diff options
Diffstat (limited to 'tools')
45 files changed, 21431 insertions, 0 deletions
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then \ + echo "ERROR: distcleancheck can only run from a VPATH build" ; \ + exit 1 ; \ + fi + @test `$(distcleancheck_listfiles) | wc -l` -eq 0 \ + || { echo "ERROR: files left in build directory after distclean:" ; \ + $(distcleancheck_listfiles) ; \ + exit 1; } >&2 +check-am: all-am +check: check-recursive +all-am: Makefile config.h +installdirs: installdirs-recursive +installdirs-am: +install: install-recursive +install-exec: install-exec-recursive +install-data: install-data-recursive +uninstall: uninstall-recursive + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-recursive +install-strip: + if test -z '$(STRIP)'; then \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + install; \ + else \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-recursive + +clean-am: clean-generic mostlyclean-am + +distclean: distclean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) + -rm -f Makefile +distclean-am: clean-am distclean-generic distclean-hdr distclean-tags + +dvi: dvi-recursive + +dvi-am: + +html: html-recursive + +html-am: + +info: info-recursive + +info-am: + +install-data-am: + +install-dvi: install-dvi-recursive + +install-dvi-am: + +install-exec-am: + +install-html: install-html-recursive + +install-html-am: + +install-info: install-info-recursive + +install-info-am: + +install-man: + +install-pdf: install-pdf-recursive + +install-pdf-am: + +install-ps: install-ps-recursive + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) + -rm -rf $(top_srcdir)/autom4te.cache + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-recursive + +mostlyclean-am: mostlyclean-generic + +pdf: pdf-recursive + +pdf-am: + +ps: ps-recursive + +ps-am: + +uninstall-am: + +.MAKE: $(am__recursive_targets) all install-am install-strip + +.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \ + am--refresh check check-am clean clean-cscope clean-generic \ + cscope cscopelist-am ctags ctags-am dist dist-all dist-bzip2 \ + dist-gzip dist-lzip dist-shar dist-tarZ dist-xz dist-zip \ + distcheck distclean distclean-generic distclean-hdr \ + distclean-tags distcleancheck distdir distuninstallcheck dvi \ + dvi-am html html-am info info-am install install-am \ + install-data install-data-am install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs installdirs-am \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/tools/config.h.in b/tools/config.h.in new file mode 100644 index 0000000..d0aef6d --- /dev/null +++ b/tools/config.h.in @@ -0,0 +1,128 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the <fcntl.h> header file. */ +#undef HAVE_FCNTL_H + +/* Define to 1 if you have the `fork' function. */ +#undef HAVE_FORK + +/* Define to 1 if you have the `ftruncate' function. */ +#undef HAVE_FTRUNCATE + +/* Define to 1 if you have the `gethostbyname' function. */ +#undef HAVE_GETHOSTBYNAME + +/* Define to 1 if you have the <inttypes.h> header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if your system has a GNU libc compatible `malloc' function, and + to 0 otherwise. */ +#undef HAVE_MALLOC + +/* Define to 1 if you have the <memory.h> header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `memset' function. */ +#undef HAVE_MEMSET + +/* Define to 1 if you have the <netdb.h> header file. */ +#undef HAVE_NETDB_H + +/* Define to 1 if you have the `regcomp' function. */ +#undef HAVE_REGCOMP + +/* Define to 1 if you have the `select' function. */ +#undef HAVE_SELECT + +/* Define to 1 if you have the `socket' function. */ +#undef HAVE_SOCKET + +/* Define to 1 if you have the <stdint.h> header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the <stdlib.h> header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `strchr' function. */ +#undef HAVE_STRCHR + +/* Define to 1 if you have the `strerror' function. */ +#undef HAVE_STRERROR + +/* Define to 1 if you have the <strings.h> header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the <string.h> header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the `strrchr' function. */ +#undef HAVE_STRRCHR + +/* Define to 1 if you have the `strstr' function. */ +#undef HAVE_STRSTR + +/* Define to 1 if you have the <sys/socket.h> header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the <sys/stat.h> header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the <sys/types.h> header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the <unistd.h> header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `vfork' function. */ +#undef HAVE_VFORK + +/* Define to 1 if you have the <vfork.h> header file. */ +#undef HAVE_VFORK_H + +/* Define to 1 if `fork' works. */ +#undef HAVE_WORKING_FORK + +/* Define to 1 if `vfork' works. */ +#undef HAVE_WORKING_VFORK + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION + +/* Define to `int' if <sys/types.h> doesn't define. */ +#undef gid_t + +/* Define to rpl_malloc if the replacement function should be used. */ +#undef malloc + +/* Define to `int' if <sys/types.h> does not define. */ +#undef pid_t + +/* Define to `int' if <sys/types.h> doesn't define. */ +#undef uid_t + +/* Define as `fork' if `vfork' does not work. */ +#undef vfork diff --git a/tools/configure b/tools/configure new file mode 100755 index 0000000..1dd7bb3 --- /dev/null +++ b/tools/configure @@ -0,0 +1,6185 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for mod_qos 9.0. +# +# Report bugs to <pbuchbinder@users.sourceforge.net>. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and +$0: pbuchbinder@users.sourceforge.net about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. 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But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... 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It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +$as_echo_n "checking whether build environment is sane... " >&6; } +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken + alias in your environment" "$LINENO" 5 + fi + if test "$2" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi + +rm -f conftest.file + +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... 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Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +$as_echo "$MKDIR_P" >&6; } + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AWK+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AWK" && break +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... 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"source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='mod_qos' + VERSION='9.0' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# For better backward compatibility. To be removed once Automake 1.9.x +# dies out for good. For more background, see: +# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html> +# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html> +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542> + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: <http://www.gnu.org/software/coreutils/>. + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + +ac_config_headers="$ac_config_headers config.h" + + +# Checks for programs. +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +$as_echo "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +$as_echo_n "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdio.h> +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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" >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <float.h> + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <string.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdlib.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ctype.h> +#include <stdlib.h> +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in fcntl.h netdb.h stdlib.h string.h strings.h sys/socket.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +# Checks for typedefs, structures, and compiler characteristics. +ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default" +if test "x$ac_cv_type_pid_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define pid_t int +_ACEOF + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5 +$as_echo_n "checking for uid_t in sys/types.h... " >&6; } +if ${ac_cv_type_uid_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "uid_t" >/dev/null 2>&1; then : + ac_cv_type_uid_t=yes +else + ac_cv_type_uid_t=no +fi +rm -f conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_uid_t" >&5 +$as_echo "$ac_cv_type_uid_t" >&6; } +if test $ac_cv_type_uid_t = no; then + +$as_echo "#define uid_t int" >>confdefs.h + + +$as_echo "#define gid_t int" >>confdefs.h + +fi + + +# Checks for library functions. +for ac_header in vfork.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default" +if test "x$ac_cv_header_vfork_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_VFORK_H 1 +_ACEOF + +fi + +done + +for ac_func in fork vfork +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +if test "x$ac_cv_func_fork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5 +$as_echo_n "checking for working fork... " >&6; } +if ${ac_cv_func_fork_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_fork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* By Ruediger Kuhlmann. */ + return fork () < 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_fork_works=yes +else + ac_cv_func_fork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5 +$as_echo "$ac_cv_func_fork_works" >&6; } + +else + ac_cv_func_fork_works=$ac_cv_func_fork +fi +if test "x$ac_cv_func_fork_works" = xcross; then + case $host in + *-*-amigaos* | *-*-msdosdjgpp*) + # Override, as these systems have only a dummy fork() stub + ac_cv_func_fork_works=no + ;; + *) + ac_cv_func_fork_works=yes + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} +fi +ac_cv_func_vfork_works=$ac_cv_func_vfork +if test "x$ac_cv_func_vfork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5 +$as_echo_n "checking for working vfork... " >&6; } +if ${ac_cv_func_vfork_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_vfork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Thanks to Paul Eggert for this test. */ +$ac_includes_default +#include <sys/wait.h> +#ifdef HAVE_VFORK_H +# include <vfork.h> +#endif +/* On some sparc systems, changes by the child to local and incoming + argument registers are propagated back to the parent. The compiler + is told about this with #include <vfork.h>, but some compilers + (e.g. gcc -O) don't grok <vfork.h>. Test for this by using a + static variable whose address is put into a register that is + clobbered by the vfork. */ +static void +#ifdef __cplusplus +sparc_address_test (int arg) +# else +sparc_address_test (arg) int arg; +#endif +{ + static pid_t child; + if (!child) { + child = vfork (); + if (child < 0) { + perror ("vfork"); + _exit(2); + } + if (!child) { + arg = getpid(); + write(-1, "", 0); + _exit (arg); + } + } +} + +int +main () +{ + pid_t parent = getpid (); + pid_t child; + + sparc_address_test (0); + + child = vfork (); + + if (child == 0) { + /* Here is another test for sparc vfork register problems. This + test uses lots of local variables, at least as many local + variables as main has allocated so far including compiler + temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris + 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should + reuse the register of parent for one of the local variables, + since it will think that parent can't possibly be used any more + in this routine. Assigning to the local variable will thus + munge parent in the parent process. */ + pid_t + p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), + p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); + /* Convince the compiler that p..p7 are live; otherwise, it might + use the same hardware register for all 8 local variables. */ + if (p != p1 || p != p2 || p != p3 || p != p4 + || p != p5 || p != p6 || p != p7) + _exit(1); + + /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent + from child file descriptors. If the child closes a descriptor + before it execs or exits, this munges the parent's descriptor + as well. Test for this by closing stdout in the child. */ + _exit(close(fileno(stdout)) != 0); + } else { + int status; + struct stat st; + + while (wait(&status) != child) + ; + return ( + /* Was there some problem with vforking? */ + child < 0 + + /* Did the child fail? (This shouldn't happen.) */ + || status + + /* Did the vfork/compiler bug occur? */ + || parent != getpid() + + /* Did the file descriptor bug occur? */ + || fstat(fileno(stdout), &st) != 0 + ); + } +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_vfork_works=yes +else + ac_cv_func_vfork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5 +$as_echo "$ac_cv_func_vfork_works" >&6; } + +fi; +if test "x$ac_cv_func_fork_works" = xcross; then + ac_cv_func_vfork_works=$ac_cv_func_vfork + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} +fi + +if test "x$ac_cv_func_vfork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h + +else + +$as_echo "#define vfork fork" >>confdefs.h + +fi +if test "x$ac_cv_func_fork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h + +fi + +for ac_header in stdlib.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default" +if test "x$ac_cv_header_stdlib_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_STDLIB_H 1 +_ACEOF + +fi + +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible malloc" >&5 +$as_echo_n "checking for GNU libc compatible malloc... " >&6; } +if ${ac_cv_func_malloc_0_nonnull+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_malloc_0_nonnull=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#if defined STDC_HEADERS || defined HAVE_STDLIB_H +# include <stdlib.h> +#else +char *malloc (); +#endif + +int +main () +{ +return ! malloc (0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_malloc_0_nonnull=yes +else + ac_cv_func_malloc_0_nonnull=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_malloc_0_nonnull" >&5 +$as_echo "$ac_cv_func_malloc_0_nonnull" >&6; } +if test $ac_cv_func_malloc_0_nonnull = yes; then : + +$as_echo "#define HAVE_MALLOC 1" >>confdefs.h + +else + $as_echo "#define HAVE_MALLOC 0" >>confdefs.h + + case " $LIBOBJS " in + *" malloc.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS malloc.$ac_objext" + ;; +esac + + +$as_echo "#define malloc rpl_malloc" >>confdefs.h + +fi + + +for ac_func in ftruncate gethostbyname memset regcomp select socket strchr strerror strrchr strstr +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + +# START customize settings +# Check whether --enable-use-static was given. +if test "${enable_use_static+set}" = set; then : + enableval=$enable_use_static; +fi + +# Check whether --enable-full-static was given. +if test "${enable_full_static+set}" = set; then : + enableval=$enable_full_static; +fi + +# Check whether --enable-ssl was given. +if test "${enable_ssl+set}" = set; then : + enableval=$enable_ssl; +fi + + + +# Check whether --with-apr was given. +if test "${with_apr+set}" = set; then : + withval=$with_apr; if test ! -x $withval/apr-1-config; then as_fn_error $? "$withval/apr-1-config do not exist or is not executable" "$LINENO" 5; else APR_CONFIG="$withval/apr-1-config"; fi +else + APR_CONFIG="apr-1-config" +fi + + +# Check whether --with-apr-util was given. +if test "${with_apr_util+set}" = set; then : + withval=$with_apr_util; if test ! -x $withval/apu-1-config; then as_fn_error $? "$withval/apu-1-config do not exist or is not executable" "$LINENO" 5; else APU_CONFIG="$withval/apu-1-config"; fi +else + APU_CONFIG="apu-1-config" +fi + + +# Check whether --with-pcre2 was given. +if test "${with_pcre2+set}" = set; then : + withval=$with_pcre2; if test ! -x $withval/pcre2-config; then as_fn_error $? "$withval/pcre2-config do not exist or is not executable" "$LINENO" 5; else PCRE2_CONFIG="$withval/pcre2-config"; fi +else + PCRE2_CONFIG="pcre2-config" +fi + + +# Check whether --with-png was given. +if test "${with_png+set}" = set; then : + withval=$with_png; if test ! -x $withval/libpng-config; then as_fn_error $? "$withval/libpng-config do not exist or is not executable" "$LINENO" 5; else PNG_CONFIG="$withval/libpng-config"; fi +else + PNG_CONFIG="libpng-config" +fi + + +# Check whether --with-ssl was given. +if test "${with_ssl+set}" = set; then : + withval=$with_ssl; if test ! -d $withval; then as_fn_error $? "$withval is not a directory" "$LINENO" 5; else OPENSSL_LIB_PATH="-L${withval}"; OPENSSL_INCLUDES="-I${withval}/include"; fi +else + OPENSSL_LIB_PATH=""; OPENSSL_INCLUDES="" +fi + + +APR_VERSION=`$APR_CONFIG --version` +if test ! "$?" = "0"; then + echo "libapr is missing, use --with-apr=PATH" + exit -1 +fi +APU_VERSION=`$APU_CONFIG --version` +if test ! "$?" = "0"; then + echo "libaprutil is missing, use --with-apr-util=PATH" + exit -1 +fi +PCRE2_VERSION=`$PCRE2_CONFIG --version` +if test ! "$?" = "0"; then + echo "libpcre2 is missing, use --with-pcre2=PATH to specify the location of your pcre2 library" + exit -1 +fi +PNG_VERSION=`$PNG_CONFIG --version` +if test ! "$?" = "0"; then + echo "libpng is missing, use --with-png=PATH to specify the location of your png library" + #exit -1 +fi + +# Store settings for includes, libs and flags +INCLUDES="`$APR_CONFIG --includes` `$APU_CONFIG --includes` $OPENSSL_INCLUDES" +CFLAGS="`$APR_CONFIG --cflags` `$PCRE2_CONFIG --cflags` `$PNG_CONFIG --cflags` $CFLAGS $INCLUDES" +CPPFLAGS="`$APR_CONFIG --cppflags` $CPPFLAGS" +LIBS="$OPENSSL_LIB_PATH -lssl -lcrypto `$APR_CONFIG --link-ld` `$APU_CONFIG --link-ld` `$APR_CONFIG --libs` `$APU_CONFIG --libs` `$PCRE2_CONFIG --libs8` `$PNG_CONFIG --libs` -lz" + +# if link static +if test "$enable_full_static" = "yes"; then + LDFLAGS="-all-static" +fi + +# if link static +if test "$enable_use_static" = "yes"; then + LDFLAGS="-static" +fi +# END customize settings + +ac_config_files="$ac_config_files Makefile src/Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. 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"unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' <conf$$subs.awk | sed ' +/^[^""]/{ + N + s/\n// +} +' >>$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' <confdefs.h | sed ' +s/'"$ac_delim"'/"\\\ +"/g' >>$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$ac_tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). The absolute path cannot be DOS-style, + # because $ac_f cannot contain `:'. + test -f "$ac_f" || + case $ac_f in + [\\/$]*) false;; + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; + esac || + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;; + esac + case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" + done + + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + configure_input='Generated from '` + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +$as_echo "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`$as_echo "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac + ac_MKDIR_P=$MKDIR_P + case $MKDIR_P in + [\\/$]* | ?:[\\/]* ) ;; + */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +s&@MKDIR_P@&$ac_MKDIR_P&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? 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"write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/tools/configure.ac b/tools/configure.ac new file mode 100644 index 0000000..d98628d --- /dev/null +++ b/tools/configure.ac @@ -0,0 +1,88 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ([2.50]) +AC_INIT(mod_qos, 9.0, pbuchbinder@users.sourceforge.net) +AC_CONFIG_SRCDIR([src/qscheck.c]) +AM_INIT_AUTOMAKE +AM_CONFIG_HEADER([config.h]) + +# Checks for programs. +AC_PROG_CC + +# Checks for libraries. + +# Checks for header files. +AC_CHECK_HEADERS([fcntl.h netdb.h stdlib.h string.h strings.h sys/socket.h unistd.h]) + +# Checks for typedefs, structures, and compiler characteristics. +AC_TYPE_PID_T +AC_TYPE_UID_T + +# Checks for library functions. +AC_FUNC_FORK +AC_FUNC_MALLOC +AC_CHECK_FUNCS([ftruncate gethostbyname memset regcomp select socket strchr strerror strrchr strstr]) + +# START customize settings +AC_ARG_ENABLE([use-static], AS_HELP_STRING(--enable-use-static,Try to use archives instead of shared libraries)) +AC_ARG_ENABLE([full-static], AS_HELP_STRING(--enable-full-static,Try to compile a statical linked executable)) +AC_ARG_ENABLE([ssl], AS_HELP_STRING(--disable-ssl,Disable ssl support (not supported yet))) + +AC_ARG_WITH(apr,AS_HELP_STRING(--with-apr=PATH,path to apr-1-config script), + [if test ! -x $withval/apr-1-config; then AC_MSG_ERROR($withval/apr-1-config do not exist or is not executable); else APR_CONFIG="$withval/apr-1-config"; fi], + [APR_CONFIG="apr-1-config"]) +AC_ARG_WITH(apr-util,AS_HELP_STRING(--with-apr-util=PATH,path to apu-1-config script), + [if test ! -x $withval/apu-1-config; then AC_MSG_ERROR($withval/apu-1-config do not exist or is not executable); else APU_CONFIG="$withval/apu-1-config"; fi], + [APU_CONFIG="apu-1-config"]) +AC_ARG_WITH(pcre2,AS_HELP_STRING(--with-pcre2=PATH,path to pcre2-config script), + [if test ! -x $withval/pcre2-config; then AC_MSG_ERROR($withval/pcre2-config do not exist or is not executable); else PCRE2_CONFIG="$withval/pcre2-config"; fi], + [PCRE2_CONFIG="pcre2-config"]) +AC_ARG_WITH(png,AS_HELP_STRING(--with-png=PATH,path to libpng-config script), + [if test ! -x $withval/libpng-config; then AC_MSG_ERROR($withval/libpng-config do not exist or is not executable); else PNG_CONFIG="$withval/libpng-config"; fi], + [PNG_CONFIG="libpng-config"]) +AC_ARG_WITH(ssl,AS_HELP_STRING(--with-ssl=PATH,path to openssl source), + [if test ! -d $withval; then AC_MSG_ERROR($withval is not a directory); else OPENSSL_LIB_PATH="-L${withval}"; OPENSSL_INCLUDES="-I${withval}/include"; fi], + [OPENSSL_LIB_PATH=""; OPENSSL_INCLUDES=""]) + +APR_VERSION=`$APR_CONFIG --version` +if test ! "$?" = "0"; then + echo "libapr is missing, use --with-apr=PATH" + exit -1 +fi +APU_VERSION=`$APU_CONFIG --version` +if test ! "$?" = "0"; then + echo "libaprutil is missing, use --with-apr-util=PATH" + exit -1 +fi +PCRE2_VERSION=`$PCRE2_CONFIG --version` +if test ! "$?" = "0"; then + echo "libpcre2 is missing, use --with-pcre2=PATH to specify the location of your pcre2 library" + exit -1 +fi +PNG_VERSION=`$PNG_CONFIG --version` +if test ! "$?" = "0"; then + echo "libpng is missing, use --with-png=PATH to specify the location of your png library" + #exit -1 +fi + +# Store settings for includes, libs and flags +INCLUDES="`$APR_CONFIG --includes` `$APU_CONFIG --includes` $OPENSSL_INCLUDES" +CFLAGS="`$APR_CONFIG --cflags` `$PCRE2_CONFIG --cflags` `$PNG_CONFIG --cflags` $CFLAGS $INCLUDES" +CPPFLAGS="`$APR_CONFIG --cppflags` $CPPFLAGS" +LIBS="$OPENSSL_LIB_PATH -lssl -lcrypto `$APR_CONFIG --link-ld` `$APU_CONFIG --link-ld` `$APR_CONFIG --libs` `$APU_CONFIG --libs` `$PCRE2_CONFIG --libs8` `$PNG_CONFIG --libs` -lz" + +# if link static +if test "$enable_full_static" = "yes"; then + LDFLAGS="-all-static" +fi + +# if link static +if test "$enable_use_static" = "yes"; then + LDFLAGS="-static" +fi +# END customize settings + +AC_CONFIG_FILES([Makefile + src/Makefile]) +AC_OUTPUT diff --git a/tools/depcomp b/tools/depcomp new file mode 100755 index 0000000..fc98710 --- /dev/null +++ b/tools/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2013-05-30.07; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to <bug-automake@gnu.org>. +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/tools/install-sh b/tools/install-sh new file mode 100755 index 0000000..59990a1 --- /dev/null +++ b/tools/install-sh @@ -0,0 +1,508 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2014-09-12.12; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +tab=' ' +nl=' +' +IFS=" $tab$nl" + +# Set DOITPROG to "echo" to test this script. + +doit=${DOITPROG-} +doit_exec=${doit:-exec} + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +is_target_a_directory=possibly + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) + is_target_a_directory=always + dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) is_target_a_directory=never;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +# We allow the use of options -d and -T together, by making -d +# take the precedence; this is for compatibility with GNU install. + +if test -n "$dir_arg"; then + if test -n "$dst_arg"; then + echo "$0: target directory not allowed when installing a directory." >&2 + exit 1 + fi +fi + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + if test $# -gt 1 || test "$is_target_a_directory" = always; then + if test ! -d "$dst_arg"; then + echo "$0: $dst_arg: Is not a directory." >&2 + exit 1 + fi + fi +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test "$is_target_a_directory" = never; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + dstdir=`dirname "$dst"` + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + # $RANDOM is not portable (e.g. dash); use it when possible to + # lower collision chance + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0 + + # As "mkdir -p" follows symlinks and we work in /tmp possibly; so + # create the $tmpdir first (and fail if unsuccessful) to make sure + # that nobody tries to guess the $tmpdir name. + if (umask $mkdir_umask && + $mkdirprog $mkdir_mode "$tmpdir" && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + test_tmpdir="$tmpdir/a" + ls_ld_tmpdir=`ls -ld "$test_tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$test_tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + oIFS=$IFS + IFS=/ + set -f + set fnord $dstdir + shift + set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + set +f && + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/tools/man1/mod_qos.1 b/tools/man1/mod_qos.1 new file mode 100644 index 0000000..7095625 --- /dev/null +++ b/tools/man1/mod_qos.1 @@ -0,0 +1,198 @@ +.TH MOD_QOS 1 "May 2023" "mod_qos Apache Module" "mod_qos" +.SH NAME +mod_qos \- quality of service module for the Apache Web server +.SH DESCRIPTION +mod_qos is a quality of service module for the Apache web server implementing control mechanisms that can provide different levels of priority to different HTTP requests. +.SH OPTIONS +.TP +QS_LocRequestLimitDefault <number>, defines the default for the QS_LocRequestLimit and QS_LocRequestLimitMatch directive. +.TP +QS_LocRequestLimit <location> <number>, defines the maximum number of concurrent requests allowed to access the specified location. Default is defined by the QS_LocRequestLimitDefault directive. +.TP +QS_LocRequestPerSecLimit <location> <number>, defines the allowed number of requests per second to a location. Requests are limited by adding a delay to each requests. This directive should be used in conjunction with QS_LocRequestLimit only. +.TP +QS_LocKBytesPerSecLimit <location> <kbytes>, defines the allowed download bandwidth to the defined kbytes per second. Responses areslowed by adding a delay to each response (non\-linear, bigger files get longer delay than smaller ones). This directive should be used in conjunction with QS_LocRequestLimit only. +.TP +QS_LocRequestLimitMatch <regex> <number>, defines the number of concurrent requests to the uri (path and query) pattern. Default is defined by the QS_LocRequestLimitDefault directive. +.TP +QS_LocRequestPerSecLimitMatch <regex> <number>, defines the allowed number of requests per second to the uri (path and query) pattern. Requests are limited by adding a delay to each requests. This directive should be used in conjunction with QS_LocRequestLimitMatch only. +.TP +QS_LocKBytesPerSecLimitMatch <regex> <kbytes>, defines the allowed download bandwidth to the location matching the defined URL (path and query) pattern. Responses are slowed down by adding a delay to each response (non\-linear, bigger files get longer delay than smaller ones). This directive should be used in conjunction with QS_LocRequestLimitMatch only. +.TP +QS_CondLocRequestLimitMatch <regex> <number> <pattern>, defines the number of concurrent requests to the uri (path and query) regex. Rule is only enforced if the QS_Cond variable matches the specified pattern (regex). +.TP +QS_EventRequestLimit <variable>[=<regex>] <number>, defines the number of concurrent events. Directive works similar to QS_LocRequestLimit, but counts the requests having the same environment variable (and optionally matching its value, too) rather than those that have the same URL pattern. +.TP +QS_EventPerSecLimit [!]<variable> <number>, defines how often requests may have the defined environment variable (literal string) set. It measures the occurrences of the defined environment variable on a request per seconds level and tries to limit this occurrence to the defined number. It works similar to as QS_LocRequestPerSecLimit, but counts only the requests with the specified variable (or without it if the variable name is prefixed by a '!'). If a request matches multiple events, the rule with the lowest bandwidth is applied. Events are limited by adding a delay to each request causing an event. +.TP +QS_EventKBytesPerSecLimit [!]<variable> <kbytes>, throttles the download bandwidth of all requests having the defined variable set to the defined kbytes per second. Responses are slowed by adding a delay to each response (non\-linear, bigger files get longer delay than smaller ones). By default, no limitation is active. This directive should be used in conjunction with QS_EventRequestLimit only (you must use the same variable name for both directives). +.TP +QS_EventLimitCount <env\-variable> <number> <seconds>, defines the maximum number of events allowed within the defined time. Requests are denied when reaching this limitation for the specified time (blocked at request level). +.TP +QS_CondEventLimitCount <env\-variable> <number> <seconds> <pattern>, same as QS_EventLimitCount but blocks requests only if the QS_Cond variable matches the specified pattern (regex). +.TP +QS_SrvMaxConn <number>, defines the maximum number of concurrent TCP connections for this server (virtual host). +.TP +QS_SrvMaxConnClose <number>[%], defines the maximum number of concurrent TCP connections until the server disables keep\-alive for this server (closes the connection after each requests. You may specify the number of connections as a percentage of MaxClients if adding the suffix '%' to the specified value. +.TP +QS_SrvMaxConnPerIP <number> [<connections>], defines the maximum number of connections per source IP address for this server (virtual host). 'connections' defines the number of busy connections of the server (all virtual hosts) to enable this limitation, default is 0. +.TP +QS_SrvMaxConnExcludeIP <addr>, excludes an IP address or address range from being limited. +.TP +QS_SrvMinDataRateIgnoreVIP tells the QS_SrvMaxConnPerIP directive to ignore (if set to "on") the VIP status of clients. Default is "off", which means that QS_SrvMaxConnPerIP is disabled for VIPs. +.TP +QS_SrvSerialize 'on'|'off' [<seconds>], ensures that not more than one request having the QS_SrvSerialize variable set is processed at the same time by serializing them (process one after each other). +.TP +QS_SrvDataRateOff, disables the QS_SrvRequestRate and QS_SrvMinDataRate enforcement for a virtual host (only port/address based but not for name based virtual hosts). +.TP +QS_SrvRequestRate <bytes per seconds> [<max bytes per second>], defines the minimum upload throughput a client must generate. See also QS_SrvMinDataRate. +.TP +QS_SrvMinDataRate <bytes per seconds> [<max bytes per second> [<connections>]], defines the minimum upload/download throughput a client must generate (the bytes send/received by the client per seconds). This bandwidth is measured while transmitting the data (request line, header fields, request body, or response data). The client connection get closed if the client does not fulfill the required data rate and the IP address of the causing client get marked in order to be handled with low priority (see the QS_ClientPrefer directive). The "max bytes per second" activates dynamic minimum throughput control: The required minimal throughput is increased in parallel to the number of concurrent clients sending/receiving data. The "max bytes per second" setting is reached when the number of sending/receiving clients is equal to the MaxClients setting. The "connections" argument is used to specify the number of busy TCP connections a server must have to enable this feature (0 by default). No limitation is set by default. +.TP +QS_SrvMinDataRateOffEvent '+'|'\-'<env\-variable>, disables the minimal data rate enfocement (QS_SrvMinDataRate) for a certain connection if the defined environment variable has been set. The '+' prefix is used to add a variable to the configuration while the '\-' prefix is used to remove a variable. +.TP +QS_SrvMinDataRateIgnoreVIP tells the QS_SrvMinDataRate directive to ignore (if set to "on") the VIP status of clients. Default is "off", which means that QS_SrvMinDataRate is disabled for VIPs. +.TP +QS_SrvSampleRate <seconds>, defines the sampling rate used by the QS_SrvMinDataRate directive to measure the throughput of a connection. +.TP +QS_DenyRequestLine '+'|'\-'<id> 'log'|'deny' <regular expression>, generic request line (method, path, query and protocol) filter used to deny access for requests matching the defined regular expression. '+' adds a new rule while '\-' removes a rule for a location. The action is either 'log' (access is granted but rule match is logged) or 'deny' (access is denied). +.TP +QS_DenyPath, same as QS_DenyRequestLine but applied to the path only. +.TP +QS_DenyQuery, same as QS_DenyRequestLine but applied to the query only. +.TP +QS_DenyEvent '+'|'\-'<id> 'log'|'deny' [!]<variable>, matches requests having the defined process environment variable set (or NOT set if prefixed by a '!'). The action taken for matching rules is either 'log' (access is granted but the rule match is logged) or 'deny' (access is denied). +.TP +QS_PermitUri, '+'|'\-'<id> 'log'|'deny' <regular expression>, generic request filter applied to the request uri (path and query). Only requests matching at least one QS_PermitUri pattern are allowed. If a QS_PermitUri pattern has been defined an the request does not match any rule, the request is denied albeit of any server resource availability (allow list). All rules must define the same action. Regular expression is case sensitive. +.TP +QS_DenyBody 'on'|'off', enabled body data filter (obsolete). +.TP +QS_DenyQueryBody 'on'|'off', enabled body data filter for QS_DenyQuery. +.TP +QS_PermitUriBody 'on'|'off', enabled body data filter for QS_PermitUriBody. +.TP +QS_InvalidUrlEncoding 'log'|'deny'|'off', enforces correct URL decoding in conjunction with the QS_DenyRequestLine, QS_DenyPath, and QS_DenyQuery directives. Default is "off". +.TP +QS_LimitRequestBody <bytes>, limits the allowed size of an HTTP request message body. +.TP +QS_DenyDecoding 'uni', enabled additional string decoding functions which are applied before matching QS_Deny* and QS_Permit* directives. Default is URL decoding (%xx, \xHH, '+'). +.TP +QS_DenyInheritanceOff, disable inheritance of QS_Deny* and QS_Permit* directives to a location. +.TP +QS_RequestHeaderFilter 'on'|'off'|'size', filters request headers by allowing only these headers which match the request header rules defined by mod_qos. Request headers which do not conform these definitions are either dropped or the whole request is denied. Custom request headers may be added by the QS_RequestHeaderFilterRule directive. Using the 'size' option, the header field max. size is verified only (similar to LimitRequestFieldsize but using individual values for each header type) while the pattern is ignored. +.TP +QS_ResponseHeaderFilter 'on'|'off', filters response headers by allowing only these headers which match the response header rules defined by mod_qos. Response headers which do not conform these definitions are dropped. +.TP +QS_RequestHeaderFilterRule <header name> 'drop'|'deny' <regular expression> <size>, used to add custom request header filter rules which override the internal filter rules of mod_qos. Directive is allowed in global server context only. +.TP +QS_ResponseHeaderFilterRule <header name> <regular expression> <size>, used to add custom response header filter rules which override the internal filter rules of mod_qos. Directive is allowed in global server context only. +.TP +QS_MileStone 'log'|'deny' <pattern> [<thinktime>], defines request line patterns a client must access in the defined order as they are defined in the configuration file. +.TP +QS_MileStoneTimeout <seconds>, defines the time in seconds within a client must reach the next milestone. Default are 3600 seconds. +.TP +QS_SessionCookieName <name>, defines a custom session cookie name, default is MODQOS. +.TP +QS_SessionCookiePath <path>, defines the cookie path, default is "/". +.TP +QS_SessionTimeout <seconds>, defines the session life time for a VIP. It is only used for session based (cookie) VIP identification (not for IP based). Default is 3600 seconds. +.TP +QS_SessionKey <string>, secret key used for cookie encryption. Used when using the same session cookie for multiple web servers (load balancing) or sessions should survive a server restart. By default, a random key is used which changes every server restart. +.TP +QS_VipHeaderName <name>[=<regex>] [drop], defines an HTTP response header which marks a user as a VIP. mod_qos creates a session for this user by setting a cookie, e.g., after successful user authentication. Tests optionally its value against the provided regular expression. Specify the action 'drop' if you want mod_qos to remove this control header from the HTTP response. +.TP +QS_VipIPHeaderName <name>[=<regex>] [drop], defines an HTTP response header which marks a client source IP address as a VIP. Tests optionally its value against the provided regular expression. Specify the action 'drop' if you want mod_qos to remove this control header from the HTTP response. +.TP +QS_VipUser, creates a VIP session for users which have been authenticated by the Apache server, e.g., by the standard mod_auth* modules. It works similar to the QS_VipHeaderName directive. +.TP +QS_VipIpUser, marks a source IP address as a VIP if the user has been authenticated by the Apache server, e.g. by the standard mod_auth* modules. It works similar to the QS_VipIPHeaderName directive. +.TP +QS_UserTrackingCookieName <name> [<path>] [<domain>] ['session'] ['jsredirect'], enables the user tracking cookie by defining a cookie name. The "path" parameter is an option cookie check page which is used to ensure the client accepts cookies. The "domain" option defines the Domain attriibute for the Set\-Cookie header. The option "session" indicates that the cookie shall be a session cookie expiring when the user closes it's browser. User tracking requires mod_unique_id. This feature is disabled by default. Ignores QS_LogOnly. +.TP +QS_SetEnvIf [!]<variable1>[=<regex>] [[!]<variable2>] [!]<variable=value>, sets (or unsets) the 'variable=value' (literal string) if variable1 (literal string) AND variable2 (literal string) are set in the request environment variable list (not case sensitive). This is used to combine multiple variables to a new event type. Alternatively, a regular expression can be specified for variable1's value and variable2 must be omitted in order to simply set a new variable if the regular expression matches. +.TP +QS_SetEnvIfCmpP <env\-variable1> eq|ne|gt|lt <env\-variable2> [!]<env\-variable>[=<value>], sets the specified environment variable if the specified env\-variables are alphabetically or numerical equal (eq), not equal (ne), greater (gt), less (lt). +.TP +QS_SetEnvIfQuery <regex> [!]<variable>[=value], directive works quite similar to the SetEnvIf directive of the Apache module mod_setenvif, but the specified regex is applied against the query string portion of the request line. The directive recognizes the occurrences of $1..$9 within value and replaces them by the sub\-expressions of the defined regex pattern. +.TP +QS_SetEnvIfParp <regex> [!]<variable>[=value], directive parsing the request payload using the Apache module mod_parp. It matches the request URL query and the HTTP request message body data as well ('application/x\-www\-form\-urlencoded', 'multipart/form\-data', and 'multipart/mixed') and sets the defined process variable (quite similar to the QS_SetEnvIfQuery directive). The directive recognizes the occurrences of $1..$9 within value and replaces them by the sub\-expressions of the defined regex pattern. This directive activates mod_parp for every request to the virtual host. You may deactivate mod_parp for selected requests using the SetEnvIf directive: unset the variable 'parp' to do so. Important: request message body processing requires that the server loads the whole request into its memory (at least twice the length of the message). You should limit the allowed size of the HTTP request message body using the QS_LimitRequestBody directive when using QS_SetEnvIfParp! +.TP +QS_SetEnvIfBody <regex> [!]<variable>[=value], parses the request body using the Apache module mod_parp. Specify the content types to process using the mod_parp directive PARP_BodyData and ensure that mod_parp is enabled using the SetEnvIf directive of the Apache module mod_setenvif. You should limit the allowed size of HTTP requests message body using the QS_LimitRequestBody directive when using mod_parp. The directive recognizes the occurrence of $1 within the variable value and replaces it by the sub\-expressions of the defined regex pattern. +.TP +QS_SetEnvStatus (deprecated, use QS_SetEnvIfStatus) +.TP +QS_SetEnvIfStatus <status code> <variable>, adds the defined request environment variable if the HTTP status code matches the defined value. The value 'QS_SrvMinDataRate' may be used as a special status code to set a QS_Block event in order to handle connection close events caused by QS_SrvMinDataRate rules while the status 'NullConnection' may be used to mark connections which are closed before any HTTP request has ever been received. The 'QS_SrvMaxConnPerIP' value may be used to count QS_Block events for connections closed by the QS_SrvMaxConnPerIP directive. The 'BrokenConnection' value may be used to mark clients not reading the full HTTP response. +.TP +QS_SetEnvResBody (deprecated, use QS_SetEnvIfResBody) +.TP +QS_SetEnvIfResBody <string> [!]<variable>, adds the defined request environment variable (e.g. QS_Block) if the HTTP response body contains the defined literal string. Supports only one pattern per location. +.TP +QS_SetEnv <variable> <value>, sets the defined variable with the value where the value string may contain other environment variables surrounded by "${" and "}". The variable is only set if all defined variables within the value can be resolved. +.TP +QS_SetReqHeader [!]<header name> <variable> ['late'], sets the defined HTTP request header to the request if the specified environment variable is set. +.TP +QS_UnsetReqHeader <header name>, Removes the specified header from the request. +.TP +QS_UnsetResHeader <header name>, Removes the specified header from the response. +.TP +QS_SetEnvResHeader <header name> [drop], sets the defined HTTP response header (name and value) to the request environment variables Deletes the header if the action 'drop' has been specified. +.TP +QS_SetEnvResHeaderMatch <header name> <regex>, sets the defined HTTP response header (name and value) to the request environment variables if the specified regular expression matches the header value. +.TP +QS_SetEnvRes <variable> <regex> <variable2>[=<value>], sets the environment variable2 if the regular expression matches against the value of the environment variable. Occurrences of $1..$9 within the value and replace them by parenthesized subexpressions of the regular expression. +.TP +QS_RedirectIf <variable> <regex> [<code>:]<url>, redirects the client to the configured url if the regular expression matches the value of the the environment variable. +.TP +QS_ClientEntries <number>, defines the number of individual clients managed by mod_qos. Default is 50000. Directive is allowed in global server context only. +.TP +QS_ClientPrefer [<percent>], prefers known VIP clients when server has less than 80% (or the configured value) of free TCP connections. Preferred clients are VIP clients (or those without any negative penalties), see QS_VipHeaderName directive. Directive is allowed in global server context only. +.TP +QS_ClientTolerance <percent>, defines the allowed tolerance (variation) from a "normal" client (average) in percent. Default is 20%. Directive is allowed in global server context only. +.TP +QS_ClientContentTypes <html> <css/js> <images> <other> <304>, defines the distribution of HTTP response content types a client normally receives when accessing the server. mod_qos normally learns the average behavior automatically by default but you may specify a static configuration in order to avoid influences by a high number of abnormal clients. +.TP +QS_ClientEventBlockCount <number> [<seconds>], defines the maximum number of QS_Block allowed within the defined time (default are 10 minutes). Directive is allowed in global server context only. +.TP +QS_ClientEventBlockExcludeIP <addr>, excludes an IP address or address range from being limited by QS_ClientEventBlockCount. +.TP +QS_ClientEventLimitCount <number> [<seconds> [<variable>]], defines the maximum number of the specified environment variable (QS_Limit by default) allowed within the defined time (default are 10 minutes). Directive is allowed in global server context only. +.TP +QS_CondClientEventLimitCount <number> <seconds> <variable> <pattern>, defines the maximum number of the specified environment variable allowed within the defined time. Directive works similar as QS_ClientEventLimitCount but requests are only blocked if the QS_Cond variable matches the defined pattern (regex). Directive is allowed in global server context only. +.TP +QS_ClientEventPerSecLimit <number>, defines the number events pro seconds on a per client (source IP) basis. Events are identified by requests having the QS_Event variable set. Directive is allowed in global server context only. +.TP +QS_ClientEventRequestLimit <number>, defines the allowed number of concurrent requests coming from the same client source IP address having the QS_EventRequest variable set. Directive is allowed in global server context only. +.TP +QS_ClientSerialize, serializes requests having the QS_Serialize variable set if they are coming from the same IP address. +.TP +QS_ClientIpFromHeader <header>, defines a HTTP request header to read the client's source IP address from (instead of taking the IP address of the client opening the TCP connection). This may be used for the QS_ClientEventLimitCount directive and QS_Country variable. +.TP +QS_ClientGeoCountryDB <path>, path to the geograpical database file. +.TP +QS_ClientGeoCountryPriv <list> <connections> ['excludeUnknown'], defines a comma separated list of country codes for origin client IP address which are allowed to access the server if the number of busy TCP connections reaches the defined number of connections while others are denied access. Clients whose IP can't be mapped to a country code can be excluded from the limitation by configuring the 'excludeUnknown' argument. +.TP +QS_ErrorPage <url>, defines a custom error page. +.TP +QS_ErrorResponseCode <code>, defines the HTTP response code which is used when a request is denied, default is 500. +.TP +QS_ForcedClose 'on'|'off', defines if mod_qos connection handler shall exit with an error code (on) or not. Default is on (except for Apache 2.4.49). +.TP +QS_LogOnly 'on'|'off', enables the log only mode of the module where no limitations are enforced. Default is off. Directive is allowed in global server context only. +.TP +QS_LogEnv 'on'|'off', enables logging of environment variables. +.TP +QS_SupportIPv6 'on'|'off', enables IPv6 address support. Default is on. +.TP +QS_SemMemFile <path>, optional path to a directory or file which shall be used for file based semaphores/shared memory usage, e.g. /var/tmp. +.TP +QS_MaxClients <number>, optional override for mod_qos's MaxClients/MaxRequestWorkers calculation which defines the maximum number of TCP connections the server can handle. +.TP +QS_DisableHandler 'on'|'off', disables the qos\-viewer and qos\-console for a virtual host +.TP +QS_Status 'on'|'off', writes a log message containing server statistics once every minute. Default is off. +.TP +QS_EventCount 'on'|'off', enables error event counting (counters are shown in the machine\-readable version of the status viewer). Default is off. +.TP +QSLog <arg>, used to configure a global (per Apache instance) 'qslog' logger. +.SH AUTHOR +Pascal Buchbinder, http://mod\-qos.sourceforge.net/ diff --git a/tools/man1/qsdt.1 b/tools/man1/qsdt.1 new file mode 100644 index 0000000..ed58005 --- /dev/null +++ b/tools/man1/qsdt.1 @@ -0,0 +1,46 @@ +.TH QSDT 1 "May 2023" "mod_qos utilities 11.74" "qsdt man page" + +.SH NAME +qsdt calculates the elapsed time between two related log messages. +.SH SYNOPSIS +qsdt [\-t <regex>] \-i <regex> \-s <regex> \-e <regex> [\-v] [<path>] +.SH DESCRIPTION +qsdt is a simple tool to search two different messages in a log file and calculates the elapsed time between these lines. The two log messages need a common identifier such an unique request id (UNIQUE_ID), a thread id, or a transaction code. +.SH OPTIONS +.TP +\-t <regex> +Defines a pattern (regular expression) matching the log line's timestamp. The pattern must include two sub\-expressions, one matching hours, minutes and seconds the other matching the milliseconds. Default pattern is ([0\-9]{2}:[0\-9]{2}:[0\-9]{2})[.,]([0\-9]{3}) +.TP +\-i <regex> +Pattern (regular expression) matching the identifier which the two messages have in common. The sub\-expression defines the part which needs to be extracted from the matching string. Note: You can also use the start (\-s) and end (\-e) pattern to define the sub\-expression matching this identifier. +.TP +\-s <regex> +Defines the pattern (regular expression or literal string) identifying the first (start) of the two messages. +.TP +\-e <regex> +Defines the pattern (regular expression or literal string) identifying the second (end) of the two messages. +.TP +\-v +Verbose mode. +.TP +<path> +Defines the input file to process. qsdt reads from from standard input if this parameter is omitted. +.SH EXAMPLE +Sample command line arguments: + + \-i ' ([a\-z0\-9]+) [A\-Z]+ ' \-s 'Received Request' \-e 'Received Response' + + matching those sample log messages: + 2018\-03\-12 16:34:08.653 threadid23 INFO Received Request + 2018\-03\-13 16:35:09.891 threadid23 DEBUG MessageHandler Received Response + +.SH NOTE +The four patterns (t,i,s,e) are concatenated into two search patterns: + first (start): [t (HH:MM:SS)(SSS) ].*[i (id) ].*[s ] + second (end): [t (HH:MM:SS)(SSS) ].*[i (id) ].*[e ] + +And the three sub\-expression are used to extract the timestamp and the unique identifier that the start and end message have in common. This means that you could specify the sub\-expression for the unique identifier in the start (\-s) or end (\-e) pattern alternatively, e.g. in case the identifier is at the end of the log line. +.SH SEE ALSO +qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsexec.1 b/tools/man1/qsexec.1 new file mode 100644 index 0000000..0ae6030 --- /dev/null +++ b/tools/man1/qsexec.1 @@ -0,0 +1,36 @@ +.TH QSEXEC 1 "May 2023" "mod_qos utilities 11.74" "qsexec man page + +.SH NAME +qsexec \- parses the data received via stdin and executes the defined command on a pattern match. + +.SH SYNOPSIS +qsexec \-e <pattern> [\-t <number>:<sec>] [\-c <pattern> [<command string>]] [\-p] [\-u <user>] <command string> +.SH DESCRIPTION +qsexec reads log lines from stdin and searches for the defined pattern. It executes the defined command string on pattern match. +.SH OPTIONS +.TP +\-e <pattern> +Specifies the search pattern causing an event which shall trigger the command. +.TP +\-t <number>:<sec> +Defines the number of pattern match within the the defined number of seconds in order to trigger the command execution. By default, every pattern match causes a command execution. +.TP +\-c <pattern> [<command string>] +Pattern which clears the event counter. Executes optionally a command if an event command has been executed before. +.TP +\-p +Writes data also to stdout (for piped logging). +.TP +\-u <name> +Become another user, e.g. www\-data. +.TP +<command string> +Defines the event command string where $0\-$9 are substituted by the submatches of the regular expression. +.SH EXAMPLE +Executes the deny.sh script providing the IP address of the client causing a mod_qos(031) messages whenever the log message appears 10 times within at most one minute: + ErrorLog "|/usr/bin/qsexec \-e \\'mod_qos\\(031\\).*, c=([0\-9a\-zA\-Z:.]*)\\' \-t 10:60 \\'/usr/local/bin/deny.sh $1\\'" + +.SH SEE ALSO +qsdt(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsfilter2.1 b/tools/man1/qsfilter2.1 new file mode 100644 index 0000000..8ec845b --- /dev/null +++ b/tools/man1/qsfilter2.1 @@ -0,0 +1,99 @@ +.TH QSFILTER2 1 "May 2023" "mod_qos utilities 11.74" "qsfilter2 man page" + +.SH NAME +qsfilter2 \- an utility to generate mod_qos request line rules out from existing access/audit log data. +.SH SYNOPSIS +qsfilter2 \-i <path> [\-c <path>] [\-d <num>] [\-h] [\-b <num>] [\-p|\-s|\-m|\-o] [\-l <len>] [\-n] [\-e] [\-u 'uni'] [\-k <prefix>] [\-t] [\-f <path>] [\-v 0|1|2] +.SH DESCRIPTION +mod_qos implements a request filter which validates each request line. The module supports both, negative and positive security model. The QS_Deny* directives are used to specify request line patterns which are not allowed to access the server (negative security model / deny list). These rules are used to restrict access to certain resources which should not be available to users or to protect the server from malicious patterns. The QS_Permit* rules implement a positive security model (allow list). These directives are used to define allowed request line patterns. Request which do not match any of these patterns are not allowed to access the server. + +qsfilter2 is an audit log analyzer used to generate filter rules (perl compatible regular expressions) which may be used by mod_qos to deny access for suspect requests (QS_PermitUri rules). It parses existing audit log files in order to generate request patterns covering all allowed requests. +.SH OPTIONS +.TP +\-i <path> +Input file containing request URIs. The URIs for this file have to be extracted from the servers access logs. Each line of the input file contains a request URI consisting of a path and and query. + Example: + /aaa/index.do + /aaa/edit?image=1.jpg + /aaa/image/1.jpg + /aaa/view?page=1 + /aaa/edit?document=1 + +These access log data must include current request URIs but also request lines from previous rule generation steps. It must also include request lines which cover manually generated rules. You may use the 'qos\-path' and 'qos\-query' variables to create an audit log containing all request data (path and query/body data). Example: 'CustomLog audit_log %{qos\-path}n%{qos\-query}n'. See also http://mod\-qos.sourceforge.net#qsfiltersample about the module settings. +.TP +\-c <path> +mod_qos configuration file defining QS_DenyRequestLine and QS_PermitUri directives. qsfilter2 generates rules from access log data automatically. Manually generated rules (QS_PermitUri) may be provided from this file. Note: each manual rule must be represented by a request URI in the input data (\-i) in order to make sure not to be deleted by the rule optimisation algorithm. QS_Deny* rules from this file are used to filter request lines which should not be used for allow list rule generation. + Example: + # manually defined allow list rule: + QS_PermitUri +view deny "^[/a\-zA\-Z0\-9]+/view\\?(page=[0\-9]+)?$" + # filter unwanted request line patterns: + QS_DenyRequestLine +printable deny ".*[\\x00\-\\x19].*" + + +.TP +\-d <num> +Depth (sub locations) of the path string which is defined as a literal string. Default is 1. +.TP +\-h +Always use a string representing the handler name in the path even the url does not have a query. See also \-d option. +.TP +\-b <num> +Replaces url pattern by the regular expression when detecting a base64/hex encoded string. Detecting sensibility is defined by a numeric value. You should use values higher than 5 (default) or 0 to disable this function. +.TP +\-p +Represents query by pcre only (no literal strings). +.TP +\-s +Uses one single pcre for the whole query string. +.TP +\-m +Uses one pcre for multiple query values (recommended mode). +.TP +\-o +Does not care the order of query parameters. +.TP +\-l <len> +Outsizes the query length by the defined length ({0,size+len}), default is 10. +.TP +\-n +Disables redundant rules elimination. +.TP +\-e +Exit on error. +.TP +\-u 'uni' +Enables additional decoding methods. Use the same settings as you have used for the QS_Decoding directive. +.TP +\-k <prefix> +Prefix used to generate rule identifiers (QSF by default). +.TP +\-t +Calculates the maximal latency per request (worst case) using the generated rules. +.TP +\-f <path> +Filters the input by the provided path (prefix) only processing matching lines. +.TP +\-v <level> +Verbose mode. (0=silent, 1=rule source, 2=detailed). Default is 1. Don't use rules you haven't checked the request data used to generate it! Level 1 is highly recommended (as long as you don't have created the log data using your own web crawler). +.SH OUTPUT +The output of qsfilter2 is written to stdout. The output contains the generated QS_PermitUri directives but also information about the source which has been used to generate these rules. It is very important to check the validity of each request line which has been used to calculate the QS_PermitUri rules. Each request line which has been used to generate a new rule is shown in the output prefixed by "ADD line <line number>:". These request lines should be stored and reused at any later rule generation (add them to the URI input file). The subsequent line shows the generated rule. At the end of data processing a list of all generated QS_PermitUri rules is shown. These directives may be used withn the configuration file used by mod_qos. +.SH EXAMPLE + qsfilter2 \-i loc.txt \-c httpd.conf \-m \-e + ... + # ADD line 1: /aaa/index.do + # 003 ^(/[a\-zA\-Z0\-9\\\-_]+)+[/]?\\.?[a\-zA\-Z]{0,4}$ + # ADD line 3: /aaa/view?page=1 + # \-\-\- ^[/a\-zA\-Z0\-9]+/view\\?(page=[0\-9]+)?$ + # ADD line 4: /aaa/edit?document=1 + # 004 ^[/a\-zA\-Z]+/edit\\?((document)(=[0\-9]*)*[&]?)*$ + # ADD line 5: /aaa/edit?image=1.jpg + # 005 ^[/a\-zA\-Z]+/edit\\?((image)(=[0\-9\\.a\-zA\-Z]*)*[&]?)*$ + ... + QS_PermitUri +QSF001 deny "^[/a\-zA\-Z]+/edit\\?((document|image)(=[0\-9\\.a\-zA\-Z]*)*[&]?)*$" + QS_PermitUri +QSF002 deny "^[/a\-zA\-Z0\-9]+/view\\?(page=[0\-9]+)?$" + QS_PermitUri +QSF003 deny "^(/[a\-zA\-Z0\-9\\\-_]+)+[/]?\\.?[a\-zA\-Z]{0,4}$" + +.SH SEE ALSO +qsdt(1), qsexec(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsgeo.1 b/tools/man1/qsgeo.1 new file mode 100644 index 0000000..9c0e1be --- /dev/null +++ b/tools/man1/qsgeo.1 @@ -0,0 +1,39 @@ +.TH QSGEO 1 "May 2023" "mod_qos utilities 11.74" "qsgeo man page" + +.SH NAME +qsgeo \- an utility to lookup a client's country code. +.SH SYNOPSIS +qsgeo \-d <path> [\-l] [\-s] [\-ip <ip>] +.SH DESCRIPTION +Use this utility to resolve the country codes of IP addresses within existing log files. The utility reads the log file data from stdin and writes them, with the injected country code, to stdout. +.SH OPTIONS + +.TP +\-d <path> +Specifies the path to the geographical database files (CSV file containing IP address ranges and country codes). +.TP +\-s +Writes a summary of the requests per country only. +.TP +\-l +Writes the database to stdout (ignoring stdin) inserting local (127.*) and private (10.*, 172.16*, 192.168.*) network addresses. +.TP +\-ip <ip> +Resolves a single IP address instead of processing a log file. +.SH EXAMPLE +Reading the file access.log and adding the country code to the IP address field: + + cat access.log | qsgeo \-d GeoIPCountryWhois.csv + +Reading the file access.log and showing a summary only: + + cat access.log | qsgeo \-d GeoIPCountryWhois.csv \-s + +Resolving a single IP address: + + qsgeo \-d GeoIPCountryWhois.csv \-ip 192.84.12.23 + +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsgrep.1 b/tools/man1/qsgrep.1 new file mode 100644 index 0000000..5bba3d9 --- /dev/null +++ b/tools/man1/qsgrep.1 @@ -0,0 +1,28 @@ +.TH QSGREP 1 "May 2023" "mod_qos utilities 11.74" "qsgrep man page" + +.SH NAME +qsgrep \- prints matching patterns within a file. +.SH SYNOPSIS +qsgrep \-e <pattern> \-o <sub string> [<path>] +.SH DESCRIPTION +qsgrep is a simple tool to search patterns within files. It uses regular expressions to find patterns and prints the submatches within a pre\-defined format string. +.SH OPTIONS +.TP +\-e <pattern> +Specifies the search pattern. +.TP +\-o <string> +Defines the output string where $0\-$9 are substituted by the submatches of the regular expression. +.TP +<path> +Defines the input file to process. qsgrep reads from from standard input if this parameter is omitted. + +.SH EXAMPLE +Shows the IP addresses of clients causing mod_qos(031) messages): + + qsgrep \-e 'mod_qos\\(031\\).*, c=([a\-zA\-Z0\-9:.]*)' \-o 'ip=$1' error_log + +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qshead.1 b/tools/man1/qshead.1 new file mode 100644 index 0000000..b7956a8 --- /dev/null +++ b/tools/man1/qshead.1 @@ -0,0 +1,16 @@ +.TH QSHEAD 1 "May 2023" "mod_qos utilities 11.74" "qshead man page" + +.SH NAME +qshead \- an utility reading from stdin and printing all lines to stdout until reaching the defined pattern. +.SH SYNOPSIS +qshead \-p <pattern> +.SH DESCRIPTION +qshead reads lines from stdin and prints them to stdout until a line contains the specified pattern (literal string). +.SH OPTIONS +.TP +\-p <pattern> +Search pattern (literal string). +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1) qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qslog.1 b/tools/man1/qslog.1 new file mode 100644 index 0000000..140a8a8 --- /dev/null +++ b/tools/man1/qslog.1 @@ -0,0 +1,109 @@ +.TH QSLOG 1 "May 2023" "mod_qos utilities 11.74" "qslog man page" + +.SH NAME +qslog \- collects request statistics from access log data. +.SH SYNOPSIS +qslog \-f <format_string> \-o <out_file> [\-p[c|u[c]] [\-v]] [\-x [<num>]] [\-u <name>] [\-m] [\-c <path>] +.SH DESCRIPTION +qslog is a real time access log analyzer. It collects the data from stdin. The output is written to the specified file every minute and includes the following entries: + \- requests per second (r/s) + \- number of requests within measured time (req) + \- bytes sent to the client per second (b/s) + \- bytes received from the client per second (ib/s) + \- response status codes within the last minute (1xx,2xx,3xx,4xx,5xx) + \- average response duration (av) + \- average response duration in milliseconds (avms) + \- distribution of response durations in seconds within the last minute +(<1s,1s,2s,3s,4s,5s,>5s) + \- distribution of response durations faster than a second within the last minute +(0\-49ms,50\-99ms,100\-499ms,500\-999ms) + \- number of established (new) connections within the measured time (esco) + \- average system load (sl) + \- free memory (m) (not available for all platforms) + \- number of client ip addresses seen withn the last 600 seconds (ip) + \- number of different users seen withn the last 600 seconds (usr) + \- number of events identified by the 'E' format character + \- number of mod_qos events within the last minute (qV=create session, +qv=VIP IP,qS=session pass, qD=access denied, qK=connection closed, qT=dynamic keep\-alive, qL=request/response slow down, qs=serialized request, qA=connection abort, qU=new user tracking cookie) +.SH OPTIONS +.TP +\-f <format_string> +Defines the log data format and the positions of data elements processed by this utility. See to the 'LogFormat' directive of the httpd.conf file to see the format definitions of the servers access log data. + qslog knows the following elements: + I defines the client ip address (%h) + R defines the request line (%r) + S defines HTTP response status code (%s) + B defines the transferred bytes (%b or %O) + i defines the received bytes (%I) + D defines the request duration in microseconds (%D) + t defines the request duration in milliseconds (may be used instead of D) + T defines the request duration in seconds (may be used instead of D or t) (%T) + k defines the number of keepalive requests on the connection (%k) + U defines the user tracking id (%{mod_qos_user_id}e) + Q defines the mod_qos_ev event message (%{mod_qos_ev}e) + C defines the element for the detailed log (\-c option), e.g. "%U" + s arbitrary counter to add up (sum within a minute) + a arbitrary counter to build an average from (average per request) + A arbitrary counter to build an average from (average per request) + M arbitrary counter to measure the maximum value reached (peak) + E comma separated list of event strings + c content type (%{content\-type}o), available in \-pc mode only + m request method (GET/POST) (%m), available in \-pc mode only + . defines an element to ignore (unknown string) + +.TP +\-o <out_file> +Specifies the file to store the output to. stdout is used if this option is not defined. +.TP +\-p +Used for post processing when reading the log data from a file (cat/pipe). qslog is started using it's offline mode (extracting the time stamps from the log lines) in order to process existing log files. The option "\-pc" may be used alternatively if you want to gather request information per client (identified by IP address (I) or user tracking id (U) showing how many request each client has performed within the captured period of time). "\-pc" supports the format characters IURSBTtDkMEcm. The option "\-pu" collects statistics on a per URL level (supports format characters RSTtD). "\-puc" is very similar to "\-pu" but cuts the end (handler) of each URL. +.TP +\-v +Verbose mode. +.TP +\-x [<num>] +Rotates the output file once a day (move). You may specify the number of rotated files to keep. Default are 14. +.TP +\-u <name> +Becomes another user, e.g. www\-data. +.TP +\-m +Calculates free system memory every minute. +.TP +\-c <path> +Enables the collection of log statistics for different request types. 'path' specifies the necessary rule file. Each rule consists of a rule identifier and a regular expression to identify a request seprarated by a colon, e.g., 01:^(/a)|(/c). The regular expressions are matched against the log data element which has been identified by the 'C' format character. +.SH VARIABLES +The following environment variables are known to qslog: +.TP +QSEVENTPATH=<path> +Defines a file containing a comma or new line separated list of known event strings expected within the log filed identified by the 'E' format character. +.TP +QSCOUNTERPATH=<path> +Defines a file containing a by new line separated list of rules which reflect possible QS_ClientEventLimitCount directive settings (for simulation purpose / \-pc option). The 'E' format character defines the event string in the log to match (literal string) the 'event1' and 'event2' event names against. + +Rule syntax: <name>:<event1>\-<n>*<event2>/<duration>=<limit> + 'name' defines the name you have given to the rule entry and is logged along with +with the number of times the 'limit' has been reached within the 'duration'. + 'event1' defines the variable name (if found in 'E') to increment the counter. + 'event2' defines the variable name (if found in 'E') to decrement the counter (and +the parameter 'n' defines by how much). + 'duration' defines the measure interval (in seconds) used for the +QS_ClientEventLimitCount directive. + 'limit' defines the threshold (number) defined for the QS_ClientEventLimitCount +directive. + +Note: If the 'name' parameter is prefixed by 'STATUS', the rule is applied against the HTTP status code 'S' and the 'event1' string shall contain a list of relevant status codes separated by an underscore (while 'event2' is ignored). +.SH EXAMPLE +Configuration using pipped logging: + + CustomLog "|/usr/bin/qslog \-f ISBDQ \-x \-o /var/log/apache/stat.csv" "%h %>s %b %D %{mod_qos_ev}e" + +Post processing: + + LogFormat "%t %h \\"%r\\" %>s %b \\"%{User\-Agent}i\\" %T" + cat access.log | qslog \-f ..IRSB.T \-o stat.csv \-p + +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qslogger.1 b/tools/man1/qslogger.1 new file mode 100644 index 0000000..8c8961f --- /dev/null +++ b/tools/man1/qslogger.1 @@ -0,0 +1,41 @@ +.TH QSLOGGER 1 "May 2023" "mod_qos utilities 11.74" "qslogger man page" + +.SH NAME +qslogger \- another shell command interface to the system log module (syslog). +.SH SYNOPSIS +qslogger [\-t <tag>] [\-f <facility>] [\-l <level>] [\-x <prefix>] [\-r <expression>] [\-d <level>] [\-u <name>] [\-p] +.SH DESCRIPTION +Use this utility to forward log messages to the systems syslog facility, e.g., to forward the messages to a remote host. It reads data from stdin. +.SH OPTIONS + +.TP +\-t <tag> +Defines the tag name which shall be used to define the origin of the messages, e.g. 'httpd'. +.TP +\-f <facility> +Defines the syslog facility. Default is 'daemon'. +.TP +\-u <name> +Becomes another user, e.g. www\-data. +.TP +\-l <level> +Defines the minimal severity a message must have in order to be forwarded. Default is 'DEBUG' (forwarding everything). +.TP +\-x <prefix> +Allows you to add a prefix (literal string) to every message. +.TP +\-r <expression> +Specifies a regular expression which shall be used to determine the severity (syslog level) for each log line. The default pattern '^\\[[0\-9a\-zA\-Z :]+\\] \\[([a\-z]+)\\] ' can be used for Apache error log messages but you may configure your own pattern matching other log formats. Use brackets to define the pattern enclosing the severity string. Default level (if severity can't be determined) is defined by the option '\-d' (see below). +.TP +\-d <level> +The default severity if the specified pattern (\-r) does not match and the message's severity can't be determined. Default is 'NOTICE'. +.TP +\-p +Writes data also to stdout (for piped logging). +.SH EXAMPLE + ErrorLog "|/usr/bin/qslogger \-t apache \-f local7" + +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qspng.1 b/tools/man1/qspng.1 new file mode 100644 index 0000000..d3ff0c4 --- /dev/null +++ b/tools/man1/qspng.1 @@ -0,0 +1,22 @@ +.TH QSPNG 1 "May 2023" "mod_qos utilities 11.74" "qspng man page" + +.SH NAME +qspng \- an utility to draw a png graph from qslog(1) output data. +.SH SYNOPSIS +qspng \-i <stat_log_file> \-p <parameter> \-o <out_file> [\-10] +.SH DESCRIPTION +qspng is a tool to generate png (portable network graphics) raster images files from semicolon separated data generated by the qslog utility. It reads up to the first 1440 entries (24 hours) and prints a graph using the values defined by the 'parameter' name. +.SH OPTIONS +.TP +\-i <stats_log_file> +Input file to read data from. +.TP +\-p <parameter> +Parameter name, e.g. r/s or usr. +.TP +\-o <out_file> +Output file name, e.g. stat.png. +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslogger(1), qslog(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsre.1 b/tools/man1/qsre.1 new file mode 100644 index 0000000..b011661 --- /dev/null +++ b/tools/man1/qsre.1 @@ -0,0 +1,19 @@ +.TH QSRE 1 "May 2023" "mod_qos utilities 11.74" "qsre man page" + +.SH NAME +qsre matches a regular expression against test strings. +.SH SYNOPSIS +qsre <string>|<path> <pcre>|<path> +.SH DESCRIPTION +Regular expression test tool. The provided regular expression (pcre, caseless matching, "." matches anything incl. newline) is appplied against the provided test strings to verify if the pattern matches. +.SH OPTIONS +.TP +<string>|<path> +The first argument either defines a single test string of a path to a file containing either multiple test strings or a test pattern with newline characters (text). +.TP +<pcre>|<path> +The second argument either defines a regular expression or a path to a file containing the expression. +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsrespeed.1 b/tools/man1/qsrespeed.1 new file mode 100644 index 0000000..15207a8 --- /dev/null +++ b/tools/man1/qsrespeed.1 @@ -0,0 +1,16 @@ +.TH QSRESPEED 1 "May 2023" "mod_qos utilities 11.74" "qsrespeed man page" + +.SH NAME +Tool to compare / estimate the processing time for (Perl\-compatible) regular expressions (PCRE). +.SH SYNOPSIS +qsrespeed <path> +.SH DESCRIPTION +qsrespeed loads regular expressions from the provided file and matches them against a built\-in set of strings measuring the time needed to process them. It's a benchmark too to judge the expressions you have defined regarding the potential CPU consumption. +.SH OPTIONS +.TP +<path> +Defines the input file to process. The file consists a list of (separated by a newline character) regular expressions to test +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrotate(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qsrotate.1 b/tools/man1/qsrotate.1 new file mode 100644 index 0000000..754e8f4 --- /dev/null +++ b/tools/man1/qsrotate.1 @@ -0,0 +1,50 @@ +.TH QSROTATE 1 "May 2023" "mod_qos utilities 11.74" "qsrotate man page" + +.SH NAME +qsrotate \- a log rotation tool (similar to Apache's rotatelogs). +.SH SYNOPSIS +qsrotate \-o <file> [\-s <sec> [\-t <hours>]] [\-b <bytes>] [\-f] [\-z] [\-g <num>] [\-u <name>] [\-m <mask>] [\-p] [\-d] +.SH DESCRIPTION +qsrotate reads from stdin (piped log) and writes the data to the provided file rotating the file after the specified time. +.SH OPTIONS +.TP +\-o <file> +Output log file to write the data to (use an absolute path). +.TP +\-s <sec> +Rotation interval in seconds, default are 86400 seconds. +.TP +\-t <hours> +Offset to UTC (enables also DST support), default is 0. +.TP +\-b <bytes> +File size limitation (default/max. are 2147352576 bytes, min. are 1048576 bytes). +.TP +\-f +Forced log rotation at the specified interval even no data is written. +.TP +\-z +Compress (gzip) the rotated file. +.TP +\-g <num> +Generations (number of files to keep). +.TP +\-u <name> +Become another user, e.g. www\-data. \-m <mask> +File permission which is either 600, 640, 660 (default) or 664. +.TP +\-p +Writes data also to stdout (for piped logging). \-d +Line\-by\-line data reading prefixing every line with a timestamp. +.SH EXAMPLE + TransferLog "|/usr/bin/qsrotate \-f \-z \-g 3 \-o /var/log/apache/access.log \-s 86400" + +The name of the rotated file will be /dest/filee.YYYYmmddHHMMSS where YYYYmmddHHMMSS is the system time at which the data has been rotated. +.SH NOTE + \- Each qsrotate instance must use an individual file. + \- You may trigger a file rotation manually by sending the signal USR1 +to the process. +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qsre(1), qsrespeed(1), qspng(1), qssign(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qssign.1 b/tools/man1/qssign.1 new file mode 100644 index 0000000..ec3ed8d --- /dev/null +++ b/tools/man1/qssign.1 @@ -0,0 +1,44 @@ +.TH QSSIGN 1 "May 2023" "mod_qos utilities 11.74" "qssign man page" + +.SH NAME +qssign \- an utility to sign and verify the integrity of log data. +.SH SYNOPSIS +qssign \-s|S <secret> [\-e] [\-v] [\-u <name>] [\-f <regex>] [\-a 'sha1'|'sha256'] +.SH DESCRIPTION +qssign is a log data integrity check tool. It reads log data from stdin (pipe) and writes the data to stdout adding a sequence number and signature to ever log line. +.SH OPTIONS +.TP +\-s <secret> +Passphrase used to calculate signature. +.TP +\-S <program> +Specifies a program which writes the passphrase to stdout. +.TP +\-e +Writes start/end marker when starting/stopping data signing. +.TP +\-v +Verification mode checking the integrity of signed data. +.TP +\-u <name> +Becomes another user, e.g. www\-data. +.TP +\-f <regex> +Filter pattern (case sensitive regular expression) for messages which do not need to be signed. +.TP +\-a 'sha1'|'sha256' +Specifies the algorithm to use. Default is sha1. +.SH EXAMPLE +Sign: + + TransferLog "|/usr/bin/qssign \-s password \-e |/usr/bin/qsrotate \-o /var/log/apache/access.log" + + +Verify: + + cat access.log | qssign \-s password \-v + +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qstail(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/man1/qstail.1 b/tools/man1/qstail.1 new file mode 100644 index 0000000..0755c0e --- /dev/null +++ b/tools/man1/qstail.1 @@ -0,0 +1,19 @@ +.TH QSTAIL 1 "May 2023" "mod_qos utilities 11.74" "qstail man page" + +.SH NAME +qstail \- an utility printing the end of a log file starting at the specified pattern. +.SH SYNOPSIS +qstail \-i <path> \-p <pattern> +.SH DESCRIPTION +qstail shows the end of a log file beginning with the line containing the specified pattern. This may be used to show all lines which has been written after a certain event (e.g., server restart) or time stamp. +.SH OPTIONS +.TP +\-i <path> +Input file to read the data from. +.TP +\-p <pattern> +Search pattern (literal string). +.SH SEE ALSO +qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1) +.SH AUTHOR +Pascal Buchbinder, http://mod-qos.sourceforge.net/ diff --git a/tools/missing b/tools/missing new file mode 100755 index 0000000..f62bbae --- /dev/null +++ b/tools/missing @@ -0,0 +1,215 @@ +#! /bin/sh +# Common wrapper for a few potentially missing GNU programs. + +scriptversion=2013-10-28.13; # UTC + +# Copyright (C) 1996-2014 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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PROGRAM [ARGUMENT]... + +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + +Supported PROGRAM values: + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man + +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. + +Send bug reports to <bug-automake@gnu.org>." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" + exit 1 + ;; + +esac + +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch. 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Give up. + exit $st +fi + +perl_URL=http://www.perl.org/ +flex_URL=http://flex.sourceforge.net/ +gnu_software_URL=http://www.gnu.org/software + +program_details () +{ + case $1 in + aclocal|automake) + echo "The '$1' program is part of the GNU Automake package:" + echo "<$gnu_software_URL/automake>" + echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/autoconf>" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + autoconf|autom4te|autoheader) + echo "The '$1' program is part of the GNU Autoconf package:" + echo "<$gnu_software_URL/autoconf/>" + echo "It also requires GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + esac +} + +give_advice () +{ + # Normalize program name to check for. + normalized_program=`echo "$1" | sed ' + s/^gnu-//; t + s/^gnu//; t + s/^g//; t'` + + printf '%s\n' "'$1' is $msg." + + configure_deps="'configure.ac' or m4 files included by 'configure.ac'" + case $normalized_program in + autoconf*) + echo "You should only need it if you modified 'configure.ac'," + echo "or m4 files included by it." + program_details 'autoconf' + ;; + autoheader*) + echo "You should only need it if you modified 'acconfig.h' or" + echo "$configure_deps." + program_details 'autoheader' + ;; + automake*) + echo "You should only need it if you modified 'Makefile.am' or" + echo "$configure_deps." + program_details 'automake' + ;; + aclocal*) + echo "You should only need it if you modified 'acinclude.m4' or" + echo "$configure_deps." + program_details 'aclocal' + ;; + autom4te*) + echo "You might have modified some maintainer files that require" + echo "the 'autom4te' program to be rebuilt." + program_details 'autom4te' + ;; + bison*|yacc*) + echo "You should only need it if you modified a '.y' file." + echo "You may want to install the GNU Bison package:" + echo "<$gnu_software_URL/bison/>" + ;; + lex*|flex*) + echo "You should only need it if you modified a '.l' file." + echo "You may want to install the Fast Lexical Analyzer package:" + echo "<$flex_URL>" + ;; + help2man*) + echo "You should only need it if you modified a dependency" \ + "of a man page." + echo "You may want to install the GNU Help2man package:" + echo "<$gnu_software_URL/help2man/>" + ;; + makeinfo*) + echo "You should only need it if you modified a '.texi' file, or" + echo "any other file indirectly affecting the aspect of the manual." + echo "You might want to install the Texinfo package:" + echo "<$gnu_software_URL/texinfo/>" + echo "The spurious makeinfo call might also be the consequence of" + echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" + echo "want to install GNU make:" + echo "<$gnu_software_URL/make/>" + ;; + *) + echo "You might have modified some files without having the proper" + echo "tools for further handling them. Check the 'README' file, it" + echo "often tells you about the needed prerequisites for installing" + echo "this package. You may also peek at any GNU archive site, in" + echo "case some other package contains this missing '$1' program." + ;; + esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ + -e '2,$s/^/ /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/tools/src/Makefile.am b/tools/src/Makefile.am new file mode 100644 index 0000000..489a69a --- /dev/null +++ b/tools/src/Makefile.am @@ -0,0 +1,49 @@ +# $Id: Makefile.am 2486 2018-09-03 20:22:17Z pbuchbinder $ + +bin_PROGRAMS=qsfilter2 qslog qspng qsrotate qssign qstail qshead qsgrep qsexec qscheck qsgeo qslogger qsdt qsrespeed qsre + +qsfilter2_SOURCES= \ + qsfilter2.c qs_util.c + +qslog_SOURCES= \ + qslog.c qs_util.c + +qspng_SOURCES= \ + qspng.c qs_util.c + +qsrotate_SOURCES= \ + qsrotate.c qs_util.c + +qssign_SOURCES= \ + qssign.c qs_util.c qs_apo.c + +qstail_SOURCES= \ + qstail.c qs_util.c + +qshead_SOURCES= \ + qshead.c qs_util.c + +qsgrep_SOURCES= \ + qsgrep.c qs_util.c + +qsexec_SOURCES= \ + qsexec.c qs_util.c + +qscheck_SOURCES= \ + qscheck.c qs_util.c + +qsgeo_SOURCES= \ + qsgeo.c qs_util.c + +qslogger_SOURCES= \ + qslogger.c qs_util.c + +qsdt_SOURCES= \ + qsdt.c qs_util.c + +qsrespeed_SOURCES= \ + qsrespeed.c qs_util.c + +qsre_SOURCES= \ + qsre.c qs_util.c + diff --git a/tools/src/Makefile.in b/tools/src/Makefile.in new file mode 100644 index 0000000..18daa12 --- /dev/null +++ b/tools/src/Makefile.in @@ -0,0 +1,734 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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quality of service module mod_qos. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#define S_W_MAX 6 +#define S_H_MAX 7 + +static int s_0[S_H_MAX][S_W_MAX] = { + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_1[S_H_MAX][S_W_MAX] = { + { 0,0,0,1,0,0}, + { 0,0,1,1,0,0}, + { 0,1,0,1,0,0}, + { 0,0,0,1,0,0}, + { 0,0,0,1,0,0}, + { 0,0,0,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_2[S_H_MAX][S_W_MAX] = { + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 0,0,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0}, + { 1,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_3[S_H_MAX][S_W_MAX] = { + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 0,0,1,1,0,0}, + { 0,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_4[S_H_MAX][S_W_MAX] = { + { 0,0,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0}, + { 1,0,0,1,0,0}, + { 1,1,1,1,1,0}, + { 0,0,0,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_5[S_H_MAX][S_W_MAX] = { + { 1,1,1,1,1,0}, + { 1,0,0,0,0,0}, + { 1,1,1,1,0,0}, + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0}, + { 1,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_6[S_H_MAX][S_W_MAX] = { + { 0,1,1,1,0,0}, + { 1,0,0,0,0,0}, + { 1,0,1,1,0,0}, + { 1,1,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_7[S_H_MAX][S_W_MAX] = { + { 1,1,1,1,1,0}, + { 0,0,0,0,1,0}, + { 0,0,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0}, + { 0,1,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_8[S_H_MAX][S_W_MAX] = { + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_9[S_H_MAX][S_W_MAX] = { + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +/* ----------------------------------------------- */ +static int s_a[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_b[S_H_MAX][S_W_MAX] = { + { 1,0,0,0,0,0}, + { 1,0,0,0,0,0}, + { 1,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_c[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,0,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_d[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_e[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,1,1,1,1,0}, + { 1,0,0,0,0,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_f[S_H_MAX][S_W_MAX] = { + { 0,0,1,1,0,0}, + { 0,1,0,0,0,0}, + { 1,1,1,0,0,0}, + { 0,1,0,0,0,0}, + { 0,1,0,0,0,0}, + { 0,1,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_g[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,1,0}, + { 0,1,1,1,0,0} +}; + +static int s_h[S_H_MAX][S_W_MAX] = { + { 1,0,0,0,0,0}, + { 1,0,0,0,0,0}, + { 1,0,1,1,0,0}, + { 1,1,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_i[S_H_MAX][S_W_MAX] = { + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0}, + { 0,1,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_j[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,1,0}, + { 0,0,0,0,0,0}, + { 0,0,0,1,1,0}, + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0}, + { 0,0,1,1,0,0} +}; + +static int s_k[S_H_MAX][S_W_MAX] = { + { 1,0,0,0,0,0}, + { 1,0,0,0,0,0}, + { 1,0,1,1,0,0}, + { 1,1,0,0,0,0}, + { 1,0,1,0,0,0}, + { 1,0,0,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_l[S_H_MAX][S_W_MAX] = { + { 0,1,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_m[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,1,0,1,0,0}, + { 1,0,1,0,1,0}, + { 1,0,1,0,1,0}, + { 1,0,1,0,1,0}, + { 1,0,1,0,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_n[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,1,1,0,0}, + { 1,1,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_o[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_p[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,1,1,1,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,1,1,1,0,0}, + { 1,0,0,0,0,0}, + { 1,0,0,0,0,0} +}; + +static int s_q[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0} +}; + +static int s_r[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,1,1,0,0}, + { 1,1,0,0,1,0}, + { 1,0,0,0,0,0}, + { 1,0,0,0,0,0}, + { 1,0,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_s[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,1,1,1,0}, + { 1,0,0,0,0,0}, + { 0,1,1,1,0,0}, + { 0,0,0,0,1,0}, + { 1,1,1,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_t[S_H_MAX][S_W_MAX] = { + { 0,0,1,0,0,0}, + { 0,1,1,1,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,1,0}, + { 0,0,0,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_u[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_v[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_w[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,1,0,1,0}, + { 1,1,0,1,1,0}, + { 1,0,0,0,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_x[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,0,0,1,0}, + { 0,1,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,1,0,0}, + { 1,0,0,0,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_y[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,1,1,1,1,0}, + { 0,0,0,0,1,0}, + { 1,1,1,1,0,0} +}; + +static int s_z[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 1,1,1,1,1,0}, + { 0,0,0,1,1,0}, + { 0,0,1,0,0,0}, + { 1,1,0,0,0,0}, + { 1,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_BRO[S_H_MAX][S_W_MAX] = { + { 0,0,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0}, + { 0,1,0,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_BRC[S_H_MAX][S_W_MAX] = { + { 0,0,1,0,0,0}, + { 0,0,0,1,0,0}, + { 0,0,0,0,1,0}, + { 0,0,0,0,1,0}, + { 0,0,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_MI[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 1,1,1,1,1,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_LT[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,1,0,0}, + { 0,1,1,0,0,0}, + { 1,0,0,0,0,0}, + { 0,1,1,0,0,0}, + { 0,0,0,1,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_GT[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,1,0,0,0,0}, + { 0,0,1,1,0,0}, + { 0,0,0,0,1,0}, + { 0,0,1,1,0,0}, + { 0,1,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_SP[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_US[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 1,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_M[S_H_MAX][S_W_MAX] = { + { 1,0,0,0,1,0}, + { 1,1,0,1,1,0}, + { 1,0,1,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 1,0,0,0,1,0}, + { 0,0,0,0,0,0} +}; + +static int s_DT[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,1,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_CM[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0} +}; + +static int s_SC[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0} +}; + +static int s_CO[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_SL[S_H_MAX][S_W_MAX] = { + { 0,0,0,0,0,1}, + { 0,0,0,0,1,0}, + { 0,0,0,1,0,0}, + { 0,0,1,0,0,0}, + { 0,1,0,0,0,0}, + { 1,0,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_SQ[S_H_MAX][S_W_MAX] = { + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,1,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0}, + { 0,0,0,0,0,0} +}; + +static int s_X[S_H_MAX][S_W_MAX] = { + { 1,1,1,1,1,0}, + { 1,1,1,1,1,0}, + { 1,1,1,1,1,0}, + { 1,1,1,1,1,0}, + { 1,1,1,1,1,0}, + { 1,1,1,1,1,0}, + { 0,0,0,0,0,0} +}; + diff --git a/tools/src/qs_apo.c b/tools/src/qs_apo.c new file mode 100644 index 0000000..67f4027 --- /dev/null +++ b/tools/src/qs_apo.c @@ -0,0 +1,135 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qs_apo.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <pthread.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <stdarg.h> +#include <fcntl.h> +#include <dirent.h> +#include <unistd.h> +#include <errno.h> +#include <pwd.h> + +/* apr/apr-util */ +#include <apr.h> +#include <apr_base64.h> +#include <apr_pools.h> +#include <apr_strings.h> +#include <apr_thread_proc.h> +#include <apr_file_io.h> +#include <apr_time.h> + +#include "qs_util.h" +#include "qs_apo.h" + +static apr_table_t *qs_args(apr_pool_t *pool, const char *line) { + char *last = apr_pstrdup(pool, line); + apr_table_t* table = apr_table_make(pool, 10); + char *val; + while((val = apr_strtok(NULL, " ", &last))) { + apr_table_addn(table, val, ""); + } + return table; +} + +static void qs_failedexec(const char *msg, const char *cmd, apr_status_t status) { + char buf[MAX_LINE]; + apr_strerror(status, buf, sizeof(buf)); + fprintf(stderr, "ERROR %s '%s': '%s'\n", msg, cmd, buf); + exit(1); +} + +/** + * Reads a passphrase using the defined passphrase getter (executes + * the program and reads the passphras from stdout). + * + * @param pool To allocate memory + * @param prg Path of the program to exectue + * @return The passphrase + */ +char *qs_readpwd(apr_pool_t *pool, const char *prg) { + apr_status_t status; + apr_proc_t proc; + const char **args; + apr_table_entry_t *entry; + char *last; + char *copy = apr_pstrdup(pool, prg); + char *cmd = apr_strtok(copy, " ", &last); + apr_table_t *a = qs_args(pool, prg); + int i; + apr_procattr_t *attr; + apr_size_t len = MAX_LINE; + char *buf = apr_pcalloc(pool, len); + + args = apr_pcalloc(pool, (apr_table_elts(a)->nelts + 1) * sizeof(const char *)); + entry = (apr_table_entry_t *) apr_table_elts(a)->elts; + for(i = 0; i < apr_table_elts(a)->nelts; i++) { + args[i] = entry[i].key; + } + args[i] = NULL; + + if(cmd == NULL) { + qs_failedexec("can't read password, invalid executable", prg, APR_EGENERAL); + } + if((status = apr_procattr_create(&attr, pool)) != APR_SUCCESS) { + qs_failedexec("while reading password from executable", prg, status); + } + if((status = apr_procattr_cmdtype_set(attr, APR_PROGRAM_PATH)) != APR_SUCCESS) { + qs_failedexec("while reading password from executable", prg, status); + } + if((status = apr_procattr_detach_set(attr, 0)) != APR_SUCCESS) { + qs_failedexec("while reading password from executable", prg, status); + } + if((status = apr_procattr_io_set(attr, APR_FULL_BLOCK, APR_FULL_BLOCK, APR_NO_PIPE)) != APR_SUCCESS) { + qs_failedexec("while reading password from executable", prg, status); + } + if((status = apr_proc_create(&proc, cmd, args, NULL, attr, pool)) != APR_SUCCESS) { + qs_failedexec("could not execute program", prg, status); + } else { + char *e; + status = apr_proc_wait(&proc, NULL, NULL, APR_WAIT); + if(status != APR_CHILD_DONE && status != APR_SUCCESS) { + qs_failedexec("while reading password from executable", prg, status); + } + status = apr_file_read(proc.out, buf, &len); + if(status != APR_SUCCESS) { + qs_failedexec("failed to read password from program", prg, status); + } + e = buf; + while(e && e[0]) { + if((e[0] == LF) || (e[0] == CR)) { + e[0] = '\0'; + } else { + e++; + } + } + } + return buf; +} diff --git a/tools/src/qs_apo.h b/tools/src/qs_apo.h new file mode 100644 index 0000000..4316571 --- /dev/null +++ b/tools/src/qs_apo.h @@ -0,0 +1,31 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#ifndef QS_APO_H +#define QS_APO_H + +char *qs_readpwd(apr_pool_t *pool, const char *prg); + +#endif diff --git a/tools/src/qs_util.c b/tools/src/qs_util.c new file mode 100644 index 0000000..ddf1e89 --- /dev/null +++ b/tools/src/qs_util.c @@ -0,0 +1,409 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +static const char revision[] = "$Id: qs_util.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <pthread.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <stdarg.h> +#include <fcntl.h> +#include <dirent.h> +#include <unistd.h> +#include <errno.h> +#include <pwd.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> +typedef pcre2_match_data* match_data_pt; +typedef size_t* match_vector_pt; + +#include "qs_util.h" + +/* mutex for counter access */ +static pthread_mutex_t m_qs_lock_cs; +/* online/offline mode */ +static int m_qs_offline = 0; +/* internal clock for offline analysis + * stores time in seconds */ +static time_t m_qs_virtualSystemTime = 0; + +/* ---------------------------------- + * functions + * ---------------------------------- */ + +/** + * man: + * - escape special chars, like "\" and "-" + * - wipe leading spaces + * - wipe tailing LF + */ +void qs_man_print(int man, const char *fmt, ...) { + char bufin[4096]; + char bufout[4096]; + va_list args; + int i = 0; + int j = 0; + memset(bufin, 0, 4096); + va_start(args, fmt); + vsprintf(bufin, fmt, args); + if(man) { + // wipe leading spaces + // while(bufin[i] == ' ' && bufin[i+1] == ' ') { + while(bufin[i] == ' ') { + i++; + } + } + while(bufin[i] && j < 4000) { + // escape "\\" and "-" for man page + if(man && (bufin[i] == '\\' || bufin[i] == '-')) { + bufout[j] = '\\'; + j++; + } + if(bufin[i] == '\n') { + if(man) { + // skip LF for man page + i++; + } else { + // keep LF + bufout[j] = bufin[i]; + i++; + j++; + } + } else { + // standard char + bufout[j] = bufin[i]; + i++; + j++; + } + } + bufout[j] = '\0'; + printf("%s", bufout); + if(man) { + printf(" "); + } +} + +// escape only +void qs_man_println(int man, const char *fmt, ...) { + char bufin[4096]; + char bufout[4096]; + va_list args; + int i = 0; + int j = 0; + memset(bufin, 0, 4096); + va_start(args, fmt); + vsprintf(bufin, fmt, args); + while(bufin[i] && j < 4000) { + // escape "\\" and "-" for man page + if(man && (bufin[i] == '\\' || bufin[i] == '-')) { + bufout[j] = '\\'; + j++; + } + // standard char + bufout[j] = bufin[i]; + i++; + j++; + } + bufout[j] = '\0'; + printf("%s", bufout); +} + +char *qs_CMD(const char *cmd) { + char *buf = calloc(1024, 1); + int i = 0; + while(cmd[i] && i < 1023) { + buf[i] = toupper(cmd[i]); + i++; + } + buf[i] = '\0'; + return buf; +} + +/* io --------------------------------------------------------- */ +/* + * reads a line from stdin + * + * @param s Buffer to write line to + * @param n Length of the buffer + * @return 0 on EOF, or 1 if there is more data to read + */ +int qs_getLine(char *s, int n) { + int i = 0; + while (1) { + s[i] = (char)getchar(); + if(s[i] == EOF) return 0; + if (s[i] == CR) { + s[i] = getchar(); + } + if ((s[i] == 0x4) || (s[i] == LF) || (i == (n - 1))) { + s[i] = '\0'; + return 1; + } + ++i; + } +} + +/* + * reads a line from file + * + * @param s Buffer to write line to + * @param n Length of the buffer + * @return 0 on EOF, or 1 if there is more data to read + */ +int qs_getLinef(char *s, int n, FILE *f) { + register int i = 0; + while (1) { + s[i] = (char) fgetc(f); + if (s[i] == CR) { + s[i] = fgetc(f); + } + if ((s[i] == 0x4) || (s[i] == LF) || (i == (n - 1))) { + s[i] = '\0'; + return (feof(f) ? 1 : 0); + } + ++i; + } +} + +/* time ------------------------------------------------------- */ +/* + * We implement our own time which is either + * the system time (real time) or the time from + * the access log lines (offline) if m_qs_offline + * has been set (use qs_set2OfflineMode() to enable + * the offline mode). + * + * @param tme Set to the time since the Epoch in seconds. + */ +void qs_time(time_t *tme) { + if(m_qs_offline) { + /* use virtual time from the access log */ + *tme = m_qs_virtualSystemTime; + } else { + time(tme); + } +} + +/** + * Sets time measurement (qs_time()) to offline mode. + */ +void qs_set2OfflineMode() { + m_qs_offline = 1; +} + +/* + * Updates the virtual time. + */ +void qs_setTime(time_t tme) { + m_qs_virtualSystemTime = tme; +} + +/* synchronisation -------------------------------------------- */ +/* + * locks all counter + */ +void qs_csLock() { + pthread_mutex_lock(&m_qs_lock_cs); +} + +/* + * unlocks all counter + */ +void qs_csUnLock() { + pthread_mutex_unlock(&m_qs_lock_cs); +} + +/* + * init locks + */ +void qs_csInitLock() { + pthread_mutex_init(&m_qs_lock_cs, NULL); +} + +/* logs ------------------------------------------------------- */ + +/** + * Keeps only the specified number of files + * + * @param file_name Absolute file name + * @param generations Number of files to keep + */ +void qs_deleteOldFiles(const char *file_name, int generations) { + DIR *dir; + char dirname[QS_HUGE_STR]; + char *p; + memset(dirname, 0, QS_HUGE_STR); + if(strlen(file_name) > (QS_HUGE_STR - 12)) { + // invalid file length + return; + } + if(strrchr(file_name, '/') == NULL) { + sprintf(dirname, "./%s", file_name); + } else { + strcpy(dirname, file_name); + } + p = strrchr(dirname, '/'); + p[0] = '\0'; p++; + dir = opendir(dirname); + if(dir) { + int num = 0; + struct dirent *de; + char filename[QS_HUGE_STR]; + snprintf(filename, sizeof(filename), "%s.20", p); + /* determine how many files to delete */ + while((de = readdir(dir)) != 0) { + if(de->d_name && (strncmp(de->d_name, filename, strlen(filename)) == 0)) { + num++; + } + } + /* delete the oldest files (assumes they are ordered by their creation date) */ + while(num > generations) { + char old[QS_HUGE_STR]; + old[0] = '\0'; + rewinddir(dir); + while((de = readdir(dir)) != 0) { + if(de->d_name && (strncmp(de->d_name, filename, strlen(filename)) == 0)) { + if(strcmp(old, de->d_name) > 0) { + snprintf(old, sizeof(old), "%s", de->d_name); + } else { + if(old[0] == '\0') { + snprintf(old, sizeof(old), "%s", de->d_name); + } + } + } + } + { + /* build abs path and delete it */ + char unl[QS_HUGE_STR]; + snprintf(unl, sizeof(unl), "%s/%s", dirname, old); + unlink(unl); + } + num--; + } + closedir(dir); + } +} + +/* user ------------------------------------------------------- */ +void qs_setuid(const char *username, const char *cmd) { + if(username && getuid() == 0) { + struct passwd *pwd = getpwnam(username); + uid_t uid, gid; + if(pwd == NULL) { + fprintf(stderr, "[%s] failed to switch user: unknown user id '%s'\n", cmd, username); + exit(1); + } + uid = pwd->pw_uid; + gid = pwd->pw_gid; + setgid(gid); + setuid(uid); + if(getuid() != uid) { + fprintf(stderr, "[%s] setuid failed (%s,%d)\n", cmd, username, uid); + exit(1); + } + if(getgid() != gid) { + fprintf(stderr, "[%s] setgid failed (%d)\n", cmd, gid); + exit(1); + } + } +} +/* pcre ------------------------------------------------------- */ +int qs_pregfree(void *p) { + qs_regfree((qs_regex_t *)p); + return 0; +} + +void qs_regfree(qs_regex_t *preg) { + if(preg->state == 1) { + pcre2_code_free(preg->re_pcre); + } +} + +int qs_regcomp(qs_regex_t *preg, const char *pattern, int cflags) { + unsigned int capcount; + size_t erroffset; + int errcode = 0; + int options = cflags; + preg->state = 0; + + preg->re_pcre = pcre2_compile((const unsigned char *)pattern, + PCRE2_ZERO_TERMINATED, options, &errcode, + &erroffset, NULL); + + if (preg->re_pcre == NULL) { + return 1; + } + + pcre2_pattern_info((const pcre2_code *)preg->re_pcre, + PCRE2_INFO_CAPTURECOUNT, &capcount); + preg->re_nsub = capcount; + + preg->state = 1; + + return 0; +} + +int qs_regexec_len(const qs_regex_t *preg, const char *buff, + unsigned int len, unsigned int nmatch, + qs_regmatch_t *pmatch, int eflags) { + int rc; + int options = 0; + match_vector_pt ovector = NULL; + unsigned int ncaps = (unsigned int)preg->re_nsub + 1; + match_data_pt data = pcre2_match_data_create(ncaps, NULL); + + if (!data) { + return -1; + } + + options = eflags; + + rc = pcre2_match((const pcre2_code *)preg->re_pcre, + (const unsigned char *)buff, len, + 0, options, data, NULL); + ovector = pcre2_get_ovector_pointer(data); + + if (rc >= 0) { + unsigned int n = rc, i; + if (n == 0 || n > nmatch) + rc = n = nmatch; /* All capture slots were filled in */ + for (i = 0; i < n; i++) { + pmatch[i].rm_so = ovector[i * 2]; + pmatch[i].rm_eo = ovector[i * 2 + 1]; + } + for (; i < nmatch; i++) { + pmatch[i].rm_so = pmatch[i].rm_eo = -1; + } + pcre2_match_data_free(data); + return rc; + } + else { + pcre2_match_data_free(data); + + return -1; + } +} diff --git a/tools/src/qs_util.h b/tools/src/qs_util.h new file mode 100644 index 0000000..fa0bc1c --- /dev/null +++ b/tools/src/qs_util.h @@ -0,0 +1,98 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#ifndef QS_UTIL_H +#define QS_UTIL_H + +/* ---------------------------------- + * version info + * ---------------------------------- */ +static const char man_version[] = "11.74"; +static const char man_date[] = "May 2023"; + +/* ---------------------------------- + * definitions + * ---------------------------------- */ +/* huge (128kb) buffer supporting very long lines (twice as + much as Apache's rotatelogs uses */ +#define MAX_LINE_BUFFER 131072 +/* smaller buffer, e.g. for qslog */ +#define MAX_LINE 32768 +#define QS_HUGE_STR 2048 +#define CR 13 +#define LF 10 + +/* ---------------------------------- + * functions + * ---------------------------------- */ +char *qs_CMD(const char *cmd); +void qs_man_print(int man, const char *fmt, ...); +void qs_man_println(int man, const char *fmt, ...); + +/* io */ +int qs_getLine(char *s, int n); +int qs_getLinef(char *s, int n, FILE *f); + +/* time */ +void qs_time(time_t *tme); +void qs_set2OfflineMode(); +void qs_setTime(time_t tme); + +/* synchronisation */ +void qs_csInitLock(); +void qs_csLock(); +void qs_csUnLock(); + +/* log */ +void qs_deleteOldFiles(const char *file_name, int generations); + +/* user */ +void qs_setuid(const char *username, const char *cmd); + +/* pcre */ +#define QS_MAX_REG_MATCH 10 + +typedef struct { + int rm_so; + int rm_eo; +} qs_regmatch_t; + +typedef struct { + void *re_pcre; + int re_nsub; + int state; +} qs_regex_t; + +int qs_pregfree(void *p); + +void qs_regfree(qs_regex_t *preg); + +int qs_regcomp(qs_regex_t *preg, const char *regex, int cflags); + +int qs_regexec_len(const qs_regex_t *preg, const char *buff, + unsigned int len, unsigned int nmatch, + qs_regmatch_t *pmatch, int eflags); + +#endif diff --git a/tools/src/qscheck.c b/tools/src/qscheck.c new file mode 100644 index 0000000..4b75c36 --- /dev/null +++ b/tools/src/qscheck.c @@ -0,0 +1,413 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * qscheck.c: Monitor testing tcp connectivity to servers used by mod_proxy. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qscheck.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <netdb.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <unistd.h> +#include <fcntl.h> +#include <ctype.h> +#include <arpa/inet.h> + +#include "qs_util.h" + +//#include <config.h> + +#define CR 13 +#define LF 10 +#define QS_TIMEOUT 2 +#define QS_PROXYP "proxypass " +#define QS_PROXYP_TAB "proxypass\t" +#define QS_PROXYPR "proxypassreverse " +#define QS_PROXYPR_TAB "proxypassreverse\t" +#define QS_PROXYR "proxyremote " +#define QS_PROXYR_TAB "proxyremote\t" +#define QS_INCLUDE "nclude " +#define QS_INCLUDE_TAB "nclude\t" +#define QS_SERVERROOT "ServerRoot " +#define QS_SERVERROOT_TAB "ServerRoot\t" + +static int m_verbose = 0; +static char ServerRoot[1024]; +static char *checkedHosts = NULL; + +/** + * Prints usage text + */ +static void usage(char *cmd) { + printf("\n"); + printf("Monitor program testing the TCP connectivity to servers.\n"); + printf("\n"); + printf("Usage: %s -c <httpd.conf> [-v]\n", cmd); + printf("\n"); + printf("Verifies the connectivity to the server referred either\n"); + printf("by the ProxyPass, ProxyPassReverse, or ProxyReverse\n"); + printf("directive used by mod_proxy.\n"); + printf("\n"); + printf("You may alternatively use \"%s -i <hostname>:<port>\" if\n", cmd); + printf("you want to check the TCP connectivity to a single host.\n"); + printf("\n"); + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + exit(1); +} + +/** + * Opens a tcp connection + */ +static int ping(unsigned long address, int port) { + int status = 0; + struct sockaddr_in addr; + int skt; + addr.sin_addr.s_addr = address; + addr.sin_port = htons(port); + addr.sin_family = PF_INET; + skt = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); + if(skt != -1) { + int sflags = fcntl(skt,F_GETFL,0); + if(sflags >=0) { + /* set non blocking socket */ + if(fcntl(skt,F_SETFL,sflags|O_NONBLOCK) >=0) { + /* this connect returns immediately */ + int ret = connect(skt, (struct sockaddr*)&addr, sizeof(struct sockaddr_in)); + if(fcntl(skt,F_SETFL,sflags) >=0) { + socklen_t lon = sizeof(int); + int valopt; + fd_set fd_w; + struct timeval tme; + tme.tv_sec = QS_TIMEOUT; + tme.tv_usec = 0; + FD_ZERO(&fd_w); + FD_SET(skt, &fd_w); + /* select returns -1 on timeout, else 1 (connected or refused) */ + if(select(FD_SETSIZE, NULL, &fd_w, NULL, &tme) > 0) { + /* check the status of the socket in order to distinguish between + connected or refused */ + if(getsockopt(skt, SOL_SOCKET, SO_ERROR, (void*)(&valopt), &lon) >= 0) { + if(!valopt) { + /* UP ! */ + status = 1; + } + } + } + } + } + } + } + return status; +} + +/** + * resolves host address + */ +static unsigned long getAddress(const char *hostname) { + int ip = 1; + int i = 0; + unsigned long address = 0L; + struct hostent *hoste; + for(i = 0; i < (int) strlen(hostname); i++) { + if((!isdigit((int) hostname[i])) && (hostname[i] != '.')) { + ip = 0; + break; + } + } + if (ip) { + address = inet_addr(hostname); + if(address == -1) { + return 0L; + } + } else { + hoste = gethostbyname(hostname); + if (!hoste || !hoste->h_addr_list[ 0 ]) { + /* can't resolve host name */ + return 0L; + } + address = ((struct in_addr*)hoste->h_addr_list[ 0 ])->s_addr; + } + return address; +} + +/* + * Checks a single host (parse host string, resolve address, ping). + */ +static int checkHost(const char *cmd, const char *filename, int ln, char *abs_url) { + int status = 1; + char *schema = abs_url; + char *host = NULL; + char *ports = NULL; + int port = 0; + char hp[1024]; + unsigned long address; + char *x = strstr(abs_url, "://"); + if(x == NULL) { + if(m_verbose) { + fprintf(stderr,"[%s]: ERROR, wrong syntax <%s> in %s on line %d\n", + cmd, abs_url, filename, ln); + } + return 0; + } + x[0] = '\0'; x = x + strlen("://"); + host = x; + ports = strchr(x, ':'); + if(ports != NULL) { + ports[0] = '\0'; ports++; + x = strchr(ports, '/'); + if(x == NULL) { + int i; + x = ports; + for(i=0;(x[i] != ' ') && (x[i] != '\t') && (x[i] != '\0'); i++); + x[i] = '\0'; + } else { + x[0] = '\0'; + } + port = atoi(ports); + } else { + ports = strchr(x, '/'); + if(ports == NULL) { + int i; + for(i=0;(x[i] != ' ') && (x[i] != '\t') && (x[i] != '\0'); i++); + x[i] = '\0'; + } else { + ports[0] = '\0'; + } + if(strcmp(schema, "http") == 0) { + port = 80; + } else { + port = 443; + } + } + /* check each host only once */ + snprintf(hp, sizeof(hp), "#%s:%d#", host, port); + if(checkedHosts && strstr(checkedHosts, hp) != NULL) { + /* already checked */ + return 1; + } + if(checkedHosts == NULL) { + checkedHosts = calloc(1, strlen(hp) + 1); + strcpy(checkedHosts, hp); + } else { + int pl = strlen(checkedHosts) +strlen(hp) + 1; + char *p = calloc(1, pl); + snprintf(p, pl, "%s%s", checkedHosts, hp); + free(checkedHosts); + checkedHosts = p; + } + /* resolve address */ + address = getAddress(host); + if(address == 0L) { + fprintf(stderr,"[%s]: ERROR, could not resolve hostname %s\n", cmd, host); + return -1; + } + /* check connection */ + if(ping(address, port)) { + if(m_verbose) { + printf("[%s]: %s:%d Up\n", cmd, host, port); + } + return 1; + } else { + printf("[%s]: %s:%d Down\n", cmd, host, port); + return 0; + } +} + +/** + * Open file and check every ProxyPass* or ProxyR* entry. + * - follows include ... directive + * - determines serverroot + */ +static int checkFile(const char *cmd, const char *filename) { + int status = 1; + int ln = 0; + char line[1024]; + FILE *f = fopen(filename, "r"); + if(f == NULL) { + if(ServerRoot[0] != '\0') { + char fqfile[2048]; + snprintf(fqfile, sizeof(fqfile), "%s/%s", ServerRoot, filename); + f = fopen(fqfile, "r"); + } + } + if(f == NULL) { + fprintf(stderr,"[%s]: ERROR, could not open file %s\n", cmd, filename); + return 0; + } + + while(!qs_getLinef(line, sizeof(line), f)) { + char *command = NULL; + int cmd_len = 0; + int to = 0; + while(line[to]) { + line[to] = tolower(line[to]); + to++; + } + ln++; + command = strstr(line, QS_PROXYP); + cmd_len = strlen(QS_PROXYP); + if(command == NULL) command = strstr(line, QS_PROXYP_TAB); + if(command == NULL) { + command = strstr(line, QS_PROXYPR); + cmd_len = strlen(QS_PROXYPR); + } + if(command == NULL) command = strstr(line, QS_PROXYPR_TAB); + if(command == NULL) { + command = strstr(line, QS_PROXYR); + cmd_len = strlen(QS_PROXYR); + } + if(command == NULL) command = strstr(line, QS_PROXYR_TAB); + if(command && strchr(line, '#') == 0) { + /* command = cmd url schema://host[:port]/url */ + char *abs_url = &command[cmd_len]; + int i, j; + + /* get the url */ + for(i=0;(abs_url[i] == ' ') || (abs_url[i] == '\t'); i++); + abs_url = &abs_url[i]; + + /* skip url */ + for(i=0;(abs_url[i] != ' ') && (abs_url[i] != '\t') && (abs_url[i] != '\0'); i++); + abs_url = &abs_url[i]; + + /* get schema://host[:port]/url */ + for(i=0;(abs_url[i] == ' ') || (abs_url[i] == '\t'); i++); + abs_url = &abs_url[i]; + + /* ping */ + if(abs_url && abs_url[0] != '\0' && abs_url[0] != '!') { + status = status & checkHost(cmd, filename, ln, abs_url); + } + } else { + /* include commands */ + command = strstr(line, QS_INCLUDE); + if(command == NULL) command = strstr(line, QS_INCLUDE_TAB); + if(command && strchr(line, '#') == 0) { + char *file = &command[strlen(QS_INCLUDE)]; + int i, j; + /* get the value */ + for(i=0;(file[i] == ' ') || (file[i] == '\t'); i++); + /* delete spaces at the end of the value */ + if(&file[i] != '\0') { + for(j=i+1;(file[j] != ' ') && (file[j] != '\t') && (file[j] != '\0'); j++); + file[j] = '\0'; + } + file = &file[i]; + status = status & checkFile(cmd, file); + } else { + /* server root */ + command = strstr(line, QS_SERVERROOT); + if(command == NULL) command = strstr(line, QS_SERVERROOT_TAB); + if(command && strchr(line, '#') == 0) { + char *sr = &command[strlen(QS_SERVERROOT)]; + int i, j; + /* get the value */ + for(i=0;(sr[i] == ' ') || (sr[i] == '\t'); i++); + /* delete spaces at the end of the value */ + if(&sr[i] != '\0') { + for(j=i+1;(sr[j] != ' ') && (sr[j] != '\t') && (sr[j] != '\0'); j++); + sr[j] = '\0'; + } + strcpy(ServerRoot, &sr[i]); + } + } + } + } + fclose(f); + return status; +} + +int main(int argc, char **argv) { + char *config = NULL; + char *cmd = strrchr(argv[0], '/'); + char *single = NULL; + int status = 1; + if(cmd == NULL) { + cmd = argv[0]; + } else { + cmd++; + } + ServerRoot[0] = '\0'; + while(argc >= 1) { + if(strcmp(*argv,"-c") == 0) { + if (--argc >= 1) { + config = *(++argv); + } + } else if(strcmp(*argv,"-i") == 0) { + if (--argc >= 1) { + single = *(++argv); + } + } else if(strcmp(*argv,"-v") == 0) { + m_verbose = 1; + } + argc--; + argv++; + } + if(single) { + char *hostName = single; + char *portNumber = strchr(single, ':'); + if(portNumber) { + unsigned long addr; + int prt; + portNumber[0] = '\0'; + portNumber++; + addr = getAddress(hostName); + prt = atoi(portNumber); + if(addr && prt) { + if(ping(addr, prt)) { + if(m_verbose) { + printf("[%s]: %s:%d Up\n", cmd, hostName, prt); + } + status = 1; + } else { + printf("[%s]: %s:%d Down\n", cmd, hostName, prt); + status = 0; + } + } else { + // could not resolve + fprintf(stderr,"[%s]: ERROR, unknown host/port\n", cmd); + status = 0; + } + } else { + // invalid input + fprintf(stderr,"[%s]: ERROR, invalid format\n", cmd); + status = 0; + } + } else { + if(config == NULL) { + usage(cmd); + } + status = checkFile(cmd, config); + } + if(status == 0) { + fprintf(stderr,"[%s]: ERROR, check failed\n", cmd); + exit(1); + } + printf("[%s]: OK, check successful\n", cmd); + return 0; +} diff --git a/tools/src/qsdt.c b/tools/src/qsdt.c new file mode 100644 index 0000000..b2c9747 --- /dev/null +++ b/tools/src/qsdt.c @@ -0,0 +1,336 @@ +/** + * Utility for the quality of service module mod_qos. + * + * qsdt.c: simple tool to measure the elapse time between + * related log messages + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include <stdio.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +#include <sys/types.h> +#include <regex.h> + +#include <apr.h> +#include <apr_portable.h> +#include <apr_strings.h> + +#include "qs_util.h" + +#define MAX_REG_MATCH 10 + +#define TIMESTR "%H:%M:%S" +#define TIMEEX "([0-9]{2}:[0-9]{2}:[0-9]{2})[.,]([0-9]{3})" + +typedef struct { + time_t seconds; + int milliseconds; + char *id; +} entry_t; + + +static void usage(const char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s calculates the elapsed time between two related log messages.\n", cmd); + printf("\n"); + + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s [-t <regex>] -i <regex> -s <regex> -e <regex> [-v] [<path>]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s is a simple tool to search two different messages\n", cmd); + qs_man_print(man, "in a log file and calculates the elapsed time between these\n"); + qs_man_print(man, "lines. The two log messages need a common identifier such an\n"); + qs_man_print(man, "unique request id (UNIQUE_ID), a thread id, or a transaction\n"); + qs_man_print(man, "code.\n"); + printf("\n"); + + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -t <regex>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines a pattern (regular expression) matching the log line's\n"); + qs_man_print(man, " timestamp. The pattern must include two sub-expressions, one matching\n"); + qs_man_print(man, " hours, minutes and seconds the other matching the milliseconds.\n"); + qs_man_print(man, " Default pattern is "TIMEEX"\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -i <regex>\n"); + if(man) printf("\n"); + qs_man_print(man, " Pattern (regular expression) matching the identifier which the two\n"); + qs_man_print(man, " messages have in common. The sub-expression defines the part which\n"); + qs_man_print(man, " needs to be extracted from the matching string. Note: You can also\n"); + qs_man_print(man, " use the start (-s) and end (-e) pattern to define the sub-expression\n"); + qs_man_print(man, " matching this identifier.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -s <regex>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the pattern (regular expression or literal string)\n"); + qs_man_print(man, " identifying the first (start) of the two messages.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -e <regex>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the pattern (regular expression or literal string)\n"); + qs_man_print(man, " identifying the second (end) of the two messages.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -v\n"); + if(man) printf("\n"); + qs_man_print(man, " Verbose mode.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the input file to process. %s reads from\n", cmd); + qs_man_print(man, " from standard input if this parameter is omitted.\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + printf("Sample command line arguments:\n"); + printf("\n"); + } else { + printf(" Sample arguments:\n"); + } + qs_man_println(man, " -i ' ([a-z0-9]+) [A-Z]+ ' -s 'Received Request' -e 'Received Response'\n"); + printf("\n"); + qs_man_println(man, " matching those sample log messages:\n"); + qs_man_println(man, " 2018-03-12 16:34:08.653 threadid23 INFO Received Request\n"); + qs_man_println(man, " 2018-03-13 16:35:09.891 threadid23 DEBUG MessageHandler Received Response\n"); + printf("\n"); + if(man) { + printf(".SH NOTE\n"); + } else { + printf("Notes:\n"); + } + qs_man_println(man, "The four patterns (t,i,s,e) are concatenated into two search patterns:\n"); + qs_man_println(man, " first (start): [t (HH:MM:SS)(SSS) ].*[i (id) ].*[s ]\n"); + qs_man_println(man, " second (end): [t (HH:MM:SS)(SSS) ].*[i (id) ].*[e ]\n"); + printf("\n"); + qs_man_print(man, "And the three sub-expression are used to extract the timestamp and the\n"); + qs_man_print(man, "unique identifier that the start and end message have in common.\n"); + qs_man_print(man, "This means that you could specify the sub-expression for the unique\n"); + qs_man_print(man, "identifier in the start (-s) or end (-e) pattern alternatively, e.g. in\n"); + qs_man_print(man, "case the identifier is at the end of the log line.\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + + +int main(int argc, const char *const argv[]) { + FILE *file; + char line[MAX_LINE]; + int verbose = 0; + + const char *cmd = strrchr(argv[0], '/'); + + apr_pool_t *pool; + apr_table_t *inmsg; + + regmatch_t ma[MAX_REG_MATCH]; + regex_t pregstart; + regex_t pregend; + + const char *timeex = TIMEEX; + const char *idex = NULL; + const char *startex = NULL; + const char *endex = NULL; + const char *filename = NULL; + + char *regexStr; + + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + inmsg = apr_table_make(pool, 100); + + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-t") == 0) { + if (--argc >= 1) { + timeex = *(++argv); + } + } else if(strcmp(*argv,"-i") == 0) { + if (--argc >= 1) { + idex = *(++argv); + } + } else if(strcmp(*argv,"-s") == 0) { + if (--argc >= 1) { + startex = *(++argv); + } + } else if(strcmp(*argv,"-e") == 0) { + if (--argc >= 1) { + endex = *(++argv); + } + } else if(strcmp(*argv,"-v") == 0) { + verbose = 1; + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + filename = *argv; + } + argc--; + argv++; + } + + if(idex == NULL || startex == NULL || endex == NULL) { + usage(cmd, 0); + } + + if(filename) { + file = fopen(filename, "r"); + if(!file) { + fprintf(stderr, "ERROR, failed to open the log file '%s'\n", filename); + exit(1); + } + } else { + file = stdin; + } + + + regexStr = apr_psprintf(pool, "%s.*%s.*%s", timeex, idex, startex); + if(verbose) { + fprintf(stderr, "start pattern: %s\n", regexStr); + } + if(regcomp(&pregstart, regexStr, REG_EXTENDED)) { + fprintf(stderr, "ERROR, could not compile %s\n", regexStr); + exit(1); + }; + regexStr = apr_psprintf(pool, "%s.*%s.*%s", timeex, idex, endex); + if(verbose) { + fprintf(stderr, "end pattern: %s\n", regexStr); + } + if(regcomp(&pregend, regexStr, REG_EXTENDED)) { + fprintf(stderr, "ERROR, could not compile %s\n", regexStr); + exit(1); + }; + + while(fgets(line, MAX_LINE-1, file) != NULL) { + char *hms; + char *ms; + char *id; + if(regexec(&pregstart, line, MAX_REG_MATCH, ma, 0) == 0) { + entry_t *entry = calloc(1, sizeof(entry_t)); + struct tm tm; + if(ma[3].rm_so == -1) { + fprintf(stderr, "ERROR, invalid regular expression (missing sub-expression in pattern)\n"); + exit(1); + } + hms = &line[ma[1].rm_so]; + ms = &line[ma[2].rm_so]; + id = &line[ma[3].rm_so]; + line[ma[1].rm_eo] = '\0'; + line[ma[2].rm_eo] = '\0'; + line[ma[3].rm_eo] = '\0'; + strptime(hms, TIMESTR, &tm); + entry->seconds = mktime(&tm); + entry->milliseconds = atoi(ms); + entry->id = calloc(strlen(id)+1, sizeof(char)); + sprintf(entry->id, "%s", id); + if(verbose) { + fprintf(stderr, "START [%s][%s][%s] %lu %d\n", + hms, ms, id, entry->seconds, entry->milliseconds); + } + apr_table_setn(inmsg, entry->id, (char *)entry); + } else if(regexec(&pregend, line, MAX_REG_MATCH, ma, 0) == 0) { + entry_t entry; + entry_t *start; + struct tm tm; + if(ma[3].rm_so == -1) { + fprintf(stderr, "ERROR, invalid regular expression (missing sub-expression in pattern)\n"); + exit(1); + } + hms = &line[ma[1].rm_so]; + ms = &line[ma[2].rm_so]; + id = &line[ma[3].rm_so]; + line[ma[1].rm_eo] = '\0'; + line[ma[2].rm_eo] = '\0'; + line[ma[3].rm_eo] = '\0'; + strptime(hms, TIMESTR, &tm); + entry.seconds = mktime(&tm); + entry.milliseconds = atoi(ms); + if(verbose) { + fprintf(stderr, "END [%s][%s][%s] %lu %d\n", + hms, ms, id, entry.seconds, entry.milliseconds); + } + start = (entry_t *)apr_table_get(inmsg, id); + if(start) { + printf("@%s %s %10lu [ms]\n", + line, + id, + (entry.seconds-start->seconds)*1000 + entry.milliseconds-start->milliseconds); + apr_table_unset(inmsg, id); + free(start->id); + free(start); + } + } + } + fclose(file); + + return 0; +} diff --git a/tools/src/qsexec.c b/tools/src/qsexec.c new file mode 100644 index 0000000..8a56b3e --- /dev/null +++ b/tools/src/qsexec.c @@ -0,0 +1,376 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Command line execution utility for the quality of service module mod_qos. + * + * See http://mod-qos.sourceforge.net/ for further details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qsexec.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +/* system */ +#include <stdio.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +/* apr */ +#include <apr.h> +#include <apr_strings.h> +#include <apr_file_io.h> +#include <apr_time.h> +#include <apr_getopt.h> +#include <apr_general.h> +#include <apr_lib.h> +#include <apr_portable.h> +#include <apr_support.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" + +#ifndef POSIX_MALLOC_THRESHOLD +#define POSIX_MALLOC_THRESHOLD (10) +#endif + +/* same as APR_SIZE_MAX which doesn't appear until APR 1.3 */ +#define QSUTIL_SIZE_MAX (~((apr_size_t)0)) + +typedef struct { + int rm_so; + int rm_eo; +} regmatch_t; + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\n", qs_CMD(cmd), man_date, man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + printf("%s %s- parses the data received via stdin and executes the defined command on a pattern match.\n", + cmd, man ? "\\" : ""); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -e <pattern> [-t <number>:<sec>] [-c <pattern> [<command string>]]\n", man ? "" : "Usage: ", cmd); + qs_man_print(man, " [-p] [-u <user>] <command string>\n"); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s reads log lines from stdin and searches for the defined pattern.\n", cmd); + qs_man_print(man, "It executes the defined command string on pattern match.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -e <pattern>\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies the search pattern causing an event which shall trigger the\n"); + qs_man_print(man, " command.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -t <number>:<sec>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the number of pattern match within the the defined number of\n"); + qs_man_print(man, " seconds in order to trigger the command execution. By default, every\n"); + qs_man_print(man, " pattern match causes a command execution.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -c <pattern> [<command string>]\n"); + if(man) printf("\n"); + qs_man_print(man, " Pattern which clears the event counter. Executes optionally a command\n"); + qs_man_print(man, " if an event command has been executed before.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p\n"); + if(man) printf("\n"); + qs_man_print(man, " Writes data also to stdout (for piped logging).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -u <name>\n"); + if(man) printf("\n"); + qs_man_print(man, " Become another user, e.g. www-data.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " <command string>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the event command string where $0-$9 are substituted by the\n"); + qs_man_print(man, " submatches of the regular expression.\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + } else { + printf("Example:\n"); + } + qs_man_print(man, "Executes the deny.sh script providing the IP address of the\n"); + qs_man_print(man, "client causing a mod_qos(031) messages whenever the log message\n"); + qs_man_print(man, "appears 10 times within at most one minute:\n"); + if(man) printf("\n"); + qs_man_println(man, " ErrorLog \"|/usr/bin/%s -e \\'mod_qos\\(031\\).*, c=([0-9a-zA-Z:.]*)\\' -t 10:60 \\'/usr/local/bin/deny.sh $1\\'\"\n", cmd); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +/* + * Substitutes for $0-$9 within the matching string. + * See ap_pregsub(). + */ +char *qs_pregsub(apr_pool_t *pool, const char *input, + const char *source, size_t nmatch, + qs_regmatch_t pmatch[]) { + const char *src = input; + char *dest, *dst; + char c; + size_t no; + int len; + if(!source) { + return NULL; + } + if(!nmatch) { + return apr_pstrdup(pool, src); + } + /* First pass, find the size */ + len = 0; + while((c = *src++) != '\0') { + if(c == '&') + no = 0; + else if (c == '$' && apr_isdigit(*src)) + no = *src++ - '0'; + else + no = 10; + + if (no > 9) { /* Ordinary character. */ + if (c == '\\' && (*src == '$' || *src == '&')) + src++; + len++; + } + else if (no < nmatch && pmatch[no].rm_so < pmatch[no].rm_eo) { + if(QSUTIL_SIZE_MAX - len <= pmatch[no].rm_eo - pmatch[no].rm_so) { + fprintf(stderr, "ERROR, integer overflow or out of memory condition"); + return NULL; + } + len += pmatch[no].rm_eo - pmatch[no].rm_so; + } + + } + dest = dst = apr_pcalloc(pool, len + 1); + /* Now actually fill in the string */ + src = input; + while ((c = *src++) != '\0') { + if (c == '&') + no = 0; + else if (c == '$' && apr_isdigit(*src)) + no = *src++ - '0'; + else + no = 10; + + if (no > 9) { /* Ordinary character. */ + if (c == '\\' && (*src == '$' || *src == '&')) + c = *src++; + *dst++ = c; + } + else if (no < nmatch && pmatch[no].rm_so < pmatch[no].rm_eo) { + len = pmatch[no].rm_eo - pmatch[no].rm_so; + memcpy(dst, source + pmatch[no].rm_so, len); + dst += len; + } + } + *dst = '\0'; + return dest; +} + +int main(int argc, const char * const argv[]) { + const char *username = NULL; + int nr = 0; + char *line = calloc(1, MAX_LINE_BUFFER+1); + apr_pool_t *pool; + char *cmd = strrchr(argv[0], '/'); + const char *command = NULL; + const char *pattern = NULL; + const char *clearcommand = NULL; + const char *clearpattern = NULL; + int executed = 0; + qs_regex_t *preg; + qs_regex_t *clearpreg; + qs_regmatch_t regm[QS_MAX_REG_MATCH]; + time_t sec = 0; + int threshold = 0; + int counter = 0; + time_t countertime; + static int pass = 0; + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-e") == 0) { + if (--argc >= 1) { + pattern = *(++argv); + } + } else if(strcmp(*argv,"-u") == 0) { + if (--argc >= 1) { + username = *(++argv); + } + } else if(strcmp(*argv,"-c") == 0) { + if (--argc >= 1) { + clearpattern = *(++argv); + if (argc >=1 && *argv[0] != '-') { + clearcommand = *(++argv); + argc--; + } + } + } else if(argc >= 1 && strcmp(*argv,"-t") == 0) { + if (--argc >= 1) { + char *str = apr_pstrdup(pool, *(++argv)); + char *tme = strchr(str, ':'); + if(tme == NULL) { + fprintf(stderr,"[%s]: ERROR, invalid number:sec format\n", cmd); + exit(1); + } + tme[0] = '\0'; + tme++; + threshold = atoi(str); + sec = atol(tme); + if(threshold == 0 || sec == 0) { + fprintf(stderr,"[%s]: ERROR, invalid number:sec format\n", cmd); + exit(1); + } + } + } else if(argc >= 1 && strcmp(*argv,"-p") == 0) { + pass = 1; + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + command = *argv; + } + argc--; + argv++; + } + + if(pattern == NULL || command == NULL) { + usage(cmd, 0); + } + + qs_setuid(username, cmd); + + preg = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(preg, pattern, PCRE2_DOTALL) != 0) { + fprintf(stderr, "ERROR, could not compile '%s'\n", pattern); + exit(1); + } + apr_pool_pre_cleanup_register(pool, preg, qs_pregfree); + if(clearpattern) { + clearpreg = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(clearpreg, clearpattern, PCRE2_DOTALL) != 0) { + fprintf(stderr, "ERROR, could not compile '%s'\n", clearpattern); + exit(1); + } + apr_pool_pre_cleanup_register(pool, clearpattern, qs_pregfree); + } + + while(fgets(line, MAX_LINE_BUFFER, stdin) != NULL) { + size_t len; + nr++; + if(pass) { + printf("%s", line); + fflush(stdout); + } + len = strlen(line); + if(clearpattern && (qs_regexec_len(clearpreg, line, len, QS_MAX_REG_MATCH, regm, 0) >= 0)) { + apr_pool_t *subpool; + apr_pool_create(&subpool, pool); + counter = 0; + countertime = 0; + if(clearcommand && executed) { + char *replaced = qs_pregsub(subpool, clearcommand, line, QS_MAX_REG_MATCH, regm); + if(!replaced) { + fprintf(stderr, "[%s]: ERROR, failed to substitute" + " submatches '%s' in (%s)\n", cmd, clearcommand, line); + } else { + int rc = system(replaced); + } + executed = 0; + } + apr_pool_destroy(subpool); + } else if(qs_regexec_len(preg, line, len, QS_MAX_REG_MATCH, regm, 0) >= 0) { + apr_pool_t *subpool; + char *replaced; + apr_pool_create(&subpool, pool); + replaced = qs_pregsub(subpool, command, line, QS_MAX_REG_MATCH, regm); + if(!replaced) { + fprintf(stderr, "[%s]: ERROR, failed to substitute" + " submatches '%s' in (%s)\n", cmd, command, line); + } else { + counter++; + if(counter == 1) { + countertime = time(NULL); + } + if(counter >= threshold) { + if(countertime + sec >= time(NULL)) { + int rc = system(replaced); + executed = 1; + } + countertime = 0; + counter = 0; + } + } + apr_pool_destroy(subpool); + } + } + + apr_pool_destroy(pool); + return 0; +} diff --git a/tools/src/qsfilter2.c b/tools/src/qsfilter2.c new file mode 100644 index 0000000..603085e --- /dev/null +++ b/tools/src/qsfilter2.c @@ -0,0 +1,1826 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Filter utilities for the quality of service module mod_qos + * used to create allow list rules for request line filters. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qsfilter2.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +/* system */ +#include <stdio.h> +#include <errno.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +/* apr */ +#include <apr.h> +#include <apr_uri.h> +#include <apr_signal.h> +#include <apr_strings.h> +#include <apr_network_io.h> +#include <apr_file_io.h> +#include <apr_time.h> +#include <apr_getopt.h> +#include <apr_general.h> +#include <apr_lib.h> +#include <apr_portable.h> +#include <apr_thread_proc.h> +#include <apr_thread_cond.h> +#include <apr_thread_mutex.h> +#include <apr_support.h> +//#include <ap_config.h> + +/* OpenSSL */ +#include <openssl/safestack.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" + +#define MAX_LINE 32768 +/* 2mb */ +#define MAX_BODY_BUFFER 2097152 +#define CR 13 +#define LF 10 + +typedef enum { + QS_UT_PATH, + QS_UT_QUERY +} qs_url_type_e; + +#define QS_PCRE_RESERVED "{}[]()^$.|*+?\\-" +//#define QS_PCRE_RESERVED "{}[]()^$.|*+?\"'\\-" + +/* reserved (to be escaped): {}[]()^$.|*+?\- */ +#define QS_UNRESERVED "a-zA-Z0-9-\\._~% " +#define QS_GEN ":/\\?#\\[\\]@" +#define QS_SUB "!$&'\\(\\)\\*\\+,;=" +#define QS_SUB_S "!$&\\(\\)\\*\\+,;=" + +#define QS_SIMPLE_PATH_PCRE "(/[a-zA-Z0-9\\-_]+)+[/]?\\.?[a-zA-Z]{0,4}" +#define QS_B64 "([a-z]+[a-z0-9]*[A-Z]+[A-Z0-9]*)" +#define QS_HX "([A-F0-9]*[A-F]+[0-9]+[A-F0-9]*)" + +#define QS_OVECCOUNT 3 + +/* request line detection */ +#define QOSC_REQ "(OPTIONS|GET|HEAD|POST|PUT|DELETE|TRACE|CONNECT|PROPFIND|PROPPATCH|MKCOL|COPY|MOVE|LOCK|UNLOCK|VERSION-CONTROL|REPORT|CHECKOUT|CHECKIN|UNCHECKOUT|MKWORKSPACE|UPDATE|LABEL|MERGE|BASELINE-CONTROL|MKACTIVITY|ORDERPATCH|ACL|PATCH|SEARCH|BCOPY|BDELETE|BMOVE|BPROPFIND|BPROPPATCH|NOTIFY|POLL|SUBSCRIBE|UNSUBSCRIBE|X-MS-ENUMATTS|RPC_IN_DATA|RPC_OUT_DATA) (/[\x20-\x21\x23-\xFF]*) HTTP/" + +qs_regex_t *pcre_b64; +qs_regex_t *pcre_hx; +qs_regex_t *pcre_simple_path; + +#define QOS_DEC_MODE_FLAGS_URL 0x00 +#define QOS_DEC_MODE_FLAGS_HTML 0x01 +#define QOS_DEC_MODE_FLAGS_UNI 0x02 +#define QOS_DEC_MODE_FLAGS_ANSI 0x04 + +/* global variables to store settings */ +static int m_mode = QOS_DEC_MODE_FLAGS_URL; +static int m_base64 = 5; +static int m_verbose = 1; +static int m_path_depth = 1; +static int m_redundant = 1; +static int m_query_pcre = 0; +static int m_query_multi_pcre = 0; +static int m_query_o_pcre = 0; +static int m_query_single_pcre = 0; +static int m_query_len_pcre = 10; +static int m_exit_on_error = 0; +static int m_handler = 0; +static qs_regex_t *m_req_regex = NULL; +static int m_log_req_regex = 0; +static const char *m_pfx = NULL; +static const char *m_filter = NULL; + +typedef struct { + qs_regex_t *pcre; + char *rule; + char *path; + char *query_m_string; + char *query_m_pcre; + int fragment; +} qs_rule_t; + + +/* openssl stack compare function used to sort the rules */ +int STACK_qs_cmp(const char * const *_pA, const char * const *_pB) { + qs_rule_t *pA=*(( qs_rule_t **)_pA); + qs_rule_t *pB=*(( qs_rule_t **)_pB); + return strcmp(pA->rule,pB->rule); +} + +/* compiles a pcre (exit on error) */ +static qs_regex_t *qos_pcre_compile(apr_pool_t *pool, char *pattern, int option) { + qs_regex_t *preg = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(preg, pattern, PCRE2_DOTALL|option) != 0) { + fprintf(stderr, "ERROR, rule <%s> could not compile pcre\n", pattern); + exit(1); + } + apr_pool_pre_cleanup_register(pool, preg, qs_pregfree); + return preg; +} + +/* tries to detect base64/hex patterns (mix of upper and lower case characters) */ +static char *qos_detect_b64(char *line, int silent) { + qs_regmatch_t regm[QS_MAX_REG_MATCH]; + int rc_c = qs_regexec_len(pcre_b64, line, strlen(line), QS_MAX_REG_MATCH, regm, 0); + if(rc_c >= 0) { + if((m_verbose > 1) && !silent) printf(" B64: %.*s\n", + regm[0].rm_eo - regm[0].rm_so, &line[regm[0].rm_so]); + return &line[regm[0].rm_so]; + } + rc_c = qs_regexec_len(pcre_hx, line, strlen(line), QS_MAX_REG_MATCH, regm, 0); + if(rc_c >= 0) { + if((m_verbose > 1) && !silent) printf(" HX: %.*s\n", + regm[0].rm_eo - regm[0].rm_so, &line[regm[0].rm_so]); + return &line[regm[0].rm_so]; + } + return NULL; +} + +/* escape double quotes and backslash (to be used for Apache directive) */ +static char *qs_apache_escape(apr_pool_t *pool, const char *line) { + char *ret = apr_pcalloc(pool, strlen(line) * 4); + int i = 0; + const char *in = line; + while(in && in[0]) { + if(in[0] == '"') { + ret[i] = '\\'; + i++; + ret[i] = 'x'; + i++; + ret[i] = '2'; + i++; + ret[i] = '2'; + i++; + } else if(in[0] == '\\' && in[1] == '\\') { + ret[i] = '\\'; + i++; + ret[i] = 'x'; + i++; + ret[i] = '5'; + i++; + ret[i] = 'c'; + i++; + in++; + } else { + ret[i] = (char)in[0]; + i++; + } + in++; + } + return ret; +} + +/* escape a string in order to be used withn a pcre */ +static char *qos_escape_pcre(apr_pool_t *pool, char *line) { + int i = 0; + unsigned char prev = 0; + unsigned char *in = (unsigned char *)line; + char *ret = apr_pcalloc(pool, strlen(line) * 4); + int reti = 0; + if(strlen(line) == 0) return ""; + while(in[i]) { + if(strchr(QS_PCRE_RESERVED, in[i]) != NULL) { + if(prev && (prev == '\\')) { + /* already escaped */ + ret[reti] = in[i]; + reti++; + } else if(prev && (in[i] == '\\') && (strchr(QS_PCRE_RESERVED, in[i+1]) != NULL)) { + /* escape char */ + ret[reti] = in[i]; + reti++; + } else { + ret[reti] = '\\'; + reti++; + ret[reti] = in[i]; + reti++; + } + } else if((in[i] < ' ') || (in[i] > '~')) { + sprintf(&ret[reti], "\\x%02x", in[i]); + reti = reti + 4; + } else { + ret[reti] = in[i]; + reti++; + } + prev = in[i]; + i++; + } + return ret; +} + +/* helper for url decoding */ +static int qos_hex2c(const char *x) { + int i, ch; + ch = x[0]; + if (isdigit(ch)) { + i = ch - '0'; + }else if (isupper(ch)) { + i = ch - ('A' - 10); + } else { + i = ch - ('a' - 10); + } + i <<= 4; + + ch = x[1]; + if (isdigit(ch)) { + i += ch - '0'; + } else if (isupper(ch)) { + i += ch - ('A' - 10); + } else { + i += ch - ('a' - 10); + } + return i; +} + +static int qos_ishex(char x) { + if((x >= '0') && (x <= '9')) return 1; + if((x >= 'a') && (x <= 'f')) return 1; + if((x >= 'A') && (x <= 'F')) return 1; + return 0; +} + +/* url decoding */ +static int qos_unescaping(char *x) { + int i, j, ch; + if (x[0] == '\0') + return 0; + for (i = 0, j = 0; x[i] != '\0'; i++, j++) { + ch = x[i]; + if(ch == '%' && qos_ishex(x[i + 1]) && qos_ishex(x[i + 2])) { + ch = qos_hex2c(&x[i + 1]); + i += 2; + } else if((m_mode & QOS_DEC_MODE_FLAGS_UNI) && + ((ch == '%') || (ch == '\\')) && + ((x[i + 1] == 'u') || (x[i + 1] == 'U')) && + qos_ishex(x[i + 2]) && + qos_ishex(x[i + 3]) && + qos_ishex(x[i + 4]) && + qos_ishex(x[i + 5])) { + /* unicode %uXXXX */ + ch = qos_hex2c(&x[i + 4]); + if((ch > 0x00) && (ch < 0x5f) && + ((x[i + 2] == 'f') || (x[i + 2] == 'F')) && + ((x[i + 3] == 'f') || (x[i + 3] == 'F'))) { + ch += 0x20; + } + i += 5; + } else if (ch == '\\' && (x[i + 1] == 'x') && qos_ishex(x[i + 2]) && qos_ishex(x[i + 3])) { + ch = qos_hex2c(&x[i + 2]); + i += 3; + } else if (ch == '+') { + ch = ' '; + } + x[j] = ch; + } + x[j] = '\0'; + if(strlen(x) != j) { + fprintf(stderr, "WARNING, found escaped null char %s\n", x); + } + return j; +} + +static int qos_fgetline(char *s, int n, FILE *f) { + register int i = 0; + while (1) { + s[i] = (char) fgetc(f); + if (s[i] == CR) { + s[i] = fgetc(f); + } + if ((s[i] == 0x4) || (s[i] == LF) || (i == (n - 1))) { + s[i] = '\0'; + return (feof(f) ? 1 : 0); + } + ++i; + } +} + +/* init global pcre */ +static void qos_init_pcre(apr_pool_t *pool) { + char buf[1024]; + sprintf(buf, "%s{%d,}", QS_B64, m_base64); + pcre_b64 = qos_pcre_compile(pool, buf, 0); + sprintf(buf, "%s{%d,}", QS_HX, m_base64); + pcre_hx = qos_pcre_compile(pool, buf, 0); + pcre_simple_path = qos_pcre_compile(pool, "^"QS_SIMPLE_PATH_PCRE"$", 0); + m_req_regex = qos_pcre_compile(pool, QOSC_REQ, 0); +} + +static void usage(char *cmd, int man) { + char space[1024]; + memset(space, ' ', 1024); + space[strlen(cmd)] = '\0'; + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - an utility to generate mod_qos request line rules out from\n", + cmd); + qs_man_print(man, "existing access/audit log data.\n"); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -i <path> [-c <path>] [-d <num>] [-h] [-b <num>]\n", man ? "" : "Usage: ", cmd); + qs_man_print(man, " %s [-p|-s|-m|-o] [-l <len>] [-n] [-e] [-u 'uni']\n", space); + qs_man_print(man, " %s [-k <prefix>] [-t] [-f <path>] [-v 0|1|2]\n", space); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, " mod_qos implements a request filter which validates each request\n"); + qs_man_print(man, " line. The module supports both, negative and positive security\n"); + qs_man_print(man, " model. The QS_Deny* directives are used to specify request line\n"); + qs_man_print(man, " patterns which are not allowed to access the server (negative\n"); + qs_man_print(man, " security model / deny list). These rules are used to restrict\n"); + qs_man_print(man, " access to certain resources which should not be available to\n"); + qs_man_print(man, " users or to protect the server from malicious patterns. The\n"); + qs_man_print(man, " QS_Permit* rules implement a positive security model (allow list).\n"); + qs_man_print(man, " These directives are used to define allowed request line patterns.\n"); + qs_man_print(man, " Request which do not match any of these patterns are not allowed\n"); + qs_man_print(man, " to access the server.\n"); + if(man) printf("\n\n"); + qs_man_print(man, " %s is an audit log analyzer used to generate filter\n", cmd); + qs_man_print(man, " rules (perl compatible regular expressions) which may be used\n"); + qs_man_print(man, " by mod_qos to deny access for suspect requests (QS_PermitUri rules).\n"); + qs_man_print(man, " It parses existing audit log files in order to generate request\n"); + qs_man_print(man, " patterns covering all allowed requests.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -i <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Input file containing request URIs.\n"); + qs_man_print(man, " The URIs for this file have to be extracted from the servers\n"); + qs_man_print(man, " access logs. Each line of the input file contains a request\n"); + qs_man_print(man, " URI consisting of a path and and query.\n"); + printf("\n"); + printf(" Example:\n"); + qs_man_println(man, " /aaa/index.do\n"); + qs_man_println(man, " /aaa/edit?image=1.jpg\n"); + qs_man_println(man, " /aaa/image/1.jpg\n"); + qs_man_println(man, " /aaa/view?page=1\n"); + qs_man_println(man, " /aaa/edit?document=1\n"); + printf("\n"); + qs_man_print(man, " These access log data must include current request URIs but\n"); + qs_man_print(man, " also request lines from previous rule generation steps. It\n"); + qs_man_print(man, " must also include request lines which cover manually generated\n"); + qs_man_print(man, " rules.\n"); + qs_man_print(man, " You may use the 'qos-path' and 'qos-query' variables to create\n"); + qs_man_print(man, " an audit log containing all request data (path and query/body data).\n"); + qs_man_print(man, " Example: 'CustomLog audit_log %{qos-path}n%{qos-query}n'.\n"); + qs_man_print(man, " See also http://mod-qos.sourceforge.net#qsfiltersample about\n"); + qs_man_print(man, " the module settings.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -c <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " mod_qos configuration file defining QS_DenyRequestLine and\n"); + qs_man_print(man, " QS_PermitUri directives.\n"); + qs_man_print(man, " %s generates rules from access log data automatically.\n", cmd); + qs_man_print(man, " Manually generated rules (QS_PermitUri) may be provided from\n"); + qs_man_print(man, " this file. Note: each manual rule must be represented by a\n"); + qs_man_print(man, " request URI in the input data (-i) in order to make sure not\n"); + qs_man_print(man, " to be deleted by the rule optimisation algorithm.\n"); + qs_man_print(man, " QS_Deny* rules from this file are used to filter request lines\n"); + qs_man_print(man, " which should not be used for allow list rule generation.\n"); + printf("\n"); + printf(" Example:\n"); + qs_man_println(man, " # manually defined allow list rule:\n"); + qs_man_println(man, " QS_PermitUri +view deny \"^[/a-zA-Z0-9]+/view\\?(page=[0-9]+)?$\"\n"); + qs_man_println(man, " # filter unwanted request line patterns:\n"); + qs_man_println(man, " QS_DenyRequestLine +printable deny \".*[\\x00-\\x19].*\"\n"); + printf("\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -d <num>\n"); + if(man) printf("\n"); + qs_man_print(man, " Depth (sub locations) of the path string which is defined as a\n"); + qs_man_print(man, " literal string. Default is 1.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -h\n"); + if(man) printf("\n"); + qs_man_print(man, " Always use a string representing the handler name in the path even\n"); + qs_man_print(man, " the url does not have a query. See also -d option.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -b <num>\n"); + if(man) printf("\n"); + qs_man_print(man, " Replaces url pattern by the regular expression when detecting\n"); + qs_man_print(man, " a base64/hex encoded string. Detecting sensibility is defined by a\n"); + qs_man_print(man, " numeric value. You should use values higher than 5 (default)\n"); + qs_man_print(man, " or 0 to disable this function.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p\n"); + if(man) printf("\n"); + qs_man_print(man, " Represents query by pcre only (no literal strings).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -s\n"); + if(man) printf("\n"); + qs_man_print(man, " Uses one single pcre for the whole query string.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -m\n"); + if(man) printf("\n"); + qs_man_print(man, " Uses one pcre for multiple query values (recommended mode).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -o\n"); + if(man) printf("\n"); + qs_man_print(man, " Does not care the order of query parameters.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -l <len>\n"); + if(man) printf("\n"); + qs_man_print(man, " Outsizes the query length by the defined length ({0,size+len}),\n"); + qs_man_print(man, " default is %d.\n", m_query_len_pcre); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -n\n"); + if(man) printf("\n"); + qs_man_print(man, " Disables redundant rules elimination.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -e\n"); + if(man) printf("\n"); + qs_man_print(man, " Exit on error.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -u 'uni'\n"); + if(man) printf("\n"); + qs_man_print(man, " Enables additional decoding methods. Use the same settings as you have\n"); + qs_man_print(man, " used for the QS_Decoding directive.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -k <prefix>\n"); + if(man) printf("\n"); + qs_man_print(man, " Prefix used to generate rule identifiers (QSF by default).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -t\n"); + if(man) printf("\n"); + qs_man_print(man, " Calculates the maximal latency per request (worst case) using the\n"); + qs_man_print(man, " generated rules.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -f <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Filters the input by the provided path (prefix) only processing\n"); + qs_man_print(man, " matching lines.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -v <level>\n"); + if(man) printf("\n"); + qs_man_print(man, " Verbose mode. (0=silent, 1=rule source, 2=detailed). Default is 1.\n"); + qs_man_print(man, " Don't use rules you haven't checked the request data used to\n"); + qs_man_print(man, " generate it! Level 1 is highly recommended (as long as you don't\n"); + qs_man_print(man, " have created the log data using your own web crawler).\n"); + printf("\n"); + if(man) { + printf(".SH OUTPUT\n"); + } else { + printf("Output\n"); + } + qs_man_print(man, " The output of %s is written to stdout. The output\n", cmd); + qs_man_print(man, " contains the generated QS_PermitUri directives but also\n"); + qs_man_print(man, " information about the source which has been used to generate\n"); + qs_man_print(man, " these rules. It is very important to check the validity of\n"); + qs_man_print(man, " each request line which has been used to calculate the\n"); + qs_man_print(man, " QS_PermitUri rules. Each request line which has been used to\n"); + qs_man_print(man, " generate a new rule is shown in the output prefixed by\n"); + qs_man_print(man, " \"ADD line <line number>:\". These request lines should be\n"); + qs_man_print(man, " stored and reused at any later rule generation (add them to\n"); + qs_man_print(man, " the URI input file). The subsequent line shows the generated\n"); + qs_man_print(man, " rule.\n"); + qs_man_print(man, " At the end of data processing a list of all generated\n"); + qs_man_print(man, " QS_PermitUri rules is shown. These directives may be used\n"); + qs_man_print(man, " withn the configuration file used by mod_qos.\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + } else { + printf("Sample Usage and Output\n"); + } + qs_man_println(man, " %s -i loc.txt -c httpd.conf -m -e\n", cmd); + qs_man_println(man, " ...\n"); + qs_man_println(man, " # ADD line 1: /aaa/index.do\n"); + qs_man_println(man, " # 003 ^(/[a-zA-Z0-9\\-_]+)+[/]?\\.?[a-zA-Z]{0,4}$\n"); + qs_man_println(man, " # ADD line 3: /aaa/view?page=1\n"); + qs_man_println(man, " # --- ^[/a-zA-Z0-9]+/view\\?(page=[0-9]+)?$\n"); + qs_man_println(man, " # ADD line 4: /aaa/edit?document=1\n"); + qs_man_println(man, " # 004 ^[/a-zA-Z]+/edit\\?((document)(=[0-9]*)*[&]?)*$\n"); + qs_man_println(man, " # ADD line 5: /aaa/edit?image=1.jpg\n"); + qs_man_println(man, " # 005 ^[/a-zA-Z]+/edit\\?((image)(=[0-9\\.a-zA-Z]*)*[&]?)*$\n"); + qs_man_println(man, " ...\n"); + qs_man_println(man, " QS_PermitUri +QSF001 deny \"^[/a-zA-Z]+/edit\\?((document|image)(=[0-9\\.a-zA-Z]*)*[&]?)*$\"\n"); + qs_man_println(man, " QS_PermitUri +QSF002 deny \"^[/a-zA-Z0-9]+/view\\?(page=[0-9]+)?$\"\n"); + qs_man_println(man, " QS_PermitUri +QSF003 deny \"^(/[a-zA-Z0-9\\-_]+)+[/]?\\.?[a-zA-Z]{0,4}$\"\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("mod_qos %s\n", man_version); + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +/* worker struct, used for parallel processing */ +typedef struct { + apr_pool_t *pool; + apr_table_t *rules; + apr_table_t *rules_url; + int from; + int to; +} qs_worker_t; + +/* determines, if a rule is really required */ +static apr_table_t *qos_get_used(apr_pool_t *pool, apr_table_t *rules, apr_table_t *rules_url, + int from, int to) { + apr_table_t *used = apr_table_make(pool, 1); + int j; + for(j = from; j < to; j++) { + int l; + apr_table_entry_t *linee = (apr_table_entry_t *)apr_table_elts(rules_url)->elts; + if(m_verbose) { + printf("[%d]", j); + fflush(stdout); + } + for(l = 0; l < apr_table_elts(rules_url)->nelts; l++) { + char *line = linee[l].key; + int i; + int match = 0; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + if(i != j) { + qs_rule_t *rs = (qs_rule_t *)entry[i].val; + if(qs_regexec_len(rs->pcre, line, strlen(line), 0, NULL, 0) >= 0) { + match = 1; + break; + } + } + } + if(!match) { + /* no match, rule j is required */ + apr_table_add(used, entry[j].key, "+"); + } + } + } + return used; +} + +static void *qos_worker(void *argv) { + qs_worker_t *wt = argv; + return qos_get_used(wt->pool, wt->rules, wt->rules_url, wt->from, wt->to); +} + +/* get the characters used withn the string in order to define a pcre */ +static char *qos_2pcre(apr_pool_t *pool, const char *line) { + int hasA = 0; + int hasD = 0; + int hasE = 0; + int hasB = 0; + int i = 0; + unsigned char *in = (unsigned char *)line; + char *ret = apr_pcalloc(pool, strlen(line) * 6); + int reti = 0; + char *existing = ""; + if(strlen(line) == 0) return ""; + while(in[i]) { + if(isdigit(in[i])) { + if(!hasD) { + hasD = 1; + strcpy(&ret[reti], "0-9"); + reti = reti + 3; + } + } else if(isalpha(in[i])) { + if(!hasA) { + hasA = 1; + strcpy(&ret[reti], "a-zA-Z"); + reti = reti + 6; + } + } else if(in[i] == '\\') { + if(!hasE) { + hasE = 1; + strcpy(&ret[reti], "\\\\"); + reti = reti + 2; + } + } else if(in[i] == '-') { + if(!hasB) { + hasB = 1; + strcpy(&ret[reti], "\\-"); + reti = reti + 2; + } + } else if(in[i] == '\0') { + char *ck = apr_psprintf(pool, "#\\x%02x#", in[i]); + if(strstr(existing, ck) == NULL) { + sprintf(&ret[reti], "\\x%02x", in[i]); + reti = reti + 4; + existing = apr_pstrcat(pool, existing, ck, NULL); + } + } else if(strchr(ret, in[i]) == NULL) { + if(strchr(QS_PCRE_RESERVED, in[i]) != NULL) { + ret[reti] = '\\'; + reti++; + ret[reti] = in[i]; + reti++; + } else if((in[i] < ' ') || (in[i] > '~')) { + char *ck = apr_psprintf(pool, "#\\x%02x#", in[i]); + if(strstr(existing, ck) == NULL) { + sprintf(&ret[reti], "\\x%02x", in[i]); + reti = reti + 4; + existing = apr_pstrcat(pool, existing, ck, NULL); + } + } else { + ret[reti] = in[i]; + reti++; + } + } + i++; + } + if(strlen(ret) == 0) return NULL; + ret[reti] = '\0'; + return ret; +} + +/* check for the pattern "p" in "r" using the delimter "d", + returns 1 if it is in the string */ +static int qos_checkstr(apr_pool_t *pool, char *r, char *d, char *p) { + /* + * r = ..|p|.. + * r = p|... + * r = ..|p + * r = p + */ + char *check1 = apr_pstrcat(pool, d, p, d, NULL); + char *check2 = apr_pstrcat(pool, p, d, NULL); + char *check3 = apr_pstrcat(pool, d, p, NULL); + + if(strstr(r, check1) != NULL) { + return 1; + } + if(strncmp(r, check2, strlen(check2)) == 0) { + return 1; + } + if(strlen(r) > strlen(check3)) { + if((strncmp(&r[strlen(r)-strlen(check3)], check3, strlen(check3)) == 0)) { + return 1; + } + } + if(strcmp(r, p) == 0) { + return 1; + } + + return 0; +} + +/* add the string "n" to "o" using the delimiter "d" (only if not + already available */ +static char *qos_addstr(apr_pool_t *pool, char *o, char *d, char *n) { + char *p = apr_pstrdup(pool, n); + char *r = o; + if(n == NULL) return o; + while(p && p[0]) { + char *this = p; + char *next = strchr(p, d[0]); + + /* \| */ + while(next) { + if((next > this) && (next[-1] == '\\')) { + next++; + next = strchr(next, d[0]); + } else { + break; + } + } + if(next == NULL) { + p = NULL; + } else { + next[0] = '\0'; + next++; + p = next; + } + if(!qos_checkstr(pool, r, d, this)) { + r = apr_pstrcat(pool, r, d, this, NULL); + } + } + return r; +} + + +/* create a name=pcre string like this: ((s1|s2)(=[<pcre>]*)*[&]?)*" */ +static char *qos_qqs(apr_pool_t *pool, char *string, char *query_pcre, int singleEq, int hasEq, int startAmp) { + char *se = NULL; + char *s = ""; + if(startAmp) s = "[&]?"; + if(singleEq) { + se = "(=[&]?)*"; + } + if(strlen(query_pcre) > 0) { + return apr_pstrcat(pool, s, "((", string, ")(=[", qos_2pcre(pool, query_pcre), "]*)*[&]?)*", se, NULL); + } else { + if(hasEq && !singleEq) { + se = "(=[&]?)*"; + return apr_pstrcat(pool, s, "(((", string, ")[&]?)*", se, ")*", NULL); + } + return apr_pstrcat(pool, s, "((", string, ")[&]?)*", se, NULL); + } +} + +/* tries to optimize the rules by merging all query into one single pcre matching + all values */ +static void qos_query_optimization(apr_pool_t *pool, apr_table_t *rules) { + apr_table_t *delete = apr_table_make(pool, 1); + apr_table_t *checked_path = apr_table_make(pool, 1); + apr_table_t *new = apr_table_make(pool, 1); + int i, j; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + char *rule_str = entry[i].key; + qs_rule_t *r = (qs_rule_t *)entry[i].val; + if(!r->fragment && r->path && (apr_table_get(checked_path, r->path) == NULL)) { + int merged = 0; + char *query_m_string = r->query_m_string == NULL ? "" : r->query_m_string; + char *query_m_pcre = r->query_m_pcre == NULL ? "" : r->query_m_pcre; + if(m_verbose > 1) printf(" search for path %s (%s)\n", r->path, rule_str); + if(m_verbose > 1) printf(" . %s %s\n", query_m_string, query_m_pcre); + apr_table_add(checked_path, r->path, ""); + /* search for rules with the same path and delete them */ + for(j = 0; j < apr_table_elts(rules)->nelts; j++) { + if(i != j) { + qs_rule_t *n = (qs_rule_t *)entry[j].val; + if(!n->fragment && n->path && (strcmp(r->path, n->path) == 0)) { + if(m_verbose > 1) printf(" + %s %s\n", + n->query_m_string == NULL ? "-" : n->query_m_string, + n->query_m_pcre == NULL ? "-" : n->query_m_pcre); + if(strlen(query_m_string) == 0) { + query_m_string = apr_pstrcat(pool, query_m_string, n->query_m_string, NULL); + } else { + query_m_string = qos_addstr(pool, query_m_string, "|", n->query_m_string); + } + if(m_verbose > 1) printf(" > %s\n", query_m_string); + query_m_pcre = apr_pstrcat(pool, query_m_pcre, n->query_m_pcre, NULL); + apr_table_add(delete, entry[j].key, ""); + merged = 1; + } + } + } + /* update rule if merged to any */ + if(merged) { + apr_table_add(delete, entry[i].key, ""); + if(m_verbose) { + printf("# CHANGE: <%s>", rule_str); + } + { + const char *errptr = NULL; + char *rule = apr_pstrcat(pool, "^", r->path, NULL); + qs_rule_t *rs = apr_pcalloc(pool, sizeof(qs_rule_t)); + if(strlen(query_m_string) > 0) { + rule = apr_pstrcat(pool, rule, "\\?", + qos_qqs(pool, query_m_string, query_m_pcre, 0, 0, 0), NULL); + } + rule = apr_pstrcat(pool, rule, "$", NULL); + rs->pcre = qos_pcre_compile(pool, rule, 0); + rs->path = r->path; + apr_table_setn(new, rule, (char *)rs); + if(m_verbose) { + printf(" to <%s>\n", rule); + fflush(stdout); + } + } + } + } + } + entry = (apr_table_entry_t *)apr_table_elts(delete)->elts; + for(i = 0; i < apr_table_elts(delete)->nelts; i++) { + if(m_verbose) printf("# DEL rule: %s\n", entry[i].key); + apr_table_unset(rules, entry[i].key); + } + entry = (apr_table_entry_t *)apr_table_elts(new)->elts; + for(i = 0; i < apr_table_elts(new)->nelts; i++) { + apr_table_setn(rules, entry[i].key, entry[i].val); + } +} + +/* deletes rules which are not required and merge query name/value pairs */ +static void qos_delete_obsolete_rules(apr_pool_t *pool, apr_table_t *rules, apr_table_t *rules_url) { + apr_table_t *not_used = apr_table_make(pool, 1); + apr_table_t *used; + apr_table_t *used1; + pthread_attr_t *tha = NULL; + pthread_t tid; + qs_worker_t *wt = apr_pcalloc(pool, sizeof(qs_worker_t)); + + + if(m_query_multi_pcre) { + if(m_verbose) { + printf("# search for redundant rules ...\n"); + fflush(stdout); + } + qos_query_optimization(pool, rules); + if(m_verbose) printf("# "); + } else { + if(m_verbose) { + printf("# search for redundant rules "); + fflush(stdout); + } + } + + wt->pool = pool; + wt->rules = rules; + wt->rules_url = rules_url; + wt->from = apr_table_elts(rules)->nelts / 2; + wt->to = apr_table_elts(rules)->nelts; + + pthread_create(&tid, tha, qos_worker, (void *)wt); + used = qos_get_used(pool, rules, rules_url, 0, apr_table_elts(rules)->nelts / 2); + pthread_join(tid, (void *)&used1); + if(m_verbose) printf(" done\n"); + { + int i; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + if((apr_table_get(used, entry[i].key) == NULL) && + (apr_table_get(used1, entry[i].key) == NULL)) { + if(m_verbose) printf("# DEL rule (not required): %s\n", entry[i].key); + apr_table_add(not_used, entry[i].key, "-"); + } + } + entry = (apr_table_entry_t *)apr_table_elts(not_used)->elts; + for(i = 0; i < apr_table_elts(not_used)->nelts; i++) { + apr_table_unset(rules, entry[i].key); + } + } +} + +/* test if we need to create a new url (and save line if the rule is used the very + first time (rule has been read from the configuration file)) */ +static int qos_test_for_existing_rule(char *plain, char *line, apr_table_t *rules, + apr_table_t *special_rules, int line_nr, + apr_table_t *rules_url, apr_table_t *source_rules, int first) { + int i; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + if((line == 0) || (strlen(line) == 0)) return 0; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + qs_rule_t *rs = (qs_rule_t *)entry[i].val; + if(qs_regexec_len(rs->pcre, line, strlen(line), 0, NULL, 0) >= 0) { + if(first && (apr_table_get(source_rules, entry[i].key) == NULL)) { + apr_table_add(source_rules, entry[i].key, ""); + apr_table_add(rules_url, line, ""); + apr_table_setn(special_rules, entry[i].key, (char *)rs); + if(m_verbose) { + printf("# ADD line %d: %s\n", line_nr, plain); + printf("# --- %s\n", entry[i].key); + } + } + if(m_verbose > 1){ + printf("LINE %d, exiting rule: %s\n", line_nr, entry[i].key); + } + return 1; + } + } + /* check for special rules */ + entry = (apr_table_entry_t *)apr_table_elts(special_rules)->elts; + for(i = 0; i < apr_table_elts(special_rules)->nelts; i++) { + qs_rule_t *rs = (qs_rule_t *)entry[i].val; + if(qs_regexec_len(rs->pcre, line, strlen(line), 0, NULL, 0) >= 0) { + if(m_verbose) { + printf("# ADD line %d: %s\n", line_nr, plain); + printf("# -(S) %s\n", entry[i].key); + } + apr_table_setn(rules, entry[i].key, (char *)rs); + return 1; + } + } + return 0; +} + +/* filter lines we don't want to add to the allow list */ +static int qos_enforce_denylist(apr_table_t *rules, const char *line) { + int i; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + if((line == 0) || (strlen(line) == 0)) return 0; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + qs_rule_t *rs = (qs_rule_t *)entry[i].val; + if(qs_regexec_len(rs->pcre, line, strlen(line), 0, NULL, 0) == 0) { + if(m_verbose > 1) printf(" deny list match, rule %s\n", entry[i].key); + return 1; + } + } + return 0; +} + +/* load existing rules */ +static void qos_load_rules(apr_pool_t *pool, apr_table_t *ruletable, + const char *httpdconf, const char *command, int option) { + FILE *f = fopen(httpdconf, "r"); + char line[MAX_LINE]; + if(f == NULL) { + fprintf(stderr, "ERROR, could not open %s\n", httpdconf); + exit(1); + } + while(!qos_fgetline(line, sizeof(line), f)) { + // QS_DenyRequestLine '+'|'-'<id> 'log'|'deny' <pcre> + char *p = strstr(line, command); + if(p) { + p[0] = '\0'; + p++; + } + if(p && (strchr(line, '#') == NULL)) { + p = strchr(p, ' '); + if(p) { + while(p[0] == ' ') p++; + p = strchr(p, ' '); + if(p) { + while(p[0] == ' ') p++; + p = strchr(p, ' '); + if(p) { + while(p[0] == ' ') p++; + if(m_verbose > 1) { + printf("load %s\n", p); + } + { + const char *errptr = NULL; + char *pattern; + qs_regex_t *pcre_test; + qs_rule_t *rs; + if(p[0] == '"') { + int fl = strlen(p)-2; + pattern = apr_psprintf(pool, "%.*s", fl, &p[1]); + } else { + int fl = strlen(p); + pattern = apr_psprintf(pool, "%.*s", fl, p); + } + pcre_test = qos_pcre_compile(pool, pattern, option); + rs = apr_pcalloc(pool, sizeof(qs_rule_t)); + rs->pcre = pcre_test; + apr_table_setn(ruletable, pattern, (char *)rs); + } + } + } + } + } + } + fclose(f); +} + +static void qos_load_denylist(apr_pool_t *pool, apr_table_t *denylist, const char *httpdconf) { + qos_load_rules(pool, denylist, httpdconf, "QS_DenyRequestLine", PCRE2_CASELESS); +} +static void qos_load_allowlist(apr_pool_t *pool, apr_table_t *rules, const char *httpdconf) { + qos_load_rules(pool, rules, httpdconf, "QS_PermitUri", 0); +} + +/* tries to map a base64 string to a pcre */ +static char *qos_b64_2pcre(apr_pool_t *pool, const char *line) { + char *copy = apr_pstrdup(pool, line); + char *b64 = qos_detect_b64(copy, 1); + char *st = b64; + char *ed = &b64[1]; + if(m_verbose > 1) printf(" B642pcre: %s", copy); + /* reserved: {}[]()^$.|*+?\ */ +#define QS_BX "-_$+!" + while(st[0] && (isdigit(st[0]) || isalpha(st[0]) || (strchr(QS_BX, st[0]) != NULL))) { + st--; + } + st++; + st[0] = '\0'; + while(ed[0] && (isdigit(ed[0]) || isalpha(ed[0]) || (strchr(QS_BX, ed[0]) != NULL))) { + ed++; + } + if(m_verbose > 1) printf(" %s <> %s\n", copy, ed); + return apr_pstrcat(pool, qos_escape_pcre(pool, copy), + "[a-zA-Z0-9\\-_\\$\\+!]+", + ed[0] == '\0' ? NULL : qos_escape_pcre(pool, ed), NULL); +} + + +/* maps a query string to a pairs of <string>=<pcre> or <pcre>=<pcre> */ +static char *qos_query_string_pcre(apr_pool_t *pool, const char *path) { + char *copy = apr_pstrdup(pool, path); + char *pos = copy; + char *ret = ""; + int isValue = 0; + int open = 0; + while(copy[0]) { + if((copy[0] == '=') && (copy[1] != '=') && !open) { + copy[0] = '\0'; + qos_unescaping(pos); + if(!open) { + ret = apr_pstrcat(pool, ret, "(", NULL); + open = 1; + } + if(m_query_pcre) { + if(strlen(pos) > 0) { + ret = apr_pstrcat(pool, ret, "[", qos_2pcre(pool, pos), "]+=", NULL); + } else { + ret = apr_pstrcat(pool, ret, "=", NULL); + } + } else { + ret = apr_pstrcat(pool, ret, qos_escape_pcre(pool, pos), "=", NULL); + } + open = 1; + pos = copy; + pos++; + isValue = 1; + } + if(copy[0] == '&') { + copy[0] = '\0'; + if(strlen(pos) == 0) { + ret = apr_pstrcat(pool, ret, "[&]?", NULL); + if(open) { + ret = apr_pstrcat(pool, ret, ")?", NULL); + open = 0; + } + } else { + qos_unescaping(pos); + ret = apr_psprintf(pool, "%s[%s]{0,%"APR_SIZE_T_FMT"}[&]?", ret, qos_2pcre(pool, pos), + strlen(pos) + m_query_len_pcre); + if(open) { + ret = apr_pstrcat(pool, ret, ")?", NULL); + open = 0; + } + } + pos = copy; + pos++; + isValue = 0; + } + copy++; + } + if(pos != copy) { + qos_unescaping(pos); + if(isValue) { + ret = apr_psprintf(pool, "%s[%s]{0,%"APR_SIZE_T_FMT"}[&]?", ret, qos_2pcre(pool, pos), + strlen(pos) + m_query_len_pcre); + } else { + if(!open) { + ret = apr_pstrcat(pool, "(", ret, NULL); + open = 1; + } + if(m_query_pcre) { + ret = apr_pstrcat(pool, ret, "[", qos_2pcre(pool, pos), "]+", NULL); + } else { + ret = apr_pstrcat(pool, ret, qos_escape_pcre(pool, pos), NULL); + } + } + if(open) { + ret = apr_pstrcat(pool, ret, ")?", NULL); + open = 0; + } + } + if(open) { + ret = apr_pstrcat(pool, ret, ")?", NULL); + open = 0; + } + if(m_query_pcre) { + return ret; + } else { + return ret; + /* it would be nice to use (see -o): + * ((a=b)?(c=d)?)* + * instead of: + * (a=b)?(c=d)? and (c=d)?(a=b)? + * but in this case, two rules are much faster than one + * it's probably better to use the -m option + */ + } +} + +/* maps a query string to a list of names and a single pcre for all values: + <string>|<string>=<pcre> */ +static char *qos_multi_query_string_pcre(apr_pool_t *pool, const char *path, + char **query_m_string, char **query_m_pcre) { + char *copy = apr_pstrdup(pool, path); + char *pos = copy; + char *string = ""; + char *query_pcre = ""; + int isValue = 0; + int singleEq = 0; + int hasEq = 0; + int startAmp = 0; + if(copy[0] == '&') startAmp = 1; + while(copy[0]) { + if(copy[0] == '=') hasEq = 1; + if((copy[0] == '=') && (copy[1] != '=') && !isValue) { + copy[0] = '\0'; + qos_unescaping(pos); + if(strlen(pos) > 0) { + if(strlen(string) > 0) string = apr_pstrcat(pool, string, "|", NULL); + string = apr_pstrcat(pool, string, qos_escape_pcre(pool, pos), NULL); + } else { + if((copy[1] == '&') || (copy[1] == '\0')) { + singleEq = 1; + } + } + pos = copy; + pos++; + isValue = 1; + } + if(copy[0] == '&') { + copy[0] = '\0'; + if(!isValue) { + qos_unescaping(pos); + if(strlen(string) > 0) string = apr_pstrcat(pool, string, "|", NULL); + string = apr_pstrcat(pool, string, qos_escape_pcre(pool, pos), NULL); + } else { + if(strlen(pos) != 0) { + qos_unescaping(pos); + query_pcre = apr_pstrcat(pool, query_pcre, pos, NULL); + } + } + pos = copy; + pos++; + isValue = 0; + } + copy++; + } + if(pos != copy) { + qos_unescaping(pos); + if(isValue) { + query_pcre = apr_pstrcat(pool, query_pcre, pos, NULL); + } else { + if(strlen(string) > 0) string = apr_pstrcat(pool, string, "|", NULL); + string = apr_pstrcat(pool, string, qos_escape_pcre(pool, pos), NULL); + } + } + *query_m_string = string; + *query_m_pcre = query_pcre; + return qos_qqs(pool, string, query_pcre, singleEq, hasEq, startAmp); +} + +/* maps a path to a single pcre (don't mind its length) */ +static char *qos_path_pcre(apr_pool_t *lpool, const char *path) { + char *dec = apr_pstrdup(lpool, path); + qos_unescaping(dec); + return apr_pstrcat(lpool, "[", qos_2pcre(lpool, dec), "]+", NULL); +} + +/* maps a path to <pcre>/<string> */ +static char *qos_path_pcre_string(apr_pool_t *lpool, const char *path) { + int nohandler = 0; + char *lpath = apr_pstrdup(lpool, path); + char *last; + char *str = ""; + int depth = m_path_depth; + char *rx = ""; + if(lpath[strlen(lpath)-1] == '/') { + lpath[strlen(lpath)-1] = '\0'; + nohandler = 1; + } + last = strrchr(lpath, '/'); + while(last && depth) { + qos_unescaping(last); + if(m_base64 && qos_detect_b64(last, 0)) { + str = apr_pstrcat(lpool, qos_b64_2pcre(lpool, last), str, NULL); + } else { + str = apr_pstrcat(lpool, qos_escape_pcre(lpool, last), str, NULL); + } + last[0] = '\0'; + last = strrchr(lpath, '/'); + depth--; + } + if(lpath[0]) { + qos_unescaping(lpath); + rx = apr_pstrcat(lpool, "[", qos_2pcre(lpool, lpath), "]+", NULL); + } + if(strlen(str) > 0) { + if(nohandler) { + rx = apr_pstrcat(lpool, rx, str, "[/]?", NULL); + } else { + rx = apr_pstrcat(lpool, rx, str, NULL); + } + } + return rx; +} + +static int qos_is_alnum(const char *string) { + unsigned char *in = (unsigned char *)string; + int i = 0; + if(in == NULL) return 0; + while(in[i]) { + if(!apr_isalnum(in[i])) return 0; + i++; + } + return 1; +} + +static void qos_rule_optimization(apr_pool_t *pool, apr_pool_t *lpool, + apr_table_t *rules, apr_table_t *special_rules) { + int i; + apr_table_t *new_rules = apr_table_make(pool, 5); + apr_table_t *del_rules = apr_table_make(pool, 5); + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + qs_rule_t *rs = (qs_rule_t *)entry[i].val; + int hit = 0; + int j; + for(j = 0; j < apr_table_elts(rules)->nelts; j++) { + if(i != j) { + qs_rule_t *rsj = (qs_rule_t *)entry[j].val; + if(rs->query_m_string && rsj->query_m_string) { + if(strcmp(rs->query_m_string, rsj->query_m_string) == 0) { + if(strlen(entry[i].key) == strlen(entry[j].key)) { + hit++; + } + } + if(hit == 5) { + int s = 0; + int e = 0; + while(entry[i].key[s] && (entry[i].key[s] == entry[j].key[s])) s++; + e = s; + while(entry[i].key[e] && + ((entry[i].key[e] != entry[j].key[e]) || + (apr_isalnum(entry[i].key[e]) && apr_isalnum(entry[j].key[e])))) e++; + if((e > s) && + (s > 14) && + (e < strlen(entry[i].key)) && + (strstr(&entry[i].key[e], "\?") != NULL)) { + const char *errptr = NULL; + char *match = apr_psprintf(lpool, "%.*s%.*s", + e-s, &entry[i].key[s], + e-s, &entry[j].key[s]); + if(qos_is_alnum(match)) { + char *matchx = apr_psprintf(lpool, "[%s]{%d}", qos_2pcre(lpool, match), e-s); + char *new = apr_psprintf(pool, "%.*s%s%s", s, entry[i].key, matchx, &entry[i].key[e]); + qs_rule_t *rsn = apr_pcalloc(pool, sizeof(qs_rule_t)); + rsn->pcre = qos_pcre_compile(pool, new, 0); + rsn->path = rs->path; + rsn->query_m_string = rs->query_m_string; + rsn->query_m_pcre = rs->query_m_pcre; + rsn->fragment = rs->fragment; + if(m_verbose) { + printf("# CHANGE: <%s> to <%s>\n", entry[i].key, new); + fflush(stdout); + } + apr_table_setn(new_rules, new, (char *)rsn); + apr_table_addn(del_rules, entry[i].key, entry[i].val); + apr_table_addn(del_rules, entry[j].key, entry[j].val); + if(m_verbose > 1) { + if(m_verbose) printf(" [%s] [%s]\n", entry[i].key, entry[j].key); + if(m_verbose) printf(" [%s] [%s]\n", match, matchx); + } + break; + } + } + } + } + } + } + } + entry = (apr_table_entry_t *)apr_table_elts(new_rules)->elts; + for(i = 0; i < apr_table_elts(new_rules)->nelts; i++) { + apr_table_setn(rules, entry[i].key, entry[i].val); + } + entry = (apr_table_entry_t *)apr_table_elts(del_rules)->elts; + for(i = 0; i < apr_table_elts(del_rules)->nelts; i++) { + apr_table_unset(rules, entry[i].key); + } +} + +/* rules do not care the order of parameter values (makes rule processing slow) + * (id=[0-9]{0,13}[&]?)?(name=[a-zA-Z]{0,12}[&]?)? + * ((id=[0-9]{0,13}[&]?)|(name=[a-zA-Z]{0,12}[&]?))* + */ +static char *qos_post_optimization(apr_pool_t *lpool, char *query) { + int hit = 0; + char *p = query; + while(p && p[0]) { + if(strncmp(p, "[&]?)?(", 7) == 0) { + hit = 1; + p[5] = '|'; + } + p++; + } + if(hit) { + query[strlen(query)-1] = '\0'; + return apr_psprintf(lpool, "(%s)*", query); + } + return query; +} + +static void qos_auto_detect(char **raw) { + char *line = *raw; + int rc_c = -1; + if(m_req_regex) { + qs_regmatch_t regm[QS_MAX_REG_MATCH]; + /* no request line, maybe raw Apache access log? */ + rc_c = qs_regexec_len(m_req_regex, line, strlen(line), QS_MAX_REG_MATCH, regm, 0); + if(rc_c >= 0) { + char *sr = &line[regm[2].rm_so]; + sr[regm[2].rm_eo - regm[2].rm_so] = '\0'; + *raw = sr; + } + } + if(rc_c < 0) { + /* or an audit log like "%h %>s %{qos-loc}n %{qos-path}n%{qos-query}n" */ + char *pe = line; + int pi = 3; + while(pe && (pi > 0)) { + pi--; + pe = strchr(pe, ' '); + if(pe) { + pe++; + } + } + if(pe && pe[0] == '/' && (pi == 0)) { + *raw = pe; + } + } + return; +} + +/* process the input file line by line */ +static void qos_process_log(apr_pool_t *pool, apr_table_t *denylist, apr_table_t *rules, + apr_table_t *rules_url, apr_table_t *special_rules, + FILE *f, int *ln, int *dc, int first) { + char *readline = apr_pcalloc(pool, MAX_BODY_BUFFER); + int deny_count = *dc; + int line_nr = *ln; + apr_table_t *source_rules = apr_table_make(pool, 10); + int rule_optimization = 300; + while(!qos_fgetline(readline, MAX_BODY_BUFFER, f)) { + int doubleSlash = 0; + apr_uri_t parsed_uri; + apr_pool_t *lpool; + char *line = readline; + apr_pool_create(&lpool, NULL); + line_nr++; + if((strlen(line) > 1) && line[1] == '/') { + doubleSlash = 1; + line++; + } + if(line[0] != '/') { + if(!m_log_req_regex) { + m_log_req_regex = 1; + fprintf(stderr, "WARNING, line %d: " + "unexpected data format, try to detect request lines automatically\n", + line_nr); + } + qos_auto_detect(&line); + } + if(apr_uri_parse(lpool, line, &parsed_uri) != APR_SUCCESS) { + fprintf(stderr, "ERROR, could not parse uri %s\n", line); + if(m_exit_on_error) exit(1); + } + if(parsed_uri.path == NULL || (parsed_uri.path[0] != '/')) { + fprintf(stderr, "WARNING, line %d: invalid request %s\n", line_nr, line); + } else if(m_filter && parsed_uri.path && strncmp(parsed_uri.path, m_filter, strlen(m_filter)) != 0) { + // skip filtered line + } else { + char *path = NULL; + char *query = NULL; + char *query_m_string = NULL; + char *query_m_pcre = NULL; + char *fragment = NULL; + char *copy = apr_pstrdup(lpool, line); + qos_unescaping(copy); + if(qos_enforce_denylist(denylist, copy)) { + fprintf(stderr, "WARNING: deny list filter match at line %d for %s\n", + line_nr, line); + deny_count++; + } else { + if(!qos_test_for_existing_rule(line, copy, rules, special_rules, + line_nr, rules_url, source_rules, first)) { + if(m_verbose > 1) printf("LINE %d, analyse: %s\n", line_nr, line); + if(parsed_uri.query) { + if(strcmp(parsed_uri.path, "/") == 0) { + path = apr_pstrdup(lpool, "/"); + } else { + path = qos_path_pcre_string(lpool, parsed_uri.path); + } + if(m_query_single_pcre) { + char *qc = apr_pstrdup(lpool, parsed_uri.query); + qos_unescaping(qc); + query = apr_pstrcat(lpool, "[", qos_2pcre(lpool, qc), "]+", NULL); + } else { + if(!m_query_multi_pcre) { + query = qos_query_string_pcre(lpool, parsed_uri.query); + if(m_query_o_pcre) { + query = qos_post_optimization(lpool, query); + } + } else { + query = qos_multi_query_string_pcre(lpool, parsed_uri.query, + &query_m_string, &query_m_pcre); + } + } + } else { + if(strcmp(parsed_uri.path, "/") == 0) { + path = apr_pstrdup(lpool, "/"); + } else { + if(m_handler) { + path = qos_path_pcre_string(lpool, parsed_uri.path); + } else { + if(qs_regexec_len(pcre_simple_path, + parsed_uri.path, strlen(parsed_uri.path), + 0, NULL, 0) >= 0) { + path = apr_pstrdup(lpool, QS_SIMPLE_PATH_PCRE); + } else { + path = qos_path_pcre(lpool, parsed_uri.path); + } + } + } + } + if(parsed_uri.fragment) { + char *f = apr_pstrdup(lpool, parsed_uri.fragment); + if(strlen(f) > 0) { + qos_unescaping(f); + fragment = apr_pstrcat(lpool, "[", qos_2pcre(lpool, f), "]+", NULL); + } else { + fragment = apr_pstrcat(lpool, "", NULL); + } + } + if(m_verbose > 1) { + printf(" path: %s\n", parsed_uri.path); + printf(" path rule: %s\n", path); + if(query) { + printf(" query: %s\n", parsed_uri.query); + printf(" query rule: %s\n", query); + } + if(fragment) { + printf(" fragment: %s\n", parsed_uri.fragment); + printf(" fragment rule: %s\n", fragment); + } + } + { + const char *errptr = NULL; + char *rule; + qs_rule_t *rs = apr_pcalloc(pool, sizeof(qs_rule_t)); + if(doubleSlash) { + rule = apr_pstrcat(pool, "^[/]?", path, NULL); + } else { + rule = apr_pstrcat(pool, "^", path, NULL); + } + if(query) { + rule = apr_pstrcat(pool, rule, "\\?", query, NULL); + } + if(fragment) { + rule = apr_pstrcat(pool, rule, "#", fragment, NULL); + rs->fragment = 1; + } else { + rs->fragment = 0; + } + rule = apr_pstrcat(pool, rule, "$", NULL); + rs->pcre = qos_pcre_compile(pool, rule, 0); + rs->path = apr_pstrdup(pool, path); + if(m_query_multi_pcre && !fragment) { + rs->query_m_string = apr_pstrdup(pool, query_m_string); + rs->query_m_pcre = apr_pstrdup(pool, query_m_pcre); + } else { + rs->query_m_string = NULL; + rs->query_m_pcre = NULL; + } + // don't mind if extra is null + if(m_verbose) { + printf("# ADD line %d: %s\n", line_nr, line); + printf("# %.3d %s\n", apr_table_elts(rules)->nelts+1, rule); + fflush(stdout); + } + if(qs_regexec_len(rs->pcre, copy, strlen(copy), 0, NULL, 0) < 0) { + fprintf(stderr, "ERROR, rule check failed (did not match)!\n"); + fprintf(stderr, " line %d: %s\n", line_nr, line); + fprintf(stderr, " string: %s\n", copy); + fprintf(stderr, " rule: %s\n", rule); + if(m_exit_on_error) exit(1); + } else { + apr_table_add(rules_url, copy, "unescaped line"); + apr_table_add(source_rules, rule, ""); + apr_table_setn(rules, rule, (char *)rs); + } + if(apr_table_elts(rules)->nelts == 2000) { + fprintf(stderr, "ERROR, too many rules (limited to max. 2000)\n"); + if(m_exit_on_error) exit(1); + } + /* rule optimazion searching for redundant patterns (only in + conjunction with -m, -b and !-n */ + if((apr_table_elts(rules)->nelts == rule_optimization) && + m_redundant && + m_query_multi_pcre && + m_base64) { + /* got too many rules, try to find more general rules */ + if(m_verbose) { + printf("# too many rules: start rule optimization ...\n"); + fflush(stdout); + } + qos_rule_optimization(pool, lpool, rules, special_rules); + if(m_verbose) { + printf("# continue with rule generation\n"); + fflush(stdout); + } + rule_optimization = rule_optimization + 200; + } + } + } + } + } + apr_pool_destroy(lpool); + } + *dc = deny_count; + *ln = line_nr; +} + +static void qos_measurement(apr_pool_t *pool, apr_table_t *denylist, apr_table_t *rules, FILE *f, int *ln) { + char *readline = apr_pcalloc(pool, MAX_BODY_BUFFER); + int line_nr = 0; + while(!qos_fgetline(readline, MAX_BODY_BUFFER, f)) { + apr_uri_t parsed_uri; + apr_pool_t *lpool; + char *line = readline; + apr_pool_create(&lpool, NULL); + line_nr++; + if((strlen(line) > 1) && line[1] == '/') { + strcpy(line, &line[1]); + } + if(line[0] != '/') { + qos_auto_detect(&line); + } + if(apr_uri_parse(lpool, line, &parsed_uri) != APR_SUCCESS) { + fprintf(stderr, "ERROR, could parse uri %s\n", line); + if(m_exit_on_error) exit(1); + } + if(parsed_uri.path == NULL || (parsed_uri.path[0] != '/')) { + fprintf(stderr, "WARNING, line %d: invalid request %s\n", line_nr, line); + } else { + char *copy = apr_pstrdup(lpool, line); + int i; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + qos_unescaping(copy); + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + qs_rule_t *rs = (qs_rule_t *)entry[i].val; + qs_regexec_len(rs->pcre, copy, strlen(copy), 0, NULL, 0); + } + } + apr_pool_destroy(lpool); + } + *ln = line_nr; +} + +int main(int argc, const char * const argv[]) { + apr_table_entry_t *entry; + long performance = -1; + time_t start = time(NULL); + time_t end; + int line_nr = 0; + int deny_count = 0; + char *time_string; + int i, rc; + const char *access_log = NULL; + FILE *f; + apr_pool_t *pool; + apr_table_t *rules; + apr_table_t *special_rules; + apr_table_t *denylist; + apr_table_t *rules_url; + int denylist_size = 0; + int allowlist_size = 0; + char *cmd = strrchr(argv[0], '/'); + const char *httpdconf = NULL; + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + rules = apr_table_make(pool, 10); + special_rules = apr_table_make(pool, 10); + denylist = apr_table_make(pool, 10); + rules_url = apr_table_make(pool, 10); + rc = nice(10); + if(rc == -1) { + fprintf(stderr, "ERROR, failed to change nice value: %s\n", strerror(errno)); + } + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-v") == 0) { + if (--argc >= 1) { + m_verbose = atoi(*(++argv)); + } + } else if(strcmp(*argv,"-c") == 0) { + if (--argc >= 1) { + httpdconf = *(++argv); + } + } else if(strcmp(*argv,"-i") == 0) { + if (--argc >= 1) { + access_log = *(++argv); + } + } else if(strcmp(*argv,"-k") == 0) { + if (--argc >= 1) { + m_pfx = *(++argv); + } + } else if(strcmp(*argv,"-f") == 0) { + if (--argc >= 1) { + m_filter = *(++argv); + } + } else if(strcmp(*argv,"-d") == 0) { + if (--argc >= 1) { + m_path_depth = atoi(*(++argv)); + } + } else if(strcmp(*argv,"-u") == 0) { + if (--argc >= 1) { + const char *coders = *(++argv); + if(strstr(coders, "uni")) { + m_mode |= QOS_DEC_MODE_FLAGS_UNI; + } + if(strstr(coders, "ansi")) { + m_mode |= QOS_DEC_MODE_FLAGS_ANSI; + } + if(strstr(coders, "html")) { + m_mode |= QOS_DEC_MODE_FLAGS_HTML; + } + } + } else if(strcmp(*argv,"-n") == 0) { + m_redundant = 0; + } else if(strcmp(*argv,"-b") == 0) { + if (--argc >= 1) { + m_base64 = atoi(*(++argv)); + } + } else if(strcmp(*argv,"-l") == 0) { + if (--argc >= 1) { + m_query_len_pcre = atoi(*(++argv)); + } + } else if(strcmp(*argv,"-p") == 0) { + m_query_pcre = 1; + } else if(strcmp(*argv,"-m") == 0) { + m_query_multi_pcre = 1; + } else if(strcmp(*argv,"-o") == 0) { + m_query_o_pcre = 1; + } else if(strcmp(*argv,"-s") == 0) { + m_query_single_pcre = 1; + } else if(strcmp(*argv,"-e") == 0) { + m_exit_on_error = 1; + } else if(strcmp(*argv,"-t") == 0) { + performance = 0; + } else if(strcmp(*argv,"-h") == 0) { + m_handler = 1; + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } + argc--; + argv++; + } + qos_init_pcre(pool); + + if((m_query_pcre && m_query_multi_pcre) || + (m_query_pcre && m_query_single_pcre) || + (m_query_multi_pcre && m_query_single_pcre) || + (m_query_pcre && m_query_o_pcre) || + (m_query_multi_pcre && m_query_o_pcre) || + (m_query_single_pcre && m_query_o_pcre)) { + fprintf(stderr, "ERROR, option -s,-m,-o or -p can't be used together.\n"); + exit(1); + } + + if(httpdconf) { + qos_load_denylist(pool, denylist, httpdconf); + denylist_size = apr_table_elts(denylist)->nelts; + qos_load_allowlist(pool, rules, httpdconf); + allowlist_size = apr_table_elts(rules)->nelts; + } + + if(access_log == NULL) usage(cmd, 0); + f = fopen(access_log, "r"); + if(f == NULL) { + fprintf(stderr, "ERROR, could not open input file %s\n", access_log); + exit(1); + } + qos_process_log(pool, denylist, rules, rules_url, special_rules, f, &line_nr, &deny_count, 1); + fclose(f); + + if(m_redundant) { + int xl = 0; + int y = 0; + // delete useless rules + qos_delete_obsolete_rules(pool, rules, rules_url); + // ensure, we have not deleted to many! + if(m_verbose) { + printf("# verify new rules ...\n"); + fflush(stdout); + } + // if(httpdconf) { + // qos_load_allowlist(pool, rules, httpdconf); + // } + f = fopen(access_log, "r"); + qos_process_log(pool, denylist, rules, rules_url, special_rules, f, &xl, &y, 0); + fclose(f); + } + + if(performance == 0) { + int lx = 0; + apr_time_t tv; + f = fopen(access_log, "r"); + tv = apr_time_now(); + qos_measurement(pool, denylist, rules, f, &lx); + tv = apr_time_now() - tv; + performance = apr_time_msec(tv) + (apr_time_sec(tv) * 1000); + performance = performance / lx; + fclose(f); + } + + end = time(NULL); + time_string = ctime(&end); + time_string[strlen(time_string) - 1] = '\0'; + printf("\n# --------------------------------------------------------\n"); + printf("# %s\n", time_string); + printf("# %d rules from %d access log lines\n", apr_table_elts(rules)->nelts, line_nr); + printf("# mod_qos version: %s\n", man_version); + if(performance >= 0) { + printf("# performance index (ms/req): %ld\n", performance); + } + printf("# source (-i): %s\n", access_log); + printf("# path depth (-d): %d\n", m_path_depth); + printf("# disable path only regex (-h): %s\n", m_handler == 1 ? "yes" : "no"); + printf("# base64 detection level (-b): %d\n", m_base64); + printf("# redundancy check (-n): %s\n", m_redundant == 1 ? "yes" : "no"); + printf("# pcre only for query (-p): %s\n", m_query_pcre == 1 ? "yes" : "no"); + printf("# decoding (-u): url"); + if(m_mode & QOS_DEC_MODE_FLAGS_UNI) { + printf(" uni"); + } + if(m_mode & QOS_DEC_MODE_FLAGS_HTML) { + printf(" html"); + } + if(m_mode & QOS_DEC_MODE_FLAGS_ANSI) { + printf(" ansi"); + } + printf("\n"); + printf("# one pcre for query value (-m): %s\n", m_query_multi_pcre == 1 ? "yes" : "no"); + if(m_query_o_pcre) { + printf("# ignore query order (-o): yes\n"); + } + printf("# single pcre for query (-s): %s\n", m_query_single_pcre == 1 ? "yes" : "no"); + printf("# query outsize (-l): %d\n", m_query_len_pcre); + printf("# exit on error (-e): %s\n", m_exit_on_error == 1 ? "yes" : "no"); + printf("# rule file (-c): %s\n", httpdconf == NULL ? "-" : httpdconf); + if(httpdconf) { + printf("# allow list (loaded existing rules): %d\n", allowlist_size); + printf("# deny list (loaded deny rules): %d\n", denylist_size); + printf("# deny list matches: %d\n", deny_count); + } + printf("# duration: %ld minutes\n", (end - start) / 60); + printf("# --------------------------------------------------------\n"); + + { + STACK_OF(qs_rule_t) *st = sk_new(STACK_qs_cmp); + qs_rule_t *r; + int j = 1; + entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(i = 0; i < apr_table_elts(rules)->nelts; i++) { + // printf("QS_PermitUri +QSF%0.3d deny \"%s\"\n", i+1, entry[i].key); + r = apr_pcalloc(pool, sizeof(qs_rule_t)); + r->rule = entry[i].key; + sk_push(st, (char *)r); + } + sk_sort(st); + i = sk_num(st); + for(; i > 0; i--) { + r = (qs_rule_t *)sk_value(st, i-1); + printf("QS_PermitUri +%s%.3d deny \"%s\"\n", + m_pfx ? m_pfx : "QSF", + j, qs_apache_escape(pool, r->rule)); + j++; + } + } + + apr_pool_destroy(pool); + return 0; +} diff --git a/tools/src/qsgeo.c b/tools/src/qsgeo.c new file mode 100644 index 0000000..0a46628 --- /dev/null +++ b/tools/src/qsgeo.c @@ -0,0 +1,607 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Utilities for the quality of service module mod_qos. + * + * qsgeo.c: resolves the country codes of IP addresses + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qsgeo.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <time.h> +#include <sys/time.h> +#include <regex.h> + +/* apr */ +#include <apr.h> +#include <apr_strings.h> +#include <apr_file_io.h> +#include <apr_time.h> +#include <apr_lib.h> +#include <apr_portable.h> +#include <apr_support.h> +#include <apr_base64.h> + +#include "qs_util.h" + +#define MAX_REG_MATCH 10 + +// "3758096128","3758096383","AU" +#define QS_GEO_PATTERN "\"([0-9]+)\",\"([0-9]+)\",\"([A-Z0-9]{2}|-)\"" +// "3758096128","3758096383","AU","Australia" +#define QS_GEO_PATTERN_D "\"([0-9]+)\",\"([0-9]+)\",\"([A-Z0-9]{2})\",\"(.*)\"" +// "192.83.198.0","192.83.198.255","3226715648","3226715903","AU","Australia" +#define QS_GEO_PATTERN_EXT "\"[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\",\"[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\",\"([0-9]+)\",\"([0-9]+)\",\"([A-Z0-9]{2})\"" +// 182.12.34.23 +#define IPPATTERN "([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})[\"'\x0d\x0a, ]+" +#define IPPATTERN2 "([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})[\"'\x0d\x0a,; ]+" + +static int m_inject = 0; +static int m_verbose = 0; + +typedef struct { + unsigned long start; + char *c; +} qos_inj_t; + +static const qos_inj_t m_inj[] = { + { 167772160, "\"10.0.0.0\",\"10.255.255.255\",\"167772160\",\"184549375\",\"PV\",\"private network\"" }, + { 2130706432, "\"127.0.0.0\",\"127.255.255.255\",\"2130706432\",\"2147483647\",\"LO\",\"local loopback\"" }, + { 2886729728, "\"172.16.0.0\",\"172.31.255.255\",\"2886729728\",\"2887778303\",\"PV\",\"private network\"" }, + { 3232235520, "\"192.168.0.0\",\"192.168.255.255\",\"3232235520\",\"3232301055\",\"PV\",\"private network\"" }, + { 0, NULL } +}; + +typedef struct { + unsigned long start; + unsigned long end; + char country[3]; + char c[500]; +} qos_geo_t; + +typedef struct { + int num; + char *c; +} qos_geo_stat_t; + +static int qos_is_num(const char *num) { + int i = 0; + while(num[i]) { + if(!isdigit(num[i])) { + return 0; + } + i++; + } + return 1; +} + +/** + * Converts an IPv4 address string to it's numeric value. + * w.x.y.z results in 16777216*w + 65536*x + 256*y + z + * + * @param pool To make a copy of the address to parse + * @param ip + * @return The address or 0 on error + */ +static unsigned long qos_geo_str2long(apr_pool_t *pool, const char *ip) { + char *p; + char *i = apr_pstrdup(pool, ip); + unsigned long addr = 0; + + p = strchr(i, '.'); + if(!p) return 0; + p[0] = '\0'; + if(!qos_is_num(i)) return 0; + addr += (atol(i) * 16777216); + i = p; + i++; + + p = strchr(i, '.'); + if(!p) return 0; + p[0] = '\0'; + if(!qos_is_num(i)) return 0; + addr += (atol(i) * 65536); + i = p; + i++; + + p = strchr(i, '.'); + if(!p) return 0; + p[0] = '\0'; + if(!qos_is_num(i)) return 0; + addr += (atol(i) * 256); + i = p; + i++; + + if(!qos_is_num(i)) return 0; + addr += (atol(i)); + + return addr; +} + +static void qos_geo_long2str(char *buf, unsigned long ip) { + int a,b,c,d; + a = ip % 256; + ip = ip / 256; + b = ip % 256; + ip = ip / 256; + c = ip % 256; + ip = ip / 256; + d = ip % 256; + sprintf(buf, "%d.%d.%d.%d", d, c, b, a); +} + +/** + * Usage message (text or manpage format). + */ +static void usage(const char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - an utility to lookup a client's country code.\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -d <path> [-l] [-s] [-ip <ip>]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "Use this utility to resolve the country codes of IP addresses\n"); + qs_man_print(man, "within existing log files. The utility reads the log file data\n"); + qs_man_print(man, "from stdin and writes them, with the injected country code, to\n"); + qs_man_print(man, "stdout.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf("\n.TP\n"); + qs_man_print(man, " -d <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies the path to the geographical database files (CSV\n"); + qs_man_print(man, " file containing IP address ranges and country codes).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -s\n"); + if(man) printf("\n"); + qs_man_print(man, " Writes a summary of the requests per country only.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -l\n"); + if(man) printf("\n"); + qs_man_print(man, " Writes the database to stdout (ignoring stdin) inserting\n"); + qs_man_print(man, " local (127.*) and private (10.*, 172.16*, 192.168.*)\n"); + qs_man_print(man, " network addresses.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -ip <ip>\n"); + if(man) printf("\n"); + qs_man_print(man, " Resolves a single IP address instead of processing a log file.\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + printf("Reading the file access.log and adding the country code to the IP address field:\n"); + printf("\n"); + } else { + printf("Example reading the file access.log and adding the country code to\n"); + printf("the IP address field:\n"); + } + qs_man_println(man, " cat access.log | %s -d GeoIPCountryWhois.csv\n", cmd); + printf("\n"); + if(man) { + printf("Reading the file access.log and showing a summary only:\n"); + printf("\n"); + } else { + printf("Example reading the file access.log and showing a summary only:\n"); + } + qs_man_println(man, " cat access.log | %s -d GeoIPCountryWhois.csv -s\n", cmd); + printf("\n"); + if(man) { + printf("Resolving a single IP address:\n"); + printf("\n"); + } else { + printf("Example resolving a single IP address:\n"); + } + qs_man_println(man, " %s -d GeoIPCountryWhois.csv -ip 192.84.12.23\n", cmd); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +/** + * Comperator to search entries using bsearch. + */ +static int qos_geo_comp(const void *_pA, const void *_pB) { + unsigned long *pA = (unsigned long *)_pA; + qos_geo_t *pB = (qos_geo_t *)_pB; + unsigned long search = *pA; + if((search >= pB->start) && (search <= pB->end)) return 0; + if(search > pB->start) return 1; + if(search < pB->start) return -1; + return -1; // error +} + +/** + * Loads the (sorted) CSV file into the memory. + * + * @param pool + * @param db Path to the db file + * @param size Returns the size f the db (elements in the array) + * @param msg Error message if something got wrong + * @return Array with all entries from the CSV file (or NULL on error) + */ +static qos_geo_t *qos_loadgeo(apr_pool_t *pool, const char *db, int *size, char **msg, int *errors) { + regmatch_t ma[MAX_REG_MATCH]; + regex_t preg; + regex_t pregd; + regex_t pregext; + qos_geo_t *geo = NULL; + qos_geo_t *g = NULL; + qos_geo_t *last = NULL; + int lines = 0; + char line[HUGE_STRING_LEN]; + char buf[HUGE_STRING_LEN]; + FILE *file; + const qos_inj_t *inj = m_inj; + *size = 0; + if(regcomp(&preg, QS_GEO_PATTERN, REG_EXTENDED)) { + // internal error + *msg = apr_pstrdup(pool, "failed to compile regular expression "QS_GEO_PATTERN); + (*errors)++; + return NULL; + } + if(regcomp(&pregd, QS_GEO_PATTERN_D, REG_EXTENDED)) { + // internal error + *msg = apr_pstrdup(pool, "failed to compile regular expression "QS_GEO_PATTERN_D); + (*errors)++; + return NULL; + } + if(regcomp(&pregext, QS_GEO_PATTERN_EXT, REG_EXTENDED)) { + // internal error + *msg = apr_pstrdup(pool, "failed to compile regular expression "QS_GEO_PATTERN_EXT); + (*errors)++; + return NULL; + } + file = fopen(db, "r"); + if(!file) { + (*errors)++; + return NULL; + } + while(fgets(line, sizeof(line), file) != NULL) { + if(strlen(line) > 0) { + if(regexec(&preg, line, 0, NULL, 0) == 0) { + lines++; + } else { + *msg = apr_psprintf(pool, "invalid entry in database: '%s'", line); + (*errors)++; + if(m_verbose) { + char *p = *msg; + while(p[0]) { + if(p[0] < 32) { + p[0] = '.'; + } + p++; + } + fprintf(stderr, "line %d: %s\n", lines, *msg); + } + } + } + } + *size = lines; + geo = apr_pcalloc(pool, sizeof(qos_geo_t) * lines); + g = geo; + fseek(file, 0, SEEK_SET); + lines = 0; + while(fgets(line, sizeof(line), file) != NULL) { + lines++; + if(strlen(line) > 0) { + int plus = 0; + if(m_inject) { + strcpy(buf, line); + } + if(regexec(&pregd, line, MAX_REG_MATCH, ma, 0) == 0) { + plus = 1; + } + if(plus || regexec(&preg, line, MAX_REG_MATCH, ma, 0) == 0) { + int missingAddr = 0; + if(regexec(&pregext, line, 0, NULL, 0) != 0) { + missingAddr = 1; + } + line[ma[1].rm_eo] = '\0'; + line[ma[2].rm_eo] = '\0'; + line[ma[3].rm_eo] = '\0'; + g->start = atoll(&line[ma[1].rm_so]); + g->end = atoll(&line[ma[2].rm_so]); + g->c[0] = '\0'; + if(m_inject) { + if(inj->start && (g->start > inj->start)) { + while(inj->start && (g->start > inj->start)) { + printf("%s\n", inj->c); + inj++; + } + } else if(g->start != inj->start) { + if(missingAddr) { + /* some databases do not include IP address + representation (but number only) */ + char bs[128]; + char be[128]; + qos_geo_long2str(bs, g->start); + qos_geo_long2str(be, g->end); + printf("\"%s\",\"%s\",%s", bs, be, buf); + } + } + if(!missingAddr) { + printf("%s", buf); + } + } + strncpy(g->country, &line[ma[3].rm_so], 2); + if(last) { + if(g->start < last->start) { + *msg = apr_psprintf(pool, "wrong order/lines not sorted (line %d)", lines); + (*errors)++; + if(m_verbose) { + fprintf(stderr, "line %d: wrong order/lines not sorted\n", lines); + } + } + } + if(plus) { + line[ma[4].rm_eo] = '\0'; + strncpy(g->c, &line[ma[4].rm_so], 500); + } + last = g; + g++; + } + } + } + fclose(file); + return geo; +} + +int main(int argc, const char * const argv[]) { + int errors = 0; + int rc; + int stat = 0; + const char *ip = NULL; + char *msg = NULL; + qos_geo_t *geo; + int size; + const char *db = NULL; + apr_table_t *entries; + apr_pool_t *pool; + const char *cmd = strrchr(argv[0], '/'); + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + entries = apr_table_make(pool, 100); + + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv, "-d") == 0) { + if (--argc >= 1) { + db = *(++argv); + } + } else if(strcmp(*argv, "-ip") == 0) { + if (--argc >= 1) { + ip = *(++argv); + } + } else if(strcmp(*argv, "-s") == 0) { + stat = 1; + } else if(strcmp(*argv, "-l") == 0) { + m_inject = 1; + } else if(strcmp(*argv, "-v") == 0) { + m_verbose = 1; + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + usage(cmd, 0); + } + argc--; + argv++; + } + + if(db == NULL) { + usage(cmd, 0); + } + + rc = nice(10); + if(rc == -1) { + fprintf(stderr, "ERROR, failed to change nice value: %s\n", strerror(errno)); + } + + geo = qos_loadgeo(pool, db, &size, &msg, &errors); + if(geo == NULL || msg != NULL) { + if(msg) { + char *p = msg; + while(p[0]) { + if(p[0] < 32) { + p[0] = '.'; + } + p++; + } + } + fprintf(stderr, "failed to load database: %s (total %d errors)\n", + msg ? msg : "-", errors); + exit(1); + } + if(m_inject) { + exit(0); + } + + if(ip) { + qos_geo_t *pB; + unsigned long search = qos_geo_str2long(pool, ip); + printf("search %lu: ", search); + pB = bsearch(&search, + geo, + size, + sizeof(qos_geo_t), + qos_geo_comp); + if(pB) { + printf("%s\n", pB->country); + } else { + printf("n/a\n"); + } + return 0; + } + + // start reading from stdin + { + char prev; + qos_geo_t *pB; + apr_pool_t *tmp; + char *line = calloc(1, MAX_LINE_BUFFER+1); + regex_t preg; + regex_t preg2; + regmatch_t ma[MAX_REG_MATCH]; + apr_pool_create(&tmp, NULL); + if(regcomp(&preg, IPPATTERN, REG_EXTENDED)) { + exit(1); + } + regcomp(&preg2, IPPATTERN2, REG_EXTENDED); + while(fgets(line, MAX_LINE_BUFFER, stdin) != NULL) { + int match = regexec(&preg, line, MAX_REG_MATCH, ma, 0); + if(match != 0) { + char *dx = strchr(line, ';'); + if(dx && ((dx - line) <= 15)) { + // file starts probably with <ip>; => a qslog -pc file? + match = regexec(&preg2, line, MAX_REG_MATCH, ma, 0); + } + } + if(match == 0) { + unsigned long search; + prev = line[ma[1].rm_eo]; + line[ma[1].rm_eo] = '\0'; + search = qos_geo_str2long(tmp, &line[ma[1].rm_so]); + apr_pool_clear(tmp); + pB = bsearch(&search, + geo, + size, + sizeof(qos_geo_t), + qos_geo_comp); + if(stat) { + /* creates a single statistic entry for each country (used to collect + requests per source country) */ + if(pB) { + qos_geo_stat_t *s = (qos_geo_stat_t *)apr_table_get(entries, pB->country); + if(s == NULL) { + s = apr_pcalloc(pool, sizeof(qos_geo_stat_t)); + s->num = 0; + s->c = pB->c; + apr_table_addn(entries, apr_pstrdup(pool, pB->country), (char *)s); + } + s->num++; + } + } else { + /* modifies each log line inserting the country code + */ + char cr = prev; + char delw[2]; + char delx[2]; + delw[1] = '\0'; + delw[0] = ' '; + delx[1] = '\0'; + delx[0] = ' '; + if(line[ma[1].rm_eo+1] == ' ') { + delx[0] = '\0'; + } + if(line[ma[1].rm_eo+1] == ';') { + delx[0] = ';'; + } + if(prev <= CR) { + prev = ' '; + } + if(prev == ' ') { + delw[0] = '\0'; + } + if(prev == ';') { + delw[0] = '\0'; + delx[0] = ';'; + } + if(pB) { + printf("%s%c%s%s%s%s", line, prev, + delw, + pB->country, + delx, + &line[ma[1].rm_eo+1]); + } else { + printf("%s%c%s--%s%s", line, prev, + delw, + delx, + &line[ma[1].rm_eo+1]); + } + if(cr <= CR) { + printf("\n"); + } + } + } else { + printf("%s", line); + } + fflush(stdout); + } + if(stat) { + int i; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(entries)->elts; + for(i = 0; i < apr_table_elts(entries)->nelts; i++) { + qos_geo_stat_t *s = (qos_geo_stat_t *)entry[i].val; + printf("%7.d %s %s\n", s->num, entry[i].key, s->c ? s->c : ""); + } + } + } + return 0; +} diff --git a/tools/src/qsgrep.c b/tools/src/qsgrep.c new file mode 100644 index 0000000..5b2c654 --- /dev/null +++ b/tools/src/qsgrep.c @@ -0,0 +1,301 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Filter utility for the quality of service module mod_qos. + * + * qsgrep.c: simple tool to search patterns within files + * + * See http://mod-qos.sourceforge.net/ for further details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qsgrep.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +/* system */ +#include <stdio.h> +#include <errno.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +/* apr */ +#include <apr.h> +#include <apr_strings.h> +#include <apr_file_io.h> +#include <apr_time.h> +#include <apr_getopt.h> +#include <apr_general.h> +#include <apr_lib.h> +#include <apr_portable.h> +#include <apr_support.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" + +#ifndef POSIX_MALLOC_THRESHOLD +#define POSIX_MALLOC_THRESHOLD (10) +#endif + +/* same as APR_SIZE_MAX which doesn't appear until APR 1.3 */ +#define QSUTIL_SIZE_MAX (~((apr_size_t)0)) + +typedef struct { + int rm_so; + int rm_eo; +} regmatch_t; + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - prints matching patterns within a file.\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -e <pattern> -o <sub string> [<path>]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s is a simple tool to search patterns within files.\n", cmd); + qs_man_print(man, "It uses regular expressions to find patterns and prints the\n"); + qs_man_print(man, "submatches within a pre-defined format string.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -e <pattern>\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies the search pattern.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -o <string>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the output string where $0-$9 are substituted by the\n"); + qs_man_print(man, " submatches of the regular expression.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the input file to process. %s reads from\n", cmd); + qs_man_print(man, " from standard input if this parameter is omitted.\n"); + printf("\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + qs_man_println(man, "Shows the IP addresses of clients causing mod_qos(031) messages):\n"); + printf("\n"); + } else { + printf("Example (shows the IP addresses of clients causing mod_qos(031) messages):\n"); + } + qs_man_println(man, " %s -e 'mod_qos\\(031\\).*, c=([a-zA-Z0-9:.]*)' -o 'ip=$1' error_log\n", cmd); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +/* + * Substitutes for $0-$9 within the matching string. + * See ap_pregsub(). + */ +char *qs_pregsub(apr_pool_t *pool, const char *input, + const char *source, size_t nmatch, + qs_regmatch_t pmatch[]) { + const char *src = input; + char *dest, *dst; + char c; + size_t no; + int len; + if(!source) { + return NULL; + } + if(!nmatch) { + return apr_pstrdup(pool, src); + } + /* First pass, find the size */ + len = 0; + while((c = *src++) != '\0') { + if(c == '&') + no = 0; + else if (c == '$' && apr_isdigit(*src)) + no = *src++ - '0'; + else + no = 10; + + if (no > 9) { /* Ordinary character. */ + if (c == '\\' && (*src == '$' || *src == '&')) + src++; + len++; + } + else if (no < nmatch && pmatch[no].rm_so < pmatch[no].rm_eo) { + if(QSUTIL_SIZE_MAX - len <= pmatch[no].rm_eo - pmatch[no].rm_so) { + fprintf(stderr, "ERROR, integer overflow or out of memory condition"); + return NULL; + } + len += pmatch[no].rm_eo - pmatch[no].rm_so; + } + + } + dest = dst = apr_pcalloc(pool, len + 1); + /* Now actually fill in the string */ + src = input; + while ((c = *src++) != '\0') { + if (c == '&') + no = 0; + else if (c == '$' && apr_isdigit(*src)) + no = *src++ - '0'; + else + no = 10; + + if (no > 9) { /* Ordinary character. */ + if (c == '\\' && (*src == '$' || *src == '&')) + c = *src++; + *dst++ = c; + } + else if (no < nmatch && pmatch[no].rm_so < pmatch[no].rm_eo) { + len = pmatch[no].rm_eo - pmatch[no].rm_so; + memcpy(dst, source + pmatch[no].rm_so, len); + dst += len; + } + } + *dst = '\0'; + return dest; +} + +int main(int argc, const char * const argv[]) { + unsigned long nr = 0; + char line[32768]; + FILE *file = 0; + apr_pool_t *pool; + char *cmd = strrchr(argv[0], '/'); + const char *out = NULL; + const char *pattern = NULL; + const char *filename = NULL; + qs_regex_t *preg; + qs_regmatch_t regm[QS_MAX_REG_MATCH]; + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-e") == 0) { + if (--argc >= 1) { + pattern = *(++argv); + } + } else if(strcmp(*argv,"-o") == 0) { + if (--argc >= 1) { + out = *(++argv); + } + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + filename = *argv; + } + argc--; + argv++; + } + + if(pattern == NULL || out == NULL) { + usage(cmd, 0); + } + + if(nice(10) == -1) { + fprintf(stderr, "ERROR, failed to change nice value: %s\n", strerror(errno)); + } + + preg = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(preg, pattern, PCRE2_DOTALL) != 0) { + fprintf(stderr, "ERROR, could not compile '%s\n", pattern); + exit(1); + } + apr_pool_pre_cleanup_register(pool, preg, qs_pregfree); + + if(filename) { + file = fopen(filename, "r"); + if(!file) { + fprintf(stderr, "ERROR, could not open file\n"); + exit(1); + } + } else { + file = stdin; + } + + while(fgets(line, sizeof(line), file) != NULL) { + size_t len = strlen(line); + nr++; + if(qs_regexec_len(preg, line, len, QS_MAX_REG_MATCH, regm, 0) >= 0) { + apr_pool_t *subpool; + char *replaced; + apr_pool_create(&subpool, pool); + replaced = qs_pregsub(subpool, out, line, QS_MAX_REG_MATCH, regm); + if(!replaced) { + fprintf(stderr, "ERROR, failed to substitute submatches (line=%lu)\n", nr); + } else { + printf("%s\n", replaced); + fflush(stdout); + } + apr_pool_destroy(subpool); + } + } + + if(filename) { + fclose(file); + } + apr_pool_destroy(pool); + return 0; +} diff --git a/tools/src/qshead.c b/tools/src/qshead.c new file mode 100644 index 0000000..49130ad --- /dev/null +++ b/tools/src/qshead.c @@ -0,0 +1,132 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Utilities for the quality of service module mod_qos. + * + * qshead.c: Shows the beginning of a log file stopping at the provided pattern. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qshead.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <signal.h> + +#include "qs_util.h" + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - an utility reading from stdin and printing all" + " lines to stdout until" + " reaching the defined pattern.\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -p <pattern>\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, " %s reads lines from stdin and prints them to stdout until a line contains\n", cmd); + qs_man_print(man, " the specified pattern (literal string).\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -p <pattern>\n"); + if(man) printf("\n"); + qs_man_print(man, " Search pattern (literal string).\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1) qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +int main(int argc, const char * const argv[]) { + char line[32768]; + const char *pattern = NULL; + char *cmd = strrchr(argv[0], '/'); + int status = 0; + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-p") == 0) { + if (--argc >= 1) { + pattern = *(++argv); + } + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } + argc--; + argv++; + } + + if(pattern == NULL) { + usage(cmd, 0); + } + + while(fgets(line, sizeof(line), stdin) != NULL) { + printf("%s", line); + if(strstr(line, pattern)) { + return status; + } + } + return status; +} diff --git a/tools/src/qslog.c b/tools/src/qslog.c new file mode 100644 index 0000000..da476f8 --- /dev/null +++ b/tools/src/qslog.c @@ -0,0 +1,2681 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ + +/** + * Utilities for the quality of service module mod_qos. + * + * qslog.c: Real time access log data correlation. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qslog.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <string.h> +#include <sys/stat.h> +#include <errno.h> +#include <stdarg.h> +#include <ctype.h> + +#include <stdlib.h> +#include <unistd.h> +#include <pthread.h> +#include <pwd.h> + +#include <regex.h> +#include <time.h> + +/* apr */ +#include <apr.h> +#include <apr_portable.h> +#include <apr_support.h> +#include <apr_strings.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" + +/* ---------------------------------- + * definitions + * ---------------------------------- */ +#define ACTIVE_TIME 600 /* how long is a client "active" (ip addresses seen in the log) */ +#define LOG_INTERVAL 60 /* log interval ist 60 sec, don't change this value */ +#define QS_GC_INTERVAL 10 +#define LOG_DET ".detailed" +#define RULE_DELIM ':' +#define MAX_CLIENT_ENTRIES 25000 +#define MAX_EVENT_ENTRIES 50000 +#define NUM_EVENT_TABLES 8 +#define QS_GENERATIONS 14 +#define EVENT_DELIM ',' +#define QSEVENTPATH "QSEVENTPATH" /* variable name to find event definitions */ +#define QSCOUNTERPATH "QSCOUNTERPATH" /* counter rule definitions */ +#define COUNTER_PATTERN "([a-zA-Z0-9_]+):([a-zA-Z0-9_]+)[-]([0-9]+)[*]([a-zA-Z0-9_]+)[/]([0-9]+)=([0-9]+)" + +/* ---------------------------------- + * structures + * ---------------------------------- */ + +typedef struct { + const char *name; + int limit; + int count; + int total; + time_t start; + int duration; + const char *inc; + const char *dec; + int decVal; +} counter_rec_t; + +typedef struct { + unsigned long long lines; + unsigned long long ms; + unsigned long long pivot[21]; +} duration_t; + +typedef struct { + long request_count; + long status_1; + long status_2; + long status_3; + long status_4; + long status_5; + long long duration_count_ms; +} url_rec_t; + +typedef struct { + long request_count; + long error_count; + long long byte_count; + long long duration; + long long duration_count_ms; + long duration_0; + long duration_1; + long duration_2; + long duration_3; + long duration_4; + long duration_5; + long duration_6; + long status_1; + long status_2; + long status_3; + long status_4; + long status_5; + long status_304; + long connections; + unsigned long max; + apr_table_t *events; + apr_table_t *counters; + apr_pool_t *pool; + long get; + long post; + long html; + long img; + long cssjs; + long other; + time_t start_s; + time_t end_s; + long firstLine; + long lastLine; +} client_rec_t; + +typedef struct stat_rec_st { + // id + char *id; + regex_t preg; + struct stat_rec_st *next; + + // counters + long line_count; + long long i_byte_count; + long long byte_count; + long long duration_count; + long long duration_count_ms; + long duration_49; + long duration_99; + long duration_499; + long duration_999; + long duration_0; + long duration_1; + long duration_2; + long duration_3; + long duration_4; + long duration_5; + long duration_6; + long connections; + + unsigned long long sum; + unsigned long long average; + long average_count; + unsigned long long averAge; + long averAge_count; + unsigned long max; + + duration_t total; + + long status_1; + long status_2; + long status_3; + long status_4; + long status_5; + + long qos_V; + long qos_v; + long qos_s; + long qos_d; + long qos_k; + long qos_t; + long qos_l; + long qos_ser; + long qos_a; + long qos_u; + + apr_table_t *events; + apr_pool_t *pool; +} stat_rec_t; + +typedef struct qs_event_st { + char *id; /**< id, e.g. ip address or client correlator string */ + time_t time; /**< last update, used for expiration */ + long count; /**< event count/updates */ +} qs_event_t; + +/* ---------------------------------- + * global stat counter + * ---------------------------------- */ +static stat_rec_t* m_stat_rec; +static stat_rec_t* m_stat_sub = NULL; + +static time_t m_qs_expiration = 60 * 10; + +static apr_table_t *m_ip_list[NUM_EVENT_TABLES]; /* IP session store */ +static int m_ip_log_max = 0; /* already reached store limit */ +static apr_table_t *m_user_list[NUM_EVENT_TABLES]; /* user session store */ +static int m_usr_log_max = 0; /* already reached store limit */ +static int m_hasGC = 0; /* sep. gc thread or not */ +static qs_event_t **m_gc_event_list = NULL; /* list of entries to delete */ + +/* output file */ +static FILE *m_f = NULL; +static FILE *m_f2 = NULL; +static char m_file_name[MAX_LINE]; +static char m_file_name2[MAX_LINE]; +static int m_rotate = 0; +static int m_generations = QS_GENERATIONS; +/* regex to search the time string */ +static regex_t m_trx_access; +static regex_t m_trx_j; +static regex_t m_trx_g; +/* real time mode (default) or offline */ +static int m_off = 0; +static int m_offline = 0; +static int m_offline_s = 0; +static int m_offline_data = 0; +static char m_date_str[MAX_LINE]; +static int m_mem = 0; +static int m_avms = 0; +static int m_ct = 0; +static int m_customcounter = 0; +static apr_table_t *m_client_entries = NULL; +static int m_max_entries = 0; +static int m_offline_count = 0; +static apr_table_t *m_url_entries = NULL; +static int m_offline_url = 0; +static int m_offline_url_cropped = 0; +static int m_methods = 0; +/* debug/offline */ +static long m_lines = 0; +static int m_verbose = 0; +/* enable/disable event counter */ +static int m_hasEV = 0; + +/* events ----------------------------------------------------- */ +/* + * sets the expiration for events + */ +void qs_setExpiration(time_t sec) { + m_qs_expiration = sec; +} + +/* + * creates a new event entry + */ +static qs_event_t *qs_newEvent(const char *id) { + qs_event_t *ev = calloc(sizeof(qs_event_t), 1); + ev->id = calloc(strlen(id) + 1, 1); + strcpy(ev->id, id); + qs_time(&ev->time); + ev->count = 1; + return ev; +} + +/* + * deletes an event + */ +void qs_freeEvent(qs_event_t *ev) { + free(ev->id); + free(ev); +} + +/** + * Defines in which of the NUM_EVENT_TABLES session stores + * the id shall be added. + * + * @param str Session ID to store + * @return The id of the storage table (0 <= n < NUM_EVENT_TABLES) + */ +static int qs_tableSelector(const char *str) { + int num = 0; + int len = strlen(str); + if(len > 3) { + if(str[len-1] == '=' || + str[len-1] == '\'' || + str[len-1] == '"') { + len--; + } + } + if(str[0] % 2 == 1) { + num += 1; + } + if(len > 1) { + if(str[len-1] % 2 == 1) { + num += 2; + } + if(len > 2) { + if(str[len-2] % 2 == 1) { + num += 4; + } + } + } + return num; +} + +/** + * Inserts an event entry and deletes expired. + * + * @param l_qs_event Pointer to the event list. + * @param id Identifier, e.g. IP address or user tracking cookie + * @param type which counter is used (either 'I' or 'U') + * @return event counter (number of updates) for the provided id + */ +static long qs_insertEventT(apr_table_t **list0, const char *id, const char *type) { + qs_event_t *lp; + int select = qs_tableSelector(id); + apr_table_t *list = list0[select]; + lp = (qs_event_t *)apr_table_get(list, id); + if(lp) { + // exists + qs_time(&lp->time); + lp->count++; + return lp->count; + } + if(apr_table_elts(list)->nelts >= MAX_EVENT_ENTRIES) { + if((type[0] == 'I' && m_ip_log_max == 0) || + (type[0] == 'U' && m_usr_log_max == 0)) { + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + strftime(time_string, sizeof(time_string), "%a %b %d %H:%M:%S %Y", ptr); + fprintf(stderr, "[%s] [notice] qslog: reached event (%s) count limit\n", + time_string, type); + if(type[0] == 'I') { + m_ip_log_max = 1; + } + if(type[0] == 'U') { + m_usr_log_max = 1; + } + } + return 0; + } + lp = qs_newEvent(id); + apr_table_setn(list, lp->id, (char *)lp); + return lp->count; +} + +/** + * deletes expired events + */ +static void gcTable(apr_table_t *list) { + int max = 0; + int i; + apr_table_entry_t *entry; + time_t gmt_time; + qs_time(&gmt_time); + + if(m_hasGC) { + qs_csLock(); + } + // collect expired events... + entry = (apr_table_entry_t *) apr_table_elts(list)->elts; + for(i = 0; i < apr_table_elts(list)->nelts; i++) { + qs_event_t *lp = (qs_event_t *)entry[i].val; + if(lp->time < (gmt_time - m_qs_expiration)) { + m_gc_event_list[max] = lp; + max++; + } + } + // ...remove... + for(i = 0; i < max; i++) { + if(m_hasGC) { + /* we don't want to hold a lock for a long time + => temp release the lock letting the pipe-buffer recover */ + if(i % 10 == 9) { + qs_csUnLock(); + // wait 1ms + apr_sleep(1000); + qs_csLock(); + } + } + apr_table_unset(list, m_gc_event_list[i]->id); + } + if(m_hasGC) { + qs_csUnLock(); + } + + // ...and delete them + for(i = 0; i < max; i++) { + qs_freeEvent(m_gc_event_list[i]); + } +} + +/** + * Returns the number of events + * + * @param event table + * @return Number of entries + */ +static long qs_countEventT(apr_table_t **list) { + int count = 0; + int t; + if(!m_hasGC) { + for(t = 0; t < NUM_EVENT_TABLES; t++) { + gcTable(list[t]); + } + } + for(t = 0; t < NUM_EVENT_TABLES; t++) { + count += apr_table_elts(list[t])->nelts; + } + return count; +} + +/** + * Calls the event table GC + */ +static void *gcThread(void *argv) { + int t; + m_hasGC = 1; + while(1) { + sleep(QS_GC_INTERVAL); + for(t = 0; t < NUM_EVENT_TABLES; t++) { + gcTable(m_ip_list[t]); + gcTable(m_user_list[t]); + } + } + return NULL; +} + +/* ------------------------------------------------------------ */ + +/** + * Helper to print an error message when terminating + * the program due to an unexpected error. + */ +static void qerror(const char *fmt,...) { + char buf[MAX_LINE]; + va_list args; + time_t t = time(NULL); + char *time_string = ctime(&t); + va_start(args, fmt); + vsprintf(buf, fmt, args); + time_string[strlen(time_string) - 1] = '\0'; + fprintf(stderr, "[%s] [error] qslog: %s\n", time_string, buf); + fflush(stderr); +} + +/* + * Similar to standard strstr() but we ignore case in this version. + * see server/util.c + */ +static char *qsstrcasestr(const char *s1, const char *s2) { + char *p1, *p2; + if (*s2 == '\0') { + /* an empty s2 */ + return((char *)s1); + } + while(1) { + for ( ; (*s1 != '\0') && (tolower(*s1) != tolower(*s2)); s1++); + if (*s1 == '\0') { + return(NULL); + } + /* found first character of s2, see if the rest matches */ + p1 = (char *)s1; + p2 = (char *)s2; + for (++p1, ++p2; tolower(*p1) == tolower(*p2); ++p1, ++p2) { + if (*p1 == '\0') { + /* both strings ended together */ + return((char *)s1); + } + } + if (*p2 == '\0') { + /* second string ended, a match */ + break; + } + /* didn't find a match here, try starting at next character in s1 */ + s1++; + } + return((char *)s1); +} + +/* + * skip an element to the next space + */ +static char *skipElement(const char* line) { + char *p = (char *)line; + /* check for quotes (double or single) */ + char delim = p[0]; + if(delim == '\'' || delim == '\"') { + p++; + // read while we found an '" '" which is not escaped + while(p[0] != 0 && + !(p[0] == delim && p[-1] != '\\' && (p[1] == '\0' || p[1] == ' '))) { + p++; + } + p++; + } else { + char *eq = NULL; + if(m_off) { + // offline mode: check for <name>='<value>' entry + eq = strstr(p, "='"); + if(eq && (eq - p) < 10) { + // near hit + p = &eq[3]; + while(p[0] != '\'' && p[0] != 0 && p[-1] != '\\') { + p++; + } + p++; + } else { + // something else... + eq=NULL; + } + } + if(!eq) { + while(p[0] != ' ' && p[0] != 0) { + p++; + } + } + } + while(p[0] == ' ') { + p++; + } + return p; +} + +/** + * Cut fp + */ +static void qsNoFloat(char *s) { + char *pn = strchr(s, '.'); + if(pn) { + pn[0] = '\0'; + } else { + pn = strchr(s, ','); + if(pn) { + pn[0] = '\0'; + } + } +} + +/** + * Strip a number. + */ +static void stripNum(char **p) { + char *s = *p; + int len; + while(s && s[0] && (s[0] < '0' || s[0] > '9')) { + s++; + } + len = strlen(s); + while(len > 0 && (s[len] < '0' || s[len] > '9')) { + s[len] = '\0'; + len--; + } + *p = s; +} + +/** + * Get and cut an element. + * + * @param line Line to parse for the next element. + * @return Pointer to the next element. + */ +static char *cutNext(char **line) { + char *c = *line; + char *p = skipElement(*line); + char delim; + *line = p; + if(p[0]) { + p--; p[0] = '\0'; + } + /* cut leading and tailing " */ + delim = c[0]; + if(delim == '\'' || delim == '\"') { + int len; + c++; + len = strlen(c); + while(len > 0 && c[strlen(c)-1] == delim) { + c[strlen(c)-1] = '\0'; + len--; + } + } + return c; +} + +/** + * Calculates the free system memory. Experimental code. + * Tested on Solaris (calling vmstat) and Linux (reading + * from /proc/meminfo). + * + * @param buf Buffer to write result to + * @sz Max. length of the buffer + */ +static void getFreeMem(char *buf, int sz) { + FILE *f = fopen("/proc/meminfo", "r"); + int mem = 0; + buf[0] = '\0'; + if(f) { + char line[MAX_LINE]; + while(!qs_getLinef(line, sizeof(line), f)) { + if(strncmp(line, "MemFree: ", 9) == 0) { + char *c = &line[9]; + char *e; + while(c[0] && ((c[0] == ' ') || (c[0] == '\t'))) c++; + e = c; + while(e[0] && (e[0] != ' ')) e++; + e[0] = '\0'; + mem = mem + atoi(c); + } + if(strncmp(line, "Cached: ", 8) == 0) { + char *c = &line[8]; + char *e; + while(c[0] && ((c[0] == ' ') || (c[0] == '\t'))) c++; + e = c; + while(e[0] && (e[0] != ' ')) e++; + e[0] = '\0'; + mem = mem + atoi(c); + } + } + fclose(f); + snprintf(buf, sz, "%d", mem); + } else { + // non linux +//#ifdef _SC_AVPHYS_PAGES +// long pageSize = sysconf(_SC_PAGESIZE); +// long freePages = sysconf(_SC_AVPHYS_PAGES); +// mem = pageSize * freePages / 1024; +// snprintf(buf, sz, "%d", mem); +//#else + /* fallback using vmstat (experimental code) */ + char vmstat[] = "/usr/bin/vmstat"; + struct stat attr; + if(stat(vmstat, &attr) == 0) { + char command[1024]; + char outfile[1024]; + snprintf(outfile, sizeof(outfile), "/tmp/qslog.%d", getpid()); + snprintf(command, sizeof(command), "%s 1 2 1>%s", vmstat, outfile); + system(command); + f = fopen(outfile, "r"); + if(f) { + char line[MAX_LINE]; + int i = 1; + while(!qs_getLinef(line, sizeof(line), f)) { + if(i == 4) { + // free memory only (ignores cache) + int j = 0; + char *p = line; + while(p && j < 4) { + p++; + p = strchr(p, ' '); + j++; + } + if(p && (j == 4)) { + char *e; + p++; + e = strchr(p, ' '); + if(e) { + e[0] = '\0'; + snprintf(buf, sz, "%s", p); + } + } + break; + } + i++; + } + fclose(f); + unlink(outfile); + } + } +//#endif + } +} + +/* value names in csv output */ +#define NRS "r/s" +#define NBS "b/s" +#define NBIS "ib/s" +#define NAV "av" +#define NAVMS "avms" + +/** + * Writes the statistic entry stat_rec to the file. + * + * @param f File to write to + * @param timeStr Time string (prefix) + * @param stat_rec Data to write + * @offline Offline mode (less data, e.g. no load) + * @param main Indicates if it is the main log or a sub entry for the detailed log + * @param av Load + * @param mem Free memory + */ +static void printStat2File(FILE *f, char *timeStr, stat_rec_t *stat_rec, + int offline, int main, + double *av, const char *mem) { + char bis[256]; + char esco[256]; + char ip[256]; + char usr[256]; + char avms[256]; + char custom[256]; + bis[0] = '\0'; + esco[0] = '\0'; + avms[0] = '\0'; + custom[0] = '\0'; + + m_ip_log_max = 0; + m_usr_log_max = 0; + + if(stat_rec->i_byte_count != -1) { + sprintf(bis, NBIS";%lld;", stat_rec->i_byte_count/LOG_INTERVAL); + } + if(main && stat_rec->connections != -1) { + sprintf(esco, "esco;%ld;", stat_rec->connections); + } + if(m_avms) { + sprintf(avms, NAVMS";%lld;", + stat_rec->duration_count_ms/(stat_rec->line_count == 0 ? 1 : stat_rec->line_count)); + // improve accuracy (rounding errors): + stat_rec->duration_count = stat_rec->duration_count_ms / 1000; + } + if(m_customcounter) { + // max len: 18446744073709551615 + sprintf(custom, "s;%llu;a;%llu;A;%llu;M;%lu;", + stat_rec->sum, + stat_rec->average / (stat_rec->average_count == 0 ? 1 : stat_rec->average_count), + stat_rec->averAge / (stat_rec->averAge_count == 0 ? 1 : stat_rec->averAge_count), + stat_rec->max); + } + if(main) { + sprintf(ip, "ip;%ld;", qs_countEventT(m_ip_list)); + sprintf(usr, "usr;%ld;", qs_countEventT(m_user_list)); + } else { + ip[0] = '\0'; + usr[0] = '\0'; + } + + fprintf(f, "%s;" + "%s" + NRS";%ld;" + "req;%ld;" + NBS";%lld;" + "%s" + "%s" + "1xx;%ld;" + "2xx;%ld;" + "3xx;%ld;" + "4xx;%ld;" + "5xx;%ld;" + "%s" + NAV";%lld;", + timeStr, + main ? "" : stat_rec->id, + stat_rec->line_count/LOG_INTERVAL, + stat_rec->line_count, + stat_rec->byte_count/LOG_INTERVAL, + bis, + esco, + stat_rec->status_1, + stat_rec->status_2, + stat_rec->status_3, + stat_rec->status_4, + stat_rec->status_5, + avms, + stat_rec->duration_count/(stat_rec->line_count == 0 ? 1 : stat_rec->line_count)); + if(m_avms) { + fprintf(f, + "0-49ms;%ld;" + "50-99ms;%ld;" + "100-499ms;%ld;" + "500-999ms;%ld;", + stat_rec->duration_49, + stat_rec->duration_99, + stat_rec->duration_499, + stat_rec->duration_999); + } + fprintf(f, + "<1s;%ld;" + "1s;%ld;" + "2s;%ld;" + "3s;%ld;" + "4s;%ld;" + "5s;%ld;" + ">5s;%ld;" + "%s" + "%s" + , + stat_rec->duration_0, + stat_rec->duration_1, + stat_rec->duration_2, + stat_rec->duration_3, + stat_rec->duration_4, + stat_rec->duration_5, + stat_rec->duration_6, + ip, + usr + ); + if(m_hasEV) { + fprintf(f, + "qV;%ld;" + "qv;%ld;" + "qS;%ld;" + "qD;%ld;" + "qK;%ld;" + "qT;%ld;" + "qL;%ld;" + "qs;%ld;" + "qA;%ld;" + "qu;%ld;", + stat_rec->qos_V, + stat_rec->qos_v, + stat_rec->qos_s, + stat_rec->qos_d, + stat_rec->qos_k, + stat_rec->qos_t, + stat_rec->qos_l, + stat_rec->qos_ser, + stat_rec->qos_a, + stat_rec->qos_u); + } + fprintf(f, "%s", + custom); + stat_rec->line_count = 0; + stat_rec->byte_count = 0; + if(stat_rec->i_byte_count != -1) { + stat_rec->i_byte_count = 0; + } + if(main && (stat_rec->connections != -1)) { + stat_rec->connections = 0; + } + stat_rec->sum = 0; + stat_rec->average = 0; + stat_rec->average_count = 0; + stat_rec->averAge = 0; + stat_rec->averAge_count = 0; + stat_rec->max = 0; + stat_rec->status_1 = 0; + stat_rec->status_2 = 0; + stat_rec->status_3 = 0; + stat_rec->status_4 = 0; + stat_rec->status_5 = 0; + stat_rec->duration_count = 0; + stat_rec->duration_count_ms = 0; + stat_rec->duration_49 = 0; + stat_rec->duration_99 = 0; + stat_rec->duration_499 = 0; + stat_rec->duration_999 = 0; + stat_rec->duration_0 = 0; + stat_rec->duration_1 = 0; + stat_rec->duration_2 = 0; + stat_rec->duration_3 = 0; + stat_rec->duration_4 = 0; + stat_rec->duration_5 = 0; + stat_rec->duration_6 = 0; + stat_rec->qos_V = 0; + stat_rec->qos_v = 0; + stat_rec->qos_s = 0; + stat_rec->qos_d = 0; + stat_rec->qos_k = 0; + stat_rec->qos_t = 0; + stat_rec->qos_l = 0; + stat_rec->qos_ser = 0; + stat_rec->qos_a = 0; + stat_rec->qos_u = 0; + if(main) { + if(!offline) { + fprintf(f, "sl;%.2f;", av[0]); + if(m_mem) { + fprintf(f, "m;%s;", mem[0] ? mem : "-"); + } + } else { + m_offline_data = 0; + } + } + if(apr_table_elts(stat_rec->events)->nelts > 0) { + int i; + apr_table_entry_t *entry = (apr_table_entry_t *) apr_table_elts(stat_rec->events)->elts; + for(i = 0; i < apr_table_elts(stat_rec->events)->nelts; i++) { + const char *eventName = entry[i].key; + int *eventVal = (int *)entry[i].val; + fprintf(f, "%s;%d;", eventName, *eventVal); + (*eventVal) = 0; + } + } + fprintf(f, "\n"); +} + +/** + * updates the counter by event or status conditions + */ +static void qs_updateCounter(apr_pool_t *pool, char *E, char *S, apr_table_t *counters) { + time_t ltime; + apr_table_entry_t *entry; + int i; + if(counters == NULL) { + return; + } + if(S == 0 && E == NULL) { + return; + } + qs_time(<ime); + entry = (apr_table_entry_t *) apr_table_elts(counters)->elts; + for(i = 0; i < apr_table_elts(counters)->nelts; i++) { + counter_rec_t *c = (counter_rec_t *)entry[i].val; + if(c->start && ((c->start + c->duration) < ltime)) { + // expired + c->start = 0; + c->count = 0; + } + } + for(i = 0; i < apr_table_elts(counters)->nelts; i++) { + counter_rec_t *c = (counter_rec_t *)entry[i].val; + if(S) { + if((strncmp(c->name, "STATUS", 6) == 0) && + (strstr(c->inc, S) != NULL)) { + if(c->start == 0) { + c->start = ltime; + } + c->count++; + if(c->count == c->limit) { + c->total++; + } + } + } + if(E) { + if(strstr(c->inc, E)) { + if(c->start == 0) { + c->start = ltime; + } + c->count++; + if(strstr(c->dec, E)) { + if(c->count > c->decVal) { + c->count = c->count - c->decVal; + } else { + c->count = 0; + } + } + if(c->count == c->limit) { + c->total++; + } + } + } + } +} + +static void qs_updateEvents(apr_pool_t *pool, char *E, apr_table_t *events) { + if(!E[0]) { + return; + } + while(E) { + char *restore = NULL; + char *sep = strchr(E, EVENT_DELIM); + int *val; + if(sep) { + sep[0] = '\0'; + restore = sep; + sep++; + } + if(isalnum(E[0])) { + val = (int *)apr_table_get(events, E); + if(val) { + (*val)++; + } else { + // new event + char *name = apr_pstrdup(pool, E); + val = apr_pcalloc(pool, sizeof(int)); + (*val) = 1; + apr_table_setn(events, name, (char *)val); + } + } + E = sep; + if(restore) { + // supports multiple parsing of the event string + restore[0] = EVENT_DELIM; + } + } +} + +/** + * Reads the counter rule file, each line contains: + * <name>:<event>-<n>*<event>/<duration>=<limit> + */ +static void qsInitCounter(apr_pool_t *pool, apr_table_t *counters) { + const char *envFile = getenv(QSCOUNTERPATH); + if(envFile != NULL) { + qs_regmatch_t regm[QS_MAX_REG_MATCH]; + qs_regex_t *pcrestat = apr_palloc(pool, sizeof(qs_regex_t)); + FILE *file = fopen(envFile, "r"); + if(qs_regcomp(pcrestat, COUNTER_PATTERN, PCRE2_CASELESS) != 0) { + fprintf(stderr, "ERROR, could not compile '%s'\n", COUNTER_PATTERN); + exit(1); + } + apr_pool_pre_cleanup_register(pool, pcrestat, qs_pregfree); + if(file != NULL) { + char line[MAX_LINE]; + while(!qs_getLinef(line, sizeof(line), file)) { + if(qs_regexec_len(pcrestat, line, strlen(line), QS_MAX_REG_MATCH, regm, 0) >= 0) { + counter_rec_t *c = apr_pcalloc(pool, sizeof(counter_rec_t)); + c->name = apr_pstrndup(pool, &line[regm[1].rm_so], regm[1].rm_eo - regm[1].rm_so); + c->count = 0; + c->total = 0; + c->start = 0; + c->inc = apr_pstrndup(pool, &line[regm[2].rm_so], regm[2].rm_eo - regm[2].rm_so); + c->decVal = atoi(apr_pstrndup(pool, &line[regm[3].rm_so], regm[3].rm_eo - regm[3].rm_so)); + c->dec = apr_pstrndup(pool, &line[regm[4].rm_so], regm[4].rm_eo - regm[4].rm_so); + c->duration = atoi(apr_pstrndup(pool, &line[regm[5].rm_so], regm[5].rm_eo - regm[5].rm_so)); + c->limit = atoi(apr_pstrndup(pool, &line[regm[6].rm_so], regm[6].rm_eo - regm[6].rm_so)); + if(m_verbose) { + fprintf(stderr, "%s : %s - (%d * %s) / %d = %d\n", + c->name, c->inc, c->decVal, c->dec, c->duration, c->limit); + } + apr_table_setn(counters, c->name, (char *)c); + } + } + fclose(file); + } + } +} + +/** + * Initializes the event table by the events specified within the + * file whose path is defined by the QSEVENTPATH environment + * variable. + * File contains event names, separated by comma and/or new line. + * + * @param pool To allocate memory + * @param events Table to init + */ +static void qsInitEvent(apr_pool_t *pool, apr_table_t *events) { + const char *envFile = getenv(QSEVENTPATH); + if(envFile != NULL) { + FILE *file = fopen(envFile, "r"); + if(file != NULL) { + char line[MAX_LINE]; + while(!qs_getLinef(line, sizeof(line), file)) { + char *p = line; + char *name; + int *val; + while(p && p[0]) { + /* file contains a list of known events (comma sep. + event names on one or multiple lines) */ + char *n = strchr(p, EVENT_DELIM); + if(n) { + n[0] = '\0'; + n++; + } + name = apr_pstrdup(pool, p); + val = apr_pcalloc(pool, sizeof(int)); + (*val) = 0; + apr_table_setn(events, name, (char *)val); + p = n; + } + } + fclose(file); + } + } +} + +/** + * Creates and init new status rec + * + * @param id Identification of the id + * @param pattern Pattern to match the log data line + * @return + */ +static stat_rec_t *createRec(apr_pool_t *pool, const char *id, const char *pattern) { + stat_rec_t *rec = calloc(sizeof(stat_rec_t), 1); + rec->id = calloc(strlen(id)+2, 1); + sprintf(rec->id, "%s;", id); + rec->id[strlen(id)+1] = '\0'; + if(regcomp(&rec->preg, pattern, REG_EXTENDED)) { + qerror("failed to compile pattern %s", pattern); + exit(1); + } + rec->next = NULL; + + rec->line_count = 0; + rec->i_byte_count = -1; + rec->byte_count = 0; + rec->duration_count = 0; + rec->duration_count_ms = 0; + rec->duration_49 = 0; + rec->duration_99 = 0; + rec->duration_499 = 0; + rec->duration_999 = 0; + rec->duration_0 = 0; + rec->duration_1 = 0; + rec->duration_2 = 0; + rec->duration_3 = 0; + rec->duration_4 = 0; + rec->duration_5 = 0; + rec->duration_6 = 0; + rec->connections = -1; + + rec->sum = 0; + rec->average = 0; + rec->average_count = 0; + rec->averAge = 0; + rec->averAge_count = 0; + rec->max = 0; + + rec->total.lines = 0; + rec->total.ms = 0; + { + int p = 0; + for(p = 0; p < 21; p++) { + rec->total.pivot[p] = 0; + } + } + + rec->status_1 = 0; + rec->status_2 = 0; + rec->status_3 = 0; + rec->status_4 = 0; + rec->status_5 = 0; + + rec->qos_V = 0; + rec->qos_v = 0; + rec->qos_s = 0; + rec->qos_d = 0; + rec->qos_k = 0; + rec->qos_t = 0; + rec->qos_l = 0; + rec->qos_ser = 0; + rec->qos_a = 0; + rec->qos_u = 0; + + rec->events = apr_table_make(pool, 300); + rec->pool = pool; + qsInitEvent(pool, rec->events); + return rec; +} + +/** + * Retrieves the best matching record (longest match( + * + * @param Parameter to match, e.g. URL + * @return Matching entry (NULL if no match) + */ +static stat_rec_t *getRec(const char *value) { + regmatch_t ma[1]; + int len = 0; + stat_rec_t *r = m_stat_sub; + stat_rec_t *rec = NULL; + while(r) { + if(regexec(&r->preg, value, 1, ma, 0) == 0) { + int l = ma[0].rm_eo - ma[0].rm_so + 1; + if(l > len) { + // longest match + len = l; + rec = r; + } + } + r = r->next; + } + return rec; +} + +/** + * writes all stat data to the out file + * an resets all counters. + * + * @param timeStr + */ +static void printAndResetStat(char *timeStr) { + stat_rec_t *r = m_stat_sub; + double av[1]; + char mem[256]; + if(!m_offline) { + getloadavg(av, 1); + if(m_mem) { + getFreeMem(mem, sizeof(mem)); + } else { + mem[0] = '\0'; + } + } else { + mem[0] = '\0'; + } + qs_csLock(); + printStat2File(m_f, timeStr, m_stat_rec, m_offline, 1, av, mem); + while(r) { + printStat2File(m_f2, timeStr, r, m_offline, 0, av, mem); + r = r->next; + } + qs_csUnLock(); + fflush(m_f); + if(m_f2) { + fflush(m_f2); + } +} + +/** + * Updates the per url records + */ +static void updateUrl(apr_pool_t *pool, char *R, char *S, long tmems) { + url_rec_t *url_rec; + char *marker; + if(R == NULL) { + return; + } + if(!isalpha(R[0])) { + fprintf(stdout, "A(%ld)", m_lines); + return; + } + marker = strchr(R, ' '); + if(marker == NULL) { + fprintf(stdout, "E(%ld)", m_lines); + return; + } + marker[0] = ';'; + marker = strrchr(R, ' '); + if(marker) { + marker[0] = '\0'; + } + marker = strchr(R, '?'); + if(marker) { + marker[0] = '\0'; + } + if(m_offline_url_cropped) { + char *root = strchr(R, '/'); + marker = strrchr(R, '/'); + if(marker && marker != root) { + marker[0] = '\0'; + } + } + url_rec = (url_rec_t *)apr_table_get(m_url_entries, R); + if(url_rec == NULL) { + if(apr_table_elts(m_url_entries)->nelts >= MAX_CLIENT_ENTRIES) { + // limitation + if(!m_max_entries) { + fprintf(stderr, "\nreached max url entries (%d)\n", MAX_CLIENT_ENTRIES); + m_max_entries = 1; + } + return; + } + url_rec = apr_pcalloc(pool, sizeof(url_rec_t)); + url_rec->request_count = 0; + url_rec->status_1 = 0; + url_rec->status_2 = 0; + url_rec->status_3 = 0; + url_rec->status_4 = 0; + url_rec->status_5 = 0; + url_rec->duration_count_ms = 0; + apr_table_setn(m_url_entries, apr_pstrdup(pool, R), (char *)url_rec); + } + url_rec->request_count++; + if(S) { + if(S[0] == '1') { + url_rec->status_1++; + } else if(S[0] == '1') { + url_rec->status_1++; + } else if(S[0] == '2') { + url_rec->status_2++; + } else if(S[0] == '3') { + url_rec->status_3++; + } else if(S[0] == '4') { + url_rec->status_4++; + } else if(S[0] == '5') { + url_rec->status_5++; + } + } + url_rec->duration_count_ms += tmems; +} + +/** + * Updates the per client record + */ +static void updateClient(apr_pool_t *pool, char *T, char *t, char *D, char *S, + char *BI, char *B, char *R, char *I, char *U, char *Q, + char *E, char *k, char *C, char *M, char *ct, long tme, long tmems, + char *m) { + client_rec_t *client_rec; + const char *id = I; // ip + if(id == NULL) { + id = U; // user + } + if(id == NULL) { + return; + } + client_rec = (client_rec_t *)apr_table_get(m_client_entries, id); + if(client_rec == NULL) { + char *tid; + if(apr_table_elts(m_client_entries)->nelts >= MAX_CLIENT_ENTRIES) { + // limitation: speed (table to big) and memory + if(!m_max_entries) { + fprintf(stderr, "\nreached max client entries (%d)\n", MAX_CLIENT_ENTRIES); + m_max_entries = 1; + } + return; + } + tid = calloc(strlen(id)+1, 1); + client_rec = calloc(sizeof(client_rec_t), 1); + strcpy(tid, id); + tid[strlen(id)] = '\0'; + client_rec->request_count = 0; + client_rec->error_count = 0; + client_rec->byte_count = 0; + client_rec->duration = 0; + client_rec->duration_count_ms = 0; + client_rec->duration_0 = 0; + client_rec->duration_1 = 0; + client_rec->duration_2 = 0; + client_rec->duration_3 = 0; + client_rec->duration_4 = 0; + client_rec->duration_5 = 0; + client_rec->duration_6 = 0; + client_rec->status_1 = 0; + client_rec->status_2 = 0; + client_rec->status_3 = 0; + client_rec->status_4 = 0; + client_rec->status_5 = 0; + client_rec->status_304 = 0; + client_rec->connections = 0; + client_rec->max = 0; + client_rec->events = apr_table_make(pool, 100); + client_rec->counters = apr_table_make(pool, 10); + client_rec->pool = pool; + client_rec->get = 0; + client_rec->post = 0; + client_rec->html = 0; + client_rec->img = 0; + client_rec->cssjs = 0; + client_rec->other = 0; + qs_time(&client_rec->start_s); + client_rec->end_s = client_rec->start_s + 1; // +1 prevents div by 0 + client_rec->firstLine = m_lines; + qsInitEvent(pool, client_rec->events); + qsInitCounter(pool, client_rec->counters); + apr_table_setn(m_client_entries, tid, (char *)client_rec); + } else { + qs_time(&client_rec->end_s); + } + client_rec->lastLine = m_lines; + client_rec->request_count++; + client_rec->duration += tme; + client_rec->duration_count_ms += tmems; + if(k != NULL) { + if(k[0] == '0' && k[1] == '\0') { + client_rec->connections++; + } + } + if(tme < 1) { + client_rec->duration_0++; + } else if(tme == 1) { + client_rec->duration_1++; + } else if(tme == 2) { + client_rec->duration_2++; + } else if(tme == 3) { + client_rec->duration_3++; + } else if(tme == 4) { + client_rec->duration_4++; + } else if(tme == 5) { + client_rec->duration_5++; + } else { + client_rec->duration_6++; + } + if(B != NULL) { + client_rec->byte_count += atol(B); + } + if(ct) { + if(qsstrcasestr(ct, "html")) { + client_rec->html++; + } else if(qsstrcasestr(ct, "image")) { + client_rec->img++; + } else if(qsstrcasestr(ct, "css")) { + client_rec->cssjs++; + } else if(qsstrcasestr(ct, "javascript")) { + client_rec->cssjs++; + } else { + client_rec->other++; + } + } + if(M && M[0]) { + long max = atol(M); + if(max > client_rec->max) { + client_rec->max = max; + } + } + if(m) { + if(strcasecmp(m, "get") == 0) { + client_rec->get++; + } else if(strcasecmp(m, "post") == 0) { + client_rec->post++; + } + } + if(S != NULL) { + if(strcmp(S, "200") != 0 && strcmp(S, "304") != 0 && strcmp(S, "302") != 0) { + client_rec->error_count++; + } + if(S[0] == '1') { + client_rec->status_1++; + } else if(S[0] == '1') { + client_rec->status_1++; + } else if(S[0] == '2') { + client_rec->status_2++; + } else if(S[0] == '3') { + client_rec->status_3++; + if(S[1] == '0' && S[2] == '4') { + client_rec->status_304++; + } + } else if(S[0] == '4') { + client_rec->status_4++; + } else if(S[0] == '5') { + client_rec->status_5++; + } + } + if(E != NULL) { + qs_updateEvents(client_rec->pool, E, client_rec->events); + } + qs_updateCounter(client_rec->pool, E, S, client_rec->counters); + return; +} + +/** + * Updates standard record + */ +static void updateRec(stat_rec_t *rec, char *T, char *t, char *D, char *S, + char *s, char *a, char *A, + char *BI, char *B, char *R, char *I, char *U, char *Q, + char *E, char *k, char *C, char *M, long tme, long tmems) { + if(Q != NULL) { + if(strchr(Q, 'V') != NULL) { + rec->qos_V++; + } + if(strchr(Q, 'v') != NULL) { + rec->qos_v++; + } + if(strchr(Q, 'S') != NULL) { + rec->qos_s++; + } + if(strchr(Q, 'D') != NULL) { + rec->qos_d++; + } + if(strchr(Q, 'K') != NULL) { + rec->qos_k++; + } + if(strchr(Q, 'T') != NULL) { + rec->qos_t++; + } + if(strchr(Q, 'L') != NULL) { + rec->qos_l++; + } + if(strchr(Q, 's') != NULL) { + rec->qos_ser++; + } + if(strchr(Q, 'A') != NULL) { + rec->qos_a++; + } + if(strchr(Q, 'u') != NULL) { + rec->qos_u++; + } + } + if(E != NULL) { + qs_updateEvents(rec->pool, E, rec->events); + } + if(I != NULL) { + /* update/store client IP */ + qs_insertEventT(m_ip_list, I, "I"); + } + if(U != NULL) { + /* update/store user */ + qs_insertEventT(m_user_list, U, "U"); + } + if(B != NULL) { + /* transferred bytes */ + rec->byte_count += atoi(B); + } + if(BI != NULL) { + /* transferred bytes */ + rec->i_byte_count += atoi(BI); + } + if(k != NULL) { + if(k[0] == '0' && k[1] == '\0') { + rec->connections++; + } + } + if(s != NULL) { + rec->sum += atol(s); + } + if(a != NULL && a[0]) { + rec->average += atol(a); + rec->average_count++; + } + if(A != NULL && A[0]) { + rec->averAge += atol(A); + rec->averAge_count++; + } + if(M && M[0]) { + long max = atol(M); + if(max > rec->max) { + rec->max = max; + } + } + + if(S != NULL) { + if(S[0] == '1') { + rec->status_1++; + } else if(S[0] == '1') { + rec->status_1++; + } else if(S[0] == '2') { + rec->status_2++; + } else if(S[0] == '3') { + rec->status_3++; + } else if(S[0] == '4') { + rec->status_4++; + } else if(S[0] == '5') { + rec->status_5++; + } + } + if(T != NULL || t != NULL || D != NULL) { + /* response duration */ + rec->duration_count += tme; + rec->duration_count_ms += tmems; + if(m_offline_s) { + long min = 0; + long max = 50; + int p; + rec->total.lines++; + rec->total.ms += tmems; + for(p = 0; p < 20; p++) { + // 0ms <= time < 50ms etc. + if((min <= tmems) && (tmems < max)) { + rec->total.pivot[p]++; + break; + } + min = max; + max += 50; + } + if(tmems >= 1000) { + // time >= 1000ms (20x50ms) + rec->total.pivot[20]++; + } + } + if(m_avms) { + if(tmems < 49) { + rec->duration_49++; + } else if(50 <= tmems && tmems < 99) { + rec->duration_99++; + } else if(100 <= tmems && tmems < 499) { + rec->duration_499++; + } else if(500 <= tmems && tmems < 999) { + rec->duration_999++; + } + } + if(tme < 1) { + rec->duration_0++; + } else if(tme == 1) { + rec->duration_1++; + } else if(tme == 2) { + rec->duration_2++; + } else if(tme == 3) { + rec->duration_3++; + } else if(tme == 4) { + rec->duration_4++; + } else if(tme == 5) { + rec->duration_5++; + } else { + rec->duration_6++; + } + } + /* request counter */ + rec->line_count++; +} + +/* + * updates the counters based on the information + * found in the current access log line + * + * . = any string to skip till the next [space] + * T = duration + * B = bytes + * + * Example: + * 127.0.0.1 [03/Nov/2006:21:06:41 +0100] "GET /index.html HTTP/1.1" 200 2836 "Wget/1.9.1" 0 + * . . . R . T + */ +static void updateStat(apr_pool_t *pool, const char *cstr, char *line) { + stat_rec_t *rec = NULL; + char *T = NULL; /* time */ + char *t = NULL; /* time ms */ + char *D = NULL; /* time us */ + char *S = NULL; /* status */ + char *BI = NULL; /* bytes in */ + char *B = NULL; /* bytes */ + char *R = NULL; /* request line */ + char *I = NULL; /* client ip */ + char *U = NULL; /* user */ + char *Q = NULL; /* mod_qos event message */ + char *k = NULL; /* connections (keep alive requests = 0) */ + char *C = NULL; /* custom patter matching the config file */ + char *s = NULL; /* sum */ + char *a = NULL; /* average 1 */ + char *A = NULL; /* average 2 */ + char *M = NULL; /* max */ + char *E = NULL; /* events */ + char *ct = NULL; /* content type */ + char *m = NULL; /* method */ + const char *c = cstr; + char *l = line; + long tme; + long tmems; + if(!line[0]) return; + if(m_off) { + m_lines++; + } + while(c[0]) { + /* process known types */ + if(c[0] == '.') { + if(l != NULL && l[0] != '\0') { + l = skipElement(l); + } + } else if(c[0] == 'T') { + if(l != NULL && l[0] != '\0') { + T = cutNext(&l); + } + } else if(c[0] == 't') { + if(l != NULL && l[0] != '\0') { + t = cutNext(&l); + } + } else if(c[0] == 'D') { + if(l != NULL && l[0] != '\0') { + D = cutNext(&l); + } + } else if(c[0] == 'S') { + if(l != NULL && l[0] != '\0') { + S = cutNext(&l); + } + } else if(c[0] == 'B') { + if(l != NULL && l[0] != '\0') { + B = cutNext(&l); + } + } else if(c[0] == 'i') { + if(l != NULL && l[0] != '\0') { + BI = cutNext(&l); + } + } else if(c[0] == 'k') { + if(l != NULL && l[0] != '\0') { + k = cutNext(&l); + } + } else if(c[0] == 'C') { + if(l != NULL && l[0] != '\0') { + C = cutNext(&l); + } + } else if(c[0] == 'c') { + if(l != NULL && l[0] != '\0') { + ct = cutNext(&l); + } + } else if(c[0] == 'm') { + if(l != NULL && l[0] != '\0') { + m = cutNext(&l); + } + } else if(c[0] == 'R') { + if(l != NULL && l[0] != '\0') { + R = cutNext(&l); + } + } else if(c[0] == 'I') { + if(l != NULL && l[0] != '\0') { + I = cutNext(&l); + } + } else if(c[0] == 'U') { + if(l != NULL && l[0] != '\0') { + U = cutNext(&l); + } + } else if(c[0] == 'Q') { + if(l != NULL && l[0] != '\0') { + Q = cutNext(&l); + } + } else if(c[0] == 's') { + if(l != NULL && l[0] != '\0') { + s = cutNext(&l); + } + } else if(c[0] == 'a') { + if(l != NULL && l[0] != '\0') { + a = cutNext(&l); + } + } else if(c[0] == 'A') { + if(l != NULL && l[0] != '\0') { + A = cutNext(&l); + } + } else if(c[0] == 'M') { + if(l != NULL && l[0] != '\0') { + M = cutNext(&l); + } + } else if(c[0] == 'E') { + if(l != NULL && l[0] != '\0') { + E = cutNext(&l); + } + } else if(c[0] == ' ') { + /* do nothing */ + } else { + /* undefined/unknown char, skip it */ + if(l != NULL && l[0] != '\0') { + l++; + } + } + c++; + } + if(C) { + rec = getRec(C); + } + + qs_csLock(); + if(B != NULL) { + /* transferred bytes */ + stripNum(&B); + } + if(BI != NULL) { + /* transferred bytes */ + stripNum(&BI); + } + if(k != NULL) { + stripNum(&k); + } + if(S != NULL) { + stripNum(&S); + } + if(s != NULL) { + stripNum(&s); + qsNoFloat(s); + } + if(a != NULL) { + stripNum(&a); + qsNoFloat(a); + } + if(A != NULL) { + stripNum(&A); + qsNoFloat(A); + } + if(M != NULL) { + stripNum(&M); + qsNoFloat(M); + } + + /* request duration */ + tme = 0; + tmems = 0; + if(T) { + stripNum(&T); + tme = atol(T); + } + if(t) { + stripNum(&t); + tmems= atol(t); + tme = tmems / 1000; + } + if(D) { + stripNum(&D); + tmems = atol(D); + tmems = tmems / 1000; + tme = tmems / 1000; + } + + if(m_offline_count) { + updateClient(pool, T, t, D, S, BI, B, R, I, U, Q, E, k, C, M, ct, tme, tmems, m); + } else if(m_offline_url) { + if((tmems) == 0 && (tme > 0)) { + tmems = 1000 * tme; + } + updateUrl(pool, R, S, tmems); + } else { + updateRec(m_stat_rec, T, t, D, S, s, a, A, BI, B, R, I, U, Q, E, k, C, M, tme, tmems); + if(rec) { + updateRec(rec, T, t, D, S, s, a, A, BI, B, R, I, U, Q, E, k, C, M, tme, tmems); + } + } + qs_csUnLock(); + + if(m_verbose && m_off) { + printf("[%ld] I=[%s] U=[%s] B=[%s] i=[%s] S=[%s] T=[%ld](%ld) Q=[%s] E=[%s] k=[%s] R=[%s]\n", m_lines, + I == NULL ? "(null)" : I, + U == NULL ? "(null)" : U, + B == NULL ? "(null)" : B, + BI == NULL ? "(null)" : BI, + S == NULL ? "(null)" : S, + tme, tmems, + Q == NULL ? "(null)" : Q, + E == NULL ? "(null)" : E, + k == NULL ? "(null)" : k, + R == NULL ? "(null)" : R + ); + } + line[0] = '\0'; +} + +/* + * convert month string to int + */ +static int mstr2i(const char *m) { + if(strcmp(m, "Jan") == 0) return 1; + if(strcmp(m, "Feb") == 0) return 2; + if(strcmp(m, "Mar") == 0) return 3; + if(strcmp(m, "Apr") == 0) return 4; + if(strcmp(m, "May") == 0) return 5; + if(strcmp(m, "Jun") == 0) return 6; + if(strcmp(m, "Jul") == 0) return 7; + if(strcmp(m, "Aug") == 0) return 8; + if(strcmp(m, "Sep") == 0) return 9; + if(strcmp(m, "Oct") == 0) return 10; + if(strcmp(m, "Nov") == 0) return 11; + if(strcmp(m, "Dec") == 0) return 12; + return 0; +} + +/** + * Extracts the time from the log line using the + * Apache access default time format (%t) + */ +static time_t getMinutesAccessLog(char *line, regmatch_t ma) { + time_t minutes = 0; + int buf_len = ma.rm_eo - ma.rm_so + 1; + char buf[buf_len]; + strncpy(buf, &line[ma.rm_so], ma.rm_eo - ma.rm_so); + buf[ma.rm_eo - ma.rm_so] = '\0'; + /* dd/MMM/yyyy:hh:mm:ss */ + /* cut seconds */ + buf[strlen(buf)-3] = '\0'; + /* get minutes */ + minutes = minutes + (atoi(&buf[strlen(buf)-2])); + /* cut minutes */ + buf[strlen(buf)-3] = '\0'; + /* get hours */ + minutes = minutes + (atoi(&buf[strlen(buf)-2]) * 60); + + /* store date information */ + { + char *year; + char *month; + char *day; + /* cut hours */ + buf[strlen(buf)-3] = '\0'; + year = &buf[strlen(buf)-4]; + /* cut year */ + buf[strlen(buf)-5] = '\0'; + month = &buf[strlen(buf)-3]; + /* cut month */ + buf[strlen(buf)-4] = '\0'; + day = buf; + snprintf(m_date_str, sizeof(m_date_str), "%s.%02d.%s", day, mstr2i(month), year); + } + return minutes; +} + +/** + * Extracts the time from the log line using the + * the time patterns "yyyy mm dd hh:mm:ss,mmm" or + * "yyyy mm dd hh:mm:ss.mmm" + */ +static time_t getMinutesJLog(char *line, regmatch_t ma) { + time_t minutes = 0; + int buf_len = ma.rm_eo - ma.rm_so + 1; + char buf[buf_len]; + strncpy(buf, &line[ma.rm_so], ma.rm_eo - ma.rm_so); + buf[ma.rm_eo - ma.rm_so] = '\0'; + /* yyyy mm dd hh:mm:ss,mmm */ + /* cut seconds */ + buf[strlen(buf)-7] = '\0'; + /* get minutes */ + minutes = minutes + (atoi(&buf[strlen(buf)-2])); + /* cut minutes */ + buf[strlen(buf)-3] = '\0'; + /* get hours */ + minutes = minutes + (atoi(&buf[strlen(buf)-2]) * 60); + /* store date information */ + { + char *year; + char *month; + char *day; + /* cut hours */ + buf[strlen(buf)-3] = '\0'; + day = &buf[strlen(buf)-2]; + /* cut day */ + buf[strlen(buf)-3] = '\0'; + month = &buf[strlen(buf)-2]; + /* cut month */ + buf[strlen(buf)-3] = '\0'; + year = buf; + snprintf(m_date_str, sizeof(m_date_str), "%s.%s.%s", day, month, year); + } + return minutes; +} + +/* + * gets today's time in minutes from the access log line + */ +static time_t getMinutes(char *line) { + regmatch_t ma[2]; + if(regexec(&m_trx_access, line, 1, ma, 0) == 0) { + return getMinutesAccessLog(line, ma[0]); + } + if(regexec(&m_trx_j, line, 1, ma, 0) == 0) { + return getMinutesJLog(line, ma[0]); + } + if(regexec(&m_trx_g, line, 2, ma, 0) == 0) { + time_t minutes = 0; + int len = ma[1].rm_eo - ma[1].rm_so; + char buf[len+1]; + strncpy(buf, &line[ma[1].rm_so], len); + buf[len] = '\0'; + /* hh:mm */ + buf[2] = '\0'; + minutes = atoi(buf) * 60; + minutes = minutes + atoi(&buf[3]); + return minutes; + } + // unknown format (not relevant for "-pu"/"-puc" but for "-p" mode) + if(m_offline_url == 0) { + fprintf(stdout, "F(%ld)", m_lines); + } + return 0; +} + +/* + * reads from stdin and calls updateStat() + * => used for real time analysis + */ +static void readStdin(apr_pool_t *pool, const char *cstr) { + char line[MAX_LINE]; + int line_len; + while(fgets(line, sizeof(line), stdin) != NULL) { + line_len = strlen(line) - 1; + while(line_len > 0) { // cut tailing CR/LF + if(line[line_len] >= ' ') { + break; + } + line[line_len] = '\0'; + line_len--; + } + updateStat(pool, cstr, line); + } +} + +/* + * reads from stdin and calls updateStat() + * and printAndResetStat() + * processes the time information from the + * access log lines + * => used for offline analysis + */ +static void readStdinOffline(apr_pool_t *pool, const char *cstr) { + char line[MAX_LINE]; + char buf[32]; + time_t unitTime = 0; + int line_len; + FILE *outdev = stdout; + if(m_offline_count || m_offline_url) { + outdev = stderr; + } + while(fgets(line, sizeof(line), stdin) != NULL) { + time_t l_time; + line_len = strlen(line) - 1; + while(line_len > 0) { // cut tailing CR/LF + if(line[line_len] >= ' ') { + break; + } + line[line_len] = '\0'; + line_len--; + } + l_time = getMinutes(line); + m_offline_data = 1; + if(unitTime == 0) { + unitTime = l_time; + qs_setTime(unitTime * 60); + } + if(unitTime == l_time) { + updateStat(pool, cstr, line); + } if(l_time < unitTime) { + /* leap in time... */ + updateStat(pool, cstr, line); + fprintf(outdev, "X"); + fflush(outdev); + unitTime = 0; + } else { + if(l_time > unitTime) { + if(!m_verbose) { + if(m_f != stdout) { + fprintf(outdev, "."); + fflush(outdev); + } + } + } + while(l_time > unitTime) { + unitTime++; + snprintf(buf, sizeof(buf), "%s %.2ld:%.2ld:00", m_date_str, unitTime/60, unitTime%60); + if(m_offline) { + printAndResetStat(buf); + } + qs_setTime(unitTime * 60);; + } + updateStat(pool, cstr, line); + } + } + if(m_offline_data) { + snprintf(buf, sizeof(buf), "%s %.2ld:%.2ld:00", m_date_str, unitTime/60, unitTime%60); + if(m_offline) { + printAndResetStat(buf); + } + } +} + +/* + * calls printAndResetStat() every minute + * => used for real time analysis + */ +static void *loggerThread(void *argv) { + char buf[1024]; + while(1) { + struct tm *ptr; + time_t tm = time(NULL); + time_t w = tm / LOG_INTERVAL * LOG_INTERVAL + LOG_INTERVAL; + sleep(w - tm); + + tm = time(NULL); + ptr = localtime(&tm); + strftime(buf, sizeof(buf), "%d.%m.%Y %H:%M:%S", ptr); + + printAndResetStat(buf); + if(m_rotate && m_file_name[0]) { + strftime(buf, sizeof(buf), "%H:%M", ptr); + if(strcmp(buf, "23:59") == 0) { + char arch[MAX_LINE]; + char arch2[MAX_LINE]; + strftime(buf, sizeof(buf), "%Y%m%d%H%M%S", ptr); + snprintf(arch, sizeof(arch), "%s.%s", m_file_name, buf); + snprintf(arch2, sizeof(arch), "%s.%s", m_file_name2, buf); + if(fclose(m_f) != 0) { + qerror("failed to close file '%s': %s", m_file_name, strerror(errno)); + } + if(rename(m_file_name, arch) != 0) { + qerror("failed to move file '%s': %s", arch, strerror(errno)); + } + qs_deleteOldFiles(m_file_name, m_generations); + m_f = fopen(m_file_name, "a+"); + if(m_f2) { + fclose(m_f2); + rename(m_file_name2, arch2); + qs_deleteOldFiles(m_file_name2, m_generations); + m_f2 = fopen(m_file_name2, "a+"); + } + } + } + } + return NULL; +} + +/** + * usage text + */ +static void usage(const char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - collects request statistics from access log data.\n", cmd); + printf("\n"); + + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -f <format_string> -o <out_file> [-p[c|u[c]] [-v]] [-x [<num>]] [-u <name>] [-m] [-c <path>]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s is a real time access log analyzer. It collects the data from stdin.\n", cmd); + qs_man_print(man, "The output is written to the specified file every minute and includes the\n"); + qs_man_println(man, "following entries:\n"); + qs_man_println(man, " - requests per second ("NRS")\n"); + qs_man_println(man, " - number of requests within measured time (req)\n"); + qs_man_println(man, " - bytes sent to the client per second ("NBS")\n"); + qs_man_println(man, " - bytes received from the client per second ("NBIS")\n"); + qs_man_println(man, " - response status codes within the last minute (1xx,2xx,3xx,4xx,5xx)\n"); + qs_man_println(man, " - average response duration ("NAV")\n"); + qs_man_println(man, " - average response duration in milliseconds ("NAVMS")\n"); + qs_man_println(man, " - distribution of response durations in seconds within the last minute\n"); + qs_man_print(man, " (<1s,1s,2s,3s,4s,5s,>5s)\n"); + if(man) printf("\n"); + qs_man_println(man, " - distribution of response durations faster than a second within the last minute\n"); + qs_man_print(man, " (0-49ms,50-99ms,100-499ms,500-999ms)\n"); + if(man) printf("\n"); + qs_man_println(man, " - number of established (new) connections within the measured time (esco)\n"); + qs_man_println(man, " - average system load (sl)\n"); + qs_man_println(man, " - free memory (m) (not available for all platforms)\n"); + qs_man_println(man, " - number of client ip addresses seen withn the last %d seconds (ip)\n", ACTIVE_TIME); + qs_man_println(man, " - number of different users seen withn the last %d seconds (usr)\n", ACTIVE_TIME); + qs_man_println(man, " - number of events identified by the 'E' format character\n"); + qs_man_println(man, " - number of mod_qos events within the last minute (qV=create session,\n"); + qs_man_print(man, " qv=VIP IP,qS=session pass, qD=access denied, qK=connection closed, qT=dynamic\n"); + qs_man_print(man, " keep-alive, qL=request/response slow down, qs=serialized request, \n"); + qs_man_print(man, " qA=connection abort, qU=new user tracking cookie)\n"); + printf("\n"); + + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -f <format_string>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the log data format and the positions of data\n"); + qs_man_print(man, " elements processed by this utility.\n"); + qs_man_print(man, " See to the 'LogFormat' directive of the httpd.conf file\n"); + qs_man_print(man, " to see the format definitions of the servers access log data.\n"); + if(man) printf("\n"); + qs_man_println(man, " %s knows the following elements:\n", cmd); + qs_man_println(man, " I defines the client ip address (%%h)\n"); + qs_man_println(man, " R defines the request line (%%r)\n"); + qs_man_println(man, " S defines HTTP response status code (%%s)\n"); + qs_man_println(man, " B defines the transferred bytes (%%b or %%O)\n"); + qs_man_println(man, " i defines the received bytes (%%I)\n"); + qs_man_println(man, " D defines the request duration in microseconds (%%D)\n"); + qs_man_println(man, " t defines the request duration in milliseconds (may be used instead of D)\n"); + qs_man_println(man, " T defines the request duration in seconds (may be used instead of D or t) (%%T)\n"); + qs_man_println(man, " k defines the number of keepalive requests on the connection (%%k)\n"); + qs_man_println(man, " U defines the user tracking id (%%{mod_qos_user_id}e)\n"); + qs_man_println(man, " Q defines the mod_qos_ev event message (%%{mod_qos_ev}e)\n"); + qs_man_println(man, " C defines the element for the detailed log (-c option), e.g. \"%%U\"\n"); + qs_man_println(man, " s arbitrary counter to add up (sum within a minute)\n"); + qs_man_println(man, " a arbitrary counter to build an average from (average per request)\n"); + qs_man_println(man, " A arbitrary counter to build an average from (average per request)\n"); + qs_man_println(man, " M arbitrary counter to measure the maximum value reached (peak)\n"); + qs_man_println(man, " E comma separated list of event strings\n"); + qs_man_println(man, " c content type (%%{content-type}o), available in -pc mode only\n"); + qs_man_println(man, " m request method (GET/POST) (%%m), available in -pc mode only\n"); + qs_man_println(man, " . defines an element to ignore (unknown string)\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -o <out_file>\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies the file to store the output to. stdout is used if this option\n"); + qs_man_print(man, " is not defined.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p\n"); + if(man) printf("\n"); + qs_man_print(man, " Used for post processing when reading the log data from a file (cat/pipe).\n"); + qs_man_print(man, " %s is started using it's offline mode (extracting the time stamps from\n", cmd); + qs_man_print(man, " the log lines) in order to process existing log files.\n"); + qs_man_print(man, " The option \"-pc\" may be used alternatively if you want to gather request\n"); + qs_man_print(man, " information per client (identified by IP address (I) or user tracking id (U)\n"); + qs_man_print(man, " showing how many request each client has performed within the captured period\n"); + qs_man_print(man, " of time). \"-pc\" supports the format characters IURSBTtDkMEcm.\n"); + qs_man_print(man, " The option \"-pu\" collects statistics on a per URL level (supports format\n"); + qs_man_print(man, " characters RSTtD).\n"); + qs_man_print(man, " \"-puc\" is very similar to \"-pu\" but cuts the end (handler) of each URL.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -v\n"); + if(man) printf("\n"); + qs_man_print(man, " Verbose mode.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -x [<num>]\n"); + if(man) printf("\n"); + qs_man_print(man, " Rotates the output file once a day (move). You may specify the number of\n"); + qs_man_print(man, " rotated files to keep. Default are %d.\n", QS_GENERATIONS); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -u <name>\n"); + if(man) printf("\n"); + qs_man_print(man, " Becomes another user, e.g. www-data.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -m\n"); + if(man) printf("\n"); + qs_man_print(man, " Calculates free system memory every minute.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -c <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Enables the collection of log statistics for different request types.\n"); + qs_man_print(man, " 'path' specifies the necessary rule file. Each rule consists of a rule\n"); + qs_man_print(man, " identifier and a regular expression to identify a request seprarated\n"); + qs_man_print(man, " by a colon, e.g., 01:^(/a)|(/c). The regular expressions are matched against\n"); + qs_man_print(man, " the log data element which has been identified by the 'C' format character.\n"); + + printf("\n"); + if(man) { + printf(".SH VARIABLES\n"); + } else { + printf("Variables\n"); + } + qs_man_print(man, "The following environment variables are known to %s:\n", cmd); + if(man) printf("\n"); + if(man) printf(".TP\n"); + qs_man_print(man, " "QSEVENTPATH"=<path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines a file containing a comma or new line separated list\n"); + qs_man_print(man, " of known event strings expected within the log filed identified\n"); + qs_man_print(man, " by the 'E' format character.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " "QSCOUNTERPATH"=<path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines a file containing a by new line separated list of rules which\n"); + qs_man_print(man, " reflect possible QS_ClientEventLimitCount directive settings (for\n"); + qs_man_print(man, " simulation purpose / -pc option). The 'E' format character defines the event\n"); + qs_man_print(man, " string in the log to match (literal string) the 'event1' and 'event2' event\n"); + qs_man_print(man, " names against.\n"); + printf("\n"); + if(man) printf("\n"); + qs_man_print(man, " Rule syntax: <name>:<event1>-<n>*<event2>/<duration>=<limit>\n"); + printf("\n"); + qs_man_println(man, " 'name' defines the name you have given to the rule entry and is logged along with\n"); + qs_man_print(man, " with the number of times the 'limit' has been reached within the 'duration'.\n"); + if(man) printf("\n"); + qs_man_println(man, " 'event1' defines the variable name (if found in 'E') to increment the counter.\n"); + qs_man_println(man, " 'event2' defines the variable name (if found in 'E') to decrement the counter (and\n"); + qs_man_print(man, " the parameter 'n' defines by how much).\n"); + if(man) printf("\n"); + qs_man_println(man, " 'duration' defines the measure interval (in seconds) used for the\n"); + qs_man_print(man, " QS_ClientEventLimitCount directive.\n"); + if(man) printf("\n"); + qs_man_println(man, " 'limit' defines the threshold (number) defined for the QS_ClientEventLimitCount\n"); + qs_man_print(man, " directive.\n"); + if(man) printf("\n"); + printf("\n"); + qs_man_print(man, " Note: If the 'name' parameter is prefixed by 'STATUS', the rule is applied against\n"); + qs_man_print(man, " the HTTP status code 'S' and the 'event1' string shall contain a list of relevant\n"); + qs_man_print(man, " status codes separated by an underscore (while 'event2' is ignored).\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + printf("Configuration using pipped logging:\n"); + printf("\n"); + } else { + printf("Example configuration using pipped logging:\n"); + } + qs_man_println(man, " CustomLog \"|/usr/bin/%s -f ISBDQ -x -o /var/log/apache/stat.csv\" \"%%h %%>s %%b %%D %%{mod_qos_ev}e\"\n", cmd); + printf("\n"); + if(man) { + printf("Post processing:\n"); + printf("\n"); + } else { + printf("Example for post processing:\n"); + } + qs_man_println(man, " LogFormat \"%%t %%h \\\"%%r\\\" %%>s %%b \\\"%%{User-Agent}i\\\" %%T\"\n"); + qs_man_println(man, " cat access.log | %s -f ..IRSB.T -o stat.csv -p\n", cmd); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +/** + * Loads the rule files. Each rule (pattern) is prefixed by an id. + * + * @param confFile Path to the rule file to load + * @return + */ +static stat_rec_t *loadRule(apr_pool_t *pool, const char *confFile) { + char line[MAX_LINE]; + FILE *file = fopen(confFile, "r"); + stat_rec_t *rec = NULL; + stat_rec_t *prev = NULL; + stat_rec_t *next = NULL; + if(file == NULL) { + qerror("could not read file '%s': ", confFile, strerror(errno)); + exit(1); + } + while(!qs_getLinef(line, sizeof(line), file)) { + char *id = line; + char *p = strchr(line, RULE_DELIM); + if(p) { + p[0] = '\0'; + p++; + if(m_verbose) { + printf("load rule %s: %s\n", id, p); + } + next = createRec(pool, id, p); + if(rec == NULL) { + // first record + rec = next; + } + if(prev) { + // has previous, append it to the list + prev->next = next; + } else { + // sole record, no next + rec->next = NULL; + } + // prev points now to the new record + prev = next; + } + } + fclose(file); + return rec; +} + +int main(int argc, const char *const argv[]) { + const char *config = NULL; + const char *file = NULL; + const char *confFile = NULL; + const char *cmd = strrchr(argv[0], '/'); + const char *username = NULL; + pthread_attr_t *tha = NULL; + pthread_t tid; + pthread_attr_t *thagc = NULL; + pthread_t tidgc; + apr_pool_t *pool; + int t; + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + m_stat_rec = createRec(pool, "", ""); + + for(t = 0; t < NUM_EVENT_TABLES; t++) { + m_ip_list[t] = apr_table_make(pool, 15000); + m_user_list[t] = apr_table_make(pool, 15000); + } + m_gc_event_list = calloc(MAX_EVENT_ENTRIES, sizeof(qs_event_t *)); + + qs_csInitLock(); + qs_setExpiration(ACTIVE_TIME); + if(cmd == NULL) { + cmd = argv[0]; + } else { + cmd++; + } + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-f") == 0) { /* this is the format string */ + if (--argc >= 1) { + config = *(++argv); + if(strchr(config, 'i')) { + // enable ib/s + m_stat_rec->i_byte_count = 0; + } + if(strchr(config, 'k')) { + // enable esco + m_stat_rec->connections = 0; + } + if(strchr(config, 'c')) { + // enable content type + m_ct = 1; + } + if(strchr(config, 'D') || strchr(config, 't')) { + // enable average duration in ms + m_avms = 1; + } + if(strchr(config, 'm')) { + m_methods = 1; + } + if(strchr(config, 's') || strchr(config, 'a') || strchr(config, 'A') || strchr(config, 'M')) { + // enable custom counter + m_customcounter = 1; + } + if(strchr(config, 'Q')) { + m_hasEV = 1; + } + } + } else if(strcmp(*argv,"-o") == 0) { /* this is the out file */ + if (--argc >= 1) { + file = *(++argv); + } + } else if(strcmp(*argv,"-u") == 0) { /* switch user id */ + if (--argc >= 1) { + username = *(++argv); + } + } else if(strcmp(*argv,"-c") == 0) { /* custom patterns (e.g. url pattern list, format: <id>':'<pattern>) */ + if (--argc >= 1) { + confFile = *(++argv); + } + } else if(strcmp(*argv,"-p") == 0) { /* activate offline analysis */ + m_offline = 1; + qs_set2OfflineMode(); + } else if(strcmp(*argv,"-ps") == 0) { /* activate offline analysis (inckl. summary) */ + m_offline = 1; + m_offline_s = 1; + qs_set2OfflineMode(); + } else if(strcmp(*argv,"-pc") == 0) { /* activate offline counting analysis */ + m_offline_count = 1; + qs_set2OfflineMode(); + } else if(strcmp(*argv,"-pu") == 0) { /* activate offline url analysis */ + m_offline_url = 1; + qs_set2OfflineMode(); + } else if(strcmp(*argv,"-puc") == 0) { /* activate offline url analysis */ + m_offline_url = 1; + m_offline_url_cropped = 1; + qs_set2OfflineMode(); + } else if(strcmp(*argv,"-m") == 0) { /* activate memory usage */ + m_mem = 1; + } else if(strcmp(*argv,"-v") == 0) { + m_verbose = 1; + } else if(strcmp(*argv,"-x") == 0) { /* activate log rotation */ + m_rotate = 1; + if(argc > 1) { + if(*argv[1] >= '0' && *argv[1] <= '9') { + argc--; + argv++; + m_generations = atoi(*argv); + } + } + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + qerror("unknown option '%s'", *argv); + exit(1); + } + argc--; + argv++; + } + m_off = m_offline || m_offline_count || m_offline_url; + if(m_off) { + if(nice(10) == -1) { + fprintf(stderr, "ERROR, failed to change nice value: %s\n", strerror(errno)); + } + /* init time pattern regex, std apache access log "dd/MMM/yyyy:hh:mm:ss" */ + regcomp(&m_trx_access, + "[0-9]{2}/[a-zA-Z]{3}/[0-9]{4}:[0-9]{2}:[0-9]{2}:[0-9]{2}", + REG_EXTENDED); + /* other time patterns: "yyyy mm dd hh:mm:ss,mmm" or "yyyy mm dd hh:mm:ss.mmm" + resp "yyyy-mm-dd hh:mm:ss,mmm" or "yyyy-mm-dd hh:mm:ss.mmm" */ + regcomp(&m_trx_j, + "[0-9]{4}[ -]{1}[0-9]{2}[ -]{1}[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}[,.]{1}[0-9]{3}", + REG_EXTENDED); + /* fallback to generic " hh:mm:ss " pattern */ + regcomp(&m_trx_g, + " ([0-9]{2}:[0-9]{2}):[0-9]{2} ", + REG_EXTENDED); + } + + /* + * offline url mod + */ + if(m_offline_url) { + int i; + apr_table_entry_t *entry; + m_url_entries = apr_table_make(pool, MAX_CLIENT_ENTRIES + 1); + if(config == NULL) usage(cmd, 0); + readStdinOffline(pool, config); + fprintf(stderr, ".\n"); + + m_f = stdout; + if(file) { + m_f = fopen(file, "a+"); + if(!m_f) { + m_f = stdout; + } + } + entry = (apr_table_entry_t *) apr_table_elts(m_url_entries)->elts; + for(i = 0; i < apr_table_elts(m_url_entries)->nelts; i++) { + url_rec_t *url_rec = (url_rec_t *)entry[i].val; + fprintf(m_f, "req;%ld;" + "1xx;%ld;2xx;%ld;3xx;%ld;4xx;%ld;5xx;%ld;" + NAVMS";%lld;%s\n", + url_rec->request_count, + url_rec->status_1, + url_rec->status_2, + url_rec->status_3, + url_rec->status_4, + url_rec->status_5, + url_rec->request_count ? (url_rec->duration_count_ms / url_rec->request_count) : 0, + entry[i].key); + + } + if(file && m_f != stdout) { + fclose(m_f); + } + return 0; + } + + /* + * offline count mode creates statistics + * on a per client basis (e.g. per source + * ip or user id using the user tracking + * feature of mod_qos) + */ + if(m_offline_count) { + int i; + apr_table_entry_t *entry; + if(config == NULL) usage(cmd, 0); + m_client_entries = apr_table_make(pool, MAX_CLIENT_ENTRIES + 1); + readStdinOffline(pool, config); + fprintf(stderr, ".\n"); + entry = (apr_table_entry_t *) apr_table_elts(m_client_entries)->elts; + m_f = stdout; + if(file) { + m_f = fopen(file, "a+"); + if(!m_f) { + m_f = stdout; + } + } + for(i = 0; i < apr_table_elts(m_client_entries)->nelts; i++) { + client_rec_t *client_rec = (client_rec_t *)entry[i].val; + char esco[256]; + char m[256]; + /* ci (coverage index): low value indicates that we have seen the client + at the end or beginning of the file (maybe not all + requests due to log rotation) */ + long coverage = m_lines ? (client_rec->firstLine * 100 / m_lines) : 0; + long coverageend = m_lines ? (100 - ((client_rec->lastLine * 100) / m_lines)) : 0; + if(coverageend < coverage) { + coverage = coverageend; + } + esco[0] = '\0'; + if(m_stat_rec->connections != -1) { + sprintf(esco, "esco;%ld;", client_rec->connections); + } + m[0] = '\0'; + if(m_methods) { + sprintf(m, "GET;%ld;POST;%ld;", + client_rec->get, + client_rec->post); + } + if(m_avms == 0) { + // no ms available + client_rec->duration_count_ms = 1000 * client_rec->duration; + } else { + // improve accuracy (rounding errors): + client_rec->duration = client_rec->duration_count_ms / 1000; + } + fprintf(m_f, "%s;req;%ld;errors;%ld;duration;%ld;bytes;%lld;" + "1xx;%ld;2xx;%ld;3xx;%ld;4xx;%ld;5xx;%ld;304;%ld;" + "av;%lld;"NAVMS";%lld;<1s;%ld;1s;%ld;2s;%ld;3s;%ld;4s;%ld;5s;%ld;>5s;%ld;" + "%s" + "%s" + "ci;%ld;", + entry[i].key, + client_rec->request_count, + client_rec->error_count, + client_rec->end_s - client_rec->start_s, + client_rec->byte_count, + client_rec->status_1, + client_rec->status_2, + client_rec->status_3, + client_rec->status_4, + client_rec->status_5, + client_rec->status_304, + client_rec->request_count ? (client_rec->duration / client_rec->request_count) : 0, + client_rec->request_count ? (client_rec->duration_count_ms / client_rec->request_count) : 0, + client_rec->duration_0, + client_rec->duration_1, + client_rec->duration_2, + client_rec->duration_3, + client_rec->duration_4, + client_rec->duration_5, + client_rec->duration_6, + esco, + m, + coverage); + if(m_customcounter) { + fprintf(m_f, "M;%ld;", + client_rec->max); + } + if(client_rec->counters) { + int c; + apr_table_entry_t *centry = (apr_table_entry_t *) apr_table_elts(client_rec->counters)->elts; + for(c = 0; c < apr_table_elts(client_rec->counters)->nelts; c++) { + counter_rec_t *cr = (counter_rec_t *)centry[c].val; + fprintf(m_f, "%s;%d;", cr->name, cr->total); + } + } + if(m_ct) { + fprintf(m_f, "html;%ld;css/js;%ld;img;%ld;other;%ld;", + client_rec->html, + client_rec->cssjs, + client_rec->img, + client_rec->other); + } + if(apr_table_elts(client_rec->events)->nelts > 0) { + int k; + apr_table_entry_t *client_entry = (apr_table_entry_t *) apr_table_elts(client_rec->events)->elts; + for(k = 0; k < apr_table_elts(client_rec->events)->nelts; k++) { + const char *eventName = client_entry[k].key; + int *eventVal = (int *)client_entry[k].val; + fprintf(m_f, "%s;%d;", eventName, *eventVal); + (*eventVal) = 0; + } + } + fprintf(m_f, "\n"); + } + if(file && (m_f != stdout)) { + fclose(m_f); + } + return 0; + } + + /* requires at least a format string */ + if(config == NULL) usage(cmd, 0); + + qs_setuid(username, cmd); + + if(file) { + m_f = fopen(file, "a+"); + if(m_f == NULL) { + qerror("could not open file for writing '%s': %s", file, strerror(errno)); + exit(1); + } + if(strlen(file) > (sizeof(m_file_name) - strlen(".yyyymmddHHMMSS ") - strlen(LOG_DET))) { + qerror("file name too long '%s'", file); + exit(1); + } + strcpy(m_file_name, file); + } else { + m_file_name[0] = '\0'; + m_f = stdout; + } + + if(confFile) { + if(file == NULL) { + qerror("option '-c' can only be used in conjunction with option '-o'"); + exit(1); + } + snprintf(m_file_name2, sizeof(m_file_name2), "%s"LOG_DET, m_file_name); + if(strchr(config, 'C') == NULL) { + qerror("you need to add 'C' to the format string when enabling the pattern list (-c)"); + exit(1); + } + m_stat_sub = loadRule(pool, confFile); + m_f2 = fopen(m_file_name2, "a+"); + if(m_f == NULL) { + qerror("could not open file for writing '%s': %s", m_file_name2, strerror(errno)); + exit(1); + } + } + + /* + * Offline mode reads an existing log file + * adjusting a virtual clock based on + * the date string match of the log + * enties. */ + if(m_offline) { + fprintf(stderr, "[%s]: offline mode\n", cmd); + m_date_str[0] = '\0'; + readStdinOffline(pool, config); + if(!m_verbose) { + fprintf(stdout, "\n"); + } + if(m_offline_s) { + int p; + int min = 0; + int max = 50; + printf("\n"); + printf(" requests: %llu\n", m_stat_rec->total.lines); + printf(" average: %llums\n", m_stat_rec->total.ms/m_stat_rec->total.lines); + for(p = 0; p <20; p++) { + printf("%3dms - %4dms: %lld\n", min, max, m_stat_rec->total.pivot[p]); + min = max; + max += 50; + } + printf("1000ms+ : %lld\n", m_stat_rec->total.pivot[20]); + } + } else { + /* standard mode reads data from + * stdin and uses a separate thread + * to write the data every minute. + */ + pthread_create(&tid, tha, loggerThread, NULL); + pthread_create(&tidgc, thagc, gcThread, NULL); + readStdin(pool, config); + } + if(file && (m_f != stdout)) { + fclose(m_f); + } + return 0; +} diff --git a/tools/src/qslogger.c b/tools/src/qslogger.c new file mode 100644 index 0000000..3a8a0d8 --- /dev/null +++ b/tools/src/qslogger.c @@ -0,0 +1,423 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Utilities for the quality of service module mod_qos. + * + * qslogger.c: Piped logging forwarding log data to syslog + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qslogger.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <time.h> +#include <sys/time.h> +#include <errno.h> +#include <regex.h> +#include <syslog.h> + +#include <apr.h> +#include <apr_lib.h> + +#include "qs_util.h" + +// [Wed Mar 28 22:40:41 2012] [warn] +#define QS_DEFAULTPATTERN "^\\[[0-9a-zA-Z :]+\\] \\[([a-z]+)\\] " + +#define QS_MAX_PATTERN_MA 2 + +static int m_default_severity = LOG_NOTICE; + +/** + * Similar to standard strstr() but case insensitive and length limitation + * (string which is not 0 terminated). + * + * @param s1 String to search in + * @param s2 Pattern to ind + * @param len Length of s1 + * @return pointer to the beginning of the substring s2 within s1, or NULL + * if the substring is not found + */ +static const char *qs_strncasestr(const char *s1, const char *s2, int len) { + const char *e1 = &s1[len-1]; + char *p1, *p2; + if (*s2 == '\0') { + /* an empty s2 */ + return((char *)s1); + } + while(1) { + for ( ; (*s1 != '\0') && (s1 <= e1) && (apr_tolower(*s1) != apr_tolower(*s2)); s1++); + if (*s1 == '\0' || s1 > e1) { + return(NULL); + } + /* found first character of s2, see if the rest matches */ + p1 = (char *)s1; + p2 = (char *)s2; + for (++p1, ++p2; (apr_tolower(*p1) == apr_tolower(*p2)) && (p1 <= e1); ++p1, ++p2) { + if((p1 > e1) && (*p2 != '\0')) { + // reached the end without match + return NULL; + } + if (*p2 == '\0') { + /* both strings ended together */ + return((char *)s1); + } + } + if (*p2 == '\0') { + /* second string ended, a match */ + break; + } + /* didn't find a match here, try starting at next character in s1 */ + s1++; + } + return((char *)s1); +} + +/** + * Rerurns the priority value + * + * @param priorityname Part of the log message to search the priority in + * @param len Length of the priority string + * @return Priority, LOG_NOTICE (see m_default_severity) if provided name is not recognized. + */ +static int qsgetprio(const char *priorityname, int len) { + int p = m_default_severity; + if(!priorityname) { + return p; + } + if(qs_strncasestr(priorityname, "alert", len)) { + p = LOG_ALERT; + } else if(qs_strncasestr(priorityname, "crit", len)) { + p = LOG_CRIT; + } else if(qs_strncasestr(priorityname, "debug", len)) { + p = LOG_DEBUG; + } else if(qs_strncasestr(priorityname, "emerg", len)) { + p = LOG_EMERG; + } else if(qs_strncasestr(priorityname, "err", len)) { + p = LOG_ERR; + } else if(qs_strncasestr(priorityname, "info", len)) { + p = LOG_INFO; + } else if(qs_strncasestr(priorityname, "notice", len)) { + p = LOG_NOTICE; + } else if(qs_strncasestr(priorityname, "panic", len)) { + p = LOG_EMERG; + } else if(qs_strncasestr(priorityname, "warn", len)) { + p = LOG_WARNING; + } + return p; +} + +/** + * Extracts the severity of the message using the provided + * regular expression and determinest the priofity using + * qsgetprio(). + * + * @param preg Regular expression to extract the severity + * @param line Log fline to extract the severity from + * @return Level or LOG_NOTICE (see m_default_severity) if level could not be determined. + */ +static int qsgetlevel(regex_t preg, const char *line) { + int level = m_default_severity; + regmatch_t ma[QS_MAX_PATTERN_MA]; + if(regexec(&preg, line, QS_MAX_PATTERN_MA, ma, 0) == 0) { + int len = ma[1].rm_eo - ma[1].rm_so; + level = qsgetprio(&line[ma[1].rm_so], len); + } + return level; +} + +/* entry within the facility table */ +typedef struct { + const char* name; + int f; +} qs_f_t; + +/** + * Table of known facilities, see sys/syslog.h. + */ +static const qs_f_t qs_facilities[] = { +#ifdef LOG_AUTHPRIV + { "authpriv", LOG_AUTHPRIV }, +#endif + { "auth", LOG_AUTH }, + { "cron", LOG_CRON }, + { "daemon", LOG_DAEMON }, +#ifdef LOG_FTP + { "ftp", LOG_FTP }, +#endif + { "kern", LOG_KERN }, + { "lpr", LOG_LPR }, + { "mail", LOG_MAIL }, + { "news", LOG_NEWS }, + { "security", LOG_AUTH }, + { "syslog", LOG_SYSLOG }, + { "user", LOG_USER }, + { "uucp", LOG_UUCP }, + { "local0", LOG_LOCAL0 }, + { "local1", LOG_LOCAL1 }, + { "local2", LOG_LOCAL2 }, + { "local3", LOG_LOCAL3 }, + { "local4", LOG_LOCAL4 }, + { "local5", LOG_LOCAL5 }, + { "local6", LOG_LOCAL6 }, + { "local7", LOG_LOCAL7 }, + { NULL, -1 } +}; + +/** + * Determines the facility (user input). + * + * @param facilityname + * @return The facility id or LOG_DAEMON if the provided + * string is unknown. + */ +static int qsgetfacility(const char *facilityname) { + int f = LOG_DAEMON; + const qs_f_t *facilities = qs_facilities; + if(!facilityname) { + return f; + } + while(facilities->name) { + if(strcasecmp(facilityname, facilities->name) == 0) { + f = facilities->f; + break; + } + facilities++; + } + return f; +} + +/** + * Usage message (or man page) + * + * @param cmd + * @param man + */ +static void usage(const char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - another shell command interface to the system log module (syslog).\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s [-t <tag>] [-f <facility>] [-l <level>] [-x <prefix>] [-r <expression>] [-d <level>] [-u <name>] [-p]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "Use this utility to forward log messages to the systems syslog\n"); + qs_man_print(man, "facility, e.g., to forward the messages to a remote host.\n"); + qs_man_print(man, "It reads data from stdin.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf("\n.TP\n"); + qs_man_print(man, " -t <tag>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the tag name which shall be used to define the origin\n"); + qs_man_print(man, " of the messages, e.g. 'httpd'.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -f <facility>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the syslog facility. Default is 'daemon'.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -u <name>\n"); + if(man) printf("\n"); + qs_man_print(man, " Becomes another user, e.g. www-data.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -l <level>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the minimal severity a message must have in order to\n"); + qs_man_print(man, " be forwarded. Default is 'DEBUG' (forwarding everything).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -x <prefix>\n"); + if(man) printf("\n"); + qs_man_print(man, " Allows you to add a prefix (literal string) to every message.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -r <expression>\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies a regular expression which shall be used to\n"); + qs_man_print(man, " determine the severity (syslog level) for each log line.\n"); + qs_man_print(man, " The default pattern '"QS_DEFAULTPATTERN"' can\n"); + qs_man_print(man, " be used for Apache error log messages but you may configure\n"); + qs_man_print(man, " your own pattern matching other log formats. Use brackets\n"); + qs_man_print(man, " to define the pattern enclosing the severity string.\n"); + qs_man_print(man, " Default level (if severity can't be determined) is defined by the\n"); + qs_man_print(man, " option '-d' (see below).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -d <level>\n"); + if(man) printf("\n"); + qs_man_print(man, " The default severity if the specified pattern (-r) does not\n"); + qs_man_print(man, " match and the message's severity can't be determined. Default\n"); + qs_man_print(man, " is 'NOTICE'.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p\n"); + if(man) printf("\n"); + qs_man_print(man, " Writes data also to stdout (for piped logging).\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + } else { + printf("Example:\n"); + } + qs_man_println(man, " ErrorLog \"|/usr/bin/%s -t apache -f local7\"\n", cmd); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +int main(int argc, const char * const argv[]) { + int line_len; + char *line = calloc(1, MAX_LINE_BUFFER+1); + const char *cmd = strrchr(argv[0], '/'); + int pass = 0; + const char *tag = NULL; + int facility = LOG_DAEMON; + int severity = LOG_DEBUG; + int level = LOG_INFO; + const char *regexpattern = QS_DEFAULTPATTERN; + const char *username = NULL; + const char *prefix = NULL; + regex_t preg; + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv, "-p") == 0) { + pass = 1; + } else if(strcmp(*argv, "-f") == 0) { + if (--argc >= 1) { + const char *facilityname = *(++argv); + facility = qsgetfacility(facilityname); + } + } else if(strcmp(*argv, "-l") == 0) { + if (--argc >= 1) { + const char *severityname = *(++argv); + severity = qsgetprio(severityname, strlen(severityname)); + } + } else if(strcmp(*argv, "-x") == 0) { + if (--argc >= 1) { + prefix = *(++argv); + } + } else if(strcmp(*argv,"-u") == 0) { /* switch user id */ + if (--argc >= 1) { + username = *(++argv); + } + } else if(strcmp(*argv, "-d") == 0) { + if (--argc >= 1) { + const char *severityname = *(++argv); + m_default_severity = qsgetprio(severityname, strlen(severityname)); + } + } else if(strcmp(*argv, "-t") == 0) { + if (--argc >= 1) { + tag = *(++argv); + } + } else if(strcmp(*argv, "-r") == 0) { + if (--argc >= 1) { + regexpattern = *(++argv); + } + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + usage(cmd, 0); + } + argc--; + argv++; + } + + if(regcomp(&preg, regexpattern, REG_EXTENDED)) { + fprintf(stderr, "[%s] failed to compile pattern %s", cmd, regexpattern); + exit(1); + } + + qs_setuid(username, cmd); + + openlog(tag ? tag : getlogin(), 0, facility); + + // start reading from stdin + while(fgets(line, MAX_LINE_BUFFER, stdin) != NULL) { + line_len = strlen(line) - 1; + while(line_len > 0) { // cut tailing CR/LF + if(line[line_len] >= ' ') { + break; + } + line[line_len] = '\0'; + line_len--; + } + // severity is determined using the regular expression provided by the user + level = qsgetlevel(preg, line); + if(level <= severity) { + // send message + if(prefix) { + syslog(level, "%s%s", prefix, line); + } else { + syslog(level, "%s", line); + } + } + if(pass) { + printf("%s\n", line); + fflush(stdout); + } + } + free(line); + closelog(); + return 0; +} diff --git a/tools/src/qspng.c b/tools/src/qspng.c new file mode 100644 index 0000000..6d11f21 --- /dev/null +++ b/tools/src/qspng.c @@ -0,0 +1,784 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * qspng.c: Tool to draw graph from qslog output. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qspng.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <png.h> + +//#include <config.h> + +#include "qs_util.h" +#include "char.h" + +#define HUGE_STRING_LEN 1024 +#define X_SAMPLE_RATE 3 +/* width */ +#define X_COUNTS 60 * 24 / X_SAMPLE_RATE // 24 hours, every 3th sample +/* height */ +#define Y_COUNTS 100 +/* border */ +#define XY_BORDER 20 + +typedef struct { + const char* param; + const char* name; + int r; + int g; + int b; +} qs_png_elt_t; + +/* known graph types */ +static const qs_png_elt_t qs_png_elts[] = { + { "r/s", "requests per second", 20, 30, 130, }, + { "req", "requests per minute", 20, 30, 130, }, + { "b/s", "bytes per second (out)", 30, 45, 130 }, + { "ib/s", "bytes per second (in)", 30, 45, 125 }, + { "esco", "established connections per minute", 40, 95, 140 }, + { "av", "average response time", 40, 95, 140 }, + { "avms", "average response time in milliseconds", 45, 95, 135 }, + { "0-49ms", "requests duration 0-49ms", 45, 100, 180 }, + { "50-99ms", "requests duration 50-99ms", 45, 100, 180 }, + { "100-499ms", "requests duration 100-499ms", 45, 100, 180 }, + { "500-999ms", "requests duration 500-999ms", 45, 100, 180 }, + { "<1s", "requests faster than 1 second", 35, 95, 180 }, + { "1s", "requests faster or equal than 1 second", 35, 90, 180 }, + { "2s", "requests with 2 seconds response time", 30, 85, 180 }, + { "3s", "requests with 3 seconds response time", 25, 90, 180 }, + { "4s", "requests with 4 seconds response time", 25, 95, 180 }, + { "5s", "requests with 5 seconds response time", 15, 90, 180 }, + { ">5s","requests slower than 5 seconds", 35, 90, 185 }, + { "1xx","requests with HTTP status 1xx", 50, 70, 150 }, + { "2xx","requests with HTTP status 2xx", 50, 70, 150 }, + { "3xx","requests with HTTP status 3xx", 50, 70, 150 }, + { "4xx","requests with HTTP status 4xx", 50, 70, 150 }, + { "5xx","requests with HTTP status 5xx", 50, 70, 150 }, + { "ip", "IP addresses", 55, 60, 150 }, + { "usr","active users", 55, 66, 150 }, + { "qV", "created VIP sessions", 55, 50, 155 }, + { "qS", "session pass", 55, 75, 160 }, + { "qD", "access denied", 55, 70, 170 }, + { "qK", "connection closed", 55, 60, 145 }, + { "qT", "dynamic keep-alive", 55, 55, 153 }, + { "qL", "slow down", 55, 65, 140 }, + { "qA", "connection aborts", 55, 50, 175 }, + { "qs", "serialization", 55, 40, 175 }, + { "qu", "start user tracking", 55, 45, 175 }, + { "sl", "system load", 25, 60, 175 }, + { "m", "free memory", 35, 90, 185 }, + { NULL, NULL, 0, 0, 0 } +}; + +typedef struct qs_png_conf_st { + char *path; + char *param; +} qs_png_conf; + + +/************************************************************************ + * Functions + ***********************************************************************/ + +/** + * Read the stat_log data line by line + * + * @param s IN buffer to store line to + * @param n IN buffer size + * @param f IN file descriptor + * + * @return 1 on EOF, else 0 + */ +static int qs_png_getline(char *s, int n, FILE *f) { + register int i = 0; + while (1) { + s[i] = (char) fgetc(f); + if (s[i] == CR) { + s[i] = fgetc(f); + } + if ((s[i] == 0x4) || (s[i] == LF) || (i == (n - 1))) { + s[i] = '\0'; + return (feof(f) ? 1 : 0); + } + ++i; + } +} + +/* png io callback (should write to buff/bio/bucket when using in apache) */ +void lp_write_data(png_structp png_ptr, png_bytep data, png_size_t length) { + FILE *f = png_get_io_ptr(png_ptr); + fwrite(data, length, 1, f); +} + +/* png io callback (not used) */ +void lp_flush_data(png_structp png_ptr) { + png_get_io_ptr(png_ptr); + fprintf(stderr, "flush\n"); +} + +/** + * Writes a single char to the graph + * + * @param x IN x position + * @param y IN y position + * @param row_pointers IN start pointer (0/0) + * @param n IN char to write + */ +static void qs_png_write_char(int x, int y, png_bytep *row_pointers, char n) { + int ix, iy; + int *f = &s_X[0][0]; + switch(n) { + case 'a': f = &s_a[0][0]; break; + case 'b': f = &s_b[0][0]; break; + case 'c': f = &s_c[0][0]; break; + case 'd': f = &s_d[0][0]; break; + case 'e': f = &s_e[0][0]; break; + case 'f': f = &s_f[0][0]; break; + case 'g': f = &s_g[0][0]; break; + case 'h': f = &s_h[0][0]; break; + case 'i': f = &s_i[0][0]; break; + case 'j': f = &s_j[0][0]; break; + case 'k': f = &s_k[0][0]; break; + case 'l': f = &s_l[0][0]; break; + case 'm': f = &s_m[0][0]; break; + case 'n': f = &s_n[0][0]; break; + case 'o': f = &s_o[0][0]; break; + case 'p': f = &s_p[0][0]; break; + case 'q': f = &s_q[0][0]; break; + case 'r': f = &s_r[0][0]; break; + case 's': f = &s_s[0][0]; break; + case 't': f = &s_t[0][0]; break; + case 'u': f = &s_u[0][0]; break; + case 'v': f = &s_v[0][0]; break; + case 'w': f = &s_w[0][0]; break; + case 'x': f = &s_x[0][0]; break; + case 'y': f = &s_y[0][0]; break; + case 'z': f = &s_z[0][0]; break; + case ' ': f = &s_SP[0][0]; break; + case '_': f = &s_US[0][0]; break; + case '(': f = &s_BRO[0][0]; break; + case ')': f = &s_BRC[0][0]; break; + case '<': f = &s_LT[0][0]; break; + case '>': f = &s_GT[0][0]; break; + case '-': f = &s_MI[0][0]; break; + case '/': f = &s_SL[0][0]; break; + case ';': f = &s_SC[0][0]; break; + case ',': f = &s_CM[0][0]; break; + case ':': f = &s_CO[0][0]; break; + case '.': f = &s_DT[0][0]; break; + case '\'': f = &s_SQ[0][0]; break; + case 'A': f = &s_a[0][0]; break; + case 'B': f = &s_b[0][0]; break; + case 'C': f = &s_c[0][0]; break; + case 'D': f = &s_d[0][0]; break; + case 'E': f = &s_e[0][0]; break; + case 'F': f = &s_f[0][0]; break; + case 'G': f = &s_g[0][0]; break; + case 'H': f = &s_h[0][0]; break; + case 'I': f = &s_i[0][0]; break; + case 'J': f = &s_j[0][0]; break; + case 'K': f = &s_k[0][0]; break; + case 'L': f = &s_l[0][0]; break; + case 'M': f = &s_M[0][0]; break; + case 'N': f = &s_n[0][0]; break; + case 'O': f = &s_o[0][0]; break; + case 'P': f = &s_p[0][0]; break; + case 'Q': f = &s_q[0][0]; break; + case 'R': f = &s_r[0][0]; break; + case 'S': f = &s_s[0][0]; break; + case 'T': f = &s_t[0][0]; break; + case 'U': f = &s_u[0][0]; break; + case 'V': f = &s_v[0][0]; break; + case 'W': f = &s_w[0][0]; break; + case 'X': f = &s_x[0][0]; break; + case 'Y': f = &s_y[0][0]; break; + case 'Z': f = &s_z[0][0]; break; + case '0': f = &s_0[0][0]; break; + case '1': f = &s_1[0][0]; break; + case '2': f = &s_2[0][0]; break; + case '3': f = &s_3[0][0]; break; + case '4': f = &s_4[0][0]; break; + case '5': f = &s_5[0][0]; break; + case '6': f = &s_6[0][0]; break; + case '7': f = &s_7[0][0]; break; + case '8': f = &s_8[0][0]; break; + case '9': f = &s_9[0][0]; break; + } + /* print the char matrix */ + for(iy = 0; iy < S_H_MAX; iy++) { + png_byte* row = row_pointers[y+iy]; + for(ix = 0; ix < S_W_MAX; ix++) { + png_byte* ptr = &(row[(x+ix)*4]); + if(f[iy*S_W_MAX + ix] == 1) { + /* foreground */ + ptr[0] = 0; + ptr[1] = 0; + ptr[2] = 0; + } else { + /* background */ + ptr[0] = 250; + ptr[1] = 250; + ptr[2] = 255; + } + } + } +} + +/** + * Writes a single digit 0..9. + * You should normally use either qs_png_write_int() or qs_png_write_int(). + * + * @param x IN x position + * @param y IN y position + * @param row_pointers IN start pointer (0/0) + * @param n IN number to write + */ +static void qs_png_write_digit(int x, int y, png_bytep *row_pointers, int n) { + char f = 'X'; + if(n == 0) f = '0'; + if(n == 1) f = '1'; + if(n == 2) f = '2'; + if(n == 3) f = '3'; + if(n == 4) f = '4'; + if(n == 5) f = '5'; + if(n == 6) f = '6'; + if(n == 7) f = '7'; + if(n == 8) f = '8'; + if(n == 9) f = '9'; + qs_png_write_char(x, y, row_pointers, f); +} + +/** + * Writes a string to the graph. + * + * @param x IN x position + * @param y IN y position + * @param row_pointers IN start pointer (0/0) + * @param n IN string to write + */ +static void qs_png_write_string(int x, int y, png_bytep *row_pointers, const char *n) { + int i = 0; + int offset = 0; + while(n[i] != '\0') { + qs_png_write_char(x+offset, y, row_pointers, n[i]); + i++; + offset = offset + S_W_MAX; + } +} + +/** + * Writes a number (int) to the graph (1:1). + * + * @param x IN x position + * @param y IN y position + * @param row_pointers IN start pointer (0/0) + * @param n IN number to write + */ +static void qs_png_write_int(int x, int y, png_bytep *row_pointers, int n) { + char num_str[HUGE_STRING_LEN]; + snprintf(num_str, sizeof(num_str), "%d", n); + qs_png_write_string(x, y, row_pointers, num_str); +} + +/** + * Writes a number (long) to the graph using k,M for big numbers. + * + * @param x IN x position + * @param y IN y position + * @param row_pointers IN start pointer (0/0) + * @param n IN string to write + */ +static void qs_png_write_long(int x, int y, png_bytep *row_pointers, long n) { + char num_str[HUGE_STRING_LEN]; + snprintf(num_str, sizeof(num_str), "%ld", n); + if(n >= 1000) { + snprintf(num_str, sizeof(num_str), "%ldk", n/1000); + } + if(n >= 1000000) { + snprintf(num_str, sizeof(num_str), "%ldM", n/1000000); + } + qs_png_write_string(x, y, row_pointers, num_str); +} + +/** + * Labels the graph (min,max,title). + * + * @param width IN size (x axis) of the graph + * @param height IN size (y axis) of the graph + * @param border IN border size around the graph + * @param row_pointers IN start pointer (0/0) + * @param max IN max y value + * @param name IN title + */ +static void qs_png_label(int width, int height, int border, + png_bytep *row_pointers, long max, + const char *name) { + /* MAX */ + int i; + int step = height/5; + int c = 5; + for(i = 0; i < height; i = i + step) { + qs_png_write_long(1, border - (S_W_MAX/2) + i, row_pointers, max/5*c); + c--; + } + + /* MIN */ + qs_png_write_int(1, height + border - (S_W_MAX/2), row_pointers, 0); + + /* title */ + { + char buf[HUGE_STRING_LEN]; + snprintf(buf, sizeof(buf), "%s", name); + qs_png_write_string(XY_BORDER, XY_BORDER/2-S_H_MAX/2, row_pointers, buf); + } + +} + +static void lp_init(int width, int height, int border, png_bytep **start) { + png_bytep *row_pointers; + int b_width = width + (2 * border); + int b_height = height + (2 * border); + int x, y; + + /* alloc memory */ + row_pointers = (png_bytep*) malloc(sizeof(png_bytep) * b_height); + for(y=0; y<b_height; y++) { + row_pointers[y] = (png_byte*) malloc(b_width * 4); + } + + /* background */ + for(y=0; y<b_height; y++) { + png_byte* row = row_pointers[y]; + for(x=0; x<b_width; x++) { + png_byte* ptr = &(row[x*4]); + ptr[0] = 250; + ptr[1] = 250; + ptr[2] = 255; + ptr[3] = 250; + } + } + for(y=border; y<b_height-border; y++) { + png_byte* row = row_pointers[y]; + for(x=border; x<b_width-border; x++) { + png_byte* ptr = &(row[x*4]); + ptr[0] = 245; + ptr[1] = 245; + ptr[2] = 250; + } + } + *start = row_pointers; +} + +/** + * "Main" png function: + * - reads the data from the file + * - draws the curve + * - labels the x axis + * + * @param width IN size (x axis) of the graph + * @param height IN size (y axis) of the graph + * @param border IN border size around the graph + * @param row_pointers IN start pointer (0/0) + * @param stat_log IN file descriptor to the input file + * @param name IN title + * @param c_r IN color red (0..255) + * @param c_g IN color green (0..255) + * @param c_b IN color blue (0..255) + */ +static long qs_png_draw(int width, int height, int border, + png_bytep *row_pointers, FILE *stat_log, const char *name, + int c_r, int c_g, int c_b) { + int x, y; + long req[width]; // values + long max_req[width]; // values + int hours[width]; // time marks on x axis + long tmp[X_SAMPLE_RATE]; // used to build average over multiple samples + int sample = 1; // sample rate counter (1 to X_SAMPLE_RATE) + + int i = 0; + char line[HUGE_STRING_LEN]; + + long peak = 0; // max of all values + double scale = 1; // scaling factor (height x scale = unit) + + int hour = -1; // detect "new" hour + char date_str[32] = ""; // string storing the first day (if fist value is at 00h) + + long ret; + for(x=0; x<width; x++) hours[x] = 0; + /* reads the file and resample measure points to width of the graph */ + while(!qs_png_getline(line, sizeof(line), stat_log) && i < width) { + char *p = strstr(line, name); + req[i] = 0; + max_req[i] = 0; + if(p && ((p - line) > 8)) { + char *e; + p=p+strlen(name); + e = strchr(p,';'); + if(e) e[0] = '\0'; + e = strchr(p, '.'); /** sl uses fp value */ + if(e) e[0] = '\0'; + tmp[sample-1] = atol(p); + } else { + tmp[sample-1] = 0; + } + /* hour (stat_log time format: %d.%m.%Y %H:%M:%S (19 char)) */ + p = strchr(line, ';'); + if(p && (p-line == 19 )) { + p = p - 6; + p[0] = '\0'; + p = p - 2; + hours[i] = atoi(p); + } + /* use the defined sample rate */ + if(sample == X_SAMPLE_RATE) { + int j; + int max_value = 0; + for(j = 0; j < X_SAMPLE_RATE; j++) { + req[i] = req[i] + tmp[j]; + if(max_value < tmp[j]) { + max_value = tmp[j]; + } + } + max_req[i] = max_value; + if(max_req[i] > peak) peak = max_req[i]; + /* build average */ + req[i] = req[i] / X_SAMPLE_RATE; + sample = 1; + i++; + /* and store the current date (%d.%m.%Y (10 char)) if the + first value is at 00h */ + if(hours[i] == 0 && i == 1) { + p = strchr(line, ' '); + if(p && (p-line == 10)) { + p[0] = '\0'; + strcpy(date_str, line); + } + } + } else { + sample++; + } + } + /* calculate y axis scaling (1:1 are height pixels) */ + if(peak < 10) { + scale = 0.1; + } else { + while((peak / scale) > height) { + if(scale < 8) { + scale = scale * 2; + } else { + if(scale == 8) { + scale = 10; + } else { + scale = scale * 10; + } + } + } + } + + /* draw the curve */ + for(x=0; x<i; x++) { + /* max */ + for(y=0; y<(max_req[x]/scale); y++) { + png_byte* row = row_pointers[height-y-1+border]; + png_byte* ptr = &(row[x*4+(4*border)]); + ptr[0] = c_r + 75; + ptr[1] = c_g + 75; + ptr[2] = c_b + 75; + } + /* average */ + for(y=0; y<(req[x]/scale); y++) { + png_byte* row = row_pointers[height-y-1+border]; + png_byte* ptr = &(row[x*4+(4*border)]); + ptr[0] = c_r; + ptr[1] = c_g; + ptr[2] = c_b; + } + /* label the x axis */ + if(hour != hours[x]) { + hour = hours[x]; + for(y=0; y<(height); y=y+3) { + png_byte* row = row_pointers[y+border]; + png_byte* ptr = &(row[x*4+(4*border)]); + ptr[0] = 50; + ptr[1] = 50; + ptr[2] = 50; + } + if(hour%2 == 0) { + qs_png_write_digit(x-S_W_MAX+border, height + border + 1, row_pointers, hour/10); + qs_png_write_digit(x-S_W_MAX+border+S_W_MAX, height + border + 1, row_pointers, hour%10); + qs_png_write_char(x-S_W_MAX+border+2*S_W_MAX, height + border + 1, row_pointers, 'h'); + } + } + } + + /* print date */ + qs_png_write_string(border, height+border+2+S_H_MAX, row_pointers, date_str); + + /* horizontal lines every 1/4 height */ + for(y=(height/5); y<height; y=y+height/5) { + png_byte* row = row_pointers[y+border]; + for(x=0; x<i; x=x+3) { + png_byte* ptr = &(row[x*4+(4*border)]); + ptr[0] = 50; + ptr[1] = 50; + ptr[2] = 50; + } + } + + ret = scale * height; + return ret; +} + + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + qs_man_print(man, "%s - an utility to draw a png graph from qslog(1) output data.\n", cmd); + } else { + qs_man_print(man, "Utility to draw a png graph from qslog output data.\n"); + } + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -i <stat_log_file> -p <parameter> -o <out_file> [-10]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s is a tool to generate png (portable network graphics)\n", cmd); + qs_man_print(man, "raster images files from semicolon separated data generated by the\n"); + qs_man_print(man, "qslog utility. It reads up to the first 1440 entries (24 hours)\n"); + qs_man_print(man, "and prints a graph using the values defined by the 'parameter' \n"); + qs_man_print(man, "name.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -i <stats_log_file>\n"); + if(man) printf("\n"); + qs_man_print(man, " Input file to read data from.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p <parameter>\n"); + if(man) printf("\n"); + qs_man_print(man, " Parameter name, e.g. r/s or usr.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -o <out_file>\n"); + if(man) printf("\n"); + qs_man_print(man, " Output file name, e.g. stat.png.\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslogger(1), qslog(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("\n"); + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +int main(int argc, char **argv) { + int y; + int width, height, b_width, b_height; + png_byte color_type; + png_byte bit_depth; + + int scale; + + png_structp png_ptr; + png_infop info_ptr; + + png_bytep *row_pointers; + + char *infile = NULL; + FILE *f; + FILE *stat_log; + + char *cmd = strrchr(argv[0], '/'); + const char *param = NULL; + const char *name = ""; + char *out = NULL; + int c_r = 20; + int c_g = 50; + int c_b = 175; + const qs_png_elt_t* elt; + + if(cmd == NULL) { + cmd = argv[0]; + } else { + cmd++; + } + + while(argc >= 1) { + if(strcmp(*argv,"-i") == 0) { + if (--argc >= 1) { + infile = *(++argv); + } + } else if(strcmp(*argv,"-p") == 0) { + if (--argc >= 1) { + param = *(++argv); + name = param; + } + } else if(strcmp(*argv,"-o") == 0) { + if (--argc >= 1) { + out = *(++argv); + } + } else if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } + argc--; + argv++; + } + + + if(infile == NULL || param == NULL || out == NULL) usage(cmd, 0); + for(elt = qs_png_elts; elt->param != NULL ; ++elt) { + if(strcmp(elt->param, param) == 0) { + name = elt->name; + c_r = elt->r; + c_g = elt->g; + c_b = elt->b; + } + } + + stat_log = fopen(infile, "r"); + if(stat_log == NULL) { + fprintf(stderr,"[%s]: ERROR, could not open input file <%s>\n", cmd, infile); + exit(1); + } + + f = fopen(out, "wb"); + if(f == NULL) { + fprintf(stderr,"[%s]: ERROR, could not open output file <%s>\n", cmd, out); + exit(1); + } + + png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + if(png_ptr == NULL) { + fprintf(stderr,"[%s]: ERROR, could not create png struct\n", cmd); + exit(1); + } + info_ptr = png_create_info_struct(png_ptr); + if(info_ptr == NULL) { + fprintf(stderr,"[%s]: ERROR, could not create png information struct\n", cmd); + exit(1); + } + if(setjmp(png_jmpbuf(png_ptr))) { + fprintf(stderr,"[%s]: ERROR, could not init png struct\n", cmd); + exit(1); + } + png_set_write_fn(png_ptr, f, lp_write_data, NULL); + + /* write header */ + if(setjmp(png_jmpbuf(png_ptr))) { + fprintf(stderr,"[%s]: ERROR, could not write png header\n", cmd); + exit(1); + } + + color_type = PNG_COLOR_TYPE_RGB_ALPHA; + bit_depth = 8; + width = X_COUNTS; + height = Y_COUNTS; + b_width = width + (2 * XY_BORDER); + b_height = height + (2 * XY_BORDER); + + png_set_IHDR(png_ptr, info_ptr, + b_width, b_height, + bit_depth, + color_type, + PNG_INTERLACE_NONE, + PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); + png_write_info(png_ptr, info_ptr); + + /* write bytes */ + if(setjmp(png_jmpbuf(png_ptr))) { + fprintf(stderr,"[%s]: ERROR, could not write png data\n", cmd); + exit(1); + } + + /* alloc and background */ + lp_init(width, height, XY_BORDER, &row_pointers); + + /* paint */ + { + char buf[HUGE_STRING_LEN]; + snprintf(buf, sizeof(buf), ";%s;", param); + scale = qs_png_draw(width, height, XY_BORDER, row_pointers, + stat_log, buf, c_r, c_g, c_b); + } + + /* min/max/title label */ + qs_png_label(width, height, XY_BORDER, row_pointers, scale, + name); + + + /* done, write image */ + png_write_image(png_ptr, row_pointers); + /* end write */ + if(setjmp(png_jmpbuf(png_ptr))) { + fprintf(stderr,"[%s]: ERROR, could not write png data\n", cmd); + exit(1); + } + png_write_end(png_ptr, NULL); + + /* cleanup heap allocation */ + for(y=0; y<height; y++) { + free(row_pointers[y]); + } + free(row_pointers); + + fclose(f); + fclose(stat_log); + return 0; +} diff --git a/tools/src/qsre.c b/tools/src/qsre.c new file mode 100644 index 0000000..53187b8 --- /dev/null +++ b/tools/src/qsre.c @@ -0,0 +1,226 @@ +/** + * qsre.c: pcre expression match test tool + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qsre.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +/* system */ +#include <stdio.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +/* apr */ +#include <apr.h> +#include <apr_strings.h> +#include <apr_time.h> +#include <apr_general.h> +#include <apr_lib.h> +#include <apr_portable.h> +#include <apr_support.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" + +#define QS_OVECCOUNT 100 + + +static void usage(const char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s matches a regular expression against test strings.\n", cmd); + printf("\n"); + + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s <string>|<path> <pcre>|<path>\n", man ? "" : "Usage: ", cmd); + printf("\n"); + + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "Regular expression test tool.\n"); + qs_man_print(man, "The provided regular expression (pcre, caseless matching, \".\" matches anything\n"); + qs_man_print(man, "incl. newline) is appplied against the provided test strings to verify if the\n"); + qs_man_print(man, "pattern matches.\n"); + printf("\n"); + + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " <string>|<path>\n"); + if(man) printf("\n"); + qs_man_print(man, " The first argument either defines a single test string of a path to\n"); + qs_man_print(man, " a file containing either multiple test strings or a test pattern with\n"); + qs_man_print(man, " newline characters (text).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " <pcre>|<path>\n"); + if(man) printf("\n"); + qs_man_print(man, " The second argument either defines a regular expression or a path to\n"); + qs_man_print(man, " a file containing the expression.\n"); + printf("\n"); + + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +static int rmatch(const char *line, qs_regex_t *preg) { + qs_regmatch_t regm[QS_MAX_REG_MATCH]; + int rc_c = -1; + do { + int rc = qs_regexec_len(preg, line, strlen(line), QS_MAX_REG_MATCH, regm, 0); + if(rc >= 0) { + int ix; + rc_c = 0; + printf("[%.*s]", regm[0].rm_eo - regm[0].rm_so, &line[regm[0].rm_so]); + for(ix = 1; ix < rc; ix++) { + printf(" $%d=%.*s", ix, regm[ix].rm_eo - regm[ix].rm_so, &line[regm[ix].rm_so]); + } + line = &line[regm[0].rm_eo]; + } else { + line = NULL; + } + } while(line && line[0]); + return rc_c; +} + +int main(int argc, const char *const argv[]) { + const char *errptr = NULL; + int erroffset; + qs_regex_t *preg; + int rc_c = -1; + const char *line; + const char *in; + const char *pattern; + FILE *file; + apr_pool_t *pool; + char *raw = ""; + int linenr = 0; + + const char *cmd = strrchr(argv[0], '/'); + + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + if(argc != 2) { + if(argc == 1 && strcmp(argv[0], "--man") == 0) { + usage(cmd, 1); + } else { + usage(cmd, 0); + } + } + in = argv[0]; + pattern = argv[1]; + + file = fopen(pattern, "r"); + if(file) { + char readline[MAX_LINE]; + if(fgets(readline, MAX_LINE-1, file) != NULL) { + int len = strlen(readline); + while(len > 0 && readline[len] < 32) { + readline[len] = '\0'; + len--; + } + pattern = apr_pstrdup(pool, readline); + } + fclose(file); + } + printf("expression: %s\n", pattern); + + preg = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(preg, pattern, PCRE2_DOTALL|PCRE2_CASELESS) != 0) { + fprintf(stderr, "ERROR, rule <%s> could not compile regular expression\n", pattern); + exit(1); + } + apr_pool_pre_cleanup_register(pool, preg, qs_pregfree); + + file = fopen(in, "r"); + if(file) { + char readline[MAX_LINE]; + while(fgets(readline, MAX_LINE-1, file) != NULL) { + int len = strlen(readline); + linenr++; + printf("line %.3d: ", linenr); + raw = apr_pstrcat(pool, raw, readline, NULL); + while(len > 0 && readline[len] < 32) { + readline[len] = '\0'; + len--; + } + if(readline[0] >= 32 && strlen(readline) > 0) { + line = readline; + rc_c = rmatch(line, preg); + } + printf("\n"); + } + fclose(file); + printf("entire content match:\n"); + rc_c = rmatch(raw, preg); + printf("\n"); + } else { + line = in; + rc_c = rmatch(line, preg); + printf("\n"); + } + if(rc_c < 0) { + printf("no match\n"); + return 2; + } + return 0; +} diff --git a/tools/src/qsrespeed.c b/tools/src/qsrespeed.c new file mode 100644 index 0000000..dc949f1 --- /dev/null +++ b/tools/src/qsrespeed.c @@ -0,0 +1,308 @@ +/** + * Utility for the quality of service module mod_qos. + * + * qsrespeed.c: tool to measure the processing time + * of regular expressions + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Revision: 2654 $"; + +/* system */ +#include <stdio.h> +#include <string.h> + +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +/* apr */ +#include <apr.h> +#include <apr_strings.h> +#include <apr_time.h> +#include <apr_general.h> +#include <apr_lib.h> +#include <apr_portable.h> +#include <apr_support.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" + +#define LOOPS 100 + +typedef struct { + qs_regex_t *preg; +} rule_t; + +static void usage(const char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "Tool to compare / estimate the processing time for (Perl-compatible)\n"); + qs_man_print(man, "regular expressions (PCRE).\n"); + printf("\n"); + + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s <path>\n", man ? "" : "Usage: ", cmd); + printf("\n"); + + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s loads regular expressions from the provided file and matches\n", cmd); + qs_man_print(man, "them against a built-in set of strings measuring the time needed to\n"); + qs_man_print(man, "process them. It's a benchmark too to judge the expressions you have\n"); + qs_man_print(man, "defined regarding the potential CPU consumption.\n"); + printf("\n"); + + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Defines the input file to process. The file consists a list of\n"); + qs_man_print(man, " (separated by a newline character) regular expressions to test\n"); + printf("\n"); + + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrotate(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +typedef struct { + const char* string; + int len; +} qs_r_t; + +int main(int argc, const char *const argv[]) { + int datalen=0; + qs_r_t data[] = { + { "Emma", 0 }, + { "Buchschacher", 0 }, + { "Schafhauserstrasse 60, 8000 Zürich", 0 }, + { "128128127136178267893209807237276365235", 0 }, + { "/get/application/data/index/list/all/data", 0 }, + { "05.03.1978", 0 }, + { "888 888-888-777", 0 }, + { "name=value&id=kAfBFLJaBQB-AAABBQAAAAZgAAAA9--DwnTUWct-AAA2&host=me.main.org&key=121213122aaaaaaaaaaMMMM123&tex=emb+ed", 0 }, + { "<x:ml><node attribute=\"value\" attr2=\"99999999\">text shows_this!</node></x:ml>", 0 }, + { "<html lang=\"en\"><meta charset=\"utf-8\"><meta property=\"og:type\" content=\"website\"></html>", 0 }, + { "lajksdfhjklasdhfaskdjfhklasjdlfaksdhfasjkdflsajkdflkdflhdjklfadhfksdjfhklasjdhfskljdfhsklajdhflskjdfhlskjhdflksjdhlfksjdhfjklsdhfklsdhfklsjdhklshlksfhdklfhslkdfhlskhdklsjhdflskfhlsh", 0 }, + { "ajksdfhjklasdhfaskdjfhklasjdlfaksdhfasjkdflsajkdflkdflhdjklfadhfksdjfhklasjdhfskljdfhsklajdhflskjdfhlskjhdflksjdhlfksjdhfjklsdhfklsdhfklsjdhklshlksfljsdahsdznvztbasmuiwmereizfrbizvnsdmovosduvnuztbvzucxzvmpmvdzubtfrmeirmrnbewrJHJSBNUAIMSODMAINBSUDTAZSUDIOASMDNBAGZDTSZBUANIMOINSAUBZDGTZUIOIMSKNABJDHT9807765243567283992039209376526368799230827836526789 ç%&/\"(><<<-.,:;)*=)()(&%\"ç", 0 }, + { "text/html,application/xhtml+xm…plication/xml;q=0.9,*/*;q=0.8", 0 }, + { "Accept-Language: fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5", 0}, + { "Hm_lvt_ef1299edab2ff5d2f13e859…d=GA1.2.1594867574.1516566392", 0 }, + { "If-Modified-Since", 0 }, + { "Fri, 05 Jan 2018 02:34:41 GMT", 0 }, + { "[Wed Feb 28 22:08:09 2018] [notice] Apache/2.2.34 (Unix) mod_ssl/2.2.34 OpenSSL/1.0.2g mod_qos/11.52 configured -- resuming normal operations", 0 }, + { "127.0.0.1 - - [28/Feb/2018:21:03:37 +0100] \"GET /console?action=inclimit&address=194.31.217.21&event=QS_Limit HTTP/1.1\" 200 52 \"-\" 0 - - - id=wWkYPUtmBQARFAABEAAAAAAX-yQgC5d2 - - #5230", 0 }, + { "2013/11/07 17:44:07 [error] 4640#0: *55 auth_token_module(014): request not authorized: invalid signature, client: 127.0.0.1, server: localhost, request: \"GET /app/index.html?req=1 HTTP/1.1\", host: \"127.0.0.1:8204\" 000000000002#IPhzBRn7cuuGdqBI7T4OSIjXx7JGliUokCk8dFIU9n0=", 0 }, + { "2010 12 04 20:46:45.118 dispatch IWWWauthCo 07148.4046314384 3-ERROR : AuthsessClient_1_0::execute: no valid 000000000002#5jYHrFBotkZwAs5EyfVQVgNZb3M=", 0 }, + { "2011-09-01 07:37:17,275 main org.apache.catalina.startup.Catalina INFO Server startup in 5770 ms 000000000002#LQ/h2UbJ2HzdZyf8BqnB7TB8LZM=", 0 }, + { "2010-04-14 20:18:37,464 | INFO | org.hibernate.cfg ::getInputStream:1081 resource: /hibernate.cfg.xml 000000000002#9lpZof9jvdMRrIebCM7rbKzJ7aY=", 0 }, + { "http://mod-qos.sourceforge.net/", 0 }, + { "Mozilla/5.0 (X11; Ubuntu; Linu…) Gecko/20100101 Firefox/57.0", 0 }, + { " Whether 'tis nobler in the mind to suffer The slings and arrows of outrageous fortune, Or to take arms against a sea of troubles, And by opposing end them? To die: to sleep; No more; and by a sleep to say we end The heart-ache and the thousand natural shocks That flesh is heir to, 'tis a consummation Devoutly to be wish'd.", 0 }, + { "To be, or not to be: that is the question: Whether 'tis nobler in the mind to suffer The slings and arrows of outrageous fortune, Or to take arms against a sea of troubles, And by opposing end them? To die: to sleep; No more; and by a sleep to say we end The heart-ache and the thousand natural shocks That flesh is heir to, 'tis a consummation Devoutly to be wish'd. To die, to sleep; To sleep: perchance to dream: ay, there's the rub; For in that sleep of death what dreams may come When we have shuffled off this mortal coil, Must give us pause: there's the respect That makes calamity of so long life; For who would bear the whips and scorns of time, The oppressor's wrong, the proud man's contumely, The pangs of despised love, the law's delay, The insolence of office and the spurns That patient merit of the unworthy takes, When he himself might his quietus make With a bare bodkin? who would fardels bear, To grunt and sweat under a weary life, But that the dread of something after death, The undiscover'd country from whose bourn No traveller returns, puzzles the will And makes us rather bear those ills we have Than fly to others that we know not of? Thus conscience does make cowards of us all; And thus the native hue of resolution Is sicklied o'er with the pale cast of thought, And enterprises of great pith and moment With this regard their currents turn awry, And lose the name of action.--Soft you now! The fair Ophelia! Nymph, in thy orisonsBe all my sins remember'd.", 0 }, + { "{\n" \ + " \"_to\": \"1.2.3.4:5678\",\n" \ + " \"_line\": 63546230,\n" \ + " \"profile_image_url\": \"http://a3.twimg.com/profile_images/852841481/Untitled_3_normal.jpg\",\n" \ + " \"created_at\": \"Sat, 08 May 2010 21:46:23 +0000\",\n" \ + " \"from_user\": \"pelchiie\",\n" \ + " \"metadata\": {\n" \ + " \"result_type\": \"recent\"\n" \ + " },\n" \ + " \"to_user_id\": null,\n" \ + " \"text\": \"twitter is dead today.\",\n" \ + " \"id\": 13630378882,\n" \ + " \"from_user_id\": 12621761,\n" \ + " \"geo\": null,\n" \ + " \"iso_language_code\": \"en\",\n" \ + " \"source\": \"<a href=\\\"http://twitter.com/\\\">web</a>\"\n" \ + "}", 0 }, + { NULL, 0 } + }; + + int i; + FILE *file; + char readline[MAX_LINE]; + + const char *cmd = strrchr(argv[0], '/'); + + apr_pool_t *pool; + apr_table_t *rules; + long long start; + long long end; + struct timeval tv; + static char ver[80]; + + const char *filename = NULL; + + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + rules = apr_table_make(pool, 100); + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-h") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } else { + filename = *argv; + } + argc--; + argv++; + } + + + { + // init + qs_r_t *d = data; + while(d->string) { + d->len = strlen(d->string); + datalen += d->len; + d++; + } + } + + if(filename == NULL) { + usage(cmd, 0); + } + + file = fopen(filename, "r"); + if(!file) { + fprintf(stderr, "ERROR, failed to open the log file '%s'\n", filename); + exit(1); + } + while(fgets(readline, MAX_LINE-1, file) != NULL) { + char *p; + int len = strlen(readline); + rule_t *rule = apr_pcalloc(pool, sizeof(rule_t)); + + while(len > 0 && readline[len] < 32) { + readline[len] = '\0'; + len--; + } + if((strlen(readline) > 0) && + (readline[0] != CR) && + (readline[0] != LF)) { + + p = readline; + + rule->preg = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(rule->preg, p, PCRE2_DOTALL|PCRE2_CASELESS) != 0) { + printf("failed to compile pattern [%s]\n", p); + exit(1); + } + apr_pool_pre_cleanup_register(pool, rule->preg, qs_pregfree); + apr_table_addn(rules, apr_pstrdup(pool, p), (char *)rule); + } + } + + + { // per rule + int k; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(k = 0; k < apr_table_elts(rules)->nelts; k++) { + rule_t* rule = (rule_t *)entry[k].val; + gettimeofday(&tv, NULL); + start = tv.tv_sec * 1000000 + tv.tv_usec; + for(i = 0; i < LOOPS; i++) { + qs_r_t *d = data; + while(d->string) { + qs_regexec_len(rule->preg, d->string, d->len, 0, NULL, 0); + d++; + } + } + gettimeofday(&tv, NULL); + end = tv.tv_sec * 1000000 + tv.tv_usec; + printf("%lld usec for %s\n", (end - start)/LOOPS, entry[k].key); + } + } + + // all rules + gettimeofday(&tv, NULL); + start = tv.tv_sec * 1000000 + tv.tv_usec; + for(i = 0; i < LOOPS; i++) { + const qs_r_t *d = data; + while(d->string) { + int k; + apr_table_entry_t *entry = (apr_table_entry_t *)apr_table_elts(rules)->elts; + for(k = 0; k < apr_table_elts(rules)->nelts; k++) { + rule_t* rule = (rule_t *)entry[k].val; + qs_regexec_len(rule->preg, d->string, d->len, 0, NULL, 0); + } + d++; + } + } + gettimeofday(&tv, NULL); + end = tv.tv_sec * 1000000 + tv.tv_usec; + pcre2_config(PCRE2_CONFIG_VERSION, ver); + printf("match all rules (%d) against the test variables (%lu strings, %d characters) took: %lld usec (%s/PCRE %s)\n", + apr_table_elts(rules)->nelts, + sizeof(data)/sizeof(qs_r_t)-1, + datalen, + (end - start) / LOOPS, + revision, ver); + return 0; + +} diff --git a/tools/src/qsrotate.c b/tools/src/qsrotate.c new file mode 100644 index 0000000..213a2e4 --- /dev/null +++ b/tools/src/qsrotate.c @@ -0,0 +1,522 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * qsrotate.c: Log rotation tool. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +static const char revision[] = "$Id: qsrotate.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <string.h> + +#include <errno.h> +#include <fcntl.h> +#include <dirent.h> + +#include <stdlib.h> +#include <unistd.h> + +#include <pthread.h> + +#include <time.h> +#include <zlib.h> + +#include <signal.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <sys/stat.h> + +#include "qs_util.h" + +#define HUGE_STR 1024 + +//yyyy-mm-dd<sp>hh-mm-ss<sp> +#define TME_STR_LEN 20 + +/* global variables used by main and support thread */ +static int m_force_rotation = 0; +static time_t m_tLogEnd = 0; +static time_t m_tRotation = 86400; /* default are 24h */ +static int m_nLogFD = -1; +static int m_generations = -1; +static mode_t m_mode = 0660; +static char *m_file_name = NULL; +static long m_messages = 0; +static char *m_cmd = NULL; +static int m_compress = 0; +static int m_stdout = 0; +static int m_timestamp = 0; +static char time_string[TME_STR_LEN]; +static long m_counter = 0; +static long m_limit = 2147483648 - (128 * 1024); +static int m_offset = 0; +static int m_offset_enabled = 0; + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - a log rotation tool (similar to Apache's rotatelogs).\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -o <file> [-s <sec> [-t <hours>]] [-b <bytes>] [-f] [-z] [-g <num>] [-u <name>] [-m <mask>] [-p] [-d]\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s reads from stdin (piped log) and writes the data to the provided\n", cmd); + qs_man_print(man, "file rotating the file after the specified time.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -o <file>\n"); + if(man) printf("\n"); + qs_man_print(man, " Output log file to write the data to (use an absolute path).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -s <sec>\n"); + if(man) printf("\n"); + qs_man_print(man, " Rotation interval in seconds, default are 86400 seconds.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -t <hours>\n"); + if(man) printf("\n"); + qs_man_print(man, " Offset to UTC (enables also DST support), default is 0.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -b <bytes>\n"); + if(man) printf("\n"); + qs_man_print(man, " File size limitation (default/max. are %ld bytes, min. are 1048576 bytes).\n", m_limit); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -f\n"); + if(man) printf("\n"); + qs_man_print(man, " Forced log rotation at the specified interval even no data is written.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -z\n"); + if(man) printf("\n"); + qs_man_print(man, " Compress (gzip) the rotated file.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -g <num>\n"); + if(man) printf("\n"); + qs_man_print(man, " Generations (number of files to keep).\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -u <name>\n"); + if(man) printf("\n"); + qs_man_print(man, " Become another user, e.g. www-data.\n"); + qs_man_print(man, " -m <mask>\n"); + if(man) printf("\n"); + qs_man_print(man, " File permission which is either 600, 640, 660 (default) or 664.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p\n"); + if(man) printf("\n"); + qs_man_print(man, " Writes data also to stdout (for piped logging).\n"); + qs_man_print(man, " -d\n"); + if(man) printf("\n"); + qs_man_print(man, " Line-by-line data reading prefixing every line with a timestamp.\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + } else { + printf("Example:\n"); + } + qs_man_println(man, " TransferLog \"|/usr/bin/%s -f -z -g 3 -o /var/log/apache/access.log -s 86400\"\n", cmd); + printf("\n"); + qs_man_print(man, "The name of the rotated file will be /dest/filee.YYYYmmddHHMMSS\n"); + qs_man_print(man, "where YYYYmmddHHMMSS is the system time at which the data has been\n"); + qs_man_print(man, "rotated.\n"); + printf("\n"); + if(man) { + printf(".SH NOTE\n"); + } else { + printf("Notes:\n"); + } + qs_man_println(man, " - Each %s instance must use an individual file.\n", cmd); + qs_man_println(man, " - You may trigger a file rotation manually by sending the signal USR1\n"); + qs_man_print(man, " to the process.\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qsre(1), qsrespeed(1), qspng(1), qssign(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +static time_t get_now() { + time_t now = time(NULL); + if(m_offset_enabled) { + struct tm lcl = *localtime(&now); + if(lcl.tm_isdst) { + now += 3600; + } + now += m_offset; + } + return now; +} + +static int openFile(const char *cmd, const char *file_name) { + int m_nLogFD = open(file_name, O_WRONLY | O_CREAT | O_APPEND, m_mode); + /* error while opening log file */ + if(m_nLogFD < 0) { + fprintf(stderr,"[%s]: ERROR, failed to open file <%s>\n", cmd, file_name); + } + return m_nLogFD; +} + +/** + * Compress method called by a child process (forked) + * used to compress the rotated file. + * + * @param cmd Command name (used when logging errors) + * @param arch Path to the file to compress. File gets renamed to <arch>.gz + */ +static void compressThread(const char *cmd, const char *arch) { + gzFile *outfp; + int infp; + char dest[HUGE_STR+20]; + char buf[HUGE_STR]; + int len; + snprintf(dest, sizeof(dest), "%s.gz", arch); + /* low prio */ + if(nice(10) == -1) { + fprintf(stderr, "[%s]: WARNING, failed to change nice value: %s\n", cmd, strerror(errno)); + } + if((infp = open(arch, O_RDONLY)) == -1) { + /* failed to open file, can't compress it */ + fprintf(stderr,"[%s]: ERROR, could not open file for compression <%s>\n", cmd, arch); + return; + } + if((outfp = gzopen(dest,"wb")) == NULL) { + fprintf(stderr,"[%s]: ERROR, could not open file for compression <%s>\n", cmd, dest); + close(infp); + return; + } + chmod(dest, m_mode); + while((len = read(infp, buf, sizeof(buf))) > 0) { + gzwrite(outfp, buf, len); + } + gzclose(outfp); + close(infp); + /* done, delete the old file */ + unlink(arch); +} + +void sigchild(int signo) { + pid_t pid; + int stat; + while((pid=waitpid(-1,&stat,WNOHANG)) > 0) { + } +} + +void writeTimestamp() { + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + strftime(time_string, TME_STR_LEN, "%Y-%m-%d %H:%M:%S ", ptr); + write(m_nLogFD, time_string, TME_STR_LEN); +} + +/** + * Rotates a file + * + * @param cmd Command name to be used in log messages + * @param now + * @param file_name Name of the file to rotate (rename) + * @param messages Number of lines/buffers which had been read + */ +static void rotate(const char *cmd, time_t now, + const char *file_name, long *messages) { + int rc; + char arch[HUGE_STR+20]; + char tmb[20]; + struct tm *ptr = localtime(&now); + strftime(tmb, sizeof(tmb), "%Y%m%d%H%M%S", ptr); + snprintf(arch, sizeof(arch), "%s.%s", file_name, tmb); + + /* set next rotation time */ + m_tLogEnd = ((now / m_tRotation) * m_tRotation) + m_tRotation; + // reset byte counter + m_counter = 0; + + /* rename current file */ + if(m_nLogFD >= 0) { + close(m_nLogFD); + rename(file_name, arch); + } + + /* open new file */ + m_nLogFD = openFile(cmd, file_name); + if(m_nLogFD < 0) { + /* opening a new file has failed! + try to reopen and clear the last file */ + char msg[HUGE_STR]; + snprintf(msg, sizeof(msg), "ERROR while writing to file, %ld messages lost\n", *messages); + fprintf(stderr,"[%s]: ERROR, while writing to file <%s>\n", cmd, file_name); + rename(arch, file_name); + m_nLogFD = openFile(cmd, file_name); + if(m_nLogFD > 0) { + rc = ftruncate(m_nLogFD, 0); + rc = write(m_nLogFD, msg, strlen(msg)); + } + } else { + *messages = 0; + if(m_compress || (m_generations != -1)) { + signal(SIGCHLD,sigchild); + if(fork() == 0) { + if(m_compress) { + compressThread(cmd, arch); + } + if(m_generations != -1) { + qs_deleteOldFiles(file_name, m_generations); + } + exit(0); + } + } + } +} + +/** + * Separate thread which initiates file rotation even no + * log data is written. + * + * @param argv (not used) + */ +static void *forcedRotationThread(void *argv) { + time_t now; + time_t n; + while(1) { + qs_csLock(); + now = get_now(); + if(now > m_tLogEnd) { + rotate(m_cmd, now, m_file_name, &m_messages); + } + qs_csUnLock(); + now = get_now(); + n = 1 + m_tLogEnd - now; + sleep(n); + } + return NULL; +} + +void handle_signal1(int signal) { + rotate(m_cmd, get_now(), m_file_name, &m_messages); + return; +} + +int main(int argc, char **argv) { + char *username = NULL; + int rc; + char *buf; + int nRead, nWrite; + time_t now; + struct stat st; + long sizeLimit = 0; + + pthread_attr_t *tha = NULL; + pthread_t tid; + struct sigaction sa; + + char *cmd = strrchr(argv[0], '/'); + + sa.sa_handler = &handle_signal1; + sa.sa_flags = SA_RESTART; + + if(cmd == NULL) { + cmd = argv[0]; + } else { + cmd++; + } + m_cmd = calloc(1, strlen(cmd)+1); + strcpy(m_cmd, cmd); // copy as we can't pass it when forking + + while(argc >= 1) { + if(strcmp(*argv,"-o") == 0) { + if (--argc >= 1) { + m_file_name = *(++argv); + } + } else if(strcmp(*argv,"-u") == 0) { + if (--argc >= 1) { + username = *(++argv); + } + } else if(strcmp(*argv,"-s") == 0) { + if (--argc >= 1) { + m_tRotation = atoi(*(++argv)); + } + } else if(strcmp(*argv,"-t") == 0) { + if (--argc >= 1) { + m_offset = atoi(*(++argv)); + m_offset = m_offset * 3600; + m_offset_enabled = 1; + } + } else if(strcmp(*argv,"-g") == 0) { + if (--argc >= 1) { + m_generations = atoi(*(++argv)); + } + } else if(strcmp(*argv,"-b") == 0) { + if (--argc >= 1) { + sizeLimit = atol(*(++argv)); + } + } else if(strcmp(*argv,"-m") == 0) { + if (--argc >= 1) { + int mode = atoi(*(++argv)); + if(mode == 600) { + m_mode = 0600; + } else if(mode == 640) { + m_mode = 0640; + } else if(mode == 660) { + m_mode = 0660; + } else if(mode == 664) { + m_mode = 0664; + } + } + } else if(strcmp(*argv,"-z") == 0) { + m_compress = 1; + } else if(strcmp(*argv,"-p") == 0) { + m_stdout = 1; + } else if(strcmp(*argv,"-d") == 0) { + m_timestamp = 1; + memset(time_string, 32, TME_STR_LEN); + } else if(strcmp(*argv,"-f") == 0) { + m_force_rotation = 1; + } else if(strcmp(*argv,"-h") == 0) { + usage(m_cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(m_cmd, 0); + } else if(strcmp(*argv,"-?") == 0) { + usage(m_cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(m_cmd, 1); + } + + argc--; + argv++; + } + + if(m_file_name == NULL) usage(m_cmd, 0); + if(sizeLimit > 0 && sizeLimit < m_limit && sizeLimit >= (1024 * 1024)) { + m_limit = sizeLimit; + } else if(sizeLimit > 0 && sizeLimit < (1024 * 1024)) { + m_limit = 1024 * 1024; + } + + if(stat(m_file_name, &st) == 0) { + m_counter = st.st_size; + } + + sigaction(SIGUSR1, &sa, NULL); + qs_setuid(username, m_cmd); + + /* set next rotation time */ + now = get_now(); + m_tLogEnd = ((now / m_tRotation) * m_tRotation) + m_tRotation; + /* open file */ + m_nLogFD = openFile(m_cmd, m_file_name); + if(m_nLogFD < 0) { + /* startup did not success */ + exit(2); + } + + if(m_force_rotation) { + qs_csInitLock(); + pthread_create(&tid, tha, forcedRotationThread, NULL); + } + + buf = calloc(1, MAX_LINE_BUFFER+1); + for(;;) { + if(m_timestamp) { + // low perf line-by-line read + if(fgets(buf, MAX_LINE_BUFFER, stdin) == NULL) { + exit(3); + } else { + nRead = strlen(buf); + if(m_force_rotation) { + qs_csLock(); // >@CTR1 + } + m_counter += (nRead + TME_STR_LEN); + now = get_now(); + writeTimestamp(); + nWrite = write(m_nLogFD, buf, nRead); + } + } else { + // normal/fast buffer read/process + nRead = read(0, buf, MAX_LINE_BUFFER); + if(nRead == 0) exit(3); + if(nRead < 0) if(errno != EINTR) exit(4); + if(m_force_rotation) { + qs_csLock(); // >@CTR1 + } + m_counter += nRead; + now = get_now(); + /* write data if we have a file handle (else continue but drop log data, + re-try to open the file at next rotation time) */ + if(m_nLogFD >= 0) { + do { + nWrite = write(m_nLogFD, buf, nRead); + if(m_stdout) { + printf("%.*s", nRead, buf); + } + } while (nWrite < 0 && errno == EINTR); + } + m_messages++; + if(nWrite != nRead) { + if(m_nLogFD >= 0) { + char msg[HUGE_STR]; + snprintf(msg, sizeof(msg), "ERROR while writing to file, %ld messages lost\n", m_messages); + /* error while writing data, try to delete the old file and continue ... */ + rc = ftruncate(m_nLogFD, 0); + rc = write(m_nLogFD, msg, strlen(msg)); + m_messages = 0; + } + } + } + // end buffer or line read + if((now > m_tLogEnd) || (m_counter > m_limit)) { + /* rotate! */ + rotate(m_cmd, now, m_file_name, &m_messages); + } + if(m_force_rotation) { + qs_csUnLock(); // <@CTR1 + } + } + memset(buf, 0, MAX_LINE_BUFFER); + free(buf); + return 0; +} diff --git a/tools/src/qssign.c b/tools/src/qssign.c new file mode 100644 index 0000000..6ea7021 --- /dev/null +++ b/tools/src/qssign.c @@ -0,0 +1,799 @@ +/** + * Utilities for the quality of service module mod_qos. + * + * qssign.c: Log data signing tool to ensure data integrity. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +static const char revision[] = "$Id: qssign.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <regex.h> +#include <signal.h> + +/* openssl */ +#include <openssl/evp.h> +#include <openssl/hmac.h> + +/* apr/apr-util */ +#define QS_USEAPR 1 +#include <apr.h> +#include <apr_base64.h> +#include <apr_pools.h> +#include <apr_strings.h> +#include <apr_thread_proc.h> +#include <apr_file_io.h> +#include <apr_time.h> + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include <pcre2.h> + +#include "qs_util.h" +#include "qs_apo.h" + +#define SEQDIG "12" +#define QS_END "qssign---end-of-data" +#define QS_START "qssign---------start" + +static const char *m_start_fmt = ""; +static const char *m_end_fmt = ""; +static long m_nr = 1; +static int m_logend = 0; +static void (*m_end)(const char *, int) = NULL; +static int m_end_pos = 0; +static const char *m_sec = NULL; +static const EVP_MD *m_evp; +static qs_regex_t *m_filter = NULL; + +typedef struct { + const char* start_fmt; + const char* end_fmt; + const char* pattern; + const char* test; +} qos_p_t; + +#define severity "[A-Z]+" + +static const qos_p_t pattern[] = { + { + "%s | INFO | "QS_START, + "%s | INFO | "QS_END, + "^[0-9]{4}[-][0-9]{2}[-][0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}[ ]+[|][ ]+"severity"[ ]+[|][ ]+[a-zA-Z0-9]+", + "2010-04-14 20:18:37,464 | INFO | org.hibernate.cfg.Configuration" + }, + { + "%s INFO "QS_START, + "%s INFO "QS_END, + "^[0-9]{4}[-][0-9]{2}[-][0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}[ ]+"severity"[ ]+", + "2011-08-30 07:27:22,738 INFO loginId='test'" + }, + { + "%s qssign start INFO "QS_START, + "%s qssign end INFO "QS_END, + "^[0-9]{4}[-][0-9]{2}[-][0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}[ ]+[a-zA-Z0-9\\.-]+[ ]+[a-zA-Z0-9\\.-]+[ ]+"severity"[ ]+", + "2011-09-01 07:37:17,275 main org.apache.catalina.startup.Catalina INFO Server" + }, + { + "%s INFO "QS_START, + "%s INFO "QS_END, + "^[0-9]{4}[-][0-9]{2}[-][0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}[ ]+", + "2011-08-30 07:27:22,738 " + }, + { NULL, NULL, NULL } +}; + +/** + * Writes the signed log line to stdout. + * + * @param line Data to sign + * @param line_size Length of the data + * @param sec Secret + * @param sec_len Length of the secret + */ +static void qs_write(char *line, int line_size, const char *sec, int sec_len) { +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX hmac; + HMAC_CTX *hmac_p = &hmac; +#else + HMAC_CTX *hmac_p; +#endif + unsigned char data[HMAC_MAX_MD_CBLOCK]; + unsigned int len; + char *m; + int data_len; + sprintf(&line[strlen(line)], " %."SEQDIG"ld", m_nr); +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX_init(hmac_p); +#else + hmac_p = HMAC_CTX_new(); +#endif + HMAC_Init_ex(hmac_p, sec, sec_len, m_evp, NULL); + HMAC_Update(hmac_p, (const unsigned char *)line, strlen(line)); + HMAC_Final(hmac_p, data, &len); +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX_cleanup(hmac_p); +#else + HMAC_CTX_free(hmac_p); +#endif + m = calloc(1, apr_base64_encode_len(len) + 1); + data_len = apr_base64_encode(m, (char *)data, len); + m[data_len] = '\0'; + printf("%s#%s\n", line, m); + fflush(stdout); + free(m); + m_nr++; + return; +} + +/* + * [Fri Dec 03 07:37:40 2010] [notice] ......... + */ +static void qs_end_apache_err(const char *sec, int start) { + int sec_len = strlen(sec); + char line[MAX_LINE]; + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = sizeof(line) - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + strftime(time_string, sizeof(time_string), "%a %b %d %H:%M:%S %Y", ptr); + if(start) { + sprintf(line, "[%s] [notice] "QS_START, time_string); + } else { + sprintf(line, "[%s] [notice] "QS_END, time_string); + } + qs_write(line, line_size, sec, sec_len); + return; +} + +/* + * 12.12.12.12 - - [03/Dec/2010:07:36:51 +0100] ............... + */ +static void qs_end_apache_acc(const char *sec, int start) { + int sec_len = strlen(sec); + char line[MAX_LINE]; + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = sizeof(line) - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + char sign; + int timz; + apr_time_exp_t xt; + apr_time_exp_lt(&xt, apr_time_now()); + timz = xt.tm_gmtoff; + if(timz < 0) { + timz = -timz; + sign = '-'; + } else { + sign = '+'; + } + strftime(time_string, sizeof(time_string), "%d/%b/%Y:%H:%M:%S", ptr); + if(start) { + sprintf(line, "0.0.0.0 - - [%s %c%.2d%.2d] "QS_START, time_string, sign, timz / (60*60), (timz % (60*60)) / 60); + } else { + sprintf(line, "0.0.0.0 - - [%s %c%.2d%.2d] "QS_END, time_string, sign, timz / (60*60), (timz % (60*60)) / 60); + } + qs_write(line, line_size, sec, sec_len); + return; +} + +/* + * 2010 12 03 17:00:30.425 qssign end 0.0 5-NOTICE: .............. + */ +static void qs_end_nj(const char *sec, int start) { + int sec_len = strlen(sec); + char line[MAX_LINE]; + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = sizeof(line) - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + char buf[1024]; + int i; + for(i = 0; i < m_end_pos; i++) { + buf[i] = ' '; + } + buf[i] = '\0'; + strftime(time_string, sizeof(time_string), "%Y %m %d %H:%M:%S.000", ptr); + if(start) { + sprintf(line, "%s qssign start 0.0%s 5-NOTICE: "QS_START, time_string, buf); + } else { + sprintf(line, "%s qssign end 0.0%s 5-NOTICE: "QS_END, time_string, buf); + } + qs_write(line, line_size, sec, sec_len); + return; +} + +/* + * 2010-04-14 20:18:37,464 ... (using m_fmt) + */ +static void qs_end_lj(const char *sec, int start) { + int sec_len = strlen(sec); + char line[MAX_LINE]; + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = sizeof(line) - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S,000", ptr); + if(start) { + sprintf(line, m_start_fmt, time_string); + } else { + sprintf(line, m_end_fmt, time_string); + } + qs_write(line, line_size, sec, sec_len); + return; +} + +/* + * Dec 6 04:00:06 localhost kernel: + */ +static void qs_end_lx(const char *sec, int start) { + char hostname[1024]; + int len = sizeof(hostname); + int sec_len = strlen(sec); + char line[MAX_LINE]; + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = sizeof(line) - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + strftime(time_string, sizeof(time_string), "%b %e %H:%M:%S", ptr); + if(gethostname(hostname, len) != 0) { + hostname[0] = '-'; + hostname[1] = '\0'; + } + if(start) { + sprintf(line, "%s %s qssign: "QS_START, time_string, hostname); + } else { + sprintf(line, "%s %s qssign: "QS_END, time_string, hostname); + } + qs_write(line, line_size, sec, sec_len); + return; +} + +/* + * 2013/11/13 17:38:41 [error] 6577#0: *1 open() + */ +static void qs_end_ngx(const char *sec, int start) { + int sec_len = strlen(sec); + char line[MAX_LINE]; + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = sizeof(line) - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + char time_string[1024]; + time_t tm = time(NULL); + struct tm *ptr = localtime(&tm); + strftime(time_string, sizeof(time_string), "%Y/%m/%d %H:%M:%S", ptr); + if(start) { + sprintf(line, "%s [notice] 0#0: "QS_END, time_string); + } else { + sprintf(line, "%s [notice] 0#0: "QS_END, time_string); + } + qs_write(line, line_size, sec, sec_len); + return; +} + +void qs_signal_exit(int e) { + if(m_logend && (m_end != NULL)) { + m_end(m_sec, 0); + } + exit(0); +} + +/** + * Tries to find out a suitable log line format which is used + * to log sign end messages (so let the verifier known, that the + * data ends nothing has been cut off). + * + * Sets the format to global variables. + * + * known pattern + * - [Fri Dec 03 07:37:40 2010] [notice] ......... + * - 12.12.12.12 - - [03/Dec/2010:07:36:51 +0100] ............... + * - 2010 12 03 17:00:30.425 qssign end 0.0 5-NOTICE: .............. + * 46 <- var -> 63 71 + * - Dec 6 04:00:06 localhost kernel: + * - some 2010-12-03 17:00:30,425 ... + * + * @param s + */ +static void qs_set_format(char *s) { + regex_t r_apache_err; + regex_t r_apache_acc; + regex_t r_nj; + regex_t r_lx; + regex_t r_ngx; + if(regcomp(&r_apache_err, + "^\\[[a-zA-Z]{3} [a-zA-Z]{3} [0-9]+ [0-9]+:[0-9]+:[0-9]+ [0-9]+\\] \\[[a-zA-Z]+\\] ", + REG_EXTENDED) != 0) { + fprintf(stderr, "failed to compile regex (err)\n"); + exit(1); + } + if(regcomp(&r_apache_acc, + "^[0-9.]+ [a-zA-Z0-9\\@_\\.\\-]+ [a-zA-Z0-9\\@_\\.\\-]+ \\[[0-9]+/[a-zA-Z]{3}/[0-9:]+[0-9\\+ ]+\\] ", + REG_EXTENDED) != 0) { + fprintf(stderr, "failed to compile regex (acc)\n"); + exit(1); + } + if(regcomp(&r_nj, + "^[0-9]{4} [0-9]{2} [0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}\\.[0-9]{3} [a-zA-Z0-9]+[ ]+.*[A-Z]+[ ]*:", + REG_EXTENDED) != 0) { + fprintf(stderr, "failed to compile regex (nj)\n"); + exit(1); + } + if(regcomp(&r_lx, + "^[a-zA-Z]{3}[ ]+[0-9]+[ ]+[0-9]{2}:[0-9]{2}:[0-9]{2}[ ]+[a-zA-Z0-9_\\.\\-]+[ ]+[a-zA-Z0-9_\\.\\-]+:", + REG_EXTENDED) != 0) { + fprintf(stderr, "failed to compile regex (lx)\n"); + exit(1); + } + if(regcomp(&r_ngx, + "^[0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} \\[[a-z]+\\] [0-9]+#[0-9]+: ", + REG_EXTENDED) != 0) { + fprintf(stderr, "failed to compile regex (ngx)\n"); + exit(1); + } + + + if(regexec(&r_apache_err, s, 0, NULL, 0) == 0) { + m_end = &qs_end_apache_err; + } else if(regexec(&r_apache_acc, s, 0, NULL, 0) == 0) { + m_end = &qs_end_apache_acc; + } else if(regexec(&r_nj, s, 0, NULL, 0) == 0) { + char *dp = strstr(s, ": "); + if(dp) { + /* calculate the "var" size, see comment above */ + m_end_pos = dp - s - 47 - 8 - 3; + if((m_end_pos < 0) || (m_end_pos > 1000)) { + m_end_pos = 0; + } + } + m_end = &qs_end_nj; + } else if(regexec(&r_lx, s, 0, NULL, 0) == 0) { + m_end = &qs_end_lx; + } else if(regexec(&r_ngx, s, 0, NULL, 0) == 0) { + m_end = &qs_end_ngx; + } + // search within the generic yyyy-mm-dd hh-mm-ss,mmm patterns + if(!m_end) { + const qos_p_t *p = pattern; + while(p->end_fmt) { + regex_t r_j; + if(regcomp(&r_j, p->pattern, REG_EXTENDED) != 0) { + fprintf(stderr, "failed to compile regex (%s)\n", p->pattern); + exit(1); + } + if(regexec(&r_j, s, 0, NULL, 0) == 0) { + m_start_fmt = p->start_fmt; + m_end_fmt = p->end_fmt; + m_end = &qs_end_lj; + break; + } + p++; + } + } + /* default (apache error log format) */ + if(m_end == NULL) { + m_end = &qs_end_apache_err; + } + return; +} + +/** + * Process the data from stdin. + * + * @param sec Passphrase + */ +static void qs_sign(const char *sec) { + int sec_len = strlen(sec); + char *line = calloc(1, MAX_LINE_BUFFER+1); + int dig = atoi(SEQDIG); + /* <data> ' ' <sequence number> '#' <hmac>*/ + int line_size = MAX_LINE_BUFFER - 1 - dig - 1 - (2*HMAC_MAX_MD_CBLOCK) - 1; + int line_len; + while(fgets(line, MAX_LINE_BUFFER, stdin) != NULL) { + line_len = strlen(line) - 1; + while(line_len > 0) { // cut tailing CR/LF + if(line[line_len] >= ' ') { + break; + } + line[line_len] = '\0'; + line_len--; + } + if(m_logend && (m_end == NULL)) { + qs_set_format(line); + m_end(m_sec, 1); + } + if(m_filter != NULL && qs_regexec_len(m_filter, line, line_len, 0, NULL, 0) >= 0) { + printf("%s\n", line); + fflush(stdout); + } else { + qs_write(line, line_size, sec, sec_len); + } + } + return; +} + +static int isSpecialLine(const char *line, const char *marker) { + char *se_marker = strstr(line, marker); + if(se_marker != NULL) { + /* QS_END/START + " " + SEQDIG */ + int sz = strlen(marker) + 1 + atoi(SEQDIG); + if(sz == (strlen(line) - (se_marker - line))) { + return 1; + } + } + return 0; +} + +static long qs_verify(const char *sec) { + int end_seen = 0; + int sec_len = strlen(sec); + long err = 0; // errors + long lineNumber = 0; // line number of the file / input data + char *line = calloc(1, MAX_LINE_BUFFER+1); + int line_size = MAX_LINE_BUFFER; + int line_len; + m_nr = -1; // expected sequence number (start with any) + long nr_alt = -1; // alternatively expected sequence number (if a line was injected) + long nr_alt_lineNumber = -1; + long nr_usr1_lineNumber = -1; // we may have lines written by a prev. qssign binary (while graceful restart) + while(fgets(line, line_size, stdin) != NULL) { + int valid = 0; + long msgSeqNr = 0; + int isOldProcess = 0; +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX hmac; + HMAC_CTX *hmac_p = &hmac; +#else + HMAC_CTX *hmac_p; +#endif + unsigned char data[HMAC_MAX_MD_CBLOCK]; + unsigned int len; + char *m; + int data_len; + char *sig; + char *seq; + line_len = strlen(line) - 1; + while(line_len > 0) { // cut tailing CR/LF + if(line[line_len] >= ' ') { + break; + } + line[line_len] = '\0'; + line_len--; + } + sig = strrchr(line, '#'); + seq = strrchr(line, ' '); + lineNumber++; + if(seq && sig) { + sig[0] = '\0'; + sig++; + /* verify hmac */ +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX_init(hmac_p); +#else + hmac_p = HMAC_CTX_new(); +#endif + HMAC_Init_ex(hmac_p, sec, sec_len, m_evp, NULL); + HMAC_Update(hmac_p, (const unsigned char *)line, strlen(line)); + HMAC_Final(hmac_p, data, &len); +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX_cleanup(hmac_p); +#else + HMAC_CTX_free(hmac_p); +#endif + m = calloc(1, apr_base64_encode_len(len) + 1); + data_len = apr_base64_encode(m, (char *)data, len); + m[data_len] = '\0'; + if(strcmp(m, sig) != 0) { + err++; + fprintf(stderr, "ERROR on line %ld: invalid signature\n", lineNumber); + /* message may be modified/corrupt or inserted: next line may have + the next sequence number (modified) or the same (inserted) */ + nr_alt = m_nr + 1; + nr_alt_lineNumber = lineNumber + 1; + } else { + valid = 1; + } + free(m); + /* verify sequence */ + seq++; + msgSeqNr = atol(seq); + if(msgSeqNr == 0) { + err++; + fprintf(stderr, "ERROR on line %ld: invalid sequence\n", lineNumber); + } else { + if(m_nr != -1) { + if(lineNumber == nr_alt_lineNumber) { + // last line was modified + if(m_nr != msgSeqNr) { + // and therefore, we also accept the next sequence number + m_nr = nr_alt; + } + nr_alt = -1; + nr_alt_lineNumber = -1; + } + if(valid && isSpecialLine(line, QS_START)) { + // new start line (graceful restart) + // we expect now msg number 1 + // but still acept the old until we get the end marker + nr_usr1_lineNumber = m_nr; + m_nr = 1; + } + if(valid && nr_usr1_lineNumber == msgSeqNr) { + // msg from old process is okay... + nr_usr1_lineNumber++; + isOldProcess = 1; + } else { + if(m_nr != msgSeqNr) { + if(msgSeqNr == 1) { + if(!end_seen) { + err++; + fprintf(stderr, "ERROR on line %ld: wrong sequence, server restart? (expect %."SEQDIG"ld)\n", + lineNumber, m_nr); + } + } else { + err++; + fprintf(stderr, "ERROR on line %ld: wrong sequence (expect %."SEQDIG"ld)\n", lineNumber, m_nr); + } + } else { + // well done - this is the sequence number we expect + } + } + } else if(m_logend) { + // log should (if not rotated) start with message 1 + if(msgSeqNr != 1) { + fprintf(stderr, "NOTICE: log starts with sequence %."SEQDIG"ld, log rotation?" + " (expect %."SEQDIG"d)\n", msgSeqNr, 1); + } + } + if(valid && !isOldProcess) { + // adjust + m_nr = msgSeqNr; + } + } + } else { + err++; + fprintf(stderr, "ERROR on line %ld: missing signature/sequence\n", lineNumber); + } + end_seen = 0; + if(valid) { + if(!isOldProcess) { + m_nr++; + } + if(isSpecialLine(line, QS_END)) { + if(nr_usr1_lineNumber == -1) { + end_seen = 1; + } else { + nr_usr1_lineNumber = -1; // no more messages from an old process + } + } + } + } + if(m_logend && !end_seen) { + fprintf(stderr, "NOTICE: no end marker seen, log rotation? (expect %."SEQDIG"ld)\n", m_nr); + } + return err; +} + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - an utility to sign and verify the integrity of log data.\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -s|S <secret> [-e] [-v] [-u <name>] [-f <regex>] [-a 'sha1'|'sha256']\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, "%s is a log data integrity check tool. It reads log data\n", cmd); + qs_man_print(man, "from stdin (pipe) and writes the data to stdout adding a sequence\n"); + qs_man_print(man, "number and signature to ever log line.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -s <secret>\n"); + if(man) printf("\n"); + qs_man_print(man, " Passphrase used to calculate signature.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -S <program>\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies a program which writes the passphrase to stdout.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -e\n"); + if(man) printf("\n"); + qs_man_print(man, " Writes start/end marker when starting/stopping data signing.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -v\n"); + if(man) printf("\n"); + qs_man_print(man, " Verification mode checking the integrity of signed data.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -u <name>\n"); + if(man) printf("\n"); + qs_man_print(man, " Becomes another user, e.g. www-data.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -f <regex>\n"); + if(man) printf("\n"); + qs_man_print(man, " Filter pattern (case sensitive regular expression) for messages\n"); + qs_man_print(man, " which do not need to be signed.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -a 'sha1'|'sha256'\n"); + if(man) printf("\n"); + qs_man_print(man, " Specifies the algorithm to use. Default is sha1.\n"); + printf("\n"); + if(man) { + printf(".SH EXAMPLE\n"); + printf("Sign:\n"); + printf("\n"); + } else { + printf("Example (sign):\n"); + } + qs_man_println(man, " TransferLog \"|/usr/bin/%s -s password -e |/usr/bin/qsrotate -o /var/log/apache/access.log\"\n", cmd); + printf("\n"); + if(man) { + printf("\n"); + printf("Verify:\n"); + printf("\n"); + } else { + qs_man_print(man, "Example (verify):\n"); + } + qs_man_println(man, " cat access.log | %s -s password -v\n", cmd); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qstail(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +int main(int argc, const char * const argv[]) { + apr_pool_t *pool; + int verify = 0; + char *cmd = strrchr(argv[0], '/'); + const char *username = NULL; + const char *filter = NULL; + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + apr_app_initialize(&argc, &argv, NULL); + apr_pool_create(&pool, NULL); + m_evp = EVP_sha1(); + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-s") == 0) { + if (--argc >= 1) { + m_sec = *(++argv); + } + } else if(strcmp(*argv,"-S") == 0) { + if (--argc >= 1) { + m_sec = qs_readpwd(pool, *(++argv)); + } + } else if(strcmp(*argv,"-v") == 0) { + verify = 1; + } else if(strcmp(*argv,"-e") == 0) { + m_logend = 1; + } else if(strcmp(*argv,"-u") == 0) { /* switch user id */ + if (--argc >= 1) { + username = *(++argv); + } + } else if(strcmp(*argv,"-f") == 0) { /* filter */ + if (--argc >= 1) { + filter = *(++argv); + } + } else if(strcmp(*argv,"-a") == 0) { /* set alg */ + if (--argc >= 1) { + const char *alg = *(++argv); + if(strcasecmp(alg, "SHA256") == 0) { + m_evp = EVP_sha256(); + } else if(strcasecmp(alg, "SHA1") != 0) { + m_evp = NULL; + } + } else { + m_evp = NULL; + } + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } + argc--; + argv++; + } + + if(filter != NULL) { + m_filter = apr_palloc(pool, sizeof(qs_regex_t)); + if(qs_regcomp(m_filter, filter, 0) != 0) { + fprintf(stderr, "failed to compile filter pattern <%s>\n", filter); + exit(1); + } + apr_pool_pre_cleanup_register(pool, m_filter, qs_pregfree); + } + + if(m_evp == NULL) { + usage(cmd, 0); + } + + if(m_sec == NULL) { + usage(cmd, 0); + } + + qs_setuid(username, cmd); + + if(verify) { + long err = qs_verify(m_sec); + if(err != 0) { + return 1; + } + } else { + if(m_logend) { + signal(SIGTERM, qs_signal_exit); + } + qs_sign(m_sec); + if(m_logend && (m_end != NULL)) { + m_end(m_sec, 0); + } + } + + apr_pool_destroy(pool); + return 0; +} diff --git a/tools/src/qstail.c b/tools/src/qstail.c new file mode 100644 index 0000000..3d535e2 --- /dev/null +++ b/tools/src/qstail.c @@ -0,0 +1,237 @@ +/* -*-mode: c; indent-tabs-mode: nil; c-basic-offset: 2; -*- + */ +/** + * Utilities for the quality of service module mod_qos. + * + * qstail.c: Shows the end of a log file beginning at the + * provided pattern. + * + * See http://mod-qos.sourceforge.net/ for further + * details. + * + * Copyright (C) 2023 Pascal Buchbinder + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +static const char revision[] = "$Id: qstail.c 2654 2022-05-13 09:12:42Z pbuchbinder $"; + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <signal.h> + +#include "qs_util.h" + +#define BUFFER 2048 + +static void usage(char *cmd, int man) { + if(man) { + //.TH [name of program] [section number] [center footer] [left footer] [center header] + printf(".TH %s 1 \"%s\" \"mod_qos utilities %s\" \"%s man page\"\n", qs_CMD(cmd), man_date, + man_version, cmd); + } + printf("\n"); + if(man) { + printf(".SH NAME\n"); + } + qs_man_print(man, "%s - an utility printing the end of a log file" + " starting at the specified pattern.\n", cmd); + printf("\n"); + if(man) { + printf(".SH SYNOPSIS\n"); + } + qs_man_print(man, "%s%s -i <path> -p <pattern>\n", man ? "" : "Usage: ", cmd); + printf("\n"); + if(man) { + printf(".SH DESCRIPTION\n"); + } else { + printf("Summary\n"); + } + qs_man_print(man, " %s shows the end of a log file beginning with the line containing the\n", cmd); + qs_man_print(man, " specified pattern. This may be used to show all lines which has been written\n"); + qs_man_print(man, " after a certain event (e.g., server restart) or time stamp.\n"); + printf("\n"); + if(man) { + printf(".SH OPTIONS\n"); + } else { + printf("Options\n"); + } + if(man) printf(".TP\n"); + qs_man_print(man, " -i <path>\n"); + if(man) printf("\n"); + qs_man_print(man, " Input file to read the data from.\n"); + if(man) printf("\n.TP\n"); + qs_man_print(man, " -p <pattern>\n"); + if(man) printf("\n"); + qs_man_print(man, " Search pattern (literal string).\n"); + printf("\n"); + if(man) { + printf(".SH SEE ALSO\n"); + printf("qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qssign(1)\n"); + printf(".SH AUTHOR\n"); + printf("Pascal Buchbinder, http://mod-qos.sourceforge.net/\n"); + } else { + printf("See http://mod-qos.sourceforge.net/ for further details.\n"); + } + if(man) { + exit(0); + } else { + exit(1); + } +} + +/* search the beginning of the line starting at the provided position */ +static void qs_readline(long pos, FILE *f) { + size_t len; + long startpos = pos - BUFFER + 1; + long readlen = BUFFER; + char line[readlen + 1]; + if(startpos < 0) { + // we are at the beginning of the file + startpos = 0; + readlen = pos + 1; + } + fseek(f, startpos, SEEK_SET); + len = fread(&line, 1, readlen, f); + if(len > 0) { + char *s = &line[len-1]; + line[len] = '\0'; + while((s >= line) && (s[0] != CR) && (s[0] != LF)) { + s--; + } + if((s[0] == CR) || (s[0] == LF)) { + s++; + } + printf("%s", s); + } +} + +static int qs_tail(const char *cmd, FILE *f, const char *pattern) { + char *cont = NULL; + long search_win_len = (strlen(pattern) * 2) + 32; + char line[search_win_len + 10]; + long pos = 0; + size_t len; + char *startpattern = NULL; + fseek(f, 0L, SEEK_END); + pos = ftell(f); + while(pos > search_win_len) { + int offset = 0; + pos = pos - (search_win_len/2); + fseek(f, pos, SEEK_SET); + len = fread(&line, 1, search_win_len, f); + if(len <= 0) { + /* pattern not found / reached end */ + return 1; + } + line[len] = '\0'; + if((startpattern = strstr(line, pattern)) != NULL) { + int containsend = 0; + char *s = startpattern; + char *end; + offset = startpattern - line; + /* search the beginning of the line */ + while((s > line) && (s[0] != CR) && (s[0] != LF)) { + s--; + } + if((s[0] != CR) && (s[0] != LF)) { + // beginning of the line not in the buffer + qs_readline(pos, f); + } + s++; + end = startpattern; + /* search the end of the line */ + while((offset < search_win_len) && end[0] && end[0] != CR && end[0] != LF) { + end++; + offset++; + } + /* print the line containing the pattern */ + if((end[0] == CR) || (end[0] == LF)) { + end[0] = '\0'; + printf("%s\n", s); + containsend = 1; + } else { + printf("%s", s); + } + fseek(f, pos + offset, SEEK_SET); + if(containsend) { + // skip the line at the current position + cont = fgets(line, sizeof(line), f); + } else { + cont = line; + } + if(cont) { + while(fgets(line, sizeof(line), f) != NULL) { + printf("%s", line); + } + } + return 0; + } + } + return 1; +} + +int main(int argc, const char * const argv[]) { + FILE *f; + const char *filename = NULL; + const char *pattern = NULL; + char *cmd = strrchr(argv[0], '/'); + int status = 0; + if(cmd == NULL) { + cmd = (char *)argv[0]; + } else { + cmd++; + } + + argc--; + argv++; + while(argc >= 1) { + if(strcmp(*argv,"-i") == 0) { + if (--argc >= 1) { + filename = *(++argv); + } + } else if(strcmp(*argv,"-p") == 0) { + if (--argc >= 1) { + pattern = *(++argv); + } + } else if(strcmp(*argv,"-?") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"-help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--help") == 0) { + usage(cmd, 0); + } else if(strcmp(*argv,"--man") == 0) { + usage(cmd, 1); + } + argc--; + argv++; + } + + if(filename == NULL || pattern == NULL) { + usage(cmd, 0); + } + if((f = fopen(filename, "r")) == NULL) { + fprintf(stderr, "[%s]: ERROR, could not open file '%s'\n", cmd, filename); + exit(1); + } + + status = qs_tail(cmd, f, pattern); + + fclose(f); + return status; +} |