diff options
Diffstat (limited to '')
| -rw-r--r-- | src/modules/rlm_rest/.gitignore | 1 | ||||
| -rw-r--r-- | src/modules/rlm_rest/all.mk.in | 14 | ||||
| -rw-r--r-- | src/modules/rlm_rest/config.h.in | 85 | ||||
| -rwxr-xr-x | src/modules/rlm_rest/configure | 5255 | ||||
| -rw-r--r-- | src/modules/rlm_rest/configure.ac | 173 | ||||
| -rwxr-xr-x | src/modules/rlm_rest/demo.pl | 59 | ||||
| -rw-r--r-- | src/modules/rlm_rest/rest.c | 2682 | ||||
| -rw-r--r-- | src/modules/rlm_rest/rest.h | 323 | ||||
| -rw-r--r-- | src/modules/rlm_rest/rlm_rest.c | 1003 |
9 files changed, 9595 insertions, 0 deletions
diff --git a/src/modules/rlm_rest/.gitignore b/src/modules/rlm_rest/.gitignore new file mode 100644 index 0000000..01a5daa --- /dev/null +++ b/src/modules/rlm_rest/.gitignore @@ -0,0 +1 @@ +all.mk diff --git a/src/modules/rlm_rest/all.mk.in b/src/modules/rlm_rest/all.mk.in new file mode 100644 index 0000000..89f0390 --- /dev/null +++ b/src/modules/rlm_rest/all.mk.in @@ -0,0 +1,14 @@ +TARGETNAME := @targetname@ + +ifneq "$(TARGETNAME)" "" +TARGET := $(TARGETNAME).a +endif + +SOURCES := $(TARGETNAME).c rest.c + +SRC_CFLAGS := @mod_cflags@ +TGT_LDLIBS := @mod_ldflags@ + + + + diff --git a/src/modules/rlm_rest/config.h.in b/src/modules/rlm_rest/config.h.in new file mode 100644 index 0000000..b46972a --- /dev/null +++ b/src/modules/rlm_rest/config.h.in @@ -0,0 +1,85 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Build with JSON support from json-c */ +#undef HAVE_JSON + +/* json.h is at json-c/json.h relative to include dir */ +#undef HAVE_JSONMC_JSON_H + +/* Define to 1 if you have the `json_c_version' function. */ +#undef HAVE_JSON_C_VERSION + +/* json.h is at json/json.h relative to include dir */ +#undef HAVE_JSON_JSON_H + +/* Define to 1 if you have the `json_type_to_name' function. */ +#undef HAVE_JSON_TYPE_TO_NAME + +/* Define to 1 if you have a functional curl library. */ +#undef HAVE_LIBCURL + +/* Defined if libcurl supports AsynchDNS */ +#undef LIBCURL_FEATURE_ASYNCHDNS + +/* Defined if libcurl supports IDN */ +#undef LIBCURL_FEATURE_IDN + +/* Defined if libcurl supports IPv6 */ +#undef LIBCURL_FEATURE_IPV6 + +/* Defined if libcurl supports KRB4 */ +#undef LIBCURL_FEATURE_KRB4 + +/* Defined if libcurl supports libz */ +#undef LIBCURL_FEATURE_LIBZ + +/* Defined if libcurl supports NTLM */ +#undef LIBCURL_FEATURE_NTLM + +/* Defined if libcurl supports SSL */ +#undef LIBCURL_FEATURE_SSL + +/* Defined if libcurl supports SSPI */ +#undef LIBCURL_FEATURE_SSPI + +/* Defined if libcurl supports DICT */ +#undef LIBCURL_PROTOCOL_DICT + +/* Defined if libcurl supports FILE */ +#undef LIBCURL_PROTOCOL_FILE + +/* Defined if libcurl supports FTP */ +#undef LIBCURL_PROTOCOL_FTP + +/* Defined if libcurl supports FTPS */ +#undef LIBCURL_PROTOCOL_FTPS + +/* Defined if libcurl supports HTTP */ +#undef LIBCURL_PROTOCOL_HTTP + +/* Defined if libcurl supports HTTPS */ +#undef LIBCURL_PROTOCOL_HTTPS + +/* Defined if libcurl supports IMAP */ +#undef LIBCURL_PROTOCOL_IMAP + +/* Defined if libcurl supports LDAP */ +#undef LIBCURL_PROTOCOL_LDAP + +/* Defined if libcurl supports POP3 */ +#undef LIBCURL_PROTOCOL_POP3 + +/* Defined if libcurl supports RTSP */ +#undef LIBCURL_PROTOCOL_RTSP + +/* Defined if libcurl supports SMTP */ +#undef LIBCURL_PROTOCOL_SMTP + +/* Defined if libcurl supports TELNET */ +#undef LIBCURL_PROTOCOL_TELNET + +/* Defined if libcurl supports TFTP */ +#undef LIBCURL_PROTOCOL_TFTP + +/* Define curl_free() as free() if our version of curl lacks curl_free. */ +#undef curl_free diff --git a/src/modules/rlm_rest/configure b/src/modules/rlm_rest/configure new file mode 100755 index 0000000..206d190 --- /dev/null +++ b/src/modules/rlm_rest/configure @@ -0,0 +1,5255 @@ +#! /bin/sh +# From configure.ac Revision. +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69. +# +# +# 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" + 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 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. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$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'"' || { + # Blame Lee E. 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We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Save into config.log some information that might help in debugging. + { + echo + + $as_echo "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + $as_echo "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + $as_echo "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + $as_echo "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + $as_echo "$as_me: caught signal $ac_signal" + $as_echo "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +$as_echo "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_NAME "$PACKAGE_NAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_TARNAME "$PACKAGE_TARNAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_VERSION "$PACKAGE_VERSION" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_STRING "$PACKAGE_STRING" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_URL "$PACKAGE_URL" +_ACEOF + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +ac_site_file1=NONE +ac_site_file2=NONE +if test -n "$CONFIG_SITE"; then + # We do not want a PATH search for config.site. + case $CONFIG_SITE in #(( + -*) ac_site_file1=./$CONFIG_SITE;; + */*) ac_site_file1=$CONFIG_SITE;; + *) ac_site_file1=./$CONFIG_SITE;; + esac +elif test "x$prefix" != xNONE; then + ac_site_file1=$prefix/share/config.site + ac_site_file2=$prefix/etc/config.site +else + ac_site_file1=$ac_default_prefix/share/config.site + ac_site_file2=$ac_default_prefix/etc/config.site +fi +for ac_site_file in "$ac_site_file1" "$ac_site_file2" +do + test "x$ac_site_file" = xNONE && continue + if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +$as_echo "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +$as_echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +$as_echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +$as_echo "$as_me: former value: \`$ac_old_val'" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +$as_echo "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +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 + + + + + + + +# Check whether --with-rlm_rest was given. +if test "${with_rlm_rest+set}" = set; then : + withval=$with_rlm_rest; +fi + + +ac_config_headers="$ac_config_headers config.h" + + +if test x$with_rlm_rest != xno; then + + 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 $? 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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 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$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 $? 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Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +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 + + 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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +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 $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$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 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# Check whether --with-libcurl was given. +if test "${with_libcurl+set}" = set; then : + withval=$with_libcurl; _libcurl_with=$withval +else + _libcurl_with=yes +fi + + + if test "$_libcurl_with" != "no" ; then + + 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 + + + _libcurl_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[1]+256*A[2]+A[3]; print X;}'" + + _libcurl_try_link=yes + + if test -d "$_libcurl_with" ; then + LIBCURL_CPPFLAGS="-I$withval/include" + _libcurl_ldflags="-L$withval/lib" + # Extract the first word of "curl-config", so it can be a program name with args. +set dummy curl-config; 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_path__libcurl_config+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $_libcurl_config in + [\\/]* | ?:[\\/]*) + ac_cv_path__libcurl_config="$_libcurl_config" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in "$withval/bin" +do + IFS=$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_path__libcurl_config="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +_libcurl_config=$ac_cv_path__libcurl_config +if test -n "$_libcurl_config"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_libcurl_config" >&5 +$as_echo "$_libcurl_config" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + # Extract the first word of "curl-config", so it can be a program name with args. +set dummy curl-config; 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_path__libcurl_config+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $_libcurl_config in + [\\/]* | ?:[\\/]*) + ac_cv_path__libcurl_config="$_libcurl_config" # Let the user override the test with a path. + ;; + *) + 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_path__libcurl_config="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +_libcurl_config=$ac_cv_path__libcurl_config +if test -n "$_libcurl_config"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $_libcurl_config" >&5 +$as_echo "$_libcurl_config" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi + + if test x$_libcurl_config != "x" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the version of libcurl" >&5 +$as_echo_n "checking for the version of libcurl... " >&6; } +if ${libcurl_cv_lib_curl_version+:} false; then : + $as_echo_n "(cached) " >&6 +else + libcurl_cv_lib_curl_version=`$_libcurl_config --version | $AWK '{print $2}'` +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libcurl_cv_lib_curl_version" >&5 +$as_echo "$libcurl_cv_lib_curl_version" >&6; } + + _libcurl_version=`echo $libcurl_cv_lib_curl_version | $_libcurl_version_parse` + _libcurl_wanted=`echo 7.19.1 | $_libcurl_version_parse` + + if test $_libcurl_wanted -gt 0 ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcurl >= version 7.19.1" >&5 +$as_echo_n "checking for libcurl >= version 7.19.1... " >&6; } +if ${libcurl_cv_lib_version_ok+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test $_libcurl_version -ge $_libcurl_wanted ; then + libcurl_cv_lib_version_ok=yes + else + libcurl_cv_lib_version_ok=no + fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libcurl_cv_lib_version_ok" >&5 +$as_echo "$libcurl_cv_lib_version_ok" >&6; } + fi + + if test $_libcurl_wanted -eq 0 || test x$libcurl_cv_lib_version_ok = xyes ; then + if test x"$LIBCURL_CPPFLAGS" = "x" ; then + LIBCURL_CPPFLAGS=`$_libcurl_config --cflags` + fi + if test x"$LIBCURL" = "x" ; then + LIBCURL=`$_libcurl_config --libs` + + # This is so silly, but Apple actually has a bug in their + # curl-config script. Fixed in Tiger, but there are still + # lots of Panther installs around. + case "${host}" in + powerpc-apple-darwin7*) + LIBCURL=`echo $LIBCURL | sed -e 's|-arch i386||g'` + ;; + esac + fi + + # All curl-config scripts support --feature + _libcurl_features=`$_libcurl_config --feature` + + # Is it modern enough to have --protocols? (7.12.4) + if test $_libcurl_version -ge 461828 ; then + _libcurl_protocols=`$_libcurl_config --protocols` + fi + else + _libcurl_try_link=no + fi + + unset _libcurl_wanted + fi + + if test $_libcurl_try_link = yes ; then + + # we didn't find curl-config, so let's see if the user-supplied + # link line (or failing that, "-lcurl") is enough. + LIBCURL=${LIBCURL-"$_libcurl_ldflags -lcurl"} + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether libcurl is usable" >&5 +$as_echo_n "checking whether libcurl is usable... " >&6; } +if ${libcurl_cv_lib_curl_usable+:} false; then : + $as_echo_n "(cached) " >&6 +else + + _libcurl_save_cppflags=$CPPFLAGS + CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS" + _libcurl_save_libs=$LIBS + LIBS="$LIBCURL $LIBS" + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <curl/curl.h> +int +main () +{ + +/* Try and use a few common options to force a failure if we are + missing symbols or can't link. */ +int x; +curl_easy_setopt(NULL,CURLOPT_URL,NULL); +x=CURL_ERROR_SIZE; +x=CURLOPT_WRITEFUNCTION; +x=CURLOPT_FILE; +x=CURLOPT_ERRORBUFFER; +x=CURLOPT_STDERR; +x=CURLOPT_VERBOSE; +if (x) ; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + libcurl_cv_lib_curl_usable=yes +else + libcurl_cv_lib_curl_usable=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + CPPFLAGS=$_libcurl_save_cppflags + LIBS=$_libcurl_save_libs + unset _libcurl_save_cppflags + unset _libcurl_save_libs + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libcurl_cv_lib_curl_usable" >&5 +$as_echo "$libcurl_cv_lib_curl_usable" >&6; } + + if test $libcurl_cv_lib_curl_usable = yes ; then + + # Does curl_free() exist in this version of libcurl? + # If not, fake it with free() + + _libcurl_save_cppflags=$CPPFLAGS + CPPFLAGS="$CPPFLAGS $LIBCURL_CPPFLAGS" + _libcurl_save_libs=$LIBS + LIBS="$LIBS $LIBCURL" + + ac_fn_c_check_func "$LINENO" "curl_free" "ac_cv_func_curl_free" +if test "x$ac_cv_func_curl_free" = xyes; then : + +else + +$as_echo "#define curl_free free" >>confdefs.h + +fi + + + CPPFLAGS=$_libcurl_save_cppflags + LIBS=$_libcurl_save_libs + unset _libcurl_save_cppflags + unset _libcurl_save_libs + + +$as_echo "#define HAVE_LIBCURL 1" >>confdefs.h + + + + + for _libcurl_feature in $_libcurl_features ; do + cat >>confdefs.h <<_ACEOF +#define `$as_echo "libcurl_feature_$_libcurl_feature" | $as_tr_cpp` 1 +_ACEOF + + eval `$as_echo "libcurl_feature_$_libcurl_feature" | $as_tr_sh`=yes + done + + if test "x$_libcurl_protocols" = "x" ; then + + # We don't have --protocols, so just assume that all + # protocols are available + _libcurl_protocols="HTTP FTP FILE TELNET LDAP DICT TFTP" + + if test x$libcurl_feature_SSL = xyes ; then + _libcurl_protocols="$_libcurl_protocols HTTPS" + + # FTPS wasn't standards-compliant until version + # 7.11.0 (0x070b00 == 461568) + if test $_libcurl_version -ge 461568; then + _libcurl_protocols="$_libcurl_protocols FTPS" + fi + fi + + # RTSP, IMAP, POP3 and SMTP were added in + # 7.20.0 (0x071400 == 463872) + if test $_libcurl_version -ge 463872; then + _libcurl_protocols="$_libcurl_protocols RTSP IMAP POP3 SMTP" + fi + fi + + for _libcurl_protocol in $_libcurl_protocols ; do + cat >>confdefs.h <<_ACEOF +#define `$as_echo "libcurl_protocol_$_libcurl_protocol" | $as_tr_cpp` 1 +_ACEOF + + eval `$as_echo "libcurl_protocol_$_libcurl_protocol" | $as_tr_sh`=yes + done + else + unset LIBCURL + unset LIBCURL_CPPFLAGS + fi + fi + + unset _libcurl_try_link + unset _libcurl_version_parse + unset _libcurl_config + unset _libcurl_feature + unset _libcurl_features + unset _libcurl_protocol + unset _libcurl_protocols + unset _libcurl_version + unset _libcurl_ldflags + fi + + if test x$_libcurl_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then + # This is the IF-NO path + : + else + # This is the IF-YES path + : + fi + + unset _libcurl_with + + + if test "x$libcurl_cv_lib_version_ok" != "xyes"; then + fail="$fail libcurl >= 7.19.2" + elif test "x$libcurl_cv_lib_curl_usable" != "xyes"; then + fail="$fail libcurl" + else + if test x$libcurl_protocol_HTTP != xyes; then + fail="$fail libcurl_protocol_http" + fi + + if test x$libcurl_protocol_HTTPS != xyes || test x$libcurl_feature_SSL != xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: silently building without HTTPS support. requires: libcurl_protocol_https." >&5 +$as_echo "$as_me: WARNING: silently building without HTTPS support. requires: libcurl_protocol_https." >&2;} + else + { $as_echo "$as_me:${as_lineno-$LINENO}: curl-config's cflags were \"${LIBCURL_CPPFLAGS}\"" >&5 +$as_echo "$as_me: curl-config's cflags were \"${LIBCURL_CPPFLAGS}\"" >&6;} + LIBCURL_CPPFLAGS=$(echo "$LIBCURL_CPPFLAGS" | sed 's/-I */-isystem /g') + { $as_echo "$as_me:${as_lineno-$LINENO}: Sanitized cflags are \"$(echo "${LIBCURL_CPPFLAGS}" | sed 's/-I */-isystem /g')\"" >&5 +$as_echo "$as_me: Sanitized cflags are \"$(echo "${LIBCURL_CPPFLAGS}" | sed 's/-I */-isystem /g')\"" >&6;} + fi + fi + + + jsonc_include_dir= + +# Check whether --with-jsonc-include-dir was given. +if test "${with_jsonc_include_dir+set}" = set; then : + withval=$with_jsonc_include_dir; case "$withval" in + no) + as_fn_error $? "Need jsonc-include-dir" "$LINENO" 5 + ;; + yes) + ;; + *) + jsonc_include_dir="$withval" + ;; + esac +fi + + + jsonc_lib_dir= + +# Check whether --with-jsonc-lib-dir was given. +if test "${with_jsonc_lib_dir+set}" = set; then : + withval=$with_jsonc_lib_dir; case "$withval" in + no) + as_fn_error $? "Need jsonc-lib-dir" "$LINENO" 5 + ;; + yes) + ;; + *) + jsonc_lib_dir="$withval" + ;; + esac +fi + + + +# Check whether --with-jsonc-dir was given. +if test "${with_jsonc_dir+set}" = set; then : + withval=$with_jsonc_dir; case "$withval" in + no) + as_fn_error $? "Need json-c-dir" "$LINENO" 5 + ;; + yes) + ;; + *) + jsonc_lib_dir="$withval/lib" + jsonc_include_dir="$withval/include" + ;; + esac +fi + + + + + have_json="yes" + smart_try_dir="$jsonc_include_dir" + + +ac_safe=`echo "json/json.h" | sed 'y%./+-%__pm%'` +old_CPPFLAGS="$CPPFLAGS" +smart_include= +smart_include_dir="/usr/local/include /opt/include" + +_smart_try_dir= +_smart_include_dir= + +for _prefix in $smart_prefix ""; do + for _dir in $smart_try_dir; do + _smart_try_dir="${_smart_try_dir} ${_dir}/${_prefix}" + done + + for _dir in $smart_include_dir; do + _smart_include_dir="${_smart_include_dir} ${_dir}/${_prefix}" + done +done + +if test "x$_smart_try_dir" != "x"; then + for try in $_smart_try_dir; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json/json.h in $try" >&5 +$as_echo_n "checking for json/json.h in $try... " >&6; } + CPPFLAGS="-isystem $try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include="-isystem $try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_include" = "x"; then + for _prefix in $smart_prefix; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${_prefix}/json/json.h" >&5 +$as_echo_n "checking for ${_prefix}/json/json.h... " >&6; } + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include="-isystem ${_prefix}/" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +fi + +if test "x$smart_include" = "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json/json.h" >&5 +$as_echo_n "checking for json/json.h... " >&6; } + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include=" " + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +if test "x$smart_include" = "x"; then + + for try in $_smart_include_dir; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json/json.h in $try" >&5 +$as_echo_n "checking for json/json.h in $try... " >&6; } + CPPFLAGS="-isystem $try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include="-isystem $try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_include" != "x"; then + eval "ac_cv_header_$ac_safe=yes" + CPPFLAGS="$smart_include $old_CPPFLAGS" + SMART_CPPFLAGS="$smart_include $SMART_CPPFLAGS" +fi + +smart_prefix= + + if test "x$ac_cv_header_json_json_h" != "xyes"; then + + +ac_safe=`echo "json-c/json.h" | sed 'y%./+-%__pm%'` +old_CPPFLAGS="$CPPFLAGS" +smart_include= +smart_include_dir="/usr/local/include /opt/include" + +_smart_try_dir= +_smart_include_dir= + +for _prefix in $smart_prefix ""; do + for _dir in $smart_try_dir; do + _smart_try_dir="${_smart_try_dir} ${_dir}/${_prefix}" + done + + for _dir in $smart_include_dir; do + _smart_include_dir="${_smart_include_dir} ${_dir}/${_prefix}" + done +done + +if test "x$_smart_try_dir" != "x"; then + for try in $_smart_try_dir; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json-c/json.h in $try" >&5 +$as_echo_n "checking for json-c/json.h in $try... " >&6; } + CPPFLAGS="-isystem $try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json-c/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include="-isystem $try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_include" = "x"; then + for _prefix in $smart_prefix; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${_prefix}/json-c/json.h" >&5 +$as_echo_n "checking for ${_prefix}/json-c/json.h... " >&6; } + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json-c/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include="-isystem ${_prefix}/" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +fi + +if test "x$smart_include" = "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json-c/json.h" >&5 +$as_echo_n "checking for json-c/json.h... " >&6; } + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json-c/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include=" " + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +if test "x$smart_include" = "x"; then + + for try in $_smart_include_dir; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json-c/json.h in $try" >&5 +$as_echo_n "checking for json-c/json.h in $try... " >&6; } + CPPFLAGS="-isystem $try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <json-c/json.h> +int +main () +{ +int a = 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + smart_include="-isystem $try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + + smart_include= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_include" != "x"; then + eval "ac_cv_header_$ac_safe=yes" + CPPFLAGS="$smart_include $old_CPPFLAGS" + SMART_CPPFLAGS="$smart_include $SMART_CPPFLAGS" +fi + +smart_prefix= + + if test "x$ac_cv_header_jsonmc_json_h" != "xyes"; then + have_json="no" + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: json-c headers not found. Use --with-jsonc-include-dir=<path>." >&5 +$as_echo "$as_me: WARNING: json-c headers not found. Use --with-jsonc-include-dir=<path>." >&2;} + fail="$fail json.h" + else + +$as_echo "#define HAVE_JSONMC_JSON_H 1" >>confdefs.h + + fi + else + +$as_echo "#define HAVE_JSON_JSON_H 1" >>confdefs.h + + fi + + + smart_try_dir="$jsonc_lib_dir" + + +sm_lib_safe=`echo "json-c" | sed 'y%./+-%__p_%'` +sm_func_safe=`echo "json_c_version" | sed 'y%./+-%__p_%'` + +old_LIBS="$LIBS" +old_CPPFLAGS="$CPPFLAGS" +smart_lib= +smart_ldflags= +smart_lib_dir= + +if test "x$smart_try_dir" != "x"; then + for try in $smart_try_dir; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_c_version in -ljson-c in $try" >&5 +$as_echo_n "checking for json_c_version in -ljson-c in $try... " >&6; } + LIBS="-ljson-c $old_LIBS" + CPPFLAGS="-L$try -Wl,-rpath,$try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +extern char json_c_version(); +int +main () +{ +json_c_version() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + smart_lib="-ljson-c" + smart_ldflags="-L$try -Wl,-rpath,$try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + LIBS="$old_LIBS" + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_lib" = "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_c_version in -ljson-c" >&5 +$as_echo_n "checking for json_c_version in -ljson-c... " >&6; } + LIBS="-ljson-c $old_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +extern char json_c_version(); +int +main () +{ +json_c_version() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + smart_lib="-ljson-c" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$old_LIBS" +fi + +if test "x$smart_lib" = "x"; then + for try in /usr/local/lib /opt/lib; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_c_version in -ljson-c in $try" >&5 +$as_echo_n "checking for json_c_version in -ljson-c in $try... " >&6; } + LIBS="-ljson-c $old_LIBS" + CPPFLAGS="-L$try -Wl,-rpath,$try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +extern char json_c_version(); +int +main () +{ +json_c_version() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + smart_lib="-ljson-c" + smart_ldflags="-L$try -Wl,-rpath,$try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + LIBS="$old_LIBS" + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_lib" != "x"; then + eval "ac_cv_lib_${sm_lib_safe}_${sm_func_safe}=yes" + LIBS="$smart_ldflags $smart_lib $old_LIBS" + SMART_LIBS="$smart_ldflags $smart_lib $SMART_LIBS" +fi + + if test "x$ac_cv_lib_json_c_json_c_version" != "xyes" + then + + +sm_lib_safe=`echo "json" | sed 'y%./+-%__p_%'` +sm_func_safe=`echo "json_tokener_new" | sed 'y%./+-%__p_%'` + +old_LIBS="$LIBS" +old_CPPFLAGS="$CPPFLAGS" +smart_lib= +smart_ldflags= +smart_lib_dir= + +if test "x$smart_try_dir" != "x"; then + for try in $smart_try_dir; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_tokener_new in -ljson in $try" >&5 +$as_echo_n "checking for json_tokener_new in -ljson in $try... " >&6; } + LIBS="-ljson $old_LIBS" + CPPFLAGS="-L$try -Wl,-rpath,$try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +extern char json_tokener_new(); +int +main () +{ +json_tokener_new() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + smart_lib="-ljson" + smart_ldflags="-L$try -Wl,-rpath,$try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + LIBS="$old_LIBS" + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_lib" = "x"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_tokener_new in -ljson" >&5 +$as_echo_n "checking for json_tokener_new in -ljson... " >&6; } + LIBS="-ljson $old_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +extern char json_tokener_new(); +int +main () +{ +json_tokener_new() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + smart_lib="-ljson" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$old_LIBS" +fi + +if test "x$smart_lib" = "x"; then + for try in /usr/local/lib /opt/lib; do + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for json_tokener_new in -ljson in $try" >&5 +$as_echo_n "checking for json_tokener_new in -ljson in $try... " >&6; } + LIBS="-ljson $old_LIBS" + CPPFLAGS="-L$try -Wl,-rpath,$try $old_CPPFLAGS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +extern char json_tokener_new(); +int +main () +{ +json_tokener_new() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + smart_lib="-ljson" + smart_ldflags="-L$try -Wl,-rpath,$try" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + break + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + LIBS="$old_LIBS" + CPPFLAGS="$old_CPPFLAGS" +fi + +if test "x$smart_lib" != "x"; then + eval "ac_cv_lib_${sm_lib_safe}_${sm_func_safe}=yes" + LIBS="$smart_ldflags $smart_lib $old_LIBS" + SMART_LIBS="$smart_ldflags $smart_lib $SMART_LIBS" +fi + + if test "x$ac_cv_lib_json_json_tokener_new" != "xyes" + then + have_json="no" + fi + fi + + if test "x$have_json" = "xyes"; then + LDFLAGS="$SMART_LIBS" + + for ac_func in \ + json_c_version \ + json_type_to_name + +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" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + +$as_echo "#define HAVE_JSON 1" >>confdefs.h + + else + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: json-c libraries not found. Use --with-jsonc-lib-dir=<path>." >&5 +$as_echo "$as_me: WARNING: json-c libraries not found. Use --with-jsonc-lib-dir=<path>." >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: silently building without JSON support. requires: json-c" >&5 +$as_echo "$as_me: WARNING: silently building without JSON support. requires: json-c" >&2;} + fi + + targetname=rlm_rest +else + targetname= + echo \*\*\* module rlm_rest is disabled. +fi + +if test x"$fail" != x""; then + if test x"${enable_strict_dependencies}" = x"yes"; then + as_fn_error $? "set --without-rlm_rest to disable it explicitly." "$LINENO" 5 + else + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: silently not building rlm_rest." >&5 +$as_echo "$as_me: WARNING: silently not building rlm_rest." >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: FAILURE: rlm_rest requires: $fail." >&5 +$as_echo "$as_me: WARNING: FAILURE: rlm_rest requires: $fail." >&2;}; + targetname="" + fi +fi + +mod_ldflags="$LIBCURL $SMART_LIBS" +mod_cflags="$LIBCURL_CPPFLAGS $SMART_CPPFLAGS" + + + + + +ac_config_files="$ac_config_files all.mk" + +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. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${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 + + +# 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. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# 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_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# 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 + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# 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 $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by $as_me, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +config.status +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2012 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "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 >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACEOF + +cat >>$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" ;; + "all.mk") CONFIG_FILES="$CONFIG_FILES all.mk" ;; + + *) 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=$config_headers +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$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 _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. 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This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$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 " +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 $? 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"could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi + ;; + + + esac + +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "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: $ac_unrecognized_opts" >&2;} +fi + + diff --git a/src/modules/rlm_rest/configure.ac b/src/modules/rlm_rest/configure.ac new file mode 100644 index 0000000..fde100e --- /dev/null +++ b/src/modules/rlm_rest/configure.ac @@ -0,0 +1,173 @@ +AC_PREREQ([2.68]) +AC_INIT(rlm_rest.c) +AC_REVISION($Revision$) +FR_INIT_MODULE([rlm_rest]) +AC_CONFIG_HEADER(config.h) + +if test x$with_[]modname != xno; then + + AC_PROG_CC + AC_PROG_CPP + + dnl put configuration checks here. + dnl set $fail to what's missing, on fatal errors. + dnl use AC_MSG_WARN() on important messages. + + dnl ############################################################ + dnl # Check for curl + dnl ############################################################ + + LIBCURL_CHECK_CONFIG([], [7.19.1]) + + if test "x$libcurl_cv_lib_version_ok" != "xyes"; then + fail="$fail libcurl >= 7.19.2" + elif test "x$libcurl_cv_lib_curl_usable" != "xyes"; then + fail="$fail libcurl" + else + if test x$libcurl_protocol_HTTP != xyes; then + fail="$fail libcurl_protocol_http" + fi + + if test x$libcurl_protocol_HTTPS != xyes || test x$libcurl_feature_SSL != xyes; then + AC_MSG_WARN([silently building without HTTPS support. requires: libcurl_protocol_https.]) + else + AC_MSG_NOTICE([curl-config's cflags were \"${LIBCURL_CPPFLAGS}\"]) + LIBCURL_CPPFLAGS=$(echo "$LIBCURL_CPPFLAGS" | sed 's/-I[ ]*/-isystem /g') + AC_MSG_NOTICE([Sanitized cflags are \"$(echo "${LIBCURL_CPPFLAGS}" | sed 's/-I[ ]*/-isystem /g')\"]) + fi + fi + + dnl ############################################################ + dnl # Check for json-c + dnl ############################################################ + + dnl extra argument: --with-jsonc-include-dir=DIR + jsonc_include_dir= + AC_ARG_WITH(jsonc-include-dir, + [AS_HELP_STRING([--with-jsonc-include-dir=DIR], + [Directory where the json-c includes may be found])], + [case "$withval" in + no) + AC_MSG_ERROR(Need jsonc-include-dir) + ;; + yes) + ;; + *) + jsonc_include_dir="$withval" + ;; + esac]) + + dnl extra argument: --with-jsonc-lib-dir=DIR + jsonc_lib_dir= + AC_ARG_WITH(jsonc-lib-dir, + [AS_HELP_STRING([--with-jsonc-lib-dir=DIR], + [Directory where the json-c libraries may be found])], + [case "$withval" in + no) + AC_MSG_ERROR(Need jsonc-lib-dir) + ;; + yes) + ;; + *) + jsonc_lib_dir="$withval" + ;; + esac]) + + dnl extra argument: --with-jsonc-dir=DIR + AC_ARG_WITH(jsonc-dir, + [AS_HELP_STRING([--with-jsonc-dir=DIR], + [Base directory where json-c is installed])], + [case "$withval" in + no) + AC_MSG_ERROR(Need json-c-dir) + ;; + yes) + ;; + *) + jsonc_lib_dir="$withval/lib" + jsonc_include_dir="$withval/include" + ;; + esac]) + + + dnl ############################################################ + dnl # Check for json-c header files + dnl ############################################################ + + have_json="yes" + smart_try_dir="$jsonc_include_dir" + FR_SMART_CHECK_INCLUDE([json/json.h]) + if test "x$ac_cv_header_json_json_h" != "xyes"; then + FR_SMART_CHECK_INCLUDE([json-c/json.h]) + if test "x$ac_cv_header_jsonmc_json_h" != "xyes"; then + have_json="no" + AC_MSG_WARN([json-c headers not found. Use --with-jsonc-include-dir=<path>.]) + fail="$fail json.h" + else + AC_DEFINE([HAVE_JSONMC_JSON_H],[1],[json.h is at json-c/json.h relative to include dir]) + fi + else + AC_DEFINE([HAVE_JSON_JSON_H],[1],[json.h is at json/json.h relative to include dir]) + fi + + dnl ############################################################ + dnl # Check for json-c libraries + dnl ############################################################ + + smart_try_dir="$jsonc_lib_dir" + dnl # Use a json-c specific function which is only + dnl # available in newer versions. + FR_SMART_CHECK_LIB([json-c], [json_c_version]) + if test "x$ac_cv_lib_json_c_json_c_version" != "xyes" + then + dnl # Use a function which is included in legacy versions + dnl # but which may be available in other json libraries + FR_SMART_CHECK_LIB([json], [json_tokener_new]) + if test "x$ac_cv_lib_json_json_tokener_new" != "xyes" + then + have_json="no" + fi + fi + + if test "x$have_json" = "xyes"; then + dnl # Ensure we use the library we just found the rest of the checks + LDFLAGS="$SMART_LIBS" + + dnl # Add any optional functions here + AC_CHECK_FUNCS(\ + json_c_version \ + json_type_to_name + ) + + AC_DEFINE([HAVE_JSON],[1],[Build with JSON support from json-c]) + else + AC_MSG_WARN([json-c libraries not found. Use --with-jsonc-lib-dir=<path>.]) + AC_MSG_WARN([silently building without JSON support. requires: json-c]) + fi + + targetname=modname +else + targetname= + echo \*\*\* module modname is disabled. +fi + +dnl Don't change this section. +if test x"$fail" != x""; then + if test x"${enable_strict_dependencies}" = x"yes"; then + AC_MSG_ERROR([set --without-]modname[ to disable it explicitly.]) + else + AC_MSG_WARN([silently not building ]modname[.]) + AC_MSG_WARN([FAILURE: ]modname[ requires: $fail.]); + targetname="" + fi +fi + +mod_ldflags="$LIBCURL $SMART_LIBS" +mod_cflags="$LIBCURL_CPPFLAGS $SMART_CPPFLAGS" + +AC_SUBST(mod_cflags) +AC_SUBST(mod_ldflags) + +AC_SUBST(targetname) +AC_OUTPUT(all.mk) + diff --git a/src/modules/rlm_rest/demo.pl b/src/modules/rlm_rest/demo.pl new file mode 100755 index 0000000..dcb521b --- /dev/null +++ b/src/modules/rlm_rest/demo.pl @@ -0,0 +1,59 @@ +#!/usr/bin/perl + +use strict; +use warnings; + +use HTTP::Daemon; +use HTTP::Status; +use HTTP::Response; + +# Required else we get weird issues ports being bound after the +# daemon exits. +my $daemon; +my $client; + +sub close_client { + if (defined $client) { + $client->shutdown(2); + $client->close(); + } +} + +sub close_daemon { + if (defined $daemon) { + print "Closing daemon socket\n"; + $daemon->shutdown(2); + $daemon->close(); + } + close_client(); +} + +$SIG{'INT'} = \&close_daemon; +$SIG{'QUIT'} = \&close_daemon; +$SIG{'PIPE'} = \&close_client; + +$daemon = new HTTP::Daemon(ReuseAddr => 1, LocalAddr => '127.0.0.1', LocalPort => 9090); +if (!defined $daemon) { + die "Error opening socket: $!"; +} + +print "Please contact me at: ", $daemon->url, "\n"; +while ($client = $daemon->accept) { + $client->timeout(1); + while (my $r = $client->get_request) { + print "Got " . $r->method . " request for " . $r->url->path . "\n"; + if ((($r->method eq 'POST') or ($r->method eq 'GET')) and $r->url->path eq "/") { + my $resp = HTTP::Response->new( '200', 'OK' ); + + $resp->header("Content-Type" => "application/json"); + $resp->content("{\"control:Cleartext-Password\":\"testing123\",\"reply:Reply-Message\":\"Hello from demo.pl\"}"); + + $client->send_response($resp); + } else { + $client->send_error(RC_FORBIDDEN) + } + } + + close_client(); + undef($client); +} diff --git a/src/modules/rlm_rest/rest.c b/src/modules/rlm_rest/rest.c new file mode 100644 index 0000000..fcb3fd1 --- /dev/null +++ b/src/modules/rlm_rest/rest.c @@ -0,0 +1,2682 @@ +/* + * 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 of the License, 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, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +/** + * $Id$ + * + * @brief Functions and datatypes for the REST (HTTP) transport. + * @file rest.c + * + * @copyright 2012-2014 Arran Cudbard-Bell <a.cudbard-bell@freeradius.org> + */ + +RCSID("$Id$") + +#include <ctype.h> +#include <string.h> +#include <time.h> + +#include <freeradius-devel/rad_assert.h> +#include <freeradius-devel/radiusd.h> +#include <freeradius-devel/libradius.h> +#include <freeradius-devel/connection.h> + +#include "rest.h" + +/* + * This is a workaround to backward versions. + */ +#if defined(HAVE_JSON) && !defined(JSON_C_MINOR_VERSION) /* The versions less then 10, don't declare the 'JSON_C_MINOR_VERSION'*/ +int json_object_object_get_ex(struct json_object* jso, const char *key, struct json_object **value); +int json_object_object_get_ex(struct json_object* jso, const char *key, struct json_object **value) { + *value = json_object_object_get(jso, key); + + return (*value != NULL); +} +#endif + +/** Table of encoder/decoder support. + * + * Indexes in this table match the http_body_type_t enum, and should be + * updated if additional enum values are added. + * + * @see http_body_type_t + */ +const http_body_type_t http_body_type_supported[HTTP_BODY_NUM_ENTRIES] = { + HTTP_BODY_UNKNOWN, // HTTP_BODY_UNKNOWN + HTTP_BODY_UNSUPPORTED, // HTTP_BODY_UNSUPPORTED + HTTP_BODY_UNSUPPORTED, // HTTP_BODY_UNAVAILABLE + HTTP_BODY_UNSUPPORTED, // HTTP_BODY_INVALID + HTTP_BODY_NONE, // HTTP_BODY_NONE + HTTP_BODY_CUSTOM_XLAT, // HTTP_BODY_CUSTOM_XLAT + HTTP_BODY_CUSTOM_LITERAL, // HTTP_BODY_CUSTOM_LITERAL + HTTP_BODY_POST, // HTTP_BODY_POST +#ifdef HAVE_JSON + HTTP_BODY_JSON, // HTTP_BODY_JSON +#else + HTTP_BODY_UNAVAILABLE, +#endif + HTTP_BODY_UNSUPPORTED, // HTTP_BODY_XML + HTTP_BODY_UNSUPPORTED, // HTTP_BODY_YAML + HTTP_BODY_INVALID, // HTTP_BODY_HTML + HTTP_BODY_PLAIN // HTTP_BODY_PLAIN +}; + +/* + * Lib CURL doesn't define symbols for unsupported auth methods + */ +#ifndef CURLOPT_TLSAUTH_SRP +# define CURLOPT_TLSAUTH_SRP 0 +#endif +#ifndef CURLAUTH_BASIC +# define CURLAUTH_BASIC 0 +#endif +#ifndef CURLAUTH_DIGEST +# define CURLAUTH_DIGEST 0 +#endif +#ifndef CURLAUTH_DIGEST_IE +# define CURLAUTH_DIGEST_IE 0 +#endif +#ifndef CURLAUTH_GSSNEGOTIATE +# define CURLAUTH_GSSNEGOTIATE 0 +#endif +#ifndef CURLAUTH_NTLM +# define CURLAUTH_NTLM 0 +#endif +#ifndef CURLAUTH_NTLM_WB +# define CURLAUTH_NTLM_WB 0 +#endif + +/* + * CURL headers do: + * + * #define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param) + */ +DIAG_OPTIONAL +DIAG_OFF(disabled-macro-expansion) +#define SET_OPTION(_x, _y)\ +do {\ + if ((ret = curl_easy_setopt(candle, _x, _y)) != CURLE_OK) {\ + option = STRINGIFY(_x);\ + goto error;\ + }\ +} while (0) + +/* + * that macro is originally declared in include/curl/curlver.h + * We have to use this as curl uses lots of enums + */ +#ifndef CURL_AT_LEAST_VERSION +# define CURL_VERSION_BITS(x, y, z) ((x) << 16 | (y) << 8 | (z)) +# define CURL_AT_LEAST_VERSION(x, y, z) (LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z)) +#endif + +const unsigned long http_curl_auth[HTTP_AUTH_NUM_ENTRIES] = { + 0, // HTTP_AUTH_UNKNOWN + 0, // HTTP_AUTH_NONE + CURLOPT_TLSAUTH_SRP, // HTTP_AUTH_TLS_SRP + CURLAUTH_BASIC, // HTTP_AUTH_BASIC + CURLAUTH_DIGEST, // HTTP_AUTH_DIGEST + CURLAUTH_DIGEST_IE, // HTTP_AUTH_DIGEST_IE + CURLAUTH_GSSNEGOTIATE, // HTTP_AUTH_GSSNEGOTIATE + CURLAUTH_NTLM, // HTTP_AUTH_NTLM + CURLAUTH_NTLM_WB, // HTTP_AUTH_NTLM_WB + CURLAUTH_ANY, // HTTP_AUTH_ANY + CURLAUTH_ANYSAFE // HTTP_AUTH_ANY_SAFE +}; + + +/** Conversion table for method config values. + * + * HTTP verb strings for http_method_t enum values. Used by libcurl in the + * status line of the outgoing HTTP header, by rest_response_header for decoding + * incoming HTTP responses, and by the configuration parser. + * + * @note must be kept in sync with http_method_t enum. + * + * @see http_method_t + * @see fr_str2int + * @see fr_int2str + */ +const FR_NAME_NUMBER http_method_table[] = { + { "UNKNOWN", HTTP_METHOD_UNKNOWN }, + { "GET", HTTP_METHOD_GET }, + { "POST", HTTP_METHOD_POST }, + { "PUT", HTTP_METHOD_PUT }, + { "PATCH", HTTP_METHOD_PATCH }, + { "DELETE", HTTP_METHOD_DELETE }, + + { NULL , -1 } +}; + +/** Conversion table for type config values. + * + * Textual names for http_body_type_t enum values, used by the + * configuration parser. + * + * @see http_body_Type_t + * @see fr_str2int + * @see fr_int2str + */ +const FR_NAME_NUMBER http_body_type_table[] = { + { "unknown", HTTP_BODY_UNKNOWN }, + { "unsupported", HTTP_BODY_UNSUPPORTED }, + { "unavailable", HTTP_BODY_UNAVAILABLE }, + { "invalid", HTTP_BODY_INVALID }, + { "none", HTTP_BODY_NONE }, + { "post", HTTP_BODY_POST }, + { "json", HTTP_BODY_JSON }, + { "xml", HTTP_BODY_XML }, + { "yaml", HTTP_BODY_YAML }, + { "html", HTTP_BODY_HTML }, + { "plain", HTTP_BODY_PLAIN }, + + { NULL , -1 } +}; + +const FR_NAME_NUMBER http_auth_table[] = { + { "none", HTTP_AUTH_NONE }, + { "srp", HTTP_AUTH_TLS_SRP }, + { "basic", HTTP_AUTH_BASIC }, + { "digest", HTTP_AUTH_DIGEST }, + { "digest-ie", HTTP_AUTH_DIGEST_IE }, + { "gss-negotiate", HTTP_AUTH_GSSNEGOTIATE }, + { "ntlm", HTTP_AUTH_NTLM }, + { "ntlm-winbind", HTTP_AUTH_NTLM_WB }, + { "any", HTTP_AUTH_ANY }, + { "safe", HTTP_AUTH_ANY_SAFE }, + + { NULL , -1 } +}; + +/** Conversion table for "Content-Type" header values. + * + * Used by rest_response_header for parsing incoming headers. + * + * Values we expect to see in the 'Content-Type:' header of the incoming + * response. + * + * Some data types (like YAML) do no have standard MIME types defined, + * so multiple types, are listed here. + * + * @see http_body_Type_t + * @see fr_str2int + * @see fr_int2str + */ +const FR_NAME_NUMBER http_content_type_table[] = { + { "application/x-www-form-urlencoded", HTTP_BODY_POST }, + { "application/json", HTTP_BODY_JSON }, + { "text/html", HTTP_BODY_HTML }, + { "text/plain", HTTP_BODY_PLAIN }, + { "text/xml", HTTP_BODY_XML }, + { "text/yaml", HTTP_BODY_YAML }, + { "text/x-yaml", HTTP_BODY_YAML }, + { "application/yaml", HTTP_BODY_YAML }, + { "application/x-yaml", HTTP_BODY_YAML }, + + { NULL , -1 } +}; + +/** Conversion table for "HTTP" protocol version to use. + * + * Used by rlm_rest_t for specify the http client version. + * + * Values we expect to use in curl_easy_setopt() + * + * @see fr_str2int + * @see fr_int2str + */ +const FR_NAME_NUMBER http_negotiation_table[] = { + + { "1.0", CURL_HTTP_VERSION_1_0 }, //!< Enforce HTTP 1.0 requests. + { "1.1", CURL_HTTP_VERSION_1_1 }, //!< Enforce HTTP 1.1 requests. +/* + * These are all enum values + */ +#if CURL_AT_LEAST_VERSION(7,49,0) + { "2.0", CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE }, //!< Enforce HTTP 2.0 requests. +#endif +#if CURL_AT_LEAST_VERSION(7,33,0) + { "2.0+auto", CURL_HTTP_VERSION_2_0 }, //!< Attempt HTTP 2 requests. libcurl will fall back + ///< to HTTP 1.1 if HTTP 2 can't be negotiated with the + ///< server. (Added in 7.33.0) +#endif +#if CURL_AT_LEAST_VERSION(7,47,0) + { "2.0+tls", CURL_HTTP_VERSION_2TLS }, //!< Attempt HTTP 2 over TLS (HTTPS) only. + ///< libcurl will fall back to HTTP 1.1 if HTTP 2 + ///< can't be negotiated with the HTTPS server. + ///< For clear text HTTP servers, libcurl will use 1.1. +#endif + { "default", CURL_HTTP_VERSION_NONE } //!< We don't care about what version the library uses. + ///< libcurl will use whatever it thinks fit. +}; + +/* + * Encoder specific structures. + * @todo split encoders/decoders into submodules. + */ +typedef struct rest_custom_data { + char const *p; //!< how much text we've sent so far. +} rest_custom_data_t; + +#ifdef HAVE_JSON +/** Flags to control the conversion of JSON values to VALUE_PAIRs. + * + * These fields are set when parsing the expanded format for value pairs in + * JSON, and control how json_pair_make_leaf and json_pair_make convert the JSON + * value, and move the new VALUE_PAIR into an attribute list. + * + * @see json_pair_make + * @see json_pair_make_leaf + */ +typedef struct json_flags { + int do_xlat; //!< If true value will be expanded with xlat. + int is_json; //!< If true value will be inserted as raw JSON + // (multiple values not supported). + FR_TOKEN op; //!< The operator that determines how the new VP + // is processed. @see fr_tokens_table + + int8_t tag; //!< Tag to assign to VP. +} json_flags_t; +#endif + +/** Initialises libcurl. + * + * Allocates global variables and memory required for libcurl to function. + * MUST only be called once per module instance. + * + * rest_cleanup must not be called if rest_init fails. + * + * @see rest_cleanup + * + * @param[in] instance configuration data. + * @return 0 if init succeeded -1 if it failed. + */ +int rest_init(rlm_rest_t *instance) +{ + static bool version_done; + CURLcode ret; + + /* developer sanity */ + rad_assert((sizeof(http_body_type_supported) / sizeof(*http_body_type_supported)) == HTTP_BODY_NUM_ENTRIES); + + ret = curl_global_init(CURL_GLOBAL_ALL); + if (ret != CURLE_OK) { + ERROR("rlm_rest (%s): CURL init returned error: %i - %s", + instance->xlat_name, + ret, curl_easy_strerror(ret)); + + curl_global_cleanup(); + return -1; + } + + if (!version_done) { + curl_version_info_data *curlversion; + + version_done = true; + + curlversion = curl_version_info(CURLVERSION_NOW); + if (strcmp(LIBCURL_VERSION, curlversion->version) != 0) { + WARN("rlm_rest: libcurl version changed since the server was built"); + WARN("rlm_rest: linked: %s built: %s", curlversion->version, LIBCURL_VERSION); + } + + INFO("rlm_rest: libcurl version: %s", curl_version()); + } + + return 0; +} + +/** Cleans up after libcurl. + * + * Wrapper around curl_global_cleanup, frees any memory allocated by rest_init. + * Must only be called once per call of rest_init. + * + * @see rest_init + */ +void rest_cleanup(void) +{ + curl_global_cleanup(); +} + + +/** Frees a libcurl handle, and any additional memory used by context data. + * + * @param[in] randle rlm_rest_handle_t to close and free. + * @return returns true. + */ +static int _mod_conn_free(rlm_rest_handle_t *randle) +{ + curl_easy_cleanup(randle->handle); + + return 0; +} + +/** Creates a new connection handle for use by the FR connection API. + * + * Matches the fr_connection_create_t function prototype, is passed to + * fr_connection_pool_init, and called when a new connection is required by the + * connection pool API. + * + * Creates an instances of rlm_rest_handle_t, and rlm_rest_curl_context_t + * which hold the context data required for generating requests and parsing + * responses. + * + * If instance->connect_uri is not NULL libcurl will attempt to open a + * TCP socket to the server specified in the URI. This is done so that when the + * socket is first used, there will already be a cached TCP connection to the + * REST server associated with the curl handle. + * + * @see fr_connection_pool_init + * @see fr_connection_create_t + * @see connection.c + */ +void *mod_conn_create(TALLOC_CTX *ctx, void *instance) +{ + rlm_rest_t *inst = instance; + + rlm_rest_handle_t *randle = NULL; + rlm_rest_curl_context_t *curl_ctx = NULL; + + CURL *candle = curl_easy_init(); + + CURLcode ret = CURLE_OK; + char const *option = "unknown"; + + if (!candle) { + ERROR("rlm_rest (%s): Failed to create CURL handle", inst->xlat_name); + return NULL; + } + + SET_OPTION(CURLOPT_CONNECTTIMEOUT_MS, inst->connect_timeout); + + if (inst->connect_uri) { + /* + * re-establish TCP connection to webserver. This would usually be + * done on the first request, but we do it here to minimise + * latency. + */ + SET_OPTION(CURLOPT_SSL_VERIFYPEER, 0); + SET_OPTION(CURLOPT_SSL_VERIFYHOST, 0); + SET_OPTION(CURLOPT_CONNECT_ONLY, 1); + SET_OPTION(CURLOPT_URL, inst->connect_uri); + SET_OPTION(CURLOPT_NOSIGNAL, 1); + + DEBUG("rlm_rest (%s): Connecting to \"%s\"", inst->xlat_name, inst->connect_uri); + + ret = curl_easy_perform(candle); + if (ret != CURLE_OK) { + ERROR("rlm_rest (%s): Connection failed: %i - %s", inst->xlat_name, ret, curl_easy_strerror(ret)); + + goto connection_error; + } + } else { + DEBUG2("rlm_rest (%s): Skipping pre-connect, connect_uri not specified", inst->xlat_name); + } + + /* + * Allocate memory for the connection handle abstraction. + */ + randle = talloc_zero(ctx, rlm_rest_handle_t); + curl_ctx = talloc_zero(randle, rlm_rest_curl_context_t); + + curl_ctx->headers = NULL; /* CURL needs this to be NULL */ + curl_ctx->request.instance = inst; + + randle->ctx = curl_ctx; + randle->handle = candle; + talloc_set_destructor(randle, _mod_conn_free); + + /* + * Clear any previously configured options for the first request. + */ + curl_easy_reset(candle); + + return randle; + + /* + * Cleanup for error conditions. + */ +error: + ERROR("rlm_rest (%s): Failed setting curl option %s: %s (%i)", inst->xlat_name, option, + curl_easy_strerror(ret), ret); + + /* + * So we don't leak CURL handles. + */ +connection_error: + curl_easy_cleanup(candle); + if (randle) talloc_free(randle); + + return NULL; +} + +/** Verifies that the last TCP socket associated with a handle is still active. + * + * Quieries libcurl to try and determine if the TCP socket associated with a + * connection handle is still viable. + * + * @param[in] instance configuration data. + * @param[in] handle to check. + * @returns false if the last socket is dead, or if the socket state couldn't be + * determined, else true. + */ +int mod_conn_alive(void *instance, void *handle) +{ + rlm_rest_t *inst = instance; + rlm_rest_handle_t *randle = handle; + CURL *candle = randle->handle; + + long last_socket; + CURLcode ret; + + ret = curl_easy_getinfo(candle, CURLINFO_LASTSOCKET, &last_socket); + if (ret != CURLE_OK) { + ERROR("rlm_rest (%s): Couldn't determine socket state: %i - %s", inst->xlat_name, ret, + curl_easy_strerror(ret)); + + return false; + } + + if (last_socket == -1) { + return false; + } + + return true; +} + +/** Copies a pre-expanded xlat string to the output buffer + * + * @param[out] out Char buffer to write encoded data to. + * @param[in] size Multiply by nmemb to get the length of ptr. + * @param[in] nmemb Multiply by size to get the length of ptr. + * @param[in] userdata rlm_rest_request_t to keep encoding state between calls. + * @return length of data (including NULL) written to ptr, or 0 if no more + * data to write. + */ +static size_t rest_encode_custom(void *out, size_t size, size_t nmemb, void *userdata) +{ + rlm_rest_request_t *ctx = userdata; + rest_custom_data_t *data = ctx->encoder; + + size_t freespace = (size * nmemb) - 1; + size_t len; + + len = strlcpy(out, data->p, freespace); + if (is_truncated(len, freespace)) { + data->p += (freespace - 1); + return freespace - 1; + } + data->p += len; + + return len; +} + +/** Encodes VALUE_PAIR linked list in POST format + * + * This is a stream function matching the rest_read_t prototype. Multiple + * successive calls will return additional encoded VALUE_PAIRs. + * Only complete attribute headers @verbatim '<name>=' @endverbatim and values + * will be written to the ptr buffer. + * + * POST request format is: + * @verbatim <attribute0>=<value0>&<attribute1>=<value1>&<attributeN>=<valueN>@endverbatim + * + * All attributes and values are url encoded. There is currently no support for + * nested attributes, or attribute qualifiers. + * + * Nested attributes may be added in the future using + * @verbatim <attribute-outer>:<attribute-inner>@endverbatim + * to denotate nesting. + * + * Requires libcurl for url encoding. + * + * @see rest_decode_post + * + * @param[out] out Char buffer to write encoded data to. + * @param[in] size Multiply by nmemb to get the length of ptr. + * @param[in] nmemb Multiply by size to get the length of ptr. + * @param[in] userdata rlm_rest_request_t to keep encoding state between calls. + * @return length of data (including NULL) written to ptr, or 0 if no more + * data to write. + */ +static size_t rest_encode_post(void *out, size_t size, size_t nmemb, void *userdata) +{ + rlm_rest_request_t *ctx = userdata; + REQUEST *request = ctx->request; /* Used by RDEBUG */ + VALUE_PAIR *vp; + + char *p = out; /* Position in buffer */ + char *encoded = p; /* Position in buffer of last fully encoded attribute or value */ + char *escaped; /* Pointer to current URL escaped data */ + + size_t len = 0; + size_t freespace = (size * nmemb) - 1; + + /* Allow manual chunking */ + if ((ctx->chunk) && (ctx->chunk <= freespace)) { + freespace = (ctx->chunk - 1); + } + + if (ctx->state == READ_STATE_END) return 0; + + /* Post data requires no headers */ + if (ctx->state == READ_STATE_INIT) ctx->state = READ_STATE_ATTR_BEGIN; + + while (freespace > 0) { + vp = fr_cursor_current(&ctx->cursor); + if (!vp) { + ctx->state = READ_STATE_END; + + break; + } + + RDEBUG2("Encoding attribute \"%s\"", vp->da->name); + + if (ctx->state == READ_STATE_ATTR_BEGIN) { + escaped = curl_escape(vp->da->name, strlen(vp->da->name)); + if (!escaped) { + REDEBUG("Failed escaping string \"%s\"", vp->da->name); + return 0; + } + + len = strlen(escaped); + if (freespace < (1 + len)) { + curl_free(escaped); + goto no_space; + } + + len = sprintf(p, "%s=", escaped); + curl_free(escaped); + p += len; + freespace -= len; + + /* + * We wrote the attribute header, record progress. + */ + encoded = p; + ctx->state = READ_STATE_ATTR_CONT; + } + + /* + * Write out single attribute string. + */ + len = vp_prints_value(p, freespace, vp, 0); + if (is_truncated(len, freespace)) goto no_space; + + RINDENT(); + RDEBUG3("Length : %zd", len); + REXDENT(); + if (len > 0) { + escaped = curl_escape(p, len); + if (!escaped) { + REDEBUG("Failed escaping string \"%s\"", vp->da->name); + return 0; + } + len = strlen(escaped); + + if (freespace < len) { + curl_free(escaped); + goto no_space; + } + + len = strlcpy(p, escaped, len + 1); + + curl_free(escaped); + + RINDENT(); + RDEBUG3("Value : %s", p); + REXDENT(); + + p += len; + freespace -= len; + } + + /* + * there are no more attributes, stop + */ + if (!fr_cursor_next_peek(&ctx->cursor)) { + ctx->state = READ_STATE_END; + break; + } + + if (freespace < 1) goto no_space; + *p++ = '&'; + freespace--; + /* + * Only advance once we have a separator + * really we should have an additional + * state for encoding the separator, + * but, we don't, and v3.0.x is stable + * so let's do the easiest fix with the + * lowest risk. + */ + fr_cursor_next(&ctx->cursor); + + /* + * We wrote one full attribute value pair, record progress. + */ + encoded = p; + ctx->state = READ_STATE_ATTR_BEGIN; + } + + *p = '\0'; + + len = p - (char *)out; + + RDEBUG3("POST Data: %s", (char *)out); + RDEBUG3("Returning %zd bytes of POST data", len); + + return len; + + /* + * Cleanup for error conditions + */ +no_space: + *encoded = '\0'; + + len = encoded - (char *)out; + + RDEBUG3("POST Data: %s", (char *)out); + + /* + * The buffer wasn't big enough to encode a single attribute chunk. + */ + if (len == 0) { + REDEBUG("Failed encoding attribute"); + } else { + RDEBUG3("Returning %zd bytes of POST data (buffer full or chunk exceeded)", len); + } + + return len; +} + +#ifdef HAVE_JSON +/** Encodes VALUE_PAIR linked list in JSON format + * + * This is a stream function matching the rest_read_t prototype. Multiple + * successive calls will return additional encoded VALUE_PAIRs. + * + * Only complete attribute headers + * @verbatim "<name>":{"type":"<type>","value":[' @endverbatim + * and complete attribute values will be written to ptr. + * + * If an attribute occurs multiple times in the request the attribute values + * will be concatenated into a single value array. + * + * JSON request format is: +@verbatim +{ + "<attribute0>":{ + "type":"<type0>", + "value":[<value0>,<value1>,<valueN>] + }, + "<attribute1>":{ + "type":"<type1>", + "value":[...] + }, + "<attributeN>":{ + "type":"<typeN>", + "value":[...] + }, +} +@endverbatim + * + * @param[out] out Char buffer to write encoded data to. + * @param[in] size Multiply by nmemb to get the length of ptr. + * @param[in] nmemb Multiply by size to get the length of ptr. + * @param[in] userdata rlm_rest_request_t to keep encoding state between calls. + * @return length of data (including NULL) written to ptr, or 0 if no more + * data to write. + */ +static size_t rest_encode_json(void *out, size_t size, size_t nmemb, void *userdata) +{ + rlm_rest_request_t *ctx = userdata; + REQUEST *request = ctx->request; /* Used by RDEBUG */ + VALUE_PAIR *vp, *next; + + char *p = out; /* Position in buffer */ + char *encoded = p; /* Position in buffer of last fully encoded attribute or value */ + + char const *type; + + size_t len = 0; + size_t freespace = (size * nmemb) - 1; /* account for the \0 byte here */ + + rad_assert(freespace > 0); + + /* Allow manual chunking */ + if ((ctx->chunk) && (ctx->chunk <= freespace)) { + freespace = (ctx->chunk - 1); + } + + if (ctx->state == READ_STATE_END) return 0; + + if (ctx->state == READ_STATE_INIT) { + ctx->state = READ_STATE_ATTR_BEGIN; + + if (freespace < 1) goto no_space; + *p++ = '{'; + freespace--; + } + + for (;;) { + vp = fr_cursor_current(&ctx->cursor); + + /* + * We've encoded all the VPs + * + * The check for READ_STATE_ATTR_BEGIN is needed as we might be in + * READ_STATE_ATTR_END, and need to close out the current attribute + * array. + */ + if (!vp && (ctx->state == READ_STATE_ATTR_BEGIN)) { + if (freespace < 1) goto no_space; + *p++ = '}'; + freespace--; + + ctx->state = READ_STATE_END; + + break; + } + + if (ctx->state == READ_STATE_ATTR_BEGIN) { + /* + * New attribute, write name, type, and beginning of value array. + */ + RDEBUG2("Encoding attribute \"%s\"", vp->da->name); + + type = fr_int2str(dict_attr_types, vp->da->type, "<INVALID>"); + + if (ctx->section->attr_num) { + len = snprintf(p, freespace + 1, "\"%s\":{\"attr_num\":%d,\"type\":\"%s\",\"value\":[", + vp->da->name, vp->da->attr, type); + } else { + len = snprintf(p, freespace + 1, "\"%s\":{\"type\":\"%s\",\"value\":[", vp->da->name, type); + } + + if (len >= freespace) goto no_space; + p += len; + freespace -= len; + + RINDENT(); + RDEBUG3("Type : %s", type); + REXDENT(); + /* + * We wrote the attribute header, record progress + */ + encoded = p; + ctx->state = READ_STATE_ATTR_CONT; + } + + if (ctx->state == READ_STATE_ATTR_CONT) { + for (;;) { + size_t attr_space; + + rad_assert(vp); /* coverity */ + + /* + * We need at least a single byte to write out the + * shortest attribute value. + */ + if (freespace < 1) goto no_space; + + /* + * Code below expects length of the buffer, so we + * add +1 to freespace. + * + * If we know we need a comma after the value, we + * need to -1 to make sure we have enough room to + * write that out. + */ + attr_space = fr_cursor_next_peek(&ctx->cursor) ? freespace - 1 : freespace; + len = vp_prints_value_json(p, attr_space + 1, vp, ctx->section->raw_value); + if (is_truncated(len, attr_space + 1)) goto no_space; + + /* + * Show actual value length minus quotes + */ + RINDENT(); + RDEBUG3("Length : %zu", (size_t) (*p == '"') ? (len - 2) : len); + RDEBUG3("Value : %s", p); + REXDENT(); + + p += len; + freespace -= len; + encoded = p; + + /* + * Multivalued attribute, we sorted all the attributes earlier, so multiple + * instances should occur in a contiguous block. + */ + if ((next = fr_cursor_next(&ctx->cursor)) && (vp->da == next->da)) { + rad_assert(freespace >= 1); + *p++ = ','; + freespace--; + + /* + * We wrote one attribute value, record progress. + */ + encoded = p; + vp = next; + continue; + } + break; + } + ctx->state = READ_STATE_ATTR_END; + } + + if (ctx->state == READ_STATE_ATTR_END) { + next = fr_cursor_current(&ctx->cursor); + if (freespace < 2) goto no_space; + *p++ = ']'; + *p++ = '}'; + freespace -= 2; + + if (next) { + if (freespace < 1) goto no_space; + *p++ = ','; + freespace--; + } + + /* + * We wrote one full attribute value pair, record progress. + */ + encoded = p; + ctx->state = READ_STATE_ATTR_BEGIN; + } + } + + *p = '\0'; + + len = p - (char *)out; + + RDEBUG3("JSON Data: %s", (char *)out); + RDEBUG3("Returning %zd bytes of JSON data", len); + + return len; + + /* + * Were out of buffer space + */ +no_space: + *encoded = '\0'; + + len = encoded - (char *)out; + + RDEBUG3("JSON Data: %s", (char *)out); + + /* + * The buffer wasn't big enough to encode a single attribute chunk. + */ + if (len == 0) { + REDEBUG("AVP exceeds buffer length or chunk"); + } else { + RDEBUG2("Returning %zd bytes of JSON data (buffer full or chunk exceeded)", len); + } + + return len; +} +#endif + +/** Emulates successive libcurl calls to an encoding function + * + * This function is used when the request will be sent to the HTTP server as one + * contiguous entity. A buffer of REST_BODY_INIT bytes is allocated and passed + * to the stream encoding function. + * + * If the stream function does not return 0, a new buffer is allocated which is + * the size of the previous buffer + REST_BODY_INIT bytes, the data from the + * previous buffer is copied, and freed, and another call is made to the stream + * function, passing a pointer into the new buffer at the end of the previously + * written data. + * + * This process continues until the stream function signals (by returning 0) + * that it has no more data to write. + * + * @param[out] buffer where the pointer to the alloced buffer should + * be written. + * @param[in] func Stream function. + * @param[in] limit Maximum buffer size to alloc. + * @param[in] userdata rlm_rest_request_t to keep encoding state between calls to + * stream function. + * @return the length of the data written to the buffer (excluding NULL) or -1 + * if alloc >= limit. + */ +static ssize_t rest_request_encode_wrapper(char **buffer, rest_read_t func, size_t limit, void *userdata) +{ + char *previous = NULL; + char *current = NULL; + + size_t alloc = REST_BODY_INIT; /* Size of buffer to alloc */ + size_t used = 0; /* Size of data written */ + size_t len = 0; + + while (alloc <= limit) { + current = rad_malloc(alloc); + + if (previous) { + strlcpy(current, previous, used + 1); + free(previous); + } + + len = func(current + used, alloc - used, 1, userdata); + used += len; + if (!len) { + *buffer = current; + return used; + } + + alloc = alloc * 2; + previous = current; + }; + + free(current); + + return -1; +} + +/** (Re-)Initialises the data in a rlm_rest_request_t. + * + * Resets the values of a rlm_rest_request_t to their defaults. + * + * @param[in] request Current request. + * @param[in] ctx to initialise. + * @param[in] sort If true VALUE_PAIRs will be sorted within the VALUE_PAIR + * pointer array. + */ +static void rest_request_init(REQUEST *request, rlm_rest_request_t *ctx, bool sort) +{ + /* + * Setup stream read data + */ + ctx->request = request; + ctx->state = READ_STATE_INIT; + + /* + * Sorts pairs in place, oh well... + */ + if (sort) { + fr_pair_list_sort(&request->packet->vps, fr_pair_cmp_by_da_tag); + } + fr_cursor_init(&ctx->cursor, &request->packet->vps); +} + +/** Converts plain response into a single VALUE_PAIR + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] handle rlm_rest_handle_t to use. + * @param[in] request Current request. + * @param[in] raw buffer containing POST data. + * @param[in] rawlen Length of data in raw buffer. + * @return the number of VALUE_PAIRs processed or -1 on unrecoverable error. + */ +static int rest_decode_plain(UNUSED rlm_rest_t *instance, UNUSED rlm_rest_section_t *section, + REQUEST *request, UNUSED void *handle, char *raw, size_t rawlen) +{ + VALUE_PAIR *vp; + + /* + * Empty response? + */ + if (*raw == '\0') return 0; + + /* + * Use rawlen to protect against overrun, and to cope with any binary data + */ + vp = pair_make_reply("REST-HTTP-Body", NULL, T_OP_ADD); + fr_pair_value_bstrncpy(vp, raw, rawlen); + + RDEBUG2("Adding reply:REST-HTTP-Body += \"%s\"", vp->vp_strvalue); + + return 1; +} + +/** Converts POST response into VALUE_PAIRs and adds them to the request + * + * Accepts VALUE_PAIRS in the same format as rest_encode_post, but with the + * addition of optional attribute list qualifiers as part of the attribute name + * string. + * + * If no qualifiers are specified, will default to the request list. + * + * POST response format is: + * @verbatim [outer.][<list>:]<attribute0>=<value0>&[outer.][<list>:]<attribute1>=<value1>&[outer.][<list>:]<attributeN>=<valueN> @endverbatim + * + * @see rest_encode_post + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] handle rlm_rest_handle_t to use. + * @param[in] request Current request. + * @param[in] raw buffer containing POST data. + * @param[in] rawlen Length of data in raw buffer. + * @return the number of VALUE_PAIRs processed or -1 on unrecoverable error. + */ +static int rest_decode_post(UNUSED rlm_rest_t *instance, UNUSED rlm_rest_section_t *section, + REQUEST *request, void *handle, char *raw, size_t rawlen) +{ + rlm_rest_handle_t *randle = handle; + CURL *candle = randle->handle; + + char const *p = raw, *q; + + char const *attribute; + char *name = NULL; + char *value = NULL; + + char *expanded = NULL; + + DICT_ATTR const *da; + VALUE_PAIR *vp; + + pair_lists_t list_name; + request_refs_t request_name; + REQUEST *reference = request; + VALUE_PAIR **vps; + TALLOC_CTX *ctx; + + size_t len; + int curl_len; /* Length from last curl_easy_unescape call */ + + int count = 0; + int ret; + + /* + * Empty response? + */ + while (isspace(*p)) p++; + if (*p == '\0') return 0; + + while (((q = strchr(p, '=')) != NULL) && (count < REST_BODY_MAX_ATTRS)) { + reference = request; + + name = curl_easy_unescape(candle, p, (q - p), &curl_len); + p = (q + 1); + + RDEBUG2("Parsing attribute \"%s\"", name); + + /* + * The attribute pointer is updated to point to the portion of + * the string after the list qualifier. + */ + attribute = name; + attribute += radius_request_name(&request_name, attribute, REQUEST_CURRENT); + if (request_name == REQUEST_UNKNOWN) { + RWDEBUG("Invalid request qualifier, skipping"); + + curl_free(name); + + continue; + } + + if (radius_request(&reference, request_name) < 0) { + RWDEBUG("Attribute name refers to outer request but not in a tunnel, skipping"); + + curl_free(name); + + continue; + } + + attribute += radius_list_name(&list_name, attribute, PAIR_LIST_REPLY); + if (list_name == PAIR_LIST_UNKNOWN) { + RWDEBUG("Invalid list qualifier, skipping"); + curl_free(name); + + continue; + } + + da = dict_attrbyname(attribute); + if (!da) { + RWDEBUG("Attribute \"%s\" unknown, skipping", attribute); + + curl_free(name); + + continue; + } + + vps = radius_list(reference, list_name); + rad_assert(vps); + + RINDENT(); + RDEBUG3("Type : %s", fr_int2str(dict_attr_types, da->type, "<INVALID>")); + + ctx = radius_list_ctx(reference, list_name); + + q = strchr(p, '&'); + len = (!q) ? (rawlen - (p - raw)) : (unsigned)(q - p); + + value = curl_easy_unescape(candle, p, len, &curl_len); + + /* + * If we found a delimiter we want to skip over it, + * if we didn't we do *NOT* want to skip over the end + * of the buffer... + */ + p += (!q) ? len : (len + 1); + + RDEBUG3("Length : %i", curl_len); + RDEBUG3("Value : \"%s\"", value); + REXDENT(); + + RDEBUG2("Performing xlat expansion of response value"); + + if (radius_axlat(&expanded, request, value, NULL, NULL) < 0) { + goto skip; + } + + vp = fr_pair_afrom_da(ctx, da); + if (!vp) { + REDEBUG("Failed creating valuepair"); + talloc_free(expanded); + + goto error; + } + + ret = fr_pair_value_from_str(vp, expanded, -1); + TALLOC_FREE(expanded); + if (ret < 0) { + RWDEBUG("Incompatible value assignment, skipping"); + talloc_free(vp); + goto skip; + } + + fr_pair_add(vps, vp); + + count++; + + skip: + curl_free(name); + curl_free(value); + + continue; + + error: + curl_free(name); + curl_free(value); + + return count; + } + + if (!count) { + REDEBUG("Malformed POST data \"%s\"", raw); + } + + return count; + +} + +#ifdef HAVE_JSON +/** Converts JSON "value" key into VALUE_PAIR. + * + * If leaf is not in fact a leaf node, but contains JSON data, the data will + * written to the attribute in JSON string format. + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] ctx to allocate new VALUE_PAIRs in. + * @param[in] request Current request. + * @param[in] da Attribute to create. + * @param[in] flags containing the operator other flags controlling value + * expansion. + * @param[in] leaf object containing the VALUE_PAIR value. + * @return The VALUE_PAIR just created, or NULL on error. + */ +static VALUE_PAIR *json_pair_make_leaf(UNUSED rlm_rest_t *instance, UNUSED rlm_rest_section_t *section, + TALLOC_CTX *ctx, REQUEST *request, DICT_ATTR const *da, + json_flags_t *flags, json_object *leaf) +{ + char const *value, *to_parse; + char *expanded = NULL; + int ret; + + VALUE_PAIR *vp; + + if (json_object_is_type(leaf, json_type_null)) { + RDEBUG3("Got null value for attribute \"%s\", skipping...", da->name); + + return NULL; + } + + /* + * Should encode any nested JSON structures into JSON strings. + * + * "I knew you liked JSON so I put JSON in your JSON!" + */ + value = json_object_get_string(leaf); + if (!value) { + RWDEBUG("Failed getting string value for attribute \"%s\", skipping...", da->name); + + return NULL; + } + + RINDENT(); + RDEBUG3("Type : %s", fr_int2str(dict_attr_types, da->type, "<INVALID>")); + RDEBUG3("Length : %zu", strlen(value)); + RDEBUG3("Value : \"%s\"", value); + REXDENT(); + + if (flags->do_xlat) { + if (radius_axlat(&expanded, request, value, NULL, NULL) < 0) { + return NULL; + } + + to_parse = expanded; + } else { + to_parse = value; + } + + vp = fr_pair_afrom_da(ctx, da); + if (!vp) { + RWDEBUG("Failed creating valuepair for attribute \"%s\", skipping...", da->name); + talloc_free(expanded); + + return NULL; + } + + ret = fr_pair_value_from_str(vp, to_parse, -1); + talloc_free(expanded); + if (ret < 0) { + RWDEBUG("Incompatible value assignment for attribute \"%s\", skipping...", da->name); + talloc_free(vp); + + return NULL; + } + + vp->op = flags->op; + vp->tag = flags->tag; + + return vp; +} + +/** Processes JSON response and converts it into multiple VALUE_PAIRs + * + * Processes JSON attribute declarations in the format below. Will recurse when + * processing nested attributes. When processing nested attributes flags and + * operators from previous attributes are not inherited. + * + * JSON response format is: +@verbatim +{ + "<attribute0>":{ + "do_xlat":<bool>, + "is_json":<bool>, + "op":"<operator>", + "value":[<value0>,<value1>,<valueN>] + }, + "<attribute1>":{ + "value":{ + "<nested-attribute0>":{ + "op":"<operator>", + "value":<value0> + } + } + }, + "<attribute2>":"<value0>", + "<attributeN>":[<value0>,<value1>,<valueN>] +} +@endverbatim + * + * JSON valuepair flags: + * - do_xlat (optional) Controls xlat expansion of values. Defaults to true. + * - is_json (optional) If true, any nested JSON data will be copied to the + * VALUE_PAIR in string form. Defaults to true. + * - op (optional) Controls how the attribute is inserted into + * the target list. Defaults to ':=' (T_OP_SET). + * + * If "op" is ':=' or '=', it will be automagically changed to '+=' for the + * second and subsequent values in multivalued attributes. This does not work + * between multiple attribute declarations. + * + * @see fr_tokens + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] request Current request. + * @param[in] object containing root node, or parent node. + * @param[in] level Current nesting level. + * @param[in] max counter, decremented after each VALUE_PAIR is created, + * when 0 no more attributes will be processed. + * @return number of attributes created or < 0 on error. + */ +static int json_pair_make(rlm_rest_t *instance, rlm_rest_section_t *section, + REQUEST *request, json_object *object, UNUSED int level, int max) +{ + struct lh_entry *entry; + int max_attrs = max; + + if (!json_object_is_type(object, json_type_object)) { +#ifdef HAVE_JSON_TYPE_TO_NAME + REDEBUG("Can't process VP container, expected JSON object" + "got \"%s\", skipping...", + json_type_to_name(json_object_get_type(object))); +#else + REDEBUG("Can't process VP container, expected JSON object" + ", skipping..."); +#endif + return -1; + } + + /* + * Process VP container + */ + for (entry = json_object_get_object(object)->head; + entry; + entry = entry->next) { + int i = 0, elements; + struct json_object *value, *element, *tmp; + TALLOC_CTX *ctx; + + char const *name = (char const *)entry->k; + + json_flags_t flags = { + .op = T_OP_SET, + .do_xlat = 1, + .is_json = 0 + }; + + vp_tmpl_t dst; + REQUEST *current = request; + VALUE_PAIR **vps, *vp = NULL; + + memset(&dst, 0, sizeof(dst)); + + /* Fix the compiler warnings regarding const... */ + memcpy(&value, &entry->v, sizeof(value)); + + /* + * Resolve attribute name to a dictionary entry and pairlist. + */ + RDEBUG2("Parsing attribute \"%s\"", name); + + if (tmpl_from_attr_str(&dst, name, REQUEST_CURRENT, PAIR_LIST_REPLY, false, false) <= 0) { + RWDEBUG("Failed parsing attribute: %s, skipping...", fr_strerror()); + continue; + } + + if (radius_request(¤t, dst.tmpl_request) < 0) { + RWDEBUG("Attribute name refers to outer request but not in a tunnel, skipping..."); + continue; + } + + vps = radius_list(current, dst.tmpl_list); + if (!vps) { + RWDEBUG("List not valid in this context, skipping..."); + continue; + } + ctx = radius_list_ctx(current, dst.tmpl_list); + + /* + * Alternative JSON structure which allows operator, + * and other flags to be specified. + * + * "<name>":{ + * "do_xlat":<bool>, + * "is_json":<bool>, + * "op":"<op>", + * "value":<value> + * } + * + * Where value is a: + * - [] Multivalued array + * - {} Nested Valuepair + * - * Integer or string value + */ + if (json_object_is_type(value, json_type_object)) { + /* + * Process operator if present. + */ + if (json_object_object_get_ex(value, "op", &tmp)) { + flags.op = fr_str2int(fr_tokens, json_object_get_string(tmp), 0); + if (!flags.op) { + RWDEBUG("Invalid operator value \"%s\", skipping...", + json_object_get_string(tmp)); + continue; + } + } + + /* + * Process optional do_xlat bool. + */ + if (json_object_object_get_ex(value, "do_xlat", &tmp)) { + flags.do_xlat = json_object_get_boolean(tmp); + } + + /* + * Process optional is_json bool. + */ + if (json_object_object_get_ex(value, "is_json", &tmp)) { + flags.is_json = json_object_get_boolean(tmp); + } + + /* + * Value key must be present if were using the expanded syntax. + */ + if (!json_object_object_get_ex(value, "value", &value)) { + RWDEBUG("Value key missing, skipping..."); + continue; + } + } + + /* + * Setup fr_pair_make / recursion loop. + */ + if (!flags.is_json && json_object_is_type(value, json_type_array)) { + elements = json_object_array_length(value); + if (!elements) { + RWDEBUG("Zero length value array, skipping..."); + continue; + } + element = json_object_array_get_idx(value, 0); + } else { + elements = 1; + element = value; + } + + flags.tag = dst.tmpl_tag; + + /* + * A JSON 'value' key, may have multiple elements, iterate + * over each of them, creating a new VALUE_PAIR. + */ + do { + if (max_attrs-- <= 0) { + RWDEBUG("At maximum attribute limit"); + return max; + } + + /* + * Automagically switch the op for multivalued attributes. + */ + if (((flags.op == T_OP_SET) || (flags.op == T_OP_EQ)) && (i >= 1)) { + flags.op = T_OP_ADD; + } + + if (json_object_is_type(element, json_type_object) && !flags.is_json) { + /* TODO: Insert nested VP into VP structure...*/ + RWDEBUG("Found nested VP, these are not yet supported, skipping..."); + + continue; + + /* + vp = json_pair_make(instance, section, + request, value, + level + 1, max_attrs);*/ + } else { + vp = json_pair_make_leaf(instance, section, ctx, request, + dst.tmpl_da, &flags, element); + if (!vp) continue; + } + rdebug_pair(2, request, vp, NULL); + radius_pairmove(current, vps, vp, false); + /* + * If we call json_object_array_get_idx on something that's not an array + * the behaviour appears to be to occasionally segfault. + */ + } while ((++i < elements) && (element = json_object_array_get_idx(value, i))); + } + + return max - max_attrs; +} + +/** Converts JSON response into VALUE_PAIRs and adds them to the request. + * + * Converts the raw JSON string into a json-c object tree and passes it to + * json_pair_make. After the tree has been parsed json_object_put is called + * which decrements the reference count of the root node by one, and frees + * the entire tree. + * + * @see rest_encode_json + * @see json_pair_make + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in,out] request Current request. + * @param[in] handle REST handle. + * @param[in] raw buffer containing JSON data. + * @param[in] rawlen Length of data in raw buffer. + * @return the number of VALUE_PAIRs processed or -1 on unrecoverable error. + */ +static int rest_decode_json(rlm_rest_t *instance, rlm_rest_section_t *section, + REQUEST *request, UNUSED void *handle, char *raw, UNUSED size_t rawlen) +{ + char const *p = raw; + + struct json_object *json; + + int ret; + + /* + * Empty response? + */ + while (isspace(*p)) p++; + if (*p == '\0') return 0; + + json = json_tokener_parse(p); + if (!json) { + REDEBUG("Malformed JSON data \"%s\"", raw); + return -1; + } + + ret = json_pair_make(instance, section, request, json, 0, REST_BODY_MAX_ATTRS); + + /* + * Decrement reference count for root object, should free entire JSON tree. + */ + json_object_put(json); + + return ret; +} +#endif + +/** Processes incoming HTTP header data from libcurl. + * + * Processes the status line, and Content-Type headers from the incoming HTTP + * response. + * + * Matches prototype for CURLOPT_HEADERFUNCTION, and will be called directly + * by libcurl. + * + * @param[in] in Char buffer where inbound header data is written. + * @param[in] size Multiply by nmemb to get the length of ptr. + * @param[in] nmemb Multiply by size to get the length of ptr. + * @param[in] userdata rlm_rest_response_t to keep parsing state between calls. + * @return Length of data processed, or 0 on error. + */ +static size_t rest_response_header(void *in, size_t size, size_t nmemb, void *userdata) +{ + rlm_rest_response_t *ctx = userdata; + REQUEST *request = ctx->request; /* Used by RDEBUG */ + + char const *p = in, *q; + + size_t const t = (size * nmemb); + size_t s = t; + size_t len; + + http_body_type_t type; + + /* + * This seems to be curl's indication there are no more header lines. + */ + if (t == 2 && ((p[0] == '\r') && (p[1] == '\n'))) { + /* + * If we got a 100 Continue, we need to send additional payload data. + * reset the state to WRITE_STATE_INIT, so that when were called again + * we overwrite previous header data with that from the proper header. + */ + if (ctx->code == 100) { + RDEBUG2("Continuing..."); + ctx->state = WRITE_STATE_INIT; + } + + return t; + } + + switch (ctx->state) { + case WRITE_STATE_INIT: + RDEBUG2("Processing response header"); + + /* + * HTTP/<version> <reason_code>[ <reason_phrase>]\r\n + * + * "HTTP/1.1 " (8) + "100 " (4) + "\r\n" (2) = 14 + * "HTTP/2 " (8) + "100 " (4) + "\r\n" (2) = 12 + */ + if (s < 12) { + REDEBUG("Malformed HTTP header: Status line too short"); + goto malformed; + } + /* + * Check start of header matches... + */ + if (strncasecmp("HTTP/", p, 5) != 0) { + REDEBUG("Malformed HTTP header: Missing HTTP version"); + goto malformed; + } + p += 5; + s -= 5; + + /* + * Skip the version field, next space should mark start of reason_code. + */ + q = memchr(p, ' ', s); + if (!q) { + RDEBUG("Malformed HTTP header: Missing reason code"); + goto malformed; + } + + s -= (q - p); + p = q; + + /* + * Process reason_code. + * + * " 100" (4) + "\r\n" (2) = 6 + */ + if (s < 6) { + REDEBUG("Malformed HTTP header: Reason code too short"); + goto malformed; + } + p++; + s--; + + /* + * "xxx( |\r)" status code and terminator. + */ + if (!isdigit(p[0]) || !isdigit(p[1]) || !isdigit(p[2]) || !((p[3] == ' ') || (p[3] == '\r'))) goto malformed; + + ctx->code = atoi(p); + + /* + * Process reason_phrase (if present). + */ + RINDENT(); + if (p[3] == ' ') { + p += 4; + s -= 4; + + q = memchr(p, '\r', s); + if (!q) goto malformed; + + len = (q - p); + + RDEBUG2("Status : %i (%.*s)", ctx->code, (int) len, p); + } else { + RDEBUG2("Status : %i", ctx->code); + } + REXDENT(); + + ctx->state = WRITE_STATE_PARSE_HEADERS; + + break; + + case WRITE_STATE_PARSE_HEADERS: + if ((s >= 14) && + (strncasecmp("Content-Type: ", p, 14) == 0)) { + p += 14; + s -= 14; + + /* + * Check to see if there's a parameter separator. + */ + q = memchr(p, ';', s); + + /* + * If there's not, find the end of this header. + */ + if (!q) q = memchr(p, '\r', s); + + len = !q ? s : (size_t) (q - p); + type = fr_substr2int(http_content_type_table, p, HTTP_BODY_UNKNOWN, len); + + RINDENT(); + RDEBUG2("Type : %s (%.*s)", fr_int2str(http_body_type_table, type, "<INVALID>"), + (int) len, p); + REXDENT(); + + /* + * Assume the force_to value has already been validated. + */ + if (ctx->force_to != HTTP_BODY_UNKNOWN) { + if (ctx->force_to != ctx->type) { + RDEBUG3("Forcing body type to \"%s\"", + fr_int2str(http_body_type_table, ctx->force_to, "<INVALID>")); + ctx->type = ctx->force_to; + } + /* + * Figure out if the type is supported by one of the decoders. + */ + } else { + ctx->type = http_body_type_supported[type]; + switch (ctx->type) { + case HTTP_BODY_UNKNOWN: + RWDEBUG("Couldn't determine type, using the request's type \"%s\".", + fr_int2str(http_body_type_table, type, "<INVALID>")); + break; + + case HTTP_BODY_UNSUPPORTED: + REDEBUG("Type \"%s\" is currently unsupported", + fr_int2str(http_body_type_table, type, "<INVALID>")); + break; + + case HTTP_BODY_UNAVAILABLE: + REDEBUG("Type \"%s\" is unavailable, please rebuild this module with the required " + "library", fr_int2str(http_body_type_table, type, "<INVALID>")); + break; + + case HTTP_BODY_INVALID: + REDEBUG("Type \"%s\" is not a valid web API data markup format", + fr_int2str(http_body_type_table, type, "<INVALID>")); + break; + + /* supported type */ + default: + break; + } + } + } + break; + + default: + break; + } + + return t; + +malformed: + { + char escaped[1024]; + + fr_prints(escaped, sizeof(escaped), (char *) in, t, '\0'); + + REDEBUG("Received %zu bytes of response data: %s", t, escaped); + ctx->code = -1; + } + + return (t - s); +} + +/** Processes incoming HTTP body data from libcurl. + * + * Writes incoming body data to an intermediary buffer for later parsing by + * one of the decode functions. + * + * @param[in] ptr Char buffer where inbound header data is written + * @param[in] size Multiply by nmemb to get the length of ptr. + * @param[in] nmemb Multiply by size to get the length of ptr. + * @param[in] userdata rlm_rest_response_t to keep parsing state between calls. + * @return length of data processed, or 0 on error. + */ +static size_t rest_response_body(void *ptr, size_t size, size_t nmemb, void *userdata) +{ + rlm_rest_response_t *ctx = userdata; + REQUEST *request = ctx->request; /* Used by RDEBUG */ + + char const *p = ptr, *q; + char *tmp; + + size_t const t = (size * nmemb); + size_t needed; + + if (t == 0) return 0; + + /* + * Any post processing of headers should go here... + */ + if (ctx->state == WRITE_STATE_PARSE_HEADERS) { + ctx->state = WRITE_STATE_PARSE_CONTENT; + } + + switch (ctx->type) { + case HTTP_BODY_UNSUPPORTED: + case HTTP_BODY_UNAVAILABLE: + case HTTP_BODY_INVALID: + while ((q = memchr(p, '\n', t - (p - (char *)ptr)))) { + REDEBUG("%.*s", (int) (q - p), p); + p = q + 1; + } + + if (*p != '\0') { + REDEBUG("%.*s", (int)(t - (p - (char *)ptr)), p); + } + + return t; + + case HTTP_BODY_NONE: + while ((q = memchr(p, '\n', t - (p - (char *)ptr)))) { + RDEBUG3("%.*s", (int) (q - p), p); + p = q + 1; + } + + if (*p != '\0') { + RDEBUG3("%.*s", (int)(t - (p - (char *)ptr)), p); + } + + return t; + + default: + needed = ctx->used + t + 1; + if (needed < REST_BODY_INIT) needed = REST_BODY_INIT; + + if (needed > ctx->alloc) { + ctx->alloc = needed; + + tmp = ctx->buffer; + + ctx->buffer = rad_malloc(ctx->alloc); + + /* If data has been written previously */ + if (tmp) { + memcpy(ctx->buffer, tmp, ctx->used); + free(tmp); + } + } + strlcpy(ctx->buffer + ctx->used, p, t + 1); + ctx->used += t; /* don't include the trailing zero */ + + break; + } + + return t; +} + +/** Print out the response text as error lines + * + * @param request The Current request. + * @param handle rlm_rest_handle_t used to execute the previous request. + */ +void rest_response_error(REQUEST *request, rlm_rest_handle_t *handle) +{ + char const *p, *q; + size_t len; + + len = rest_get_handle_data(&p, handle); + if (len == 0) { + RERROR("Server returned no data"); + return; + } + + RERROR("Server returned:"); + while ((q = strchr(p, '\n'))) { + RERROR("%.*s", (int) (q - p), p); + p = q + 1; + } + if (*p != '\0') RERROR("%s", p); +} + +/** (Re-)Initialises the data in a rlm_rest_response_t. + * + * This resets the values of the a rlm_rest_response_t to their defaults. + * Must be called between encoding sessions. + * + * @see rest_response_body + * @see rest_response_header + * + * @param[in] request Current request. + * @param[in] ctx data to initialise. + * @param[in] type Default http_body_type to use when decoding raw data, may be + * overwritten by rest_response_header. + */ +static void rest_response_init(REQUEST *request, rlm_rest_response_t *ctx, http_body_type_t type) +{ + ctx->request = request; + ctx->type = type; + ctx->state = WRITE_STATE_INIT; + ctx->alloc = 0; + ctx->used = 0; + ctx->buffer = NULL; +} + +/** Extracts pointer to buffer containing response data + * + * @param[out] out Where to write the pointer to the buffer. + * @param[in] handle used for the last request. + * @return > 0 if data is available. + */ +size_t rest_get_handle_data(char const **out, rlm_rest_handle_t *handle) +{ + rlm_rest_curl_context_t *ctx = handle->ctx; + + rad_assert(ctx->response.buffer || (!ctx->response.buffer && !ctx->response.used)); + + *out = ctx->response.buffer; + return ctx->response.used; +} + +/** Configures body specific curlopts. + * + * Configures libcurl handle to use either chunked mode, where the request + * data will be sent using multiple HTTP requests, or contiguous mode where + * the request data will be sent in a single HTTP request. + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] request Current request. + * @param[in] handle rlm_rest_handle_t to configure. + * @param[in] func to pass to libcurl for chunked. + * transfers (NULL if not using chunked mode). + * @return 0 on success -1 on error. + */ +static int rest_request_config_body(UNUSED rlm_rest_t *instance, rlm_rest_section_t *section, + REQUEST *request, rlm_rest_handle_t *handle, rest_read_t func) +{ + rlm_rest_curl_context_t *ctx = handle->ctx; + CURL *candle = handle->handle; + + CURLcode ret = CURLE_OK; + char const *option = "unknown"; + + ssize_t len; + + /* + * We were provided with no read function, assume this means + * no body should be sent. + */ + if (!func) { + SET_OPTION(CURLOPT_POSTFIELDSIZE, 0); + return 0; + } + + /* + * Chunked transfer encoding means the body will be sent in + * multiple parts. + */ + if (section->chunk > 0) { + SET_OPTION(CURLOPT_READDATA, &ctx->request); + SET_OPTION(CURLOPT_READFUNCTION, func); + + return 0; + } + + /* + * If were not doing chunked encoding then we read the entire + * body into a buffer, and send it in one go. + */ + len = rest_request_encode_wrapper(&ctx->body, func, REST_BODY_MAX_LEN, &ctx->request); + if (len <= 0) { + REDEBUG("Failed creating HTTP body content"); + return -1; + } + + SET_OPTION(CURLOPT_POSTFIELDS, ctx->body); + SET_OPTION(CURLOPT_POSTFIELDSIZE, len); + + return 0; + +error: + REDEBUG("Failed setting curl option %s: %s (%i)", option, curl_easy_strerror(ret), ret); + + return -1; +} + +/** Configures request curlopts. + * + * Configures libcurl handle setting various curlopts for things like local + * client time, Content-Type, and other FreeRADIUS custom headers. + * + * Current FreeRADIUS custom headers are: + * - X-FreeRADIUS-Section The module section being processed. + * - X-FreeRADIUS-Server The current virtual server the REQUEST is + * passing through. + * + * Sets up callbacks for all response processing (buffers and body data). + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] handle to configure. + * @param[in] request Current request. + * @param[in] method to use (HTTP verbs PUT, POST, DELETE etc...). + * @param[in] type Content-Type for request encoding, also sets the default for decoding. + * @param[in] username to use for HTTP authentication, may be NULL in which case configured defaults will be used. + * @param[in] password to use for HTTP authentication, may be NULL in which case configured defaults will be used. + * @param[in] uri buffer containing the expanded URI to send the request to. + * @return 0 on success (all opts configured) -1 on error. + */ +int rest_request_config(rlm_rest_t *instance, rlm_rest_section_t *section, + REQUEST *request, void *handle, http_method_t method, + http_body_type_t type, + char const *uri, char const *username, char const *password) +{ + rlm_rest_handle_t *randle = handle; + rlm_rest_curl_context_t *ctx = randle->ctx; + CURL *candle = randle->handle; + + http_auth_type_t auth = section->auth; + + CURLcode ret = CURLE_OK; + char const *option = "unknown"; + char const *content_type; + + VALUE_PAIR *header; + vp_cursor_t headers; + + char buffer[512]; + + rad_assert(candle); + rad_assert((!username && !password) || (username && password)); + + buffer[(sizeof(buffer) - 1)] = '\0'; + + /* + * Setup any header options and generic headers. + */ + SET_OPTION(CURLOPT_URL, uri); + SET_OPTION(CURLOPT_NOSIGNAL, 1); + SET_OPTION(CURLOPT_USERAGENT, "FreeRADIUS " RADIUSD_VERSION_STRING); + + /* + * As described in https://curl.se/libcurl/c/CURLOPT_HTTP_VERSION.html, + * The libcurl decides which http version should be + * used by default accoring by library version. + */ + if (instance->http_negotiation != CURL_HTTP_VERSION_NONE) { + RDEBUG3("Set HTTP negotiation for %s", instance->http_negotiation_str); + SET_OPTION(CURLOPT_HTTP_VERSION, instance->http_negotiation); + } + + content_type = fr_int2str(http_content_type_table, type, section->body_str); + snprintf(buffer, sizeof(buffer), "Content-Type: %s", content_type); + ctx->headers = curl_slist_append(ctx->headers, buffer); + if (!ctx->headers) goto error_header; + + // Pass configuration to the request + ctx->request.section = section; + + SET_OPTION(CURLOPT_CONNECTTIMEOUT_MS, instance->connect_timeout); + SET_OPTION(CURLOPT_TIMEOUT_MS, section->timeout); + +#ifdef CURLOPT_PROTOCOLS + SET_OPTION(CURLOPT_PROTOCOLS, (CURLPROTO_HTTP | CURLPROTO_HTTPS)); +#endif + + /* + * FreeRADIUS custom headers + */ + RDEBUG3("Adding custom headers:"); + RINDENT(); + snprintf(buffer, sizeof(buffer), "X-FreeRADIUS-Section: %s", section->name); + RDEBUG3("%s", buffer); + ctx->headers = curl_slist_append(ctx->headers, buffer); + if (!ctx->headers) goto error_header; + + snprintf(buffer, sizeof(buffer), "X-FreeRADIUS-Server: %s", request->server); + RDEBUG3("%s", buffer); + ctx->headers = curl_slist_append(ctx->headers, buffer); + if (!ctx->headers) goto error_header; + + fr_cursor_init(&headers, &request->config); + while (fr_cursor_next_by_num(&headers, PW_REST_HTTP_HEADER, 0, TAG_ANY)) { + header = fr_cursor_remove(&headers); + if (!strchr(header->vp_strvalue, ':')) { + RWDEBUG("Invalid HTTP header \"%s\" must be in format '<attribute>: <value>'. Skipping...", + header->vp_strvalue); + talloc_free(header); + continue; + } + RDEBUG3("%s", header->vp_strvalue); + ctx->headers = curl_slist_append(ctx->headers, header->vp_strvalue); + talloc_free(header); + } + REXDENT(); + + /* + * Configure HTTP verb (GET, POST, PUT, PATCH, DELETE, other...) + */ + switch (method) { + case HTTP_METHOD_GET: + SET_OPTION(CURLOPT_HTTPGET, 1L); + break; + + case HTTP_METHOD_POST: + SET_OPTION(CURLOPT_POST, 1L); + break; + + case HTTP_METHOD_PUT: + /* + * Do not set CURLOPT_PUT, this will cause libcurl + * to ignore CURLOPT_POSTFIELDs and attempt to read + * whatever was set with CURLOPT_READDATA, which by + * default is stdin. + * + * This is many cases will cause the server to block, + * indefinitely. + */ + SET_OPTION(CURLOPT_CUSTOMREQUEST, "PUT"); + break; + + case HTTP_METHOD_PATCH: + SET_OPTION(CURLOPT_CUSTOMREQUEST, "PATCH"); + break; + + case HTTP_METHOD_DELETE: + SET_OPTION(CURLOPT_CUSTOMREQUEST, "DELETE"); + break; + + case HTTP_METHOD_CUSTOM: + SET_OPTION(CURLOPT_CUSTOMREQUEST, section->method_str); + break; + + default: + rad_assert(0); + break; + }; + + /* + * Set user based authentication parameters + */ + if (auth) { + if ((auth >= HTTP_AUTH_BASIC) && + (auth <= HTTP_AUTH_ANY_SAFE)) { + SET_OPTION(CURLOPT_HTTPAUTH, http_curl_auth[auth]); + + if (username) { + SET_OPTION(CURLOPT_USERNAME, username); + } else if (section->username) { + if (radius_xlat(buffer, sizeof(buffer), request, section->username, NULL, NULL) < 0) { + option = STRINGIFY(CURLOPT_USERNAME); + goto error; + } + SET_OPTION(CURLOPT_USERNAME, buffer); + } + + if (password) { + SET_OPTION(CURLOPT_PASSWORD, password); + } else if (section->password) { + if (radius_xlat(buffer, sizeof(buffer), request, section->password, NULL, NULL) < 0) { + option = STRINGIFY(CURLOPT_PASSWORD); + goto error; + } + SET_OPTION(CURLOPT_PASSWORD, buffer); + } +#ifdef CURLOPT_TLSAUTH_USERNAME + } else if (auth == HTTP_AUTH_TLS_SRP) { + SET_OPTION(CURLOPT_TLSAUTH_TYPE, http_curl_auth[auth]); + + if (username) { + SET_OPTION(CURLOPT_TLSAUTH_USERNAME, username); + } else if (section->username) { + if (radius_xlat(buffer, sizeof(buffer), request, section->username, NULL, NULL) < 0) { + option = STRINGIFY(CURLOPT_TLSAUTH_USERNAME); + goto error; + } + SET_OPTION(CURLOPT_TLSAUTH_USERNAME, buffer); + } + + if (password) { + SET_OPTION(CURLOPT_TLSAUTH_PASSWORD, password); + } else if (section->password) { + if (radius_xlat(buffer, sizeof(buffer), request, section->password, NULL, NULL) < 0) { + option = STRINGIFY(CURLOPT_TLSAUTH_PASSWORD); + goto error; + } + SET_OPTION(CURLOPT_TLSAUTH_PASSWORD, buffer); + } +#endif + } + } + + /* + * Set SSL/TLS authentication parameters + */ + if (section->tls_certificate_file) { + SET_OPTION(CURLOPT_SSLCERT, section->tls_certificate_file); + } + + if (section->tls_private_key_file) { + SET_OPTION(CURLOPT_SSLKEY, section->tls_private_key_file); + } + + if (section->tls_private_key_password) { + SET_OPTION(CURLOPT_KEYPASSWD, section->tls_private_key_password); + } + + if (section->tls_ca_file) { + SET_OPTION(CURLOPT_ISSUERCERT, section->tls_ca_file); + } + + if (section->tls_ca_info_file) { + SET_OPTION(CURLOPT_CAINFO, section->tls_ca_info_file); + } + + if (section->tls_ca_path) { + SET_OPTION(CURLOPT_CAPATH, section->tls_ca_path); + } + + if (section->tls_random_file) { + SET_OPTION(CURLOPT_RANDOM_FILE, section->tls_random_file); + } + + SET_OPTION(CURLOPT_SSL_VERIFYPEER, (section->tls_check_cert == true) ? 1 : 0); + SET_OPTION(CURLOPT_SSL_VERIFYHOST, (section->tls_check_cert_cn == true) ? 2 : 0); + + /* + * Tell CURL how to get HTTP body content, and how to process incoming data. + */ + rest_response_init(request, &ctx->response, type); + + SET_OPTION(CURLOPT_HEADERFUNCTION, rest_response_header); + SET_OPTION(CURLOPT_HEADERDATA, &ctx->response); + SET_OPTION(CURLOPT_WRITEFUNCTION, rest_response_body); + SET_OPTION(CURLOPT_WRITEDATA, &ctx->response); + + /* + * Force parsing the body text as a particular encoding. + */ + ctx->response.force_to = section->force_to; + + switch (method) { + case HTTP_METHOD_GET: + case HTTP_METHOD_DELETE: + RDEBUG3("Using a HTTP method which does not require a body. Forcing request body type to \"none\""); + goto finish; + + case HTTP_METHOD_POST: + case HTTP_METHOD_PUT: + case HTTP_METHOD_PATCH: + case HTTP_METHOD_CUSTOM: + if (section->chunk > 0) { + ctx->request.chunk = section->chunk; + + ctx->headers = curl_slist_append(ctx->headers, "Expect:"); + if (!ctx->headers) goto error_header; + + ctx->headers = curl_slist_append(ctx->headers, "Transfer-Encoding: chunked"); + if (!ctx->headers) goto error_header; + } + + RDEBUG3("Request body content-type will be \"%s\"", + fr_int2str(http_content_type_table, type, section->body_str)); + break; + + default: + rad_assert(0); + }; + + /* + * Setup encoder specific options + */ + switch (type) { + case HTTP_BODY_NONE: + if (rest_request_config_body(instance, section, request, handle, + NULL) < 0) { + return -1; + } + + break; + + case HTTP_BODY_CUSTOM_XLAT: + { + rest_custom_data_t *data; + char *expanded = NULL; + + if (radius_axlat(&expanded, request, section->data, NULL, NULL) < 0) { + return -1; + } + + data = talloc_zero(request, rest_custom_data_t); + data->p = expanded; + + /* Use the encoder specific pointer to store the data we need to encode */ + ctx->request.encoder = data; + if (rest_request_config_body(instance, section, request, handle, + rest_encode_custom) < 0) { + TALLOC_FREE(ctx->request.encoder); + return -1; + } + + break; + } + + case HTTP_BODY_CUSTOM_LITERAL: + { + rest_custom_data_t *data; + + data = talloc_zero(request, rest_custom_data_t); + data->p = section->data; + + /* Use the encoder specific pointer to store the data we need to encode */ + ctx->request.encoder = data; + if (rest_request_config_body(instance, section, request, handle, + rest_encode_custom) < 0) { + TALLOC_FREE(ctx->request.encoder); + return -1; + } + } + break; + +#ifdef HAVE_JSON + case HTTP_BODY_JSON: + rest_request_init(request, &ctx->request, true); + + if (rest_request_config_body(instance, section, request, handle, + rest_encode_json) < 0) { + return -1; + } + + break; +#endif + + case HTTP_BODY_POST: + rest_request_init(request, &ctx->request, false); + + if (rest_request_config_body(instance, section, request, handle, + rest_encode_post) < 0) { + return -1; + } + + break; + + default: + rad_assert(0); + } + + +finish: + SET_OPTION(CURLOPT_HTTPHEADER, ctx->headers); + + return 0; + +error: + REDEBUG("Failed setting curl option %s: %s (%i)", option, curl_easy_strerror(ret), ret); + return -1; + +error_header: + REDEBUG("Failed creating header"); + REXDENT(); + return -1; +} + +/** Sends a REST (HTTP) request. + * + * Send the actual REST request to the server. The response will be handled by + * the numerous callbacks configured in rest_request_config. + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] request Current request. + * @param[in] handle to use. + * @return 0 on success or -1 on error. + */ +int rest_request_perform(UNUSED rlm_rest_t *instance, UNUSED rlm_rest_section_t *section, + REQUEST *request, void *handle) +{ + rlm_rest_handle_t *randle = handle; + CURL *candle = randle->handle; + CURLcode ret; + VALUE_PAIR *vp; + + ret = curl_easy_perform(candle); + if (ret != CURLE_OK) { + REDEBUG("Request failed: %i - %s", ret, curl_easy_strerror(ret)); + + return -1; + } + + /* + * Save the HTTP return status code. + */ + vp = pair_make_reply("REST-HTTP-Status-Code", NULL, T_OP_SET); + vp->vp_integer = rest_get_handle_code(handle); + + RDEBUG2("Adding reply:REST-HTTP-Status-Code = \"%d\"", vp->vp_integer); + + return 0; +} + +/** Sends the response to the correct decode function. + * + * Uses the Content-Type information written in rest_response_header to + * determine the correct decode function to use. The decode function will + * then convert the raw received data into VALUE_PAIRs. + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] request Current request. + * @param[in] handle to use. + * @return 0 on success or -1 on error. + */ +int rest_response_decode(rlm_rest_t *instance, rlm_rest_section_t *section, REQUEST *request, void *handle) +{ + rlm_rest_handle_t *randle = handle; + rlm_rest_curl_context_t *ctx = randle->ctx; + + int ret = -1; /* -Wsometimes-uninitialized */ + + if (!ctx->response.buffer) { + RDEBUG2("Skipping attribute processing, no valid body data received"); + return 0; + } + + switch (ctx->response.type) { + case HTTP_BODY_NONE: + return 0; + + case HTTP_BODY_PLAIN: + ret = rest_decode_plain(instance, section, request, handle, ctx->response.buffer, ctx->response.used); + break; + + case HTTP_BODY_POST: + ret = rest_decode_post(instance, section, request, handle, ctx->response.buffer, ctx->response.used); + break; + +#ifdef HAVE_JSON + case HTTP_BODY_JSON: + ret = rest_decode_json(instance, section, request, handle, ctx->response.buffer, ctx->response.used); + break; +#endif + + case HTTP_BODY_UNSUPPORTED: + case HTTP_BODY_UNAVAILABLE: + case HTTP_BODY_INVALID: + return -1; + + default: + rad_assert(0); + } + + return ret; +} + +/** Cleans up after a REST request. + * + * Resets all options associated with a CURL handle, and frees any headers + * associated with it. + * + * Calls rest_read_ctx_free and rest_response_free to free any memory used by + * context data. + * + * @param[in] instance configuration data. + * @param[in] section configuration data. + * @param[in] handle to cleanup. + */ +void rest_request_cleanup(UNUSED rlm_rest_t *instance, UNUSED rlm_rest_section_t *section, void *handle) +{ + rlm_rest_handle_t *randle = handle; + rlm_rest_curl_context_t *ctx = randle->ctx; + CURL *candle = randle->handle; + + /* + * Clear any previously configured options + */ + curl_easy_reset(candle); + + /* + * Free header list + */ + if (ctx->headers != NULL) { + curl_slist_free_all(ctx->headers); + ctx->headers = NULL; + } + + /* + * Free body data (only used if chunking is disabled) + */ + if (ctx->body != NULL) { + free(ctx->body); + ctx->body = NULL; + } + + /* + * Free response data + */ + if (ctx->response.buffer) { + free(ctx->response.buffer); + ctx->response.buffer = NULL; + } + + TALLOC_FREE(ctx->request.encoder); + TALLOC_FREE(ctx->response.decoder); +} + +/** URL encodes a string. + * + * Encode special chars as per RFC 3986 section 4. + * + * @param[in] request Current request. + * @param[out] out Where to write escaped string. + * @param[in] outlen Size of out buffer. + * @param[in] raw string to be urlencoded. + * @param[in] arg pointer, gives context for escaping. + * @return length of data written to out (excluding NULL). + */ +size_t rest_uri_escape(UNUSED REQUEST *request, char *out, size_t outlen, char const *raw, UNUSED void *arg) +{ + char *escaped; + + escaped = curl_escape(raw, strlen(raw)); + strlcpy(out, escaped, outlen); + curl_free(escaped); + + return strlen(out); +} + +/** Builds URI; performs XLAT expansions and encoding. + * + * Splits the URI into "http://example.org" and "/%{xlat}/query/?bar=foo" + * Both components are expanded, but values expanded for the second component + * are also url encoded. + * + * @param[out] out Where to write the pointer to the new buffer containing the escaped URI. + * @param[in] instance configuration data. + * @param[in] uri configuration data. + * @param[in] request Current request + * @return length of data written to buffer (excluding NULL) or < 0 if an error + * occurred. + */ +ssize_t rest_uri_build(char **out, UNUSED rlm_rest_t *instance, REQUEST *request, char const *uri) +{ + char const *p; + char *path_exp = NULL; + + char *scheme; + char const *path; + + ssize_t len; + + p = uri; + + /* + * All URLs must contain at least <scheme>://<server>/ + */ + p = strchr(p, ':'); + if (!p || (*++p != '/') || (*++p != '/')) { + malformed: + REDEBUG("Error URI is malformed, can't find start of path"); + return -1; + } + p = strchr(p + 1, '/'); + if (!p) { + goto malformed; + } + + len = (p - uri); + + /* + * Allocate a temporary buffer to hold the first part of the URI + */ + scheme = talloc_array(request, char, len + 1); + strlcpy(scheme, uri, len + 1); + + path = (uri + len); + + len = radius_axlat(out, request, scheme, NULL, NULL); + talloc_free(scheme); + if (len < 0) { + TALLOC_FREE(*out); + + return 0; + } + + len = radius_axlat(&path_exp, request, path, rest_uri_escape, NULL); + if (len < 0) { + TALLOC_FREE(*out); + + return 0; + } + + MEM(*out = talloc_strdup_append(*out, path_exp)); + talloc_free(path_exp); + + return talloc_array_length(*out) - 1; /* array_length includes \0 */ +} + +/** Unescapes the host portion of a URI string + * + * This is required because the xlat functions which operate on the input string + * cannot distinguish between host and path components. + * + * @param[out] out Where to write the pointer to the new buffer containing the escaped URI. + * @param[in] instance configuration data. + * @param[in] request Current request + * @param[in] handle to use. + * @param[in] uri configuration data. + * @return length of data written to buffer (excluding NULL) or < 0 if an error + * occurred. + */ +ssize_t rest_uri_host_unescape(char **out, UNUSED rlm_rest_t *instance, REQUEST *request, + void *handle, char const *uri) +{ + rlm_rest_handle_t *randle = handle; + CURL *candle = randle->handle; + + char const *p, *q; + + char *scheme; + + ssize_t len; + + p = uri; + + /* + * All URLs must contain at least <scheme>://<server>/ + */ + p = strchr(p, ':'); + if (!p || (*++p != '/') || (*++p != '/')) { + malformed: + REDEBUG("Error URI is malformed, can't find start of path"); + return -1; + } + p = strchr(p + 1, '/'); + if (!p) { + goto malformed; + } + + len = (p - uri); + + /* + * Unescape any special sequences in the first part of the URI + */ + scheme = curl_easy_unescape(candle, uri, len, NULL); + if (!scheme) { + REDEBUG("Error unescaping host"); + return -1; + } + + /* + * URIs can't contain spaces, so anything after the space must + * be something else. + */ + q = strchr(p, ' '); + *out = q ? talloc_typed_asprintf(request, "%s%.*s", scheme, (int)(q - p), p) : + talloc_typed_asprintf(request, "%s%s", scheme, p); + + MEM(*out); + curl_free(scheme); + + return talloc_array_length(*out) - 1; /* array_length includes \0 */ +} diff --git a/src/modules/rlm_rest/rest.h b/src/modules/rlm_rest/rest.h new file mode 100644 index 0000000..4c41cf4 --- /dev/null +++ b/src/modules/rlm_rest/rest.h @@ -0,0 +1,323 @@ +/* + * 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 of the License, 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, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +/** + * $Id$ + * + * @brief Function prototypes and datatypes for the REST (HTTP) transport. + * @file rest.h + * + * @copyright 2012-2014 Arran Cudbard-Bell <a.cudbard-bell@freeradius.org> + */ + +RCSIDH(other_h, "$Id$") + +#include <freeradius-devel/connection.h> +#include "config.h" + +#define CURL_NO_OLDIES 1 +#include <curl/curl.h> + +#ifdef HAVE_WDOCUMENTATION +DIAG_OFF(documentation) +#endif + +#ifdef HAVE_JSON +# if defined(HAVE_JSONMC_JSON_H) +# include <json-c/json.h> +# elif defined(HAVE_JSON_JSON_H) +# include <json/json.h> +# endif +#endif + +#ifdef HAVE_WDOCUMENTATION +DIAG_ON(documentation) +#endif + +#define REST_URI_MAX_LEN 2048 +#define REST_BODY_MAX_LEN 8192 +#define REST_BODY_INIT 1024 +#define REST_BODY_MAX_ATTRS 256 + +typedef enum { + HTTP_METHOD_UNKNOWN = 0, + HTTP_METHOD_GET, + HTTP_METHOD_POST, + HTTP_METHOD_PUT, + HTTP_METHOD_PATCH, + HTTP_METHOD_DELETE, + HTTP_METHOD_CUSTOM //!< Must always come last, should not be in method table +} http_method_t; + +typedef enum { + HTTP_BODY_UNKNOWN = 0, + HTTP_BODY_UNSUPPORTED, + HTTP_BODY_UNAVAILABLE, + HTTP_BODY_INVALID, + HTTP_BODY_NONE, + HTTP_BODY_CUSTOM_XLAT, + HTTP_BODY_CUSTOM_LITERAL, + HTTP_BODY_POST, + HTTP_BODY_JSON, + HTTP_BODY_XML, + HTTP_BODY_YAML, + HTTP_BODY_HTML, + HTTP_BODY_PLAIN, + HTTP_BODY_NUM_ENTRIES +} http_body_type_t; + +typedef enum { + HTTP_AUTH_UNKNOWN = 0, + HTTP_AUTH_NONE, + HTTP_AUTH_TLS_SRP, + HTTP_AUTH_BASIC, + HTTP_AUTH_DIGEST, + HTTP_AUTH_DIGEST_IE, + HTTP_AUTH_GSSNEGOTIATE, + HTTP_AUTH_NTLM, + HTTP_AUTH_NTLM_WB, + HTTP_AUTH_ANY, + HTTP_AUTH_ANY_SAFE, + HTTP_AUTH_NUM_ENTRIES +} http_auth_type_t; + +/* + * Must be updated (in rest.c) if additional values are added to + * http_body_type_t + */ +extern const http_body_type_t http_body_type_supported[HTTP_BODY_NUM_ENTRIES]; + +extern const unsigned long http_curl_auth[HTTP_AUTH_NUM_ENTRIES]; + +extern const FR_NAME_NUMBER http_auth_table[]; + +extern const FR_NAME_NUMBER http_method_table[]; + +extern const FR_NAME_NUMBER http_body_type_table[]; + +extern const FR_NAME_NUMBER http_content_type_table[]; + +extern const FR_NAME_NUMBER http_negotiation_table[]; + +/* + * Structure for section configuration + */ +typedef struct rlm_rest_section_t { + char const *name; //!< Section name. + char const *uri; //!< URI to send HTTP request to. + + char const *method_str; //!< The string version of the HTTP method. + http_method_t method; //!< What HTTP method should be used, GET, POST etc... + + char const *body_str; //!< The string version of the encoding/content type. + http_body_type_t body; //!< What encoding type should be used. + + bool attr_num; //!< If true, the the attribute number is supplied for each attribute. + bool raw_value; //!< If true, enumerated attributes are provided as a numeric value + + char const *force_to_str; //!< Force decoding with this decoder. + http_body_type_t force_to; //!< Override the Content-Type header in the response + //!< to force decoding as a particular type. + + char const *data; //!< Custom body data (optional). + + char const *auth_str; //!< The string version of the Auth-Type. + http_auth_type_t auth; //!< HTTP auth type. + bool require_auth; //!< Whether HTTP-Auth is required or not. + char const *username; //!< Username used for HTTP-Auth + char const *password; //!< Password used for HTTP-Auth + + char const *tls_certificate_file; + char const *tls_private_key_file; + char const *tls_private_key_password; + char const *tls_ca_file; + char const *tls_ca_info_file; + char const *tls_ca_path; + char const *tls_random_file; + bool tls_check_cert; + bool tls_check_cert_cn; + + struct timeval timeout_tv; //!< Timeout timeval. + long timeout; //!< Timeout in ms. + uint32_t chunk; //!< Max chunk-size (mainly for testing the encoders) +} rlm_rest_section_t; + +/* + * Structure for module configuration + */ +typedef struct rlm_rest_t { + char const *xlat_name; //!< Instance name. + + char const *connect_uri; //!< URI we attempt to connect to, to pre-establish + //!< TCP connections. + + struct timeval connect_timeout_tv; //!< Connection timeout timeval. + long connect_timeout; //!< Connection timeout ms. + + char const *http_negotiation_str; //!< The string version of the http_negotiation + long http_negotiation; //!< The HTTP protocol version to use + + fr_connection_pool_t *pool; //!< Pointer to the connection pool. + + rlm_rest_section_t authorize; //!< Configuration specific to authorisation. + rlm_rest_section_t authenticate; //!< Configuration specific to authentication. + rlm_rest_section_t preacct; //!< Configuration specific to preacct. + rlm_rest_section_t accounting; //!< Configuration specific to accounting. + rlm_rest_section_t checksimul; //!< Configuration specific to simultaneous session + //!< checking. + rlm_rest_section_t post_auth; //!< Configuration specific to Post-auth + + rlm_rest_section_t pre_proxy; //!< Configuration specific to pre_proxy + rlm_rest_section_t post_proxy; //!< Configuration specific to post_proxy + +#ifdef WITH_COA + rlm_rest_section_t recv_coa; //!< Configuration specific to recv-coa +#endif +} rlm_rest_t; + +/* + * States for stream based attribute encoders + */ +typedef enum { + READ_STATE_INIT = 0, + READ_STATE_ATTR_BEGIN, + READ_STATE_ATTR_CONT, + READ_STATE_ATTR_END, + READ_STATE_END, +} read_state_t; + +/* + * States for the response parser + */ +typedef enum { + WRITE_STATE_INIT = 0, + WRITE_STATE_PARSE_HEADERS, + WRITE_STATE_PARSE_CONTENT, + WRITE_STATE_DISCARD, +} write_state_t; + +/* + * Outbound data context (passed to CURLOPT_READFUNCTION as CURLOPT_READDATA) + */ +typedef struct rlm_rest_request_t { + rlm_rest_t *instance; //!< This instance of rlm_rest. + REQUEST *request; //!< Current request. + read_state_t state; //!< Encoder state + + vp_cursor_t cursor; //!< Cursor pointing to the start of the list to encode. + + size_t chunk; //!< Chunk size + + rlm_rest_section_t *section; //!< Configuration data + + void *encoder; //!< Encoder specific data. +} rlm_rest_request_t; + +/* + * Curl inbound data context (passed to CURLOPT_WRITEFUNCTION and + * CURLOPT_HEADERFUNCTION as CURLOPT_WRITEDATA and CURLOPT_HEADERDATA) + */ +typedef struct rlm_rest_response_t { + rlm_rest_t *instance; //!< This instance of rlm_rest. + REQUEST *request; //!< Current request. + write_state_t state; //!< Decoder state. + + char *buffer; //!< Raw incoming HTTP data. + size_t alloc; //!< Space allocated for buffer. + size_t used; //!< Space used in buffer. + + int code; //!< HTTP Status Code. + http_body_type_t type; //!< HTTP Content Type. + http_body_type_t force_to; //!< Force decoding the body type as a particular encoding. + + void *decoder; //!< Decoder specific data. +} rlm_rest_response_t; + +/* + * Curl context data + */ +typedef struct rlm_rest_curl_context_t { + struct curl_slist *headers; //!< Any HTTP headers which will be sent with the + //!< request. + + char *body; //!< Pointer to the buffer which contains body data/ + //!< Only used when not performing chunked encoding. + + rlm_rest_request_t request; //!< Request context data. + rlm_rest_response_t response; //!< Response context data. +} rlm_rest_curl_context_t; + +/* + * Connection API handle + */ +typedef struct rlm_rest_handle_t { + void *handle; //!< Real Handle. + rlm_rest_curl_context_t *ctx; //!< Context. +} rlm_rest_handle_t; + +/* + * Function prototype for rest_read_wrapper. Matches CURL's + * CURLOPT_READFUNCTION prototype. + */ +typedef size_t (*rest_read_t)(void *ptr, size_t size, size_t nmemb, + void *userdata); + +/* + * Connection API callbacks + */ +int rest_init(rlm_rest_t *instance); + +void rest_cleanup(void); + +void *mod_conn_create(TALLOC_CTX *ctx, void *instance); + +int mod_conn_alive(void *instance, void *handle); + +/* + * Request processing API + */ +int rest_request_config(rlm_rest_t *instance, + rlm_rest_section_t *section, REQUEST *request, + void *handle, http_method_t method, + http_body_type_t type, char const *uri, + char const *username, char const *password) CC_HINT(nonnull (1,2,3,4,7)); + +int rest_request_perform(rlm_rest_t *instance, + rlm_rest_section_t *section, REQUEST *request, + void *handle); + +int rest_response_decode(rlm_rest_t *instance, + UNUSED rlm_rest_section_t *section, REQUEST *request, + void *handle); + +void rest_response_error(REQUEST *request, rlm_rest_handle_t *handle); + +void rest_request_cleanup(rlm_rest_t *instance, rlm_rest_section_t *section, + void *handle); + +#define rest_get_handle_code(handle)(((rlm_rest_curl_context_t*)((rlm_rest_handle_t*)handle)->ctx)->response.code) + +#define rest_get_handle_type(handle)(((rlm_rest_curl_context_t*)((rlm_rest_handle_t*)handle)->ctx)->response.type) + +size_t rest_get_handle_data(char const **out, rlm_rest_handle_t *handle); + +/* + * Helper functions + */ +size_t rest_uri_escape(UNUSED REQUEST *request, char *out, size_t outlen, char const *raw, UNUSED void *arg); +ssize_t rest_uri_build(char **out, rlm_rest_t *instance, REQUEST *request, char const *uri); +ssize_t rest_uri_host_unescape(char **out, UNUSED rlm_rest_t *instance, REQUEST *request, + void *handle, char const *uri); diff --git a/src/modules/rlm_rest/rlm_rest.c b/src/modules/rlm_rest/rlm_rest.c new file mode 100644 index 0000000..1337ae5 --- /dev/null +++ b/src/modules/rlm_rest/rlm_rest.c @@ -0,0 +1,1003 @@ +/* + * This program is 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 of the License, 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, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +/** + * $Id$ + * @file rlm_rest.c + * @brief Integrate FreeRADIUS with RESTfull APIs + * + * @copyright 2012-2014 Arran Cudbard-Bell <arran.cudbardb@freeradius.org> + */ +RCSID("$Id$") + +#include <freeradius-devel/radiusd.h> +#include <freeradius-devel/modules.h> +#include <freeradius-devel/token.h> +#include <freeradius-devel/rad_assert.h> + +#include <ctype.h> +#include "rest.h" + +/* + * TLS Configuration + */ +static CONF_PARSER tls_config[] = { + { "ca_file", FR_CONF_OFFSET(PW_TYPE_FILE_INPUT, rlm_rest_section_t, tls_ca_file), NULL }, + { "ca_info_file", FR_CONF_OFFSET(PW_TYPE_FILE_INPUT, rlm_rest_section_t, tls_ca_info_file), NULL }, + { "ca_path", FR_CONF_OFFSET(PW_TYPE_FILE_INPUT, rlm_rest_section_t, tls_ca_path), NULL }, + { "certificate_file", FR_CONF_OFFSET(PW_TYPE_FILE_INPUT, rlm_rest_section_t, tls_certificate_file), NULL }, + { "private_key_file", FR_CONF_OFFSET(PW_TYPE_FILE_INPUT, rlm_rest_section_t, tls_private_key_file), NULL }, + { "private_key_password", FR_CONF_OFFSET(PW_TYPE_STRING | PW_TYPE_SECRET, rlm_rest_section_t, tls_private_key_password), NULL }, + { "random_file", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_section_t, tls_random_file), NULL }, + { "check_cert", FR_CONF_OFFSET(PW_TYPE_BOOLEAN, rlm_rest_section_t, tls_check_cert), "yes" }, + { "check_cert_cn", FR_CONF_OFFSET(PW_TYPE_BOOLEAN, rlm_rest_section_t, tls_check_cert_cn), "yes" }, + CONF_PARSER_TERMINATOR +}; + +/* + * A mapping of configuration file names to internal variables. + * + * Note that the string is dynamically allocated, so it MUST + * be freed. When the configuration file parse re-reads the string, + * it free's the old one, and strdup's the new one, placing the pointer + * to the strdup'd string into 'config.string'. This gets around + * buffer over-flows. + */ +static const CONF_PARSER section_config[] = { + { "uri", FR_CONF_OFFSET(PW_TYPE_STRING | PW_TYPE_XLAT, rlm_rest_section_t, uri), "" }, + { "method", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_section_t, method_str), "GET" }, + { "body", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_section_t, body_str), "none" }, + { "attr_num", FR_CONF_OFFSET(PW_TYPE_BOOLEAN, rlm_rest_section_t, attr_num), "no" }, + { "raw_value", FR_CONF_OFFSET(PW_TYPE_BOOLEAN, rlm_rest_section_t, raw_value), "no" }, + { "data", FR_CONF_OFFSET(PW_TYPE_STRING | PW_TYPE_XLAT, rlm_rest_section_t, data), NULL }, + { "force_to", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_section_t, force_to_str), NULL }, + + /* User authentication */ + { "auth", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_section_t, auth_str), "none" }, + { "username", FR_CONF_OFFSET(PW_TYPE_STRING | PW_TYPE_XLAT, rlm_rest_section_t, username), NULL }, + { "password", FR_CONF_OFFSET(PW_TYPE_STRING | PW_TYPE_XLAT, rlm_rest_section_t, password), NULL }, + { "require_auth", FR_CONF_OFFSET(PW_TYPE_BOOLEAN, rlm_rest_section_t, require_auth), "no" }, + + /* Transfer configuration */ + { "timeout", FR_CONF_OFFSET(PW_TYPE_TIMEVAL, rlm_rest_section_t, timeout_tv), "4.0" }, + { "chunk", FR_CONF_OFFSET(PW_TYPE_INTEGER, rlm_rest_section_t, chunk), "0" }, + + /* TLS Parameters */ + { "tls", FR_CONF_POINTER(PW_TYPE_SUBSECTION, NULL), (void const *) tls_config }, + CONF_PARSER_TERMINATOR +}; + +static const CONF_PARSER module_config[] = { + { "connect_uri", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_t, connect_uri), NULL }, + { "connect_timeout", FR_CONF_OFFSET(PW_TYPE_TIMEVAL, rlm_rest_t, connect_timeout_tv), "4.0" }, + { "http_negotiation", FR_CONF_OFFSET(PW_TYPE_STRING, rlm_rest_t, http_negotiation_str), "default" }, + + CONF_PARSER_TERMINATOR +}; + +static int rlm_rest_perform(rlm_rest_t *instance, rlm_rest_section_t *section, void *handle, REQUEST *request, + char const *username, char const *password) +{ + ssize_t uri_len; + char *uri = NULL; + + int ret; + + RDEBUG("Expanding URI components"); + + /* + * Build xlat'd URI, this allows REST servers to be specified by + * request attributes. + */ + uri_len = rest_uri_build(&uri, instance, request, section->uri); + if (uri_len <= 0) return -1; + + RDEBUG("Sending HTTP %s to \"%s\"", fr_int2str(http_method_table, section->method, NULL), uri); + + /* + * Configure various CURL options, and initialise the read/write + * context data. + */ + ret = rest_request_config(instance, section, request, handle, section->method, section->body, + uri, username, password); + talloc_free(uri); + if (ret < 0) return -1; + + /* + * Send the CURL request, pre-parse headers, aggregate incoming + * HTTP body data into a single contiguous buffer. + */ + ret = rest_request_perform(instance, section, request, handle); + if (ret < 0) return -1; + + return 0; +} + +static void rlm_rest_cleanup(rlm_rest_t *instance, rlm_rest_section_t *section, void *handle) +{ + rest_request_cleanup(instance, section, handle); +} + +static ssize_t jsonquote_xlat(UNUSED void *instance, UNUSED REQUEST *request, + char const *fmt, char *out, size_t outlen) +{ + char const *p; + size_t freespace = outlen; + size_t len; + + for (p = fmt; *p != '\0'; p++) { + /* Indicate truncation */ + if (freespace < 3) { + *out = '\0'; + return outlen + 1; + } + + if (*p == '"') { + *out++ = '\\'; + *out++ = '"'; + freespace -= 2; + } else if (*p == '\\') { + *out++ = '\\'; + *out++ = '\\'; + freespace -= 2; + } else if (*p == '/') { + *out++ = '\\'; + *out++ = '/'; + freespace -= 2; + } else if (*p >= ' ') { + *out++ = *p; + freespace--; + /* + * Unprintable chars + */ + } else { + *out++ = '\\'; + freespace--; + + switch (*p) { + case '\b': + *out++ = 'b'; + freespace--; + break; + + case '\f': + *out++ = 'f'; + freespace--; + break; + + case '\n': + *out++ = 'n'; + freespace--; + break; + + case '\r': + *out++ = 'r'; + freespace--; + break; + + case '\t': + *out++ = 't'; + freespace--; + break; + + default: + len = snprintf(out, freespace, "u%04X", (uint8_t) *p); + if (is_truncated(len, freespace)) return (outlen - freespace) + len; + out += len; + freespace -= len; + } + } + } + + *out = '\0'; + + return outlen - freespace; +} +/* + * Simple xlat to read text data from a URL + */ +static ssize_t rest_xlat(void *instance, REQUEST *request, + char const *fmt, char *out, size_t freespace) +{ + rlm_rest_t *inst = instance; + void *handle; + int hcode; + int ret; + ssize_t len, outlen = 0; + char *uri = NULL; + char const *p = fmt, *q; + char const *body; + http_method_t method; + + /* There are no configurable parameters other than the URI */ + rlm_rest_section_t section = { + .name = "xlat", + .method = HTTP_METHOD_GET, + .body = HTTP_BODY_NONE, + .attr_num = false, + .raw_value = false, + .body_str = "application/x-www-form-urlencoded", + .require_auth = false, + .force_to = HTTP_BODY_PLAIN + }; + *out = '\0'; + + rad_assert(fmt); + + RDEBUG("Expanding URI components"); + + handle = fr_connection_get(inst->pool); + if (!handle) return -1; + + /* + * Extract the method from the start of the format string (if there is one) + */ + method = fr_substr2int(http_method_table, p, HTTP_METHOD_UNKNOWN, -1); + if (method != HTTP_METHOD_UNKNOWN) { + section.method = method; + p += strlen(http_method_table[method].name); + } + + /* + * Trim whitespace + */ + while (isspace(*p) && p++); + + /* + * Unescape parts of xlat'd URI, this allows REST servers to be specified by + * request attributes. + */ + len = rest_uri_host_unescape(&uri, instance, request, handle, p); + if (len <= 0) { + outlen = -1; + goto finish; + } + + /* + * Extract freeform body data (url can't contain spaces) + */ + q = strchr(p, ' '); + if (q && (*++q != '\0')) { + section.body = HTTP_BODY_CUSTOM_LITERAL; + section.data = q; + } + + RDEBUG("Sending HTTP %s to \"%s\"", fr_int2str(http_method_table, section.method, NULL), uri); + + /* + * Configure various CURL options, and initialise the read/write + * context data. + * + * @todo We could extract the User-Name and password from the URL string. + */ + ret = rest_request_config(instance, §ion, request, handle, section.method, section.body, + uri, NULL, NULL); + talloc_free(uri); + if (ret < 0) { + outlen = -1; + goto finish; + } + + /* + * Send the CURL request, pre-parse headers, aggregate incoming + * HTTP body data into a single contiguous buffer. + */ + ret = rest_request_perform(instance, §ion, request, handle); + if (ret < 0) { + outlen = -1; + goto finish; + } + + hcode = rest_get_handle_code(handle); + switch (hcode) { + case 404: + case 410: + case 403: + case 401: + { + outlen = -1; +error: + rest_response_error(request, handle); + goto finish; + } + case 204: + goto finish; + + default: + /* + * Attempt to parse content if there was any. + */ + if ((hcode >= 200) && (hcode < 300)) { + break; + } else if (hcode < 500) { + outlen = -2; + goto error; + } else { + outlen = -1; + goto error; + } + } + + len = rest_get_handle_data(&body, handle); + if ((size_t) len >= freespace) { + REDEBUG("Insufficient space to write HTTP response, needed %zu bytes, have %zu bytes", len + 1, + freespace); + outlen = -1; + goto finish; + } + if (len > 0) { + outlen = len; + strlcpy(out, body, len + 1); /* strlcpy takes the size of the buffer */ + } + +finish: + rlm_rest_cleanup(instance, §ion, handle); + + fr_connection_release(inst->pool, handle); + + return outlen; +} + +/* + * Find the named user in this modules database. Create the set + * of attribute-value pairs to check and reply with for this user + * from the database. The authentication code only needs to check + * the password, the rest is done here. + */ +static rlm_rcode_t CC_HINT(nonnull) mod_authorize(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->authorize; + + void *handle; + int hcode; + int rcode = RLM_MODULE_OK; + int ret; + + if (!section->name) return RLM_MODULE_NOOP; + + handle = fr_connection_get(inst->pool); + if (!handle) return RLM_MODULE_FAIL; + + ret = rlm_rest_perform(instance, section, handle, request, NULL, NULL); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + goto finish; + } + + hcode = rest_get_handle_code(handle); + switch (hcode) { + case 404: + case 410: + rcode = RLM_MODULE_NOTFOUND; + break; + + case 403: + rcode = RLM_MODULE_USERLOCK; + break; + + case 401: + /* + * Attempt to parse content if there was any. + */ + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + break; + } + + rcode = RLM_MODULE_REJECT; + break; + + case 204: + rcode = RLM_MODULE_OK; + break; + + default: + /* + * Attempt to parse content if there was any. + */ + if ((hcode >= 200) && (hcode < 300)) { + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) rcode = RLM_MODULE_FAIL; + else if (ret == 0) rcode = RLM_MODULE_OK; + else rcode = RLM_MODULE_UPDATED; + break; + } else if (hcode < 500) { + rcode = RLM_MODULE_INVALID; + } else { + rcode = RLM_MODULE_FAIL; + } + } + +finish: + switch (rcode) { + case RLM_MODULE_INVALID: + case RLM_MODULE_FAIL: + case RLM_MODULE_USERLOCK: + rest_response_error(request, handle); + break; + + default: + break; + } + + rlm_rest_cleanup(instance, section, handle); + + fr_connection_release(inst->pool, handle); + + return rcode; +} + +/* + * Authenticate the user with the given password. + */ +static rlm_rcode_t CC_HINT(nonnull) mod_authenticate(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->authenticate; + + void *handle; + int hcode; + int rcode = RLM_MODULE_OK; + int ret; + + VALUE_PAIR const *username; + VALUE_PAIR const *password; + + if (!section->name) return RLM_MODULE_NOOP; + + username = request->username; + if (!request->username) { + REDEBUG("Can't perform authentication, 'User-Name' attribute not found in the request"); + + return RLM_MODULE_INVALID; + } + + password = request->password; + if (!password || + (password->da->attr != PW_USER_PASSWORD)) { + REDEBUG("You set 'Auth-Type = REST' for a request that does not contain a User-Password attribute!"); + return RLM_MODULE_INVALID; + } + + handle = fr_connection_get(inst->pool); + if (!handle) return RLM_MODULE_FAIL; + + ret = rlm_rest_perform(instance, section, handle, request, username->vp_strvalue, password->vp_strvalue); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + goto finish; + } + + hcode = rest_get_handle_code(handle); + switch (hcode) { + case 404: + case 410: + rcode = RLM_MODULE_NOTFOUND; + break; + + case 403: + rcode = RLM_MODULE_USERLOCK; + break; + + case 401: + /* + * Attempt to parse content if there was any. + */ + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + break; + } + + rcode = RLM_MODULE_REJECT; + break; + + case 204: + rcode = RLM_MODULE_OK; + break; + + default: + /* + * Attempt to parse content if there was any. + */ + if ((hcode >= 200) && (hcode < 300)) { + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) rcode = RLM_MODULE_FAIL; + else if (ret == 0) rcode = RLM_MODULE_OK; + else rcode = RLM_MODULE_UPDATED; + break; + } else if (hcode < 500) { + rcode = RLM_MODULE_INVALID; + } else { + rcode = RLM_MODULE_FAIL; + } + } + +finish: + switch (rcode) { + case RLM_MODULE_INVALID: + case RLM_MODULE_FAIL: + case RLM_MODULE_USERLOCK: + rest_response_error(request, handle); + break; + + default: + break; + } + + rlm_rest_cleanup(instance, section, handle); + + fr_connection_release(inst->pool, handle); + + return rcode; +} + +/* + * Do common work. + */ +static rlm_rcode_t CC_HINT(nonnull) mod_common(rlm_rest_t *inst, REQUEST *request, rlm_rest_section_t *section) +{ + void *handle; + int hcode; + int rcode = RLM_MODULE_OK; + int ret; + + if (!section->name) return RLM_MODULE_NOOP; + + handle = fr_connection_get(inst->pool); + if (!handle) return RLM_MODULE_FAIL; + + ret = rlm_rest_perform(inst, section, handle, request, NULL, NULL); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + goto finish; + } + + hcode = rest_get_handle_code(handle); + if (hcode >= 500) { + rcode = RLM_MODULE_FAIL; + } else if (hcode == 204) { + rcode = RLM_MODULE_OK; + } else if ((hcode >= 200) && (hcode < 300)) { + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) rcode = RLM_MODULE_FAIL; + else if (ret == 0) rcode = RLM_MODULE_OK; + else rcode = RLM_MODULE_UPDATED; + } else { + rcode = RLM_MODULE_INVALID; + } + +finish: + switch (rcode) { + case RLM_MODULE_INVALID: + case RLM_MODULE_FAIL: + rest_response_error(request, handle); + break; + + default: + break; + } + + rlm_rest_cleanup(inst, section, handle); + + fr_connection_release(inst->pool, handle); + + return rcode; +} + + +/* + * Send preacct info to a REST API endpoint + */ +static rlm_rcode_t CC_HINT(nonnull) mod_preacct(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->preacct; + + return mod_common(inst, request, section); +} +/* + * Send accounting info to a REST API endpoint + */ +static rlm_rcode_t CC_HINT(nonnull) mod_accounting(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->accounting; + + return mod_common(inst, request, section); +} + +/* + * Send post-auth info to a REST API endpoint + */ +static rlm_rcode_t CC_HINT(nonnull) mod_post_auth(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->post_auth; + + return mod_common(inst, request, section); +} + +/* + * Send pre-proxy info to a REST API endpoint + */ +static rlm_rcode_t CC_HINT(nonnull) mod_pre_proxy(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->pre_proxy; + + return mod_common(inst, request, section); +} + +/* + * Send post-proxy info to a REST API endpoint + */ +static rlm_rcode_t CC_HINT(nonnull) mod_post_proxy(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->post_proxy; + + return mod_common(inst, request, section); +} + +#ifdef WITH_COA +/* + * Create the set of attribute-value pairs to check and reply + * with for this user from the database. + */ +static rlm_rcode_t CC_HINT(nonnull) mod_recv_coa(void *instance, REQUEST *request) +{ + rlm_rest_t *inst = instance; + rlm_rest_section_t *section = &inst->recv_coa; + + void *handle; + int hcode; + int rcode = RLM_MODULE_OK; + int ret; + + if (!section->name) return RLM_MODULE_NOOP; + + handle = fr_connection_get(inst->pool); + if (!handle) return RLM_MODULE_FAIL; + + ret = rlm_rest_perform(instance, section, handle, request, NULL, NULL); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + goto finish; + } + + hcode = rest_get_handle_code(handle); + switch (hcode) { + case 404: + case 410: + rcode = RLM_MODULE_NOTFOUND; + break; + + case 403: + rcode = RLM_MODULE_USERLOCK; + break; + + case 401: + /* + * Attempt to parse content if there was any. + */ + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) { + rcode = RLM_MODULE_FAIL; + break; + } + + rcode = RLM_MODULE_REJECT; + break; + + case 204: + rcode = RLM_MODULE_OK; + break; + + default: + /* + * Attempt to parse content if there was any. + */ + if ((hcode >= 200) && (hcode < 300)) { + ret = rest_response_decode(inst, section, request, handle); + if (ret < 0) rcode = RLM_MODULE_FAIL; + else if (ret == 0) rcode = RLM_MODULE_OK; + else rcode = RLM_MODULE_UPDATED; + break; + } else if (hcode < 500) { + rcode = RLM_MODULE_INVALID; + } else { + rcode = RLM_MODULE_FAIL; + } + } + +finish: + switch (rcode) { + case RLM_MODULE_INVALID: + case RLM_MODULE_FAIL: + case RLM_MODULE_USERLOCK: + rest_response_error(request, handle); + break; + + default: + break; + } + + rlm_rest_cleanup(instance, section, handle); + + fr_connection_release(inst->pool, handle); + + return rcode; +} +#endif + +static int parse_sub_section(CONF_SECTION *parent, rlm_rest_section_t *config, rlm_components_t comp) +{ + CONF_SECTION *cs; + + char const *name = section_type_value[comp].section; + + cs = cf_section_sub_find(parent, name); + if (!cs) { + config->name = NULL; + return 0; + } + + if (cf_section_parse(cs, config, section_config) < 0) { + config->name = NULL; + return -1; + } + + /* + * Add section name (Maybe add to headers later?). + */ + config->name = name; + + /* + * Sanity check + */ + if ((config->username && !config->password) || (!config->username && config->password)) { + cf_log_err_cs(cs, "'username' and 'password' must both be set or both be absent"); + + return -1; + } + + /* + * Convert HTTP method auth and body type strings into their integer equivalents. + */ + config->auth = fr_str2int(http_auth_table, config->auth_str, HTTP_AUTH_UNKNOWN); + if (config->auth == HTTP_AUTH_UNKNOWN) { + cf_log_err_cs(cs, "Unknown HTTP auth type '%s'", config->auth_str); + + return -1; + } else if ((config->auth != HTTP_AUTH_NONE) && !http_curl_auth[config->auth]) { + cf_log_err_cs(cs, "Unsupported HTTP auth type \"%s\", check libcurl version, OpenSSL build " + "configuration, then recompile this module", config->auth_str); + + return -1; + } + + config->method = fr_str2int(http_method_table, config->method_str, HTTP_METHOD_CUSTOM); + config->timeout = ((config->timeout_tv.tv_usec / 1000) + (config->timeout_tv.tv_sec * 1000)); + + /* + * We don't have any custom user data, so we need to select the right encoder based + * on the body type. + * + * To make this slightly more/less confusing, we accept both canonical body_types, + * and content_types. + */ + if (!config->data) { + config->body = fr_str2int(http_body_type_table, config->body_str, HTTP_BODY_UNKNOWN); + if (config->body == HTTP_BODY_UNKNOWN) { + config->body = fr_str2int(http_content_type_table, config->body_str, HTTP_BODY_UNKNOWN); + } + + if (config->body == HTTP_BODY_UNKNOWN) { + cf_log_err_cs(cs, "Unknown HTTP body type '%s'", config->body_str); + return -1; + } + + switch (http_body_type_supported[config->body]) { + case HTTP_BODY_UNSUPPORTED: + cf_log_err_cs(cs, "Unsupported HTTP body type \"%s\", please submit patches", + config->body_str); + return -1; + + case HTTP_BODY_INVALID: + cf_log_err_cs(cs, "Invalid HTTP body type. \"%s\" is not a valid web API data " + "markup format", config->body_str); + return -1; + + case HTTP_BODY_UNAVAILABLE: + cf_log_err_cs(cs, "Unavailable HTTP body type. \"%s\" is not available in this " + "build", config->body_str); + return -1; + + default: + break; + } + /* + * We have custom body data so we set HTTP_BODY_CUSTOM_XLAT, but also need to try and + * figure out what content-type to use. So if they've used the canonical form we + * need to convert it back into a proper HTTP content_type value. + */ + } else { + http_body_type_t body; + + config->body = HTTP_BODY_CUSTOM_XLAT; + + body = fr_str2int(http_body_type_table, config->body_str, HTTP_BODY_UNKNOWN); + if (body != HTTP_BODY_UNKNOWN) { + config->body_str = fr_int2str(http_content_type_table, body, config->body_str); + } + } + + if (config->force_to_str) { + config->force_to = fr_str2int(http_body_type_table, config->force_to_str, HTTP_BODY_UNKNOWN); + if (config->force_to == HTTP_BODY_UNKNOWN) { + config->force_to = fr_str2int(http_content_type_table, config->force_to_str, HTTP_BODY_UNKNOWN); + } + + if (config->force_to == HTTP_BODY_UNKNOWN) { + cf_log_err_cs(cs, "Unknown forced response body type '%s'", config->force_to_str); + return -1; + } + + switch (http_body_type_supported[config->force_to]) { + case HTTP_BODY_UNSUPPORTED: + cf_log_err_cs(cs, "Unsupported forced response body type \"%s\", please submit patches", + config->force_to_str); + return -1; + + case HTTP_BODY_INVALID: + cf_log_err_cs(cs, "Invalid HTTP forced response body type. \"%s\" is not a valid web API data " + "markup format", config->force_to_str); + return -1; + + default: + break; + } + } + + return 0; +} + + +static int mod_bootstrap(CONF_SECTION *conf, void *instance) +{ + rlm_rest_t *inst = instance; + + inst->xlat_name = cf_section_name2(conf); + if (!inst->xlat_name) inst->xlat_name = cf_section_name1(conf); + + /* + * Register the rest xlat function + */ + xlat_register(inst->xlat_name, rest_xlat, rest_uri_escape, inst); + xlat_register("jsonquote", jsonquote_xlat, NULL, inst); + + return 0; +} + + +/* + * Do any per-module initialization that is separate to each + * configured instance of the module. e.g. set up connections + * to external databases, read configuration files, set up + * dictionary entries, etc. + * + * If configuration information is given in the config section + * that must be referenced in later calls, store a handle to it + * in *instance otherwise put a null pointer there. + */ +static int mod_instantiate(CONF_SECTION *conf, void *instance) +{ + rlm_rest_t *inst = instance; + + /* + * Parse sub-section configs. + */ + if ( + (parse_sub_section(conf, &inst->authorize, MOD_AUTHORIZE) < 0) || + (parse_sub_section(conf, &inst->authenticate, MOD_AUTHENTICATE) < 0) || + (parse_sub_section(conf, &inst->preacct, MOD_PREACCT) < 0) || + (parse_sub_section(conf, &inst->accounting, MOD_ACCOUNTING) < 0) || + (parse_sub_section(conf, &inst->pre_proxy, MOD_PRE_PROXY) < 0) || + (parse_sub_section(conf, &inst->post_proxy, MOD_POST_PROXY) < 0) || + +#ifdef WITH_COA + (parse_sub_section(conf, &inst->recv_coa, MOD_RECV_COA) < 0) || +#endif + +/* @todo add behaviour for checksimul */ +/* (parse_sub_section(conf, &inst->checksimul, MOD_SESSION) < 0) || */ + (parse_sub_section(conf, &inst->post_auth, MOD_POST_AUTH) < 0)) + { + return -1; + } + + inst->http_negotiation = fr_str2int(http_negotiation_table, inst->http_negotiation_str, -1); + if (inst->http_negotiation == -1) { + cf_log_err_cs(conf, "Unsupported HTTP version \"%s\".", inst->http_negotiation_str); + return -1; + } + + /* + * Initialise REST libraries. + */ + if (rest_init(inst) < 0) { + return -1; + } + + inst->connect_timeout = ((inst->connect_timeout_tv.tv_usec / 1000) + + (inst->connect_timeout_tv.tv_sec * 1000)); + inst->pool = fr_connection_pool_module_init(conf, inst, mod_conn_create, mod_conn_alive, NULL); + if (!inst->pool) return -1; + + return 0; +} + +/* + * Only free memory we allocated. The strings allocated via + * cf_section_parse() do not need to be freed. + */ +static int mod_detach(void *instance) +{ + rlm_rest_t *inst = instance; + + fr_connection_pool_free(inst->pool); + + /* Free any memory used by libcurl */ + rest_cleanup(); + + return 0; +} + +/* + * The module name should be the only globally exported symbol. + * That is, everything else should be 'static'. + * + * If the module needs to temporarily modify it's instantiation + * data, the type should be changed to RLM_TYPE_THREAD_UNSAFE. + * The server will then take care of ensuring that the module + * is single-threaded. + */ +extern module_t rlm_rest; +module_t rlm_rest = { + .magic = RLM_MODULE_INIT, + .name = "rest", + .type = RLM_TYPE_THREAD_SAFE, + .inst_size = sizeof(rlm_rest_t), + .config = module_config, + .bootstrap = mod_bootstrap, + .instantiate = mod_instantiate, + .detach = mod_detach, + .methods = { + [MOD_AUTHENTICATE] = mod_authenticate, + [MOD_AUTHORIZE] = mod_authorize, + [MOD_PREACCT] = mod_preacct, + [MOD_ACCOUNTING] = mod_accounting, + [MOD_POST_AUTH] = mod_post_auth, + [MOD_PRE_PROXY] = mod_pre_proxy, + [MOD_POST_PROXY] = mod_post_proxy, +#ifdef WITH_COA + [MOD_RECV_COA] = mod_recv_coa +#endif + }, +}; |