236 lines
7.2 KiB
Bash
Executable file
236 lines
7.2 KiB
Bash
Executable file
#!/bin/sh
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# Show all commands when run with environment variable VERBOSE=yes.
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test -z "$VERBOSE" || set -x
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test "$USE_ACL" = 0 &&
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{
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echo "Skipping test: insufficient ACL support"
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exit 77
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}
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# func_tmpdir
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# creates a temporary directory.
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# Sets variable
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# - tmp pathname of freshly created temporary directory
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func_tmpdir ()
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{
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# Use the environment variable TMPDIR, falling back to /tmp. This allows
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# users to specify a different temporary directory, for example, if their
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# /tmp is filled up or too small.
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: "${TMPDIR=/tmp}"
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{
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# Use the mktemp program if available. If not available, hide the error
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# message.
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tmp=`(umask 077 && mktemp -d "$TMPDIR/glXXXXXX") 2>/dev/null` &&
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test -n "$tmp" && test -d "$tmp"
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} ||
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{
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# Use a simple mkdir command. It is guaranteed to fail if the directory
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# already exists. $RANDOM is bash specific and expands to empty in shells
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# other than bash, ksh and zsh. Its use does not increase security;
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# rather, it minimizes the probability of failure in a very cluttered /tmp
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# directory.
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tmp=$TMPDIR/gl$$-$RANDOM
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(umask 077 && mkdir "$tmp")
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} ||
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{
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echo "$0: cannot create a temporary directory in $TMPDIR" >&2
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exit 1
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}
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}
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func_tmpdir
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# builddir may already be set by the script that invokes this one.
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case "$builddir" in
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'') builddir=`pwd` ;;
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/* | ?:*) ;;
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*) builddir=`pwd`/$builddir ;;
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esac
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cd "$builddir" ||
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{
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echo "$0: cannot determine build directory (unreadable parent dir?)" >&2
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exit 1
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}
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# Switch to a temporary directory, to increase the likelihood that ACLs are
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# supported on the current file system. (/tmp is usually locally mounted,
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# whereas the build dir is sometimes NFS-mounted.)
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( cd "$tmp"
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# Prepare tmpfile0.
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rm -f tmpfile[0-9]
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echo "Simple contents" > tmpfile0
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chmod 600 tmpfile0
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# Classification of the platform according to the programs available for
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# manipulating ACLs.
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# Possible values are:
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# linux, cygwin, freebsd, solaris, hpux, hpuxjfs, osf1, aix, macosx, irix, none.
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# TODO: Support also native Windows platforms (mingw).
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acl_flavor=none
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if (getfacl tmpfile0 >/dev/null) 2>/dev/null; then
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# Platforms with the getfacl and setfacl programs.
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# Linux, FreeBSD, Solaris, Cygwin.
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if (setfacl --help >/dev/null) 2>/dev/null; then
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# Linux, Cygwin.
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if (LC_ALL=C setfacl --help | grep ' --set-file' >/dev/null) 2>/dev/null; then
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# Linux.
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acl_flavor=linux
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else
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acl_flavor=cygwin
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fi
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else
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# FreeBSD, Solaris.
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if (LC_ALL=C setfacl 2>&1 | grep '\-x entries' >/dev/null) 2>/dev/null; then
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# FreeBSD.
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acl_flavor=freebsd
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else
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# Solaris.
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acl_flavor=solaris
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fi
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fi
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else
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if (lsacl / >/dev/null) 2>/dev/null; then
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# Platforms with the lsacl and chacl programs.
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# HP-UX, sometimes also IRIX.
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if (getacl tmpfile0 >/dev/null) 2>/dev/null; then
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# HP-UX 11.11 or newer.
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acl_flavor=hpuxjfs
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else
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# HP-UX 11.00.
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acl_flavor=hpux
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fi
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else
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if (getacl tmpfile0 >/dev/null) 2>/dev/null; then
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# Tru64, NonStop Kernel.
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if (getacl -m tmpfile0 >/dev/null) 2>/dev/null; then
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# Tru64.
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acl_flavor=osf1
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else
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# NonStop Kernel.
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acl_flavor=nsk
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fi
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else
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if (aclget tmpfile0 >/dev/null) 2>/dev/null; then
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# AIX.
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acl_flavor=aix
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else
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if (fsaclctl -v >/dev/null) 2>/dev/null; then
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# Mac OS X.
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acl_flavor=macosx
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else
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if test -f /sbin/chacl; then
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# IRIX.
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acl_flavor=irix
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fi
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fi
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fi
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fi
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fi
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fi
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if test $acl_flavor != none; then
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# A POSIX compliant 'id' program.
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if test -f /usr/xpg4/bin/id; then
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ID=/usr/xpg4/bin/id
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else
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ID=id
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fi
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# Use a user and group id different from the current one, to avoid
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# redundant/ambiguous ACLs.
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myuid=`$ID -u`
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mygid=`$ID -g`
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auid=1
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if test "$auid" = "$myuid"; then auid=2; fi
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agid=1
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if test "$agid" = "$mygid"; then agid=2; fi
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fi
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for mode in 700 400 200 100 644 650 605 011 4700 2070; do
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rm -f tmpfile0 tmpfile1 tmpfile2
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# Prepare a file with no ACL.
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echo "Anything" > tmpfile0
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# If a mode is not supported (e.g. 2070 on FreeBSD), we skip testing it.
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if chmod $mode tmpfile0 2>/dev/null; then
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modestring0=`ls -l tmpfile0 | dd ibs=1 count=10 2>/dev/null`
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# Prepare a file with no ACL.
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echo "Some contents" > tmpfile1
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chmod 600 tmpfile1
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# Try to set the ACL to only the given mode.
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${CHECKER} "$builddir"/test-set-mode-acl${EXEEXT} tmpfile1 $mode
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# Verify that tmpfile1 has no ACL and has the desired mode.
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modestring=`ls -l tmpfile1 | dd ibs=1 count=10 2>/dev/null`
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if test "x$modestring" != "x$modestring0"; then
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echo "mode = $mode: tmpfile1 has wrong mode: $modestring" 1>&2
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exit 1
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fi
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if test `${CHECKER} "$builddir"/test-file-has-acl${EXEEXT} tmpfile1` != no; then
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echo "mode = $mode: tmpfile1 got an ACL" 1>&2
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exit 1
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fi
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if test $acl_flavor != none; then
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# Prepare a file with an ACL.
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echo "Special contents" > tmpfile2
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chmod 600 tmpfile2
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# Set an ACL for a user (or group).
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case $acl_flavor in
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linux | freebsd | solaris)
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setfacl -m user:$auid:1 tmpfile0
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;;
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cygwin)
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# Group 1 in Cygwin corresponds to the DIALUP users (cf.
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# <https://learn.microsoft.com/en-us/windows/win32/secauthz/well-known-sids>).
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setfacl -m group:1:1 tmpfile0
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;;
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hpux)
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orig=`lsacl tmpfile0 | sed -e 's/ tmpfile0$//'`
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chacl -r "${orig}($auid.%,--x)" tmpfile0
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;;
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hpuxjfs)
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orig=`lsacl tmpfile0 | sed -e 's/ tmpfile0$//'`
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chacl -r "${orig}($auid.%,--x)" tmpfile0 \
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|| setacl -m user:$auid:1 tmpfile0
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;;
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osf1)
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setacl -u user:$auid:1 tmpfile0
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;;
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nsk)
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setacl -m user:$auid:1 tmpfile0
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;;
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aix)
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{ aclget tmpfile0 | sed -e 's/disabled$/enabled/'; echo " permit --x u:$auid"; } | aclput tmpfile0
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;;
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macosx)
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/bin/chmod +a "user:daemon allow execute" tmpfile0
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;;
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irix)
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/sbin/chacl user::rw-,group::---,other::---,user:$auid:--x tmpfile0
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;;
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esac
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# Try to set the ACL to only the given mode.
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${CHECKER} "$builddir"/test-set-mode-acl${EXEEXT} tmpfile2 $mode
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# Verify that tmpfile2 has no ACL and has the desired mode.
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modestring=`ls -l tmpfile2 | dd ibs=1 count=10 2>/dev/null`
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if test "x$modestring" != "x$modestring0"; then
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echo "mode = $mode: tmpfile2 has wrong mode: $modestring" 1>&2
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exit 1
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fi
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if test `${CHECKER} "$builddir"/test-file-has-acl${EXEEXT} tmpfile2` != no; then
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echo "mode = $mode: tmpfile2 still has an ACL" 1>&2
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exit 1
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fi
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fi
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fi
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done
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rm -f tmpfile[0-9]
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) || exit 1
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rm -rf "$tmp"
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exit 0
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