1 # This file is sourced by init.sh, *before* its initialization.
3 # Copyright (C) 2010-2016 Free Software Foundation, Inc.
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # This goes hand in hand with the "exec 9>&2;" in tests/Makefile.am's
19 # TESTS_ENVIRONMENT definition.
22 # Having an unsearchable directory in PATH causes execve to fail with EACCES
23 # when applied to an unresolvable program name, contrary to the desired ENOENT.
24 # Avoid the problem by rewriting PATH to exclude unsearchable directories.
25 # Also, if PATH lacks /sbin and/or /usr/sbin, append it/them.
28 # FIXME: remove double quotes around $IFS when all tests use init.sh.
29 # They constitute a work-around for a bug in FreeBSD 8.1's /bin/sh.
30 local saved_IFS="$IFS"
39 test -z "$d" && d1=. || d1=$d
40 if ls -d "$d1/." > /dev/null 2>&1; then
41 new_path="$new_path$colon$d"
46 for d in /sbin /usr/sbin ; do
49 *) new_path="$new_path:$d" ;;
60 test "$INT_MAX" || fatal_ "running getlimits"
63 require_no_default_acl_()
65 if getfacl --version < /dev/null > /dev/null 2>&1; then
66 getfacl "$1" | grep '^default:' && skip_ 'Default ACL detected'
68 ls -ld "$1" | grep '.........+' && skip_ 'ACL detected'
74 getfacl --version < /dev/null > /dev/null 2>&1 \
75 && setfacl --version < /dev/null > /dev/null 2>&1 \
76 || skip_ "This test requires getfacl and setfacl."
78 id -u bin > /dev/null 2>&1 \
79 || skip_ "This test requires a local user named bin."
84 test $# = 1 || framework_failure_
85 df --local "$1" >/dev/null 2>&1
90 local mount_list_fail='cannot read table of mounted file systems'
91 df --local 2>&1 | grep -F "$mount_list_fail" >/dev/null &&
92 skip_ "$mount_list_fail"
97 cat /proc/self/mountinfo ||
98 cat /proc/self/mounts ||
107 skip_ "This test must be run on a local file system."
112 # When in a chroot of an SELinux-enabled system, but with a mock-simulated
113 # SELinux-*disabled* system, recognize that SELinux is disabled system wide:
114 grep 'selinuxfs$' /proc/filesystems > /dev/null \
115 || skip_ "this system lacks SELinux support"
117 # Independent of whether SELinux is enabled system-wide,
118 # the current file system may lack SELinux support.
119 # Also the current build may have SELinux support disabled.
122 test -z "$CONFIG_HEADER" \
123 && framework_failure_ 'CONFIG_HEADER not defined'
124 grep '^#define HAVE_SELINUX_SELINUX_H 1' "$CONFIG_HEADER" > /dev/null \
125 && selinux_missing_="(file) system" || selinux_missing_="build"
126 skip_ "this $selinux_missing_ lacks SELinux support"
131 # Skip this test if we're not in SELinux "enforcing" mode.
132 require_selinux_enforcing_()
135 test "$(getenforce)" = Enforcing \
136 || skip_ "This test is useful only with SELinux in Enforcing mode."
141 grep 'smackfs$' /proc/filesystems > /dev/null \
142 || skip_ "this system lacks SMACK support"
144 test "$(ls -Zd .)" != '? .' \
145 || skip_ "this file system lacks SMACK support"
148 require_openat_support_()
150 # Skip this test if your system has neither the openat-style functions
151 # nor /proc/self/fd support with which to emulate them.
153 test -z "$CONFIG_HEADER" \
154 && framework_failure_ 'CONFIG_HEADER not defined'
157 grep '^#define HAVE_OPENAT' "$CONFIG_HEADER" > /dev/null && _skip=no
158 test -d /proc/self/fd && _skip=no
159 if test $_skip = yes; then
160 skip_ 'this system lacks openat support'
164 # Return true if command runs with the
165 # ulimit specified in the first argument
173 # Try to disable core dumps which may
174 # occur with memory constraints
175 trap '' SEGV; ulimit -c 0;
181 # Determine the minimum required VM limit to run the given command.
182 # Output that value to stdout ... to be used by the caller.
183 # Return 0 in case of success, and a non-Zero value otherwise.
189 # Increase result by this amount to avoid alignment issues
190 page_size=$(getconf PAGESIZE || echo 4096)
191 page_size=$(($page_size / 1024))
193 for v in $( seq 5000 5000 50000 ); do
194 if ulimit_supported_ $v "$@"; then
197 for v in $( seq $(($prev_v-1000)) -1000 1000 ); do
198 ulimit_supported_ $v "$@" ||
200 ret_v=$((prev_v + $page_size))
208 # The above did not find a working limit. Echo a very small number - just
209 # in case the caller does not handle the non-Zero return value.
213 require_readable_root_()
215 test -r / || skip_ "/ is not readable"
218 # Skip the current test if strace is not available or doesn't work
219 # with the named syscall. Usage: require_strace_ unlink
222 test $# = 1 || framework_failure_
224 strace -V < /dev/null > /dev/null 2>&1 ||
225 skip_ 'no strace program'
227 strace -qe "$1" echo > /dev/null 2>&1 ||
228 skip_ 'strace -qe "'"$1"'" does not work'
230 # On some linux/sparc64 systems, strace works fine on 32-bit executables,
231 # but prints only one line of output for every 64-bit executable.
232 strace -o log-help ls --help >/dev/null || framework_failure_
233 n_lines_help=$(wc -l < log-help)
235 if test $n_lines_help = 0 || test $n_lines_help = 1; then
236 skip_ 'strace produces no more than one line of output'
240 # Skip the current test if valgrind doesn't work,
241 # which could happen if not installed,
242 # or hasn't support for the built architecture,
243 # or hasn't appropriate error suppressions installed etc.
246 valgrind --error-exitcode=1 true 2>/dev/null ||
247 skip_ "requires a working valgrind"
250 # Skip the current test if setfacl doesn't work on the current file system,
251 # which could happen if not installed, or if ACLs are not supported by the
252 # kernel or the file system, or are turned off via mount options.
254 # Work around the following two issues:
256 # 1) setfacl maps ACLs into file permission bits if on "noacl" file systems.
258 # On file systems which do not support ACLs (e.g. ext4 mounted with -o noacl),
259 # setfacl operates on the regular file permission bits, and only fails if the
260 # given ACL spec does not fit into there. Thus, to test if ACLs really work
261 # on the current file system, pass an ACL spec which can't be mapped that way.
262 # "Default" ACLs (-d) seem to fulfill this requirement.
264 # 2) setfacl only invokes the underlying system call if the ACL would change.
266 # If the given ACL spec would not change the ACLs on the file, then setfacl
267 # does not invoke the underlying system call - setxattr(). Therefore, to test
268 # if setting ACLs really works on the current file system, call setfacl twice
269 # with conflictive ACL specs.
272 local d='acltestdir_'
273 mkdir $d || framework_failure_
276 setfacl -d -m user::r-x $d \
277 && setfacl -d -m user::rwx $d \
279 rm -rf $d || framework_failure_
281 || skip_ "setfacl does not work on the current file system"
284 # Require a controlling input 'terminal'.
285 require_controlling_input_terminal_()
287 tty -s || have_input_tty=no
288 test -t 0 || have_input_tty=no
289 if test "$have_input_tty" = no; then
290 skip_ 'requires controlling input terminal
291 This test must have a controlling input "terminal", so it may not be
292 run via "batch", "at", or "ssh". On some systems, it may not even be
293 run in the background.'
301 case " $built_programs " in
303 *) echo "$i: not built" 1>&2; skip_=yes ;;
307 test $skip_ = yes && skip_ "required program(s) not built"
310 require_file_system_bytes_free_()
313 local expr=$(stat -f --printf "$req / %S <= %a" .)
314 $AWK "BEGIN{ exit !($expr) }" \
315 || skip_ "this test needs at least $req bytes of free space"
320 # Make sure id -u succeeds.
322 || { echo "$0: cannot run 'id -u'" 1>&2; return 1; }
324 # Make sure it gives valid output.
328 echo "$0: invalid output ('$my_uid') from 'id -u'" 1>&2
334 get_process_status_()
336 sed -n '/^State:[ ]*\([[:alpha:]]\).*/s//\1/p' /proc/$1/status
339 # Convert an ls-style permission string, like drwxr----x and -rw-r-x-wx
340 # to the equivalent chmod --mode (-m) argument, (=,u=rwx,g=r,o=x and
341 # =,u=rw,g=rx,o=wx). Ignore ACLs.
346 *) echo "$0: wrong number of arguments" 1>&2
347 echo "Usage: $0 ls-style-mode-string" 1>&2
352 [ld-][rwx-][rwx-][rwxsS-][rwx-][rwx-][rwxsS-][rwx-][rwx-][rwxtT-]) ;;
353 [ld-][rwx-][rwx-][rwxsS-][rwx-][rwx-][rwxsS-][rwx-][rwx-][rwxtT-][+.]) ;;
354 *) echo "$0: invalid mode string: $rwx" 1>&2; return;;
357 # Perform these conversions:
362 # The 'T' and 't' ones are only valid for 'other'.
363 s='s/S/@/;s/s/x@/;s/@/s/'
364 t='s/T/@/;s/t/x@/;s/@/t/'
366 u=$(echo $rwx|sed 's/^.\(...\).*/,u=\1/;s/-//g;s/^,u=$//;'$s)
367 g=$(echo $rwx|sed 's/^....\(...\).*/,g=\1/;s/-//g;s/^,g=$//;'$s)
368 o=$(echo $rwx|sed 's/^.......\(...\).*/,o=\1/;s/-//g;s/^,o=$//;'$s';'$t)
372 # Set the global variable stty_reversible_ to a space-separated list of the
373 # reversible settings from stty.c. stty_reversible_ also starts and ends
375 stty_reversible_init_()
377 # Pad start with one space for the first option to match in query function.
378 stty_reversible_=' '$(perl -lne '/^ *{"(.*?)",.*\bREV\b/ and print $1' \
379 "$abs_top_srcdir"/src/stty.c | tr '\n' ' ')
380 # Ensure that there are at least 62, i.e., so we're alerted if
381 # reformatting the source empties the list.
382 test 62 -le $(echo "$stty_reversible_"|wc -w) \
383 || framework_failure_ "too few reversible settings"
386 # Test whether $1 is one of stty's reversible options.
387 stty_reversible_query_()
389 case $stty_reversible_ in
391 framework_failure_ "stty_reversible_init_() not called?";;
402 root) skip_ must be run as root ;;
403 non-root) skip_ must be run as non-root ;;
410 if test "$RUN_VERY_EXPENSIVE_TESTS" != yes; then
411 skip_ 'very expensive: disabled by default
412 This test is very expensive, so it is disabled by default.
413 To run it anyway, rerun make check with the RUN_VERY_EXPENSIVE_TESTS
414 environment variable set to yes. E.g.,
416 env RUN_VERY_EXPENSIVE_TESTS=yes make check
418 or use the shortcut target of the toplevel Makefile,
420 make check-very-expensive
427 if test "$RUN_EXPENSIVE_TESTS" != yes; then
428 skip_ 'expensive: disabled by default
429 This test is relatively expensive, so it is disabled by default.
430 To run it anyway, rerun make check with the RUN_EXPENSIVE_TESTS
431 environment variable set to yes. E.g.,
433 env RUN_EXPENSIVE_TESTS=yes make check
435 or use the shortcut target of the toplevel Makefile,
442 # Test whether we can run our just-built root owned rm,
443 # i.e., that $NON_ROOT_USERNAME has access to the build directory.
446 require_built_ chroot
449 chroot --skip-chdir --user=$NON_ROOT_USERNAME / env PATH="$PATH" \
453 case ":$rm_version:" in
454 :$PACKAGE_VERSION:) ;;
461 uid_is_privileged_ || skip_ "must be run as root"
462 NON_ROOT_USERNAME=${NON_ROOT_USERNAME=nobody}
463 NON_ROOT_GID=${NON_ROOT_GID=$(id -g $NON_ROOT_USERNAME)}
465 # When the current test invokes chroot, call nonroot_has_perm_
466 # to check for a common problem.
467 grep '^[ ]*chroot' "../$0" \
468 && { nonroot_has_perm_ \
469 || skip_ "user $NON_ROOT_USERNAME lacks execute permissions"; }
472 skip_if_root_() { uid_is_privileged_ && skip_ "must be run as non-root"; }
474 # Set 'groups' to a space-separated list of at least two groups
475 # of which the user is a member.
476 require_membership_in_two_groups_()
478 test $# = 0 || framework_failure_
480 groups=${COREUTILS_GROUPS-$( (id -G || /usr/xpg4/bin/id -G) 2>/dev/null)}
483 *) skip_ 'requires membership in two groups
484 this test requires that you be a member of more than one group,
485 but running 'id -G'\'' either failed or found just one. If you really
486 are a member of at least two groups, then rerun this test with
487 COREUTILS_GROUPS set in your environment to the space-separated list
488 of group names or numbers. E.g.,
490 env COREUTILS_GROUPS='\''users cdrom'\'' make check
497 # Is /proc/$PID/status supported?
498 require_proc_pid_status_()
503 grep '^State:[ ]*[S]' /proc/$pid/status > /dev/null 2>&1 ||
504 skip_ "/proc/$pid/status: missing or 'different'"
508 # Does trap support signal names?
509 # Old versions of ash did not.
510 require_trap_signame_()
512 (trap '' CHLD) || skip_ 'requires trap with signal name support'
515 # Does kill support sending signal to whole group?
516 # dash 0.5.8 at least does not.
517 require_kill_group_()
519 kill -0 -- -1 || skip_ 'requires kill with group signalling support'
522 # Return nonzero if the specified path is on a file system for
523 # which FIEMAP support exists. Note some file systems (like ext3 and btrfs)
524 # only support FIEMAP for files, not directories.
527 if ! python < /dev/null; then
528 warn_ 'fiemap_capable_: python missing: assuming not fiemap capable'
531 python "$abs_srcdir"/tests/fiemap-capable "$@"
534 # Skip the current test if "." lacks d_type support.
535 require_dirent_d_type_()
538 || skip_ python missing: assuming no d_type support
540 python "$abs_srcdir"/tests/d_type-check \
541 || skip_ requires d_type support
544 # Skip the current test if we lack Perl.
548 $PERL -e 'use warnings' > /dev/null 2>&1 \
549 || skip_ 'configure did not find a usable version of Perl'
552 # Does the current (working-dir) file system support sparse files?
553 require_sparse_support_()
555 test $# = 0 || framework_failure_
556 # Test whether we can create a sparse file.
557 # For example, on Darwin6.5 with a file system of type hfs, it's not possible.
558 # NTFS requires 128K before a hole appears in a sparse file.
560 dd bs=1 seek=128K of=$t < /dev/null 2> /dev/null
564 if test $kb_size -ge 128; then
565 skip_ 'this file system does not support sparse files'
569 # Compile a shared lib using the GCC options for doing so.
570 # Pass input and output file as parameters respectively.
571 # Any other optional parmeters are passed to $CC.
578 $CC -Wall -shared --std=gnu99 -fPIC -O2 $* "$in" -o "$out" -ldl
581 # There are a myriad of ways to build shared libs,
582 # so we only consider running tests requiring shared libs,
583 # on platforms that support building them as follows.
584 require_gcc_shared_()
586 gcc_shared_ '-' 'd.so' -xc < /dev/null 2>&1 \
587 || skip_ '$CC -shared ... failed to build a shared lib'
593 test $# = 1 || framework_failure_
594 if ! mkfifo "$1"; then
595 # Make an exception of this case -- usually we interpret framework-creation
596 # failure as a test failure. However, in this case, when running on a SunOS
597 # system using a disk NFS mounted from OpenBSD, the above fails like this:
598 # mkfifo: cannot make fifo 'fifo-10558': Not owner
599 skip_ 'unable to create a fifo'
603 # Disable the current test if the working directory seems to have
604 # the setgid bit set.
607 setgid_tmpdir=setgid-$$
608 (umask 77; mkdir $setgid_tmpdir)
609 perms=$(stat --printf %A $setgid_tmpdir)
613 drwxr-xr-x);; # Windows98 + DJGPP 2.03
614 *) skip_ 'this directory has the setgid bit set';;
618 # Skip if files are created with a different group to the current user
619 # This can happen due to a setgid dir, or by some other mechanism on OS X:
620 # http://unix.stackexchange.com/q/63865
621 # http://bugs.gnu.org/14024#41
622 skip_if_nondefault_group_()
625 gen_ug=$(stat -c '%u:%g' grp.$$)
627 test "$gen_ug" = "$(id -ru):$(id -rg)" ||
628 skip_ 'Files are created with a different gid'
631 skip_if_mcstransd_is_running_()
633 test $# = 0 || framework_failure_
635 # When mcstransd is running, you'll see only the 3-component
636 # version of file-system context strings. Detect that,
637 # and if it's running, skip this test.
638 __ctx=$(stat --printf='%C\n' .) || framework_failure_
640 *:*:*:*) ;; # four components is ok
641 *) # anything else probably means mcstransd is running
642 skip_ "unexpected context '$__ctx'; turn off mcstransd" ;;
646 # Skip the current test if umask doesn't work as usual.
647 # This test should be run in the temporary directory that ends
648 # up being removed via the trap commands.
649 working_umask_or_skip_()
654 perms=$(ls -l file1 file2 | sed 's/ .*//' | uniq)
659 '*) skip_ 'your build directory has unusual umask semantics'
663 # Retry a function requiring a sufficient delay to _pass_
664 # using a truncated exponential backoff method.
665 # Example: retry_delay_ dd_reblock_1 .1 6
666 # This example will call the dd_reblock_1 function with
667 # an initial delay of .1 second and call it at most 6 times
668 # with a max delay of 3.2s (doubled each time), or a total of 6.3s
669 # Note ensure you do _not_ quote the parameter to GNU sleep in
670 # your function, as it may contain separate values that sleep
671 # needs to accumulate.
672 # Further function arguments will be forwarded to the test function.
681 local num_sleeps=$attempt
683 while test $attempt -le $max_n_tries; do
684 local delay=$($AWK -v n=$num_sleeps -v s="$init_delay" \
685 'BEGIN { print s * n }')
686 "$test_func" "$delay" "$@" && { time_fail=0; break; } || time_fail=1
687 attempt=$(expr $attempt + 1)
688 num_sleeps=$(expr $num_sleeps '*' 2)
690 test "$time_fail" = 0
693 # Call this with a list of programs under test immediately after
698 if test "$VERBOSE" = yes; then
706 # Are we running on GNU/Hurd?
709 test "$(uname)" = GNU \
710 || skip_ 'not running on GNU/Hurd'