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For files with "special" bits set, we would stat the relative file name in the wrong directory, giving an erroneous ENOENT diagnostic. This issue was introduced with commit v5.92-653-gc1994c1 which changed fts to not change directory on traversal. * src/chmod.c (mode_changed): Use fts->fts_cwd_fd with fstatat rather than stat. All callers changed. * tests/chmod/c-option.sh: Add a test case. * NEWS: Mention the fix. Fixes http://bugs.gnu.org/17035
52 lines
1.5 KiB
Bash
Executable File
52 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# Verify that chmod's --changes (-c) option works.
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# Copyright (C) 2000-2014 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ chmod
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umask 0
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file=f
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touch $file || framework_failure_
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chmod 444 $file || framework_failure_
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skip_if_setgid_
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chmod u=rwx $file || fail=1
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chmod -c g=rwx $file > out || fail=1
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chmod -c g=rwx $file > empty || fail=1
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test -s empty && fail=1
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case "$(cat out)" in
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"mode of 'f' changed from 0744 "?rwxr--r--?" to 0774 "?rwxrwxr--?) ;;
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*) cat out; fail=1 ;;
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esac
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# From V5.1.0 to 8.22 this would stat the wrong file and
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# give an erroneous ENOENT diagnostic
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mkdir -p a/b || framework_failure_
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# chmod g+s might fail as detailed in setgid.sh
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# but we don't care about those edge cases here
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chmod g+s a/b
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# This should never warn, but it did when special
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# bits are set on b (the common case under test)
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chmod -c -R g+w a 2>err
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compare /dev/null err || fail=1
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Exit $fail
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