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git://git.sv.gnu.org/coreutils
synced 2026-05-06 15:16:37 -04:00
Bruno Haible
46f856156f
* tests/misc/user.sh: Modify the "unshare -U logname" test, so that it does not fail on glibc versions (< 2.28, >= 2.38) that do a fallback lookup based on the tty.
34 lines
1.2 KiB
Bash
Executable File
34 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2026 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 <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ whoami logname
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skip_if_root_
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unshare -U unshare --version || skip_ 'unshare -U is unavailable'
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overflow_uid=$(cat /proc/sys/kernel/overflowuid) ||
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skip_ 'overflow uid is unavailable'
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test "$(unshare -U whoami)" = "$(id -un $overflow_uid)" || fail=1
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# The "</dev/null" disables a fallback lookup via utmp/utmpx,
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# that existed in glibc < 2.28 and exists again in glibc >= 2.38.
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returns_ 1 unshare -U logname </dev/null 2>err || fail=1
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test "$(cat err)" = "logname: no login name" || fail=1
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Exit $fail
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