105 lines
3.4 KiB
Bash
Executable file
105 lines
3.4 KiB
Bash
Executable file
#!/bin/sh
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# Exercise "id --zero".
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# Copyright (C) 2013-2025 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ id
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u="$( id -nu )"
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id || fail=1
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id "$u" || fail=1
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# id(1) should refuse --zero in default format.
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echo 'id: option --zero not permitted in default format' > err-exp \
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|| framework_failure_
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id --zero > out 2>err && fail=1
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compare /dev/null out || fail=1
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compare err-exp err || fail=1
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# Create a nice list of users.
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# Add $USER to ensure we have at least one explicit entry.
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users="$u"
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# Add a few typical users to test single group and multiple groups.
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for u in root man postfix sshd nobody ; do
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id $u >/dev/null 2>&1 && users="$users $u"
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done
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# Add $users and '' (implicit $USER) to list to process.
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printf '%s\n' $users '' >> users || framework_failure_
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# Exercise "id -z" with various options.
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printf '\n' > exp || framework_failure_
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> out || framework_failure_
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while read u ; do
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for o in g gr G Gr u ur ; do
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for n in '' n ; do
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printf '%s: ' "id -${o}${n}[z] $u" >> exp || framework_failure_
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printf '\n%s: ' "id -${o}${n}[z] $u" >> out || framework_failure_
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# There may be no name corresponding to an id, so don't check
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# exit status when in name lookup mode
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id -${o}${n} $u >> exp ||
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{ test $? -ne 1 || test -z "$n" && fail=1; }
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id -${o}${n}z $u > tmp ||
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{ test $? -ne 1 || test -z "$n" && fail=1; }
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head -c-1 < tmp >> out || framework_failure_
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done
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done
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done < users
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printf '\n' >> out || framework_failure_
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tr '\0' ' ' < out > out2 || framework_failure_
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compare exp out2 || fail=1
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# multiuser testing with -z
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# test if the options work, these tests should pass if the above tests
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# do.
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for o in g gr u ur ; do
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for n in '' n ; do
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id -${o}${n} $users >> tmp1 ||
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{ test $? -ne 1 || test -z "$n" && fail=1; }
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id -${o}${n}z $users > tmp2 ||
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{ test $? -ne 1 || test -z "$n" && fail=1; }
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tr '\0' '\n' < tmp2 >> tmp3
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done
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done
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compare tmp1 tmp3 || fail=1
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# Separate checks when we are testing for multiple users && -G.
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# This is done because we terminate the records with two NULs
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# instead of a regular single NUL.
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NL='
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'
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for o in G Gr ; do
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for n in '' n ; do
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id -${o}${n} $users >> gtmp1 ||
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{ test $? -ne 1 || test -z "$n" && fail=1; }
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echo >> gtmp1 || framework_failure_
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id -${o}${n}z $users > gtmp2 ||
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{ test $? -ne 1 || test -z "$n" && fail=1; }
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# we replace all NULs with spaces, the result we get is there are two
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# consecutive spaces instead of two NUL's, we pass this to sed
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# to replace more than 1 space with a newline. This is ideally where a new
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# line should be. This should make the output similar to without -z.
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{ tr '\0' ' ' < gtmp2; echo; } | sed "s/ /\\$NL/g" >> gtmp3
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done
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done
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compare gtmp1 gtmp3 || fail=1
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Exit $fail
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