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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
commit | 378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch) | |
tree | 44dfb6ca500d32cabd450649b322a42e70a30683 /tests/ts/lsns/ioctl_ns | |
parent | Initial commit. (diff) | |
download | util-linux-upstream.tar.xz util-linux-upstream.zip |
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ts/lsns/ioctl_ns')
-rwxr-xr-x | tests/ts/lsns/ioctl_ns | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/tests/ts/lsns/ioctl_ns b/tests/ts/lsns/ioctl_ns new file mode 100755 index 0000000..fa626bf --- /dev/null +++ b/tests/ts/lsns/ioctl_ns @@ -0,0 +1,113 @@ +#!/bin/bash +# +# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com> +# +# This file is part of util-linux. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# + +TS_TOPDIR="${0%/*}/../.." +TS_DESC="ownership and hierarchy" + +. $TS_TOPDIR/functions.sh +ts_init "$*" + +# ts_skip_nonroot +grep -q '#define HAVE_LINUX_NSFS_H' ${top_builddir}/config.h || ts_skip "no ioctl_ns support" + +[ -r /proc/self/ns/user ] || ts_skip "no USER namespace kernel support" +[ -r /proc/self/ns/pid ] || ts_skip "no PID namespace kernel support" + +ts_check_test_command "$TS_CMD_LSNS" +ts_check_test_command "$TS_CMD_UNSHARE" +ts_check_prog "stat" +ts_check_prog "mkfifo" +ts_check_prog "touch" +ts_check_prog "uniq" + +$TS_CMD_UNSHARE --user --pid --mount-proc --fork true &> /dev/null || ts_skip "no namespace support" + +ts_cd "$TS_OUTDIR" + +# The parent process receives namespaces ids via FIFO_DATA from bash +# run by unshare. The parent can wait till the bash process provides +# data. +FIFO_DATA=$TS_OUTDIR/FIFO_DATA-HIERARCHY + +# The bash process run by unshare waits with this fifo till the parent +# process exits. As a result, namespaecs referred by the bash +# process can be alive till the parent process exits. +FIFO_WAIT=$TS_OUTDIR/FIFO_WAIT-HIERARCHY + +function cleanup { + rm -f $FIFO_DATA + rm -f $FIFO_WAIT +} + +function init { + cleanup + mkfifo $FIFO_DATA + mkfifo $FIFO_WAIT +} + +init +( + exec 4> $FIFO_WAIT + my_userns=$(stat -c %i -L /proc/self/ns/user) + my_pidns=$(stat -c %i -L /proc/self/ns/pid) + read child_userns < $FIFO_DATA + read child_pidns < $FIFO_DATA + + expected="$child_userns $my_userns $my_userns" + actual=$("$TS_CMD_LSNS" -t user -n -o NS,PNS,ONS "$child_userns" | uniq) + test "$expected" = "$actual" + RESULT=$? + if [ $RESULT -ne 0 ]; then + echo + echo userns expected: "$expected" + echo userns actual: "$actual" + cleanup + exit $RESULT + fi + + expected="$child_pidns $my_pidns $child_userns" + actual=$("$TS_CMD_LSNS" -t pid -n -o NS,PNS,ONS "$child_pidns" | uniq) + test "$expected" = "$actual" + RESULT=$? + if [ $RESULT -ne 0 ]; then + echo + echo pidns expected: "$expected" + echo pidns actual: "$actual" + cleanup + fi + exit $RESULT +) & +mainpid=$! +( + exec 4< $FIFO_WAIT + $TS_CMD_UNSHARE --user --pid --mount-proc --fork bash -s > $FIFO_DATA <<'EOF' + stat -c %i -L /proc/self/ns/user + stat -c %i -L /proc/self/ns/pid + # Wait till FIFO_WAIT is clsoed. + read -u 4 +EOF +) & +subpid=$! + +wait $subpid +wait $mainpid + +RESULT=$? +echo $RESULT >> $TS_OUTPUT + +cleanup +ts_finalize |