117 lines
2.8 KiB
Bash
Executable file
117 lines
2.8 KiB
Bash
Executable file
#!/bin/bash
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#
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# Copyright (C) 2017 Masatake YAMATO <yamato@redhat.com>
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#
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# This file is part of util-linux.
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#
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# This file 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 2 of the License, or
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# (at your option) any later version.
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#
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# This file 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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#
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TS_TOPDIR="${0%/*}/../.."
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TS_DESC="NSFS for ip-netns-add"
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. "$TS_TOPDIR"/functions.sh
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ts_init "$*"
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ts_skip_nonroot
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ts_check_enotty
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ts_check_test_command "$TS_CMD_LSNS"
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ts_check_test_command "$TS_CMD_MOUNT"
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ts_check_test_command "$TS_CMD_UMOUNT"
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ts_check_test_command "$TS_HELPER_SYSINFO"
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ts_check_prog "ip"
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ts_check_prog "dd"
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ts_check_prog "touch"
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ts_check_prog "mkfifo"
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ts_check_prog "sed"
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grep -q '#define HAVE_LINUX_NET_NAMESPACE_H' ${top_builddir}/config.h || ts_skip "no netns support"
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if [ "$($TS_HELPER_SYSINFO ns-gettype-ok)" == "0" ]; then
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ts_skip "NS_GET_NSTYPE ioctl cmd not available"
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fi
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if [ "$($TS_HELPER_SYSINFO ns-getuserns-ok)" == "0" ]; then
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ts_skip "NS_GET_USERNS ioctl cmd not available"
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fi
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ts_cd "$TS_OUTDIR"
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NAME1=ABC
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NAME2=XYZ
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PATH1=/run/netns/$NAME1
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PATH2=$TS_OUTDIR/$NAME2
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FIFO=$TS_OUTDIR/FIFO-NSFS
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NULL=/dev/null
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function cleanup {
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rm -f $FIFO
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$TS_CMD_UMOUNT $PATH2 2> /dev/null || :
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rm -f $PATH2
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ip netns delete $NAME1 2> /dev/null || :
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}
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cleanup
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mkfifo $FIFO
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if ip netns add $NAME1 &&
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touch ${PATH2} &&
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$TS_CMD_MOUNT -o bind ${PATH1} ${PATH2}; then
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ip netns exec $NAME1 dd if=$FIFO bs=1 count=2 of=$NULL 2> $NULL &
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PID=$!
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else
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cleanup
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ts_skip "failed to initialize"
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fi
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{
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dd if=/dev/zero bs=1 count=1 2> $NULL
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LSNS_FULL=$($TS_CMD_LSNS --type net)
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NSFS_NAMES_MLINES=$($TS_CMD_LSNS -n -o NSFS --type net --task $PID | { while read VAL; do echo $VAL; done; } )
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NSFS_NAMES_1LINE=$($TS_CMD_LSNS -n -o NSFS --nowrap --type net --task $PID | { while read VAL; do echo $VAL; done; } )
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dd if=/dev/zero bs=1 count=1 2> $NULL
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} > $FIFO
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does_combination_include()
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{
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local p1 p2
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for p1 in "$@"; do
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for p2 in "$@"; do
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if [ "$p1" = "$PATH1" ] && [ "$p2" = "$PATH2" ]; then
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return 0
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fi
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done
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done
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return 1
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}
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does_combination_include $NSFS_NAMES_MLINES &&
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does_combination_include ${NSFS_NAMES_1LINE//,/ }
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RESULT=$?
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echo $RESULT >> $TS_OUTPUT
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if [ $RESULT -ne 0 ]; then
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echo
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echo "**Full-report**"
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echo "$LSNS_FULL"
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echo "**Paths**"
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echo "PATH1: $PATH1"
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echo "PATH2: $PATH2"
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echo "**Multi-line:**"
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echo "$NSFS_NAMES_MLINES"
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echo "**One-line:**"
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echo "$NSFS_NAMES_1LINE"
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echo "****"
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fi
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cleanup
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ts_finalize
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