| #!/bin/bash |
| # |
| # Copyright (C) 2017 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="NSFS for ip-netns-add" |
| |
| . $TS_TOPDIR/functions.sh |
| ts_init "$*" |
| |
| ts_skip_nonroot |
| |
| ts_check_test_command "$TS_CMD_LSNS" |
| ts_check_test_command "$TS_CMD_MOUNT" |
| ts_check_test_command "$TS_CMD_UMOUNT" |
| ts_check_prog "ip" |
| ts_check_prog "dd" |
| ts_check_prog "touch" |
| ts_check_prog "mkfifo" |
| ts_check_prog "sed" |
| |
| grep -q '#define HAVE_LINUX_NET_NAMESPACE_H' ${top_builddir}/config.h || ts_skip "no netns support" |
| |
| ts_cd "$TS_OUTDIR" |
| |
| NAME1=ABC |
| NAME2=XYZ |
| PATH1=/run/netns/$NAME1 |
| PATH2=$TS_OUTDIR/$NAME2 |
| FIFO=$TS_OUTDIR/FIFO-NSFS |
| NULL=/dev/null |
| |
| function cleanup { |
| rm -f $FIFO |
| $TS_CMD_UMOUNT $PATH2 2> /dev/null || : |
| rm -f $PATH2 |
| ip netns delete $NAME1 2> /dev/null || : |
| } |
| |
| cleanup |
| mkfifo $FIFO |
| |
| if ip netns add $NAME1 && |
| touch ${PATH2} && |
| $TS_CMD_MOUNT -o bind ${PATH1} ${PATH2}; then |
| ip netns exec $NAME1 dd if=$FIFO bs=1 count=2 of=$NULL 2> $NULL & |
| PID=$! |
| else |
| cleanup |
| ts_skip "failed to initialize" |
| fi |
| { |
| dd if=/dev/zero bs=1 count=1 2> $NULL |
| LSNS_FULL=$($TS_CMD_LSNS --type net) |
| NSFS_NAMES_MLINES=$($TS_CMD_LSNS -n -o NSFS --type net --task $PID | { while read VAL; do echo $VAL; done; } ) |
| NSFS_NAMES_1LINE=$($TS_CMD_LSNS -n -o NSFS --nowrap --type net --task $PID | { while read VAL; do echo $VAL; done; } ) |
| dd if=/dev/zero bs=1 count=1 2> $NULL |
| } > $FIFO |
| |
| test "$NSFS_NAMES_MLINES" = "$PATH1 |
| $PATH2" && test "$NSFS_NAMES_1LINE" = "$PATH1,$PATH2" |
| |
| RESULT=$? |
| echo $RESULT >> $TS_OUTPUT |
| |
| if [ $RESULT -ne 0 ]; then |
| echo |
| echo "**Full-report**" |
| echo "$LSNS_FULL" |
| echo "**Paths**" |
| echo "PATH1: $PATH1" |
| echo "PATH2: $PATH2" |
| echo "**Multi-line:**" |
| echo "$NSFS_NAMES_MLINES" |
| echo "**One-line:**" |
| echo "$NSFS_NAMES_1LINE" |
| echo "****" |
| fi |
| |
| cleanup |
| ts_finalize |