| #!/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="NETNSID compare to ip-link" |
| |
| . $TS_TOPDIR/functions.sh |
| ts_init "$*" |
| |
| ts_check_test_command "$TS_CMD_LSNS" |
| ts_check_prog "ip" |
| ts_check_prog "dd" |
| ts_check_prog "mkfifo" |
| ts_check_prog "sed" |
| ts_skip_nonroot |
| |
| grep -q '#define HAVE_LINUX_NET_NAMESPACE_H' ${top_builddir}/config.h || ts_skip "no netns support" |
| ts_cd "$TS_OUTDIR" |
| |
| vetha=lsns-vetha |
| vethb=lsns-vethb |
| NS=LSNS-TEST-NETNSID-NS |
| FIFO=$TS_OUTDIR/FIFO-NETNSID |
| NULL=/dev/null |
| |
| function cleanup { |
| ip link delete $vetha 2> $NULL || : |
| ip netns delete $NS 2> $NULL || : |
| rm -f $FIFO |
| } |
| |
| cleanup |
| mkfifo $FIFO |
| |
| if ip netns add $NS && |
| ip link add name $vetha type veth peer name $vethb && |
| ip link set $vethb netns $NS; then |
| ip netns exec $NS dd if=$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 |
| { |
| ip -o link show dev $vetha > $NULL |
| IP_ID=$(ip -o link show dev $vetha | sed -ne 's/.* *link-netnsid *\([0-9]*\)/\1/p') |
| LSNS_ID=$($TS_CMD_LSNS -n -o NETNSID --type net --task $PID | { read VAL; echo $VAL; } ) |
| } |
| dd if=/dev/zero bs=1 count=1 2> $NULL |
| } > $FIFO |
| |
| test "$IP_ID" = "$LSNS_ID" |
| echo $? >> $TS_OUTPUT |
| |
| cleanup |
| ts_finalize |