diff options
Diffstat (limited to 'ttcn3-tcpdump-start.sh')
| -rwxr-xr-x | ttcn3-tcpdump-start.sh | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ttcn3-tcpdump-start.sh b/ttcn3-tcpdump-start.sh index b8ad01ac..9bf3c0aa 100755 --- a/ttcn3-tcpdump-start.sh +++ b/ttcn3-tcpdump-start.sh @@ -2,6 +2,7 @@ PIDFILE=/tmp/dumper.pid TCPDUMP=/usr/sbin/tcpdump +DUMPCAP=/usr/bin/dumpcap TESTCASE=$1 echo "------ $TESTCASE ------" @@ -23,6 +24,21 @@ else # "laforge ALL=NOPASSWD: /usr/sbin/tcpdump, /bin/kill" in your sudoers file CMD="sudo $TCPDUMP -U" fi + +if [ -x $DUMPCAP ]; then + CAP_ERR="1" + if [ -x /sbin/setcap ]; then + # N. B: this check requires libcap2-bin package + setcap -q -v 'cap_net_admin,cap_net_raw=pie' $DUMPCAP + CAP_ERR="$?" + fi + if [ -u $DUMPCAP -o "$CAP_ERR" = "0" ]; then + CMD="$DUMPCAP -q" + else + echo "NOTE: unable to use dumpcap due to missing capabilities or suid bit" + fi +fi + $CMD -s 1500 -n -i any -w "$TTCN3_PCAP_PATH/$TESTCASE.pcap" >$TTCN3_PCAP_PATH/$TESTCASE.pcap.stdout 2>&1 & PID=$! echo $PID > $PIDFILE |