Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | # Check how SCM_RIGHTS control messages are decoded in -y mode. |
| 4 | |
| 5 | . "${srcdir=.}/init.sh" |
| 6 | |
| 7 | # strace -y is implemented using /proc/$pid/fd |
| 8 | [ -d /proc/self/fd/ ] || |
| 9 | framework_skip_ '/proc/self/fd/ is not available' |
| 10 | |
| 11 | check_prog grep |
| 12 | check_prog rm |
| 13 | |
| 14 | rm -f $LOG.* |
| 15 | |
| 16 | ./scm_rights || |
| 17 | fail_ 'scm_rights failed' |
| 18 | |
| 19 | args="-tt -ff -y -xx -enetwork -o $LOG ./scm_rights" |
| 20 | $STRACE $args || |
| 21 | fail_ "$STRACE $args failed" |
| 22 | |
| 23 | "$srcdir"/../strace-log-merge $LOG > $LOG || { |
| 24 | cat $LOG |
| 25 | fail_ 'strace-log-merge failed' |
| 26 | } |
| 27 | rm -f $LOG.* |
| 28 | |
| 29 | grep_log() |
| 30 | { |
| 31 | local syscall="$1"; shift |
| 32 | local prefix='[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +' |
| 33 | |
| 34 | LC_ALL=C grep -E -x "$prefix$syscall$*" $LOG > /dev/null || { |
| 35 | cat $LOG |
| 36 | fail_ "$STRACE $args failed to trace \"$syscall\" properly" |
| 37 | } |
| 38 | } |
| 39 | |
Dmitry V. Levin | e25fb4f | 2014-05-30 15:18:00 +0000 | [diff] [blame] | 40 | grep_log sendmsg '\(1<socket:\[[0-9]+\]>, \{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"\\x00\\x00\\x00\\x00[^"]*", [1-9][0-9]*\}\], msg_controllen=[1-9][0-9]*, \{cmsg_len=[1-9][0-9]*, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \{3</dev/null>\}\}, msg_flags=0\}, 0\) += [1-9][0-9]*' |
| 41 | grep_log recvmsg '\(0<socket:\[[0-9]+\]>, \{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"\\x00\\x00\\x00\\x00[^"]*", [1-9][0-9]*\}\], msg_controllen=[1-9][0-9]*, \{cmsg_len=[1-9][0-9]*, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \{3</dev/null>\}\}, msg_flags=0\}, 0\) += [1-9][0-9]*' |
Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 42 | |
| 43 | exit 0 |