1#!/bin/sh 2 3# Check how network syscalls are traced when decoding socket descriptors 4 5. "${srcdir=.}/init.sh" 6 7# strace -y is implemented using /proc/self/fd 8[ -d /proc/self/fd/ ] || 9 framework_skip_ '/proc/self/fd/ is not available' 10 11check_prog grep 12check_prog rm 13 14rm -f $LOG.* 15 16./net-accept-connect || 17 fail_ 'net-accept-connect failed' 18 19# using -y to test socket descriptors 'paths' decoding 20args="-tt -ff -y -o $LOG -enetwork ./net-accept-connect" 21$STRACE $args || 22 fail_ "strace $args failed" 23 24"$srcdir"/../strace-log-merge $LOG > $LOG || { 25 cat $LOG 26 fail_ 'strace-log-merge failed' 27} 28 29rm -f $LOG.* 30 31grep_log() 32{ 33 local syscall="$1"; shift 34 local prefix='[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +' 35 36 LC_ALL=C grep -E -x "$prefix$syscall$@" $LOG > /dev/null || { 37 cat $LOG 38 fail_ "strace -enetwork failed to trace \"$syscall\" properly" 39 } 40} 41grep_log bind '\(0<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="local-stream"\}, 15\) += 0' 42grep_log listen '\(0<socket:\[[0-9]+\]>, 5\) += 0' 43grep_log getsockname '\(0<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="local-stream"\}, \[15\]\) += 0' 44grep_log accept '\(0<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), NULL\}, \[2\]\) += 1' 45grep_log connect '\(1<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="local-stream"\}, 15\) += 0' 46 47exit 0 48