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 11 check_prog grep 12 check_prog rm 13 14 rm -f $LOG.* 15 16 ./net-accept-connect || 17 fail_ 'net-accept-connect failed' 18 19 # using -y to test socket descriptors 'paths' decoding 20 args="-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 29 rm -f $LOG.* 30 31 grep_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 } 41 grep_log bind '\(0<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="local-stream"\}, 15\) += 0' 42 grep_log listen '\(0<socket:\[[0-9]+\]>, 5\) += 0' 43 grep_log getsockname '\(0<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="local-stream"\}, \[15\]\) += 0' 44 grep_log accept '\(0<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), NULL\}, \[2\]\) += 1' 45 grep_log connect '\(1<socket:\[[0-9]+\]>, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="local-stream"\}, 15\) += 0' 46 47 exit 0 48
