Home | History | Annotate | Download | only in tests
      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 
     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]*'
     42 
     43 exit 0
     44