Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
Dmitry V. Levin | c723599 | 2015-01-24 19:51:39 +0000 | [diff] [blame] | 3 | # Check how SCM_RIGHTS and SCM_CREDENTIALS control messages are decoded in -y mode. |
Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 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 | |
Dmitry V. Levin | c723599 | 2015-01-24 19:51:39 +0000 | [diff] [blame] | 11 | check_prog mkdir |
| 12 | check_prog rm |
| 13 | check_prog seq |
| 14 | check_prog touch |
Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 15 | |
Dmitry V. Levin | c723599 | 2015-01-24 19:51:39 +0000 | [diff] [blame] | 16 | dir="$LOG.dir" |
Dmitry V. Levin | 8f54664 | 2015-03-17 17:07:57 +0000 | [diff] [blame] | 17 | rm -rf -- "$dir" |
Dmitry V. Levin | c723599 | 2015-01-24 19:51:39 +0000 | [diff] [blame] | 18 | mkdir -- "$dir" || |
| 19 | framework_skip_ 'failed to create a directory' |
| 20 | |
| 21 | file="$dir/$(for i in $(seq 1 127); do echo A; done; echo Z)" |
| 22 | |
| 23 | touch -- "$file" || |
| 24 | framework_skip_ 'failed to create a file' |
| 25 | |
Dmitry V. Levin | 8f54664 | 2015-03-17 17:07:57 +0000 | [diff] [blame] | 26 | run_prog ./scm_rights /dev/zero |
| 27 | run_strace_merge -y -x -enetwork $args "$file" |
Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 28 | |
Dmitry V. Levin | b85a7f3 | 2015-01-24 15:20:31 +0000 | [diff] [blame] | 29 | n='[1-9][0-9]*' |
| 30 | msg='\{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"\\x00\\x00\\x00\\x00[^"]*", '"$n"'\}\], msg_controllen='"$n" |
Dmitry V. Levin | c723599 | 2015-01-24 19:51:39 +0000 | [diff] [blame] | 31 | rights='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \[3</dev/null>, 4</dev/zero>, 5</[^}>]*/(A\\n){127}Z>\]\}' |
Dmitry V. Levin | b85a7f3 | 2015-01-24 15:20:31 +0000 | [diff] [blame] | 32 | creds='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, \{pid='"$n"', uid=[0-9]+, gid=[0-9]+\}\}' |
Dmitry V. Levin | 8f54664 | 2015-03-17 17:07:57 +0000 | [diff] [blame] | 33 | prefix='[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +' |
| 34 | EXPECTED="$LOG.expected" |
| 35 | |
| 36 | cat > "$EXPECTED" << __EOF__ |
| 37 | ${prefix}sendmsg\\(1<socket:\\[[0-9]+\\]>, $msg, \\[$rights\\], msg_flags=0\\}, 0\\) += $n |
| 38 | ${prefix}recvmsg\\(0<socket:\\[[0-9]+\\]>, $msg, \\[$creds, $rights\\], msg_flags=0\\}, 0\\) += $n |
| 39 | __EOF__ |
| 40 | |
| 41 | match_grep "$LOG" "$EXPECTED" |
| 42 | rm -f "$EXPECTED" |
| 43 | rm -rf -- "$dir" |
Dmitry V. Levin | f23b097 | 2014-05-29 21:35:34 +0000 | [diff] [blame] | 44 | |
| 45 | exit 0 |