Dmitry V. Levin
c7235992dc
Change printfd() behaviour in show_fd_path mode to quote pathnames the same way printpathn() does. * util.c (printfd): Print non-socket paths using print_quoted_string. * tests/scm_rights-fd.test: Test it. * tests/scm_rights.c: Update.
61 lines
1.6 KiB
Bash
Executable File
61 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Check how SCM_RIGHTS and SCM_CREDENTIALS control messages are decoded in -y mode.
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. "${srcdir=.}/init.sh"
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# strace -y is implemented using /proc/$pid/fd
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[ -d /proc/self/fd/ ] ||
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framework_skip_ '/proc/self/fd/ is not available'
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check_prog grep
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check_prog mkdir
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check_prog rm
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check_prog seq
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check_prog touch
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rm -rf -- "$LOG".*
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dir="$LOG.dir"
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mkdir -- "$dir" ||
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framework_skip_ 'failed to create a directory'
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file="$dir/$(for i in $(seq 1 127); do echo A; done; echo Z)"
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touch -- "$file" ||
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framework_skip_ 'failed to create a file'
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./scm_rights /dev/zero ||
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fail_ 'scm_rights failed'
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args="-tt -ff -y -x -enetwork ./scm_rights /dev/zero"
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$STRACE -o "$LOG" $args "$file" ||
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fail_ "$STRACE $args failed"
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"$srcdir"/../strace-log-merge "$LOG" > "$LOG" || {
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cat $LOG
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fail_ 'strace-log-merge failed'
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}
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rm -rf -- "$LOG".*
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grep_log()
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{
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local syscall="$1"; shift
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local prefix='[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +'
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LC_ALL=C grep -E -x "$prefix$syscall$*" $LOG > /dev/null || {
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cat $LOG
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fail_ "$STRACE $args failed to trace \"$syscall\" properly"
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}
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}
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n='[1-9][0-9]*'
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msg='\{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"\\x00\\x00\\x00\\x00[^"]*", '"$n"'\}\], msg_controllen='"$n"
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rights='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \[3</dev/null>, 4</dev/zero>, 5</[^}>]*/(A\\n){127}Z>\]\}'
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creds='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, \{pid='"$n"', uid=[0-9]+, gid=[0-9]+\}\}'
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grep_log sendmsg '\(1<socket:\[[0-9]+\]>, '"$msg"', \['"$rights"'\], msg_flags=0\}, 0\) += '"$n"
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grep_log recvmsg '\(0<socket:\[[0-9]+\]>, '"$msg"', \['"$creds"', '"$rights"'\], msg_flags=0\}, 0\) += '"$n"
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exit 0
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