1#!/bin/sh
2
3# Check how strace -e abbrev=set, -e raw=set, -e trace=set,
4# and -e verbose=set work.
5
6. "${srcdir=.}/init.sh"
7
8run_prog ../umovestr
9pattern_abbrev_verbose='execve("\.\./umovestr", \["\.\./umovestr"\], 0x[[:xdigit:]]* /\* [[:digit:]]* vars \*/) = 0'
10pattern_nonabbrev_verbose='execve("\.\./umovestr", \["\.\./umovestr"\], \[".*\"\(\.\.\.\)\?\]) = 0'
11pattern_nonverbose='execve("\.\./umovestr", 0x[[:xdigit:]]*, 0x[[:xdigit:]]*) = 0'
12pattern_raw='execve(0x[[:xdigit:]]*, 0x[[:xdigit:]]*, 0x[[:xdigit:]]*) = 0'
13
14check_output_mismatch()
15{
16	local pattern
17	pattern="$1"; shift
18	run_strace "$@" ../umovestr
19	LC_ALL=C grep -x "$pattern" "$LOG" > /dev/null || {
20		printf '%s\n%s\n' \
21			'Failed patterns of expected output:' "$pattern"
22		dump_log_and_fail_with "$STRACE $args output mismatch"
23	}
24}
25
26check_output_mismatch "$pattern_abbrev_verbose" -e execve
27LC_ALL=C grep -v -x "$pattern_abbrev_verbose" "$LOG" |
28LC_ALL=C grep '^[[:alnum:]_]*(' > /dev/null &&
29	dump_log_and_fail_with "$STRACE $args unexpected output"
30
31check_output_mismatch "$pattern_abbrev_verbose" -e trace=%process
32LC_ALL=C grep '^chdir' "$LOG" > /dev/null &&
33	dump_log_and_fail_with "$STRACE $args unexpected output"
34
35run_strace -e 42 ../umovestr
36LC_ALL=C grep '^[[:alnum:]_]*(' "$LOG" > /dev/null &&
37	dump_log_and_fail_with "$STRACE $args unexpected output"
38
39run_strace -e/ -e42 ../umovestr
40LC_ALL=C grep '^[[:alnum:]_]*(' "$LOG" > /dev/null &&
41	dump_log_and_fail_with "$STRACE $args unexpected output"
42
43for a in execve \!chdir /. all \!none \
44	 file process \!desc \!ipc \!memory \!network \!signal; do
45	check_output_mismatch \
46		"$pattern_abbrev_verbose" -e abbrev="$a" -e execve
47	check_output_mismatch \
48		"$pattern_raw" -a22 -e raw="$a" -e execve
49	check_output_mismatch \
50		"$pattern_abbrev_verbose" -e verbose="$a" -e execve
51done
52
53for a in \!execve chdir 42 \!all none \
54	 \!file \!process desc ipc memory network signal; do
55	check_output_mismatch \
56		"$pattern_nonabbrev_verbose" -e abbrev="$a" -e execve
57	check_output_mismatch \
58		"$pattern_abbrev_verbose" -e raw="$a" -e execve
59	check_output_mismatch \
60		"$pattern_nonverbose" -a31 -e verbose="$a" -e execve
61done
62
63exit 0
64