#!/bin/sh
#
# Check -bexecve behavior.
#
# Copyright (c) 2015 Dmitry V. Levin <ldv@strace.io>
# Copyright (c) 2015-2023 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later

. "${srcdir=.}/init.sh"

run_strace_redir()
{
	args="$*"
	$STRACE "$@" 2> "$LOG"
}

run_strace_redir --quiet=personality -enone ../set_ptracer_any true ||
	dump_log_and_fail_with "$STRACE $args: unexpected exit status"

run_strace_redir --quiet=personality -enone ../set_ptracer_any false
[ $? -eq 1 ] ||
	dump_log_and_fail_with "$STRACE $args: unexpected exit status"

run_strace_redir --quiet=personality -bexecve -enone ../set_ptracer_any false ||
	dump_log_and_fail_with "$STRACE $args: unexpected exit status"

pattern_detached='[^:]*strace: Process [1-9][0-9]* detached'

LC_ALL=C grep -x "$pattern_detached" "$LOG" > /dev/null ||
	dump_log_and_fail_with "$STRACE $args: output mismatch"

if LC_ALL=C grep -E -v -x "$pattern_detached" "$LOG" > /dev/null; then
	dump_log_and_fail_with "$STRACE $args: unexpected output"
fi

run_strace_redir --quiet=personality -bexecve -enone --kill-on-exit \
	../set_ptracer_any echo ONE > "$OUT" ||
	dump_log_and_fail_with "$STRACE $args: unexpected exit status"

LC_ALL=C grep -x "$pattern_detached" "$LOG" > /dev/null ||
	dump_log_and_fail_with "$STRACE $args: output mismatch"

if LC_ALL=C grep -E -v -x "$pattern_detached" "$LOG" > /dev/null; then
	dump_log_and_fail_with "$STRACE $args: unexpected output"
fi

{
	echo
	echo ONE
} > "$EXP"
match_diff "$OUT" "$EXP"

run_strace_redir --quiet=personality --seccomp-bpf -f -bexecve -enone ../set_ptracer_any false ||
	dump_log_and_fail_with "$STRACE $args: unexpected exit status"

pattern_seccomp='[^:]*strace: --seccomp-bpf is not enabled because it is not compatible with -b'

LC_ALL=C grep -x "$pattern_detached" "$LOG" > /dev/null &&
LC_ALL=C grep -x "$pattern_seccomp" "$LOG" > /dev/null ||
	dump_log_and_fail_with "$STRACE $args: output mismatch"

pattern_all="$pattern_detached|$pattern_seccomp"
if LC_ALL=C grep -E -v -x "$pattern_all" "$LOG" > /dev/null; then
	dump_log_and_fail_with "$STRACE $args: unexpected output"
fi

exit 0
