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#!/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
|
