From 3f43436436f9d8b679299ef479919547bc744d15 Mon Sep 17 00:00:00 2001 From: Tom Hromatka Date: Fri, 10 Jan 2025 16:08:53 -0700 Subject: [PATCH] tests: Add test for kernel version attribute Add a test, 61-sim-kernel_version.[c|py], to test the kernel version logic. Signed-off-by: Tom Hromatka --- tests/.gitignore | 1 + tests/61-sim-kernel_version.c | 85 +++++++++++++++++++++++++++++++ tests/61-sim-kernel_version.py | 55 ++++++++++++++++++++ tests/61-sim-kernel_version.tests | 31 +++++++++++ tests/Makefile.am | 9 ++-- 5 files changed, 178 insertions(+), 3 deletions(-) create mode 100644 tests/61-sim-kernel_version.c create mode 100755 tests/61-sim-kernel_version.py create mode 100644 tests/61-sim-kernel_version.tests diff --git a/tests/.gitignore b/tests/.gitignore index de6efd1f..5c404214 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -68,3 +68,4 @@ util.pyc 58-live-tsync_notify 59-basic-empty_binary_tree 60-sim-precompute +61-sim-kernel_version diff --git a/tests/61-sim-kernel_version.c b/tests/61-sim-kernel_version.c new file mode 100644 index 00000000..7578f6de --- /dev/null +++ b/tests/61-sim-kernel_version.c @@ -0,0 +1,85 @@ +/** + * Seccomp Library test program + * + * Copyright (c) 2025 Oracle and/or its affiliates. + * Author: Tom Hromatka + */ + +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see . + */ + +#include +#include + +#include + +#include "util.h" + +#include +int main(int argc, char *argv[]) +{ + int rc; + struct util_options opts; + scmp_filter_ctx ctx = NULL; + + rc = util_getopt(argc, argv, &opts); + if (rc < 0) + goto out; + + ctx = seccomp_init(SCMP_ACT_KILL); + if (ctx == NULL) + return ENOMEM; + + rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE); + if (rc != 0) + goto out; + + rc = seccomp_arch_add(ctx, SCMP_ARCH_X86_64); + if (rc != 0) + goto out; + rc = seccomp_arch_add(ctx, SCMP_ARCH_X32); + if (rc != 0) + goto out; + + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 0); + if (rc != 0) + goto out; + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 0); + if (rc != 0) + goto out; + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(poll), 0); + if (rc != 0) + goto out; + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(nanosleep), 0); + if (rc != 0) + goto out; + + rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_OPTIMIZE, 2); + if (rc != 0) + goto out; + rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_KVER, SCMP_KV_6_5); + if (rc != 0) + goto out; + rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_UNKNOWN, SCMP_ACT_ERRNO(3)); + if (rc != 0) + goto out; + + rc = util_filter_output(&opts, ctx); + if (rc) + goto out; + +out: + seccomp_release(ctx); + return (rc < 0 ? -rc : rc); +} diff --git a/tests/61-sim-kernel_version.py b/tests/61-sim-kernel_version.py new file mode 100755 index 00000000..ebff3961 --- /dev/null +++ b/tests/61-sim-kernel_version.py @@ -0,0 +1,55 @@ +#!/usr/bin/env python + +# +# Seccomp Library test program +# +# Copyright (c) 2025 Oracle and/or its affiliates. +# Author: Tom Hromatka +# + +# +# This library is free software; you can redistribute it and/or modify it +# under the terms of version 2.1 of the GNU Lesser General Public License as +# published by the Free Software Foundation. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License +# for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, see . +# + +import argparse +import sys + +import util + +from seccomp import * + +def test(args): + f = SyscallFilter(KILL) + # NOTE: some of these arch functions are not strictly necessary, but are + # here for test sanity/coverage + f.remove_arch(Arch()) + f.add_arch(Arch("x86_64")) + f.add_arch(Arch("x32")) + + f.add_rule(ALLOW, "read") + f.add_rule(ALLOW, "write") + f.add_rule(ALLOW, "poll") + f.add_rule(ALLOW, "nanosleep") + + f.set_attr(Attr.CTL_OPTIMIZE, 2) + f.set_attr(Attr.ACT_UNKNOWN, ERRNO(3)) + f.set_attr(Attr.CTL_KVER, Kver.v6_5) + + return f + +args = util.get_opt() +ctx = test(args) +util.filter_output(args, ctx) + +# kate: syntax python; +# kate: indent-mode python; space-indent on; indent-width 4; mixedindent off; diff --git a/tests/61-sim-kernel_version.tests b/tests/61-sim-kernel_version.tests new file mode 100644 index 00000000..c0071b02 --- /dev/null +++ b/tests/61-sim-kernel_version.tests @@ -0,0 +1,31 @@ +# +# libseccomp regression test automation data +# +# Copyright (c) 2025 Oracle and/or its affiliates. +# Author: Tom Hromatka +# + +test type: bpf-sim + +# Testname Arch Syscall Arg0 Arg1 Arg2 Arg3 Arg4 Arg5 Result +61-sim-kernel_version +x86_64,+x32 read N N N N N N ALLOW +61-sim-kernel_version +x86_64,+x32 write N N N N N N ALLOW +61-sim-kernel_version +x86_64,+x32 poll N N N N N N ALLOW +61-sim-kernel_version +x86_64,+x32 nanosleep N N N N N N ALLOW + +61-sim-kernel_version +x86_64,+x32 2-6 N N N N N N KILL +61-sim-kernel_version +x86_64,+x32 8-34 N N N N N N KILL +61-sim-kernel_version +x86_64,+x32 36-334 N N N N N N KILL +61-sim-kernel_version +x86_64,+x32 424-456 N N N N N N KILL + +61-sim-kernel_version +x86_64,+x32 457-466 N N N N N N ERRNO(3) + +test type: bpf-sim-fuzz + +# Testname StressCount +61-sim-kernel_version 5 + +test type: bpf-valgrind + +# Testname +61-sim-kernel_version diff --git a/tests/Makefile.am b/tests/Makefile.am index 07bea2e7..f574b0c3 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -95,7 +95,8 @@ check_PROGRAMS = \ 57-basic-rawsysrc \ 58-live-tsync_notify \ 59-basic-empty_binary_tree \ - 60-sim-precompute + 60-sim-precompute \ + 61-sim-kernel_version EXTRA_DIST_TESTPYTHON = \ util.py \ @@ -156,7 +157,8 @@ EXTRA_DIST_TESTPYTHON = \ 57-basic-rawsysrc.py \ 58-live-tsync_notify.py \ 59-basic-empty_binary_tree.py \ - 60-sim-precompute.py + 60-sim-precompute.py \ + 61-sim-kernel_version.py EXTRA_DIST_TESTCFGS = \ 01-sim-allow.tests \ @@ -218,7 +220,8 @@ EXTRA_DIST_TESTCFGS = \ 57-basic-rawsysrc.tests \ 58-live-tsync_notify.tests \ 59-basic-empty_binary_tree.tests \ - 60-sim-precompute.tests + 60-sim-precompute.tests \ + 61-sim-kernel_version.tests EXTRA_DIST_TESTSCRIPTS = \ 38-basic-pfc_coverage.sh 38-basic-pfc_coverage.pfc \