From 81749f1fe87e489c4e2e7408a0fae9370c3810b3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 19:09:30 +0200 Subject: Adding upstream version 2.5.5. Signed-off-by: Daniel Baumann --- tests/04-sim-multilevel_chains.c | 87 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 tests/04-sim-multilevel_chains.c (limited to 'tests/04-sim-multilevel_chains.c') diff --git a/tests/04-sim-multilevel_chains.c b/tests/04-sim-multilevel_chains.c new file mode 100644 index 0000000..e3e4f9b --- /dev/null +++ b/tests/04-sim-multilevel_chains.c @@ -0,0 +1,87 @@ +/** + * Seccomp Library test program + * + * Copyright (c) 2012 Red Hat + * Author: Paul Moore + */ + +/* + * 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 + +#include "util.h" + +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_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(openat), 0); + if (rc != 0) + goto out; + + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0); + if (rc != 0) + goto out; + + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 3, + SCMP_A0(SCMP_CMP_EQ, STDIN_FILENO), + SCMP_A1(SCMP_CMP_NE, 0x0), + SCMP_A2(SCMP_CMP_LT, SSIZE_MAX)); + if (rc != 0) + goto out; + + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 3, + SCMP_A0(SCMP_CMP_EQ, STDOUT_FILENO), + SCMP_A1(SCMP_CMP_NE, 0x0), + SCMP_A2(SCMP_CMP_LT, SSIZE_MAX)); + if (rc != 0) + goto out; + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 3, + SCMP_A0(SCMP_CMP_EQ, STDERR_FILENO), + SCMP_A1(SCMP_CMP_NE, 0x0), + SCMP_A2(SCMP_CMP_LT, SSIZE_MAX)); + if (rc != 0) + goto out; + + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0); + if (rc != 0) + goto out; + + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0); + if (rc != 0) + goto out; + + rc = util_filter_output(&opts, ctx); + if (rc) + goto out; + +out: + seccomp_release(ctx); + return (rc < 0 ? -rc : rc); +} -- cgit v1.2.3