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/**
* Seccomp Library test program
*
* Copyright (c) 2019 Cisco Systems, Inc. <pmoore2@cisco.com>
* Author: Paul Moore <paul@paul-moore.com>
* Additions: Michael Weiser <michael.weiser@gmx.de>
*/
/*
* 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 <http://www.gnu.org/licenses>.
*/
#include <errno.h>
#include <unistd.h>
#include <inttypes.h>
#include <seccomp.h>
#include "util.h"
int main(int argc, char *argv[])
{
int rc;
struct util_options opts;
scmp_filter_ctx ctx = NULL;
struct args {
uint32_t action;
int syscall;
struct scmp_arg_cmp cmp;
} *a, f[] = {
{SCMP_ACT_ALLOW, 2000, SCMP_A0(SCMP_CMP_EQ, -1)},
{SCMP_ACT_ALLOW, 2064, SCMP_A0_64(SCMP_CMP_EQ, -1)},
{SCMP_ACT_ALLOW, 2032, SCMP_A0_32(SCMP_CMP_EQ, -1)},
{0},
};
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_exact(ctx, SCMP_ACT_ALLOW, 1000, 1,
SCMP_A0(SCMP_CMP_EQ, -1));
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1064, 1,
SCMP_A0_64(SCMP_CMP_EQ, -1));
if (rc != 0)
goto out;
rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1032, 1,
SCMP_A0_32(SCMP_CMP_EQ, -1));
if (rc != 0)
goto out;
for (a = f; a->syscall != 0; a++) {
rc = seccomp_rule_add_exact(ctx, a->action, a->syscall, 1,
a->cmp);
if (rc != 0)
goto out;
}
rc = util_filter_output(&opts, ctx);
if (rc)
goto out;
out:
seccomp_release(ctx);
return (rc < 0 ? -rc : rc);
}
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