/**

 * Seccomp Library test program

 *

 * Copyright (c) 2012 Red Hat <pmoore@redhat.com>

 * Author: Paul Moore <paul@paul-moore.com>

 */

/*

 * 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 <seccomp.h>

#include "util.h"

int main(int argc, char *argv[])

{

	int rc;

	uint32_t val = (uint32_t)(-1);

	scmp_filter_ctx ctx = NULL;

	rc = seccomp_api_set(3);

	if (rc != 0)

		return EOPNOTSUPP;

	ctx = seccomp_init(SCMP_ACT_ALLOW);

	if (ctx == NULL)

		return ENOMEM;

	rc = seccomp_attr_get(ctx, SCMP_FLTATR_ACT_DEFAULT, &val;;

	if (rc != 0)

		goto out;

	if (val != SCMP_ACT_ALLOW) {

		rc = -1;

		goto out;

	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_DEFAULT, val);

	if (rc != -EACCES) {

		rc = -1;

		goto out;

	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_BADARCH, SCMP_ACT_ALLOW);

	if (rc != 0)

		goto out;

	rc = seccomp_attr_get(ctx, SCMP_FLTATR_ACT_BADARCH, &val;;

	if (rc != 0)

		goto out;

	if (val != SCMP_ACT_ALLOW) {

		rc = -1;

		goto out;

	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_NNP, 0);

	if (rc != 0)

		goto out;

	rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_NNP, &val;;

	if (rc != 0)

		goto out;

	if (val != 0) {

		rc = -1;

		goto out;

	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_TSYNC, 1);

	if (rc != 0 && rc != -EOPNOTSUPP)

		goto out;

	rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_TSYNC, &val;;

	if (rc != 0)

		goto out;

	if (val != 1) {

		rc = -1;

		goto out;

	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_API_TSKIP, 1);

	if (rc != 0)

		goto out;

	rc = seccomp_attr_get(ctx, SCMP_FLTATR_API_TSKIP, &val;;

	if (rc != 0)

		goto out;

	if (val != 1) {

		rc = -1;

		goto out;

	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_LOG, 1);

	if (rc != 0)

		goto out;

	rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_LOG, &val;;

	if (rc != 0)

		goto out;

	if (val != 1) {

		rc = -1;

		goto out;

	}

	rc = 0;

out:

	seccomp_release(ctx);

	return (rc < 0 ? -rc : rc);

}