githubmirror/libseccomp

tests/13-basic-attrs.c
149 строк3 KB
Paul Moore
api: add the SCMP_FLTATR_API_SYSRAWRC filter attribute
16 июн 2020, 18:22
16 июн 2020, 18:2234bf78a
/**
 * 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(5);
	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 = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_SSB, 1);
	if (rc != 0)
		goto out;
	rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_SSB, &val);
	if (rc != 0)
		goto out;
	if (val != 1) {
		rc = -1;
		goto out;
	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_OPTIMIZE, 2);
	if (rc != 0)
		goto out;
	rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_OPTIMIZE, &val);
	if (rc != 0)
		goto out;
	if (val != 2) {
		rc = -1;
		goto out;
	}

	rc = seccomp_attr_set(ctx, SCMP_FLTATR_API_SYSRAWRC, 1);
	if (rc != 0)
		goto out;
	rc = seccomp_attr_get(ctx, SCMP_FLTATR_API_SYSRAWRC, &val);
	if (rc != 0)
		goto out;
	if (val != 1) {
		rc = -1;
		goto out;
	}

	rc = 0;
out:
	seccomp_release(ctx);
	return (rc < 0 ? -rc : rc);
}