libvirt/tests/networkxml2firewalltest.c

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/*
* networkxml2firewalltest.c: Test iptables rule generation
*
* Copyright (C) 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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 <config.h>
#include "testutils.h"
#include "viralloc.h"
#if defined (__linux__)
# include "network/bridge_driver_platform.h"
# include "virbuffer.h"
# define LIBVIRT_VIRFIREWALLPRIV_H_ALLOW
# include "virfirewallpriv.h"
# define LIBVIRT_VIRCOMMANDPRIV_H_ALLOW
# include "vircommandpriv.h"
# define VIR_FROM_THIS VIR_FROM_NONE
# ifdef __linux__
# define RULESTYPE "linux"
# else
# error "test case not ported to this platform"
# endif
static void
testCommandDryRun(const char *const*args ATTRIBUTE_UNUSED,
const char *const*env ATTRIBUTE_UNUSED,
const char *input ATTRIBUTE_UNUSED,
char **output,
char **error,
int *status,
void *opaque ATTRIBUTE_UNUSED)
{
*status = 0;
ignore_value(VIR_STRDUP_QUIET(*output, ""));
ignore_value(VIR_STRDUP_QUIET(*error, ""));
}
static int testCompareXMLToArgvFiles(const char *xml,
const char *cmdline,
const char *baseargs)
{
char *expectargv = NULL;
char *actualargv = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virNetworkDefPtr def = NULL;
int ret = -1;
char *actual;
virCommandSetDryRun(&buf, testCommandDryRun, NULL);
if (!(def = virNetworkDefParseFile(xml)))
goto cleanup;
if (networkAddFirewallRules(def) < 0)
goto cleanup;
if (virBufferError(&buf))
goto cleanup;
actual = actualargv = virBufferContentAndReset(&buf);
virTestClearCommandPath(actualargv);
virCommandSetDryRun(NULL, NULL, NULL);
/* The first network to be created populates the
* libvirt global chains. We must skip args for
* that if present
*/
if (STRPREFIX(actual, baseargs))
actual += strlen(baseargs);
if (virTestCompareToFile(actual, cmdline) < 0)
goto cleanup;
ret = 0;
cleanup:
virBufferFreeAndReset(&buf);
VIR_FREE(expectargv);
VIR_FREE(actualargv);
virNetworkDefFree(def);
return ret;
}
struct testInfo {
const char *name;
const char *baseargs;
};
static int
testCompareXMLToIPTablesHelper(const void *data)
{
int result = -1;
const struct testInfo *info = data;
char *xml = NULL;
char *args = NULL;
if (virAsprintf(&xml, "%s/networkxml2firewalldata/%s.xml",
abs_srcdir, info->name) < 0 ||
virAsprintf(&args, "%s/networkxml2firewalldata/%s-%s.args",
abs_srcdir, info->name, RULESTYPE) < 0)
goto cleanup;
result = testCompareXMLToArgvFiles(xml, args, info->baseargs);
cleanup:
VIR_FREE(xml);
VIR_FREE(args);
return result;
}
static bool
hasNetfilterTools(void)
{
return virFileIsExecutable(IPTABLES_PATH) &&
virFileIsExecutable(IP6TABLES_PATH) &&
virFileIsExecutable(EBTABLES_PATH);
}
static int
mymain(void)
{
int ret = 0;
VIR_AUTOFREE(char *)basefile = NULL;
VIR_AUTOFREE(char *)baseargs = NULL;
# define DO_TEST(name) \
do { \
struct testInfo info = { \
name, baseargs, \
}; \
if (virTestRun("Network XML-2-iptables " name, \
testCompareXMLToIPTablesHelper, &info) < 0) \
ret = -1; \
} while (0)
virFirewallSetLockOverride(true);
if (virFirewallSetBackend(VIR_FIREWALL_BACKEND_DIRECT) < 0) {
if (!hasNetfilterTools()) {
fprintf(stderr, "iptables/ip6tables/ebtables tools not present");
return EXIT_AM_SKIP;
}
ret = -1;
goto cleanup;
}
if (virAsprintf(&basefile, "%s/networkxml2firewalldata/base.args",
abs_srcdir) < 0) {
ret = -1;
goto cleanup;
}
if (virTestLoadFile(basefile, &baseargs) < 0) {
ret = -1;
goto cleanup;
}
DO_TEST("nat-default");
DO_TEST("nat-tftp");
DO_TEST("nat-many-ips");
DO_TEST("nat-no-dhcp");
DO_TEST("nat-ipv6");
DO_TEST("route-default");
cleanup:
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)
#else /* ! defined (__linux__) */
int main(void)
{
return EXIT_AM_SKIP;
}
#endif /* ! defined (__linux__) */