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libvirt/tests/qemusecuritytest.c
Peter Krempa f0fec72e3f qemuTestCapsCacheInsert*: Drop the file cache rather than poisoning it 
Make callers use virFileCacheClear to clear the cache before populating
it rather than trying to overwrite what's in it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2023-03-06 20:55:50 +01:00

267 lines
8.1 KiB
C
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/*
* Copyright (C) 2018 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 "qemusecuritytest.h"
#include "testutils.h"
#include "testutilsqemu.h"
#include "security/security_manager.h"
#include "security/security_util.h"
#include "conf/domain_conf.h"
#include "qemu/qemu_domain.h"
#include "qemu/qemu_security.h"
#define VIR_FROM_THIS VIR_FROM_NONE
struct testData {
virQEMUDriver *driver;
const char *file; /* file name to load VM def XML from; qemuxml2argvdata/ */
};
static int
prepareObjects(virQEMUDriver *driver,
const char *xmlname,
virDomainObj **vm_ret)
{
qemuDomainObjPrivate *priv;
g_autoptr(virDomainObj) vm = NULL;
g_autofree char *filename = NULL;
g_autofree char *domxml = NULL;
g_autofree char *latestCapsFile = NULL;
filename = g_strdup_printf("%s/qemuxml2argvdata/%s.xml", abs_srcdir, xmlname);
if (virTestLoadFile(filename, &domxml) < 0)
return -1;
if (!(vm = virDomainObjNew(driver->xmlopt)))
return -1;
priv = vm->privateData;
priv->chardevStdioLogd = false;
priv->rememberOwner = true;
if (!(latestCapsFile = testQemuGetLatestCapsForArch("x86_64", "xml")))
return -1;
if (!(priv->qemuCaps = qemuTestParseCapabilitiesArch(VIR_ARCH_X86_64, latestCapsFile)))
return -1;
virFileCacheClear(driver->qemuCapsCache);
if (qemuTestCapsCacheInsert(driver->qemuCapsCache, priv->qemuCaps) < 0)
return -1;
if (!(vm->def = virDomainDefParseString(domxml,
driver->xmlopt,
NULL,
0)))
return -1;
if (virSecurityManagerGenLabel(driver->securityManager, vm->def) < 0)
return -1;
*vm_ret = g_steal_pointer(&vm);
return 0;
}
static int
testDomain(const void *opaque)
{
const struct testData *data = opaque;
g_autoptr(virDomainObj) vm = NULL;
g_autoptr(GHashTable) notRestored = virHashNew(NULL);
size_t i;
int ret = -1;
if (prepareObjects(data->driver, data->file, &vm) < 0)
return -1;
for (i = 0; i < vm->def->ndisks; i++) {
virStorageSource *src = vm->def->disks[i]->src;
virStorageSource *n;
if (!src)
continue;
if (virStorageSourceIsLocalStorage(src) && src->path &&
(src->shared || src->readonly))
g_hash_table_insert(notRestored, g_strdup(src->path), NULL);
for (n = src->backingStore; virStorageSourceIsBacking(n); n = n->backingStore) {
if (virStorageSourceIsLocalStorage(n) && n->path)
g_hash_table_insert(notRestored, g_strdup(n->path), NULL);
}
}
/* Mocking is enabled only when this env variable is set.
* See mock code for explanation. */
if (g_setenv(ENVVAR, "1", FALSE) == FALSE)
return -1;
if (qemuSecuritySetAllLabel(data->driver, vm, NULL, false) < 0)
goto cleanup;
qemuSecurityRestoreAllLabel(data->driver, vm, false);
if (checkPaths(notRestored) < 0)
goto cleanup;
ret = 0;
cleanup:
g_unsetenv(ENVVAR);
freePaths();
return ret;
}
static int
mymain(void)
{
virQEMUDriver driver;
virSecurityManager *stack = NULL;
virSecurityManager *dac = NULL;
#ifdef WITH_SELINUX
virSecurityManager *selinux = NULL;
#endif
int ret = 0;
if (!virSecurityXATTRNamespaceDefined())
return EXIT_AM_SKIP;
if (virInitialize() < 0 ||
qemuTestDriverInit(&driver) < 0)
return -1;
/* Now fix the secdriver */
virObjectUnref(driver.securityManager);
if (!(dac = virSecurityManagerNewDAC("test", 1000, 1000,
VIR_SECURITY_MANAGER_PRIVILEGED |
VIR_SECURITY_MANAGER_DYNAMIC_OWNERSHIP,
NULL))) {
fprintf(stderr, "Cannot initialize DAC security driver");
ret = -1;
goto cleanup;
}
if (!(stack = virSecurityManagerNewStack(dac))) {
fprintf(stderr, "Cannot initialize stack security driver");
ret = -1;
goto cleanup;
}
dac = NULL;
#if WITH_SELINUX
selinux = virSecurityManagerNew("selinux", "test",
VIR_SECURITY_MANAGER_PRIVILEGED |
VIR_SECURITY_MANAGER_DEFAULT_CONFINED |
VIR_SECURITY_MANAGER_REQUIRE_CONFINED);
if (!selinux) {
fprintf(stderr, "Cannot initialize selinux security driver");
ret = -1;
goto cleanup;
}
if (virSecurityManagerStackAddNested(stack, selinux) < 0) {
fprintf(stderr, "Cannot add selinux security driver onto stack");
ret = -1;
goto cleanup;
}
selinux = NULL;
#endif
driver.securityManager = g_steal_pointer(&stack);
#define DO_TEST_DOMAIN(f) \
do { \
struct testData data = {.driver = &driver, .file = f}; \
if (virTestRun(f, testDomain, &data) < 0) \
ret = -1; \
} while (0)
DO_TEST_DOMAIN("acpi-table");
DO_TEST_DOMAIN("channel-unix-guestfwd");
DO_TEST_DOMAIN("console-virtio-unix");
DO_TEST_DOMAIN("controller-virtio-scsi");
DO_TEST_DOMAIN("disk-aio");
DO_TEST_DOMAIN("disk-backing-chains-noindex");
DO_TEST_DOMAIN("disk-cache");
DO_TEST_DOMAIN("disk-cdrom");
DO_TEST_DOMAIN("disk-cdrom-bus-other");
DO_TEST_DOMAIN("disk-cdrom-network");
DO_TEST_DOMAIN("disk-cdrom-tray");
DO_TEST_DOMAIN("disk-copy_on_read");
DO_TEST_DOMAIN("disk-detect-zeroes");
DO_TEST_DOMAIN("disk-error-policy");
DO_TEST_DOMAIN("disk-floppy");
DO_TEST_DOMAIN("disk-floppy-q35");
DO_TEST_DOMAIN("disk-network-gluster");
DO_TEST_DOMAIN("disk-network-iscsi");
DO_TEST_DOMAIN("disk-network-nbd");
DO_TEST_DOMAIN("disk-network-rbd");
DO_TEST_DOMAIN("disk-network-sheepdog");
DO_TEST_DOMAIN("disk-network-source-auth");
DO_TEST_DOMAIN("disk-network-tlsx509-nbd");
DO_TEST_DOMAIN("disk-network-tlsx509-vxhs");
DO_TEST_DOMAIN("disk-readonly-disk");
DO_TEST_DOMAIN("disk-scsi");
DO_TEST_DOMAIN("disk-scsi-device-auto");
DO_TEST_DOMAIN("disk-shared");
DO_TEST_DOMAIN("disk-virtio");
DO_TEST_DOMAIN("disk-virtio-scsi-reservations");
DO_TEST_DOMAIN("graphics-vnc-tls-secret");
DO_TEST_DOMAIN("hugepages-nvdimm");
DO_TEST_DOMAIN("iothreads-virtio-scsi-pci");
DO_TEST_DOMAIN("memory-hotplug-nvdimm");
DO_TEST_DOMAIN("memory-hotplug-nvdimm-access");
DO_TEST_DOMAIN("memory-hotplug-nvdimm-align");
DO_TEST_DOMAIN("memory-hotplug-nvdimm-label");
DO_TEST_DOMAIN("memory-hotplug-nvdimm-pmem");
DO_TEST_DOMAIN("memory-hotplug-nvdimm-readonly");
DO_TEST_DOMAIN("net-vhostuser");
DO_TEST_DOMAIN("firmware-auto-bios");
DO_TEST_DOMAIN("firmware-auto-efi");
DO_TEST_DOMAIN("firmware-auto-efi-loader-secure");
DO_TEST_DOMAIN("pci-bridge-many-disks");
DO_TEST_DOMAIN("tseg-explicit-size");
DO_TEST_DOMAIN("usb-redir-unix");
DO_TEST_DOMAIN("virtio-non-transitional");
DO_TEST_DOMAIN("virtio-transitional");
DO_TEST_DOMAIN("x86_64-pc-graphics");
DO_TEST_DOMAIN("x86_64-pc-headless");
DO_TEST_DOMAIN("x86_64-q35-graphics");
DO_TEST_DOMAIN("x86_64-q35-headless");
cleanup:
qemuTestDriverFree(&driver);
#ifdef WITH_SELINUX
virObjectUnref(selinux);
#endif
virObjectUnref(dac);
virObjectUnref(stack);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN_PRELOAD(mymain,
VIR_TEST_MOCK("domaincaps"))
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