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The virDomainObj struct has @pid member where the domain's hypervisor PID is stored (e.g. QEMU/bhyve/libvirt_lxc/... PID). However, we are not consistent when it comes to shutoff state. Initially, because virDomainObjNew() uses g_new0() the @pid is initialized to 0. But when domain is shut off, some functions set it to -1 (virBhyveProcessStop, virCHProcessStop, qemuProcessStop, ..). In other places, the @pid is tested to be 0, on some other places it's tested for being negative and in the rest for being positive. To solve this inconsistency we can stick with either value, -1 or 0. I've chosen the latter as it's safer IMO. For instance if by mistake we'd kill(vm->pid, SIGTERM) we would kill ourselves instead of init's process group. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
265 lines
8.1 KiB
C
265 lines
8.1 KiB
C
/*
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* Copyright (C) 2018 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "qemusecuritytest.h"
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#include "testutils.h"
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#include "testutilsqemu.h"
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#include "security/security_manager.h"
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#include "security/security_util.h"
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#include "conf/domain_conf.h"
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#include "qemu/qemu_domain.h"
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#include "qemu/qemu_security.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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struct testData {
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virQEMUDriver *driver;
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const char *file; /* file name to load VM def XML from; qemuxml2argvdata/ */
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};
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static int
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prepareObjects(virQEMUDriver *driver,
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const char *xmlname,
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virDomainObj **vm_ret)
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{
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qemuDomainObjPrivate *priv;
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g_autoptr(virDomainObj) vm = NULL;
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g_autofree char *filename = NULL;
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g_autofree char *domxml = NULL;
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g_autofree char *latestCapsFile = NULL;
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filename = g_strdup_printf("%s/qemuxml2argvdata/%s.xml", abs_srcdir, xmlname);
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if (virTestLoadFile(filename, &domxml) < 0)
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return -1;
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if (!(vm = virDomainObjNew(driver->xmlopt)))
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return -1;
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priv = vm->privateData;
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priv->chardevStdioLogd = false;
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priv->rememberOwner = true;
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if (!(latestCapsFile = testQemuGetLatestCapsForArch("x86_64", "xml")))
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return -1;
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if (!(priv->qemuCaps = qemuTestParseCapabilitiesArch(VIR_ARCH_X86_64, latestCapsFile)))
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return -1;
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if (qemuTestCapsCacheInsert(driver->qemuCapsCache, priv->qemuCaps) < 0)
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return -1;
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if (!(vm->def = virDomainDefParseString(domxml,
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driver->xmlopt,
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NULL,
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0)))
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return -1;
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if (virSecurityManagerGenLabel(driver->securityManager, vm->def) < 0)
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return -1;
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*vm_ret = g_steal_pointer(&vm);
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return 0;
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}
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static int
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testDomain(const void *opaque)
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{
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const struct testData *data = opaque;
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g_autoptr(virDomainObj) vm = NULL;
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g_autoptr(GHashTable) notRestored = virHashNew(NULL);
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size_t i;
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int ret = -1;
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if (prepareObjects(data->driver, data->file, &vm) < 0)
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return -1;
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for (i = 0; i < vm->def->ndisks; i++) {
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virStorageSource *src = vm->def->disks[i]->src;
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virStorageSource *n;
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if (!src)
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continue;
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if (virStorageSourceIsLocalStorage(src) && src->path &&
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(src->shared || src->readonly))
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g_hash_table_insert(notRestored, g_strdup(src->path), NULL);
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for (n = src->backingStore; virStorageSourceIsBacking(n); n = n->backingStore) {
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if (virStorageSourceIsLocalStorage(n) && n->path)
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g_hash_table_insert(notRestored, g_strdup(n->path), NULL);
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}
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}
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/* Mocking is enabled only when this env variable is set.
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* See mock code for explanation. */
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if (g_setenv(ENVVAR, "1", FALSE) == FALSE)
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return -1;
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if (qemuSecuritySetAllLabel(data->driver, vm, NULL, false) < 0)
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goto cleanup;
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qemuSecurityRestoreAllLabel(data->driver, vm, false);
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if (checkPaths(notRestored) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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g_unsetenv(ENVVAR);
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freePaths();
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return ret;
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}
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static int
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mymain(void)
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{
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virQEMUDriver driver;
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virSecurityManager *stack = NULL;
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virSecurityManager *dac = NULL;
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#ifdef WITH_SELINUX
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virSecurityManager *selinux = NULL;
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#endif
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int ret = 0;
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if (!virSecurityXATTRNamespaceDefined())
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return EXIT_AM_SKIP;
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if (virInitialize() < 0 ||
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qemuTestDriverInit(&driver) < 0)
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return -1;
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/* Now fix the secdriver */
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virObjectUnref(driver.securityManager);
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if (!(dac = virSecurityManagerNewDAC("test", 1000, 1000,
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VIR_SECURITY_MANAGER_PRIVILEGED |
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VIR_SECURITY_MANAGER_DYNAMIC_OWNERSHIP,
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NULL))) {
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fprintf(stderr, "Cannot initialize DAC security driver");
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ret = -1;
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goto cleanup;
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}
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if (!(stack = virSecurityManagerNewStack(dac))) {
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fprintf(stderr, "Cannot initialize stack security driver");
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ret = -1;
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goto cleanup;
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}
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dac = NULL;
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#if WITH_SELINUX
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selinux = virSecurityManagerNew("selinux", "test",
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VIR_SECURITY_MANAGER_PRIVILEGED |
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VIR_SECURITY_MANAGER_DEFAULT_CONFINED |
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VIR_SECURITY_MANAGER_REQUIRE_CONFINED);
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if (!selinux) {
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fprintf(stderr, "Cannot initialize selinux security driver");
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ret = -1;
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goto cleanup;
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}
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if (virSecurityManagerStackAddNested(stack, selinux) < 0) {
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fprintf(stderr, "Cannot add selinux security driver onto stack");
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ret = -1;
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goto cleanup;
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}
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selinux = NULL;
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#endif
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driver.securityManager = g_steal_pointer(&stack);
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#define DO_TEST_DOMAIN(f) \
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do { \
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struct testData data = {.driver = &driver, .file = f}; \
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if (virTestRun(f, testDomain, &data) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST_DOMAIN("acpi-table");
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DO_TEST_DOMAIN("channel-unix-guestfwd");
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DO_TEST_DOMAIN("console-virtio-unix");
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DO_TEST_DOMAIN("controller-virtio-scsi");
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DO_TEST_DOMAIN("disk-aio");
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DO_TEST_DOMAIN("disk-backing-chains-noindex");
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DO_TEST_DOMAIN("disk-cache");
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DO_TEST_DOMAIN("disk-cdrom");
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DO_TEST_DOMAIN("disk-cdrom-bus-other");
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DO_TEST_DOMAIN("disk-cdrom-network");
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DO_TEST_DOMAIN("disk-cdrom-tray");
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DO_TEST_DOMAIN("disk-copy_on_read");
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DO_TEST_DOMAIN("disk-detect-zeroes");
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DO_TEST_DOMAIN("disk-error-policy");
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DO_TEST_DOMAIN("disk-floppy");
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DO_TEST_DOMAIN("disk-floppy-q35");
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DO_TEST_DOMAIN("disk-network-gluster");
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DO_TEST_DOMAIN("disk-network-iscsi");
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DO_TEST_DOMAIN("disk-network-nbd");
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DO_TEST_DOMAIN("disk-network-rbd");
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DO_TEST_DOMAIN("disk-network-sheepdog");
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DO_TEST_DOMAIN("disk-network-source-auth");
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DO_TEST_DOMAIN("disk-network-tlsx509-nbd");
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DO_TEST_DOMAIN("disk-network-tlsx509-vxhs");
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DO_TEST_DOMAIN("disk-readonly-disk");
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DO_TEST_DOMAIN("disk-scsi");
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DO_TEST_DOMAIN("disk-scsi-device-auto");
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DO_TEST_DOMAIN("disk-shared");
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DO_TEST_DOMAIN("disk-virtio");
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DO_TEST_DOMAIN("disk-virtio-scsi-reservations");
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DO_TEST_DOMAIN("graphics-vnc-tls-secret");
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DO_TEST_DOMAIN("hugepages-nvdimm");
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DO_TEST_DOMAIN("iothreads-virtio-scsi-pci");
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DO_TEST_DOMAIN("memory-hotplug-nvdimm");
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DO_TEST_DOMAIN("memory-hotplug-nvdimm-access");
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DO_TEST_DOMAIN("memory-hotplug-nvdimm-align");
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DO_TEST_DOMAIN("memory-hotplug-nvdimm-label");
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DO_TEST_DOMAIN("memory-hotplug-nvdimm-pmem");
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DO_TEST_DOMAIN("memory-hotplug-nvdimm-readonly");
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DO_TEST_DOMAIN("net-vhostuser");
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DO_TEST_DOMAIN("os-firmware-bios");
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DO_TEST_DOMAIN("os-firmware-efi");
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DO_TEST_DOMAIN("os-firmware-efi-secboot");
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DO_TEST_DOMAIN("pci-bridge-many-disks");
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DO_TEST_DOMAIN("tseg-explicit-size");
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DO_TEST_DOMAIN("usb-redir-unix");
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DO_TEST_DOMAIN("virtio-non-transitional");
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DO_TEST_DOMAIN("virtio-transitional");
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DO_TEST_DOMAIN("x86_64-pc-graphics");
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DO_TEST_DOMAIN("x86_64-pc-headless");
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DO_TEST_DOMAIN("x86_64-q35-graphics");
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DO_TEST_DOMAIN("x86_64-q35-headless");
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cleanup:
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qemuTestDriverFree(&driver);
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#ifdef WITH_SELINUX
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virObjectUnref(selinux);
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#endif
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virObjectUnref(dac);
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virObjectUnref(stack);
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIR_TEST_MAIN_PRELOAD(mymain,
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VIR_TEST_MOCK("domaincaps"))
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