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-rw-r--r--tests/tpm-crb-swtpm-test.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/tests/tpm-crb-swtpm-test.c b/tests/tpm-crb-swtpm-test.c
new file mode 100644
index 0000000000..c2bde0cbaa
--- /dev/null
+++ b/tests/tpm-crb-swtpm-test.c
@@ -0,0 +1,247 @@
+/*
+ * QTest testcase for TPM CRB talking to external swtpm and swtpm migration
+ *
+ * Copyright (c) 2018 IBM Corporation
+ * with parts borrowed from migration-test.c that is:
+ * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
+ *
+ * Authors:
+ * Stefan Berger <stefanb@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include <glib/gstdio.h>
+
+#include "hw/acpi/tpm.h"
+#include "io/channel-socket.h"
+#include "libqtest.h"
+#include "tpm-util.h"
+#include "sysemu/tpm.h"
+#include "qapi/qmp/qdict.h"
+
+typedef struct TestState {
+ char *src_tpm_path;
+ char *dst_tpm_path;
+ char *uri;
+} TestState;
+
+bool got_stop;
+
+static void migrate(QTestState *who, const char *uri)
+{
+ QDict *rsp;
+ gchar *cmd;
+
+ cmd = g_strdup_printf("{ 'execute': 'migrate',"
+ "'arguments': { 'uri': '%s' } }",
+ uri);
+ rsp = qtest_qmp(who, cmd);
+ g_free(cmd);
+ g_assert(qdict_haskey(rsp, "return"));
+ qobject_unref(rsp);
+}
+
+/*
+ * Events can get in the way of responses we are actually waiting for.
+ */
+static QDict *wait_command(QTestState *who, const char *command)
+{
+ const char *event_string;
+ QDict *response;
+
+ response = qtest_qmp(who, command);
+
+ while (qdict_haskey(response, "event")) {
+ /* OK, it was an event */
+ event_string = qdict_get_str(response, "event");
+ if (!strcmp(event_string, "STOP")) {
+ got_stop = true;
+ }
+ qobject_unref(response);
+ response = qtest_qmp_receive(who);
+ }
+ return response;
+}
+
+static void wait_for_migration_complete(QTestState *who)
+{
+ while (true) {
+ QDict *rsp, *rsp_return;
+ bool completed;
+ const char *status;
+
+ rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
+ rsp_return = qdict_get_qdict(rsp, "return");
+ status = qdict_get_str(rsp_return, "status");
+ completed = strcmp(status, "completed") == 0;
+ g_assert_cmpstr(status, !=, "failed");
+ qobject_unref(rsp);
+ if (completed) {
+ return;
+ }
+ usleep(1000);
+ }
+}
+
+static void migration_start_qemu(QTestState **src_qemu, QTestState **dst_qemu,
+ SocketAddress *src_tpm_addr,
+ SocketAddress *dst_tpm_addr,
+ const char *miguri)
+{
+ char *src_qemu_args, *dst_qemu_args;
+
+ src_qemu_args = g_strdup_printf(
+ "-chardev socket,id=chr,path=%s "
+ "-tpmdev emulator,id=dev,chardev=chr "
+ "-device tpm-crb,tpmdev=dev ",
+ src_tpm_addr->u.q_unix.path);
+
+ *src_qemu = qtest_init(src_qemu_args);
+
+ dst_qemu_args = g_strdup_printf(
+ "-chardev socket,id=chr,path=%s "
+ "-tpmdev emulator,id=dev,chardev=chr "
+ "-device tpm-crb,tpmdev=dev "
+ "-incoming %s",
+ dst_tpm_addr->u.q_unix.path,
+ miguri);
+
+ *dst_qemu = qtest_init(dst_qemu_args);
+
+ free(src_qemu_args);
+ free(dst_qemu_args);
+}
+
+static void tpm_crb_swtpm_test(const void *data)
+{
+ char *args = NULL;
+ QTestState *s;
+ SocketAddress *addr = NULL;
+ gboolean succ;
+ GPid swtpm_pid;
+ GError *error = NULL;
+ const TestState *ts = data;
+
+ succ = tpm_util_swtpm_start(ts->src_tpm_path, &swtpm_pid, &addr, &error);
+ /* succ may be false if swtpm is not available */
+ if (!succ) {
+ return;
+ }
+
+ args = g_strdup_printf(
+ "-chardev socket,id=chr,path=%s "
+ "-tpmdev emulator,id=dev,chardev=chr "
+ "-device tpm-crb,tpmdev=dev",
+ addr->u.q_unix.path);
+
+ s = qtest_start(args);
+ g_free(args);
+
+ tpm_util_startup(s, tpm_util_crb_transfer);
+ tpm_util_pcrextend(s, tpm_util_crb_transfer);
+
+ unsigned char tpm_pcrread_resp[] =
+ "\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
+ "\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
+ "\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
+ "\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
+ tpm_util_pcrread(s, tpm_util_crb_transfer, tpm_pcrread_resp,
+ sizeof(tpm_pcrread_resp));
+
+ qtest_end();
+ tpm_util_swtpm_kill(swtpm_pid);
+
+ if (addr) {
+ g_unlink(addr->u.q_unix.path);
+ qapi_free_SocketAddress(addr);
+ }
+}
+
+static void tpm_crb_swtpm_migration_test(const void *data)
+{
+ const TestState *ts = data;
+ gboolean succ;
+ GPid src_tpm_pid, dst_tpm_pid;
+ SocketAddress *src_tpm_addr = NULL, *dst_tpm_addr = NULL;
+ GError *error = NULL;
+ QTestState *src_qemu, *dst_qemu;
+
+ succ = tpm_util_swtpm_start(ts->src_tpm_path, &src_tpm_pid,
+ &src_tpm_addr, &error);
+ /* succ may be false if swtpm is not available */
+ if (!succ) {
+ return;
+ }
+
+ succ = tpm_util_swtpm_start(ts->dst_tpm_path, &dst_tpm_pid,
+ &dst_tpm_addr, &error);
+ /* succ may be false if swtpm is not available */
+ if (!succ) {
+ goto err_src_tpm_kill;
+ }
+
+ migration_start_qemu(&src_qemu, &dst_qemu, src_tpm_addr, dst_tpm_addr,
+ ts->uri);
+
+ tpm_util_startup(src_qemu, tpm_util_crb_transfer);
+ tpm_util_pcrextend(src_qemu, tpm_util_crb_transfer);
+
+ unsigned char tpm_pcrread_resp[] =
+ "\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
+ "\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
+ "\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
+ "\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
+ tpm_util_pcrread(src_qemu, tpm_util_crb_transfer, tpm_pcrread_resp,
+ sizeof(tpm_pcrread_resp));
+
+ migrate(src_qemu, ts->uri);
+ wait_for_migration_complete(src_qemu);
+
+ tpm_util_pcrread(dst_qemu, tpm_util_crb_transfer, tpm_pcrread_resp,
+ sizeof(tpm_pcrread_resp));
+
+ qtest_quit(dst_qemu);
+ qtest_quit(src_qemu);
+
+ tpm_util_swtpm_kill(dst_tpm_pid);
+ if (dst_tpm_addr) {
+ g_unlink(dst_tpm_addr->u.q_unix.path);
+ qapi_free_SocketAddress(dst_tpm_addr);
+ }
+
+err_src_tpm_kill:
+ tpm_util_swtpm_kill(src_tpm_pid);
+ if (src_tpm_addr) {
+ g_unlink(src_tpm_addr->u.q_unix.path);
+ qapi_free_SocketAddress(src_tpm_addr);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ TestState ts = { 0 };
+
+ ts.src_tpm_path = g_dir_make_tmp("qemu-tpm-crb-swtpm-test.XXXXXX", NULL);
+ ts.dst_tpm_path = g_dir_make_tmp("qemu-tpm-crb-swtpm-test.XXXXXX", NULL);
+ ts.uri = g_strdup_printf("unix:%s/migsocket", ts.src_tpm_path);
+
+ module_call_init(MODULE_INIT_QOM);
+ g_test_init(&argc, &argv, NULL);
+
+ qtest_add_data_func("/tpm/crb-swtpm/test", &ts, tpm_crb_swtpm_test);
+ qtest_add_data_func("/tpm/crb-swtpm-migration/test", &ts,
+ tpm_crb_swtpm_migration_test);
+ ret = g_test_run();
+
+ g_rmdir(ts.dst_tpm_path);
+ g_free(ts.dst_tpm_path);
+ g_rmdir(ts.src_tpm_path);
+ g_free(ts.src_tpm_path);
+ g_free(ts.uri);
+
+ return ret;
+}