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-rw-r--r--tests/Makefile.include3
-rw-r--r--tests/tpm-crb-swtpm-test.c247
-rw-r--r--tests/tpm-util.c186
-rw-r--r--tests/tpm-util.h36
4 files changed, 472 insertions, 0 deletions
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 3b9a5e31a2..b499ba1813 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -297,6 +297,7 @@ check-qtest-i386-$(CONFIG_VHOST_USER_NET_TEST_i386) += tests/vhost-user-test$(EX
ifeq ($(CONFIG_VHOST_USER_NET_TEST_i386),)
check-qtest-x86_64-$(CONFIG_VHOST_USER_NET_TEST_x86_64) += tests/vhost-user-test$(EXESUF)
endif
+check-qtest-i386-$(CONFIG_TPM) += tests/tpm-crb-swtpm-test$(EXESUF)
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-crb-test$(EXESUF)
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-tis-test$(EXESUF)
check-qtest-i386-$(CONFIG_SLIRP) += tests/test-netfilter$(EXESUF)
@@ -721,6 +722,8 @@ tests/test-util-sockets$(EXESUF): tests/test-util-sockets.o \
tests/test-io-task$(EXESUF): tests/test-io-task.o $(test-io-obj-y)
tests/test-io-channel-socket$(EXESUF): tests/test-io-channel-socket.o \
tests/io-channel-helpers.o tests/socket-helpers.o $(test-io-obj-y)
+tests/tpm-crb-swtpm-test$(EXESUF): tests/tpm-crb-swtpm-test.o tests/tpm-emu.o \
+ tests/tpm-util.o $(test-io-obj-y)
tests/tpm-crb-test$(EXESUF): tests/tpm-crb-test.o tests/tpm-emu.o $(test-io-obj-y)
tests/tpm-tis-test$(EXESUF): tests/tpm-tis-test.o tests/tpm-emu.o $(test-io-obj-y)
tests/test-io-channel-file$(EXESUF): tests/test-io-channel-file.o \
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;
+}
diff --git a/tests/tpm-util.c b/tests/tpm-util.c
new file mode 100644
index 0000000000..c9b3947c1c
--- /dev/null
+++ b/tests/tpm-util.c
@@ -0,0 +1,186 @@
+/*
+ * QTest TPM utilities
+ *
+ * Copyright (c) 2018 IBM Corporation
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * Authors:
+ * Stefan Berger <stefanb@linux.vnet.ibm.com>
+ * Marc-André Lureau <marcandre.lureau@redhat.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 "hw/acpi/tpm.h"
+#include "libqtest.h"
+#include "tpm-util.h"
+
+void tpm_util_crb_transfer(QTestState *s,
+ const unsigned char *req, size_t req_size,
+ unsigned char *rsp, size_t rsp_size)
+{
+ uint64_t caddr = qtest_readq(s, TPM_CRB_ADDR_BASE + A_CRB_CTRL_CMD_LADDR);
+ uint64_t raddr = qtest_readq(s, TPM_CRB_ADDR_BASE + A_CRB_CTRL_RSP_ADDR);
+
+ qtest_writeb(s, TPM_CRB_ADDR_BASE + A_CRB_LOC_CTRL, 1);
+
+ qtest_memwrite(s, caddr, req, req_size);
+
+ uint32_t sts, start = 1;
+ uint64_t end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
+ qtest_writel(s, TPM_CRB_ADDR_BASE + A_CRB_CTRL_START, start);
+ while (true) {
+ start = qtest_readl(s, TPM_CRB_ADDR_BASE + A_CRB_CTRL_START);
+ if ((start & 1) == 0) {
+ break;
+ }
+ if (g_get_monotonic_time() >= end_time) {
+ break;
+ }
+ };
+ start = qtest_readl(s, TPM_CRB_ADDR_BASE + A_CRB_CTRL_START);
+ g_assert_cmpint(start & 1, ==, 0);
+ sts = qtest_readl(s, TPM_CRB_ADDR_BASE + A_CRB_CTRL_STS);
+ g_assert_cmpint(sts & 1, ==, 0);
+
+ qtest_memread(s, raddr, rsp, rsp_size);
+}
+
+void tpm_util_startup(QTestState *s, tx_func *tx)
+{
+ unsigned char buffer[1024];
+ unsigned char tpm_startup[] =
+ "\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00";
+ unsigned char tpm_startup_resp[] =
+ "\x80\x01\x00\x00\x00\x0a\x00\x00\x00\x00";
+
+ tx(s, tpm_startup, sizeof(tpm_startup), buffer, sizeof(buffer));
+
+ g_assert_cmpmem(buffer, sizeof(tpm_startup_resp),
+ tpm_startup_resp, sizeof(tpm_startup_resp));
+}
+
+void tpm_util_pcrextend(QTestState *s, tx_func *tx)
+{
+ unsigned char buffer[1024];
+ unsigned char tpm_pcrextend[] =
+ "\x80\x02\x00\x00\x00\x41\x00\x00\x01\x82\x00\x00\x00\x0a\x00\x00"
+ "\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00"
+ "\x0b\x74\x65\x73\x74\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
+ "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
+ "\x00";
+
+ unsigned char tpm_pcrextend_resp[] =
+ "\x80\x02\x00\x00\x00\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
+ "\x01\x00\x00";
+
+ tx(s, tpm_pcrextend, sizeof(tpm_pcrextend), buffer, sizeof(buffer));
+
+ g_assert_cmpmem(buffer, sizeof(tpm_pcrextend_resp),
+ tpm_pcrextend_resp, sizeof(tpm_pcrextend_resp));
+}
+
+void tpm_util_pcrread(QTestState *s, tx_func *tx,
+ const unsigned char *exp_resp, size_t exp_resp_size)
+{
+ unsigned char buffer[1024];
+ unsigned char tpm_pcrread[] =
+ "\x80\x01\x00\x00\x00\x14\x00\x00\x01\x7e\x00\x00\x00\x01\x00\x0b"
+ "\x03\x00\x04\x00";
+
+ tx(s, tpm_pcrread, sizeof(tpm_pcrread), buffer, sizeof(buffer));
+
+ g_assert_cmpmem(buffer, exp_resp_size, exp_resp, exp_resp_size);
+}
+
+static gboolean tpm_util_swtpm_has_tpm2(void)
+{
+ gint mystdout;
+ gboolean succ;
+ unsigned i;
+ char buffer[10240];
+ ssize_t n;
+ gchar *swtpm_argv[] = {
+ g_strdup("swtpm"), g_strdup("socket"), g_strdup("--help"), NULL
+ };
+
+ succ = g_spawn_async_with_pipes(NULL, swtpm_argv, NULL,
+ G_SPAWN_SEARCH_PATH, NULL, NULL, NULL,
+ NULL, &mystdout, NULL, NULL);
+ if (!succ) {
+ goto cleanup;
+ }
+
+ n = read(mystdout, buffer, sizeof(buffer) - 1);
+ if (n < 0) {
+ goto cleanup;
+ }
+ buffer[n] = 0;
+ if (!strstr(buffer, "--tpm2")) {
+ succ = false;
+ }
+
+ cleanup:
+ for (i = 0; swtpm_argv[i]; i++) {
+ g_free(swtpm_argv[i]);
+ }
+
+ return succ;
+}
+
+gboolean tpm_util_swtpm_start(const char *path, GPid *pid,
+ SocketAddress **addr, GError **error)
+{
+ char *swtpm_argv_tpmstate = g_strdup_printf("dir=%s", path);
+ char *swtpm_argv_ctrl = g_strdup_printf("type=unixio,path=%s/sock",
+ path);
+ gchar *swtpm_argv[] = {
+ g_strdup("swtpm"), g_strdup("socket"),
+ g_strdup("--tpmstate"), swtpm_argv_tpmstate,
+ g_strdup("--ctrl"), swtpm_argv_ctrl,
+ g_strdup("--tpm2"),
+ NULL
+ };
+ gboolean succ;
+ unsigned i;
+
+ succ = tpm_util_swtpm_has_tpm2();
+ if (!succ) {
+ goto cleanup;
+ }
+
+ *addr = g_new0(SocketAddress, 1);
+ (*addr)->type = SOCKET_ADDRESS_TYPE_UNIX;
+ (*addr)->u.q_unix.path = g_build_filename(path, "sock", NULL);
+
+ succ = g_spawn_async(NULL, swtpm_argv, NULL, G_SPAWN_SEARCH_PATH,
+ NULL, NULL, pid, error);
+
+cleanup:
+ for (i = 0; swtpm_argv[i]; i++) {
+ g_free(swtpm_argv[i]);
+ }
+
+ return succ;
+}
+
+void tpm_util_swtpm_kill(GPid pid)
+{
+ int n;
+
+ if (!pid) {
+ return;
+ }
+
+ g_spawn_close_pid(pid);
+
+ n = kill(pid, 0);
+ if (n < 0) {
+ return;
+ }
+
+ kill(pid, SIGKILL);
+}
diff --git a/tests/tpm-util.h b/tests/tpm-util.h
new file mode 100644
index 0000000000..d155d99aea
--- /dev/null
+++ b/tests/tpm-util.h
@@ -0,0 +1,36 @@
+/*
+ * QTest TPM utilities
+ *
+ * Copyright (c) 2018 IBM Corporation
+ *
+ * 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.
+ */
+
+#ifndef TESTS_TPM_UTIL_H
+#define TESTS_TPM_UTIL_H
+
+#include "qemu/osdep.h"
+#include "io/channel-socket.h"
+
+typedef void (tx_func)(QTestState *s,
+ const unsigned char *req, size_t req_size,
+ unsigned char *rsp, size_t rsp_size);
+
+void tpm_util_crb_transfer(QTestState *s,
+ const unsigned char *req, size_t req_size,
+ unsigned char *rsp, size_t rsp_size);
+
+void tpm_util_startup(QTestState *s, tx_func *tx);
+void tpm_util_pcrextend(QTestState *s, tx_func *tx);
+void tpm_util_pcrread(QTestState *s, tx_func *tx,
+ const unsigned char *exp_resp, size_t exp_resp_size);
+
+gboolean tpm_util_swtpm_start(const char *path, GPid *pid,
+ SocketAddress **addr, GError **error);
+void tpm_util_swtpm_kill(GPid pid);
+
+#endif /* TESTS_TPM_UTIL_H */
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-22 19:42:11 +0000