diff options
Diffstat (limited to 'tests/tpm-crb-swtpm-test.c')
| -rw-r--r-- | tests/tpm-crb-swtpm-test.c | 247 |
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; +} |