tests/qtest/tpm-tests.c

   1 /*
   2  * QTest TPM commont test code
   3  *
   4  * Copyright (c) 2018 IBM Corporation
   5  * Copyright (c) 2018 Red Hat, Inc.
   6  *
   7  * Authors:
   8  *   Stefan Berger <stefanb@linux.vnet.ibm.com>
   9  *   Marc-André Lureau <marcandre.lureau@redhat.com>
  10  *
  11  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  12  * See the COPYING file in the top-level directory.
  13  */
  14
  15 #include "qemu/osdep.h"
  16 #include <glib/gstdio.h>
  17
  18 #include "libqtest-single.h"
  19 #include "tpm-tests.h"
  20
  21 static bool
  22 tpm_test_swtpm_skip(void)
  23 {
  24     if (!tpm_util_swtpm_has_tpm2()) {
  25         g_test_skip("swtpm not in PATH or missing --tpm2 support");
  26         return true;
  27     }
  28
  29     return false;
  30 }
  31
  32 void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
  33                          const char *ifmodel, const char *machine_options)
  34 {
  35     char *args = NULL;
  36     QTestState *s;
  37     SocketAddress *addr = NULL;
  38     gboolean succ;
  39     GPid swtpm_pid;
  40     GError *error = NULL;
  41
  42     if (tpm_test_swtpm_skip()) {
  43         return;
  44     }
  45
  46     succ = tpm_util_swtpm_start(src_tpm_path, &swtpm_pid, &addr, &error);
  47     g_assert_true(succ);
  48
  49     args = g_strdup_printf(
  50         "%s "
  51         "-chardev socket,id=chr,path=%s "
  52         "-tpmdev emulator,id=dev,chardev=chr "
  53         "-device %s,tpmdev=dev",
  54         machine_options ? : "", addr->u.q_unix.path, ifmodel);
  55
  56     s = qtest_start(args);
  57     g_free(args);
  58
  59     tpm_util_startup(s, tx);
  60     tpm_util_pcrextend(s, tx);
  61
  62     static const unsigned char tpm_pcrread_resp[] =
  63         "\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
  64         "\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
  65         "\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
  66         "\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
  67     tpm_util_pcrread(s, tx, tpm_pcrread_resp,
  68                      sizeof(tpm_pcrread_resp));
  69
  70     qtest_end();
  71     tpm_util_swtpm_kill(swtpm_pid);
  72
  73     g_unlink(addr->u.q_unix.path);
  74     qapi_free_SocketAddress(addr);
  75 }
  76
  77 void tpm_test_swtpm_migration_test(const char *src_tpm_path,
  78                                    const char *dst_tpm_path,
  79                                    const char *uri, tx_func *tx,
  80                                    const char *ifmodel,
  81                                    const char *machine_options)
  82 {
  83     gboolean succ;
  84     GPid src_tpm_pid, dst_tpm_pid;
  85     SocketAddress *src_tpm_addr = NULL, *dst_tpm_addr = NULL;
  86     GError *error = NULL;
  87     QTestState *src_qemu, *dst_qemu;
  88
  89     if (tpm_test_swtpm_skip()) {
  90         return;
  91     }
  92
  93     succ = tpm_util_swtpm_start(src_tpm_path, &src_tpm_pid,
  94                                 &src_tpm_addr, &error);
  95     g_assert_true(succ);
  96
  97     succ = tpm_util_swtpm_start(dst_tpm_path, &dst_tpm_pid,
  98                                 &dst_tpm_addr, &error);
  99     g_assert_true(succ);
 100
 101     tpm_util_migration_start_qemu(&src_qemu, &dst_qemu,
 102                                   src_tpm_addr, dst_tpm_addr, uri,
 103                                   ifmodel, machine_options);
 104
 105     tpm_util_startup(src_qemu, tx);
 106     tpm_util_pcrextend(src_qemu, tx);
 107
 108     static const unsigned char tpm_pcrread_resp[] =
 109         "\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
 110         "\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
 111         "\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
 112         "\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
 113     tpm_util_pcrread(src_qemu, tx, tpm_pcrread_resp,
 114                      sizeof(tpm_pcrread_resp));
 115
 116     tpm_util_migrate(src_qemu, uri);
 117     tpm_util_wait_for_migration_complete(src_qemu);
 118
 119     tpm_util_pcrread(dst_qemu, tx, tpm_pcrread_resp,
 120                      sizeof(tpm_pcrread_resp));
 121
 122     qtest_quit(dst_qemu);
 123     qtest_quit(src_qemu);
 124
 125     tpm_util_swtpm_kill(dst_tpm_pid);
 126     if (dst_tpm_addr) {
 127         g_unlink(dst_tpm_addr->u.q_unix.path);
 128         qapi_free_SocketAddress(dst_tpm_addr);
 129     }
 130
 131     tpm_util_swtpm_kill(src_tpm_pid);
 132     if (src_tpm_addr) {
 133         g_unlink(src_tpm_addr->u.q_unix.path);
 134         qapi_free_SocketAddress(src_tpm_addr);
 135     }
 136 }