LXR qemu/tests/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.h"
  19#include "tpm-tests.h"
  20
  21static bool
  22tpm_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
  32void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
  33                         const char *ifmodel)
  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        "-chardev socket,id=chr,path=%s "
  51        "-tpmdev emulator,id=dev,chardev=chr "
  52        "-device %s,tpmdev=dev",
  53        addr->u.q_unix.path, ifmodel);
  54
  55    s = qtest_start(args);
  56    g_free(args);
  57
  58    tpm_util_startup(s, tx);
  59    tpm_util_pcrextend(s, tx);
  60
  61    unsigned char tpm_pcrread_resp[] =
  62        "\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
  63        "\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
  64        "\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
  65        "\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
  66    tpm_util_pcrread(s, tx, tpm_pcrread_resp,
  67                     sizeof(tpm_pcrread_resp));
  68
  69    qtest_end();
  70    tpm_util_swtpm_kill(swtpm_pid);
  71
  72    if (addr) {
  73        g_unlink(addr->u.q_unix.path);
  74        qapi_free_SocketAddress(addr);
  75    }
  76}
  77
  78void tpm_test_swtpm_migration_test(const char *src_tpm_path,
  79                                   const char *dst_tpm_path,
  80                                   const char *uri, tx_func *tx,
  81                                   const char *ifmodel)
  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);
 104
 105    tpm_util_startup(src_qemu, tx);
 106    tpm_util_pcrextend(src_qemu, tx);
 107
 108    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}
 137