Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| 2 | * Use of this source code is governed by a BSD-style license that can be |
| 3 | * found in the LICENSE file. |
| 4 | * |
| 5 | * Tests for vboot_api_kernel, part 4 - select and load kernel |
| 6 | */ |
| 7 | |
Bill Richardson | 0c3ba24 | 2013-03-29 11:09:30 -0700 | [diff] [blame] | 8 | #include <stdint.h> |
Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | |
| 12 | #include "gbb_header.h" |
| 13 | #include "host_common.h" |
| 14 | #include "load_kernel_fw.h" |
| 15 | #include "rollback_index.h" |
| 16 | #include "test_common.h" |
| 17 | #include "vboot_audio.h" |
| 18 | #include "vboot_common.h" |
| 19 | #include "vboot_kernel.h" |
| 20 | #include "vboot_nvstorage.h" |
| 21 | #include "vboot_struct.h" |
| 22 | |
| 23 | /* Mock data */ |
| 24 | static VbCommonParams cparams; |
| 25 | static VbSelectAndLoadKernelParams kparams; |
| 26 | static VbNvContext vnc; |
| 27 | static uint8_t shared_data[VB_SHARED_DATA_MIN_SIZE]; |
| 28 | static VbSharedDataHeader *shared = (VbSharedDataHeader *)shared_data; |
| 29 | static GoogleBinaryBlockHeader gbb; |
| 30 | |
| 31 | static int ecsync_retval; |
| 32 | static uint32_t rkr_version; |
| 33 | static uint32_t new_version; |
| 34 | static int rkr_retval, rkw_retval, rkl_retval; |
| 35 | static VbError_t vbboot_retval; |
| 36 | |
| 37 | /* Reset mock data (for use before each test) */ |
| 38 | static void ResetMocks(void) |
| 39 | { |
| 40 | Memset(&cparams, 0, sizeof(cparams)); |
| 41 | cparams.shared_data_size = sizeof(shared_data); |
| 42 | cparams.shared_data_blob = shared_data; |
| 43 | cparams.gbb_data = &gbb; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 44 | cparams.gbb_size = sizeof(gbb); |
Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 45 | |
| 46 | Memset(&kparams, 0, sizeof(kparams)); |
| 47 | |
| 48 | Memset(&gbb, 0, sizeof(gbb)); |
| 49 | gbb.major_version = GBB_MAJOR_VER; |
| 50 | gbb.minor_version = GBB_MINOR_VER; |
| 51 | gbb.flags = 0; |
| 52 | |
| 53 | Memset(&vnc, 0, sizeof(vnc)); |
| 54 | VbNvSetup(&vnc); |
| 55 | VbNvTeardown(&vnc); /* So CRC gets generated */ |
| 56 | |
| 57 | Memset(&shared_data, 0, sizeof(shared_data)); |
| 58 | VbSharedDataInit(shared, sizeof(shared_data)); |
| 59 | |
| 60 | ecsync_retval = VBERROR_SUCCESS; |
| 61 | rkr_version = new_version = 0x10002; |
| 62 | rkr_retval = rkw_retval = rkl_retval = VBERROR_SUCCESS; |
| 63 | vbboot_retval = VBERROR_SUCCESS; |
| 64 | } |
| 65 | |
| 66 | /* Mock functions */ |
| 67 | |
| 68 | VbError_t VbExNvStorageRead(uint8_t *buf) |
| 69 | { |
| 70 | Memcpy(buf, vnc.raw, sizeof(vnc.raw)); |
| 71 | return VBERROR_SUCCESS; |
| 72 | } |
| 73 | |
| 74 | VbError_t VbExNvStorageWrite(const uint8_t *buf) |
| 75 | { |
| 76 | Memcpy(vnc.raw, buf, sizeof(vnc.raw)); |
| 77 | return VBERROR_SUCCESS; |
| 78 | } |
| 79 | |
Randall Spangler | e778ada | 2014-07-15 16:14:21 -0700 | [diff] [blame] | 80 | VbError_t VbEcSoftwareSync(int devidx, VbCommonParams *cparams) |
Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 81 | { |
| 82 | return ecsync_retval; |
| 83 | } |
| 84 | |
| 85 | uint32_t RollbackKernelRead(uint32_t *version) |
| 86 | { |
| 87 | *version = rkr_version; |
| 88 | return rkr_retval; |
| 89 | } |
| 90 | |
| 91 | uint32_t RollbackKernelWrite(uint32_t version) |
| 92 | { |
| 93 | TEST_EQ(version, new_version, "RollbackKernelWrite new version"); |
| 94 | rkr_version = version; |
| 95 | return rkw_retval; |
| 96 | } |
| 97 | |
Shawn Nematbakhsh | 964144b | 2013-07-22 13:33:46 -0700 | [diff] [blame] | 98 | uint32_t RollbackKernelLock(int recovery_mode) |
Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 99 | { |
| 100 | return rkl_retval; |
| 101 | } |
| 102 | |
| 103 | VbError_t VbBootNormal(VbCommonParams *cparams, LoadKernelParams *p) |
| 104 | { |
| 105 | shared->kernel_version_tpm = new_version; |
| 106 | |
| 107 | if (vbboot_retval == -1) |
| 108 | return VBERROR_SIMULATED; |
| 109 | |
| 110 | return vbboot_retval; |
| 111 | } |
| 112 | |
| 113 | VbError_t VbBootDeveloper(VbCommonParams *cparams, LoadKernelParams *p) |
| 114 | { |
| 115 | shared->kernel_version_tpm = new_version; |
| 116 | |
| 117 | if (vbboot_retval == -2) |
| 118 | return VBERROR_SIMULATED; |
| 119 | |
| 120 | return vbboot_retval; |
| 121 | } |
| 122 | |
| 123 | VbError_t VbBootRecovery(VbCommonParams *cparams, LoadKernelParams *p) |
| 124 | { |
| 125 | shared->kernel_version_tpm = new_version; |
| 126 | |
| 127 | if (vbboot_retval == -3) |
| 128 | return VBERROR_SIMULATED; |
| 129 | |
| 130 | return vbboot_retval; |
| 131 | } |
| 132 | |
| 133 | static void test_slk(VbError_t retval, int recovery_reason, const char *desc) |
| 134 | { |
| 135 | uint32_t u; |
| 136 | |
| 137 | TEST_EQ(VbSelectAndLoadKernel(&cparams, &kparams), retval, desc); |
| 138 | VbNvGet(&vnc, VBNV_RECOVERY_REQUEST, &u); |
| 139 | TEST_EQ(u, recovery_reason, " recovery reason"); |
| 140 | } |
| 141 | |
| 142 | /* Tests */ |
| 143 | |
| 144 | static void VbSlkTest(void) |
| 145 | { |
| 146 | ResetMocks(); |
| 147 | test_slk(0, 0, "Normal"); |
| 148 | |
| 149 | /* Software sync */ |
| 150 | ResetMocks(); |
| 151 | shared->flags |= VBSD_EC_SOFTWARE_SYNC; |
| 152 | ecsync_retval = VBERROR_SIMULATED; |
| 153 | test_slk(VBERROR_SIMULATED, 0, "EC sync bad"); |
| 154 | |
| 155 | ResetMocks(); |
| 156 | ecsync_retval = VBERROR_SIMULATED; |
| 157 | test_slk(0, 0, "EC sync not done"); |
| 158 | |
Randall Spangler | f2a1dc0 | 2013-06-11 16:53:07 -0700 | [diff] [blame] | 159 | ResetMocks(); |
| 160 | shared->flags |= VBSD_EC_SOFTWARE_SYNC; |
| 161 | gbb.flags |= GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC; |
| 162 | ecsync_retval = VBERROR_SIMULATED; |
| 163 | test_slk(0, 0, "EC sync disabled by GBB"); |
| 164 | |
Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 165 | /* Rollback kernel version */ |
| 166 | ResetMocks(); |
| 167 | rkr_retval = 123; |
| 168 | test_slk(VBERROR_TPM_READ_KERNEL, |
| 169 | VBNV_RECOVERY_RW_TPM_R_ERROR, "Read kernel rollback"); |
| 170 | |
| 171 | ResetMocks(); |
| 172 | new_version = 0x20003; |
| 173 | test_slk(0, 0, "Roll forward"); |
| 174 | TEST_EQ(rkr_version, 0x20003, " version"); |
| 175 | |
| 176 | ResetMocks(); |
| 177 | new_version = 0x20003; |
| 178 | shared->flags |= VBSD_FWB_TRIED; |
| 179 | shared->firmware_index = 1; |
| 180 | test_slk(0, 0, "Don't roll forward during try B"); |
| 181 | TEST_EQ(rkr_version, 0x10002, " version"); |
| 182 | |
| 183 | ResetMocks(); |
| 184 | vbboot_retval = VBERROR_INVALID_KERNEL_FOUND; |
| 185 | VbNvSet(&vnc, VBNV_RECOVERY_REQUEST, 123); |
| 186 | VbNvTeardown(&vnc); |
| 187 | shared->flags |= VBSD_FWB_TRIED; |
| 188 | shared->firmware_index = 1; |
| 189 | test_slk(VBERROR_INVALID_KERNEL_FOUND, |
| 190 | 0, "Don't go to recovery if try b fails to find a kernel"); |
| 191 | |
| 192 | ResetMocks(); |
| 193 | new_version = 0x20003; |
| 194 | rkw_retval = 123; |
| 195 | test_slk(VBERROR_TPM_WRITE_KERNEL, |
| 196 | VBNV_RECOVERY_RW_TPM_W_ERROR, "Write kernel rollback"); |
| 197 | |
| 198 | ResetMocks(); |
| 199 | rkl_retval = 123; |
| 200 | test_slk(VBERROR_TPM_LOCK_KERNEL, |
| 201 | VBNV_RECOVERY_RW_TPM_L_ERROR, "Lock kernel rollback"); |
| 202 | |
| 203 | /* Boot normal */ |
| 204 | ResetMocks(); |
| 205 | vbboot_retval = -1; |
| 206 | test_slk(VBERROR_SIMULATED, 0, "Normal boot bad"); |
| 207 | |
| 208 | /* Boot dev */ |
| 209 | ResetMocks(); |
| 210 | shared->flags |= VBSD_BOOT_DEV_SWITCH_ON; |
| 211 | vbboot_retval = -2; |
| 212 | test_slk(VBERROR_SIMULATED, 0, "Dev boot bad"); |
| 213 | |
| 214 | ResetMocks(); |
| 215 | shared->flags |= VBSD_BOOT_DEV_SWITCH_ON; |
| 216 | new_version = 0x20003; |
| 217 | test_slk(0, 0, "Dev doesn't roll forward"); |
| 218 | TEST_EQ(rkr_version, 0x10002, " version"); |
| 219 | |
| 220 | /* Boot recovery */ |
| 221 | ResetMocks(); |
| 222 | shared->recovery_reason = 123; |
| 223 | vbboot_retval = -3; |
| 224 | test_slk(VBERROR_SIMULATED, 0, "Recovery boot bad"); |
| 225 | |
| 226 | ResetMocks(); |
| 227 | shared->recovery_reason = 123; |
| 228 | new_version = 0x20003; |
| 229 | test_slk(0, 0, "Recovery doesn't roll forward"); |
| 230 | TEST_EQ(rkr_version, 0x10002, " version"); |
| 231 | |
| 232 | ResetMocks(); |
| 233 | shared->recovery_reason = 123; |
| 234 | rkr_retval = rkw_retval = rkl_retval = VBERROR_SIMULATED; |
| 235 | test_slk(0, 0, "Recovery ignore TPM errors"); |
| 236 | |
| 237 | |
| 238 | |
| 239 | // todo: rkr/w/l fail ignored if recovery |
| 240 | |
| 241 | |
| 242 | } |
| 243 | |
| 244 | int main(void) |
| 245 | { |
| 246 | VbSlkTest(); |
| 247 | |
Simon Glass | 2500185 | 2013-08-16 02:47:57 -0600 | [diff] [blame] | 248 | if (vboot_api_stub_check_memory()) |
| 249 | return 255; |
| 250 | |
Randall Spangler | 7f43669 | 2013-02-05 12:42:36 -0800 | [diff] [blame] | 251 | return gTestSuccess ? 0 : 255; |
| 252 | } |