Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2014 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 misc library |
| 6 | */ |
| 7 | |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 8 | #include "2sysincludes.h" |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 9 | #include "2api.h" |
| 10 | #include "2common.h" |
| 11 | #include "2misc.h" |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 12 | #include "2nvstorage.h" |
| 13 | #include "2secdata.h" |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 14 | |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 15 | #include "test_common.h" |
| 16 | |
| 17 | /* Common context for tests */ |
| 18 | static uint8_t workbuf[VB2_WORKBUF_RECOMMENDED_SIZE] |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 19 | __attribute__ ((aligned (VB2_WORKBUF_ALIGN))); |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 20 | static struct vb2_context cc; |
| 21 | static struct vb2_shared_data *sd; |
| 22 | |
| 23 | /* Mocked function data */ |
| 24 | enum vb2_resource_index mock_resource_index; |
| 25 | void *mock_resource_ptr; |
| 26 | uint32_t mock_resource_size; |
| 27 | int mock_tpm_clear_called; |
| 28 | int mock_tpm_clear_retval; |
| 29 | |
| 30 | |
| 31 | static void reset_common_data(void) |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 32 | { |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 33 | memset(workbuf, 0xaa, sizeof(workbuf)); |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 34 | |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 35 | memset(&cc, 0, sizeof(cc)); |
| 36 | cc.workbuf = workbuf; |
| 37 | cc.workbuf_size = sizeof(workbuf); |
| 38 | |
| 39 | vb2_init_context(&cc); |
| 40 | sd = vb2_get_sd(&cc); |
| 41 | |
| 42 | vb2_nv_init(&cc); |
| 43 | |
| 44 | vb2_secdata_create(&cc); |
| 45 | vb2_secdata_init(&cc); |
| 46 | |
| 47 | mock_tpm_clear_called = 0; |
| 48 | mock_tpm_clear_retval = VB2_SUCCESS; |
| 49 | }; |
| 50 | |
| 51 | /* Mocked functions */ |
| 52 | |
| 53 | int vb2ex_read_resource(struct vb2_context *ctx, |
| 54 | enum vb2_resource_index index, |
| 55 | uint32_t offset, |
| 56 | void *buf, |
| 57 | uint32_t size) |
| 58 | { |
| 59 | if (index != mock_resource_index) |
| 60 | return VB2_ERROR_EX_READ_RESOURCE_INDEX; |
| 61 | |
| 62 | if (offset > mock_resource_size || offset + size > mock_resource_size) |
| 63 | return VB2_ERROR_EX_READ_RESOURCE_SIZE; |
| 64 | |
| 65 | memcpy(buf, (uint8_t *)mock_resource_ptr + offset, size); |
| 66 | return VB2_SUCCESS; |
| 67 | } |
| 68 | |
| 69 | int vb2ex_tpm_clear_owner(struct vb2_context *ctx) |
| 70 | { |
| 71 | mock_tpm_clear_called++; |
| 72 | |
| 73 | return mock_tpm_clear_retval; |
| 74 | } |
| 75 | |
| 76 | /* Tests */ |
| 77 | |
| 78 | static void init_context_tests(void) |
| 79 | { |
| 80 | /* Use our own context struct so we can re-init it */ |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 81 | struct vb2_context c = { |
| 82 | .workbuf = workbuf, |
| 83 | .workbuf_size = sizeof(workbuf), |
| 84 | }; |
| 85 | |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 86 | reset_common_data(); |
| 87 | |
Randall Spangler | 224f5ac | 2014-06-06 09:42:30 -0700 | [diff] [blame] | 88 | TEST_SUCC(vb2_init_context(&c), "Init context good"); |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 89 | TEST_EQ(c.workbuf_used, sizeof(struct vb2_shared_data), |
| 90 | "Init vbsd"); |
| 91 | |
| 92 | /* Don't re-init if used is non-zero */ |
| 93 | c.workbuf_used = 200; |
Randall Spangler | 224f5ac | 2014-06-06 09:42:30 -0700 | [diff] [blame] | 94 | TEST_SUCC(vb2_init_context(&c), "Re-init context good"); |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 95 | TEST_EQ(c.workbuf_used, 200, "Didn't re-init"); |
| 96 | |
| 97 | /* Handle workbuf errors */ |
| 98 | c.workbuf_used = 0; |
| 99 | c.workbuf_size = sizeof(struct vb2_shared_data) - 1; |
Randall Spangler | 224f5ac | 2014-06-06 09:42:30 -0700 | [diff] [blame] | 100 | TEST_EQ(vb2_init_context(&c), |
| 101 | VB2_ERROR_INITCTX_WORKBUF_SMALL, "Init too small"); |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 102 | c.workbuf_size = sizeof(workbuf); |
| 103 | |
| 104 | /* Handle workbuf unaligned */ |
| 105 | c.workbuf++; |
Randall Spangler | 224f5ac | 2014-06-06 09:42:30 -0700 | [diff] [blame] | 106 | TEST_EQ(vb2_init_context(&c), |
| 107 | VB2_ERROR_INITCTX_WORKBUF_ALIGN, "Init unaligned"); |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 110 | static void misc_tests(void) |
| 111 | { |
| 112 | struct vb2_workbuf wb; |
| 113 | |
| 114 | reset_common_data(); |
| 115 | cc.workbuf_used = 16; |
| 116 | |
| 117 | vb2_workbuf_from_ctx(&cc, &wb); |
| 118 | |
| 119 | TEST_PTR_EQ(wb.buf, workbuf + 16, "vb_workbuf_from_ctx() buf"); |
| 120 | TEST_EQ(wb.size, cc.workbuf_size - 16, "vb_workbuf_from_ctx() size"); |
| 121 | } |
| 122 | |
| 123 | static void gbb_tests(void) |
| 124 | { |
| 125 | struct vb2_gbb_header gbb = { |
| 126 | .signature = {'$', 'G', 'B', 'B'}, |
| 127 | .major_version = VB2_GBB_MAJOR_VER, |
| 128 | .minor_version = VB2_GBB_MINOR_VER, |
| 129 | .header_size = sizeof(struct vb2_gbb_header), |
| 130 | .flags = 0x1234, |
| 131 | .rootkey_offset = 240, |
| 132 | .rootkey_size = 1040, |
| 133 | }; |
| 134 | |
| 135 | struct vb2_gbb_header gbbdest; |
| 136 | |
Bill Richardson | 6df3e33 | 2014-10-02 18:50:33 -0700 | [diff] [blame] | 137 | TEST_EQ(sizeof(struct vb2_gbb_header), |
Randall Spangler | 21f100c | 2014-10-16 10:32:43 -0700 | [diff] [blame] | 138 | EXPECTED_VB2_GBB_HEADER_SIZE, |
Bill Richardson | 6df3e33 | 2014-10-02 18:50:33 -0700 | [diff] [blame] | 139 | "sizeof(struct vb2_gbb_header)"); |
| 140 | |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 141 | reset_common_data(); |
| 142 | |
| 143 | /* Good contents */ |
| 144 | mock_resource_index = VB2_RES_GBB; |
| 145 | mock_resource_ptr = &gbb; |
| 146 | mock_resource_size = sizeof(gbb); |
| 147 | TEST_SUCC(vb2_read_gbb_header(&cc, &gbbdest), "read gbb header good"); |
| 148 | TEST_SUCC(memcmp(&gbb, &gbbdest, sizeof(gbb)), "read gbb contents"); |
| 149 | |
| 150 | mock_resource_index = VB2_RES_GBB + 1; |
| 151 | TEST_EQ(vb2_read_gbb_header(&cc, &gbbdest), |
| 152 | VB2_ERROR_EX_READ_RESOURCE_INDEX, "read gbb header missing"); |
| 153 | mock_resource_index = VB2_RES_GBB; |
| 154 | |
| 155 | gbb.signature[0]++; |
| 156 | TEST_EQ(vb2_read_gbb_header(&cc, &gbbdest), |
| 157 | VB2_ERROR_GBB_MAGIC, "read gbb header bad magic"); |
| 158 | gbb.signature[0]--; |
| 159 | |
Randall Spangler | b035e37 | 2014-10-22 15:21:32 -0700 | [diff] [blame] | 160 | gbb.major_version = VB2_GBB_MAJOR_VER + 1; |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 161 | TEST_EQ(vb2_read_gbb_header(&cc, &gbbdest), |
| 162 | VB2_ERROR_GBB_VERSION, "read gbb header major version"); |
Randall Spangler | b035e37 | 2014-10-22 15:21:32 -0700 | [diff] [blame] | 163 | gbb.major_version = VB2_GBB_MAJOR_VER; |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 164 | |
Randall Spangler | b035e37 | 2014-10-22 15:21:32 -0700 | [diff] [blame] | 165 | gbb.minor_version = VB2_GBB_MINOR_VER + 1; |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 166 | TEST_SUCC(vb2_read_gbb_header(&cc, &gbbdest), |
| 167 | "read gbb header minor++"); |
Randall Spangler | b035e37 | 2014-10-22 15:21:32 -0700 | [diff] [blame] | 168 | gbb.minor_version = 1; |
| 169 | TEST_SUCC(vb2_read_gbb_header(&cc, &gbbdest), |
| 170 | "read gbb header 1.1"); |
| 171 | gbb.minor_version = 0; |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 172 | TEST_EQ(vb2_read_gbb_header(&cc, &gbbdest), |
Randall Spangler | b035e37 | 2014-10-22 15:21:32 -0700 | [diff] [blame] | 173 | VB2_ERROR_GBB_TOO_OLD, "read gbb header 1.0 fails"); |
| 174 | gbb.minor_version = VB2_GBB_MINOR_VER; |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 175 | |
| 176 | gbb.header_size--; |
| 177 | TEST_EQ(vb2_read_gbb_header(&cc, &gbbdest), |
| 178 | VB2_ERROR_GBB_HEADER_SIZE, "read gbb header size"); |
| 179 | TEST_EQ(vb2_fw_parse_gbb(&cc), |
| 180 | VB2_ERROR_GBB_HEADER_SIZE, "parse gbb failure"); |
| 181 | gbb.header_size++; |
| 182 | |
| 183 | /* Parse GBB */ |
| 184 | TEST_SUCC(vb2_fw_parse_gbb(&cc), "parse gbb"); |
| 185 | TEST_EQ(sd->gbb_flags, gbb.flags, "gbb flags"); |
| 186 | TEST_EQ(sd->gbb_rootkey_offset, gbb.rootkey_offset, "rootkey offset"); |
| 187 | TEST_EQ(sd->gbb_rootkey_size, gbb.rootkey_size, "rootkey size"); |
| 188 | |
| 189 | /* Workbuf failure */ |
| 190 | reset_common_data(); |
| 191 | cc.workbuf_used = cc.workbuf_size - 4; |
| 192 | TEST_EQ(vb2_fw_parse_gbb(&cc), |
| 193 | VB2_ERROR_GBB_WORKBUF, "parse gbb no workbuf"); |
| 194 | } |
| 195 | |
| 196 | static void fail_tests(void) |
| 197 | { |
| 198 | /* Early fail (before even NV init) */ |
| 199 | reset_common_data(); |
| 200 | sd->status &= ~VB2_SD_STATUS_NV_INIT; |
| 201 | vb2_fail(&cc, 1, 2); |
| 202 | TEST_NEQ(sd->status & VB2_SD_STATUS_NV_INIT, 0, "vb2_fail inits NV"); |
| 203 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), |
| 204 | 1, "vb2_fail request"); |
| 205 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_SUBCODE), |
| 206 | 2, "vb2_fail subcode"); |
| 207 | |
| 208 | /* Repeated fail doesn't overwrite the error code */ |
| 209 | vb2_fail(&cc, 3, 4); |
| 210 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), |
| 211 | 1, "vb2_fail repeat"); |
| 212 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_SUBCODE), |
| 213 | 2, "vb2_fail repeat2"); |
| 214 | |
| 215 | /* Fail with other slot good doesn't trigger recovery */ |
| 216 | reset_common_data(); |
| 217 | vb2_nv_set(&cc, VB2_NV_TRY_COUNT, 3); |
| 218 | vb2_nv_set(&cc, VB2_NV_FW_RESULT, VB2_FW_RESULT_UNKNOWN); |
| 219 | sd->status |= VB2_SD_STATUS_CHOSE_SLOT; |
| 220 | sd->fw_slot = 0; |
| 221 | sd->last_fw_slot = 1; |
| 222 | sd->last_fw_result = VB2_FW_RESULT_UNKNOWN; |
| 223 | vb2_fail(&cc, 5, 6); |
| 224 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), 0, "vb2_failover"); |
| 225 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), |
| 226 | VB2_FW_RESULT_FAILURE, "vb2_fail this fw"); |
| 227 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_COUNT), 0, "vb2_fail use up tries"); |
| 228 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_NEXT), 1, "vb2_fail try other slot"); |
| 229 | |
| 230 | /* Fail with other slot already failing triggers recovery */ |
| 231 | reset_common_data(); |
| 232 | sd->status |= VB2_SD_STATUS_CHOSE_SLOT; |
| 233 | sd->fw_slot = 1; |
| 234 | sd->last_fw_slot = 0; |
| 235 | sd->last_fw_result = VB2_FW_RESULT_FAILURE; |
| 236 | vb2_fail(&cc, 7, 8); |
| 237 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), 7, |
| 238 | "vb2_fail both slots bad"); |
| 239 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), |
| 240 | VB2_FW_RESULT_FAILURE, "vb2_fail this fw"); |
| 241 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_NEXT), 0, "vb2_fail try other slot"); |
| 242 | } |
| 243 | |
| 244 | static void recovery_tests(void) |
| 245 | { |
| 246 | /* No recovery */ |
| 247 | reset_common_data(); |
| 248 | vb2_check_recovery(&cc); |
| 249 | TEST_EQ(sd->recovery_reason, 0, "No recovery reason"); |
| 250 | TEST_EQ(sd->flags & VB2_SD_FLAG_MANUAL_RECOVERY, |
| 251 | 0, "Not manual recovery"); |
| 252 | TEST_EQ(cc.flags & VB2_CONTEXT_RECOVERY_MODE, |
| 253 | 0, "Not recovery mode"); |
| 254 | |
| 255 | /* From request */ |
| 256 | reset_common_data(); |
| 257 | vb2_nv_set(&cc, VB2_NV_RECOVERY_REQUEST, 3); |
| 258 | vb2_check_recovery(&cc); |
| 259 | TEST_EQ(sd->recovery_reason, 3, "Recovery reason from request"); |
| 260 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), 0, "NV cleared"); |
| 261 | TEST_EQ(sd->flags & VB2_SD_FLAG_MANUAL_RECOVERY, |
| 262 | 0, "Not manual recovery"); |
| 263 | TEST_NEQ(cc.flags & VB2_CONTEXT_RECOVERY_MODE, |
| 264 | 0, "Recovery mode"); |
| 265 | |
| 266 | /* From request, but already failed */ |
| 267 | reset_common_data(); |
| 268 | vb2_nv_set(&cc, VB2_NV_RECOVERY_REQUEST, 4); |
| 269 | sd->recovery_reason = 5; |
| 270 | vb2_check_recovery(&cc); |
| 271 | TEST_EQ(sd->recovery_reason, 5, "Recovery reason already failed"); |
| 272 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), |
| 273 | 0, "NV still cleared"); |
| 274 | |
| 275 | /* Override */ |
| 276 | reset_common_data(); |
| 277 | sd->recovery_reason = 6; |
| 278 | cc.flags |= VB2_CONTEXT_FORCE_RECOVERY_MODE; |
| 279 | vb2_check_recovery(&cc); |
| 280 | TEST_EQ(sd->recovery_reason, VB2_RECOVERY_RO_MANUAL, |
| 281 | "Recovery reason forced"); |
| 282 | TEST_NEQ(sd->flags & VB2_SD_FLAG_MANUAL_RECOVERY, |
| 283 | 0, "SD flag set"); |
| 284 | } |
| 285 | |
| 286 | static void dev_switch_tests(void) |
| 287 | { |
| 288 | uint32_t v; |
| 289 | |
| 290 | /* Normal mode */ |
| 291 | reset_common_data(); |
| 292 | TEST_SUCC(vb2_check_dev_switch(&cc), "dev mode off"); |
| 293 | TEST_EQ(sd->flags & VB2_SD_DEV_MODE_ENABLED, 0, "sd not in dev"); |
| 294 | TEST_EQ(cc.flags & VB2_CONTEXT_DEVELOPER_MODE, 0, "ctx not in dev"); |
| 295 | TEST_EQ(mock_tpm_clear_called, 0, "no tpm clear"); |
| 296 | |
| 297 | /* Dev mode */ |
| 298 | reset_common_data(); |
| 299 | vb2_secdata_set(&cc, VB2_SECDATA_FLAGS, |
| 300 | (VB2_SECDATA_FLAG_DEV_MODE | |
| 301 | VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER)); |
| 302 | TEST_SUCC(vb2_check_dev_switch(&cc), "dev mode on"); |
| 303 | TEST_NEQ(sd->flags & VB2_SD_DEV_MODE_ENABLED, 0, "sd in dev"); |
| 304 | TEST_NEQ(cc.flags & VB2_CONTEXT_DEVELOPER_MODE, 0, "ctx in dev"); |
| 305 | TEST_EQ(mock_tpm_clear_called, 0, "no tpm clear"); |
| 306 | |
| 307 | /* Any normal mode boot clears dev boot flags */ |
| 308 | reset_common_data(); |
| 309 | vb2_nv_set(&cc, VB2_NV_DEV_BOOT_USB, 1); |
| 310 | vb2_nv_set(&cc, VB2_NV_DEV_BOOT_LEGACY, 1); |
| 311 | vb2_nv_set(&cc, VB2_NV_DEV_BOOT_SIGNED_ONLY, 1); |
| 312 | TEST_SUCC(vb2_check_dev_switch(&cc), "dev mode off"); |
| 313 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_DEV_BOOT_USB), |
| 314 | 0, "cleared dev boot usb"); |
| 315 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_DEV_BOOT_LEGACY), |
| 316 | 0, "cleared dev boot legacy"); |
| 317 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_DEV_BOOT_SIGNED_ONLY), |
| 318 | 0, "cleared dev boot signed only"); |
| 319 | |
| 320 | /* Normal-dev transition clears TPM */ |
| 321 | reset_common_data(); |
| 322 | vb2_secdata_set(&cc, VB2_SECDATA_FLAGS, VB2_SECDATA_FLAG_DEV_MODE); |
| 323 | TEST_SUCC(vb2_check_dev_switch(&cc), "to dev mode"); |
| 324 | TEST_EQ(mock_tpm_clear_called, 1, "tpm clear"); |
| 325 | vb2_secdata_get(&cc, VB2_SECDATA_FLAGS, &v); |
| 326 | TEST_EQ(v, (VB2_SECDATA_FLAG_DEV_MODE | |
| 327 | VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER), |
| 328 | "last boot developer now"); |
| 329 | |
| 330 | /* Dev-normal transition clears TPM too */ |
| 331 | reset_common_data(); |
| 332 | vb2_secdata_set(&cc, VB2_SECDATA_FLAGS, |
| 333 | VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER); |
| 334 | TEST_SUCC(vb2_check_dev_switch(&cc), "from dev mode"); |
| 335 | TEST_EQ(mock_tpm_clear_called, 1, "tpm clear"); |
| 336 | vb2_secdata_get(&cc, VB2_SECDATA_FLAGS, &v); |
| 337 | TEST_EQ(v, 0, "last boot not developer now"); |
| 338 | |
| 339 | /* Disable dev mode */ |
| 340 | reset_common_data(); |
| 341 | vb2_secdata_set(&cc, VB2_SECDATA_FLAGS, |
| 342 | (VB2_SECDATA_FLAG_DEV_MODE | |
| 343 | VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER)); |
| 344 | vb2_nv_set(&cc, VB2_NV_DISABLE_DEV_REQUEST, 1); |
| 345 | TEST_SUCC(vb2_check_dev_switch(&cc), "disable dev request"); |
| 346 | TEST_EQ(sd->flags & VB2_SD_DEV_MODE_ENABLED, 0, "sd not in dev"); |
| 347 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_DISABLE_DEV_REQUEST), |
| 348 | 0, "request cleared"); |
| 349 | |
| 350 | /* Force enabled by gbb */ |
| 351 | reset_common_data(); |
| 352 | sd->gbb_flags |= VB2_GBB_FLAG_FORCE_DEV_SWITCH_ON; |
| 353 | TEST_SUCC(vb2_check_dev_switch(&cc), "dev on via gbb"); |
| 354 | TEST_NEQ(sd->flags & VB2_SD_DEV_MODE_ENABLED, 0, "sd in dev"); |
| 355 | vb2_secdata_get(&cc, VB2_SECDATA_FLAGS, &v); |
| 356 | TEST_EQ(v, VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER, |
| 357 | "doesn't set dev on in secdata but does set last boot dev"); |
| 358 | TEST_EQ(mock_tpm_clear_called, 1, "tpm clear"); |
| 359 | |
| 360 | /* Force enabled by ctx flag */ |
| 361 | reset_common_data(); |
| 362 | cc.flags |= VB2_CONTEXT_FORCE_DEVELOPER_MODE; |
| 363 | TEST_SUCC(vb2_check_dev_switch(&cc), "dev on via ctx flag"); |
| 364 | TEST_NEQ(sd->flags & VB2_SD_DEV_MODE_ENABLED, 0, "sd in dev"); |
| 365 | vb2_secdata_get(&cc, VB2_SECDATA_FLAGS, &v); |
| 366 | TEST_EQ(v, VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER, |
| 367 | "doesn't set dev on in secdata but does set last boot dev"); |
| 368 | TEST_EQ(mock_tpm_clear_called, 1, "tpm clear"); |
| 369 | |
| 370 | /* Simulate clear owner failure */ |
| 371 | reset_common_data(); |
| 372 | vb2_secdata_set(&cc, VB2_SECDATA_FLAGS, |
| 373 | VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER); |
| 374 | mock_tpm_clear_retval = VB2_ERROR_EX_TPM_CLEAR_OWNER; |
| 375 | TEST_EQ(vb2_check_dev_switch(&cc), |
| 376 | VB2_ERROR_EX_TPM_CLEAR_OWNER, "tpm clear fail"); |
| 377 | TEST_EQ(mock_tpm_clear_called, 1, "tpm clear"); |
| 378 | vb2_secdata_get(&cc, VB2_SECDATA_FLAGS, &v); |
| 379 | TEST_EQ(v, VB2_SECDATA_FLAG_LAST_BOOT_DEVELOPER, |
| 380 | "last boot still developer"); |
| 381 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_REQUEST), |
| 382 | VB2_RECOVERY_TPM_CLEAR_OWNER, "requests recovery"); |
| 383 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_RECOVERY_SUBCODE), |
| 384 | (uint8_t)VB2_ERROR_EX_TPM_CLEAR_OWNER, "recovery subcode"); |
| 385 | } |
| 386 | |
| 387 | static void tpm_clear_tests(void) |
| 388 | { |
| 389 | /* No clear request */ |
| 390 | reset_common_data(); |
| 391 | TEST_SUCC(vb2_check_tpm_clear(&cc), "no clear request"); |
| 392 | TEST_EQ(mock_tpm_clear_called, 0, "tpm not cleared"); |
| 393 | |
| 394 | /* Successful request */ |
| 395 | reset_common_data(); |
| 396 | vb2_nv_set(&cc, VB2_NV_CLEAR_TPM_OWNER_REQUEST, 1); |
| 397 | TEST_SUCC(vb2_check_tpm_clear(&cc), "clear request"); |
| 398 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_CLEAR_TPM_OWNER_REQUEST), |
| 399 | 0, "request cleared"); |
| 400 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_CLEAR_TPM_OWNER_DONE), |
| 401 | 1, "done set"); |
| 402 | TEST_EQ(mock_tpm_clear_called, 1, "tpm cleared"); |
| 403 | |
| 404 | /* Failed request */ |
| 405 | reset_common_data(); |
| 406 | mock_tpm_clear_retval = VB2_ERROR_EX_TPM_CLEAR_OWNER; |
| 407 | vb2_nv_set(&cc, VB2_NV_CLEAR_TPM_OWNER_REQUEST, 1); |
| 408 | TEST_EQ(vb2_check_tpm_clear(&cc), |
| 409 | VB2_ERROR_EX_TPM_CLEAR_OWNER, "clear failure"); |
| 410 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_CLEAR_TPM_OWNER_REQUEST), |
| 411 | 0, "request cleared"); |
| 412 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_CLEAR_TPM_OWNER_DONE), |
| 413 | 0, "done not set"); |
| 414 | } |
| 415 | |
| 416 | static void select_slot_tests(void) |
| 417 | { |
| 418 | /* Slot A */ |
| 419 | reset_common_data(); |
| 420 | TEST_SUCC(vb2_select_fw_slot(&cc), "select slot A"); |
| 421 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), |
| 422 | VB2_FW_RESULT_UNKNOWN, "result unknown"); |
| 423 | TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); |
Randall Spangler | d300ca8 | 2014-10-02 11:59:30 -0700 | [diff] [blame] | 424 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 0, "tried A"); |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 425 | TEST_EQ(sd->fw_slot, 0, "selected A"); |
| 426 | TEST_EQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "didn't choose B"); |
| 427 | |
| 428 | /* Slot B */ |
| 429 | reset_common_data(); |
| 430 | vb2_nv_set(&cc, VB2_NV_TRY_NEXT, 1); |
| 431 | TEST_SUCC(vb2_select_fw_slot(&cc), "select slot B"); |
| 432 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), |
| 433 | VB2_FW_RESULT_UNKNOWN, "result unknown"); |
| 434 | TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); |
Randall Spangler | d300ca8 | 2014-10-02 11:59:30 -0700 | [diff] [blame] | 435 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 1, "tried B"); |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 436 | TEST_EQ(sd->fw_slot, 1, "selected B"); |
| 437 | TEST_NEQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "ctx says choose B"); |
| 438 | |
| 439 | /* Slot A ran out of tries */ |
| 440 | reset_common_data(); |
| 441 | vb2_nv_set(&cc, VB2_NV_FW_RESULT, VB2_FW_RESULT_TRYING); |
| 442 | TEST_SUCC(vb2_select_fw_slot(&cc), "select slot A out of tries"); |
| 443 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_NEXT), 1, "try B next"); |
| 444 | TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); |
Randall Spangler | d300ca8 | 2014-10-02 11:59:30 -0700 | [diff] [blame] | 445 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 1, "tried B"); |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 446 | TEST_EQ(sd->fw_slot, 1, "selected B"); |
| 447 | TEST_NEQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "ctx says choose B"); |
| 448 | |
| 449 | /* Slot A used up a try */ |
| 450 | reset_common_data(); |
| 451 | vb2_nv_set(&cc, VB2_NV_TRY_COUNT, 3); |
| 452 | TEST_SUCC(vb2_select_fw_slot(&cc), "try slot A"); |
| 453 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_RESULT), |
| 454 | VB2_FW_RESULT_TRYING, "result trying"); |
| 455 | TEST_NEQ(sd->status & VB2_SD_STATUS_CHOSE_SLOT, 0, "chose slot"); |
Randall Spangler | d300ca8 | 2014-10-02 11:59:30 -0700 | [diff] [blame] | 456 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_TRIED), 0, "tried A"); |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 457 | TEST_EQ(sd->fw_slot, 0, "selected A"); |
| 458 | TEST_EQ(cc.flags & VB2_CONTEXT_FW_SLOT_B, 0, "didn't choose B"); |
| 459 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_TRY_COUNT), 2, "tries decremented"); |
Randall Spangler | 782300d | 2014-09-23 12:20:31 -0700 | [diff] [blame] | 460 | |
| 461 | /* Tried/result get copied to the previous fields */ |
| 462 | reset_common_data(); |
| 463 | vb2_nv_set(&cc, VB2_NV_FW_TRIED, 0); |
| 464 | vb2_nv_set(&cc, VB2_NV_FW_RESULT, VB2_FW_RESULT_SUCCESS); |
| 465 | vb2_select_fw_slot(&cc); |
| 466 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_PREV_TRIED), 0, "prev A"); |
| 467 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_PREV_RESULT), VB2_FW_RESULT_SUCCESS, |
| 468 | "prev success"); |
| 469 | |
| 470 | reset_common_data(); |
| 471 | vb2_nv_set(&cc, VB2_NV_FW_TRIED, 1); |
| 472 | vb2_nv_set(&cc, VB2_NV_FW_RESULT, VB2_FW_RESULT_FAILURE); |
| 473 | vb2_select_fw_slot(&cc); |
| 474 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_PREV_TRIED), 1, "prev B"); |
| 475 | TEST_EQ(vb2_nv_get(&cc, VB2_NV_FW_PREV_RESULT), VB2_FW_RESULT_FAILURE, |
| 476 | "prev failure"); |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 477 | } |
| 478 | |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 479 | int main(int argc, char* argv[]) |
| 480 | { |
Randall Spangler | da2b49c | 2014-06-10 17:03:40 -0700 | [diff] [blame] | 481 | init_context_tests(); |
| 482 | misc_tests(); |
| 483 | gbb_tests(); |
| 484 | fail_tests(); |
| 485 | recovery_tests(); |
| 486 | dev_switch_tests(); |
| 487 | tpm_clear_tests(); |
| 488 | select_slot_tests(); |
Randall Spangler | 3333e57 | 2014-05-14 11:37:52 -0700 | [diff] [blame] | 489 | |
| 490 | return gTestSuccess ? 0 : 255; |
| 491 | } |