Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -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_kernel.c |
| 6 | */ |
| 7 | |
Bill Richardson | 0c3ba24 | 2013-03-29 11:09:30 -0700 | [diff] [blame] | 8 | #include <stdint.h> |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <string.h> |
| 12 | |
| 13 | #include "cgptlib.h" |
| 14 | #include "gbb_header.h" |
| 15 | #include "gpt.h" |
| 16 | #include "host_common.h" |
| 17 | #include "load_kernel_fw.h" |
| 18 | #include "test_common.h" |
| 19 | #include "vboot_api.h" |
| 20 | #include "vboot_common.h" |
| 21 | #include "vboot_kernel.h" |
| 22 | #include "vboot_nvstorage.h" |
| 23 | |
| 24 | #define LOGCALL(fmt, args...) sprintf(call_log + strlen(call_log), fmt, ##args) |
| 25 | #define TEST_CALLS(expect_log) TEST_STR_EQ(call_log, expect_log, " calls") |
| 26 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 27 | /* Mock kernel partition */ |
| 28 | struct mock_part { |
| 29 | uint32_t start; |
| 30 | uint32_t size; |
| 31 | }; |
| 32 | |
| 33 | /* Partition list; ends with a 0-size partition. */ |
| 34 | #define MOCK_PART_COUNT 8 |
| 35 | static struct mock_part mock_parts[MOCK_PART_COUNT]; |
| 36 | static int mock_part_next; |
| 37 | |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 38 | /* Mock data */ |
| 39 | static char call_log[4096]; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 40 | static uint8_t kernel_buffer[80000]; |
| 41 | static int disk_read_to_fail; |
| 42 | static int disk_write_to_fail; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 43 | static int gpt_init_fail; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 44 | static int key_block_verify_fail; /* 0=ok, 1=sig, 2=hash */ |
| 45 | static int preamble_verify_fail; |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 46 | static int verify_data_fail; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 47 | static RSAPublicKey *mock_data_key; |
| 48 | static int mock_data_key_allocated; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 49 | |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 50 | static uint8_t gbb_data[sizeof(GoogleBinaryBlockHeader) + 2048]; |
| 51 | static GoogleBinaryBlockHeader *gbb = (GoogleBinaryBlockHeader*)gbb_data; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 52 | static VbExDiskHandle_t handle; |
| 53 | static VbNvContext vnc; |
| 54 | static uint8_t shared_data[VB_SHARED_DATA_MIN_SIZE]; |
| 55 | static VbSharedDataHeader *shared = (VbSharedDataHeader *)shared_data; |
| 56 | static LoadKernelParams lkp; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 57 | static VbKeyBlockHeader kbh; |
| 58 | static VbKernelPreambleHeader kph; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 59 | static VbCommonParams cparams; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 60 | |
| 61 | static void ResetCallLog(void) |
| 62 | { |
| 63 | *call_log = 0; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Reset mock data (for use before each test) |
| 68 | */ |
| 69 | static void ResetMocks(void) |
| 70 | { |
| 71 | ResetCallLog(); |
| 72 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 73 | disk_read_to_fail = -1; |
| 74 | disk_write_to_fail = -1; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 75 | |
| 76 | gpt_init_fail = 0; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 77 | key_block_verify_fail = 0; |
| 78 | preamble_verify_fail = 0; |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 79 | verify_data_fail = 0; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 80 | |
| 81 | mock_data_key = (RSAPublicKey *)"TestDataKey"; |
| 82 | mock_data_key_allocated = 0; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 83 | |
Han Shen | 1a11381 | 2013-09-03 11:23:30 -0700 | [diff] [blame] | 84 | memset(gbb, 0, sizeof(*gbb)); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 85 | gbb->major_version = GBB_MAJOR_VER; |
| 86 | gbb->minor_version = GBB_MINOR_VER; |
| 87 | gbb->flags = 0; |
| 88 | |
| 89 | memset(&cparams, '\0', sizeof(cparams)); |
| 90 | cparams.gbb = gbb; |
| 91 | cparams.gbb_data = gbb; |
| 92 | cparams.gbb_size = sizeof(gbb_data); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 93 | |
| 94 | memset(&vnc, 0, sizeof(vnc)); |
| 95 | VbNvSetup(&vnc); |
| 96 | VbNvTeardown(&vnc); /* So CRC gets generated */ |
| 97 | |
| 98 | memset(&shared_data, 0, sizeof(shared_data)); |
| 99 | VbSharedDataInit(shared, sizeof(shared_data)); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 100 | shared->kernel_version_tpm = 0x20001; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 101 | |
| 102 | memset(&lkp, 0, sizeof(lkp)); |
| 103 | lkp.nv_context = &vnc; |
| 104 | lkp.shared_data_blob = shared; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 105 | lkp.gbb_data = gbb; |
| 106 | lkp.gbb_size = sizeof(gbb_data); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 107 | lkp.bytes_per_lba = 512; |
| 108 | lkp.ending_lba = 1023; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 109 | lkp.kernel_buffer = kernel_buffer; |
| 110 | lkp.kernel_buffer_size = sizeof(kernel_buffer); |
| 111 | |
| 112 | memset(&kbh, 0, sizeof(kbh)); |
| 113 | kbh.data_key.key_version = 2; |
| 114 | kbh.key_block_flags = -1; |
| 115 | kbh.key_block_size = sizeof(kbh); |
| 116 | |
| 117 | memset(&kph, 0, sizeof(kph)); |
| 118 | kph.kernel_version = 1; |
| 119 | kph.preamble_size = 4096 - kbh.key_block_size; |
| 120 | kph.body_signature.data_size = 70000; |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 121 | kph.bootloader_address = 0xbeadd008; |
| 122 | kph.bootloader_size = 0x1234; |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 123 | |
| 124 | memset(mock_parts, 0, sizeof(mock_parts)); |
| 125 | mock_parts[0].start = 100; |
| 126 | mock_parts[0].size = 150; /* 75 KB */ |
| 127 | mock_part_next = 0; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | /* Mocks */ |
| 131 | |
| 132 | VbError_t VbExDiskRead(VbExDiskHandle_t handle, uint64_t lba_start, |
| 133 | uint64_t lba_count, void *buffer) |
| 134 | { |
| 135 | LOGCALL("VbExDiskRead(h, %d, %d)\n", (int)lba_start, (int)lba_count); |
| 136 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 137 | if ((int)lba_start == disk_read_to_fail) |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 138 | return VBERROR_SIMULATED; |
| 139 | |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 140 | /* Keep valgrind happy */ |
| 141 | Memset(buffer, '\0', lba_count); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 142 | return VBERROR_SUCCESS; |
| 143 | } |
| 144 | |
| 145 | VbError_t VbExDiskWrite(VbExDiskHandle_t handle, uint64_t lba_start, |
| 146 | uint64_t lba_count, const void *buffer) |
| 147 | { |
| 148 | LOGCALL("VbExDiskWrite(h, %d, %d)\n", (int)lba_start, (int)lba_count); |
| 149 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 150 | if ((int)lba_start == disk_write_to_fail) |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 151 | return VBERROR_SIMULATED; |
| 152 | |
| 153 | return VBERROR_SUCCESS; |
| 154 | } |
| 155 | |
| 156 | int GptInit(GptData *gpt) |
| 157 | { |
| 158 | return gpt_init_fail; |
| 159 | } |
| 160 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 161 | int GptNextKernelEntry(GptData *gpt, uint64_t *start_sector, uint64_t *size) |
| 162 | { |
| 163 | struct mock_part *p = mock_parts + mock_part_next; |
| 164 | |
| 165 | if (!p->size) |
| 166 | return GPT_ERROR_NO_VALID_KERNEL; |
| 167 | |
| 168 | gpt->current_kernel = mock_part_next; |
| 169 | *start_sector = p->start; |
| 170 | *size = p->size; |
| 171 | mock_part_next++; |
| 172 | return GPT_SUCCESS; |
| 173 | } |
| 174 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 175 | void GetCurrentKernelUniqueGuid(GptData *gpt, void *dest) |
| 176 | { |
| 177 | static char fake_guid[] = "FakeGuid"; |
| 178 | |
| 179 | memcpy(dest, fake_guid, sizeof(fake_guid)); |
| 180 | } |
| 181 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 182 | int KeyBlockVerify(const VbKeyBlockHeader *block, uint64_t size, |
| 183 | const VbPublicKey *key, int hash_only) { |
| 184 | |
| 185 | if (hash_only && key_block_verify_fail >= 2) |
| 186 | return VBERROR_SIMULATED; |
| 187 | else if (!hash_only && key_block_verify_fail >= 1) |
| 188 | return VBERROR_SIMULATED; |
| 189 | |
| 190 | /* Use this as an opportunity to override the key block */ |
| 191 | memcpy((void *)block, &kbh, sizeof(kbh)); |
| 192 | return VBERROR_SUCCESS; |
| 193 | } |
| 194 | |
| 195 | RSAPublicKey *PublicKeyToRSA(const VbPublicKey *key) |
| 196 | { |
| 197 | TEST_EQ(mock_data_key_allocated, 0, " mock data key not allocated"); |
| 198 | |
| 199 | if (mock_data_key) |
| 200 | mock_data_key_allocated++; |
| 201 | |
| 202 | return mock_data_key; |
| 203 | } |
| 204 | |
| 205 | void RSAPublicKeyFree(RSAPublicKey* key) |
| 206 | { |
| 207 | TEST_EQ(mock_data_key_allocated, 1, " mock data key allocated"); |
| 208 | TEST_PTR_EQ(key, mock_data_key, " data key ptr"); |
| 209 | mock_data_key_allocated--; |
| 210 | } |
| 211 | |
| 212 | int VerifyKernelPreamble(const VbKernelPreambleHeader *preamble, |
| 213 | uint64_t size, const RSAPublicKey *key) |
| 214 | { |
| 215 | if (preamble_verify_fail) |
| 216 | return VBERROR_SIMULATED; |
| 217 | |
| 218 | /* Use this as an opportunity to override the preamble */ |
| 219 | memcpy((void *)preamble, &kph, sizeof(kph)); |
| 220 | return VBERROR_SUCCESS; |
| 221 | } |
| 222 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 223 | int VerifyData(const uint8_t *data, uint64_t size, const VbSignature *sig, |
| 224 | const RSAPublicKey *key) |
| 225 | { |
| 226 | if (verify_data_fail) |
| 227 | return VBERROR_SIMULATED; |
| 228 | |
| 229 | return VBERROR_SUCCESS; |
| 230 | } |
| 231 | |
| 232 | |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 233 | /** |
| 234 | * Test reading/writing GPT |
| 235 | */ |
| 236 | static void ReadWriteGptTest(void) |
| 237 | { |
| 238 | GptData g; |
| 239 | GptHeader *h; |
| 240 | |
| 241 | g.sector_bytes = 512; |
| 242 | g.drive_sectors = 1024; |
| 243 | |
| 244 | ResetMocks(); |
| 245 | TEST_EQ(AllocAndReadGptData(handle, &g), 0, "AllocAndRead"); |
| 246 | TEST_CALLS("VbExDiskRead(h, 1, 1)\n" |
| 247 | "VbExDiskRead(h, 2, 32)\n" |
| 248 | "VbExDiskRead(h, 991, 32)\n" |
| 249 | "VbExDiskRead(h, 1023, 1)\n"); |
| 250 | ResetCallLog(); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 251 | /* |
| 252 | * Valgrind complains about access to uninitialized memory here, so |
| 253 | * zero the primary header before each test. |
| 254 | */ |
| 255 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 256 | TEST_EQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree"); |
| 257 | TEST_CALLS(""); |
| 258 | |
| 259 | /* Data which is changed is written */ |
| 260 | ResetMocks(); |
| 261 | AllocAndReadGptData(handle, &g); |
| 262 | g.modified |= GPT_MODIFIED_HEADER1 | GPT_MODIFIED_ENTRIES1; |
| 263 | ResetCallLog(); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 264 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 265 | TEST_EQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree mod 1"); |
| 266 | TEST_CALLS("VbExDiskWrite(h, 1, 1)\n" |
| 267 | "VbExDiskWrite(h, 2, 32)\n"); |
| 268 | |
| 269 | /* Data which is changed is written */ |
| 270 | ResetMocks(); |
| 271 | AllocAndReadGptData(handle, &g); |
| 272 | g.modified = -1; |
| 273 | ResetCallLog(); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 274 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 275 | TEST_EQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree mod all"); |
| 276 | TEST_CALLS("VbExDiskWrite(h, 1, 1)\n" |
| 277 | "VbExDiskWrite(h, 2, 32)\n" |
| 278 | "VbExDiskWrite(h, 991, 32)\n" |
| 279 | "VbExDiskWrite(h, 1023, 1)\n"); |
| 280 | |
| 281 | /* If legacy signature, don't modify GPT header/entries 1 */ |
| 282 | ResetMocks(); |
| 283 | AllocAndReadGptData(handle, &g); |
| 284 | h = (GptHeader *)g.primary_header; |
| 285 | memcpy(h->signature, GPT_HEADER_SIGNATURE2, GPT_HEADER_SIGNATURE_SIZE); |
| 286 | g.modified = -1; |
| 287 | ResetCallLog(); |
| 288 | TEST_EQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree mod all"); |
| 289 | TEST_CALLS("VbExDiskWrite(h, 991, 32)\n" |
| 290 | "VbExDiskWrite(h, 1023, 1)\n"); |
| 291 | |
| 292 | /* Error reading */ |
| 293 | ResetMocks(); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 294 | disk_read_to_fail = 1; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 295 | TEST_NEQ(AllocAndReadGptData(handle, &g), 0, "AllocAndRead disk fail"); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 296 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 297 | WriteAndFreeGptData(handle, &g); |
| 298 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 299 | ResetMocks(); |
| 300 | disk_read_to_fail = 2; |
| 301 | TEST_NEQ(AllocAndReadGptData(handle, &g), 0, "AllocAndRead disk fail"); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 302 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 303 | WriteAndFreeGptData(handle, &g); |
| 304 | |
| 305 | ResetMocks(); |
| 306 | disk_read_to_fail = 991; |
| 307 | TEST_NEQ(AllocAndReadGptData(handle, &g), 0, "AllocAndRead disk fail"); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 308 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 309 | WriteAndFreeGptData(handle, &g); |
| 310 | |
| 311 | ResetMocks(); |
| 312 | disk_read_to_fail = 1023; |
| 313 | TEST_NEQ(AllocAndReadGptData(handle, &g), 0, "AllocAndRead disk fail"); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 314 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 315 | WriteAndFreeGptData(handle, &g); |
| 316 | |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 317 | /* Error writing */ |
| 318 | ResetMocks(); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 319 | disk_write_to_fail = 1; |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 320 | AllocAndReadGptData(handle, &g); |
| 321 | g.modified = -1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 322 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 323 | TEST_NEQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree disk fail"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 324 | |
| 325 | ResetMocks(); |
| 326 | disk_write_to_fail = 2; |
| 327 | AllocAndReadGptData(handle, &g); |
| 328 | g.modified = -1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 329 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 330 | TEST_NEQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree disk fail"); |
| 331 | |
| 332 | ResetMocks(); |
| 333 | disk_write_to_fail = 991; |
| 334 | AllocAndReadGptData(handle, &g); |
| 335 | g.modified = -1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 336 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 337 | TEST_NEQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree disk fail"); |
| 338 | |
| 339 | ResetMocks(); |
| 340 | disk_write_to_fail = 1023; |
| 341 | AllocAndReadGptData(handle, &g); |
| 342 | g.modified = -1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 343 | Memset(g.primary_header, '\0', g.sector_bytes); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 344 | TEST_NEQ(WriteAndFreeGptData(handle, &g), 0, "WriteAndFree disk fail"); |
| 345 | |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | /** |
| 349 | * Trivial invalid calls to LoadKernel() |
| 350 | */ |
| 351 | static void InvalidParamsTest(void) |
| 352 | { |
| 353 | ResetMocks(); |
| 354 | lkp.bytes_per_lba = 0; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 355 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_PARAMETER, |
| 356 | "Bad lba size"); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 357 | |
| 358 | ResetMocks(); |
| 359 | lkp.ending_lba = 0; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 360 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_PARAMETER, |
| 361 | "Bad lba count"); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 362 | |
| 363 | ResetMocks(); |
| 364 | lkp.bytes_per_lba = 128*1024; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 365 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_PARAMETER, |
| 366 | "Huge lba size"); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 367 | |
| 368 | ResetMocks(); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 369 | disk_read_to_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 370 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_NO_KERNEL_FOUND, |
| 371 | "Can't read disk"); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 372 | |
| 373 | ResetMocks(); |
| 374 | gpt_init_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 375 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_NO_KERNEL_FOUND, |
| 376 | "Bad GPT"); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 377 | } |
| 378 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 379 | static void LoadKernelTest(void) |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 380 | { |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 381 | uint32_t u; |
| 382 | |
| 383 | ResetMocks(); |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 384 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "First kernel good"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 385 | TEST_EQ(lkp.partition_number, 1, " part num"); |
| 386 | TEST_EQ(lkp.bootloader_address, 0xbeadd008, " bootloader addr"); |
| 387 | TEST_EQ(lkp.bootloader_size, 0x1234, " bootloader size"); |
| 388 | TEST_STR_EQ((char *)lkp.partition_guid, "FakeGuid", " guid"); |
| 389 | VbNvGet(&vnc, VBNV_RECOVERY_REQUEST, &u); |
| 390 | TEST_EQ(u, 0, " recovery request"); |
| 391 | |
| 392 | ResetMocks(); |
| 393 | mock_parts[1].start = 300; |
| 394 | mock_parts[1].size = 150; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 395 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Two good kernels"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 396 | TEST_EQ(lkp.partition_number, 1, " part num"); |
| 397 | TEST_EQ(mock_part_next, 1, " didn't read second one"); |
| 398 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 399 | /* Fail if no kernels found */ |
| 400 | ResetMocks(); |
| 401 | mock_parts[0].size = 0; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 402 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_NO_KERNEL_FOUND, "No kernels"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 403 | VbNvGet(&vnc, VBNV_RECOVERY_REQUEST, &u); |
| 404 | TEST_EQ(u, VBNV_RECOVERY_RW_NO_OS, " recovery request"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 405 | |
| 406 | /* Skip kernels which are too small */ |
| 407 | ResetMocks(); |
| 408 | mock_parts[0].size = 10; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 409 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, "Too small"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 410 | VbNvGet(&vnc, VBNV_RECOVERY_REQUEST, &u); |
| 411 | TEST_EQ(u, VBNV_RECOVERY_RW_INVALID_OS, " recovery request"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 412 | |
| 413 | ResetMocks(); |
| 414 | disk_read_to_fail = 100; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 415 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 416 | "Fail reading kernel start"); |
| 417 | |
| 418 | ResetMocks(); |
| 419 | key_block_verify_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 420 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 421 | "Fail key block sig"); |
| 422 | |
| 423 | /* In dev mode, fail if hash is bad too */ |
| 424 | ResetMocks(); |
| 425 | lkp.boot_flags |= BOOT_FLAG_DEVELOPER; |
| 426 | key_block_verify_fail = 2; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 427 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 428 | "Fail key block dev hash"); |
| 429 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 430 | /* But just bad sig is ok */ |
| 431 | ResetMocks(); |
| 432 | lkp.boot_flags |= BOOT_FLAG_DEVELOPER; |
| 433 | key_block_verify_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 434 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Succeed key block dev sig"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 435 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 436 | /* In dev mode and requiring signed kernel, fail if sig is bad */ |
| 437 | ResetMocks(); |
| 438 | lkp.boot_flags |= BOOT_FLAG_DEVELOPER; |
| 439 | VbNvSet(&vnc, VBNV_DEV_BOOT_SIGNED_ONLY, 1); |
| 440 | VbNvTeardown(&vnc); |
| 441 | key_block_verify_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 442 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 443 | "Fail key block dev sig"); |
| 444 | |
| 445 | /* Check key block flag mismatches */ |
| 446 | ResetMocks(); |
| 447 | kbh.key_block_flags = |
| 448 | KEY_BLOCK_FLAG_RECOVERY_0 | KEY_BLOCK_FLAG_DEVELOPER_1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 449 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 450 | "Key block dev flag mismatch"); |
| 451 | |
| 452 | ResetMocks(); |
| 453 | kbh.key_block_flags = |
| 454 | KEY_BLOCK_FLAG_RECOVERY_1 | KEY_BLOCK_FLAG_DEVELOPER_0; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 455 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 456 | "Key block rec flag mismatch"); |
| 457 | |
| 458 | ResetMocks(); |
| 459 | lkp.boot_flags |= BOOT_FLAG_RECOVERY; |
| 460 | kbh.key_block_flags = |
| 461 | KEY_BLOCK_FLAG_RECOVERY_1 | KEY_BLOCK_FLAG_DEVELOPER_1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 462 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 463 | "Key block recdev flag mismatch"); |
| 464 | |
| 465 | ResetMocks(); |
| 466 | lkp.boot_flags |= BOOT_FLAG_RECOVERY | BOOT_FLAG_DEVELOPER; |
| 467 | kbh.key_block_flags = |
| 468 | KEY_BLOCK_FLAG_RECOVERY_1 | KEY_BLOCK_FLAG_DEVELOPER_0; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 469 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 470 | "Key block rec!dev flag mismatch"); |
| 471 | |
| 472 | ResetMocks(); |
| 473 | kbh.data_key.key_version = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 474 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 475 | "Key block kernel key rollback"); |
| 476 | |
| 477 | ResetMocks(); |
| 478 | kbh.data_key.key_version = 0x10000; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 479 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 480 | "Key block kernel key version too big"); |
| 481 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 482 | ResetMocks(); |
| 483 | kbh.data_key.key_version = 3; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 484 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Key block version roll forward"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 485 | TEST_EQ(shared->kernel_version_tpm, 0x30001, " shared version"); |
| 486 | |
| 487 | ResetMocks(); |
| 488 | kbh.data_key.key_version = 3; |
| 489 | mock_parts[1].start = 300; |
| 490 | mock_parts[1].size = 150; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 491 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Two kernels roll forward"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 492 | TEST_EQ(mock_part_next, 2, " read both"); |
| 493 | TEST_EQ(shared->kernel_version_tpm, 0x30001, " shared version"); |
| 494 | |
| 495 | ResetMocks(); |
| 496 | kbh.data_key.key_version = 1; |
| 497 | lkp.boot_flags |= BOOT_FLAG_DEVELOPER; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 498 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Key version ignored in dev mode"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 499 | |
| 500 | ResetMocks(); |
| 501 | kbh.data_key.key_version = 1; |
| 502 | lkp.boot_flags |= BOOT_FLAG_RECOVERY; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 503 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Key version ignored in rec mode"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 504 | |
| 505 | ResetMocks(); |
| 506 | mock_data_key = NULL; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 507 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
| 508 | "Bad data key"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 509 | |
| 510 | ResetMocks(); |
| 511 | preamble_verify_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 512 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
| 513 | "Bad preamble"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 514 | |
| 515 | ResetMocks(); |
| 516 | kph.kernel_version = 0; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 517 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 518 | "Kernel version rollback"); |
| 519 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 520 | ResetMocks(); |
| 521 | kph.kernel_version = 0; |
| 522 | lkp.boot_flags |= BOOT_FLAG_DEVELOPER; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 523 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Kernel version ignored in dev mode"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 524 | |
| 525 | ResetMocks(); |
| 526 | kph.kernel_version = 0; |
| 527 | lkp.boot_flags |= BOOT_FLAG_RECOVERY; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 528 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Kernel version ignored in rec mode"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 529 | |
| 530 | ResetMocks(); |
| 531 | kph.preamble_size |= 0x07; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 532 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 533 | "Kernel body offset"); |
| 534 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 535 | /* Check getting kernel load address from header */ |
| 536 | ResetMocks(); |
| 537 | kph.body_load_address = (size_t)kernel_buffer; |
| 538 | lkp.kernel_buffer = NULL; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 539 | TEST_EQ(LoadKernel(&lkp, &cparams), 0, "Get load address from preamble"); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 540 | TEST_PTR_EQ(lkp.kernel_buffer, kernel_buffer, " address"); |
| 541 | /* Size is rounded up to nearest sector */ |
| 542 | TEST_EQ(lkp.kernel_buffer_size, 70144, " size"); |
| 543 | |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 544 | ResetMocks(); |
| 545 | lkp.kernel_buffer_size = 8192; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 546 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 547 | "Kernel too big for buffer"); |
| 548 | |
| 549 | ResetMocks(); |
| 550 | mock_parts[0].size = 130; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 551 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 552 | "Kernel too big for partition"); |
| 553 | |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 554 | ResetMocks(); |
| 555 | disk_read_to_fail = 108; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 556 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 557 | "Fail reading kernel data"); |
| 558 | |
| 559 | ResetMocks(); |
| 560 | verify_data_fail = 1; |
Simon Glass | 527ba81 | 2013-07-25 08:48:47 -0600 | [diff] [blame] | 561 | TEST_EQ(LoadKernel(&lkp, &cparams), VBERROR_INVALID_KERNEL_FOUND, "Bad data"); |
Randall Spangler | 5d0a2e7 | 2013-01-30 13:19:19 -0800 | [diff] [blame] | 562 | } |
| 563 | |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 564 | int main(void) |
| 565 | { |
| 566 | ReadWriteGptTest(); |
| 567 | InvalidParamsTest(); |
Randall Spangler | 3e9cf90 | 2013-02-01 13:31:20 -0800 | [diff] [blame] | 568 | LoadKernelTest(); |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 569 | |
Simon Glass | 2500185 | 2013-08-16 02:47:57 -0600 | [diff] [blame^] | 570 | if (vboot_api_stub_check_memory()) |
| 571 | return 255; |
| 572 | |
Randall Spangler | 49cb0d3 | 2013-01-29 14:28:16 -0800 | [diff] [blame] | 573 | return gTestSuccess ? 0 : 255; |
| 574 | } |