1746 lines
54 KiB
C
1746 lines
54 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <errno.h>
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#include <string.h>
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#include "../cgpt/cgpt.h"
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#include "cgptlib_internal.h"
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#include "cgptlib_test.h"
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#include "crc32.h"
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#include "crc32_test.h"
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#include "gpt.h"
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#include "test_common.h"
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#include "utility.h"
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/*
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* Testing partition layout (sector_bytes=512)
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*
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* LBA Size Usage
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* ---------------------------------------------------------
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* 0 1 PMBR
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* 1 1 primary partition header
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* 2 32 primary partition entries (128B * 128)
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* 34 100 kernel A (index: 0)
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* 134 100 root A (index: 1)
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* 234 100 root B (index: 2)
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* 334 100 kernel B (index: 3)
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* 434 32 secondary partition entries
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* 466 1 secondary partition header
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* 467
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*/
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#define KERNEL_A 0
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#define KERNEL_B 1
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#define ROOTFS_A 2
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#define ROOTFS_B 3
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#define KERNEL_X 2 /* Overload ROOTFS_A, for some GetNext tests */
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#define KERNEL_Y 3 /* Overload ROOTFS_B, for some GetNext tests */
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#define DEFAULT_SECTOR_SIZE 512
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#define MAX_SECTOR_SIZE 4096
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#define DEFAULT_DRIVE_SECTORS 467
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#define TOTAL_ENTRIES_SIZE GPT_ENTRIES_ALLOC_SIZE /* 16384 */
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#define PARTITION_ENTRIES_SIZE TOTAL_ENTRIES_SIZE /* 16384 */
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static const Guid guid_zero = {{{0, 0, 0, 0, 0, {0, 0, 0, 0, 0, 0}}}};
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static const Guid guid_kernel = GPT_ENT_TYPE_CHROMEOS_KERNEL;
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static const Guid guid_rootfs = GPT_ENT_TYPE_CHROMEOS_ROOTFS;
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// cgpt_common.c requires these be defined if linked in.
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const char *progname = "CGPT-TEST";
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const char *command = "TEST";
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static int override_priority = 0;
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static int override_counter = 0;
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uint8_t VbExOverrideGptEntryPriority(const GptEntry *e)
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{
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if (override_counter == 0)
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return override_priority;
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override_counter--;
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return 0;
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}
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/*
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* Copy a random-for-this-program-only Guid into the dest. The num parameter
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* completely determines the Guid.
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*/
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static void SetGuid(void *dest, uint32_t num)
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{
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Guid g = {{{num,0xd450,0x44bc,0xa6,0x93,
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{0xb8,0xac,0x75,0x5f,0xcd,0x48}}}};
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memcpy(dest, &g, sizeof(Guid));
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}
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/*
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* Given a GptData pointer, first re-calculate entries CRC32 value, then reset
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* header CRC32 value to 0, and calculate header CRC32 value. Both primary and
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* secondary are updated.
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*/
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static void RefreshCrc32(GptData *gpt)
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{
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GptHeader *header, *header2;
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GptEntry *entries, *entries2;
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header = (GptHeader *)gpt->primary_header;
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entries = (GptEntry *)gpt->primary_entries;
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header2 = (GptHeader *)gpt->secondary_header;
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entries2 = (GptEntry *)gpt->secondary_entries;
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header->entries_crc32 =
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Crc32((uint8_t *)entries,
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header->number_of_entries * header->size_of_entry);
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header->header_crc32 = 0;
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header->header_crc32 = Crc32((uint8_t *)header, header->size);
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header2->entries_crc32 =
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Crc32((uint8_t *)entries2,
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header2->number_of_entries * header2->size_of_entry);
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header2->header_crc32 = 0;
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header2->header_crc32 = Crc32((uint8_t *)header2, header2->size);
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}
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static void ZeroHeaders(GptData *gpt)
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{
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memset(gpt->primary_header, 0, MAX_SECTOR_SIZE);
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memset(gpt->secondary_header, 0, MAX_SECTOR_SIZE);
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}
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static void ZeroEntries(GptData *gpt)
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{
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memset(gpt->primary_entries, 0, PARTITION_ENTRIES_SIZE);
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memset(gpt->secondary_entries, 0, PARTITION_ENTRIES_SIZE);
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}
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static void ZeroHeadersEntries(GptData *gpt)
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{
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ZeroHeaders(gpt);
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ZeroEntries(gpt);
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}
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/*
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* Return a pointer to a static GptData instance (no free is required).
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* All fields are zero except 4 pointers linking to header and entries.
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* All content of headers and entries are zero.
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*/
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static GptData *GetEmptyGptData(void)
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{
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static GptData gpt;
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static uint8_t primary_header[MAX_SECTOR_SIZE];
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static uint8_t primary_entries[PARTITION_ENTRIES_SIZE];
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static uint8_t secondary_header[MAX_SECTOR_SIZE];
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static uint8_t secondary_entries[PARTITION_ENTRIES_SIZE];
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memset(&gpt, 0, sizeof(gpt));
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gpt.primary_header = primary_header;
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gpt.primary_entries = primary_entries;
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gpt.secondary_header = secondary_header;
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gpt.secondary_entries = secondary_entries;
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ZeroHeadersEntries(&gpt);
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/* Initialize GptData internal states. */
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gpt.current_kernel = CGPT_KERNEL_ENTRY_NOT_FOUND;
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return &gpt;
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}
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/*
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* Fill in most of fields and creates the layout described in the top of this
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* file. Before calling this function, primary/secondary header/entries must
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* have been pointed to the buffer, say, a gpt returned from GetEmptyGptData().
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* This function returns a good (valid) copy of GPT layout described in top of
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* this file.
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*/
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static void BuildTestGptData(GptData *gpt)
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{
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GptHeader *header, *header2;
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GptEntry *entries, *entries2;
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Guid chromeos_kernel = GPT_ENT_TYPE_CHROMEOS_KERNEL;
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Guid chromeos_rootfs = GPT_ENT_TYPE_CHROMEOS_ROOTFS;
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gpt->sector_bytes = DEFAULT_SECTOR_SIZE;
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gpt->streaming_drive_sectors =
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gpt->gpt_drive_sectors = DEFAULT_DRIVE_SECTORS;
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gpt->current_kernel = CGPT_KERNEL_ENTRY_NOT_FOUND;
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gpt->valid_headers = MASK_BOTH;
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gpt->valid_entries = MASK_BOTH;
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gpt->modified = 0;
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/* Build primary */
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header = (GptHeader *)gpt->primary_header;
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entries = (GptEntry *)gpt->primary_entries;
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memcpy(header->signature, GPT_HEADER_SIGNATURE,
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GPT_HEADER_SIGNATURE_SIZE);
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header->revision = GPT_HEADER_REVISION;
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header->size = sizeof(GptHeader);
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header->reserved_zero = 0;
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header->my_lba = 1;
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header->alternate_lba = DEFAULT_DRIVE_SECTORS - 1;
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header->first_usable_lba = 34;
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header->last_usable_lba = DEFAULT_DRIVE_SECTORS - 1 - 32 - 1; /* 433 */
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header->entries_lba = 2;
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/* 512B / 128B * 32sectors = 128 entries */
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header->number_of_entries = 128;
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header->size_of_entry = 128; /* bytes */
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memcpy(&entries[0].type, &chromeos_kernel, sizeof(chromeos_kernel));
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SetGuid(&entries[0].unique, 0);
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entries[0].starting_lba = 34;
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entries[0].ending_lba = 133;
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memcpy(&entries[1].type, &chromeos_rootfs, sizeof(chromeos_rootfs));
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SetGuid(&entries[1].unique, 1);
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entries[1].starting_lba = 134;
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entries[1].ending_lba = 232;
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memcpy(&entries[2].type, &chromeos_rootfs, sizeof(chromeos_rootfs));
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SetGuid(&entries[2].unique, 2);
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entries[2].starting_lba = 234;
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entries[2].ending_lba = 331;
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memcpy(&entries[3].type, &chromeos_kernel, sizeof(chromeos_kernel));
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SetGuid(&entries[3].unique, 3);
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entries[3].starting_lba = 334;
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entries[3].ending_lba = 430;
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/* Build secondary */
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header2 = (GptHeader *)gpt->secondary_header;
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entries2 = (GptEntry *)gpt->secondary_entries;
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memcpy(header2, header, sizeof(GptHeader));
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memcpy(entries2, entries, PARTITION_ENTRIES_SIZE);
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header2->my_lba = DEFAULT_DRIVE_SECTORS - 1; /* 466 */
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header2->alternate_lba = 1;
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header2->entries_lba = DEFAULT_DRIVE_SECTORS - 1 - 32; /* 434 */
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RefreshCrc32(gpt);
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}
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/*
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* Test if the structures are the expected size; if this fails, struct packing
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* is not working properly.
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*/
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static int StructSizeTest(void)
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{
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EXPECT(GUID_EXPECTED_SIZE == sizeof(Guid));
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EXPECT(GPTHEADER_EXPECTED_SIZE == sizeof(GptHeader));
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EXPECT(GPTENTRY_EXPECTED_SIZE == sizeof(GptEntry));
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return TEST_OK;
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}
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/* Test if the default structure returned by BuildTestGptData() is good. */
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static int TestBuildTestGptData(void)
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{
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GptData *gpt;
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gpt = GetEmptyGptData();
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BuildTestGptData(gpt);
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EXPECT(GPT_SUCCESS == GptInit(gpt));
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gpt->sector_bytes = 0;
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EXPECT(GPT_ERROR_INVALID_SECTOR_SIZE == GptInit(gpt));
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return TEST_OK;
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}
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/*
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* Test if wrong sector_bytes or drive_sectors is detected by GptInit().
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* Currently we only support 512 bytes per sector. In the future, we may
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* support other sizes. A too small drive_sectors should be rejected by
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* GptInit().
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*/
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static int ParameterTests(void)
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{
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GptData *gpt;
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struct {
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uint32_t sector_bytes;
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uint64_t drive_sectors;
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int expected_retval;
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} cases[] = {
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{512, DEFAULT_DRIVE_SECTORS, GPT_SUCCESS},
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{520, DEFAULT_DRIVE_SECTORS, GPT_ERROR_INVALID_SECTOR_SIZE},
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{123, DEFAULT_DRIVE_SECTORS, GPT_ERROR_INVALID_SECTOR_SIZE},
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{4097, DEFAULT_DRIVE_SECTORS, GPT_ERROR_INVALID_SECTOR_SIZE},
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{256, DEFAULT_DRIVE_SECTORS, GPT_ERROR_INVALID_SECTOR_SIZE},
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{512, 0, GPT_ERROR_INVALID_SECTOR_NUMBER},
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{512, 10, GPT_ERROR_INVALID_SECTOR_NUMBER},
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{512, GPT_PMBR_SECTORS + GPT_HEADER_SECTORS * 2 +
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TOTAL_ENTRIES_SIZE / DEFAULT_SECTOR_SIZE * 2, GPT_SUCCESS},
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{4096, DEFAULT_DRIVE_SECTORS, GPT_SUCCESS},
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{2048, DEFAULT_DRIVE_SECTORS, GPT_SUCCESS},
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{8192, DEFAULT_DRIVE_SECTORS, GPT_SUCCESS},
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};
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int i;
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gpt = GetEmptyGptData();
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for (i = 0; i < ARRAY_SIZE(cases); ++i) {
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BuildTestGptData(gpt);
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gpt->sector_bytes = cases[i].sector_bytes;
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gpt->streaming_drive_sectors =
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gpt->gpt_drive_sectors = cases[i].drive_sectors;
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EXPECT(cases[i].expected_retval == CheckParameters(gpt));
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}
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return TEST_OK;
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}
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/* Test if header CRC in two copies are calculated. */
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static int HeaderCrcTest(void)
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{
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GptData *gpt = GetEmptyGptData();
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GptHeader *h1 = (GptHeader *)gpt->primary_header;
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BuildTestGptData(gpt);
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EXPECT(HeaderCrc(h1) == h1->header_crc32);
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/* CRC covers first byte of header */
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BuildTestGptData(gpt);
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gpt->primary_header[0] ^= 0xa5;
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EXPECT(HeaderCrc(h1) != h1->header_crc32);
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/* CRC covers last byte of header */
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BuildTestGptData(gpt);
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gpt->primary_header[h1->size - 1] ^= 0x5a;
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EXPECT(HeaderCrc(h1) != h1->header_crc32);
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/* CRC only covers header */
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BuildTestGptData(gpt);
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gpt->primary_header[h1->size] ^= 0x5a;
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EXPECT(HeaderCrc(h1) == h1->header_crc32);
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return TEST_OK;
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}
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/* Test if header-same comparison works. */
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static int HeaderSameTest(void)
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{
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GptData *gpt = GetEmptyGptData();
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GptHeader *h1 = (GptHeader *)gpt->primary_header;
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GptHeader *h2 = (GptHeader *)gpt->secondary_header;
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GptHeader h3;
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EXPECT(0 == HeaderFieldsSame(h1, h2));
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memcpy(&h3, h2, sizeof(h3));
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h3.signature[0] ^= 0xba;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.revision++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.size++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.reserved_zero++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.first_usable_lba++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.last_usable_lba++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.disk_uuid.u.raw[0] ^= 0xba;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.number_of_entries++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.size_of_entry++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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memcpy(&h3, h2, sizeof(h3));
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h3.entries_crc32++;
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EXPECT(1 == HeaderFieldsSame(h1, &h3));
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return TEST_OK;
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}
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/* Test if signature ("EFI PART") is checked. */
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static int SignatureTest(void)
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{
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GptData *gpt = GetEmptyGptData();
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GptHeader *h1 = (GptHeader *)gpt->primary_header;
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GptHeader *h2 = (GptHeader *)gpt->secondary_header;
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int i;
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EXPECT(1 == CheckHeader(NULL, 0, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
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for (i = 0; i < 8; ++i) {
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BuildTestGptData(gpt);
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h1->signature[i] ^= 0xff;
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h2->signature[i] ^= 0xff;
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RefreshCrc32(gpt);
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EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
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EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
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}
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return TEST_OK;
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}
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/*
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* The revision we currently support is GPT_HEADER_REVISION. If the revision
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* in header is not that, we expect the header is invalid.
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*/
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static int RevisionTest(void)
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{
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GptData *gpt = GetEmptyGptData();
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GptHeader *h1 = (GptHeader *)gpt->primary_header;
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GptHeader *h2 = (GptHeader *)gpt->secondary_header;
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int i;
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struct {
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uint32_t value_to_test;
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int expect_rv;
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} cases[] = {
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{0x01000000, 1},
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{0x00010000, 0}, /* GPT_HEADER_REVISION */
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{0x00000100, 1},
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{0x00000001, 1},
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{0x23010456, 1},
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};
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for (i = 0; i < ARRAY_SIZE(cases); ++i) {
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BuildTestGptData(gpt);
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h1->revision = cases[i].value_to_test;
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h2->revision = cases[i].value_to_test;
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RefreshCrc32(gpt);
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EXPECT(CheckHeader(h1, 0, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
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cases[i].expect_rv);
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EXPECT(CheckHeader(h2, 1, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0,
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gpt->sector_bytes) == cases[i].expect_rv);
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}
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return TEST_OK;
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}
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static int SizeTest(void)
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{
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GptData *gpt = GetEmptyGptData();
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GptHeader *h1 = (GptHeader *)gpt->primary_header;
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GptHeader *h2 = (GptHeader *)gpt->secondary_header;
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int i;
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struct {
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uint32_t value_to_test;
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int expect_rv;
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} cases[] = {
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{91, 1},
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{92, 0},
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{93, 0},
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{511, 0},
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{512, 0},
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{513, 1},
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};
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for (i = 0; i < ARRAY_SIZE(cases); ++i) {
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BuildTestGptData(gpt);
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h1->size = cases[i].value_to_test;
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h2->size = cases[i].value_to_test;
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RefreshCrc32(gpt);
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EXPECT(CheckHeader(h1, 0, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
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cases[i].expect_rv);
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EXPECT(CheckHeader(h2, 1, gpt->streaming_drive_sectors,
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gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
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cases[i].expect_rv);
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}
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return TEST_OK;
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}
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/* Test if CRC is checked. */
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static int CrcFieldTest(void)
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{
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GptData *gpt = GetEmptyGptData();
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GptHeader *h1 = (GptHeader *)gpt->primary_header;
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GptHeader *h2 = (GptHeader *)gpt->secondary_header;
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BuildTestGptData(gpt);
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/* Modify a field that the header verification doesn't care about */
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h1->entries_crc32++;
|
|
h2->entries_crc32++;
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
/* Refresh the CRC; should pass now */
|
|
RefreshCrc32(gpt);
|
|
EXPECT(0 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(0 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test if reserved fields are checked. We'll try non-zero values to test. */
|
|
static int ReservedFieldsTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptHeader *h2 = (GptHeader *)gpt->secondary_header;
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->reserved_zero ^= 0x12345678; /* whatever random */
|
|
h2->reserved_zero ^= 0x12345678; /* whatever random */
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
#ifdef PADDING_CHECKED
|
|
/* TODO: padding check is currently disabled */
|
|
BuildTestGptData(gpt);
|
|
h1->padding[12] ^= 0x34; /* whatever random */
|
|
h2->padding[56] ^= 0x78; /* whatever random */
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
#endif
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/*
|
|
* Technically, any size which is 2^N where N > 6 should work, but our
|
|
* library only supports one size.
|
|
*/
|
|
static int SizeOfPartitionEntryTest(void) {
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptHeader *h2 = (GptHeader *)gpt->secondary_header;
|
|
int i;
|
|
|
|
struct {
|
|
uint32_t value_to_test;
|
|
int expect_rv;
|
|
} cases[] = {
|
|
{127, 1},
|
|
{128, 0},
|
|
{129, 1},
|
|
{256, 1},
|
|
{512, 1},
|
|
};
|
|
|
|
/* Check size of entryes */
|
|
for (i = 0; i < ARRAY_SIZE(cases); ++i) {
|
|
BuildTestGptData(gpt);
|
|
h1->size_of_entry = cases[i].value_to_test;
|
|
h2->size_of_entry = cases[i].value_to_test;
|
|
h1->number_of_entries = TOTAL_ENTRIES_SIZE /
|
|
cases[i].value_to_test;
|
|
h2->number_of_entries = TOTAL_ENTRIES_SIZE /
|
|
cases[i].value_to_test;
|
|
RefreshCrc32(gpt);
|
|
|
|
EXPECT(CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
|
|
cases[i].expect_rv);
|
|
EXPECT(CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
|
|
cases[i].expect_rv);
|
|
}
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/*
|
|
* Technically, any size which is 2^N where N > 6 should work, but our library
|
|
* only supports one size.
|
|
*/
|
|
static int NumberOfPartitionEntriesTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptHeader *h2 = (GptHeader *)gpt->secondary_header;
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->number_of_entries--;
|
|
h2->number_of_entries /= 2;
|
|
/* Because we halved h2 entries, its entries_lba is going to change. */
|
|
h2->entries_lba = h2->my_lba - CalculateEntriesSectors(h2, gpt->sector_bytes);
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
/* But it's okay to have less if the GPT structs are stored elsewhere. */
|
|
EXPECT(0 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
EXPECT(0 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
|
|
/* Test if myLBA field is checked (1 for primary, last for secondary). */
|
|
static int MyLbaTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptHeader *h2 = (GptHeader *)gpt->secondary_header;
|
|
|
|
/* myLBA depends on primary vs secondary flag */
|
|
BuildTestGptData(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->my_lba--;
|
|
h2->my_lba--;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->my_lba = 2;
|
|
h2->my_lba--;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
/* We should ignore the alternate_lba field entirely */
|
|
BuildTestGptData(gpt);
|
|
h1->alternate_lba++;
|
|
h2->alternate_lba++;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(0 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(0 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->alternate_lba--;
|
|
h2->alternate_lba--;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(0 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(0 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->entries_lba++;
|
|
h2->entries_lba++;
|
|
RefreshCrc32(gpt);
|
|
/*
|
|
* We support a padding between primary GPT header and its entries. So
|
|
* this still passes.
|
|
*/
|
|
EXPECT(0 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
/*
|
|
* But the secondary table should fail because it would overlap the
|
|
* header, which is now lying after its entry array.
|
|
*/
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
h1->entries_lba--;
|
|
h2->entries_lba--;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(1 == CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test if FirstUsableLBA and LastUsableLBA are checked.
|
|
* FirstUsableLBA must be after the end of the primary GPT table array.
|
|
* LastUsableLBA must be before the start of the secondary GPT table array.
|
|
* FirstUsableLBA <= LastUsableLBA.
|
|
* Also see CheckHeaderOffDevice() test. */
|
|
static int FirstUsableLbaAndLastUsableLbaTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptHeader *h2 = (GptHeader *)gpt->secondary_header;
|
|
int i;
|
|
|
|
struct {
|
|
uint64_t primary_entries_lba;
|
|
uint64_t primary_first_usable_lba;
|
|
uint64_t primary_last_usable_lba;
|
|
uint64_t secondary_first_usable_lba;
|
|
uint64_t secondary_last_usable_lba;
|
|
uint64_t secondary_entries_lba;
|
|
int primary_rv;
|
|
int secondary_rv;
|
|
} cases[] = {
|
|
{2, 34, 433, 34, 433, 434, 0, 0},
|
|
{2, 34, 432, 34, 430, 434, 0, 0},
|
|
{2, 33, 433, 33, 433, 434, 1, 1},
|
|
{2, 34, 434, 34, 433, 434, 1, 0},
|
|
{2, 34, 433, 34, 434, 434, 0, 1},
|
|
{2, 35, 433, 35, 433, 434, 0, 0},
|
|
{2, 433, 433, 433, 433, 434, 0, 0},
|
|
{2, 434, 433, 434, 434, 434, 1, 1},
|
|
{2, 433, 34, 34, 433, 434, 1, 0},
|
|
{2, 34, 433, 433, 34, 434, 0, 1},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(cases); ++i) {
|
|
BuildTestGptData(gpt);
|
|
h1->entries_lba = cases[i].primary_entries_lba;
|
|
h1->first_usable_lba = cases[i].primary_first_usable_lba;
|
|
h1->last_usable_lba = cases[i].primary_last_usable_lba;
|
|
h2->entries_lba = cases[i].secondary_entries_lba;
|
|
h2->first_usable_lba = cases[i].secondary_first_usable_lba;
|
|
h2->last_usable_lba = cases[i].secondary_last_usable_lba;
|
|
RefreshCrc32(gpt);
|
|
|
|
EXPECT(CheckHeader(h1, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
|
|
cases[i].primary_rv);
|
|
EXPECT(CheckHeader(h2, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes) ==
|
|
cases[i].secondary_rv);
|
|
}
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/*
|
|
* Test if PartitionEntryArrayCRC32 is checked. PartitionEntryArrayCRC32 must
|
|
* be calculated over SizeOfPartitionEntry * NumberOfPartitionEntries bytes.
|
|
*/
|
|
static int EntriesCrcTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptEntry *e1 = (GptEntry *)(gpt->primary_entries);
|
|
GptEntry *e2 = (GptEntry *)(gpt->secondary_entries);
|
|
|
|
/* Modify first byte of primary entries, and expect the CRC is wrong. */
|
|
BuildTestGptData(gpt);
|
|
EXPECT(0 == CheckEntries(e1, h1));
|
|
EXPECT(0 == CheckEntries(e2, h1));
|
|
gpt->primary_entries[0] ^= 0xa5; /* just XOR a non-zero value */
|
|
gpt->secondary_entries[TOTAL_ENTRIES_SIZE-1] ^= 0x5a;
|
|
EXPECT(GPT_ERROR_CRC_CORRUPTED == CheckEntries(e1, h1));
|
|
EXPECT(GPT_ERROR_CRC_CORRUPTED == CheckEntries(e2, h1));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/*
|
|
* Test if partition geometry is checked.
|
|
* All active (non-zero PartitionTypeGUID) partition entries should have:
|
|
* entry.StartingLBA >= header.FirstUsableLBA
|
|
* entry.EndingLBA <= header.LastUsableLBA
|
|
* entry.StartingLBA <= entry.EndingLBA
|
|
*/
|
|
static int ValidEntryTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptEntry *e1 = (GptEntry *)(gpt->primary_entries);
|
|
|
|
/* error case: entry.StartingLBA < header.FirstUsableLBA */
|
|
BuildTestGptData(gpt);
|
|
e1[0].starting_lba = h1->first_usable_lba - 1;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(GPT_ERROR_OUT_OF_REGION == CheckEntries(e1, h1));
|
|
|
|
/* error case: entry.EndingLBA > header.LastUsableLBA */
|
|
BuildTestGptData(gpt);
|
|
e1[2].ending_lba = h1->last_usable_lba + 1;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(GPT_ERROR_OUT_OF_REGION == CheckEntries(e1, h1));
|
|
|
|
/* error case: entry.StartingLBA > entry.EndingLBA */
|
|
BuildTestGptData(gpt);
|
|
e1[3].starting_lba = e1[3].ending_lba + 1;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(GPT_ERROR_OUT_OF_REGION == CheckEntries(e1, h1));
|
|
|
|
/* case: non active entry should be ignored. */
|
|
BuildTestGptData(gpt);
|
|
memset(&e1[1].type, 0, sizeof(e1[1].type));
|
|
e1[1].starting_lba = e1[1].ending_lba + 1;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(0 == CheckEntries(e1, h1));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test if overlapped partition tables can be detected. */
|
|
static int OverlappedPartitionTest(void) {
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h = (GptHeader *)gpt->primary_header;
|
|
GptEntry *e = (GptEntry *)gpt->primary_entries;
|
|
int i, j;
|
|
|
|
struct {
|
|
int overlapped;
|
|
struct {
|
|
int active;
|
|
uint64_t starting_lba;
|
|
uint64_t ending_lba;
|
|
} entries[16]; /* enough for testing. */
|
|
} cases[] = {
|
|
{GPT_SUCCESS, {{0, 100, 199}}},
|
|
{GPT_SUCCESS, {{1, 100, 199}}},
|
|
{GPT_SUCCESS, {{1, 100, 150}, {1, 200, 250}, {1, 300, 350}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{1, 200, 299}, {1, 100, 199}, {1, 100, 100}}},
|
|
{GPT_ERROR_END_LBA_OVERLAP,
|
|
{{1, 200, 299}, {1, 100, 199}, {1, 299, 299}}},
|
|
{GPT_SUCCESS, {{1, 300, 399}, {1, 200, 299}, {1, 100, 199}}},
|
|
{GPT_ERROR_END_LBA_OVERLAP,
|
|
{{1, 100, 199}, {1, 199, 299}, {1, 299, 399}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{1, 100, 199}, {1, 200, 299}, {1, 75, 399}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{1, 100, 199}, {1, 75, 250}, {1, 200, 299}}},
|
|
{GPT_ERROR_END_LBA_OVERLAP,
|
|
{{1, 75, 150}, {1, 100, 199}, {1, 200, 299}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{1, 200, 299}, {1, 100, 199}, {1, 300, 399}, {1, 100, 399}}},
|
|
{GPT_SUCCESS,
|
|
{{1, 200, 299}, {1, 100, 199}, {1, 300, 399}, {0, 100, 399}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{1, 200, 300}, {1, 100, 200}, {1, 100, 400}, {1, 300, 400}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{0, 200, 300}, {1, 100, 200}, {1, 100, 400}, {1, 300, 400}}},
|
|
{GPT_SUCCESS,
|
|
{{1, 200, 300}, {1, 100, 199}, {0, 100, 400}, {0, 300, 400}}},
|
|
{GPT_ERROR_END_LBA_OVERLAP,
|
|
{{1, 200, 299}, {1, 100, 199}, {1, 199, 199}}},
|
|
{GPT_SUCCESS, {{1, 200, 299}, {0, 100, 199}, {1, 199, 199}}},
|
|
{GPT_SUCCESS, {{1, 200, 299}, {1, 100, 199}, {0, 199, 199}}},
|
|
{GPT_ERROR_START_LBA_OVERLAP,
|
|
{{1, 199, 199}, {1, 200, 200}, {1, 201, 201}, {1, 202, 202},
|
|
{1, 203, 203}, {1, 204, 204}, {1, 205, 205}, {1, 206, 206},
|
|
{1, 207, 207}, {1, 208, 208}, {1, 199, 199}}},
|
|
{GPT_SUCCESS,
|
|
{{1, 199, 199}, {1, 200, 200}, {1, 201, 201}, {1, 202, 202},
|
|
{1, 203, 203}, {1, 204, 204}, {1, 205, 205}, {1, 206, 206},
|
|
{1, 207, 207}, {1, 208, 208}, {0, 199, 199}}},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(cases); ++i) {
|
|
BuildTestGptData(gpt);
|
|
ZeroEntries(gpt);
|
|
for(j = 0; j < ARRAY_SIZE(cases[0].entries); ++j) {
|
|
if (!cases[i].entries[j].starting_lba)
|
|
break;
|
|
|
|
if (cases[i].entries[j].active) {
|
|
memcpy(&e[j].type, &guid_kernel, sizeof(Guid));
|
|
}
|
|
SetGuid(&e[j].unique, j);
|
|
e[j].starting_lba = cases[i].entries[j].starting_lba;
|
|
e[j].ending_lba = cases[i].entries[j].ending_lba;
|
|
}
|
|
RefreshCrc32(gpt);
|
|
|
|
EXPECT(cases[i].overlapped == CheckEntries(e, h));
|
|
}
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test both sanity checking and repair. */
|
|
static int SanityCheckTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h1 = (GptHeader *)gpt->primary_header;
|
|
GptHeader *h2 = (GptHeader *)gpt->secondary_header;
|
|
GptEntry *e1 = (GptEntry *)gpt->primary_entries;
|
|
uint8_t *tempptr;
|
|
|
|
/* Unmodified test data is completely sane */
|
|
BuildTestGptData(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(MASK_NONE == gpt->ignored);
|
|
/* Repair doesn't damage it */
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
/* Invalid sector size should fail */
|
|
BuildTestGptData(gpt);
|
|
gpt->sector_bytes = 1023;
|
|
EXPECT(GPT_ERROR_INVALID_SECTOR_SIZE == GptSanityCheck(gpt));
|
|
|
|
/* Modify headers */
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_header[0]++;
|
|
gpt->secondary_header[0]++;
|
|
EXPECT(GPT_ERROR_INVALID_HEADERS == GptSanityCheck(gpt));
|
|
EXPECT(0 == gpt->valid_headers);
|
|
EXPECT(0 == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
/* Repair can't fix completely busted headers */
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_ERROR_INVALID_HEADERS == GptSanityCheck(gpt));
|
|
EXPECT(0 == gpt->valid_headers);
|
|
EXPECT(0 == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_header[0]++;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_SECONDARY == gpt->valid_headers);
|
|
EXPECT(MASK_SECONDARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT((GPT_MODIFIED_HEADER1 | GPT_MODIFIED_ENTRIES1) == gpt->modified);
|
|
|
|
BuildTestGptData(gpt);
|
|
gpt->secondary_header[0]++;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_PRIMARY == gpt->valid_headers);
|
|
EXPECT(MASK_PRIMARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT((GPT_MODIFIED_HEADER2 | GPT_MODIFIED_ENTRIES2) == gpt->modified);
|
|
|
|
/*
|
|
* Modify header1 and update its CRC. Since header2 is now different
|
|
* than header1, it'll be the one considered invalid.
|
|
*/
|
|
BuildTestGptData(gpt);
|
|
h1->size++;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_PRIMARY == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT(GPT_MODIFIED_HEADER2 == gpt->modified);
|
|
|
|
/* Modify entries */
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_entries[0]++;
|
|
gpt->secondary_entries[0]++;
|
|
EXPECT(GPT_ERROR_INVALID_ENTRIES == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_NONE == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
/* Repair can't fix both copies of entries being bad, either. */
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_ERROR_INVALID_ENTRIES == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_NONE == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_entries[0]++;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_SECONDARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT(GPT_MODIFIED_ENTRIES1 == gpt->modified);
|
|
|
|
BuildTestGptData(gpt);
|
|
gpt->secondary_entries[0]++;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_PRIMARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT(GPT_MODIFIED_ENTRIES2 == gpt->modified);
|
|
|
|
/*
|
|
* Modify entries and recompute CRCs, then make both primary and
|
|
* secondary entry pointers use the secondary data. The primary
|
|
* header will have the wrong entries CRC, so we should fall back
|
|
* to the secondary header.
|
|
*/
|
|
BuildTestGptData(gpt);
|
|
e1->starting_lba++;
|
|
RefreshCrc32(gpt);
|
|
tempptr = gpt->primary_entries;
|
|
gpt->primary_entries = gpt->secondary_entries;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_SECONDARY == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
gpt->primary_entries = tempptr;
|
|
|
|
/* Modify both header and entries */
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_header[0]++;
|
|
gpt->primary_entries[0]++;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_SECONDARY == gpt->valid_headers);
|
|
EXPECT(MASK_SECONDARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT((GPT_MODIFIED_HEADER1 | GPT_MODIFIED_ENTRIES1) == gpt->modified);
|
|
|
|
BuildTestGptData(gpt);
|
|
gpt->secondary_header[0]++;
|
|
gpt->secondary_entries[0]++;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_PRIMARY == gpt->valid_headers);
|
|
EXPECT(MASK_PRIMARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT((GPT_MODIFIED_HEADER2 | GPT_MODIFIED_ENTRIES2) == gpt->modified);
|
|
|
|
/*
|
|
* Test mismatched pairs (h1+e1 valid, h2+e2 valid but different. This
|
|
* simulates a partial update of the drive.
|
|
*/
|
|
BuildTestGptData(gpt);
|
|
gpt->secondary_entries[0]++;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_PRIMARY == gpt->valid_headers);
|
|
EXPECT(MASK_PRIMARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
GptRepair(gpt);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
EXPECT((GPT_MODIFIED_HEADER2 | GPT_MODIFIED_ENTRIES2) == gpt->modified);
|
|
|
|
/* Test unloaded entry array. */
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_entries = NULL;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_SECONDARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
gpt = GetEmptyGptData();
|
|
BuildTestGptData(gpt);
|
|
gpt->secondary_entries = NULL;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_PRIMARY == gpt->valid_entries);
|
|
EXPECT(0 == gpt->ignored);
|
|
gpt = GetEmptyGptData();
|
|
|
|
/* Test unloaded header. */
|
|
BuildTestGptData(gpt);
|
|
gpt->primary_header = NULL;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_SECONDARY == gpt->valid_headers);
|
|
EXPECT(0 == gpt->ignored);
|
|
gpt = GetEmptyGptData();
|
|
BuildTestGptData(gpt);
|
|
gpt->secondary_header = NULL;
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_PRIMARY == gpt->valid_headers);
|
|
EXPECT(0 == gpt->ignored);
|
|
gpt = GetEmptyGptData();
|
|
|
|
/* Test correct recognition of IGNOREME in primary GPT. */
|
|
BuildTestGptData(gpt);
|
|
memset(gpt->primary_entries, 0, PARTITION_ENTRIES_SIZE);
|
|
memset(gpt->primary_header, 0, sizeof(GptHeader));
|
|
memcpy(h1->signature, GPT_HEADER_SIGNATURE_IGNORED,
|
|
GPT_HEADER_SIGNATURE_SIZE);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(MASK_PRIMARY == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
/* Test correct recognition of IGNOREME in secondary GPT. */
|
|
BuildTestGptData(gpt);
|
|
memset(gpt->secondary_entries, 0, PARTITION_ENTRIES_SIZE);
|
|
memset(gpt->secondary_header, 0, sizeof(GptHeader));
|
|
memcpy(h2->signature, GPT_HEADER_SIGNATURE_IGNORED,
|
|
GPT_HEADER_SIGNATURE_SIZE);
|
|
EXPECT(GPT_SUCCESS == GptSanityCheck(gpt));
|
|
EXPECT(MASK_BOTH == gpt->valid_headers);
|
|
EXPECT(MASK_BOTH == gpt->valid_entries);
|
|
EXPECT(MASK_SECONDARY == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
/* Test that two IGNOREME GPTs are invalid. */
|
|
ZeroHeadersEntries(gpt);
|
|
memcpy(h1->signature, GPT_HEADER_SIGNATURE_IGNORED,
|
|
GPT_HEADER_SIGNATURE_SIZE);
|
|
memcpy(h2->signature, GPT_HEADER_SIGNATURE_IGNORED,
|
|
GPT_HEADER_SIGNATURE_SIZE);
|
|
EXPECT(GPT_ERROR_INVALID_HEADERS == GptSanityCheck(gpt));
|
|
EXPECT(0 == gpt->valid_headers);
|
|
EXPECT(0 == gpt->valid_entries);
|
|
EXPECT(MASK_BOTH == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
/* Test that one IGNOREME GPT and one corrupted one are invalid. */
|
|
BuildTestGptData(gpt);
|
|
memset(gpt->primary_entries, 0, PARTITION_ENTRIES_SIZE);
|
|
memset(gpt->primary_header, 0, sizeof(GptHeader));
|
|
memcpy(h1->signature, GPT_HEADER_SIGNATURE_IGNORED,
|
|
GPT_HEADER_SIGNATURE_SIZE);
|
|
gpt->secondary_entries[0]++;
|
|
EXPECT(GPT_ERROR_INVALID_ENTRIES == GptSanityCheck(gpt));
|
|
EXPECT(MASK_SECONDARY == gpt->valid_headers);
|
|
EXPECT(0 == gpt->valid_entries);
|
|
EXPECT(MASK_PRIMARY == gpt->ignored);
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int EntryAttributeGetSetTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e = (GptEntry *)(gpt->primary_entries);
|
|
|
|
e->attrs.whole = 0x0000000000000000ULL;
|
|
SetEntryRequired(e, 1);
|
|
EXPECT(0x0000000000000001ULL == e->attrs.whole);
|
|
EXPECT(1 == GetEntryRequired(e));
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
SetEntryRequired(e, 0);
|
|
EXPECT(0xFFFFFFFFFFFFFFFEULL == e->attrs.whole);
|
|
EXPECT(0 == GetEntryRequired(e));
|
|
|
|
e->attrs.whole = 0x0000000000000000ULL;
|
|
SetEntryLegacyBoot(e, 1);
|
|
EXPECT(0x0000000000000004ULL == e->attrs.whole);
|
|
EXPECT(1 == GetEntryLegacyBoot(e));
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
SetEntryLegacyBoot(e, 0);
|
|
EXPECT(0xFFFFFFFFFFFFFFFBULL == e->attrs.whole);
|
|
EXPECT(0 == GetEntryLegacyBoot(e));
|
|
|
|
e->attrs.whole = 0x0000000000000000ULL;
|
|
SetEntrySuccessful(e, 1);
|
|
EXPECT(0x0100000000000000ULL == e->attrs.whole);
|
|
EXPECT(1 == GetEntrySuccessful(e));
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
SetEntrySuccessful(e, 0);
|
|
EXPECT(0xFEFFFFFFFFFFFFFFULL == e->attrs.whole);
|
|
EXPECT(0 == GetEntrySuccessful(e));
|
|
|
|
e->attrs.whole = 0x0000000000000000ULL;
|
|
SetEntryTries(e, 15);
|
|
EXPECT(15 == GetEntryTries(e));
|
|
EXPECT(0x00F0000000000000ULL == e->attrs.whole);
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
SetEntryTries(e, 0);
|
|
EXPECT(0xFF0FFFFFFFFFFFFFULL == e->attrs.whole);
|
|
EXPECT(0 == GetEntryTries(e));
|
|
|
|
e->attrs.whole = 0x0000000000000000ULL;
|
|
SetEntryPriority(e, 15);
|
|
EXPECT(0x000F000000000000ULL == e->attrs.whole);
|
|
EXPECT(15 == GetEntryPriority(e));
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
SetEntryPriority(e, 0);
|
|
EXPECT(0xFFF0FFFFFFFFFFFFULL == e->attrs.whole);
|
|
EXPECT(0 == GetEntryPriority(e));
|
|
|
|
e->attrs.whole = 0x0000000000000000ULL;
|
|
SetEntryPriority(e, 15);
|
|
override_priority = 10;
|
|
EXPECT(0x000F000000000000ULL == e->attrs.whole);
|
|
EXPECT(10 == GetEntryPriority(e));
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
SetEntryPriority(e, 0);
|
|
EXPECT(0xFFF0FFFFFFFFFFFFULL == e->attrs.whole);
|
|
EXPECT(10 == GetEntryPriority(e));
|
|
override_priority = 0;
|
|
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
EXPECT(1 == GetEntryLegacyBoot(e));
|
|
EXPECT(1 == GetEntrySuccessful(e));
|
|
EXPECT(15 == GetEntryPriority(e));
|
|
EXPECT(15 == GetEntryTries(e));
|
|
|
|
override_priority = 10;
|
|
e->attrs.whole = 0xFFFFFFFFFFFFFFFFULL;
|
|
EXPECT(1 == GetEntryRequired(e));
|
|
EXPECT(1 == GetEntryLegacyBoot(e));
|
|
EXPECT(1 == GetEntrySuccessful(e));
|
|
EXPECT(10 == GetEntryPriority(e));
|
|
EXPECT(15 == GetEntryTries(e));
|
|
override_priority = 0;
|
|
|
|
e->attrs.whole = 0x0123000000000004ULL;
|
|
EXPECT(0 == GetEntryRequired(e));
|
|
EXPECT(1 == GetEntryLegacyBoot(e));
|
|
EXPECT(1 == GetEntrySuccessful(e));
|
|
EXPECT(2 == GetEntryTries(e));
|
|
EXPECT(3 == GetEntryPriority(e));
|
|
|
|
override_priority = 10;
|
|
e->attrs.whole = 0x0123000000000004ULL;
|
|
EXPECT(0 == GetEntryRequired(e));
|
|
EXPECT(1 == GetEntryLegacyBoot(e));
|
|
EXPECT(1 == GetEntrySuccessful(e));
|
|
EXPECT(2 == GetEntryTries(e));
|
|
EXPECT(10 == GetEntryPriority(e));
|
|
override_priority = 0;
|
|
|
|
/* Invalid priority */
|
|
override_priority = 100;
|
|
e->attrs.whole = 0x0123000000000004ULL;
|
|
EXPECT(0 == GetEntryRequired(e));
|
|
EXPECT(1 == GetEntryLegacyBoot(e));
|
|
EXPECT(1 == GetEntrySuccessful(e));
|
|
EXPECT(2 == GetEntryTries(e));
|
|
EXPECT(3 == GetEntryPriority(e));
|
|
override_priority = 0;
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int EntryTypeTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e = (GptEntry *)(gpt->primary_entries);
|
|
|
|
memcpy(&e->type, &guid_zero, sizeof(Guid));
|
|
EXPECT(1 == IsUnusedEntry(e));
|
|
EXPECT(0 == IsKernelEntry(e));
|
|
|
|
memcpy(&e->type, &guid_kernel, sizeof(Guid));
|
|
EXPECT(0 == IsUnusedEntry(e));
|
|
EXPECT(1 == IsKernelEntry(e));
|
|
|
|
memcpy(&e->type, &guid_rootfs, sizeof(Guid));
|
|
EXPECT(0 == IsUnusedEntry(e));
|
|
EXPECT(0 == IsKernelEntry(e));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Make an entry unused by clearing its type. */
|
|
static void FreeEntry(GptEntry *e)
|
|
{
|
|
memset(&e->type, 0, sizeof(Guid));
|
|
}
|
|
|
|
/* Set up an entry. */
|
|
static void FillEntry(GptEntry *e, int is_kernel,
|
|
int priority, int successful, int tries)
|
|
{
|
|
memcpy(&e->type, (is_kernel ? &guid_kernel : &guid_zero), sizeof(Guid));
|
|
SetEntryPriority(e, priority);
|
|
SetEntrySuccessful(e, successful);
|
|
SetEntryTries(e, tries);
|
|
}
|
|
|
|
/*
|
|
* Invalidate all kernel entries and expect GptNextKernelEntry() cannot find
|
|
* any usable kernel entry.
|
|
*/
|
|
static int NoValidKernelEntryTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e1 = (GptEntry *)(gpt->primary_entries);
|
|
|
|
BuildTestGptData(gpt);
|
|
SetEntryPriority(e1 + KERNEL_A, 0);
|
|
FreeEntry(e1 + KERNEL_B);
|
|
RefreshCrc32(gpt);
|
|
EXPECT(GPT_ERROR_NO_VALID_KERNEL ==
|
|
GptNextKernelEntry(gpt, NULL, NULL));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int GetNextNormalTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e1 = (GptEntry *)(gpt->primary_entries);
|
|
uint64_t start, size;
|
|
|
|
/* Normal case - both kernels successful */
|
|
BuildTestGptData(gpt);
|
|
FillEntry(e1 + KERNEL_A, 1, 2, 1, 0);
|
|
FillEntry(e1 + KERNEL_B, 1, 2, 1, 0);
|
|
RefreshCrc32(gpt);
|
|
GptInit(gpt);
|
|
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_A == gpt->current_kernel);
|
|
EXPECT(34 == start);
|
|
EXPECT(100 == size);
|
|
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_B == gpt->current_kernel);
|
|
EXPECT(134 == start);
|
|
EXPECT(99 == size);
|
|
|
|
EXPECT(GPT_ERROR_NO_VALID_KERNEL ==
|
|
GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(-1 == gpt->current_kernel);
|
|
|
|
/* Call as many times as you want; you won't get another kernel... */
|
|
EXPECT(GPT_ERROR_NO_VALID_KERNEL ==
|
|
GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(-1 == gpt->current_kernel);
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int GetNextPrioTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e1 = (GptEntry *)(gpt->primary_entries);
|
|
uint64_t start, size;
|
|
|
|
/* Priority 3, 4, 0, 4 - should boot order B, Y, A */
|
|
BuildTestGptData(gpt);
|
|
FillEntry(e1 + KERNEL_A, 1, 3, 1, 0);
|
|
FillEntry(e1 + KERNEL_B, 1, 4, 1, 0);
|
|
FillEntry(e1 + KERNEL_X, 1, 0, 1, 0);
|
|
FillEntry(e1 + KERNEL_Y, 1, 4, 1, 0);
|
|
RefreshCrc32(gpt);
|
|
GptInit(gpt);
|
|
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_B == gpt->current_kernel);
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_Y == gpt->current_kernel);
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_A == gpt->current_kernel);
|
|
EXPECT(GPT_ERROR_NO_VALID_KERNEL ==
|
|
GptNextKernelEntry(gpt, &start, &size));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int GetNextTriesTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e1 = (GptEntry *)(gpt->primary_entries);
|
|
uint64_t start, size;
|
|
|
|
/* Tries=nonzero is attempted just like success, but tries=0 isn't */
|
|
BuildTestGptData(gpt);
|
|
FillEntry(e1 + KERNEL_A, 1, 2, 1, 0);
|
|
FillEntry(e1 + KERNEL_B, 1, 3, 0, 0);
|
|
FillEntry(e1 + KERNEL_X, 1, 4, 0, 1);
|
|
FillEntry(e1 + KERNEL_Y, 1, 0, 0, 5);
|
|
RefreshCrc32(gpt);
|
|
GptInit(gpt);
|
|
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_X == gpt->current_kernel);
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_A == gpt->current_kernel);
|
|
EXPECT(GPT_ERROR_NO_VALID_KERNEL ==
|
|
GptNextKernelEntry(gpt, &start, &size));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int GptUpdateTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e = (GptEntry *)(gpt->primary_entries);
|
|
GptEntry *e2 = (GptEntry *)(gpt->secondary_entries);
|
|
uint64_t start, size;
|
|
|
|
/* Tries=nonzero is attempted just like success, but tries=0 isn't */
|
|
BuildTestGptData(gpt);
|
|
FillEntry(e + KERNEL_A, 1, 4, 1, 0);
|
|
FillEntry(e + KERNEL_B, 1, 3, 0, 2);
|
|
FillEntry(e + KERNEL_X, 1, 2, 0, 2);
|
|
RefreshCrc32(gpt);
|
|
GptInit(gpt);
|
|
gpt->modified = 0; /* Nothing modified yet */
|
|
|
|
/* Successful kernel */
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_A == gpt->current_kernel);
|
|
EXPECT(1 == GetEntrySuccessful(e + KERNEL_A));
|
|
EXPECT(4 == GetEntryPriority(e + KERNEL_A));
|
|
EXPECT(0 == GetEntryTries(e + KERNEL_A));
|
|
EXPECT(1 == GetEntrySuccessful(e2 + KERNEL_A));
|
|
EXPECT(4 == GetEntryPriority(e2 + KERNEL_A));
|
|
EXPECT(0 == GetEntryTries(e2 + KERNEL_A));
|
|
/* Trying successful kernel changes nothing */
|
|
EXPECT(GPT_SUCCESS == GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_TRY));
|
|
EXPECT(1 == GetEntrySuccessful(e + KERNEL_A));
|
|
EXPECT(4 == GetEntryPriority(e + KERNEL_A));
|
|
EXPECT(0 == GetEntryTries(e + KERNEL_A));
|
|
EXPECT(0 == gpt->modified);
|
|
/* Marking it bad also does not update it. */
|
|
EXPECT(GPT_SUCCESS == GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_BAD));
|
|
EXPECT(1 == GetEntrySuccessful(e + KERNEL_A));
|
|
EXPECT(4 == GetEntryPriority(e + KERNEL_A));
|
|
EXPECT(0 == GetEntryTries(e + KERNEL_A));
|
|
EXPECT(0 == gpt->modified);
|
|
|
|
/* Kernel with tries */
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_B == gpt->current_kernel);
|
|
EXPECT(0 == GetEntrySuccessful(e + KERNEL_B));
|
|
EXPECT(3 == GetEntryPriority(e + KERNEL_B));
|
|
EXPECT(2 == GetEntryTries(e + KERNEL_B));
|
|
/* Marking it bad clears it */
|
|
EXPECT(GPT_SUCCESS == GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_BAD));
|
|
EXPECT(0 == GetEntrySuccessful(e + KERNEL_B));
|
|
EXPECT(0 == GetEntryPriority(e + KERNEL_B));
|
|
EXPECT(0 == GetEntryTries(e + KERNEL_B));
|
|
/* Which affects both copies of the partition entries */
|
|
EXPECT(0 == GetEntrySuccessful(e2 + KERNEL_B));
|
|
EXPECT(0 == GetEntryPriority(e2 + KERNEL_B));
|
|
EXPECT(0 == GetEntryTries(e2 + KERNEL_B));
|
|
/* And that's caused the GPT to need updating */
|
|
EXPECT(0x0F == gpt->modified);
|
|
|
|
/* Another kernel with tries */
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_X == gpt->current_kernel);
|
|
EXPECT(0 == GetEntrySuccessful(e + KERNEL_X));
|
|
EXPECT(2 == GetEntryPriority(e + KERNEL_X));
|
|
EXPECT(2 == GetEntryTries(e + KERNEL_X));
|
|
/* Trying it uses up a try */
|
|
EXPECT(GPT_SUCCESS == GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_TRY));
|
|
EXPECT(0 == GetEntrySuccessful(e + KERNEL_X));
|
|
EXPECT(2 == GetEntryPriority(e + KERNEL_X));
|
|
EXPECT(1 == GetEntryTries(e + KERNEL_X));
|
|
EXPECT(0 == GetEntrySuccessful(e2 + KERNEL_X));
|
|
EXPECT(2 == GetEntryPriority(e2 + KERNEL_X));
|
|
EXPECT(1 == GetEntryTries(e2 + KERNEL_X));
|
|
/* Trying it again marks it inactive */
|
|
EXPECT(GPT_SUCCESS == GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_TRY));
|
|
EXPECT(0 == GetEntrySuccessful(e + KERNEL_X));
|
|
EXPECT(0 == GetEntryPriority(e + KERNEL_X));
|
|
EXPECT(0 == GetEntryTries(e + KERNEL_X));
|
|
|
|
/* Can't update if entry isn't a kernel, or there isn't an entry */
|
|
memcpy(&e[KERNEL_X].type, &guid_rootfs, sizeof(guid_rootfs));
|
|
EXPECT(GPT_ERROR_INVALID_UPDATE_TYPE ==
|
|
GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_BAD));
|
|
gpt->current_kernel = CGPT_KERNEL_ENTRY_NOT_FOUND;
|
|
EXPECT(GPT_ERROR_INVALID_UPDATE_TYPE ==
|
|
GptUpdateKernelEntry(gpt, GPT_UPDATE_ENTRY_BAD));
|
|
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int GptOverridePriorityTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e = (GptEntry *)(gpt->primary_entries);
|
|
uint64_t start, size;
|
|
|
|
/* Tries=nonzero is attempted just like success, but tries=0 isn't */
|
|
BuildTestGptData(gpt);
|
|
FillEntry(e + KERNEL_A, 1, 4, 1, 0);
|
|
FillEntry(e + KERNEL_B, 1, 3, 0, 2);
|
|
FillEntry(e + KERNEL_X, 1, 2, 0, 2);
|
|
RefreshCrc32(gpt);
|
|
GptInit(gpt);
|
|
gpt->modified = 0; /* Nothing modified yet */
|
|
|
|
override_counter = 1;
|
|
override_priority = 15;
|
|
|
|
/* Kernel returned should be B instead of A */
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_B == gpt->current_kernel);
|
|
|
|
override_counter = 0;
|
|
override_priority = 0;
|
|
|
|
/* Now, we should get A */
|
|
EXPECT(GPT_SUCCESS == GptNextKernelEntry(gpt, &start, &size));
|
|
EXPECT(KERNEL_A == gpt->current_kernel);
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/*
|
|
* Give an invalid kernel type, and expect GptUpdateKernelEntry() returns
|
|
* GPT_ERROR_INVALID_UPDATE_TYPE.
|
|
*/
|
|
static int UpdateInvalidKernelTypeTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
|
|
BuildTestGptData(gpt);
|
|
/* anything, but not CGPT_KERNEL_ENTRY_NOT_FOUND */
|
|
gpt->current_kernel = 0;
|
|
/* any invalid update_type value */
|
|
EXPECT(GPT_ERROR_INVALID_UPDATE_TYPE ==
|
|
GptUpdateKernelEntry(gpt, 99));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test duplicate UniqueGuids can be detected. */
|
|
static int DuplicateUniqueGuidTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptHeader *h = (GptHeader *)gpt->primary_header;
|
|
GptEntry *e = (GptEntry *)gpt->primary_entries;
|
|
int i, j;
|
|
|
|
struct {
|
|
int duplicate;
|
|
struct {
|
|
uint64_t starting_lba;
|
|
uint64_t ending_lba;
|
|
uint32_t type_guid;
|
|
uint32_t unique_guid;
|
|
} entries[16]; /* enough for testing. */
|
|
} cases[] = {
|
|
{GPT_SUCCESS, {{100, 109, 1, 1},
|
|
{110, 119, 2, 2},
|
|
{120, 129, 3, 3},
|
|
{130, 139, 4, 4},
|
|
}},
|
|
{GPT_SUCCESS, {{100, 109, 1, 1},
|
|
{110, 119, 1, 2},
|
|
{120, 129, 2, 3},
|
|
{130, 139, 2, 4},
|
|
}},
|
|
{GPT_ERROR_DUP_GUID, {{100, 109, 1, 1},
|
|
{110, 119, 2, 2},
|
|
{120, 129, 3, 1},
|
|
{130, 139, 4, 4},
|
|
}},
|
|
{GPT_ERROR_DUP_GUID, {{100, 109, 1, 1},
|
|
{110, 119, 1, 2},
|
|
{120, 129, 2, 3},
|
|
{130, 139, 2, 2},
|
|
}},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(cases); ++i) {
|
|
BuildTestGptData(gpt);
|
|
ZeroEntries(gpt);
|
|
for(j = 0; j < ARRAY_SIZE(cases[0].entries); ++j) {
|
|
if (!cases[i].entries[j].starting_lba)
|
|
break;
|
|
|
|
e[j].starting_lba = cases[i].entries[j].starting_lba;
|
|
e[j].ending_lba = cases[i].entries[j].ending_lba;
|
|
SetGuid(&e[j].type, cases[i].entries[j].type_guid);
|
|
SetGuid(&e[j].unique, cases[i].entries[j].unique_guid);
|
|
}
|
|
RefreshCrc32(gpt);
|
|
|
|
EXPECT(cases[i].duplicate == CheckEntries(e, h));
|
|
}
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test getting the current kernel GUID */
|
|
static int GetKernelGuidTest(void)
|
|
{
|
|
GptData *gpt = GetEmptyGptData();
|
|
GptEntry *e = (GptEntry *)gpt->primary_entries;
|
|
Guid g;
|
|
|
|
BuildTestGptData(gpt);
|
|
gpt->current_kernel = 0;
|
|
GetCurrentKernelUniqueGuid(gpt, &g);
|
|
EXPECT(!memcmp(&g, &e[0].unique, sizeof(Guid)));
|
|
gpt->current_kernel = 1;
|
|
GetCurrentKernelUniqueGuid(gpt, &g);
|
|
EXPECT(!memcmp(&g, &e[1].unique, sizeof(Guid)));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
/* Test getting GPT error text strings */
|
|
static int ErrorTextTest(void)
|
|
{
|
|
int i;
|
|
|
|
/* Known errors are not unknown */
|
|
for (i = 0; i < GPT_ERROR_COUNT; i++) {
|
|
EXPECT(GptErrorText(i));
|
|
EXPECT(strcmp(GptErrorText(i), "Unknown"));
|
|
}
|
|
|
|
/* But other error values are */
|
|
EXPECT(!strcmp(GptErrorText(GPT_ERROR_COUNT), "Unknown"));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
static int CheckHeaderOffDevice(void)
|
|
{
|
|
GptData* gpt = GetEmptyGptData();
|
|
BuildTestGptData(gpt);
|
|
|
|
GptHeader* primary_header = (GptHeader*)gpt->primary_header;
|
|
primary_header->first_usable_lba = 0;
|
|
RefreshCrc32(gpt);
|
|
// GPT is stored on the same device so first usable lba should not
|
|
// start at 0.
|
|
EXPECT(1 == CheckHeader(primary_header, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
// But off device, it is okay to accept this GPT header.
|
|
EXPECT(0 == CheckHeader(primary_header, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
primary_header->number_of_entries = 100;
|
|
RefreshCrc32(gpt);
|
|
// Normally, number of entries is 128. So this should fail.
|
|
EXPECT(1 == CheckHeader(primary_header, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
// But off device, it is okay.
|
|
EXPECT(0 == CheckHeader(primary_header, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
primary_header->number_of_entries = MIN_NUMBER_OF_ENTRIES - 1;
|
|
RefreshCrc32(gpt);
|
|
// However, too few entries is not good.
|
|
EXPECT(1 == CheckHeader(primary_header, 0, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
// Repeat for secondary header.
|
|
BuildTestGptData(gpt);
|
|
GptHeader* secondary_header = (GptHeader*)gpt->secondary_header;
|
|
secondary_header->first_usable_lba = 0;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(secondary_header, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(0 == CheckHeader(secondary_header, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
BuildTestGptData(gpt);
|
|
secondary_header->number_of_entries = 100;
|
|
/* Because we change number of entries, we need to also update entrie_lba. */
|
|
secondary_header->entries_lba = secondary_header->my_lba -
|
|
CalculateEntriesSectors(secondary_header, gpt->sector_bytes);
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(secondary_header, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, 0, gpt->sector_bytes));
|
|
EXPECT(0 == CheckHeader(secondary_header, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
secondary_header->number_of_entries = MIN_NUMBER_OF_ENTRIES - 1;
|
|
RefreshCrc32(gpt);
|
|
EXPECT(1 == CheckHeader(secondary_header, 1, gpt->streaming_drive_sectors,
|
|
gpt->gpt_drive_sectors, GPT_FLAG_EXTERNAL, gpt->sector_bytes));
|
|
|
|
return TEST_OK;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
int error_count = 0;
|
|
struct {
|
|
const char *name;
|
|
test_func fp;
|
|
int retval;
|
|
} test_cases[] = {
|
|
{ TEST_CASE(StructSizeTest), },
|
|
{ TEST_CASE(TestBuildTestGptData), },
|
|
{ TEST_CASE(ParameterTests), },
|
|
{ TEST_CASE(HeaderCrcTest), },
|
|
{ TEST_CASE(HeaderSameTest), },
|
|
{ TEST_CASE(SignatureTest), },
|
|
{ TEST_CASE(RevisionTest), },
|
|
{ TEST_CASE(SizeTest), },
|
|
{ TEST_CASE(CrcFieldTest), },
|
|
{ TEST_CASE(ReservedFieldsTest), },
|
|
{ TEST_CASE(SizeOfPartitionEntryTest), },
|
|
{ TEST_CASE(NumberOfPartitionEntriesTest), },
|
|
{ TEST_CASE(MyLbaTest), },
|
|
{ TEST_CASE(FirstUsableLbaAndLastUsableLbaTest), },
|
|
{ TEST_CASE(EntriesCrcTest), },
|
|
{ TEST_CASE(ValidEntryTest), },
|
|
{ TEST_CASE(OverlappedPartitionTest), },
|
|
{ TEST_CASE(SanityCheckTest), },
|
|
{ TEST_CASE(NoValidKernelEntryTest), },
|
|
{ TEST_CASE(EntryAttributeGetSetTest), },
|
|
{ TEST_CASE(EntryTypeTest), },
|
|
{ TEST_CASE(GetNextNormalTest), },
|
|
{ TEST_CASE(GetNextPrioTest), },
|
|
{ TEST_CASE(GetNextTriesTest), },
|
|
{ TEST_CASE(GptUpdateTest), },
|
|
{ TEST_CASE(GptOverridePriorityTest), },
|
|
{ TEST_CASE(UpdateInvalidKernelTypeTest), },
|
|
{ TEST_CASE(DuplicateUniqueGuidTest), },
|
|
{ TEST_CASE(TestCrc32TestVectors), },
|
|
{ TEST_CASE(GetKernelGuidTest), },
|
|
{ TEST_CASE(ErrorTextTest), },
|
|
{ TEST_CASE(CheckHeaderOffDevice), },
|
|
};
|
|
|
|
for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i) {
|
|
printf("Running %s() ...\n", test_cases[i].name);
|
|
test_cases[i].retval = test_cases[i].fp();
|
|
if (test_cases[i].retval) {
|
|
printf(COL_RED "[ERROR]\n\n" COL_STOP);
|
|
++error_count;
|
|
} else {
|
|
printf(COL_GREEN "[PASS]\n\n" COL_STOP);
|
|
}
|
|
}
|
|
|
|
if (error_count) {
|
|
printf("\n------------------------------------------------\n");
|
|
printf(COL_RED "The following %d test cases are failed:\n"
|
|
COL_STOP, error_count);
|
|
for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i) {
|
|
if (test_cases[i].retval)
|
|
printf(" %s()\n", test_cases[i].name);
|
|
}
|
|
}
|
|
|
|
return error_count ? 1 : 0;
|
|
}
|