mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 13:03:13 +00:00
187 lines
7.4 KiB
C
187 lines
7.4 KiB
C
#include "update_manifest.h"
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#include <storage/storage.h>
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#include <flipper_format/flipper_format.h>
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#include <flipper_format/flipper_format_i.h>
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#define MANIFEST_KEY_INFO "Info"
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#define MANIFEST_KEY_TARGET "Target"
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#define MANIFEST_KEY_LOADER_FILE "Loader"
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#define MANIFEST_KEY_LOADER_CRC "Loader CRC"
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#define MANIFEST_KEY_DFU_FILE "Firmware"
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#define MANIFEST_KEY_RADIO_FILE "Radio"
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#define MANIFEST_KEY_RADIO_ADDRESS "Radio address"
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#define MANIFEST_KEY_RADIO_VERSION "Radio version"
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#define MANIFEST_KEY_RADIO_CRC "Radio CRC"
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#define MANIFEST_KEY_ASSETS_FILE "Resources"
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#define MANIFEST_KEY_OB_REFERENCE "OB reference"
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#define MANIFEST_KEY_OB_MASK "OB mask"
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#define MANIFEST_KEY_OB_WRITE_MASK "OB write mask"
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#define MANIFEST_KEY_SPLASH_FILE "Splashscreen"
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UpdateManifest* update_manifest_alloc() {
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UpdateManifest* update_manifest = malloc(sizeof(UpdateManifest));
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update_manifest->version = furi_string_alloc();
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update_manifest->firmware_dfu_image = furi_string_alloc();
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update_manifest->radio_image = furi_string_alloc();
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update_manifest->staged_loader_file = furi_string_alloc();
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update_manifest->resource_bundle = furi_string_alloc();
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update_manifest->splash_file = furi_string_alloc();
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update_manifest->target = 0;
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update_manifest->manifest_version = 0;
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memset(update_manifest->ob_reference.bytes, 0, FURI_HAL_FLASH_OB_RAW_SIZE_BYTES);
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memset(update_manifest->ob_compare_mask.bytes, 0, FURI_HAL_FLASH_OB_RAW_SIZE_BYTES);
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memset(update_manifest->ob_write_mask.bytes, 0, FURI_HAL_FLASH_OB_RAW_SIZE_BYTES);
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update_manifest->valid = false;
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return update_manifest;
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}
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void update_manifest_free(UpdateManifest* update_manifest) {
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furi_assert(update_manifest);
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furi_string_free(update_manifest->version);
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furi_string_free(update_manifest->firmware_dfu_image);
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furi_string_free(update_manifest->radio_image);
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furi_string_free(update_manifest->staged_loader_file);
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furi_string_free(update_manifest->resource_bundle);
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furi_string_free(update_manifest->splash_file);
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free(update_manifest);
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}
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static bool
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update_manifest_init_from_ff(UpdateManifest* update_manifest, FlipperFormat* flipper_file) {
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furi_assert(update_manifest);
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furi_assert(flipper_file);
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FuriString* filetype;
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filetype = furi_string_alloc();
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update_manifest->valid =
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flipper_format_read_header(flipper_file, filetype, &update_manifest->manifest_version) &&
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furi_string_cmp_str(filetype, "Flipper firmware upgrade configuration") == 0 &&
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flipper_format_read_string(flipper_file, MANIFEST_KEY_INFO, update_manifest->version) &&
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flipper_format_read_uint32(
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flipper_file, MANIFEST_KEY_TARGET, &update_manifest->target, 1) &&
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flipper_format_read_string(
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flipper_file, MANIFEST_KEY_LOADER_FILE, update_manifest->staged_loader_file) &&
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_LOADER_CRC,
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(uint8_t*)&update_manifest->staged_loader_crc,
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sizeof(uint32_t));
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furi_string_free(filetype);
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if(update_manifest->valid) {
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/* Optional fields - we can have dfu, radio, resources, or any combination */
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flipper_format_read_string(
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flipper_file, MANIFEST_KEY_DFU_FILE, update_manifest->firmware_dfu_image);
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flipper_format_read_string(
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flipper_file, MANIFEST_KEY_RADIO_FILE, update_manifest->radio_image);
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_RADIO_ADDRESS,
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(uint8_t*)&update_manifest->radio_address,
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sizeof(uint32_t));
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_RADIO_VERSION,
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update_manifest->radio_version.raw,
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sizeof(UpdateManifestRadioVersion));
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_RADIO_CRC,
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(uint8_t*)&update_manifest->radio_crc,
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sizeof(uint32_t));
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flipper_format_read_string(
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flipper_file, MANIFEST_KEY_ASSETS_FILE, update_manifest->resource_bundle);
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_OB_REFERENCE,
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update_manifest->ob_reference.bytes,
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FURI_HAL_FLASH_OB_RAW_SIZE_BYTES);
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_OB_MASK,
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update_manifest->ob_compare_mask.bytes,
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FURI_HAL_FLASH_OB_RAW_SIZE_BYTES);
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flipper_format_read_hex(
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flipper_file,
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MANIFEST_KEY_OB_WRITE_MASK,
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update_manifest->ob_write_mask.bytes,
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FURI_HAL_FLASH_OB_RAW_SIZE_BYTES);
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flipper_format_read_string(
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flipper_file, MANIFEST_KEY_SPLASH_FILE, update_manifest->splash_file);
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update_manifest->valid =
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(!furi_string_empty(update_manifest->firmware_dfu_image) ||
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!furi_string_empty(update_manifest->radio_image) ||
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!furi_string_empty(update_manifest->resource_bundle));
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}
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return update_manifest->valid;
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}
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// Verifies that mask values are same for adjacent words (value & inverted)
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static bool ob_data_check_mask_valid(const FuriHalFlashRawOptionByteData* mask) {
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bool mask_valid = true;
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for(size_t idx = 0; mask_valid && (idx < FURI_HAL_FLASH_OB_TOTAL_VALUES); ++idx) {
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mask_valid &= mask->obs[idx].values.base == mask->obs[idx].values.complementary_value;
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}
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return mask_valid;
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}
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// Verifies that all reference values have no unmasked bits
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static bool ob_data_check_masked_values_valid(
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const FuriHalFlashRawOptionByteData* data,
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const FuriHalFlashRawOptionByteData* mask) {
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bool valid = true;
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for(size_t idx = 0; valid && (idx < FURI_HAL_FLASH_OB_TOTAL_VALUES); ++idx) {
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valid &= (data->obs[idx].dword & mask->obs[idx].dword) == data->obs[idx].dword;
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}
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return valid;
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}
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bool update_manifest_has_obdata(UpdateManifest* update_manifest) {
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bool ob_data_valid = false;
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// do we have at least 1 value?
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for(size_t idx = 0; !ob_data_valid && (idx < FURI_HAL_FLASH_OB_RAW_SIZE_BYTES); ++idx) {
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ob_data_valid |= update_manifest->ob_reference.bytes[idx] != 0;
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}
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// sanity checks
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ob_data_valid &= ob_data_check_mask_valid(&update_manifest->ob_write_mask);
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ob_data_valid &= ob_data_check_mask_valid(&update_manifest->ob_compare_mask);
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ob_data_valid &= ob_data_check_masked_values_valid(
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&update_manifest->ob_reference, &update_manifest->ob_compare_mask);
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return ob_data_valid;
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}
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bool update_manifest_init(UpdateManifest* update_manifest, const char* manifest_filename) {
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Storage* storage = furi_record_open(RECORD_STORAGE);
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FlipperFormat* flipper_file = flipper_format_file_alloc(storage);
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if(flipper_format_file_open_existing(flipper_file, manifest_filename)) {
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update_manifest_init_from_ff(update_manifest, flipper_file);
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}
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flipper_format_free(flipper_file);
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furi_record_close(RECORD_STORAGE);
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return update_manifest->valid;
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}
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bool update_manifest_init_mem(
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UpdateManifest* update_manifest,
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const uint8_t* manifest_data,
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const uint16_t length) {
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FlipperFormat* flipper_file = flipper_format_string_alloc();
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Stream* sstream = flipper_format_get_raw_stream(flipper_file);
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stream_write(sstream, manifest_data, length);
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stream_seek(sstream, 0, StreamOffsetFromStart);
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update_manifest_init_from_ff(update_manifest, flipper_file);
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flipper_format_free(flipper_file);
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return update_manifest->valid;
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}
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