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[FL-3461] RPC: md5 in storage list (#2929)

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* Protobuf: update
* Toolbox: md5 for file. Unit-Tests: test md5_calc.
* Storage RPC, CLI, unit tests: use new md5_calc
* Protobuf: update
* RPC, StorageList: append md5 info to file
* fbt: attempt to fix shallow submodule checkouts
* pvs: make happy
* Protobuf: update to latest release

Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
This commit is contained in:
Sergey Gavrilov 2023-08-09 00:34:54 +03:00 committed by GitHub
parent e9f1af44f2
commit 00cdc3d1cb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
12 changed files with 233 additions and 107 deletions
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1
.gitmodules vendored
View file

@ -10,6 +10,7 @@
[submodule "assets/protobuf"]
path = assets/protobuf
url = https://github.com/flipperdevices/flipperzero-protobuf.git
shallow = false
[submodule "lib/libusb_stm32"]
path = lib/libusb_stm32
url = https://github.com/flipperdevices/libusb_stm32.git

132
applications/debug/unit_tests/rpc/rpc_test.c
View file

@ -13,7 +13,7 @@
#include <pb.h>
#include <pb_encode.h>
#include <m-list.h>
#include <lib/toolbox/md5.h>
#include <lib/toolbox/md5_calc.h>
#include <lib/toolbox/path.h>
#include <cli/cli.h>
#include <loader/loader.h>
@ -287,7 +287,8 @@ static void test_rpc_create_simple_message(
PB_Main* message,
uint16_t tag,
const char* str,
uint32_t command_id) {
uint32_t command_id,
bool flag) {
furi_check(message);
char* str_copy = NULL;
@ -308,6 +309,7 @@ static void test_rpc_create_simple_message(
break;
case PB_Main_storage_list_request_tag:
message->content.storage_list_request.path = str_copy;
message->content.storage_list_request.include_md5 = flag;
break;
case PB_Main_storage_mkdir_request_tag:
message->content.storage_mkdir_request.path = str_copy;
@ -419,6 +421,7 @@ static void
}
mu_check(result_msg_file->size == expected_msg_file->size);
mu_check(result_msg_file->type == expected_msg_file->type);
mu_assert_string_eq(expected_msg_file->md5sum, result_msg_file->md5sum);
if(result_msg_file->data && result_msg_file->type != PB_Storage_File_FileType_DIR) {
mu_check(!result_msg_file->data == !expected_msg_file->data); // Zlo: WTF???
@ -430,10 +433,10 @@ static void
}
static void test_rpc_compare_messages(PB_Main* result, PB_Main* expected) {
mu_check(result->command_id == expected->command_id);
mu_check(result->command_status == expected->command_status);
mu_check(result->has_next == expected->has_next);
mu_check(result->which_content == expected->which_content);
mu_assert_int_eq(expected->command_id, result->command_id);
mu_assert_int_eq(expected->command_status, result->command_status);
mu_assert_int_eq(expected->has_next, result->has_next);
mu_assert_int_eq(expected->which_content, result->which_content);
if(result->command_status != PB_CommandStatus_OK) {
mu_check(result->which_content == PB_Main_empty_tag);
}
@ -573,10 +576,15 @@ static void
static void test_rpc_storage_list_create_expected_list(
MsgList_t msg_list,
const char* path,
uint32_t command_id) {
uint32_t command_id,
bool append_md5) {
Storage* fs_api = furi_record_open(RECORD_STORAGE);
File* dir = storage_file_alloc(fs_api);
FuriString* md5 = furi_string_alloc();
FuriString* md5_path = furi_string_alloc();
File* file = storage_file_alloc(fs_api);
PB_Main response = {
.command_id = command_id,
.has_next = false,
@ -614,6 +622,17 @@ static void test_rpc_storage_list_create_expected_list(
list->file[i].data = NULL;
/* memory free inside rpc_encode_and_send() -> pb_release() */
list->file[i].name = name;
if(append_md5 && !file_info_is_dir(&fileinfo)) {
furi_string_printf(md5_path, "%s/%s", path, name);
if(md5_string_calc_file(file, furi_string_get_cstr(md5_path), md5, NULL)) {
char* md5sum = list->file[i].md5sum;
size_t md5sum_size = sizeof(list->file[i].md5sum);
snprintf(md5sum, md5sum_size, "%s", furi_string_get_cstr(md5));
}
}
++i;
}
} else {
@ -626,6 +645,10 @@ static void test_rpc_storage_list_create_expected_list(
response.has_next = false;
MsgList_push_back(msg_list, response);
furi_string_free(md5);
furi_string_free(md5_path);
storage_file_free(file);
storage_dir_close(dir);
storage_file_free(dir);
@ -675,16 +698,17 @@ static void test_rpc_free_msg_list(MsgList_t msg_list) {
MsgList_clear(msg_list);
}
static void test_rpc_storage_list_run(const char* path, uint32_t command_id) {
static void test_rpc_storage_list_run(const char* path, uint32_t command_id, bool md5) {
PB_Main request;
MsgList_t expected_msg_list;
MsgList_init(expected_msg_list);
test_rpc_create_simple_message(&request, PB_Main_storage_list_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_list_request_tag, path, command_id, md5);
if(!strcmp(path, "/")) {
test_rpc_storage_list_create_expected_list_root(expected_msg_list, command_id);
} else {
test_rpc_storage_list_create_expected_list(expected_msg_list, path, command_id);
test_rpc_storage_list_create_expected_list(expected_msg_list, path, command_id, md5);
}
test_rpc_encode_and_feed_one(&request, 0);
test_rpc_decode_and_compare(expected_msg_list, 0);
@ -694,15 +718,25 @@ static void test_rpc_storage_list_run(const char* path, uint32_t command_id) {
}
MU_TEST(test_storage_list) {
test_rpc_storage_list_run("/", ++command_id);
test_rpc_storage_list_run(EXT_PATH("nfc"), ++command_id);
test_rpc_storage_list_run("/", ++command_id, false);
test_rpc_storage_list_run(EXT_PATH("nfc"), ++command_id, false);
test_rpc_storage_list_run(STORAGE_INT_PATH_PREFIX, ++command_id, false);
test_rpc_storage_list_run(STORAGE_EXT_PATH_PREFIX, ++command_id, false);
test_rpc_storage_list_run(EXT_PATH("infrared"), ++command_id, false);
test_rpc_storage_list_run(EXT_PATH("ibutton"), ++command_id, false);
test_rpc_storage_list_run(EXT_PATH("lfrfid"), ++command_id, false);
test_rpc_storage_list_run("error_path", ++command_id, false);
}
test_rpc_storage_list_run(STORAGE_INT_PATH_PREFIX, ++command_id);
test_rpc_storage_list_run(STORAGE_EXT_PATH_PREFIX, ++command_id);
test_rpc_storage_list_run(EXT_PATH("infrared"), ++command_id);
test_rpc_storage_list_run(EXT_PATH("ibutton"), ++command_id);
test_rpc_storage_list_run(EXT_PATH("lfrfid"), ++command_id);
test_rpc_storage_list_run("error_path", ++command_id);
MU_TEST(test_storage_list_md5) {
test_rpc_storage_list_run("/", ++command_id, true);
test_rpc_storage_list_run(EXT_PATH("nfc"), ++command_id, true);
test_rpc_storage_list_run(STORAGE_INT_PATH_PREFIX, ++command_id, true);
test_rpc_storage_list_run(STORAGE_EXT_PATH_PREFIX, ++command_id, true);
test_rpc_storage_list_run(EXT_PATH("infrared"), ++command_id, true);
test_rpc_storage_list_run(EXT_PATH("ibutton"), ++command_id, true);
test_rpc_storage_list_run(EXT_PATH("lfrfid"), ++command_id, true);
test_rpc_storage_list_run("error_path", ++command_id, true);
}
static void
@ -770,7 +804,8 @@ static void test_storage_read_run(const char* path, uint32_t command_id) {
MsgList_init(expected_msg_list);
test_rpc_add_read_to_list_by_reading_real_file(expected_msg_list, path, command_id);
test_rpc_create_simple_message(&request, PB_Main_storage_read_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_read_request_tag, path, command_id, false);
test_rpc_encode_and_feed_one(&request, 0);
test_rpc_decode_and_compare(expected_msg_list, 0);
@ -824,7 +859,8 @@ static void test_rpc_storage_info_run(const char* path, uint32_t command_id) {
MsgList_t expected_msg_list;
MsgList_init(expected_msg_list);
test_rpc_create_simple_message(&request, PB_Main_storage_info_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_info_request_tag, path, command_id, false);
PB_Main* response = MsgList_push_new(expected_msg_list);
response->command_id = command_id;
@ -856,7 +892,8 @@ static void test_rpc_storage_stat_run(const char* path, uint32_t command_id) {
MsgList_t expected_msg_list;
MsgList_init(expected_msg_list);
test_rpc_create_simple_message(&request, PB_Main_storage_stat_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_stat_request_tag, path, command_id, false);
Storage* fs_api = furi_record_open(RECORD_STORAGE);
FileInfo fileinfo;
@ -968,7 +1005,11 @@ static void test_storage_write_read_run(
test_rpc_add_empty_to_list(expected_msg_list, PB_CommandStatus_OK, *command_id);
test_rpc_create_simple_message(
MsgList_push_raw(input_msg_list), PB_Main_storage_read_request_tag, path, ++*command_id);
MsgList_push_raw(input_msg_list),
PB_Main_storage_read_request_tag,
path,
++*command_id,
false);
test_rpc_add_read_or_write_to_list(
expected_msg_list,
READ_RESPONSE,
@ -1041,7 +1082,8 @@ MU_TEST(test_storage_interrupt_continuous_same_system) {
MsgList_push_new(input_msg_list),
PB_Main_storage_mkdir_request_tag,
TEST_DIR "dir1",
command_id + 1);
command_id + 1,
false);
test_rpc_add_read_or_write_to_list(
input_msg_list,
WRITE_REQUEST,
@ -1121,7 +1163,8 @@ static void test_storage_delete_run(
MsgList_t expected_msg_list;
MsgList_init(expected_msg_list);
test_rpc_create_simple_message(&request, PB_Main_storage_delete_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_delete_request_tag, path, command_id, false);
request.content.storage_delete_request.recursive = recursive;
test_rpc_add_empty_to_list(expected_msg_list, status, command_id);
@ -1202,7 +1245,8 @@ static void test_storage_mkdir_run(const char* path, size_t command_id, PB_Comma
MsgList_t expected_msg_list;
MsgList_init(expected_msg_list);
test_rpc_create_simple_message(&request, PB_Main_storage_mkdir_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_mkdir_request_tag, path, command_id, false);
test_rpc_add_empty_to_list(expected_msg_list, status, command_id);
test_rpc_encode_and_feed_one(&request, 0);
@ -1229,33 +1273,15 @@ MU_TEST(test_storage_mkdir) {
static void test_storage_calculate_md5sum(const char* path, char* md5sum, size_t md5sum_size) {
Storage* api = furi_record_open(RECORD_STORAGE);
File* file = storage_file_alloc(api);
FuriString* md5 = furi_string_alloc();
if(storage_file_open(file, path, FSAM_READ, FSOM_OPEN_EXISTING)) {
const uint16_t once_read_size = 512;
const uint8_t hash_size = MD5SUM_SIZE;
uint8_t* data = malloc(once_read_size);
uint8_t* hash = malloc(sizeof(uint8_t) * hash_size);
md5_context* md5_ctx = malloc(sizeof(md5_context));
md5_starts(md5_ctx);
while(true) {
uint16_t read_size = storage_file_read(file, data, once_read_size);
if(read_size == 0) break;
md5_update(md5_ctx, data, read_size);
}
md5_finish(md5_ctx, hash);
free(md5_ctx);
for(uint8_t i = 0; i < hash_size; i++) {
md5sum += snprintf(md5sum, md5sum_size, "%02x", hash[i]);
}
free(hash);
free(data);
if(md5_string_calc_file(file, path, md5, NULL)) {
snprintf(md5sum, md5sum_size, "%s", furi_string_get_cstr(md5));
} else {
furi_check(0);
}
furi_string_free(md5);
storage_file_close(file);
storage_file_free(file);
@ -1271,11 +1297,12 @@ static void test_storage_md5sum_run(
MsgList_t expected_msg_list;
MsgList_init(expected_msg_list);
test_rpc_create_simple_message(&request, PB_Main_storage_md5sum_request_tag, path, command_id);
test_rpc_create_simple_message(
&request, PB_Main_storage_md5sum_request_tag, path, command_id, false);
if(status == PB_CommandStatus_OK) {
PB_Main* response = MsgList_push_new(expected_msg_list);
test_rpc_create_simple_message(
response, PB_Main_storage_md5sum_response_tag, md5sum, command_id);
response, PB_Main_storage_md5sum_response_tag, md5sum, command_id, false);
response->command_status = status;
} else {
test_rpc_add_empty_to_list(expected_msg_list, status, command_id);
@ -1433,6 +1460,7 @@ MU_TEST_SUITE(test_rpc_storage) {
MU_RUN_TEST(test_storage_info);
MU_RUN_TEST(test_storage_stat);
MU_RUN_TEST(test_storage_list);
MU_RUN_TEST(test_storage_list_md5);
MU_RUN_TEST(test_storage_read);
MU_RUN_TEST(test_storage_write_read);
MU_RUN_TEST(test_storage_write);
@ -1731,7 +1759,8 @@ MU_TEST(test_rpc_multisession_storage) {
MsgList_push_raw(input_0),
PB_Main_storage_read_request_tag,
TEST_DIR "file0.txt",
++command_id);
++command_id,
false);
test_rpc_add_read_or_write_to_list(
expected_0, READ_RESPONSE, TEST_DIR "file0.txt", pattern, sizeof(pattern), 1, command_id);
@ -1739,7 +1768,8 @@ MU_TEST(test_rpc_multisession_storage) {
MsgList_push_raw(input_1),
PB_Main_storage_read_request_tag,
TEST_DIR "file1.txt",
++command_id);
++command_id,
false);
test_rpc_add_read_or_write_to_list(
expected_1, READ_RESPONSE, TEST_DIR "file1.txt", pattern, sizeof(pattern), 1, command_id);

48
applications/debug/unit_tests/storage/storage_test.c
View file

@ -582,6 +582,49 @@ MU_TEST(test_storage_common_migrate) {
furi_record_close(RECORD_STORAGE);
}
#define MD5_HASH_SIZE (16)
#include <lib/toolbox/md5_calc.h>
MU_TEST(test_md5_calc) {
Storage* storage = furi_record_open(RECORD_STORAGE);
File* file = storage_file_alloc(storage);
const char* path = UNIT_TESTS_PATH("storage/md5.txt");
const char* md5_cstr = "2a456fa43e75088fdde41c93159d62a2";
const uint8_t md5[MD5_HASH_SIZE] = {
0x2a,
0x45,
0x6f,
0xa4,
0x3e,
0x75,
0x08,
0x8f,
0xdd,
0xe4,
0x1c,
0x93,
0x15,
0x9d,
0x62,
0xa2,
};
uint8_t md5_output[MD5_HASH_SIZE];
FuriString* md5_output_str = furi_string_alloc();
memset(md5_output, 0, MD5_HASH_SIZE);
mu_check(md5_calc_file(file, path, md5_output, NULL));
mu_check(md5_string_calc_file(file, path, md5_output_str, NULL));
mu_assert_mem_eq(md5, md5_output, MD5_HASH_SIZE);
mu_assert_string_eq(md5_cstr, furi_string_get_cstr(md5_output_str));
storage_file_free(file);
furi_string_free(md5_output_str);
furi_record_close(RECORD_STORAGE);
}
MU_TEST_SUITE(test_data_path) {
MU_RUN_TEST(test_storage_data_path);
MU_RUN_TEST(test_storage_data_path_apps);
@ -591,11 +634,16 @@ MU_TEST_SUITE(test_storage_common) {
MU_RUN_TEST(test_storage_common_migrate);
}
MU_TEST_SUITE(test_md5_calc_suite) {
MU_RUN_TEST(test_md5_calc);
}
int run_minunit_test_storage() {
MU_RUN_SUITE(storage_file);
MU_RUN_SUITE(storage_dir);
MU_RUN_SUITE(storage_rename);
MU_RUN_SUITE(test_data_path);
MU_RUN_SUITE(test_storage_common);
MU_RUN_SUITE(test_md5_calc_suite);
return MU_EXIT_CODE;
}

56
applications/services/rpc/rpc_storage.c
View file

@ -9,7 +9,7 @@
#include "storage/filesystem_api_defines.h"
#include "storage/storage.h"
#include <stdint.h>
#include <lib/toolbox/md5.h>
#include <lib/toolbox/md5_calc.h>
#include <lib/toolbox/path.h>
#include <update_util/lfs_backup.h>
@ -271,6 +271,11 @@ static void rpc_system_storage_list_process(const PB_Main* request, void* contex
};
PB_Storage_ListResponse* list = &response.content.storage_list_response;
bool include_md5 = request->content.storage_list_request.include_md5;
FuriString* md5 = furi_string_alloc();
FuriString* md5_path = furi_string_alloc();
File* file = storage_file_alloc(fs_api);
bool finish = false;
int i = 0;
@ -296,6 +301,21 @@ static void rpc_system_storage_list_process(const PB_Main* request, void* contex
list->file[i].size = fileinfo.size;
list->file[i].data = NULL;
list->file[i].name = name;
if(include_md5 && !file_info_is_dir(&fileinfo)) {
furi_string_printf( //-V576
md5_path,
"%s/%s",
request->content.storage_list_request.path,
name);
if(md5_string_calc_file(file, furi_string_get_cstr(md5_path), md5, NULL)) {
char* md5sum = list->file[i].md5sum;
size_t md5sum_size = sizeof(list->file[i].md5sum);
snprintf(md5sum, md5sum_size, "%s", furi_string_get_cstr(md5));
}
}
++i;
} else {
free(name);
@ -310,8 +330,11 @@ static void rpc_system_storage_list_process(const PB_Main* request, void* contex
response.has_next = false;
rpc_send_and_release(session, &response);
furi_string_free(md5);
furi_string_free(md5_path);
storage_dir_close(dir);
storage_file_free(dir);
storage_file_free(file);
furi_record_close(RECORD_STORAGE);
}
@ -569,23 +592,10 @@ static void rpc_system_storage_md5sum_process(const PB_Main* request, void* cont
Storage* fs_api = furi_record_open(RECORD_STORAGE);
File* file = storage_file_alloc(fs_api);
FuriString* md5 = furi_string_alloc();
FS_Error file_error;
if(storage_file_open(file, filename, FSAM_READ, FSOM_OPEN_EXISTING)) {
const uint16_t size_to_read = 512;
const uint8_t hash_size = 16;
uint8_t* data = malloc(size_to_read);
uint8_t* hash = malloc(sizeof(uint8_t) * hash_size);
md5_context* md5_ctx = malloc(sizeof(md5_context));
md5_starts(md5_ctx);
while(true) {
uint16_t read_size = storage_file_read(file, data, size_to_read);
if(read_size == 0) break;
md5_update(md5_ctx, data, read_size);
}
md5_finish(md5_ctx, hash);
free(md5_ctx);
if(md5_string_calc_file(file, filename, md5, &file_error)) {
PB_Main response = {
.command_id = request->command_id,
.command_status = PB_CommandStatus_OK,
@ -595,21 +605,15 @@ static void rpc_system_storage_md5sum_process(const PB_Main* request, void* cont
char* md5sum = response.content.storage_md5sum_response.md5sum;
size_t md5sum_size = sizeof(response.content.storage_md5sum_response.md5sum);
(void)md5sum_size;
furi_assert(hash_size <= ((md5sum_size - 1) / 2)); //-V547
for(uint8_t i = 0; i < hash_size; i++) {
md5sum += snprintf(md5sum, md5sum_size, "%02x", hash[i]);
}
snprintf(md5sum, md5sum_size, "%s", furi_string_get_cstr(md5));
free(hash);
free(data);
storage_file_close(file);
rpc_send_and_release(session, &response);
} else {
rpc_send_and_release_empty(
session, request->command_id, rpc_system_storage_get_file_error(file));
session, request->command_id, rpc_system_storage_get_error(file_error));
}
furi_string_free(md5);
storage_file_free(file);
furi_record_close(RECORD_STORAGE);

32
applications/services/storage/storage_cli.c
View file

@ -3,7 +3,7 @@
#include <cli/cli.h>
#include <lib/toolbox/args.h>
#include <lib/toolbox/md5.h>
#include <lib/toolbox/md5_calc.h>
#include <lib/toolbox/dir_walk.h>
#include <storage/storage.h>
#include <storage/storage_sd_api.h>
@ -482,34 +482,16 @@ static void storage_cli_md5(Cli* cli, FuriString* path) {
UNUSED(cli);
Storage* api = furi_record_open(RECORD_STORAGE);
File* file = storage_file_alloc(api);
FuriString* md5 = furi_string_alloc();
FS_Error file_error;
if(storage_file_open(file, furi_string_get_cstr(path), FSAM_READ, FSOM_OPEN_EXISTING)) {
const uint16_t buffer_size = 512;
const uint8_t hash_size = 16;
uint8_t* data = malloc(buffer_size);
uint8_t* hash = malloc(sizeof(uint8_t) * hash_size);
md5_context* md5_ctx = malloc(sizeof(md5_context));
md5_starts(md5_ctx);
while(true) {
uint16_t read_size = storage_file_read(file, data, buffer_size);
if(read_size == 0) break;
md5_update(md5_ctx, data, read_size);
}
md5_finish(md5_ctx, hash);
free(md5_ctx);
for(uint8_t i = 0; i < hash_size; i++) {
printf("%02x", hash[i]);
}
printf("\r\n");
free(hash);
free(data);
if(md5_string_calc_file(file, furi_string_get_cstr(path), md5, &file_error)) {
printf("%s\r\n", furi_string_get_cstr(md5));
} else {
storage_cli_print_error(storage_file_get_error(file));
storage_cli_print_error(file_error);
}
furi_string_free(md5);
storage_file_close(file);
storage_file_free(file);

2
assets/protobuf

@ -1 +1 @@
Subproject commit 08a907d95733600becc41c0602ef5ee4c4baf782
Subproject commit 7e011a95863716e72e7c6b5d552bca241d688304

1
assets/unit_tests/storage/md5.txt Normal file
View file

@ -0,0 +1 @@
Yo dawg, I heard you like md5...

2
fbt
View file

@ -29,7 +29,7 @@ if [ -z "$FBT_NO_SYNC" ]; then
echo "\".git\" directory not found, please clone repo via \"git clone\"";
exit 1;
fi
git submodule update --init --depth 1 --jobs "$N_GIT_THREADS";
git submodule update --init --jobs "$N_GIT_THREADS";
fi
$SCONS_EP $SCONS_DEFAULT_FLAGS "$@"

4
furi/core/thread.c
View file

@ -92,10 +92,10 @@ static void furi_thread_body(void* context) {
if(thread->heap_trace_enabled == true) {
furi_delay_ms(33);
thread->heap_size = memmgr_heap_get_thread_memory((FuriThreadId)task_handle);
furi_log_print_format( //-V576
furi_log_print_format(
thread->heap_size ? FuriLogLevelError : FuriLogLevelInfo,
TAG,
"%s allocation balance: %u",
"%s allocation balance: %zu",
thread->name ? thread->name : "Thread",
thread->heap_size);
memmgr_heap_disable_thread_trace((FuriThreadId)task_handle);

2
lib/flipper_application/elf/elf_file.c
View file

@ -892,7 +892,7 @@ ELFFileLoadStatus elf_file_load_sections(ELFFile* elf) {
ELFSectionDict_itref_t* itref = ELFSectionDict_ref(it);
total_size += itref->value.size;
}
FURI_LOG_I(TAG, "Total size of loaded sections: %u", total_size); //-V576
FURI_LOG_I(TAG, "Total size of loaded sections: %zu", total_size);
}
return status;

44
lib/toolbox/md5_calc.c Normal file
View file

@ -0,0 +1,44 @@
#include "md5.h"
#include "md5_calc.h"
bool md5_calc_file(File* file, const char* path, unsigned char output[16], FS_Error* file_error) {
bool result = storage_file_open(file, path, FSAM_READ, FSOM_OPEN_EXISTING);
if(result) {
const uint16_t size_to_read = 512;
uint8_t* data = malloc(size_to_read);
md5_context* md5_ctx = malloc(sizeof(md5_context));
md5_starts(md5_ctx);
while(true) {
uint16_t read_size = storage_file_read(file, data, size_to_read);
if(read_size == 0) break;
md5_update(md5_ctx, data, read_size);
}
md5_finish(md5_ctx, output);
free(md5_ctx);
free(data);
}
if(file_error != NULL) {
*file_error = storage_file_get_error(file);
}
storage_file_close(file);
return result;
}
bool md5_string_calc_file(File* file, const char* path, FuriString* output, FS_Error* file_error) {
const size_t hash_size = 16;
unsigned char hash[hash_size];
bool result = md5_calc_file(file, path, hash, file_error);
if(result) {
furi_string_set(output, "");
for(size_t i = 0; i < hash_size; i++) {
furi_string_cat_printf(output, "%02x", hash[i]);
}
}
return result;
}

16
lib/toolbox/md5_calc.h Normal file
View file

@ -0,0 +1,16 @@
#pragma once
#include <stdint.h>
#include <storage/storage.h>
#ifdef __cplusplus
extern "C" {
#endif
bool md5_calc_file(File* file, const char* path, unsigned char output[16], FS_Error* file_error);
bool md5_string_calc_file(File* file, const char* path, FuriString* output, FS_Error* file_error);
#ifdef __cplusplus
}
#endif