flipperzero-firmware/lib/subghz/subghz_keystore.c

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#include "subghz_keystore.h"
#include <furi.h>
#include <filesystem-api.h>
#define FILE_BUFFER_SIZE 64
struct SubGhzKeystore {
SubGhzKeyArray_t data;
};
SubGhzKeystore* subghz_keystore_alloc() {
SubGhzKeystore* instance = furi_alloc(sizeof(SubGhzKeystore));
SubGhzKeyArray_init(instance->data);
return instance;
}
void subghz_keystore_free(SubGhzKeystore* instance) {
furi_assert(instance);
for
M_EACH(manufacture_code, instance->data, SubGhzKeyArray_t) {
string_clear(manufacture_code->name);
manufacture_code->key = 0;
}
SubGhzKeyArray_clear(instance->data);
free(instance);
}
static void subghz_keystore_add_key(SubGhzKeystore* instance, const char* name, uint64_t key, uint16_t type) {
SubGhzKey* manufacture_code = SubGhzKeyArray_push_raw(instance->data);
string_init_set_str(manufacture_code->name, name);
manufacture_code->key = key;
manufacture_code->type = type;
}
static void subghz_keystore_process_line(SubGhzKeystore* instance, string_t line) {
uint64_t key = 0;
uint16_t type = 0;
char skey[17] = {0};
char name[65] = {0};
int ret = sscanf(string_get_cstr(line), "%16s:%hu:%64s", skey, &type, name);
key = strtoull(skey, NULL, 16);
if (ret == 3) {
subghz_keystore_add_key(instance, name, key, type);
} else {
printf("Failed to load line: %s\r\n", string_get_cstr(line));
}
}
void subghz_keystore_load(SubGhzKeystore* instance, const char* file_name) {
File manufacture_keys_file;
FS_Api* fs_api = furi_record_open("sdcard");
fs_api->file.open(&manufacture_keys_file, file_name, FSAM_READ, FSOM_OPEN_EXISTING);
string_t line;
string_init(line);
if(manufacture_keys_file.error_id == FSE_OK) {
printf("Loading manufacture keys file %s\r\n", file_name);
char buffer[FILE_BUFFER_SIZE];
uint16_t ret;
do {
ret = fs_api->file.read(&manufacture_keys_file, buffer, FILE_BUFFER_SIZE);
for (uint16_t i=0; i < ret; i++) {
if (buffer[i] == '\n' && string_size(line) > 0) {
subghz_keystore_process_line(instance, line);
string_clean(line);
} else {
string_push_back(line, buffer[i]);
}
}
} while(ret > 0);
} else {
printf("Manufacture keys file is not found: %s\r\n", file_name);
}
string_clear(line);
fs_api->file.close(&manufacture_keys_file);
furi_record_close("sdcard");
}
SubGhzKeyArray_t* subghz_keystore_get_data(SubGhzKeystore* instance) {
furi_assert(instance);
return &instance->data;
}