mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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d92b0a82cc
"A long time ago in a galaxy far, far away...." we started NFC subsystem refactoring. Starring: - @gornekich - NFC refactoring project lead, architect, senior developer - @gsurkov - architect, senior developer - @RebornedBrain - senior developer Supporting roles: - @skotopes, @DrZlo13, @hedger - general architecture advisors, code review - @Astrrra, @doomwastaken, @Hellitron, @ImagineVagon333 - quality assurance Special thanks: @bettse, @pcunning, @nxv, @noproto, @AloneLiberty and everyone else who has been helping us all this time and contributing valuable knowledges, ideas and source code.
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
#include "mf_user_dict.h"
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#include <nfc/helpers/nfc_dict.h>
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#include <nfc/protocols/mf_classic/mf_classic.h>
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#include <furi/furi.h>
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#define NFC_APP_FOLDER ANY_PATH("nfc")
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#define NFC_APP_MF_CLASSIC_DICT_USER_PATH (NFC_APP_FOLDER "/assets/mf_classic_dict_user.nfc")
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struct MfUserDict {
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size_t keys_num;
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MfClassicKey* keys_arr;
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};
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MfUserDict* mf_user_dict_alloc(size_t max_keys_to_load) {
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MfUserDict* instance = malloc(sizeof(MfUserDict));
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NfcDict* dict = nfc_dict_alloc(
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NFC_APP_MF_CLASSIC_DICT_USER_PATH, NfcDictModeOpenAlways, sizeof(MfClassicKey));
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furi_assert(dict);
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size_t dict_keys_num = nfc_dict_get_total_keys(dict);
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instance->keys_num = MIN(max_keys_to_load, dict_keys_num);
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if(instance->keys_num > 0) {
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instance->keys_arr = malloc(instance->keys_num * sizeof(MfClassicKey));
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for(size_t i = 0; i < instance->keys_num; i++) {
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bool key_loaded =
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nfc_dict_get_next_key(dict, instance->keys_arr[i].data, sizeof(MfClassicKey));
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furi_assert(key_loaded);
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}
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}
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nfc_dict_free(dict);
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return instance;
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}
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void mf_user_dict_free(MfUserDict* instance) {
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furi_assert(instance);
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if(instance->keys_num > 0) {
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free(instance->keys_arr);
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}
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free(instance);
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}
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size_t mf_user_dict_get_keys_cnt(MfUserDict* instance) {
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furi_assert(instance);
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return instance->keys_num;
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}
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void mf_user_dict_get_key_str(MfUserDict* instance, uint32_t index, FuriString* str) {
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furi_assert(instance);
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furi_assert(str);
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furi_assert(index < instance->keys_num);
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furi_assert(instance->keys_arr);
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furi_string_reset(str);
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for(size_t i = 0; i < sizeof(MfClassicKey); i++) {
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furi_string_cat_printf(str, "%02X", instance->keys_arr[index].data[i]);
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}
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}
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bool mf_user_dict_delete_key(MfUserDict* instance, uint32_t index) {
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furi_assert(instance);
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furi_assert(index < instance->keys_num);
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furi_assert(instance->keys_arr);
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NfcDict* dict = nfc_dict_alloc(
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NFC_APP_MF_CLASSIC_DICT_USER_PATH, NfcDictModeOpenAlways, sizeof(MfClassicKey));
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furi_assert(dict);
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bool key_delete_success =
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nfc_dict_delete_key(dict, instance->keys_arr[index].data, sizeof(MfClassicKey));
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nfc_dict_free(dict);
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if(key_delete_success) {
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instance->keys_num--;
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}
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return key_delete_success;
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}
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