Merge branch 'dev' into 420

lib/nfc/helpers/mf_classic_dict.c

@@ -86,38 +86,30 @@ void mf_classic_dict_free(MfClassicDict* dict) {
     free(dict);
 }
 
+static void mf_classic_dict_int_to_str(uint8_t* key_int, string_t key_str) {
+    string_reset(key_str);
+    for(size_t i = 0; i < 6; i++) {
+        string_cat_printf(key_str, "%02X", key_int[i]);
+    }
+}
+
+static void mf_classic_dict_str_to_int(string_t key_str, uint64_t* key_int) {
+    uint8_t key_byte_tmp;
+
+    *key_int = 0ULL;
+    for(uint8_t i = 0; i < 12; i += 2) {
+        args_char_to_hex(
+            string_get_char(key_str, i), string_get_char(key_str, i + 1), &key_byte_tmp);
+        *key_int |= (uint8_t)key_byte_tmp << 8 * (5 - i / 2);
+    }
+}
+
 uint32_t mf_classic_dict_get_total_keys(MfClassicDict* dict) {
     furi_assert(dict);
 
     return dict->total_keys;
 }
 
-bool mf_classic_dict_get_next_key(MfClassicDict* dict, uint64_t* key) {
-    furi_assert(dict);
-    furi_assert(dict->stream);
-
-    uint8_t key_byte_tmp = 0;
-    string_t next_line;
-    string_init(next_line);
-
-    bool key_read = false;
-    *key = 0ULL;
-    while(!key_read) {
-        if(!stream_read_line(dict->stream, next_line)) break;
-        if(string_get_char(next_line, 0) == '#') continue;
-        if(string_size(next_line) != NFC_MF_CLASSIC_KEY_LEN) continue;
-        for(uint8_t i = 0; i < 12; i += 2) {
-            args_char_to_hex(
-                string_get_char(next_line, i), string_get_char(next_line, i + 1), &key_byte_tmp);
-            *key |= (uint64_t)key_byte_tmp << 8 * (5 - i / 2);
-        }
-        key_read = true;
-    }
-
-    string_clear(next_line);
-    return key_read;
-}
-
 bool mf_classic_dict_rewind(MfClassicDict* dict) {
     furi_assert(dict);
     furi_assert(dict->stream);
@@ -125,24 +117,194 @@ bool mf_classic_dict_rewind(MfClassicDict* dict) {
     return stream_rewind(dict->stream);
 }
 
-bool mf_classic_dict_add_key(MfClassicDict* dict, uint8_t* key) {
+bool mf_classic_dict_get_next_key_str(MfClassicDict* dict, string_t key) {
     furi_assert(dict);
     furi_assert(dict->stream);
 
-    string_t key_str;
-    string_init(key_str);
-    for(size_t i = 0; i < 6; i++) {
-        string_cat_printf(key_str, "%02X", key[i]);
+    bool key_read = false;
+    string_reset(key);
+    while(!key_read) {
+        if(!stream_read_line(dict->stream, key)) break;
+        if(string_get_char(key, 0) == '#') continue;
+        if(string_size(key) != NFC_MF_CLASSIC_KEY_LEN) continue;
+        string_left(key, 12);
+        key_read = true;
     }
-    string_cat_printf(key_str, "\n");
+
+    return key_read;
+}
+
+bool mf_classic_dict_get_next_key(MfClassicDict* dict, uint64_t* key) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t temp_key;
+    string_init(temp_key);
+    bool key_read = mf_classic_dict_get_next_key_str(dict, temp_key);
+    if(key_read) {
+        mf_classic_dict_str_to_int(temp_key, key);
+    }
+    string_clear(temp_key);
+    return key_read;
+}
+
+bool mf_classic_dict_is_key_present_str(MfClassicDict* dict, string_t key) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t next_line;
+    string_init(next_line);
+
+    bool key_found = false;
+    stream_rewind(dict->stream);
+    while(!key_found) {
+        if(!stream_read_line(dict->stream, next_line)) break;
+        if(string_get_char(next_line, 0) == '#') continue;
+        if(string_size(next_line) != NFC_MF_CLASSIC_KEY_LEN) continue;
+        string_left(next_line, 12);
+        if(!string_equal_p(key, next_line)) continue;
+        key_found = true;
+    }
+
+    string_clear(next_line);
+    return key_found;
+}
+
+bool mf_classic_dict_is_key_present(MfClassicDict* dict, uint8_t* key) {
+    string_t temp_key;
+
+    string_init(temp_key);
+    mf_classic_dict_int_to_str(key, temp_key);
+    bool key_found = mf_classic_dict_is_key_present_str(dict, temp_key);
+    string_clear(temp_key);
+    return key_found;
+}
+
+bool mf_classic_dict_add_key_str(MfClassicDict* dict, string_t key) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_cat_printf(key, "\n");
 
     bool key_added = false;
     do {
         if(!stream_seek(dict->stream, 0, StreamOffsetFromEnd)) break;
-        if(!stream_insert_string(dict->stream, key_str)) break;
+        if(!stream_insert_string(dict->stream, key)) break;
+        dict->total_keys++;
         key_added = true;
     } while(false);
 
-    string_clear(key_str);
+    string_left(key, 12);
     return key_added;
 }
+
+bool mf_classic_dict_add_key(MfClassicDict* dict, uint8_t* key) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t temp_key;
+    string_init(temp_key);
+    mf_classic_dict_int_to_str(key, temp_key);
+    bool key_added = mf_classic_dict_add_key_str(dict, temp_key);
+
+    string_clear(temp_key);
+    return key_added;
+}
+
+bool mf_classic_dict_get_key_at_index_str(MfClassicDict* dict, string_t key, uint32_t target) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t next_line;
+    uint32_t index = 0;
+    string_init(next_line);
+    string_reset(key);
+
+    bool key_found = false;
+    while(!key_found) {
+        if(!stream_read_line(dict->stream, next_line)) break;
+        if(string_get_char(next_line, 0) == '#') continue;
+        if(string_size(next_line) != NFC_MF_CLASSIC_KEY_LEN) continue;
+        if(index++ != target) continue;
+        string_set_n(key, next_line, 0, 12);
+        key_found = true;
+    }
+
+    string_clear(next_line);
+    return key_found;
+}
+
+bool mf_classic_dict_get_key_at_index(MfClassicDict* dict, uint64_t* key, uint32_t target) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t temp_key;
+    string_init(temp_key);
+    bool key_found = mf_classic_dict_get_key_at_index_str(dict, temp_key, target);
+    if(key_found) {
+        mf_classic_dict_str_to_int(temp_key, key);
+    }
+    string_clear(temp_key);
+    return key_found;
+}
+
+bool mf_classic_dict_find_index_str(MfClassicDict* dict, string_t key, uint32_t* target) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t next_line;
+    string_init(next_line);
+
+    bool key_found = false;
+    uint32_t index = 0;
+    stream_rewind(dict->stream);
+    while(!key_found) {
+        if(!stream_read_line(dict->stream, next_line)) break;
+        if(string_get_char(next_line, 0) == '#') continue;
+        if(string_size(next_line) != NFC_MF_CLASSIC_KEY_LEN) continue;
+        string_left(next_line, 12);
+        if(!string_equal_p(key, next_line)) continue;
+        key_found = true;
+        *target = index;
+    }
+
+    string_clear(next_line);
+    return key_found;
+}
+
+bool mf_classic_dict_find_index(MfClassicDict* dict, uint8_t* key, uint32_t* target) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t temp_key;
+    string_init(temp_key);
+    mf_classic_dict_int_to_str(key, temp_key);
+    bool key_found = mf_classic_dict_find_index_str(dict, temp_key, target);
+
+    string_clear(temp_key);
+    return key_found;
+}
+
+bool mf_classic_dict_delete_index(MfClassicDict* dict, uint32_t target) {
+    furi_assert(dict);
+    furi_assert(dict->stream);
+
+    string_t next_line;
+    string_init(next_line);
+    uint32_t index = 0;
+
+    bool key_removed = false;
+    while(!key_removed) {
+        if(!stream_read_line(dict->stream, next_line)) break;
+        if(string_get_char(next_line, 0) == '#') continue;
+        if(string_size(next_line) != NFC_MF_CLASSIC_KEY_LEN) continue;
+        if(index++ != target) continue;
+        stream_seek(dict->stream, -NFC_MF_CLASSIC_KEY_LEN, StreamOffsetFromCurrent);
+        if(!stream_delete(dict->stream, NFC_MF_CLASSIC_KEY_LEN)) break;
+        dict->total_keys--;
+        key_removed = true;
+    }
+
+    string_clear(next_line);
+    return key_removed;
+}

lib/nfc/helpers/mf_classic_dict.h

@@ -21,8 +21,26 @@ void mf_classic_dict_free(MfClassicDict* dict);
 
 uint32_t mf_classic_dict_get_total_keys(MfClassicDict* dict);
 
-bool mf_classic_dict_get_next_key(MfClassicDict* dict, uint64_t* key);
-
 bool mf_classic_dict_rewind(MfClassicDict* dict);
 
+bool mf_classic_dict_is_key_present(MfClassicDict* dict, uint8_t* key);
+
+bool mf_classic_dict_is_key_present_str(MfClassicDict* dict, string_t key);
+
+bool mf_classic_dict_get_next_key(MfClassicDict* dict, uint64_t* key);
+
+bool mf_classic_dict_get_next_key_str(MfClassicDict* dict, string_t key);
+
+bool mf_classic_dict_get_key_at_index(MfClassicDict* dict, uint64_t* key, uint32_t target);
+
+bool mf_classic_dict_get_key_at_index_str(MfClassicDict* dict, string_t key, uint32_t target);
+
 bool mf_classic_dict_add_key(MfClassicDict* dict, uint8_t* key);
+
+bool mf_classic_dict_add_key_str(MfClassicDict* dict, string_t key);
+
+bool mf_classic_dict_find_index(MfClassicDict* dict, uint8_t* key, uint32_t* target);
+
+bool mf_classic_dict_find_index_str(MfClassicDict* dict, string_t key, uint32_t* target);
+
+bool mf_classic_dict_delete_index(MfClassicDict* dict, uint32_t target);

lib/nfc/parsers/troyka_parser.c

@@ -1,79 +0,0 @@
-#include "nfc_supported_card.h"
-
-#include <gui/modules/widget.h>
-#include <nfc_worker_i.h>
-
-static const MfClassicAuthContext troyka_keys[] = {
-    {.sector = 0, .key_a = 0xa0a1a2a3a4a5, .key_b = 0xfbf225dc5d58},
-    {.sector = 1, .key_a = 0xa82607b01c0d, .key_b = 0x2910989b6880},
-    {.sector = 2, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
-    {.sector = 3, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
-    {.sector = 4, .key_a = 0x73068f118c13, .key_b = 0x2b7f3253fac5},
-    {.sector = 5, .key_a = 0xfbc2793d540b, .key_b = 0xd3a297dc2698},
-    {.sector = 6, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
-    {.sector = 7, .key_a = 0xae3d65a3dad4, .key_b = 0x0f1c63013dba},
-    {.sector = 8, .key_a = 0xa73f5dc1d333, .key_b = 0xe35173494a81},
-    {.sector = 9, .key_a = 0x69a32f1c2f19, .key_b = 0x6b8bd9860763},
-    {.sector = 10, .key_a = 0x9becdf3d9273, .key_b = 0xf8493407799d},
-    {.sector = 11, .key_a = 0x08b386463229, .key_b = 0x5efbaecef46b},
-    {.sector = 12, .key_a = 0xcd4c61c26e3d, .key_b = 0x31c7610de3b0},
-    {.sector = 13, .key_a = 0xa82607b01c0d, .key_b = 0x2910989b6880},
-    {.sector = 14, .key_a = 0x0e8f64340ba4, .key_b = 0x4acec1205d75},
-    {.sector = 15, .key_a = 0x2aa05ed1856f, .key_b = 0xeaac88e5dc99},
-};
-
-bool troyka_parser_verify(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
-    furi_assert(nfc_worker);
-    UNUSED(nfc_worker);
-
-    MfClassicAuthContext auth_ctx = {
-        .key_a = MF_CLASSIC_NO_KEY,
-        .key_b = MF_CLASSIC_NO_KEY,
-        .sector = 8,
-    };
-    return mf_classic_auth_attempt(tx_rx, &auth_ctx, 0xa73f5dc1d333);
-}
-
-bool troyka_parser_read(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
-    furi_assert(nfc_worker);
-
-    MfClassicReader reader = {};
-    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
-    reader.type = mf_classic_get_classic_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak);
-
-    for(size_t i = 0; i < COUNT_OF(troyka_keys); i++) {
-        mf_classic_reader_add_sector(
-            &reader, troyka_keys[i].sector, troyka_keys[i].key_a, troyka_keys[i].key_b);
-    }
-
-    return mf_classic_read_card(tx_rx, &reader, &nfc_worker->dev_data->mf_classic_data) == 16;
-}
-
-bool troyka_parser_parse(NfcDeviceData* dev_data) {
-    MfClassicData* data = &dev_data->mf_classic_data;
-    bool troyka_parsed = false;
-
-    do {
-        // Verify key
-        MfClassicSectorTrailer* sec_tr = mf_classic_get_sector_trailer_by_sector(data, 8);
-        uint64_t key = nfc_util_bytes2num(sec_tr->key_a, 6);
-        if(key != troyka_keys[8].key_a) break;
-
-        // Parse data
-        uint8_t* temp_ptr = &data->block[8 * 4 + 1].value[5];
-        uint16_t balance = ((temp_ptr[0] << 8) | temp_ptr[1]) / 25;
-        temp_ptr = &data->block[8 * 4].value[3];
-        uint32_t number = 0;
-        for(size_t i = 0; i < 4; i++) {
-            number <<= 8;
-            number |= temp_ptr[i];
-        }
-        number >>= 4;
-
-        string_printf(
-            dev_data->parsed_data, "\e#Troyka\nNum: %ld\nBalance: %d rur.", number, balance);
-        troyka_parsed = true;
-    } while(false);
-
-    return troyka_parsed;
-}

lib/nfc/parsers/troyka_parser.h

@@ -1,9 +0,0 @@
-#pragma once
-
-#include "nfc_supported_card.h"
-
-bool troyka_parser_verify(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx);
-
-bool troyka_parser_read(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx);
-
-bool troyka_parser_parse(NfcDeviceData* dev_data);