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[FL-1396] Mifare Classic read (#1034)

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* rfal: add new data exchange function
* core: add FURI_BIT to common defines
* furi_hal_nfc: add data exchange with custom patiry bits
* lib: extend nfc common API
* assets: add mf classic dictionary
* lib: introduce mifare classic library
* nfc: add dictionary reader helper
* nfc worker: add worker events, add mifare classic read
* nfc: rework scenes with worker events
* nfc: add read mifare classic GUI
* nfc device: add mifare classic save
* nfc: add dictionary open fail scene
* nfc: mention resources
* stream: fix stream read line
* subghz: rework file read with fixed stream_read_line
* furi_hal_nfc: decrease communication timeout
* nfc: rework keys load from dictionary with file_stream
* nfc: add read mifare classic suggestion
* nfc: fix mifare classic read view
* nfc: fix index size
* nfc: add switch to no dictionary found scene
* nfc: add mifare classic load
* nfc: improve read mifare classic design
* mifare_classic: add proxmark3 mention
* nfc: format sources
* nfc: fix typos, add documentation
This commit is contained in:
gornekich
2022-03-24 01:14:34 +03:00
committed by GitHub
parent 46a894bc5c
commit eafeefb843
46 changed files with 3113 additions and 111 deletions
Download Patch File Download Diff File Expand all files Collapse all files

189
applications/nfc/nfc_worker.c
View File

@@ -1,8 +1,13 @@
#include "nfc_worker_i.h"
#include <furi_hal.h>
#include "nfc_protocols/emv_decoder.h"
#include "nfc_protocols/mifare_desfire.h"
#include "nfc_protocols/mifare_ultralight.h"
#include <lib/nfc_protocols/nfc_util.h>
#include <lib/nfc_protocols/emv_decoder.h>
#include <lib/nfc_protocols/mifare_ultralight.h>
#include <lib/nfc_protocols/mifare_classic.h>
#include <lib/nfc_protocols/mifare_desfire.h>
#include "helpers/nfc_mf_classic_dict.h"
#define TAG "NfcWorker"
@@ -20,6 +25,7 @@ NfcWorker* nfc_worker_alloc() {
nfc_worker->callback = NULL;
nfc_worker->context = NULL;
nfc_worker->storage = furi_record_open("storage");
// Initialize rfal
while(furi_hal_nfc_is_busy()) {
@@ -33,6 +39,7 @@ NfcWorker* nfc_worker_alloc() {
void nfc_worker_free(NfcWorker* nfc_worker) {
furi_assert(nfc_worker);
furi_thread_free(nfc_worker->thread);
furi_record_close("storage");
free(nfc_worker);
}
@@ -95,6 +102,8 @@ int32_t nfc_worker_task(void* context) {
nfc_worker_read_mifare_ul(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateEmulateMifareUl) {
nfc_worker_emulate_mifare_ul(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateReadMifareClassic) {
nfc_worker_mifare_classic_dict_attack(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateReadMifareDesfire) {
nfc_worker_read_mifare_desfire(nfc_worker);
} else if(nfc_worker->state == NfcWorkerStateField) {
@@ -130,6 +139,11 @@ void nfc_worker_detect(NfcWorker* nfc_worker) {
dev->dev.nfca.sensRes.platformInfo,
dev->dev.nfca.selRes.sak)) {
result->protocol = NfcDeviceProtocolMifareUl;
} else if(mf_classic_check_card_type(
dev->dev.nfca.sensRes.anticollisionInfo,
dev->dev.nfca.sensRes.platformInfo,
dev->dev.nfca.selRes.sak)) {
result->protocol = NfcDeviceProtocolMifareClassic;
} else if(mf_df_check_card_type(
dev->dev.nfca.sensRes.anticollisionInfo,
dev->dev.nfca.sensRes.platformInfo,
@@ -149,7 +163,7 @@ void nfc_worker_detect(NfcWorker* nfc_worker) {
}
// Notify caller and exit
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
break;
}
@@ -171,7 +185,7 @@ bool nfc_worker_emulate_uid_callback(
if(reader_data->size > 0) {
memcpy(reader_data->data, buff_rx, reader_data->size);
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
}
return true;
@@ -231,7 +245,7 @@ void nfc_worker_read_emv_app(NfcWorker* nfc_worker) {
result->emv_data.aid_len = emv_app.aid_len;
memcpy(result->emv_data.aid, emv_app.aid, emv_app.aid_len);
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
break;
} else {
@@ -329,7 +343,7 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
memcpy(result->emv_data.number, emv_app.card_number, emv_app.card_number_len);
// Notify caller and exit
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
break;
} else {
@@ -378,7 +392,7 @@ void nfc_worker_read_emv(NfcWorker* nfc_worker) {
}
// Notify caller and exit
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
break;
} else {
@@ -633,7 +647,7 @@ void nfc_worker_read_mifare_ul(NfcWorker* nfc_worker) {
// Notify caller and exit
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
break;
} else {
@@ -663,13 +677,166 @@ void nfc_worker_emulate_mifare_ul(NfcWorker* nfc_worker) {
if(mf_ul_emulate.data_changed) {
nfc_worker->dev_data->mf_ul_data = mf_ul_emulate.data;
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
mf_ul_emulate.data_changed = false;
}
}
}
void nfc_worker_mifare_classic_dict_attack(NfcWorker* nfc_worker) {
furi_assert(nfc_worker->callback);
rfalNfcDevice* dev_list;
rfalNfcDevice* dev;
NfcDeviceCommonData* nfc_common;
uint8_t dev_cnt = 0;
FuriHalNfcTxRxContext tx_rx_ctx = {};
MfClassicAuthContext auth_ctx = {};
MfClassicReader reader = {};
uint64_t curr_key = 0;
uint16_t curr_sector = 0;
uint8_t total_sectors = 0;
NfcWorkerEvent event;
// Open dictionary
nfc_worker->dict_stream = file_stream_alloc(nfc_worker->storage);
if(!nfc_mf_classic_dict_open_file(nfc_worker->dict_stream)) {
event = NfcWorkerEventNoDictFound;
nfc_worker->callback(event, nfc_worker->context);
nfc_mf_classic_dict_close_file(nfc_worker->dict_stream);
stream_free(nfc_worker->dict_stream);
return;
}
// Detect Mifare Classic card
while(nfc_worker->state == NfcWorkerStateReadMifareClassic) {
if(furi_hal_nfc_detect(&dev_list, &dev_cnt, 300, false)) {
dev = &dev_list[0];
if(mf_classic_get_type(
dev->nfcid,
dev->nfcidLen,
dev->dev.nfca.sensRes.anticollisionInfo,
dev->dev.nfca.sensRes.platformInfo,
dev->dev.nfca.selRes.sak,
&reader)) {
total_sectors = mf_classic_get_total_sectors_num(&reader);
if(reader.type == MfClassicType1k) {
event = NfcWorkerEventDetectedClassic1k;
} else {
event = NfcWorkerEventDetectedClassic4k;
}
nfc_worker->callback(event, nfc_worker->context);
break;
}
} else {
event = NfcWorkerEventNoCardDetected;
nfc_worker->callback(event, nfc_worker->context);
}
}
if(nfc_worker->state == NfcWorkerStateReadMifareClassic) {
bool card_removed_notified = false;
bool card_found_notified = false;
// Seek for mifare classic keys
for(curr_sector = 0; curr_sector < total_sectors; curr_sector++) {
FURI_LOG_I(TAG, "Sector: %d ...", curr_sector);
event = NfcWorkerEventNewSector;
nfc_worker->callback(event, nfc_worker->context);
mf_classic_auth_init_context(&auth_ctx, reader.cuid, curr_sector);
bool sector_key_found = false;
while(nfc_mf_classic_dict_get_next_key(nfc_worker->dict_stream, &curr_key)) {
furi_hal_nfc_deactivate();
if(furi_hal_nfc_activate_nfca(300, &reader.cuid)) {
if(!card_found_notified) {
if(reader.type == MfClassicType1k) {
event = NfcWorkerEventDetectedClassic1k;
} else {
event = NfcWorkerEventDetectedClassic4k;
}
nfc_worker->callback(event, nfc_worker->context);
card_found_notified = true;
card_removed_notified = false;
}
FURI_LOG_D(
TAG,
"Try to auth to sector %d with key %04lx%08lx",
curr_sector,
(uint32_t)(curr_key >> 32),
(uint32_t)curr_key);
if(mf_classic_auth_attempt(&tx_rx_ctx, &auth_ctx, curr_key)) {
sector_key_found = true;
if((auth_ctx.key_a != MF_CLASSIC_NO_KEY) &&
(auth_ctx.key_b != MF_CLASSIC_NO_KEY))
break;
}
} else {
// Notify that no tag is availalble
FURI_LOG_D(TAG, "Can't find tags");
if(!card_removed_notified) {
event = NfcWorkerEventNoCardDetected;
nfc_worker->callback(event, nfc_worker->context);
card_removed_notified = true;
card_found_notified = false;
}
}
if(nfc_worker->state != NfcWorkerStateReadMifareClassic) break;
}
if(nfc_worker->state != NfcWorkerStateReadMifareClassic) break;
if(sector_key_found) {
// Notify that keys were found
if(auth_ctx.key_a != MF_CLASSIC_NO_KEY) {
FURI_LOG_I(
TAG,
"Sector %d key A: %04lx%08lx",
curr_sector,
(uint32_t)(auth_ctx.key_a >> 32),
(uint32_t)auth_ctx.key_a);
event = NfcWorkerEventFoundKeyA;
nfc_worker->callback(event, nfc_worker->context);
}
if(auth_ctx.key_b != MF_CLASSIC_NO_KEY) {
FURI_LOG_I(
TAG,
"Sector %d key B: %04lx%08lx",
curr_sector,
(uint32_t)(auth_ctx.key_b >> 32),
(uint32_t)auth_ctx.key_b);
event = NfcWorkerEventFoundKeyB;
nfc_worker->callback(event, nfc_worker->context);
}
// Add sectors to read sequence
mf_classic_reader_add_sector(&reader, curr_sector, auth_ctx.key_a, auth_ctx.key_b);
}
nfc_mf_classic_dict_reset(nfc_worker->dict_stream);
}
}
if(nfc_worker->state == NfcWorkerStateReadMifareClassic) {
FURI_LOG_I(TAG, "Found keys to %d sectors. Start reading sectors", reader.sectors_to_read);
uint8_t sectors_read =
mf_classic_read_card(&tx_rx_ctx, &reader, &nfc_worker->dev_data->mf_classic_data);
if(sectors_read) {
dev = &dev_list[0];
nfc_common = &nfc_worker->dev_data->nfc_data;
nfc_common->uid_len = dev->dev.nfca.nfcId1Len;
nfc_common->atqa[0] = dev->dev.nfca.sensRes.anticollisionInfo;
nfc_common->atqa[1] = dev->dev.nfca.sensRes.platformInfo;
nfc_common->sak = dev->dev.nfca.selRes.sak;
nfc_common->protocol = NfcDeviceProtocolMifareClassic;
memcpy(nfc_common->uid, dev->dev.nfca.nfcId1, nfc_common->uid_len);
event = NfcWorkerEventSuccess;
FURI_LOG_I(TAG, "Successfully read %d sectors", sectors_read);
} else {
event = NfcWorkerEventFail;
FURI_LOG_W(TAG, "Failed to read any sector");
}
nfc_worker->callback(event, nfc_worker->context);
}
nfc_mf_classic_dict_close_file(nfc_worker->dict_stream);
stream_free(nfc_worker->dict_stream);
}
ReturnCode nfc_exchange_full(
uint8_t* tx_buff,
uint16_t tx_len,
@@ -900,7 +1067,7 @@ void nfc_worker_read_mifare_desfire(NfcWorker* nfc_worker) {
// Notify caller and exit
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
}
break;
}