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Display Mifare Classic data in NFC app (#2389)

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* Add data display for Mifare Classic cards.
* Clean up log statements and data display.

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Liam Hays 2023-02-21 00:15:48 -07:00 committed by GitHub
parent 0a3ff7f85a
commit 663eb6cd6d
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 114 additions and 1 deletions
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1
applications/main/nfc/scenes/nfc_scene_config.h
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@ -29,6 +29,7 @@ ADD_SCENE(nfc, mf_desfire_menu, MfDesfireMenu)
ADD_SCENE(nfc, mf_desfire_data, MfDesfireData)
ADD_SCENE(nfc, mf_desfire_app, MfDesfireApp)
ADD_SCENE(nfc, mf_classic_read_success, MfClassicReadSuccess)
ADD_SCENE(nfc, mf_classic_data, MfClassicData)
ADD_SCENE(nfc, mf_classic_menu, MfClassicMenu)
ADD_SCENE(nfc, mf_classic_emulate, MfClassicEmulate)
ADD_SCENE(nfc, mf_classic_keys, MfClassicKeys)

106
applications/main/nfc/scenes/nfc_scene_mf_classic_data.c Normal file
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@ -0,0 +1,106 @@
#include "../nfc_i.h"
void nfc_scene_mf_classic_data_on_enter(void* context) {
Nfc* nfc = context;
MfClassicType type = nfc->dev->dev_data.mf_classic_data.type;
MfClassicData* data = &nfc->dev->dev_data.mf_classic_data;
TextBox* text_box = nfc->text_box;
text_box_set_font(text_box, TextBoxFontHex);
int card_blocks = 0;
if(type == MfClassicType1k) {
card_blocks = MF_CLASSIC_1K_TOTAL_SECTORS_NUM * 4;
} else if(type == MfClassicType4k) {
// 16 sectors of 4 blocks each plus 8 sectors of 16 blocks each
card_blocks = MF_CLASSIC_1K_TOTAL_SECTORS_NUM * 4 + 8 * 16;
} else if(type == MfClassicTypeMini) {
card_blocks = MF_MINI_TOTAL_SECTORS_NUM * 4;
}
int bytes_written = 0;
for(int block_num = 0; block_num < card_blocks; block_num++) {
bool is_sec_trailer = mf_classic_is_sector_trailer(block_num);
if(is_sec_trailer) {
uint8_t sector_num = mf_classic_get_sector_by_block(block_num);
MfClassicSectorTrailer* sec_tr =
mf_classic_get_sector_trailer_by_sector(data, sector_num);
// Key A
for(size_t i = 0; i < sizeof(sec_tr->key_a); i += 2) {
if((bytes_written % 8 == 0) && (bytes_written != 0)) {
furi_string_push_back(nfc->text_box_store, '\n');
}
if(mf_classic_is_key_found(data, sector_num, MfClassicKeyA)) {
furi_string_cat_printf(
nfc->text_box_store, "%02X%02X ", sec_tr->key_a[i], sec_tr->key_a[i + 1]);
} else {
furi_string_cat_printf(nfc->text_box_store, "???? ");
}
bytes_written += 2;
}
// Access bytes
for(size_t i = 0; i < MF_CLASSIC_ACCESS_BYTES_SIZE; i += 2) {
if((bytes_written % 8 == 0) && (bytes_written != 0)) {
furi_string_push_back(nfc->text_box_store, '\n');
}
if(mf_classic_is_block_read(data, block_num)) {
furi_string_cat_printf(
nfc->text_box_store,
"%02X%02X ",
sec_tr->access_bits[i],
sec_tr->access_bits[i + 1]);
} else {
furi_string_cat_printf(nfc->text_box_store, "???? ");
}
bytes_written += 2;
}
// Key B
for(size_t i = 0; i < sizeof(sec_tr->key_b); i += 2) {
if((bytes_written % 8 == 0) && (bytes_written != 0)) {
furi_string_push_back(nfc->text_box_store, '\n');
}
if(mf_classic_is_key_found(data, sector_num, MfClassicKeyB)) {
furi_string_cat_printf(
nfc->text_box_store, "%02X%02X ", sec_tr->key_b[i], sec_tr->key_b[i + 1]);
} else {
furi_string_cat_printf(nfc->text_box_store, "???? ");
}
bytes_written += 2;
}
} else {
// Write data block
for(size_t i = 0; i < MF_CLASSIC_BLOCK_SIZE; i += 2) {
if((bytes_written % 8 == 0) && (bytes_written != 0)) {
furi_string_push_back(nfc->text_box_store, '\n');
}
if(mf_classic_is_block_read(data, block_num)) {
furi_string_cat_printf(
nfc->text_box_store,
"%02X%02X ",
data->block[block_num].value[i],
data->block[block_num].value[i + 1]);
} else {
furi_string_cat_printf(nfc->text_box_store, "???? ");
}
bytes_written += 2;
}
}
}
text_box_set_text(text_box, furi_string_get_cstr(nfc->text_box_store));
view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewTextBox);
}
bool nfc_scene_mf_classic_data_on_event(void* context, SceneManagerEvent event) {
UNUSED(context);
UNUSED(event);
return false;
}
void nfc_scene_mf_classic_data_on_exit(void* context) {
Nfc* nfc = context;
// Clean view
text_box_reset(nfc->text_box);
furi_string_reset(nfc->text_box_store);
}

6
applications/main/nfc/scenes/nfc_scene_nfc_data_info.c
View File

@ -14,7 +14,8 @@ void nfc_scene_nfc_data_info_on_enter(void* context) {
NfcDeviceData* dev_data = &nfc->dev->dev_data;
NfcProtocol protocol = dev_data->protocol;
uint8_t text_scroll_height = 0;
if((protocol == NfcDeviceProtocolMifareDesfire) || (protocol == NfcDeviceProtocolMifareUl)) {
if((protocol == NfcDeviceProtocolMifareDesfire) || (protocol == NfcDeviceProtocolMifareUl) ||
(protocol == NfcDeviceProtocolMifareClassic)) {
widget_add_button_element(
widget, GuiButtonTypeRight, "More", nfc_scene_nfc_data_info_widget_callback, nfc);
text_scroll_height = 52;
@ -136,6 +137,9 @@ bool nfc_scene_nfc_data_info_on_event(void* context, SceneManagerEvent event) {
} else if(protocol == NfcDeviceProtocolMifareUl) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneMfUltralightData);
consumed = true;
} else if(protocol == NfcDeviceProtocolMifareClassic) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneMfClassicData);
consumed = true;
}
}
}

2
applications/main/nfc/scenes/nfc_scene_saved_menu.c
View File

@ -150,6 +150,8 @@ bool nfc_scene_saved_menu_on_event(void* context, SceneManagerEvent event) {
application_info_present = nfc_supported_card_verify_and_parse(dev_data);
}
FURI_LOG_I("nfc", "application_info_present: %d", application_info_present);
if(application_info_present) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneDeviceInfo);
} else {