flipperzero-firmware/applications/main/nfc/scenes/nfc_scene_nfc_data_info.c
Liam Hays 663eb6cd6d
Display Mifare Classic data in NFC app (#2389)
* Add data display for Mifare Classic cards.
* Clean up log statements and data display.

Co-authored-by: あく <alleteam@gmail.com>
2023-02-21 16:15:48 +09:00

155 lines
6.3 KiB
C

#include "../nfc_i.h"
void nfc_scene_nfc_data_info_widget_callback(GuiButtonType result, InputType type, void* context) {
Nfc* nfc = context;
if(type == InputTypeShort) {
view_dispatcher_send_custom_event(nfc->view_dispatcher, result);
}
}
void nfc_scene_nfc_data_info_on_enter(void* context) {
Nfc* nfc = context;
Widget* widget = nfc->widget;
FuriHalNfcDevData* nfc_data = &nfc->dev->dev_data.nfc_data;
NfcDeviceData* dev_data = &nfc->dev->dev_data;
NfcProtocol protocol = dev_data->protocol;
uint8_t text_scroll_height = 0;
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;
} else {
text_scroll_height = 64;
}
FuriString* temp_str;
temp_str = furi_string_alloc();
// Set name if present
if(nfc->dev->dev_name[0] != '\0') {
furi_string_printf(temp_str, "\ec%s\n", nfc->dev->dev_name);
}
// Set tag type
if(protocol == NfcDeviceProtocolEMV) {
furi_string_cat_printf(temp_str, "\e#EMV Bank Card\n");
} else if(protocol == NfcDeviceProtocolMifareUl) {
furi_string_cat_printf(
temp_str, "\e#%s\n", nfc_mf_ul_type(dev_data->mf_ul_data.type, true));
} else if(protocol == NfcDeviceProtocolMifareClassic) {
furi_string_cat_printf(
temp_str, "\e#%s\n", nfc_mf_classic_type(dev_data->mf_classic_data.type));
} else if(protocol == NfcDeviceProtocolMifareDesfire) {
furi_string_cat_printf(temp_str, "\e#MIFARE DESfire\n");
} else {
furi_string_cat_printf(temp_str, "\e#Unknown ISO tag\n");
}
// Set tag iso data
char iso_type = FURI_BIT(nfc_data->sak, 5) ? '4' : '3';
furi_string_cat_printf(temp_str, "ISO 14443-%c (NFC-A)\n", iso_type);
furi_string_cat_printf(temp_str, "UID:");
for(size_t i = 0; i < nfc_data->uid_len; i++) {
furi_string_cat_printf(temp_str, " %02X", nfc_data->uid[i]);
}
furi_string_cat_printf(temp_str, "\nATQA: %02X %02X ", nfc_data->atqa[1], nfc_data->atqa[0]);
furi_string_cat_printf(temp_str, " SAK: %02X", nfc_data->sak);
// Set application specific data
if(protocol == NfcDeviceProtocolMifareDesfire) {
MifareDesfireData* data = &dev_data->mf_df_data;
uint32_t bytes_total = 1UL << (data->version.sw_storage >> 1);
uint32_t bytes_free = data->free_memory ? data->free_memory->bytes : 0;
furi_string_cat_printf(temp_str, "\n%lu", bytes_total);
if(data->version.sw_storage & 1) {
furi_string_push_back(temp_str, '+');
}
furi_string_cat_printf(temp_str, " bytes, %lu bytes free\n", bytes_free);
uint16_t n_apps = 0;
uint16_t n_files = 0;
for(MifareDesfireApplication* app = data->app_head; app; app = app->next) {
n_apps++;
for(MifareDesfireFile* file = app->file_head; file; file = file->next) {
n_files++;
}
}
furi_string_cat_printf(temp_str, "%d Application", n_apps);
if(n_apps != 1) {
furi_string_push_back(temp_str, 's');
}
furi_string_cat_printf(temp_str, ", %d file", n_files);
if(n_files != 1) {
furi_string_push_back(temp_str, 's');
}
} else if(protocol == NfcDeviceProtocolMifareUl) {
MfUltralightData* data = &dev_data->mf_ul_data;
furi_string_cat_printf(
temp_str, "\nPages Read %d/%d", data->data_read / 4, data->data_size / 4);
if(data->data_size > data->data_read) {
furi_string_cat_printf(temp_str, "\nPassword-protected");
} else if(data->auth_success) {
MfUltralightConfigPages* config_pages = mf_ultralight_get_config_pages(data);
if(config_pages) {
furi_string_cat_printf(
temp_str,
"\nPassword: %02X %02X %02X %02X",
config_pages->auth_data.pwd.raw[0],
config_pages->auth_data.pwd.raw[1],
config_pages->auth_data.pwd.raw[2],
config_pages->auth_data.pwd.raw[3]);
furi_string_cat_printf(
temp_str,
"\nPACK: %02X %02X",
config_pages->auth_data.pack.raw[0],
config_pages->auth_data.pack.raw[1]);
}
}
} else if(protocol == NfcDeviceProtocolMifareClassic) {
MfClassicData* data = &dev_data->mf_classic_data;
uint8_t sectors_total = mf_classic_get_total_sectors_num(data->type);
uint8_t keys_total = sectors_total * 2;
uint8_t keys_found = 0;
uint8_t sectors_read = 0;
mf_classic_get_read_sectors_and_keys(data, &sectors_read, &keys_found);
furi_string_cat_printf(temp_str, "\nKeys Found %d/%d", keys_found, keys_total);
furi_string_cat_printf(temp_str, "\nSectors Read %d/%d", sectors_read, sectors_total);
}
// Add text scroll widget
widget_add_text_scroll_element(
widget, 0, 0, 128, text_scroll_height, furi_string_get_cstr(temp_str));
furi_string_free(temp_str);
view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewWidget);
}
bool nfc_scene_nfc_data_info_on_event(void* context, SceneManagerEvent event) {
Nfc* nfc = context;
NfcProtocol protocol = nfc->dev->dev_data.protocol;
bool consumed = false;
if(event.type == SceneManagerEventTypeCustom) {
if(event.event == GuiButtonTypeRight) {
if(protocol == NfcDeviceProtocolMifareDesfire) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneMfDesfireData);
consumed = true;
} 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;
}
}
}
return consumed;
}
void nfc_scene_nfc_data_info_on_exit(void* context) {
Nfc* nfc = context;
widget_reset(nfc->widget);
}