Save picopass as picopass or, for 26bit, as lfrfid

applications/picopass/picopass.c

@@ -56,6 +56,13 @@ Picopass* picopass_alloc() {
     view_dispatcher_add_view(
         picopass->view_dispatcher, PicopassViewPopup, popup_get_view(picopass->popup));
 
+    // Text Input
+    picopass->text_input = text_input_alloc();
+    view_dispatcher_add_view(
+        picopass->view_dispatcher,
+        PicopassViewTextInput,
+        text_input_get_view(picopass->text_input));
+
     // Custom Widget
     picopass->widget = widget_alloc();
     view_dispatcher_add_view(
@@ -67,6 +74,10 @@ Picopass* picopass_alloc() {
 void picopass_free(Picopass* picopass) {
     furi_assert(picopass);
 
+    // Picopass device
+    picopass_device_free(picopass->dev);
+    picopass->dev = NULL;
+
     // Submenu
     view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewMenu);
     submenu_free(picopass->submenu);
@@ -75,6 +86,10 @@ void picopass_free(Picopass* picopass) {
     view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewPopup);
     popup_free(picopass->popup);
 
+    // TextInput
+    view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewTextInput);
+    text_input_free(picopass->text_input);
+
     // Custom Widget
     view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewWidget);
     widget_free(picopass->widget);
@@ -97,12 +112,22 @@ void picopass_free(Picopass* picopass) {
     furi_record_close("notification");
     picopass->notifications = NULL;
 
-    picopass_device_free(picopass->dev);
-    picopass->dev = NULL;
-
     free(picopass);
 }
 
+void picopass_text_store_set(Picopass* picopass, const char* text, ...) {
+    va_list args;
+    va_start(args, text);
+
+    vsnprintf(picopass->text_store, sizeof(picopass->text_store), text, args);
+
+    va_end(args);
+}
+
+void picopass_text_store_clear(Picopass* picopass) {
+    memset(picopass->text_store, 0, sizeof(picopass->text_store));
+}
+
 static const NotificationSequence picopass_sequence_blink_start_blue = {
     &message_blink_start_10,
     &message_blink_set_color_blue,

applications/picopass/picopass_device.c

@@ -5,13 +5,106 @@
 
 #define TAG "PicopassDevice"
 
+static const char* picopass_file_header = "Flipper Picopass device";
+static const uint32_t picopass_file_version = 1;
+
 PicopassDevice* picopass_device_alloc() {
     PicopassDevice* picopass_dev = malloc(sizeof(PicopassDevice));
     picopass_dev->storage = furi_record_open("storage");
     picopass_dev->dialogs = furi_record_open("dialogs");
     return picopass_dev;
 }
 
+void picopass_device_set_name(PicopassDevice* dev, const char* name) {
+    furi_assert(dev);
+
+    strlcpy(dev->dev_name, name, PICOPASS_DEV_NAME_MAX_LEN);
+}
+
+static bool picopass_device_save_file(
+    PicopassDevice* dev,
+    const char* dev_name,
+    const char* folder,
+    const char* extension,
+    bool use_load_path) {
+    furi_assert(dev);
+
+    bool saved = false;
+    FlipperFormat* file = flipper_format_file_alloc(dev->storage);
+    PicopassPacs* pacs = &dev->dev_data.pacs;
+    string_t temp_str;
+    string_init(temp_str);
+
+    do {
+        if(use_load_path && !string_empty_p(dev->load_path)) {
+            // Get directory name
+            path_extract_dirname(string_get_cstr(dev->load_path), temp_str);
+            // Create picopass directory if necessary
+            if(!storage_simply_mkdir(dev->storage, string_get_cstr(temp_str))) break;
+            // Make path to file to save
+            string_cat_printf(temp_str, "/%s%s", dev_name, extension);
+        } else {
+            // Create picopass directory if necessary
+            if(!storage_simply_mkdir(dev->storage, PICOPASS_APP_FOLDER)) break;
+            // First remove picopass device file if it was saved
+            string_printf(temp_str, "%s/%s%s", folder, dev_name, extension);
+        }
+        // Open file
+        if(!flipper_format_file_open_always(file, string_get_cstr(temp_str))) break;
+
+        if(dev->format == PicopassDeviceSaveFormatHF) {
+            // Write header
+            if(!flipper_format_write_header_cstr(file, picopass_file_header, picopass_file_version))
+                break;
+            if(!flipper_format_write_hex(file, "Credential", pacs->credential, 8)) break;
+            if(pacs->record.valid) {
+                if(!flipper_format_write_uint32(
+                       file, "Facility Code", (uint32_t*)&pacs->record.FacilityCode, 1))
+                    break;
+                if(!flipper_format_write_uint32(
+                       file, "Card Number", (uint32_t*)&pacs->record.CardNumber, 1))
+                    break;
+                // TODO: Save CSN, CFG, AA1, etc
+            }
+
+        } else if(dev->format == PicopassDeviceSaveFormatLF) {
+            const char* lf_header = "Flipper RFID key";
+
+            // Write header
+            if(!flipper_format_write_header_cstr(file, lf_header, 1)) break;
+            if(!flipper_format_write_comment_cstr(
+                   file,
+                   "This was generated from the Picopass plugin and may not match current lfrfid"))
+                break;
+            // When lfrfid supports more formats, update this
+            if(!flipper_format_write_string_cstr(file, "Key type", "H10301")) break;
+            uint8_t H10301[3] = {0};
+            H10301[0] = pacs->record.FacilityCode;
+            H10301[1] = pacs->record.CardNumber >> 8;
+            H10301[2] = pacs->record.CardNumber & 0x00FF;
+            if(!flipper_format_write_hex(file, "Data", H10301, 3)) break;
+        }
+        saved = true;
+    } while(0);
+
+    if(!saved) {
+        dialog_message_show_storage_error(dev->dialogs, "Can not save\nkey file");
+    }
+    string_clear(temp_str);
+    flipper_format_free(file);
+    return saved;
+}
+
+bool picopass_device_save(PicopassDevice* dev, const char* dev_name) {
+    if(dev->format == PicopassDeviceSaveFormatHF) {
+        return picopass_device_save_file(
+            dev, dev_name, PICOPASS_APP_FOLDER, PICOPASS_APP_EXTENSION, true);
+    } else if(dev->format == PicopassDeviceSaveFormatLF) {
+        return picopass_device_save_file(dev, dev_name, "/any/lfrfid", ".rfid", true);
+    }
+    return false;
+}
+
 void picopass_device_clear(PicopassDevice* dev) {
     furi_assert(dev);
 
@@ -24,10 +117,10 @@ void picopass_device_free(PicopassDevice* picopass_dev) {
     picopass_device_clear(picopass_dev);
     furi_record_close("storage");
     furi_record_close("dialogs");
+    string_clear(picopass_dev->load_path);
     free(picopass_dev);
 }
 
 void picopass_device_data_clear(PicopassDeviceData* dev_data) {
-    FURI_LOG_D(TAG, "picopass_device_data_clear");
     memset(&dev_data->AA1, 0, sizeof(ApplicationArea));
 }

applications/picopass/picopass_device.h

@@ -7,6 +7,25 @@
 
 #include <rfal_picopass.h>
 
+#define PICOPASS_DEV_NAME_MAX_LEN 22
+#define PICOPASS_READER_DATA_MAX_SIZE 64
+
+#define PICOPASS_APP_FOLDER "/any/picopass"
+#define PICOPASS_APP_EXTENSION ".picopass"
+#define PICOPASS_APP_SHADOW_EXTENSION ".pas"
+
+typedef enum {
+    PicopassDeviceEncryptionUnknown = 0,
+    PicopassDeviceEncryptionNone = 0x14,
+    PicopassDeviceEncryptionDES = 0x15,
+    PicopassDeviceEncryption3DES = 0x17,
+} PicopassEncryption;
+
+typedef enum {
+    PicopassDeviceSaveFormatHF,
+    PicopassDeviceSaveFormatLF,
+} PicopassDeviceSaveFormat;
+
 typedef struct {
     bool valid;
     uint8_t bitLength;
@@ -16,7 +35,7 @@ typedef struct {
 
 typedef struct {
     bool biometrics;
-    uint8_t encryption;
+    PicopassEncryption encryption;
     uint8_t credential[8];
     uint8_t pin0[8];
     uint8_t pin1[8];
@@ -32,12 +51,19 @@ typedef struct {
     Storage* storage;
     DialogsApp* dialogs;
     PicopassDeviceData dev_data;
+    char dev_name[PICOPASS_DEV_NAME_MAX_LEN + 1];
+    string_t load_path;
+    PicopassDeviceSaveFormat format;
 } PicopassDevice;
 
 PicopassDevice* picopass_device_alloc();
 
 void picopass_device_free(PicopassDevice* picopass_dev);
 
+void picopass_device_set_name(PicopassDevice* dev, const char* name);
+
+bool picopass_device_save(PicopassDevice* dev, const char* dev_name);
+
 void picopass_device_data_clear(PicopassDeviceData* dev_data);
 
 void picopass_device_clear(PicopassDevice* dev);

applications/picopass/picopass_i.h

@@ -14,6 +14,7 @@
 
 #include <gui/modules/submenu.h>
 #include <gui/modules/popup.h>
+#include <gui/modules/text_input.h>
 #include <gui/modules/widget.h>
 
 #include <input/input.h>
@@ -23,6 +24,8 @@
 #include <storage/storage.h>
 #include <lib/toolbox/path.h>
 
+#define PICOPASS_TEXT_STORE_SIZE 128
+
 enum PicopassCustomEvent {
     // Reserve first 100 events for button types and indexes, starting from 0
     PicopassCustomEventReserved = 100,
@@ -31,7 +34,6 @@ enum PicopassCustomEvent {
     PicopassCustomEventWorkerExit,
     PicopassCustomEventByteInputDone,
     PicopassCustomEventTextInputDone,
-    PicopassCustomEventDictAttackDone,
 };
 
 typedef enum {
@@ -47,20 +49,29 @@ struct Picopass {
     SceneManager* scene_manager;
     PicopassDevice* dev;
 
+    char text_store[PICOPASS_TEXT_STORE_SIZE + 1];
+    string_t text_box_store;
+
     // Common Views
     Submenu* submenu;
     Popup* popup;
+    TextInput* text_input;
     Widget* widget;
 };
 
 typedef enum {
     PicopassViewMenu,
     PicopassViewPopup,
+    PicopassViewTextInput,
     PicopassViewWidget,
 } PicopassView;
 
 Picopass* picopass_alloc();
 
+void picopass_text_store_set(Picopass* picopass, const char* text, ...);
+
+void picopass_text_store_clear(Picopass* picopass);
+
 void picopass_blink_start(Picopass* picopass);
 
 void picopass_blink_stop(Picopass* picopass);

applications/picopass/picopass_worker.c

@@ -114,8 +114,6 @@ void picopass_worker_start(
     furi_assert(picopass_worker);
     furi_assert(dev_data);
 
-    FURI_LOG_D(TAG, "picopass_worker_start");
-
     picopass_worker->callback = callback;
     picopass_worker->context = context;
     picopass_worker->dev_data = dev_data;
@@ -258,10 +256,8 @@ void picopass_worker_detect(PicopassWorker* picopass_worker) {
     ReturnCode err;
 
     while(picopass_worker->state == PicopassWorkerStateDetect) {
-        FURI_LOG_D(TAG, "PicopassWorkerStateDetect");
         if(picopass_detect_card(1000) == ERR_NONE) {
             // Process first found device
-            FURI_LOG_D(TAG, "picopass_read_card");
             err = picopass_read_card(AA1);
             if(err != ERR_NONE) {
                 FURI_LOG_E(TAG, "picopass_read_card error %d", err);
@@ -277,21 +273,18 @@ void picopass_worker_detect(PicopassWorker* picopass_worker) {
                     FURI_LOG_E(TAG, "decrypt error %d", err);
                     break;
                 }
-                FURI_LOG_D(TAG, "Decrypted 7");
 
                 err = picopass_worker_decrypt(AA1->block[2].data, pacs->pin0);
                 if(err != ERR_NONE) {
                     FURI_LOG_E(TAG, "decrypt error %d", err);
                     break;
                 }
-                FURI_LOG_D(TAG, "Decrypted 8");
 
                 err = picopass_worker_decrypt(AA1->block[3].data, pacs->pin1);
                 if(err != ERR_NONE) {
                     FURI_LOG_E(TAG, "decrypt error %d", err);
                     break;
                 }
-                FURI_LOG_D(TAG, "Decrypted 9");
             } else if(pacs->encryption == 0x14) {
                 FURI_LOG_D(TAG, "No Encryption");
                 memcpy(pacs->credential, AA1->block[1].data, RFAL_PICOPASS_MAX_BLOCK_LEN);

applications/picopass/scenes/picopass_scene_card_menu.c

@@ -0,0 +1,65 @@
+#include "../picopass_i.h"
+
+enum SubmenuIndex {
+    SubmenuIndexSave,
+    SubmenuIndexSaveAsLF,
+};
+
+void picopass_scene_card_menu_submenu_callback(void* context, uint32_t index) {
+    Picopass* picopass = context;
+
+    view_dispatcher_send_custom_event(picopass->view_dispatcher, index);
+}
+
+void picopass_scene_card_menu_on_enter(void* context) {
+    Picopass* picopass = context;
+    Submenu* submenu = picopass->submenu;
+
+    submenu_add_item(
+        submenu, "Save", SubmenuIndexSave, picopass_scene_card_menu_submenu_callback, picopass);
+    if(picopass->dev->dev_data.pacs.record.valid) {
+        submenu_add_item(
+            submenu,
+            "Save as LF",
+            SubmenuIndexSaveAsLF,
+            picopass_scene_card_menu_submenu_callback,
+            picopass);
+    }
+    submenu_set_selected_item(
+        picopass->submenu,
+        scene_manager_get_scene_state(picopass->scene_manager, PicopassSceneCardMenu));
+
+    view_dispatcher_switch_to_view(picopass->view_dispatcher, PicopassViewMenu);
+}
+
+bool picopass_scene_card_menu_on_event(void* context, SceneManagerEvent event) {
+    Picopass* picopass = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == SubmenuIndexSave) {
+            scene_manager_set_scene_state(
+                picopass->scene_manager, PicopassSceneCardMenu, SubmenuIndexSave);
+            scene_manager_next_scene(picopass->scene_manager, PicopassSceneSaveName);
+            picopass->dev->format = PicopassDeviceSaveFormatHF;
+            consumed = true;
+        } else if(event.event == SubmenuIndexSaveAsLF) {
+            scene_manager_set_scene_state(
+                picopass->scene_manager, PicopassSceneCardMenu, SubmenuIndexSaveAsLF);
+            picopass->dev->format = PicopassDeviceSaveFormatLF;
+            scene_manager_next_scene(picopass->scene_manager, PicopassSceneSaveName);
+            consumed = true;
+        }
+    } else if(event.type == SceneManagerEventTypeBack) {
+        consumed = scene_manager_search_and_switch_to_previous_scene(
+            picopass->scene_manager, PicopassSceneStart);
+    }
+
+    return consumed;
+}
+
+void picopass_scene_card_menu_on_exit(void* context) {
+    Picopass* picopass = context;
+
+    submenu_reset(picopass->submenu);
+}