Nfc: add basic Mifare DESFire support (#1024)

* Fix TextBox word wrap behavior * Wrap width is 120 pixels, not 140. (140 is larger than the screen!) * Glyph width already includes spacing; don't add 1 additional px * When starting a new line, include wrapped glyph width in new line_width. * Call canvas_set_font before text_box_insert_endline so that glyph width is calculated using correct font. Previous approach worked somewhat well using default TextBoxFontText but this version is more robust, particularly when using TextBoxFontHex. * Add basic Mifare DESFire reading, file/app browser * Fix build with APP_ARCHIVE=0 * Add bool type to flipper_format * Add ability to save and load DESFire card data * Skip over NfcSceneDeviceInfo when viewing saved DESFire info * mf_df_clear: don't leak master key settings key versions * When opening a DESFire card from Archive, retain UID emulation behavior * rm unnecessary \r\n * show Popup instead of leaving view in bad state * Move NfcReaderRequestData out of union This makes it safe to emulate DESFire/EMV without clobbering card data. * Display saved DESFire cards via NfcSceneDeviceInfo * Display and save file metadata even when contents are missing This can happen when a file doesn't allow unauthenticated reads (see the call to mf_df_parse_read_data_response in nfc_worker.c). Co-authored-by: Kevin Wallace <git+flipperzero@kevin.wallace.seattle.wa.us> Co-authored-by: あく <alleteam@gmail.com> Co-authored-by: gornekich <n.gorbadey@gmail.com>
2022-03-23 06:45:37 -07:00
parent d075e00ae1
commit 3857cd7d5f
26 changed files with 1941 additions and 14 deletions
--- a/applications/nfc/scenes/nfc_scene_read_mifare_desfire_success.c
+++ b/applications/nfc/scenes/nfc_scene_read_mifare_desfire_success.c
@@ -0,0 +1,106 @@
+#include "../nfc_i.h"
+#include <dolphin/dolphin.h>
+
+#define NFC_SCENE_READ_SUCCESS_SHIFT "              "
+
+enum {
+    ReadMifareDesfireSuccessStateShowUID,
+    ReadMifareDesfireSuccessStateShowData,
+};
+
+void nfc_scene_read_mifare_desfire_success_dialog_callback(DialogExResult result, void* context) {
+    Nfc* nfc = (Nfc*)context;
+
+    view_dispatcher_send_custom_event(nfc->view_dispatcher, result);
+}
+
+void nfc_scene_read_mifare_desfire_success_on_enter(void* context) {
+    Nfc* nfc = (Nfc*)context;
+
+    MifareDesfireData* data = &nfc->dev->dev_data.mf_df_data;
+    DialogEx* dialog_ex = nfc->dialog_ex;
+    dialog_ex_set_left_button_text(dialog_ex, "Back");
+    dialog_ex_set_center_button_text(dialog_ex, "Data");
+    dialog_ex_set_right_button_text(dialog_ex, "More");
+    dialog_ex_set_icon(dialog_ex, 8, 16, &I_Medium_chip_22x21);
+
+    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++;
+        }
+    }
+
+    nfc_text_store_set(
+        nfc,
+        "UID: %02X %02X %02X %02X %02X %02X %02X\n" NFC_SCENE_READ_SUCCESS_SHIFT
+        "%d%s bytes\n" NFC_SCENE_READ_SUCCESS_SHIFT "%d bytes free\n"
+        "%d application%s, %d file%s",
+        data->version.uid[0],
+        data->version.uid[1],
+        data->version.uid[2],
+        data->version.uid[3],
+        data->version.uid[4],
+        data->version.uid[5],
+        data->version.uid[6],
+        1 << (data->version.sw_storage >> 1),
+        (data->version.sw_storage & 1) ? "+" : "",
+        data->free_memory ? data->free_memory->bytes : 0,
+        n_apps,
+        n_apps == 1 ? "" : "s",
+        n_files,
+        n_files == 1 ? "" : "s");
+    dialog_ex_set_text(dialog_ex, nfc->text_store, 8, 6, AlignLeft, AlignTop);
+    dialog_ex_set_context(dialog_ex, nfc);
+    dialog_ex_set_result_callback(
+        dialog_ex, nfc_scene_read_mifare_desfire_success_dialog_callback);
+
+    scene_manager_set_scene_state(
+        nfc->scene_manager,
+        NfcSceneReadMifareDesfireSuccess,
+        ReadMifareDesfireSuccessStateShowUID);
+    view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
+}
+
+bool nfc_scene_read_mifare_desfire_success_on_event(void* context, SceneManagerEvent event) {
+    Nfc* nfc = context;
+    uint32_t state =
+        scene_manager_get_scene_state(nfc->scene_manager, NfcSceneReadMifareDesfireSuccess);
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(state == ReadMifareDesfireSuccessStateShowUID && event.event == DialogExResultLeft) {
+            scene_manager_previous_scene(nfc->scene_manager);
+            consumed = true;
+        } else if(
+            state == ReadMifareDesfireSuccessStateShowUID && event.event == DialogExResultCenter) {
+            scene_manager_next_scene(nfc->scene_manager, NfcSceneMifareDesfireData);
+            consumed = true;
+        } else if(state == ReadMifareDesfireSuccessStateShowUID && event.event == DialogExResultRight) {
+            scene_manager_next_scene(nfc->scene_manager, NfcSceneMifareDesfireMenu);
+            consumed = true;
+        }
+    } else if(event.type == SceneManagerEventTypeBack) {
+        if(state == ReadMifareDesfireSuccessStateShowData) {
+            view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewDialogEx);
+            scene_manager_set_scene_state(
+                nfc->scene_manager,
+                NfcSceneReadMifareDesfireSuccess,
+                ReadMifareDesfireSuccessStateShowUID);
+            consumed = true;
+        }
+    }
+
+    return consumed;
+}
+
+void nfc_scene_read_mifare_desfire_success_on_exit(void* context) {
+    Nfc* nfc = (Nfc*)context;
+
+    // Clean dialog
+    DialogEx* dialog_ex = nfc->dialog_ex;
+    dialog_ex_reset(dialog_ex);
+}