[FL-3676] Slix disable privacy (#3425)

* slix: add unlock option * slix: add features for nxp get info and signature commands * slix: working unlock * nfc app: rewrite slix unlock * slix poller: simplify unlock state handler * nfc app: fix slix key setting * nfc app: fix navigation * slix poller: code clean up * slix: resolve TODO, clean code * nfc app: fix naming * nfc app: rework slix unlock success scene * slix poller: add documentation * slix listener: fix password comparison Co-authored-by: あく <[email protected]>
flipperdevices · Feb 9, 2024 · 6bc63b7 · 6bc63b7
1 parent f6eb79e
commit 6bc63b7
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Showing 22 changed files with 576 additions and 60 deletions.
diff --git a/applications/main/nfc/helpers/slix_unlock.c b/applications/main/nfc/helpers/slix_unlock.c
@@ -0,0 +1,64 @@
+#include "slix_unlock.h"
+
+#include <furi/furi.h>
+
+#define SLIX_UNLOCK_PASSWORD_NUM_MAX (2)
+
+struct SlixUnlock {
+    SlixUnlockMethod method;
+    SlixPassword password_arr[SLIX_UNLOCK_PASSWORD_NUM_MAX];
+    size_t password_arr_len;
+    size_t password_idx;
+};
+
+static const SlixPassword tonie_box_pass_arr[] = {0x5B6EFD7F, 0x0F0F0F0F};
+
+SlixUnlock* slix_unlock_alloc() {
+    SlixUnlock* instance = malloc(sizeof(SlixUnlock));
+
+    return instance;
+}
+
+void slix_unlock_free(SlixUnlock* instance) {
+    furi_assert(instance);
+
+    free(instance);
+}
+
+void slix_unlock_reset(SlixUnlock* instance) {
+    furi_assert(instance);
+
+    memset(instance, 0, sizeof(SlixUnlock));
+}
+
+void slix_unlock_set_method(SlixUnlock* instance, SlixUnlockMethod method) {
+    furi_assert(instance);
+
+    instance->method = method;
+    if(method == SlixUnlockMethodTonieBox) {
+        instance->password_arr_len = COUNT_OF(tonie_box_pass_arr);
+        memcpy(instance->password_arr, tonie_box_pass_arr, sizeof(tonie_box_pass_arr));
+    }
+}
+
+void slix_unlock_set_password(SlixUnlock* instance, SlixPassword password) {
+    furi_assert(instance);
+    furi_assert(instance->method == SlixUnlockMethodManual);
+
+    instance->password_arr[0] = password;
+    instance->password_arr_len = 1;
+}
+
+bool slix_unlock_get_next_password(SlixUnlock* instance, SlixPassword* password) {
+    furi_assert(instance);
+    furi_assert(password);
+
+    bool password_set = false;
+    if(instance->password_arr_len) {
+        *password = instance->password_arr[instance->password_idx++];
+        instance->password_idx %= instance->password_arr_len;
+        password_set = true;
+    }
+
+    return password_set;
+}
diff --git a/applications/main/nfc/helpers/slix_unlock.h b/applications/main/nfc/helpers/slix_unlock.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <nfc/protocols/slix/slix.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    SlixUnlockMethodManual,
+    SlixUnlockMethodTonieBox,
+} SlixUnlockMethod;
+
+typedef struct SlixUnlock SlixUnlock;
+
+SlixUnlock* slix_unlock_alloc();
+
+void slix_unlock_free(SlixUnlock* instance);
+
+void slix_unlock_reset(SlixUnlock* instance);
+
+void slix_unlock_set_method(SlixUnlock* instance, SlixUnlockMethod method);
+
+void slix_unlock_set_password(SlixUnlock* instance, SlixPassword password);
+
+bool slix_unlock_get_next_password(SlixUnlock* instance, SlixPassword* password);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/applications/main/nfc/nfc_app.c b/applications/main/nfc/nfc_app.c
@@ -51,6 +51,7 @@ NfcApp* nfc_app_alloc() {
     instance->nfc = nfc_alloc();
 
     instance->mf_ul_auth = mf_ultralight_auth_alloc();
+    instance->slix_unlock = slix_unlock_alloc();
     instance->mfc_key_cache = mf_classic_key_cache_alloc();
     instance->nfc_supported_cards = nfc_supported_cards_alloc();
 
@@ -141,6 +142,7 @@ void nfc_app_free(NfcApp* instance) {
     nfc_free(instance->nfc);
 
     mf_ultralight_auth_free(instance->mf_ul_auth);
+    slix_unlock_free(instance->slix_unlock);
     mf_classic_key_cache_free(instance->mfc_key_cache);
     nfc_supported_cards_free(instance->nfc_supported_cards);
 

diff --git a/applications/main/nfc/nfc_app_i.h b/applications/main/nfc/nfc_app_i.h
@@ -32,6 +32,7 @@
 #include "helpers/mfkey32_logger.h"
 #include "helpers/mf_classic_key_cache.h"
 #include "helpers/nfc_supported_cards.h"
+#include "helpers/slix_unlock.h"
 
 #include <dialogs/dialogs.h>
 #include <storage/storage.h>
@@ -129,6 +130,7 @@ struct NfcApp {
     NfcListener* listener;
 
     MfUltralightAuth* mf_ul_auth;
+    SlixUnlock* slix_unlock;
     NfcMfClassicDictAttackContext nfc_dict_context;
     Mfkey32Logger* mfkey32_logger;
     MfUserDict* mf_user_dict;

diff --git a/applications/main/nfc/scenes/nfc_scene_config.h b/applications/main/nfc/scenes/nfc_scene_config.h
@@ -59,4 +59,9 @@ ADD_SCENE(nfc, set_sak, SetSak)
 ADD_SCENE(nfc, set_atqa, SetAtqa)
 ADD_SCENE(nfc, set_uid, SetUid)
 
+ADD_SCENE(nfc, slix_unlock_menu, SlixUnlockMenu)
+ADD_SCENE(nfc, slix_key_input, SlixKeyInput)
+ADD_SCENE(nfc, slix_unlock, SlixUnlock)
+ADD_SCENE(nfc, slix_unlock_success, SlixUnlockSuccess)
+
 ADD_SCENE(nfc, generate_info, GenerateInfo)
diff --git a/applications/main/nfc/scenes/nfc_scene_extra_actions.c b/applications/main/nfc/scenes/nfc_scene_extra_actions.c
@@ -4,6 +4,7 @@ enum SubmenuIndex {
     SubmenuIndexReadCardType,
     SubmenuIndexMfClassicKeys,
     SubmenuIndexMfUltralightUnlock,
+    SubmenuIndexSlixUnlock,
 };
 
 void nfc_scene_extra_actions_submenu_callback(void* context, uint32_t index) {
@@ -34,6 +35,12 @@ void nfc_scene_extra_actions_on_enter(void* context) {
         SubmenuIndexMfUltralightUnlock,
         nfc_scene_extra_actions_submenu_callback,
         instance);
+    submenu_add_item(
+        submenu,
+        "Unlock SLIX-L",
+        SubmenuIndexSlixUnlock,
+        nfc_scene_extra_actions_submenu_callback,
+        instance);
     submenu_set_selected_item(
         submenu, scene_manager_get_scene_state(instance->scene_manager, NfcSceneExtraActions));
     view_dispatcher_switch_to_view(instance->view_dispatcher, NfcViewMenu);
@@ -54,6 +61,9 @@ bool nfc_scene_extra_actions_on_event(void* context, SceneManagerEvent event) {
         } else if(event.event == SubmenuIndexReadCardType) {
             scene_manager_next_scene(instance->scene_manager, NfcSceneSelectProtocol);
             consumed = true;
+        } else if(event.event == SubmenuIndexSlixUnlock) {
+            scene_manager_next_scene(instance->scene_manager, NfcSceneSlixUnlockMenu);
+            consumed = true;
         }
         scene_manager_set_scene_state(instance->scene_manager, NfcSceneExtraActions, event.event);
     }

diff --git a/applications/main/nfc/scenes/nfc_scene_retry_confirm.c b/applications/main/nfc/scenes/nfc_scene_retry_confirm.c
@@ -28,7 +28,11 @@ bool nfc_scene_retry_confirm_on_event(void* context, SceneManagerEvent event) {
         if(event.event == DialogExResultRight) {
             consumed = scene_manager_previous_scene(nfc->scene_manager);
         } else if(event.event == DialogExResultLeft) {
-            if(scene_manager_has_previous_scene(nfc->scene_manager, NfcSceneMfClassicDictAttack)) {
+            if(scene_manager_has_previous_scene(nfc->scene_manager, NfcSceneSlixUnlock)) {
+                consumed = scene_manager_search_and_switch_to_previous_scene(
+                    nfc->scene_manager, NfcSceneSlixUnlock);
+            } else if(scene_manager_has_previous_scene(
+                          nfc->scene_manager, NfcSceneMfClassicDictAttack)) {
                 consumed = scene_manager_search_and_switch_to_previous_scene(
                     nfc->scene_manager, NfcSceneMfClassicDictAttack);
             } else if(scene_manager_has_previous_scene(

diff --git a/applications/main/nfc/scenes/nfc_scene_slix_key_input.c b/applications/main/nfc/scenes/nfc_scene_slix_key_input.c
@@ -0,0 +1,48 @@
+#include "../nfc_app_i.h"
+
+#include <nfc/helpers/nfc_util.h>
+
+void nfc_scene_slix_key_input_byte_input_callback(void* context) {
+    NfcApp* instance = context;
+
+    SlixPassword password = nfc_util_bytes2num(instance->byte_input_store, sizeof(SlixPassword));
+    slix_unlock_set_password(instance->slix_unlock, password);
+    view_dispatcher_send_custom_event(instance->view_dispatcher, NfcCustomEventByteInputDone);
+}
+
+void nfc_scene_slix_key_input_on_enter(void* context) {
+    NfcApp* instance = context;
+
+    // Setup view
+    ByteInput* byte_input = instance->byte_input;
+    byte_input_set_header_text(byte_input, "Enter the password in hex");
+    byte_input_set_result_callback(
+        byte_input,
+        nfc_scene_slix_key_input_byte_input_callback,
+        NULL,
+        instance,
+        instance->byte_input_store,
+        sizeof(SlixPassword));
+    view_dispatcher_switch_to_view(instance->view_dispatcher, NfcViewByteInput);
+}
+
+bool nfc_scene_slix_key_input_on_event(void* context, SceneManagerEvent event) {
+    NfcApp* instance = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == NfcCustomEventByteInputDone) {
+            scene_manager_next_scene(instance->scene_manager, NfcSceneSlixUnlock);
+            consumed = true;
+        }
+    }
+    return consumed;
+}
+
+void nfc_scene_slix_key_input_on_exit(void* context) {
+    NfcApp* instance = context;
+
+    // Clear view
+    byte_input_set_result_callback(instance->byte_input, NULL, NULL, NULL, NULL, 0);
+    byte_input_set_header_text(instance->byte_input, "");
+}
diff --git a/applications/main/nfc/scenes/nfc_scene_slix_unlock.c b/applications/main/nfc/scenes/nfc_scene_slix_unlock.c
@@ -0,0 +1,70 @@
+#include "../nfc_app_i.h"
+
+#include <nfc/protocols/slix/slix_poller.h>
+
+NfcCommand nfc_scene_slix_unlock_worker_callback(NfcGenericEvent event, void* context) {
+    furi_assert(event.protocol == NfcProtocolSlix);
+
+    NfcCommand command = NfcCommandContinue;
+
+    NfcApp* instance = context;
+    SlixPollerEvent* slix_event = event.event_data;
+    if(slix_event->type == SlixPollerEventTypePrivacyUnlockRequest) {
+        SlixPassword pwd = 0;
+        bool get_password_success = slix_unlock_get_next_password(instance->slix_unlock, &pwd);
+        slix_event->data->privacy_password.password = pwd;
+        slix_event->data->privacy_password.password_set = get_password_success;
+    } else if(slix_event->type == SlixPollerEventTypeError) {
+        view_dispatcher_send_custom_event(instance->view_dispatcher, NfcCustomEventPollerFailure);
+    } else if(slix_event->type == SlixPollerEventTypeReady) {
+        nfc_device_set_data(
+            instance->nfc_device, NfcProtocolSlix, nfc_poller_get_data(instance->poller));
+        view_dispatcher_send_custom_event(instance->view_dispatcher, NfcCustomEventPollerSuccess);
+        command = NfcCommandStop;
+    }
+
+    return command;
+}
+
+void nfc_scene_slix_unlock_on_enter(void* context) {
+    NfcApp* instance = context;
+
+    popup_set_icon(instance->popup, 0, 8, &I_NFC_manual_60x50);
+    popup_set_header(instance->popup, "Unlocking", 97, 15, AlignCenter, AlignTop);
+    popup_set_text(
+        instance->popup, "Apply card to\nFlipper's back", 97, 27, AlignCenter, AlignTop);
+    view_dispatcher_switch_to_view(instance->view_dispatcher, NfcViewPopup);
+
+    instance->poller = nfc_poller_alloc(instance->nfc, NfcProtocolSlix);
+    nfc_poller_start(instance->poller, nfc_scene_slix_unlock_worker_callback, instance);
+}
+
+bool nfc_scene_slix_unlock_on_event(void* context, SceneManagerEvent event) {
+    NfcApp* instance = context;
+    UNUSED(instance);
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == NfcCustomEventPollerFailure) {
+            consumed = true;
+        } else if(event.event == NfcCustomEventPollerSuccess) {
+            notification_message(instance->notifications, &sequence_success);
+            scene_manager_next_scene(instance->scene_manager, NfcSceneSlixUnlockSuccess);
+            consumed = true;
+        }
+    } else if(event.type == SceneManagerEventTypeBack) {
+        consumed = scene_manager_search_and_switch_to_previous_scene(
+            instance->scene_manager, NfcSceneSlixUnlockMenu);
+    }
+
+    return consumed;
+}
+
+void nfc_scene_slix_unlock_on_exit(void* context) {
+    NfcApp* instance = context;
+
+    nfc_poller_stop(instance->poller);
+    nfc_poller_free(instance->poller);
+
+    popup_reset(instance->popup);
+}
diff --git a/applications/main/nfc/scenes/nfc_scene_slix_unlock_menu.c b/applications/main/nfc/scenes/nfc_scene_slix_unlock_menu.c
@@ -0,0 +1,60 @@
+#include "../nfc_app_i.h"
+
+enum SubmenuIndex {
+    SubmenuIndexSlixUnlockMenuManual,
+    SubmenuIndexSlixUnlockMenuTonieBox,
+};
+
+void nfc_scene_slix_unlock_menu_submenu_callback(void* context, uint32_t index) {
+    NfcApp* instance = context;
+
+    view_dispatcher_send_custom_event(instance->view_dispatcher, index);
+}
+
+void nfc_scene_slix_unlock_menu_on_enter(void* context) {
+    NfcApp* instance = context;
+    Submenu* submenu = instance->submenu;
+
+    uint32_t state =
+        scene_manager_get_scene_state(instance->scene_manager, NfcSceneSlixUnlockMenu);
+    submenu_add_item(
+        submenu,
+        "Enter Password Manually",
+        SubmenuIndexSlixUnlockMenuManual,
+        nfc_scene_slix_unlock_menu_submenu_callback,
+        instance);
+    submenu_add_item(
+        submenu,
+        "Auth As TommyBox",
+        SubmenuIndexSlixUnlockMenuTonieBox,
+        nfc_scene_slix_unlock_menu_submenu_callback,
+        instance);
+    submenu_set_selected_item(submenu, state);
+    view_dispatcher_switch_to_view(instance->view_dispatcher, NfcViewMenu);
+}
+
+bool nfc_scene_slix_unlock_menu_on_event(void* context, SceneManagerEvent event) {
+    NfcApp* instance = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == SubmenuIndexSlixUnlockMenuManual) {
+            slix_unlock_set_method(instance->slix_unlock, SlixUnlockMethodManual);
+            scene_manager_next_scene(instance->scene_manager, NfcSceneSlixKeyInput);
+            consumed = true;
+        } else if(event.event == SubmenuIndexSlixUnlockMenuTonieBox) {
+            slix_unlock_set_method(instance->slix_unlock, SlixUnlockMethodTonieBox);
+            scene_manager_next_scene(instance->scene_manager, NfcSceneSlixUnlock);
+            consumed = true;
+        }
+        scene_manager_set_scene_state(
+            instance->scene_manager, NfcSceneSlixUnlockMenu, event.event);
+    }
+    return consumed;
+}
+
+void nfc_scene_slix_unlock_menu_on_exit(void* context) {
+    NfcApp* instance = context;
+
+    submenu_reset(instance->submenu);
+}