Disable login

mongoose.c

@@ -508,9 +508,10 @@ static struct mg_dash_user *mg_dash_authenticate(struct mg_http_message *hm,
                                                  struct mg_dash *dash) {
   static struct mg_dash_user *s_users;  // List of authenticated users
   char user[100], pass[100];
+  static struct mg_dash_user admin = {NULL, "admin", "admin", 9, (uint64_t) -1};
   struct mg_dash_user *u, *tmp, *result = NULL;
 
-  if (dash->authenticate == NULL) return NULL;
+  if (dash->authenticate == NULL) return &admin;
   mg_http_creds(hm, user, sizeof(user), pass, sizeof(pass));
   // MG_DEBUG(("user [%s], pass: [%s], h: %.*s", user, pass, hm->head.len,
   // hm->head.buf));
@@ -599,9 +600,7 @@ void mg_dash_ev_handler(struct mg_connection *c, int ev, void *ev_data) {
     if (mg_match(hm->uri, mg_str("/api/hi"), NULL) ||
         mg_match(hm->uri, mg_str("/api/logout"), NULL)) {
       // Do nothing, handle them MG_EV_HTTP_MSG. We bypass auth for those
-    } else if (dash->authenticate && u == NULL &&
+    } else if (u == NULL && mg_match(hm->uri, mg_str("/api/#"), NULL)) {
-               mg_match(hm->uri, mg_str("/api/#"), NULL)) {
-      // Auth check fail
       mg_http_reply(c, 403, MG_JSON_HEADERS, "Not Authorised\n");
       c->data[0] = CONN_HANDLED;
     } else if (mg_match(hm->uri, mg_str("/api/login"), NULL) && u != NULL) {

src/dash.c

@@ -387,9 +387,10 @@ static struct mg_dash_user *mg_dash_authenticate(struct mg_http_message *hm,
                                                  struct mg_dash *dash) {
   static struct mg_dash_user *s_users;  // List of authenticated users
   char user[100], pass[100];
+  static struct mg_dash_user admin = {NULL, "admin", "admin", 9, (uint64_t) -1};
   struct mg_dash_user *u, *tmp, *result = NULL;
 
-  if (dash->authenticate == NULL) return NULL;
+  if (dash->authenticate == NULL) return &admin;
   mg_http_creds(hm, user, sizeof(user), pass, sizeof(pass));
   // MG_DEBUG(("user [%s], pass: [%s], h: %.*s", user, pass, hm->head.len,
   // hm->head.buf));
@@ -478,9 +479,7 @@ void mg_dash_ev_handler(struct mg_connection *c, int ev, void *ev_data) {
     if (mg_match(hm->uri, mg_str("/api/hi"), NULL) ||
         mg_match(hm->uri, mg_str("/api/logout"), NULL)) {
       // Do nothing, handle them MG_EV_HTTP_MSG. We bypass auth for those
-    } else if (dash->authenticate && u == NULL &&
+    } else if (u == NULL && mg_match(hm->uri, mg_str("/api/#"), NULL)) {
-               mg_match(hm->uri, mg_str("/api/#"), NULL)) {
-      // Auth check fail
       mg_http_reply(c, 403, MG_JSON_HEADERS, "Not Authorised\n");
       c->data[0] = CONN_HANDLED;
     } else if (mg_match(hm->uri, mg_str("/api/login"), NULL) && u != NULL) {

tutorials/device-dashboard/full/dashboard.c

@@ -3,6 +3,9 @@
 
 #include "mongoose.h"
 
+static struct mg_dash s_dash;
+static int authenticate(const char *user, const char *pass);
+
 // Action buttons
 static bool s_action1, s_action2;
 static uint64_t s_action2_timeout;
@@ -66,6 +69,7 @@ static struct mg_field_set set_metrics = {
 };
 
 // Read-write device settings
+static bool s_enable_login = false;
 static double s_volume = 17.2;
 static int s_log_level = MG_LL_DEBUG;
 static char s_name[20] = "Dublin";
@@ -76,6 +80,7 @@ static char s_ota_url[100] = "https://my-product.com/ota.json";
 
 static void write_settings(void) {
   mg_log_level = s_log_level;
+  s_dash.authenticate = s_enable_login ? authenticate : NULL;
 }
 
 static void read_settings(void) {
@@ -86,6 +91,7 @@ static struct mg_field fields_settings[] = {
     {"volume", MG_VAL_DBL, &s_volume, sizeof(s_volume)},
     {"name", MG_VAL_STR, &s_name, sizeof(s_name)},
     {"log_level", MG_VAL_INT, &s_log_level, sizeof(s_log_level)},
+    {"enable_login", MG_VAL_BOOL, &s_enable_login, sizeof(s_enable_login)},
     {"ota_version", MG_VAL_STR, &s_ota_version, sizeof(s_ota_version)},
     {"ota_status", MG_VAL_STR, &s_ota_status, sizeof(s_ota_status)},
     {"ota_url", MG_VAL_STR, &s_ota_url, sizeof(s_ota_url)},
@@ -182,24 +188,19 @@ static int authenticate(const char *user, const char *pass) {
 }
 
 void mg_dash_init(struct mg_mgr *mgr) {
-  static struct mg_dash dash;  // Important: keep it static!
+  MG_DASH_ADD_FIELD_SET(&s_dash, &set_leds);
-
+  MG_DASH_ADD_FIELD_SET(&s_dash, &set_metrics);
-  MG_DASH_ADD_FIELD_SET(&dash, &set_leds);
+  MG_DASH_ADD_FIELD_SET(&s_dash, &set_settings);
-  MG_DASH_ADD_FIELD_SET(&dash, &set_metrics);
+  MG_DASH_ADD_FIELD_SET(&s_dash, &set_graph1);
-  MG_DASH_ADD_FIELD_SET(&dash, &set_settings);
+  MG_DASH_ADD_FIELD_SET(&s_dash, &set_graph2);
-  MG_DASH_ADD_FIELD_SET(&dash, &set_graph1);
+  MG_DASH_ADD_FIELD_SET(&s_dash, &set_actions);
-  MG_DASH_ADD_FIELD_SET(&dash, &set_graph2);
-  MG_DASH_ADD_FIELD_SET(&dash, &set_actions);
 
   // Add two fake files - for demonstration
   mg_dash_file_add(mg_str("device-config.json"), 1234);
   mg_dash_file_add(mg_str("device-log-2026-04-25.txt"), 1327854);
 
-  // Require authentication
-  dash.authenticate = authenticate;
-
   mg_mem_files = mg_packed_files;
-  mg_http_listen(mgr, MG_HTTP_ADDR, mg_dash_ev_handler, &dash);
+  mg_http_listen(mgr, MG_HTTP_ADDR, mg_dash_ev_handler, &s_dash);
 }
 
 void mg_dash_poll(struct mg_mgr *mgr) {

tutorials/device-dashboard/full/dashboard.html

@@ -4,7 +4,7 @@
     <title>My Dashboard</title>
 
     <!-- Mongoose device dashboard -->
-    <script src="https://mongoose.ws/resources/dashboard.js?2"></script>
+    <script src="dashboard.js"></script>
     <script>
       Dashboard.init({
         debug: true,
@@ -14,7 +14,7 @@
           graph2: {data: [], report: true},
           actions: { action1: false, action2: false },
           leds: { led1: true, led2: false, led3: false },
-          settings: { volume: 12, log_level: 3, name: 'Galway', ota_version: '1.2.3', ota_status: 'No checks yet', ota_url: 'http://my-product.com/ota.json', ota_interval: 30 },
+          settings: { volume: 12, log_level: 3, name: 'Galway', enable_login: true, ota_version: '1.2.3', ota_status: 'No checks yet', ota_url: 'http://my-product.com/ota.json', ota_interval: 30 },
           metrics: { temperature: 1.2, cpu: 4, ram: 5, version: '1.2.3' },
           files: {data: [{name: 'device-log-2026-04-25.txt', size: 8625563}]},
         },
@@ -561,6 +561,10 @@ a, a:visited, a:link { text-decoration: none; }
                   <option value="4">Verbose (very noisy)</option>
                 </select>
               </div>
+              <div class="field">
+                <label class="field-label">Enable login</label>
+                <input type="checkbox" data-bind="settings.enable_login" class="toggle" />
+              </div>
             </div>
             <div class="panel-footer">
               <button class="btn btn-secondary" type="button" data-cancel="settings">