Fix: Re-implemented <no-mount>.

Closes: #2335

src/connection.c

@@ -1064,6 +1064,10 @@ static void _handle_get_request(client_t *client) {
                 }
             }
 
+            if (source->no_mount) {
+                client_send_error_by_id(client, ICECAST_ERROR_CON_MOUNT_NO_FOR_DIRECT_ACCESS);
+                break;
+            }
 
             /* Set max listening duration in case not already set. */
             if (client->con->discon_time == 0) {

src/errors.c

@@ -99,6 +99,9 @@ static const icecast_error_t __errors[] = {
     {.id = ICECAST_ERROR_CON_UPGRADE_ERROR,                             .http_status = 400 /* XXX */,
      .uuid = "ec16f654-f262-415f-ab91-95703ae33704",
      .message = "Can not upgrade protocol"},
+    {.id = ICECAST_ERROR_CON_MOUNT_NO_FOR_DIRECT_ACCESS,                .http_status = 400 /* XXX */,
+     .uuid = "652548c6-2a7d-4c73-a1c5-e53759032bd1",
+     .message = "Mountpoint is not available for direct access"},
     {.id = ICECAST_ERROR_FSERV_FILE_NOT_FOUND,                          .http_status = 404,
      .uuid = "18c32b43-0d8e-469d-b434-10133cdd06ad",
      .message = "The file you requested could not be found"},

src/errors.h

@@ -37,6 +37,7 @@ typedef enum {
     ICECAST_ERROR_CON_UNIMPLEMENTED,
     ICECAST_ERROR_CON_UNKNOWN_REQUEST,
     ICECAST_ERROR_CON_UPGRADE_ERROR,
+    ICECAST_ERROR_CON_MOUNT_NO_FOR_DIRECT_ACCESS,
     ICECAST_ERROR_FSERV_FILE_NOT_FOUND,
     ICECAST_ERROR_FSERV_FILE_NOT_READABLE,
     ICECAST_ERROR_FSERV_REQUEST_RANGE_NOT_SATISFIABLE,

src/source.c

@@ -1000,6 +1000,7 @@ static void source_apply_mount (ice_config_t *config, source_t *source, mount_pr
         source->max_listeners = mountinfo->max_listeners;
         source->fallback_override = mountinfo->fallback_override;
         source->hidden = mountinfo->hidden;
+        source->no_mount = mountinfo->no_mount;
     }
 
     /* if a setting is available in the mount details then use it, else

src/source.h

@@ -76,6 +76,7 @@ struct source_tag {
     int on_demand;
     int on_demand_req;
     int hidden;
+    int no_mount; // copy of mount_proxy->no_mount
     time_t last_read;
     int short_delay;