Merge pull request #7 from speidy/master

libxrdp: work on multimon

common/xrdp_client_info.h

@@ -21,6 +21,15 @@
 #if !defined(XRDP_CLIENT_INFO_H)
 #define XRDP_CLIENT_INFO_H
 
+struct monitor_info
+{
+  int left;
+  int top;
+  int right;
+  int bottom;
+  int is_primary;
+};
+
 struct xrdp_client_info
 {
   int size; /* bytes for this structure */
@@ -99,7 +108,7 @@ struct xrdp_client_info
 
   int nego_sec_layer; /* 0, 1, 2 = RDP security layer, TLS , Negotiate */
   int multimon; /* 0 = deny , 1 = allow */
-
+  struct monitor_info minfo[16]; /* client monitor data */
 };
 
 #endif

libxrdp/libxrdp.h

@@ -61,16 +61,6 @@ struct mcs_channel_item
   int chanid;
 };
 
-/* used in mcs - client monitor data */
-struct mcs_monitor_item
-{
-	int left;
-	int top;
-	int right;
-	int bottom;
-	int is_primary;
-};
-
 /* mcs */
 struct xrdp_mcs
 {
@@ -81,7 +71,6 @@ struct xrdp_mcs
   struct stream* client_mcs_data;
   struct stream* server_mcs_data;
   struct list* channel_list;
-  struct list* monitor_list;
 };
 
 /* sec */

libxrdp/xrdp_mcs.c

@@ -38,7 +38,6 @@ xrdp_mcs_create(struct xrdp_sec *owner, struct trans *trans,
     self->server_mcs_data = server_mcs_data;
     self->iso_layer = xrdp_iso_create(self, trans);
     self->channel_list = list_create();
-    self->monitor_list = list_create();
     DEBUG(("  out xrdp_mcs_create"));
     return self;
 }
@@ -48,7 +47,6 @@ void APP_CC
 xrdp_mcs_delete(struct xrdp_mcs *self)
 {
     struct mcs_channel_item *channel_item;
-    struct mcs_monitor_item *monitor_item;
     int index;
     int count;
 
@@ -69,18 +67,6 @@ xrdp_mcs_delete(struct xrdp_mcs *self)
 
     list_delete(self->channel_list);
 
-    /* here we have to free the monitor items and anything in them */
-    count = self->monitor_list->count;
-
-    for (index = count - 1; index >= 0; index--)
-    {
-        monitor_item = (struct mcs_monitor_item *)
-                       list_get_item(self->monitor_list, index);
-        g_free(monitor_item);
-    }
-
-    list_delete(self->monitor_list);
-
     xrdp_iso_delete(self->iso_layer);
     /* make sure we get null pointer exception if struct is used again. */
     DEBUG(("xrdp_mcs_delete processed"))

libxrdp/xrdp_sec.c

@@ -959,7 +959,9 @@ xrdp_sec_process_mcs_data_monitors(struct xrdp_sec *self, struct stream *s)
     int index;
     int monitorCount;
     int flags;
-    struct mcs_monitor_item *monitor_item;
+    struct xrdp_client_info *client_info = (struct xrdp_client_info *)NULL;
+
+    client_info = &(self->rdp_layer->client_info);
 
     DEBUG(("processing monitors data, allow_multimon is %d", self->multimon));
     /* this is an option set in xrdp.ini */
@@ -975,7 +977,7 @@ xrdp_sec_process_mcs_data_monitors(struct xrdp_sec *self, struct stream *s)
     {
         DEBUG(("[ERROR] xrdp_sec_process_mcs_data_monitors: flags MUST be "
                "zero, detected: %d", flags));
-        return 0;
+        return 1;
     }
     in_uint32_le(s, monitorCount);
     //verify monitorCount - max 16
@@ -983,24 +985,23 @@ xrdp_sec_process_mcs_data_monitors(struct xrdp_sec *self, struct stream *s)
     {
         DEBUG(("[ERROR] xrdp_sec_process_mcs_data_monitors: max allowed "
                "monitors is 16, detected: %d", monitorCount));
-        return 0;
+        return 1;
     }
+
+    g_writeln("monitorCount= %d", monitorCount); // for debugging only
+
+    /* Add client_monitor_data to client_info struct, will later pass to X11rdp */
     for (index = 0; index < monitorCount; index++)
     {
-        monitor_item = (struct mcs_monitor_item *)
+        in_uint32_le(s, client_info->minfo->left);
-                       g_malloc(sizeof(struct mcs_monitor_item), 1);
+        in_uint32_le(s, client_info->minfo->top);
-        in_uint32_le(s, monitor_item->left);
+        in_uint32_le(s, client_info->minfo->right);
-        in_uint32_le(s, monitor_item->top);
+        in_uint32_le(s, client_info->minfo->bottom);
-        in_uint32_le(s, monitor_item->right);
+        in_uint32_le(s, client_info->minfo->is_primary);
-        in_uint32_le(s, monitor_item->bottom);
-        in_uint32_le(s, monitor_item->is_primary);
-        list_add_item(self->mcs_layer->monitor_list, (long)monitor_item);
-        DEBUG(("got monitor: left: %d, top: %d, right: %d, bottom: %d, is "
-               "primary: %d", monitor_item->left, monitor_item->top,
-               monitor_item->right, monitor_item->bottom,
-               monitor_item->is_primary));
-    }
 
+        g_writeln("got a monitor: left= %d, top= %d, right= %d, bottom= %d, is_primary?= %d", client_info->minfo->left,
+            client_info->minfo->top, client_info->minfo->right, client_info->minfo->bottom, client_info->minfo->is_primary);
+    }
     return 0;
 }
 /*****************************************************************************/
@@ -1052,7 +1053,10 @@ xrdp_sec_process_mcs_data(struct xrdp_sec *self)
             case SEC_TAG_CLI_4:
                 break;
             case SEC_TAG_CLI_MONITOR:
-                xrdp_sec_process_mcs_data_monitors(self, s);
+                if (xrdp_sec_process_mcs_data_monitors(self, s) != 0)
+                {
+                    return 1;
+                }
                 break;
             default:
                 g_writeln("error unknown xrdp_sec_process_mcs_data tag %d size %d",
@@ -1210,7 +1214,6 @@ xrdp_sec_in_mcs_data(struct xrdp_sec *self)
         client_info->hostname[index] = c;
         index++;
     }
-
     /* get build */
     s->p = s->data;
     if (!s_check_rem(s, 43 + 4))