Fix potential segmentation fault on iOS.

[meshlink] / src / net_socket.c

diff --git a/src/net_socket.c b/src/net_socket.c
index eb9e3fc41f98fca0fe15bf8d0b998425e69553fd..7e05ab9362b4ecd9d6d81b268a25ff75d8f25f93 100644 (file)
--- a/src/net_socket.c
+++ b/src/net_socket.c
@@ -592,6 +592,20 @@ begin:
        io_add(&mesh->loop, &c->io, handle_meta_io, c, c->socket, IO_READ | IO_WRITE);
 }
 
+void reset_outgoing(outgoing_t *outgoing) {
+       if(outgoing->ai) {
+               if(outgoing->state == OUTGOING_RECENT || outgoing->state == OUTGOING_KNOWN) {
+                       free_known_addresses(outgoing->ai);
+               } else {
+                       freeaddrinfo(outgoing->ai);
+               }
+       }
+
+       outgoing->ai = NULL;
+       outgoing->aip = NULL;
+       outgoing->state = OUTGOING_START;
+}
+
 void setup_outgoing_connection(meshlink_handle_t *mesh, outgoing_t *outgoing) {
        timeout_del(&mesh->loop, &outgoing->ev);
 
@@ -602,16 +616,7 @@ void setup_outgoing_connection(meshlink_handle_t *mesh, outgoing_t *outgoing) {
                return;
        }
 
-
-       if(outgoing->ai) {
-               if(outgoing->state == OUTGOING_RECENT || outgoing->state == OUTGOING_KNOWN) {
-                       free_known_addresses(outgoing->ai);
-               } else {
-                       freeaddrinfo(outgoing->ai);
-               }
-       }
-
-       outgoing->state = OUTGOING_START;
+       reset_outgoing(outgoing);
 
        if(outgoing->node->status.blacklisted) {
                return;