Convert Port to numeric form before sending it to other nodes.

[tinc] / src / protocol_auth.c

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 24f591a..98d5b61 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -1,7 +1,7 @@
 /*
     protocol_auth.c -- handle the meta-protocol, authentication
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2010 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -453,9 +453,14 @@ bool send_ack(connection_t *c) {
        if(myself->options & OPTION_PMTU_DISCOVERY)
                c->options |= OPTION_PMTU_DISCOVERY;
 
+       choice = myself->options & OPTION_CLAMP_MSS;
+       get_config_bool(lookup_config(c->config_tree, "ClampMSS"), &choice);
+       if(choice)
+               c->options |= OPTION_CLAMP_MSS;
+
        get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight);
 
-       return send_request(c, "%d %s %d %lx", ACK, myport, c->estimated_weight, c->options);
+       return send_request(c, "%d %s %d %x", ACK, myport, c->estimated_weight, c->options);
 }
 
 static void send_everything(connection_t *c) {
@@ -492,12 +497,13 @@ static void send_everything(connection_t *c) {
 
 bool ack_h(connection_t *c) {
        char hisport[MAX_STRING_SIZE];
-       char *hisaddress, *dummy;
+       char *hisaddress;
        int weight, mtu;
-       long int options;
+       uint32_t options;
        node_t *n;
+       bool choice;
 
-       if(sscanf(c->buffer, "%*d " MAX_STRING " %d %lx", hisport, &weight, &options) != 3) {
+       if(sscanf(c->buffer, "%*d " MAX_STRING " %d %x", hisport, &weight, &options) != 3) {
                logger(LOG_ERR, "Got bad %s from %s (%s)", "ACK", c->name,
                           c->hostname);
                return false;
@@ -536,6 +542,13 @@ bool ack_h(connection_t *c) {
        if(get_config_int(lookup_config(myself->connection->config_tree, "PMTU"), &mtu) && mtu < n->mtu)
                n->mtu = mtu;
 
+       if(get_config_bool(lookup_config(c->config_tree, "ClampMSS"), &choice)) {
+               if(choice)
+                       c->options |= OPTION_CLAMP_MSS;
+               else
+                       c->options &= ~OPTION_CLAMP_MSS;
+       }
+
        /* Activate this connection */
 
        c->allow_request = ALL;
@@ -553,10 +566,9 @@ bool ack_h(connection_t *c) {
        c->edge = new_edge();
        c->edge->from = myself;
        c->edge->to = n;
-       sockaddr2str(&c->address, &hisaddress, &dummy);
+       sockaddr2str(&c->address, &hisaddress, NULL);
        c->edge->address = str2sockaddr(hisaddress, hisport);
        free(hisaddress);
-       free(dummy);
        c->edge->weight = (weight + c->estimated_weight) / 2;
        c->edge->connection = c;
        c->edge->options = c->options;