Preload all Subnets in TunnelServer mode.
[tinc] / src / connection.c
index b9a3c23..6229e79 100644 (file)
@@ -1,7 +1,8 @@
 /*
     connection.c -- connection list management
-    Copyright (C) 2000-2002 Guus Sliepen <guus@sliepen.eu.org>,
-                  2000-2002 Ivo Timmermans <ivo@o2w.nl>
+    Copyright (C) 2000-2009 Guus Sliepen <guus@tinc-vpn.org>,
+                  2000-2005 Ivo Timmermans
+                  2008      Max Rijevski <maksuf@gmail.com>
 
     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
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id: connection.c,v 1.1.2.35 2002/09/10 22:12:33 guus Exp $
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "config.h"
-
-#include <stdio.h>
-#include <syslog.h>
-#include <string.h>
-#include <sys/time.h>
-
-#include <avl_tree.h>
-#include <list.h>
+#include "system.h"
 
+#include "avl_tree.h"
+#include "conf.h"
+#include "list.h"
+#include "logger.h"
 #include "net.h"                               /* Don't ask. */
 #include "netutl.h"
-#include "conf.h"
-#include <utils.h>
 #include "subnet.h"
-
+#include "utils.h"
 #include "xalloc.h"
-#include "system.h"
 
 avl_tree_t *connection_tree;   /* Meta connections */
 connection_t *broadcast;
 
-int connection_compare(connection_t *a, connection_t *b)
-{
-       return a - b;
+static int connection_compare(const connection_t *a, const connection_t *b) {
+       return a < b ? -1 : a == b ? 0 : 1;
 }
 
-void init_connections(void)
-{
-       cp();
-
-       connection_tree = avl_alloc_tree((avl_compare_t) connection_compare, NULL);
+void init_connections(void) {
+       connection_tree = avl_alloc_tree((avl_compare_t) connection_compare, (avl_action_t) free_connection);
        broadcast = new_connection();
-       broadcast->name = xstrdup(_("everyone"));
-       broadcast->hostname = xstrdup(_("BROADCAST"));
+       broadcast->name = xstrdup("everyone");
+       broadcast->hostname = xstrdup("BROADCAST");
 }
 
-void exit_connections(void)
-{
-       cp();
-
+void exit_connections(void) {
        avl_delete_tree(connection_tree);
        free_connection(broadcast);
 }
 
-connection_t *new_connection(void)
-{
+connection_t *new_connection(void) {
        connection_t *c;
 
-       cp();
-
-       c = (connection_t *) xmalloc_and_zero(sizeof(connection_t));
+       c = xmalloc_and_zero(sizeof(connection_t));
 
        if(!c)
                return NULL;
@@ -81,9 +63,9 @@ connection_t *new_connection(void)
        return c;
 }
 
-void free_connection(connection_t *c)
-{
-       cp();
+void free_connection(connection_t *c) {
+       if(c->name)
+               free(c->name);
 
        if(c->hostname)
                free(c->hostname);
@@ -94,55 +76,63 @@ void free_connection(connection_t *c)
        if(c->outkey)
                free(c->outkey);
 
+       if(c->inctx) {
+               EVP_CIPHER_CTX_cleanup(c->inctx);
+               free(c->inctx);
+       }
+
+       if(c->outctx) {
+               EVP_CIPHER_CTX_cleanup(c->outctx);
+               free(c->outctx);
+       }
+
        if(c->mychallenge)
                free(c->mychallenge);
 
        if(c->hischallenge)
                free(c->hischallenge);
 
+       if(c->config_tree)
+               exit_configuration(&c->config_tree);
+
+       if(c->outbuf)
+               free(c->outbuf);
+
+       if(c->rsa_key)
+               RSA_free(c->rsa_key);
+
        free(c);
 }
 
-void connection_add(connection_t *c)
-{
-       cp();
-
+void connection_add(connection_t *c) {
        avl_insert(connection_tree, c);
 }
 
-void connection_del(connection_t *c)
-{
-       cp();
-
+void connection_del(connection_t *c) {
        avl_delete(connection_tree, c);
 }
 
-void dump_connections(void)
-{
+void dump_connections(void) {
        avl_node_t *node;
        connection_t *c;
 
-       cp();
-
-       syslog(LOG_DEBUG, _("Connections:"));
+       logger(LOG_DEBUG, "Connections:");
 
        for(node = connection_tree->head; node; node = node->next) {
-               c = (connection_t *) node->data;
-               syslog(LOG_DEBUG, _(" %s at %s options %lx socket %d status %04x"),
-                          c->name, c->hostname, c->options, c->socket, c->status);
+               c = node->data;
+               logger(LOG_DEBUG, " %s at %s options %x socket %d status %04x outbuf %d/%d/%d",
+                          c->name, c->hostname, c->options, c->socket, bitfield_to_int(&c->status, sizeof c->status),
+                          c->outbufsize, c->outbufstart, c->outbuflen);
        }
 
-       syslog(LOG_DEBUG, _("End of connections."));
+       logger(LOG_DEBUG, "End of connections.");
 }
 
-int read_connection_config(connection_t *c)
-{
+bool read_connection_config(connection_t *c) {
        char *fname;
-       int x;
-
-       cp();
+       bool x;
 
-       asprintf(&fname, "%s/hosts/%s", confbase, c->name);
+       xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
        x = read_config_file(c->config_tree, fname);
        free(fname);