X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconnection.c;h=9b752fadaa3d1b292e36702c933ffbcf08897bf5;hp=53c0fd04fd5ed017c8317185cf75ec487e239165;hb=afe4bf62eccab76c75e5a661fb2c16f1391a8417;hpb=480dd127c8a539036ff82a3810a0ad83136944f8

diff --git a/src/connection.c b/src/connection.c
index 53c0fd04..9b752fad 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -1,7 +1,8 @@
 /*
     connection.c -- connection list management
-    Copyright (C) 2000-2007 Guus Sliepen <guus@tinc-vpn.org>,
+    Copyright (C) 2000-2012 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
@@ -13,57 +14,42 @@
     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.
-
-    $Id$
+    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 "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 "subnet.h"
 #include "utils.h"
 #include "xalloc.h"
 
 avl_tree_t *connection_tree;	/* Meta connections */
-connection_t *broadcast;
+connection_t *everyone;
 
-static int connection_compare(const connection_t *a, const connection_t *b)
-{
-	return (void *)a - (void *)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();
-
+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"));
+	everyone = new_connection();
+	everyone->name = xstrdup("everyone");
+	everyone->hostname = xstrdup("BROADCAST");
 }
 
-void exit_connections(void)
-{
-	cp();
-
+void exit_connections(void) {
 	avl_delete_tree(connection_tree);
-	free_connection(broadcast);
+	free_connection(everyone);
 }
 
-connection_t *new_connection(void)
-{
+connection_t *new_connection(void) {
 	connection_t *c;
 
-	cp();
-
 	c = xmalloc_and_zero(sizeof(connection_t));
 
 	if(!c)
@@ -74,74 +60,77 @@ connection_t *new_connection(void)
 	return c;
 }
 
-void free_connection(connection_t *c)
-{
-	cp();
-
-	if(c->name)
-		free(c->name);
+void free_connection_partially(connection_t *c) {
+	free(c->inkey);
+	free(c->outkey);
+	free(c->mychallenge);
+	free(c->hischallenge);
+	free(c->outbuf);
+
+	c->inkey = NULL;
+	c->outkey = NULL;
+	c->mychallenge = NULL;
+	c->hischallenge = NULL;
+	c->outbuf = NULL;
+
+	c->buflen = 0;
+	c->reqlen = 0;
+	c->tcplen = 0;
+	c->allow_request = 0;
+	c->outbuflen = 0;
+	c->outbufsize = 0;
+	c->outbufstart = 0;
+
+	if(c->inctx) {
+		EVP_CIPHER_CTX_cleanup(c->inctx);
+		free(c->inctx);
+		c->inctx = NULL;
+	}
 
-	if(c->hostname)
-		free(c->hostname);
+	if(c->outctx) {
+		EVP_CIPHER_CTX_cleanup(c->outctx);
+		free(c->outctx);
+		c->outctx = NULL;
+	}
 
-	if(c->inkey)
-		free(c->inkey);
+	if(c->rsa_key) {
+		RSA_free(c->rsa_key);
+		c->rsa_key = NULL;
+	}
+}
 
-	if(c->outkey)
-		free(c->outkey);
+void free_connection(connection_t *c) {
+	free_connection_partially(c);
 
-	if(c->mychallenge)
-		free(c->mychallenge);
+	free(c->name);
+	free(c->hostname);
 
-	if(c->hischallenge)
-		free(c->hischallenge);
+	if(c->config_tree)
+		exit_configuration(&c->config_tree);
 
 	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();
-
-	logger(LOG_DEBUG, _("Connections:"));
+	logger(LOG_DEBUG, "Connections:");
 
 	for(node = connection_tree->head; node; node = node->next) {
 		c = node->data;
-		logger(LOG_DEBUG, _(" %s at %s options %lx socket %d status %04x outbuf %d/%d/%d"),
-			   c->name, c->hostname, c->options, c->socket, c->status.value,
+		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);
 	}
 
-	logger(LOG_DEBUG, _("End of connections."));
-}
-
-bool read_connection_config(connection_t *c)
-{
-	char *fname;
-	int x;
-
-	cp();
-
-	asprintf(&fname, "%s/hosts/%s", confbase, c->name);
-	x = read_config_file(c->config_tree, fname);
-	free(fname);
-
-	return x == 0;
+	logger(LOG_DEBUG, "End of connections.");
 }