/*
connection.c -- connection list management
- Copyright (C) 2000-2009 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>
#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 a < b ? -1 : a == b ? 0 : 1;
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) {
avl_delete_tree(connection_tree);
- free_connection(broadcast);
+ free_connection(everyone);
}
connection_t *new_connection(void) {
return c;
}
-void free_connection(connection_t *c) {
- if(c->name)
- free(c->name);
-
- if(c->hostname)
- free(c->hostname);
-
- if(c->inkey)
- free(c->inkey);
-
- if(c->outkey)
- free(c->outkey);
+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->status.pinged = false;
+ c->status.active = false;
+ c->status.connecting = false;
+ c->status.timeout = false;
+ c->status.encryptout = false;
+ c->status.decryptin = false;
+ c->status.mst = false;
+
+ c->options = 0;
+ c->buflen = 0;
+ c->reqlen = 0;
+ c->tcplen = 0;
+ c->allow_request = 0;
+ c->outbuflen = 0;
+ c->outbufsize = 0;
+ c->outbufstart = 0;
+ c->last_ping_time = 0;
+ c->last_flushed_time = 0;
if(c->inctx) {
EVP_CIPHER_CTX_cleanup(c->inctx);
free(c->inctx);
+ c->inctx = NULL;
}
if(c->outctx) {
EVP_CIPHER_CTX_cleanup(c->outctx);
free(c->outctx);
+ c->outctx = NULL;
+ }
+
+ if(c->rsa_key) {
+ RSA_free(c->rsa_key);
+ c->rsa_key = NULL;
}
+}
- if(c->mychallenge)
- free(c->mychallenge);
+void free_connection(connection_t *c) {
+ free_connection_partially(c);
- if(c->hischallenge)
- free(c->hischallenge);
+ free(c->name);
+ free(c->hostname);
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);
}