/*
connection.c -- connection list management
- Copyright (C) 2000-2012 Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2000-2016 Guus Sliepen <guus@tinc-vpn.org>,
2000-2005 Ivo Timmermans
2008 Max Rijevski <maksuf@gmail.com>
#include "utils.h"
#include "xalloc.h"
-avl_tree_t *connection_tree; /* Meta connections */
+avl_tree_t *connection_tree; /* Meta connections */
connection_t *everyone;
static int connection_compare(const connection_t *a, const connection_t *b) {
c = xmalloc_and_zero(sizeof(connection_t));
- if(!c)
+ if(!c) {
return NULL;
+ }
gettimeofday(&c->start, NULL);
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;
+ c->inbudget = 0;
+ c->outbudget = 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->mychallenge)
- free(c->mychallenge);
-
- if(c->hischallenge)
- free(c->hischallenge);
+ if(c->rsa_key) {
+ RSA_free(c->rsa_key);
+ c->rsa_key = NULL;
+ }
+}
- if(c->config_tree)
- exit_configuration(&c->config_tree);
+void free_connection(connection_t *c) {
+ free_connection_partially(c);
- if(c->outbuf)
- free(c->outbuf);
+ free(c->name);
+ free(c->hostname);
- if(c->rsa_key)
- RSA_free(c->rsa_key);
+ if(c->config_tree) {
+ exit_configuration(&c->config_tree);
+ }
free(c);
}
for(node = connection_tree->head; node; node = node->next) {
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);
+ 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.");