/*
node.c -- node tree management
- Copyright (C) 2001-2011 Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2001-2016 Guus Sliepen <guus@tinc-vpn.org>,
2001-2005 Ivo Timmermans
This program is free software; you can redistribute it and/or modify
#include "utils.h"
#include "xalloc.h"
-avl_tree_t *node_tree; /* Known nodes, sorted by name */
-avl_tree_t *node_udp_tree; /* Known nodes, sorted by address and port */
+avl_tree_t *node_tree; /* Known nodes, sorted by name */
+avl_tree_t *node_udp_tree; /* Known nodes, sorted by address and port */
node_t *myself;
}
static int node_udp_compare(const node_t *a, const node_t *b) {
- return sockaddrcmp(&a->address, &b->address);
+ return sockaddrcmp(&a->address, &b->address);
}
void init_nodes(void) {
node_t *new_node(void) {
node_t *n = xmalloc_and_zero(sizeof(*n));
- if(replaywin) n->late = xmalloc_and_zero(replaywin);
+ if(replaywin) {
+ n->late = xmalloc_and_zero(replaywin);
+ }
+
n->subnet_tree = new_subnet_tree();
n->edge_tree = new_edge_tree();
- EVP_CIPHER_CTX_init(&n->inctx);
- EVP_CIPHER_CTX_init(&n->outctx);
+ n->inctx = EVP_CIPHER_CTX_new();
+ n->outctx = EVP_CIPHER_CTX_new();
+
+ if(!n->inctx || !n->outctx) {
+ abort();
+ }
+
n->mtu = MTU;
n->maxmtu = MTU;
}
void free_node(node_t *n) {
- if(n->inkey)
+ if(n->inkey) {
free(n->inkey);
+ }
- if(n->outkey)
+ if(n->outkey) {
free(n->outkey);
+ }
- if(n->subnet_tree)
+ if(n->subnet_tree) {
free_subnet_tree(n->subnet_tree);
+ }
- if(n->edge_tree)
+ if(n->edge_tree) {
free_edge_tree(n->edge_tree);
+ }
sockaddrfree(&n->address);
- EVP_CIPHER_CTX_cleanup(&n->inctx);
- EVP_CIPHER_CTX_cleanup(&n->outctx);
+ EVP_CIPHER_CTX_free(n->outctx);
+ EVP_CIPHER_CTX_free(n->inctx);
- if(n->mtuevent)
+ if(n->mtuevent) {
event_del(n->mtuevent);
-
- if(n->hostname)
+ }
+
+ if(n->hostname) {
free(n->hostname);
+ }
- if(n->name)
+ if(n->name) {
free(n->name);
+ }
- if(n->late)
+ if(n->late) {
free(n->late);
+ }
free(n);
}
}
node_t *lookup_node(char *name) {
- node_t n = {NULL};
+ node_t n = {};
n.name = name;
}
node_t *lookup_node_udp(const sockaddr_t *sa) {
- node_t n = {NULL};
+ node_t n = {};
n.address = *sa;
n.name = NULL;
avl_delete(node_udp_tree, n);
- if(n->hostname)
+ if(n->hostname) {
free(n->hostname);
+ }
if(sa) {
n->address = *sa;
avl_insert(node_udp_tree, n);
ifdebug(PROTOCOL) logger(LOG_DEBUG, "UDP address of %s set to %s", n->name, n->hostname);
} else {
- memset(&n->address, 0, sizeof n->address);
+ memset(&n->address, 0, sizeof(n->address));
n->hostname = NULL;
ifdebug(PROTOCOL) logger(LOG_DEBUG, "UDP address of %s cleared", n->name);
}
for(node = node_tree->head; node; node = node->next) {
n = node->data;
logger(LOG_DEBUG, " %s at %s cipher %d digest %d maclength %d compression %d options %x status %04x nexthop %s via %s pmtu %d (min %d max %d)",
- n->name, n->hostname, n->outcipher ? n->outcipher->nid : 0,
- n->outdigest ? n->outdigest->type : 0, n->outmaclength, n->outcompression,
- n->options, bitfield_to_int(&n->status, sizeof n->status), n->nexthop ? n->nexthop->name : "-",
- n->via ? n->via->name : "-", n->mtu, n->minmtu, n->maxmtu);
+ n->name, n->hostname, n->outcipher ? EVP_CIPHER_nid(n->outcipher) : 0,
+ n->outdigest ? EVP_MD_type(n->outdigest) : 0, n->outmaclength, n->outcompression,
+ n->options, bitfield_to_int(&n->status, sizeof(n->status)), n->nexthop ? n->nexthop->name : "-",
+ n->via ? n->via->name : "-", n->mtu, n->minmtu, n->maxmtu);
}
logger(LOG_DEBUG, "End of nodes.");