X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.c;h=720f081a187820239ca71dfe3d41f016c62cf77f;hp=5cf5d967aa0faec6aeba736d37af21059f6d2761;hb=3fae14fae5a347823679ef694ab630b4991a201d;hpb=de78d79db84c486afcc353884ec1770866beb653 diff --git a/src/node.c b/src/node.c index 5cf5d967..720f081a 100644 --- a/src/node.c +++ b/src/node.c @@ -1,6 +1,6 @@ /* node.c -- node tree management - Copyright (C) 2001-2006 Guus Sliepen , + Copyright (C) 2001-2016 Guus Sliepen , 2001-2005 Ivo Timmermans This program is free software; you can redistribute it and/or modify @@ -13,11 +13,9 @@ 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" @@ -30,109 +28,101 @@ #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_compare(const node_t *a, const node_t *b) -{ +static int node_compare(const node_t *a, const node_t *b) { return strcmp(a->name, b->name); } -static int node_udp_compare(const node_t *a, const node_t *b) -{ - int result; - - cp(); - - result = sockaddrcmp(&a->address, &b->address); - - if(result) - return result; - - return (a->name && b->name) ? strcmp(a->name, b->name) : 0; +static int node_udp_compare(const node_t *a, const node_t *b) { + return sockaddrcmp(&a->address, &b->address); } -void init_nodes(void) -{ - cp(); - +void init_nodes(void) { node_tree = avl_alloc_tree((avl_compare_t) node_compare, (avl_action_t) free_node); node_udp_tree = avl_alloc_tree((avl_compare_t) node_udp_compare, NULL); } -void exit_nodes(void) -{ - cp(); - +void exit_nodes(void) { avl_delete_tree(node_udp_tree); avl_delete_tree(node_tree); } -node_t *new_node(void) -{ +node_t *new_node(void) { node_t *n = xmalloc_and_zero(sizeof(*n)); - cp(); + if(replaywin) { + n->late = xmalloc_and_zero(replaywin); + } n->subnet_tree = new_subnet_tree(); n->edge_tree = new_edge_tree(); - n->queue = list_alloc((list_action_t) free); - EVP_CIPHER_CTX_init(&n->packet_ctx); + n->inctx = EVP_CIPHER_CTX_new(); + n->outctx = EVP_CIPHER_CTX_new(); + + if(!n->inctx || !n->outctx) { + abort(); + } + n->mtu = MTU; n->maxmtu = MTU; return n; } -void free_node(node_t *n) -{ - cp(); - - if(n->queue) - list_delete_list(n->queue); - - if(n->name) - free(n->name); - - if(n->hostname) - free(n->hostname); +void free_node(node_t *n) { + if(n->inkey) { + free(n->inkey); + } - if(n->key) - free(n->key); + 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->packet_ctx); + 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) { + free(n->hostname); + } + + if(n->name) { + free(n->name); + } + + if(n->late) { + free(n->late); + } + free(n); } -void node_add(node_t *n) -{ - cp(); - +void node_add(node_t *n) { avl_insert(node_tree, n); } -void node_del(node_t *n) -{ +void node_del(node_t *n) { avl_node_t *node, *next; edge_t *e; subnet_t *s; - cp(); - for(node = n->subnet_tree->head; node; node = next) { next = node->next; s = node->data; @@ -145,25 +135,20 @@ void node_del(node_t *n) edge_del(e); } + avl_delete(node_udp_tree, n); avl_delete(node_tree, n); } -node_t *lookup_node(char *name) -{ - node_t n = {0}; +node_t *lookup_node(char *name) { + node_t n = {NULL}; - cp(); - n.name = name; return avl_search(node_tree, &n); } -node_t *lookup_node_udp(const sockaddr_t *sa) -{ - node_t n = {0}; - - cp(); +node_t *lookup_node_udp(const sockaddr_t *sa) { + node_t n = {NULL}; n.address = *sa; n.name = NULL; @@ -171,23 +156,44 @@ node_t *lookup_node_udp(const sockaddr_t *sa) return avl_search(node_udp_tree, &n); } -void dump_nodes(void) -{ +void update_node_udp(node_t *n, const sockaddr_t *sa) { + if(n == myself) { + logger(LOG_WARNING, "Trying to update UDP address of myself!"); + return; + } + + avl_delete(node_udp_tree, n); + + if(n->hostname) { + free(n->hostname); + } + + if(sa) { + n->address = *sa; + n->hostname = sockaddr2hostname(&n->address); + 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)); + n->hostname = NULL; + ifdebug(PROTOCOL) logger(LOG_DEBUG, "UDP address of %s cleared", n->name); + } +} + +void dump_nodes(void) { avl_node_t *node; node_t *n; - cp(); - - logger(LOG_DEBUG, _("Nodes:")); + logger(LOG_DEBUG, "Nodes:"); 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 %lx status %04x nexthop %s via %s pmtu %d (min %d max %d)"), - n->name, n->hostname, n->cipher ? n->cipher->nid : 0, - n->digest ? n->digest->type : 0, n->maclength, n->compression, - n->options, *(uint32_t *)&n->status, n->nexthop ? n->nexthop->name : "-", - n->via ? n->via->name : "-", n->mtu, n->minmtu, n->maxmtu); + 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 ? 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.")); + logger(LOG_DEBUG, "End of nodes."); }