X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.c;h=9587819d03e3d8bedf04890b8ad3bc526b9631ac;hb=3fba80174dbe29bcfe0d121a2a1d2e61be5ee57b;hp=9e5d145ea200295ae989c27bc1cb1d16a995e56f;hpb=56c36a14d87b58c14dbc48df4d3d977207e2c06e;p=tinc diff --git a/src/connection.c b/src/connection.c index 9e5d145e..9587819d 100644 --- a/src/connection.c +++ b/src/connection.c @@ -1,7 +1,8 @@ /* connection.c -- connection list management - Copyright (C) 2000-2004 Guus Sliepen , - 2000-2004 Ivo Timmermans + Copyright (C) 2000-2009 Guus Sliepen , + 2000-2005 Ivo Timmermans + 2008 Max Rijevski 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 @@ -13,131 +14,105 @@ 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 "splay_tree.h" +#include "cipher.h" #include "conf.h" +#include "control_common.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; +splay_tree_t *connection_tree; /* Meta connections */ +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(); - - 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")); +void init_connections(void) { + connection_tree = splay_alloc_tree((splay_compare_t) connection_compare, (splay_action_t) free_connection); + everyone = new_connection(); + everyone->name = xstrdup("everyone"); + everyone->hostname = xstrdup("BROADCAST"); } -void exit_connections(void) -{ - cp(); - - avl_delete_tree(connection_tree); - free_connection(broadcast); +void exit_connections(void) { + splay_delete_tree(connection_tree); + free_connection(everyone); } -connection_t *new_connection(void) -{ - connection_t *c; - - cp(); - - c = xmalloc_and_zero(sizeof(connection_t)); +connection_t *new_connection(void) { + return xmalloc_and_zero(sizeof(connection_t)); +} +void free_connection(connection_t *c) { if(!c) - return NULL; - - gettimeofday(&c->start, NULL); - - return c; -} + return; -void free_connection(connection_t *c) -{ - cp(); + if(c->name) + free(c->name); if(c->hostname) free(c->hostname); - if(c->inkey) - free(c->inkey); - - if(c->outkey) - free(c->outkey); + cipher_close(&c->incipher); + digest_close(&c->indigest); + cipher_close(&c->outcipher); + digest_close(&c->outdigest); - if(c->mychallenge) - free(c->mychallenge); + ecdh_free(&c->ecdh); + ecdsa_free(&c->ecdsa); + rsa_free(&c->rsa); if(c->hischallenge) free(c->hischallenge); - free(c); -} + if(c->config_tree) + exit_configuration(&c->config_tree); -void connection_add(connection_t *c) -{ - cp(); + buffer_clear(&c->inbuf); + buffer_clear(&c->outbuf); + + if(event_initialized(&c->inevent)) + event_del(&c->inevent); - avl_insert(connection_tree, c); -} + if(event_initialized(&c->outevent)) + event_del(&c->outevent); -void connection_del(connection_t *c) -{ - cp(); + if(c->socket > 0) + closesocket(c->socket); - avl_delete(connection_tree, c); + free(c); } -void dump_connections(void) -{ - avl_node_t *node; - connection_t *c; +void connection_add(connection_t *c) { + splay_insert(connection_tree, c); +} - cp(); +void connection_del(connection_t *c) { + splay_delete(connection_tree, c); +} - logger(LOG_DEBUG, _("Connections:")); +bool dump_connections(connection_t *cdump) { + splay_node_t *node; + connection_t *c; for(node = connection_tree->head; node; node = node->next) { c = node->data; - logger(LOG_DEBUG, _(" %s at %s options %lx socket %d status %04x"), - c->name, c->hostname, c->options, c->socket, *(uint32_t *)&c->status); + send_request(cdump, "%d %d %s at %s options %x socket %d status %04x", + CONTROL, REQ_DUMP_CONNECTIONS, + c->name, c->hostname, c->options, c->socket, + bitfield_to_int(&c->status, sizeof c->status)); } - 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; + return send_request(cdump, "%d %d", CONTROL, REQ_DUMP_CONNECTIONS); }