X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.c;h=9587819d03e3d8bedf04890b8ad3bc526b9631ac;hb=3fba80174dbe29bcfe0d121a2a1d2e61be5ee57b;hp=7c8cd0ba83e3c326a47505f8f8cd175403926bfe;hpb=a227843b739d279b63adcf3736ebb03d856080c4;p=tinc diff --git a/src/connection.c b/src/connection.c index 7c8cd0ba..9587819d 100644 --- a/src/connection.c +++ b/src/connection.c @@ -2,6 +2,7 @@ connection.c -- connection list management 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 @@ -20,73 +21,57 @@ #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 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")); + 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) { - avl_delete_tree(connection_tree); - free_connection(broadcast); + splay_delete_tree(connection_tree); + free_connection(everyone); } connection_t *new_connection(void) { - connection_t *c; - - c = xmalloc_and_zero(sizeof(connection_t)); - - if(!c) - return NULL; - - gettimeofday(&c->start, NULL); - - return c; + return xmalloc_and_zero(sizeof(connection_t)); } void free_connection(connection_t *c) { + if(!c) + return; + if(c->name) free(c->name); if(c->hostname) free(c->hostname); - if(c->inkey) - free(c->inkey); + cipher_close(&c->incipher); + digest_close(&c->indigest); + cipher_close(&c->outcipher); + digest_close(&c->outdigest); - if(c->outkey) - free(c->outkey); - - if(c->inctx) { - EVP_CIPHER_CTX_cleanup(c->inctx); - free(c->inctx); - } - - if(c->outctx) { - EVP_CIPHER_CTX_cleanup(c->outctx); - free(c->outctx); - } - - if(c->mychallenge) - free(c->mychallenge); + ecdh_free(&c->ecdh); + ecdsa_free(&c->ecdsa); + rsa_free(&c->rsa); if(c->hischallenge) free(c->hischallenge); @@ -94,46 +79,40 @@ void free_connection(connection_t *c) { if(c->config_tree) exit_configuration(&c->config_tree); - if(c->outbuf) - free(c->outbuf); + buffer_clear(&c->inbuf); + buffer_clear(&c->outbuf); + + if(event_initialized(&c->inevent)) + event_del(&c->inevent); - if(c->rsa_key) - RSA_free(c->rsa_key); + if(event_initialized(&c->outevent)) + event_del(&c->outevent); + + if(c->socket > 0) + closesocket(c->socket); free(c); } void connection_add(connection_t *c) { - avl_insert(connection_tree, c); + splay_insert(connection_tree, c); } void connection_del(connection_t *c) { - avl_delete(connection_tree, c); + splay_delete(connection_tree, c); } -void dump_connections(void) { - avl_node_t *node; +bool dump_connections(connection_t *cdump) { + splay_node_t *node; connection_t *c; - logger(LOG_DEBUG, _("Connections:")); - for(node = connection_tree->head; node; node = node->next) { c = node->data; - logger(LOG_DEBUG, _(" %s at %s options %lx 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); + 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; - - xasprintf(&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); }