X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.c;h=0c5e7ef0297468b25bc0f9fac2109276856b345f;hb=0871c3095151bce6a4031a2662aa51b7193b855c;hp=7999b6fb08a28ef1146324f2890f11f93f43ff57;hpb=ce059e36fdb3d3049c278e8b2f36b03c93778996;p=tinc diff --git a/src/connection.c b/src/connection.c index 7999b6fb..0c5e7ef0 100644 --- a/src/connection.c +++ b/src/connection.c @@ -1,6 +1,6 @@ /* connection.c -- connection list management - Copyright (C) 2000-2012 Guus Sliepen , + Copyright (C) 2000-2013 Guus Sliepen , 2000-2005 Ivo Timmermans 2008 Max Rijevski @@ -21,93 +21,98 @@ #include "system.h" -#include "splay_tree.h" +#include "list.h" #include "cipher.h" #include "conf.h" #include "control_common.h" -#include "list.h" #include "logger.h" -#include "subnet.h" +#include "net.h" +#include "rsa.h" #include "utils.h" #include "xalloc.h" -splay_tree_t *connection_tree; /* Meta connections */ -connection_t *everyone; +list_t connection_list = { + .head = NULL, + .tail = NULL, + .count = 0, + .delete = (list_action_t) free_connection, +}; -static int connection_compare(const connection_t *a, const connection_t *b) { - return a < b ? -1 : a == b ? 0 : 1; -} +connection_t *everyone; 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) { - splay_delete_tree(connection_tree); + list_empty_list(&connection_list); + free_connection(everyone); + everyone = NULL; } connection_t *new_connection(void) { - return xmalloc_and_zero(sizeof(connection_t)); + return xzalloc(sizeof(connection_t)); } void free_connection(connection_t *c) { - if(!c) + if(!c) { return; + } - cipher_close(&c->incipher); - digest_close(&c->indigest); - cipher_close(&c->outcipher); - digest_close(&c->outdigest); +#ifndef DISABLE_LEGACY + cipher_close(c->incipher); + digest_close(c->indigest); + cipher_close(c->outcipher); + digest_close(c->outdigest); + rsa_free(c->rsa); +#endif sptps_stop(&c->sptps); - ecdsa_free(&c->ecdsa); - rsa_free(&c->rsa); + ecdsa_free(c->ecdsa); free(c->hischallenge); + free(c->mychallenge); buffer_clear(&c->inbuf); buffer_clear(&c->outbuf); - - if(event_initialized(&c->inevent)) - event_del(&c->inevent); - if(event_initialized(&c->outevent)) - event_del(&c->outevent); + io_del(&c->io); - if(c->socket > 0) - closesocket(c->socket); + if(c->socket > 0) { + if(c->status.tarpit) { + tarpit(c->socket); + } else { + closesocket(c->socket); + } + } free(c->name); free(c->hostname); - if(c->config_tree) + if(c->config_tree) { exit_configuration(&c->config_tree); + } free(c); } void connection_add(connection_t *c) { - splay_insert(connection_tree, c); + list_insert_tail(&connection_list, c); } void connection_del(connection_t *c) { - splay_delete(connection_tree, c); + list_delete(&connection_list, c); } 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; + for list_each(connection_t, c, &connection_list) { send_request(cdump, "%d %d %s %s %x %d %x", - CONTROL, REQ_DUMP_CONNECTIONS, - c->name, c->hostname, c->options, c->socket, - bitfield_to_int(&c->status, sizeof c->status)); + CONTROL, REQ_DUMP_CONNECTIONS, + c->name, c->hostname, c->options, c->socket, + bitfield_to_int(&c->status, sizeof(c->status))); } return send_request(cdump, "%d %d", CONTROL, REQ_DUMP_CONNECTIONS);