X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.c;h=0e61132c9182a637278b8fe87053962ef23481a8;hb=c2dc3784f127ef6db6e9960a4abecc1aab6f4e31;hp=dee0472a2ac2b82c5d357ebf09fc6cbebbdfbb60;hpb=408ca91766088b6c2d38e198b0692bf394b41248;p=tinc diff --git a/src/connection.c b/src/connection.c index dee0472a..0e61132c 100644 --- a/src/connection.c +++ b/src/connection.c @@ -1,7 +1,8 @@ /* connection.c -- connection list management - Copyright (C) 2000 Guus Sliepen , - 2000 Ivo Timmermans + Copyright (C) 2000-2013 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 @@ -13,168 +14,92 @@ 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: connection.c,v 1.1.2.1 2000/11/20 19:12:11 guus Exp $ + 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 "config.h" - -#include -#include - -#include +#include "system.h" -#include "net.h" /* Don't ask. */ -#include "netutl.h" -#include "config.h" +#include "list.h" +#include "cipher.h" #include "conf.h" -#include - +#include "control_common.h" +#include "list.h" +#include "logger.h" +#include "rsa.h" +#include "subnet.h" +#include "utils.h" #include "xalloc.h" -#include "system.h" -/* Root of the connection list */ +list_t *connection_list; +connection_t *everyone; -rbltree_t *connection_tree; -connection_t *myself = NULL; - -/* Initialization and callbacks */ +void init_connections(void) { + connection_list = list_alloc((list_action_t) free_connection); + everyone = new_connection(); + everyone->name = xstrdup("everyone"); + everyone->hostname = xstrdup("BROADCAST"); +} -int connection_compare(connection_t *a, connection_t *b) -{ - return strcmp(a->name, b->name); +void exit_connections(void) { + list_delete_list(connection_list); + free_connection(everyone); } -void init_connections(void) -{ - connection_tree = new_rbltree((rbl_compare_t)connection_compare, (rbl_action_t)free_connection); +connection_t *new_connection(void) { + return xzalloc(sizeof(connection_t)); } -/* Creation and deletion of connection elements */ +void free_connection(connection_t *c) { + if(!c) + return; -connection_t *new_connection(void) -{ - connection_t *p = (connection_t *)xmalloc(sizeof(*p)); -cp - /* initialise all those stupid pointers at once */ - memset(p, '\0', sizeof(*p)); -cp - return p; -} +#ifndef DISABLE_LEGACY + cipher_close(c->incipher); + digest_close(c->indigest); + cipher_close(c->outcipher); + digest_close(c->outdigest); + rsa_free(c->rsa); +#endif -void free_connection(connection_t *p) -{ -cp - if(p->sq) - destroy_queue(p->sq); - if(p->rq) - destroy_queue(p->rq); - if(p->name && p->name!=unknown) - free(p->name); - if(p->hostname) - free(p->hostname); - if(p->rsa_key) - RSA_free(p->rsa_key); - if(p->cipher_pktkey) - free(p->cipher_pktkey); - if(p->buffer) - free(p->buffer); - if(p->config) - clear_config(&p->config); - free(p); -cp -} + sptps_stop(&c->sptps); + ecdsa_free(c->ecdsa); -/* - remove all marked connections -*/ -void prune_connection_tree(void) -{ - rbl_t *rbl; - connection_t *cl; -cp - RBL_FOREACH(connection_tree, rbl) - { - cl = (connection_t *) rbl->data; - if(cl->status.remove) - connection_del(cl); - } -cp -} + free(c->hischallenge); -/* - free all elements of connection -*/ -void destroy_connection_tree(void) -{ -cp - rbl_delete_rbltree(connection_tree); -cp -} + buffer_clear(&c->inbuf); + buffer_clear(&c->outbuf); -/* Linked list management */ + io_del(&c->io); -void connection_add(connection_t *cl) -{ -cp - rbl_insert(connection_tree, cl); -cp -} + if(c->socket > 0) + closesocket(c->socket); -void connection_del(connection_t *cl) -{ -cp - rbl_delete(connection_tree, cl); -cp -} + free(c->name); + free(c->hostname); -/* Lookup functions */ + if(c->config_tree) + exit_configuration(&c->config_tree); -connection_t *lookup_id(char *name) -{ - connection_t cl; -cp - cl.name = name; - return rbl_search(connection_tree, &cl); -cp + free(c); } -/* Debugging */ - -void dump_connection_list(void) -{ - rbl_t *rbl; - connection_t *cl; -cp - syslog(LOG_DEBUG, _("Connection list:")); - - syslog(LOG_DEBUG, _(" %s at %s port %hd flags %d sockets %d, %d status %04x"), - myself->name, myself->hostname, myself->port, myself->flags, - myself->socket, myself->meta_socket, myself->status); - - RBL_FOREACH(connection_tree, rbl) - { - cl = (connection_t *)rbl->data; - syslog(LOG_DEBUG, _(" %s at %s port %hd flags %d sockets %d, %d status %04x"), - cl->name, cl->hostname, cl->port, cl->flags, - cl->socket, cl->meta_socket, cl->status); - } - - syslog(LOG_DEBUG, _("End of connection list.")); -cp +void connection_add(connection_t *c) { + list_insert_tail(connection_list, c); } -int read_host_config(connection_t *cl) -{ - char *fname; - int x; -cp - asprintf(&fname, "%s/hosts/%s", confbase, cl->name); - x = read_config_file(&cl->config, fname); - free(fname); -cp - return x; +void connection_del(connection_t *c) { + list_delete(connection_list, c); +} + +bool dump_connections(connection_t *cdump) { + 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)); + } + + return send_request(cdump, "%d %d", CONTROL, REQ_DUMP_CONNECTIONS); }