git.meshlink.io Git - meshlink/blob - src/connection.c

   1 /*
   2     connection.c -- connection list management
   3     Copyright (C) 2000-2013 Guus Sliepen <guus@meshlink.io>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License along
  16     with this program; if not, write to the Free Software Foundation, Inc.,
  17     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "system.h"
  21
  22 #include "list.h"
  23 #include "cipher.h"
  24 #include "conf.h"
  25 #include "connection.h"
  26 #include "list.h"
  27 #include "logger.h"
  28 #include "rsa.h"
  29 #include "utils.h"
  30 #include "xalloc.h"
  31
  32 list_t *connection_list;
  33 connection_t *everyone;
  34
  35 void init_connections(void) {
  36         connection_list = list_alloc((list_action_t) free_connection);
  37         everyone = new_connection();
  38         everyone->name = xstrdup("everyone");
  39         everyone->hostname = xstrdup("BROADCAST");
  40 }
  41
  42 void exit_connections(void) {
  43         list_delete_list(connection_list);
  44         free_connection(everyone);
  45 }
  46
  47 connection_t *new_connection(void) {
  48         return xzalloc(sizeof(connection_t));
  49 }
  50
  51 void free_connection(connection_t *c) {
  52         if(!c)
  53                 return;
  54
  55         cipher_close(c->incipher);
  56         digest_close(c->indigest);
  57         cipher_close(c->outcipher);
  58         digest_close(c->outdigest);
  59
  60         sptps_stop(&c->sptps);
  61         ecdsa_free(c->ecdsa);
  62         rsa_free(c->rsa);
  63
  64         free(c->hischallenge);
  65
  66         buffer_clear(&c->inbuf);
  67         buffer_clear(&c->outbuf);
  68
  69         io_del(&c->io);
  70
  71         if(c->socket > 0)
  72                 closesocket(c->socket);
  73
  74         free(c->name);
  75         free(c->hostname);
  76
  77         if(c->config_tree)
  78                 exit_configuration(&c->config_tree);
  79
  80         free(c);
  81 }
  82
  83 void connection_add(connection_t *c) {
  84         list_insert_tail(connection_list, c);
  85 }
  86
  87 void connection_del(connection_t *c) {
  88         list_delete(connection_list, c);
  89 }