X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;ds=sidebyside;f=src%2Fpokey%2Fnet_setup.c;fp=src%2Fpokey%2Fnet_setup.c;h=0000000000000000000000000000000000000000;hb=013a2e159e42c46808ea8d0b6abd57525db30a50;hp=c44d2a95654188f850ada71d6193cd462c8a308b;hpb=efa5148bc76effb440d807d653dda02de050fde0;p=tinc

diff --git a/src/pokey/net_setup.c b/src/pokey/net_setup.c
deleted file mode 100644
index c44d2a95..00000000
--- a/src/pokey/net_setup.c
+++ /dev/null
@@ -1,546 +0,0 @@
-/*
-    net_setup.c -- Setup.
-    Copyright (C) 1998-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
-                  2000-2002 Guus Sliepen <guus@sliepen.warande.net>
-
-    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
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    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: net_setup.c,v 1.1 2002/04/28 12:46:26 zarq Exp $
-*/
-
-#include "config.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#ifdef HAVE_LINUX
- #include <netinet/ip.h>
- #include <netinet/tcp.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-/* SunOS really wants sys/socket.h BEFORE net/if.h,
-   and FreeBSD wants these lines below the rest. */
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <net/if.h>
-
-#include <openssl/pem.h>
-#include <openssl/rsa.h>
-#include <openssl/rand.h>
-
-#include <utils.h>
-#include <xalloc.h>
-#include <avl_tree.h>
-#include <list.h>
-
-#include "conf.h"
-#include "interface.h"
-#include "connection.h"
-#include "meta.h"
-#include "net.h"
-#include "netutl.h"
-#include "process.h"
-#include "protocol.h"
-#include "subnet.h"
-#include "graph.h"
-#include "process.h"
-#include "route.h"
-#include "device.h"
-#include "event.h"
-#include "logging.h"
-
-#include "system.h"
-
-char *myport;
-
-int read_rsa_public_key(connection_t *c)
-{
-  FILE *fp;
-  char *fname;
-  char *key;
-cp
-  if(!c->rsa_key)
-    c->rsa_key = RSA_new();
-
-  /* First, check for simple PublicKey statement */
-
-  if(get_config_string(lookup_config(c->config_tree, "PublicKey"), &key))
-    {
-      BN_hex2bn(&c->rsa_key->n, key);
-      BN_hex2bn(&c->rsa_key->e, "FFFF");
-      free(key);
-      return 0;
-    }
-
-  /* Else, check for PublicKeyFile statement and read it */
-
-  if(get_config_string(lookup_config(c->config_tree, "PublicKeyFile"), &fname))
-    {
-      if(is_safe_path(fname))
-        {
-          if((fp = fopen(fname, "r")) == NULL)
-            {
-              log(0, TLOG_ERROR,
-		  _("Error reading RSA public key file `%s': %s"),
-		  fname, strerror(errno));
-              free(fname);
-              return -1;
-            }
-          free(fname);
-          c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
-          fclose(fp);
-          if(!c->rsa_key)
-            {
-              syslog(LOG_ERR, _("Reading RSA public key file `%s' failed: %s"),
-                     fname, strerror(errno));
-              return -1;
-            }
-          return 0;
-        }
-      else
-        {
-          free(fname);
-          return -1;
-        }
-    }
-
-  /* Else, check if a harnessed public key is in the config file */
-
-  asprintf(&fname, "%s/hosts/%s", confbase, c->name);
-  if((fp = fopen(fname, "r")))
-    {
-      c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
-      fclose(fp);
-    }
-
-  free(fname);
-
-  if(c->rsa_key)
-    return 0;
-  else
-    {
-      syslog(LOG_ERR, _("No public key for %s specified!"), c->name);
-      return -1;
-    }
-}
-
-int read_rsa_private_key(void)
-{
-  FILE *fp;
-  char *fname, *key;
-cp
-  if(get_config_string(lookup_config(config_tree, "PrivateKey"), &key))
-    {
-      myself->connection->rsa_key = RSA_new();
-      BN_hex2bn(&myself->connection->rsa_key->d, key);
-      BN_hex2bn(&myself->connection->rsa_key->e, "FFFF");
-      free(key);
-      return 0;
-    }
-
-  if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname))
-    asprintf(&fname, "%s/rsa_key.priv", confbase);
-
-  if(is_safe_path(fname))
-    {
-      if((fp = fopen(fname, "r")) == NULL)
-        {
-          syslog(LOG_ERR, _("Error reading RSA private key file `%s': %s"),
-                 fname, strerror(errno));
-          free(fname);
-          return -1;
-        }
-      free(fname);
-      myself->connection->rsa_key = PEM_read_RSAPrivateKey(fp, NULL, NULL, NULL);
-      fclose(fp);
-      if(!myself->connection->rsa_key)
-        {
-          syslog(LOG_ERR, _("Reading RSA private key file `%s' failed: %s"),
-                 fname, strerror(errno));
-          return -1;
-        }
-      return 0;
-    }
-
-  free(fname);
-  return -1;
-}
-
-int check_rsa_key(RSA *rsa_key)
-{
-  char *test1, *test2, *test3;
-cp
-  if(rsa_key->p && rsa_key->q)
-    {
-      if(RSA_check_key(rsa_key) != 1)
-          return -1;
-    }
-  else
-    {
-      test1 = xmalloc(RSA_size(rsa_key));
-      test2 = xmalloc(RSA_size(rsa_key));
-      test3 = xmalloc(RSA_size(rsa_key));
-
-      if(RSA_public_encrypt(RSA_size(rsa_key), test1, test2, rsa_key, RSA_NO_PADDING) != RSA_size(rsa_key))
-          return -1;
-
-      if(RSA_private_decrypt(RSA_size(rsa_key), test2, test3, rsa_key, RSA_NO_PADDING) != RSA_size(rsa_key))
-          return -1;
-
-      if(memcmp(test1, test3, RSA_size(rsa_key)))
-          return -1;
-    }
-cp
-  return 0;
-}
-
-/*
-  Configure node_t myself and set up the local sockets (listen only)
-*/
-int setup_myself(void)
-{
-  config_t *cfg;
-  subnet_t *subnet;
-  char *name, *mode, *afname, *cipher, *digest;
-  int choice;
-cp
-  myself = new_node();
-  myself->connection = new_connection();
-  init_configuration(&myself->connection->config_tree);
-
-  asprintf(&myself->hostname, _("MYSELF"));
-  asprintf(&myself->connection->hostname, _("MYSELF"));
-
-  myself->connection->options = 0;
-  myself->connection->protocol_version = PROT_CURRENT;
-
-  if(!get_config_string(lookup_config(config_tree, "Name"), &name)) /* Not acceptable */
-    {
-      syslog(LOG_ERR, _("Name for tinc daemon required!"));
-      return -1;
-    }
-
-  if(check_id(name))
-    {
-      syslog(LOG_ERR, _("Invalid name for myself!"));
-      free(name);
-      return -1;
-    }
-
-  myself->name = name;
-  myself->connection->name = xstrdup(name);
-
-cp
-  if(read_rsa_private_key())
-    return -1;
-
-  if(read_connection_config(myself->connection))
-    {
-      syslog(LOG_ERR, _("Cannot open host configuration file for myself!"));
-      return -1;
-    }
-
-  if(read_rsa_public_key(myself->connection))
-    return -1;
-cp
-
-  if(check_rsa_key(myself->connection->rsa_key))
-    {
-      syslog(LOG_ERR, _("Invalid public/private keypair!"));
-      return -1;
-    }
-
-  if(!get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport))
-    asprintf(&myport, "655");
-
-/* Read in all the subnets specified in the host configuration file */
-
-  cfg = lookup_config(myself->connection->config_tree, "Subnet");
-
-  while(cfg)
-    {
-      if(!get_config_subnet(cfg, &subnet))
-        return -1;
-
-      subnet_add(myself, subnet);
-
-      cfg = lookup_config_next(myself->connection->config_tree, cfg);
-    }
-
-cp
-  /* Check some options */
-
-  if(get_config_bool(lookup_config(config_tree, "IndirectData"), &choice))
-    if(choice)
-      myself->options |= OPTION_INDIRECT;
-
-  if(get_config_bool(lookup_config(config_tree, "TCPOnly"), &choice))
-    if(choice)
-      myself->options |= OPTION_TCPONLY;
-
-  if(get_config_bool(lookup_config(myself->connection->config_tree, "IndirectData"), &choice))
-    if(choice)
-      myself->options |= OPTION_INDIRECT;
-
-  if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice))
-    if(choice)
-      myself->options |= OPTION_TCPONLY;
-
-  if(myself->options & OPTION_TCPONLY)
-    myself->options |= OPTION_INDIRECT;
-
-  if(get_config_string(lookup_config(config_tree, "Mode"), &mode))
-    {
-      if(!strcasecmp(mode, "router"))
-        routing_mode = RMODE_ROUTER;
-      else if (!strcasecmp(mode, "switch"))
-        routing_mode = RMODE_SWITCH;
-      else if (!strcasecmp(mode, "hub"))
-        routing_mode = RMODE_HUB;
-      else
-        {
-          syslog(LOG_ERR, _("Invalid routing mode!"));
-          return -1;
-        }
-      free(mode);
-    }
-  else
-    routing_mode = RMODE_ROUTER;
-
-  get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
-#if !defined(SOL_IP) || !defined(IP_TOS)
-  if(priorityinheritance)
-    syslog(LOG_WARNING, _("PriorityInheritance not supported on this platform"));
-#endif
-
-  if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire))
-    macexpire= 600;
-
-  if(get_config_int(lookup_config(myself->connection->config_tree, "MaxTimeout"), &maxtimeout))
-    {
-      if(maxtimeout <= 0)
-        {
-          syslog(LOG_ERR, _("Bogus maximum timeout!"));
-          return -1;
-        }
-    }
-  else
-    maxtimeout = 900;
-
-  if(get_config_string(lookup_config(config_tree, "AddressFamily"), &afname))
-    {
-      if(!strcasecmp(afname, "IPv4"))
-        addressfamily = AF_INET;
-      else if (!strcasecmp(afname, "IPv6"))
-        addressfamily = AF_INET6;
-      else if (!strcasecmp(afname, "any"))
-        addressfamily = AF_UNSPEC;
-      else
-        {
-          syslog(LOG_ERR, _("Invalid address family!"));
-          return -1;
-        }
-      free(afname);
-    }
-  else
-    addressfamily = AF_INET;
-
-  get_config_bool(lookup_config(config_tree, "Hostnames"), &hostnames);
-cp
-  /* Generate packet encryption key */
-
-  if(get_config_string(lookup_config(myself->connection->config_tree, "Cipher"), &cipher))
-    {
-      if(!strcasecmp(cipher, "none"))
-        {
-          myself->cipher = NULL;
-        }
-      else
-        {
-          if(!(myself->cipher = EVP_get_cipherbyname(cipher)))
-            {
-              syslog(LOG_ERR, _("Unrecognized cipher type!"));
-              return -1;
-            }
-        }
-    }
-  else
-    myself->cipher = EVP_bf_cbc();
-
-  if(myself->cipher)
-    myself->keylength = myself->cipher->key_len + myself->cipher->iv_len;
-  else
-    myself->keylength = 1;
-
-  myself->connection->outcipher = EVP_bf_ofb();
-
-  myself->key = (char *)xmalloc(myself->keylength);
-  RAND_pseudo_bytes(myself->key, myself->keylength);
-
-  if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
-    keylifetime = 3600;
-
-  keyexpires = now + keylifetime;
-
-  /* Check if we want to use message authentication codes... */
-
-  if(get_config_string(lookup_config(myself->connection->config_tree, "Digest"), &digest))
-    {
-      if(!strcasecmp(digest, "none"))
-        {
-          myself->digest = NULL;
-        }
-      else
-        {
-          if(!(myself->digest = EVP_get_digestbyname(digest)))
-            {
-              syslog(LOG_ERR, _("Unrecognized digest type!"));
-              return -1;
-            }
-        }
-    }
-  else
-    myself->digest = EVP_sha1();
-
-  myself->connection->outdigest = EVP_sha1();
-
-  if(get_config_int(lookup_config(myself->connection->config_tree, "MACLength"), &myself->maclength))
-    {
-      if(myself->digest)
-        {
-          if(myself->maclength > myself->digest->md_size)
-            {
-              syslog(LOG_ERR, _("MAC length exceeds size of digest!"));
-              return -1;
-            }
-          else if (myself->maclength < 0)
-            {
-              syslog(LOG_ERR, _("Bogus MAC length!"));
-              return -1;
-            }
-        }
-    }
-  else
-    myself->maclength = 4;
-
-  myself->connection->outmaclength = 0;
-
-  /* Compression */
-
-  if(get_config_int(lookup_config(myself->connection->config_tree, "Compression"), &myself->compression))
-    {
-      if(myself->compression < 0 || myself->compression > 9)
-        {
-          syslog(LOG_ERR, _("Bogus compression level!"));
-          return -1;
-        }
-    }
-  else
-    myself->compression = 0;
-
-  myself->connection->outcompression = 0;
-cp
-  /* Done */
-
-  myself->nexthop = myself;
-  myself->via = myself;
-  myself->status.active = 1;
-  node_add(myself);
-
-  graph();
-
-  syslog(LOG_NOTICE, _("Ready"));
-cp
-  return 0;
-}
-
-/*
-  setup all initial network connections
-*/
-int setup_network_connections(void)
-{
-cp
-  now = time(NULL);
-
-  init_connections();
-  init_subnets();
-  init_nodes();
-  init_edges();
-  init_events();
-  init_requests();
-
-  if(get_config_int(lookup_config(config_tree, "PingTimeout"), &pingtimeout))
-    {
-      if(pingtimeout < 1)
-        {
-          pingtimeout = 86400;
-        }
-    }
-  else
-    pingtimeout = 60;
-
-  if(setup_myself() < 0)
-    return -1;
-
-  try_outgoing_connections();
-cp
-  return 0;
-}
-
-/*
-  close all open network connections
-*/
-void close_network_connections(void)
-{
-  avl_node_t *node, *next;
-  connection_t *c;
-  int i;
-cp
-  for(node = connection_tree->head; node; node = next)
-    {
-      next = node->next;
-      c = (connection_t *)node->data;
-      if(c->outgoing)
-        free(c->outgoing->name), free(c->outgoing), c->outgoing = NULL;
-      terminate_connection(c, 0);
-    }
-
-  if(myself && myself->connection)
-    terminate_connection(myself->connection, 0);
-
-  for(i = 0; i < listen_sockets; i++)
-    {
-      close(listen_socket[i].tcp);
-      close(listen_socket[i].udp);
-    }
-
-  exit_requests();
-  exit_events();
-  exit_edges();
-  exit_subnets();
-  exit_nodes();
-  exit_connections();
-
-cp
-  return;
-}