X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.c;h=4c5956e8b9fc324a302c59d7fe850cf400f1d2f2;hp=266dbab7b7048199cc1d3bbae187d59846e7cab2;hb=b3074590b184c141419cf4926820dc0d78380535;hpb=4f9dad0972ac0f665a1b6050b059bd52f93e6221

diff --git a/src/net.c b/src/net.c
index 266dbab7..4c5956e8 100644
--- a/src/net.c
+++ b/src/net.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.c,v 1.35.4.111 2001/06/05 16:09:55 guus Exp $
+    $Id: net.c,v 1.35.4.119 2001/07/15 14:21:12 guus Exp $
 */
 
 #include "config.h"
@@ -45,32 +45,24 @@
 #include <sys/socket.h>
 #include <net/if.h>
 
-#ifdef HAVE_OPENSSL_RAND_H
-# include <openssl/rand.h>
-#else
-# include <rand.h>
-#endif
-
-#ifdef HAVE_OPENSSL_EVP_H
-# include <openssl/evp.h>
-#else
-# include <evp.h>
-#endif
+#include <openssl/rand.h>
+#include <openssl/evp.h>
+#include <openssl/pem.h>
 
-#ifdef HAVE_OPENSSL_ERR_H
-# include <openssl/err.h>
-#else
-# include <err.h>
-#endif
-
-#ifdef HAVE_OPENSSL_PEM_H
-# include <openssl/pem.h>
-#else
-# include <pem.h>
+#ifndef HAVE_RAND_PSEUDO_BYTES
+#define RAND_pseudo_bytes RAND_bytes
 #endif
 
 #ifdef HAVE_TUNTAP
-#include LINUX_IF_TUN_H
+ #ifdef HAVE_LINUX
+  #ifdef LINUX_IF_TUN_H
+   #include LINUX_IF_TUN_H
+  #else
+   #include <linux/if_tun.h>
+  #endif
+ #else
+  #include <net/if_tun.h>
+ #endif
 #endif
 
 #include <utils.h>
@@ -99,7 +91,7 @@ int total_socket_in = 0;
 int total_socket_out = 0;
 
 config_t *upstreamcfg;
-static int seconds_till_retry;
+int seconds_till_retry = 5;
 
 int keylifetime = 0;
 int keyexpires = 0;
@@ -134,7 +126,7 @@ cp
 
   /* Encrypt the packet. */
 
-  RAND_bytes(inpkt->salt, sizeof(inpkt->salt));
+  RAND_pseudo_bytes(inpkt->salt, sizeof(inpkt->salt));
 
   EVP_EncryptInit(&ctx, cl->cipher_pkttype, cl->cipher_pktkey, cl->cipher_pktkey + cl->cipher_pkttype->key_len);
   EVP_EncryptUpdate(&ctx, outpkt.salt, &outlen, inpkt->salt, inpkt->len + sizeof(inpkt->salt));
@@ -180,6 +172,8 @@ cp
   outlen += outpad;
   outpkt.len = outlen - sizeof(outpkt.salt);
 
+  total_socket_in += outlen;
+
   receive_packet(cl, &outpkt);
 cp
 }
@@ -364,8 +358,7 @@ cp
     taptype = TAP_TYPE_TUNTAP;
   }
  #endif
-#endif
-#ifdef HAVE_FREEBSD
+#else
  taptype = TAP_TYPE_TUNTAP;
 #endif
 cp
@@ -792,14 +785,6 @@ cp
   else
     myself->port = cfg->data.val;
 
-  if((cfg = get_config_val(myself->config, config_indirectdata)))
-    if(cfg->data.val == stupid_true)
-      myself->options |= OPTION_INDIRECT;
-
-  if((cfg = get_config_val(myself->config, config_tcponly)))
-    if(cfg->data.val == stupid_true)
-      myself->options |= OPTION_TCPONLY;
-
 /* Read in all the subnets specified in the host configuration file */
 
   for(next = myself->config; (cfg = get_config_val(next, config_subnet)); next = cfg->next)
@@ -820,6 +805,48 @@ cp
       subnet_add(myself, net);
     }
 
+cp
+  /* Check some options */
+
+  if((cfg = get_config_val(config, config_indirectdata)))
+    if(cfg->data.val == stupid_true)
+      myself->options |= OPTION_INDIRECT;
+
+  if((cfg = get_config_val(config, config_tcponly)))
+    if(cfg->data.val == stupid_true)
+      myself->options |= OPTION_TCPONLY;
+
+  if((cfg = get_config_val(myself->config, config_indirectdata)))
+    if(cfg->data.val == stupid_true)
+      myself->options |= OPTION_INDIRECT;
+
+  if((cfg = get_config_val(myself->config, config_tcponly)))
+    if(cfg->data.val == stupid_true)
+      myself->options |= OPTION_TCPONLY;
+
+  if(myself->options & OPTION_TCPONLY)
+    myself->options |= OPTION_INDIRECT;
+
+  if((cfg = get_config_val(config, config_mode)))
+    {
+      if(!strcasecmp(cfg->data.ptr, "router"))
+        routing_mode = RMODE_ROUTER;
+      else if (!strcasecmp(cfg->data.ptr, "switch"))
+        routing_mode = RMODE_SWITCH;
+      else if (!strcasecmp(cfg->data.ptr, "hub"))
+        routing_mode = RMODE_HUB;
+      else
+        {
+          syslog(LOG_ERR, _("Invalid routing mode!"));
+          return -1;
+        }
+    }
+  else
+    routing_mode = RMODE_ROUTER;
+
+cp
+  /* Open sockets */
+  
   if((myself->meta_socket = setup_listen_meta_socket(myself->port)) < 0)
     {
       syslog(LOG_ERR, _("Unable to set up a listening TCP socket!"));
@@ -848,22 +875,6 @@ cp
 
   keyexpires = time(NULL) + keylifetime;
 cp
-  /* Check some options */
-
-  if((cfg = get_config_val(config, config_indirectdata)))
-    {
-      if(cfg->data.val == stupid_true)
-        myself->options |= OPTION_INDIRECT;
-    }
-
-  if((cfg = get_config_val(config, config_tcponly)))
-    {
-      if(cfg->data.val == stupid_true)
-        myself->options |= OPTION_TCPONLY;
-    }
-
-  if(myself->options & OPTION_TCPONLY)
-    myself->options |= OPTION_INDIRECT;
 
   /* Activate ourselves */
 
@@ -999,11 +1010,10 @@ cp
         myself = NULL;
       }
 
-  close(tap_fd);
-
-  /* Execute tinc-down script right after shutting down the interface */
   execute_script("tinc-down");
 
+  close(tap_fd);
+
   destroy_connection_tree();
 cp
   return;
@@ -1180,9 +1190,8 @@ cp
     {
       cl->status.outgoing = 0;
       signal(SIGALRM, sigalrm_handler);
-      seconds_till_retry = 5;
       alarm(seconds_till_retry);
-      syslog(LOG_NOTICE, _("Trying to re-establish outgoing connection in 5 seconds"));
+      syslog(LOG_NOTICE, _("Trying to re-establish outgoing connection in %d seconds"), seconds_till_retry);
     }
 
   /* Deactivate */
@@ -1409,7 +1418,7 @@ cp
               if(debug_lvl >= DEBUG_STATUS)
                 syslog(LOG_INFO, _("Regenerating symmetric key"));
 
-              RAND_bytes(myself->cipher_pktkey, myself->cipher_pktkeylength);
+              RAND_pseudo_bytes(myself->cipher_pktkey, myself->cipher_pktkeylength);
               send_key_changed(myself, NULL);
               keyexpires = time(NULL) + keylifetime;
             }