Consistently allocate device and iface variables on the heap.
[tinc] / src / solaris / device.c
index 4bd88d7..04a36a8 100644 (file)
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction with Solaris tun device
-    Copyright (C) 2001-2004 Ivo Timmermans <ivo@tinc-vpn.org>,
-                  2001-2004 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2001-2005 Ivo Timmermans,
+                  2001-2006 Guus Sliepen <guus@tinc-vpn.org>
 
     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
 #include "logger.h"
 #include "net.h"
 #include "utils.h"
+#include "xalloc.h"
 
 #define DEFAULT_DEVICE "/dev/tun"
 
 int device_fd = -1;
 char *device = NULL;
 char *iface = NULL;
-char *device_info = NULL;
+static char *device_info = NULL;
 
 static int device_total_in = 0;
 static int device_total_out = 0;
@@ -51,7 +52,7 @@ bool setup_device(void)
        cp();
 
        if(!get_config_string(lookup_config(config_tree, "Device"), &device))
-               device = DEFAULT_DEVICE;
+               device = xstrdup(DEFAULT_DEVICE);
 
        if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
                logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
@@ -127,8 +128,21 @@ bool read_packet(vpn_packet_t *packet)
                return false;
        }
 
-       packet->data[12] = 0x08;
-       packet->data[13] = 0x00;
+       switch(packet->data[14] >> 4) {
+               case 4:
+                       packet->data[12] = 0x08;
+                       packet->data[13] = 0x00;
+                       break;
+               case 6:
+                       packet->data[12] = 0x86;
+                       packet->data[13] = 0xDD;
+                       break;
+               default:
+                       ifdebug(TRAFFIC) logger(LOG_ERR,
+                                          _ ("Unknown IP version %d while reading packet from %s %s"),
+                                          packet->data[14] >> 4, device_info, device);
+                       return false;
+       }
 
        packet->len = lenin + 14;