[pisa-src] r2265 - trunk/libpisa/sysdep_tun.c
- From: Mircea Gherzan <mircea.gherzan@xxxxxxxxxxxxxx>
- To: pisa-src@xxxxxxxxxxxxx
- Date: Wed, 14 Apr 2010 16:38:45 +0200
Author: gherzan
Date: Wed Apr 14 16:38:45 2010
New Revision: 2265
Log:
libpisa: add tunnel-opening code for Mac OS X
Modified:
trunk/libpisa/sysdep_tun.c
Modified: trunk/libpisa/sysdep_tun.c
==============================================================================
--- trunk/libpisa/sysdep_tun.c Tue Apr 13 10:32:35 2010 (r2264)
+++ trunk/libpisa/sysdep_tun.c Wed Apr 14 16:38:45 2010 (r2265)
@@ -16,6 +16,7 @@
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
+#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
@@ -24,8 +25,16 @@
#include "util.h"
#ifdef __linux__
+# include <linux/if_tun.h>
+#elif defined(__APPLE__)
+/* TODO: add the OS X header for tunneling */
+#else /* FreeBSD */
+# include <net/tun.h>
+#endif
-#include <linux/if_tun.h>
+
+/* systems like Linux and FreeBSD use a common tunneling interface */
+#ifdef IFF_TUN
/* see the header */
int pisa_tunnel_open_tundev(char *devicename, size_t len)
@@ -50,4 +59,23 @@
return fd_tun;
}
-#endif /* __linux__ */
+#else
+
+int pisa_tunnel_open_tundev(char *devicename, size_t len)
+{
+ int i, fd;
+ char name[32];
+
+ for (i = 0; i < 255; i++) {
+ snprintf(name, sizeof(name), "/dev/tun%d", i);
+ if ((fd = open(name, O_RDWR)) > 0) {
+ snprintf(devicename, len, "tun%d", i);
+ return fd;
+ }
+ }
+
+ pisa_die("Could not open tunnel device.", EXIT_FAILURE);
+ return -1;
+}
+
+#endif /* IFF_TUN */
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