X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/tripe/blobdiff_plain/17f0adc158c071dda3ef19ece1ac755b3d250bdd..2de0ad0f5c5871d482d778908d08d0dd1b01c821:/tripe.h

diff --git a/tripe.h b/tripe.h
index 420a6fdf..1f73d6ba 100644
--- a/tripe.h
+++ b/tripe.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: tripe.h,v 1.11 2002/01/13 14:57:42 mdw Exp $
+ * $Id: tripe.h,v 1.15 2003/05/16 12:09:03 mdw Exp $
  *
  * Main header file for TrIPE
  *
@@ -29,6 +29,18 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: tripe.h,v $
+ * Revision 1.15  2003/05/16 12:09:03  mdw
+ * Allow binding to a chosen address.
+ *
+ * Revision 1.14  2003/04/06 10:36:33  mdw
+ * Rearrange so as not to include Linux headers unless we need to.
+ *
+ * Revision 1.13  2003/04/06 10:26:35  mdw
+ * Report peer name on decrypt errors.
+ *
+ * Revision 1.12  2003/04/06 10:25:17  mdw
+ * Support Linux TUN/TAP device.  Fix some bugs.
+ *
  * Revision 1.11  2002/01/13 14:57:42  mdw
  * Fix crap typo.
  *
@@ -147,6 +159,7 @@
 #define TUN_NOTDEF 0
 #define TUN_UNET 1
 #define TUN_BSD 2
+#define TUN_LINUX 3
 
 /* --- Trace flags --- */
 
@@ -300,6 +313,7 @@ typedef union addr {
 typedef struct keyset {
   struct keyset *next;			/* Next active keyset in the list */
   unsigned ref;				/* Reference count for keyset */
+  struct peer *p;			/* Pointer to peer structure */
   time_t t_exp;				/* Expiry time for this keyset */
   unsigned long sz_exp;			/* Data limit for the keyset */
   T( unsigned seq; )			/* Sequence number for tracing */
@@ -375,10 +389,19 @@ enum {
  * Used to maintain system-specific information about the tunnel interface.
  */
 
+#if TUN_TYPE == TUN_LINUX
+#  include <linux/if.h>
+#  include <linux/if_tun.h>
+#endif
+
 typedef struct tunnel {
-#if TUN_TYPE == TUN_UNET
+#if TUN_TYPE == TUN_UNET 
   sel_file f;				/* Selector for Usernet device */
   struct peer *p;			/* Pointer to my peer */
+#elif TUN_TYPE == TUN_LINUX
+  sel_file f;				/* Selector for TUN/TAP device */
+  struct peer *p;			/* Pointer to my peer */
+  char ifn[IFNAMSIZ];			/* Interface name buffer */
 #elif TUN_TYPE == TUN_BSD
   sel_file f;				/* Selector for tunnel device */
   struct peer *p;			/* Pointer to my peer */
@@ -598,6 +621,7 @@ extern void ks_drop(keyset */*ks*/);
  *
  * Arguments:	@const void *k@ = pointer to key material
  *		@size_t x, y, z@ = offsets into key material (see below)
+ *		@peer *p@ = pointer to peer information
  *
  * Returns:	A pointer to the new keyset.
  *
@@ -617,7 +641,8 @@ extern void ks_drop(keyset */*ks*/);
  */
 
 extern keyset *ks_gen(const void */*k*/,
-		      size_t /*x*/, size_t /*y*/, size_t /*z*/);
+		      size_t /*x*/, size_t /*y*/, size_t /*z*/,
+		      peer */*p*/);
 
 /* --- @ks_tregen@ --- *
  *
@@ -871,14 +896,15 @@ extern const addr *p_addr(peer */*p*/);
 
 /* --- @p_init@ --- *
  *
- * Arguments:	@unsigned port@ = port number to listen to
+ * Arguments:	@struct in_addr addr@ = address to bind to
+ *		@unsigned port@ = port number to listen to
  *
  * Returns:	---
  *
  * Use:		Initializes the peer system; creates the socket.
  */
 
-extern void p_init(unsigned /*port*/);
+extern void p_init(struct in_addr /*addr*/, unsigned /*port*/);
 
 /* --- @p_port@ --- *
  *