Add a mechanism where one can provide callbacks to the kerbgeros dissector

to pass back dissection of application specific fields (octet strings)

This can later be used to pick up session keys by dcerpc and similar.
Currently it will initially be used by packetcable.

PacketCable additions by Thomas Anders

svn path=/trunk/; revision=11101

1 files changed, 16 insertions, 2 deletions

diff --git a/packet-kerberos.h b/packet-kerberos.h
index 042fc20e23..ad53f589bb 100644
--- a/packet-kerberos.h
+++ b/packet-kerberos.h
@@ -1,6 +1,6 @@
 /* packet-kerberos.h
  *
- * $Id: packet-kerberos.h,v 1.7 2003/04/25 21:29:19 guy Exp $
+ * $Id: packet-kerberos.h,v 1.8 2004/06/04 01:56:25 sahlberg Exp $
  *
  * Ethereal - Network traffic analyzer
  * By Gerald Combs <gerald@ethereal.com>
@@ -24,9 +24,23 @@
 #ifndef __PACKET_KERBEROS_H
 #define __PACKET_KERBEROS_H
 
+/* This is a list of callback functions a caller can use to specify that
+   octet strings in kerberos to be passed back to application specific
+   dissectors, outside of kerberos.
+   This is used for dissection of application specific data for PacketCable
+   KRB_SAFE user data and eventually to pass kerberos session keys
+   to future DCERPC decryption and other uses.
+   The list is terminated by {0, NULL }
+*/
+#define KRB_CBTAG_SAFE_USER_DATA	1
+typedef struct _kerberos_callbacks {
+	int tag;
+	int (*callback)(packet_info *pinfo, tvbuff_t *tvb, proto_tree *tree);
+} kerberos_callbacks;
+
 /* Function prototypes */
 
 gint
-dissect_kerberos_main(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int do_col_info);
+dissect_kerberos_main(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int do_col_info, kerberos_callbacks *cb);
 
 #endif /* __PACKET_KERBEROS_H */