New file to define SPNEGO structures

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14973 dc483132-0cff-0310-8789-dd5450dbe970

2 files changed, 93 insertions, 0 deletions

diff --git a/src/include/ChangeLog b/src/include/ChangeLog
index 755ff1cbba..20576f8d95 100644
--- a/src/include/ChangeLog
+++ b/src/include/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-23  Sam Hartman  <hartmans@mit.edu>
+
+	* spnego-asn1.h: New file.
+
 2002-11-05  Tom Yu  <tlyu@mit.edu>
 
 	* k5-int.h (DEFAULT_PWD_STRING1, DEFAULT_PWD_STRING2): Remove
diff --git a/src/include/spnego-asn1.h b/src/include/spnego-asn1.h
new file mode 100644
index 0000000000..8070a9f99e
--- /dev/null
+++ b/src/include/spnego-asn1.h
@@ -0,0 +1,89 @@
+/*
+ * spnego-asn1.h
+ *
+ * Copyright (C) 2002 by the Massachusetts Institute of Technology.
+ * All rights reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ * 
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ * 
+ *
+ * This file contains structure definitions 
+ * for the SPNEGO GSSAPI mechanism (RFC 2478).  This file is
+ *an internal interface between the GSSAPI library  and the ASN.1
+ *encoders/decoders for the SPNEGO structures in the krb5 library.
+ */
+
+
+#ifndef _KRB5_SPNEGO_ASN1_H_
+#define _KRB5_SPNEGO_ASN1_h_
+
+#include "k5-int.h"
+
+/* Context flags recognized by SPNEGO*/
+enum {
+  SPNEGO_DELEG_FLAG = 0x80,
+  SPNEGO_MUTUAL_FLAG = 0x40,
+  SPNEGO_ANON_FLAG=0x20,
+  SPNEGO_CONF_FLAG = 0x10
+};
+
+/* Results of a negotiation*/
+enum {
+  SPNEGO_ACCEPT_COMPLETED = 0,
+  SPNEGO_ACCEPT_INCOMPLETE = 1,
+  SPNEGO_REJECT = 2,
+  SPNEGO_UNSPEC_RESULT = 3
+};
+
+typedef krb5_data spnego_oid;
+
+typedef struct _spnego_initiator_token {
+    spnego_oid **mechanisms;
+    krb5_int32 requested_flags;
+    krb5_data mech_token;
+    krb5_data mechlist_mic;
+} spnego_initiator_token;
+
+typedef struct _spnego_acceptor_token {
+    int neg_result;
+    spnego_oid supported_mech;
+    krb5_data response_token;
+    krb5_data mechlist_mic;
+} spnego_acceptor_token;
+
+/*
+ * SPNEGO_PROTOTYPES should be defined in the modules implementing
+ * SPNEGO functions  and in the module implementing the accessor
+ * initializer.  All other modules should access these functions
+ * through the accessor interface.
+ */
+
+#ifdef SPNEGO_PROTOTYPES
+
+krb5_error_code krb5int_encode_spnego_acceptor_token
+(krb5_context , spnego_acceptor_token *,
+	 krb5_data **);
+
+krb5_error_code krb5int_encode_spnego_initiator_token
+(krb5_context, spnego_initiator_token *,
+ krb5_data **out);
+#endif /*SPNEGO_ASN1_PROTOTYPES*/
+
+#endif /*_KRB5_SPNEGO_ASN1_H_*/