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diff --git a/source4/include/asn_1.h b/source4/include/asn_1.h
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+/*
+ Unix SMB/CIFS implementation.
+ simple ASN1 code
+ Copyright (C) Andrew Tridgell 2001
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _ASN_1_H
+#define _ASN_1_H
+
+struct nesting {
+ off_t start;
+ size_t taglen; /* for parsing */
+ struct nesting *next;
+};
+
+typedef struct {
+ uint8 *data;
+ size_t length;
+ off_t ofs;
+ struct nesting *nesting;
+ BOOL has_error;
+} ASN1_DATA;
+
+
+#define ASN1_APPLICATION(x) ((x)+0x60)
+#define ASN1_SEQUENCE(x) ((x)+0x30)
+#define ASN1_CONTEXT(x) ((x)+0xa0)
+#define ASN1_GENERAL_STRING 0x1b
+#define ASN1_OCTET_STRING 0x4
+#define ASN1_OID 0x6
+#define ASN1_BOOLEAN 0x1
+#define ASN1_INTEGER 0x2
+#define ASN1_ENUMERATED 0xa
+#define ASN1_SET 0x31
+
+#define ASN1_MAX_OIDS 20
+
+/* some well known object IDs */
+#define OID_SPNEGO "1 3 6 1 5 5 2"
+#define OID_NTLMSSP "1 3 6 1 4 1 311 2 2 10"
+#define OID_KERBEROS5_OLD "1 2 840 48018 1 2 2"
+#define OID_KERBEROS5 "1 2 840 113554 1 2 2"
+
+#define SPNEGO_NEG_RESULT_ACCEPT 0
+#define SPNEGO_NEG_RESULT_INCOMPLETE 1
+#define SPNEGO_NEG_RESULT_REJECT 2
+
+/* not really ASN.1, but RFC 1964 */
+#define TOK_ID_KRB_AP_REQ "\x01\x00"
+#define TOK_ID_KRB_AP_REP "\x02\x00"
+#define TOK_ID_KRB_ERROR "\x03\x00"
+#define TOK_ID_GSS_GETMIC "\x01\x01"
+#define TOK_ID_GSS_WRAP "\x02\x01"
+
+#endif /* _ASN_1_H */