Major new upstream release, just ran svn-upgrade for now (and wrote some

debian/changelong entries).

1 files changed, 141 insertions, 0 deletions

diff --git a/src/pluto/asn1.h b/src/pluto/asn1.h
new file mode 100644
index 000000000..2a3fb3e9e
--- /dev/null
+++ b/src/pluto/asn1.h
@@ -0,0 +1,141 @@
+/* Simple ASN.1 parser
+ * Copyright (C) 2000-2004 Andreas Steffen, Zuercher Hochschule Winterthur
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ *
+ * RCSID $Id: asn1.h,v 1.14 2005/12/06 22:50:10 as Exp $
+ */
+
+#ifndef _ASN1_H
+#define _ASN1_H
+
+#include <stdarg.h>
+#include <gmp.h>
+
+#include "defs.h"
+
+/* Defines some primitive ASN1 types */
+
+typedef enum {
+    ASN1_EOC =			0x00,
+    ASN1_BOOLEAN =		0x01,
+    ASN1_INTEGER =		0x02,
+    ASN1_BIT_STRING =		0x03,
+    ASN1_OCTET_STRING = 	0x04,
+    ASN1_NULL = 		0x05,
+    ASN1_OID =			0x06,
+    ASN1_ENUMERATED =		0x0A,
+    ASN1_UTF8STRING =		0x0C,
+    ASN1_NUMERICSTRING =	0x12,
+    ASN1_PRINTABLESTRING =	0x13,
+    ASN1_T61STRING =		0x14,
+    ASN1_VIDEOTEXSTRING =	0x15,
+    ASN1_IA5STRING =		0x16,
+    ASN1_UTCTIME =		0x17,
+    ASN1_GENERALIZEDTIME =	0x18,
+    ASN1_GRAPHICSTRING =	0x19,
+    ASN1_VISIBLESTRING = 	0x1A,
+    ASN1_GENERALSTRING =	0x1B,
+    ASN1_UNIVERSALSTRING =	0x1C,
+    ASN1_BMPSTRING =		0x1E,
+
+    ASN1_CONSTRUCTED =		0x20,
+
+    ASN1_SEQUENCE =		0x30,
+
+    ASN1_SET =			0x31,
+
+    ASN1_CONTEXT_S_0 =		0x80,
+    ASN1_CONTEXT_S_1 =		0x81,
+    ASN1_CONTEXT_S_2 =		0x82,
+    ASN1_CONTEXT_S_3 =		0x83,
+    ASN1_CONTEXT_S_4 =		0x84,
+    ASN1_CONTEXT_S_5 =		0x85,
+    ASN1_CONTEXT_S_6 =		0x86,
+    ASN1_CONTEXT_S_7 =		0x87,
+    ASN1_CONTEXT_S_8 =		0x88,
+
+    ASN1_CONTEXT_C_0 =		0xA0,
+    ASN1_CONTEXT_C_1 =		0xA1,
+    ASN1_CONTEXT_C_2 =		0xA2,
+    ASN1_CONTEXT_C_3 =		0xA3,
+    ASN1_CONTEXT_C_4 =		0xA4,
+    ASN1_CONTEXT_C_5 =		0xA5
+} asn1_t;
+
+/* Definition of ASN1 flags */
+
+#define ASN1_NONE	0x00
+#define ASN1_DEF	0x01
+#define ASN1_OPT	0x02
+#define ASN1_LOOP	0x04
+#define ASN1_END	0x08
+#define ASN1_OBJ	0x10
+#define ASN1_BODY	0x20
+#define ASN1_RAW	0x40
+
+#define ASN1_INVALID_LENGTH	0xffffffff
+
+/* definition of an ASN.1 object */
+
+typedef struct {
+    u_int   level;
+    const u_char  *name;
+    asn1_t  type;
+    u_char  flags;
+} asn1Object_t;
+
+#define ASN1_MAX_LEVEL	10
+
+typedef struct {
+    bool  implicit;
+    u_int cond;
+    u_int level0;
+    u_int loopAddr[ASN1_MAX_LEVEL+1];
+    chunk_t  blobs[ASN1_MAX_LEVEL+2];
+} asn1_ctx_t;
+
+/* some common prefabricated ASN.1 constants */
+
+extern const chunk_t ASN1_INTEGER_0;
+extern const chunk_t ASN1_INTEGER_1;
+extern const chunk_t ASN1_INTEGER_2;
+
+/* some popular algorithmIdentifiers */
+extern const chunk_t ASN1_md5_id;
+extern const chunk_t ASN1_sha1_id;
+extern const chunk_t ASN1_rsaEncryption_id;
+extern const chunk_t ASN1_md5WithRSA_id;
+extern const chunk_t ASN1_sha1WithRSA_id;
+
+extern chunk_t asn1_algorithmIdentifier(int oid);
+extern int known_oid(chunk_t object);
+extern u_int asn1_length(chunk_t *blob);
+extern void code_asn1_length(size_t length, chunk_t *code);
+extern u_char* build_asn1_object(chunk_t *object, asn1_t type, size_t datalen);
+extern chunk_t asn1_integer_from_mpz(const mpz_t value);
+extern chunk_t asn1_simple_object(asn1_t tag, chunk_t content);
+extern chunk_t asn1_wrap(asn1_t type, const char *mode, ...);
+extern bool is_printablestring(chunk_t str);
+extern time_t asn1totime(const chunk_t *utctime, asn1_t type);
+extern chunk_t timetoasn1(const time_t *time, asn1_t type);
+extern void asn1_init(asn1_ctx_t *ctx, chunk_t blob
+    , u_int level0, bool implicit, u_int cond);
+extern bool extract_object(asn1Object_t const *objects
+    , u_int *objectID, chunk_t *object, u_int *level, asn1_ctx_t *ctx);
+extern bool parse_asn1_simple_object(chunk_t *object, asn1_t type, u_int level
+    , const char* name);
+extern int parse_algorithmIdentifier(chunk_t blob, int level0
+    , chunk_t *parameters);
+extern bool is_asn1(chunk_t blob);
+
+#endif /* _ASN1_H */
+