xref: /onnv-gate/usr/src/cmd/agents/snmp/snmplib/asn1.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1998 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #ifndef _ASN1_H_
30*0Sstevel@tonic-gate #define _ASN1_H_
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include "impl.h"
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /***** GLOBAL CONSTANTS *****/
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate #define MAX_SUBID   0xFFFFFFFF
38*0Sstevel@tonic-gate                                 /*SNMP imposes a restriction on the max. length     */
39*0Sstevel@tonic-gate                                 /* of any OID value to 128 numbers in the sequence. */
40*0Sstevel@tonic-gate #define MAX_OID_LEN	    128	/* max subid's in an oid */
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #define ASN_BOOLEAN	    (0x01)
43*0Sstevel@tonic-gate #define ASN_INTEGER	    (0x02)
44*0Sstevel@tonic-gate #define ASN_BIT_STR	    (0x03)
45*0Sstevel@tonic-gate #define ASN_OCTET_STR	    (0x04)
46*0Sstevel@tonic-gate #define ASN_NULL	    (0x05)
47*0Sstevel@tonic-gate #define ASN_OBJECT_ID	    (0x06)
48*0Sstevel@tonic-gate #define ASN_SEQUENCE	    (0x10)
49*0Sstevel@tonic-gate #define ASN_SET		    (0x11)
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate #define ASN_UNIVERSAL	    (0x00)
52*0Sstevel@tonic-gate #define ASN_APPLICATION     (0x40)
53*0Sstevel@tonic-gate #define ASN_CONTEXT	    (0x80)
54*0Sstevel@tonic-gate #define ASN_PRIVATE	    (0xC0)
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate #define ASN_PRIMITIVE	    (0x00)
57*0Sstevel@tonic-gate #define ASN_CONSTRUCTOR	    (0x20)
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate #define ASN_LONG_LEN	    (0x80)
60*0Sstevel@tonic-gate #define ASN_EXTENSION_ID    (0x1F)
61*0Sstevel@tonic-gate #define ASN_BIT8	    (0x80)
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate #define IS_CONSTRUCTOR(byte)	((byte) & ASN_CONSTRUCTOR)
64*0Sstevel@tonic-gate #define IS_EXTENSION_ID(byte)	(((byte) & ASN_EXTENSION_ID) == ASN_EXTENSION_ID)
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate #define INTEGER     ASN_INTEGER
68*0Sstevel@tonic-gate #define STRING      ASN_OCTET_STR
69*0Sstevel@tonic-gate #define OBJID       ASN_OBJECT_ID
70*0Sstevel@tonic-gate #define NULLOBJ     ASN_NULL
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate /* defined types (from the SMI, RFC 1065) */
73*0Sstevel@tonic-gate #define IPADDRESS   (ASN_APPLICATION | 0)
74*0Sstevel@tonic-gate #define COUNTER     (ASN_APPLICATION | 1)
75*0Sstevel@tonic-gate #define GAUGE       (ASN_APPLICATION | 2)
76*0Sstevel@tonic-gate #define TIMETICKS   (ASN_APPLICATION | 3)
77*0Sstevel@tonic-gate #define OPAQUE      (ASN_APPLICATION | 4)
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate /***** GLOBAL FUNCTIONS *****/
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate extern u_char *asn_parse_int(u_char *, uint32_t *, u_char *, int32_t *, uint32_t , char *);
83*0Sstevel@tonic-gate extern u_char *asn_parse_unsigned_int(u_char *, uint32_t *, u_char *,
84*0Sstevel@tonic-gate 			int32_t *, uint32_t, char *);
85*0Sstevel@tonic-gate extern u_char *asn_build_int(u_char *, uint32_t *, u_char, int32_t *, uint32_t, char *);
86*0Sstevel@tonic-gate extern u_char *asn_build_unsigned_int(u_char *, uint32_t *, u_char,
87*0Sstevel@tonic-gate 			int32_t *, uint32_t, char *);
88*0Sstevel@tonic-gate extern u_char *asn_parse_string(u_char *, uint32_t *, u_char *, u_char *, uint32_t *, char *);
89*0Sstevel@tonic-gate extern u_char *asn_build_string(u_char *, uint32_t *, u_char, u_char *, uint32_t, char *);
90*0Sstevel@tonic-gate extern u_char *asn_parse_header(u_char *, uint32_t *, u_char *, char *);
91*0Sstevel@tonic-gate extern u_char *asn_build_header(u_char *, uint32_t *, u_char, uint32_t, char *);
92*0Sstevel@tonic-gate extern u_char *asn_parse_length(u_char *, uint32_t *, char *);
93*0Sstevel@tonic-gate extern u_char *asn_build_length(u_char *, uint32_t *, uint32_t, char *);
94*0Sstevel@tonic-gate extern u_char *asn_parse_objid(u_char *, uint32_t *, u_char *, Subid *, int32_t *, char *);
95*0Sstevel@tonic-gate extern u_char *asn_build_objid(u_char *, uint32_t *, u_char, Subid *, int32_t, char *);
96*0Sstevel@tonic-gate extern u_char *asn_parse_null(u_char *, uint32_t *, u_char *, char *);
97*0Sstevel@tonic-gate extern u_char *asn_build_null(u_char *, uint32_t *, u_char, char *);
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate #endif
100