2 * Definitions for ASN.1 BER dissection
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
9 * Based on "g_asn1.h" from:
11 * GXSNMP -- An snmp mangament application
12 * Copyright (C) 1998 Gregory McLean & Jochen Friedrich
13 * Beholder RMON ethernet network monitor,Copyright (C) 1993 DNPAP group
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 #define ASN1_UNI 0 /* Universal */
34 #define ASN1_APL 1 /* Application */
35 #define ASN1_CTX 2 /* Context */
36 #define ASN1_PRV 3 /* Private */
39 #define ASN1_EOC 0 /* End Of Contents */
40 #define ASN1_BOL 1 /* Boolean */
41 #define ASN1_INT 2 /* Integer */
42 #define ASN1_BTS 3 /* Bit String */
43 #define ASN1_OTS 4 /* Octet String */
44 #define ASN1_NUL 5 /* Null */
45 #define ASN1_OJI 6 /* Object Identifier */
46 #define ASN1_OJD 7 /* Object Description */
47 #define ASN1_EXT 8 /* External */
48 #define ASN1_REAL 9 /* Real */
49 #define ASN1_ENUM 10 /* Enumerated */
50 #define ASN1_SEQ 16 /* Sequence */
51 #define ASN1_SET 17 /* Set */
52 #define ASN1_NUMSTR 18 /* Numerical String */
53 #define ASN1_PRNSTR 19 /* Printable String */
54 #define ASN1_TEXSTR 20 /* Teletext String */
55 #define ASN1_VIDSTR 21 /* Video String */
56 #define ASN1_IA5STR 22 /* IA5 String */
57 #define ASN1_UNITIM 23 /* Universal Time */
58 #define ASN1_GENTIM 24 /* General Time */
59 #define ASN1_GRASTR 25 /* Graphical String */
60 #define ASN1_VISSTR 26 /* Visible String */
61 #define ASN1_GENSTR 27 /* General String */
63 /* Primitive / Constructed */
64 #define ASN1_PRI 0 /* Primitive */
65 #define ASN1_CON 1 /* Constructed */
68 #define ASN1_ERR_NOERROR 0 /* no error */
69 #define ASN1_ERR_EOC_MISMATCH 1
70 #define ASN1_ERR_WRONG_TYPE 2 /* type not right */
71 #define ASN1_ERR_LENGTH_NOT_DEFINITE 3 /* length should be definite */
72 #define ASN1_ERR_LENGTH_MISMATCH 4
73 #define ASN1_ERR_WRONG_LENGTH_FOR_TYPE 5 /* length wrong for type */
75 typedef struct _ASN1_SCK ASN1_SCK;
79 tvbuff_t *tvb; /* Tvbuff whence the data comes */
80 int offset; /* Current offset in tvbuff */
83 #include <epan/dissectors/format-oid.h>
85 extern void asn1_open (ASN1_SCK *asn1, tvbuff_t *tvb, int offset);
86 extern void asn1_close (ASN1_SCK *asn1, int *offset);
87 extern int asn1_octet_decode (ASN1_SCK *asn1, guchar *ch);
88 extern int asn1_tag_decode (ASN1_SCK *asn1, guint *tag);
89 extern int asn1_id_decode (ASN1_SCK *asn1, guint *cls, guint *con, guint *tag);
90 extern int asn1_id_decode1 (ASN1_SCK *asn1, guint *tag);
91 extern int asn1_length_decode (ASN1_SCK *asn1, gboolean *def, guint *len);
92 extern int asn1_header_decode(ASN1_SCK *asn1, guint *cls, guint *con,
93 guint *tag, gboolean *defp, guint *lenp);
94 extern int asn1_eoc (ASN1_SCK *asn1, int eoc);
95 extern int asn1_eoc_decode (ASN1_SCK *asn1, int eoc);
96 extern int asn1_null_decode (ASN1_SCK *asn1, int enc_len);
97 extern int asn1_bool_decode (ASN1_SCK *asn1, int enc_len, gboolean *boolean);
98 extern int asn1_int32_value_decode (ASN1_SCK *asn1, int enc_len,
100 extern int asn1_int32_decode (ASN1_SCK *asn1, gint32 *integer, guint *nbytes);
101 extern int asn1_uint32_value_decode (ASN1_SCK *asn1, int enc_len,
103 extern int asn1_uint32_decode (ASN1_SCK *asn1, guint32 *integer, guint *nbytes);
104 extern int asn1_bits_decode (ASN1_SCK *asn1, int enc_len, guchar **bits,
105 guint *len, guchar *unused);
106 extern int asn1_string_value_decode (ASN1_SCK *asn1, int enc_len,
108 extern int asn1_string_decode (ASN1_SCK *asn1, guchar **octets, guint *str_len,
109 guint *nbytes, guint expected_tag);
110 extern int asn1_octet_string_decode (ASN1_SCK *asn1, guchar **octets,
111 guint *str_len, guint *nbytes);
112 extern int asn1_subid_decode (ASN1_SCK *asn1, subid_t *subid);
113 extern int asn1_oid_value_decode (ASN1_SCK *asn1, int enc_len, subid_t **oid,
115 extern int asn1_oid_decode (ASN1_SCK *asn1, subid_t **oid, guint *len,
117 extern int asn1_sequence_decode (ASN1_SCK *asn1, guint *seq_len, guint *nbytes);
119 extern const char *asn1_err_to_str (int err);