2 * Routines for dissection of ASN.1 Aligned PER
5 * $Id: packet-per.h,v 1.14 2004/04/09 00:31:41 sahlberg Exp $
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #ifndef __PACKET_PER_H__
27 #define __PACKET_PER_H__
29 #define NOT_DECODED_YET(x) \
30 proto_tree_add_text(tree, tvb, offset, 0, "something unknown here [%s]",x); \
31 fprintf(stderr,"Not decoded yet in packet : %d [%s]\n", pinfo->fd->num,x); \
32 if (check_col(pinfo->cinfo, COL_INFO)){ \
33 col_append_fstr(pinfo->cinfo, COL_INFO, "[UNKNOWN PER: %s]", x); \
35 tvb_get_guint8(tvb, 9999);
37 /* in all functions here, offset is guint32 and is
38 byteposition<<3 + bitposition
41 /* values for extensions */
42 #define ASN1_NO_EXTENSIONS 0
43 #define ASN1_EXTENSION_ROOT 1
44 #define ASN1_NOT_EXTENSION_ROOT 2
46 /* value for optional */
47 #define ASN1_NOT_OPTIONAL 0
48 #define ASN1_OPTIONAL 1
50 typedef struct _per_choice_t {
54 int (*func)(tvbuff_t *, int, packet_info *, proto_tree *);
57 typedef struct _per_sequence_t {
61 int (*func)(tvbuff_t *, int, packet_info *, proto_tree *);
65 extern guint32 dissect_per_length_determinant(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, guint32 *length);
67 extern guint32 dissect_per_GeneralString(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index);
69 extern guint32 dissect_per_sequence_of(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *parent_tree, int hf_index, gint ett_index, int (*func)(tvbuff_t *, int , packet_info *, proto_tree *));
71 extern guint32 dissect_per_IA5String(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len);
73 extern guint32 dissect_per_NumericString(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len);
75 extern guint32 dissect_per_PrintableString(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len);
77 extern guint32 dissect_per_BMPString(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len);
79 extern guint32 dissect_per_constrained_sequence_of(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *parent_tree, int hf_index, gint ett_index, int (*func)(tvbuff_t *, int , packet_info *, proto_tree *), int min_len, int max_len);
81 extern guint32 dissect_per_constrained_set_of(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *parent_tree, int hf_index, gint ett_index, int (*func)(tvbuff_t *, int , packet_info *, proto_tree *), int min_len, int max_len);
83 extern guint32 dissect_per_set_of(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *parent_tree, int hf_index, gint ett_index, int (*func)(tvbuff_t *, int , packet_info *, proto_tree *));
85 extern guint32 dissect_per_object_identifier(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, char *value_string);
87 extern guint32 dissect_per_boolean(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, gboolean *bool, proto_item **item);
89 extern guint32 dissect_per_integer(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, gint32 *value, proto_item **item);
91 extern guint32 dissect_per_constrained_integer(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, guint32 min, guint32 max, guint32 *value, proto_item **item, gboolean has_extension);
93 extern guint32 dissect_per_choice(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, gint ett_index, per_choice_t *choice, char *name, guint32 *value);
95 extern guint32 dissect_per_sequence(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *parent_tree, int hf_index, gint ett_index, per_sequence_t *sequence);
97 extern guint32 dissect_per_octet_string(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len, guint32 *value_offset, guint32 *value_len);
99 extern guint32 dissect_per_bit_string(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len);
101 extern guint32 dissect_per_restricted_character_string(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, int min_len, int max_len, char *alphabet, int alphabet_length);
103 #endif /* __PACKET_PER_H__ */