forked from osmocom/wireshark
95 lines
5.0 KiB
C
95 lines
5.0 KiB
C
/* packet-per.h
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* Routines for dissection of ASN.1 Aligned PER
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* 2003 Ronnie Sahlberg
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*
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* $Id: packet-per.h,v 1.11 2003/10/09 22:35:07 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define NOT_DECODED_YET(x) \
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proto_tree_add_text(tree, tvb, offset, 0, "something unknown here"); \
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fprintf(stderr,"Not decoded yet in packet : %d [%s]\n", pinfo->fd->num,x);
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/* in all functions here, offset is guint32 and is
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byteposition<<3 + bitposition
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*/
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/* values for extensions */
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#define ASN1_NO_EXTENSIONS 0
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#define ASN1_EXTENSION_ROOT 1
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#define ASN1_NOT_EXTENSION_ROOT 2
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/* value for optional */
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#define ASN1_NOT_OPTIONAL 0
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#define ASN1_OPTIONAL 1
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typedef struct _per_choice_t {
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int value;
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char *name;
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int extension;
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int (*func)(tvbuff_t *, int, packet_info *, proto_tree *);
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} per_choice_t;
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typedef struct _per_sequence_t {
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char *name;
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int extension;
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int optional;
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int (*func)(tvbuff_t *, int, packet_info *, proto_tree *);
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} per_sequence_t;
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extern guint32 dissect_per_length_determinant(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, guint32 *length);
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extern guint32 dissect_per_normally_small_nonnegative_whole_number(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, guint32 *length);
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extern guint32 dissect_per_GeneralString(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index);
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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 *));
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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);
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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);
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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);
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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);
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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);
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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);
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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 *));
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extern guint32 dissect_per_object_identifier(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, char *value_string);
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extern guint32 dissect_per_boolean(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, gboolean *bool, proto_item **item);
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extern guint32 dissect_per_integer(tvbuff_t *tvb, guint32 offset, packet_info *pinfo, proto_tree *tree, int hf_index, gint32 *value, proto_item **item);
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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);
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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);
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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);
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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);
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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);
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