2 * Object IDentifier Support
6 * (c) 2007, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
8 * Wireshark - Network traffic analyzer
9 * By Gerald Combs <gerald@wireshark.org>
10 * Copyright 1998 Gerald Combs
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #define BER_TAG_ANY -1
37 typedef struct _oid_bits_info_t {
40 struct _oid_bit_t* data;
43 typedef enum _oid_key_type_t {
46 OID_KEY_TYPE_FIXED_STRING,
47 OID_KEY_TYPE_FIXED_BYTES,
55 typedef struct _oid_value_type_t {
62 oid_key_type_t keytype;
66 typedef enum _oid_kind_t {
73 OID_KIND_NOTIFICATION,
79 typedef struct _oid_key_t {
82 oid_key_type_t key_type;
86 struct _oid_key_t* next;
89 typedef struct _oid_info_t {
93 void* children; /* an emem_tree_t* */
94 const oid_value_type_t* value_type;
97 oid_bits_info_t* bits;
98 struct _oid_info_t* parent;
101 /* init funcion called from epan.h */
102 extern void oids_init(void);
105 * The objects returned by all these functions are all allocated with a
106 * packet lifetime and does not have have to be freed.
107 * However, take into account that when the packet dissection
108 * completes, these buffers will be automatically reclaimed/freed.
109 * If you need the buffer to remain for a longer scope than packet lifetime
110 * you must copy the content to an se_alloc() buffer.
114 * These functions convert through the various formats:
115 * string: is like "0.1.3.4.5.30" (not resolved)
116 * encoded: is BER encoded (as per X.690 section 8.19)
117 * subids: is an array of guint32s
120 /* return lenght of encoded buffer */
121 guint oid_subid2encoded(guint len, guint32* subids, guint8** encoded_p);
122 guint oid_string2encoded(const gchar *oid_str, guint8** encoded_p);
124 /* return lenght of subid array */
125 guint oid_encoded2subid(const guint8 *oid, gint len, guint32** subids_p);
126 guint oid_string2subid(const gchar *oid_str, guint32** subids_p);
128 extern const gchar* oid_encoded2string(const guint8* encoded, guint len);
129 extern const gchar* oid_subid2string(guint32 *subids, guint len);
131 /* these return a formated string as human readable as posible */
132 extern const gchar *oid_resolved(guint len, guint32 *subids);
133 extern const gchar *oid_resolved_from_encoded(const guint8 *oid, gint len);
134 extern const gchar *oid_resolved_from_string(const gchar *oid_str);
136 /* these yield two formated strings one resolved and one numeric */
137 extern void oid_both(guint oid_len, guint32 *subids, char** resolved_p, char** numeric_p);
138 extern void oid_both_from_encoded(const guint8 *oid, gint oid_len, char** resolved_p, char** numeric_p);
139 extern void oid_both_from_string(const gchar *oid_str, char** resolved_p, char** numeric_p);
142 * These return the info for the best match.
143 * *matched_p will be set to the number of nodes used by the returned oid
144 * *left_p will be set to the number of remaining unresolved subids
146 extern oid_info_t* oid_get(guint oid_len, guint32 *subids, guint* matched_p, guint* left_p);
147 extern oid_info_t* oid_get_from_encoded(const guint8 *oid, gint oid_len, guint32 **subids, guint* matched, guint* left);
148 extern oid_info_t* oid_get_from_string(const gchar *oid_str, guint32 **subids, guint* matched, guint* left);
150 /* these are used to add oids to the collection */
151 extern void oid_add(const char* name, guint oid_len, guint32 *subids);
152 extern void oid_add_from_encoded(const char* name, const guint8 *oid, gint oid_len);
153 extern void oid_add_from_string(const char* name, const gchar *oid_str);
156 /* macros for legacy oid functions */
157 /* from former oid_resolv.h */
158 #define add_oid_str_name(oidstr,oidname) oid_add_from_string(oidname, oidstr)
159 #define add_oid_name(oid, oid_len, name) oid_add_from_encoded(name,oid,oid_len)
160 #define get_oid_str_name(oidstr) oid_resolved_from_string(oidstr)
161 #define get_oid_name(encoid, encoid_len) oid_resolved_from_encoded(encoid, encoid_len)
162 #define oid_resolv_enabled() (1)
163 #define oid_resolv_cleanup() ((void)0)
166 #define oid_to_str(encoid, encoid_len) oid_encoded2string(encoid, encoid_len)
168 /* from former dissectors/format_oid.h */
169 #define format_oid(oid, oid_length) ((void*)oid_resolved(oid_length,oid))
170 #define new_format_oid(oid, oid_length, non_decoded, decoded) oid_both(oid_length, oid, non_decoded, decoded)
172 #define subid_t guint32
177 extern char* oid_test_a2b(guint32 num_subids, guint32* subids);
178 extern void add_oid_debug_subtree(oid_info_t* oid_info, proto_tree *tree);
180 #define add_oid_debug_subtree(a,b) ((void)0)