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packet-ncp-int.h
1 /* packet-ncp-int.h
2 * Structures and functions for NetWare Core Protocol.
3 * Gilbert Ramirez <gram@alumni.rice.edu>
4 * Modified for NDS support by Greg Morris (gmorris@novell.com)
5 *
6 * Portions Copyright (c) Gilbert Ramirez 2000-2002
7 * Portions Copyright (c) Novell, Inc. 2000-2003
8 *
9 * Wireshark - Network traffic analyzer
10 * By Gerald Combs <gerald@wireshark.org>
11 * Copyright 2000 Gerald Combs
12 *
13 * SPDX-License-Identifier: GPL-2.0-or-later
14 */
15
16 #ifndef __PACKET_NCP_INT_H__
17 #define __PACKET_NCP_INT_H__
18
19 #include <epan/expert.h>
20 #include <epan/ptvcursor.h>
21
22 typedef struct _ptvc_record ptvc_record;
23 typedef struct _sub_ptvc_record sub_ptvc_record;
24
25 typedef struct {
26 int *hf_ptr;
27 const char *first_string;
28 const char *repeat_string;
29 } info_string_t;
30
31 struct _ptvc_record {
32 int *hf_ptr;
33 gint length;
34 const sub_ptvc_record *sub_ptvc_rec;
35 const info_string_t *req_info_str;
36 unsigned int endianness;
37 unsigned int var_index : 2;
38 unsigned int repeat_index : 2;
39 unsigned int req_cond_index : 8;
40 };
41
42 /*
43 * Every NCP packet has this common header (except for burst packets).
44 */
45 struct ncp_common_header {
46 guint16 type;
47 guint8 sequence;
48 guint8 conn_low;
49 guint8 task;
50 guint8 conn_high; /* type=0x5555 doesn't have this */
51 };
52
53 extern gboolean nds_defragment;
54 extern gboolean nds_echo_eid;
55 extern gboolean ncp_echo_err;
56 extern gboolean ncp_echo_conn;
57 extern gboolean ncp_echo_server;
58 extern gboolean ncp_echo_file;
59 extern gboolean ncp_newstyle;
60
61 struct _sub_ptvc_record {
62 gint *ett;
63 const char *descr;
64 const ptvc_record *ptvc_rec;
65 };
66
67 typedef struct {
68 const char *dfilter_text;
69 struct epan_dfilter *dfilter;
70 } conditional_record;
71
72 struct novell_tap {
73 int stat;
74 int hdr;
75 };
76
77 typedef struct novell_tap _novell_tap;
78
79 typedef struct {
80 guint8 error_in_packet;
81 gint ncp_error_index;
82 } error_equivalency;
83
84 struct _ncp_record;
85 typedef void (ncp_expert_handler)(ptvcursor_t *ptvc, packet_info *pinfo, const struct _ncp_record *ncp_rec, gboolean request);
86
87 typedef struct _ncp_record {
88 guint8 func;
89 guint8 subfunc;
90 guint8 has_subfunc;
91 const gchar* name;
92 gint group;
93 const ptvc_record *request_ptvc;
94 const ptvc_record *reply_ptvc;
95 const error_equivalency *errors;
96 const int *req_cond_indexes;
97 unsigned int req_cond_size_type;
98 ncp_expert_handler *expert_handler_func;
99 } ncp_record;
100
101 typedef struct {
102 const ncp_record *ncp_rec;
103 gboolean *req_cond_results;
104 guint32 req_frame_num;
105 nstime_t req_frame_time;
106 guint16 length;
107 guint32 req_nds_flags;
108 guint32 req_nds_prot_flags;
109 guint8 nds_request_verb;
110 guint8 nds_version;
111 char object_name[256];
112 gboolean nds_frag;
113 guint32 nds_end_frag;
114 guint32 nds_frag_num;
115 guint16 req_mask;
116 guint16 req_mask_ext;
117 guint32 nds_frag_flags;
118 } ncp_req_hash_value;
119
120 WS_DLL_PUBLIC const value_string sss_verb_enum[];
121 WS_DLL_PUBLIC const value_string nmas_subverb_enum[];
122 WS_DLL_PUBLIC const value_string ncp_nds_verb_vals[];
123
124 void dissect_ncp_request(tvbuff_t*, packet_info*, guint32,
125 guint8, guint16, proto_tree *volatile);
126
127 void dissect_ncp_reply(tvbuff_t *, packet_info*, guint32, guint8,
128 guint16, proto_tree*, struct novell_tap*);
129
130 void dissect_ping_req(tvbuff_t *, packet_info*, guint32, guint8,
131 guint16, proto_tree*);
132
133 void dissect_nds_request(tvbuff_t*, packet_info*, guint32,
134 guint8, guint16, proto_tree*);
135
136 void nds_defrag(tvbuff_t*, packet_info*, guint32,
137 guint8, guint16, proto_tree*, struct novell_tap*);
138
139 extern int proto_ncp;
140 extern gint ett_ncp;
141 extern gint ett_nds;
142 extern gint ett_nds_segments;
143 extern gint ett_nds_segment;
144
145 /*extern dissector_handle_t nds_data_handle;*/
146
147 /*
148 * NCP packet types.
149 */
150 #define NCP_ALLOCATE_SLOT 0x1111
151 #define NCP_SERVICE_REQUEST 0x2222
152 #define NCP_SERVICE_REPLY 0x3333
153 #define NCP_WATCHDOG 0x3e3e
154 #define NCP_DEALLOCATE_SLOT 0x5555
155 #define NCP_BURST_MODE_XFER 0x7777
156 #define NCP_POSITIVE_ACK 0x9999
157 #define NCP_BROADCAST_SLOT 0xbbbb
158 #define NCP_LIP_ECHO 0x4c69
159
160 #endif
ncp_common_header
Definition: packet-ncp-int.h:45
_sub_ptvc_record
Definition: packet-ncp-int.h:61
_packet_info
Definition: packet_info.h:44
conditional_record
Definition: packet-ncp-int.h:67
tvbuff
Definition: tvbuff-int.h:35
nstime_t
Definition: nstime.h:27
novell_tap
Definition: packet-ncp-int.h:72
epan_dfilter
Definition: dfilter-int.h:19
error_equivalency
Definition: packet-ncp-int.h:79
_ptvc_record
Definition: packet-ncp-int.h:31
_value_string
Definition: value_string.h:24
_proto_node
Definition: proto.h:759
ptvcursor
Definition: proto.c:68
_ncp_record
Definition: packet-ncp-int.h:87
ncp_req_hash_value
Definition: packet-ncp-int.h:101
info_string_t
Definition: packet-ncp-int.h:25