1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
#include "idl_types.h"
/*
IDL structures for NBT operations
NBT is not traditionally encoded using IDL/NDR. This is a bit of an
experiment, and I may well switch us back to a more traditional
encoding if it doesn't work out
*/
interface nbt
{
const int NBT_NAME_SERVICE_PORT = 137;
const int NBT_DGRAM_SERVICE_PORT = 138;
typedef [bitmap16bit] bitmap {
NBT_RCODE = 0x000F,
NBT_FLAG_BROADCAST = 0x0010,
NBT_FLAG_RECURSION_AVAIL = 0x0080,
NBT_FLAG_RECURSION_DESIRED = 0x0100,
NBT_FLAG_TRUNCATION = 0x0200,
NBT_FLAG_AUTHORITIVE = 0x0400,
NBT_OPCODE = 0x7800,
NBT_FLAG_REPLY = 0x8000
} nbt_operation;
/* the opcodes are in the operation field, masked with
NBT_OPCODE */
typedef enum {
NBT_OPCODE_QUERY = (0x0<<11),
NBT_OPCODE_REGISTER = (0x5<<11),
NBT_OPCODE_RELEASE = (0x6<<11),
NBT_OPCODE_WACK = (0x7<<11),
NBT_OPCODE_REFRESH = (0x8<<11),
NBT_OPCODE_REFRESH2 = (0x9<<11),
NBT_OPCODE_MULTI_HOME_REG = (0xf<<11)
} nbt_opcode;
/* rcode values */
typedef enum {
NBT_RCODE_OK = 0x0,
NBT_RCODE_FMT = 0x1,
NBT_RCODE_SVR = 0x2,
NBT_RCODE_NAM = 0x3,
NBT_RCODE_IMP = 0x4,
NBT_RCODE_RFS = 0x5,
NBT_RCODE_ACT = 0x6,
NBT_RCODE_CFT = 0x7
} nbt_rcode;
/* we support any 8bit name type, but by defining the common
ones here we get better debug displays */
typedef [enum8bit] enum {
NBT_NAME_CLIENT = 0x00,
NBT_NAME_MS = 0x01,
NBT_NAME_USER = 0x03,
NBT_NAME_SERVER = 0x20,
NBT_NAME_PDC = 0x1B,
NBT_NAME_LOGON = 0x1C,
NBT_NAME_MASTER = 0x1D,
NBT_NAME_BROWSER = 0x1E
} nbt_name_type;
/* the ndr parser for nbt_name is separately defined in
nbtname.c */
typedef [nopull,nopush] struct {
string name;
string scope;
nbt_name_type type;
} nbt_name;
typedef [enum16bit] enum {
NBT_QCLASS_IP = 0x01
} nbt_qclass;
typedef [enum16bit] enum {
NBT_QTYPE_ADDRESS = 0x0001,
NBT_QTYPE_NAMESERVICE = 0x0002,
NBT_QTYPE_NULL = 0x000A,
NBT_QTYPE_NETBIOS = 0x0020,
NBT_QTYPE_STATUS = 0x0021
} nbt_qtype;
typedef struct {
nbt_name name;
nbt_qtype question_type;
nbt_qclass question_class;
} nbt_name_question;
/* these are the possible values of the NBT_NM_OWNER_TYPE
field */
typedef enum {
NBT_NODE_B = 0x0000,
NBT_NODE_P = 0x2000,
NBT_NODE_M = 0x4000,
NBT_NODE_H = 0x6000
} nbt_node_type;
typedef [bitmap16bit] bitmap {
NBT_NM_PERMANENT = 0x0200,
NBT_NM_ACTIVE = 0x0400,
NBT_NM_CONFLICT = 0x0800,
NBT_NM_DEREGISTER = 0x1000,
NBT_NM_OWNER_TYPE = 0x6000,
NBT_NM_GROUP = 0x8000
} nb_flags;
typedef struct {
nb_flags nb_flags;
ipv4address ipaddr;
} nbt_rdata_address;
typedef struct {
uint16 length;
nbt_rdata_address addresses[length/6];
} nbt_rdata_netbios;
typedef struct {
uint8 unit_id[6];
uint8 jumpers;
uint8 test_result;
uint16 version_number;
uint16 period_of_statistics;
uint16 number_of_crcs;
uint16 number_alignment_errors;
uint16 number_of_collisions;
uint16 number_send_aborts;
uint32 number_good_sends;
uint32 number_good_receives;
uint16 number_retransmits;
uint16 number_no_resource_conditions;
uint16 number_free_command_blocks;
uint16 total_number_command_blocks;
uint16 max_total_number_command_blocks;
uint16 number_pending_sessions;
uint16 max_number_pending_sessions;
uint16 max_total_sessions_possible;
uint16 session_data_packet_size;
} nbt_statistics;
typedef struct {
astring15 name;
nbt_name_type type;
nb_flags nb_flags;
} nbt_status_name;
typedef struct {
[value(r->num_names * 18 + 47)] uint16 length;
uint8 num_names;
nbt_status_name names[num_names];
nbt_statistics statistics;
} nbt_rdata_status;
typedef struct {
uint16 length;
uint8 data[length];
} nbt_rdata_data;
typedef [nodiscriminant] union {
[case(NBT_QTYPE_NETBIOS)] nbt_rdata_netbios netbios;
[case(NBT_QTYPE_STATUS)] nbt_rdata_status status;
[default] nbt_rdata_data data;
} nbt_rdata;
typedef [flag(LIBNDR_PRINT_ARRAY_HEX)] struct {
nbt_name name;
nbt_qtype rr_type;
nbt_qclass rr_class;
uint32 ttl;
[switch_is(rr_type)] nbt_rdata rdata;
} nbt_res_rec;
typedef [flag(NDR_NOALIGN|NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
uint16 name_trn_id;
nbt_operation operation;
uint16 qdcount;
uint16 ancount;
uint16 nscount;
uint16 arcount;
nbt_name_question questions[qdcount];
nbt_res_rec answers[ancount];
nbt_res_rec nsrecs[nscount];
nbt_res_rec additional[arcount];
[flag(NDR_REMAINING)] DATA_BLOB padding;
} nbt_name_packet;
/*
NBT DGRAM packets (UDP/138)
*/
typedef [enum8bit] enum {
DGRAM_DIRECT_UNIQUE = 0x10,
DGRAM_DIRECT_GROUP = 0x11,
DGRAM_BCAST = 0x12,
DGRAM_ERROR = 0x13,
DGRAM_QUERY = 0x14,
DGRAM_QUERY_POSITIVE = 0x15,
DGRAM_QUERY_NEGATIVE = 0x16
} dgram_msg_type;
typedef [bitmap8bit] bitmap {
DGRAM_FLAG_MORE = 0x80,
DGRAM_FLAG_FIRST = 0x40,
DGRAM_FLAG_NODE_TYPE = 0x30
} dgram_flags;
typedef [enum8bit] enum {
DGRAM_NODE_B = 0x00,
DGRAM_NODE_P = 0x10,
DGRAM_NODE_M = 0x20,
DGRAM_NODE_NBDD = 0x30
} dgram_node_type;
/* a dgram_message is the main dgram body in general use */
typedef struct {
uint16 length;
uint16 offset;
nbt_name source_name;
nbt_name dest_name;
[flag(NDR_REMAINING)] DATA_BLOB data;
} dgram_message;
typedef [enum8bit] enum {
DGRAM_ERROR_NAME_NOT_PRESENT = 0x82,
DGRAM_ERROR_INVALID_SOURCE = 0x83,
DGRAM_ERROR_INVALID_DEST = 0x84
} dgram_err_code;
typedef [nodiscriminant] union {
[case(DGRAM_DIRECT_UNIQUE)] dgram_message msg;
[case(DGRAM_DIRECT_GROUP)] dgram_message msg;
[case(DGRAM_BCAST)] dgram_message msg;
[case(DGRAM_ERROR)] dgram_err_code error;
[case(DGRAM_QUERY)] nbt_name dest_name;
[case(DGRAM_QUERY_POSITIVE)] nbt_name dest_name;
[case(DGRAM_QUERY_NEGATIVE)] nbt_name dest_name;
} dgram_data;
typedef [flag(NDR_NOALIGN|NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
dgram_msg_type msg_type;
dgram_flags flags;
uint16 dgram_id;
ipv4address source;
uint16 src_port;
[switch_is(msg_type)] dgram_data data;
} nbt_dgram_packet;
}
|
