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
|
/*
Unix SMB/CIFS implementation.
a raw async NBT DGRAM library
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "../libcli/netlogon.h"
/*
a datagram name request
*/
struct nbt_dgram_request {
struct nbt_dgram_request *next, *prev;
/* where to send the request */
struct socket_address *dest;
/* the encoded request */
DATA_BLOB encoded;
};
/*
context structure for operations on dgram packets
*/
struct nbt_dgram_socket {
struct socket_context *sock;
struct event_context *event_ctx;
struct smb_iconv_convenience *iconv_convenience;
/* the fd event */
struct fd_event *fde;
/* a queue of outgoing requests */
struct nbt_dgram_request *send_queue;
/* a list of mailslot handlers */
struct dgram_mailslot_handler *mailslot_handlers;
/* what to do with incoming request packets */
struct {
void (*handler)(struct nbt_dgram_socket *, struct nbt_dgram_packet *,
struct socket_address *src);
void *private;
} incoming;
};
/*
the mailslot code keeps a list of mailslot handlers. A mailslot
handler is a function that receives incoming packets for a specific
mailslot name. When a caller needs to send a mailslot and wants to
get a reply then it needs to register itself as listening for
incoming packets on the reply mailslot
*/
typedef void (*dgram_mailslot_handler_t)(struct dgram_mailslot_handler *,
struct nbt_dgram_packet *,
struct socket_address *src);
struct dgram_mailslot_handler {
struct dgram_mailslot_handler *next, *prev;
struct nbt_dgram_socket *dgmsock;
const char *mailslot_name;
dgram_mailslot_handler_t handler;
void *private;
};
/* prototypes */
NTSTATUS nbt_dgram_send(struct nbt_dgram_socket *dgmsock,
struct nbt_dgram_packet *packet,
struct socket_address *dest);
NTSTATUS dgram_set_incoming_handler(struct nbt_dgram_socket *dgmsock,
void (*handler)(struct nbt_dgram_socket *,
struct nbt_dgram_packet *,
struct socket_address *),
void *private);
struct nbt_dgram_socket *nbt_dgram_socket_init(TALLOC_CTX *mem_ctx,
struct event_context *event_ctx,
struct smb_iconv_convenience *);
const char *dgram_mailslot_name(struct nbt_dgram_packet *packet);
struct dgram_mailslot_handler *dgram_mailslot_find(struct nbt_dgram_socket *dgmsock,
const char *mailslot_name);
struct dgram_mailslot_handler *dgram_mailslot_listen(struct nbt_dgram_socket *dgmsock,
const char *mailslot_name,
dgram_mailslot_handler_t handler,
void *private);
struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgmsock,
const char *mailslot_name,
dgram_mailslot_handler_t handler,
void *private);
DATA_BLOB dgram_mailslot_data(struct nbt_dgram_packet *dgram);
NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
enum dgram_msg_type msg_type,
const char *mailslot_name,
struct nbt_name *dest_name,
struct socket_address *dest,
struct nbt_name *src_name,
DATA_BLOB *request);
NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
struct nbt_name *dest_name,
struct socket_address *dest,
const char *mailslot_name,
struct nbt_name *src_name,
struct nbt_netlogon_packet *request);
NTSTATUS dgram_mailslot_netlogon_reply(struct nbt_dgram_socket *dgmsock,
struct nbt_dgram_packet *request,
const char *my_netbios_name,
const char *mailslot_name,
struct nbt_netlogon_response *reply);
NTSTATUS dgram_mailslot_netlogon_parse_request(struct dgram_mailslot_handler *dgmslot,
TALLOC_CTX *mem_ctx,
struct nbt_dgram_packet *dgram,
struct nbt_netlogon_packet *netlogon);
NTSTATUS dgram_mailslot_netlogon_parse_response(struct dgram_mailslot_handler *dgmslot,
TALLOC_CTX *mem_ctx,
struct nbt_dgram_packet *dgram,
struct nbt_netlogon_response *netlogon);
NTSTATUS dgram_mailslot_browse_send(struct nbt_dgram_socket *dgmsock,
struct nbt_name *dest_name,
struct socket_address *dest,
struct nbt_name *src_name,
struct nbt_browse_packet *request);
NTSTATUS dgram_mailslot_browse_reply(struct nbt_dgram_socket *dgmsock,
struct nbt_dgram_packet *request,
const char *mailslot_name,
const char *my_netbios_name,
struct nbt_browse_packet *reply);
NTSTATUS dgram_mailslot_browse_parse(struct dgram_mailslot_handler *dgmslot,
TALLOC_CTX *mem_ctx,
struct nbt_dgram_packet *dgram,
struct nbt_browse_packet *pkt);
|
