source: vendor/current/source4/libcli/dgram/libdgram.h

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 5.1 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 a raw async NBT DGRAM library
5
6 Copyright (C) Andrew Tridgell 2005
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "../libcli/netlogon/netlogon.h"
23
24/*
25 a datagram name request
26*/
27struct nbt_dgram_request {
28 struct nbt_dgram_request *next, *prev;
29
30 /* where to send the request */
31 struct socket_address *dest;
32
33 /* the encoded request */
34 DATA_BLOB encoded;
35};
36
37/*
38 context structure for operations on dgram packets
39*/
40struct nbt_dgram_socket {
41 struct socket_context *sock;
42 struct tevent_context *event_ctx;
43
44 /* the fd event */
45 struct tevent_fd *fde;
46
47 /* a queue of outgoing requests */
48 struct nbt_dgram_request *send_queue;
49
50 /* a list of mailslot handlers */
51 struct dgram_mailslot_handler *mailslot_handlers;
52
53 /* what to do with incoming request packets */
54 struct {
55 void (*handler)(struct nbt_dgram_socket *, struct nbt_dgram_packet *,
56 struct socket_address *src);
57 void *private_data;
58 } incoming;
59};
60
61
62/*
63 the mailslot code keeps a list of mailslot handlers. A mailslot
64 handler is a function that receives incoming packets for a specific
65 mailslot name. When a caller needs to send a mailslot and wants to
66 get a reply then it needs to register itself as listening for
67 incoming packets on the reply mailslot
68*/
69
70typedef void (*dgram_mailslot_handler_t)(struct dgram_mailslot_handler *,
71 struct nbt_dgram_packet *,
72 struct socket_address *src);
73
74struct dgram_mailslot_handler {
75 struct dgram_mailslot_handler *next, *prev;
76
77 struct nbt_dgram_socket *dgmsock;
78 const char *mailslot_name;
79
80 dgram_mailslot_handler_t handler;
81 void *private_data;
82};
83
84
85/* prototypes */
86NTSTATUS nbt_dgram_send(struct nbt_dgram_socket *dgmsock,
87 struct nbt_dgram_packet *packet,
88 struct socket_address *dest);
89NTSTATUS dgram_set_incoming_handler(struct nbt_dgram_socket *dgmsock,
90 void (*handler)(struct nbt_dgram_socket *,
91 struct nbt_dgram_packet *,
92 struct socket_address *),
93 void *private_data);
94struct nbt_dgram_socket *nbt_dgram_socket_init(TALLOC_CTX *mem_ctx,
95 struct tevent_context *event_ctx);
96
97const char *dgram_mailslot_name(struct nbt_dgram_packet *packet);
98struct dgram_mailslot_handler *dgram_mailslot_find(struct nbt_dgram_socket *dgmsock,
99 const char *mailslot_name);
100struct dgram_mailslot_handler *dgram_mailslot_listen(struct nbt_dgram_socket *dgmsock,
101 const char *mailslot_name,
102 dgram_mailslot_handler_t handler,
103 void *private_data);
104struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgmsock,
105 const char *mailslot_name,
106 dgram_mailslot_handler_t handler,
107 void *private_data);
108DATA_BLOB dgram_mailslot_data(struct nbt_dgram_packet *dgram);
109
110
111NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
112 enum dgram_msg_type msg_type,
113 const char *mailslot_name,
114 struct nbt_name *dest_name,
115 struct socket_address *dest,
116 struct nbt_name *src_name,
117 DATA_BLOB *request);
118
119NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
120 struct nbt_name *dest_name,
121 struct socket_address *dest,
122 const char *mailslot_name,
123 struct nbt_name *src_name,
124 struct nbt_netlogon_packet *request);
125NTSTATUS dgram_mailslot_netlogon_reply(struct nbt_dgram_socket *dgmsock,
126 struct nbt_dgram_packet *request,
127 const char *my_netbios_name,
128 const char *mailslot_name,
129 struct nbt_netlogon_response *reply);
130NTSTATUS dgram_mailslot_netlogon_parse_request(struct dgram_mailslot_handler *dgmslot,
131 TALLOC_CTX *mem_ctx,
132 struct nbt_dgram_packet *dgram,
133 struct nbt_netlogon_packet *netlogon);
134
135NTSTATUS dgram_mailslot_netlogon_parse_response(struct dgram_mailslot_handler *dgmslot,
136 TALLOC_CTX *mem_ctx,
137 struct nbt_dgram_packet *dgram,
138 struct nbt_netlogon_response *netlogon);
139
140NTSTATUS dgram_mailslot_browse_send(struct nbt_dgram_socket *dgmsock,
141 struct nbt_name *dest_name,
142 struct socket_address *dest,
143 struct nbt_name *src_name,
144 struct nbt_browse_packet *request);
145
146NTSTATUS dgram_mailslot_browse_reply(struct nbt_dgram_socket *dgmsock,
147 struct nbt_dgram_packet *request,
148 const char *mailslot_name,
149 const char *my_netbios_name,
150 struct nbt_browse_packet *reply);
151
152NTSTATUS dgram_mailslot_browse_parse(struct dgram_mailslot_handler *dgmslot,
153 TALLOC_CTX *mem_ctx,
154 struct nbt_dgram_packet *dgram,
155 struct nbt_browse_packet *pkt);
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