2 Unix SMB/CIFS implementation.
4 a raw async NBT DGRAM library
6 Copyright (C) Andrew Tridgell 2005
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 2 of the License, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "librpc/gen_ndr/ndr_nbt.h"
29 struct nbt_dgram_request {
30 struct nbt_dgram_request *next, *prev;
32 /* where to send the request */
33 const char *dest_addr;
36 /* the encoded request */
41 context structure for operations on dgram packets
43 struct nbt_dgram_socket {
44 struct socket_context *sock;
45 struct event_context *event_ctx;
50 /* a queue of outgoing requests */
51 struct nbt_dgram_request *send_queue;
53 /* a list of mailslot handlers */
54 struct dgram_mailslot_handler *mailslot_handlers;
56 /* what to do with incoming request packets */
58 void (*handler)(struct nbt_dgram_socket *, struct nbt_dgram_packet *,
66 the mailslot code keeps a list of mailslot handlers. A mailslot
67 handler is a function that receives incoming packets for a specific
68 mailslot name. When a caller needs to send a mailslot and wants to
69 get a reply then it needs to register itself as listening for
70 incoming packets on the reply mailslot
73 typedef void (*dgram_mailslot_handler_t)(struct dgram_mailslot_handler *,
74 struct nbt_dgram_packet *,
77 struct dgram_mailslot_handler {
78 struct dgram_mailslot_handler *next, *prev;
80 struct nbt_dgram_socket *dgmsock;
81 const char *mailslot_name;
83 dgram_mailslot_handler_t handler;
89 NTSTATUS nbt_dgram_send(struct nbt_dgram_socket *dgmsock,
90 struct nbt_dgram_packet *packet,
91 const char *dest_addr,
93 NTSTATUS dgram_set_incoming_handler(struct nbt_dgram_socket *dgmsock,
94 void (*handler)(struct nbt_dgram_socket *,
95 struct nbt_dgram_packet *,
98 struct nbt_dgram_socket *nbt_dgram_socket_init(TALLOC_CTX *mem_ctx,
99 struct event_context *event_ctx);
101 const char *dgram_mailslot_name(struct nbt_dgram_packet *packet);
102 struct dgram_mailslot_handler *dgram_mailslot_find(struct nbt_dgram_socket *dgmsock,
103 const char *mailslot_name);
104 struct dgram_mailslot_handler *dgram_mailslot_listen(struct nbt_dgram_socket *dgmsock,
105 const char *mailslot_name,
106 dgram_mailslot_handler_t handler,
108 struct dgram_mailslot_handler *dgram_mailslot_temp(struct nbt_dgram_socket *dgmsock,
109 const char *mailslot_name,
110 dgram_mailslot_handler_t handler,
114 NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
115 enum dgram_msg_type msg_type,
116 const char *mailslot_name,
117 struct nbt_name *dest_name,
118 const char *dest_address,
120 struct nbt_name *src_name,
123 NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
124 struct nbt_name *dest_name,
125 const char *dest_address,
127 struct nbt_name *src_name,
128 struct nbt_netlogon_packet *request);
129 NTSTATUS dgram_mailslot_netlogon_reply(struct nbt_dgram_socket *dgmsock,
130 struct nbt_dgram_packet *request,
131 const char *mailslot_name,
132 struct nbt_netlogon_packet *reply);
133 NTSTATUS dgram_mailslot_netlogon_parse(struct dgram_mailslot_handler *dgmslot,
135 struct nbt_dgram_packet *dgram,
136 struct nbt_netlogon_packet *netlogon);
138 NTSTATUS dgram_mailslot_ntlogon_send(struct nbt_dgram_socket *dgmsock,
139 struct nbt_name *dest_name,
140 const char *dest_address,
142 struct nbt_name *src_name,
143 struct nbt_ntlogon_packet *request);
144 NTSTATUS dgram_mailslot_ntlogon_reply(struct nbt_dgram_socket *dgmsock,
145 struct nbt_dgram_packet *request,
146 const char *mailslot_name,
147 struct nbt_ntlogon_packet *reply);
148 NTSTATUS dgram_mailslot_ntlogon_parse(struct dgram_mailslot_handler *dgmslot,
150 struct nbt_dgram_packet *dgram,
151 struct nbt_ntlogon_packet *ntlogon);