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"
27 a datagram name request
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,
112 DATA_BLOB dgram_mailslot_data(struct nbt_dgram_packet *dgram);
115 NTSTATUS dgram_mailslot_send(struct nbt_dgram_socket *dgmsock,
116 enum dgram_msg_type msg_type,
117 const char *mailslot_name,
118 struct nbt_name *dest_name,
119 const char *dest_address,
121 struct nbt_name *src_name,
124 NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
125 struct nbt_name *dest_name,
126 const char *dest_address,
128 struct nbt_name *src_name,
129 struct nbt_netlogon_packet *request);
130 NTSTATUS dgram_mailslot_netlogon_reply(struct nbt_dgram_socket *dgmsock,
131 struct nbt_dgram_packet *request,
132 const char *mailslot_name,
133 struct nbt_netlogon_packet *reply);
134 NTSTATUS dgram_mailslot_netlogon_parse(struct dgram_mailslot_handler *dgmslot,
136 struct nbt_dgram_packet *dgram,
137 struct nbt_netlogon_packet *netlogon);
139 NTSTATUS dgram_mailslot_ntlogon_send(struct nbt_dgram_socket *dgmsock,
140 enum dgram_msg_type msg_type,
141 struct nbt_name *dest_name,
142 const char *dest_address,
144 struct nbt_name *src_name,
145 struct nbt_ntlogon_packet *request);
146 NTSTATUS dgram_mailslot_ntlogon_reply(struct nbt_dgram_socket *dgmsock,
147 struct nbt_dgram_packet *request,
148 const char *mailslot_name,
149 struct nbt_ntlogon_packet *reply);
150 NTSTATUS dgram_mailslot_ntlogon_parse(struct dgram_mailslot_handler *dgmslot,
152 struct nbt_dgram_packet *dgram,
153 struct nbt_ntlogon_packet *ntlogon);