5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 2001 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; version 2 of the License.
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.
20 #ifndef CLIENT_INTERNAL_H
21 #define CLIENT_INTERNAL_H
23 /* Internal context for connection process. This is needed as we
24 doing asynchronous connecting. */
27 SilcClientConnection conn;
34 } SilcClientInternalConnectContext;
36 /* Structure to hold ping time information. Every PING command will
37 add entry of this structure and is removed after reply to the ping
39 struct SilcClientPingStruct {
45 /* Structure to hold away messages set by user. This is mainly created
46 for future extensions where away messages could be set according filters
47 such as nickname and hostname. For now only one away message can
48 be set in one connection. */
49 struct SilcClientAwayStruct {
51 struct SilcClientAwayStruct *next;
54 /* Internal context for the client->internal pointer in the SilcClient. */
55 struct SilcClientInternalStruct {
56 /* All client operations that are implemented by the application. */
57 SilcClientOperations *ops;
59 /* Client Parameters */
60 SilcClientParams *params;
62 /* Table of connections in client. All the connection data is saved here. */
63 SilcClientConnection *conns;
66 /* Table of listenning sockets in client. Client can have listeners
67 (like key agreement protocol server) and those sockets are saved here.
68 This table is checked always if the connection object cannot be found
69 from the `conns' table. */
70 SilcSocketConnection *sockets;
73 /* Registered commands */
76 /* Generic cipher and hash objects. */
77 SilcCipher none_cipher;
83 /* Client version. Used to compare to remote host's version strings. */
84 char *silc_client_version;
89 /* Registers generic task for file descriptor for reading from network and
90 writing to network. As being generic task the actual task is allocated
91 only once and after that the same task applies to all registered fd's. */
92 #define SILC_CLIENT_REGISTER_CONNECTION_FOR_IO(fd) \
94 silc_schedule_task_add(client->schedule, (fd), \
95 silc_client_packet_process, \
98 SILC_TASK_PRI_NORMAL); \
101 #define SILC_CLIENT_SET_CONNECTION_FOR_INPUT(s, fd) \
103 silc_schedule_set_listen_fd((s), (fd), SILC_TASK_READ); \
106 #define SILC_CLIENT_SET_CONNECTION_FOR_OUTPUT(s, fd) \
108 silc_schedule_set_listen_fd((s), (fd), (SILC_TASK_READ | \
112 /* Finds socket connection object by file descriptor */ \
113 #define SILC_CLIENT_GET_SOCK(__x, __fd, __sock) \
117 for (__i = 0; __i < (__x)->internal->conns_count; __i++) \
118 if ((__x)->internal->conns[__i] && \
119 (__x)->internal->conns[__i]->sock->sock == (__fd)) \
122 if (__i >= (__x)->internal->conns_count) { \
124 for (__i = 0; __i < (__x)->internal->sockets_count; __i++) \
125 if ((__x)->internal->sockets[__i] && \
126 (__x)->internal->sockets[__i]->sock == (__fd)) \
127 (__sock) = (__x)->internal->sockets[__i]; \
129 (__sock) = (__x)->internal->conns[__i]->sock; \
132 /* Check whether rekey protocol is active */
133 #define SILC_CLIENT_IS_REKEY(sock) \
134 (sock->protocol && sock->protocol->protocol && \
135 sock->protocol->protocol->type == SILC_PROTOCOL_CLIENT_REKEY)
139 SILC_TASK_CALLBACK_GLOBAL(silc_client_packet_process);
140 int silc_client_packet_send_real(SilcClient client,
141 SilcSocketConnection sock,
143 void silc_client_ftp_free_sessions(SilcClient client,
144 SilcClientConnection conn);
145 void silc_client_ftp_session_free(SilcClientFtpSession session);
146 void silc_client_ftp_session_free_client(SilcClientConnection conn,
147 SilcClientEntry client_entry);
148 void silc_client_packet_send(SilcClient client,
149 SilcSocketConnection sock,
152 SilcIdType dst_id_type,
158 void silc_client_disconnected_by_server(SilcClient client,
159 SilcSocketConnection sock,
161 void silc_client_error_by_server(SilcClient client,
162 SilcSocketConnection sock,
164 void silc_client_receive_new_id(SilcClient client,
165 SilcSocketConnection sock,
167 SilcChannelEntry silc_client_new_channel_id(SilcClient client,
168 SilcSocketConnection sock,
172 void silc_client_save_channel_key(SilcClientConnection conn,
173 SilcBuffer key_payload,
174 SilcChannelEntry channel);
175 void silc_client_receive_channel_key(SilcClient client,
176 SilcSocketConnection sock,
178 void silc_client_channel_message(SilcClient client,
179 SilcSocketConnection sock,
180 SilcPacketContext *packet);
181 void silc_client_remove_from_channels(SilcClient client,
182 SilcClientConnection conn,
183 SilcClientEntry client_entry);
184 void silc_client_replace_from_channels(SilcClient client,
185 SilcClientConnection conn,
187 SilcClientEntry newclient);
188 void silc_client_process_failure(SilcClient client,
189 SilcSocketConnection sock,
190 SilcPacketContext *packet);
191 void silc_client_key_agreement(SilcClient client,
192 SilcSocketConnection sock,
193 SilcPacketContext *packet);
194 void silc_client_notify_by_server(SilcClient client,
195 SilcSocketConnection sock,
196 SilcPacketContext *packet);
197 void silc_client_private_message(SilcClient client,
198 SilcSocketConnection sock,
199 SilcPacketContext *packet);
200 void silc_client_connection_auth_request(SilcClient client,
201 SilcSocketConnection sock,
202 SilcPacketContext *packet);
203 void silc_client_ftp(SilcClient client,
204 SilcSocketConnection sock,
205 SilcPacketContext *packet);