2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
11 * Sending IRC commands over the network
28 #include "conn-func.h"
32 #include "irc-write.h"
35 #define SEND_TO_USER 1
36 #define SEND_TO_SERVER 2
39 static const char *Get_Prefix PARAMS((CLIENT *Target, CLIENT *Client));
40 static void cb_writeStrServersPrefixFlag PARAMS((CLIENT *Client,
41 CLIENT *Prefix, void *Buffer));
46 IRC_WriteStrClient( CLIENT *Client, const char *Format, ... )
49 IRC_WriteStrClient( Client, Format, va_alist )
59 assert( Client != NULL );
60 assert( Format != NULL );
63 va_start( ap, Format );
67 vsnprintf( buffer, 1000, Format, ap );
70 /* to the client itself */
71 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), "%s", buffer );
74 } /* IRC_WriteStrClient */
79 IRC_WriteStrClientPrefix(CLIENT *Client, CLIENT *Prefix, const char *Format, ...)
82 IRC_WriteStrClientPrefix(Client, Prefix, Format, va_alist)
89 /* send text to local and remote clients */
94 assert( Client != NULL );
95 assert( Format != NULL );
96 assert( Prefix != NULL );
99 va_start( ap, Format );
103 vsnprintf( buffer, 1000, Format, ap );
106 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
107 } /* IRC_WriteStrClientPrefix */
112 IRC_WriteStrChannel(CLIENT *Client, CHANNEL *Chan, bool Remote,
113 const char *Format, ...)
116 IRC_WriteStrChannel(Client, Chan, Remote, Format, va_alist)
127 assert( Client != NULL );
128 assert( Format != NULL );
131 va_start( ap, Format );
135 vsnprintf( buffer, 1000, Format, ap );
138 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, "%s", buffer );
139 } /* IRC_WriteStrChannel */
144 * send message to all clients in the same channel, but only send message
145 * once per remote server.
149 IRC_WriteStrChannelPrefix(CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix,
150 bool Remote, const char *Format, ...)
153 IRC_WriteStrChannelPrefix(Client, Chan, Prefix, Remote, Format, va_alist)
169 assert( Client != NULL );
170 assert( Chan != NULL );
171 assert( Prefix != NULL );
172 assert( Format != NULL );
175 va_start( ap, Format );
179 vsnprintf( buffer, 1000, Format, ap );
184 cl2chan = Channel_FirstMember( Chan );
187 c = Channel_GetClient( cl2chan );
190 if( Client_Conn( c ) <= NONE ) c = NULL;
191 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
193 if( c ) c = Client_NextHop( c );
195 if( c && ( c != Client ))
197 /* Ok, another Client */
198 conn = Client_Conn( c );
199 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
200 else Conn_SetFlag( conn, SEND_TO_USER );
202 cl2chan = Channel_NextMember( Chan, cl2chan );
205 conn = Conn_First( );
206 while( conn != NONE )
208 /* do we need to send data via this connection? */
209 if( Conn_Flag( conn ) == SEND_TO_SERVER) ok = Conn_WriteStr( conn, ":%s %s", Client_ID( Prefix ), buffer );
210 else if( Conn_Flag( conn ) == SEND_TO_USER ) ok = Conn_WriteStr( conn, ":%s %s", Client_Mask( Prefix ), buffer );
213 conn = Conn_Next( conn );
217 } /* IRC_WriteStrChannelPrefix */
222 IRC_WriteStrServers(CLIENT *ExceptOf, const char *Format, ...)
225 IRC_WriteStrServers(ExceptOf, Format, va_alist)
234 assert( Format != NULL );
237 va_start( ap, Format );
241 vsnprintf( buffer, 1000, Format, ap );
244 IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), "%s", buffer );
245 } /* IRC_WriteStrServers */
250 IRC_WriteStrServersPrefix(CLIENT *ExceptOf, CLIENT *Prefix,
251 const char *Format, ...)
254 IRC_WriteStrServersPrefix(ExceptOf, Prefix, Format, va_alist)
264 assert( Format != NULL );
265 assert( Prefix != NULL );
268 va_start( ap, Format );
272 vsnprintf( buffer, 1000, Format, ap );
275 IRC_WriteStrServersPrefixFlag( ExceptOf, Prefix, '\0', "%s", buffer );
276 } /* IRC_WriteStrServersPrefix */
281 IRC_WriteStrServersPrefixFlag(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
282 const char *Format, ...)
285 IRC_WriteStrServersPrefixFlag(ExceptOf, Prefix, Flag, Format, va_alist)
296 assert( Format != NULL );
297 assert( Prefix != NULL );
300 va_start( ap, Format );
304 vsnprintf( buffer, 1000, Format, ap );
307 IRC_WriteStrServersPrefixFlag_CB(ExceptOf, Prefix, Flag,
308 cb_writeStrServersPrefixFlag, buffer);
309 } /* IRC_WriteStrServersPrefixFlag */
313 IRC_WriteStrServersPrefixFlag_CB(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
314 void (*callback)(CLIENT *, CLIENT *, void *), void *cb_data)
320 if (Client_Type(c) == CLIENT_SERVER && Client_Conn(c) > NONE &&
321 c != Client_ThisServer() && c != ExceptOf) {
322 /* Found a target server, do the flags match? */
323 if (Flag == '\0' || strchr(Client_Flags(c), Flag))
324 callback(c, Prefix, cb_data);
328 } /* IRC_WriteStrServersPrefixFlag */
332 * send message to all clients that are in the same channels as the client sending this message.
333 * only send message once per reote server.
337 IRC_WriteStrRelatedPrefix(CLIENT *Client, CLIENT *Prefix, bool Remote,
338 const char *Format, ...)
341 IRC_WriteStrRelatedPrefix(Client, Prefix, Remote, Format, va_alist)
350 CL2CHAN *chan_cl2chan, *cl2chan;
357 assert( Client != NULL );
358 assert( Prefix != NULL );
359 assert( Format != NULL );
362 va_start( ap, Format );
366 vsnprintf( buffer, 1000, Format, ap );
371 chan_cl2chan = Channel_FirstChannelOf( Client );
372 while( chan_cl2chan )
374 chan = Channel_GetChannel( chan_cl2chan );
375 cl2chan = Channel_FirstMember( chan );
378 c = Channel_GetClient( cl2chan );
381 if( Client_Conn( c ) <= NONE ) c = NULL;
382 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
384 if( c ) c = Client_NextHop( c );
386 if( c && ( c != Client ))
388 conn = Client_Conn( c );
389 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
390 else Conn_SetFlag( conn, SEND_TO_USER );
392 cl2chan = Channel_NextMember( chan, cl2chan );
395 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
398 conn = Conn_First( );
399 while( conn != NONE )
401 /* send data via this connection? */
402 if( Conn_Flag( conn ) == SEND_TO_SERVER ) ok = Conn_WriteStr( conn, ":%s %s", Client_ID( Prefix ), buffer );
403 else if( Conn_Flag( conn ) == SEND_TO_USER ) ok = Conn_WriteStr( conn, ":%s %s", Client_Mask( Prefix ), buffer );
406 conn = Conn_Next( conn );
409 } /* IRC_WriteStrRelatedPrefix */
413 * Send WALLOPS message.
417 IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Format, ...)
420 IRC_SendWallops(Client, From, Format, va_alist )
432 va_start(ap, Format);
436 vsnprintf(msg, 1000, Format, ap);
439 for (to=Client_First(); to != NULL; to=Client_Next(to)) {
440 if (Client_Conn(to) == NONE) /* no local connection */
443 switch (Client_Type(to)) {
445 if (Client_HasMode(to, 'w'))
446 IRC_WriteStrClientPrefix(to, From,
451 IRC_WriteStrClientPrefix(to, From,
456 } /* IRC_SendWallops */
460 IRC_SetPenalty( CLIENT *Client, time_t Seconds )
464 assert( Client != NULL );
465 assert( Seconds > 0 );
467 if( Client_Type( Client ) == CLIENT_SERVER ) return;
469 c = Client_Conn( Client );
471 Conn_SetPenalty(c, Seconds);
472 } /* IRC_SetPenalty */
476 Get_Prefix( CLIENT *Target, CLIENT *Client )
478 assert( Target != NULL );
479 assert( Client != NULL );
481 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
482 else return Client_Mask( Client );
487 cb_writeStrServersPrefixFlag(CLIENT *Client, CLIENT *Prefix, void *Buffer)
489 IRC_WriteStrClientPrefix(Client, Prefix, "%s", Buffer);
490 } /* cb_writeStrServersPrefixFlag */