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));
42 static bool Send_Marked_Connections PARAMS((CLIENT *Prefix, const char *Buffer));
47 IRC_WriteStrClient( CLIENT *Client, const char *Format, ... )
50 IRC_WriteStrClient( Client, Format, va_alist )
60 assert( Client != NULL );
61 assert( Format != NULL );
64 va_start( ap, Format );
68 vsnprintf( buffer, 1000, Format, ap );
71 /* to the client itself */
72 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), "%s", buffer );
75 } /* IRC_WriteStrClient */
80 IRC_WriteStrClientPrefix(CLIENT *Client, CLIENT *Prefix, const char *Format, ...)
83 IRC_WriteStrClientPrefix(Client, Prefix, Format, va_alist)
90 /* send text to local and remote clients */
95 assert( Client != NULL );
96 assert( Format != NULL );
97 assert( Prefix != NULL );
100 va_start( ap, Format );
104 vsnprintf( buffer, 1000, Format, ap );
107 return Conn_WriteStr(Client_Conn(Client_NextHop(Client)), ":%s %s",
108 Get_Prefix(Client_NextHop(Client), Prefix), buffer);
109 } /* IRC_WriteStrClientPrefix */
114 IRC_WriteStrChannel(CLIENT *Client, CHANNEL *Chan, bool Remote,
115 const char *Format, ...)
118 IRC_WriteStrChannel(Client, Chan, Remote, Format, va_alist)
129 assert( Client != NULL );
130 assert( Format != NULL );
133 va_start( ap, Format );
137 vsnprintf( buffer, 1000, Format, ap );
140 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, "%s", buffer );
141 } /* IRC_WriteStrChannel */
146 * send message to all clients in the same channel, but only send message
147 * once per remote server.
151 IRC_WriteStrChannelPrefix(CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix,
152 bool Remote, const char *Format, ...)
155 IRC_WriteStrChannelPrefix(Client, Chan, Prefix, Remote, Format, va_alist)
170 assert( Client != NULL );
171 assert( Chan != NULL );
172 assert( Prefix != NULL );
173 assert( Format != NULL );
176 va_start( ap, Format );
180 vsnprintf( buffer, 1000, Format, ap );
185 cl2chan = Channel_FirstMember( Chan );
188 c = Channel_GetClient( cl2chan );
191 if( Client_Conn( c ) <= NONE ) c = NULL;
192 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
194 if( c ) c = Client_NextHop( c );
196 if( c && ( c != Client ))
198 /* Ok, another Client */
199 conn = Client_Conn( c );
200 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
201 else Conn_SetFlag( conn, SEND_TO_USER );
203 cl2chan = Channel_NextMember( Chan, cl2chan );
205 return Send_Marked_Connections(Prefix, buffer);
206 } /* IRC_WriteStrChannelPrefix */
211 IRC_WriteStrServers(CLIENT *ExceptOf, const char *Format, ...)
214 IRC_WriteStrServers(ExceptOf, Format, va_alist)
223 assert( Format != NULL );
226 va_start( ap, Format );
230 vsnprintf( buffer, 1000, Format, ap );
233 IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), "%s", buffer );
234 } /* IRC_WriteStrServers */
239 IRC_WriteStrServersPrefix(CLIENT *ExceptOf, CLIENT *Prefix,
240 const char *Format, ...)
243 IRC_WriteStrServersPrefix(ExceptOf, Prefix, Format, va_alist)
253 assert( Format != NULL );
254 assert( Prefix != NULL );
257 va_start( ap, Format );
261 vsnprintf( buffer, 1000, Format, ap );
264 IRC_WriteStrServersPrefixFlag( ExceptOf, Prefix, '\0', "%s", buffer );
265 } /* IRC_WriteStrServersPrefix */
270 IRC_WriteStrServersPrefixFlag(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
271 const char *Format, ...)
274 IRC_WriteStrServersPrefixFlag(ExceptOf, Prefix, Flag, Format, va_alist)
285 assert( Format != NULL );
286 assert( Prefix != NULL );
289 va_start( ap, Format );
293 vsnprintf( buffer, 1000, Format, ap );
296 IRC_WriteStrServersPrefixFlag_CB(ExceptOf, Prefix, Flag,
297 cb_writeStrServersPrefixFlag, buffer);
298 } /* IRC_WriteStrServersPrefixFlag */
302 IRC_WriteStrServersPrefixFlag_CB(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
303 void (*callback)(CLIENT *, CLIENT *, void *), void *cb_data)
309 if (Client_Type(c) == CLIENT_SERVER && Client_Conn(c) > NONE &&
310 c != Client_ThisServer() && c != ExceptOf) {
311 /* Found a target server, do the flags match? */
312 if (Flag == '\0' || strchr(Client_Flags(c), Flag))
313 callback(c, Prefix, cb_data);
317 } /* IRC_WriteStrServersPrefixFlag */
321 * send message to all clients that are in the same channels as the client sending this message.
322 * only send message once per reote server.
326 IRC_WriteStrRelatedPrefix(CLIENT *Client, CLIENT *Prefix, bool Remote,
327 const char *Format, ...)
330 IRC_WriteStrRelatedPrefix(Client, Prefix, Remote, Format, va_alist)
338 CL2CHAN *chan_cl2chan, *cl2chan;
345 assert( Client != NULL );
346 assert( Prefix != NULL );
347 assert( Format != NULL );
350 va_start( ap, Format );
354 vsnprintf( buffer, 1000, Format, ap );
359 chan_cl2chan = Channel_FirstChannelOf( Client );
360 while( chan_cl2chan )
362 chan = Channel_GetChannel( chan_cl2chan );
363 cl2chan = Channel_FirstMember( chan );
366 c = Channel_GetClient( cl2chan );
369 if( Client_Conn( c ) <= NONE ) c = NULL;
370 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
372 if( c ) c = Client_NextHop( c );
374 if( c && ( c != Client ))
376 conn = Client_Conn( c );
377 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
378 else Conn_SetFlag( conn, SEND_TO_USER );
380 cl2chan = Channel_NextMember( chan, cl2chan );
383 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
385 return Send_Marked_Connections(Prefix, buffer);
386 } /* IRC_WriteStrRelatedPrefix */
390 * Send WALLOPS message.
394 IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Format, ...)
397 IRC_SendWallops(Client, From, Format, va_alist )
409 va_start(ap, Format);
413 vsnprintf(msg, 1000, Format, ap);
416 for (to=Client_First(); to != NULL; to=Client_Next(to)) {
417 if (Client_Conn(to) == NONE) /* no local connection */
420 switch (Client_Type(to)) {
422 if (Client_HasMode(to, 'w'))
423 IRC_WriteStrClientPrefix(to, From,
428 IRC_WriteStrClientPrefix(to, From,
433 } /* IRC_SendWallops */
437 IRC_SetPenalty( CLIENT *Client, time_t Seconds )
441 assert( Client != NULL );
442 assert( Seconds > 0 );
444 if( Client_Type( Client ) == CLIENT_SERVER ) return;
446 c = Client_Conn( Client );
448 Conn_SetPenalty(c, Seconds);
449 } /* IRC_SetPenalty */
453 Get_Prefix(CLIENT *Target, CLIENT *Client)
455 assert (Target != NULL);
456 assert (Client != NULL);
458 if (Client_Type(Target) == CLIENT_SERVER)
459 return Client_ID(Client);
461 return Client_MaskCloaked(Client);
466 cb_writeStrServersPrefixFlag(CLIENT *Client, CLIENT *Prefix, void *Buffer)
468 IRC_WriteStrClientPrefix(Client, Prefix, "%s", Buffer);
469 } /* cb_writeStrServersPrefixFlag */
473 Send_Marked_Connections(CLIENT *Prefix, const char *Buffer)
478 assert(Prefix != NULL);
479 assert(Buffer != NULL);
482 while (conn != NONE) {
483 if (Conn_Flag(conn) == SEND_TO_SERVER)
484 ok = Conn_WriteStr(conn, ":%s %s",
485 Client_ID(Prefix), Buffer);
486 else if (Conn_Flag(conn) == SEND_TO_USER)
487 ok = Conn_WriteStr(conn, ":%s %s",
488 Client_MaskCloaked(Prefix), Buffer);
491 conn = Conn_Next( conn );