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.
16 * Sending IRC commands over the network
30 #include "conn-func.h"
34 #include "irc-write.h"
37 #define SEND_TO_USER 1
38 #define SEND_TO_SERVER 2
41 static const char *Get_Prefix PARAMS((CLIENT *Target, CLIENT *Client));
42 static void cb_writeStrServersPrefixFlag PARAMS((CLIENT *Client,
43 CLIENT *Prefix, void *Buffer));
44 static bool Send_Marked_Connections PARAMS((CLIENT *Prefix, const char *Buffer));
49 IRC_WriteStrClient( CLIENT *Client, const char *Format, ... )
52 IRC_WriteStrClient( Client, Format, va_alist )
62 assert( Client != NULL );
63 assert( Format != NULL );
66 va_start( ap, Format );
70 vsnprintf( buffer, 1000, Format, ap );
73 /* to the client itself */
74 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), "%s", buffer );
77 } /* IRC_WriteStrClient */
82 IRC_WriteStrClientPrefix(CLIENT *Client, CLIENT *Prefix, const char *Format, ...)
85 IRC_WriteStrClientPrefix(Client, Prefix, Format, va_alist)
92 /* send text to local and remote clients */
97 assert( Client != NULL );
98 assert( Format != NULL );
99 assert( Prefix != NULL );
102 va_start( ap, Format );
106 vsnprintf( buffer, 1000, Format, ap );
109 return Conn_WriteStr(Client_Conn(Client_NextHop(Client)), ":%s %s",
110 Get_Prefix(Client_NextHop(Client), Prefix), buffer);
111 } /* IRC_WriteStrClientPrefix */
116 IRC_WriteStrChannel(CLIENT *Client, CHANNEL *Chan, bool Remote,
117 const char *Format, ...)
120 IRC_WriteStrChannel(Client, Chan, Remote, Format, va_alist)
131 assert( Client != NULL );
132 assert( Format != NULL );
135 va_start( ap, Format );
139 vsnprintf( buffer, 1000, Format, ap );
142 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, "%s", buffer );
143 } /* IRC_WriteStrChannel */
148 * send message to all clients in the same channel, but only send message
149 * once per remote server.
153 IRC_WriteStrChannelPrefix(CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix,
154 bool Remote, const char *Format, ...)
157 IRC_WriteStrChannelPrefix(Client, Chan, Prefix, Remote, Format, va_alist)
172 assert( Client != NULL );
173 assert( Chan != NULL );
174 assert( Prefix != NULL );
175 assert( Format != NULL );
178 va_start( ap, Format );
182 vsnprintf( buffer, 1000, Format, ap );
187 cl2chan = Channel_FirstMember( Chan );
190 c = Channel_GetClient( cl2chan );
193 if( Client_Conn( c ) <= NONE ) c = NULL;
194 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
196 if( c ) c = Client_NextHop( c );
198 if( c && ( c != Client ))
200 /* Ok, another Client */
201 conn = Client_Conn( c );
202 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
203 else Conn_SetFlag( conn, SEND_TO_USER );
205 cl2chan = Channel_NextMember( Chan, cl2chan );
207 return Send_Marked_Connections(Prefix, buffer);
208 } /* IRC_WriteStrChannelPrefix */
213 IRC_WriteStrServers(CLIENT *ExceptOf, const char *Format, ...)
216 IRC_WriteStrServers(ExceptOf, Format, va_alist)
225 assert( Format != NULL );
228 va_start( ap, Format );
232 vsnprintf( buffer, 1000, Format, ap );
235 IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), "%s", buffer );
236 } /* IRC_WriteStrServers */
241 IRC_WriteStrServersPrefix(CLIENT *ExceptOf, CLIENT *Prefix,
242 const char *Format, ...)
245 IRC_WriteStrServersPrefix(ExceptOf, Prefix, Format, va_alist)
255 assert( Format != NULL );
256 assert( Prefix != NULL );
259 va_start( ap, Format );
263 vsnprintf( buffer, 1000, Format, ap );
266 IRC_WriteStrServersPrefixFlag( ExceptOf, Prefix, '\0', "%s", buffer );
267 } /* IRC_WriteStrServersPrefix */
272 IRC_WriteStrServersPrefixFlag(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
273 const char *Format, ...)
276 IRC_WriteStrServersPrefixFlag(ExceptOf, Prefix, Flag, Format, va_alist)
287 assert( Format != NULL );
288 assert( Prefix != NULL );
291 va_start( ap, Format );
295 vsnprintf( buffer, 1000, Format, ap );
298 IRC_WriteStrServersPrefixFlag_CB(ExceptOf, Prefix, Flag,
299 cb_writeStrServersPrefixFlag, buffer);
300 } /* IRC_WriteStrServersPrefixFlag */
304 IRC_WriteStrServersPrefixFlag_CB(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
305 void (*callback)(CLIENT *, CLIENT *, void *), void *cb_data)
311 if (Client_Type(c) == CLIENT_SERVER && Client_Conn(c) > NONE &&
312 c != Client_ThisServer() && c != ExceptOf) {
313 /* Found a target server, do the flags match? */
314 if (Flag == '\0' || strchr(Client_Flags(c), Flag))
315 callback(c, Prefix, cb_data);
319 } /* IRC_WriteStrServersPrefixFlag */
323 * send message to all clients that are in the same channels as the client sending this message.
324 * only send message once per reote server.
328 IRC_WriteStrRelatedPrefix(CLIENT *Client, CLIENT *Prefix, bool Remote,
329 const char *Format, ...)
332 IRC_WriteStrRelatedPrefix(Client, Prefix, Remote, Format, va_alist)
340 CL2CHAN *chan_cl2chan, *cl2chan;
347 assert( Client != NULL );
348 assert( Prefix != NULL );
349 assert( Format != NULL );
352 va_start( ap, Format );
356 vsnprintf( buffer, 1000, Format, ap );
361 chan_cl2chan = Channel_FirstChannelOf( Client );
362 while( chan_cl2chan )
364 chan = Channel_GetChannel( chan_cl2chan );
365 cl2chan = Channel_FirstMember( chan );
368 c = Channel_GetClient( cl2chan );
371 if( Client_Conn( c ) <= NONE ) c = NULL;
372 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
374 if( c ) c = Client_NextHop( c );
376 if( c && ( c != Client ))
378 conn = Client_Conn( c );
379 if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
380 else Conn_SetFlag( conn, SEND_TO_USER );
382 cl2chan = Channel_NextMember( chan, cl2chan );
385 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
387 return Send_Marked_Connections(Prefix, buffer);
388 } /* IRC_WriteStrRelatedPrefix */
392 * Send WALLOPS message.
396 IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Format, ...)
399 IRC_SendWallops(Client, From, Format, va_alist )
411 va_start(ap, Format);
415 vsnprintf(msg, 1000, Format, ap);
418 for (to=Client_First(); to != NULL; to=Client_Next(to)) {
419 if (Client_Conn(to) == NONE) /* no local connection */
422 switch (Client_Type(to)) {
424 if (Client_HasMode(to, 'w'))
425 IRC_WriteStrClientPrefix(to, From,
430 IRC_WriteStrClientPrefix(to, From,
435 } /* IRC_SendWallops */
439 IRC_SetPenalty( CLIENT *Client, time_t Seconds )
443 assert( Client != NULL );
444 assert( Seconds > 0 );
446 if( Client_Type( Client ) == CLIENT_SERVER ) return;
448 c = Client_Conn( Client );
450 Conn_SetPenalty(c, Seconds);
451 } /* IRC_SetPenalty */
455 Get_Prefix(CLIENT *Target, CLIENT *Client)
457 assert (Target != NULL);
458 assert (Client != NULL);
460 if (Client_Type(Target) == CLIENT_SERVER)
461 return Client_ID(Client);
463 return Client_MaskCloaked(Client);
468 cb_writeStrServersPrefixFlag(CLIENT *Client, CLIENT *Prefix, void *Buffer)
470 IRC_WriteStrClientPrefix(Client, Prefix, "%s", Buffer);
471 } /* cb_writeStrServersPrefixFlag */
475 Send_Marked_Connections(CLIENT *Prefix, const char *Buffer)
480 assert(Prefix != NULL);
481 assert(Buffer != NULL);
484 while (conn != NONE) {
485 if (Conn_Flag(conn) == SEND_TO_SERVER)
486 ok = Conn_WriteStr(conn, ":%s %s",
487 Client_ID(Prefix), Buffer);
488 else if (Conn_Flag(conn) == SEND_TO_USER)
489 ok = Conn_WriteStr(conn, ":%s %s",
490 Client_MaskCloaked(Prefix), Buffer);
493 conn = Conn_Next( conn );