/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
*
- * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
- * der GNU General Public License (GPL), wie von der Free Software Foundation
- * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
- * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
- * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
- *
- * $Id: irc-write.c,v 1.3 2002/03/25 17:13:07 alex Exp $
- *
- * irc-write.c: IRC-Texte und Befehle ueber Netzwerk versenden
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
*/
-
#include "portab.h"
-#include "imp.h"
+/**
+ * @file
+ * Sending IRC commands over the network
+ */
+
#include <assert.h>
-#include <stdarg.h>
+#ifdef PROTOTYPES
+# include <stdarg.h>
+#else
+# include <varargs.h>
+#endif
#include <stdio.h>
+#include <string.h>
#include "defines.h"
+#include "conn-func.h"
+#include "channel.h"
-#include "exp.h"
#include "irc-write.h"
+#define SEND_TO_USER 1
+#define SEND_TO_SERVER 2
-LOCAL CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
-
+static const char *Get_Prefix PARAMS((CLIENT *Target, CLIENT *Client));
+static void cb_writeStrServersPrefixFlag PARAMS((CLIENT *Client,
+ CLIENT *Prefix, void *Buffer));
+static void Send_Marked_Connections PARAMS((CLIENT *Prefix, const char *Buffer));
-GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
+/**
+ * Send an error message to a client and enforce a penalty time.
+ *
+ * @param Client The target client.
+ * @param Format Format string.
+ * @return CONNECTED or DISCONNECTED.
+ */
+#ifdef PROTOTYPES
+GLOBAL bool
+IRC_WriteErrClient( CLIENT *Client, const char *Format, ... )
+#else
+GLOBAL bool
+IRC_WriteErrClient( Client, Format, va_alist )
+CLIENT *Client;
+const char *Format;
+va_dcl
+#endif
{
- CHAR buffer[1000];
- BOOLEAN ok = CONNECTED;
+ char buffer[1000];
va_list ap;
- assert( Client != NULL );
- assert( Format != NULL );
+ assert(Client != NULL);
+ assert(Format != NULL);
- va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
- va_end( ap );
+#ifdef PROTOTYPES
+ va_start(ap, Format);
+#else
+ va_start(ap);
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
+ va_end(ap);
- /* an den Client selber */
- ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
+ IRC_SetPenalty(Client, 2);
+ return IRC_WriteStrClientPrefix(Client, Client_ThisServer(),
+ "%s", buffer);
+}
- return ok;
-} /* IRC_WriteStrClient */
+/**
+ * Send a message to a client.
+ *
+ * @param Client The target client.
+ * @param Format Format string.
+ * @return CONNECTED or DISCONNECTED.
+ */
+#ifdef PROTOTYPES
+GLOBAL bool
+IRC_WriteStrClient( CLIENT *Client, const char *Format, ... )
+#else
+GLOBAL bool
+IRC_WriteStrClient( Client, Format, va_alist )
+CLIENT *Client;
+const char *Format;
+va_dcl
+#endif
+{
+ char buffer[1000];
+ va_list ap;
+
+ assert(Client != NULL);
+ assert(Format != NULL);
+
+#ifdef PROTOTYPES
+ va_start(ap, Format);
+#else
+ va_start(ap);
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
+ va_end(ap);
+ return IRC_WriteStrClientPrefix(Client, Client_ThisServer(),
+ "%s", buffer);
+}
-GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
+/**
+ * Send a message to a client using a specific prefix.
+ *
+ * @param Client The target client.
+ * @param Prefix The prefix to use.
+ * @param Format Format string.
+ * @return CONNECTED or DISCONNECTED.
+ */
+#ifdef PROTOTYPES
+GLOBAL bool
+IRC_WriteStrClientPrefix(CLIENT *Client, CLIENT *Prefix, const char *Format, ...)
+#else
+GLOBAL bool
+IRC_WriteStrClientPrefix(Client, Prefix, Format, va_alist)
+CLIENT *Client;
+CLIENT *Prefix;
+const char *Format;
+va_dcl
+#endif
{
- /* Text an Clients, lokal bzw. remote, senden. */
+ /* send text to local and remote clients */
- CHAR buffer[1000];
+ char buffer[1000];
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
assert( Prefix != NULL );
+#ifdef PROTOTYPES
va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
va_end( ap );
- return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
-} /* IRC_WriteStrClientPrefix */
-
+ return Conn_WriteStr(Client_Conn(Client_NextHop(Client)), ":%s %s",
+ Get_Prefix(Client_NextHop(Client), Prefix), buffer);
+}
-GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
+/**
+ * Send a message to all client in a channel.
+ *
+ * The message is only sent once per remote server.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Channel The target channel.
+ * @param Remote If not set, the message is sent to local clients only.
+ * @param Format Format string.
+ */
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_WriteStrChannel(CLIENT *Client, CHANNEL *Chan, bool Remote,
+ const char *Format, ...)
+#else
+GLOBAL void
+IRC_WriteStrChannel(Client, Chan, Remote, Format, va_alist)
+CLIENT *Client;
+CHANNEL *Chan;
+bool Remote;
+const char *Format;
+va_dcl
+#endif
{
- CHAR buffer[1000];
+ char buffer[1000];
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
+#ifdef PROTOTYPES
va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
va_end( ap );
- return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
-} /* IRC_WriteStrChannel */
-
+ IRC_WriteStrChannelPrefix(Client, Chan, Client_ThisServer(),
+ Remote, "%s", buffer);
+}
-GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
+/**
+ * Send a message to all client in a channel using a specific prefix.
+ *
+ * The message is only sent once per remote server.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Channel The target channel.
+ * @param Prefix The prefix to use.
+ * @param Remote If not set, the message is sent to local clients only.
+ * @param Format Format string.
+ */
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_WriteStrChannelPrefix(CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix,
+ bool Remote, const char *Format, ...)
+#else
+GLOBAL void
+IRC_WriteStrChannelPrefix(Client, Chan, Prefix, Remote, Format, va_alist)
+CLIENT *Client;
+CHANNEL *Chan;
+CLIENT *Prefix;
+bool Remote;
+const char *Format;
+va_dcl
+#endif
{
- BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
- CHAR buffer[1000];
+ char buffer[1000];
CL2CHAN *cl2chan;
+ CONN_ID conn;
CLIENT *c;
- INT s, i;
va_list ap;
assert( Client != NULL );
assert( Prefix != NULL );
assert( Format != NULL );
+#ifdef PROTOTYPES
va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
va_end( ap );
- for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
+ Conn_ClearFlags( );
- /* An alle Clients, die in den selben Channels sind.
- * Dabei aber nur einmal je Remote-Server */
cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
+ while(cl2chan) {
c = Channel_GetClient( cl2chan );
- if( ! Remote )
- {
- if( Client_Conn( c ) <= NONE ) c = NULL;
- else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
+ if (!Remote) {
+ if (Client_Conn(c) <= NONE)
+ c = NULL;
+ else if(Client_Type(c) == CLIENT_SERVER)
+ c = NULL;
}
- if( c ) c = Client_NextHop( c );
-
- if( c && ( c != Client ))
- {
- /* Ok, anderer Client */
- s = Client_Conn( c );
- assert( s >= 0 );
- assert( s < MAX_CONNECTIONS );
- sock[s] = TRUE;
- if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
- else is_server[s] = FALSE;
+ if(c)
+ c = Client_NextHop(c);
+
+ if(c && c != Client) {
+ /* Ok, another Client */
+ conn = Client_Conn(c);
+ if (Client_Type(c) == CLIENT_SERVER)
+ Conn_SetFlag(conn, SEND_TO_SERVER);
+ else
+ Conn_SetFlag(conn, SEND_TO_USER);
}
- cl2chan = Channel_NextMember( Chan, cl2chan );
+ cl2chan = Channel_NextMember(Chan, cl2chan);
}
+ Send_Marked_Connections(Prefix, buffer);
+}
- /* Senden ... */
- for( i = 0; i < MAX_CONNECTIONS; i++ )
- {
- if( sock[i] )
- {
- if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
- else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
- if( ! ok ) break;
- }
- }
- return ok;
-} /* IRC_WriteStrChannelPrefix */
+/**
+ * Send a message to all the servers in the network.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Format Format string.
+ */
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_WriteStrServers(CLIENT *ExceptOf, const char *Format, ...)
+#else
+GLOBAL void
+IRC_WriteStrServers(ExceptOf, Format, va_alist)
+CLIENT *ExceptOf;
+const char *Format;
+va_dcl
+#endif
+{
+ char buffer[1000];
+ va_list ap;
+ assert( Format != NULL );
-GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
+#ifdef PROTOTYPES
+ va_start( ap, Format );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
+ va_end( ap );
+
+ IRC_WriteStrServersPrefix(ExceptOf, Client_ThisServer(), "%s", buffer);
+}
+
+/**
+ * Send a message to all the servers in the network using a specific prefix.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Prefix The prefix to use.
+ * @param Format Format string.
+ */
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_WriteStrServersPrefix(CLIENT *ExceptOf, CLIENT *Prefix,
+ const char *Format, ...)
+#else
+GLOBAL void
+IRC_WriteStrServersPrefix(ExceptOf, Prefix, Format, va_alist)
+CLIENT *ExceptOf;
+CLIENT *Prefix;
+const char *Format;
+va_dcl
+#endif
{
- CHAR buffer[1000];
+ char buffer[1000];
va_list ap;
assert( Format != NULL );
+ assert( Prefix != NULL );
+#ifdef PROTOTYPES
va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
va_end( ap );
- /* an den Client selber */
- return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
-} /* IRC_WriteStrServers */
-
+ IRC_WriteStrServersPrefixFlag( ExceptOf, Prefix, '\0', "%s", buffer );
+}
-GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
+/**
+ * Send a message to all the servers in the network using a specific prefix
+ * and matching a "client flag".
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Prefix The prefix to use.
+ * @param Flag Client flag that must be set on the target.
+ * @param Format Format string.
+ */
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_WriteStrServersPrefixFlag(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
+ const char *Format, ...)
+#else
+GLOBAL void
+IRC_WriteStrServersPrefixFlag(ExceptOf, Prefix, Flag, Format, va_alist)
+CLIENT *ExceptOf;
+CLIENT *Prefix;
+char Flag;
+const char *Format;
+va_dcl
+#endif
{
- CHAR buffer[1000];
- CLIENT *c;
+ char buffer[1000];
va_list ap;
-
+
assert( Format != NULL );
assert( Prefix != NULL );
+#ifdef PROTOTYPES
va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
va_end( ap );
-
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
- {
- /* Ziel-Server gefunden */
- IRC_WriteStrClientPrefix( c, Prefix, buffer );
+
+ IRC_WriteStrServersPrefixFlag_CB(ExceptOf, Prefix, Flag,
+ cb_writeStrServersPrefixFlag, buffer);
+}
+
+/**
+ * Send a message to all the servers in the network using a specific prefix
+ * and matching a "client flag" using a callback function.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Prefix The prefix to use.
+ * @param Flag Client flag that must be set on the target.
+ * @param callback Callback function.
+ * @param Format Format string.
+ */
+GLOBAL void
+IRC_WriteStrServersPrefixFlag_CB(CLIENT *ExceptOf, CLIENT *Prefix, char Flag,
+ void (*callback)(CLIENT *, CLIENT *, void *), void *cb_data)
+{
+ CLIENT *c;
+
+ c = Client_First();
+ while(c) {
+ if (Client_Type(c) == CLIENT_SERVER && Client_Conn(c) > NONE &&
+ c != Client_ThisServer() && c != ExceptOf) {
+ /* Found a target server, do the flags match? */
+ if (Flag == '\0' || Client_HasFlag(c, Flag))
+ callback(c, Prefix, cb_data);
}
- c = Client_Next( c );
+ c = Client_Next(c);
}
-} /* IRC_WriteStrServersPrefix */
-
+}
-GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
+/**
+ * Send a message to all "related" clients.
+ *
+ * Related clients are the one that share one ore more channels with the client
+ * sending this message.
+ *
+ * The message is only sent once per remote server.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param Prefix The prefix to use.
+ * @param Remote If not set, the message is sent to local clients only.
+ * @param Format Format string.
+ */
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_WriteStrRelatedPrefix(CLIENT *Client, CLIENT *Prefix, bool Remote,
+ const char *Format, ...)
+#else
+GLOBAL void
+IRC_WriteStrRelatedPrefix(Client, Prefix, Remote, Format, va_alist)
+CLIENT *Client;
+CLIENT *Prefix;
+bool Remote;
+const char *Format;
+va_dcl
+#endif
{
- BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
CL2CHAN *chan_cl2chan, *cl2chan;
- CHAR buffer[1000];
+ char buffer[1000];
CHANNEL *chan;
+ CONN_ID conn;
va_list ap;
CLIENT *c;
- INT i, s;
assert( Client != NULL );
assert( Prefix != NULL );
assert( Format != NULL );
+#ifdef PROTOTYPES
va_start( ap, Format );
- vsnprintf( buffer, 1000, Format, ap );
+#else
+ va_start( ap );
+#endif
+ vsnprintf(buffer, sizeof(buffer), Format, ap);
va_end( ap );
- /* initialisieren */
- for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
+ Conn_ClearFlags( );
- /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
- * den Text schicken. An Remote-Server aber jeweils nur einmal. */
chan_cl2chan = Channel_FirstChannelOf( Client );
while( chan_cl2chan )
{
- /* Channel des Users durchsuchen */
chan = Channel_GetChannel( chan_cl2chan );
cl2chan = Channel_FirstMember( chan );
while( cl2chan )
if( c && ( c != Client ))
{
- /* Ok, anderer Client */
- s = Client_Conn( c );
- assert( s >= 0 );
- assert( s < MAX_CONNECTIONS );
- sock[s] = TRUE;
- if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
- else is_server[s] = FALSE;
+ conn = Client_Conn( c );
+ if( Client_Type( c ) == CLIENT_SERVER ) Conn_SetFlag( conn, SEND_TO_SERVER );
+ else Conn_SetFlag( conn, SEND_TO_USER );
}
cl2chan = Channel_NextMember( chan, cl2chan );
}
-
- /* naechsten Channel */
+
chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
}
+ Send_Marked_Connections(Prefix, buffer);
+} /* IRC_WriteStrRelatedPrefix */
- /* Senden ... */
- for( i = 0; i < MAX_CONNECTIONS; i++ )
- {
- if( sock[i] )
- {
- if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
- else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
- if( ! ok ) break;
+/**
+ * Send WALLOPS message.
+ *
+ * @param Client The sending client, excluded while forwarding the message.
+ * @param From The (remote) sender of the message.
+ * @param Format Format string.
+*/
+#ifdef PROTOTYPES
+GLOBAL void
+IRC_SendWallops(CLIENT *Client, CLIENT *From, const char *Format, ...)
+#else
+GLOBAL void
+IRC_SendWallops(Client, From, Format, va_alist )
+CLIENT *Client;
+CLIENT *From;
+const char *Format;
+va_dcl
+#endif
+{
+ va_list ap;
+ char msg[1000];
+ CLIENT *to;
+
+#ifdef PROTOTYPES
+ va_start(ap, Format);
+#else
+ va_start(ap);
+#endif
+ vsnprintf(msg, sizeof(msg), Format, ap);
+ va_end(ap);
+
+ for (to=Client_First(); to != NULL; to=Client_Next(to)) {
+ if (Client_Conn(to) == NONE) /* no local connection */
+ continue;
+
+ switch (Client_Type(to)) {
+ case CLIENT_USER:
+ if (Client_HasMode(to, 'w'))
+ IRC_WriteStrClientPrefix(to, From,
+ "WALLOPS :%s", msg);
+ break;
+ case CLIENT_SERVER:
+ if (to != Client)
+ IRC_WriteStrClientPrefix(to, From,
+ "WALLOPS :%s", msg);
+ break;
}
}
- return ok;
-} /* IRC_WriteStrRelatedPrefix */
+} /* IRC_SendWallops */
+
+/**
+ * Set a "penalty time" for an IRC client.
+ *
+ * Note: penalty times are never set for server links or remote clients!
+ *
+ * @param Client The client.
+ * @param Seconds The additional "penalty time" to enforce.
+ */
+GLOBAL void
+IRC_SetPenalty(CLIENT *Client, time_t Seconds)
+{
+ CONN_ID c;
+
+ assert(Client != NULL);
+ assert(Seconds > 0);
+
+ if (Client_Type(Client) == CLIENT_SERVER)
+ return;
+ c = Client_Conn(Client);
+ if (c <= NONE)
+ return;
-LOCAL CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
+ Conn_SetPenalty(c, Seconds);
+} /* IRC_SetPenalty */
+
+static const char *
+Get_Prefix(CLIENT *Target, CLIENT *Client)
{
- assert( Target != NULL );
- assert( Client != NULL );
+ assert (Target != NULL);
+ assert (Client != NULL);
- if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
- else return Client_Mask( Client );
+ if (Client_Type(Target) == CLIENT_SERVER)
+ return Client_ID(Client);
+ else
+ return Client_MaskCloaked(Client);
} /* Get_Prefix */
+static void
+cb_writeStrServersPrefixFlag(CLIENT *Client, CLIENT *Prefix, void *Buffer)
+{
+ IRC_WriteStrClientPrefix(Client, Prefix, "%s", Buffer);
+} /* cb_writeStrServersPrefixFlag */
+
+/**
+ * Send a message to all marked connections using a specific prefix.
+ *
+ * @param Prefix The prefix to use.
+ * @param Buffer The message to send.
+ */
+static void
+Send_Marked_Connections(CLIENT *Prefix, const char *Buffer)
+{
+ CONN_ID conn;
+
+ assert(Prefix != NULL);
+ assert(Buffer != NULL);
+
+ conn = Conn_First();
+ while (conn != NONE) {
+ if (Conn_Flag(conn) == SEND_TO_SERVER)
+ Conn_WriteStr(conn, ":%s %s",
+ Client_ID(Prefix), Buffer);
+ else if (Conn_Flag(conn) == SEND_TO_USER)
+ Conn_WriteStr(conn, ":%s %s",
+ Client_MaskCloaked(Prefix), Buffer);
+ conn = Conn_Next(conn);
+ }
+}
/* -eof- */
projects / ngircd-alex.git / blobdiff