X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fngircd%2Firc-channel.c;h=f60f9be410ddf8ea8a3520a1ce1a31ed3d02abdd;hb=0f3e84f4154676dc05a09bd0b1ad9d3d43574d48;hp=34dbe5e5dbd3c104da9c0be640fc9ec9ae8326e0;hpb=490f28ffd1b42ee2076ce89c62d0e672ee7e541e;p=ngircd-alex.git

diff --git a/src/ngircd/irc-channel.c b/src/ngircd/irc-channel.c
index 34dbe5e5..f60f9be4 100644
--- a/src/ngircd/irc-channel.c
+++ b/src/ngircd/irc-channel.c
@@ -14,10 +14,12 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: irc-channel.c,v 1.18 2002/12/12 12:24:18 alex Exp $";
+static char UNUSED id[] = "$Id: irc-channel.c,v 1.25 2003/01/08 22:04:05 alex Exp $";
 
 #include "imp.h"
 #include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 
 #include "defines.h"
@@ -31,6 +33,8 @@ static char UNUSED id[] = "$Id: irc-channel.c,v 1.18 2002/12/12 12:24:18 alex Ex
 #include "parse.h"
 #include "irc-info.h"
 #include "irc-write.h"
+#include "resolve.h"
+#include "conf.h"
 
 #include "exp.h"
 #include "irc-channel.h"
@@ -39,7 +43,7 @@ static char UNUSED id[] = "$Id: irc-channel.c,v 1.18 2002/12/12 12:24:18 alex Ex
 GLOBAL BOOLEAN
 IRC_JOIN( CLIENT *Client, REQUEST *Req )
 {
-	CHAR *channame, *flags, *topic, modes[8];
+	CHAR *channame, *key, *flags, *topic, modes[8];
 	BOOLEAN is_new_chan, is_invited, is_banned;
 	CLIENT *target;
 	CHANNEL *chan;
@@ -47,14 +51,18 @@ IRC_JOIN( CLIENT *Client, REQUEST *Req )
 	assert( Client != NULL );
 	assert( Req != NULL );
 
-	/* Falsche Anzahl Parameter? */
-	if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+	/* Bad number of arguments? */
+	if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 
-	/* Wer ist der Absender? */
+	/* Who is the sender? */
 	if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 	else target = Client;
 	if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 
+	/* Are channel keys given? */
+	if( Req->argc > 1 ) key = Req->argv[1];
+	else key = NULL;
+
 	/* Channel-Namen durchgehen */
 	chan = NULL;
 	channame = strtok( Req->argv[0], "," );
@@ -81,6 +89,16 @@ IRC_JOIN( CLIENT *Client, REQUEST *Req )
 		/* Lokaler Client? */
 		if( Client_Type( Client ) == CLIENT_USER )
 		{
+			/* Test if the user has reached his maximum channel count */
+			if( Client_Type( Client ) == CLIENT_USER )
+			{
+				if(( Conf_MaxJoins > 0 ) && ( Channel_CountForUser( Client ) >= Conf_MaxJoins ))
+				{
+					IRC_WriteStrClient( Client, ERR_TOOMANYCHANNELS_MSG, Client_ID( Client ), channame );
+					return CONNECTED;
+				}
+			}
+
 			/* Existiert der Channel bereits, oder wird er im Moment neu erzeugt? */
 			if( is_new_chan )
 			{
@@ -102,18 +120,40 @@ IRC_JOIN( CLIENT *Client, REQUEST *Req )
 					/* Client ist gebanned (und nicht invited): */
 					IRC_WriteStrClient( Client, ERR_BANNEDFROMCHAN_MSG, Client_ID( Client ), channame );
 
-					/* naechsten Namen ermitteln */
+					/* Try next name, if any */
 					channame = strtok( NULL, "," );
 					continue;
 				}
 
 				/* Ist der Channel "invite-only"? */
-				if(( strchr( Channel_Modes( chan ), 'i' ) != NULL ) && ( is_invited == FALSE ))
+				if(( strchr( Channel_Modes( chan ), 'i' )) && ( is_invited == FALSE ))
 				{
 					/* Channel ist "invite-only" und Client wurde nicht invited: */
 					IRC_WriteStrClient( Client, ERR_INVITEONLYCHAN_MSG, Client_ID( Client ), channame );
 
-					/* naechsten Namen ermitteln */
+					/* Try next name, if any */
+					channame = strtok( NULL, "," );
+					continue;
+				}
+
+				/* Is the channel protected by a key? */
+				if(( strchr( Channel_Modes( chan ), 'k' )) && ( strcmp( Channel_Key( chan ), key ? key : "" ) != 0 ))
+				{
+					/* Bad channel key! */
+					IRC_WriteStrClient( Client, ERR_BADCHANNELKEY_MSG, Client_ID( Client ), channame );
+
+					/* Try next name, if any */
+					channame = strtok( NULL, "," );
+					continue;
+				}
+
+				/* Are there already too many members? */
+				if(( strchr( Channel_Modes( chan ), 'l' )) && ( Channel_MaxUsers( chan ) <= Channel_MemberCount( chan )))
+				{
+					/* Bad channel key! */
+					IRC_WriteStrClient( Client, ERR_CHANNELISFULL_MSG, Client_ID( Client ), channame );
+
+					/* Try next name, if any */
 					channame = strtok( NULL, "," );
 					continue;
 				}
@@ -141,7 +181,7 @@ IRC_JOIN( CLIENT *Client, REQUEST *Req )
 		if(( strchr( Channel_Modes( chan ), 'P' )) && ( strchr( Client_Modes( target ), 'o' ))) Channel_UserModeAdd( chan, target, 'o' );
 
 		/* Muessen Modes an andere Server gemeldet werden? */
-		strcpy( &modes[1], Channel_UserModes( chan, target ));
+		strlcpy( &modes[1], Channel_UserModes( chan, target ), sizeof( modes ) - 1 );
 		if( modes[1] ) modes[0] = 0x7;
 		else modes[0] = '\0';
 
@@ -288,7 +328,7 @@ IRC_LIST( CLIENT *Client, REQUEST *Req )
 	{
 		/* an anderen Server forwarden */
 		target = Client_Search( Req->argv[1] );
-		if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+		if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
 
 		if( target != Client_ThisServer( ))
 		{
@@ -324,21 +364,27 @@ IRC_LIST( CLIENT *Client, REQUEST *Req )
 GLOBAL BOOLEAN
 IRC_CHANINFO( CLIENT *Client, REQUEST *Req )
 {
+	CHAR modes_add[COMMAND_LEN], l[16], *ptr;
 	CLIENT *from;
 	CHANNEL *chan;
-	CHAR *ptr;
+	INT arg_topic;
 
 	assert( Client != NULL );
 	assert( Req != NULL );
 
-	/* Falsche Anzahl Parameter? */
-	if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+	/* Bad number of parameters? */
+	if(( Req->argc < 2 ) || ( Req->argc == 4 ) || ( Req->argc > 5 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 
-	/* From-Server suchen */
+	/* Compatibility kludge */
+	if( Req->argc == 5 ) arg_topic = 4;
+	else if( Req->argc == 3 ) arg_topic = 2;
+	else arg_topic = -1;
+
+	/* Search origin */
 	from = Client_Search( Req->prefix );
 	if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 
-	/* Channel suchen bzw. erzeugen */
+	/* Search or create channel */
 	chan = Channel_Search( Req->argv[0] );
 	if( ! chan ) chan = Channel_Create( Req->argv[0] );
 	if( ! chan ) return CONNECTED;
@@ -348,27 +394,61 @@ IRC_CHANINFO( CLIENT *Client, REQUEST *Req )
 		ptr = Channel_Modes( chan );
 		if( ! *ptr )
 		{
-			/* OK, es sind noch keine Modes gesetzt */
+			/* OK, this channel doesn't have modes jet, set the received ones: */
 			Channel_SetModes( chan, &Req->argv[1][1] );
-			IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "MODE %s +%s", Req->argv[0], &Req->argv[1][1] );
+
+			if( Req->argc == 5 )
+			{
+				if( strchr( Channel_Modes( chan ), 'k' )) Channel_SetKey( chan, Req->argv[2] );
+				if( strchr( Channel_Modes( chan ), 'l' )) Channel_SetMaxUsers( chan, atol( Req->argv[3] ));
+			}
+			else
+			{
+				/* Delete modes which we never want to inherit */
+				Channel_ModeDel( chan, 'l' );
+				Channel_ModeDel( chan, 'k' );
+			}
+
+			strcpy( modes_add, "" );
+			ptr = Channel_Modes( chan );
+			while( *ptr )
+			{
+				if( *ptr == 'l' )
+				{
+					snprintf( l, sizeof( l ), " %ld", Channel_MaxUsers( chan ));
+					strlcat( modes_add, l, sizeof( modes_add ));
+				}
+				if( *ptr == 'k' )
+				{
+					strlcat( modes_add, " ", sizeof( modes_add ));
+					strlcat( modes_add, Channel_Key( chan ), sizeof( modes_add ));
+				}
+	     			ptr++;
+			}
+			
+			/* Inform members of this channel */
+			IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "MODE %s +%s%s", Req->argv[0], Channel_Modes( chan ), modes_add );
 		}
 	}
-	else Log( LOG_WARNING, "CHANNELINFO: invalid MODE format ignored!" );
+	else Log( LOG_WARNING, "CHANINFO: invalid MODE format ignored!" );
 
-	if( Req->argc == 3 )
+	if( arg_topic > 0 )
 	{
-		/* Es wurde auch ein Topic mit uebermittelt */
+		/* We got a topic */
 		ptr = Channel_Topic( chan );
-		if( ! *ptr )
+		if(( ! *ptr ) && ( Req->argv[arg_topic][0] ))
 		{
-			/* OK, es ist bisher kein Topic gesetzt */
-			Channel_SetTopic( chan, Req->argv[2] );
-			IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "TOPIC %s :%s", Req->argv[0], Req->argv[2] );
+			/* OK, there is no topic jet */
+			Channel_SetTopic( chan, Req->argv[arg_topic] );
+			IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "TOPIC %s :%s", Req->argv[0], Channel_Topic( chan ));
 		}
 	}
 
-	/* an andere Server forwarden */
-	IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2] );
+	/* Forward CHANINFO to other serevrs */
+	if( Req->argc == 5 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2], Req->argv[3], Req->argv[4] );
+	else if( Req->argc == 3 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2] );
+	else IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s", Req->argv[0], Req->argv[1] );
+
 	return CONNECTED;
 } /* IRC_CHANINFO */