- Enhanced (and fixed) CHANINFO command (channel keys, user limits).
authorAlexander Barton <alex@barton.de>
Wed, 8 Jan 2003 22:04:05 +0000 (22:04 +0000)
committerAlexander Barton <alex@barton.de>
Wed, 8 Jan 2003 22:04:05 +0000 (22:04 +0000)
src/ngircd/irc-channel.c

index b5fc07680dc39cc7ff9b1192a3682eb087f274dc..f60f9be410ddf8ea8a3520a1ce1a31ed3d02abdd 100644 (file)
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: irc-channel.c,v 1.24 2003/01/08 17:45:15 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"
@@ -362,21 +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 );
+
+       /* Compatibility kludge */
+       if( Req->argc == 5 ) arg_topic = 4;
+       else if( Req->argc == 3 ) arg_topic = 2;
+       else arg_topic = -1;
 
-       /* From-Server suchen */
+       /* 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;
@@ -388,29 +396,59 @@ IRC_CHANINFO( CLIENT *Client, REQUEST *Req )
                {
                        /* 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] );
 
-                       /* Delete modes which we never want to inherit */
-                       Channel_ModeDel( chan, 'l' );
-                       Channel_ModeDel( chan, 'k' );
+                       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 */