- Implemented channel modes k (key) and l (user limit).
[ngircd-alex.git] / src / ngircd / irc-channel.c
index 528751e48d0f013291ace866a66f071323f78967..926d345e9dbf5267302e6a59a0699afb33e01f21 100644 (file)
@@ -14,7 +14,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: irc-channel.c,v 1.20 2002/12/14 13:23:11 alex Exp $";
+static char UNUSED id[] = "$Id: irc-channel.c,v 1.21 2002/12/16 23:06:46 alex Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -41,7 +41,7 @@ static char UNUSED id[] = "$Id: irc-channel.c,v 1.20 2002/12/14 13:23:11 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;
@@ -49,14 +49,18 @@ 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], "," );
@@ -114,18 +118,40 @@ 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;
                                }