- Implemented channel modes k (key) and l (user limit).
authorAlexander Barton <alex@barton.de>
Mon, 16 Dec 2002 23:06:46 +0000 (23:06 +0000)
committerAlexander Barton <alex@barton.de>
Mon, 16 Dec 2002 23:06:46 +0000 (23:06 +0000)
src/ngircd/irc-channel.c
src/ngircd/irc-mode.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;
                                }
index 381811e456c5ee6a3830e22fee44c1a7c23eca8f..148698ac48096ab562fb28f393e9eaea968e53d6 100644 (file)
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: irc-mode.c,v 1.22 2002/12/16 10:52:53 alex Exp $";
+static char UNUSED id[] = "$Id: irc-mode.c,v 1.23 2002/12/16 23:06:46 alex Exp $";
 
 #include "imp.h"
 #include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include "conn.h"
@@ -178,6 +180,7 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                                Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
                                if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
                                x[0] = '\0';
+                               goto client_exit;
                }
                if( ! ok ) break;
 
@@ -196,7 +199,8 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                        if( Client_ModeDel( Target, x[0] )) strcat( the_modes, x );
                }               
        }
-
+client_exit:
+       
        /* Are there changed modes? */
        if( the_modes[1] )
        {
@@ -226,10 +230,11 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
 {
        /* Handle channel and channel-user modes */
 
-       CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], *mode_ptr;
+       CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], argadd[CLIENT_PASS_LEN], *mode_ptr;
        BOOLEAN ok, set, modeok, skiponce;
        INT mode_arg, arg_arg;
        CLIENT *client;
+       LONG l;
 
        /* Mode request: let's answer it :-) */
        if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), Channel_Modes( Channel ));
@@ -308,6 +313,7 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
 
                /* Validate modes */
                x[0] = '\0';
+               argadd[0] = '\0';
                client = NULL;
                switch( *mode_ptr )
                {
@@ -365,6 +371,56 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                }
                                else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
                                break;
+                       case 'k':
+                               /* Channel key */
+                               if( ! set )
+                               {
+                                       if( modeok ) x[0] = *mode_ptr;
+                                       else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+                                       break;
+                               }
+                               if( arg_arg > mode_arg )
+                               {
+                                       if( modeok )
+                                       {
+                                               Channel_ModeDel( Channel, 'k' );
+                                               Channel_SetKey( Channel, Req->argv[arg_arg] );
+                                               strcpy( argadd, Channel_Key( Channel ));
+                                               x[0] = *mode_ptr;
+                                       }
+                                       else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+                                       Req->argv[arg_arg][0] = '\0';
+                                       arg_arg++;
+                               }
+                               else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
+                               break;
+                       case 'l':
+                               /* Member limit */
+                               if( ! set )
+                               {
+                                       if( modeok ) x[0] = *mode_ptr;
+                                       else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+                                       break;
+                               }
+                               if( arg_arg > mode_arg )
+                               {
+                                       if( modeok )
+                                       {
+                                               l = atol( Req->argv[arg_arg] );
+                                               if( l > 0 && l < 0xFFFF )
+                                               {
+                                                       Channel_ModeDel( Channel, 'l' );
+                                                       Channel_SetMaxUsers( Channel, l );
+                                                       sprintf( argadd, "%ld", l );
+                                                       x[0] = *mode_ptr;
+                                               }
+                                       }
+                                       else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+                                       Req->argv[arg_arg][0] = '\0';
+                                       arg_arg++;
+                               }
+                               else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
+                               break;
 
                        /* Channel lists */
                        case 'I':
@@ -404,6 +460,7 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ), Channel_Name( Channel ));
                                if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
                                x[0] = '\0';
+                               goto chan_exit;
                }
                if( ! ok ) break;
 
@@ -455,8 +512,16 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                        Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel ));
                                }
                        }
-               }               
+               }
+
+               /* Are there additional arguments to add? */
+               if( argadd[0] )
+               {
+                       if( the_args[strlen( the_args ) - 1] != ' ' ) strcat( the_args, " " );
+                       strcat( the_args, argadd );
+               }
        }
+chan_exit:
 
        /* Are there changed modes? */
        if( the_modes[1] )