]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/irc-mode.c
IPv6 support.
[ngircd-alex.git] / src / ngircd / irc-mode.c
index 368185f6e3be86f78aa204a8311a0dd44adf3b88..5ad9b12f93c6a70209160333d1e5432406295530 100644 (file)
@@ -14,7 +14,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: irc-mode.c,v 1.37 2005/03/02 16:35:11 alex Exp $";
+static char UNUSED id[] = "$Id: irc-mode.c,v 1.52 2008/02/24 18:44:41 fw Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -22,10 +22,10 @@ static char UNUSED id[] = "$Id: irc-mode.c,v 1.37 2005/03/02 16:35:11 alex Exp $
 #include <stdlib.h>
 #include <string.h>
 
+#include "defines.h"
 #include "conn.h"
 #include "client.h"
 #include "channel.h"
-#include "defines.h"
 #include "irc-write.h"
 #include "lists.h"
 #include "log.h"
@@ -38,19 +38,19 @@ static char UNUSED id[] = "$Id: irc-mode.c,v 1.37 2005/03/02 16:35:11 alex Exp $
 #include "irc-mode.h"
 
 
-LOCAL BOOLEAN Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target ));
-LOCAL BOOLEAN Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel ));
+static bool Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target ));
+static bool Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel ));
 
-LOCAL BOOLEAN Add_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
-LOCAL BOOLEAN Add_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
+static bool Add_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern ));
+static bool Add_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern ));
 
-LOCAL BOOLEAN Del_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
-LOCAL BOOLEAN Del_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ));
+static bool Del_Invite PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern ));
+static bool Del_Ban PARAMS(( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern ));
 
-LOCAL BOOLEAN Send_ListChange PARAMS(( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask ));
+static bool Send_ListChange PARAMS(( char *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Mask ));
 
 
-GLOBAL BOOLEAN
+GLOBAL bool
 IRC_MODE( CLIENT *Client, REQUEST *Req )
 {
        CLIENT *cl, *origin;
@@ -69,28 +69,34 @@ IRC_MODE( CLIENT *Client, REQUEST *Req )
                if( ! origin ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
        }
        else origin = Client;
-       
+
        /* Channel or user mode? */
-       cl = chan = NULL;
-       if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
-       if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
+       cl = NULL; chan = NULL;
+       if (Client_IsValidNick(Req->argv[0]))
+               cl = Client_Search(Req->argv[0]);
+       if (Channel_IsValidName(Req->argv[0]))
+               chan = Channel_Search(Req->argv[0]);
 
-       if( cl ) return Client_Mode( Client, Req, origin, cl );
-       if( chan ) return Channel_Mode( Client, Req, origin, chan );
+       if (cl)
+               return Client_Mode(Client, Req, origin, cl);
+       if (chan)
+               return Channel_Mode(Client, Req, origin, chan);
 
        /* No target found! */
-       return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+       return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+                       Client_ID(Client), Req->argv[0]);
 } /* IRC_MODE */
 
 
-LOCAL BOOLEAN
+static bool
 Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
 {
        /* Handle client mode requests */
 
-       CHAR the_modes[COMMAND_LEN], x[2], *mode_ptr;
-       BOOLEAN ok, set;
-       INT mode_arg;
+       char the_modes[COMMAND_LEN], x[2], *mode_ptr;
+       bool ok, set;
+       int mode_arg;
+       size_t len;
 
        /* Is the client allowed to request or change the modes? */
        if( Client_Type( Client ) == CLIENT_USER )
@@ -106,8 +112,8 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
        mode_ptr = Req->argv[mode_arg];
 
        /* Initial state: set or unset modes? */
-       if( *mode_ptr == '+' ) set = TRUE;
-       else if( *mode_ptr == '-' ) set = FALSE;
+       if( *mode_ptr == '+' ) set = true;
+       else if( *mode_ptr == '-' ) set = false;
        else return IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Origin ));
 
        /* Prepare reply string */
@@ -134,10 +140,11 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                                if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
                                {
                                        /* Action modifier ("+"/"-") must be changed ... */
-                                       if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
+                                       len = strlen( the_modes ) - 1;
+                                       if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' ))
                                        {
                                                /* Adjust last action modifier in result */
-                                               the_modes[strlen( the_modes ) - 1] = *mode_ptr;
+                                               the_modes[len] = *mode_ptr;
                                        }
                                        else
                                        {
@@ -145,8 +152,8 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                                                x[0] = *mode_ptr;
                                                strlcat( the_modes, x, sizeof( the_modes ));
                                        }
-                                       if( *mode_ptr == '+' ) set = TRUE;
-                                       else set = FALSE;
+                                       if( *mode_ptr == '+' ) set = true;
+                                       else set = false;
                                }
                                continue;
                }
@@ -157,6 +164,7 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                {
                        case 'i': /* Invisible */
                        case 's': /* Server messages */
+                       case 'w': /* Wallops messages */
                                x[0] = *mode_ptr;
                                break;
 
@@ -164,7 +172,7 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                                if( Client_Type( Client ) == CLIENT_SERVER )
                                {
                                        x[0] = 'a';
-                                       Client_SetAway( Client, DEFAULT_AWAY_MSG );
+                                       Client_SetAway( Origin, DEFAULT_AWAY_MSG );
                                }
                                else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
                                break;
@@ -172,7 +180,7 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                        case 'o': /* IRC operator (only unsettable!) */
                                if(( ! set ) || ( Client_Type( Client ) == CLIENT_SERVER ))
                                {
-                                       Client_SetOperByMe( Target, FALSE );
+                                       Client_SetOperByMe( Target, false );
                                        x[0] = 'o';
                                }
                                else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
@@ -212,7 +220,8 @@ client_exit:
        if( the_modes[1] )
        {
                /* Remoce needless action modifier characters */
-               if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
+               len = strlen( the_modes ) - 1;
+               if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' )) the_modes[len] = '\0';
 
                if( Client_Type( Client ) == CLIENT_SERVER )
                {
@@ -233,119 +242,140 @@ client_exit:
 } /* Client_Mode */
 
 
-LOCAL BOOLEAN
+static bool
+Channel_Mode_Answer_Request(CLIENT *Origin, CHANNEL *Channel)
+{
+       char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], argadd[CLIENT_PASS_LEN];
+       const char *mode_ptr;
+
+       /* Member or not? -- That's the question! */
+       if (!Channel_IsMemberOf(Channel, Origin))
+               return IRC_WriteStrClient(Origin, RPL_CHANNELMODEIS_MSG,
+                       Client_ID(Origin), Channel_Name(Channel), Channel_Modes(Channel));
+
+       /* The sender is a member: generate extended reply */
+       strlcpy(the_modes, Channel_Modes(Channel), sizeof(the_modes));
+       mode_ptr = the_modes;
+       the_args[0] = '\0';
+
+       while(*mode_ptr) {
+               switch(*mode_ptr) {
+               case 'l':
+                       snprintf(argadd, sizeof(argadd), " %lu", Channel_MaxUsers(Channel));
+                       strlcat(the_args, argadd, sizeof(the_args));
+                       break;
+               case 'k':
+                       strlcat(the_args, " ", sizeof(the_args));
+                       strlcat(the_args, Channel_Key(Channel), sizeof(the_args));
+                       break;
+               }
+               mode_ptr++;
+       }
+       if (the_args[0])
+               strlcat(the_modes, the_args, sizeof(the_modes));
+
+       return IRC_WriteStrClient(Origin, RPL_CHANNELMODEIS_MSG,
+               Client_ID(Origin), Channel_Name(Channel), the_modes);
+}
+
+
+static bool
 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], argadd[CLIENT_PASS_LEN], *mode_ptr;
-       BOOLEAN ok, set, modeok, skiponce;
-       INT mode_arg, arg_arg;
+       char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], argadd[CLIENT_PASS_LEN], *mode_ptr;
+       bool ok, set, modeok = true, skiponce, use_servermode = false;
+       int mode_arg, arg_arg;
        CLIENT *client;
-       LONG l;
+       long l;
+       size_t len;
 
        /* Mode request: let's answer it :-) */
-       if( Req->argc == 1 )
-       {
-               /* Member or not? -- That's the question! */
-               if( ! Channel_IsMemberOf( Channel, Origin )) return IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), Channel_Modes( Channel ));
-
-               /* The sender is a member: generate extended reply */
-               strlcpy( the_modes, Channel_Modes( Channel ), sizeof( the_modes ));
-               mode_ptr = the_modes;
-               strcpy( the_args, "" );
-               while( *mode_ptr )
-               {
-                       switch( *mode_ptr )
-                       {
-                               case 'l':
-                                       snprintf( argadd, sizeof( argadd ), " %ld", Channel_MaxUsers( Channel ));
-                                       strlcat( the_args, argadd, sizeof( the_args ));
-                                       break;
-                               case 'k':
-                                       strlcat( the_args, " ", sizeof( the_args ));
-                                       strlcat( the_args, Channel_Key( Channel ), sizeof( the_args ));
-                                       break;
-                       }
-                       mode_ptr++;
-               }
-               if( the_args[0] ) strlcat( the_modes, the_args, sizeof( the_modes ));
-
-               return IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), the_modes );
-       }
+       if (Req->argc <= 1)
+               return Channel_Mode_Answer_Request(Origin, Channel);
 
        /* Is the user allowed to change modes? */
-       if( Client_Type( Client ) == CLIENT_USER )
-       {
+       if (Client_Type(Client) == CLIENT_USER) {
                /* Is the originating user on that channel? */
-               if( ! Channel_IsMemberOf( Channel, Origin )) return IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG, Client_ID( Origin ), Channel_Name( Channel ));
-
-               /* Is he channel operator? */
-               if( strchr( Channel_UserModes( Channel, Origin ), 'o' )) modeok = TRUE;
-               else modeok = FALSE;
-               if( Conf_OperCanMode )
-               {
-                       /* auch IRC-Operatoren duerfen MODE verwenden */
-                       if( Client_OperByMe( Origin )) modeok = TRUE;
+               if (!Channel_IsMemberOf(Channel, Origin))
+                       return IRC_WriteStrClient(Origin, ERR_NOTONCHANNEL_MSG,
+                               Client_ID(Origin), Channel_Name(Channel));
+               modeok = false;
+               /* channel operator? */
+               if (strchr(Channel_UserModes(Channel, Origin), 'o'))
+                       modeok = true;
+               else if(Conf_OperCanMode) {
+                       /* IRC-Operators can use MODE as well */
+                       if (Client_OperByMe(Origin)) {
+                               modeok = true;
+                               if (Conf_OperServerMode)
+                                       use_servermode = true; /* Change Origin to Server */
+                       }
                }
        }
-       else modeok = TRUE;
 
        mode_arg = 1;
        mode_ptr = Req->argv[mode_arg];
-       if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
-       else arg_arg = -1;
+       if (Req->argc > mode_arg + 1)
+               arg_arg = mode_arg + 1;
+       else
+               arg_arg = -1;
 
        /* Initial state: set or unset modes? */
-       skiponce = FALSE;
-       if( *mode_ptr == '-' ) set = FALSE;
-       else if( *mode_ptr == '+' ) set = TRUE;
-       else set = skiponce = TRUE;
+       skiponce = false;
+       switch (*mode_ptr) {
+       case '-': set = false; break;
+       case '+': set = true; break;
+       default:
+               set = true;
+               skiponce = true;
+       }
 
        /* Prepare reply string */
-       if( set ) strcpy( the_modes, "+" );
-       else strcpy( the_modes, "-" );
-       strcpy( the_args, " " );
+       strcpy(the_modes, set ? "+" : "-");
+       the_args[0] = '\0';
 
        x[1] = '\0';
        ok = CONNECTED;
-       while( mode_ptr )
-       {
-               if( ! skiponce ) mode_ptr++;
-               if( ! *mode_ptr )
-               {
+       while (mode_ptr) {
+               if (! skiponce)
+                       mode_ptr++;
+               if (!*mode_ptr) {
                        /* Try next argument if there's any */
-                       if( arg_arg > mode_arg ) mode_arg = arg_arg;
-                       else mode_arg++;
-                       if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
-                       else break;
-                       if( Req->argc > mode_arg + 1 ) arg_arg = mode_arg + 1;
-                       else arg_arg = -1;
-               }
-               skiponce = FALSE;
+                       if (arg_arg > mode_arg)
+                               mode_arg = arg_arg;
+                       else
+                               mode_arg++;
 
-               switch( *mode_ptr )
-               {
-                       case '+':
-                       case '-':
-                               if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
-                               {
-                                       /* Action modifier ("+"/"-") must be changed ... */
-                                       if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' ))
-                                       {
-                                               /* Adjust last action modifier in result */
-                                               the_modes[strlen( the_modes ) - 1] = *mode_ptr;
-                                       }
-                                       else
-                                       {
-                                               /* Append modifier character to result string */
-                                               x[0] = *mode_ptr;
-                                               strlcat( the_modes, x, sizeof( the_modes ));
-                                       }
-                                       if( *mode_ptr == '+' ) set = TRUE;
-                                       else set = FALSE;
+                       if (mode_arg >= Req->argc)
+                               break;
+                       mode_ptr = Req->argv[mode_arg];
+
+                       if (Req->argc > mode_arg + 1)
+                               arg_arg = mode_arg + 1;
+                       else
+                               arg_arg = -1;
+               }
+               skiponce = false;
+
+               switch (*mode_ptr) {
+               case '+':
+               case '-':
+                       if (((*mode_ptr == '+') && !set) || ((*mode_ptr == '-') && set)) {
+                               /* Action modifier ("+"/"-") must be changed ... */
+                               len = strlen( the_modes ) - 1;
+                               if ((the_modes[len] == '+') || (the_modes[len] == '-')) {
+                                       /* Adjust last action modifier in result */
+                                       the_modes[len] = *mode_ptr;
+                               } else {
+                                       /* Append modifier character to result string */
+                                       x[0] = *mode_ptr;
+                                       strlcat(the_modes, x, sizeof(the_modes));
                                }
-                               continue;
+                               set = *mode_ptr == '+';
+                       }
+                       continue;
                }
 
                /* Are there arguments left? */
@@ -419,16 +449,21 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                break;
 
                        case 'P': /* Persistent channel */
-                               if( modeok )
-                               {
-                                       if( set && ( ! Client_OperByMe( Client )))
-                                       {
-                                               /* Only IRC operators are allowed to set P mode */
-                                               ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
-                                       }
-                                       else x[0] = 'P';
-                               }
-                               else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+                               if (modeok) {
+                                       /* Only IRC operators are allowed to
+                                        * set the 'P' channel mode! */
+                                       if (set && ! (Client_OperByMe(Client)
+                                           || Client_Type(Client) == CLIENT_SERVER)) {
+                                               ok = IRC_WriteStrClient(Origin,
+                                                       ERR_NOPRIVILEGES_MSG,
+                                                       Client_ID(Origin));
+                                       } else
+                                               x[0] = 'P';
+                               } else
+                                       ok = IRC_WriteStrClient(Origin,
+                                               ERR_CHANOPRIVSNEEDED_MSG,
+                                               Client_ID(Origin),
+                                               Channel_Name(Channel));
                                break;
 
                        /* --- Channel user modes --- */
@@ -465,7 +500,7 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                        Req->argv[arg_arg][0] = '\0';
                                        arg_arg++;
                                }
-                               else Lists_ShowInvites( Origin, Channel );
+                               else Channel_ShowInvites( Origin, Channel );
                                break;
 
                        case 'b': /* Ban lists */
@@ -481,7 +516,7 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                        Req->argv[arg_arg][0] = '\0';
                                        arg_arg++;
                                }
-                               else Lists_ShowBans( Origin, Channel );
+                               else Channel_ShowBans( Origin, Channel );
                                break;
 
                        default:
@@ -510,8 +545,8 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                /* Channel-User-Mode */
                                if( Channel_UserModeAdd( Channel, client, x[0] ))
                                {
-                                       strlcat( the_args, Client_ID( client ), sizeof( the_args ));
                                        strlcat( the_args, " ", sizeof( the_args ));
+                                       strlcat( the_args, Client_ID( client ), sizeof( the_args ));
                                        strlcat( the_modes, x, sizeof( the_modes ));
                                        Log( LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"", Client_Mask( client ), Channel_Name( Channel ), Channel_UserModes( Channel, client ));
                                }
@@ -534,8 +569,8 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                                /* Channel-User-Mode */
                                if( Channel_UserModeDel( Channel, client, x[0] ))
                                {
-                                       strlcat( the_args, Client_ID( client ), sizeof( the_args ));
                                        strlcat( the_args, " ", sizeof( the_args ));
+                                       strlcat( the_args, Client_ID( client ), sizeof( the_args ));
                                        strlcat( the_modes, x, sizeof( the_modes ));
                                        Log( LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"", Client_Mask( client ), Channel_Name( Channel ), Channel_UserModes( Channel, client ));
                                }
@@ -554,33 +589,30 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
                /* Are there additional arguments to add? */
                if( argadd[0] )
                {
-                       if( the_args[strlen( the_args ) - 1] != ' ' ) strlcat( the_args, " ", sizeof( the_args ));
+                       strlcat( the_args, " ", sizeof( the_args ));
                        strlcat( the_args, argadd, sizeof( the_args ));
                }
        }
 chan_exit:
 
        /* Are there changed modes? */
-       if( the_modes[1] )
-       {
+       if (the_modes[1]) {
                /* Clean up mode string */
-               if(( the_modes[strlen( the_modes ) - 1] == '+' ) || ( the_modes[strlen( the_modes ) - 1] == '-' )) the_modes[strlen( the_modes ) - 1] = '\0';
-
-               /* Clean up argument string if there are none */
-               if( ! the_args[1] ) the_args[0] = '\0';
+               len = strlen(the_modes) - 1;
+               if ((the_modes[len] == '+') || (the_modes[len] == '-'))
+                       the_modes[len] = '\0';
 
-               if( Client_Type( Client ) == CLIENT_SERVER )
-               {
+               if (Client_Type(Client) == CLIENT_SERVER) {
                        /* Forward mode changes to channel users and other servers */
-                       IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
-                       IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
-               }
-               else
-               {
+                       IRC_WriteStrServersPrefix(Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args);
+                       IRC_WriteStrChannelPrefix(Client, Channel, Origin, false, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args);
+               } else {
+                       if (use_servermode)
+                               Origin = Client_ThisServer();
                        /* Send reply to client and inform other servers and channel users */
                        ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
                        IRC_WriteStrServersPrefix( Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
-                       IRC_WriteStrChannelPrefix( Client, Channel, Origin, FALSE, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
+                       IRC_WriteStrChannelPrefix( Client, Channel, Origin, false, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args );
                }
        }
 
@@ -589,7 +621,7 @@ chan_exit:
 } /* Channel_Mode */
 
 
-GLOBAL BOOLEAN
+GLOBAL bool
 IRC_AWAY( CLIENT *Client, REQUEST *Req )
 {
        assert( Client != NULL );
@@ -616,11 +648,11 @@ IRC_AWAY( CLIENT *Client, REQUEST *Req )
 } /* IRC_AWAY */
 
 
-LOCAL BOOLEAN
-Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
+static bool
+Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern )
 {
-       CHAR *mask;
-       BOOLEAN already;
+       char *mask;
+       bool already;
 
        assert( Client != NULL );
        assert( Channel != NULL );
@@ -628,21 +660,23 @@ Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 
        mask = Lists_MakeMask( Pattern );
 
-       already = Lists_IsInviteEntry( mask, Channel );
-       
-       if( ! Lists_AddInvited( mask, Channel, FALSE )) return CONNECTED;
-       
-       if(( Client_Type( Prefix ) == CLIENT_SERVER ) && ( already == TRUE )) return CONNECTED;
+       already = Lists_CheckDupeMask(Channel_GetListInvites(Channel), mask );
+       if (!already) {
+               if( ! Channel_AddInvite(Channel, mask, false ))
+                       return CONNECTED;
+       }
+       if ( already && ( Client_Type( Prefix ) == CLIENT_SERVER ))
+               return CONNECTED;
 
        return Send_ListChange( "+I", Prefix, Client, Channel, mask );
 } /* Add_Invite */
 
 
-LOCAL BOOLEAN
-Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
+static bool
+Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern )
 {
-       CHAR *mask;
-       BOOLEAN already;
+       char *mask;
+       bool already;
 
        assert( Client != NULL );
        assert( Channel != NULL );
@@ -650,65 +684,67 @@ Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
 
        mask = Lists_MakeMask( Pattern );
 
-       already = Lists_IsBanEntry( mask, Channel );
-
-       if( ! Lists_AddBanned( mask, Channel )) return CONNECTED;
-
-       if(( Client_Type( Prefix ) == CLIENT_SERVER ) && ( already == TRUE )) return CONNECTED;
+       already = Lists_CheckDupeMask(Channel_GetListBans(Channel), mask );
+       if (!already) {
+               if( ! Channel_AddBan(Channel, mask))
+                       return CONNECTED;
+       }
+       if ( already && ( Client_Type( Prefix ) == CLIENT_SERVER ))
+               return CONNECTED;
 
        return Send_ListChange( "+b", Prefix, Client, Channel, mask );
 } /* Add_Ban */
 
 
-LOCAL BOOLEAN
-Del_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
+static bool
+Del_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern )
 {
-       CHAR *mask;
+       char *mask;
 
        assert( Client != NULL );
        assert( Channel != NULL );
        assert( Pattern != NULL );
 
        mask = Lists_MakeMask( Pattern );
-       Lists_DelInvited( mask, Channel );
+       Lists_Del(Channel_GetListInvites(Channel), mask);
        return Send_ListChange( "-I", Prefix, Client, Channel, mask );
 } /* Del_Invite */
 
 
-LOCAL BOOLEAN
-Del_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
+static bool
+Del_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Pattern )
 {
-       CHAR *mask;
+       char *mask;
 
        assert( Client != NULL );
        assert( Channel != NULL );
        assert( Pattern != NULL );
 
        mask = Lists_MakeMask( Pattern );
-       Lists_DelBanned( mask, Channel );
+       Lists_Del(Channel_GetListBans(Channel), mask);
        return Send_ListChange( "-b", Prefix, Client, Channel, mask );
 } /* Del_Ban */
 
 
-LOCAL BOOLEAN
-Send_ListChange( CHAR *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Mask )
+static bool
+Send_ListChange( char *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, char *Mask )
 {
        /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
 
-       BOOLEAN ok;
+       bool ok;
 
        if( Client_Type( Client ) == CLIENT_USER )
        {
                /* Bestaetigung an Client */
                ok = IRC_WriteStrClientPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
        }
-       else ok = TRUE;
+       else ok = true;
 
        /* an andere Server */
        IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
 
        /* und lokale User im Channel */
-       IRC_WriteStrChannelPrefix( Client, Channel, Prefix, FALSE, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
+       IRC_WriteStrChannelPrefix( Client, Channel, Prefix, false, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
        
        return ok;
 } /* Send_ListChange */