X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc-mode.c;h=d1b82802a6743639bdef0994d8d6f0f464f04324;hp=73703e577862d7d99e995133367d57068e23fec9;hb=6b0c094809e5c1972e41ee7554eb2475ccc4e2d2;hpb=d645ce86e9440a891b80bfd2907617e16aa799e8 diff --git a/src/ngircd/irc-mode.c b/src/ngircd/irc-mode.c index 73703e57..d1b82802 100644 --- a/src/ngircd/irc-mode.c +++ b/src/ngircd/irc-mode.c @@ -1,17 +1,14 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * Copyright (c)2001-2005 Alexander Barton (alex@barton.de) * - * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen - * der GNU General Public License (GPL), wie von der Free Software Foundation - * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 - * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. - * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste - * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * Please read the file COPYING, README and AUTHORS for more information. * - * $Id: irc-mode.c,v 1.8 2002/08/26 23:39:22 alex Exp $ - * - * irc-mode.c: IRC-Befehle zur Mode-Aenderung (MODE, AWAY, ...) + * IRC commands for mode changes (MODE, AWAY, ...) */ @@ -19,394 +16,612 @@ #include "imp.h" #include +#include +#include #include +#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" #include "parse.h" #include "messages.h" +#include "resolve.h" +#include "conf.h" #include "exp.h" #include "irc-mode.h" -LOCAL BOOLEAN Show_InviteList PARAMS(( CLIENT *Client, CHANNEL *Channel )); -LOCAL BOOLEAN Show_BanList PARAMS(( CLIENT *Client, 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 *Client, CHANNEL *Channel, CHAR *Pattern )); -LOCAL BOOLEAN Add_Ban PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )); +static bool Add_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern)); +static bool Del_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern)); -LOCAL BOOLEAN Del_Invite PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )); -LOCAL BOOLEAN Del_Ban PARAMS(( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )); +static bool Send_ListChange PARAMS(( char *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Mask )); -GLOBAL BOOLEAN +GLOBAL bool IRC_MODE( CLIENT *Client, REQUEST *Req ) { - CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2]; - CLIENT *cl, *chan_cl, *prefix; - BOOLEAN set, ok; + CLIENT *cl, *origin; CHANNEL *chan; - + assert( Client != NULL ); assert( Req != NULL ); - cl = chan_cl = prefix = NULL; - chan = NULL; - - /* Valider Client? */ - if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Keine Parameter? */ + /* No parameters? */ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - /* Ziel suchen: Client bzw. Channel */ - if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] ); - if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] ); + /* Origin for answers */ + if( Client_Type( Client ) == CLIENT_SERVER ) + { + origin = Client_Search( Req->prefix ); + if( ! origin ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); + } + else origin = Client; + + /* Channel or user mode? */ + 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); + + /* No target found! */ + return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, + Client_ID(Client), Req->argv[0]); +} /* IRC_MODE */ - /* Kein Ziel gefunden? */ - if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); - assert(( cl && chan ) != TRUE ); +static bool +Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target ) +{ + /* Handle client mode requests */ - /* Falsche Anzahl Parameter? */ - if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + char the_modes[COMMAND_LEN], x[2], *mode_ptr; + bool ok, set; + int mode_arg; + size_t len; - /* Prefix fuer Antworten etc. ermitteln */ - if( Client_Type( Client ) == CLIENT_SERVER ) + /* Is the client allowed to request or change the modes? */ + if( Client_Type( Client ) == CLIENT_USER ) { - prefix = Client_Search( Req->prefix ); - if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); + /* Users are only allowed to manipulate their own modes! */ + if( Target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client )); } - else prefix = Client; - - if(( chan ) && (( Req->argc == 2 ) || ( Req->argc == 3 ))) - { - /* pruefen, ob "Listen-Operation": Invite, Ban */ - if(( Req->argv[1][0] == '-' ) || ( Req->argv[1][0] == '+' )) mode_ptr = &Req->argv[1][1]; - else mode_ptr = &Req->argv[1][0]; - if( Req->argc == 2 ) + /* Mode request: let's answer it :-) */ + if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_UMODEIS_MSG, Client_ID( Origin ), Client_Modes( Target )); + + mode_arg = 1; + mode_ptr = Req->argv[mode_arg]; + + /* Initial state: set or unset modes? */ + 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 */ + if( set ) strcpy( the_modes, "+" ); + else strcpy( the_modes, "-" ); + + x[1] = '\0'; + ok = CONNECTED; + while( mode_ptr ) + { + mode_ptr++; + if( ! *mode_ptr ) { - /* Liste anzeigen */ - if( *mode_ptr == 'I' ) return Show_InviteList( prefix, chan ); - if( *mode_ptr == 'b' ) return Show_BanList( prefix, chan ); + /* Try next argument if there's any */ + mode_arg++; + if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg]; + else break; } - else + + switch( *mode_ptr ) { - if( Req->argv[1][0] == '+' ) - { - /* Listen-Eintrag hinzufuegen */ - if( *mode_ptr == 'I' ) return Add_Invite( prefix, chan, Req->argv[2] ); - if( *mode_ptr == 'b' ) return Add_Ban( prefix, chan, Req->argv[2] ); - } - else if( Req->argv[1][0] == '-' ) - { - /* Listen-Eintrag loeschen */ - if( *mode_ptr == 'I' ) return Del_Invite( prefix, chan, Req->argv[2] ); - if( *mode_ptr == 'b' ) return Del_Ban( prefix, chan, Req->argv[2] ); - } + 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 )); + } + if( *mode_ptr == '+' ) set = true; + else set = false; + } + continue; } - } + + /* Validate modes */ + x[0] = '\0'; + switch( *mode_ptr ) + { + case 'i': /* Invisible */ + case 's': /* Server messages */ + case 'w': /* Wallops messages */ + x[0] = *mode_ptr; + break; - /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */ - if(( chan ) && (Req->argc == 3 )) - { - chan_cl = Client_Search( Req->argv[2] ); - if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); + case 'a': /* Away */ + if( Client_Type( Client ) == CLIENT_SERVER ) + { + x[0] = 'a'; + Client_SetAway( Origin, DEFAULT_AWAY_MSG ); + } + else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin )); + break; + + case 'o': /* IRC operator (only unsettable!) */ + if(( ! set ) || ( Client_Type( Client ) == CLIENT_SERVER )) + { + Client_SetOperByMe( Target, false ); + x[0] = 'o'; + } + else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin )); + break; + + case 'r': /* Restricted (only settable) */ + if(( set ) || ( Client_Type( Client ) == CLIENT_SERVER )) x[0] = 'r'; + else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin )); + break; + + default: + 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; + + /* Is there a valid mode change? */ + if( ! x[0] ) continue; + + if( set ) + { + /* Set mode */ + if( Client_ModeAdd( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes )); + + } + else + { + /* Unset mode */ + if( Client_ModeDel( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes )); + } } +client_exit: - /* Wenn Anfragender ein User ist: Zugriff erlaubt? */ - if( Client_Type( Client ) == CLIENT_USER ) + /* Are there changed modes? */ + if( the_modes[1] ) { - if( cl ) + /* Remoce needless action modifier characters */ + len = strlen( the_modes ) - 1; + if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' )) the_modes[len] = '\0'; + + if( Client_Type( Client ) == CLIENT_SERVER ) { - /* MODE ist nur fuer sich selber zulaessig! */ - if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client )); + /* Forward modes to other servers */ + IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes ); } - if( chan ) + else { - /* Darf der User die Channel-Modes ermitteln? */ + /* Send reply to client and inform other servers */ + ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes ); + IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes ); } + Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Target ), Client_Modes( Target )); } + + IRC_SetPenalty( Client, 1 ); + return ok; +} /* Client_Mode */ - /* Werden die Modes "nur" erfragt? */ - if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl )); - if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan )); - - mode_ptr = Req->argv[1]; - /* Sollen Modes gesetzt oder geloescht werden? */ - if( cl ) - { - if( *mode_ptr == '+' ) set = TRUE; - else if( *mode_ptr == '-' ) set = FALSE; - else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); +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; + bool ok, set, modeok = true, skiponce, use_servermode = false; + int mode_arg, arg_arg; + CLIENT *client; + long l; + size_t len; + + /* Mode request: let's answer it :-) */ + if (Req->argc <= 1) + return Channel_Mode_Answer_Request(Origin, Channel); + + /* Is the user allowed to change modes? */ + 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)); + 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 */ + } + } + } + + mode_arg = 1; + mode_ptr = Req->argv[mode_arg]; + if (Req->argc > mode_arg + 1) + arg_arg = mode_arg + 1; else - { - if( *mode_ptr == '-' ) set = FALSE; - else set = TRUE; - if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++; + arg_arg = -1; + + /* Initial state: set or unset modes? */ + skiponce = false; + switch (*mode_ptr) { + case '-': set = false; break; + case '+': set = true; break; + default: + set = true; + skiponce = true; } - /* Reply-String mit Aenderungen vorbereiten */ - if( set ) strcpy( the_modes, "+" ); - else strcpy( the_modes, "-" ); + /* Prepare reply string */ + strcpy(the_modes, set ? "+" : "-"); + the_args[0] = '\0'; - ok = TRUE; x[1] = '\0'; - while( *mode_ptr ) - { - x[0] = '\0'; - if( Client_Type( Client ) == CLIENT_SERVER ) - { - /* Befehl kommt von einem Server, daher - * trauen wir ihm "unbesehen" ... */ - x[0] = *mode_ptr; + ok = CONNECTED; + 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) + break; + mode_ptr = Req->argv[mode_arg]; + + if (Req->argc > mode_arg + 1) + arg_arg = mode_arg + 1; + else + arg_arg = -1; } - else + 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)); + } + set = *mode_ptr == '+'; + } + continue; + } + + /* Are there arguments left? */ + if( arg_arg >= Req->argc ) arg_arg = -1; + + /* Validate modes */ + x[0] = '\0'; + argadd[0] = '\0'; + client = NULL; + switch( *mode_ptr ) { - /* Modes validieren */ - if( cl ) - { - /* User-Modes */ - switch( *mode_ptr ) + /* --- Channel modes --- */ + + case 'i': /* Invite only */ + case 'm': /* Moderated */ + case 'n': /* Only members can write */ + case 's': /* Secret channel */ + case 't': /* Topic locked */ + if( modeok ) x[0] = *mode_ptr; + else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel )); + 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 ) { - case 'i': - /* invisible */ - x[0] = 'i'; - break; - case 'o': - /* operator (kann nur geloescht werden) */ - if( ! set ) + if( modeok ) + { + Channel_ModeDel( Channel, 'k' ); + Channel_SetKey( Channel, Req->argv[arg_arg] ); + strlcpy( argadd, Channel_Key( Channel ), sizeof( argadd )); + 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 ) { - Client_SetOperByMe( Client, FALSE ); - x[0] = 'o'; + Channel_ModeDel( Channel, 'l' ); + Channel_SetMaxUsers( Channel, l ); + snprintf( argadd, sizeof( argadd ), "%ld", l ); + x[0] = *mode_ptr; } - else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); - break; - case 'r': - /* restricted (kann nur gesetzt werden) */ - if( set ) x[0] = 'r'; - else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client )); - break; - case 's': - /* server messages */ - x[0] = 's'; - break; - default: - Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client )); - ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); - x[0] = '\0'; + } + else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel )); + Req->argv[arg_arg][0] = '\0'; + arg_arg++; } - } - if( chan ) - { - /* Ist der User ein Channel Operator? */ - if( ! strchr( Channel_UserModes( chan, Client ), 'o' )) + else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command ); + break; + + case 'P': /* Persistent 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 --- */ + + case 'o': /* Channel operator */ + case 'v': /* Voice */ + if( arg_arg > mode_arg ) { - Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan )); - ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan )); - break; + if( modeok ) + { + client = Client_Search( Req->argv[arg_arg] ); + if( client ) x[0] = *mode_ptr; + else ok = IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[arg_arg] ); + } + else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel )); + Req->argv[arg_arg][0] = '\0'; + arg_arg++; } - - /* Channel-Modes oder Channel-User-Modes */ - if( chan_cl ) + else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command ); + break; + + /* --- Channel lists --- */ + + case 'I': /* Invite lists */ + if( arg_arg > mode_arg ) { - /* Channel-User-Modes */ - switch( *mode_ptr ) + /* modify list */ + if( modeok ) { - case 'o': - /* Channel Operator */ - x[0] = 'o'; - break; - case 'v': - /* Voice */ - x[0] = 'v'; - break; - default: - Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan )); - ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); - x[0] = '\0'; + if( set ) Add_Ban_Invite(*mode_ptr, Origin, Client, Channel, Req->argv[arg_arg] ); + else Del_Ban_Invite(*mode_ptr, Origin, Client, Channel, Req->argv[arg_arg] ); } + else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel )); + Req->argv[arg_arg][0] = '\0'; + arg_arg++; } - else + else Channel_ShowInvites( Origin, Channel ); + break; + + case 'b': /* Ban lists */ + if( arg_arg > mode_arg ) { - /* Channel-Modes */ - switch( *mode_ptr ) + /* modify list */ + if( modeok ) { - case 'i': - /* Invite-Only */ - x[0] = 'i'; - break; - case 'm': - /* Moderated */ - x[0] = 'm'; - break; - case 'n': - /* kein Schreiben in den Channel von aussen */ - x[0] = 'n'; - break; - case 't': - /* Topic Lock */ - x[0] = 't'; - break; - case 'P': - /* Persistent */ - x[0] = 'P'; - break; - default: - Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan )); - ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); - x[0] = '\0'; + if( set ) Add_Ban_Invite(*mode_ptr, Origin, Client, Channel, Req->argv[arg_arg]); + else Del_Ban_Invite(*mode_ptr, Origin, Client, Channel, Req->argv[arg_arg]); } + else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel )); + Req->argv[arg_arg][0] = '\0'; + arg_arg++; } - } + else Channel_ShowBans( Origin, Channel ); + break; + + default: + 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; - - mode_ptr++; + + /* Is there a valid mode change? */ if( ! x[0] ) continue; - /* Okay, gueltigen Mode gefunden */ - if( cl ) + /* Validate target client */ + if( client && ( ! Channel_IsMemberOf( Channel, client ))) { - /* Es geht um User-Modes */ - if( set ) - { - /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */ - if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x ); - - } - else - { - /* Modes geloescht. Wenn der Client ihn hatte: merken */ - if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x ); - } - - /* "nachbearbeiten" */ - if( x[0] == 'a' ) - { - /* away */ - if( set ) Client_SetAway( cl, DEFAULT_AWAY_MSG ); - else Client_SetAway( cl, NULL ); - } + if( ! IRC_WriteStrClient( Origin, ERR_USERNOTINCHANNEL_MSG, Client_ID( Origin ), Client_ID( client ), Channel_Name( Channel ))) break; + continue; } - if( chan ) + + if( set ) { - /* Es geht um Channel-Modes oder Channel-User-Modes */ - if( chan_cl ) + /* Set mode */ + if( client ) { - /* Channel-User-Modes */ - if( set ) - { - /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ - if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x ); - } - else + /* Channel-User-Mode */ + if( Channel_UserModeAdd( Channel, client, x[0] )) { - /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ - if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x ); + 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 )); } } else { /* Channel-Mode */ - if( set ) + if( Channel_ModeAdd( Channel, x[0] )) { - /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ - if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x ); - } - else - { - /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ - if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x ); + strlcat( the_modes, x, sizeof( the_modes )); + Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel )); } } } - } - - /* Wurden Modes geaendert? */ - if( the_modes[1] ) - { - if( cl ) - { - /* Client-Mode */ - if( Client_Type( Client ) == CLIENT_SERVER ) - { - /* Modes an andere Server forwarden */ - IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes ); - } - else - { - /* Bestaetigung an Client schicken & andere Server informieren */ - ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes ); - IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes ); - } - Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl )); - } - if( chan ) + else { - /* Channel-Modes oder Channel-User-Mode */ - if( chan_cl ) + /* Unset mode */ + if( client ) { /* Channel-User-Mode */ - if( Client_Type( Client ) == CLIENT_SERVER ) + if( Channel_UserModeDel( Channel, client, x[0] )) { - /* Modes an andere Server und Channel-User forwarden */ - IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); - IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); + 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 )); } - else - { - /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */ - ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); - IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); - IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); - } - Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl )); } else { /* Channel-Mode */ - if( Client_Type( Client ) == CLIENT_SERVER ) + if( Channel_ModeDel( Channel, x[0] )) { - /* Modes an andere Server und Channel-User forwarden */ - IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes ); - IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes ); + strlcat( the_modes, x, sizeof( the_modes )); + Log( LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name( Channel ), Channel_Modes( Channel )); } - else - { - /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */ - ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes ); - IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes ); - IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes ); - } - Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan )); } } + + /* Are there additional arguments to add? */ + if( argadd[0] ) + { + strlcat( the_args, " ", sizeof( the_args )); + strlcat( the_args, argadd, sizeof( the_args )); + } + } +chan_exit: + + /* Are there changed modes? */ + if (the_modes[1]) { + /* Clean up mode string */ + len = strlen(the_modes) - 1; + if ((the_modes[len] == '+') || (the_modes[len] == '-')) + the_modes[len] = '\0'; + + 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 { + 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 ); + } } - return ok; -} /* IRC_MODE */ + IRC_SetPenalty( Client, 1 ); + return CONNECTED; +} /* Channel_Mode */ -GLOBAL BOOLEAN +GLOBAL bool IRC_AWAY( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); - if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); - /* Falsche Anzahl Parameter? */ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); @@ -414,92 +629,99 @@ IRC_AWAY( CLIENT *Client, REQUEST *Req ) { /* AWAY setzen */ Client_SetAway( Client, Req->argv[0] ); + Client_ModeAdd( Client, 'a' ); IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client )); return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client )); } else { /* AWAY loeschen */ - Client_SetAway( Client, NULL ); + Client_ModeDel( Client, 'a' ); IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client )); return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client )); } } /* IRC_AWAY */ -LOCAL BOOLEAN -Show_InviteList( CLIENT *Client, CHANNEL *Channel ) +static bool +Add_Ban_Invite(int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern) { + const char *mask; + bool already; + bool ret; + assert( Client != NULL ); assert( Channel != NULL ); + assert( Pattern != NULL ); + assert(what == 'I' || what == 'b'); - return IRC_WriteStrClient( Client, RPL_ENDOFINVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel )); -} /* Show_InviteList */ + mask = Lists_MakeMask(Pattern); + already = Lists_CheckDupeMask(Channel_GetListInvites(Channel), mask); + if (!already) { + if (what == 'I') + ret = Channel_AddInvite(Channel, mask, false); + else + ret = Channel_AddBan(Channel, mask); + if (!ret) + return CONNECTED; + } + if (already && (Client_Type(Prefix) == CLIENT_SERVER)) + return CONNECTED; -LOCAL BOOLEAN -Show_BanList( CLIENT *Client, CHANNEL *Channel ) -{ - assert( Client != NULL ); - assert( Channel != NULL ); - - return IRC_WriteStrClient( Client, RPL_ENDOFBANLIST_MSG, Client_ID( Client ), Channel_Name( Channel )); -} /* Show_BanList */ + if (what == 'I') + return Send_ListChange("+I", Prefix, Client, Channel, mask); + return Send_ListChange("+b", Prefix, Client, Channel, mask); +} -LOCAL BOOLEAN -Add_Invite( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ) +static bool +Del_Ban_Invite(int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern) { - CHAR *mask; + const char *mask; + struct list_head *list; assert( Client != NULL ); assert( Channel != NULL ); assert( Pattern != NULL ); + assert(what == 'I' || what == 'b'); mask = Lists_MakeMask( Pattern ); - if( ! Lists_AddInvited( mask, Channel, FALSE )) return CONNECTED; - - IRC_WriteStrChannelPrefix( Client, Channel, Client, TRUE, "MODE %s +I %s", Channel_Name( Channel ), mask ); - if( Client_Type( Client ) == CLIENT_USER ) - { - if( ! IRC_WriteStrClientPrefix( Client, Client, "MODE %s +I %s", Channel_Name( Channel ), mask )) return DISCONNECTED; - } - return CONNECTED; -} /* Add_Invite */ - - -LOCAL BOOLEAN -Add_Ban( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ) -{ - assert( Client != NULL ); - assert( Channel != NULL ); - assert( Pattern != NULL ); + if (what == 'I') + list = Channel_GetListInvites(Channel); + else + list = Channel_GetListBans(Channel); - return CONNECTED; -} /* Add_Ban */ + Lists_Del(list, mask); + if (what == 'I') + return Send_ListChange( "-I", Prefix, Client, Channel, mask ); + return Send_ListChange( "-b", Prefix, Client, Channel, mask ); +} -LOCAL BOOLEAN -Del_Invite( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ) +static bool +Send_ListChange( char *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Mask ) { - assert( Client != NULL ); - assert( Channel != NULL ); - assert( Pattern != NULL ); + /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */ - return CONNECTED; -} /* Del_Invite */ + 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; -LOCAL BOOLEAN -Del_Ban( CLIENT *Client, CHANNEL *Channel, CHAR *Pattern ) -{ - assert( Client != NULL ); - assert( Channel != NULL ); - assert( Pattern != NULL ); + /* an andere Server */ + IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask ); - return CONNECTED; -} /* Del_Ban */ + /* und lokale User im Channel */ + IRC_WriteStrChannelPrefix( Client, Channel, Prefix, false, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask ); + + return ok; +} /* Send_ListChange */ /* -eof- */