/*
* 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)
*
* 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
#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 1.39 2005/03/15 16:56:18 alex Exp $";
#include "imp.h"
#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include "conn.h"
CHAR the_modes[COMMAND_LEN], x[2], *mode_ptr;
BOOLEAN ok, set;
INT mode_arg;
+ size_t len;
/* Is the client allowed to request or change the modes? */
if( Client_Type( Client ) == CLIENT_USER )
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
{
/* Append modifier character to result string */
- x[0] = *mode_ptr; strcat( the_modes, x );
+ x[0] = *mode_ptr;
+ strlcat( the_modes, x, sizeof( the_modes ));
}
if( *mode_ptr == '+' ) set = TRUE;
else set = FALSE;
x[0] = '\0';
switch( *mode_ptr )
{
- case 'i':
- /* Invisible */
- x[0] = 'i';
+ case 'i': /* Invisible */
+ case 's': /* Server messages */
+ x[0] = *mode_ptr;
break;
- case 'o':
- /* IRC operator (only unsetable!) */
- if( ! set )
+
+ case 'a': /* Away */
+ if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ x[0] = 'a';
+ Client_SetAway( Client, 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 setable) */
- if( set ) x[0] = 'r';
+
+ 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;
- case 's':
- /* Server messages */
- x[0] = 's';
- 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;
if( set )
{
/* Set mode */
- if( Client_ModeAdd( Target, x[0] )) strcat( the_modes, x );
+ if( Client_ModeAdd( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes ));
}
else
{
/* Unset mode */
- if( Client_ModeDel( Target, x[0] )) strcat( the_modes, x );
+ if( Client_ModeDel( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes ));
}
}
-
+client_exit:
+
/* Are there changed modes? */
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 )
{
else
{
/* Send reply to client and inform other servers */
- ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s %s", Client_ID( Target ), the_modes );
+ 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 */
{
/* Handle channel and channel-user modes */
- CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], *mode_ptr;
- BOOLEAN ok, set, modeok, skiponce;
+ CHAR the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], argadd[CLIENT_PASS_LEN], *mode_ptr;
+ BOOLEAN ok, set, modeok = FALSE, 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 IRC_WriteStrClient( Origin, RPL_CHANNELMODEIS_MSG, Client_ID( Origin ), Channel_Name( Channel ), Channel_Modes( Channel ));
+ 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 );
+ }
/* 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 ));
+
+ /* Is he channel operator? */
if( strchr( Channel_UserModes( Channel, Origin ), 'o' )) modeok = TRUE;
- else modeok = FALSE;
- if( Conf_OperCanMode )
+ else if( Conf_OperCanMode )
{
- /* auch IRC-Operatoren duerfen MODE verwenden */
- if( Client_OperByMe( Origin )) modeok = TRUE;
+ /* 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;
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
{
/* Append modifier character to result string */
- x[0] = *mode_ptr; strcat( the_modes, x );
+ x[0] = *mode_ptr;
+ strlcat( the_modes, x, sizeof( the_modes ));
}
if( *mode_ptr == '+' ) set = TRUE;
else set = FALSE;
/* Validate modes */
x[0] = '\0';
+ argadd[0] = '\0';
client = NULL;
switch( *mode_ptr )
{
- /* Channel modes */
- case 'i':
- /* Invite-Only */
- if( modeok ) x[0] = 'i';
- else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
- break;
- case 'm':
- /* Moderated */
- if( modeok ) x[0] = 'm';
+ /* --- 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 'n':
- /* kein Schreiben in den Channel von aussen */
- if( modeok ) x[0] = 'n';
- else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+
+ 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] );
+ 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 't':
- /* Topic Lock */
- if( modeok ) x[0] = 't';
- else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+
+ 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 );
+ snprintf( argadd, sizeof( 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;
- case 'P':
- /* Persistent channel */
+
+ case 'P': /* Persistent channel */
if( modeok )
{
if( set && ( ! Client_OperByMe( Client )))
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 */
+ /* --- Channel user modes --- */
+
+ case 'o': /* Channel operator */
+ case 'v': /* Voice */
if( arg_arg > mode_arg )
{
if( modeok )
else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
break;
- /* Channel lists */
- case 'I':
- /* Invite lists */
+ /* --- Channel lists --- */
+
+ case 'I': /* Invite lists */
if( arg_arg > mode_arg )
{
/* modify list */
}
else Lists_ShowInvites( Origin, Channel );
break;
- case 'b':
- /* Ban lists */
+
+ case 'b': /* Ban lists */
if( arg_arg > mode_arg )
{
/* modify list */
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;
/* Is there a valid mode change? */
if( ! x[0] ) continue;
+ /* Validate target client */
+ if( client && ( ! Channel_IsMemberOf( Channel, client )))
+ {
+ if( ! IRC_WriteStrClient( Origin, ERR_USERNOTINCHANNEL_MSG, Client_ID( Origin ), Client_ID( client ), Channel_Name( Channel ))) break;
+ continue;
+ }
+
if( set )
{
/* Set mode */
/* Channel-User-Mode */
if( Channel_UserModeAdd( Channel, client, x[0] ))
{
- strcat( the_args, Client_ID( client ));
- strcat( the_args, " " ); strcat( the_modes, x );
+ strlcat( the_args, Client_ID( client ), sizeof( the_args ));
+ strlcat( the_args, " ", 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 ));
}
}
/* Channel-Mode */
if( Channel_ModeAdd( Channel, 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 ));
}
}
/* Channel-User-Mode */
if( Channel_UserModeDel( Channel, client, x[0] ))
{
- strcat( the_args, Client_ID( client ));
- strcat( the_args, " " ); strcat( the_modes, x );
+ strlcat( the_args, Client_ID( client ), sizeof( the_args ));
+ strlcat( the_args, " ", 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 ));
}
}
/* Channel-Mode */
if( Channel_ModeDel( Channel, 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 ));
}
}
- }
+ }
+
+ /* Are there additional arguments to add? */
+ if( argadd[0] )
+ {
+ len = strlen( the_args ) - 1;
+ if( the_args[len] != ' ' ) 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 */
- 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';
/* Clean up argument string if there are none */
if( ! the_args[1] ) the_args[0] = '\0';
}
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_SetPenalty( Client, 1 );
return CONNECTED;
} /* Channel_Mode */
{
/* 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 ));
}
Add_Invite( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
{
CHAR *mask;
+ BOOLEAN already;
assert( Client != NULL );
assert( Channel != NULL );
mask = Lists_MakeMask( Pattern );
- if( ! Lists_AddInvited( Prefix, mask, Channel, FALSE )) return CONNECTED;
+ already = Lists_IsInviteEntry( mask, Channel );
+
+ if( ! Lists_AddInvited( mask, Channel, FALSE )) return CONNECTED;
+
+ if(( Client_Type( Prefix ) == CLIENT_SERVER ) && ( already == TRUE )) return CONNECTED;
+
return Send_ListChange( "+I", Prefix, Client, Channel, mask );
} /* Add_Invite */
Add_Ban( CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, CHAR *Pattern )
{
CHAR *mask;
+ BOOLEAN already;
assert( Client != NULL );
assert( Channel != NULL );
mask = Lists_MakeMask( Pattern );
- if( ! Lists_AddBanned( Prefix, mask, Channel )) return CONNECTED;
+ already = Lists_IsBanEntry( mask, Channel );
+
+ if( ! Lists_AddBanned( mask, Channel )) return CONNECTED;
+
+ if(( Client_Type( Prefix ) == CLIENT_SERVER ) && ( already == TRUE )) return CONNECTED;
+
return Send_ListChange( "+b", Prefix, Client, Channel, mask );
} /* Add_Ban */
projects / ngircd-alex.git / blobdiff