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https://github.com/osmarks/ngircd.git
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- fixed broken handling of modes received from other servers.
This commit is contained in:
Alexander Barton
parent
865c43080a
commit
7f61f413f4
@ -14,7 +14,7 @@
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#include "portab.h"
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static char UNUSED id[] = "$Id: irc-mode.c,v 1.21 2002/12/15 16:29:18 alex Exp $";
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static char UNUSED id[] = "$Id: irc-mode.c,v 1.22 2002/12/16 10:52:53 alex Exp $";
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#include "imp.h"
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#include <assert.h>
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@ -148,45 +148,36 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
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continue;
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}
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/* Validate modes */
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x[0] = '\0';
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if( Client_Type( Client ) == CLIENT_SERVER )
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switch( *mode_ptr )
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{
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/* MODE request was received from a server:
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* therefore don't validate but trust it! */
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x[0] = *mode_ptr;
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}
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else
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{
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/* Validate modes */
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switch( *mode_ptr )
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{
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case 'i':
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/* Invisible */
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x[0] = 'i';
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break;
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case 'o':
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/* IRC operator (only unsetable!) */
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if( ! set )
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{
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Client_SetOperByMe( Target, FALSE );
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x[0] = 'o';
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}
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else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
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break;
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case 'r':
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/* Restricted (only setable) */
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if( set ) x[0] = 'r';
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else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
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break;
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case 's':
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/* Server messages */
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x[0] = 's';
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break;
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default:
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Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
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ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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case 'i':
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/* Invisible */
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x[0] = 'i';
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break;
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case 'o':
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/* IRC operator (only unsetable!) */
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if( ! set )
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{
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Client_SetOperByMe( Target, FALSE );
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x[0] = 'o';
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}
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else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
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break;
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case 'r':
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/* Restricted (only setable) */
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if( set ) x[0] = 'r';
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else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
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break;
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case 's':
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/* Server messages */
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x[0] = 's';
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break;
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default:
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Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
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if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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if( ! ok ) break;
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@ -315,113 +306,104 @@ Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
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/* Are there arguments left? */
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if( arg_arg >= Req->argc ) arg_arg = -1;
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/* Validate modes */
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x[0] = '\0';
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client = NULL;
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if( Client_Type( Client ) == CLIENT_SERVER )
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switch( *mode_ptr )
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{
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/* MODE request was received from a server:
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* therefore don't validate but trust it! */
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x[0] = *mode_ptr;
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}
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else
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{
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/* Validate modes */
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switch( *mode_ptr )
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{
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/* Channel modes */
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case 'i':
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/* Invite-Only */
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if( modeok ) x[0] = 'i';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 'm':
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/* Moderated */
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if( modeok ) x[0] = 'm';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 'n':
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/* kein Schreiben in den Channel von aussen */
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if( modeok ) x[0] = 'n';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 't':
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/* Topic Lock */
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if( modeok ) x[0] = 't';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 'P':
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/* Persistent channel */
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/* Channel modes */
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case 'i':
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/* Invite-Only */
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if( modeok ) x[0] = 'i';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 'm':
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/* Moderated */
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if( modeok ) x[0] = 'm';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 'n':
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/* kein Schreiben in den Channel von aussen */
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if( modeok ) x[0] = 'n';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 't':
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/* Topic Lock */
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if( modeok ) x[0] = 't';
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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case 'P':
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/* Persistent channel */
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if( modeok )
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{
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if( set && ( ! Client_OperByMe( Client )))
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{
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/* Only IRC operators are allowed to set P mode */
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ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
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}
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else x[0] = 'P';
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}
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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/* Channel user modes */
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case 'o':
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/* Channel operator */
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case 'v':
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/* Voice */
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if( arg_arg > mode_arg )
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{
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if( modeok )
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{
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if( set && ( ! Client_OperByMe( Client )))
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{
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/* Only IRC operators are allowed to set P mode */
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ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
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}
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else x[0] = 'P';
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client = Client_Search( Req->argv[arg_arg] );
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if( client ) x[0] = *mode_ptr;
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else ok = IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[arg_arg] );
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}
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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break;
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Req->argv[arg_arg][0] = '\0';
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arg_arg++;
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}
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else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
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break;
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/* Channel user modes */
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case 'o':
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/* Channel operator */
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case 'v':
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/* Voice */
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if( arg_arg > mode_arg )
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/* Channel lists */
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case 'I':
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/* Invite lists */
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if( arg_arg > mode_arg )
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{
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/* modify list */
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if( modeok )
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{
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if( modeok )
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{
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client = Client_Search( Req->argv[arg_arg] );
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if( client ) x[0] = *mode_ptr;
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else ok = IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[arg_arg] );
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}
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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Req->argv[arg_arg][0] = '\0';
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arg_arg++;
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if( set ) Add_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
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else Del_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
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}
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else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
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break;
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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Req->argv[arg_arg][0] = '\0';
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arg_arg++;
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}
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else Lists_ShowInvites( Origin, Channel );
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break;
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case 'b':
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/* Ban lists */
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if( arg_arg > mode_arg )
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{
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/* modify list */
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if( modeok )
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{
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if( set ) Add_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
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else Del_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
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}
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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Req->argv[arg_arg][0] = '\0';
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arg_arg++;
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}
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else Lists_ShowBans( Origin, Channel );
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break;
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/* Channel lists */
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case 'I':
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/* Invite lists */
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if( arg_arg > mode_arg )
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{
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/* modify list */
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if( modeok )
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{
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if( set ) Add_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
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else Del_Invite( Origin, Client, Channel, Req->argv[arg_arg] );
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}
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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Req->argv[arg_arg][0] = '\0';
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arg_arg++;
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}
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else Lists_ShowInvites( Origin, Channel );
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break;
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case 'b':
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/* Ban lists */
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if( arg_arg > mode_arg )
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{
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/* modify list */
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if( modeok )
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{
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if( set ) Add_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
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else Del_Ban( Origin, Client, Channel, Req->argv[arg_arg] );
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}
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else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
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Req->argv[arg_arg][0] = '\0';
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arg_arg++;
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}
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else Lists_ShowBans( Origin, Channel );
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break;
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default:
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Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ), Channel_Name( Channel ));
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ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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default:
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Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ), Channel_Name( Channel ));
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if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
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x[0] = '\0';
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}
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if( ! ok ) break;
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