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irc-oper.c: code cleanup; more documentation

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This commit is contained in:
Alexander Barton 2011-12-25 16:08:00 +01:00
parent fc82efc3e8
commit 3ca8703309
1 changed files with 94 additions and 27 deletions
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121
src/ngircd/irc-oper.c
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@ -1,6 +1,6 @@
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
* Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
*
* 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
@ -37,7 +37,6 @@
#include <exp.h>
#include "irc-oper.h"
/**
* Handle invalid received OPER command.
* Log OPER attempt and send error message to client.
@ -52,7 +51,15 @@ Bad_OperPass(CLIENT *Client, char *errtoken, char *errmsg)
Client_ID(Client));
} /* Bad_OperPass */
/**
* Handler for the IRC "OPER" command.
*
* See RFC 2812, 3.1.4 "Oper message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_OPER( CLIENT *Client, REQUEST *Req )
{
@ -62,7 +69,9 @@ IRC_OPER( CLIENT *Client, REQUEST *Req )
assert( Client != NULL );
assert( Req != NULL );
if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if (Req->argc != 2)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
len = array_length(&Conf_Opers, sizeof(*op));
op = array_start(&Conf_Opers);
@ -77,20 +86,33 @@ IRC_OPER( CLIENT *Client, REQUEST *Req )
if (op[i].mask && (!Match(op[i].mask, Client_Mask(Client))))
return Bad_OperPass(Client, op[i].mask, "hostmask check failed");
if( ! Client_HasMode( Client, 'o' ))
{
Client_ModeAdd( Client, 'o' );
if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
if (!Client_HasMode(Client, 'o')) {
Client_ModeAdd(Client, 'o');
if (!IRC_WriteStrClient(Client, "MODE %s :+o",
Client_ID(Client)))
return DISCONNECTED;
IRC_WriteStrServersPrefix(NULL, Client, "MODE %s :+o",
Client_ID(Client));
}
if( ! Client_OperByMe( Client )) Log( LOG_NOTICE|LOG_snotice, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
if (!Client_OperByMe(Client))
Log(LOG_NOTICE|LOG_snotice,
"Got valid OPER from \"%s\", user is an IRC operator now.",
Client_Mask(Client));
Client_SetOperByMe( Client, true);
return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
Client_SetOperByMe(Client, true);
return IRC_WriteStrClient(Client, RPL_YOUREOPER_MSG, Client_ID(Client));
} /* IRC_OPER */
/**
* Handler for the IRC "DIE" command.
*
* See RFC 2812, 4.3 "Die message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_DIE(CLIENT * Client, REQUEST * Req)
{
@ -133,7 +155,15 @@ IRC_DIE(CLIENT * Client, REQUEST * Req)
return CONNECTED;
} /* IRC_DIE */
/**
* Handler for the IRC "REHASH" command.
*
* See RFC 2812, 4.2 "Rehash message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_REHASH( CLIENT *Client, REQUEST *Req )
{
@ -146,15 +176,26 @@ IRC_REHASH( CLIENT *Client, REQUEST *Req )
return Op_NoPrivileges(Client, Req);
/* Bad number of parameters? */
if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if (Req->argc != 0)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command );
Log( LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...", Client_Mask( Client ));
Log(LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...",
Client_Mask(Client));
raise(SIGHUP);
return CONNECTED;
} /* IRC_REHASH */
/**
* Handler for the IRC "RESTART" command.
*
* See RFC 2812, 4.4 "Restart message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_RESTART( CLIENT *Client, REQUEST *Req )
{
@ -167,16 +208,25 @@ IRC_RESTART( CLIENT *Client, REQUEST *Req )
return Op_NoPrivileges(Client, Req);
/* Bad number of parameters? */
if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if (Req->argc != 0)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
Log( LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...", Client_Mask( Client ));
Log(LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...",
Client_Mask(Client));
NGIRCd_SignalRestart = true;
return CONNECTED;
} /* IRC_RESTART */
/**
* Connect configured or new server.
* Handler for the IRC "CONNECT" command.
*
* See RFC 2812, 3.4.7 "Connect message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_CONNECT(CLIENT * Client, REQUEST * Req)
@ -272,9 +322,15 @@ IRC_CONNECT(CLIENT * Client, REQUEST * Req)
return CONNECTED;
} /* IRC_CONNECT */
/**
* Disconnect (and disable) configured server.
* Handler for the IRC "DISCONNECT" command.
*
* This command is not specified in the IRC RFCs, it is an extension
* of ngIRCd: it shuts down and disables a configured server connection.
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_DISCONNECT(CLIENT * Client, REQUEST * Req)
@ -315,7 +371,15 @@ IRC_DISCONNECT(CLIENT * Client, REQUEST * Req)
return DISCONNECTED;
} /* IRC_DISCONNECT */
/**
* Handler for the IRC "WALLOPS" command.
*
* See RFC 2812, 4.7 "Operwall message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_WALLOPS( CLIENT *Client, REQUEST *Req )
{
@ -325,12 +389,14 @@ IRC_WALLOPS( CLIENT *Client, REQUEST *Req )
assert( Req != NULL );
if (Req->argc != 1)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
switch (Client_Type(Client)) {
case CLIENT_USER:
if (!Client_OperByMe(Client))
return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, Client_ID(Client));
return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
Client_ID(Client));
from = Client;
break;
case CLIENT_SERVER:
@ -341,7 +407,8 @@ IRC_WALLOPS( CLIENT *Client, REQUEST *Req )
}
if (!from)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->prefix);
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client), Req->prefix);
IRC_SendWallops(Client, from, "%s", Req->argv[0]);
return CONNECTED;