/**
* Handler for the IRC "MODE" command.
*
* This function detects whether user or channel modes should be modified
* and calls the appropriate sub-functions.
*
* @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_MODE( CLIENT *Client, REQUEST *Req )
{
CLIENT *cl, *origin;
CHANNEL *chan;
assert(Client != NULL);
assert(Req != NULL);
_IRC_GET_SENDER_OR_RETURN_(origin, Req, Client)
/* Test for "fake" MODE commands injected by this local instance,
* for example when handling the "DefaultUserModes" settings.
* This doesn't harm real commands, because prefixes of regular
* clients are checked in Validate_Prefix() and can't be faked. */
if (Req->prefix && Client_Search(Req->prefix) == Client_ThisServer())
Client = Client_Search(Req->prefix);
/* 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_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client), Req->argv[0]);
} /* IRC_MODE */
/**
* Handler for the IRC "MODE" command.
*
* See RFC 2812 section 3.1.5 ("user mode message") and section 3.2.3
* ("channel mode message"), and RFC 2811 section 4 ("channel modes").
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_MODE( CLIENT *Client, REQUEST *Req )
{
CLIENT *cl, *origin;
CHANNEL *chan;
assert(Client != NULL);
assert(Req != NULL);
/* No parameters? */
if (Req->argc < 1)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
/* 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 */
