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Code Issues Releases Wiki Activity

IRC_LINKS(): Code cleanup; more documentation

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This commit is contained in:
Alexander Barton 2012-01-04 22:49:18 +01:00
parent 6b62a5ec4f
commit 762b0325df
1 changed files with 54 additions and 32 deletions
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74
src/ngircd/irc-info.c
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@ -200,6 +200,15 @@ IRC_ISON( CLIENT *Client, REQUEST *Req )
} /* IRC_ISON */ } /* IRC_ISON */
/**
* Handler for the IRC "LINKS" command.
*
* See RFC 2812, 3.4.5 "Links 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 GLOBAL bool
IRC_LINKS(CLIENT *Client, REQUEST *Req) IRC_LINKS(CLIENT *Client, REQUEST *Req)
{ {
@ -209,42 +218,55 @@ IRC_LINKS( CLIENT *Client, REQUEST *Req )
assert(Client != NULL); assert(Client != NULL);
assert(Req != NULL); assert(Req != NULL);
if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); IRC_SetPenalty(Client, 1);
/* Server-Mask ermitteln */ if (Req->argc > 2)
if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1]; return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
else mask = "*"; Client_ID(Client), Req->command);
/* Absender ermitteln */ /* Get pointer to server mask or "*", if none given */
if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix ); if (Req->argc > 0)
else from = Client; mask = Req->argv[Req->argc - 1];
if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); else
mask = "*";
/* An anderen Server forwarden? */ if (Client_Type(Client) == CLIENT_SERVER)
if( Req->argc == 2 ) from = Client_Search(Req->prefix);
{ else
from = Client;
if (!from)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client), Req->prefix);
/* Forward? */
if (Req->argc == 2) {
target = Client_Search(Req->argv[0]); target = Client_Search(Req->argv[0]);
if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] ); if (! target || Client_Type(target) != CLIENT_SERVER)
else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] ); return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
Client_ID(from),
Req->argv[0] );
else
if (target != Client_ThisServer())
return IRC_WriteStrClientPrefix(target, from,
"LINKS %s %s", Req->argv[0],
Req->argv[1]);
} }
/* Wer ist der Absender? */
if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
else target = Client;
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
c = Client_First(); c = Client_First();
while( c ) while (c) {
{ if (Client_Type(c) == CLIENT_SERVER) {
if( Client_Type( c ) == CLIENT_SERVER ) if (!IRC_WriteStrClient(from, RPL_LINKS_MSG,
{ Client_ID(from), Client_ID(c),
if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED; Client_ID(Client_TopServer(c)
? Client_TopServer(c)
: Client_ThisServer()),
Client_Hops(c), Client_Info(c)))
return DISCONNECTED;
} }
c = Client_Next(c); c = Client_Next(c);
} }
return IRC_WriteStrClient(from, RPL_ENDOFLINKS_MSG,
IRC_SetPenalty( target, 1 ); Client_ID(from), mask);
return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
} /* IRC_LINKS */ } /* IRC_LINKS */