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Enhanced the handler for PING and PONG commands: fix forwarding and enable
back-passing of a client supplied additional argument of PING.
This commit is contained in:
Alexander Barton
parent
2f105b1c0a
commit
4074fd9149
@ -12,6 +12,8 @@
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ngIRCd CVSHEAD
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- Enhanced the handler for PING and PONG commands: fix forwarding and enable
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back-passing of a client supplied additional argument of PING.
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- Changed handling of timeouts for unregistered connections: don't reset
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the counter if data is received and disconnect clients earlier.
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- Fixed a format string bug in "connection statistics" messages to clients.
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@ -634,4 +636,4 @@ ngIRCd 0.0.1, 31.12.2001
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--
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$Id: ChangeLog,v 1.289 2005/08/27 23:33:10 alex Exp $
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$Id: ChangeLog,v 1.290 2005/08/28 11:40:13 alex Exp $
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@ -14,7 +14,7 @@
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#include "portab.h"
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static char UNUSED id[] = "$Id: irc-login.c,v 1.47 2005/08/27 18:39:56 fw Exp $";
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static char UNUSED id[] = "$Id: irc-login.c,v 1.48 2005/08/28 11:40:13 alex Exp $";
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#include "imp.h"
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#include <assert.h>
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@ -427,81 +427,127 @@ IRC_QUIT( CLIENT *Client, REQUEST *Req )
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GLOBAL bool
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IRC_PING( CLIENT *Client, REQUEST *Req )
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IRC_PING(CLIENT *Client, REQUEST *Req)
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{
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CLIENT *target, *from;
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assert( Client != NULL );
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assert( Req != NULL );
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assert(Client != NULL);
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assert(Req != NULL);
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/* wrong number of arguments? */
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if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
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/* Wrong number of arguments? */
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if (Req->argc < 1)
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return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
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Client_ID(Client));
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#ifdef STRICT_RFC
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if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* Don't ignore additional arguments when in "strict" mode */
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if (Req->argc > 2)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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#endif
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if( Req->argc > 1 ) {
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/* a target client was specified */
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target = Client_Search( Req->argv[1] );
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
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return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
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if( target != Client_ThisServer( )) {
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/* ok, forward */
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if( Client_Type( Client ) == CLIENT_SERVER )
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from = Client_Search( Req->prefix );
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if (Req->argc > 1) {
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/* A target has been specified ... */
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target = Client_Search(Req->argv[1]);
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if (!target || Client_Type(target) != CLIENT_SERVER)
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return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
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Client_ID(Client), Req->argv[1]);
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if (target != Client_ThisServer()) {
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/* Ok, we have to forward the PING */
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if (Client_Type(Client) == CLIENT_SERVER)
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from = Client_Search(Req->prefix);
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else
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from = Client;
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if (!from)
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return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG,
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Client_ID( Client ), Req->prefix );
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return IRC_WriteStrClient(Client,
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ERR_NOSUCHSERVER_MSG,
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Client_ID(Client), Req->prefix);
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return IRC_WriteStrClientPrefix(target, from,
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"PING %s :%s", Client_ID( from ), Req->argv[1] );
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"PING %s :%s", Req->argv[0],
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Req->argv[1] );
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}
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}
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Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
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if (Client_Type(Client) == CLIENT_SERVER) {
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if (Req->prefix)
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from = Client_Search(Req->prefix);
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else
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from = Client;
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} else
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from = Client_ThisServer();
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if (!from)
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return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
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Client_ID(Client), Req->prefix);
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Log(LOG_DEBUG, "Connection %d: got PING, sending PONG ...",
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Client_Conn(Client));
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#ifdef STRICT_RFC
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return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )),
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Client_ID( Client ));
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return IRC_WriteStrClient(Client, "PONG %s :%s",
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Client_ID(from), Client_ID(Client));
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#else
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/* some clients depend on argument being returned in PONG reply (not mentioned in any RFC, though) */
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return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Req->argv[0]);
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/* Some clients depend on the argument being returned in the PONG
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* reply (not mentioned in any RFC, though) */
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return IRC_WriteStrClient(Client, "PONG %s :%s",
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Client_ID(from), Req->argv[0]);
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#endif
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} /* IRC_PING */
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GLOBAL bool
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IRC_PONG( CLIENT *Client, REQUEST *Req )
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IRC_PONG(CLIENT *Client, REQUEST *Req)
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{
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CLIENT *target, *from;
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char *s;
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assert( Client != NULL );
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assert( Req != NULL );
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assert(Client != NULL);
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assert(Req != NULL);
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/* Falsche Anzahl Parameter? */
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if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
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if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
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/* Wrong number of arguments? */
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if (Req->argc < 1)
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return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
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Client_ID(Client));
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if (Req->argc > 2)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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/* forwarden? */
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if( Req->argc == 2 )
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{
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target = Client_Search( Req->argv[1] );
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if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
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if( target != Client_ThisServer( ))
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{
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/* ok, forwarden */
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if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
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else from = Client;
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if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
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return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
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/* Forward? */
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if (Req->argc == 2 && Client_Type(Client) == CLIENT_SERVER) {
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target = Client_Search(Req->argv[0]);
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if (!target)
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return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
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Client_ID(Client), Req->argv[0]);
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if (target != Client_ThisServer()) {
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/* Ok, we have to forward the message. */
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from = Client_Search(Req->prefix);
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if (!from)
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return IRC_WriteStrClient(Client,
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ERR_NOSUCHSERVER_MSG,
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Client_ID(Client), Req->prefix);
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if (Client_Type(Client_NextHop(target)) != CLIENT_SERVER)
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s = Client_ID(from);
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else
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s = Req->argv[0];
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return IRC_WriteStrClientPrefix(target, from,
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"PONG %s :%s", s, Req->argv[1]);
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}
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}
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/* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
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* aktualisiert, daher muss das hier nicht mehr gemacht werden. */
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/* The connection timestamp has already been updated when the data has
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* been read from so socket, so we don't need to update it here. */
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if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
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else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
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if (Client_Conn(Client) > NONE)
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Log(LOG_DEBUG,
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"Connection %d: received PONG. Lag: %ld seconds.",
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Client_Conn(Client),
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time(NULL) - Conn_LastPing(Client_Conn(Client)));
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else
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Log(LOG_DEBUG,
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"Connection %d: received PONG.", Client_Conn(Client));
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return CONNECTED;
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} /* IRC_PONG */
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