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- diverse Aenderungen und Umsetellungen fuer Server-Links.
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@ -9,11 +9,14 @@
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* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
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* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
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* der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
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* der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
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*
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*
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* $Id: conn.c,v 1.26 2002/01/02 02:50:47 alex Exp $
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* $Id: conn.c,v 1.27 2002/01/03 02:25:36 alex Exp $
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*
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*
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* connect.h: Verwaltung aller Netz-Verbindungen ("connections")
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* connect.h: Verwaltung aller Netz-Verbindungen ("connections")
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*
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*
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* $Log: conn.c,v $
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* $Log: conn.c,v $
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* Revision 1.27 2002/01/03 02:25:36 alex
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* - diverse Aenderungen und Umsetellungen fuer Server-Links.
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*
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* Revision 1.26 2002/01/02 02:50:47 alex
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* Revision 1.26 2002/01/02 02:50:47 alex
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* - Asyncroner Resolver Hostname->IP.
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* - Asyncroner Resolver Hostname->IP.
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* - Server-Links begonnen zu implementieren. Die Verbindung wird aufgebaut,
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* - Server-Links begonnen zu implementieren. Die Verbindung wird aufgebaut,
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@ -708,8 +711,15 @@ LOCAL VOID Read_Request( CONN_ID Idx )
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assert( Idx >= 0 );
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assert( Idx >= 0 );
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assert( My_Connections[Idx].sock > NONE );
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assert( My_Connections[Idx].sock > NONE );
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len = recv( My_Connections[Idx].sock, My_Connections[Idx].rbuf + My_Connections[Idx].rdatalen, READBUFFER_LEN - My_Connections[Idx].rdatalen - 1, 0 );
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if( READBUFFER_LEN - My_Connections[Idx].rdatalen - 2 < 0 )
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My_Connections[Idx].rbuf[READBUFFER_LEN - 1] = '\0';
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{
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/* Der Lesepuffer ist voll */
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Log( LOG_ALERT, "Read buffer overflow (connection %d): %d bytes!", Idx, My_Connections[Idx].rdatalen );
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Conn_Close( Idx, "Read buffer overflow!" );
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return;
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}
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len = recv( My_Connections[Idx].sock, My_Connections[Idx].rbuf + My_Connections[Idx].rdatalen, READBUFFER_LEN - My_Connections[Idx].rdatalen - 2, 0 );
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if( len == 0 )
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if( len == 0 )
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{
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{
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@ -729,19 +739,9 @@ LOCAL VOID Read_Request( CONN_ID Idx )
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/* Lesebuffer updaten */
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/* Lesebuffer updaten */
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My_Connections[Idx].rdatalen += len;
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My_Connections[Idx].rdatalen += len;
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assert( My_Connections[Idx].rdatalen <= READBUFFER_LEN );
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assert( My_Connections[Idx].rdatalen < READBUFFER_LEN );
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My_Connections[Idx].rbuf[My_Connections[Idx].rdatalen] = '\0';
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My_Connections[Idx].rbuf[My_Connections[Idx].rdatalen] = '\0';
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if( My_Connections[Idx].rdatalen > COMMAND_LEN )
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{
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/* Eine Anfrage darf(!) nicht laenger als 512 Zeichen
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* (incl. CR+LF!) werden; vgl. RFC 2812. Wenn soetwas
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* empfangen wird, wird der Client disconnectiert. */
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Log( LOG_ALERT, "Request too long (connection %d)!", Idx );
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Conn_Close( Idx, "Request too long!" );
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return;
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}
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/* Timestamp aktualisieren */
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/* Timestamp aktualisieren */
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My_Connections[Idx].lastdata = time( NULL );
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My_Connections[Idx].lastdata = time( NULL );
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@ -761,6 +761,7 @@ LOCAL VOID Handle_Buffer( CONN_ID Idx )
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ptr = strstr( My_Connections[Idx].rbuf, "\r\n" );
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ptr = strstr( My_Connections[Idx].rbuf, "\r\n" );
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if( ptr ) delta = 2;
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if( ptr ) delta = 2;
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#ifndef STRICT_RFC
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else
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else
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{
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{
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/* Nicht RFC-konforme Anfrage mit nur CR oder LF? Leider
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/* Nicht RFC-konforme Anfrage mit nur CR oder LF? Leider
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@ -772,12 +773,23 @@ LOCAL VOID Handle_Buffer( CONN_ID Idx )
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else if( ptr1 ) ptr = ptr1;
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else if( ptr1 ) ptr = ptr1;
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else if( ptr2 ) ptr = ptr2;
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else if( ptr2 ) ptr = ptr2;
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}
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}
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#endif
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if( ptr )
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if( ptr )
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{
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{
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/* Ende der Anfrage wurde gefunden */
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/* Ende der Anfrage wurde gefunden */
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*ptr = '\0';
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*ptr = '\0';
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len = ( ptr - My_Connections[Idx].rbuf ) + delta;
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len = ( ptr - My_Connections[Idx].rbuf ) + delta;
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if( len > COMMAND_LEN )
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{
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/* Eine Anfrage darf(!) nicht laenger als 512 Zeichen
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* (incl. CR+LF!) werden; vgl. RFC 2812. Wenn soetwas
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* empfangen wird, wird der Client disconnectiert. */
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Log( LOG_ALERT, "Request too long (connection %d): %d bytes!", Idx, My_Connections[Idx].rdatalen );
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Conn_Close( Idx, "Request too long!" );
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return;
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}
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if( len > delta )
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if( len > delta )
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{
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{
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/* Es wurde ein Request gelesen */
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/* Es wurde ein Request gelesen */
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@ -910,6 +922,7 @@ LOCAL VOID New_Server( INT Server, CONN_ID Idx )
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struct sockaddr_in new_addr;
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struct sockaddr_in new_addr;
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struct in_addr inaddr;
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struct in_addr inaddr;
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INT new_sock;
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INT new_sock;
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CLIENT *c;
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assert( Server >= 0 );
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assert( Server >= 0 );
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assert( Idx >= 0 );
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assert( Idx >= 0 );
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@ -954,13 +967,15 @@ LOCAL VOID New_Server( INT Server, CONN_ID Idx )
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}
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}
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/* Client-Struktur initialisieren */
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/* Client-Struktur initialisieren */
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if( ! Client_NewLocal( Idx, inet_ntoa( new_addr.sin_addr )))
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c = Client_NewLocal( Idx, inet_ntoa( new_addr.sin_addr ));
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if( ! c )
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{
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{
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close( new_sock );
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close( new_sock );
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Init_Conn_Struct( Idx );
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Init_Conn_Struct( Idx );
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Log( LOG_ALERT, "Can't establish connection: can't create client structure!" );
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Log( LOG_ALERT, "Can't establish connection: can't create client structure!" );
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return;
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return;
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}
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}
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c->type = CLIENT_UNKNOWNSERVER;
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/* Verbindung registrieren */
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/* Verbindung registrieren */
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My_Connections[Idx].sock = new_sock;
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My_Connections[Idx].sock = new_sock;
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@ -970,6 +985,10 @@ LOCAL VOID New_Server( INT Server, CONN_ID Idx )
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/* Neuen Socket registrieren */
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/* Neuen Socket registrieren */
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FD_SET( new_sock, &My_Sockets );
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FD_SET( new_sock, &My_Sockets );
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if( new_sock > My_Max_Fd ) My_Max_Fd = new_sock;
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if( new_sock > My_Max_Fd ) My_Max_Fd = new_sock;
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/* PASS und SERVER verschicken */
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Conn_WriteStr( Idx, "PASS %s "PROTOVER""PROTOSUFFIX" IRC|"PACKAGE"-"VERSION" P", Conf_Server[Server].pwd );
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Conn_WriteStr( Idx, "SERVER %s :%s", Conf_ServerName, Conf_ServerInfo );
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} /* New_Server */
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} /* New_Server */
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@ -1209,9 +1228,10 @@ LOCAL VOID Read_Resolver_Result( INT r_fd )
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if( My_Connections[i].sock > NONE )
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if( My_Connections[i].sock > NONE )
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{
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{
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/* Eingehende Verbindung: Hostnamen setzen */
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/* Eingehende Verbindung: Hostnamen setzen */
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strcpy( My_Connections[i].host, result );
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c = Client_GetFromConn( i );
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c = Client_GetFromConn( i );
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if( c ) Client_SetHostname( c, result );
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assert( c != NULL );
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strcpy( My_Connections[i].host, result );
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Client_SetHostname( c, result );
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}
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}
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else
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else
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{
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{
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