void ProcessRequestSocket(int fd)
{
XdmcpHeader header;
#if defined(IPv6) && defined(AF_INET6)
struct sockaddr_storage addr;
#else
struct sockaddr addr;
#endif
int addrlen = sizeof(addr);
Debug("ProcessRequestSocket\n");
bzero((char *)&addr, sizeof(addr));
if(!XdmcpFill(fd, &buffer, (XdmcpNetaddr)&addr, &addrlen))
{
Debug("XdmcpFill failed\n");
return;
}
if(!XdmcpReadHeader(&buffer, &header))
{
Debug("XdmcpReadHeader failed\n");
return;
}
if(header.version != XDM_PROTOCOL_VERSION)
{
Debug("XDMCP header version read was %d, expected %d\n", header.version, XDM_PROTOCOL_VERSION);
return;
}
Debug("header: %d %d %d\n", header.version, header.opcode, header.length);
switch(header.opcode)
{
case BROADCAST_QUERY:
broadcast_respond((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
case QUERY:
query_respond((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
case INDIRECT_QUERY:
indirect_respond((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
case FORWARD_QUERY:
forward_respond((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
case REQUEST:
request_respond((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
case MANAGE:
manage((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
case KEEPALIVE:
send_alive((struct sockaddr *)&addr, addrlen, header.length, fd);
break;
}
}
static void
receive_packet(int socketfd)
{
#if defined(IPv6) && defined(AF_INET6)
struct sockaddr_storage from;
#else
struct sockaddr_in from;
#endif
int fromlen = sizeof(from);
XdmcpHeader header;
/* read message off socket */
if (!XdmcpFill(socketfd, &buffer, (XdmcpNetaddr) &from, &fromlen))
return;
/* reset retransmission backoff */
timeOutRtx = 0;
if (!XdmcpReadHeader(&buffer, &header))
return;
if (header.version != XDM_PROTOCOL_VERSION)
return;
switch (header.opcode) {
case WILLING:
recv_willing_msg((struct sockaddr *) &from, fromlen, header.length);
break;
case UNWILLING:
XdmcpFatal("Manager unwilling", &UnwillingMessage);
break;
case ACCEPT:
recv_accept_msg(header.length);
break;
case DECLINE:
recv_decline_msg(header.length);
break;
case REFUSE:
recv_refuse_msg(header.length);
break;
case FAILED:
recv_failed_msg(header.length);
break;
case ALIVE:
recv_alive_msg(header.length);
break;
}
}