static void send_alive(struct sockaddr *from, int fromlen, int length, int fd)
{
CARD32 sessionID;
CARD16 displayNumber;
struct display *d;
XdmcpHeader header;
CARD8 sendRunning;
CARD32 sendSessionID;
Debug("send <alive>\n");
if(XdmcpReadCARD16(&buffer, &displayNumber) && XdmcpReadCARD32(&buffer, &sessionID))
{
if(length == 6)
{
if(!(d = FindDisplayBySessionID(sessionID)))
d = FindDisplayByAddress((XdmcpNetaddr)from, fromlen, displayNumber);
sendRunning = 0;
sendSessionID = 0;
if(d && d->status == running)
{
if(d->sessionID == sessionID)
sendRunning = 1;
sendSessionID = d->sessionID;
}
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)ALIVE;
header.length = 5;
Debug("<alive>: %d %ld\n", sendRunning, (long)sendSessionID);
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteCARD8(&buffer, sendRunning);
XdmcpWriteCARD32(&buffer, sendSessionID);
XdmcpFlush(fd, &buffer, (XdmcpNetaddr)from, fromlen);
}
}
}
static void
send_request_msg(void)
{
XdmcpHeader header;
int length;
int i;
CARD16 XdmcpConnectionType;
ARRAY8 authenticationData;
int socketfd = xdmcpSocket;
switch (SOCKADDR_FAMILY(ManagerAddress)) {
case AF_INET:
XdmcpConnectionType = FamilyInternet;
break;
#if defined(IPv6) && defined(AF_INET6)
case AF_INET6:
XdmcpConnectionType = FamilyInternet6;
break;
#endif
default:
XdmcpConnectionType = 0xffff;
break;
}
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16) REQUEST;
length = 2; /* display number */
length += 1 + 2 * ConnectionTypes.length; /* connection types */
length += 1; /* connection addresses */
for (i = 0; i < ConnectionAddresses.length; i++)
length += 2 + ConnectionAddresses.data[i].length;
authenticationData.length = 0;
authenticationData.data = 0;
if (AuthenticationFuncs) {
(*AuthenticationFuncs->Generator) (AuthenticationData,
&authenticationData, REQUEST);
}
length += 2 + AuthenticationName->length; /* authentication name */
length += 2 + authenticationData.length; /* authentication data */
length += 1; /* authorization names */
for (i = 0; i < AuthorizationNames.length; i++)
length += 2 + AuthorizationNames.data[i].length;
length += 2 + ManufacturerDisplayID.length; /* display ID */
header.length = length;
if (!XdmcpWriteHeader(&buffer, &header)) {
XdmcpDisposeARRAY8(&authenticationData);
return;
}
XdmcpWriteCARD16(&buffer, DisplayNumber);
XdmcpWriteCARD8(&buffer, ConnectionTypes.length);
/* The connection array is send reordered, so that connections of */
/* the same address type as the XDMCP manager connection are send */
/* first. This works around a bug in xdm. [email protected] */
for (i = 0; i < (int) ConnectionTypes.length; i++)
if (ConnectionTypes.data[i] == XdmcpConnectionType)
XdmcpWriteCARD16(&buffer, ConnectionTypes.data[i]);
for (i = 0; i < (int) ConnectionTypes.length; i++)
if (ConnectionTypes.data[i] != XdmcpConnectionType)
XdmcpWriteCARD16(&buffer, ConnectionTypes.data[i]);
XdmcpWriteCARD8(&buffer, ConnectionAddresses.length);
for (i = 0; i < (int) ConnectionAddresses.length; i++)
if ((i < ConnectionTypes.length) &&
(ConnectionTypes.data[i] == XdmcpConnectionType))
XdmcpWriteARRAY8(&buffer, &ConnectionAddresses.data[i]);
for (i = 0; i < (int) ConnectionAddresses.length; i++)
if ((i >= ConnectionTypes.length) ||
(ConnectionTypes.data[i] != XdmcpConnectionType))
XdmcpWriteARRAY8(&buffer, &ConnectionAddresses.data[i]);
XdmcpWriteARRAY8(&buffer, AuthenticationName);
XdmcpWriteARRAY8(&buffer, &authenticationData);
XdmcpDisposeARRAY8(&authenticationData);
XdmcpWriteARRAYofARRAY8(&buffer, &AuthorizationNames);
XdmcpWriteARRAY8(&buffer, &ManufacturerDisplayID);
#if defined(IPv6) && defined(AF_INET6)
if (SOCKADDR_FAMILY(req_sockaddr) == AF_INET6)
socketfd = xdmcpSocket6;
#endif
if (XdmcpFlush(socketfd, &buffer,
(XdmcpNetaddr) &req_sockaddr, req_socklen))
state = XDM_AWAIT_REQUEST_RESPONSE;
}
