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_refuse(struct sockaddr *from, int fromlen, CARD32 sessionID, int fd)
{
XdmcpHeader header;
Debug("send <refuse> %ld\n", (long)sessionID);
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)REFUSE;
header.length = 4;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteCARD32(&buffer, sessionID);
XdmcpFlush(fd, &buffer, (XdmcpNetaddr)from, fromlen);
}
static void send_failed(struct sockaddr *from, int fromlen, const char *name, CARD32 sessionID, const char *reason, int fd)
{
char buf[360];
XdmcpHeader header;
ARRAY8 status;
sprintf(buf, "Session %ld failed for display %.260s: %s", (long)sessionID, name, reason);
Debug("send_failed(%\"s)\n", buf);
status.length = strlen(buf);
status.data = (CARD8Ptr)buf;
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)FAILED;
header.length = 6 + status.length;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteCARD32(&buffer, sessionID);
XdmcpWriteARRAY8(&buffer, &status);
XdmcpFlush(fd, &buffer, (XdmcpNetaddr)from, fromlen);
}
static void
send_keepalive_msg(void)
{
XdmcpHeader header;
int socketfd = xdmcpSocket;
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16) KEEPALIVE;
header.length = 6;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteCARD16(&buffer, DisplayNumber);
XdmcpWriteCARD32(&buffer, SessionID);
state = XDM_AWAIT_ALIVE_RESPONSE;
#if defined(IPv6) && defined(AF_INET6)
if (SOCKADDR_FAMILY(req_sockaddr) == AF_INET6)
socketfd = xdmcpSocket6;
#endif
XdmcpFlush(socketfd, &buffer, (XdmcpNetaddr) &req_sockaddr, req_socklen);
}
static void send_accept(struct sockaddr *to, int tolen, CARD32 sessionID, ARRAY8Ptr authenticationName, ARRAY8Ptr authenticationData,
ARRAY8Ptr authorizationName, ARRAY8Ptr authorizationData, int fd)
{
XdmcpHeader header;
Debug("<accept> session ID %ld\n", (long)sessionID);
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)ACCEPT;
header.length = 4; /* session ID */
header.length += 2 + authenticationName->length;
header.length += 2 + authenticationData->length;
header.length += 2 + authorizationName->length;
header.length += 2 + authorizationData->length;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteCARD32(&buffer, sessionID);
XdmcpWriteARRAY8(&buffer, authenticationName);
XdmcpWriteARRAY8(&buffer, authenticationData);
XdmcpWriteARRAY8(&buffer, authorizationName);
XdmcpWriteARRAY8(&buffer, authorizationData);
XdmcpFlush(fd, &buffer, (XdmcpNetaddr)to, tolen);
}
static void
send_manage_msg(void)
{
XdmcpHeader header;
int socketfd = xdmcpSocket;
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16) MANAGE;
header.length = 8 + DisplayClass.length;
if (!XdmcpWriteHeader(&buffer, &header))
return;
XdmcpWriteCARD32(&buffer, SessionID);
XdmcpWriteCARD16(&buffer, DisplayNumber);
XdmcpWriteARRAY8(&buffer, &DisplayClass);
state = XDM_AWAIT_MANAGE_RESPONSE;
#if defined(IPv6) && defined(AF_INET6)
if (SOCKADDR_FAMILY(req_sockaddr) == AF_INET6)
socketfd = xdmcpSocket6;
#endif
XdmcpFlush(socketfd, &buffer, (XdmcpNetaddr) &req_sockaddr, req_socklen);
}
