static void send_unwilling(struct sockaddr *from, int fromlen, ARRAY8Ptr authenticationName, ARRAY8Ptr status, int fd)
{
XdmcpHeader header;
Debug("send <unwilling> %.*s %.*s\n", authenticationName->length, authenticationName->data, status->length, status->data);
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)UNWILLING;
header.length = 4 + Hostname.length + status->length;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteARRAY8(&buffer, &Hostname);
XdmcpWriteARRAY8(&buffer, status);
XdmcpFlush(fd, &buffer, (XdmcpNetaddr)from, fromlen);
}
static void indirect_respond(struct sockaddr *from, int fromlen, int length, int fd)
{
ARRAYofARRAY8 queryAuthenticationNames;
ARRAY8 clientAddress;
ARRAY8 clientPort;
CARD16 connectionType;
int expectedLen;
int i;
XdmcpHeader header;
int localHostAsWell;
Debug("<indirect> respond %d\n", length);
if(!XdmcpReadARRAYofARRAY8(&buffer, &queryAuthenticationNames))
return;
expectedLen = 1;
for(i = 0; i < (int)queryAuthenticationNames.length; i++)
expectedLen += 2 + queryAuthenticationNames.data[i].length;
if(length == expectedLen)
{
ClientAddress(from, &clientAddress, &clientPort, &connectionType);
/*
* set up the forward query packet
*/
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)FORWARD_QUERY;
header.length = 0;
header.length += 2 + clientAddress.length;
header.length += 2 + clientPort.length;
header.length += 1;
for(i = 0; i < (int)queryAuthenticationNames.length; i++)
header.length += 2 + queryAuthenticationNames.data[i].length;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteARRAY8(&buffer, &clientAddress);
XdmcpWriteARRAY8(&buffer, &clientPort);
XdmcpWriteARRAYofARRAY8(&buffer, &queryAuthenticationNames);
localHostAsWell = ForEachMatchingIndirectHost(&clientAddress, connectionType, sendForward, (char *)fd);
XdmcpDisposeARRAY8(&clientAddress);
XdmcpDisposeARRAY8(&clientPort);
if(localHostAsWell)
all_query_respond(from, fromlen, &queryAuthenticationNames, INDIRECT_QUERY, fd);
}
else
Debug("<indirect> length error got %d expect %d\n", length, expectedLen);
XdmcpDisposeARRAYofARRAY8(&queryAuthenticationNames);
}
static void send_decline(struct sockaddr *to, int tolen, ARRAY8Ptr authenticationName, ARRAY8Ptr authenticationData, ARRAY8Ptr status, int fd)
{
XdmcpHeader header;
Debug("<decline> %.*s\n", status->length, status->data);
header.version = XDM_PROTOCOL_VERSION;
header.opcode = (CARD16)DECLINE;
header.length = 0;
header.length += 2 + status->length;
header.length += 2 + authenticationName->length;
header.length += 2 + authenticationData->length;
XdmcpWriteHeader(&buffer, &header);
XdmcpWriteARRAY8(&buffer, status);
XdmcpWriteARRAY8(&buffer, authenticationName);
XdmcpWriteARRAY8(&buffer, authenticationData);
XdmcpFlush(fd, &buffer, (XdmcpNetaddr)to, tolen);
}
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_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_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);
}
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;
}
