static void
LoadResources( CfgArr *conf )
{
char **vptr, **pptr, *cptr;
long *iptr, i, id, nu, j, nptr, nint, nchr;
if (conf->data)
free( conf->data );
conf->numCfgEnt = GRecvInt();
nptr = GRecvInt();
nint = GRecvInt();
nchr = GRecvInt();
if (!(conf->data = Malloc( conf->numCfgEnt *
(sizeof(long) +
sizeof(char *)) +
nptr * sizeof(char *) +
nint * sizeof(long) +
nchr )))
{
CloseGetter();
return;
}
vptr = (char **)conf->data;
pptr = vptr + conf->numCfgEnt;
conf->idx = (long *)(pptr + nptr);
iptr = conf->idx + conf->numCfgEnt;
cptr = (char *)(iptr + nint);
for (i = 0; i < conf->numCfgEnt; i++) {
id = GRecvInt();
conf->idx[i] = id;
switch (id & C_TYPE_MASK) {
case C_TYPE_INT:
vptr[i] = (char *)((unsigned long)GRecvInt());
break;
case C_TYPE_STR:
vptr[i] = cptr;
cptr += GRecvStrBuf( cptr );
break;
case C_TYPE_ARGV:
nu = GRecvInt();
vptr[i] = (char *)pptr;
for (j = 0; j < nu; j++) {
*pptr++ = cptr;
cptr += GRecvStrBuf( cptr );
}
*pptr++ = (char *)0;
break;
default:
LogError( "Config reader supplied unknown data type in id %#x\n",
id );
break;
}
}
}
static int
GetDeps()
{
int ncf, i, dep, ret;
CfgFile *cf;
OpenGetter();
GSendInt( GC_Files );
ncf = GRecvInt();
if (!(cf = Malloc( ncf * sizeof(*cf) ))) {
CloseGetter();
return 0;
}
for (i = 0; i < ncf; i++) {
cf[i].name = newStr( GRecvStr() );
if ((dep = cf[i].depidx = GRecvInt()) != -1)
cf[i].deptime = mTime( cf[dep].name->str );
}
if (cfgFiles) {
for (i = 0; i < numCfgFiles; i++)
delStr( cfgFiles[i].name );
free( cfgFiles );
}
ret = 1;
cfgFiles = cf;
numCfgFiles = ncf;
for (i = 0; i < as(cfgMapT); i++) {
GSendInt( cfgMapT[i] );
if ((cfgMap[i] = GRecvInt()) < 0) {
LogError( "Config reader does not support config cathegory %#x\n",
cfgMapT[i] );
ret = 0;
}
}
GSendInt( -1 );
return ret;
}
static void manage(struct sockaddr *from, int fromlen, int length, int fd)
{
CARD32 sessionID;
CARD16 displayNumber;
ARRAY8 displayClass;
int expectlen;
struct protoDisplay *pdpy;
struct display *d;
char *name = NULL;
char *class2 = NULL;
XdmcpNetaddr from_save;
ARRAY8 clientAddress, clientPort;
CARD16 connectionType;
Debug("<manage> %d\n", length);
displayClass.data = 0;
displayClass.length = 0;
if(XdmcpReadCARD32(&buffer, &sessionID) && XdmcpReadCARD16(&buffer, &displayNumber) && XdmcpReadARRAY8(&buffer, &displayClass))
{
expectlen = 4 + /* session ID */
2 + /* displayNumber */
2 + displayClass.length; /* displayClass */
if(expectlen != length)
{
Debug("<manage> length error got %d expect %d\n", length, expectlen);
goto abort;
}
pdpy = FindProtoDisplay((XdmcpNetaddr)from, fromlen, displayNumber);
Debug("<manage> session ID %ld, pdpy %p\n", (long)sessionID, pdpy);
if(!pdpy || pdpy->sessionID != sessionID)
{
/*
* We may have already started a session for this display
* but it hasn't seen the response in the form of an
* XOpenDisplay() yet. So check if it is in the list of active
* displays, and if so check that the session id's match.
* If all this is true, then we have a duplicate request that
* can be ignored.
*/
if(!pdpy && (d = FindDisplayByAddress((XdmcpNetaddr)from, fromlen, displayNumber)) && d->sessionID == sessionID)
{
Debug("manage: got duplicate pkt, ignoring\n");
goto abort;
}
Debug("session ID %ld refused\n", (long)sessionID);
if(pdpy)
Debug("existing session ID %ld\n", (long)pdpy->sessionID);
send_refuse(from, fromlen, sessionID, fd);
}
else
{
name = NetworkAddressToName(pdpy->connectionType, &pdpy->connectionAddress, from, pdpy->displayNumber);
if(!name)
{
Debug("could not compute display name\n");
send_failed(from, fromlen, "(no name)", sessionID, "out of memory", fd);
goto abort;
}
Debug("computed display name: %s\n", name);
if((d = FindDisplayByName(name)))
{
Debug("terminating active session for %s\n", d->name);
StopDisplay(d);
}
if(displayClass.length)
{
if(!StrNDup(&class2, (char *)displayClass.data, displayClass.length))
{
send_failed(from, fromlen, name, sessionID, "out of memory", fd);
goto abort;
}
}
if(!(from_save = (XdmcpNetaddr)Malloc(fromlen)))
{
send_failed(from, fromlen, name, sessionID, "out of memory", fd);
goto abort;
}
memmove(from_save, from, fromlen);
if(!(d = NewDisplay(name)))
{
free((char *)from_save);
send_failed(from, fromlen, name, sessionID, "out of memory", fd);
goto abort;
}
d->class2 = class2;
class2 = 0;
d->displayType = dForeign | dTransient | dFromXDMCP;
d->sessionID = pdpy->sessionID;
d->from.data = (unsigned char *)from_save;
d->from.length = fromlen;
d->displayNumber = pdpy->displayNumber;
ClientAddress(from, &clientAddress, &clientPort, &connectionType);
d->useChooser = 0;
d->xdmcpFd = fd;
if(IsIndirectClient(&clientAddress, connectionType))
{
Debug("IsIndirectClient\n");
ForgetIndirectClient(&clientAddress, connectionType);
if(UseChooser(&clientAddress, connectionType))
{
d->useChooser = 1;
Debug("use chooser for %s\n", d->name);
}
}
d->clientAddr = clientAddress;
d->connectionType = connectionType;
d->remoteHost = NetworkAddressToHostname(pdpy->connectionType, &pdpy->connectionAddress);
XdmcpDisposeARRAY8(&clientPort);
if(pdpy->fileAuthorization)
{
d->authorizations = (Xauth **)Malloc(sizeof(Xauth *));
if(!d->authorizations)
{
free((char *)from_save);
free((char *)d);
send_failed(from, fromlen, name, sessionID, "out of memory", fd);
goto abort;
}
d->authorizations[0] = pdpy->fileAuthorization;
d->authNum = 1;
pdpy->fileAuthorization = 0;
}
DisposeProtoDisplay(pdpy);
Debug("starting display %s,%s\n", d->name, d->class2);
if(LoadDisplayResources(d) < 0)
{
LogError(
"Unable to read configuration for display %s; "
"stopping it.\n",
d->name);
StopDisplay(d);
}
else
StartDisplay(d);
CloseGetter();
}
}
abort:
XdmcpDisposeARRAY8(&displayClass);
if(name)
free((char *)name);
if(class2)
free((char *)class2);
}
