void IFSEXPORT
FS_EXIT(
unsigned short uid,
unsigned short pid,
unsigned short pdb
)
{
if (pidDaemon && (pid == pidDaemon))
daemonStopped();
}
QmlBackend::QmlBackend(ControlClient *controlClient, QObject *parent) :
QObject(parent), _controlClient(controlClient), _daemonActive(false), _daemonRunning(false)
{
connect(_controlClient, SIGNAL(activeChanged(bool)), this, SLOT(daemonActiveChanged(bool)));
connect(_controlClient, SIGNAL(started()), this, SLOT(daemonStarted()));
connect(_controlClient, SIGNAL(stopped()), this, SLOT(daemonStopped()));
connect(_controlClient, SIGNAL(matchPhraseChanged(const QString &)), this, SLOT(matchPhraseChanged(const QString &)));
_initDaemonState();
}
int IFSEXPORT
FS_FSCTL(
union argdat far * pArgDat,
unsigned short iArgType,
unsigned short usFunc,
char far * pParm,
unsigned short cbMaxParm,
unsigned short far * pcbParm,
char far * pData,
unsigned short cbMaxData,
unsigned short far * pcbData
)
{
int rc;
struct fsctl far * p = &pRequest->data.fsctl;
/* Validate iArgType. */
if ((iArgType != FSCTL_ARG_FILEINSTANCE) &&
(iArgType != FSCTL_ARG_CURDIR) &&
(iArgType != FSCTL_ARG_NULL))
return ERROR_NOT_SUPPORTED;
/* Validate the parameter buffer. */
if (cbMaxParm) {
rc = FSH_PROBEBUF(PB_OPREAD, (char far *) pcbParm,
sizeof(USHORT));
if (rc) return ERROR_INVALID_PARAMETER;
if (*pcbParm > cbMaxParm) return ERROR_INVALID_PARAMETER;
if (*pcbParm) {
rc = FSH_PROBEBUF(PB_OPREAD, pParm, *pcbParm);
if (rc) return ERROR_INVALID_PARAMETER;
}
}
switch (usFunc) {
case FSCTL_STUBFSD_DAEMON_STARTED: /* daemon started */
if (pidDaemon) return ERROR_STUBFSD_DAEMON_RUNNING;
if (*pcbParm != sizeof(SETXCHGBUFFERS))
return ERROR_INVALID_PARAMETER;
return daemonStarted((PSETXCHGBUFFERS) pParm);
case FSCTL_STUBFSD_DAEMON_STOPPED: /* daemon stopped */
if (!pidDaemon)
return ERROR_STUBFSD_DAEMON_NOT_RUN;
if (queryCurrentPid() != pidDaemon)
return ERROR_STUBFSD_NOT_DAEMON;
return daemonStopped();
case FSCTL_STUBFSD_RESET: /* forcibly detach daemon */
return daemonStopped();
case FSCTL_STUBFSD_GET_REQUEST: /* wait for next request */
if (queryCurrentPid() != pidDaemon)
return ERROR_STUBFSD_NOT_DAEMON;
rc = FSH_SEMWAIT(&semRqAvail, TO_INFINITE);
if (rc) return rc;
rc = FSH_SEMSET(&semRqAvail);
if (rc) return rc;
return NO_ERROR;
case FSCTL_STUBFSD_DONE_REQUEST: /* signal request done */
if (queryCurrentPid() != pidDaemon)
return ERROR_STUBFSD_NOT_DAEMON;
rc = FSH_SEMCLEAR(&semRqDone);
if (rc) return rc;
return NO_ERROR;
default: /* unknown FSCTL, send to daemon */
if (rc = requestExchangeXS()) return rc;
pRequest->rq = FSRQ_FSCTL;
p->iArgType = iArgType;
p->usFunc = usFunc;
p->cbParm = cbMaxParm ? *pcbParm : 0;
p->cbMaxData = cbMaxData;
p->cbData = 0;
if (cbMaxParm) memcpy(pFSData, pParm, *pcbParm);
if (rc = signalDaemonAndWait()) RELEASE_AND_EXIT(rc);
if (p->cbData) {
rc = FSH_PROBEBUF(PB_OPWRITE, (char far *) pcbData,
sizeof(USHORT));
if (rc) RELEASE_AND_EXIT(ERROR_INVALID_PARAMETER);
*pcbData = p->cbData;
if (!pRequest->rc) {
if (*pcbData > cbMaxData)
RELEASE_AND_EXIT(ERROR_INVALID_PARAMETER);
if (*pcbData) {
rc = FSH_PROBEBUF(PB_OPWRITE, pData, *pcbData);
if (rc) RELEASE_AND_EXIT(ERROR_INVALID_PARAMETER);
memcpy(pData, pFSData, *pcbData);
}
}
}
RELEASE_AND_EXIT(pRequest->rc);
}
}
