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// loaddrv.c - Dynamic driver install/start/stop/remove
// original by Paula Tomlinson
#include <windows.h>
#include "loaddrv.h"
SC_HANDLE hSCMan = NULL;
DWORD LoadDriverInit(void) {
// connect to local service control manager
if ((hSCMan = OpenSCManager(NULL, NULL,
SC_MANAGER_ALL_ACCESS)) == NULL) {
return -1;
}
return OKAY;
}
void LoadDriverCleanup(void) {
if (hSCMan != NULL) CloseServiceHandle(hSCMan);
}
DWORD DriverInstall(LPSTR lpPath, LPSTR lpDriver) {
BOOL dwStatus = OKAY;
SC_HANDLE hService = NULL;
// add to service control manager's database
if ((hService = CreateService(hSCMan, lpDriver,
lpDriver, SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER,
SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, lpPath,
NULL, NULL, NULL, NULL, NULL)) == NULL)
{
dwStatus = GetLastError();
} else {
CloseServiceHandle(hService);
}
return dwStatus;
}
DWORD DriverStart(LPSTR lpDriver) {
BOOL dwStatus = OKAY;
SC_HANDLE hService = NULL;
// get a handle to the service
if ((hService = OpenService(hSCMan, lpDriver,
SERVICE_ALL_ACCESS)) != NULL)
{
// start the driver
if (!StartService(hService, 0, NULL))
dwStatus = GetLastError();
} else {
dwStatus = GetLastError();
}
if (hService != NULL) {
CloseServiceHandle(hService);
}
return dwStatus;
}
DWORD DriverStop(LPSTR lpDriver) {
BOOL dwStatus = OKAY;
SC_HANDLE hService = NULL;
SERVICE_STATUS serviceStatus;
// get a handle to the service
if ((hService = OpenService(hSCMan, lpDriver,
SERVICE_ALL_ACCESS)) != NULL)
{
// stop the driver
if (!ControlService(hService, SERVICE_CONTROL_STOP,
&serviceStatus))
dwStatus = GetLastError();
} else {
dwStatus = GetLastError();
}
if (hService != NULL) {
CloseServiceHandle(hService);
}
return dwStatus;
}
DWORD DriverRemove(LPSTR lpDriver) {
BOOL dwStatus = OKAY;
SC_HANDLE hService = NULL;
// get a handle to the service
if ((hService = OpenService(hSCMan, lpDriver,
SERVICE_ALL_ACCESS)) != NULL)
{
// remove the driver
if (!DeleteService(hService))
dwStatus = GetLastError();
} else {
dwStatus = GetLastError();
}
if (hService != NULL) {
CloseServiceHandle(hService);
}
return dwStatus;
}
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