Sweden-Number/programs/net/net.c

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/*
* Copyright 2007 Tim Schwartz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <string.h>
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#include <windows.h>
#define NET_START 0001
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#define NET_STOP 0002
static BOOL StopService(SC_HANDLE SCManager, SC_HANDLE serviceHandle)
{
LPENUM_SERVICE_STATUS dependencies = NULL;
DWORD buffer_size = 0;
DWORD count = 0, counter;
BOOL result;
SC_HANDLE dependent_serviceHandle;
SERVICE_STATUS_PROCESS ssp;
result = EnumDependentServices(serviceHandle, SERVICE_ACTIVE, dependencies, buffer_size, &buffer_size, &count);
if(!result && (GetLastError() == ERROR_MORE_DATA))
{
dependencies = HeapAlloc(GetProcessHeap(), 0, buffer_size);
if(EnumDependentServices(serviceHandle, SERVICE_ACTIVE, dependencies, buffer_size, &buffer_size, &count))
{
for(counter = 0; counter < count; counter++)
{
printf("Stopping dependent service: %s\n", dependencies[counter].lpDisplayName);
dependent_serviceHandle = OpenService(SCManager, dependencies[counter].lpServiceName, SC_MANAGER_ALL_ACCESS);
if(dependent_serviceHandle) result = StopService(SCManager, dependent_serviceHandle);
CloseServiceHandle(dependent_serviceHandle);
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if(!result) printf("Could not stop service %s\n", dependencies[counter].lpDisplayName);
}
}
}
if(result) result = ControlService(serviceHandle, SERVICE_CONTROL_STOP, (LPSERVICE_STATUS)&ssp);
HeapFree(GetProcessHeap(), 0, dependencies);
return result;
}
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static BOOL net_service(int operation, char *service_name)
{
SC_HANDLE SCManager, serviceHandle;
BOOL result = 0;
char service_display_name[4096];
DWORD buffer_size = sizeof(service_display_name);
SCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if(!SCManager)
{
printf("Couldn't get handle to SCManager.\n");
return FALSE;
}
serviceHandle = OpenService(SCManager, service_name, SC_MANAGER_ALL_ACCESS);
if(!serviceHandle)
{
printf("Couldn't get handle to service.\n");
CloseServiceHandle(SCManager);
return FALSE;
}
GetServiceDisplayName(SCManager, service_name, service_display_name, &buffer_size);
if (!service_display_name[0]) strcpy(service_display_name, service_name);
switch(operation)
{
case NET_START:
printf("The %s service is starting.\n", service_display_name);
result = StartService(serviceHandle, 0, NULL);
printf("The %s service ", service_display_name);
if(!result) printf("failed to start.\n");
else printf("was started successfully.\n");
break;
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case NET_STOP:
printf("The %s service is stopping.\n", service_display_name);
result = StopService(SCManager, serviceHandle);
printf("The %s service ", service_display_name);
if(!result) printf("failed to stop.\n");
else printf("was stopped successfully.\n");
break;
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}
CloseServiceHandle(serviceHandle);
CloseServiceHandle(SCManager);
return result;
}
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int main(int argc, char *argv[])
{
if (argc < 2)
{
printf("The syntax of this command is:\n\n");
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printf("NET [ HELP | START | STOP ]\n");
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return 1;
}
if(!strcasecmp(argv[1], "help"))
{
printf("The syntax of this command is:\n\n");
printf("NET HELP command\n -or-\nNET command /HELP\n\n");
printf(" Commands available are:\n");
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printf(" NET HELP NET START NET STOP\n");
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}
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if(!strcasecmp(argv[1], "start"))
{
if(argc < 3)
{
printf("Specify service name to start.\n");
return 1;
}
if(!net_service(NET_START, argv[2]))
{
return 1;
}
return 0;
}
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if(!strcasecmp(argv[1], "stop"))
{
if(argc < 3)
{
printf("Specify service name to stop.\n");
return 1;
}
if(!net_service(NET_STOP, argv[2]))
{
return 1;
}
return 0;
}
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return 0;
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}