reactos/rosapps/tests/lpc/creport.c

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/* $Id: creport.c,v 1.1 2004/10/21 04:58:59 sedwards Exp $
*
* reactos/apps/lpc/creport.c
*
* To be run in a real WNT 4.0 system to
* create an LPC named port.
*
* Use Russinovich' HandleEx to verify
* creport.exe owns the named LPC port
* you asked to create.
*/
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#define PROTO_LPC
#include <ddk/ntddk.h>
#include "dumpinfo.h"
#define LPC_CONNECT_FLAG1 0x00000001
#define LPC_CONNECT_FLAG2 0x00000010
#define LPC_CONNECT_FLAG3 0x00000100
#define LPC_CONNECT_FLAG4 0x00001000
#define LPC_CONNECT_FLAG5 0x00010000
NTSTATUS
(STDCALL * CreatePort)(
/*OUT PHANDLE PortHandle,*/
PVOID Buffer,
IN POBJECT_ATTRIBUTES PortAttributes OPTIONAL,
IN ACCESS_MASK DesiredAccess,
IN DWORD Unknown3,
IN ULONG Flags
);
NTSTATUS
(STDCALL * QueryObject)(
IN HANDLE ObjectHandle,
IN CINT ObjectInformationClass,
OUT PVOID ObjectInformation,
IN ULONG Length,
OUT PULONG ResultLength
);
NTSTATUS
(STDCALL * YieldExecution)(VOID);
#define BUF_SIZE 1024
#define MAXARG 5000000
VOID
TryCreatePort(char *port_name)
{
DWORD Status = 0;
HANDLE Port = 0;
int i;
UNICODE_STRING PortName;
OBJECT_ATTRIBUTES ObjectAttributes;
WORD Name [BUF_SIZE] = {0};
int dwx = 0;
char * port_name_save = port_name;
/*
* Convert the port's name to Unicode.
*/
for (
PortName.Length = 0;
( *port_name
&& (PortName.Length < BUF_SIZE)
);
)
{
Name[PortName.Length++] = (WORD) *port_name++;
}
Name[PortName.Length] = 0;
PortName.Length = PortName.Length * sizeof (WORD);
PortName.MaximumLength = PortName.Length + sizeof (WORD);
PortName.Buffer = (PWSTR) Name;
/*
* Prepare the port object attributes.
*/
ObjectAttributes.Length =
sizeof (OBJECT_ATTRIBUTES);
ObjectAttributes.RootDirectory =
NULL;
ObjectAttributes.ObjectName =
& PortName;
ObjectAttributes.Attributes =
0; //OBJ_CASE_INSENSITIVE --> STATUS_INVALID_PARAMETER ==> case sensitive!;
ObjectAttributes.SecurityDescriptor =
NULL;
ObjectAttributes.SecurityQualityOfService =
NULL;
/*
* Try to issue a connection request.
*/
Port = 0;
Status = CreatePort(
& Port,
& ObjectAttributes,
0, /* ACCESS_MASK? */
0, /* Unknown3 */
LPC_CONNECT_FLAG5
);
if (Status == STATUS_SUCCESS)
{
DumpInfo(
Name,
Status,
"created",
Port
);
/* Hot waiting */
for (dwx=0; dwx<MAXARG; ++dwx)
{
YieldExecution();
}
if (FALSE == CloseHandle(Port))
{
printf(
"Could not close the port handle %08X.\n",
Port
);
}
return;
}
printf(
"Creating port \"%s\" failed (Status = %08X).\n",
port_name_save,
Status
);
}
main( int argc, char * argv[] )
{
HINSTANCE ntdll;
if (argc != 2)
{
printf("WNT LPC Port Creator\n");
printf("Usage: %s [port_name]\n",argv[0]);
exit(EXIT_FAILURE);
}
printf("LoadLibrary(NTDLL)\n");
ntdll = LoadLibrary("NTDLL");
if (ntdll == NULL)
{
printf("Could not load NTDLL\n");
return EXIT_FAILURE;
}
printf("GetProcAddress(NTDLL.NtCreatePort)\n");
CreatePort = (VOID*) GetProcAddress(
ntdll,
"NtCreatePort"
);
if (CreatePort == NULL)
{
FreeLibrary(ntdll);
printf("Could not find NTDLL.NtCreatePort\n");
return EXIT_FAILURE;
}
printf("GetProcAddress(NTDLL.NtQueryObject)\n");
QueryObject = (VOID*) GetProcAddress(
ntdll,
"NtQueryObject"
);
if (QueryObject == NULL)
{
FreeLibrary(ntdll);
printf("Could not find NTDLL.NtQueryObject\n");
return EXIT_FAILURE;
}
printf("GetProcAddress(NTDLL.NtYieldExecution)\n");
YieldExecution = (VOID*) GetProcAddress(
ntdll,
"NtYieldExecution"
);
if (YieldExecution == NULL)
{
FreeLibrary(ntdll);
printf("Could not find NTDLL.NtYieldExecution\n");
return EXIT_FAILURE;
}
printf("TryCreatePort(%s)\n",argv[1]);
TryCreatePort(argv[1]);
printf("Done\n");
return EXIT_SUCCESS;
}
/* EOF */