windows-nt/Source/XPSP1/NT/base/ntos/config/test/rtdmpval.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
rtdmpval.c
Abstract:
NT level registry api test program, basic non-error paths.
dump a key's value entry (field)
rtdmpval <KeyPath> <value entry name>
Example:
rtdmpval \REGISTRY\MACHINE\TEST\bigkey first_value_field
Author:
John Vert (jvert) 25-Mar-1993 (written expressly for reading JimK's
supersecret file)
Revision History:
--*/
#include "cmp.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define WORK_SIZE 1024
void __cdecl main(int, char *);
void processargs();
void
Delete(
HANDLE Handle
);
UNICODE_STRING WorkName;
WCHAR workbuffer[WORK_SIZE];
UNICODE_STRING ValueName;
WCHAR valuebuffer[WORK_SIZE];
void
__cdecl main(
int argc,
char *argv[]
)
{
NTSTATUS status;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE BaseHandle;
KEY_VALUE_PARTIAL_INFORMATION PartialInfo;
PKEY_VALUE_PARTIAL_INFORMATION pInfo;
ULONG i;
ULONG Count;
//
// Process args
//
WorkName.MaximumLength = WORK_SIZE;
WorkName.Length = 0L;
WorkName.Buffer = &(workbuffer[0]);
ValueName.MaximumLength = WORK_SIZE;
ValueName.Length = 0L;
ValueName.Buffer = &(valuebuffer[0]);
processargs(argc, argv);
//
// Set up and open KeyPath
//
printf("rtdmpval: starting\n");
InitializeObjectAttributes(
&ObjectAttributes,
&WorkName,
0,
(HANDLE)NULL,
NULL
);
ObjectAttributes.Attributes |= OBJ_CASE_INSENSITIVE;
status = NtOpenKey(
&BaseHandle,
KEY_READ,
&ObjectAttributes
);
if (!NT_SUCCESS(status)) {
printf("rtdmpval: t0: %08lx\n", status);
exit(1);
}
status = NtQueryValueKey(BaseHandle,
&ValueName,
KeyValuePartialInformation,
&PartialInfo,
sizeof(PartialInfo),
&Count);
pInfo=malloc(PartialInfo.DataLength+sizeof(PartialInfo));
status = NtQueryValueKey(BaseHandle,
&ValueName,
KeyValuePartialInformation,
pInfo,
PartialInfo.DataLength+sizeof(PartialInfo),
&Count);
if (!NT_SUCCESS(status)) {
printf("rtdmpval: t2: %08lx\n", status);
exit(1);
}
for (i=0; i<PartialInfo.DataLength; i++) {
printf("%c",pInfo->Data[i]);
}
free(pInfo);
NtClose(BaseHandle);
exit(0);
}
void
processargs(
int argc,
char *argv[]
)
{
ANSI_STRING temp;
if ( (argc != 3) )
{
printf("Usage: %s <KeyPath> <value entry name>\n",
argv[0]);
exit(1);
}
RtlInitAnsiString(
&temp,
argv[1]
);
RtlAnsiStringToUnicodeString(
&WorkName,
&temp,
TRUE
);
RtlInitAnsiString(
&temp,
argv[2]
);
RtlAnsiStringToUnicodeString(
&ValueName,
&temp,
TRUE
);
return;
}