void
__cdecl main(
int argc,
char *argv[]
)
{
NTSTATUS status;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE BaseHandle;
HANDLE WorkHandle;
ULONG Disposition;
UNICODE_STRING ClassName;
ULONG i;
ULONG j;
PUCHAR p;
//
// Process args
//
processargs(argc, argv);
//
// Set up and create/open KeyPath|KeyName
//
printf("rtvbatcr: starting\n");
WorkName.MaximumLength = WORK_SIZE;
WorkName.Length = 0L;
WorkName.Buffer = &(workbuffer[0]);
RtlCopyString((PSTRING)&WorkName, (PSTRING)&KeyPath);
p = WorkName.Buffer;
p += WorkName.Length;
*p = '\\';
p++;
*p = '\0';
WorkName.Length += 2;
RtlAppendStringToString((PSTRING)&WorkName, (PSTRING)&KeyName);
RtlInitUnicodeString(
&ClassName,
L"Test Class Name"
);
InitializeObjectAttributes(
&ObjectAttributes,
&WorkName,
0,
(HANDLE)NULL,
NULL
);
ObjectAttributes.Attributes |= OBJ_CASE_INSENSITIVE;
status = NtCreateKey(
&BaseHandle,
MAXIMUM_ALLOWED,
&ObjectAttributes,
0,
&ClassName,
REG_OPTION_VOLATILE,
&Disposition
);
if (!NT_SUCCESS(status)) {
printf("rtvbatcr: t0: %08lx\n", status);
failure++;
goto punt;
}
//
// Create NumberChildren subkeys
//
for (i = 0; i < NumberChildren; i++) {
sprintf(formatbuffer, "%s%d", BaseName, i);
RtlInitString(&format, formatbuffer);
RtlAnsiStringToUnicodeString(&WorkName, &format, FALSE);
InitializeObjectAttributes(
&ObjectAttributes,
&WorkName,
0,
BaseHandle,
NULL
);
ObjectAttributes.Attributes |= OBJ_CASE_INSENSITIVE;
status = NtCreateKey(
&WorkHandle,
MAXIMUM_ALLOWED,
&ObjectAttributes,
0,
&ClassName,
REG_OPTION_VOLATILE,
&Disposition
);
if (!NT_SUCCESS(status)) {
printf("rtvbatcr: t1: status = %08lx i = %d\n", status, i);
failure++;
}
//
// Create NumberValues value entries for each (current) key
//
for (j = 0; j < NumberValues; j++) {
sprintf(formatbuffer, "%s%d", BaseName, j);
RtlInitString(&format, formatbuffer);
RtlAnsiStringToUnicodeString(&WorkName, &format, FALSE);
sprintf(
formatbuffer, "This is a rtvbatcr value for %s%d", BaseName, j
);
status = NtSetValueKey(
WorkHandle,
&WorkName,
j,
j,
formatbuffer,
strlen(formatbuffer)+1
);
if (!NT_SUCCESS(status)) {
printf("rtvbatcr: t2: status = %08lx j = %d\n", status, j);
failure++;
}
}
NtClose(WorkHandle);
}
punt:
printf("rtvbatcr: %d failures\n", failure);
exit(failure);
}
NTSTATUS
NTAPI
INIT_FUNCTION
IopReassignSystemRoot(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
OUT PANSI_STRING NtBootPath)
{
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
CHAR Buffer[256], AnsiBuffer[256];
WCHAR ArcNameBuffer[64];
ANSI_STRING TargetString, ArcString, TempString;
UNICODE_STRING LinkName, TargetName, ArcName;
HANDLE LinkHandle;
/* Create the Unicode name for the current ARC boot device */
sprintf(Buffer, "\\ArcName\\%s", LoaderBlock->ArcBootDeviceName);
RtlInitAnsiString(&TargetString, Buffer);
Status = RtlAnsiStringToUnicodeString(&TargetName, &TargetString, TRUE);
if (!NT_SUCCESS(Status)) return FALSE;
/* Initialize the attributes and open the link */
InitializeObjectAttributes(&ObjectAttributes,
&TargetName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject(&LinkHandle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
/* We failed, free the string */
RtlFreeUnicodeString(&TargetName);
return FALSE;
}
/* Query the current \\SystemRoot */
ArcName.Buffer = ArcNameBuffer;
ArcName.Length = 0;
ArcName.MaximumLength = sizeof(ArcNameBuffer);
Status = NtQuerySymbolicLinkObject(LinkHandle, &ArcName, NULL);
if (!NT_SUCCESS(Status))
{
/* We failed, free the string */
RtlFreeUnicodeString(&TargetName);
return FALSE;
}
/* Convert it to Ansi */
ArcString.Buffer = AnsiBuffer;
ArcString.Length = 0;
ArcString.MaximumLength = sizeof(AnsiBuffer);
Status = RtlUnicodeStringToAnsiString(&ArcString, &ArcName, FALSE);
AnsiBuffer[ArcString.Length] = ANSI_NULL;
/* Close the link handle and free the name */
ObCloseHandle(LinkHandle, KernelMode);
RtlFreeUnicodeString(&TargetName);
/* Setup the system root name again */
RtlInitAnsiString(&TempString, "\\SystemRoot");
Status = RtlAnsiStringToUnicodeString(&LinkName, &TempString, TRUE);
if (!NT_SUCCESS(Status)) return FALSE;
/* Open the symbolic link for it */
InitializeObjectAttributes(&ObjectAttributes,
&LinkName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject(&LinkHandle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status)) return FALSE;
/* Destroy it */
NtMakeTemporaryObject(LinkHandle);
ObCloseHandle(LinkHandle, KernelMode);
/* Now create the new name for it */
sprintf(Buffer, "%s%s", ArcString.Buffer, LoaderBlock->NtBootPathName);
/* Copy it into the passed parameter and null-terminate it */
RtlCopyString(NtBootPath, &ArcString);
Buffer[strlen(Buffer) - 1] = ANSI_NULL;
/* Setup the Unicode-name for the new symbolic link value */
RtlInitAnsiString(&TargetString, Buffer);
InitializeObjectAttributes(&ObjectAttributes,
&LinkName,
OBJ_CASE_INSENSITIVE | OBJ_PERMANENT,
NULL,
NULL);
Status = RtlAnsiStringToUnicodeString(&ArcName, &TargetString, TRUE);
if (!NT_SUCCESS(Status)) return FALSE;
/* Create it */
Status = NtCreateSymbolicLinkObject(&LinkHandle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes,
&ArcName);
/* Free all the strings and close the handle and return success */
RtlFreeUnicodeString(&ArcName);
RtlFreeUnicodeString(&LinkName);
ObCloseHandle(LinkHandle, KernelMode);
return TRUE;
}