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Implemented RtlCreateProcessParameters and related functions.

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This commit is contained in:
Alexandre Julliard 2003-10-04 03:11:57 +00:00
parent 16ffa577a9
commit 5e3549bf3b
4 changed files with 160 additions and 13 deletions
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147
dlls/ntdll/env.c
View file

@ -334,6 +334,153 @@ NTSTATUS WINAPI RtlExpandEnvironmentStrings_U(PWSTR renv, const UNICODE_STRING*
return (count) ? STATUS_SUCCESS : STATUS_BUFFER_TOO_SMALL;
}
static inline void normalize( void *base, WCHAR **ptr )
{
if (*ptr) *ptr = (WCHAR *)((char *)base + (UINT_PTR)*ptr);
}
/******************************************************************************
* RtlNormalizeProcessParams [NTDLL.@]
*/
PRTL_USER_PROCESS_PARAMETERS WINAPI RtlNormalizeProcessParams( RTL_USER_PROCESS_PARAMETERS *params )
{
if (params && !(params->Flags & PROCESS_PARAMS_FLAG_NORMALIZED))
{
normalize( params, &params->CurrentDirectoryName.Buffer );
normalize( params, &params->DllPath.Buffer );
normalize( params, &params->ImagePathName.Buffer );
normalize( params, &params->CommandLine.Buffer );
normalize( params, &params->WindowTitle.Buffer );
normalize( params, &params->Desktop.Buffer );
normalize( params, &params->ShellInfo.Buffer );
normalize( params, &params->RuntimeInfo.Buffer );
params->Flags |= PROCESS_PARAMS_FLAG_NORMALIZED;
}
return params;
}
static inline void denormalize( void *base, WCHAR **ptr )
{
if (*ptr) *ptr = (WCHAR *)(UINT_PTR)((char *)*ptr - (char *)base);
}
/******************************************************************************
* RtlDeNormalizeProcessParams [NTDLL.@]
*/
PRTL_USER_PROCESS_PARAMETERS WINAPI RtlDeNormalizeProcessParams( RTL_USER_PROCESS_PARAMETERS *params )
{
if (params && (params->Flags & PROCESS_PARAMS_FLAG_NORMALIZED))
{
denormalize( params, &params->CurrentDirectoryName.Buffer );
denormalize( params, &params->DllPath.Buffer );
denormalize( params, &params->ImagePathName.Buffer );
denormalize( params, &params->CommandLine.Buffer );
denormalize( params, &params->WindowTitle.Buffer );
denormalize( params, &params->Desktop.Buffer );
denormalize( params, &params->ShellInfo.Buffer );
denormalize( params, &params->RuntimeInfo.Buffer );
params->Flags &= ~PROCESS_PARAMS_FLAG_NORMALIZED;
}
return params;
}
/* append a unicode string to the process params data; helper for RtlCreateProcessParameters */
static void append_unicode_string( void **data, const UNICODE_STRING *src,
UNICODE_STRING *dst )
{
dst->Length = src->Length;
dst->MaximumLength = src->MaximumLength;
dst->Buffer = *data;
memcpy( dst->Buffer, src->Buffer, dst->MaximumLength );
*data = (char *)dst->Buffer + dst->MaximumLength;
}
/******************************************************************************
* RtlCreateProcessParameters [NTDLL.@]
*/
NTSTATUS WINAPI RtlCreateProcessParameters( RTL_USER_PROCESS_PARAMETERS **result,
const UNICODE_STRING *ImagePathName,
const UNICODE_STRING *DllPath,
const UNICODE_STRING *CurrentDirectoryName,
const UNICODE_STRING *CommandLine,
PWSTR Environment,
const UNICODE_STRING *WindowTitle,
const UNICODE_STRING *Desktop,
const UNICODE_STRING *ShellInfo,
const UNICODE_STRING *RuntimeInfo )
{
static const WCHAR empty[] = {0};
static const UNICODE_STRING empty_str = { 0, sizeof(empty), (WCHAR *)empty };
const RTL_USER_PROCESS_PARAMETERS *cur_params;
ULONG size, total_size;
void *ptr;
NTSTATUS status;
RtlAcquirePebLock();
cur_params = NtCurrentTeb()->Peb->ProcessParameters;
if (!DllPath) DllPath = &cur_params->DllPath;
if (!CurrentDirectoryName) CurrentDirectoryName = &cur_params->CurrentDirectoryName;
if (!CommandLine) CommandLine = ImagePathName;
if (!Environment) Environment = cur_params->Environment;
if (!WindowTitle) WindowTitle = &empty_str;
if (!Desktop) Desktop = &empty_str;
if (!ShellInfo) ShellInfo = &empty_str;
if (!RuntimeInfo) RuntimeInfo = &empty_str;
size = (sizeof(RTL_USER_PROCESS_PARAMETERS)
+ ImagePathName->MaximumLength
+ DllPath->MaximumLength
+ CurrentDirectoryName->MaximumLength
+ CommandLine->MaximumLength
+ WindowTitle->MaximumLength
+ Desktop->MaximumLength
+ ShellInfo->MaximumLength
+ RuntimeInfo->MaximumLength);
total_size = size;
if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, NULL, &total_size,
MEM_COMMIT, PAGE_READWRITE )) == STATUS_SUCCESS)
{
RTL_USER_PROCESS_PARAMETERS *params = ptr;
params->AllocationSize = total_size;
params->Size = size;
params->Flags = PROCESS_PARAMS_FLAG_NORMALIZED;
params->ProcessGroup = cur_params->ProcessGroup;
params->Environment = Environment;
/* all other fields are zero */
ptr = params + 1;
append_unicode_string( &ptr, CurrentDirectoryName, &params->CurrentDirectoryName );
append_unicode_string( &ptr, DllPath, &params->DllPath );
append_unicode_string( &ptr, ImagePathName, &params->ImagePathName );
append_unicode_string( &ptr, CommandLine, &params->CommandLine );
append_unicode_string( &ptr, WindowTitle, &params->WindowTitle );
append_unicode_string( &ptr, Desktop, &params->Desktop );
append_unicode_string( &ptr, ShellInfo, &params->ShellInfo );
append_unicode_string( &ptr, RuntimeInfo, &params->RuntimeInfo );
*result = RtlDeNormalizeProcessParams( params );
}
RtlReleasePebLock();
return status;
}
/******************************************************************************
* RtlDestroyProcessParameters [NTDLL.@]
*/
void WINAPI RtlDestroyProcessParameters( RTL_USER_PROCESS_PARAMETERS *params )
{
void *ptr = params;
ULONG size = 0;
NtFreeVirtualMemory( NtCurrentProcess(), &ptr, &size, MEM_RELEASE );
}
/***********************************************************************
* build_environment
*

6
dlls/ntdll/ntdll.spec
View file

@ -323,7 +323,7 @@
@ stub RtlCreateAndSetSD
@ stdcall RtlCreateEnvironment(long ptr)
@ stdcall RtlCreateHeap(long ptr long long ptr ptr)
@ stub RtlCreateProcessParameters
@ stdcall RtlCreateProcessParameters(ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr)
@ stub RtlCreateQueryDebugBuffer
@ stub RtlCreateRegistryKey
@ stdcall RtlCreateSecurityDescriptor(ptr long)
@ -335,7 +335,7 @@
@ stub RtlCreateUserThread
@ stub RtlCustomCPToUnicodeN
@ stub RtlCutoverTimeToSystemTime
@ stub RtlDeNormalizeProcessParams
@ stdcall RtlDeNormalizeProcessParams(ptr)
@ stub RtlDecompressBuffer
@ stub RtlDecompressFragment
@ stub RtlDelete
@ -347,7 +347,7 @@
@ stdcall RtlDeleteSecurityObject(long)
@ stdcall RtlDestroyEnvironment(ptr)
@ stdcall RtlDestroyHeap(long)
@ stub RtlDestroyProcessParameters
@ stdcall RtlDestroyProcessParameters(ptr)
@ stub RtlDestroyQueryDebugBuffer
@ stdcall RtlDetermineDosPathNameType_U(wstr)
@ stdcall RtlDoesFileExists_U(wstr)

9
dlls/ntdll/rtl.c
View file

@ -339,15 +339,6 @@ DWORD WINAPI RtlDeleteSecurityObject(DWORD x1) {
return 0;
}
/**************************************************************************
* RtlNormalizeProcessParams [NTDLL.@]
*/
LPVOID WINAPI RtlNormalizeProcessParams(LPVOID x)
{
FIXME("(%p), stub\n",x);
return x;
}
/**************************************************************************
* RtlGetNtProductType [NTDLL.@]
*/

11
include/winternl.h
View file

@ -114,6 +114,8 @@ typedef struct _RTL_USER_PROCESS_PARAMETERS
RTL_DRIVE_LETTER_CURDIR DLCurrentDirectory[0x20];
} RTL_USER_PROCESS_PARAMETERS, *PRTL_USER_PROCESS_PARAMETERS;
/* value for Flags field (FIXME: not the correct name) */
#define PROCESS_PARAMS_FLAG_NORMALIZED 1
typedef struct _PEB_LDR_DATA
{
@ -1080,6 +1082,11 @@ void WINAPI RtlCopyUnicodeString(UNICODE_STRING*,const UNICODE_STRING*);
NTSTATUS WINAPI RtlCreateAcl(PACL,DWORD,DWORD);
NTSTATUS WINAPI RtlCreateEnvironment(BOOLEAN, PWSTR*);
HANDLE WINAPI RtlCreateHeap(ULONG,PVOID,ULONG,ULONG,PVOID,PRTL_HEAP_DEFINITION);
NTSTATUS WINAPI RtlCreateProcessParameters(RTL_USER_PROCESS_PARAMETERS**,const UNICODE_STRING*,
const UNICODE_STRING*,const UNICODE_STRING*,
const UNICODE_STRING*,PWSTR,const UNICODE_STRING*,
const UNICODE_STRING*,const UNICODE_STRING*,
const UNICODE_STRING*);
NTSTATUS WINAPI RtlCreateSecurityDescriptor(PSECURITY_DESCRIPTOR,DWORD);
BOOLEAN WINAPI RtlCreateUnicodeString(PUNICODE_STRING,LPCWSTR);
BOOLEAN WINAPI RtlCreateUnicodeStringFromAsciiz(PUNICODE_STRING,LPCSTR);
@ -1087,8 +1094,10 @@ BOOLEAN WINAPI RtlCreateUnicodeStringFromAsciiz(PUNICODE_STRING,LPCSTR);
NTSTATUS WINAPI RtlDeleteCriticalSection(RTL_CRITICAL_SECTION *);
void WINAPI RtlDeleteResource(LPRTL_RWLOCK);
DWORD WINAPI RtlDeleteSecurityObject(DWORD);
PRTL_USER_PROCESS_PARAMETERS WINAPI RtlDeNormalizeProcessParams(RTL_USER_PROCESS_PARAMETERS*);
NTSTATUS WINAPI RtlDestroyEnvironment(PWSTR);
HANDLE WINAPI RtlDestroyHeap(HANDLE);
void WINAPI RtlDestroyProcessParameters(RTL_USER_PROCESS_PARAMETERS*);
DOS_PATHNAME_TYPE WINAPI RtlDetermineDosPathNameType_U(PCWSTR);
BOOLEAN WINAPI RtlDoesFileExists_U(LPCWSTR);
BOOLEAN WINAPI RtlDosPathNameToNtPathName_U(LPWSTR,PUNICODE_STRING,PWSTR*,CURDIR*);
@ -1196,7 +1205,7 @@ NTSTATUS WINAPI RtlMultiByteToUnicodeN(LPWSTR,DWORD,LPDWORD,LPCSTR,DWORD);
NTSTATUS WINAPI RtlMultiByteToUnicodeSize(DWORD*,LPCSTR,UINT);
DWORD WINAPI RtlNewSecurityObject(DWORD,DWORD,DWORD,DWORD,DWORD,DWORD);
LPVOID WINAPI RtlNormalizeProcessParams(LPVOID);
PRTL_USER_PROCESS_PARAMETERS WINAPI RtlNormalizeProcessParams(RTL_USER_PROCESS_PARAMETERS*);
ULONG WINAPI RtlNtStatusToDosError(NTSTATUS);
ULONG WINAPI RtlNumberOfSetBits(PCRTL_BITMAP);
ULONG WINAPI RtlNumberOfClearBits(PCRTL_BITMAP);