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Path to SMSS can be now set in the registry value REGISTRY\MACHINE\SYSTEM\CurrentControlSet\Session Manager\Path. The code is temporarily disabled because it hasn't been tested yet

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svn path=/trunk/; revision=3486
This commit is contained in:
KJK::Hyperion 2002-09-11 19:36:14 +00:00
parent dc91eccd19
commit 0ddd0152c2
1 changed files with 63 additions and 4 deletions
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67
reactos/ntoskrnl/ldr/init.c
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@ -31,6 +31,7 @@
* RJJ 06/03/99 Moved user PE loader into NTDLL
* EA 19990717 LdrGetSystemDirectory()
* EK 20000618 Using SystemRoot link instead of LdrGetSystemDirectory()
* HYP 20020911 Code to determine smss's path from the registry
*/
/* INCLUDES *****************************************************************/
@ -50,14 +51,15 @@
/* FUNCTIONS *****************************************************************/
/*
* FIXME: The location of the initial process should be configurable,
* from command line or registry
* TODO: Read the location of the initial process from command line before
* trying the registry - embedded setups, like the installation CD-ROM, may not
* have a SYSTEM hive
*/
NTSTATUS LdrLoadInitialProcess (VOID)
{
NTSTATUS Status;
HANDLE ProcessHandle;
UNICODE_STRING ProcessName;
UNICODE_STRING ProcessName = {0, 0, NULL};
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE FileHandle;
HANDLE SectionHandle;
@ -71,14 +73,65 @@ NTSTATUS LdrLoadInitialProcess (VOID)
ULONG ResultLength;
PVOID ImageBaseAddress;
ULONG InitialStack[5];
#if 0
/* FIXME: Test this please */
HANDLE RootDir;
PWSTR Environment = L"SystemRoot=\\SystemRoot\0";
RTL_QUERY_REGISTRY_TABLE RegistryValues[] = {
{
NULL,
RTL_QUERY_REGISTRY_DIRECT,
L"Path",
&ProcessName,
REG_SZ,
L"\\SystemRoot\\system32\\smss.exe"
sizeof(L"\\SystemRoot\\system32\\smss.exe") - sizeof(WCHAR)
},
{ NULL, 0, NULL, NULL, 0, NULL, 0 }
};
/* try to query the SMSS path from the registry */
Status = RtlQueryRegistryValues(RTL_REGISTRY_CONTROL,
L"Session Manager",
RegistryValues,
NULL,
Environment);
/* failure or invalid data: use default */
if(!NT_SUCCESS(Status) || ProcessName.Length < sizeof(WCHAR))
RtlInitUnicodeStringFromLiteral(&ProcessName,
L"\\SystemRoot\\system32\\smss.exe");
/* relative path: open \SystemRoot\system32 */
else if(ProcessName.Buffer[0] != L'\\')
{
UNICODE_STRING DirPath;
RtlInitUnicodeStringFromLiteral(&DirPath, L"\\SystemRoot\\system32");
InitializeObjectAttributes(&ObjectAttributes,
&DirPath,
0,
NULL,
NULL);
if(!NT_SUCCESS(ZwOpenFile(&RootDir, 0, &ObjectAttributes, NULL, 0, 0)))
/* failure: use default */
RtlInitUnicodeStringFromLiteral(&ProcessName,
L"\\SystemRoot\\system32\\smss.exe");
}
InitializeObjectAttributes(&ObjectAttributes,
&ProcessName,
0,
RootDir,
NULL);
#else
/*
* Get the absolute path to smss.exe using the
* SystemRoot link.
*/
RtlInitUnicodeStringFromLiteral(&ProcessName,
L"\\SystemRoot\\system32\\smss.exe");
/*
* Open process image to determine ImageBase
* and StackBase/Size.
@ -88,6 +141,7 @@ NTSTATUS LdrLoadInitialProcess (VOID)
0,
NULL,
NULL);
#endif
DPRINT("Opening image file %S\n", ObjectAttributes.ObjectName->Buffer);
Status = ZwOpenFile(&FileHandle,
FILE_ALL_ACCESS,
@ -95,6 +149,11 @@ NTSTATUS LdrLoadInitialProcess (VOID)
NULL,
0,
0);
#if 0
/* FIXME? ExFreePool() should ignore non-pool data */
RtlFreeUnicodeString(&ProcessName);
NtClose(RootDir);
#endif
if (!NT_SUCCESS(Status))
{
DPRINT("Image open failed (Status was %x)\n", Status);