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Moved CreateSystemRootLink() away.

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svn path=/trunk/; revision=2718
This commit is contained in:
Eric Kohl 2002-03-16 00:00:13 +00:00
parent e210855943
commit e451a9e365
3 changed files with 149 additions and 143 deletions
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5
reactos/ntoskrnl/include/internal/io.h
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: io.h,v 1.16 2002/03/13 01:26:02 ekohl Exp $
/* $Id: io.h,v 1.17 2002/03/15 23:59:05 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -314,6 +314,9 @@ NTSTATUS STDCALL IoPageWrite (PFILE_OBJECT FileObject,
NTSTATUS
IoCreateArcNames(VOID);
NTSTATUS
IoCreateSystemRootLink(PCHAR ParameterLine);
NTSTATUS
IopInitiatePnpIrp(
PDEVICE_OBJECT DeviceObject,

142
reactos/ntoskrnl/io/arcname.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: arcname.c,v 1.1 2002/03/13 01:27:06 ekohl Exp $
/* $Id: arcname.c,v 1.2 2002/03/15 23:59:38 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -34,7 +34,7 @@
#include "internal/xhal.h"
#define NDEBUG
#include <debug.h>
#include <internal/debug.h>
/* FUNCTIONS ****************************************************************/
@ -171,4 +171,142 @@ IoCreateArcNames(VOID)
return(STATUS_SUCCESS);
}
NTSTATUS
IoCreateSystemRootLink(PCHAR ParameterLine)
{
UNICODE_STRING LinkName;
UNICODE_STRING DeviceName;
UNICODE_STRING ArcName;
UNICODE_STRING BootPath;
PCHAR ParamBuffer;
PWCHAR ArcNameBuffer;
PCHAR p;
NTSTATUS Status;
ULONG Length;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE Handle;
/* Create local parameter line copy */
ParamBuffer = ExAllocatePool(PagedPool, 256);
strcpy(ParamBuffer, (char *)ParameterLine);
DPRINT("%s\n", ParamBuffer);
/* Format: <arc_name>\<path> [options...] */
/* cut options off */
p = strchr(ParamBuffer, ' ');
if (p)
*p = 0;
DPRINT("%s\n", ParamBuffer);
/* extract path */
p = strchr(ParamBuffer, '\\');
if (p)
{
DPRINT("Boot path: %s\n", p);
RtlCreateUnicodeStringFromAsciiz(&BootPath, p);
*p = 0;
}
else
{
DPRINT("Boot path: %s\n", "\\");
RtlCreateUnicodeStringFromAsciiz(&BootPath, "\\");
}
DPRINT("Arc name: %s\n", ParamBuffer);
/* Only arc name left - build full arc name */
ArcNameBuffer = ExAllocatePool(PagedPool, 256 * sizeof(WCHAR));
swprintf(ArcNameBuffer,
L"\\ArcName\\%S", ParamBuffer);
RtlInitUnicodeString(&ArcName, ArcNameBuffer);
DPRINT("Arc name: %wZ\n", &ArcName);
/* free ParamBuffer */
ExFreePool(ParamBuffer);
/* allocate device name string */
DeviceName.Length = 0;
DeviceName.MaximumLength = 256 * sizeof(WCHAR);
DeviceName.Buffer = ExAllocatePool(PagedPool, 256 * sizeof(WCHAR));
InitializeObjectAttributes(&ObjectAttributes,
&ArcName,
0,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject(&Handle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
RtlFreeUnicodeString(&BootPath);
RtlFreeUnicodeString(&DeviceName);
CPRINT("NtOpenSymbolicLinkObject() '%wZ' failed (Status %x)\n",
&ArcName,
Status);
RtlFreeUnicodeString(&ArcName);
return(Status);
}
RtlFreeUnicodeString(&ArcName);
Status = NtQuerySymbolicLinkObject(Handle,
&DeviceName,
&Length);
NtClose (Handle);
if (!NT_SUCCESS(Status))
{
RtlFreeUnicodeString(&BootPath);
RtlFreeUnicodeString(&DeviceName);
CPRINT("NtQuerySymbolicObject() failed (Status %x)\n",
Status);
return(Status);
}
DPRINT("Length: %lu DeviceName: %wZ\n", Length, &DeviceName);
RtlAppendUnicodeStringToString(&DeviceName,
&BootPath);
RtlFreeUnicodeString(&BootPath);
DPRINT("DeviceName: %wZ\n", &DeviceName);
/* create the '\SystemRoot' link */
RtlInitUnicodeString(&LinkName,
L"\\SystemRoot");
Status = IoCreateSymbolicLink(&LinkName,
&DeviceName);
RtlFreeUnicodeString (&DeviceName);
if (!NT_SUCCESS(Status))
{
CPRINT("IoCreateSymbolicLink() failed (Status %x)\n",
Status);
return(Status);
}
/* Check whether '\SystemRoot'(LinkName) can be opened */
InitializeObjectAttributes(&ObjectAttributes,
&LinkName,
0,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject(&Handle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
CPRINT("NtOpenSymbolicLinkObject() failed to open '\\SystemRoot' (Status %x)\n",
Status);
return(Status);
}
NtClose(Handle);
return(STATUS_SUCCESS);
}
/* EOF */

145
reactos/ntoskrnl/ke/main.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: main.c,v 1.115 2002/03/13 01:26:32 ekohl Exp $
/* $Id: main.c,v 1.116 2002/03/16 00:00:13 ekohl Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/main.c
@ -398,141 +398,6 @@ RtlpCheckFileNameExtension(PCHAR FileName,
return FALSE;
}
static VOID
CreateSystemRootLink (PCSZ ParameterLine)
{
UNICODE_STRING LinkName;
UNICODE_STRING DeviceName;
UNICODE_STRING ArcName;
UNICODE_STRING BootPath;
PCHAR ParamBuffer;
PWCHAR ArcNameBuffer;
PCHAR p;
NTSTATUS Status;
ULONG Length;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE Handle;
/* create local parameter line copy */
ParamBuffer = ExAllocatePool (PagedPool, 256);
strcpy (ParamBuffer, (char *)ParameterLine);
DPRINT("%s\n", ParamBuffer);
/* Format: <arc_name>\<path> [options...] */
/* cut options off */
p = strchr (ParamBuffer, ' ');
if (p)
*p = 0;
DPRINT("%s\n", ParamBuffer);
/* extract path */
p = strchr (ParamBuffer, '\\');
if (p)
{
DPRINT("Boot path: %s\n", p);
RtlCreateUnicodeStringFromAsciiz (&BootPath, p);
*p = 0;
}
else
{
DPRINT("Boot path: %s\n", "\\");
RtlCreateUnicodeStringFromAsciiz (&BootPath, "\\");
}
DPRINT("Arc name: %s\n", ParamBuffer);
/* Only arc name left - build full arc name */
ArcNameBuffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
swprintf (ArcNameBuffer,
L"\\ArcName\\%S", ParamBuffer);
RtlInitUnicodeString (&ArcName, ArcNameBuffer);
DPRINT("Arc name: %wZ\n", &ArcName);
/* free ParamBuffer */
ExFreePool (ParamBuffer);
/* allocate device name string */
DeviceName.Length = 0;
DeviceName.MaximumLength = 256 * sizeof(WCHAR);
DeviceName.Buffer = ExAllocatePool (PagedPool, 256 * sizeof(WCHAR));
InitializeObjectAttributes (&ObjectAttributes,
&ArcName,
0,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject (&Handle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
RtlFreeUnicodeString (&BootPath);
RtlFreeUnicodeString (&DeviceName);
DPRINT1("NtOpenSymbolicLinkObject() '%wZ' failed (Status %x)\n",
&ArcName,
Status);
RtlFreeUnicodeString (&ArcName);
KeBugCheck (0x0);
}
RtlFreeUnicodeString (&ArcName);
Status = NtQuerySymbolicLinkObject (Handle,
&DeviceName,
&Length);
NtClose (Handle);
if (!NT_SUCCESS(Status))
{
RtlFreeUnicodeString (&BootPath);
RtlFreeUnicodeString (&DeviceName);
CPRINT("NtQuerySymbolicObject() failed (Status %x)\n",
Status);
KeBugCheck (0x0);
}
DPRINT("Length: %lu DeviceName: %wZ\n", Length, &DeviceName);
RtlAppendUnicodeStringToString (&DeviceName,
&BootPath);
RtlFreeUnicodeString (&BootPath);
DPRINT("DeviceName: %wZ\n", &DeviceName);
/* create the '\SystemRoot' link */
RtlInitUnicodeString (&LinkName,
L"\\SystemRoot");
Status = IoCreateSymbolicLink (&LinkName,
&DeviceName);
RtlFreeUnicodeString (&DeviceName);
if (!NT_SUCCESS(Status))
{
CPRINT("IoCreateSymbolicLink() failed (Status %x)\n",
Status);
KeBugCheck (0x0);
}
/* Check if '\SystemRoot'(LinkName) can be opened, otherwise crash it! */
InitializeObjectAttributes (&ObjectAttributes,
&LinkName,
0,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject (&Handle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
CPRINT("NtOpenSymbolicLinkObject() failed to open '\\SystemRoot' (Status %x)\n",
Status);
KeBugCheck (0x0);
}
NtClose(Handle);
}
static VOID
InitSystemSharedUserPage (PCSZ ParameterLine)
@ -1124,13 +989,13 @@ ExpInitializeExecutive(VOID)
LdrProcessDriver((PVOID)start, name, length);
}
}
/* Create ARC names for boot devices */
IoCreateArcNames();
/* Create the SystemRoot symbolic link */
CPRINT("CommandLine: %s\n", (PUCHAR)KeLoaderBlock.CommandLine);
CreateSystemRootLink ((PUCHAR)KeLoaderBlock.CommandLine);
IoCreateSystemRootLink((PUCHAR)KeLoaderBlock.CommandLine);
#ifdef DBGPRINT_FILE_LOG
/* On the assumption that we can now access disks start up the debug