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[NTOS:IO]

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- Correctly set DRIVER_EXTENSION::ServiceKeyName
CORE-8566 #resolve

svn path=/trunk/; revision=64343
This commit is contained in:
Thomas Faber 2014-09-27 14:58:40 +00:00
parent f2bc2ef5ed
commit 22a86674c9
2 changed files with 30 additions and 24 deletions
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1
reactos/ntoskrnl/include/internal/io.h
View file

@ -1058,6 +1058,7 @@ NTAPI
IopCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
IN PDRIVER_INITIALIZE InitializationFunction,
IN PUNICODE_STRING RegistryPath,
IN PCUNICODE_STRING ServiceName,
PLDR_DATA_TABLE_ENTRY ModuleObject,
OUT PDRIVER_OBJECT *pDriverObject);

43
reactos/ntoskrnl/io/iomgr/driver.c
View file

@ -90,14 +90,12 @@ IopDeleteDriver(IN PVOID ObjectBody)
ExFreePool(DriverObject->DriverName.Buffer);
}
#if 0 /* See a bit of hack in IopCreateDriver */
/* Check if it has a service key name */
if (DriverObject->DriverExtension->ServiceKeyName.Buffer)
{
/* Free it */
ExFreePool(DriverObject->DriverExtension->ServiceKeyName.Buffer);
}
#endif
}
NTSTATUS FASTCALL
@ -516,6 +514,7 @@ IopInitializeDriverModule(
DriverName.Length > 0 ? &DriverName : NULL,
DriverEntry,
&RegistryKey,
ServiceName,
ModuleObject,
&Driver);
RtlFreeUnicodeString(&RegistryKey);
@ -1479,6 +1478,7 @@ NTAPI
IopCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
IN PDRIVER_INITIALIZE InitializationFunction,
IN PUNICODE_STRING RegistryPath,
IN PCUNICODE_STRING ServiceName,
PLDR_DATA_TABLE_ENTRY ModuleObject,
OUT PDRIVER_OBJECT *pDriverObject)
{
@ -1550,9 +1550,9 @@ try_again:
}
/* Set up the service key name buffer */
ServiceKeyName.Buffer = ExAllocatePoolWithTag(PagedPool,
LocalDriverName.Length +
sizeof(WCHAR),
ServiceKeyName.MaximumLength = ServiceName->Length + sizeof(UNICODE_NULL);
ServiceKeyName.Buffer = ExAllocatePoolWithTag(NonPagedPool,
ServiceKeyName.MaximumLength,
TAG_IO);
if (!ServiceKeyName.Buffer)
{
@ -1562,21 +1562,26 @@ try_again:
return STATUS_INSUFFICIENT_RESOURCES;
}
/* Fill out the key data and copy the buffer */
ServiceKeyName.Length = LocalDriverName.Length;
ServiceKeyName.MaximumLength = LocalDriverName.MaximumLength;
RtlCopyMemory(ServiceKeyName.Buffer,
LocalDriverName.Buffer,
LocalDriverName.Length);
/* Null-terminate it and set it */
ServiceKeyName.Buffer[ServiceKeyName.Length / sizeof(WCHAR)] = UNICODE_NULL;
/* Copy the name and set it in the driver extension */
RtlCopyUnicodeString(&ServiceKeyName,
ServiceName);
DriverObject->DriverExtension->ServiceKeyName = ServiceKeyName;
/* Also store it in the Driver Object. This is a bit of a hack. */
RtlCopyMemory(&DriverObject->DriverName,
&ServiceKeyName,
sizeof(UNICODE_STRING));
/* Make a copy of the driver name to store in the driver object */
DriverObject->DriverName.MaximumLength = LocalDriverName.Length;
DriverObject->DriverName.Buffer = ExAllocatePoolWithTag(PagedPool,
DriverObject->DriverName.MaximumLength,
TAG_IO);
if (!DriverObject->DriverName.Buffer)
{
/* Fail */
ObMakeTemporaryObject(DriverObject);
ObDereferenceObject(DriverObject);
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlCopyUnicodeString(&DriverObject->DriverName,
&LocalDriverName);
/* Add the Object and get its handle */
Status = ObInsertObject(DriverObject,
@ -1678,7 +1683,7 @@ IoCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
IN PDRIVER_INITIALIZE InitializationFunction)
{
PDRIVER_OBJECT DriverObject;
return IopCreateDriver(DriverName, InitializationFunction, NULL, NULL, &DriverObject);
return IopCreateDriver(DriverName, InitializationFunction, NULL, DriverName, NULL, &DriverObject);
}
/*