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[VIDEOPRT] Change case of device registry path written to registry

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Change it it two places, to handle when 'UseNewKey' is enabled or disabled.

This fixes the Spice guest agent, which searches 'System' case-sensitively in it.
This commit is contained in:
Hervé Poussineau 2022-01-24 18:55:26 +01:00
parent b80d806e05
commit 1add6de3e8
1 changed files with 9 additions and 1 deletions
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10
win32ss/drivers/videoprt/videoprt.c
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@ -524,7 +524,7 @@ IntLoadRegistryParameters(VOID)
NTSTATUS Status;
HANDLE KeyHandle;
UNICODE_STRING UseNewKeyPath = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\GraphicsDrivers\\UseNewKey");
UNICODE_STRING Path = RTL_CONSTANT_STRING(L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Control");
UNICODE_STRING Path = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\System\\CurrentControlSet\\Control");
UNICODE_STRING ValueName = RTL_CONSTANT_STRING(L"SystemStartOptions");
OBJECT_ATTRIBUTES ObjectAttributes;
PKEY_VALUE_PARTIAL_INFORMATION KeyInfo;
@ -792,6 +792,14 @@ VideoPortInitialize(
}
RtlCopyUnicodeString(&DriverExtension->RegistryPath, RegistryPath);
/* There is a bug in Spice guest agent, which searches 'System' case-sensitively.
* Replace 'SYSTEM' by 'System' to fix that.
* Probably for similar reason, Windows also replaces 'MACHINE' by 'Machine'.
*/
wcsncpy(wcsstr(DriverExtension->RegistryPath.Buffer, L"\\SYSTEM\\"), L"\\System\\", ARRAYSIZE(L"\\SYSTEM\\") - 1);
wcsncpy(wcsstr(DriverExtension->RegistryPath.Buffer, L"\\MACHINE\\"), L"\\Machine\\", ARRAYSIZE(L"\\MACHINE\\") - 1);
INFO_(VIDEOPRT, "RegistryPath: %wZ\n", &DriverExtension->RegistryPath);
}
else