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sys,dll: SYMLINK_FLAG_RELATIVE

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This commit is contained in:
Bill Zissimopoulos
2016-09-11 13:18:54 -07:00
parent af2cc10c15
commit f89c91cd10
4 changed files with 28 additions and 17 deletions
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11
src/sys/create.c
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@ -516,9 +516,8 @@ NTSTATUS FspFsvolCreateComplete(
* path. Prefix it with our device name and send it to the IO Manager.
*
* IO_REPARSE_TAG_SYMLINK means that the user-mode file system has returned a full
* symbolic link reparse buffer. In this case send the target path to the IO Manager
* without prefixing it with our device name as it is expected to be absolute in the
* NT namespace.
* symbolic link reparse buffer. In this case send the target path to the IO Manager,
* and prefix it with our device name depending on SYMLINK_FLAG_RELATIVE.
*/
if (IO_REPARSE == Response->IoStatus.Information)
@ -550,7 +549,11 @@ NTSTATUS FspFsvolCreateComplete(
if (!NT_SUCCESS(Result))
FSP_RETURN();
RtlZeroMemory(&ReparseTargetPrefix, sizeof ReparseTargetPrefix);
if (0 == (ReparseData->SymbolicLinkReparseBuffer.Flags & SYMLINK_FLAG_RELATIVE))
RtlZeroMemory(&ReparseTargetPrefix, sizeof ReparseTargetPrefix);
else
RtlCopyMemory(&ReparseTargetPrefix, &FsvolDeviceExtension->VolumeName,
sizeof ReparseTargetPrefix);
ReparseTargetPath.Buffer = ReparseData->SymbolicLinkReparseBuffer.PathBuffer +
ReparseData->SymbolicLinkReparseBuffer.SubstituteNameOffset / sizeof(WCHAR);