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symlink: bug fix for garbage characters in reparse path

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Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-10-11 09:58:52 -04:00 • committed by unknown
parent 4bc7853cd6
commit f8d92d5894
1 changed files with 4 additions and 1 deletions
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5
sys/nfs41_driver.c
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@ -2652,8 +2652,9 @@ NTSTATUS nfs41_Create(
/* allocate the string for RxPrepareToReparseSymbolicLink(), and /* allocate the string for RxPrepareToReparseSymbolicLink(), and
* format an absolute path "DeviceName+VNetRootName+symlink" */ * format an absolute path "DeviceName+VNetRootName+symlink" */
AbsPath.MaximumLength = AbsPath.Length = DeviceObject->DeviceName.Length + AbsPath.Length = DeviceObject->DeviceName.Length +
VNetRootPrefix->Length + entry->u.Open.symlink.Length; VNetRootPrefix->Length + entry->u.Open.symlink.Length;
AbsPath.MaximumLength = AbsPath.Length + sizeof(UNICODE_NULL);
AbsPath.Buffer = RxAllocatePoolWithTag(NonPagedPool, AbsPath.Buffer = RxAllocatePoolWithTag(NonPagedPool,
AbsPath.MaximumLength, NFS41_MM_POOLTAG); AbsPath.MaximumLength, NFS41_MM_POOLTAG);
if (AbsPath.Buffer == NULL) { if (AbsPath.Buffer == NULL) {
@ -2667,6 +2668,8 @@ NTSTATUS nfs41_Create(
RtlCopyMemory(buf, VNetRootPrefix->Buffer, VNetRootPrefix->Length); RtlCopyMemory(buf, VNetRootPrefix->Buffer, VNetRootPrefix->Length);
buf += VNetRootPrefix->Length; buf += VNetRootPrefix->Length;
RtlCopyMemory(buf, entry->u.Open.symlink.Buffer, entry->u.Open.symlink.Length); RtlCopyMemory(buf, entry->u.Open.symlink.Buffer, entry->u.Open.symlink.Length);
buf += entry->u.Open.symlink.Length;
*(PWCHAR)buf = UNICODE_NULL;
status = RxPrepareToReparseSymbolicLink(RxContext, status = RxPrepareToReparseSymbolicLink(RxContext,
entry->u.Open.symlink_embedded, &AbsPath, TRUE, &ReparseRequired); entry->u.Open.symlink_embedded, &AbsPath, TRUE, &ReparseRequired);