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sys: util: FspEaBufferAndNamesValid

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Bill Zissimopoulos
2019-03-16 13:58:09 -07:00
parent 91568edc45
commit 9e5d75fadc
4 changed files with 44 additions and 22 deletions
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21
src/sys/ea.c
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@ -506,31 +506,12 @@ static NTSTATUS FspFsvolSetEa(
Result = FspBufferUserBuffer(Irp, Length, IoReadAccess);
if (!NT_SUCCESS(Result))
return Result;
Buffer = Irp->AssociatedIrp.SystemBuffer;
Irp->IoStatus.Information = 0;
Result = IoCheckEaBufferValidity(Buffer, Length,
(PULONG)&Irp->IoStatus.Information);
Result = FspEaBufferAndNamesValid(Buffer, Length, (PULONG)&Irp->IoStatus.Information);
if (!NT_SUCCESS(Result))
return Result;
for (PFILE_FULL_EA_INFORMATION Ea = Buffer, EaEnd = (PVOID)((PUINT8)Ea + Length);
EaEnd > Ea; Ea = FSP_NEXT_EA(Ea, EaEnd))
{
STRING Name;
Name.Length = Name.MaximumLength = Ea->EaNameLength;
Name.Buffer = Ea->EaName;
if (!FspEaNameIsValid(&Name))
{
Result = STATUS_INVALID_EA_NAME;
Irp->IoStatus.Information = (ULONG)((PUINT8)Ea - (PUINT8)Buffer);
return Result;
}
}
FspFileNodeAcquireExclusive(FileNode, Full);
Result = FspIopCreateRequestEx(Irp, 0, Length, FspFsvolSetEaRequestFini,