New guards cover the default AllAccess token handle, token handles that lack the right to query or to adjust privileges, and the finalizer of an abandoned PrivilegeEnabler, which closes the handle that it owns; writes to the root of a drive that subst maps to a sandbox folder, which skip for the restricted token of the basic-user runner that cannot define a drive letter; Get-ChildItem2 -Filter against a match by short name; retargeting a descriptor with Item; the path overloads of the inheritance helpers for a missing path and of the audit rule reader for folders; removing a generic right while another account holds an exact entry; and an empty -ServerName.
Follow-ups of the independent review: dispose the enabler in the finally block before its handle, don't pin that the iterator overloads write only when enumerated, arrange the previous owner of the RestoreOwnerError test, and describe what ObjectApis.Tests.ps1 does.
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Resolve relative paths with Get-Item2, report copies and moves to a drive that does not exist, warn once about MACTripleDES across pipeline objects, and check the exceptions of PrivilegeControl for held, repeated and missing privileges.
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Cover locked and denied copy and move, recursive enumeration that stops or meets a broken junction, hard link counts on a network share, denied link creation, the default root folder of a drive root, ownerless -PassThru and an undefined hash algorithm.
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Reproduce and fix public rule paths, simplified audit comparisons and ReadData conversion, and boxed privilege equality. Add behavior guards for descriptor inheritance, unresolved identities, audit capability and recursive denial. Freeze this source for Release matrix measurement; final gate evidence and independent review follow.
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From the security-reviewer pass over be04cb7..4ee01e5 (Nit 8): the
probe for the administrative share and the conversion of a sandbox path
to \\localhost\C$\... were copied into ItemCmdlets.Tests.ps1 and
Links.Tests.ps1, and only the local path passed Assert-TestSandboxPath.
TestHelpers.psm1 now has Test-AdminShareAvailable and
ConvertTo-TestAdminSharePath, which checks the local path against the
sandbox before it returns the share path, with tests of their own.
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Windows can't move a folder to another volume. Move-Item2 moved folders
with CopyAllowed, so AlphaFS copied and deleted them instead: an empty
folder was deleted without being created at the destination, and a
folder with files failed with an error that named one of its files.
Folders now move without CopyAllowed, and the cmdlet writes a MoveError
with the category InvalidOperation that names the folder and the
destination, and leaves the folder in place. A file still moves to
another volume; with -Force, it keeps the error of Windows, (17).
The tests move to \\localhost\C$, which Windows treats as another volume,
and run only elevated.
Decision 22, item 6: an assumption in autopilot, flagged for the
maintainer's review.
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- Copy-Item2 and Move-Item2 name a missing destination folder in a verbose
message with -WhatIf, like an existing destination (#108); the operation
itself fails with an error that names the folder (finding 1).
- Invoke-TestsAsBasicUser.ps1 refuses a title with a double quote or a
percent sign, which cmd.exe interprets inside the quoted argument, and
fails when waiting for the test process fails (findings 4 and 5).
- The page of Get-NTFSSimpleAccess says that ReadData is the right to list
a folder (ListDirectory), which the cmdlet reports as Read (finding 10).
Checked and kept: a UNC destination on a share that doesn't exist names
the share, which a new test pins (finding 3); the lab script refuses
machines outside the lab before it changes anything (finding 6).
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- Remove-NTFSAccess and Remove-NTFSAudit with -RemoveSpecific are tested
also with -Path, not only with -SecurityDescriptor.
- Copy-Item2 and Move-Item2 name the destination of a folder in their
verbose message, not only of a file.
- The Enable-Privileges count compares with the privileges of the token,
so that it passes as a basic user, whose token holds one; the tests of
-PassThru restore the privilege states that they found.
- The type name comparison of Get-FileHash2 is exact, the inherited-entry
counts must be greater than zero, and the braces test (#3) checks the
verbose message that raised the FormatException.
- Remove-TestSandbox removes paths longer than 260 characters in Windows
PowerShell, through the \\?\ prefix and rd, so the long-path test of
Test-Path2 no longer cleans up itself; after a failed setup, it returns
instead of stopping AfterAll with a binding error.
Not reachable by a test: a second path whose SACL read fails while the
Security privilege is enabled; a declined -Confirm takes the code path of
-WhatIf. The tests that need a session without privileges get the CI run
as a basic user.
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The check for an existing destination looked for a file only. For a
folder whose name existed at the destination, the cmdlets failed in the
middle with a CopyError or a MoveError, and Copy-Item2 could copy a part
of the folder first. They now write DestinationFileAlreadyExists, as
for a file.
When the folder that is to contain the new item didn't exist, AlphaFS
reported a DirectoryNotFoundException that named the source item, which
reproduces the symptom of #21. The cmdlets now write an error that names
the missing folder, with the destination as the target. Copy-Item2 no
longer creates the missing folders for a folder: the workaround that
creates the destination folder for AlphaFS created its parents as well,
which only the prereleases of 5.0.0 did.
The pages also say that -Force merges a folder into an existing folder
of the same name, and that a folder can't move to another volume.
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Since this branch, Test-Path2 writes $false for a path that Windows
PowerShell rejects, such as one with a |, but it didn't say why. It now
writes the reason as a debug message. Only the lookup of the item is in
the try block, so that an error elsewhere in the cmdlet can't turn into
$false.
Found by the security review of fcb370e..00c3646 (finding 4).
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In Windows PowerShell, .NET rejects a path with a character that Windows
doesn't allow in names, such as | or <, and Test-Path2 stopped with the
terminating error "Illegal characters in path". Such an item can't
exist, so the cmdlet now writes false, as in PowerShell 7 and like
Test-Path. Add tests for every -PathType, long paths, relative paths,
and the pipeline, and for Get-DiskSpace, which had no tests.
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- #41: for the root of a drive, the cmdlets read and changed the security
descriptor of the drive, a device object. FileSystemSecurity2 now routes
drive roots through the path-based AlphaFS methods, which keep the
trailing backslash; the removal and inheritance helpers use it too.
- #109: Add-, Remove-, and Clear-NTFSAudit report a security descriptor
without the audit entries like Get-NTFSAudit, through one helper, and
Get-NTFSEffectiveAccess names the cause that Windows reported instead
of a missing Security privilege.
- #108: Copy-Item2 and Move-Item2 check the destination only for an
operation that runs; with -WhatIf, a verbose message names the conflict.
- #111: Disable-Privileges skips the privileges that the token doesn't
hold, the privilege messages are spelled right, and Get-FileHash2
declares the type name of its objects; 05-Releasing.md documents the
release metadata tests.
- rc3 review leftovers: Remove-NTFSAudit writes nothing for an item
without a SACL, the owner retry of Set-NTFSSecurityDescriptor restores
the previous owner in a finally block and keeps an owner that the
descriptor sets, and FileSystemSecurity2.Write with another item writes
only the sections that were read.
Each fix has a test that failed first, in Windows PowerShell 5.1 and
PowerShell 7; writing a drive root was checked once on a temporary VHD.
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An empty Get-ChildItem2 -Attributes value, such as 0 or None in
PowerShell 7, matched every item and returned hidden items as well; it now
stops the cmdlet with AttributesEmpty, as Get-ChildItem rejects it. The page
says that the + and ! operators of Get-ChildItem aren't supported and that
-Recurse still enters hidden folders, and the changelog says that a call
with several attributes now returns more items. The type data test starts
Windows PowerShell, where the import failed, from both CI legs and checks
that LengthOnDisk is still there.
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Get-ChildItem2 -Attributes returned only the items that had all the listed
attributes, so -Attributes Hidden, ReadOnly returned nothing where
Get-ChildItem returns both kinds of items. It now returns the items that have
any of them (#5).
BREAKING CHANGE: to get only the items with all the listed attributes,
filter the result with Where-Object, as the cmdlet page shows.
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Nine cmdlets still read the PWD variable for the default location when
-Path was omitted, so #86 remained for that form; they now use
GetCurrentLocation. Copy-Item2 writes the object that CopyTo returns for the
copy instead of relying on AlphaFS to update the source object, and a test
covers a folder.
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The new FAQ page answers the questions that the issues ask again and again
and links the pages with the details. The Get-NTFSEffectiveAccess page said
that a security descriptor produces no result, and the Copy-Item2 page now
says that -PassThru returns the copy; tests pin both -PassThru objects.
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Copy-Item2, Move-Item2, and Remove-Item2 wrote the item with -PassThru
also when -WhatIf or a declined confirmation skipped the operation.
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Copy-Item2 and Move-Item2 named the source path as the destination,
Disable-Privileges said that the privileges were now enabled, and the
warning of Get-NTFSEffectiveAccess misspelled the privilege.
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Defect 18. Copy-Item2, Move-Item2, and Remove-Item2 left ProcessRecord
with "return" when a path didn't exist and, for copy and move, when the
destination file existed without -Force, so the remaining paths of the
same -Path array were not processed. They now write the error and
continue with the next path.
Tests/ItemCmdlets.Tests.ps1: 5 tests.
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Defect 13. The Inherits column of the Children2 view, which formats the
Get-ChildItem2 output, negated the IsInheritanceBlocked property. The
module defines that property for System.IO.FileInfo and DirectoryInfo
only, not for the AlphaFS objects that Get-ChildItem2 returns, so the
column showed !$null, that is True, for every item. The view now reads
the protection of the DACL from the item.
Tests/ItemCmdlets.Tests.ps1: 2 tests on the formatted output.
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Defect 10. AlphaFS 2.2 copies a folder only into an existing destination
folder; otherwise DirectoryInfo.CopyTo fails with a
DirectoryNotFoundException for the first file, so Copy-Item2 could not
copy a folder that contained files. The cmdlet now creates the
destination folder first; AlphaFS then copies the files and subfolders.
Tests/ItemCmdlets.Tests.ps1: 1 test.
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Defect 2. Get-ChildItem2 cast every -Path item to DirectoryInfo, so a file
path stopped the cmdlet with an InvalidCastException, a terminating error
that also skipped the remaining paths. Like Get-ChildItem, a file path now
returns the file itself, filtered like the other items; with -Directory it
returns nothing.
Tests/ItemCmdlets.Tests.ps1 (new): 3 tests.
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Raimund Andree