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Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 1.7.33-0.1
- From: Luke Kendall <luke dot kendall at cisra dot canon dot com dot au>
- To: <cygwin at cygwin dot com>
- Cc: audit <audit-mail-disclaimer at cisra dot canon dot com dot au>
- Date: Fri, 24 Oct 2014 17:35:47 +1100
- Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 1.7.33-0.1
- Authentication-results: sourceware.org; auth=none
- References: <announce dot 20141022092323 dot GH32374 at calimero dot vinschen dot de> <20141023025725 dot GA9370 at pixel dot schutter dot home> <20141023154358 dot GE20607 at calimero dot vinschen dot de> <5449F281 dot 3080701 at cisra dot canon dot com dot au>
On 24/10/14 02:43, Corinna Vinschen wrote:
> On Oct 22 20:57, Tom Schutter wrote:
>> On Wed 2014-10-22 11:23, Corinna Vinschen wrote:
>>> For your convenience I wrote new documentation. Since this is a TEST
>>> prerelease, the new documentation is not part of the official docs yet.
>>> Rather have a look at
>> "machine is no domain member" -> "machine is not a domain member"
> Thanks, I applied this as patch.
Obviously, all the URLs for the section called âMapping Windows accounts
to POSIX accountsâ will become correct when the file is renamed from
preliminary-ntsec.html to ntsec.html. But in the section where you talk
about the 'problem with the definition of a "correct" ACL which
disallows mapping of certain POSIX permissions cleanly', previously the
URL referenced immediately after that text appeared as 'the section
called "The POSIX permission mapping leak" ', but now it's yet another
reference to 'the section called âMapping Windows accounts to POSIX
-- Is that a mistake?
'One of them is that the idea to have always small files is flawed.'
'One of them is that the idea that these files will always be small, is
'so we rely on some mechanism to convert SIDs to uid/gid values and vice
'so we need a mechanism to convert SIDs to uid/gid values and vice versa'
'It allows [us] to generate uid/gid values '
'Read /etc/passwd and /etc/group files [if they exist], just as in the
'If [the passwd or group] files are present, they will be scanned on demand'
'Logon SIDs: The own[huh? owner's? user's?] LogonSid is converted'
'if the AD administrators chose an unreasonable[unreasonably] small'
'which keeps an analogue value of the trustPosixOffset'
'which keeps an analog of the trustPosixOffset'
'how do we uniquely differ[distinguish] between them by name?'
'very costly (read: slow) sea[r]ch operations'
(By the way, if you want to belong to multiple groups, is the only way
to do this via an /etc/group file? Also, it occurs to me that another
way to store the unix home dir, etc., would be a 'partial passwd' file
that omitted the fields for the parts supplied easily by AD (SID, GID)?
That's just an idle thought.)
'Cygwin process tree, which[ever?] first process'
'is not running a[t] the time'
'via an undocumented API[,] an applications[application] can fetch'
'When Cygwin stat's[stats, or: stat()s] files'
'If both[,] files and db are specified'
'Cygwin will always try the files first, then the db. '
-- is that because the db will always be more trustworthy than the files?
BTW, the POSIX permission mapping leak used to have a section heading;
it's now just unmarked, inside the File Permissions section. (I'm just
pointing that out.)
Hope this helps! You've obviously put a lot of thought and effort into
all this: thanks.
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