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Date: | Thu, 5 Feb 2015 12:39:26 +0100 |
From: | Corinna Vinschen <corinna-cygwin AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: how to determine if a shell is running as Administrator? |
Message-ID: | <20150205113926.GT2635@calimero.vinschen.de> |
Reply-To: | cygwin AT cygwin DOT com |
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References: | <slc6da9aq8g9e7h0aegafhfa86eahfd53p AT 4ax DOT com> <20150205100349 DOT GS2635 AT calimero DOT vinschen DOT de> <87siekhaz6 DOT fsf AT Rainer DOT invalid> |
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In-Reply-To: | <87siekhaz6.fsf@Rainer.invalid> |
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--JvUS8mwutKMHKosv Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Feb 5 12:08, Achim Gratz wrote: > Corinna Vinschen writes: > >> 2. Parse the output of groups or id -G. I can't find any reliable way= to do > >> this. For example on my host, when I start a shell with "Run as admin= istrator", > >> the new group I get isn't 544 (Administrators). It's 114 (Local accou= nt and > >> member of Administrators group). Is that at all portable or reliable? > > > > Huh? There is no such group in Windows. Where does it come from? >=20 > Yes there is, at least on Windows 8.1N Core and Server 2012R2. In fact > there are two new SID: >=20 > 113 (Local account) > 114 (Local account and member in Administrators group) >=20 > http://blogs.technet.com/b/secguide/archive/2014/09/02/blocking-remote-us= e-of-local-accounts.aspx > https://msdn.microsoft.com/en-us/library/cc980032.aspx Thanks for the info. Now I remember that I saw them already at one point, but I never had a deeper look what they actually are good for. However, the user token of such a user still contains the Administrators group (I just tested it) and thus the `id -G' test for 544 (or 0 with the old "root" entry in /etc/group) is still valid. Corinna --=20 Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat --JvUS8mwutKMHKosv Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJU01ZuAAoJEPU2Bp2uRE+gi5YQAIBjVZFd9Dm6cvbn+q+ESufi 2wULOGO68qgIzK47NDucznu3GMgH9JSRqdBi/5CVmqPrVti3xbZg+e+SF02O5KWl eCpERo0MupqakiJyvhRnR5ZS4ktJ32ckDnkisywAEto/fcaAnffM/lN3igQrH64C l/iYfit811LsIpcm56g8R9SP46RIdksuekQRrZ/41aepBacassAckAgjH+OQpY7t ceUr2V8QQrmW/VYT4n/6rh1TchZewvLrPnUAdbd5gAKVLfTjeThqxZMHyNrK0iTG 1OEXvd00s7LuLY2BiqTjYVQRq9fuZPjPjultkdxKfHItkNwepXY1GMWG0q8glziW ce/ckjAq+QYyDDH5JtfIS66p4K3Fxm1ZEQwAsdUCdoX6X1wuK1Xob4zQdrzUsyns WIvFh+AMECrg+xGGh6PuYJJ05k/lBnVl0tO4PX4OYORRFW/AoUmzB0r4nWgb5gyH jKTwJIMnb2dYhATnpcNQ5Bg0h1TYWvgydQSSnhysvOV2jsRcHbvERfJFAeE8audc lRBB/lWPWZuqYSxi26iXE2eyAMIvVUxGtGH88cCqX/M72ggfwVDhGcWNgAC2/qc2 OX8tmmmeMiYjjEnuepx5AOy6jxOlKA/RGteeaGfx4OKBuMzLfCAa+oilM2mVBUcm YMpj3F/51QEwZN8CFAuN =UG+U -----END PGP SIGNATURE----- --JvUS8mwutKMHKosv--
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