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4 Nov 2014 17:05:08 +0000 Received: from localhost ([127.0.0.1]:49067 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlhXX-0004e7-3e for submit@debbugs.gnu.org; Tue, 04 Nov 2014 12:05:07 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53545) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlhXU-0004dv-It; Tue, 04 Nov 2014 12:05:05 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sA4H4wm2008796 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 4 Nov 2014 12:04:58 -0500 Received: from [10.3.113.108] (ovpn-113-108.phx2.redhat.com [10.3.113.108]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sA4H4uoS022487; Tue, 4 Nov 2014 12:04:57 -0500 Message-ID: <54590737.8040701@redhat.com> Date: Tue, 04 Nov 2014 18:04:55 +0100 From: Eric Blake Organization: Red Hat, Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: yangzhao , 18946-done@debbugs.gnu.org Subject: Re: bug#18946: a problem or a 'bug' about the command groups References: <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> In-Reply-To: <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> OpenPGP: url=http://people.redhat.com/eblake/eblake.gpg Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV" X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Spam-Score: -5.6 (-----) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.6 (-----) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable tag 18946 notabug thanks On 11/04/2014 12:43 PM, yangzhao wrote: > Excuse me, > I use command 'group -d ' to delete user ak from a grou= p testgroup. Then ,something confusing comes to me.I use command groups = as ak ,and get ak ,testgroup ,them two. But when I use groups ak , I get= ak only. And I take a look at /etc/group for testgroup ,there is nothing= with ak,so I want to ask ,which file does command groups look up ? 'groups' tells you the groups associated with the current process, which is not necessarily the same as you would get by starting a new session for that user. 'groups ak' tells you the groups that are associated with the user name 'ak' as determined by an /etc/group lookup (or similar action), which is what you would get when starting a new session.= Most likely, what happened is that in your testing, you have NOT YET logged out and back in to start a new session. Thus, the current process is STILL associated with testgroup, even though new sessions (and though 'group ak') will no longer be associated with testgroup. Therefore, I'm marking this as not a bug, although you should feel free to provide more details if I have missed something in guessing from your brief description. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg iQEcBAEBCAAGBQJUWQc3AAoJEKeha0olJ0NqtSAH/0c4nqKp2UZpOPR0z8sfRgqt 5OOY8hOxR5KaddwANHdoEQ49x7tcqgetwkdc7Zd3bnx7pTYEwk/qH0QxLFxHAaGe QJw3ow98rU5BNCRy0cigX7f4nI0DxtRGRjZMWYoVg1dnd1GcsC+QQe72OWu3pqJL qJwGHIES0YiSdU7RYumZwRQIqgqcf65mEO/6hLGYDWsBCFa+mdShl0IrQMdupvhh KLPStF7Z9BYWCI5c7UTUe3QDHZjhbVWf1mvy1/eB8ASLfBFTTIlW3tr7S43voe7O D66xf62DphEUirM6gLJ9b7gPOzK0Uwo3PcYMAEOapL/BLIMZQK2nuINoGLXsSAw= =Lpv5 -----END PGP SIGNATURE----- --2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV-- From unknown Thu Sep 11 06:33:37 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.503 (Entity 5.503) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: yangzhao Subject: bug#18946: closed (Re: bug#18946: a problem or a 'bug' about the command groups) Message-ID: References: <54590737.8040701@redhat.com> <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> X-Gnu-PR-Message: they-closed 18946 X-Gnu-PR-Package: coreutils X-Gnu-PR-Keywords: notabug Reply-To: 18946@debbugs.gnu.org Date: Tue, 04 Nov 2014 17:06:03 +0000 Content-Type: multipart/mixed; boundary="----------=_1415120763-17951-1" This is a multi-part message in MIME format... ------------=_1415120763-17951-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #18946: a problem or a 'bug' about the command groups which was filed against the coreutils package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 18946@debbugs.gnu.org. --=20 18946: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D18946 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1415120763-17951-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 18946-done) by debbugs.gnu.org; 4 Nov 2014 17:05:09 +0000 Received: from localhost ([127.0.0.1]:49069 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlhXZ-0004eH-3x for submit@debbugs.gnu.org; Tue, 04 Nov 2014 12:05:09 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53545) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlhXU-0004dv-It; Tue, 04 Nov 2014 12:05:05 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sA4H4wm2008796 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 4 Nov 2014 12:04:58 -0500 Received: from [10.3.113.108] (ovpn-113-108.phx2.redhat.com [10.3.113.108]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sA4H4uoS022487; Tue, 4 Nov 2014 12:04:57 -0500 Message-ID: <54590737.8040701@redhat.com> Date: Tue, 04 Nov 2014 18:04:55 +0100 From: Eric Blake Organization: Red Hat, Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: yangzhao , 18946-done@debbugs.gnu.org Subject: Re: bug#18946: a problem or a 'bug' about the command groups References: <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> In-Reply-To: <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> OpenPGP: url=http://people.redhat.com/eblake/eblake.gpg Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV" X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Spam-Score: -5.6 (-----) X-Debbugs-Envelope-To: 18946-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.6 (-----) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable tag 18946 notabug thanks On 11/04/2014 12:43 PM, yangzhao wrote: > Excuse me, > I use command 'group -d ' to delete user ak from a grou= p testgroup. Then ,something confusing comes to me.I use command groups = as ak ,and get ak ,testgroup ,them two. But when I use groups ak , I get= ak only. And I take a look at /etc/group for testgroup ,there is nothing= with ak,so I want to ask ,which file does command groups look up ? 'groups' tells you the groups associated with the current process, which is not necessarily the same as you would get by starting a new session for that user. 'groups ak' tells you the groups that are associated with the user name 'ak' as determined by an /etc/group lookup (or similar action), which is what you would get when starting a new session.= Most likely, what happened is that in your testing, you have NOT YET logged out and back in to start a new session. Thus, the current process is STILL associated with testgroup, even though new sessions (and though 'group ak') will no longer be associated with testgroup. Therefore, I'm marking this as not a bug, although you should feel free to provide more details if I have missed something in guessing from your brief description. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg iQEcBAEBCAAGBQJUWQc3AAoJEKeha0olJ0NqtSAH/0c4nqKp2UZpOPR0z8sfRgqt 5OOY8hOxR5KaddwANHdoEQ49x7tcqgetwkdc7Zd3bnx7pTYEwk/qH0QxLFxHAaGe QJw3ow98rU5BNCRy0cigX7f4nI0DxtRGRjZMWYoVg1dnd1GcsC+QQe72OWu3pqJL qJwGHIES0YiSdU7RYumZwRQIqgqcf65mEO/6hLGYDWsBCFa+mdShl0IrQMdupvhh KLPStF7Z9BYWCI5c7UTUe3QDHZjhbVWf1mvy1/eB8ASLfBFTTIlW3tr7S43voe7O D66xf62DphEUirM6gLJ9b7gPOzK0Uwo3PcYMAEOapL/BLIMZQK2nuINoGLXsSAw= =Lpv5 -----END PGP SIGNATURE----- --2KVSAGk4CXnaIoMH6SaQ0303WpxcupNMV-- ------------=_1415120763-17951-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 4 Nov 2014 16:39:29 +0000 Received: from localhost ([127.0.0.1]:48995 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xlh8i-0002Z8-PB for submit@debbugs.gnu.org; Tue, 04 Nov 2014 11:39:29 -0500 Received: from eggs.gnu.org ([208.118.235.92]:44771) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xld0Z-0001MX-5q for submit@debbugs.gnu.org; Tue, 04 Nov 2014 07:14:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xld0P-0008US-2A for submit@debbugs.gnu.org; Tue, 04 Nov 2014 07:14:46 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,HTML_MESSAGE, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:35820) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xld0O-0008UO-VH for submit@debbugs.gnu.org; Tue, 04 Nov 2014 07:14:36 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46441) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xld0H-00046O-7j for bug-coreutils@gnu.org; Tue, 04 Nov 2014 07:14:36 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xld09-0008SV-Mx for bug-coreutils@gnu.org; Tue, 04 Nov 2014 07:14:29 -0500 Received: from m15-61.126.com ([220.181.15.61]:37236) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xld08-0008Rq-Nk for bug-coreutils@gnu.org; Tue, 04 Nov 2014 07:14:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=Date:From:Subject:MIME-Version:Message-ID; bh=5KbzL IpLOJZY37eZj4pZ6TvDyk6BK+wKx8uFgNwUkpY=; b=RnQt6yLi0CEsCiarPLPan 6srIRpIAmWVpkqr1RmhfflEY9UWl2ehK7OtJiVIQxlc8wkAziJQ+a+fM4JCo1MqB GpqmsF2uHrOGVo+ufUia+620v7jF4r6Anmx/YAz7JkeE1hfPokeIU8ee7sn0gEiD 66Qpj0AfG2OQwXN8fkWleE= Received: from plyang123$126.com ( [114.255.40.51] ) by ajax-webmail-wmsvr61 (Coremail) ; Tue, 4 Nov 2014 19:43:49 +0800 (CST) X-Originating-IP: [114.255.40.51] Date: Tue, 4 Nov 2014 19:43:49 +0800 (CST) From: yangzhao To: bug-coreutils@gnu.org Subject: a problem or a 'bug' about the command groups X-Priority: 3 X-Mailer: Coremail Webmail Server Version SP_ntes V3.5 build 20140915(28949.6690) Copyright (c) 2002-2014 www.mailtech.cn 126com X-CM-CTRLDATA: LzUPsmZvb3Rlcl9odG09MjgwMTo4MQ== Content-Type: multipart/alternative; boundary="----=_Part_504760_922152852.1415101429102" MIME-Version: 1.0 Message-ID: <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> X-CM-TRANSID: PcqowEDpIkP2u1hUcSIoAA--.2670W X-CM-SenderInfo: pso1t0jjrsjqqrswhudrp/1tbiOg06N1LrxV6HLgACsz X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). 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Tue, 04 Nov 2014 17:11:01 +0000 Received: (at 18946) by debbugs.gnu.org; 4 Nov 2014 17:10:11 +0000 Received: from localhost ([127.0.0.1]:49082 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlhcQ-0004nH-SM for submit@debbugs.gnu.org; Tue, 04 Nov 2014 12:10:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55727) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlhcO-0004n3-1K for 18946@debbugs.gnu.org; Tue, 04 Nov 2014 12:10:08 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sA4HA4qn011124 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 4 Nov 2014 12:10:04 -0500 Received: from [10.3.113.108] (ovpn-113-108.phx2.redhat.com [10.3.113.108]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sA4HA2pm016872; Tue, 4 Nov 2014 12:10:03 -0500 Message-ID: <5459086A.7060807@redhat.com> Date: Tue, 04 Nov 2014 18:10:02 +0100 From: Eric Blake Organization: Red Hat, Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 References: <3db1ee6e.1f80a.1497a9e356e.Coremail.plyang123@126.com> <54590737.8040701@redhat.com> In-Reply-To: <54590737.8040701@redhat.com> OpenPGP: url=http://people.redhat.com/eblake/eblake.gpg Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xsxaAJ7TSXwJjXN4oiGQ28HwKUGBIXlhs" X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Spam-Score: -5.6 (-----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.6 (-----) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --xsxaAJ7TSXwJjXN4oiGQ28HwKUGBIXlhs Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 11/04/2014 06:04 PM, Eric Blake wrote: > tag 18946 notabug > thanks >=20 > On 11/04/2014 12:43 PM, yangzhao wrote: >> Excuse me, >> I use command 'group -d ' to delete user ak from a gro= up testgroup. Then ,something confusing comes to me.I use command groups= as ak ,and get ak ,testgroup ,them two. But when I use groups ak , I ge= t ak only. And I take a look at /etc/group for testgroup ,there is nothin= g with ak,so I want to ask ,which file does command groups look up ? >=20 > 'groups' tells you the groups associated with the current process, whic= h > is not necessarily the same as you would get by starting a new session > for that user. 'groups ak' tells you the groups that are associated > with the user name 'ak' as determined by an /etc/group lookup (or > similar action), which is what you would get when starting a new sessio= n. >=20 > Most likely, what happened is that in your testing, you have NOT YET > logged out and back in to start a new session. Thus, the current > process is STILL associated with testgroup, even though new sessions > (and though 'group ak') will no longer be associated with testgroup. If you want to see what operations are being done in the two scenarios, try running 'strace groups' and 'strace groups ak'; you'll notice different syscalls between the two (those for determining the group membership of the current process, vs. those used for determining the groups to use when starting a new session). --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --xsxaAJ7TSXwJjXN4oiGQ28HwKUGBIXlhs Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg iQEcBAEBCAAGBQJUWQhqAAoJEKeha0olJ0NqQIcH/0/z3eUkDqVvSavDbT+sGaAg H8c9SLInbDu/f8hrddBA8BW7P8WdkhwyUmY5qQrOfp+Viol9IhhcAPn+2d7zX0TV mRv2E4kCsqGsqhzDboTTNgKmwHNgp/KqpxuX2+8NlsbRRoB6iZfMR0dc8bu4rWeN 7AOGPgmoq5NBz6pvD1XyYDyEu/6shhDBT3aoo6EHTvbZ8Pn3GHUSfU0CdaSE/t8v pyfqgLiECsy9G2gehNrxiEZgoWH4LGfZW8qRoQ0Re4k/jRswZmz6lIEhazGKHzVx 4Vevc734r6CpUC3CaiTcT8hNTR01jqphIiE+IDjqkuG46+B+jGfUafkXUFLWR5A= =04vV -----END PGP SIGNATURE----- --xsxaAJ7TSXwJjXN4oiGQ28HwKUGBIXlhs--