From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18687 invoked by alias); 24 Jul 2015 20:29:30 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 18673 invoked by uid 89); 24 Jul 2015 20:29:29 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.7 required=5.0 tests=AWL,BAYES_00,MIME_BASE64_BLANKS,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 X-HELO: ausxipps301.us.dell.com Received: from ausxipps301.us.dell.com (HELO ausxipps301.us.dell.com) (143.166.148.223) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Fri, 24 Jul 2015 20:29:28 +0000 X-LoopCount0: from 10.170.28.41 From: To: CC: , , Subject: Re: [PATCH] Make sure GDB uses a valid shell when starting the inferior and to perform the "shell" command Date: Fri, 24 Jul 2015 20:29:00 -0000 Message-ID: <94F6A309-A197-4A71-BEB9-42E009DD1EB5@dell.com> References: <1437761993-18758-1-git-send-email-sergiodj@redhat.com> <55B2850D.6030306@ericsson.com> <87k2tp5q3g.fsf@redhat.com> <838ua52wmp.fsf@gnu.org> <87fv4d5p8l.fsf@redhat.com> <837fpp2uz5.fsf@gnu.org> In-Reply-To: <837fpp2uz5.fsf@gnu.org> Content-Type: text/plain; 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24 Jul 2015 20:35:26 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 30126 invoked by uid 89); 24 Jul 2015 20:35:25 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 24 Jul 2015 20:35:22 +0000 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 (Postfix) with ESMTPS id CCFEAA10CF; Fri, 24 Jul 2015 20:35:20 +0000 (UTC) Received: from localhost (unused-10-15-17-51.yyz.redhat.com [10.15.17.51]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t6OKZJZP010956 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 24 Jul 2015 16:35:20 -0400 From: Sergio Durigan Junior To: Cc: , , Subject: Re: [PATCH] Make sure GDB uses a valid shell when starting the inferior and to perform the "shell" command References: <1437761993-18758-1-git-send-email-sergiodj@redhat.com> <55B2850D.6030306@ericsson.com> <87k2tp5q3g.fsf@redhat.com> <838ua52wmp.fsf@gnu.org> <87fv4d5p8l.fsf@redhat.com> <837fpp2uz5.fsf@gnu.org> <94F6A309-A197-4A71-BEB9-42E009DD1EB5@dell.com> X-URL: http://blog.sergiodj.net Date: Fri, 24 Jul 2015 20:35:00 -0000 In-Reply-To: <94F6A309-A197-4A71-BEB9-42E009DD1EB5@dell.com> (Paul Koning's message of "Fri, 24 Jul 2015 20:25:53 +0000") Message-ID: <87y4i547lk.fsf@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2015-07/txt/msg00728.txt.bz2 Content-length: 661 On Friday, July 24 2015, Paul Koning wrote: > But if you omit a shell, is the user of that shell blocked from using > gdb? That=E2=80=99s not a good failure mode. It seems to me that omitti= ng a > non-shell is much more forgiving: all that happens is that you don=E2=80= =99t > get the friendly error message. As I said before, I agree with this rationale. However, I just would like to make it clear that if the shell is invalid, the user will still be able to start inferiors because GDB will default to /bin/sh. --=20 Sergio GPG key ID: 237A 54B1 0287 28BF 00EF 31F4 D0EB 7628 65FC 5E36 Please send encrypted e-mail if possible http://sergiodj.net/