From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff King Subject: Re: [PATCH 2/2] git: continue alias lookup on EACCES errors Date: Wed, 28 Mar 2012 16:37:58 -0400 Message-ID: <20120328203758.GA10104@sigill.intra.peff.net> References: <7v4nt9j1m3.fsf@alter.siamese.dyndns.org> <20120328043058.GD30251@sigill.intra.peff.net> <7vaa30wrjx.fsf@alter.siamese.dyndns.org> <20120328174841.GA27876@sigill.intra.peff.net> <20120328180404.GA9052@burratino> <7v1uocwpap.fsf@alter.siamese.dyndns.org> <20120328184014.GA8982@burratino> <20120328193909.GB29019@sigill.intra.peff.net> <20120328194516.GD8982@burratino> <20120328201851.GA29315@sigill.intra.peff.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: Junio C Hamano , James Pickens , Git ML To: Jonathan Nieder X-From: git-owner@vger.kernel.org Wed Mar 28 22:38:07 2012 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SCzd8-0004fp-Ld for gcvg-git-2@plane.gmane.org; Wed, 28 Mar 2012 22:38:07 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932270Ab2C1UiC (ORCPT ); Wed, 28 Mar 2012 16:38:02 -0400 Received: from 99-108-226-0.lightspeed.iplsin.sbcglobal.net ([99.108.226.0]:36349 "EHLO peff.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757434Ab2C1UiA (ORCPT ); Wed, 28 Mar 2012 16:38:00 -0400 Received: (qmail 21519 invoked by uid 107); 28 Mar 2012 20:38:19 -0000 Received: from sigill.intra.peff.net (HELO sigill.intra.peff.net) (10.0.0.7) (smtp-auth username relayok, mechanism cram-md5) by peff.net (qpsmtpd/0.84) with ESMTPA; Wed, 28 Mar 2012 16:38:19 -0400 Received: by sigill.intra.peff.net (sSMTP sendmail emulation); Wed, 28 Mar 2012 16:37:58 -0400 Content-Disposition: inline In-Reply-To: <20120328201851.GA29315@sigill.intra.peff.net> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: On Wed, Mar 28, 2012 at 04:18:51PM -0400, Jeff King wrote: > +int sane_execvp(const char *file, char * const argv[]) > +{ > + int ret = execvp(file, argv); > + if (ret < 0 && errno == EACCES && !file_in_path_is_nonexecutable(file)) > + errno = ENOENT; > + return ret; > +} Hmm, this should check for (*file == '/') to handle absolute paths properly. If you have an absolute path, I would tend to think that we should never rewrite it into ENOENT (so if you have "/foo/bar", even if "foo" is inaccessible, ENOENT is still the right response). -Peff