From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junio C Hamano Subject: Re: [PATCH] apply: refuse touching a file beyond symlink Date: Fri, 30 Jan 2015 11:42:49 -0800 Message-ID: References: <20150130181153.GA25513@peff.net> Mime-Version: 1.0 Content-Type: text/plain Cc: Git Mailing List , Josh Boyer , "Linux-Kernel\@Vger. Kernel. Org" , twaugh@redhat.com, Linus Torvalds To: Jeff King X-From: linux-kernel-owner@vger.kernel.org Fri Jan 30 20:43:04 2015 Return-path: Envelope-to: glk-linux-kernel-3@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YHHT1-0001nv-IJ for glk-linux-kernel-3@plane.gmane.org; Fri, 30 Jan 2015 20:43:00 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760549AbbA3Tmx (ORCPT ); Fri, 30 Jan 2015 14:42:53 -0500 Received: from pb-smtp1.int.icgroup.com ([208.72.237.35]:63627 "EHLO sasl.smtp.pobox.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752555AbbA3Tmv (ORCPT ); Fri, 30 Jan 2015 14:42:51 -0500 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id 0641F315F5; Fri, 30 Jan 2015 14:42:51 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=AswEAN+6oo4JDOe2yPKw2f0Fw00=; b=PlSaLE LlIW6fyugNk/aQpoZkYoW6G4Ra5M0yYzHajLJj9tJFE7B2Gn12vrGmHps2lgW/tl 1EYpehZAzTCHlCmi+CYGRmuFczSrIyE2UJqIg/MahxL+BO0p1VtJnjeILNuzb/qJ /gSfsATX6v62ZOPJvZzgmgV01KCpoxcQndHq4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=ZUaxTaMYRYz6w9XafeyKrJEGmV9tSE6U Pz/uTZMMFthphNwpn5VZfiPBvnXXRF2x7tsUegdXIYlKzeRZ9bIFvgJaz4tOINFr adT7Tr+/wh+EUbEV3z9U8wC2MXyTCnZBBkO4p6mr2WiZsUbjkuSv6X0anFBOId/y GP+sFIkyMUY= Received: from pb-smtp1.int.icgroup.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id F0FB0315F1; Fri, 30 Jan 2015 14:42:50 -0500 (EST) Received: from pobox.com (unknown [72.14.226.9]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by pb-smtp1.pobox.com (Postfix) with ESMTPSA id 651AA315EF; Fri, 30 Jan 2015 14:42:50 -0500 (EST) In-Reply-To: <20150130181153.GA25513@peff.net> (Jeff King's message of "Fri, 30 Jan 2015 13:11:53 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) X-Pobox-Relay-ID: 2CACFBB6-A8B8-11E4-9F12-7BA29F42C9D4-77302942!pb-smtp1.pobox.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Archived-At: Jeff King writes: > On Thu, Jan 29, 2015 at 12:45:22PM -0800, Junio C Hamano wrote: > >> + if (!patch->is_delete && path_is_beyond_symlink(patch->new_name)) >> + return error(_("affected file '%s' is beyond a symbolic link"), >> + patch->new_name); > > Why does this not kick in when deleting a file? Half-written logic, forgotten to be revisited (i.e. "ok, anything that is not delete we can check new_name, so do that first, later we'd deal with deletion patch and I think the way to do so is by checking old_name, but let's make sure this case works first"). Thanks for catching.