From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.devel Subject: Re: Reconsider password-cache policy Date: Mon, 26 Jul 2021 16:09:44 +0200 Message-ID: <877dhdupxz.fsf@gmx.de> References: <87h7ghz17n.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21099"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: akater Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jul 26 16:10:33 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m81JR-0005KL-6I for ged-emacs-devel@m.gmane-mx.org; Mon, 26 Jul 2021 16:10:33 +0200 Original-Received: from localhost ([::1]:37286 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m81JQ-00084r-7b for ged-emacs-devel@m.gmane-mx.org; Mon, 26 Jul 2021 10:10:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39422) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m81Il-0006wD-JY for emacs-devel@gnu.org; Mon, 26 Jul 2021 10:09:51 -0400 Original-Received: from mout.gmx.net ([212.227.17.20]:43007) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m81Ij-0006mx-MI for emacs-devel@gnu.org; Mon, 26 Jul 2021 10:09:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1627308585; bh=9uNcJ403hsgVNslaL+nPdSr3dxuK++KfBVQ/NT2lywY=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=Vkwshq3kr02qO5JJO3Qr8eStnr9rruJhOoFyP2qbplEyMw6Q6z6xQ5uMInZbD8AFy q0ET391b/3H6jjknRXpVWTZs5aJ766TN9sLAw3FFW1uz7RIY3al2LFvLjIgdioKxBq xNcANwCdAHkGUphGe8xwFbjbsoWkYzBMfJDGdFvQ= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from gandalf.gmx.de ([212.91.249.69]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MIMbU-1ltmDV1xQ4-00EQbV; Mon, 26 Jul 2021 16:09:45 +0200 In-Reply-To: <87h7ghz17n.fsf@gmail.com> (akater's message of "Mon, 26 Jul 2021 12:52:44 +0000") X-Provags-ID: V03:K1:g/OSo8IK6SJJXZximAZFGFtvARZSBGvOMvzS62WEVJ6t/uQDHwG HJvtC23w/hy2fd7/29eAEWV/zMEiiVlOP/V68vHKUHpoCaVEP/Jtytjuxg0TWkEsQYcf6T3 m7swNLXEPicCQ3eJczt2CyNSQ9g60mxdRdP+dylrqU9OVh69toZE0kDQAFHZf9yKvjax1VM b6sp9AdHrGHr39nZPzjEA== X-UI-Out-Filterresults: notjunk:1;V03:K0:4QnheEfjchs=:vjr+XUFUTS2KFR6MreZKHm Z/slnYKZQIKFqqyI8BilwXx4DQDq3SDpXwp3bNyFHFLPv9Fq8ZAerYFE7Q5lY4WteVZJcB9T+ BMXBA9kqCn3imgynnzau6DDQ8HwNRNZCfZAn/uQ9XrmTI7RnMdzZ+jr7ZEQ4/54ljksuJtrIF vboRoycWPumcUT80t2g7dPKlmfhuE9nfDW1vyo+anCoLO6uDT070mp2GHlLveKXGMkZNfzZcT Q4ORXUuOGmb3IJ/G6wbEhnHAEUaddE1O5bD4kDx5Se27doF/w6Fdrc3dEEVVfwHRSjk+//ne2 IfZB6Z7DlYEmyDJiHwYOTOeSsWrpda7y9OWuPXThdDqA9Fa/WmX6XNK8K6PJ4h2D13u4LB7Bq BgzEOe5xCxNoN2bTPMxa1wCJYbjOaK4BVVsOIK+ti70RXflbChmQM/t9RpD/zu61yh3ZVL33K De3G/6EI1WIDl6BDm4O95S3Ts3gMN2VB6/+7lKqBUxcAPAh4fcBgXZ+1hEyEajsbkGBhk2U5L EZgQ8zGKHtS6RCJqR8S/oolu64gAau3FbmROkGBs9PYkda8jX30TElVDr5IimgYIK07EVCCls MjUUmOW0Rv0Hn0RNfR55sFg65WAt6b9VXQ6rt+pVpa6jy/rzwKp7WpyfglH+DNjQFFKYrmXW3 Dhk4wqJmhIdJIYPEnvCSHT+AunQ9uufNaRoM0pNFz0TwSdG/Ir4ojVtLEJd5bBfYRdAorzamJ Aq8T/zkPqtV3vRLeoIDNFUuncDo8BeVl8wd1tq7pC+XKX7INba2hdeBTR0YXpPaPfDRMl5M4 Received-SPF: pass client-ip=212.227.17.20; envelope-from=michael.albinus@gmx.de; helo=mout.gmx.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:271650 Archived-At: akater writes: Hi, > There is no point in allowing one library to use the cache but > disallowing another to do it. It does not help with security as any > Elisp code can access that data anyway, any time, while added complexity > is always bad for security. In contrast, there certainly must be a > clear way to turn caching off once and for all. Given the current > policy, it can not possibly exist. Multiplying ~..-do-cache~ variables > across elisp libraries will not do users any good. Setting password-cache-expiry to 0 should do this? > I also think that password caching should be turned off by default. I disagree. There are cases you cannot work properly w/o password caching. See for example the recent discussion about Tramp's sudoedit method in bug#49724. Best regards, Michael.