From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp10.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id oIqbArW6a2Kn0gAAbAwnHQ (envelope-from ) for ; Fri, 29 Apr 2022 12:15:17 +0200 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp10.migadu.com with LMTPS id GHn0AbW6a2JjswAAG6o9tA (envelope-from ) for ; Fri, 29 Apr 2022 12:15:17 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id B1EA81F6F4 for ; Fri, 29 Apr 2022 12:15:16 +0200 (CEST) Received: from localhost ([::1]:34924 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkN65-0004qK-1v for larch@yhetil.org; Fri, 29 Apr 2022 05:39:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52858) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkN5l-0004q5-Pw for guix-devel@gnu.org; Fri, 29 Apr 2022 05:39:13 -0400 Received: from xavier.telenet-ops.be ([2a02:1800:120:4::f00:14]:53238) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nkN5k-0006ty-3x for guix-devel@gnu.org; Fri, 29 Apr 2022 05:39:13 -0400 Received: from ptr-bvsjgyhxw7psv60dyze.18120a2.ip6.access.telenet.be ([IPv6:2a02:1811:8c09:9d00:3c5f:2eff:feb0:ba5a]) by xavier.telenet-ops.be with bizsmtp id QZf92700D4UW6Th01Zf9Sr; Fri, 29 Apr 2022 11:39:09 +0200 Message-ID: Subject: Re: The case for moving raw binaries From: Maxime Devos To: raingloom Date: Fri, 29 Apr 2022 11:39:09 +0200 In-Reply-To: <20220429005247.4af8b0a4@riseup.net> References: <615054d08116af35720a08a6fdb836e84cf0e873.camel@gmail.com> <65282c9d3d91b215499ab792604e11d0127e5215.camel@telenet.be> <228ccb21e58b37a659568787af29adaa69d39c2e.camel@gmail.com> <20220429005247.4af8b0a4@riseup.net> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-Idqrm3Q6rd97hNc4D0zR" User-Agent: Evolution 3.38.3-1 MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telenet.be; s=r22; t=1651225149; bh=g8aFDko6t2SCgydL05plBjiSgFenWL0/9avgDzyfwmc=; h=Subject:From:To:Cc:Date:In-Reply-To:References; b=EiLieyWqHHK9ir4fbrp+kfaj1SL6DCQzmGoAlT5rLNjhRQICC7CUA3KsAsMyegXMs /7lL7NRDf78baHJMt9MVYB0gVoWZhb/SBJt0F3cXzc3cEco1bremUB/AMVpSdWIw2c tVRFg9mcgUusZjeoVPMNYqlh2Ur/P5Yclc6SqPEJ4h6L4vzIGt7Q+EDyIru63tgxtV v50rUvbkWayKBxeqt794yoBfcezrRYSA09pv8HZi7lCiwJu8XMvYolEyAqXeMIEP8F cQMRORt7hK2i97EJJKWOyHv/DVm5U+gjA1I2blWu1mJgIoifg7+8iS6x31PF3Olygl 5jqe9PYYNShtw== Received-SPF: pass client-ip=2a02:1800:120:4::f00:14; envelope-from=maximedevos@telenet.be; helo=xavier.telenet-ops.be X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org, Liliana Marie Prikler Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1651227316; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=g8aFDko6t2SCgydL05plBjiSgFenWL0/9avgDzyfwmc=; b=EJVMeXrT9R++a254+G0GLDbbjX8A1EcULnWWCt8foqPNpgdw4sTylI4j98qWVQ8d0CFigW rLrKlYWD1HTmgFiARIiF52LBrDZBQSeEcj5B4n7/BXara6BifBqw5phomdeQ2xHL2IHw7m IwN+34GXSNX50ZribO98LIPUp/iixZtvFFX72asXBeBfS5h6qvCtogEonoDIfsZpBOEsSC H/h59SLUbHD+F8w+Nug6jTyFvjc+7+yZFW/rqFPtG1i323n6IsLSi2d+coDFajsBVIBf1F IXwBpmCzh167Rx9Uu51ujQM5Sc6eWTnW7FesTww8cq7E7mNi5QklWZAElfrL2A== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1651227316; a=rsa-sha256; cv=none; b=HqK4z/6efhnXb229zOTRTXOLbRlIb86gr0hsHiOKl6gPFCeK2+t0E2vfR5i3suP/0uPIXF usy8ffsFPNDo2RE4Kb4Q97uOR0NsJ4OslNyR/FB9iqnGeJngWg6vsonqo/k1u6uDYBk86Y Q5BZ65qvVhPwSYeMLbpBjQSQo7o5K5kzPBqovooiDAaPeZZWt7zlkg2JE9ILqGsvYIASW/ gw+o7yMKkjP11PFDjQSB1tQPa4es4dU4CzofC56m0asMixZ2n4VA0dj1Oqs6PfTrv1hkGI GUEwBR4ORqs0zlpzE73eE8KnE0YB91XRw5VRAfz5QnT05wrvBfjKFC7QgVs/mA== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=telenet.be header.s=r22 header.b=EiLieyWq; dmarc=fail reason="SPF not aligned (relaxed)" header.from=telenet.be (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 4.00 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=telenet.be header.s=r22 header.b=EiLieyWq; dmarc=fail reason="SPF not aligned (relaxed)" header.from=telenet.be (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: B1EA81F6F4 X-Spam-Score: 4.00 X-Migadu-Scanner: scn1.migadu.com X-TUID: PBeRbm+amqR8 --=-Idqrm3Q6rd97hNc4D0zR Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable raingloom schreef op vr 29-04-2022 om 00:52 [+0200]: > It should be pretty easy to detect a wrapped binary without moving it. > We could just include a magic string in it and scan for that, the exact > same way we scan for store references. If it contains the "wrapped" > magic UUID, it's wrapped. This is already the case, at least for 'wrap-program': (define (wrapped-program? prog) "Return #t if PROG is a program that was moved and wrapped by 'wrap- program'." [...]) [...] (when (wrapped-program? prog) (error (string-append prog " is a wrapper. Refusing to wrap."))) (if already-wrapped? ;; PROG is already a wrapper: add the new "export VAR=3DVALUE" lines just ;; before the last line. [...]) [...] Greetings, Maxime. --=-Idqrm3Q6rd97hNc4D0zR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iI0EABYKADUWIQTB8z7iDFKP233XAR9J4+4iGRcl7gUCYmuyPRccbWF4aW1lZGV2 b3NAdGVsZW5ldC5iZQAKCRBJ4+4iGRcl7uNlAP9EBGRRiNnudvam2pf/jrUWfjr2 kZa/qAVtB9vZtoIFZgEA8I8HFWwcKhcAQUvInWAimJaTlrTJIW9N9c2x0u2xtgk= =GONq -----END PGP SIGNATURE----- --=-Idqrm3Q6rd97hNc4D0zR--