Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934552AbbHLJNB (ORCPT ); Wed, 12 Aug 2015 05:13:01 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:51332 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932119AbbHLJMk (ORCPT ); Wed, 12 Aug 2015 05:12:40 -0400 Message-ID: <1439370753.3100.58.camel@infradead.org> Subject: Re: [GIT PULL] MODSIGN: Use PKCS#7 for module signatures [ver #7a] From: David Woodhouse To: James Morris Cc: David Howells , mcgrof@gmail.com, zohar@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Date: Wed, 12 Aug 2015 10:12:33 +0100 In-Reply-To: References: <15181.1439323425@warthog.procyon.org.uk> <1439363265.3100.30.camel@infradead.org> Content-Type: multipart/signed; micalg="sha-1"; protocol="application/x-pkcs7-signature"; boundary="=-LY/j8NQs9bqaj4FASkKl" X-Mailer: Evolution 3.16.4 (3.16.4-2.fc22) Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9491 Lines: 153 --=-LY/j8NQs9bqaj4FASkKl Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2015-08-12 at 19:08 +1000, James Morris wrote: >=20 > CHK include/generated/compile.h > EXTRACT_CERTS signing_key.pem > At main.c:146: > - SSL error:02001002:system library:fopen:No such file or directory:=20 > bss_file.c:169 > - SSL error:2006D080:BIO routines:BIO_new_file:no such file:=20 > bss_file.c:172 > extract-cert: signing_key.pem: No such file or directory > rm: cannot remove `signing_key.x509': No such file or directory > make[1]: *** [signing_key.x509] Error 1 > make: *** [kernel] Error 2 Hm, but that ought to have a dependency on signing_key.pem. What is CONFIG_MODULE_SIG_KEY? Its default value of 'signing_key.pem'? That should mean that the rule in kernel/Makefile to create the signing key does exist. At the very end of kernel/Makefile, in the rule for signing_key.x509, please could you add an 'echo $(X509_DEP)' before the call to extract_certs? That ought to be correctly depending on the signing_key.pem file. There's magic here to work out the precise dependency, since it might be a filename relative to either the build tree or the source tree. I'll take another look and work out how it copes in the case where the file doesn't exist yet... is this an out-of-tree build? --=20 dwmw2 --=-LY/j8NQs9bqaj4FASkKl Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIISjjCCBicw ggUPoAMCAQICAw3vNzANBgkqhkiG9w0BAQUFADCBjDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0 YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcx ODA2BgNVBAMTL1N0YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENB MB4XDTE1MDUwNTA5NDM0MVoXDTE2MDUwNTA5NTMzNlowQjEcMBoGA1UEAwwTZHdtdzJAaW5mcmFk ZWFkLm9yZzEiMCAGCSqGSIb3DQEJARYTZHdtdzJAaW5mcmFkZWFkLm9yZzCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAMkbm9kPbx1j/X4RVyf/pPKSYwelcco69TvnQQbKM8m8xkWjXJI1 jpJ1jMaGUZGFToINMSZi7lZawUozudWbXSKy1SikENSTJHffsdRAIlsp+hR8vWvjsKUry6sEdqPG 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