Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753582Ab1CUPEa (ORCPT ); Mon, 21 Mar 2011 11:04:30 -0400 Received: from out3.smtp.messagingengine.com ([66.111.4.27]:48211 "EHLO out3.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753522Ab1CUPEZ (ORCPT ); Mon, 21 Mar 2011 11:04:25 -0400 X-Sasl-enc: 40X9EG5UEiN+Ppv166L54PJkejw9LYvWNteODTgBpPmD 1300719864 From: Roberto Sassu To: tyhicks@linux.vnet.ibm.com Cc: kirkland@canonical.com, dhowells@redhat.com, jmorris@namei.org, linux-fsdevel@vger.kernel.org, keyrings@linux-nfs.org, linux-kernel@vger.kernel.org, ecryptfs-devel@lists.launchpad.net, Roberto Sassu Subject: [PATCH v2 2/5] eCryptfs: modified size of keysig in the ecryptfs_key_sig structure Date: Mon, 21 Mar 2011 16:00:52 +0100 Message-Id: <1300719658-3184-3-git-send-email-roberto.sassu@polito.it> X-Mailer: git-send-email 1.7.4 In-Reply-To: <1300719658-3184-1-git-send-email-roberto.sassu@polito.it> References: <1300719658-3184-1-git-send-email-roberto.sassu@polito.it> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg="sha1"; boundary="----BB3C89EA9E7347FEE926A73309F4C2F7" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4768 Lines: 102 This is an S/MIME signed message ------BB3C89EA9E7347FEE926A73309F4C2F7 The size of the 'keysig' array is incremented of one byte in order to make room for the NULL character. The 'keysig' variable is used, in the function ecryptfs_generate_key_packet_set(), to find an authentication token with the given signature and is printed a debug message if it cannot be retrieved. Signed-off-by: Roberto Sassu --- fs/ecryptfs/ecryptfs_kernel.h | 2 +- fs/ecryptfs/keystore.c | 1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 6ea1faa..f39956a 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -233,7 +233,7 @@ ecryptfs_get_key_payload_data(struct key *key) struct ecryptfs_key_sig { struct list_head crypt_stat_list; - char keysig[ECRYPTFS_SIG_SIZE_HEX]; + char keysig[ECRYPTFS_SIG_SIZE_HEX + 1]; }; struct ecryptfs_filename { diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index 523e51d..bd139df 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -2425,6 +2425,7 @@ int ecryptfs_add_keysig(struct ecryptfs_crypt_stat *crypt_stat, char *sig) return -ENOMEM; } memcpy(new_key_sig->keysig, sig, ECRYPTFS_SIG_SIZE_HEX); + new_key_sig->keysig[ECRYPTFS_SIG_SIZE_HEX] = '\0'; /* Caller must hold keysig_list_mutex */ list_add(&new_key_sig->crypt_stat_list, &crypt_stat->keysig_list); -- 1.7.4 ------BB3C89EA9E7347FEE926A73309F4C2F7 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" MIIICQYJKoZIhvcNAQcCoIIH+jCCB/YCAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3 DQEHAaCCBWQwggVgMIIESKADAgECAgICuzANBgkqhkiG9w0BAQUFADBlMQswCQYD VQQGEwJJVDEeMBwGA1UEChMVUG9saXRlY25pY28gZGkgVG9yaW5vMTYwNAYDVQQD Ey1Qb2xpdGVjbmljbyBkaSBUb3Jpbm8gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkw HhcNMTAxMjIwMTExOTU0WhcNMTUxMjMxMjM1OTU5WjBfMQswCQYDVQQGEwJJVDEe MBwGA1UEChMVUG9saXRlY25pY28gZGkgVG9yaW5vMRcwFQYDVQQDEw5Sb2JlcnRv ICBTYXNzdTEXMBUGCgmSJomT8ixkAQETB2QwMjEzMDUwggEiMA0GCSqGSIb3DQEB AQUAA4IBDwAwggEKAoIBAQDS6p4SaJdmmJHJu9On9ZohhBFE2GgYiY7YtRnhhQJA NfOtHEhSbpUMaSOfq/Pna6ipR5nAFrlM8cOGcSHZdxrPcgzeJU7F2v1fl2ThvFOc TIkcC1aAJGQUuCaCXDlQt+KFecJWTrRZnalMHZueO+J6cgHcvR1CQz5e88dSzo3Q XZy0w/hxGL9Ht9velqsl48ohBk2rs/svAOCp6GfqT1Yxwx1p87d3ViTrmuZB4/X+ da39nJqmo6AZ/y3Zg+r91BgNcfsHVqFT0JTcG6qRIaeqTtqVYpYl+rH1rZzYCakD yQyys66sBvaXyaiMr0M+SpyH+LaGz5bDn5Odq16FYEq7AgMBAAGjggIeMIICGjAO BgNVHQ8BAf8EBAMCA/gwJwYDVR0lBCAwHgYIKwYBBQUHAwIGCCsGAQUFBwMDBggr BgEFBQcDBDAiBgNVHREEGzAZgRdyb2JlcnRvLnNhc3N1QHBvbGl0by5pdDAMBgNV HRMBAf8EAjAAMB0GA1UdDgQWBBQgKbXSXn+j769x0tsZQ9pSOzIIdDAfBgNVHSME GDAWgBTNm1tbnup2IcQQaOjSLTfbHy/I5DCBywYDVR0gBIHDMIHAMD4GCisGAQQB qQcBAQIwMDAuBggrBgEFBQcCARYiaHR0cDovL3d3dy5ldXJvcGtpLm9yZy9jYS9j cHMvMS4yLzBEBgorBgEEAakHAgECMDYwNAYIKwYBBQUHAgEWKGh0dHA6Ly93d3cu aXRhbHkuZXVyb3BraS5vcmcvY2EvY3BzLzEuMi8wOAYKKwYBBAGVYgECAjAqMCgG CCsGAQUFBwIBFhxodHRwOi8vY2EucG9saXRvLml0L2Nwcy8yLjIvMGYGCCsGAQUF BwEBBFowWDAhBggrBgEFBQcwAYYVaHR0cDovL29jc3AucG9saXRvLml0MDMGCCsG AQUFBzAChidodHRwOi8vY2EucG9saXRvLml0L2NlcnRzL3BvbGl0b19jYS5jZXIw NwYDVR0fBDAwLjAsoCqgKIYmaHR0cDovL2NhLnBvbGl0by5pdC9jcmwvcG9saXRv X2NybC5jcmwwDQYJKoZIhvcNAQEFBQADggEBADMe0aHcBJXV6pMJPVVSt1Vazd8Y LuTLO45Igs9Sb2LuaO6pvcDGvq9dEJnBhP1B+zBAK6WEA1PWb66xC4QXaJnlGZTX S3XeBivHWm6BNOH2kNeU0HBeGZCV/n5r70TPxkEAcc7u8YY2i6CiMM428YhZK8Zj oN9D3QNIRf4HZgh0FTbf8eL/XvBbK/oPC+Rew+Qql6M3DHnaS1q2SKUwwO/4VXA4 JsOdatFI68AMXH0Xx9UIcjRi+kvsyvwHlc0Z8AoAtfRMoIl4zFF4Qaowec2UunBK YlqPpFTtU9czuoEP12A86nqSVsoNok2mZOeYa9IdIjeE2rfdKx6k3YNRg08xggJt MIICaQIBATBrMGUxCzAJBgNVBAYTAklUMR4wHAYDVQQKExVQb2xpdGVjbmljbyBk aSBUb3Jpbm8xNjA0BgNVBAMTLVBvbGl0ZWNuaWNvIGRpIFRvcmlubyBDZXJ0aWZp Y2F0aW9uIEF1dGhvcml0eQICArswCQYFKw4DAhoFAKCB2DAYBgkqhkiG9w0BCQMx CwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xMTAzMjExNTAxMTNaMCMGCSqG SIb3DQEJBDEWBBQ7qUXabuUuEnd3vc1p0+lotFqCszB5BgkqhkiG9w0BCQ8xbDBq MAsGCWCGSAFlAwQBKjALBglghkgBZQMEARYwCwYJYIZIAWUDBAECMAoGCCqGSIb3 DQMHMA4GCCqGSIb3DQMCAgIAgDANBggqhkiG9w0DAgIBQDAHBgUrDgMCBzANBggq hkiG9w0DAgIBKDANBgkqhkiG9w0BAQEFAASCAQAllwvqTeOJaW5zAkPfnUy5/jZC BcUNK0aFOx2uwT+i72s0M2nkgPHLFjYqhYEsYMeLiJiQIadc7ZRPte95aQ698Mm1 mpeiAVzpPs+USFW76McZvAm48UNKsPIqKwx9eRMW9kEWpJYp2qISq/uVvqC723Dh BFR485AT+tt9VelaWDDU+dFnHLPboSDs2wvZWAVkQI76+COlKydjIJ7ukhZImi0K Ek9fQ/9aaBKzbcix0RkTeYEoCai5UaR8eDVIkYE8EyagLXPbBYBBSqwgcIwwBQYN 0i6nPhTxNruainuO0+3gqhwA2wvxkXl8d0v2eTGc4PHUcbvGy97Phi9ngaak ------BB3C89EA9E7347FEE926A73309F4C2F7-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/