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[23.128.96.18]) by mx.google.com with ESMTP id w13si1647861edx.449.2021.06.02.03.02.10; Wed, 02 Jun 2021 03:02:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@vastdata.com header.s=google header.b=M0RckkE1; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231722AbhFBJhq (ORCPT + 99 others); Wed, 2 Jun 2021 05:37:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229583AbhFBJhp (ORCPT ); Wed, 2 Jun 2021 05:37:45 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D45AFC061574 for ; Wed, 2 Jun 2021 02:36:02 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id x38so2332038lfa.10 for ; Wed, 02 Jun 2021 02:36:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vastdata.com; s=google; h=mime-version:from:date:message-id:subject:to; bh=XX8vd85HZ2VaEUDD0esENfGpcXi16wW+VEMTVGIKv7w=; b=M0RckkE1Da89NxaFwon22C9bzZDVphZTXDZZNjm0rzfB8+r8hL+XQLmp2fi3fd8MPL fmj1iUFuSeizuojnOqCH562VlOnjHOJifOOq5TUyqJMxD6Hh/FdHLaL1DBhmz/CBUgNZ 5cmqCVigrcPb06KiwXo3RV7NTP4sAVN5S5gwVBCf1ul1PWYKFSzFhTog6FcsYsMnD3Xp J89xSWNyLNwiO+KPoQS11GN9j3jwWSI5dnKpcz5EktxvniNhGslrr/qFsPCgBGHAala8 E9UhXsODAtWqyUIrSqUCttM/QiEqopLElnPi62nBHyXkoyJGRsJQlBv60nDoGKRNyPE8 RDWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=XX8vd85HZ2VaEUDD0esENfGpcXi16wW+VEMTVGIKv7w=; b=qIoIgg1qf+zymjP8f30L1uTMrLfkGum/QZBflWHCWMe048iF1tKUZ1OxNKcCH/34va t9l7EJyQm0EIY+d75TwVN/gt5v4ZVYg5pUiMZdLXfTnF570HHgMOkpzZ8qMI0FU/e8cU JJrGse3z7S5itbIWkiesYG3awqHA2zmzmkI5444SXZTRzb71eylS1Bojg3QI5i2AHWey AGlmH3nlPrvoHqImge9ax6bOPciFypvscdOAX5YmLAiXCkeFtl5P4T6uNSL1w9HStetH OrgiRz1qbbyKMHRcKsxlx2btxePXizg3KRBrTbNKgZVac/psxK9V9akuQmHK1IgB0uxX i1zA== X-Gm-Message-State: AOAM532E2VVK2rxyll8CFpAl2KxPJ1gGOyMGgnFoLbl08o/9hZ6gvcbc i1L7Vb1i2IbQlDL/JpUqIuHVD51aGs/udWqVPbyJdcEu1jbebg== X-Received: by 2002:a05:6512:603:: with SMTP id b3mr6651288lfe.376.1622626561017; Wed, 02 Jun 2021 02:36:01 -0700 (PDT) MIME-Version: 1.0 From: Volodymyr Khomenko Date: Wed, 2 Jun 2021 12:35:50 +0300 Message-ID: Subject: pynfs: rpc AuthGss.init_cred fails on missing attrs/wrong usage of gssapi (nfs4 client) To: linux-nfs@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Using the latest pynfs (from git) with python-gssapi 0.6.4. Trying to test NFS4 client with flavor=rpc.RPCSEC_GSS from python: opts=... opts.flavor=rpc.RPCSEC_GSS self.env = environment.Environment(opts) Getting 'AttributeError' from different places. Stack trace1: nfs4/nfs4_client.py:61: in __init__ self.env = environment.Environment(opts) lib/python3.6/site-packages/nfs4/server41tests/environment.py:128: in __init__ krb5_cred = AuthGss().init_cred(call, target="nfs@%s" % opts.server) lib/python3.6/site-packages/rpc/security.py:249: AttributeError > target = gssapi.Name(target, gssapi.NT_HOSTBASED_SERVICE) E AttributeError: module 'gssapi' has no attribute 'NT_HOSTBASED_SERVICE' For this error, in python-gssapi-0.6.4/gssapi/__init__.py I see that correct name for this attribute is 'C_NT_HOSTBASED_SERVICE' (not 'NT_HOSTBASED_SERVICE'): C_NT_HOSTBASED_SERVICE = bindings.C.GSS_C_NT_HOSTBASED_SERVICE Stack trace2: nfs4/nfs4_client.py:61: in __init__ self.env = environment.Environment(opts) lib/python3.6/site-packages/nfs4/server41tests/environment.py:128: in __init__ krb5_cred = AuthGss().init_cred(call, target="nfs@%s" % opts.server) lib/python3.6/site-packages/rpc/security.py:267: AttributeError > token = context.init(target, token, gss_cred) E AttributeError: 'Context' object has no attribute 'init' For this error, in python-gssapi-0.6.4/gssapi/ctx.py file I see that the 'Context' class __init__ method has no parameters, init() method is really missing. I suspect that python-gssapi was changed or I'm using the wrong version/code of the gssapi library. I tried to use the old gssapi lib version (before fork) - gssapi-1.6.13 - but I get similar errors. 'README' file for pynfs says that we need the 'python3-gssapi' package, but it is missing in the repository, so I have to install it manually. Please advise what gssapi python library version is proven to work with pynfs. Thanks!