From patchwork Wed Sep 26 20:47:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 10616789 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C2FDC14BD for ; Wed, 26 Sep 2018 20:47:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B3F492B6CF for ; Wed, 26 Sep 2018 20:47:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A7E0A2B76E; Wed, 26 Sep 2018 20:47:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 62BA42B6CF for ; Wed, 26 Sep 2018 20:47:41 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 5A05E211597FF; Wed, 26 Sep 2018 13:47:41 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.120; helo=mga04.intel.com; envelope-from=dave.jiang@intel.com; receiver=linux-nvdimm@lists.01.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 63C19211597FB for ; Wed, 26 Sep 2018 13:47:39 -0700 (PDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Sep 2018 13:47:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,307,1534834800"; d="scan'208";a="93993956" Received: from djiang5-desk3.ch.intel.com ([143.182.136.93]) by orsmga001.jf.intel.com with ESMTP; 26 Sep 2018 13:47:06 -0700 Subject: [PATCH v10 04/12] keys: export lookup_user_key to external users From: Dave Jiang To: dan.j.williams@intel.com Date: Wed, 26 Sep 2018 13:47:06 -0700 Message-ID: <153799482596.71621.1758872314488292531.stgit@djiang5-desk3.ch.intel.com> In-Reply-To: <153799466529.71621.10728628542331983376.stgit@djiang5-desk3.ch.intel.com> References: <153799466529.71621.10728628542331983376.stgit@djiang5-desk3.ch.intel.com> User-Agent: StGit/unknown-version MIME-Version: 1.0 X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alison.schofield@intel.com, keescook@chromium.org, linux-nvdimm@lists.01.org, ebiggers3@gmail.com, dhowells@redhat.com, keyrings@vger.kernel.org Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP Export lookup_user_key() symbol in order to allow nvdimm passphrase update to retrieve user injected keys. Signed-off-by: Dave Jiang Acked-by: David Howells --- include/linux/key.h | 3 +++ security/keys/internal.h | 2 -- security/keys/process_keys.c | 1 + 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/key.h b/include/linux/key.h index e58ee10f6e58..7099985e35a9 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -346,6 +346,9 @@ static inline key_serial_t key_serial(const struct key *key) extern void key_set_timeout(struct key *, unsigned); +extern key_ref_t lookup_user_key(key_serial_t id, unsigned long flags, + key_perm_t perm); + /* * The permissions required on a key that we're looking up. */ diff --git a/security/keys/internal.h b/security/keys/internal.h index 9f8208dc0e55..9968b21a76dd 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -158,8 +158,6 @@ extern struct key *request_key_and_link(struct key_type *type, extern bool lookup_user_key_possessed(const struct key *key, const struct key_match_data *match_data); -extern key_ref_t lookup_user_key(key_serial_t id, unsigned long flags, - key_perm_t perm); #define KEY_LOOKUP_CREATE 0x01 #define KEY_LOOKUP_PARTIAL 0x02 #define KEY_LOOKUP_FOR_UNLINK 0x04 diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c index d5b25e535d3a..ec4fd4531224 100644 --- a/security/keys/process_keys.c +++ b/security/keys/process_keys.c @@ -755,6 +755,7 @@ key_ref_t lookup_user_key(key_serial_t id, unsigned long lflags, put_cred(ctx.cred); goto try_again; } +EXPORT_SYMBOL(lookup_user_key); /* * Join the named keyring as the session keyring if possible else attempt to