From patchwork Mon Oct 18 18:31:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 12567637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE48EC43217 for ; Mon, 18 Oct 2021 18:32:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98890600EF for ; Mon, 18 Oct 2021 18:32:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231787AbhJRSeP (ORCPT ); Mon, 18 Oct 2021 14:34:15 -0400 Received: from mta-02.yadro.com ([89.207.88.252]:37022 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231590AbhJRSeL (ORCPT ); Mon, 18 Oct 2021 14:34:11 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id E49E54126D; Mon, 18 Oct 2021 18:31:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1634581917; x=1636396318; bh=YqYbkC88dF676PyZBZ1ljbTdfQ/l9pDvtIB 65CVp5oY=; b=cD5jIOzDdUoCsF4Kvk4H2pA5xYQHxk2hILe/ecq0F5T6o91dg/Y cz2G4F58HzaYgWVt4d9Ro0asDW1Ne1RxF7m8PaPrtWGoGrxV001zk69AMIu5trHh REStTdGqygBGgxiUCdSNzSBldRUw9FwumJdZ13/pFP2ykXxhiToMot8M= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BW9Rvp7edrvT; Mon, 18 Oct 2021 21:31:57 +0300 (MSK) Received: from T-EXCH-04.corp.yadro.com (t-exch-04.corp.yadro.com [172.17.100.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id B71AD4125E; Mon, 18 Oct 2021 21:31:57 +0300 (MSK) Received: from NB-591.corp.yadro.com (10.178.120.180) by T-EXCH-04.corp.yadro.com (172.17.100.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Mon, 18 Oct 2021 21:31:56 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: Mike Christie , , , Dmitry Bogdanov , Roman Bolshakov , Konstantin Shelekhin Subject: [PATCH v2 3/3] target: iscsi: control authentication per ACL Date: Mon, 18 Oct 2021 21:31:44 +0300 Message-ID: <20211018183144.8428-4-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211018183144.8428-1-d.bogdanov@yadro.com> References: <20211018183144.8428-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.178.120.180] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-04.corp.yadro.com (172.17.100.104) Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org Add acls/{ACL}/attrib/authentication attribute that controls authentication for particular ACL. By default, this attribute inherits a value of the authentication attribute of the target port group to keep backward compatibility. authentication attribute has 3 states: "0" - authentication is turned off for this ACL "1" - authentication is required for this ACL "-1" - authentication is inherited from TPG Reviewed-by: Roman Bolshakov Reviewed-by: Konstantin Shelekhin Signed-off-by: Dmitry Bogdanov --- v2: show effective value (-1) for inherited mode --- drivers/target/iscsi/iscsi_target_configfs.c | 31 +++++++++++++++++++ drivers/target/iscsi/iscsi_target_nego.c | 8 ++++- .../target/iscsi/iscsi_target_nodeattrib.c | 1 + include/target/iscsi/iscsi_target_core.h | 2 ++ 4 files changed, 41 insertions(+), 1 deletion(-) diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index e3750b64cc0c..6f204f0cedf9 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -314,6 +314,36 @@ ISCSI_NACL_ATTR(random_datain_pdu_offsets); ISCSI_NACL_ATTR(random_datain_seq_offsets); ISCSI_NACL_ATTR(random_r2t_offsets); +static ssize_t iscsi_nacl_attrib_authentication_show(struct config_item *item, + char *page) +{ + struct se_node_acl *se_nacl = attrib_to_nacl(item); + struct iscsi_node_acl *nacl = to_iscsi_nacl(se_nacl); + + return sprintf(page, "%d\n", nacl->node_attrib.authentication); +} + +static ssize_t iscsi_nacl_attrib_authentication_store(struct config_item *item, + const char *page, size_t count) +{ + struct se_node_acl *se_nacl = attrib_to_nacl(item); + struct iscsi_node_acl *nacl = to_iscsi_nacl(se_nacl); + s32 val; + int ret; + + ret = kstrtos32(page, 0, &val); + if (ret) + return ret; + if (val != 0 && val != 1 && val != NA_AUTHENTICATION_INHERITED) + return -EINVAL; + + nacl->node_attrib.authentication = val; + + return count; +} + +CONFIGFS_ATTR(iscsi_nacl_attrib_, authentication); + static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { &iscsi_nacl_attrib_attr_dataout_timeout, &iscsi_nacl_attrib_attr_dataout_timeout_retries, @@ -323,6 +353,7 @@ static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { &iscsi_nacl_attrib_attr_random_datain_pdu_offsets, &iscsi_nacl_attrib_attr_random_datain_seq_offsets, &iscsi_nacl_attrib_attr_random_r2t_offsets, + &iscsi_nacl_attrib_attr_authentication, NULL, }; diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 006fa679517a..9873c5e34206 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -813,6 +813,7 @@ static int iscsi_target_do_authentication( bool iscsi_conn_auth_required(struct iscsi_conn *conn) { + struct iscsi_node_acl *nacl; struct se_node_acl *se_nacl; if (conn->sess->sess_ops->SessionType) { @@ -839,7 +840,12 @@ bool iscsi_conn_auth_required(struct iscsi_conn *conn) pr_debug("Known ACL %s is trying to connect\n", se_nacl->initiatorname); - return conn->tpg->tpg_attrib.authentication; + + nacl = to_iscsi_nacl(se_nacl); + if (nacl->node_attrib.authentication == NA_AUTHENTICATION_INHERITED) + return conn->tpg->tpg_attrib.authentication; + + return nacl->node_attrib.authentication; } static int iscsi_target_handle_csg_zero( diff --git a/drivers/target/iscsi/iscsi_target_nodeattrib.c b/drivers/target/iscsi/iscsi_target_nodeattrib.c index e3ac247bffe8..baf1c93fa1e3 100644 --- a/drivers/target/iscsi/iscsi_target_nodeattrib.c +++ b/drivers/target/iscsi/iscsi_target_nodeattrib.c @@ -30,6 +30,7 @@ void iscsit_set_default_node_attribues( { struct iscsi_node_attrib *a = &acl->node_attrib; + a->authentication = NA_AUTHENTICATION_INHERITED; a->dataout_timeout = NA_DATAOUT_TIMEOUT; a->dataout_timeout_retries = NA_DATAOUT_TIMEOUT_RETRIES; a->nopin_timeout = NA_NOPIN_TIMEOUT; diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 21c1aaa6dae2..0913909fa765 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -26,6 +26,7 @@ struct sock; #define ISCSI_RX_THREAD_NAME "iscsi_trx" #define ISCSI_TX_THREAD_NAME "iscsi_ttx" #define ISCSI_IQN_LEN 224 +#define NA_AUTHENTICATION_INHERITED -1 /* struct iscsi_node_attrib sanity values */ #define NA_DATAOUT_TIMEOUT 3 @@ -714,6 +715,7 @@ struct iscsi_login { } ____cacheline_aligned; struct iscsi_node_attrib { + s32 authentication; u32 dataout_timeout; u32 dataout_timeout_retries; u32 default_erl;