From patchwork Mon Apr 18 16:49:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 12816864 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DFA6C4321E for ; Mon, 18 Apr 2022 16:50:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346425AbiDRQxA (ORCPT ); Mon, 18 Apr 2022 12:53:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346447AbiDRQwa (ORCPT ); Mon, 18 Apr 2022 12:52:30 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DBDF82BC3; Mon, 18 Apr 2022 09:49:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 70666B80FF4; Mon, 18 Apr 2022 16:49:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93B34C385AA; Mon, 18 Apr 2022 16:49:44 +0000 (UTC) Subject: [PATCH RFC 3/5] net/tls: Add an AF_TLSH address family From: Chuck Lever To: netdev@vger.kernel.org, linux-nfs@vger.kernel.org, linux-nvme@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: ak@tempesta-tech.com, borisp@nvidia.com, simo@redhat.com Date: Mon, 18 Apr 2022 12:49:43 -0400 Message-ID: <165030058340.5073.5461321687798728373.stgit@oracle-102.nfsv4.dev> In-Reply-To: <165030051838.5073.8699008789153780301.stgit@oracle-102.nfsv4.dev> References: <165030051838.5073.8699008789153780301.stgit@oracle-102.nfsv4.dev> User-Agent: StGit/1.5 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC Add definitions for an AF_TLSH address family. The next patch explains its purpose and operation. Signed-off-by: Chuck Lever Reviewed-by: Hannes Reinecke --- include/linux/socket.h | 4 +++- net/core/sock.c | 2 +- net/socket.c | 1 + security/selinux/hooks.c | 4 +++- security/selinux/include/classmap.h | 4 +++- tools/perf/trace/beauty/include/linux/socket.h | 4 +++- 6 files changed, 14 insertions(+), 5 deletions(-) diff --git a/include/linux/socket.h b/include/linux/socket.h index 6f85f5d957ef..fc28c68e6b5f 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -226,8 +226,9 @@ struct ucred { #define AF_MCTP 45 /* Management component * transport protocol */ +#define AF_TLSH 46 /* TLS handshake request */ -#define AF_MAX 46 /* For now.. */ +#define AF_MAX 47 /* For now.. */ /* Protocol families, same as address families. */ #define PF_UNSPEC AF_UNSPEC @@ -278,6 +279,7 @@ struct ucred { #define PF_SMC AF_SMC #define PF_XDP AF_XDP #define PF_MCTP AF_MCTP +#define PF_TLSH AF_TLSH #define PF_MAX AF_MAX /* Maximum queue length specifiable by listen. */ diff --git a/net/core/sock.c b/net/core/sock.c index 1180a0cb0110..81bc14b67468 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -224,7 +224,7 @@ static struct lock_class_key af_family_kern_slock_keys[AF_MAX]; x "AF_IEEE802154", x "AF_CAIF" , x "AF_ALG" , \ x "AF_NFC" , x "AF_VSOCK" , x "AF_KCM" , \ x "AF_QIPCRTR", x "AF_SMC" , x "AF_XDP" , \ - x "AF_MCTP" , \ + x "AF_MCTP" , x "AF_TLSH" , \ x "AF_MAX" static const char *const af_family_key_strings[AF_MAX+1] = { diff --git a/net/socket.c b/net/socket.c index 6887840682bb..fc43ebd5ad66 100644 --- a/net/socket.c +++ b/net/socket.c @@ -214,6 +214,7 @@ static const char * const pf_family_names[] = { [PF_SMC] = "PF_SMC", [PF_XDP] = "PF_XDP", [PF_MCTP] = "PF_MCTP", + [PF_TLSH] = "PF_TLSH", }; /* diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index e9e959343de9..734e284eb06a 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1259,7 +1259,9 @@ static inline u16 socket_type_to_security_class(int family, int type, int protoc return SECCLASS_XDP_SOCKET; case PF_MCTP: return SECCLASS_MCTP_SOCKET; -#if PF_MAX > 46 + case PF_TLSH: + return SECCLASS_TLSH_SOCKET; +#if PF_MAX > 47 #error New address family defined, please update this function. #endif } diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h index 35aac62a662e..673b51f8281d 100644 --- a/security/selinux/include/classmap.h +++ b/security/selinux/include/classmap.h @@ -237,6 +237,8 @@ struct security_class_mapping secclass_map[] = { { COMMON_SOCK_PERMS, NULL } }, { "smc_socket", { COMMON_SOCK_PERMS, NULL } }, + { "tlsh_socket", + { COMMON_SOCK_PERMS, NULL } }, { "infiniband_pkey", { "access", NULL } }, { "infiniband_endport", @@ -257,6 +259,6 @@ struct security_class_mapping secclass_map[] = { { NULL } }; -#if PF_MAX > 46 +#if PF_MAX > 47 #error New address family defined, please update secclass_map. #endif diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h index 6f85f5d957ef..fc28c68e6b5f 100644 --- a/tools/perf/trace/beauty/include/linux/socket.h +++ b/tools/perf/trace/beauty/include/linux/socket.h @@ -226,8 +226,9 @@ struct ucred { #define AF_MCTP 45 /* Management component * transport protocol */ +#define AF_TLSH 46 /* TLS handshake request */ -#define AF_MAX 46 /* For now.. */ +#define AF_MAX 47 /* For now.. */ /* Protocol families, same as address families. */ #define PF_UNSPEC AF_UNSPEC @@ -278,6 +279,7 @@ struct ucred { #define PF_SMC AF_SMC #define PF_XDP AF_XDP #define PF_MCTP AF_MCTP +#define PF_TLSH AF_TLSH #define PF_MAX AF_MAX /* Maximum queue length specifiable by listen. */