From mboxrd@z Thu Jan 1 00:00:00 1970 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 691A5C4332F for ; Mon, 25 Oct 2021 13:05:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4974460F0F for ; Mon, 25 Oct 2021 13:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233441AbhJYNHa (ORCPT ); Mon, 25 Oct 2021 09:07:30 -0400 Received: from out30-44.freemail.mail.aliyun.com ([115.124.30.44]:60607 "EHLO out30-44.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233435AbhJYNHZ (ORCPT ); Mon, 25 Oct 2021 09:07:25 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=tianjia.zhang@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0UterkeI_1635167100; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0UterkeI_1635167100) by smtp.aliyun-inc.com(127.0.0.1); Mon, 25 Oct 2021 21:05:01 +0800 From: Tianjia Zhang To: "David S. Miller" , Jakub Kicinski , Boris Pismenny , John Fastabend , Daniel Borkmann , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Tianjia Zhang Subject: [PATCH] net/tls: getsockopt supports complete algorithm list Date: Mon, 25 Oct 2021 21:05:00 +0800 Message-Id: <20211025130500.93077-1-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.3.ge56e4f7 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org AES_CCM_128 and CHACHA20_POLY1305 are already supported by tls, similar to setsockopt, getsockopt also needs to support these two algorithms. Signed-off-by: Tianjia Zhang --- net/tls/tls_main.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index d44399efeac6..278192ee133e 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -421,6 +421,48 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval, rc = -EFAULT; break; } + case TLS_CIPHER_AES_CCM_128: { + struct tls12_crypto_info_aes_ccm_128 *aes_ccm_128 = + container_of(crypto_info, + struct tls12_crypto_info_aes_ccm_128, info); + + if (len != sizeof(*aes_ccm_128)) { + rc = -EINVAL; + goto out; + } + lock_sock(sk); + memcpy(aes_ccm_128->iv, + cctx->iv + TLS_CIPHER_AES_CCM_128_SALT_SIZE, + TLS_CIPHER_AES_CCM_128_IV_SIZE); + memcpy(aes_ccm_128->rec_seq, cctx->rec_seq, + TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE); + release_sock(sk); + if (copy_to_user(optval, aes_ccm_128, sizeof(*aes_ccm_128))) + rc = -EFAULT; + break; + } + case TLS_CIPHER_CHACHA20_POLY1305: { + struct tls12_crypto_info_chacha20_poly1305 *chacha20_poly1305 = + container_of(crypto_info, + struct tls12_crypto_info_chacha20_poly1305, + info); + + if (len != sizeof(*chacha20_poly1305)) { + rc = -EINVAL; + goto out; + } + lock_sock(sk); + memcpy(chacha20_poly1305->iv, + cctx->iv + TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE, + TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE); + memcpy(chacha20_poly1305->rec_seq, cctx->rec_seq, + TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE); + release_sock(sk); + if (copy_to_user(optval, chacha20_poly1305, + sizeof(*chacha20_poly1305))) + rc = -EFAULT; + break; + } case TLS_CIPHER_SM4_GCM: { struct tls12_crypto_info_sm4_gcm *sm4_gcm_info = container_of(crypto_info, -- 2.19.1.3.ge56e4f7