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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4644C43217 for ; Thu, 3 Feb 2022 20:36:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354369AbiBCUgH (ORCPT ); Thu, 3 Feb 2022 15:36:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354297AbiBCUde (ORCPT ); Thu, 3 Feb 2022 15:33:34 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BF15C06174A; Thu, 3 Feb 2022 12:33:03 -0800 (PST) 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 dfw.source.kernel.org (Postfix) with ESMTPS id DED4761A04; Thu, 3 Feb 2022 20:33:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A9E1C340EB; Thu, 3 Feb 2022 20:33:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643920382; bh=SeiQ8rRzQyBwPXJWscgWn7Gf9uDRWBYWJf02DAfTknA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Nhd3Vmefoot7nfOVf5u9xgHshOyJ5pdrcWO1pTFCgSV7JwZhiD44uBMFolDwm12wF Z+pYBFv/ZzTIA36OheD3GMundpwXSXXsu+IKmi2vNSyDEg0Zn1RMe3s8FIoMeufKFs PIdRbyug+CNUgUosFoX2ahcghjCbO/0xC3vXxCTgFaZoudYIlDXcEs+rWg1x0cv1gX XUszZ5gl7hxcsGtxArjv26/88AWAHqzoB+N8l3wZ9fNtec1Ibbg4yW8ewoSlyjazyy QyKwGDzcrBPyJLtrboUggoCPikP2qjfd7DFG0peC8xasT6w5mDtg0G8sPn8teD3xvt Ake/bYG4jm/qw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Olga Kornievskaia , Anna Schumaker , Sasha Levin , trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, linux-nfs@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 10/41] NFSv4 handle port presence in fs_location server string Date: Thu, 3 Feb 2022 15:32:14 -0500 Message-Id: <20220203203245.3007-10-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220203203245.3007-1-sashal@kernel.org> References: <20220203203245.3007-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Olga Kornievskaia [ Upstream commit a8d54baba7c65db2d3278873def61f8d3753d766 ] An fs_location attribute returns a string that can be ipv4, ipv6, or DNS name. An ip location can have a port appended to it and if no port is present a default port needs to be set. If rpc_pton() fails to parse, try calling rpc_uaddr2socaddr() that can convert an universal address. Signed-off-by: Olga Kornievskaia Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/nfs4_fs.h | 2 +- fs/nfs/nfs4namespace.c | 17 +++++++++++------ 2 files changed, 12 insertions(+), 7 deletions(-) diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 0eb8e5d2ec395..f8672a34fd635 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -282,7 +282,7 @@ int nfs4_submount(struct fs_context *, struct nfs_server *); int nfs4_replace_transport(struct nfs_server *server, const struct nfs4_fs_locations *locations); size_t nfs_parse_server_name(char *string, size_t len, struct sockaddr *sa, - size_t salen, struct net *net); + size_t salen, struct net *net, int port); /* nfs4proc.c */ extern int nfs4_handle_exception(struct nfs_server *, int, struct nfs4_exception *); extern int nfs4_async_handle_error(struct rpc_task *task, diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c index f1ed4f60a7f33..3680c8da510c9 100644 --- a/fs/nfs/nfs4namespace.c +++ b/fs/nfs/nfs4namespace.c @@ -165,15 +165,20 @@ static int nfs4_validate_fspath(struct dentry *dentry, } size_t nfs_parse_server_name(char *string, size_t len, struct sockaddr *sa, - size_t salen, struct net *net) + size_t salen, struct net *net, int port) { ssize_t ret; ret = rpc_pton(net, string, len, sa, salen); if (ret == 0) { - ret = nfs_dns_resolve_name(net, string, len, sa, salen); - if (ret < 0) - ret = 0; + ret = rpc_uaddr2sockaddr(net, string, len, sa, salen); + if (ret == 0) { + ret = nfs_dns_resolve_name(net, string, len, sa, salen); + if (ret < 0) + ret = 0; + } + } else if (port) { + rpc_set_port(sa, port); } return ret; } @@ -328,7 +333,7 @@ static int try_location(struct fs_context *fc, nfs_parse_server_name(buf->data, buf->len, &ctx->nfs_server.address, sizeof(ctx->nfs_server._address), - fc->net_ns); + fc->net_ns, 0); if (ctx->nfs_server.addrlen == 0) continue; @@ -496,7 +501,7 @@ static int nfs4_try_replacing_one_location(struct nfs_server *server, continue; salen = nfs_parse_server_name(buf->data, buf->len, - sap, addr_bufsize, net); + sap, addr_bufsize, net, 0); if (salen == 0) continue; rpc_set_port(sap, NFS_PORT); -- 2.34.1