From patchwork Wed Jun 19 20:40:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Snitzer X-Patchwork-Id: 13704515 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2EEA158D6C for ; Wed, 19 Jun 2024 20:40:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718829639; cv=none; b=tGcDDHG2gnYXwlhV7B2+cCU/P98POG9mk8MGZQNSRpMz1bCE2yJtGfU9sJ5EiEUmpYSZCL0ofZAReuhJqmU4EcNnjwACbVRYchzU5F1dIz5pOF7CoF/Y9dOk/ETrBEmuF3QZMwsHOMTIVbI7GmfvsrdNAucYrHdKNKYuSCxFrOM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718829639; c=relaxed/simple; bh=tmkERfoTUiJ8+89vv7FT3X2MSkEEVlz9hWozpswzLCE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LiXiCC4XAlhFDufQWwH3yccIwwR5OP+1TFY+8AFQDwYotk7Lz5CyNxI2MMGp3s5XwY5Clhn0f8ggH26+ZTG1rNmsepPrl9GZxDcqVnhhOhy1OpE53kOrc7ymrDOdRcjWVWzFhS8qvgwLTM4ULp+Zum7hOmbLXYiGcdbW5ywGwqc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mIAuy/RV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mIAuy/RV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65966C4AF0A; Wed, 19 Jun 2024 20:40:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718829639; bh=tmkERfoTUiJ8+89vv7FT3X2MSkEEVlz9hWozpswzLCE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mIAuy/RVaMBMNI81Pn1DV1od4+xzQkWnac/kPvrN7ksJl/mSbbc+jMId2Ts3Kt8DL Mzf0foQNPk6HJ6Fj9Eiy41LIz2nRJZaXoyqKgJ6iGeiHs2WZ9bCJF19F+k8gS4NhsE AYfbzvGxmnWJ5LEqITrzTxOYzNWDWAjDvXZigmnLfitTp41cyHNU+OmbCthw22W6lN pBxBaEy/Goixgwf9otzrKgujIkJnPTMkQRBAbbO2Mcyb7P8LstSZx15FyzB7WqPOrH CrgieoJNor3pyzhrHe6sDPGgKBHN92AWgoGnL7WaCLknMf+aRfbk4qyUtAH4LnFaCg cqymb3ymw96kg== From: Mike Snitzer To: linux-nfs@vger.kernel.org Cc: Jeff Layton , Chuck Lever , Trond Myklebust , NeilBrown , snitzer@hammerspace.com Subject: [PATCH v6 04/18] sunrpc: add rpcauth_map_to_svc_cred_local Date: Wed, 19 Jun 2024 16:40:18 -0400 Message-ID: <20240619204032.93740-5-snitzer@kernel.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240619204032.93740-1-snitzer@kernel.org> References: <20240619204032.93740-1-snitzer@kernel.org> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Weston Andros Adamson Add new funtion rpcauth_map_to_svc_cred_local which maps a generic cred to a svc_cred suitable for use in nfsd. This is needed by the localio code to map nfs client creds to nfs server credentials. Signed-off-by: Weston Andros Adamson Signed-off-by: Lance Shelton Signed-off-by: Trond Myklebust Signed-off-by: Mike Snitzer --- include/linux/sunrpc/auth.h | 4 ++++ net/sunrpc/auth.c | 15 +++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h index 61e58327b1aa..872f594a924c 100644 --- a/include/linux/sunrpc/auth.h +++ b/include/linux/sunrpc/auth.h @@ -11,6 +11,7 @@ #define _LINUX_SUNRPC_AUTH_H #include +#include #include #include @@ -184,6 +185,9 @@ int rpcauth_uptodatecred(struct rpc_task *); int rpcauth_init_credcache(struct rpc_auth *); void rpcauth_destroy_credcache(struct rpc_auth *); void rpcauth_clear_credcache(struct rpc_cred_cache *); +void rpcauth_map_to_svc_cred_local(struct rpc_auth *, + const struct cred *, + struct svc_cred *); char * rpcauth_stringify_acceptor(struct rpc_cred *); static inline diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 04534ea537c8..00f12ca779c5 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -308,6 +308,21 @@ rpcauth_init_credcache(struct rpc_auth *auth) } EXPORT_SYMBOL_GPL(rpcauth_init_credcache); +void +rpcauth_map_to_svc_cred_local(struct rpc_auth *auth, const struct cred *cred, + struct svc_cred *svc) +{ + svc->cr_uid = cred->uid; + svc->cr_gid = cred->gid; + svc->cr_flavor = auth->au_flavor; + if (cred->group_info) + svc->cr_group_info = get_group_info(cred->group_info); + /* These aren't relevant for local (network is bypassed) */ + svc->cr_principal = NULL; + svc->cr_gss_mech = NULL; +} +EXPORT_SYMBOL_GPL(rpcauth_map_to_svc_cred_local); + char * rpcauth_stringify_acceptor(struct rpc_cred *cred) {