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From: Chuck Lever <chuck.lever@oracle.com>
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
Subject: [PATCH RFC 00/15] Prototype implementation of RPC-with-TLS
Date: Mon, 18 Apr 2022 12:51:06 -0400	[thread overview]
Message-ID: <165030062272.5246.16956092606399079004.stgit@oracle-102.nfsv4.dev> (raw)

This series implements RPC-with-TLS in the Linux kernel:

https://datatracker.ietf.org/doc/draft-ietf-nfsv4-rpc-tls/

This prototype is based on the previously posted mechanism for
providing a TLS handshake facility to in-kernel TLS consumers.

For the purpose of demonstration, the Linux NFS client is modified
to add a new mount option: xprtsec = [ none|auto|tls ] . Updates
to the nfs(5) man page are being developed separately.

The new mount option enables client administrators to require in-
transit encryption for their NFS traffic, protecting the weak
security of AUTH_SYS. An x.509 certificate is not required on the
client for this protection.

This prototype has been tested against prototype TLS-capable NFS
servers. The Linux NFS server itself does not yet have support for
RPC-with-TLS, but it is planned.

At a later time, the Linux NFS client will also get support for
x.509 authentication (for which a certificate will be required on
the client) and PSK. For this demonstration, only authentication-
less TLS (encryption-only) is supported.

---

Chuck Lever (15):
      SUNRPC: Replace dprintk() call site in xs_data_ready
      SUNRPC: Ignore data_ready callbacks during TLS handshakes
      SUNRPC: Capture cmsg metadata on client-side receive
      SUNRPC: Fail faster on bad verifier
      SUNRPC: Widen rpc_task::tk_flags
      SUNRPC: Add RPC client support for the RPC_AUTH_TLS authentication flavor
      SUNRPC: Refactor rpc_call_null_helper()
      SUNRPC: Add RPC_TASK_CORK flag
      SUNRPC: Add a cl_xprtsec_policy field
      SUNRPC: Expose TLS policy via the rpc_create() API
      SUNRPC: Add infrastructure for async RPC_AUTH_TLS probe
      SUNRPC: Add FSM machinery to handle RPC_AUTH_TLS on reconnect
      NFS: Replace fs_context-related dprintk() call sites with tracepoints
      NFS: Have struct nfs_client carry a TLS policy field
      NFS: Add an "xprtsec=" NFS mount option


 fs/nfs/client.c                 |  22 ++++
 fs/nfs/fs_context.c             |  70 ++++++++--
 fs/nfs/internal.h               |   2 +
 fs/nfs/nfs3client.c             |   1 +
 fs/nfs/nfs4client.c             |  16 ++-
 fs/nfs/nfstrace.h               |  77 +++++++++++
 fs/nfs/super.c                  |  10 ++
 include/linux/nfs_fs_sb.h       |   7 +-
 include/linux/sunrpc/auth.h     |   1 +
 include/linux/sunrpc/clnt.h     |  14 +-
 include/linux/sunrpc/sched.h    |  36 +++---
 include/linux/sunrpc/xprt.h     |  14 ++
 include/linux/sunrpc/xprtsock.h |   2 +
 include/net/tls.h               |   2 +
 include/trace/events/sunrpc.h   | 157 ++++++++++++++++++++--
 net/sunrpc/Makefile             |   2 +-
 net/sunrpc/auth.c               |   2 +
 net/sunrpc/auth_tls.c           | 117 +++++++++++++++++
 net/sunrpc/clnt.c               | 222 +++++++++++++++++++++++++++++---
 net/sunrpc/debugfs.c            |   2 +-
 net/sunrpc/xprt.c               |   3 +
 net/sunrpc/xprtsock.c           | 211 +++++++++++++++++++++++++++++-
 22 files changed, 920 insertions(+), 70 deletions(-)
 create mode 100644 net/sunrpc/auth_tls.c

--
Chuck Lever


             reply	other threads:[~2022-04-18 16:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-18 16:51 Chuck Lever [this message]
2022-04-18 16:51 ` [PATCH RFC 01/15] SUNRPC: Replace dprintk() call site in xs_data_ready Chuck Lever
2022-04-18 16:51 ` [PATCH RFC 02/15] SUNRPC: Ignore data_ready callbacks during TLS handshakes Chuck Lever
2022-04-18 16:51 ` [PATCH RFC 03/15] SUNRPC: Capture cmsg metadata on client-side receive Chuck Lever
2022-04-18 16:51 ` [PATCH RFC 04/15] SUNRPC: Fail faster on bad verifier Chuck Lever
2022-04-18 16:51 ` [PATCH RFC 05/15] SUNRPC: Widen rpc_task::tk_flags Chuck Lever
2022-04-18 16:51 ` [PATCH RFC 06/15] SUNRPC: Add RPC client support for the RPC_AUTH_TLS authentication flavor Chuck Lever
2022-04-18 16:51 ` [PATCH RFC 07/15] SUNRPC: Refactor rpc_call_null_helper() Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 08/15] SUNRPC: Add RPC_TASK_CORK flag Chuck Lever
2022-04-19  2:57   ` Trond Myklebust
2022-04-19 18:16     ` Chuck Lever III
2022-04-19 19:04       ` Trond Myklebust
2022-04-19 19:40         ` Chuck Lever III
2022-04-19 22:08           ` Trond Myklebust
2022-04-20  0:34             ` Chuck Lever III
2022-04-18 16:52 ` [PATCH RFC 09/15] SUNRPC: Add a cl_xprtsec_policy field Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 10/15] SUNRPC: Expose TLS policy via the rpc_create() API Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 11/15] SUNRPC: Add infrastructure for async RPC_AUTH_TLS probe Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 12/15] SUNRPC: Add FSM machinery to handle RPC_AUTH_TLS on reconnect Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 13/15] NFS: Replace fs_context-related dprintk() call sites with tracepoints Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 14/15] NFS: Have struct nfs_client carry a TLS policy field Chuck Lever
2022-04-18 16:52 ` [PATCH RFC 15/15] NFS: Add an "xprtsec=" NFS mount option Chuck Lever
2022-04-19  3:31 ` [PATCH RFC 00/15] Prototype implementation of RPC-with-TLS Trond Myklebust
2022-04-19 16:00   ` Chuck Lever III
2022-04-19 18:48     ` Trond Myklebust
2022-04-19 18:53       ` Chuck Lever III
2022-04-19 20:49         ` Rick Macklem

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