diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2023-04-20 13:56:24 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-04-27 18:49:24 -0400 |
| commit | b3cbf98e2fdf3cb147a95161560cd25987284330 (patch) | |
| tree | cf08005abc4b034ba5a9b0a1c229dcb83b128325 /net/sunrpc/svcauth_unix.c | |
| parent | 22b620ec0bf454cfd1c464f57cfce9afb3fb1e70 (diff) | |
| download | linux-b3cbf98e2fdf3cb147a95161560cd25987284330.tar.gz linux-b3cbf98e2fdf3cb147a95161560cd25987284330.tar.bz2 linux-b3cbf98e2fdf3cb147a95161560cd25987284330.zip | |
SUNRPC: Support TLS handshake in the server-side TCP socket code
This patch adds opportunitistic RPC-with-TLS to the Linux in-kernel
NFS server. If the client requests RPC-with-TLS and the user space
handshake agent is running, the server will set up a TLS session.
There are no policy settings yet. For example, the server cannot
yet require the use of RPC-with-TLS to access its data.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/svcauth_unix.c')
| -rw-r--r-- | net/sunrpc/svcauth_unix.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index 4485088ce27b..174783f804fa 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -17,8 +17,9 @@ #include <net/ipv6.h> #include <linux/kernel.h> #include <linux/user_namespace.h> -#define RPCDBG_FACILITY RPCDBG_AUTH +#include <trace/events/sunrpc.h> +#define RPCDBG_FACILITY RPCDBG_AUTH #include "netns.h" @@ -832,6 +833,7 @@ svcauth_tls_accept(struct svc_rqst *rqstp) { struct xdr_stream *xdr = &rqstp->rq_arg_stream; struct svc_cred *cred = &rqstp->rq_cred; + struct svc_xprt *xprt = rqstp->rq_xprt; u32 flavor, len; void *body; __be32 *p; @@ -865,14 +867,19 @@ svcauth_tls_accept(struct svc_rqst *rqstp) if (cred->cr_group_info == NULL) return SVC_CLOSE; - if (rqstp->rq_xprt->xpt_ops->xpo_start_tls) { + if (xprt->xpt_ops->xpo_handshake) { p = xdr_reserve_space(&rqstp->rq_res_stream, XDR_UNIT * 2 + 8); if (!p) return SVC_CLOSE; + trace_svc_tls_start(xprt); *p++ = rpc_auth_null; *p++ = cpu_to_be32(8); memcpy(p, "STARTTLS", 8); + + set_bit(XPT_HANDSHAKE, &xprt->xpt_flags); + svc_xprt_enqueue(xprt); } else { + trace_svc_tls_unavailable(xprt); if (xdr_stream_encode_opaque_auth(&rqstp->rq_res_stream, RPC_AUTH_NULL, NULL, 0) < 0) return SVC_CLOSE; |