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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-09-06 23:05:26 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2023-09-27 22:16:40 +0300 |
| commit | 5623ecfcbec165f040a23248d39680f0cc5c0854 (patch) | |
| tree | d9f06f6152942a54996062b877f7c27079c09d89 /net/sunrpc/clnt.c | |
| parent | 6465e260f48790807eef06b583b38ca9789b6072 (diff) | |
| download | linux-5623ecfcbec165f040a23248d39680f0cc5c0854.tar.xz | |
SUNRPC: Fail quickly when server does not recognize TLS
rpcauth_checkverf() should return a distinct error code when a
server recognizes the AUTH_TLS probe but does not support TLS so
that the client's header decoder can respond appropriately and
quickly. No retries are necessary is in this case, since the server
has already affirmatively answered "TLS is unsupported".
Suggested-by: Trond Myklebust <trondmy@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 37b0b212b934..ea12ed3c70ba 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2725,7 +2725,15 @@ out_unparsable: out_verifier: trace_rpc_bad_verifier(task); - goto out_garbage; + switch (error) { + case -EPROTONOSUPPORT: + goto out_err; + case -EACCES: + /* Re-encode with a fresh cred */ + fallthrough; + default: + goto out_garbage; + } out_msg_denied: error = -EACCES; |