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rosstimothy 9b22af6a5e SSH request tracing (#14124 )

* SSH request tracing

Add tracing support for ssh global requests and  channels. Wrappers
for `ssh.Client`, `ssh.Channel`, and `ssh.NewChannel` provide a
mechanism for tracing context to be propagated via a `context.Context`.

In order to maintain backwards compatibility the ssh.Client wrapper
tries to open a TracingChannel when constructed. Any servers that
don't support tracing will reject the unknown channel. The client
will only provide tracing context to servers which do NOT reject
the TracingChannel request.

In order to include pass tracing context along all ssh payloads
are wrapped in an Envelope that includes the original payload
AND any tracing context. Servers now try to unmarshal all payloads
into said Envelope when processing messages. If there is an Envelope
provided, a new span will be created and the original payload will
be pass along to handlers.

Part of #12241

2022-07-27 14:56:06 +00:00

aws

oss fuzz integration (#13473 )

2022-06-18 21:28:07 +00:00

keypaths

tsh: Also create a PuTTY PPK-formatted keypair on login (#12733 )

2022-07-11 23:31:06 +00:00

sshutils

SSH request tracing (#14124 )

2022-07-27 14:56:06 +00:00

tlsutils

u2f: add optional attestation cert validation (#6057 )