[Bug 2321] please add a symbol to ControlPath, which expands to (a hash of) the identity

[bugzilla-daemon at mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2321

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |djm at mindrot.org
         Resolution|---                         |WONTFIX

--- Comment #1 from Damien Miller <djm at mindrot.org> ---
I don't think this is particularly useful - you could achieve your goal
using Host sections in ssh_config and there are a few corner cases that
would make this fiddly and fragile if implemented.

E.g. it might have some use if there was only one key supplied, but it
is confusing if multiple keys are available. ssh wouldn't know which
one would be successful at startup and would need to remember which and
pass it through to the mux socket creation later.

Worse, it's possible to authenticate using multiple public keys. Which
should be included in this case?

There are too many caveats and corner cases to justify this change's
limited usefulness, sorry.

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