[Bug 1887604] Re: Forward host UNIX socket to guest TCP port

[Thomas Huth]

This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'expired' now.
Please continue with the discussion here:

 https://gitlab.com/qemu-project/qemu/-/issues/347


** Changed in: qemu
       Status: New => Expired

** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #347
   https://gitlab.com/qemu-project/qemu/-/issues/347

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https://bugs.launchpad.net/bugs/1887604

Title:
  Forward host UNIX socket to guest TCP port

Status in QEMU:
  Expired

Bug description:
  Hello. I've been racking my brain trying to work out if this is
  possible.

  I would like to be able to forward to a guest TCP port, via a host
  UNIX socket to avoid opening a TCP port on the host. For example:

  qemu-system-i386 [...] -nic user,hostfwd=unix:/path/to/socket-:22

  and then connect to the VM like:

  ssh -o "ProxyCommand socat - unix-connect:/path/to/socket"
  user@0.0.0.0

  QEMU, as versatile as it is, doesn't appreciate my intuited syntax
  "hostfwd=unix:...". It is also unhappy with:

  qemu-system-i386 [...] \
      -chardev socket,id=foo,path=/path/to/socket,server,nowait \
      -nic user,hostfwd=chardev:foo-:22

  And:

  qemu-system-i386 [...] \
      -nic user \
      -chardev socket,id=foo,path=/path/to/socket,server,nowait \
      -chardev socket,id=foo,host=10.0.2.15,port=22

  I already found out how to connect in the opposite direction, **from**
  guest TCP to host UNIX, via guestfwd -> cmd -> socat. So I feel like
  there ought to be a way.

  If this is not yet a feature I would like to request it, and if it is,
  please tell me how!

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