[Bug 1779447] Re: SLIRP SMB silently fails with MacOS smbd

[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/153


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

** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #153
   https://gitlab.com/qemu-project/qemu/-/issues/153

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https://bugs.launchpad.net/bugs/1779447

Title:
  SLIRP SMB silently fails with MacOS smbd

Status in QEMU:
  Expired

Bug description:
  When using the -net 
user,id=net0,ipv6=off,smb=/path/to/share/option,hostfwd=tcp::19500-:22 I can 
successfully mount_smbfs the shared directory on the guest when QEMU is running 
on a Linux or FreeBSD host. However, on a MacOS host the mount_smbfs command 
just fails with
  `mount_smbfs: unable to open connection: syserr = Connection reset by peer`.
  After some debugging it turns out this is because the smbd shipped by macos 
is incompatible and doesn't use the same config file/command line arguments.

  I have since got it working by compiling the sources form samba.org
  and using the --smbd= configure option pointing to that binary.

  Would it be possible to print a warning message or even better abort
  the launch saying smbd is incompatible with QEMU if the -smb= flag is
  passed? It appears that smbd should die with an error code on invalid
  arguments so QEMU should be able to report that.

  
  This was happening with QEMU built from git sources at 
c1c2a435905ae76b159c573b0c0d6f095b45ebc6.

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