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nbd patches for 2022-03-07

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- Dan Berrange: Allow qemu-nbd to support TLS over Unix sockets
 - Eric Blake: Minor cleanups related to 64-bit block operations
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2022-03-07' into staging

nbd patches for 2022-03-07

- Dan Berrange: Allow qemu-nbd to support TLS over Unix sockets
- Eric Blake: Minor cleanups related to 64-bit block operations

# gpg: Signature made Tue 08 Mar 2022 01:41:35 GMT
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2022-03-07:
  qemu-io: Allow larger write zeroes under no fallback
  qemu-io: Utilize 64-bit status during map
  nbd/server: Minor cleanups
  tests/qemu-iotests: validate NBD TLS with UNIX sockets and PSK
  tests/qemu-iotests: validate NBD TLS with UNIX sockets
  tests/qemu-iotests: validate NBD TLS with hostname mismatch
  tests/qemu-iotests: convert NBD TLS test to use standard filters
  tests/qemu-iotests: introduce filter for qemu-nbd export list
  tests/qemu-iotests: expand _filter_nbd rules
  tests/qemu-iotests: add QEMU_IOTESTS_REGEN=1 to update reference file
  block/nbd: don't restrict TLS usage to IP sockets
  qemu-nbd: add --tls-hostname option for TLS certificate validation
  block/nbd: support override of hostname for TLS certificate validation
  block: pass desired TLS hostname through from block driver client
  crypto: mandate a hostname when checking x509 creds on a client

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2022-03-09 11:38:29 +00:00
commit fdee2c9692
17 changed files with 268 additions and 69 deletions
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13
docs/tools/qemu-nbd.rst
View file

@ -169,6 +169,19 @@ driver options if ``--image-opts`` is specified.
option; or provide the credentials needed for connecting as a client
in list mode.
.. option:: --tls-hostname=hostname
When validating an x509 certificate received over a TLS connection,
the hostname that the NBD client used to connect will be checked
against information in the server provided certificate. Sometimes
it might be required to override the hostname used to perform this
check. For example, if the NBD client is using a tunnel from localhost
to connect to the remote server, the `--tls-hostname` option should
be used to set the officially expected hostname of the remote NBD
server. This can also be used if accessing NBD over a UNIX socket
where there is no inherent hostname available. This is only permitted
when acting as a NBD client with the `--list` option.
.. option:: --fork
Fork off the server process and exit the parent once the server is running.