** Description changed:
[Impact]
Endpoints that have been updated with python 3.8 seem to cause issues
with sshuttle.
[Test Case]
Client
$ python3 --version
Python 3.8.2
$ lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
$ apt-cache policy sshuttle
sshuttle:
Installed: 0.78.5-1
Candidate: 0.78.5-1
Server
$ python3 --version
Python 3.8.2
$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
$ apt-cache policy openssh-server
openssh-server:
Installed: 1:8.2p1-4
Candidate: 1:8.2p1-4
$ sshuttle -r ubuntu@{ip-addr} {subnet-1} {subnet-2}
assembler.py:3: DeprecationWarning: the imp module is deprecated in favour of
importlib; see the module's documentation for alternative uses
client: Connected.
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "assembler.py", line 38, in <module>
File "sshuttle.server", line 298, in main
File "/usr/lib/python3.8/socket.py", line 544, in fromfd
return socket(family, type, proto, nfd)
File "/usr/lib/python3.8/socket.py", line 231, in __init__
_socket.socket.__init__(self, family, type, proto, fileno)
OSError: [Errno 88] Socket operation on non-socket
client: fatal: server died with error code 1
[Regression Potential]
- * python 2 has been dropped (support-wise) in Focal.
+ Regression potential is 'low'.
+
+ * In Focal/20.04 LTS, the python included in the base system is Python
+ 3.8.
+
+ * Python 2.7 has been moved to universe and is not included by default
+ in any new installations.
* This fix is actually fixing a regression itself.
This regression was introduced in python 3.8 by bpo#35415 [2], which
restricts socket.fromfd() calls to provide valid socket family file descriptors.
[Other Info]
https://github.com/sshuttle/sshuttle/issues/381
https://bugs.python.org/issue39685
https://bugs.python.org/issue35415
[Original Description]
Client
$ python3 --version
Python 3.8.2
$ lsb_release -rd
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
$ apt-cache policy sshuttle
sshuttle:
Installed: 0.78.5-1
Candidate: 0.78.5-1
Server
$ python3 --version
Python 3.8.2
$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
$ apt-cache policy openssh-server
openssh-server:
Installed: 1:8.2p1-4
Candidate: 1:8.2p1-4
$ sshuttle -r ubuntu@{ip-addr} {subnet-1} {subnet-2}
assembler.py:3: DeprecationWarning: the imp module is deprecated in favour of
importlib; see the module's documentation for alternative uses
client: Connected.
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "assembler.py", line 38, in <module>
File "sshuttle.server", line 298, in main
File "/usr/lib/python3.8/socket.py", line 544, in fromfd
return socket(family, type, proto, nfd)
File "/usr/lib/python3.8/socket.py", line 231, in __init__
_socket.socket.__init__(self, family, type, proto, fileno)
OSError: [Errno 88] Socket operation on non-socket
client: fatal: server died with error code 1
The sshuttle upstream tracker is issue#381 [0]. They are waiting on a
response to bpo#39685 [1].
This regression was introduced in python 3.8 by bpo#35415 [2], which
restricts socket.fromfd() calls to provide valid socket family file
descriptors.
[0] https://github.com/sshuttle/sshuttle/issues/381
[1] https://bugs.python.org/issue39685
[2] https://bugs.python.org/issue35415
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https://bugs.launchpad.net/bugs/1873368
Title:
ssshuttle server fails to connect endpoints with python 3.8
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