action #112367
closed[tools] python-paramiko on Leap/SLE throws exception with ed25519 key size:M
0%
Description
Observation¶
On Leap 15.4, with python-paramiko 2.4.2-150100.6.12.1, following occurs in mtui:
info: connecting to goblin.qam.suse.cz
debug [mtui.connection:connect]: connecting to goblin.qam.suse.cz:22
error: SSHException while connecting to goblin.qam.suse.cz
critical: connecting to goblin.qam.suse.cz failed: Invalid key
warning: failed to add host goblin.qam.suse.cz to target list
debug [mtui.template.testreport:add_target]: Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/mtui/template/testreport.py", line 373, in add_target
self.targets[hostname].connect()
File "/usr/lib/python3.6/site-packages/mtui/target/__init__.py", line 89, in connect
raise e
File "/usr/lib/python3.6/site-packages/mtui/target/__init__.py", line 86, in connect
self.connection = self.Connection(self.host, self.port, self.timeout)
File "/usr/lib/python3.6/site-packages/mtui/connection.py", line 91, in __init__
self.connect()
File "/usr/lib/python3.6/site-packages/mtui/connection.py", line 169, in connect
raise e
File "/usr/lib/python3.6/site-packages/mtui/connection.py", line 127, in connect
else None,
File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 437, in connect
passphrase,
File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 749, in _auth
raise saved_exception
File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 720, in _auth
filename, pkey_class, passphrase
File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 571, in _key_from_filepath
key = klass.from_private_key_file(key_path, password)
File "/usr/lib/python3.6/site-packages/paramiko/pkey.py", line 217, in from_private_key_file
key = cls(filename=filename, password=password)
File "/usr/lib/python3.6/site-packages/paramiko/ed25519key.py", line 81, in __init__
signing_key = self._parse_signing_key_data(data, password)
File "/usr/lib/python3.6/site-packages/paramiko/ed25519key.py", line 156, in _parse_signing_key_data
message = Message(unpad(private_data))
File "/usr/lib/python3.6/site-packages/paramiko/ed25519key.py", line 41, in unpad
raise SSHException("Invalid key")
paramiko.ssh_exception.SSHException: Invalid key
This seems to be a known issue, and is resolved in paramiko 2.5.1. As usage of ed25519 keys is not that common it seems to affect only me, as a workaround paramiko from Tumbleweed can be linked into QA:Maintenance project in IBS
Same problem in Leap 15.3 as paramiko was last updated in 15-SP1.
Acceptance criteria¶
- AC1: Problem has been reported to the package maintainer
- AC2: mtui works again
Suggestions¶
Maintenance Update of paramiko in SLE -> Leap
Link new paramiko and its deps in QA:Maintenance project