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utils/ssh: Load host keys only if strict_host_check is true

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Loading host keys breaks setting up SSH connection (paramiko throws
BadHostKeyException exception) if issuer does not want/need strict key
matching.

One use case for ignoring strict_host_check is automating virtual guests
(i.e., over QEMU). Issuer may want to skip loading host keys and start
with a blank list of known host keys for sure.

Signed-off-by: Metin Kaya <metin.kaya@arm.com>
This commit is contained in:
Metin Kaya
2024-01-15 16:51:00 +00:00
committed by Marc Bonnici
parent e334f8816c
commit be7e73db16
1 changed files with 2 additions and 1 deletions
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devlib/utils/ssh.py
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@@ -397,6 +397,7 @@ class SshConnection(SshConnectionBase):
with _handle_paramiko_exceptions(): with _handle_paramiko_exceptions():
client = SSHClient() client = SSHClient()
if self.strict_host_check:
client.load_system_host_keys() client.load_system_host_keys()
client.set_missing_host_key_policy(policy) client.set_missing_host_key_policy(policy)
client.connect( client.connect(