diff options
Diffstat (limited to 'src/conf_mode/ssh.py')
| -rwxr-xr-x | src/conf_mode/ssh.py | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/conf_mode/ssh.py b/src/conf_mode/ssh.py index 8eeb0a7c1..67724b043 100755 --- a/src/conf_mode/ssh.py +++ b/src/conf_mode/ssh.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2018-2020 VyOS maintainers and contributors +# Copyright (C) 2018-2021 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -17,6 +17,8 @@ import os from sys import exit +from syslog import syslog +from syslog import LOG_INFO from vyos.config import Config from vyos.configdict import dict_merge @@ -31,6 +33,10 @@ airbag.enable() config_file = r'/run/sshd/sshd_config' systemd_override = r'/etc/systemd/system/ssh.service.d/override.conf' +key_rsa = '/etc/ssh/ssh_host_rsa_key' +key_dsa = '/etc/ssh/ssh_host_dsa_key' +key_ed25519 = '/etc/ssh/ssh_host_ed25519_key' + def get_config(config=None): if config: conf = config @@ -66,6 +72,18 @@ def generate(ssh): return None + # This usually happens only once on a fresh system, SSH keys need to be + # freshly generted, one per every system! + if not os.path.isfile(key_rsa): + syslog(LOG_INFO, 'SSH RSA host key not found, generating new key!') + call(f'ssh-keygen -q -N "" -t rsa -f {key_rsa}') + if not os.path.isfile(key_dsa): + syslog(LOG_INFO, 'SSH DSA host key not found, generating new key!') + call(f'ssh-keygen -q -N "" -t dsa -f {key_dsa}') + if not os.path.isfile(key_ed25519): + syslog(LOG_INFO, 'SSH ed25519 host key not found, generating new key!') + call(f'ssh-keygen -q -N "" -t ed25519 -f {key_ed25519}') + render(config_file, 'ssh/sshd_config.tmpl', ssh) render(systemd_override, 'ssh/override.conf.tmpl', ssh) # Reload systemd manager configuration |