diff options
Diffstat (limited to 'cloudinit/ssh_util.py')
| -rw-r--r-- | cloudinit/ssh_util.py | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/cloudinit/ssh_util.py b/cloudinit/ssh_util.py index c08042d6..89057262 100644 --- a/cloudinit/ssh_util.py +++ b/cloudinit/ssh_util.py @@ -252,13 +252,15 @@ def render_authorizedkeysfile_paths(value, homedir, username): def extract_authorized_keys(username, sshd_cfg_file=DEF_SSHD_CFG): (ssh_dir, pw_ent) = users_ssh_info(username) default_authorizedkeys_file = os.path.join(ssh_dir, 'authorized_keys') + user_authorizedkeys_file = default_authorizedkeys_file auth_key_fns = [] with util.SeLinuxGuard(ssh_dir, recursive=True): try: ssh_cfg = parse_ssh_config_map(sshd_cfg_file) + key_paths = ssh_cfg.get("authorizedkeysfile", + "%h/.ssh/authorized_keys") auth_key_fns = render_authorizedkeysfile_paths( - ssh_cfg.get("authorizedkeysfile", "%h/.ssh/authorized_keys"), - pw_ent.pw_dir, username) + key_paths, pw_ent.pw_dir, username) except (IOError, OSError): # Give up and use a default key filename @@ -267,8 +269,22 @@ def extract_authorized_keys(username, sshd_cfg_file=DEF_SSHD_CFG): "config from %r, using 'AuthorizedKeysFile' file " "%r instead", DEF_SSHD_CFG, auth_key_fns[0]) + # check if one of the keys is the user's one + for key_path, auth_key_fn in zip(key_paths.split(), auth_key_fns): + if any([ + '%u' in key_path, + '%h' in key_path, + auth_key_fn.startswith('{}/'.format(pw_ent.pw_dir)) + ]): + user_authorizedkeys_file = auth_key_fn + + if user_authorizedkeys_file != default_authorizedkeys_file: + LOG.debug( + "AuthorizedKeysFile has an user-specific authorized_keys, " + "using %s", user_authorizedkeys_file) + # always store all the keys in the user's private file - return (default_authorizedkeys_file, parse_authorized_keys(auth_key_fns)) + return (user_authorizedkeys_file, parse_authorized_keys(auth_key_fns)) def setup_user_keys(keys, username, options=None): |