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Diffstat (limited to 'cloudinit/transforms/ssh.py')
| -rw-r--r-- | cloudinit/transforms/ssh.py | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/cloudinit/transforms/ssh.py b/cloudinit/transforms/ssh.py deleted file mode 100644 index e5e99560..00000000 --- a/cloudinit/transforms/ssh.py +++ /dev/null @@ -1,131 +0,0 @@ -# vi: ts=4 expandtab -# -# Copyright (C) 2009-2010 Canonical Ltd. -# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. -# -# Author: Scott Moser <scott.moser@canonical.com> -# Author: Juerg Haefliger <juerg.haefliger@hp.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 3, as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import os -import glob - -from cloudinit import util -from cloudinit import ssh_util - -DISABLE_ROOT_OPTS = ( "no-port-forwarding,no-agent-forwarding," -"no-X11-forwarding,command=\"echo \'Please login as the user \\\"$USER\\\" " -"rather than the user \\\"root\\\".\';echo;sleep 10\"") - -key2file = { - "rsa_private": ("/etc/ssh/ssh_host_rsa_key", 0600), - "rsa_public": ("/etc/ssh/ssh_host_rsa_key.pub", 0644), - "dsa_private": ("/etc/ssh/ssh_host_dsa_key", 0600), - "dsa_public": ("/etc/ssh/ssh_host_dsa_key.pub", 0644), - "ecdsa_private": ("/etc/ssh/ssh_host_ecdsa_key", 0600), - "ecdsa_public": ("/etc/ssh/ssh_host_ecdsa_key.pub", 0644), -} - -priv2pub = { - 'rsa_private': 'rsa_public', - 'dsa_private': 'dsa_public', - 'ecdsa_private': 'ecdsa_public', -} - -key_gen_tpl = 'o=$(ssh-keygen -yf "%s") && echo "$o" root@localhost > "%s"' - -generate_keys = ['rsa', 'dsa', 'ecdsa'] - - -def handle(_name, cfg, cloud, log, _args): - - # remove the static keys from the pristine image - if cfg.get("ssh_deletekeys", True): - key_pth = cloud.paths.join(False, "/etc/ssh/", "ssh_host_*key*") - for f in glob.glob(key_pth): - try: - util.del_file(f) - except: - util.logexc(log, "Failed deleting key file %s", f) - - if "ssh_keys" in cfg: - # if there are keys in cloud-config, use them - for (key, val) in cfg["ssh_keys"].iteritems(): - if key in key2file: - tgt_fn = key2file[key][0] - tgt_perms = key2file[key][1] - util.write_file(cloud.paths.join(False, tgt_fn), - val, tgt_perms) - - for (priv, pub) in priv2pub.iteritems(): - if pub in cfg['ssh_keys'] or not priv in cfg['ssh_keys']: - continue - pair = (key2file[priv][0], key2file[pub][0]) - cmd = ['sh', '-xc', key_gen_tpl % pair] - try: - # TODO: Is this guard needed? - with util.SeLinuxGuard("/etc/ssh", recursive=True): - util.subp(cmd, capture=False) - log.debug("Generated a key for %s from %s", pair[0], pair[1]) - except: - util.logexc(log, ("Failed generated a key" - " for %s from %s"), pair[0], pair[1]) - else: - # if not, generate them - genkeys = util.get_cfg_option_list(cfg, - 'ssh_genkeytypes', - generate_keys) - for keytype in genkeys: - keyfile = '/etc/ssh/ssh_host_%s_key' % (keytype) - keyfile = cloud.paths.join(False, keyfile) - util.ensure_dir(os.path.dirname(keyfile)) - if not os.path.exists(keyfile): - cmd = ['ssh-keygen', '-t', keytype, '-N', '', '-f', keyfile] - try: - # TODO: Is this guard needed? - with util.SeLinuxGuard("/etc/ssh", recursive=True): - util.subp(cmd, capture=False) - except: - util.logexc(log, ("Failed generating key type" - " %s to file %s"), keytype, keyfile) - - try: - user = util.get_cfg_option_str(cfg, 'user') - disable_root = util.get_cfg_option_bool(cfg, "disable_root", True) - disable_root_opts = util.get_cfg_option_str(cfg, "disable_root_opts", - DISABLE_ROOT_OPTS) - - keys = cloud.get_public_ssh_keys() or [] - if "ssh_authorized_keys" in cfg: - cfgkeys = cfg["ssh_authorized_keys"] - keys.extend(cfgkeys) - - apply_credentials(keys, user, cloud.paths, - disable_root, disable_root_opts) - except: - util.logexc(log, "Applying ssh credentials failed!") - - -def apply_credentials(keys, user, paths, disable_root, disable_root_opts): - - keys = set(keys) - if user: - ssh_util.setup_user_keys(keys, user, '', paths) - - if disable_root and user: - key_prefix = disable_root_opts.replace('$USER', user) - else: - key_prefix = '' - - ssh_util.setup_user_keys(keys, 'root', key_prefix, paths) |