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-rw-r--r--cloudinit/CloudConfig/cc_ssh.py14
1 files changed, 10 insertions, 4 deletions
diff --git a/cloudinit/CloudConfig/cc_ssh.py b/cloudinit/CloudConfig/cc_ssh.py
index c4603d2b..60eaaa42 100644
--- a/cloudinit/CloudConfig/cc_ssh.py
+++ b/cloudinit/CloudConfig/cc_ssh.py
@@ -20,6 +20,9 @@ import os
import glob
import subprocess
+DISABLE_ROOT_OPTS="no-port-forwarding,no-agent-forwarding,no-X11-forwarding,command=\"echo \'Please login as the user \\\"$USER\\\" rather than the user \\\"root\\\".\';echo;sleep 10\""
+
+
def handle(name,cfg,cloud,log,args):
# remove the static keys from the pristine image
for f in glob.glob("/etc/ssh/ssh_host_*_key*"):
@@ -55,13 +58,15 @@ def handle(name,cfg,cloud,log,args):
try:
user = util.get_cfg_option_str(cfg,'user')
disable_root = util.get_cfg_option_bool(cfg, "disable_root", True)
+ disable_root_opts = util.get_cfg_option_str(cfg, "disable_root_opts",
+ DISABLE_ROOT_OPTS)
keys = cloud.get_public_ssh_keys()
if cfg.has_key("ssh_authorized_keys"):
cfgkeys = cfg["ssh_authorized_keys"]
keys.extend(cfgkeys)
- apply_credentials(keys,user,disable_root)
+ apply_credentials(keys,user,disable_root, disable_root_opts)
except:
log.warn("applying credentials failed!\n")
@@ -70,13 +75,13 @@ def handle(name,cfg,cloud,log,args):
def send_ssh_keys_to_console():
subprocess.call(('/usr/lib/cloud-init/write-ssh-key-fingerprints',))
-def apply_credentials(keys, user, disable_root):
+def apply_credentials(keys, user, disable_root, disable_root_opts=DISABLE_ROOT_OPTS):
keys = set(keys)
if user:
setup_user_keys(keys, user, '')
if disable_root:
- key_prefix = 'command="echo \'Please login as the user \\\"%s\\\" rather than the user \\\"root\\\".\';echo;sleep 10" ' % user
+ key_prefix = disable_root_opts.replace('$USER', user)
else:
key_prefix = ''
@@ -95,7 +100,8 @@ def setup_user_keys(keys, user, key_prefix):
authorized_keys = '%s/.ssh/authorized_keys' % pwent.pw_dir
fp = open(authorized_keys, 'a')
- fp.write(''.join(['%s%s\n' % (key_prefix, key) for key in keys]))
+ key_prefix = key_prefix.replace("\n"," ")
+ fp.write(''.join(['%s %s\n' % (key_prefix.strip(), key) for key in keys]))
fp.close()
os.chown(authorized_keys, pwent.pw_uid, pwent.pw_gid)