Rob Crittenden
2e8bae590e
We don't use certmonger to get certificates during installation because of the chicken-and-egg problem. This means that the IPA web and ldap certs aren't being tracked for renewal. This requires some manual changes to the certmonger request files once tracking has begun because it doesn't store a subject or principal template when a cert is added via start-tracking. This also required some changes to the cert command plugin to allow a host to execute calls against its own service certs. ticket 67
276 lines
8.9 KiB
Python
276 lines
8.9 KiB
Python
# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
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#
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# Copyright (C) 2007 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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import logging, sys
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import os
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import tempfile
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from ipapython import sysrestore
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from ipapython import ipautil
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from ipalib import uuid, errors
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import ldap
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from ipaserver import ipaldap
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import base64
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def stop(service_name, instance_name=""):
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ipautil.run(["/sbin/service", service_name, "stop", instance_name])
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def start(service_name, instance_name=""):
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ipautil.run(["/sbin/service", service_name, "start", instance_name])
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def restart(service_name, instance_name=""):
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ipautil.run(["/sbin/service", service_name, "restart", instance_name])
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def is_running(service_name, instance_name=""):
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ret = True
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try:
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ipautil.run(["/sbin/service", service_name, "status", instance_name])
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except ipautil.CalledProcessError:
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ret = False
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return ret
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def chkconfig_on(service_name):
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ipautil.run(["/sbin/chkconfig", service_name, "on"])
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def chkconfig_off(service_name):
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ipautil.run(["/sbin/chkconfig", service_name, "off"])
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def chkconfig_add(service_name):
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ipautil.run(["/sbin/chkconfig", "--add", service_name])
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def chkconfig_del(service_name):
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ipautil.run(["/sbin/chkconfig", "--del", service_name])
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def is_enabled(service_name):
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(stdout, stderr, returncode) = ipautil.run(["/sbin/chkconfig", "--list", service_name])
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runlevels = {}
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for runlevel in range(0, 7):
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runlevels[runlevel] = False
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for line in stdout.split("\n"):
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parts = line.split()
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if parts[0] == service_name:
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for s in parts[1:]:
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(runlevel, status) = s.split(":")[0:2]
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try:
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runlevels[int(runlevel)] = status == "on"
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except ValueError:
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pass
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break
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return (runlevels[3] and runlevels[4] and runlevels[5])
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def print_msg(message, output_fd=sys.stdout):
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logging.debug(message)
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output_fd.write(message)
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output_fd.write("\n")
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class Service:
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def __init__(self, service_name, sstore=None, dm_password=None):
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self.service_name = service_name
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self.steps = []
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self.output_fd = sys.stdout
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self.dm_password = dm_password
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if sstore:
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self.sstore = sstore
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else:
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self.sstore = sysrestore.StateFile('/var/lib/ipa/sysrestore')
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def _ldap_mod(self, ldif, sub_dict = None):
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assert self.dm_password is not None
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fd = None
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path = ipautil.SHARE_DIR + ldif
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if sub_dict is not None:
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sub_dict['UUID'] = str(uuid.uuid1())
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txt = ipautil.template_file(path, sub_dict)
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fd = ipautil.write_tmp_file(txt)
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path = fd.name
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[pw_fd, pw_name] = tempfile.mkstemp()
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os.write(pw_fd, self.dm_password)
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os.close(pw_fd)
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args = ["/usr/bin/ldapmodify", "-h", "127.0.0.1", "-xv",
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"-D", "cn=Directory Manager", "-y", pw_name, "-f", path]
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try:
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try:
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ipautil.run(args)
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except ipautil.CalledProcessError, e:
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logging.critical("Failed to load %s: %s" % (ldif, str(e)))
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finally:
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os.remove(pw_name)
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if fd is not None:
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fd.close()
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def move_service(self, principal):
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"""
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Used to move a principal entry created by kadmin.local from
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cn=kerberos to cn=services
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"""
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dn = "krbprincipalname=%s,cn=%s,cn=kerberos,%s" % (principal, self.realm, self.suffix)
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try:
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conn = ipaldap.IPAdmin("127.0.0.1")
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conn.simple_bind_s("cn=directory manager", self.dm_password)
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except Exception, e:
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logging.critical("Could not connect to the Directory Server on %s: %s" % (self.fqdn, str(e)))
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raise e
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try:
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entry = conn.getEntry(dn, ldap.SCOPE_BASE)
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except errors.NotFound:
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# There is no service in the wrong location, nothing to do.
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# This can happen when installing a replica
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conn.unbind()
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return
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newdn = "krbprincipalname=%s,cn=services,cn=accounts,%s" % (principal, self.suffix)
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hostdn = "fqdn=%s,cn=computers,cn=accounts,%s" % (self.fqdn, self.suffix)
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conn.deleteEntry(dn)
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entry.dn = newdn
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classes = entry.getValues("objectclass")
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classes = classes + ["ipaobject", "ipaservice", "pkiuser"]
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entry.setValues("objectclass", list(set(classes)))
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entry.setValue("ipauniqueid", str(uuid.uuid1()))
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entry.setValue("managedby", hostdn)
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conn.addEntry(entry)
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conn.unbind()
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return newdn
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def add_cert_to_service(self):
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"""
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Add a certificate to a service
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This should be passed in DER format but we'll be nice and convert
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a base64-encoded cert if needed (like when we add certs that come
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from PKCS#12 files.)
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"""
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try:
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s = self.dercert.find('-----BEGIN CERTIFICATE-----')
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if s > -1:
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e = self.dercert.find('-----END CERTIFICATE-----')
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s = s + 27
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self.dercert = self.dercert[s:e]
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self.dercert = base64.b64decode(self.dercert)
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except Exception:
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pass
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dn = "krbprincipalname=%s,cn=services,cn=accounts,%s" % (self.principal, self.suffix)
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try:
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conn = ipaldap.IPAdmin("127.0.0.1")
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conn.simple_bind_s("cn=directory manager", self.dm_password)
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except Exception, e:
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logging.critical("Could not connect to the Directory Server on %s: %s" % (self.fqdn, str(e)))
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raise e
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mod = [(ldap.MOD_ADD, 'userCertificate', self.dercert)]
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try:
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conn.modify_s(dn, mod)
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except Exception, e:
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logging.critical("Could not add certificate to service %s entry: %s" % (self.principal, str(e)))
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conn.unbind()
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def is_configured(self):
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return self.sstore.has_state(self.service_name)
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def set_output(self, fd):
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self.output_fd = fd
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def stop(self, instance_name=""):
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stop(self.service_name, instance_name)
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def start(self, instance_name=""):
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start(self.service_name, instance_name)
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def restart(self, instance_name=""):
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restart(self.service_name, instance_name)
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def is_running(self):
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return is_running(self.service_name)
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def chkconfig_add(self):
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chkconfig_add(self.service_name)
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def chkconfig_del(self):
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chkconfig_del(self.service_name)
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def chkconfig_on(self):
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chkconfig_on(self.service_name)
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def chkconfig_off(self):
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chkconfig_off(self.service_name)
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def is_enabled(self):
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return is_enabled(self.service_name)
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def backup_state(self, key, value):
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self.sstore.backup_state(self.service_name, key, value)
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def restore_state(self, key):
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return self.sstore.restore_state(self.service_name, key)
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def print_msg(self, message):
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print_msg(message, self.output_fd)
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def step(self, message, method):
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self.steps.append((message, method))
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def start_creation(self, message):
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self.print_msg(message)
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step = 0
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for (message, method) in self.steps:
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self.print_msg(" [%d/%d]: %s" % (step+1, len(self.steps), message))
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method()
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step += 1
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self.print_msg("done configuring %s." % self.service_name)
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self.steps = []
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class SimpleServiceInstance(Service):
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def create_instance(self):
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self.step("starting %s " % self.service_name, self.__start)
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self.step("configuring %s to start on boot" % self.service_name, self.__enable)
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self.start_creation("Configuring %s" % self.service_name)
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def __start(self):
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self.backup_state("running", self.is_running())
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self.restart()
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def __enable(self):
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self.chkconfig_add()
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self.backup_state("enabled", self.is_enabled())
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self.chkconfig_on()
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def uninstall(self):
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if self.is_configured():
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self.print_msg("Unconfiguring %s" % self.service_name)
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running = self.restore_state("running")
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enabled = not self.restore_state("enabled")
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if not running is None and not running:
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self.stop()
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if not enabled is None and not enabled:
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self.chkconfig_off()
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self.chkconfig_del()
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