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https://salsa.debian.org/freeipa-team/freeipa.git
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dfe9db5548
Use the requestId we get back from the CA when requesting the RA agent cert and use that to issue the certificate rather than hardcoding 7. This also adds some clean-up of file permissions and leaking fds
250 lines
9.7 KiB
Python
250 lines
9.7 KiB
Python
# Authors: Rob Crittenden <rcritten@redhat.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 os
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import os.path
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import subprocess
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import string
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import tempfile
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import logging
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import pwd
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import fileinput
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import sys
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import shutil
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import service
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import certs
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import dsinstance
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import installutils
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from ipapython import sysrestore
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from ipapython import ipautil
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HTTPD_DIR = "/etc/httpd"
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SSL_CONF = HTTPD_DIR + "/conf.d/ssl.conf"
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NSS_CONF = HTTPD_DIR + "/conf.d/nss.conf"
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NSS_DIR = HTTPD_DIR + "/alias"
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selinux_warning = """WARNING: could not set selinux boolean httpd_can_network_connect to true.
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The web interface may not function correctly until this boolean is
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successfully change with the command:
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/usr/sbin/setsebool -P httpd_can_network_connect true
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Try updating the policycoreutils and selinux-policy packages.
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"""
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class WebGuiInstance(service.SimpleServiceInstance):
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def __init__(self):
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service.SimpleServiceInstance.__init__(self, "ipa_webgui")
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class HTTPInstance(service.Service):
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def __init__(self, fstore = None):
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service.Service.__init__(self, "httpd")
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if fstore:
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self.fstore = fstore
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else:
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self.fstore = sysrestore.FileStore('/var/lib/ipa/sysrestore')
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def create_instance(self, realm, fqdn, domain_name, autoconfig=True, pkcs12_info=None, self_signed_ca=False):
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self.fqdn = fqdn
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self.realm = realm
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self.domain = domain_name
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self.pkcs12_info = pkcs12_info
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self.self_signed_ca = self_signed_ca
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self.sub_dict = { "REALM" : realm, "FQDN": fqdn, "DOMAIN" : self.domain }
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self.step("disabling mod_ssl in httpd", self.__disable_mod_ssl)
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self.step("Setting mod_nss port to 443", self.__set_mod_nss_port)
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if not self_signed_ca:
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self.step("Setting mod_nss password file", self.__set_mod_nss_passwordfile)
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self.step("Adding URL rewriting rules", self.__add_include)
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self.step("configuring httpd", self.__configure_http)
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self.step("creating a keytab for httpd", self.__create_http_keytab)
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self.step("Setting up ssl", self.__setup_ssl)
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if autoconfig:
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self.step("Setting up browser autoconfig", self.__setup_autoconfig)
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self.step("publish CA cert", self.__publish_ca_cert)
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self.step("configuring SELinux for httpd", self.__selinux_config)
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self.step("restarting httpd", self.__start)
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self.step("configuring httpd to start on boot", self.__enable)
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self.start_creation("Configuring the web interface")
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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.backup_state("enabled", self.is_running())
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self.chkconfig_on()
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def __selinux_config(self):
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selinux=0
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try:
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if (os.path.exists('/usr/sbin/selinuxenabled')):
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ipautil.run(["/usr/sbin/selinuxenabled"])
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selinux=1
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except ipautil.CalledProcessError:
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# selinuxenabled returns 1 if not enabled
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pass
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if selinux:
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try:
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# returns e.g. "httpd_can_network_connect --> off"
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(stdout, stderr) = ipautils.run(["/usr/sbin/getsebool",
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"httpd_can_network_connect"])
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self.backup_state("httpd_can_network_connect", stdout.split()[2])
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except:
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pass
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# Allow apache to connect to the turbogears web gui
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# This can still fail even if selinux is enabled
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try:
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ipautil.run(["/usr/sbin/setsebool", "-P", "httpd_can_network_connect", "true"])
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except:
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self.print_msg(selinux_warning)
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def __create_http_keytab(self):
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http_principal = "HTTP/" + self.fqdn + "@" + self.realm
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installutils.kadmin_addprinc(http_principal)
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installutils.create_keytab("/etc/httpd/conf/ipa.keytab", http_principal)
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pent = pwd.getpwnam("apache")
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os.chown("/etc/httpd/conf/ipa.keytab", pent.pw_uid, pent.pw_gid)
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def __configure_http(self):
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http_txt = ipautil.template_file(ipautil.SHARE_DIR + "ipa.conf", self.sub_dict)
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self.fstore.backup_file("/etc/httpd/conf.d/ipa.conf")
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http_fd = open("/etc/httpd/conf.d/ipa.conf", "w")
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http_fd.write(http_txt)
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http_fd.close()
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http_txt = ipautil.template_file(ipautil.SHARE_DIR + "ipa-rewrite.conf", self.sub_dict)
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self.fstore.backup_file("/etc/httpd/conf.d/ipa-rewrite.conf")
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http_fd = open("/etc/httpd/conf.d/ipa-rewrite.conf", "w")
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http_fd.write(http_txt)
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http_fd.close()
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def __disable_mod_ssl(self):
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if os.path.exists(SSL_CONF):
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self.fstore.backup_file(SSL_CONF)
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os.unlink(SSL_CONF)
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def __set_mod_nss_port(self):
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self.fstore.backup_file(NSS_CONF)
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if installutils.update_file(NSS_CONF, '8443', '443') != 0:
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print "Updating port in %s failed." % NSS_CONF
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def __set_mod_nss_nickname(self, nickname):
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installutils.set_directive(NSS_CONF, 'NSSNickname', nickname)
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def __set_mod_nss_passwordfile(self):
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installutils.set_directive(NSS_CONF, 'NSSPassPhraseDialog', 'file:/etc/httpd/conf/password.conf')
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def __add_include(self):
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"""This should run after __set_mod_nss_port so is already backed up"""
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if installutils.update_file(NSS_CONF, '</VirtualHost>', 'Include conf.d/ipa-rewrite.conf\n</VirtualHost>') != 0:
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print "Adding Include conf.d/ipa-rewrite to %s failed." % NSS_CONF
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def __setup_ssl(self):
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if self.self_signed_ca:
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ca_db = certs.CertDB(dsinstance.config_dirname(dsinstance.realm_to_serverid(self.realm)))
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else:
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ca_db = certs.CertDB(NSS_DIR, host_name=self.fqdn)
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db = certs.CertDB(NSS_DIR)
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if self.pkcs12_info:
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db.create_from_pkcs12(self.pkcs12_info[0], self.pkcs12_info[1], passwd="")
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server_certs = db.find_server_certs()
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if len(server_certs) == 0:
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raise RuntimeError("Could not find a suitable server cert in import in %s" % pkcs12_info[0])
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# We only handle one server cert
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nickname = server_certs[0][0]
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self.__set_mod_nss_nickname(nickname)
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else:
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if self.self_signed_ca:
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db.create_from_cacert(ca_db.cacert_fname)
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db.create_server_cert("Server-Cert", "cn=%s,ou=Apache Web Server" % self.fqdn, ca_db)
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db.create_signing_cert("Signing-Cert", "cn=%s,ou=Signing Certificate,o=Identity Policy Audit" % self.fqdn, ca_db)
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else:
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db.create_server_cert("Server-Cert", "CN=%s,OU=ipa-pki,O=IPA" % self.fqdn, ca_db)
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db.create_signing_cert("Signing-Cert", "CN=Object Signing Cert,OU=ipa-pki,O=IPA", ca_db)
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db.create_password_conf()
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# Fix the database permissions
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os.chmod(NSS_DIR + "/cert8.db", 0640)
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os.chmod(NSS_DIR + "/key3.db", 0640)
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os.chmod(NSS_DIR + "/secmod.db", 0640)
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pent = pwd.getpwnam("apache")
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os.chown(NSS_DIR + "/cert8.db", 0, pent.pw_gid )
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os.chown(NSS_DIR + "/key3.db", 0, pent.pw_gid )
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os.chown(NSS_DIR + "/secmod.db", 0, pent.pw_gid )
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def __setup_autoconfig(self):
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prefs_txt = ipautil.template_file(ipautil.SHARE_DIR + "preferences.html.template", self.sub_dict)
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prefs_fd = open("/usr/share/ipa/html/preferences.html", "w")
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prefs_fd.write(prefs_txt)
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prefs_fd.close()
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# The signing cert is generated in __setup_ssl
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db = certs.CertDB(NSS_DIR)
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tmpdir = tempfile.mkdtemp(prefix = "tmp-")
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shutil.copy("/usr/share/ipa/html/preferences.html", tmpdir)
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db.run_signtool(["-k", "Signing-Cert",
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"-Z", "/usr/share/ipa/html/configure.jar",
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"-e", ".html",
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tmpdir])
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shutil.rmtree(tmpdir)
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def __publish_ca_cert(self):
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if self.self_signed_ca:
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ca_db = certs.CertDB(dsinstance.config_dirname(dsinstance.realm_to_serverid(self.realm)))
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else:
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ca_db = certs.CertDB(NSS_DIR)
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shutil.copy(ca_db.cacert_fname, "/usr/share/ipa/html/ca.crt")
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os.chmod("/usr/share/ipa/html/ca.crt", 0444)
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def uninstall(self):
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running = self.restore_state("running")
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enabled = self.restore_state("enabled")
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if not running is None:
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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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for f in ["/etc/httpd/conf.d/ipa.conf", SSL_CONF, NSS_CONF]:
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try:
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self.fstore.restore_file(f)
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except ValueError, error:
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logging.debug(error)
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pass
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sebool_state = self.restore_state("httpd_can_network_connect")
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if not sebool_state is None:
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try:
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ipautil.run(["/usr/sbin/setsebool", "-P", "httpd_can_network_connect", sebool_state])
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except:
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self.print_msg(selinux_warning)
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if not running is None and running:
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self.start()
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