/usr/lib/python2.7/dist-packages/ipaserver/install/cainstance.py is in python-ipaserver 4.7.0~pre1+git20180411-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 | # Authors: Rob Crittenden <rcritten@redhat.com>
# Ade Lee <alee@redhat.com>
# Andrew Wnuk <awnuk@redhat.com>
#
# Copyright (C) 2009 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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/>.
#
from __future__ import print_function
import base64
import binascii
import logging
import dbus
import enum
import ldap
import os
import pwd
import grp
import re
import shutil
import sys
import syslog
import time
import tempfile
import six
# pylint: disable=import-error
from six.moves.configparser import RawConfigParser
# pylint: enable=import-error
from pyasn1.codec.der import encoder
from pyasn1.type import char, univ, namedtype
import pyasn1.error
from ipalib import api
from ipalib import x509
from ipalib import errors
import ipalib.constants
from ipalib.install import certmonger
from ipaplatform import services
from ipaplatform.paths import paths
from ipaplatform.tasks import tasks
from ipapython import dogtag
from ipapython import ipautil
from ipapython import ipaldap
from ipapython.certdb import get_ca_nickname
from ipapython.dn import DN
from ipapython.ipa_log_manager import standard_logging_setup
from ipaserver.secrets.kem import IPAKEMKeys
from ipaserver.install import certs
from ipaserver.install import custodiainstance
from ipaserver.install import dsinstance
from ipaserver.install import installutils
from ipaserver.install import ldapupdate
from ipaserver.install import replication
from ipaserver.install import sysupgrade
from ipaserver.install.dogtaginstance import DogtagInstance
from ipaserver.plugins import ldap2
logger = logging.getLogger(__name__)
# We need to reset the template because the CA uses the regular boot
# information
INF_TEMPLATE = """
[General]
FullMachineName= $FQDN
SuiteSpotUserID= $USER
SuiteSpotGroup= $GROUP
ServerRoot= $SERVER_ROOT
[slapd]
ServerPort= $DSPORT
ServerIdentifier= $SERVERID
Suffix= $SUFFIX
RootDN= cn=Directory Manager
RootDNPwd= $PASSWORD
ConfigFile = /usr/share/pki/ca/conf/database.ldif
"""
ADMIN_GROUPS = [
'Enterprise CA Administrators',
'Enterprise KRA Administrators',
'Security Domain Administrators'
]
class ExternalCAType(enum.Enum):
GENERIC = 'generic'
MS_CS = 'ms-cs'
def check_ports():
"""Check that dogtag ports (8080, 8443) are available.
Returns True when ports are free, False if they are taken.
"""
return all([ipautil.check_port_bindable(8443),
ipautil.check_port_bindable(8080)])
def get_preop_pin(instance_root, instance_name):
# Only used for Dogtag 9
preop_pin = None
filename = instance_root + "/" + instance_name + "/conf/CS.cfg"
# read the config file and get the preop pin
try:
f = open(filename)
except IOError as e:
logger.error("Cannot open configuration file.%s", str(e))
raise e
data = f.read()
data = data.split('\n')
pattern = re.compile("preop.pin=(.*)")
for line in data:
match = re.search(pattern, line)
if match:
preop_pin = match.group(1)
break
if preop_pin is None:
raise RuntimeError(
"Unable to find preop.pin in %s. Is your CA already configured?" %
filename)
return preop_pin
def import_pkcs12(input_file, input_passwd, cert_database,
cert_passwd):
ipautil.run([paths.PK12UTIL, "-d", cert_database,
"-i", input_file,
"-k", cert_passwd,
"-w", input_passwd])
def get_value(s):
"""
Parse out a name/value pair from a Javascript variable.
"""
try:
expr = s.split('=', 1)
value = expr[1]
value = value.replace('\"', '')
value = value.replace(';', '')
value = value.replace('\\n', '\n')
value = value.replace('\\r', '\r')
return value
except IndexError:
return None
def find_substring(data, value):
"""
Scan through a list looking for a string that starts with value.
"""
for d in data:
if d.startswith(value):
return get_value(d)
def get_defList(data):
"""
Return a dictionary of defList name/value pairs.
A certificate signing request is specified as a series of these.
"""
varname = None
value = None
skip = False
defdict = {}
for d in data:
if d.startswith("defList = new Object"):
varname = None
value = None
skip = False
if d.startswith("defList.defId"):
varname = get_value(d)
if d.startswith("defList.defVal"):
value = get_value(d)
if skip:
varname = None
value = None
skip = False
if d.startswith("defList.defConstraint"):
ctype = get_value(d)
if ctype == "readonly":
skip = True
if varname and value:
defdict[varname] = value
varname = None
value = None
return defdict
def get_outputList(data):
"""
Return a dictionary of outputList name/value pairs.
The output from issuing a certificate is a series of these.
"""
varname = None
value = None
outputdict = {}
for d in data:
if d.startswith("outputList = new"):
varname = None
value = None
if d.startswith("outputList.outputId"):
varname = get_value(d)
if d.startswith("outputList.outputVal"):
value = get_value(d)
if varname and value:
outputdict[varname] = value
varname = None
value = None
return outputdict
def get_crl_files(path=None):
"""
Traverse dogtag's CRL files in default CRL publish directory or in chosen
target directory.
@param path Custom target directory
"""
if path is None:
path = paths.PKI_CA_PUBLISH_DIR
files = os.listdir(path)
for f in files:
if f == "MasterCRL.bin":
yield os.path.join(path, f)
elif f.endswith(".der"):
yield os.path.join(path, f)
def is_step_one_done():
"""Read CS.cfg and determine if step one of an external CA install is done
"""
path = paths.CA_CS_CFG_PATH
if not os.path.exists(path):
return False
test = installutils.get_directive(path, 'preop.ca.type', '=')
if test == "otherca":
return True
return False
def is_ca_installed_locally():
"""Check if CA is installed locally by checking for existence of CS.cfg
:return:True/False
"""
return os.path.exists(paths.CA_CS_CFG_PATH)
class CAInstance(DogtagInstance):
"""
When using a dogtag CA the DS database contains just the
server cert for DS. The mod_nss database will contain the RA agent
cert that will be used to do authenticated requests against dogtag.
This is done because we use python-nss and will inherit the opened
NSS database in mod_python. In nsslib.py we do an nssinit but this will
return success if the database is already initialized. It doesn't care
if the database is different or not.
external is a state machine:
0 = not an externally signed CA
1 = generating CSR to be signed
2 = have signed cert, continue installation
"""
tracking_reqs = ('auditSigningCert cert-pki-ca',
'ocspSigningCert cert-pki-ca',
'subsystemCert cert-pki-ca',
'caSigningCert cert-pki-ca')
server_cert_name = 'Server-Cert cert-pki-ca'
def __init__(self, realm=None, host_name=None):
super(CAInstance, self).__init__(
realm=realm,
subsystem="CA",
service_desc="certificate server",
host_name=host_name,
service_prefix=ipalib.constants.PKI_GSSAPI_SERVICE_NAME,
config=paths.CA_CS_CFG_PATH,
)
# for external CAs
self.external = 0
self.csr_file = None
self.cert_file = None
self.cert_chain_file = None
if realm is not None:
self.canickname = get_ca_nickname(realm)
else:
self.canickname = None
self.ra_cert = None
self.requestId = None
self.no_db_setup = False
self.keytab = os.path.join(
paths.PKI_TOMCAT, self.service_prefix + '.keytab')
def configure_instance(self, host_name, dm_password, admin_password,
pkcs12_info=None, master_host=None, csr_file=None,
cert_file=None, cert_chain_file=None,
master_replication_port=None,
subject_base=None, ca_subject=None,
ca_signing_algorithm=None,
ca_type=None, external_ca_profile=None,
ra_p12=None, ra_only=False,
promote=False, use_ldaps=False):
"""Create a CA instance.
To create a clone, pass in pkcs12_info.
Creating a CA with an external signer is a 2-step process. In
step 1 we generate a CSR. In step 2 we are given the cert and
chain and actually proceed to create the CA. For step 1 set
csr_file. For step 2 set cert_file and cert_chain_file.
"""
self.fqdn = host_name
self.dm_password = dm_password
self.admin_user = "admin"
self.admin_groups = ADMIN_GROUPS
# NOTE: "admin_password" refers to the password for PKI
# "admin" account. This is not necessarily the same as
# the IPA admin password. Indeed, ca.configure_instance
# gets called with admin_password=dm_password.
#
self.admin_password = admin_password
self.pkcs12_info = pkcs12_info
if self.pkcs12_info is not None:
self.clone = True
self.master_host = master_host
self.master_replication_port = master_replication_port
self.ra_p12 = ra_p12
self.subject_base = \
subject_base or installutils.default_subject_base(self.realm)
self.ca_subject = \
ca_subject or installutils.default_ca_subject_dn(self.subject_base)
if ca_signing_algorithm is None:
self.ca_signing_algorithm = 'SHA256withRSA'
else:
self.ca_signing_algorithm = ca_signing_algorithm
if ca_type is not None:
self.ca_type = ca_type
else:
self.ca_type = ExternalCAType.GENERIC.value
self.external_ca_profile = external_ca_profile
self.no_db_setup = promote
self.use_ldaps = use_ldaps
# Determine if we are installing as an externally-signed CA and
# what stage we're in.
if csr_file is not None:
self.csr_file = csr_file
self.external = 1
elif cert_file is not None:
self.cert_file = cert_file
self.cert_chain_file = cert_chain_file
self.external = 2
if self.clone:
has_ra_cert = os.path.exists(paths.RA_AGENT_PEM)
else:
has_ra_cert = False
if not ra_only:
if promote:
# Setup Database
self.step("creating certificate server db", self.__create_ds_db)
self.step("setting up initial replication", self.__setup_replication)
self.step("creating installation admin user", self.setup_admin)
self.step("configuring certificate server instance",
self.__spawn_instance)
self.step("exporting Dogtag certificate store pin",
self.create_certstore_passwdfile)
self.step("stopping certificate server instance to update CS.cfg",
self.stop_instance)
self.step("backing up CS.cfg", self.safe_backup_config)
self.step("disabling nonces", self.__disable_nonce)
self.step("set up CRL publishing", self.__enable_crl_publish)
self.step("enable PKIX certificate path discovery and validation",
self.enable_pkix)
if promote:
self.step("destroying installation admin user",
self.teardown_admin)
self.step("starting certificate server instance",
self.start_instance)
# Step 1 of external is getting a CSR so we don't need to do these
# steps until we get a cert back from the external CA.
if self.external != 1:
if not has_ra_cert:
self.step("configure certmonger for renewals",
self.configure_certmonger_renewal)
if not self.clone:
self.step("requesting RA certificate from CA", self.__request_ra_certificate)
elif promote:
self.step("Importing RA key", self.__import_ra_key)
else:
self.step("importing RA certificate from PKCS #12 file",
self.__import_ra_cert)
if not ra_only:
self.step("setting audit signing renewal to 2 years", self.set_audit_renewal)
self.step("restarting certificate server", self.restart_instance)
if not self.clone:
self.step("publishing the CA certificate",
self.__export_ca_chain)
self.step("adding RA agent as a trusted user", self.__create_ca_agent)
self.step("authorizing RA to modify profiles", configure_profiles_acl)
self.step("authorizing RA to manage lightweight CAs",
configure_lightweight_ca_acls)
self.step("Ensure lightweight CAs container exists",
ensure_lightweight_cas_container)
if self.clone and not promote:
self.step(
"Ensuring backward compatibility",
self.__dogtag10_migration)
self.step("configure certificate renewals", self.configure_renewal)
self.step("configure Server-Cert certificate renewal", self.track_servercert)
self.step("Configure HTTP to proxy connections",
self.http_proxy)
self.step("restarting certificate server", self.restart_instance)
self.step("updating IPA configuration", update_ipa_conf)
self.step("enabling CA instance", self.__enable_instance)
if not promote:
self.step("migrating certificate profiles to LDAP",
migrate_profiles_to_ldap)
self.step("importing IPA certificate profiles",
import_included_profiles)
self.step("adding default CA ACL", ensure_default_caacl)
self.step("adding 'ipa' CA entry", ensure_ipa_authority_entry)
self.step("configuring certmonger renewal for lightweight CAs",
self.add_lightweight_ca_tracking_requests)
if ra_only:
runtime = None
else:
runtime = 180
try:
self.start_creation(runtime=runtime)
finally:
self.clean_pkispawn_files()
def __spawn_instance(self):
"""
Create and configure a new CA instance using pkispawn.
Creates the config file with IPA specific parameters
and passes it to the base class to call pkispawn
"""
# Create an empty and secured file
(cfg_fd, cfg_file) = tempfile.mkstemp()
os.close(cfg_fd)
pent = pwd.getpwnam(self.service_user)
os.chown(cfg_file, pent.pw_uid, pent.pw_gid)
# Create CA configuration
config = RawConfigParser()
config.optionxform = str
config.add_section("CA")
# Server
config.set("CA", "pki_security_domain_name", self.security_domain_name)
config.set("CA", "pki_enable_proxy", "True")
config.set("CA", "pki_restart_configured_instance", "False")
config.set("CA", "pki_backup_keys", "True")
config.set("CA", "pki_backup_password", self.admin_password)
config.set("CA", "pki_profiles_in_ldap", "True")
config.set("CA", "pki_default_ocsp_uri",
"http://{}.{}/ca/ocsp".format(
ipalib.constants.IPA_CA_RECORD,
ipautil.format_netloc(api.env.domain)))
# Configures the status request timeout, i.e. the connect/data
# timeout on the HTTP request to get the status of Dogtag.
#
# This configuration is needed in "multiple IP address" scenarios
# where this server's hostname has multiple IP addresses but the
# HTTP server is only listening on one of them. Without a timeout,
# if a "wrong" IP address is tried first, it will take a long time
# to timeout, exceeding the overall timeout hence the request will
# not be re-tried. Setting a shorter timeout allows the request
# to be re-tried.
#
# Note that HSMs cause different behaviour so this value might
# not be suitable for when we implement HSM support. It is
# known that a value of 5s is too short in HSM environment.
#
config.set("CA", "pki_status_request_timeout", "15") # 15 seconds
# Client security database
config.set("CA", "pki_client_pkcs12_password", self.admin_password)
# Administrator
config.set("CA", "pki_admin_name", self.admin_user)
config.set("CA", "pki_admin_uid", self.admin_user)
config.set("CA", "pki_admin_email", "root@localhost")
config.set("CA", "pki_admin_password", self.admin_password)
config.set("CA", "pki_admin_nickname", "ipa-ca-agent")
config.set("CA", "pki_admin_subject_dn",
str(DN(('cn', 'ipa-ca-agent'), self.subject_base)))
config.set("CA", "pki_client_admin_cert_p12", paths.DOGTAG_ADMIN_P12)
# Directory server
config.set("CA", "pki_ds_ldap_port", "389")
config.set("CA", "pki_ds_password", self.dm_password)
config.set("CA", "pki_ds_base_dn", six.text_type(self.basedn))
config.set("CA", "pki_ds_database", "ipaca")
if self.use_ldaps:
self._use_ldaps_during_spawn(config)
# Certificate subject DN's
config.set("CA", "pki_subsystem_subject_dn",
str(DN(('cn', 'CA Subsystem'), self.subject_base)))
config.set("CA", "pki_ocsp_signing_subject_dn",
str(DN(('cn', 'OCSP Subsystem'), self.subject_base)))
config.set("CA", "pki_sslserver_subject_dn",
str(DN(('cn', self.fqdn), self.subject_base)))
config.set("CA", "pki_audit_signing_subject_dn",
str(DN(('cn', 'CA Audit'), self.subject_base)))
config.set(
"CA", "pki_ca_signing_subject_dn",
str(self.ca_subject))
# Certificate nicknames
config.set("CA", "pki_subsystem_nickname", "subsystemCert cert-pki-ca")
config.set("CA", "pki_ocsp_signing_nickname", "ocspSigningCert cert-pki-ca")
config.set("CA", "pki_sslserver_nickname", "Server-Cert cert-pki-ca")
config.set("CA", "pki_audit_signing_nickname", "auditSigningCert cert-pki-ca")
config.set("CA", "pki_ca_signing_nickname", "caSigningCert cert-pki-ca")
# CA key algorithm
config.set("CA", "pki_ca_signing_key_algorithm", self.ca_signing_algorithm)
if not (os.path.isdir(paths.PKI_TOMCAT_ALIAS_DIR) and
os.path.isfile(paths.PKI_TOMCAT_PASSWORD_CONF)):
# generate pin which we know can be used for FIPS NSS database
pki_pin = ipautil.ipa_generate_password()
config.set("CA", "pki_pin", pki_pin)
else:
pki_pin = None
if self.clone:
if self.no_db_setup:
config.set("CA", "pki_ds_create_new_db", "False")
config.set("CA", "pki_clone_setup_replication", "False")
config.set("CA", "pki_clone_reindex_data", "True")
cafile = self.pkcs12_info[0]
shutil.copy(cafile, paths.TMP_CA_P12)
pent = pwd.getpwnam(self.service_user)
os.chown(paths.TMP_CA_P12, pent.pw_uid, pent.pw_gid)
# Security domain registration
config.set("CA", "pki_security_domain_hostname", self.master_host)
config.set("CA", "pki_security_domain_https_port", "443")
config.set("CA", "pki_security_domain_user", self.admin_user)
config.set("CA", "pki_security_domain_password", self.admin_password)
# Clone
config.set("CA", "pki_clone", "True")
config.set("CA", "pki_clone_pkcs12_path", paths.TMP_CA_P12)
config.set("CA", "pki_clone_pkcs12_password", self.dm_password)
config.set("CA", "pki_clone_replication_security", "TLS")
config.set("CA", "pki_clone_replication_master_port", str(self.master_replication_port))
config.set("CA", "pki_clone_replication_clone_port", "389")
config.set("CA", "pki_clone_replicate_schema", "False")
config.set("CA", "pki_clone_uri", "https://%s" % ipautil.format_netloc(self.master_host, 443))
# External CA
if self.external == 1:
config.set("CA", "pki_external", "True")
config.set("CA", "pki_external_csr_path", self.csr_file)
if self.ca_type == ExternalCAType.MS_CS.value:
# Include MS template name extension in the CSR
template = self.external_ca_profile
if template is None:
# default template name
template = MSCSTemplateV1(u"SubCA")
ext_data = binascii.hexlify(template.get_ext_data())
config.set("CA", "pki_req_ext_add", "True")
config.set("CA", "pki_req_ext_oid", template.ext_oid)
config.set("CA", "pki_req_ext_critical", "False")
config.set("CA", "pki_req_ext_data", ext_data.decode('ascii'))
elif self.external == 2:
cert_file = tempfile.NamedTemporaryFile()
with open(self.cert_file, 'rb') as f:
ext_cert = x509.load_unknown_x509_certificate(f.read())
cert_file.write(ext_cert.public_bytes(x509.Encoding.PEM))
cert_file.flush()
result = ipautil.run(
[paths.OPENSSL, 'crl2pkcs7',
'-certfile', self.cert_chain_file,
'-nocrl'],
capture_output=True)
cert_chain = result.output
# Dogtag chokes on the header and footer, remove them
# https://bugzilla.redhat.com/show_bug.cgi?id=1127838
cert_chain = re.search(
r'(?<=-----BEGIN PKCS7-----).*?(?=-----END PKCS7-----)',
cert_chain, re.DOTALL).group(0)
cert_chain_file = ipautil.write_tmp_file(cert_chain)
config.set("CA", "pki_external", "True")
config.set("CA", "pki_external_ca_cert_path", cert_file.name)
config.set("CA", "pki_external_ca_cert_chain_path", cert_chain_file.name)
config.set("CA", "pki_external_step_two", "True")
# Generate configuration file
with open(cfg_file, "w") as f:
config.write(f)
self.backup_state('installed', True)
try:
DogtagInstance.spawn_instance(
self, cfg_file,
nolog_list=(self.dm_password,
self.admin_password,
pki_pin)
)
finally:
os.remove(cfg_file)
if self.external == 1:
print("The next step is to get %s signed by your CA and re-run %s as:" % (self.csr_file, sys.argv[0]))
print("%s --external-cert-file=/path/to/signed_certificate --external-cert-file=/path/to/external_ca_certificate" % sys.argv[0])
sys.exit(0)
else:
shutil.move(paths.CA_BACKUP_KEYS_P12,
paths.CACERT_P12)
logger.debug("completed creating ca instance")
def safe_backup_config(self):
"""
Safely handle exceptions if backup_config fails
The parent class raises an exception if the configuration
cannot be backed up. Catch that and log the message but
don't stop the current installer.
"""
try:
super(CAInstance, self).backup_config()
except Exception as e:
logger.warning("Failed to backup CS.cfg: %s", e)
def create_certstore_passwdfile(self):
"""
This method creates a 'pwdfile.txt' file in the Dogtag certificate
store so that this file can be assumed and used for NSSDatabase/CertDB
operations in 'certutil' calls.
"""
passwd = None
token = 'internal'
with open(paths.PKI_TOMCAT_PASSWORD_CONF, 'r') as f:
for line in f:
(tok, pin) = line.split('=', 1)
if token == tok:
passwd = pin.strip()
break
else:
raise RuntimeError(
"The password to the 'internal' token of the Dogtag "
"certificate store was not found.")
db = certs.CertDB(self.realm, nssdir=paths.PKI_TOMCAT_ALIAS_DIR)
db.create_passwd_file(passwd)
def __update_topology(self):
ld = ldapupdate.LDAPUpdate(ldapi=True, sub_dict={
'SUFFIX': api.env.basedn,
'FQDN': self.fqdn,
})
ld.update([paths.CA_TOPOLOGY_ULDIF])
def __disable_nonce(self):
# Turn off Nonces
update_result = installutils.update_file(
self.config, 'ca.enableNonces=true',
'ca.enableNonces=false')
if update_result != 0:
raise RuntimeError("Disabling nonces failed")
pent = pwd.getpwnam(self.service_user)
os.chown(self.config, pent.pw_uid, pent.pw_gid)
def enable_pkix(self):
installutils.set_directive(paths.SYSCONFIG_PKI_TOMCAT,
'NSS_ENABLE_PKIX_VERIFY', '1',
quotes=False, separator='=')
def __import_ra_cert(self):
"""
Helper method for IPA domain level 0 replica install
"""
self.import_ra_cert(self.ra_p12, self.dm_password)
def import_ra_cert(self, rafile, password=''):
"""
Cloned RAs will use the same RA agent cert as the master so we
need to import from a PKCS#12 file.
Used when setting up replication
"""
with ipautil.write_tmp_file(password + '\n') as f:
pwdarg = 'file:{file}'.format(file=f.name)
# get the private key from the file
ipautil.run([paths.OPENSSL,
"pkcs12",
"-in", rafile,
"-nocerts", "-nodes",
"-out", paths.RA_AGENT_KEY,
"-passin", pwdarg])
# get the certificate from the pkcs12 file
ipautil.run([paths.OPENSSL,
"pkcs12",
"-in", rafile,
"-clcerts", "-nokeys",
"-out", paths.RA_AGENT_PEM,
"-passin", pwdarg])
self.__set_ra_cert_perms()
self.configure_agent_renewal()
def __import_ra_key(self):
custodia = custodiainstance.CustodiaInstance(host_name=self.fqdn,
realm=self.realm)
custodia.import_ra_key(self.master_host)
self.__set_ra_cert_perms()
self.configure_agent_renewal()
def __set_ra_cert_perms(self):
"""
Sets the correct permissions for the RA_AGENT_PEM, RA_AGENT_KEY files
"""
ipaapi_gid = grp.getgrnam(ipalib.constants.IPAAPI_GROUP).gr_gid
for fname in (paths.RA_AGENT_PEM, paths.RA_AGENT_KEY):
os.chown(fname, -1, ipaapi_gid)
os.chmod(fname, 0o440)
tasks.restore_context(fname)
def __create_ca_agent(self):
"""
Create CA agent, assign a certificate, and add the user to
the appropriate groups for accessing CA services.
"""
# connect to CA database
conn = ldap2.ldap2(api)
conn.connect(autobind=True)
# create ipara user with RA certificate
user_dn = DN(('uid', "ipara"), ('ou', 'People'), self.basedn)
entry = conn.make_entry(
user_dn,
objectClass=['top', 'person', 'organizationalPerson',
'inetOrgPerson', 'cmsuser'],
uid=["ipara"],
sn=["ipara"],
cn=["ipara"],
usertype=["agentType"],
userstate=["1"],
userCertificate=[self.ra_cert],
description=['2;%s;%s;%s' % (
self.ra_cert.serial_number,
DN(self.ca_subject),
DN(('CN', 'IPA RA'), self.subject_base))])
conn.add_entry(entry)
# add ipara user to Certificate Manager Agents group
group_dn = DN(('cn', 'Certificate Manager Agents'), ('ou', 'groups'),
self.basedn)
conn.add_entry_to_group(user_dn, group_dn, 'uniqueMember')
# add ipara user to Registration Manager Agents group
group_dn = DN(('cn', 'Registration Manager Agents'), ('ou', 'groups'),
self.basedn)
conn.add_entry_to_group(user_dn, group_dn, 'uniqueMember')
conn.disconnect()
def __get_ca_chain(self):
try:
return dogtag.get_ca_certchain(ca_host=self.fqdn)
except Exception as e:
raise RuntimeError("Unable to retrieve CA chain: %s" % str(e))
def __export_ca_chain(self):
"""
Get the CA chain from Dogtag NSS DB and write it to paths.IPA_CA_CRT
"""
# Getting Dogtag CA chain
chain = self.__get_ca_chain()
# Convert to DER because the chain comes back as one long string which
# makes openssl throw up.
data = base64.b64decode(chain)
# Get list of PEM certificates
certlist = x509.pkcs7_to_certs(data, x509.DER)
# We need to append the certs to the existing file, so start by
# reading the file
if os.path.isfile(paths.IPA_CA_CRT):
ca_certs = x509.load_certificate_list_from_file(paths.IPA_CA_CRT)
certlist.extend(ca_certs)
# We have all the certificates in certlist, write them to a PEM file
for path in [paths.IPA_CA_CRT,
paths.KDC_CA_BUNDLE_PEM,
paths.CA_BUNDLE_PEM]:
x509.write_certificate_list(certlist, path)
def __request_ra_certificate(self):
"""
Request the IPA RA certificate from dogtag.
dogtag automatically generates an admin certificate that
in a usual deployment would be used in the UI to handle
administrative duties. IPA does not use this certificate
except as a bootstrap to generate the RA.
To do this it bends over backwards a bit by modifying the
way typical certificates are retrieved using certmonger by
forcing it to call dogtag-submit directly.
"""
# create a temp PEM file storing the CA chain
chain_file = tempfile.NamedTemporaryFile(
mode="w", dir=paths.VAR_LIB_IPA, delete=False)
chain_file.close()
chain = self.__get_ca_chain()
data = base64.b64decode(chain)
ipautil.run(
[paths.OPENSSL,
"pkcs7",
"-inform",
"DER",
"-print_certs",
"-out", chain_file.name,
], stdin=data, capture_output=False)
# CA agent cert in PEM form
agent_cert = tempfile.NamedTemporaryFile(
mode="w", dir=paths.VAR_LIB_IPA, delete=False)
agent_cert.close()
# CA agent key in PEM form
agent_key = tempfile.NamedTemporaryFile(
mode="w", dir=paths.VAR_LIB_IPA, delete=False)
agent_key.close()
certs.install_pem_from_p12(paths.DOGTAG_ADMIN_P12,
self.dm_password,
agent_cert.name)
certs.install_key_from_p12(paths.DOGTAG_ADMIN_P12,
self.dm_password,
agent_key.name)
agent_args = [paths.CERTMONGER_DOGTAG_SUBMIT,
"--cafile", chain_file.name,
"--ee-url", 'http://%s:8080/ca/ee/ca/' % self.fqdn,
"--agent-url",
'https://%s:8443/ca/agent/ca/' % self.fqdn,
"--certfile", agent_cert.name,
"--keyfile", agent_key.name, ]
helper = " ".join(agent_args)
# configure certmonger renew agent to use temporary agent cert
old_helper = certmonger.modify_ca_helper(
ipalib.constants.RENEWAL_CA_NAME, helper)
try:
# The certificate must be requested using caServerCert profile
# because this profile does not require agent authentication
reqId = certmonger.request_and_wait_for_cert(
certpath=(paths.RA_AGENT_PEM, paths.RA_AGENT_KEY),
principal='host/%s' % self.fqdn,
subject=str(DN(('CN', 'IPA RA'), self.subject_base)),
ca=ipalib.constants.RENEWAL_CA_NAME,
profile='caServerCert',
pre_command='renew_ra_cert_pre',
post_command='renew_ra_cert',
storage="FILE")
self.__set_ra_cert_perms()
self.requestId = str(reqId)
self.ra_cert = x509.load_certificate_from_file(
paths.RA_AGENT_PEM)
finally:
# we can restore the helper parameters
certmonger.modify_ca_helper(
ipalib.constants.RENEWAL_CA_NAME, old_helper)
# remove any temporary files
for f in (chain_file, agent_cert, agent_key):
try:
os.remove(f.name)
except OSError:
pass
def prepare_crl_publish_dir(self):
"""
Prepare target directory for CRL publishing
Returns a path to the CRL publishing directory
"""
publishdir = paths.PKI_CA_PUBLISH_DIR
if not os.path.exists(publishdir):
os.mkdir(publishdir)
os.chmod(publishdir, 0o775)
pent = pwd.getpwnam(self.service_user)
os.chown(publishdir, 0, pent.pw_gid)
tasks.restore_context(publishdir)
return publishdir
def __enable_crl_publish(self):
"""
Enable file-based CRL publishing and disable LDAP publishing.
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Certificate_System/8.0/html/Admin_Guide/Setting_up_Publishing.html
"""
with installutils.DirectiveSetter(self.config,
quotes=False, separator='=') as ds:
# Enable file publishing, disable LDAP
ds.set('ca.publish.enable', 'true')
ds.set('ca.publish.ldappublish.enable', 'false')
# Create the file publisher, der only, not b64
ds.set(
'ca.publish.publisher.impl.FileBasedPublisher.class',
'com.netscape.cms.publish.publishers.FileBasedPublisher'
)
prefix = 'ca.publish.publisher.instance.FileBaseCRLPublisher.'
ds.set(prefix + 'crlLinkExt', 'bin')
ds.set(prefix + 'directory', self.prepare_crl_publish_dir())
ds.set(prefix + 'latestCrlLink', 'true')
ds.set(prefix + 'pluginName', 'FileBasedPublisher')
ds.set(prefix + 'timeStamp', 'LocalTime')
ds.set(prefix + 'zipCRLs', 'false')
ds.set(prefix + 'zipLevel', '9')
ds.set(prefix + 'Filename.b64', 'false')
ds.set(prefix + 'Filename.der', 'true')
# The publishing rule
ds.set('ca.publish.rule.instance.FileCrlRule.enable', 'true')
ds.set('ca.publish.rule.instance.FileCrlRule.mapper', 'NoMap')
ds.set('ca.publish.rule.instance.FileCrlRule.pluginName', 'Rule')
ds.set('ca.publish.rule.instance.FileCrlRule.predicate', '')
ds.set(
'ca.publish.rule.instance.FileCrlRule.publisher',
'FileBaseCRLPublisher'
)
ds.set('ca.publish.rule.instance.FileCrlRule.type', 'crl')
# Now disable LDAP publishing
ds.set('ca.publish.rule.instance.LdapCaCertRule.enable', 'false')
ds.set('ca.publish.rule.instance.LdapCrlRule.enable', 'false')
ds.set(
'ca.publish.rule.instance.LdapUserCertRule.enable',
'false'
)
ds.set('ca.publish.rule.instance.LdapXCertRule.enable', 'false')
# If we are the initial master then we are the CRL generator,
# otherwise we point to that master for CRLs.
if not self.clone:
# These next two are defaults, but I want to be explicit
# that the initial master is the CRL generator.
ds.set('ca.crl.MasterCRL.enableCRLCache', 'true')
ds.set('ca.crl.MasterCRL.enableCRLUpdates', 'true')
ds.set('ca.listenToCloneModifications', 'true')
else:
ds.set('ca.crl.MasterCRL.enableCRLCache', 'false')
ds.set('ca.crl.MasterCRL.enableCRLUpdates', 'false')
ds.set('ca.listenToCloneModifications', 'false')
def uninstall(self):
# just eat state
self.restore_state("enabled")
DogtagInstance.uninstall(self)
self.restore_state("installed")
# At one time we removed this user on uninstall. That can potentially
# orphan files, or worse, if another useradd runs in the interim,
# cause files to have a new owner.
self.restore_state("user_exists")
services.knownservices.messagebus.start()
cmonger = services.knownservices.certmonger
cmonger.start()
bus = dbus.SystemBus()
obj = bus.get_object('org.fedorahosted.certmonger',
'/org/fedorahosted/certmonger')
iface = dbus.Interface(obj, 'org.fedorahosted.certmonger')
for suffix in ['', '-reuse']:
name = 'dogtag-ipa-ca-renew-agent' + suffix
path = iface.find_ca_by_nickname(name)
if path:
iface.remove_known_ca(path)
cmonger.stop()
# remove CRL files
logger.info("Remove old CRL files")
try:
for f in get_crl_files():
logger.debug("Remove %s", f)
installutils.remove_file(f)
except OSError as e:
logger.warning("Error while removing old CRL files: %s", e)
# remove CRL directory
logger.info("Remove CRL directory")
if os.path.exists(paths.PKI_CA_PUBLISH_DIR):
try:
shutil.rmtree(paths.PKI_CA_PUBLISH_DIR)
except OSError as e:
logger.warning("Error while removing CRL publish "
"directory: %s", e)
def unconfigure_certmonger_renewal_guard(self):
if not self.is_configured():
return
helper = self.restore_state('certmonger_dogtag_helper')
if helper:
bus = dbus.SystemBus()
obj = bus.get_object('org.fedorahosted.certmonger',
'/org/fedorahosted/certmonger')
iface = dbus.Interface(obj, 'org.fedorahosted.certmonger')
path = iface.find_ca_by_nickname('dogtag-ipa-renew-agent')
if path:
ca_obj = bus.get_object('org.fedorahosted.certmonger', path)
ca_iface = dbus.Interface(ca_obj,
'org.freedesktop.DBus.Properties')
ca_iface.Set('org.fedorahosted.certmonger.ca',
'external-helper', helper)
def configure_agent_renewal(self):
try:
certmonger.start_tracking(
certpath=(paths.RA_AGENT_PEM, paths.RA_AGENT_KEY),
ca='dogtag-ipa-ca-renew-agent',
pre_command='renew_ra_cert_pre',
post_command='renew_ra_cert',
storage='FILE')
except RuntimeError as e:
logger.error(
"certmonger failed to start tracking certificate: %s", e)
def stop_tracking_certificates(self):
"""Stop tracking our certificates. Called on uninstall.
"""
super(CAInstance, self).stop_tracking_certificates(False)
# stop tracking lightweight CA signing certs
for request_id in certmonger.get_requests_for_dir(self.nss_db):
nickname = certmonger.get_request_value(request_id, 'key-nickname')
if nickname.startswith('caSigningCert cert-pki-ca '):
certmonger.stop_tracking(self.nss_db, nickname=nickname)
try:
certmonger.stop_tracking(certfile=paths.RA_AGENT_PEM)
except RuntimeError as e:
logger.error(
"certmonger failed to stop tracking certificate: %s", e)
services.knownservices.certmonger.stop()
def set_audit_renewal(self):
"""
The default renewal time for the audit signing certificate is
six months rather than two years. Fix it. This is BZ 843979.
"""
# Check the default validity period of the audit signing cert
# and set it to 2 years if it is 6 months.
cert_range = installutils.get_directive(
paths.CASIGNEDLOGCERT_CFG,
'policyset.caLogSigningSet.2.default.params.range',
separator='='
)
logger.debug(
'caSignedLogCert.cfg profile validity range is %s', cert_range)
if cert_range == "180":
installutils.set_directive(
paths.CASIGNEDLOGCERT_CFG,
'policyset.caLogSigningSet.2.default.params.range',
'720',
quotes=False,
separator='='
)
installutils.set_directive(
paths.CASIGNEDLOGCERT_CFG,
'policyset.caLogSigningSet.2.constraint.params.range',
'720',
quotes=False,
separator='='
)
logger.debug(
'updated caSignedLogCert.cfg profile validity range to 720')
return True
return False
def is_renewal_master(self, fqdn=None):
if fqdn is None:
fqdn = api.env.host
dn = DN(('cn', 'CA'), ('cn', fqdn), ('cn', 'masters'), ('cn', 'ipa'),
('cn', 'etc'), api.env.basedn)
renewal_filter = '(ipaConfigString=caRenewalMaster)'
try:
api.Backend.ldap2.get_entries(base_dn=dn, filter=renewal_filter,
attrs_list=[])
except errors.NotFound:
return False
return True
def set_renewal_master(self, fqdn=None):
if fqdn is None:
fqdn = api.env.host
base_dn = DN(('cn', 'masters'), ('cn', 'ipa'), ('cn', 'etc'),
api.env.basedn)
filter = '(&(cn=CA)(ipaConfigString=caRenewalMaster))'
try:
entries = api.Backend.ldap2.get_entries(
base_dn=base_dn, filter=filter, attrs_list=['ipaConfigString'])
except errors.NotFound:
entries = []
dn = DN(('cn', 'CA'), ('cn', fqdn), base_dn)
master_entry = api.Backend.ldap2.get_entry(dn, ['ipaConfigString'])
for entry in entries:
if master_entry is not None and entry.dn == master_entry.dn:
master_entry = None
continue
entry['ipaConfigString'] = [x for x in entry['ipaConfigString']
if x.lower() != 'carenewalmaster']
api.Backend.ldap2.update_entry(entry)
if master_entry is not None:
master_entry['ipaConfigString'].append('caRenewalMaster')
api.Backend.ldap2.update_entry(master_entry)
def update_cert_config(self, nickname, cert):
"""
When renewing a CA subsystem certificate the configuration file
needs to get the new certificate as well.
nickname is one of the known nicknames.
cert is a DER-encoded certificate.
"""
# The cert directive to update per nickname
directives = {'auditSigningCert cert-pki-ca': 'ca.audit_signing.cert',
'ocspSigningCert cert-pki-ca': 'ca.ocsp_signing.cert',
'caSigningCert cert-pki-ca': 'ca.signing.cert',
'subsystemCert cert-pki-ca': 'ca.subsystem.cert',
'Server-Cert cert-pki-ca': 'ca.sslserver.cert'}
try:
self.backup_config()
except Exception as e:
syslog.syslog(syslog.LOG_ERR, "Failed to backup CS.cfg: %s" % e)
if nickname in directives:
super(CAInstance, self).update_cert_cs_cfg(
directives[nickname], cert)
def __create_ds_db(self):
'''
Create PKI database. Is needed when pkispawn option
pki_ds_create_new_db is set to False
'''
backend = 'ipaca'
suffix = DN(('o', 'ipaca'))
# replication
dn = DN(('cn', str(suffix)), ('cn', 'mapping tree'), ('cn', 'config'))
entry = api.Backend.ldap2.make_entry(
dn,
objectclass=["top", "extensibleObject", "nsMappingTree"],
cn=[suffix],
)
entry['nsslapd-state'] = ['Backend']
entry['nsslapd-backend'] = [backend]
api.Backend.ldap2.add_entry(entry)
# database
dn = DN(('cn', 'ipaca'), ('cn', 'ldbm database'), ('cn', 'plugins'),
('cn', 'config'))
entry = api.Backend.ldap2.make_entry(
dn,
objectclass=["top", "extensibleObject", "nsBackendInstance"],
cn=[backend],
)
entry['nsslapd-suffix'] = [suffix]
api.Backend.ldap2.add_entry(entry)
def __setup_replication(self):
repl = replication.CAReplicationManager(self.realm, self.fqdn)
repl.setup_cs_replication(self.master_host)
# Activate Topology for o=ipaca segments
self.__update_topology()
def __enable_instance(self):
basedn = ipautil.realm_to_suffix(self.realm)
if not self.clone:
config = ['caRenewalMaster']
else:
config = []
self.ldap_enable('CA', self.fqdn, None, basedn, config)
def setup_lightweight_ca_key_retrieval(self):
if sysupgrade.get_upgrade_state('dogtag', 'setup_lwca_key_retrieval'):
return
logger.info('[Set up lightweight CA key retrieval]')
self.__setup_lightweight_ca_key_retrieval_kerberos()
self.__setup_lightweight_ca_key_retrieval_custodia()
logger.info('Configuring key retriever')
directives = [
('features.authority.keyRetrieverClass',
'com.netscape.ca.ExternalProcessKeyRetriever'),
('features.authority.keyRetrieverConfig.executable',
'/usr/libexec/ipa/ipa-pki-retrieve-key'),
]
for k, v in directives:
installutils.set_directive(
self.config, k, v, quotes=False, separator='=')
sysupgrade.set_upgrade_state('dogtag', 'setup_lwca_key_retieval', True)
def __setup_lightweight_ca_key_retrieval_kerberos(self):
pent = pwd.getpwnam(self.service_user)
logger.info('Creating principal')
installutils.kadmin_addprinc(self.principal)
self.suffix = ipautil.realm_to_suffix(self.realm)
self.move_service(self.principal)
logger.info('Retrieving keytab')
installutils.create_keytab(self.keytab, self.principal)
os.chmod(self.keytab, 0o600)
os.chown(self.keytab, pent.pw_uid, pent.pw_gid)
def __setup_lightweight_ca_key_retrieval_custodia(self):
pent = pwd.getpwnam(self.service_user)
logger.info('Creating Custodia keys')
custodia_basedn = DN(
('cn', 'custodia'), ('cn', 'ipa'), ('cn', 'etc'), api.env.basedn)
ensure_entry(
custodia_basedn,
objectclass=['top', 'nsContainer'],
cn=['custodia'],
)
ensure_entry(
DN(('cn', 'dogtag'), custodia_basedn),
objectclass=['top', 'nsContainer'],
cn=['dogtag'],
)
keyfile = os.path.join(paths.PKI_TOMCAT, self.service_prefix + '.keys')
keystore = IPAKEMKeys({'server_keys': keyfile})
keystore.generate_keys(self.service_prefix)
os.chmod(keyfile, 0o600)
os.chown(keyfile, pent.pw_uid, pent.pw_gid)
def __remove_lightweight_ca_key_retrieval_custodia(self):
keyfile = os.path.join(paths.PKI_TOMCAT,
self.service_prefix + '.keys')
keystore = IPAKEMKeys({'server_keys': keyfile})
# Call remove_server_keys_file explicitly to ensure that the key
# file is always removed.
keystore.remove_server_keys_file()
try:
keystore.remove_keys(self.service_prefix)
except (ldap.CONNECT_ERROR, ldap.SERVER_DOWN):
logger.debug(
"Cannot remove custodia keys now, server_del takes care of "
"them later."
)
def add_lightweight_ca_tracking_requests(self):
try:
lwcas = api.Backend.ldap2.get_entries(
base_dn=api.env.basedn,
filter='(objectclass=ipaca)',
attrs_list=['cn', 'ipacaid'],
)
add_lightweight_ca_tracking_requests(lwcas)
except errors.NotFound:
# shouldn't happen, but don't fail if it does
logger.warning(
"Did not find any lightweight CAs; nothing to track")
def __dogtag10_migration(self):
ld = ldapupdate.LDAPUpdate(ldapi=True, sub_dict={
'SUFFIX': api.env.basedn,
'FQDN': self.fqdn,
})
ld.update([os.path.join(paths.UPDATES_DIR,
'50-dogtag10-migration.update')]
)
def replica_ca_install_check(config, promote):
if promote:
return
# Check if the master has the necessary schema in its CA instance
ca_ldap_url = 'ldap://%s:%s' % (config.ca_host_name, config.ca_ds_port)
objectclass = 'ipaObject'
logger.debug('Checking if IPA schema is present in %s', ca_ldap_url)
try:
with ipaldap.LDAPClient(
ca_ldap_url,
start_tls=True,
cacert=config.dir + "/ca.crt",
force_schema_updates=False) as connection:
connection.simple_bind(bind_dn=ipaldap.DIRMAN_DN,
bind_password=config.dirman_password)
rschema = connection.schema
result = rschema.get_obj(ldap.schema.models.ObjectClass,
objectclass)
except Exception:
logger.critical(
'CA DS schema check failed. Make sure the PKI service on the '
'remote master is operational.')
raise
if result:
logger.debug('Check OK')
else:
logger.critical(
'The master CA directory server does not have necessary schema. '
'Please run copy-schema-to-ca.py on all CA masters.\n'
'If you are certain that this is a false positive, use '
'--skip-schema-check.')
sys.exit('IPA schema missing on master CA directory server')
def __update_entry_from_cert(make_filter, make_entry, cert):
"""
Given a certificate and functions to make a filter based on the
cert, and make a new entry based on the cert, update database
accordingly.
:param make_filter:
function that takes a certificate in DER format and
returns an LDAP search filter
:param make_entry:
function that takes a certificate in DER format and an
LDAP entry, and returns the new state of the LDAP entry.
Return the input unchanged to skip an entry.
:param cert:
An IPACertificate object
Logging is done via syslog.
Return ``True`` if all updates were successful (zero updates is
vacuously successful) otherwise ``False``.
"""
base_dn = DN(('o', 'ipaca'))
attempts = 0
updated = False
while attempts < 10:
conn = None
try:
conn = ldap2.ldap2(api)
conn.connect(autobind=True)
db_filter = make_filter(cert)
try:
entries = conn.get_entries(base_dn, conn.SCOPE_SUBTREE, db_filter)
except errors.NotFound:
entries = []
updated = True
for entry in entries:
syslog.syslog(
syslog.LOG_NOTICE, 'Updating entry %s' % str(entry.dn))
try:
entry = make_entry(cert, entry)
conn.update_entry(entry)
except errors.EmptyModlist:
pass
except Exception as e:
syslog.syslog(
syslog.LOG_ERR,
'Updating entry %s failed: %s' % (str(entry.dn), e))
updated = False
break
except errors.NetworkError:
syslog.syslog(
syslog.LOG_ERR,
'Connection to %s failed, sleeping 30s' % api.env.ldap_uri)
time.sleep(30)
attempts += 1
except Exception as e:
syslog.syslog(syslog.LOG_ERR, 'Caught unhandled exception: %s' % e)
break
finally:
if conn is not None and conn.isconnected():
conn.disconnect()
if not updated:
syslog.syslog(syslog.LOG_ERR, 'Update failed.')
return False
return True
def update_people_entry(cert):
"""
Update the userCerticate for an entry in the dogtag ou=People. This
is needed when a certificate is renewed.
"""
def make_filter(cert):
subject = DN(cert.subject)
issuer = DN(cert.issuer)
return ldap2.ldap2.combine_filters(
[
ldap2.ldap2.make_filter({'objectClass': 'inetOrgPerson'}),
ldap2.ldap2.make_filter(
{'description': ';%s;%s' % (issuer, subject)},
exact=False, trailing_wildcard=False),
],
ldap2.ldap2.MATCH_ALL)
def make_entry(cert, entry):
serial_number = cert.serial_number
subject = DN(cert.subject)
issuer = DN(cert.issuer)
entry['usercertificate'].append(cert)
entry['description'] = '2;%d;%s;%s' % (serial_number, issuer, subject)
return entry
return __update_entry_from_cert(make_filter, make_entry, cert)
def update_authority_entry(cert):
"""
Find the authority entry for the given cert, and update the
serial number to match the given cert.
"""
def make_filter(cert):
subject = str(DN(cert.subject))
return ldap2.ldap2.make_filter(
dict(objectclass='authority', authoritydn=subject),
rules=ldap2.ldap2.MATCH_ALL,
)
def make_entry(cert, entry):
entry['authoritySerial'] = cert.serial_number
return entry
return __update_entry_from_cert(make_filter, make_entry, cert)
def ensure_ldap_profiles_container():
ensure_entry(
DN(('ou', 'certificateProfiles'), ('ou', 'ca'), ('o', 'ipaca')),
objectclass=['top', 'organizationalUnit'],
ou=['certificateProfiles'],
)
def ensure_lightweight_cas_container():
return ensure_entry(
DN(('ou', 'authorities'), ('ou', 'ca'), ('o', 'ipaca')),
objectclass=['top', 'organizationalUnit'],
ou=['authorities'],
)
def ensure_entry(dn, **attrs):
"""Ensure an entry exists.
If an entry with the given DN already exists, return ``False``,
otherwise add the entry and return ``True``.
"""
conn = ldap2.ldap2(api)
if not conn.isconnected():
conn.connect(autobind=True)
try:
conn.get_entry(dn)
return False
except errors.NotFound:
# entry doesn't exist; add it
entry = conn.make_entry(dn, **attrs)
conn.add_entry(entry)
return True
finally:
conn.disconnect()
def configure_profiles_acl():
"""Allow the Certificate Manager Agents group to modify profiles."""
new_rules = [
'certServer.profile.configuration:read,modify' +
':allow (read,modify) group="Certificate Manager Agents"' +
':Certificate Manager agents may modify (create/update/delete) ' +
'and read profiles',
'certServer.ca.account:login,logout' +
':allow (login,logout) user="anybody"' +
':Anybody can login and logout',
]
return __add_acls(new_rules)
def configure_lightweight_ca_acls():
"""Allow Certificate Manager Agents to manage lightweight CAs."""
new_rules = [
'certServer.ca.authorities:list,read' +
':allow (list,read) user="anybody"' +
':Anybody may list and read lightweight authorities',
'certServer.ca.authorities:create,modify' +
':allow (create,modify) group="Administrators"' +
':Administrators may create and modify lightweight authorities',
'certServer.ca.authorities:delete' +
':allow (delete) group="Administrators"' +
':Administrators may delete lightweight authorities',
'certServer.ca.authorities:create,modify,delete' +
':allow (create,modify,delete) group="Certificate Manager Agents"' +
':Certificate Manager Agents may manage lightweight authorities',
]
return __add_acls(new_rules)
def __add_acls(new_rules):
"""Add the given Dogtag ACLs.
``new_rules``
Iterable of ACL rule values to add
Return ``True`` if any ACLs were added otherwise ``False``.
"""
updated = False
dn = DN(('cn', 'aclResources'), ('o', 'ipaca'))
conn = api.Backend.ldap2
entry = conn.get_entry(dn)
cur_rules = entry.get('resourceACLS', [])
add_rules = [rule for rule in new_rules if rule not in cur_rules]
if add_rules:
cur_rules.extend(add_rules)
conn.update_entry(entry)
updated = True
return updated
def __get_profile_config(profile_id):
sub_dict = dict(
DOMAIN=ipautil.format_netloc(api.env.domain),
IPA_CA_RECORD=ipalib.constants.IPA_CA_RECORD,
CRL_ISSUER='CN=Certificate Authority,o=ipaca',
SUBJECT_DN_O=dsinstance.DsInstance().find_subject_base(),
)
# To work around lack of proper profile upgrade system, we ship
# two versions of some profiles - one for new installs only, and
# the other for upgrading to LDAP-based profiles in an existing
# deployment.
#
# Select UPGRADE version if we are in the 'updates' API context
# and an upgrade-specific version of the profile exists.
#
profile_filename = '/usr/share/ipa/profiles/{}.cfg'.format(profile_id)
profile_upg_filename = \
'/usr/share/ipa/profiles/{}.UPGRADE.cfg'.format(profile_id)
if api.env.context == 'updates' and os.path.isfile(profile_upg_filename):
profile_filename = profile_upg_filename
return ipautil.template_file(profile_filename, sub_dict)
def import_included_profiles():
conn = ldap2.ldap2(api)
if not conn.isconnected():
conn.connect(autobind=True)
ensure_entry(
DN(('cn', 'ca'), api.env.basedn),
objectclass=['top', 'nsContainer'],
cn=['ca'],
)
ensure_entry(
DN(api.env.container_certprofile, api.env.basedn),
objectclass=['top', 'nsContainer'],
cn=['certprofiles'],
)
api.Backend.ra_certprofile.override_port = 8443
for (profile_id, desc, store_issued) in dogtag.INCLUDED_PROFILES:
dn = DN(('cn', profile_id),
api.env.container_certprofile, api.env.basedn)
try:
conn.get_entry(dn)
continue # the profile is present
except errors.NotFound:
# profile not found; add it
entry = conn.make_entry(
dn,
objectclass=['ipacertprofile'],
cn=[profile_id],
description=[desc],
ipacertprofilestoreissued=['TRUE' if store_issued else 'FALSE'],
)
conn.add_entry(entry)
# Create the profile, replacing any existing profile of same name
profile_data = __get_profile_config(profile_id)
_create_dogtag_profile(profile_id, profile_data, overwrite=True)
logger.info("Imported profile '%s'", profile_id)
api.Backend.ra_certprofile.override_port = None
conn.disconnect()
def repair_profile_caIPAserviceCert():
"""
A regression caused replica installation to replace the FreeIPA
version of caIPAserviceCert with the version shipped by Dogtag.
This function detects and repairs occurrences of this problem.
"""
api.Backend.ra_certprofile.override_port = 8443
profile_id = 'caIPAserviceCert'
with api.Backend.ra_certprofile as profile_api:
try:
cur_config = profile_api.read_profile(profile_id).splitlines()
except errors.RemoteRetrieveError:
# no profile there to check/repair
api.Backend.ra_certprofile.override_port = None
return
indicators = [
(
b"policyset.serverCertSet.1.default.params.name="
b"CN=$request.req_subject_name.cn$, OU=pki-ipa, O=IPA "
),
(
b"policyset.serverCertSet.9.default.params."
b"crlDistPointsPointName_0="
b"https://ipa.example.com/ipa/crl/MasterCRL.bin"
),
]
need_repair = all(l in cur_config for l in indicators)
if need_repair:
logger.debug(
"Detected that profile '%s' has been replaced with "
"incorrect version; begin repair.", profile_id)
_create_dogtag_profile(
profile_id, __get_profile_config(profile_id), overwrite=True)
logger.debug("Repair of profile '%s' complete.", profile_id)
api.Backend.ra_certprofile.override_port = None
def migrate_profiles_to_ldap():
"""Migrate profiles from filesystem to LDAP.
This must be run *after* switching to the LDAPProfileSubsystem
and restarting the CA.
The profile might already exist, e.g. if a replica was already
upgraded, so this case is ignored.
"""
ensure_ldap_profiles_container()
api.Backend.ra_certprofile.override_port = 8443
with open(paths.CA_CS_CFG_PATH) as f:
cs_cfg = f.read()
match = re.search(r'^profile\.list=(\S*)', cs_cfg, re.MULTILINE)
profile_ids = match.group(1).split(',')
time.sleep(80)
for profile_id in profile_ids:
match = re.search(
r'^profile\.{}\.config=(\S*)'.format(profile_id),
cs_cfg, re.MULTILINE
)
if match is None:
logger.info("No file for profile '%s'; skipping", profile_id)
continue
filename = match.group(1)
match = re.search(
r'^profile\.{}\.class_id=(\S*)'.format(profile_id),
cs_cfg, re.MULTILINE
)
if match is None:
logger.info("No class_id for profile '%s'; skipping", profile_id)
continue
class_id = match.group(1)
with open(filename) as f:
profile_data = f.read()
if profile_data[-1] != '\n':
profile_data += '\n'
profile_data += 'profileId={}\n'.format(profile_id)
profile_data += 'classId={}\n'.format(class_id)
# Import the profile, but do not replace it if it already exists.
# This prevents replicas from replacing IPA-managed profiles with
# Dogtag default profiles of same name.
#
_create_dogtag_profile(profile_id, profile_data, overwrite=False)
api.Backend.ra_certprofile.override_port = None
def _create_dogtag_profile(profile_id, profile_data, overwrite):
with api.Backend.ra_certprofile as profile_api:
# import the profile
try:
profile_api.create_profile(profile_data)
logger.info("Profile '%s' successfully migrated to LDAP",
profile_id)
except errors.RemoteRetrieveError as e:
logger.debug("Error migrating '%s': %s", profile_id, e)
# profile already exists
if overwrite:
try:
profile_api.disable_profile(profile_id)
except errors.RemoteRetrieveError:
logger.debug(
"Failed to disable profile '%s' "
"(it is probably already disabled)",
profile_id)
profile_api.update_profile(profile_id, profile_data)
# enable the profile
try:
profile_api.enable_profile(profile_id)
except errors.RemoteRetrieveError:
logger.debug(
"Failed to enable profile '%s' "
"(it is probably already enabled)",
profile_id)
def ensure_ipa_authority_entry():
"""Add the IPA CA ipaCa object if missing.
This requires the "host authority" authority entry to have been
created, which Dogtag will do automatically upon startup, if the
ou=authorities,ou=ca,o=ipaca container exists. Therefore, the
``ensure_lightweight_cas_container`` function must be executed,
and Dogtag restarted, before executing this function.
"""
# find out authority id, issuer DN and subject DN of IPA CA
api.Backend.ra_lightweight_ca.override_port = 8443
with api.Backend.ra_lightweight_ca as lwca:
data = lwca.read_ca('host-authority')
attrs = dict(
ipacaid=data['id'],
ipacaissuerdn=data['issuerDN'],
ipacasubjectdn=data['dn'],
)
api.Backend.ra_lightweight_ca.override_port = None
ensure_entry(
DN(api.env.container_ca, api.env.basedn),
objectclass=['top', 'nsContainer'],
cn=['cas'],
)
ensure_entry(
DN(('cn', ipalib.constants.IPA_CA_CN), api.env.container_ca, api.env.basedn),
objectclass=['top', 'ipaca'],
cn=[ipalib.constants.IPA_CA_CN],
description=['IPA CA'],
**attrs
)
def ensure_default_caacl():
"""Add the default CA ACL if missing."""
ensure_entry(
DN(('cn', 'ca'), api.env.basedn),
objectclass=['top', 'nsContainer'],
cn=['ca'],
)
ensure_entry(
DN(api.env.container_caacl, api.env.basedn),
objectclass=['top', 'nsContainer'],
cn=['certprofiles'],
)
if not api.Command.caacl_find()['result']:
api.Command.caacl_add(u'hosts_services_caIPAserviceCert',
hostcategory=u'all', servicecategory=u'all')
api.Command.caacl_add_profile(u'hosts_services_caIPAserviceCert',
certprofile=(u'caIPAserviceCert',))
def add_lightweight_ca_tracking_requests(lwcas):
"""Add tracking requests for the given lightweight CAs.
The entries must have the 'cn' and 'ipacaid' attributes.
The IPA CA, if present, is skipped.
"""
for entry in lwcas:
if ipalib.constants.IPA_CA_CN in entry['cn']:
continue
nickname = "{} {}".format(
ipalib.constants.IPA_CA_NICKNAME,
entry['ipacaid'][0])
criteria = {
'cert-database': paths.PKI_TOMCAT_ALIAS_DIR,
'cert-nickname': nickname,
'ca-name': ipalib.constants.RENEWAL_CA_NAME,
}
request_id = certmonger.get_request_id(criteria)
if request_id is None:
try:
certmonger.start_tracking(
certpath=paths.PKI_TOMCAT_ALIAS_DIR,
pin=certmonger.get_pin('internal'),
nickname=nickname,
ca=ipalib.constants.RENEWAL_CA_NAME,
profile='caCACert',
pre_command='stop_pkicad',
post_command='renew_ca_cert "%s"' % nickname,
)
logger.debug(
'Lightweight CA renewal: '
'added tracking request for "%s"', nickname)
except RuntimeError as e:
logger.error(
'Lightweight CA renewal: Certmonger failed to '
'start tracking certificate: %s', e)
else:
logger.debug(
'Lightweight CA renewal: '
'already tracking certificate "%s"', nickname)
def update_ipa_conf():
"""
Update IPA configuration file to ensure that RA plugins are enabled and
that CA host points to localhost
"""
parser = RawConfigParser()
parser.read(paths.IPA_DEFAULT_CONF)
parser.set('global', 'enable_ra', 'True')
parser.set('global', 'ra_plugin', 'dogtag')
parser.set('global', 'dogtag_version', '10')
parser.remove_option('global', 'ca_host')
with open(paths.IPA_DEFAULT_CONF, 'w') as f:
parser.write(f)
class ExternalCAProfile(object):
"""
An external CA profile configuration. Currently the only
subclasses are for Microsoft CAs, for providing data in the
"Certificate Template" extension.
Constructing this class will actually return an instance of a
subclass.
Subclasses MUST set ``valid_for``.
"""
def __init__(self, s=None):
self.unparsed_input = s
# Which external CA types is the data valid for?
# A set of VALUES of the ExternalCAType enum.
valid_for = set()
def __new__(cls, s=None):
"""Construct the ExternalCAProfile value.
Return an instance of a subclass determined by
the format of the argument.
"""
# we are directly constructing a subclass; instantiate
# it and be done
if cls is not ExternalCAProfile:
return super(ExternalCAProfile, cls).__new__(cls)
# construction via the base class; therefore the string
# argument is required, and is used to determine which
# subclass to construct
if s is None:
raise ValueError('string argument is required')
parts = s.split(':')
try:
# Is the first part on OID?
_oid = univ.ObjectIdentifier(parts[0])
# It is; construct a V2 template
return MSCSTemplateV2.__new__(MSCSTemplateV2, s)
except pyasn1.error.PyAsn1Error:
# It is not an OID; treat as a template name
return MSCSTemplateV1.__new__(MSCSTemplateV1, s)
def __getstate__(self):
return self.unparsed_input
def __setstate__(self, state):
# explicitly call __init__ method to initialise object
self.__init__(state)
class MSCSTemplate(ExternalCAProfile):
"""
An Microsoft AD-CS Template specifier.
Subclasses MUST set ext_oid.
Subclass constructors MUST set asn1obj.
"""
valid_for = set([ExternalCAType.MS_CS.value])
ext_oid = None # extension OID, as a Python str
asn1obj = None # unencoded extension data
def get_ext_data(self):
"""Return DER-encoded extension data."""
return encoder.encode(self.asn1obj)
class MSCSTemplateV1(MSCSTemplate):
"""
A v1 template specifier, per
https://msdn.microsoft.com/en-us/library/cc250011.aspx.
::
CertificateTemplateName ::= SEQUENCE {
Name UTF8String
}
But note that a bare BMPString is used in practice.
"""
ext_oid = "1.3.6.1.4.1.311.20.2"
def __init__(self, s):
super(MSCSTemplateV1, self).__init__(s)
parts = s.split(':')
if len(parts) > 1:
raise ValueError(
"Cannot specify certificate template version when using name.")
self.asn1obj = char.BMPString(six.text_type(parts[0]))
class MSCSTemplateV2(MSCSTemplate):
"""
A v2 template specifier, per
https://msdn.microsoft.com/en-us/library/windows/desktop/aa378274(v=vs.85).aspx
::
CertificateTemplate ::= SEQUENCE {
templateID EncodedObjectID,
templateMajorVersion TemplateVersion,
templateMinorVersion TemplateVersion OPTIONAL
}
TemplateVersion ::= INTEGER (0..4294967295)
"""
ext_oid = "1.3.6.1.4.1.311.21.7"
@staticmethod
def check_version_in_range(desc, n):
if n < 0 or n >= 2**32:
raise ValueError(
"Template {} version must be in range 0..4294967295"
.format(desc))
def __init__(self, s):
super(MSCSTemplateV2, self).__init__(s)
parts = s.split(':')
obj = CertificateTemplateV2()
if len(parts) < 2 or len(parts) > 3:
raise ValueError(
"Incorrect template specification; required format is: "
"<oid>:<majorVersion>[:<minorVersion>]")
try:
obj['templateID'] = univ.ObjectIdentifier(parts[0])
major = int(parts[1])
self.check_version_in_range("major", major)
obj['templateMajorVersion'] = major
if len(parts) > 2:
minor = int(parts[2])
self.check_version_in_range("minor", minor)
obj['templateMinorVersion'] = int(parts[2])
except pyasn1.error.PyAsn1Error:
raise ValueError("Could not parse certificate template specifier.")
self.asn1obj = obj
class CertificateTemplateV2(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('templateID', univ.ObjectIdentifier()),
namedtype.NamedType('templateMajorVersion', univ.Integer()),
namedtype.OptionalNamedType('templateMinorVersion', univ.Integer())
)
if __name__ == "__main__":
standard_logging_setup("install.log")
ds = dsinstance.DsInstance()
ca = CAInstance("EXAMPLE.COM")
ca.configure_instance("catest.example.com", "password", "password")
|