3 # Generates passwd, shadow and group files from the ldap directory.
5 # Copyright (c) 2000-2001 Jason Gunthorpe <jgg@debian.org>
6 # Copyright (c) 2003-2004 James Troup <troup@debian.org>
7 # Copyright (c) 2004-2005,7 Joey Schulze <joey@infodrom.org>
8 # Copyright (c) 2001-2007 Ryan Murray <rmurray@debian.org>
9 # Copyright (c) 2008,2009,2010,2011 Peter Palfrader <peter@palfrader.org>
10 # Copyright (c) 2008 Andreas Barth <aba@not.so.argh.org>
11 # Copyright (c) 2008 Mark Hymers <mhy@debian.org>
12 # Copyright (c) 2008 Luk Claes <luk@debian.org>
13 # Copyright (c) 2008 Thomas Viehmann <tv@beamnet.de>
14 # Copyright (c) 2009 Stephen Gran <steve@lobefin.net>
15 # Copyright (c) 2010 Helmut Grohne <helmut@subdivi.de>
17 # This program is free software; you can redistribute it and/or modify
18 # it under the terms of the GNU General Public License as published by
19 # the Free Software Foundation; either version 2 of the License, or
20 # (at your option) any later version.
22 # This program is distributed in the hope that it will be useful,
23 # but WITHOUT ANY WARRANTY; without even the implied warranty of
24 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 # GNU General Public License for more details.
27 # You should have received a copy of the GNU General Public License
28 # along with this program; if not, write to the Free Software
29 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 from dsa_mq.connection import Connection
32 from dsa_mq.config import Config
34 import string, re, time, ldap, optparse, sys, os, pwd, posix, socket, base64, hashlib, shutil, errno, tarfile, grp, fcntl, dbm
35 from userdir_ldap import *
36 from userdir_exceptions import *
38 from xml.etree.ElementTree import Element, SubElement, Comment
39 from xml.etree import ElementTree
40 from xml.dom import minidom
42 from cStringIO import StringIO
44 from StringIO import StringIO
46 import simplejson as json
49 if not '__author__' in json.__dict__:
50 sys.stderr.write("Warning: This is probably the wrong json module. We want python 2.6's json\n")
51 sys.stderr.write("module, or simplejson on pytyon 2.5. Let's see if/how stuff blows up.\n")
54 sys.stderr.write("You should probably not run ud-generate as root.\n")
66 UUID_FORMAT = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'
69 EmailCheck = re.compile("^([^ <>@]+@[^ ,<>@]+)(,\s*([^ <>@]+@[^ ,<>@]+))*$")
70 BSMTPCheck = re.compile(".*mx 0 (master)\.debian\.org\..*",re.DOTALL)
71 PurposeHostField = re.compile(r".*\[\[([\*\-]?[a-z0-9.\-]*)(?:\|.*)?\]\]")
72 IsDebianHost = re.compile(ConfModule.dns_hostmatch)
73 isSSHFP = re.compile("^\s*IN\s+SSHFP")
74 DNSZone = ".debian.net"
75 Keyrings = ConfModule.sync_keyrings.split(":")
76 GitoliteSSHRestrictions = getattr(ConfModule, "gitolitesshrestrictions", None)
77 GitoliteSSHCommand = getattr(ConfModule, "gitolitesshcommand", None)
78 GitoliteExportHosts = re.compile(getattr(ConfModule, "gitoliteexporthosts", "."))
79 MX_remap = json.loads(ConfModule.MX_remap)
80 use_mq = getattr(ConfModule, "use_mq", True)
82 rtc_realm = getattr(ConfModule, "rtc_realm", None)
83 rtc_append = getattr(ConfModule, "rtc_append", None)
86 """Return a pretty-printed XML string for the Element.
88 rough_string = ElementTree.tostring(elem, 'utf-8')
89 reparsed = minidom.parseString(rough_string)
90 return reparsed.toprettyxml(indent=" ")
92 def safe_makedirs(dir):
96 if e.errno == errno.EEXIST:
101 def safe_rmtree(dir):
105 if e.errno == errno.ENOENT:
110 def get_lock(fn, wait=5*60):
113 ends = time.time() + wait
118 fcntl.flock(f.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
122 if time.time() >= ends:
124 sl = min(sl*2, 10, ends - time.time())
130 return Str.translate(string.maketrans("\n\r\t", "$$$"))
132 def DoLink(From, To, File):
134 posix.remove(To + File)
137 posix.link(From + File, To + File)
139 def IsRetired(account):
141 Looks for accountStatus in the LDAP record and tries to
142 match it against one of the known retired statuses
145 status = account['accountStatus']
147 line = status.split()
150 if status == "inactive":
153 elif status == "memorial":
156 elif status == "retiring":
157 # We'll give them a few extra days over what we said
158 age = 6 * 31 * 24 * 60 * 60
160 return (time.time() - time.mktime(time.strptime(line[1], "%Y-%m-%d"))) > age
168 # See if this user is in the group list
169 def IsInGroup(account, allowed, current_host):
170 # See if the primary group is in the list
171 if str(account['gidNumber']) in allowed: return True
173 # Check the host based ACL
174 if account.is_allowed_by_hostacl(current_host): return True
176 # See if there are supplementary groups
177 if not 'supplementaryGid' in account: return False
180 addGroups(supgroups, account['supplementaryGid'], account['uid'], current_host)
186 def Die(File, F, Fdb):
192 os.remove(File + ".tmp")
196 os.remove(File + ".tdb.tmp")
200 def Done(File, F, Fdb):
203 os.rename(File + ".tmp", File)
206 os.rename(File + ".tdb.tmp", File + ".tdb")
208 # Generate the password list
209 def GenPasswd(accounts, File, HomePrefix, PwdMarker):
212 F = open(File + ".tdb.tmp", "w")
217 # Do not let people try to buffer overflow some busted passwd parser.
218 if len(a['gecos']) > 100 or len(a['loginShell']) > 50: continue
220 userlist[a['uid']] = a['gidNumber']
221 line = "%s:%s:%d:%d:%s:%s%s:%s" % (
227 HomePrefix, a['uid'],
229 line = Sanitize(line) + "\n"
230 F.write("0%u %s" % (i, line))
231 F.write(".%s %s" % (a['uid'], line))
232 F.write("=%d %s" % (a['uidNumber'], line))
235 # Oops, something unspeakable happened.
241 # Return the list of users so we know which keys to export
244 def GenAllUsers(accounts, file):
247 OldMask = os.umask(0022)
248 f = open(file + ".tmp", "w", 0644)
253 all.append( { 'uid': a['uid'],
254 'uidNumber': a['uidNumber'],
255 'active': a.pw_active() and a.shadow_active() } )
258 # Oops, something unspeakable happened.
264 # Generate the shadow list
265 def GenShadow(accounts, File):
268 OldMask = os.umask(0077)
269 F = open(File + ".tdb.tmp", "w", 0600)
274 # If the account is locked, mark it as such in shadow
275 # See Debian Bug #308229 for why we set it to 1 instead of 0
276 if not a.pw_active(): ShadowExpire = '1'
277 elif 'shadowExpire' in a: ShadowExpire = str(a['shadowExpire'])
278 else: ShadowExpire = ''
281 values.append(a['uid'])
282 values.append(a.get_password())
283 for key in 'shadowLastChange', 'shadowMin', 'shadowMax', 'shadowWarning', 'shadowInactive':
284 if key in a: values.append(a[key])
285 else: values.append('')
286 values.append(ShadowExpire)
287 line = ':'.join(values)+':'
288 line = Sanitize(line) + "\n"
289 F.write("0%u %s" % (i, line))
290 F.write(".%s %s" % (a['uid'], line))
293 # Oops, something unspeakable happened.
299 # Generate the sudo passwd file
300 def GenShadowSudo(accounts, File, untrusted, current_host):
303 OldMask = os.umask(0077)
304 F = open(File + ".tmp", "w", 0600)
309 if 'sudoPassword' in a:
310 for entry in a['sudoPassword']:
311 Match = re.compile('^('+UUID_FORMAT+') (confirmed:[0-9a-f]{40}|unconfirmed) ([a-z0-9.,*-]+) ([^ ]+)$').match(entry)
314 uuid = Match.group(1)
315 status = Match.group(2)
316 hosts = Match.group(3)
317 cryptedpass = Match.group(4)
319 if status != 'confirmed:'+make_passwd_hmac('password-is-confirmed', 'sudo', a['uid'], uuid, hosts, cryptedpass):
321 for_all = hosts == "*"
322 for_this_host = current_host in hosts.split(',')
323 if not (for_all or for_this_host):
325 # ignore * passwords for untrusted hosts, but copy host specific passwords
326 if for_all and untrusted:
329 if for_this_host: # this makes sure we take a per-host entry over the for-all entry
334 Line = "%s:%s" % (a['uid'], Pass)
335 Line = Sanitize(Line) + "\n"
336 F.write("%s" % (Line))
338 # Oops, something unspeakable happened.
344 # Generate the sudo passwd file
345 def GenSSHGitolite(accounts, hosts, File, sshcommand=None, current_host=None):
347 if sshcommand is None:
348 sshcommand = GitoliteSSHCommand
350 OldMask = os.umask(0022)
351 F = open(File + ".tmp", "w", 0600)
354 if not GitoliteSSHRestrictions is None and GitoliteSSHRestrictions != "":
356 if not 'sshRSAAuthKey' in a: continue
359 prefix = GitoliteSSHRestrictions
360 prefix = prefix.replace('@@COMMAND@@', sshcommand)
361 prefix = prefix.replace('@@USER@@', User)
362 for I in a["sshRSAAuthKey"]:
363 if I.startswith("allowed_hosts=") and ' ' in line:
364 if current_host is None:
366 machines, I = I.split('=', 1)[1].split(' ', 1)
367 if current_host not in machines.split(','):
368 continue # skip this key
370 if I.startswith('ssh-'):
371 line = "%s %s"%(prefix, I)
373 continue # do not allow keys with other restrictions that might conflict
374 line = Sanitize(line) + "\n"
377 for dn, attrs in hosts:
378 if not 'sshRSAHostKey' in attrs: continue
379 hostname = "host-" + attrs['hostname'][0]
380 prefix = GitoliteSSHRestrictions
381 prefix = prefix.replace('@@COMMAND@@', sshcommand)
382 prefix = prefix.replace('@@USER@@', hostname)
383 for I in attrs["sshRSAHostKey"]:
384 line = "%s %s"%(prefix, I)
385 line = Sanitize(line) + "\n"
388 # Oops, something unspeakable happened.
394 # Generate the shadow list
395 def GenSSHShadow(global_dir, accounts):
396 # Fetch all the users
400 if not 'sshRSAAuthKey' in a: continue
403 for I in a['sshRSAAuthKey']:
404 MultipleLine = "%s" % I
405 MultipleLine = Sanitize(MultipleLine)
406 contents.append(MultipleLine)
407 userkeys[a['uid']] = contents
410 # Generate the webPassword list
411 def GenWebPassword(accounts, File):
414 OldMask = os.umask(0077)
415 F = open(File, "w", 0600)
419 if not 'webPassword' in a: continue
420 if not a.pw_active(): continue
422 Pass = str(a['webPassword'])
423 Line = "%s:%s" % (a['uid'], Pass)
424 Line = Sanitize(Line) + "\n"
425 F.write("%s" % (Line))
431 # Generate the rtcPassword list
432 def GenRtcPassword(accounts, File):
435 OldMask = os.umask(0077)
436 F = open(File, "w", 0600)
440 if a.is_guest_account(): continue
441 if not 'rtcPassword' in a: continue
442 if not a.pw_active(): continue
444 Line = "%s%s:%s:%s:AUTHORIZED" % (a['uid'], rtc_append, str(a['rtcPassword']), rtc_realm)
445 Line = Sanitize(Line) + "\n"
446 F.write("%s" % (Line))
452 # Generate the TOTP auth file
453 def GenTOTPSeed(accounts, File):
456 OldMask = os.umask(0077)
457 F = open(File, "w", 0600)
460 F.write("# Option User Prefix Seed\n")
462 if a.is_guest_account(): continue
463 if not 'totpSeed' in a: continue
464 if not a.pw_active(): continue
466 Line = "HOTP/T30/6 %s - %s" % (a['uid'], a['totpSeed'])
467 Line = Sanitize(Line) + "\n"
468 F.write("%s" % (Line))
474 def GenSSHtarballs(global_dir, userlist, ssh_userkeys, grouprevmap, target, current_host):
475 OldMask = os.umask(0077)
476 tf = tarfile.open(name=os.path.join(global_dir, 'ssh-keys-%s.tar.gz' % current_host), mode='w:gz')
479 if f not in ssh_userkeys:
481 # If we're not exporting their primary group, don't export
484 if userlist[f] in grouprevmap.keys():
485 grname = grouprevmap[userlist[f]]
488 if int(userlist[f]) <= 100:
489 # In these cases, look it up in the normal way so we
490 # deal with cases where, for instance, users are in group
491 # users as their primary group.
492 grname = grp.getgrgid(userlist[f])[0]
497 print "User %s is supposed to have their key exported to host %s but their primary group (gid: %d) isn't in LDAP" % (f, current_host, userlist[f])
501 for line in ssh_userkeys[f]:
502 if line.startswith("allowed_hosts=") and ' ' in line:
503 machines, line = line.split('=', 1)[1].split(' ', 1)
504 if current_host not in machines.split(','):
505 continue # skip this key
508 continue # no keys for this host
509 contents = "\n".join(lines) + "\n"
511 to = tarfile.TarInfo(name=f)
512 # These will only be used where the username doesn't
513 # exist on the target system for some reason; hence,
514 # in those cases, the safest thing is for the file to
515 # be owned by root but group nobody. This deals with
516 # the bloody obscure case where the group fails to exist
517 # whilst the user does (in which case we want to avoid
518 # ending up with a file which is owned user:root to avoid
519 # a fairly obvious attack vector)
522 # Using the username / groupname fields avoids any need
523 # to give a shit^W^W^Wcare about the UIDoffset stuff.
527 to.mtime = int(time.time())
528 to.size = len(contents)
530 tf.addfile(to, StringIO(contents))
533 os.rename(os.path.join(global_dir, 'ssh-keys-%s.tar.gz' % current_host), target)
535 # add a list of groups to existing groups,
536 # including all subgroups thereof, recursively.
537 # basically this proceduces the transitive hull of the groups in
539 def addGroups(existingGroups, newGroups, uid, current_host):
540 for group in newGroups:
541 # if it's a <group>@host, split it and verify it's on the current host.
542 s = group.split('@', 1)
543 if len(s) == 2 and s[1] != current_host:
547 # let's see if we handled this group already
548 if group in existingGroups:
551 if not GroupIDMap.has_key(group):
552 print "Group", group, "does not exist but", uid, "is in it"
555 existingGroups.append(group)
557 if SubGroupMap.has_key(group):
558 addGroups(existingGroups, SubGroupMap[group], uid, current_host)
560 # Generate the group list
561 def GenGroup(accounts, File, current_host):
565 F = open(File + ".tdb.tmp", "w")
567 # Generate the GroupMap
571 GroupHasPrimaryMembers = {}
573 # Sort them into a list of groups having a set of users
575 GroupHasPrimaryMembers[ a['gidNumber'] ] = True
576 if not 'supplementaryGid' in a: continue
579 addGroups(supgroups, a['supplementaryGid'], a['uid'], current_host)
581 GroupMap[g].append(a['uid'])
583 # Output the group file.
585 for x in GroupMap.keys():
586 if not x in GroupIDMap:
589 if len(GroupMap[x]) == 0 and GroupIDMap[x] not in GroupHasPrimaryMembers:
592 grouprevmap[GroupIDMap[x]] = x
594 Line = "%s:x:%u:" % (x, GroupIDMap[x])
596 for I in GroupMap[x]:
597 Line = Line + ("%s%s" % (Comma, I))
599 Line = Sanitize(Line) + "\n"
600 F.write("0%u %s" % (J, Line))
601 F.write(".%s %s" % (x, Line))
602 F.write("=%u %s" % (GroupIDMap[x], Line))
605 # Oops, something unspeakable happened.
613 def CheckForward(accounts):
615 if not 'emailForward' in a: continue
619 # Do not allow people to try to buffer overflow busted parsers
620 if len(a['emailForward']) > 200: delete = True
621 # Check the forwarding address
622 elif EmailCheck.match(a['emailForward']) is None: delete = True
625 a.delete_mailforward()
627 # Generate the email forwarding list
628 def GenForward(accounts, File):
631 OldMask = os.umask(0022)
632 F = open(File + ".tmp", "w", 0644)
636 if not 'emailForward' in a: continue
637 Line = "%s: %s" % (a['uid'], a['emailForward'])
638 Line = Sanitize(Line) + "\n"
641 # Oops, something unspeakable happened.
647 def GenCDB(accounts, File, key):
650 OldMask = os.umask(0022)
651 # nothing else does the fsync stuff, so why do it here?
652 prefix = "/usr/bin/eatmydata " if os.path.exists('/usr/bin/eatmydata') else ''
653 Fdb = os.popen("%scdbmake %s %s.tmp"%(prefix, File, File), "w")
656 # Write out the email address for each user
658 if not key in a: continue
661 Fdb.write("+%d,%d:%s->%s\n" % (len(user), len(value), user, value))
664 # Oops, something unspeakable happened.
668 if Fdb.close() != None:
669 raise "cdbmake gave an error"
671 def GenDBM(accounts, File, key):
673 OldMask = os.umask(0022)
674 fn = os.path.join(File).encode('ascii', 'ignore')
681 Fdb = dbm.open(fn, "c")
684 # Write out the email address for each user
686 if not key in a: continue
693 # python-dbm names the files Fdb.db.db so we want to them to be Fdb.db
694 os.remove(File + ".db")
696 # python-dbm names the files Fdb.db.db so we want to them to be Fdb.db
697 os.rename (File + ".db", File)
699 # Generate the anon XEarth marker file
700 def GenMarkers(accounts, File):
703 F = open(File + ".tmp", "w")
705 # Write out the position for each user
707 if not ('latitude' in a and 'longitude' in a): continue
709 Line = "%8s %8s \"\""%(a.latitude_dec(True), a.longitude_dec(True))
710 Line = Sanitize(Line) + "\n"
715 # Oops, something unspeakable happened.
721 # Generate the debian-private subscription list
722 def GenPrivate(accounts, File):
725 F = open(File + ".tmp", "w")
727 # Write out the position for each user
729 if not a.is_active_user(): continue
730 if a.is_guest_account(): continue
731 if not 'privateSub' in a: continue
733 Line = "%s"%(a['privateSub'])
734 Line = Sanitize(Line) + "\n"
739 # Oops, something unspeakable happened.
745 # Generate a list of locked accounts
746 def GenDisabledAccounts(accounts, File):
749 F = open(File + ".tmp", "w")
750 disabled_accounts = []
752 # Fetch all the users
754 if a.pw_active(): continue
755 Line = "%s:%s" % (a['uid'], "Account is locked")
756 disabled_accounts.append(a)
757 F.write(Sanitize(Line) + "\n")
759 # Oops, something unspeakable happened.
764 return disabled_accounts
766 # Generate the list of local addresses that refuse all mail
767 def GenMailDisable(accounts, File):
770 F = open(File + ".tmp", "w")
773 if not 'mailDisableMessage' in a: continue
774 Line = "%s: %s"%(a['uid'], a['mailDisableMessage'])
775 Line = Sanitize(Line) + "\n"
778 # Oops, something unspeakable happened.
784 # Generate a list of uids that should have boolean affects applied
785 def GenMailBool(accounts, File, key):
788 F = open(File + ".tmp", "w")
791 if not key in a: continue
792 if not a[key] == 'TRUE': continue
793 Line = "%s"%(a['uid'])
794 Line = Sanitize(Line) + "\n"
797 # Oops, something unspeakable happened.
803 # Generate a list of hosts for RBL or whitelist purposes.
804 def GenMailList(accounts, File, key):
807 F = open(File + ".tmp", "w")
809 if key == "mailWhitelist": validregex = re.compile('^[-\w.]+(/[\d]+)?$')
810 else: validregex = re.compile('^[-\w.]+$')
813 if not key in a: continue
815 filtered = filter(lambda z: validregex.match(z), a[key])
816 if len(filtered) == 0: continue
817 if key == "mailRHSBL": filtered = map(lambda z: z+"/$sender_address_domain", filtered)
818 line = a['uid'] + ': ' + ' : '.join(filtered)
819 line = Sanitize(line) + "\n"
822 # Oops, something unspeakable happened.
828 def isRoleAccount(account):
829 return 'debianRoleAccount' in account['objectClass']
831 # Generate the DNS Zone file
832 def GenDNS(accounts, File):
835 F = open(File + ".tmp", "w")
837 # Fetch all the users
840 # Write out the zone file entry for each user
842 if not 'dnsZoneEntry' in a: continue
843 if not a.is_active_user() and not isRoleAccount(a): continue
844 if a.is_guest_account(): continue
847 F.write("; %s\n"%(a.email_address()))
848 for z in a["dnsZoneEntry"]:
849 Split = z.lower().split()
850 if Split[1].lower() == 'in':
851 Line = " ".join(Split) + "\n"
854 Host = Split[0] + DNSZone
855 if BSMTPCheck.match(Line) != None:
856 F.write("; Has BSMTP\n")
858 # Write some identification information
859 if not RRs.has_key(Host):
860 if Split[2].lower() in ["a", "aaaa"]:
861 Line = "%s IN TXT \"%s\"\n"%(Split[0], a.email_address())
862 for y in a["keyFingerPrint"]:
863 Line = Line + "%s IN TXT \"PGP %s\"\n"%(Split[0], FormatPGPKey(y))
867 Line = "; Err %s"%(str(Split))
872 F.write("; Errors:\n")
873 for line in str(e).split("\n"):
874 F.write("; %s\n"%(line))
877 # Oops, something unspeakable happened.
885 socket.inet_pton(socket.AF_INET6, i)
890 def ExtractDNSInfo(x):
891 hostname = GetAttr(x, "hostname")
895 TTLprefix="%s\t"%(x[1]["dnsTTL"][0])
898 if x[1].has_key("ipHostNumber"):
899 for I in x[1]["ipHostNumber"]:
901 DNSInfo.append("%s.\t%sIN\tAAAA\t%s" % (hostname, TTLprefix, I))
903 DNSInfo.append("%s.\t%sIN\tA\t%s" % (hostname, TTLprefix, I))
907 ssh_hostnames = [ hostname ]
908 if x[1].has_key("sshfpHostname"):
909 ssh_hostnames += [ h for h in x[1]["sshfpHostname"] ]
911 if 'sshRSAHostKey' in x[1]:
912 for I in x[1]["sshRSAHostKey"]:
914 key_prefix = Split[0]
915 key = base64.decodestring(Split[1])
918 # https://www.iana.org/assignments/dns-sshfp-rr-parameters/dns-sshfp-rr-parameters.xhtml
919 if key_prefix == 'ssh-rsa':
921 if key_prefix == 'ssh-dss':
923 if key_prefix == 'ssh-ed25519':
925 if Algorithm == None:
927 # and more from the registry
928 sshfp_digest_codepoints = [ (1, 'sha1'), (2, 'sha256') ]
930 fingerprints = [ ( digest_codepoint, hashlib.new(algorithm, key).hexdigest() ) for digest_codepoint, algorithm in sshfp_digest_codepoints ]
931 for h in ssh_hostnames:
932 for digest_codepoint, fingerprint in fingerprints:
933 DNSInfo.append("%s.\t%sIN\tSSHFP\t%u %d %s" % (h, TTLprefix, Algorithm, digest_codepoint, fingerprint))
935 if 'architecture' in x[1]:
936 Arch = GetAttr(x, "architecture")
938 if x[1].has_key("machine"):
939 Mach = " " + GetAttr(x, "machine")
940 DNSInfo.append("%s.\t%sIN\tHINFO\t\"%s%s\" \"%s\"" % (hostname, TTLprefix, Arch, Mach, "Debian"))
942 if x[1].has_key("mXRecord"):
943 for I in x[1]["mXRecord"]:
945 for e in MX_remap[I]:
946 DNSInfo.append("%s.\t%sIN\tMX\t%s" % (hostname, TTLprefix, e))
948 DNSInfo.append("%s.\t%sIN\tMX\t%s" % (hostname, TTLprefix, I))
952 # Generate the DNS records
953 def GenZoneRecords(host_attrs, File):
956 F = open(File + ".tmp", "w")
958 # Fetch all the hosts
960 if x[1].has_key("hostname") == 0:
963 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
966 for Line in ExtractDNSInfo(x):
969 # Oops, something unspeakable happened.
975 # Generate the BSMTP file
976 def GenBSMTP(accounts, File, HomePrefix):
979 F = open(File + ".tmp", "w")
981 # Write out the zone file entry for each user
983 if not 'dnsZoneEntry' in a: continue
984 if not a.is_active_user(): continue
987 for z in a["dnsZoneEntry"]:
988 Split = z.lower().split()
989 if Split[1].lower() == 'in':
990 for y in range(0, len(Split)):
993 Line = " ".join(Split) + "\n"
995 Host = Split[0] + DNSZone
996 if BSMTPCheck.match(Line) != None:
997 F.write("%s: user=%s group=Debian file=%s%s/bsmtp/%s\n"%(Host,
998 a['uid'], HomePrefix, a['uid'], Host))
1001 F.write("; Errors\n")
1004 # Oops, something unspeakable happened.
1010 def HostToIP(Host, mapped=True):
1014 if Host[1].has_key("ipHostNumber"):
1015 for addr in Host[1]["ipHostNumber"]:
1016 IPAdresses.append(addr)
1017 if not is_ipv6_addr(addr) and mapped == "True":
1018 IPAdresses.append("::ffff:"+addr)
1022 # Generate the ssh known hosts file
1023 def GenSSHKnown(host_attrs, File, mode=None, lockfilename=None):
1026 OldMask = os.umask(0022)
1027 F = open(File + ".tmp", "w", 0644)
1030 for x in host_attrs:
1031 if x[1].has_key("hostname") == 0 or \
1032 x[1].has_key("sshRSAHostKey") == 0:
1034 Host = GetAttr(x, "hostname")
1035 HostNames = [ Host ]
1036 if Host.endswith(HostDomain):
1037 HostNames.append(Host[:-(len(HostDomain) + 1)])
1039 # in the purpose field [[host|some other text]] (where some other text is optional)
1040 # makes a hyperlink on the web thing. we now also add these hosts to the ssh known_hosts
1041 # file. But so that we don't have to add everything we link we can add an asterisk
1042 # and say [[*... to ignore it. In order to be able to add stuff to ssh without
1043 # http linking it we also support [[-hostname]] entries.
1044 for i in x[1].get("purpose", []):
1045 m = PurposeHostField.match(i)
1048 # we ignore [[*..]] entries
1049 if m.startswith('*'):
1051 if m.startswith('-'):
1055 if m.endswith(HostDomain):
1056 HostNames.append(m[:-(len(HostDomain) + 1)])
1058 for I in x[1]["sshRSAHostKey"]:
1059 if mode and mode == 'authorized_keys':
1061 if 'sshdistAuthKeysHost' in x[1]:
1062 hosts += x[1]['sshdistAuthKeysHost']
1063 clientcommand='rsync --server --sender -pr . /var/cache/userdir-ldap/hosts/%s'%(Host)
1064 clientcommand="flock -s %s -c '%s'"%(lockfilename, clientcommand)
1065 Line = 'command="%s",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,from="%s" %s' % (clientcommand, ",".join(hosts), I)
1067 Line = "%s %s" %(",".join(HostNames + HostToIP(x, False)), I)
1068 Line = Sanitize(Line) + "\n"
1070 # Oops, something unspeakable happened.
1076 # Generate the debianhosts file (list of all IP addresses)
1077 def GenHosts(host_attrs, File):
1080 OldMask = os.umask(0022)
1081 F = open(File + ".tmp", "w", 0644)
1086 for x in host_attrs:
1088 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
1091 if not 'ipHostNumber' in x[1]:
1094 addrs = x[1]["ipHostNumber"]
1096 if addr not in seen:
1098 addr = Sanitize(addr) + "\n"
1101 # Oops, something unspeakable happened.
1107 def replaceTree(src, dst_basedir):
1108 bn = os.path.basename(src)
1109 dst = os.path.join(dst_basedir, bn)
1111 shutil.copytree(src, dst)
1113 def GenKeyrings(OutDir):
1115 if os.path.isdir(k):
1116 replaceTree(k, OutDir)
1118 shutil.copy(k, OutDir)
1121 def get_accounts(ldap_conn):
1122 # Fetch all the users
1123 passwd_attrs = ldap_conn.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(&(uid=*)(!(uidNumber=0))(objectClass=shadowAccount))",\
1124 ["uid", "uidNumber", "gidNumber", "supplementaryGid",\
1125 "gecos", "loginShell", "userPassword", "shadowLastChange",\
1126 "shadowMin", "shadowMax", "shadowWarning", "shadowInactive",
1127 "shadowExpire", "emailForward", "latitude", "longitude",\
1128 "allowedHost", "sshRSAAuthKey", "dnsZoneEntry", "cn", "sn",\
1129 "keyFingerPrint", "privateSub", "mailDisableMessage",\
1130 "mailGreylisting", "mailCallout", "mailRBL", "mailRHSBL",\
1131 "mailWhitelist", "sudoPassword", "objectClass", "accountStatus",\
1132 "mailContentInspectionAction", "webPassword", "rtcPassword",\
1133 "bATVToken", "totpSeed"])
1135 if passwd_attrs is None:
1136 raise UDEmptyList, "No Users"
1137 accounts = map(lambda x: UDLdap.Account(x[0], x[1]), passwd_attrs)
1138 accounts.sort(lambda x,y: cmp(x['uid'].lower(), y['uid'].lower()))
1142 def get_hosts(ldap_conn):
1143 # Fetch all the hosts
1144 HostAttrs = ldap_conn.search_s(HostBaseDn, ldap.SCOPE_ONELEVEL, "objectClass=debianServer",\
1145 ["hostname", "sshRSAHostKey", "purpose", "allowedGroups", "exportOptions",\
1146 "mXRecord", "ipHostNumber", "dnsTTL", "machine", "architecture",
1149 if HostAttrs == None:
1150 raise UDEmptyList, "No Hosts"
1152 HostAttrs.sort(lambda x, y: cmp((GetAttr(x, "hostname")).lower(), (GetAttr(y, "hostname")).lower()))
1157 def make_ldap_conn():
1158 # Connect to the ldap server
1160 # for testing purposes it's sometimes useful to pass username/password
1161 # via the environment
1162 if 'UD_CREDENTIALS' in os.environ:
1163 Pass = os.environ['UD_CREDENTIALS'].split()
1165 F = open(PassDir + "/pass-" + pwd.getpwuid(os.getuid())[0], "r")
1166 Pass = F.readline().strip().split(" ")
1168 l.simple_bind_s("uid=" + Pass[0] + "," + BaseDn, Pass[1])
1174 def setup_group_maps(l):
1175 # Fetch all the groups
1178 attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "gid=*",\
1179 ["gid", "gidNumber", "subGroup"])
1181 # Generate the subgroup_map and group_id_map
1183 if x[1].has_key("accountStatus") and x[1]['accountStatus'] == "disabled":
1185 if x[1].has_key("gidNumber") == 0:
1187 group_id_map[x[1]["gid"][0]] = int(x[1]["gidNumber"][0])
1188 if x[1].has_key("subGroup") != 0:
1189 subgroup_map.setdefault(x[1]["gid"][0], []).extend(x[1]["subGroup"])
1193 SubGroupMap = subgroup_map
1194 GroupIDMap = group_id_map
1196 def generate_all(global_dir, ldap_conn):
1197 accounts = get_accounts(ldap_conn)
1198 host_attrs = get_hosts(ldap_conn)
1201 # Generate global things
1202 accounts_disabled = GenDisabledAccounts(accounts, global_dir + "disabled-accounts")
1204 accounts = filter(lambda x: not IsRetired(x), accounts)
1206 CheckForward(accounts)
1208 GenMailDisable(accounts, global_dir + "mail-disable")
1209 GenCDB(accounts, global_dir + "mail-forward.cdb", 'emailForward')
1210 GenDBM(accounts, global_dir + "mail-forward.db", 'emailForward')
1211 GenCDB(accounts, global_dir + "mail-contentinspectionaction.cdb", 'mailContentInspectionAction')
1212 GenDBM(accounts, global_dir + "mail-contentinspectionaction.db", 'mailContentInspectionAction')
1213 GenPrivate(accounts, global_dir + "debian-private")
1214 GenSSHKnown(host_attrs, global_dir+"authorized_keys", 'authorized_keys', global_dir+'ud-generate.lock')
1215 GenMailBool(accounts, global_dir + "mail-greylist", "mailGreylisting")
1216 GenMailBool(accounts, global_dir + "mail-callout", "mailCallout")
1217 GenMailList(accounts, global_dir + "mail-rbl", "mailRBL")
1218 GenMailList(accounts, global_dir + "mail-rhsbl", "mailRHSBL")
1219 GenMailList(accounts, global_dir + "mail-whitelist", "mailWhitelist")
1220 GenWebPassword(accounts, global_dir + "web-passwords")
1221 GenRtcPassword(accounts, global_dir + "rtc-passwords")
1222 GenTOTPSeed(accounts, global_dir + "users.oath")
1223 GenKeyrings(global_dir)
1226 GenForward(accounts, global_dir + "forward-alias")
1228 GenAllUsers(accounts, global_dir + 'all-accounts.json')
1229 accounts = filter(lambda a: not a in accounts_disabled, accounts)
1231 ssh_userkeys = GenSSHShadow(global_dir, accounts)
1232 GenMarkers(accounts, global_dir + "markers")
1233 GenSSHKnown(host_attrs, global_dir + "ssh_known_hosts")
1234 GenHosts(host_attrs, global_dir + "debianhosts")
1236 GenDNS(accounts, global_dir + "dns-zone")
1237 GenZoneRecords(host_attrs, global_dir + "dns-sshfp")
1239 setup_group_maps(ldap_conn)
1241 for host in host_attrs:
1242 if not "hostname" in host[1]:
1244 generate_host(host, global_dir, accounts, host_attrs, ssh_userkeys)
1246 def generate_host(host, global_dir, all_accounts, all_hosts, ssh_userkeys):
1247 current_host = host[1]['hostname'][0]
1248 OutDir = global_dir + current_host + '/'
1249 if not os.path.isdir(OutDir):
1252 # Get the group list and convert any named groups to numerics
1254 for groupname in AllowedGroupsPreload.strip().split(" "):
1255 GroupList[groupname] = True
1256 if 'allowedGroups' in host[1]:
1257 for groupname in host[1]['allowedGroups']:
1258 GroupList[groupname] = True
1259 for groupname in GroupList.keys():
1260 if groupname in GroupIDMap:
1261 GroupList[str(GroupIDMap[groupname])] = True
1264 if 'exportOptions' in host[1]:
1265 for extra in host[1]['exportOptions']:
1266 ExtraList[extra.upper()] = True
1269 accounts = filter(lambda x: IsInGroup(x, GroupList, current_host), all_accounts)
1271 DoLink(global_dir, OutDir, "debianhosts")
1272 DoLink(global_dir, OutDir, "ssh_known_hosts")
1273 DoLink(global_dir, OutDir, "disabled-accounts")
1276 if 'NOPASSWD' in ExtraList:
1277 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "*")
1279 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "x")
1281 grouprevmap = GenGroup(accounts, OutDir + "group", current_host)
1282 GenShadowSudo(accounts, OutDir + "sudo-passwd", ('UNTRUSTED' in ExtraList) or ('NOPASSWD' in ExtraList), current_host)
1284 # Now we know who we're allowing on the machine, export
1285 # the relevant ssh keys
1286 GenSSHtarballs(global_dir, userlist, ssh_userkeys, grouprevmap, os.path.join(OutDir, 'ssh-keys.tar.gz'), current_host)
1288 if not 'NOPASSWD' in ExtraList:
1289 GenShadow(accounts, OutDir + "shadow")
1291 # Link in global things
1292 if not 'NOMARKERS' in ExtraList:
1293 DoLink(global_dir, OutDir, "markers")
1294 DoLink(global_dir, OutDir, "mail-forward.cdb")
1295 DoLink(global_dir, OutDir, "mail-forward.db")
1296 DoLink(global_dir, OutDir, "mail-contentinspectionaction.cdb")
1297 DoLink(global_dir, OutDir, "mail-contentinspectionaction.db")
1298 DoLink(global_dir, OutDir, "mail-disable")
1299 DoLink(global_dir, OutDir, "mail-greylist")
1300 DoLink(global_dir, OutDir, "mail-callout")
1301 DoLink(global_dir, OutDir, "mail-rbl")
1302 DoLink(global_dir, OutDir, "mail-rhsbl")
1303 DoLink(global_dir, OutDir, "mail-whitelist")
1304 DoLink(global_dir, OutDir, "all-accounts.json")
1305 GenCDB(accounts, OutDir + "user-forward.cdb", 'emailForward')
1306 GenDBM(accounts, OutDir + "user-forward.db", 'emailForward')
1307 GenCDB(accounts, OutDir + "batv-tokens.cdb", 'bATVToken')
1308 GenDBM(accounts, OutDir + "batv-tokens.db", 'bATVToken')
1309 GenCDB(accounts, OutDir + "default-mail-options.cdb", 'mailDefaultOptions')
1310 GenDBM(accounts, OutDir + "default-mail-options.db", 'mailDefaultOptions')
1313 DoLink(global_dir, OutDir, "forward-alias")
1315 if 'DNS' in ExtraList:
1316 DoLink(global_dir, OutDir, "dns-zone")
1317 DoLink(global_dir, OutDir, "dns-sshfp")
1319 if 'AUTHKEYS' in ExtraList:
1320 DoLink(global_dir, OutDir, "authorized_keys")
1322 if 'BSMTP' in ExtraList:
1323 GenBSMTP(accounts, OutDir + "bsmtp", HomePrefix)
1325 if 'PRIVATE' in ExtraList:
1326 DoLink(global_dir, OutDir, "debian-private")
1328 if 'GITOLITE' in ExtraList:
1329 GenSSHGitolite(all_accounts, all_hosts, OutDir + "ssh-gitolite", current_host=current_host)
1330 if 'exportOptions' in host[1]:
1331 for entry in host[1]['exportOptions']:
1332 v = entry.split('=',1)
1333 if v[0] != 'GITOLITE' or len(v) != 2: continue
1334 options = v[1].split(',')
1335 group = options.pop(0);
1336 gitolite_accounts = filter(lambda x: IsInGroup(x, [group], current_host), all_accounts)
1337 if not 'nohosts' in options:
1338 gitolite_hosts = filter(lambda x: GitoliteExportHosts.match(x[1]["hostname"][0]), all_hosts)
1343 if opt.startswith('sshcmd='):
1344 command = opt.split('=',1)[1]
1345 GenSSHGitolite(gitolite_accounts, gitolite_hosts, OutDir + "ssh-gitolite-%s"%(group,), sshcommand=command, current_host=current_host)
1347 if 'WEB-PASSWORDS' in ExtraList:
1348 DoLink(global_dir, OutDir, "web-passwords")
1350 if 'RTC-PASSWORDS' in ExtraList:
1351 DoLink(global_dir, OutDir, "rtc-passwords")
1353 if 'TOTP' in ExtraList:
1354 DoLink(global_dir, OutDir, "users.oath")
1356 if 'KEYRING' in ExtraList:
1358 bn = os.path.basename(k)
1359 if os.path.isdir(k):
1360 src = os.path.join(global_dir, bn)
1361 replaceTree(src, OutDir)
1363 DoLink(global_dir, OutDir, bn)
1367 bn = os.path.basename(k)
1368 target = os.path.join(OutDir, bn)
1369 if os.path.isdir(target):
1372 posix.remove(target)
1375 DoLink(global_dir, OutDir, "last_update.trace")
1378 def getLastLDAPChangeTime(l):
1379 mods = l.search_s('cn=log',
1380 ldap.SCOPE_ONELEVEL,
1381 '(&(&(!(reqMod=activity-from*))(!(reqMod=activity-pgp*)))(|(reqType=add)(reqType=delete)(reqType=modify)(reqType=modrdn)))',
1386 # Sort the list by reqEnd
1387 sorted_mods = sorted(mods, key=lambda mod: mod[1]['reqEnd'][0].split('.')[0])
1388 # Take the last element in the array
1389 last = sorted_mods[-1][1]['reqEnd'][0].split('.')[0]
1393 def getLastKeyringChangeTime():
1396 mt = os.path.getmtime(k)
1402 def getLastBuildTime(gdir):
1403 cache_last_ldap_mod = 0
1404 cache_last_unix_mod = 0
1408 fd = open(os.path.join(gdir, "last_update.trace"), "r")
1409 cache_last_mod=fd.read().split()
1411 cache_last_ldap_mod = cache_last_mod[0]
1412 cache_last_unix_mod = int(cache_last_mod[1])
1413 cache_last_run = int(cache_last_mod[2])
1414 except IndexError, ValueError:
1418 if e.errno == errno.ENOENT:
1423 return (cache_last_ldap_mod, cache_last_unix_mod, cache_last_run)
1425 def mq_notify(options, message):
1426 options.section = 'dsa-udgenerate'
1427 options.config = '/etc/dsa/pubsub.conf'
1429 config = Config(options)
1431 'rabbit_userid': config.username,
1432 'rabbit_password': config.password,
1433 'rabbit_virtual_host': config.vhost,
1434 'rabbit_hosts': ['pubsub02.debian.org', 'pubsub01.debian.org'],
1440 'timestamp': int(time.time())
1444 conn = Connection(conf=conf)
1445 conn.topic_send(config.topic,
1447 exchange_name=config.exchange,
1454 parser = optparse.OptionParser()
1455 parser.add_option("-g", "--generatedir", dest="generatedir", metavar="DIR",
1456 help="Output directory.")
1457 parser.add_option("-f", "--force", dest="force", action="store_true",
1458 help="Force generation, even if no update to LDAP has happened.")
1460 (options, args) = parser.parse_args()
1465 if options.generatedir is not None:
1466 generate_dir = os.environ['UD_GENERATEDIR']
1467 elif 'UD_GENERATEDIR' in os.environ:
1468 generate_dir = os.environ['UD_GENERATEDIR']
1470 generate_dir = GenerateDir
1473 lockf = os.path.join(generate_dir, 'ud-generate.lock')
1474 lock = get_lock( lockf )
1476 sys.stderr.write("Could not acquire lock %s.\n"%(lockf))
1479 l = make_ldap_conn()
1481 time_started = int(time.time())
1482 ldap_last_mod = getLastLDAPChangeTime(l)
1483 unix_last_mod = getLastKeyringChangeTime()
1484 cache_last_ldap_mod, cache_last_unix_mod, last_run = getLastBuildTime(generate_dir)
1486 need_update = (ldap_last_mod > cache_last_ldap_mod) or (unix_last_mod > cache_last_unix_mod) or (time_started - last_run > MAX_UD_AGE)
1488 fd = open(os.path.join(generate_dir, "last_update.trace"), "w")
1489 if need_update or options.force:
1490 msg = 'Update forced' if options.force else 'Update needed'
1491 generate_all(generate_dir, l)
1493 mq_notify(options, msg)
1494 last_run = int(time.time())
1495 fd.write("%s\n%s\n%s\n" % (ldap_last_mod, unix_last_mod, last_run))
1500 if __name__ == "__main__":
1501 if 'UD_PROFILE' in os.environ:
1504 cProfile.run('ud_generate()', "udg_prof")
1505 p = pstats.Stats('udg_prof')
1506 ##p.sort_stats('time').print_stats()
1507 p.sort_stats('cumulative').print_stats()
1513 # vim:set shiftwidth=3: