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 if 'sshRSAHostKey' in x[1]:
908 for I in x[1]["sshRSAHostKey"]:
910 if Split[0] == 'ssh-rsa':
912 if Split[0] == 'ssh-dss':
914 if Split[0] == 'ssh-ed25519':
916 if Algorithm == None:
918 Fingerprint = hashlib.new('sha1', base64.decodestring(Split[1])).hexdigest()
919 DNSInfo.append("%s.\t%sIN\tSSHFP\t%u 1 %s" % (hostname, TTLprefix, Algorithm, Fingerprint))
920 Fingerprint = hashlib.new('sha256', base64.decodestring(Split[1])).hexdigest()
921 DNSInfo.append("%s.\t%sIN\tSSHFP\t%u 2 %s" % (hostname, TTLprefix, Algorithm, Fingerprint))
923 if 'architecture' in x[1]:
924 Arch = GetAttr(x, "architecture")
926 if x[1].has_key("machine"):
927 Mach = " " + GetAttr(x, "machine")
928 DNSInfo.append("%s.\t%sIN\tHINFO\t\"%s%s\" \"%s\"" % (hostname, TTLprefix, Arch, Mach, "Debian"))
930 if x[1].has_key("mXRecord"):
931 for I in x[1]["mXRecord"]:
933 for e in MX_remap[I]:
934 DNSInfo.append("%s.\t%sIN\tMX\t%s" % (hostname, TTLprefix, e))
936 DNSInfo.append("%s.\t%sIN\tMX\t%s" % (hostname, TTLprefix, I))
940 # Generate the DNS records
941 def GenZoneRecords(host_attrs, File):
944 F = open(File + ".tmp", "w")
946 # Fetch all the hosts
948 if x[1].has_key("hostname") == 0:
951 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
954 for Line in ExtractDNSInfo(x):
957 # this would write sshfp lines for services on machines
958 # but we can't yet, since some are cnames and we'll make
959 # an invalid zonefile
961 # for i in x[1].get("purpose", []):
962 # m = PurposeHostField.match(i)
965 # # we ignore [[*..]] entries
966 # if m.startswith('*'):
968 # if m.startswith('-'):
971 # if not m.endswith(HostDomain):
973 # if not m.endswith('.'):
975 # for Line in DNSInfo:
976 # if isSSHFP.match(Line):
977 # Line = "%s\t%s" % (m, Line)
978 # F.write(Line + "\n")
980 # Oops, something unspeakable happened.
986 # Generate the BSMTP file
987 def GenBSMTP(accounts, File, HomePrefix):
990 F = open(File + ".tmp", "w")
992 # Write out the zone file entry for each user
994 if not 'dnsZoneEntry' in a: continue
995 if not a.is_active_user(): continue
998 for z in a["dnsZoneEntry"]:
999 Split = z.lower().split()
1000 if Split[1].lower() == 'in':
1001 for y in range(0, len(Split)):
1004 Line = " ".join(Split) + "\n"
1006 Host = Split[0] + DNSZone
1007 if BSMTPCheck.match(Line) != None:
1008 F.write("%s: user=%s group=Debian file=%s%s/bsmtp/%s\n"%(Host,
1009 a['uid'], HomePrefix, a['uid'], Host))
1012 F.write("; Errors\n")
1015 # Oops, something unspeakable happened.
1021 def HostToIP(Host, mapped=True):
1025 if Host[1].has_key("ipHostNumber"):
1026 for addr in Host[1]["ipHostNumber"]:
1027 IPAdresses.append(addr)
1028 if not is_ipv6_addr(addr) and mapped == "True":
1029 IPAdresses.append("::ffff:"+addr)
1033 # Generate the ssh known hosts file
1034 def GenSSHKnown(host_attrs, File, mode=None, lockfilename=None):
1037 OldMask = os.umask(0022)
1038 F = open(File + ".tmp", "w", 0644)
1041 for x in host_attrs:
1042 if x[1].has_key("hostname") == 0 or \
1043 x[1].has_key("sshRSAHostKey") == 0:
1045 Host = GetAttr(x, "hostname")
1046 HostNames = [ Host ]
1047 if Host.endswith(HostDomain):
1048 HostNames.append(Host[:-(len(HostDomain) + 1)])
1050 # in the purpose field [[host|some other text]] (where some other text is optional)
1051 # makes a hyperlink on the web thing. we now also add these hosts to the ssh known_hosts
1052 # file. But so that we don't have to add everything we link we can add an asterisk
1053 # and say [[*... to ignore it. In order to be able to add stuff to ssh without
1054 # http linking it we also support [[-hostname]] entries.
1055 for i in x[1].get("purpose", []):
1056 m = PurposeHostField.match(i)
1059 # we ignore [[*..]] entries
1060 if m.startswith('*'):
1062 if m.startswith('-'):
1066 if m.endswith(HostDomain):
1067 HostNames.append(m[:-(len(HostDomain) + 1)])
1069 for I in x[1]["sshRSAHostKey"]:
1070 if mode and mode == 'authorized_keys':
1072 if 'sshdistAuthKeysHost' in x[1]:
1073 hosts += x[1]['sshdistAuthKeysHost']
1074 clientcommand='rsync --server --sender -pr . /var/cache/userdir-ldap/hosts/%s'%(Host)
1075 clientcommand="flock -s %s -c '%s'"%(lockfilename, clientcommand)
1076 Line = 'command="%s",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,from="%s" %s' % (clientcommand, ",".join(hosts), I)
1078 Line = "%s %s" %(",".join(HostNames + HostToIP(x, False)), I)
1079 Line = Sanitize(Line) + "\n"
1081 # Oops, something unspeakable happened.
1087 # Generate the debianhosts file (list of all IP addresses)
1088 def GenHosts(host_attrs, File):
1091 OldMask = os.umask(0022)
1092 F = open(File + ".tmp", "w", 0644)
1097 for x in host_attrs:
1099 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
1102 if not 'ipHostNumber' in x[1]:
1105 addrs = x[1]["ipHostNumber"]
1107 if addr not in seen:
1109 addr = Sanitize(addr) + "\n"
1112 # Oops, something unspeakable happened.
1118 def replaceTree(src, dst_basedir):
1119 bn = os.path.basename(src)
1120 dst = os.path.join(dst_basedir, bn)
1122 shutil.copytree(src, dst)
1124 def GenKeyrings(OutDir):
1126 if os.path.isdir(k):
1127 replaceTree(k, OutDir)
1129 shutil.copy(k, OutDir)
1132 def get_accounts(ldap_conn):
1133 # Fetch all the users
1134 passwd_attrs = ldap_conn.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(&(uid=*)(!(uidNumber=0))(objectClass=shadowAccount))",\
1135 ["uid", "uidNumber", "gidNumber", "supplementaryGid",\
1136 "gecos", "loginShell", "userPassword", "shadowLastChange",\
1137 "shadowMin", "shadowMax", "shadowWarning", "shadowInactive",
1138 "shadowExpire", "emailForward", "latitude", "longitude",\
1139 "allowedHost", "sshRSAAuthKey", "dnsZoneEntry", "cn", "sn",\
1140 "keyFingerPrint", "privateSub", "mailDisableMessage",\
1141 "mailGreylisting", "mailCallout", "mailRBL", "mailRHSBL",\
1142 "mailWhitelist", "sudoPassword", "objectClass", "accountStatus",\
1143 "mailContentInspectionAction", "webPassword", "rtcPassword",\
1144 "bATVToken", "totpSeed"])
1146 if passwd_attrs is None:
1147 raise UDEmptyList, "No Users"
1148 accounts = map(lambda x: UDLdap.Account(x[0], x[1]), passwd_attrs)
1149 accounts.sort(lambda x,y: cmp(x['uid'].lower(), y['uid'].lower()))
1153 def get_hosts(ldap_conn):
1154 # Fetch all the hosts
1155 HostAttrs = ldap_conn.search_s(HostBaseDn, ldap.SCOPE_ONELEVEL, "objectClass=debianServer",\
1156 ["hostname", "sshRSAHostKey", "purpose", "allowedGroups", "exportOptions",\
1157 "mXRecord", "ipHostNumber", "dnsTTL", "machine", "architecture"])
1159 if HostAttrs == None:
1160 raise UDEmptyList, "No Hosts"
1162 HostAttrs.sort(lambda x, y: cmp((GetAttr(x, "hostname")).lower(), (GetAttr(y, "hostname")).lower()))
1167 def make_ldap_conn():
1168 # Connect to the ldap server
1170 # for testing purposes it's sometimes useful to pass username/password
1171 # via the environment
1172 if 'UD_CREDENTIALS' in os.environ:
1173 Pass = os.environ['UD_CREDENTIALS'].split()
1175 F = open(PassDir + "/pass-" + pwd.getpwuid(os.getuid())[0], "r")
1176 Pass = F.readline().strip().split(" ")
1178 l.simple_bind_s("uid=" + Pass[0] + "," + BaseDn, Pass[1])
1184 def setup_group_maps(l):
1185 # Fetch all the groups
1188 attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "gid=*",\
1189 ["gid", "gidNumber", "subGroup"])
1191 # Generate the subgroup_map and group_id_map
1193 if x[1].has_key("accountStatus") and x[1]['accountStatus'] == "disabled":
1195 if x[1].has_key("gidNumber") == 0:
1197 group_id_map[x[1]["gid"][0]] = int(x[1]["gidNumber"][0])
1198 if x[1].has_key("subGroup") != 0:
1199 subgroup_map.setdefault(x[1]["gid"][0], []).extend(x[1]["subGroup"])
1203 SubGroupMap = subgroup_map
1204 GroupIDMap = group_id_map
1206 def generate_all(global_dir, ldap_conn):
1207 accounts = get_accounts(ldap_conn)
1208 host_attrs = get_hosts(ldap_conn)
1211 # Generate global things
1212 accounts_disabled = GenDisabledAccounts(accounts, global_dir + "disabled-accounts")
1214 accounts = filter(lambda x: not IsRetired(x), accounts)
1216 CheckForward(accounts)
1218 GenMailDisable(accounts, global_dir + "mail-disable")
1219 GenCDB(accounts, global_dir + "mail-forward.cdb", 'emailForward')
1220 GenDBM(accounts, global_dir + "mail-forward.db", 'emailForward')
1221 GenCDB(accounts, global_dir + "mail-contentinspectionaction.cdb", 'mailContentInspectionAction')
1222 GenDBM(accounts, global_dir + "mail-contentinspectionaction.db", 'mailContentInspectionAction')
1223 GenPrivate(accounts, global_dir + "debian-private")
1224 GenSSHKnown(host_attrs, global_dir+"authorized_keys", 'authorized_keys', global_dir+'ud-generate.lock')
1225 GenMailBool(accounts, global_dir + "mail-greylist", "mailGreylisting")
1226 GenMailBool(accounts, global_dir + "mail-callout", "mailCallout")
1227 GenMailList(accounts, global_dir + "mail-rbl", "mailRBL")
1228 GenMailList(accounts, global_dir + "mail-rhsbl", "mailRHSBL")
1229 GenMailList(accounts, global_dir + "mail-whitelist", "mailWhitelist")
1230 GenWebPassword(accounts, global_dir + "web-passwords")
1231 GenRtcPassword(accounts, global_dir + "rtc-passwords")
1232 GenTOTPSeed(accounts, global_dir + "users.oath")
1233 GenKeyrings(global_dir)
1236 GenForward(accounts, global_dir + "forward-alias")
1238 GenAllUsers(accounts, global_dir + 'all-accounts.json')
1239 accounts = filter(lambda a: not a in accounts_disabled, accounts)
1241 ssh_userkeys = GenSSHShadow(global_dir, accounts)
1242 GenMarkers(accounts, global_dir + "markers")
1243 GenSSHKnown(host_attrs, global_dir + "ssh_known_hosts")
1244 GenHosts(host_attrs, global_dir + "debianhosts")
1246 GenDNS(accounts, global_dir + "dns-zone")
1247 GenZoneRecords(host_attrs, global_dir + "dns-sshfp")
1249 setup_group_maps(ldap_conn)
1251 for host in host_attrs:
1252 if not "hostname" in host[1]:
1254 generate_host(host, global_dir, accounts, host_attrs, ssh_userkeys)
1256 def generate_host(host, global_dir, all_accounts, all_hosts, ssh_userkeys):
1257 current_host = host[1]['hostname'][0]
1258 OutDir = global_dir + current_host + '/'
1259 if not os.path.isdir(OutDir):
1262 # Get the group list and convert any named groups to numerics
1264 for groupname in AllowedGroupsPreload.strip().split(" "):
1265 GroupList[groupname] = True
1266 if 'allowedGroups' in host[1]:
1267 for groupname in host[1]['allowedGroups']:
1268 GroupList[groupname] = True
1269 for groupname in GroupList.keys():
1270 if groupname in GroupIDMap:
1271 GroupList[str(GroupIDMap[groupname])] = True
1274 if 'exportOptions' in host[1]:
1275 for extra in host[1]['exportOptions']:
1276 ExtraList[extra.upper()] = True
1279 accounts = filter(lambda x: IsInGroup(x, GroupList, current_host), all_accounts)
1281 DoLink(global_dir, OutDir, "debianhosts")
1282 DoLink(global_dir, OutDir, "ssh_known_hosts")
1283 DoLink(global_dir, OutDir, "disabled-accounts")
1286 if 'NOPASSWD' in ExtraList:
1287 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "*")
1289 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "x")
1291 grouprevmap = GenGroup(accounts, OutDir + "group", current_host)
1292 GenShadowSudo(accounts, OutDir + "sudo-passwd", ('UNTRUSTED' in ExtraList) or ('NOPASSWD' in ExtraList), current_host)
1294 # Now we know who we're allowing on the machine, export
1295 # the relevant ssh keys
1296 GenSSHtarballs(global_dir, userlist, ssh_userkeys, grouprevmap, os.path.join(OutDir, 'ssh-keys.tar.gz'), current_host)
1298 if not 'NOPASSWD' in ExtraList:
1299 GenShadow(accounts, OutDir + "shadow")
1301 # Link in global things
1302 if not 'NOMARKERS' in ExtraList:
1303 DoLink(global_dir, OutDir, "markers")
1304 DoLink(global_dir, OutDir, "mail-forward.cdb")
1305 DoLink(global_dir, OutDir, "mail-forward.db")
1306 DoLink(global_dir, OutDir, "mail-contentinspectionaction.cdb")
1307 DoLink(global_dir, OutDir, "mail-contentinspectionaction.db")
1308 DoLink(global_dir, OutDir, "mail-disable")
1309 DoLink(global_dir, OutDir, "mail-greylist")
1310 DoLink(global_dir, OutDir, "mail-callout")
1311 DoLink(global_dir, OutDir, "mail-rbl")
1312 DoLink(global_dir, OutDir, "mail-rhsbl")
1313 DoLink(global_dir, OutDir, "mail-whitelist")
1314 DoLink(global_dir, OutDir, "all-accounts.json")
1315 GenCDB(accounts, OutDir + "user-forward.cdb", 'emailForward')
1316 GenDBM(accounts, OutDir + "user-forward.db", 'emailForward')
1317 GenCDB(accounts, OutDir + "batv-tokens.cdb", 'bATVToken')
1318 GenDBM(accounts, OutDir + "batv-tokens.db", 'bATVToken')
1319 GenCDB(accounts, OutDir + "default-mail-options.cdb", 'mailDefaultOptions')
1320 GenDBM(accounts, OutDir + "default-mail-options.db", 'mailDefaultOptions')
1323 DoLink(global_dir, OutDir, "forward-alias")
1325 if 'DNS' in ExtraList:
1326 DoLink(global_dir, OutDir, "dns-zone")
1327 DoLink(global_dir, OutDir, "dns-sshfp")
1329 if 'AUTHKEYS' in ExtraList:
1330 DoLink(global_dir, OutDir, "authorized_keys")
1332 if 'BSMTP' in ExtraList:
1333 GenBSMTP(accounts, OutDir + "bsmtp", HomePrefix)
1335 if 'PRIVATE' in ExtraList:
1336 DoLink(global_dir, OutDir, "debian-private")
1338 if 'GITOLITE' in ExtraList:
1339 GenSSHGitolite(all_accounts, all_hosts, OutDir + "ssh-gitolite", current_host=current_host)
1340 if 'exportOptions' in host[1]:
1341 for entry in host[1]['exportOptions']:
1342 v = entry.split('=',1)
1343 if v[0] != 'GITOLITE' or len(v) != 2: continue
1344 options = v[1].split(',')
1345 group = options.pop(0);
1346 gitolite_accounts = filter(lambda x: IsInGroup(x, [group], current_host), all_accounts)
1347 if not 'nohosts' in options:
1348 gitolite_hosts = filter(lambda x: GitoliteExportHosts.match(x[1]["hostname"][0]), all_hosts)
1353 if opt.startswith('sshcmd='):
1354 command = opt.split('=',1)[1]
1355 GenSSHGitolite(gitolite_accounts, gitolite_hosts, OutDir + "ssh-gitolite-%s"%(group,), sshcommand=command, current_host=current_host)
1357 if 'WEB-PASSWORDS' in ExtraList:
1358 DoLink(global_dir, OutDir, "web-passwords")
1360 if 'RTC-PASSWORDS' in ExtraList:
1361 DoLink(global_dir, OutDir, "rtc-passwords")
1363 if 'TOTP' in ExtraList:
1364 DoLink(global_dir, OutDir, "users.oath")
1366 if 'KEYRING' in ExtraList:
1368 bn = os.path.basename(k)
1369 if os.path.isdir(k):
1370 src = os.path.join(global_dir, bn)
1371 replaceTree(src, OutDir)
1373 DoLink(global_dir, OutDir, bn)
1377 bn = os.path.basename(k)
1378 target = os.path.join(OutDir, bn)
1379 if os.path.isdir(target):
1382 posix.remove(target)
1385 DoLink(global_dir, OutDir, "last_update.trace")
1388 def getLastLDAPChangeTime(l):
1389 mods = l.search_s('cn=log',
1390 ldap.SCOPE_ONELEVEL,
1391 '(&(&(!(reqMod=activity-from*))(!(reqMod=activity-pgp*)))(|(reqType=add)(reqType=delete)(reqType=modify)(reqType=modrdn)))',
1396 # Sort the list by reqEnd
1397 sorted_mods = sorted(mods, key=lambda mod: mod[1]['reqEnd'][0].split('.')[0])
1398 # Take the last element in the array
1399 last = sorted_mods[-1][1]['reqEnd'][0].split('.')[0]
1403 def getLastKeyringChangeTime():
1406 mt = os.path.getmtime(k)
1412 def getLastBuildTime(gdir):
1413 cache_last_ldap_mod = 0
1414 cache_last_unix_mod = 0
1418 fd = open(os.path.join(gdir, "last_update.trace"), "r")
1419 cache_last_mod=fd.read().split()
1421 cache_last_ldap_mod = cache_last_mod[0]
1422 cache_last_unix_mod = int(cache_last_mod[1])
1423 cache_last_run = int(cache_last_mod[2])
1424 except IndexError, ValueError:
1428 if e.errno == errno.ENOENT:
1433 return (cache_last_ldap_mod, cache_last_unix_mod, cache_last_run)
1435 def mq_notify(options, message):
1436 options.section = 'dsa-udgenerate'
1437 options.config = '/etc/dsa/pubsub.conf'
1439 config = Config(options)
1441 'rabbit_userid': config.username,
1442 'rabbit_password': config.password,
1443 'rabbit_virtual_host': config.vhost,
1444 'rabbit_hosts': ['pubsub02.debian.org', 'pubsub01.debian.org'],
1450 'timestamp': int(time.time())
1454 conn = Connection(conf=conf)
1455 conn.topic_send(config.topic,
1457 exchange_name=config.exchange,
1464 parser = optparse.OptionParser()
1465 parser.add_option("-g", "--generatedir", dest="generatedir", metavar="DIR",
1466 help="Output directory.")
1467 parser.add_option("-f", "--force", dest="force", action="store_true",
1468 help="Force generation, even if no update to LDAP has happened.")
1470 (options, args) = parser.parse_args()
1475 if options.generatedir is not None:
1476 generate_dir = os.environ['UD_GENERATEDIR']
1477 elif 'UD_GENERATEDIR' in os.environ:
1478 generate_dir = os.environ['UD_GENERATEDIR']
1480 generate_dir = GenerateDir
1483 lockf = os.path.join(generate_dir, 'ud-generate.lock')
1484 lock = get_lock( lockf )
1486 sys.stderr.write("Could not acquire lock %s.\n"%(lockf))
1489 l = make_ldap_conn()
1491 time_started = int(time.time())
1492 ldap_last_mod = getLastLDAPChangeTime(l)
1493 unix_last_mod = getLastKeyringChangeTime()
1494 cache_last_ldap_mod, cache_last_unix_mod, last_run = getLastBuildTime(generate_dir)
1496 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)
1498 fd = open(os.path.join(generate_dir, "last_update.trace"), "w")
1499 if need_update or options.force:
1500 msg = 'Update forced' if options.force else 'Update needed'
1501 generate_all(generate_dir, l)
1503 mq_notify(options, msg)
1504 last_run = int(time.time())
1505 fd.write("%s\n%s\n%s\n" % (ldap_last_mod, unix_last_mod, last_run))
1510 if __name__ == "__main__":
1511 if 'UD_PROFILE' in os.environ:
1514 cProfile.run('ud_generate()', "udg_prof")
1515 p = pstats.Stats('udg_prof')
1516 ##p.sort_stats('time').print_stats()
1517 p.sort_stats('cumulative').print_stats()
1523 # vim:set shiftwidth=3: