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):
894 TTLprefix="%s\t"%(x[1]["dnsTTL"][0])
897 if x[1].has_key("ipHostNumber"):
898 for I in x[1]["ipHostNumber"]:
900 DNSInfo.append("%sIN\tAAAA\t%s" % (TTLprefix, I))
902 DNSInfo.append("%sIN\tA\t%s" % (TTLprefix, I))
906 if 'sshRSAHostKey' in x[1]:
907 for I in x[1]["sshRSAHostKey"]:
909 if Split[0] == 'ssh-rsa':
911 if Split[0] == 'ssh-dss':
913 if Split[0] == 'ssh-ed25519':
915 if Algorithm == None:
917 Fingerprint = hashlib.new('sha1', base64.decodestring(Split[1])).hexdigest()
918 DNSInfo.append("%sIN\tSSHFP\t%u 1 %s" % (TTLprefix, Algorithm, Fingerprint))
919 Fingerprint = hashlib.new('sha256', base64.decodestring(Split[1])).hexdigest()
920 DNSInfo.append("%sIN\tSSHFP\t%u 2 %s" % (TTLprefix, Algorithm, Fingerprint))
922 if 'architecture' in x[1]:
923 Arch = GetAttr(x, "architecture")
925 if x[1].has_key("machine"):
926 Mach = " " + GetAttr(x, "machine")
927 DNSInfo.append("%sIN\tHINFO\t\"%s%s\" \"%s\"" % (TTLprefix, Arch, Mach, "Debian"))
929 if x[1].has_key("mXRecord"):
930 for I in x[1]["mXRecord"]:
932 for e in MX_remap[I]:
933 DNSInfo.append("%sIN\tMX\t%s" % (TTLprefix, e))
935 DNSInfo.append("%sIN\tMX\t%s" % (TTLprefix, I))
939 # Generate the DNS records
940 def GenZoneRecords(host_attrs, File):
943 F = open(File + ".tmp", "w")
945 # Fetch all the hosts
947 if x[1].has_key("hostname") == 0:
950 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
953 DNSInfo = ExtractDNSInfo(x)
957 Line = "%s.\t%s" % (GetAttr(x, "hostname"), Line)
960 Line = "\t\t\t%s" % (Line)
964 # this would write sshfp lines for services on machines
965 # but we can't yet, since some are cnames and we'll make
966 # an invalid zonefile
968 # for i in x[1].get("purpose", []):
969 # m = PurposeHostField.match(i)
972 # # we ignore [[*..]] entries
973 # if m.startswith('*'):
975 # if m.startswith('-'):
978 # if not m.endswith(HostDomain):
980 # if not m.endswith('.'):
982 # for Line in DNSInfo:
983 # if isSSHFP.match(Line):
984 # Line = "%s\t%s" % (m, Line)
985 # F.write(Line + "\n")
987 # Oops, something unspeakable happened.
993 # Generate the BSMTP file
994 def GenBSMTP(accounts, File, HomePrefix):
997 F = open(File + ".tmp", "w")
999 # Write out the zone file entry for each user
1001 if not 'dnsZoneEntry' in a: continue
1002 if not a.is_active_user(): continue
1005 for z in a["dnsZoneEntry"]:
1006 Split = z.lower().split()
1007 if Split[1].lower() == 'in':
1008 for y in range(0, len(Split)):
1011 Line = " ".join(Split) + "\n"
1013 Host = Split[0] + DNSZone
1014 if BSMTPCheck.match(Line) != None:
1015 F.write("%s: user=%s group=Debian file=%s%s/bsmtp/%s\n"%(Host,
1016 a['uid'], HomePrefix, a['uid'], Host))
1019 F.write("; Errors\n")
1022 # Oops, something unspeakable happened.
1028 def HostToIP(Host, mapped=True):
1032 if Host[1].has_key("ipHostNumber"):
1033 for addr in Host[1]["ipHostNumber"]:
1034 IPAdresses.append(addr)
1035 if not is_ipv6_addr(addr) and mapped == "True":
1036 IPAdresses.append("::ffff:"+addr)
1040 # Generate the ssh known hosts file
1041 def GenSSHKnown(host_attrs, File, mode=None, lockfilename=None):
1044 OldMask = os.umask(0022)
1045 F = open(File + ".tmp", "w", 0644)
1048 for x in host_attrs:
1049 if x[1].has_key("hostname") == 0 or \
1050 x[1].has_key("sshRSAHostKey") == 0:
1052 Host = GetAttr(x, "hostname")
1053 HostNames = [ Host ]
1054 if Host.endswith(HostDomain):
1055 HostNames.append(Host[:-(len(HostDomain) + 1)])
1057 # in the purpose field [[host|some other text]] (where some other text is optional)
1058 # makes a hyperlink on the web thing. we now also add these hosts to the ssh known_hosts
1059 # file. But so that we don't have to add everything we link we can add an asterisk
1060 # and say [[*... to ignore it. In order to be able to add stuff to ssh without
1061 # http linking it we also support [[-hostname]] entries.
1062 for i in x[1].get("purpose", []):
1063 m = PurposeHostField.match(i)
1066 # we ignore [[*..]] entries
1067 if m.startswith('*'):
1069 if m.startswith('-'):
1073 if m.endswith(HostDomain):
1074 HostNames.append(m[:-(len(HostDomain) + 1)])
1076 for I in x[1]["sshRSAHostKey"]:
1077 if mode and mode == 'authorized_keys':
1079 if 'sshdistAuthKeysHost' in x[1]:
1080 hosts += x[1]['sshdistAuthKeysHost']
1081 clientcommand='rsync --server --sender -pr . /var/cache/userdir-ldap/hosts/%s'%(Host)
1082 clientcommand="flock -s %s -c '%s'"%(lockfilename, clientcommand)
1083 Line = 'command="%s",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,from="%s" %s' % (clientcommand, ",".join(hosts), I)
1085 Line = "%s %s" %(",".join(HostNames + HostToIP(x, False)), I)
1086 Line = Sanitize(Line) + "\n"
1088 # Oops, something unspeakable happened.
1094 # Generate the debianhosts file (list of all IP addresses)
1095 def GenHosts(host_attrs, File):
1098 OldMask = os.umask(0022)
1099 F = open(File + ".tmp", "w", 0644)
1104 for x in host_attrs:
1106 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
1109 if not 'ipHostNumber' in x[1]:
1112 addrs = x[1]["ipHostNumber"]
1114 if addr not in seen:
1116 addr = Sanitize(addr) + "\n"
1119 # Oops, something unspeakable happened.
1125 def replaceTree(src, dst_basedir):
1126 bn = os.path.basename(src)
1127 dst = os.path.join(dst_basedir, bn)
1129 shutil.copytree(src, dst)
1131 def GenKeyrings(OutDir):
1133 if os.path.isdir(k):
1134 replaceTree(k, OutDir)
1136 shutil.copy(k, OutDir)
1139 def get_accounts(ldap_conn):
1140 # Fetch all the users
1141 passwd_attrs = ldap_conn.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(&(uid=*)(!(uidNumber=0))(objectClass=shadowAccount))",\
1142 ["uid", "uidNumber", "gidNumber", "supplementaryGid",\
1143 "gecos", "loginShell", "userPassword", "shadowLastChange",\
1144 "shadowMin", "shadowMax", "shadowWarning", "shadowInactive",
1145 "shadowExpire", "emailForward", "latitude", "longitude",\
1146 "allowedHost", "sshRSAAuthKey", "dnsZoneEntry", "cn", "sn",\
1147 "keyFingerPrint", "privateSub", "mailDisableMessage",\
1148 "mailGreylisting", "mailCallout", "mailRBL", "mailRHSBL",\
1149 "mailWhitelist", "sudoPassword", "objectClass", "accountStatus",\
1150 "mailContentInspectionAction", "webPassword", "rtcPassword",\
1151 "bATVToken", "totpSeed"])
1153 if passwd_attrs is None:
1154 raise UDEmptyList, "No Users"
1155 accounts = map(lambda x: UDLdap.Account(x[0], x[1]), passwd_attrs)
1156 accounts.sort(lambda x,y: cmp(x['uid'].lower(), y['uid'].lower()))
1160 def get_hosts(ldap_conn):
1161 # Fetch all the hosts
1162 HostAttrs = ldap_conn.search_s(HostBaseDn, ldap.SCOPE_ONELEVEL, "objectClass=debianServer",\
1163 ["hostname", "sshRSAHostKey", "purpose", "allowedGroups", "exportOptions",\
1164 "mXRecord", "ipHostNumber", "dnsTTL", "machine", "architecture"])
1166 if HostAttrs == None:
1167 raise UDEmptyList, "No Hosts"
1169 HostAttrs.sort(lambda x, y: cmp((GetAttr(x, "hostname")).lower(), (GetAttr(y, "hostname")).lower()))
1174 def make_ldap_conn():
1175 # Connect to the ldap server
1177 # for testing purposes it's sometimes useful to pass username/password
1178 # via the environment
1179 if 'UD_CREDENTIALS' in os.environ:
1180 Pass = os.environ['UD_CREDENTIALS'].split()
1182 F = open(PassDir + "/pass-" + pwd.getpwuid(os.getuid())[0], "r")
1183 Pass = F.readline().strip().split(" ")
1185 l.simple_bind_s("uid=" + Pass[0] + "," + BaseDn, Pass[1])
1191 def setup_group_maps(l):
1192 # Fetch all the groups
1195 attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "gid=*",\
1196 ["gid", "gidNumber", "subGroup"])
1198 # Generate the subgroup_map and group_id_map
1200 if x[1].has_key("accountStatus") and x[1]['accountStatus'] == "disabled":
1202 if x[1].has_key("gidNumber") == 0:
1204 group_id_map[x[1]["gid"][0]] = int(x[1]["gidNumber"][0])
1205 if x[1].has_key("subGroup") != 0:
1206 subgroup_map.setdefault(x[1]["gid"][0], []).extend(x[1]["subGroup"])
1210 SubGroupMap = subgroup_map
1211 GroupIDMap = group_id_map
1213 def generate_all(global_dir, ldap_conn):
1214 accounts = get_accounts(ldap_conn)
1215 host_attrs = get_hosts(ldap_conn)
1218 # Generate global things
1219 accounts_disabled = GenDisabledAccounts(accounts, global_dir + "disabled-accounts")
1221 accounts = filter(lambda x: not IsRetired(x), accounts)
1223 CheckForward(accounts)
1225 GenMailDisable(accounts, global_dir + "mail-disable")
1226 GenCDB(accounts, global_dir + "mail-forward.cdb", 'emailForward')
1227 GenDBM(accounts, global_dir + "mail-forward.db", 'emailForward')
1228 GenCDB(accounts, global_dir + "mail-contentinspectionaction.cdb", 'mailContentInspectionAction')
1229 GenDBM(accounts, global_dir + "mail-contentinspectionaction.db", 'mailContentInspectionAction')
1230 GenPrivate(accounts, global_dir + "debian-private")
1231 GenSSHKnown(host_attrs, global_dir+"authorized_keys", 'authorized_keys', global_dir+'ud-generate.lock')
1232 GenMailBool(accounts, global_dir + "mail-greylist", "mailGreylisting")
1233 GenMailBool(accounts, global_dir + "mail-callout", "mailCallout")
1234 GenMailList(accounts, global_dir + "mail-rbl", "mailRBL")
1235 GenMailList(accounts, global_dir + "mail-rhsbl", "mailRHSBL")
1236 GenMailList(accounts, global_dir + "mail-whitelist", "mailWhitelist")
1237 GenWebPassword(accounts, global_dir + "web-passwords")
1238 GenRtcPassword(accounts, global_dir + "rtc-passwords")
1239 GenTOTPSeed(accounts, global_dir + "users.oath")
1240 GenKeyrings(global_dir)
1243 GenForward(accounts, global_dir + "forward-alias")
1245 GenAllUsers(accounts, global_dir + 'all-accounts.json')
1246 accounts = filter(lambda a: not a in accounts_disabled, accounts)
1248 ssh_userkeys = GenSSHShadow(global_dir, accounts)
1249 GenMarkers(accounts, global_dir + "markers")
1250 GenSSHKnown(host_attrs, global_dir + "ssh_known_hosts")
1251 GenHosts(host_attrs, global_dir + "debianhosts")
1253 GenDNS(accounts, global_dir + "dns-zone")
1254 GenZoneRecords(host_attrs, global_dir + "dns-sshfp")
1256 setup_group_maps(ldap_conn)
1258 for host in host_attrs:
1259 if not "hostname" in host[1]:
1261 generate_host(host, global_dir, accounts, host_attrs, ssh_userkeys)
1263 def generate_host(host, global_dir, all_accounts, all_hosts, ssh_userkeys):
1264 current_host = host[1]['hostname'][0]
1265 OutDir = global_dir + current_host + '/'
1266 if not os.path.isdir(OutDir):
1269 # Get the group list and convert any named groups to numerics
1271 for groupname in AllowedGroupsPreload.strip().split(" "):
1272 GroupList[groupname] = True
1273 if 'allowedGroups' in host[1]:
1274 for groupname in host[1]['allowedGroups']:
1275 GroupList[groupname] = True
1276 for groupname in GroupList.keys():
1277 if groupname in GroupIDMap:
1278 GroupList[str(GroupIDMap[groupname])] = True
1281 if 'exportOptions' in host[1]:
1282 for extra in host[1]['exportOptions']:
1283 ExtraList[extra.upper()] = True
1286 accounts = filter(lambda x: IsInGroup(x, GroupList, current_host), all_accounts)
1288 DoLink(global_dir, OutDir, "debianhosts")
1289 DoLink(global_dir, OutDir, "ssh_known_hosts")
1290 DoLink(global_dir, OutDir, "disabled-accounts")
1293 if 'NOPASSWD' in ExtraList:
1294 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "*")
1296 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "x")
1298 grouprevmap = GenGroup(accounts, OutDir + "group", current_host)
1299 GenShadowSudo(accounts, OutDir + "sudo-passwd", ('UNTRUSTED' in ExtraList) or ('NOPASSWD' in ExtraList), current_host)
1301 # Now we know who we're allowing on the machine, export
1302 # the relevant ssh keys
1303 GenSSHtarballs(global_dir, userlist, ssh_userkeys, grouprevmap, os.path.join(OutDir, 'ssh-keys.tar.gz'), current_host)
1305 if not 'NOPASSWD' in ExtraList:
1306 GenShadow(accounts, OutDir + "shadow")
1308 # Link in global things
1309 if not 'NOMARKERS' in ExtraList:
1310 DoLink(global_dir, OutDir, "markers")
1311 DoLink(global_dir, OutDir, "mail-forward.cdb")
1312 DoLink(global_dir, OutDir, "mail-forward.db")
1313 DoLink(global_dir, OutDir, "mail-contentinspectionaction.cdb")
1314 DoLink(global_dir, OutDir, "mail-contentinspectionaction.db")
1315 DoLink(global_dir, OutDir, "mail-disable")
1316 DoLink(global_dir, OutDir, "mail-greylist")
1317 DoLink(global_dir, OutDir, "mail-callout")
1318 DoLink(global_dir, OutDir, "mail-rbl")
1319 DoLink(global_dir, OutDir, "mail-rhsbl")
1320 DoLink(global_dir, OutDir, "mail-whitelist")
1321 DoLink(global_dir, OutDir, "all-accounts.json")
1322 GenCDB(accounts, OutDir + "user-forward.cdb", 'emailForward')
1323 GenDBM(accounts, OutDir + "user-forward.db", 'emailForward')
1324 GenCDB(accounts, OutDir + "batv-tokens.cdb", 'bATVToken')
1325 GenDBM(accounts, OutDir + "batv-tokens.db", 'bATVToken')
1326 GenCDB(accounts, OutDir + "default-mail-options.cdb", 'mailDefaultOptions')
1327 GenDBM(accounts, OutDir + "default-mail-options.db", 'mailDefaultOptions')
1330 DoLink(global_dir, OutDir, "forward-alias")
1332 if 'DNS' in ExtraList:
1333 DoLink(global_dir, OutDir, "dns-zone")
1334 DoLink(global_dir, OutDir, "dns-sshfp")
1336 if 'AUTHKEYS' in ExtraList:
1337 DoLink(global_dir, OutDir, "authorized_keys")
1339 if 'BSMTP' in ExtraList:
1340 GenBSMTP(accounts, OutDir + "bsmtp", HomePrefix)
1342 if 'PRIVATE' in ExtraList:
1343 DoLink(global_dir, OutDir, "debian-private")
1345 if 'GITOLITE' in ExtraList:
1346 GenSSHGitolite(all_accounts, all_hosts, OutDir + "ssh-gitolite", current_host=current_host)
1347 if 'exportOptions' in host[1]:
1348 for entry in host[1]['exportOptions']:
1349 v = entry.split('=',1)
1350 if v[0] != 'GITOLITE' or len(v) != 2: continue
1351 options = v[1].split(',')
1352 group = options.pop(0);
1353 gitolite_accounts = filter(lambda x: IsInGroup(x, [group], current_host), all_accounts)
1354 if not 'nohosts' in options:
1355 gitolite_hosts = filter(lambda x: GitoliteExportHosts.match(x[1]["hostname"][0]), all_hosts)
1360 if opt.startswith('sshcmd='):
1361 command = opt.split('=',1)[1]
1362 GenSSHGitolite(gitolite_accounts, gitolite_hosts, OutDir + "ssh-gitolite-%s"%(group,), sshcommand=command, current_host=current_host)
1364 if 'WEB-PASSWORDS' in ExtraList:
1365 DoLink(global_dir, OutDir, "web-passwords")
1367 if 'RTC-PASSWORDS' in ExtraList:
1368 DoLink(global_dir, OutDir, "rtc-passwords")
1370 if 'TOTP' in ExtraList:
1371 DoLink(global_dir, OutDir, "users.oath")
1373 if 'KEYRING' in ExtraList:
1375 bn = os.path.basename(k)
1376 if os.path.isdir(k):
1377 src = os.path.join(global_dir, bn)
1378 replaceTree(src, OutDir)
1380 DoLink(global_dir, OutDir, bn)
1384 bn = os.path.basename(k)
1385 target = os.path.join(OutDir, bn)
1386 if os.path.isdir(target):
1389 posix.remove(target)
1392 DoLink(global_dir, OutDir, "last_update.trace")
1395 def getLastLDAPChangeTime(l):
1396 mods = l.search_s('cn=log',
1397 ldap.SCOPE_ONELEVEL,
1398 '(&(&(!(reqMod=activity-from*))(!(reqMod=activity-pgp*)))(|(reqType=add)(reqType=delete)(reqType=modify)(reqType=modrdn)))',
1403 # Sort the list by reqEnd
1404 sorted_mods = sorted(mods, key=lambda mod: mod[1]['reqEnd'][0].split('.')[0])
1405 # Take the last element in the array
1406 last = sorted_mods[-1][1]['reqEnd'][0].split('.')[0]
1410 def getLastKeyringChangeTime():
1413 mt = os.path.getmtime(k)
1419 def getLastBuildTime(gdir):
1420 cache_last_ldap_mod = 0
1421 cache_last_unix_mod = 0
1425 fd = open(os.path.join(gdir, "last_update.trace"), "r")
1426 cache_last_mod=fd.read().split()
1428 cache_last_ldap_mod = cache_last_mod[0]
1429 cache_last_unix_mod = int(cache_last_mod[1])
1430 cache_last_run = int(cache_last_mod[2])
1431 except IndexError, ValueError:
1435 if e.errno == errno.ENOENT:
1440 return (cache_last_ldap_mod, cache_last_unix_mod, cache_last_run)
1442 def mq_notify(options, message):
1443 options.section = 'dsa-udgenerate'
1444 options.config = '/etc/dsa/pubsub.conf'
1446 config = Config(options)
1448 'rabbit_userid': config.username,
1449 'rabbit_password': config.password,
1450 'rabbit_virtual_host': config.vhost,
1451 'rabbit_hosts': ['pubsub02.debian.org', 'pubsub01.debian.org'],
1457 'timestamp': int(time.time())
1461 conn = Connection(conf=conf)
1462 conn.topic_send(config.topic,
1464 exchange_name=config.exchange,
1471 parser = optparse.OptionParser()
1472 parser.add_option("-g", "--generatedir", dest="generatedir", metavar="DIR",
1473 help="Output directory.")
1474 parser.add_option("-f", "--force", dest="force", action="store_true",
1475 help="Force generation, even if no update to LDAP has happened.")
1477 (options, args) = parser.parse_args()
1482 if options.generatedir is not None:
1483 generate_dir = os.environ['UD_GENERATEDIR']
1484 elif 'UD_GENERATEDIR' in os.environ:
1485 generate_dir = os.environ['UD_GENERATEDIR']
1487 generate_dir = GenerateDir
1490 lockf = os.path.join(generate_dir, 'ud-generate.lock')
1491 lock = get_lock( lockf )
1493 sys.stderr.write("Could not acquire lock %s.\n"%(lockf))
1496 l = make_ldap_conn()
1498 time_started = int(time.time())
1499 ldap_last_mod = getLastLDAPChangeTime(l)
1500 unix_last_mod = getLastKeyringChangeTime()
1501 cache_last_ldap_mod, cache_last_unix_mod, last_run = getLastBuildTime(generate_dir)
1503 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)
1505 fd = open(os.path.join(generate_dir, "last_update.trace"), "w")
1506 if need_update or options.force:
1507 msg = 'Update forced' if options.force else 'Update needed'
1508 generate_all(generate_dir, l)
1510 mq_notify(options, msg)
1511 last_run = int(time.time())
1512 fd.write("%s\n%s\n%s\n" % (ldap_last_mod, unix_last_mod, last_run))
1517 if __name__ == "__main__":
1518 if 'UD_PROFILE' in os.environ:
1521 cProfile.run('ud_generate()', "udg_prof")
1522 p = pstats.Stats('udg_prof')
1523 ##p.sort_stats('time').print_stats()
1524 p.sort_stats('cumulative').print_stats()
1530 # vim:set shiftwidth=3: