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)
82 """Return a pretty-printed XML string for the Element.
84 rough_string = ElementTree.tostring(elem, 'utf-8')
85 reparsed = minidom.parseString(rough_string)
86 return reparsed.toprettyxml(indent=" ")
88 def safe_makedirs(dir):
92 if e.errno == errno.EEXIST:
101 if e.errno == errno.ENOENT:
106 def get_lock(fn, wait=5*60):
109 ends = time.time() + wait
114 fcntl.flock(f.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
118 if time.time() >= ends:
120 sl = min(sl*2, 10, ends - time.time())
126 return Str.translate(string.maketrans("\n\r\t", "$$$"))
128 def DoLink(From, To, File):
130 posix.remove(To + File)
133 posix.link(From + File, To + File)
135 def IsRetired(account):
137 Looks for accountStatus in the LDAP record and tries to
138 match it against one of the known retired statuses
141 status = account['accountStatus']
143 line = status.split()
146 if status == "inactive":
149 elif status == "memorial":
152 elif status == "retiring":
153 # We'll give them a few extra days over what we said
154 age = 6 * 31 * 24 * 60 * 60
156 return (time.time() - time.mktime(time.strptime(line[1], "%Y-%m-%d"))) > age
164 #def IsGidDebian(account):
165 # return account['gidNumber'] == 800
167 # See if this user is in the group list
168 def IsInGroup(account, allowed, current_host):
169 # See if the primary group is in the list
170 if str(account['gidNumber']) in allowed: return True
172 # Check the host based ACL
173 if account.is_allowed_by_hostacl(current_host): return True
175 # See if there are supplementary groups
176 if not 'supplementaryGid' in account: return False
179 addGroups(supgroups, account['supplementaryGid'], account['uid'], current_host)
185 def Die(File, F, Fdb):
191 os.remove(File + ".tmp")
195 os.remove(File + ".tdb.tmp")
199 def Done(File, F, Fdb):
202 os.rename(File + ".tmp", File)
205 os.rename(File + ".tdb.tmp", File + ".tdb")
207 # Generate the password list
208 def GenPasswd(accounts, File, HomePrefix, PwdMarker):
211 F = open(File + ".tdb.tmp", "w")
216 # Do not let people try to buffer overflow some busted passwd parser.
217 if len(a['gecos']) > 100 or len(a['loginShell']) > 50: continue
219 userlist[a['uid']] = a['gidNumber']
220 line = "%s:%s:%d:%d:%s:%s%s:%s" % (
226 HomePrefix, a['uid'],
228 line = Sanitize(line) + "\n"
229 F.write("0%u %s" % (i, line))
230 F.write(".%s %s" % (a['uid'], line))
231 F.write("=%d %s" % (a['uidNumber'], line))
234 # Oops, something unspeakable happened.
240 # Return the list of users so we know which keys to export
243 def GenAllUsers(accounts, file):
246 OldMask = os.umask(0022)
247 f = open(file + ".tmp", "w", 0644)
252 all.append( { 'uid': a['uid'],
253 'uidNumber': a['uidNumber'],
254 'active': a.pw_active() and a.shadow_active() } )
257 # Oops, something unspeakable happened.
263 # Generate the shadow list
264 def GenShadow(accounts, File):
267 OldMask = os.umask(0077)
268 F = open(File + ".tdb.tmp", "w", 0600)
273 # If the account is locked, mark it as such in shadow
274 # See Debian Bug #308229 for why we set it to 1 instead of 0
275 if not a.pw_active(): ShadowExpire = '1'
276 elif 'shadowExpire' in a: ShadowExpire = str(a['shadowExpire'])
277 else: ShadowExpire = ''
280 values.append(a['uid'])
281 values.append(a.get_password())
282 for key in 'shadowLastChange', 'shadowMin', 'shadowMax', 'shadowWarning', 'shadowInactive':
283 if key in a: values.append(a[key])
284 else: values.append('')
285 values.append(ShadowExpire)
286 line = ':'.join(values)+':'
287 line = Sanitize(line) + "\n"
288 F.write("0%u %s" % (i, line))
289 F.write(".%s %s" % (a['uid'], line))
292 # Oops, something unspeakable happened.
298 # Generate the sudo passwd file
299 def GenShadowSudo(accounts, File, untrusted, current_host):
302 OldMask = os.umask(0077)
303 F = open(File + ".tmp", "w", 0600)
308 if 'sudoPassword' in a:
309 for entry in a['sudoPassword']:
310 Match = re.compile('^('+UUID_FORMAT+') (confirmed:[0-9a-f]{40}|unconfirmed) ([a-z0-9.,*-]+) ([^ ]+)$').match(entry)
313 uuid = Match.group(1)
314 status = Match.group(2)
315 hosts = Match.group(3)
316 cryptedpass = Match.group(4)
318 if status != 'confirmed:'+make_passwd_hmac('password-is-confirmed', 'sudo', a['uid'], uuid, hosts, cryptedpass):
320 for_all = hosts == "*"
321 for_this_host = current_host in hosts.split(',')
322 if not (for_all or for_this_host):
324 # ignore * passwords for untrusted hosts, but copy host specific passwords
325 if for_all and untrusted:
328 if for_this_host: # this makes sure we take a per-host entry over the for-all entry
333 Line = "%s:%s" % (a['uid'], Pass)
334 Line = Sanitize(Line) + "\n"
335 F.write("%s" % (Line))
337 # Oops, something unspeakable happened.
343 # Generate the sudo passwd file
344 def GenSSHGitolite(accounts, hosts, File, sshcommand=None, current_host=None):
346 if sshcommand is None:
347 sshcommand = GitoliteSSHCommand
349 OldMask = os.umask(0022)
350 F = open(File + ".tmp", "w", 0600)
353 if not GitoliteSSHRestrictions is None and GitoliteSSHRestrictions != "":
355 if not 'sshRSAAuthKey' in a: continue
358 prefix = GitoliteSSHRestrictions
359 prefix = prefix.replace('@@COMMAND@@', sshcommand)
360 prefix = prefix.replace('@@USER@@', User)
361 for I in a["sshRSAAuthKey"]:
362 if I.startswith("allowed_hosts=") and ' ' in line:
363 if current_host is None:
365 machines, I = I.split('=', 1)[1].split(' ', 1)
366 if current_host not in machines.split(','):
367 continue # skip this key
369 if I.startswith('ssh-'):
370 line = "%s %s"%(prefix, I)
372 continue # do not allow keys with other restrictions that might conflict
373 line = Sanitize(line) + "\n"
376 for dn, attrs in hosts:
377 if not 'sshRSAHostKey' in attrs: continue
378 hostname = "host-" + attrs['hostname'][0]
379 prefix = GitoliteSSHRestrictions
380 prefix = prefix.replace('@@COMMAND@@', sshcommand)
381 prefix = prefix.replace('@@USER@@', hostname)
382 for I in attrs["sshRSAHostKey"]:
383 line = "%s %s"%(prefix, I)
384 line = Sanitize(line) + "\n"
387 # Oops, something unspeakable happened.
393 # Generate the shadow list
394 def GenSSHShadow(global_dir, accounts):
395 # Fetch all the users
399 if not 'sshRSAAuthKey' in a: continue
402 for I in a['sshRSAAuthKey']:
403 MultipleLine = "%s" % I
404 MultipleLine = Sanitize(MultipleLine)
405 contents.append(MultipleLine)
406 userkeys[a['uid']] = contents
409 # Generate the webPassword list
410 def GenWebPassword(accounts, File):
413 OldMask = os.umask(0077)
414 F = open(File, "w", 0600)
418 if not 'webPassword' in a: continue
419 if not a.pw_active(): continue
421 Pass = str(a['webPassword'])
422 Line = "%s:%s" % (a['uid'], Pass)
423 Line = Sanitize(Line) + "\n"
424 F.write("%s" % (Line))
430 # Generate the rtcPassword list
431 def GenRtcPassword(accounts, File):
434 OldMask = os.umask(0077)
435 F = open(File, "w", 0600)
439 if not 'rtcPassword' in a: continue
440 if not a.pw_active(): continue
442 Line = "%s@debian.org:%s:rtc.debian.org:AUTHORIZED" % (a['uid'], str(a['rtcPassword']))
443 Line = Sanitize(Line) + "\n"
444 F.write("%s" % (Line))
450 def GenSSHtarballs(global_dir, userlist, ssh_userkeys, grouprevmap, target, current_host):
451 OldMask = os.umask(0077)
452 tf = tarfile.open(name=os.path.join(global_dir, 'ssh-keys-%s.tar.gz' % current_host), mode='w:gz')
455 if f not in ssh_userkeys:
457 # If we're not exporting their primary group, don't export
460 if userlist[f] in grouprevmap.keys():
461 grname = grouprevmap[userlist[f]]
464 if int(userlist[f]) <= 100:
465 # In these cases, look it up in the normal way so we
466 # deal with cases where, for instance, users are in group
467 # users as their primary group.
468 grname = grp.getgrgid(userlist[f])[0]
473 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])
477 for line in ssh_userkeys[f]:
478 if line.startswith("allowed_hosts=") and ' ' in line:
479 machines, line = line.split('=', 1)[1].split(' ', 1)
480 if current_host not in machines.split(','):
481 continue # skip this key
484 continue # no keys for this host
485 contents = "\n".join(lines) + "\n"
487 to = tarfile.TarInfo(name=f)
488 # These will only be used where the username doesn't
489 # exist on the target system for some reason; hence,
490 # in those cases, the safest thing is for the file to
491 # be owned by root but group nobody. This deals with
492 # the bloody obscure case where the group fails to exist
493 # whilst the user does (in which case we want to avoid
494 # ending up with a file which is owned user:root to avoid
495 # a fairly obvious attack vector)
498 # Using the username / groupname fields avoids any need
499 # to give a shit^W^W^Wcare about the UIDoffset stuff.
503 to.mtime = int(time.time())
504 to.size = len(contents)
506 tf.addfile(to, StringIO(contents))
509 os.rename(os.path.join(global_dir, 'ssh-keys-%s.tar.gz' % current_host), target)
511 # add a list of groups to existing groups,
512 # including all subgroups thereof, recursively.
513 # basically this proceduces the transitive hull of the groups in
515 def addGroups(existingGroups, newGroups, uid, current_host):
516 for group in newGroups:
517 # if it's a <group>@host, split it and verify it's on the current host.
518 s = group.split('@', 1)
519 if len(s) == 2 and s[1] != current_host:
523 # let's see if we handled this group already
524 if group in existingGroups:
527 if not GroupIDMap.has_key(group):
528 print "Group", group, "does not exist but", uid, "is in it"
531 existingGroups.append(group)
533 if SubGroupMap.has_key(group):
534 addGroups(existingGroups, SubGroupMap[group], uid, current_host)
536 # Generate the group list
537 def GenGroup(accounts, File, current_host):
541 F = open(File + ".tdb.tmp", "w")
543 # Generate the GroupMap
547 GroupHasPrimaryMembers = {}
549 # Sort them into a list of groups having a set of users
551 GroupHasPrimaryMembers[ a['gidNumber'] ] = True
552 if not 'supplementaryGid' in a: continue
555 addGroups(supgroups, a['supplementaryGid'], a['uid'], current_host)
557 GroupMap[g].append(a['uid'])
559 # Output the group file.
561 for x in GroupMap.keys():
562 if not x in GroupIDMap:
565 if len(GroupMap[x]) == 0 and GroupIDMap[x] not in GroupHasPrimaryMembers:
568 grouprevmap[GroupIDMap[x]] = x
570 Line = "%s:x:%u:" % (x, GroupIDMap[x])
572 for I in GroupMap[x]:
573 Line = Line + ("%s%s" % (Comma, I))
575 Line = Sanitize(Line) + "\n"
576 F.write("0%u %s" % (J, Line))
577 F.write(".%s %s" % (x, Line))
578 F.write("=%u %s" % (GroupIDMap[x], Line))
581 # Oops, something unspeakable happened.
589 def CheckForward(accounts):
591 if not 'emailForward' in a: continue
595 # Do not allow people to try to buffer overflow busted parsers
596 if len(a['emailForward']) > 200: delete = True
597 # Check the forwarding address
598 elif EmailCheck.match(a['emailForward']) is None: delete = True
601 a.delete_mailforward()
603 # Generate the email forwarding list
604 def GenForward(accounts, File):
607 OldMask = os.umask(0022)
608 F = open(File + ".tmp", "w", 0644)
612 if not 'emailForward' in a: continue
613 Line = "%s: %s" % (a['uid'], a['emailForward'])
614 Line = Sanitize(Line) + "\n"
617 # Oops, something unspeakable happened.
623 def GenCDB(accounts, File, key):
626 OldMask = os.umask(0022)
627 # nothing else does the fsync stuff, so why do it here?
628 prefix = "/usr/bin/eatmydata " if os.path.exists('/usr/bin/eatmydata') else ''
629 Fdb = os.popen("%scdbmake %s %s.tmp"%(prefix, File, File), "w")
632 # Write out the email address for each user
634 if not key in a: continue
637 Fdb.write("+%d,%d:%s->%s\n" % (len(user), len(value), user, value))
640 # Oops, something unspeakable happened.
644 if Fdb.close() != None:
645 raise "cdbmake gave an error"
647 def GenDBM(accounts, File, key):
649 OldMask = os.umask(0022)
650 fn = os.path.join(File).encode('ascii', 'ignore')
657 Fdb = dbm.open(fn, "c")
660 # Write out the email address for each user
662 if not key in a: continue
669 # python-dbm names the files Fdb.db.db so we want to them to be Fdb.db
670 os.remove(File + ".db")
672 # python-dbm names the files Fdb.db.db so we want to them to be Fdb.db
673 os.rename (File + ".db", File)
675 # Generate the anon XEarth marker file
676 def GenMarkers(accounts, File):
679 F = open(File + ".tmp", "w")
681 # Write out the position for each user
683 if not ('latitude' in a and 'longitude' in a): continue
685 Line = "%8s %8s \"\""%(a.latitude_dec(True), a.longitude_dec(True))
686 Line = Sanitize(Line) + "\n"
691 # Oops, something unspeakable happened.
697 # Generate the debian-private subscription list
698 def GenPrivate(accounts, File):
701 F = open(File + ".tmp", "w")
703 # Write out the position for each user
705 if not a.is_active_user(): continue
706 if a.is_guest_account(): continue
707 if not 'privateSub' in a: continue
709 Line = "%s"%(a['privateSub'])
710 Line = Sanitize(Line) + "\n"
715 # Oops, something unspeakable happened.
721 # Generate a list of locked accounts
722 def GenDisabledAccounts(accounts, File):
725 F = open(File + ".tmp", "w")
726 disabled_accounts = []
728 # Fetch all the users
730 if a.pw_active(): continue
731 Line = "%s:%s" % (a['uid'], "Account is locked")
732 disabled_accounts.append(a)
733 F.write(Sanitize(Line) + "\n")
735 # Oops, something unspeakable happened.
740 return disabled_accounts
742 # Generate the list of local addresses that refuse all mail
743 def GenMailDisable(accounts, File):
746 F = open(File + ".tmp", "w")
749 if not 'mailDisableMessage' in a: continue
750 Line = "%s: %s"%(a['uid'], a['mailDisableMessage'])
751 Line = Sanitize(Line) + "\n"
754 # Oops, something unspeakable happened.
760 # Generate a list of uids that should have boolean affects applied
761 def GenMailBool(accounts, File, key):
764 F = open(File + ".tmp", "w")
767 if not key in a: continue
768 if not a[key] == 'TRUE': continue
769 Line = "%s"%(a['uid'])
770 Line = Sanitize(Line) + "\n"
773 # Oops, something unspeakable happened.
779 # Generate a list of hosts for RBL or whitelist purposes.
780 def GenMailList(accounts, File, key):
783 F = open(File + ".tmp", "w")
785 if key == "mailWhitelist": validregex = re.compile('^[-\w.]+(/[\d]+)?$')
786 else: validregex = re.compile('^[-\w.]+$')
789 if not key in a: continue
791 filtered = filter(lambda z: validregex.match(z), a[key])
792 if len(filtered) == 0: continue
793 if key == "mailRHSBL": filtered = map(lambda z: z+"/$sender_address_domain", filtered)
794 line = a['uid'] + ': ' + ' : '.join(filtered)
795 line = Sanitize(line) + "\n"
798 # Oops, something unspeakable happened.
804 def isRoleAccount(account):
805 return 'debianRoleAccount' in account['objectClass']
807 # Generate the DNS Zone file
808 def GenDNS(accounts, File):
811 F = open(File + ".tmp", "w")
813 # Fetch all the users
816 # Write out the zone file entry for each user
818 if not 'dnsZoneEntry' in a: continue
819 if not a.is_active_user() and not isRoleAccount(a): continue
820 if a.is_guest_account(): continue
823 F.write("; %s\n"%(a.email_address()))
824 for z in a["dnsZoneEntry"]:
825 Split = z.lower().split()
826 if Split[1].lower() == 'in':
827 Line = " ".join(Split) + "\n"
830 Host = Split[0] + DNSZone
831 if BSMTPCheck.match(Line) != None:
832 F.write("; Has BSMTP\n")
834 # Write some identification information
835 if not RRs.has_key(Host):
836 if Split[2].lower() in ["a", "aaaa"]:
837 Line = "%s IN TXT \"%s\"\n"%(Split[0], a.email_address())
838 for y in a["keyFingerPrint"]:
839 Line = Line + "%s IN TXT \"PGP %s\"\n"%(Split[0], FormatPGPKey(y))
843 Line = "; Err %s"%(str(Split))
848 F.write("; Errors:\n")
849 for line in str(e).split("\n"):
850 F.write("; %s\n"%(line))
853 # Oops, something unspeakable happened.
861 socket.inet_pton(socket.AF_INET6, i)
866 def ExtractDNSInfo(x):
870 TTLprefix="%s\t"%(x[1]["dnsTTL"][0])
873 if x[1].has_key("ipHostNumber"):
874 for I in x[1]["ipHostNumber"]:
876 DNSInfo.append("%sIN\tAAAA\t%s" % (TTLprefix, I))
878 DNSInfo.append("%sIN\tA\t%s" % (TTLprefix, I))
882 if 'sshRSAHostKey' in x[1]:
883 for I in x[1]["sshRSAHostKey"]:
885 if Split[0] == 'ssh-rsa':
887 if Split[0] == 'ssh-dss':
889 if Algorithm == None:
891 Fingerprint = hashlib.new('sha1', base64.decodestring(Split[1])).hexdigest()
892 DNSInfo.append("%sIN\tSSHFP\t%u 1 %s" % (TTLprefix, Algorithm, Fingerprint))
894 if 'architecture' in x[1]:
895 Arch = GetAttr(x, "architecture")
897 if x[1].has_key("machine"):
898 Mach = " " + GetAttr(x, "machine")
899 DNSInfo.append("%sIN\tHINFO\t\"%s%s\" \"%s\"" % (TTLprefix, Arch, Mach, "Debian GNU/Linux"))
901 if x[1].has_key("mXRecord"):
902 for I in x[1]["mXRecord"]:
904 for e in MX_remap[I]:
905 DNSInfo.append("%sIN\tMX\t%s" % (TTLprefix, e))
907 DNSInfo.append("%sIN\tMX\t%s" % (TTLprefix, I))
911 # Generate the DNS records
912 def GenZoneRecords(host_attrs, File):
915 F = open(File + ".tmp", "w")
917 # Fetch all the hosts
919 if x[1].has_key("hostname") == 0:
922 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
925 DNSInfo = ExtractDNSInfo(x)
929 Line = "%s.\t%s" % (GetAttr(x, "hostname"), Line)
932 Line = "\t\t\t%s" % (Line)
936 # this would write sshfp lines for services on machines
937 # but we can't yet, since some are cnames and we'll make
938 # an invalid zonefile
940 # for i in x[1].get("purpose", []):
941 # m = PurposeHostField.match(i)
944 # # we ignore [[*..]] entries
945 # if m.startswith('*'):
947 # if m.startswith('-'):
950 # if not m.endswith(HostDomain):
952 # if not m.endswith('.'):
954 # for Line in DNSInfo:
955 # if isSSHFP.match(Line):
956 # Line = "%s\t%s" % (m, Line)
957 # F.write(Line + "\n")
959 # Oops, something unspeakable happened.
965 # Generate the BSMTP file
966 def GenBSMTP(accounts, File, HomePrefix):
969 F = open(File + ".tmp", "w")
971 # Write out the zone file entry for each user
973 if not 'dnsZoneEntry' in a: continue
974 if not a.is_active_user(): continue
977 for z in a["dnsZoneEntry"]:
978 Split = z.lower().split()
979 if Split[1].lower() == 'in':
980 for y in range(0, len(Split)):
983 Line = " ".join(Split) + "\n"
985 Host = Split[0] + DNSZone
986 if BSMTPCheck.match(Line) != None:
987 F.write("%s: user=%s group=Debian file=%s%s/bsmtp/%s\n"%(Host,
988 a['uid'], HomePrefix, a['uid'], Host))
991 F.write("; Errors\n")
994 # Oops, something unspeakable happened.
1000 def HostToIP(Host, mapped=True):
1004 if Host[1].has_key("ipHostNumber"):
1005 for addr in Host[1]["ipHostNumber"]:
1006 IPAdresses.append(addr)
1007 if not is_ipv6_addr(addr) and mapped == "True":
1008 IPAdresses.append("::ffff:"+addr)
1012 # Generate the ssh known hosts file
1013 def GenSSHKnown(host_attrs, File, mode=None, lockfilename=None):
1016 OldMask = os.umask(0022)
1017 F = open(File + ".tmp", "w", 0644)
1020 for x in host_attrs:
1021 if x[1].has_key("hostname") == 0 or \
1022 x[1].has_key("sshRSAHostKey") == 0:
1024 Host = GetAttr(x, "hostname")
1025 HostNames = [ Host ]
1026 if Host.endswith(HostDomain):
1027 HostNames.append(Host[:-(len(HostDomain) + 1)])
1029 # in the purpose field [[host|some other text]] (where some other text is optional)
1030 # makes a hyperlink on the web thing. we now also add these hosts to the ssh known_hosts
1031 # file. But so that we don't have to add everything we link we can add an asterisk
1032 # and say [[*... to ignore it. In order to be able to add stuff to ssh without
1033 # http linking it we also support [[-hostname]] entries.
1034 for i in x[1].get("purpose", []):
1035 m = PurposeHostField.match(i)
1038 # we ignore [[*..]] entries
1039 if m.startswith('*'):
1041 if m.startswith('-'):
1045 if m.endswith(HostDomain):
1046 HostNames.append(m[:-(len(HostDomain) + 1)])
1048 for I in x[1]["sshRSAHostKey"]:
1049 if mode and mode == 'authorized_keys':
1051 if 'sshdistAuthKeysHost' in x[1]:
1052 hosts += x[1]['sshdistAuthKeysHost']
1053 clientcommand='rsync --server --sender -pr . /var/cache/userdir-ldap/hosts/%s'%(Host)
1054 clientcommand="flock -s %s -c '%s'"%(lockfilename, clientcommand)
1055 Line = 'command="%s",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,from="%s" %s' % (clientcommand, ",".join(hosts), I)
1057 Line = "%s %s" %(",".join(HostNames + HostToIP(x, False)), I)
1058 Line = Sanitize(Line) + "\n"
1060 # Oops, something unspeakable happened.
1066 # Generate the debianhosts file (list of all IP addresses)
1067 def GenHosts(host_attrs, File):
1070 OldMask = os.umask(0022)
1071 F = open(File + ".tmp", "w", 0644)
1076 for x in host_attrs:
1078 if IsDebianHost.match(GetAttr(x, "hostname")) is None:
1081 if not 'ipHostNumber' in x[1]:
1084 addrs = x[1]["ipHostNumber"]
1086 if addr not in seen:
1088 addr = Sanitize(addr) + "\n"
1091 # Oops, something unspeakable happened.
1097 def replaceTree(src, dst_basedir):
1098 bn = os.path.basename(src)
1099 dst = os.path.join(dst_basedir, bn)
1101 shutil.copytree(src, dst)
1103 def GenKeyrings(OutDir):
1105 if os.path.isdir(k):
1106 replaceTree(k, OutDir)
1108 shutil.copy(k, OutDir)
1111 def get_accounts(ldap_conn):
1112 # Fetch all the users
1113 passwd_attrs = ldap_conn.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(&(uid=*)(!(uidNumber=0))(objectClass=shadowAccount))",\
1114 ["uid", "uidNumber", "gidNumber", "supplementaryGid",\
1115 "gecos", "loginShell", "userPassword", "shadowLastChange",\
1116 "shadowMin", "shadowMax", "shadowWarning", "shadowInactive",
1117 "shadowExpire", "emailForward", "latitude", "longitude",\
1118 "allowedHost", "sshRSAAuthKey", "dnsZoneEntry", "cn", "sn",\
1119 "keyFingerPrint", "privateSub", "mailDisableMessage",\
1120 "mailGreylisting", "mailCallout", "mailRBL", "mailRHSBL",\
1121 "mailWhitelist", "sudoPassword", "objectClass", "accountStatus",\
1122 "mailContentInspectionAction", "webPassword", "rtcPassword",\
1125 if passwd_attrs is None:
1126 raise UDEmptyList, "No Users"
1127 accounts = map(lambda x: UDLdap.Account(x[0], x[1]), passwd_attrs)
1128 accounts.sort(lambda x,y: cmp(x['uid'].lower(), y['uid'].lower()))
1132 def get_hosts(ldap_conn):
1133 # Fetch all the hosts
1134 HostAttrs = ldap_conn.search_s(HostBaseDn, ldap.SCOPE_ONELEVEL, "objectClass=debianServer",\
1135 ["hostname", "sshRSAHostKey", "purpose", "allowedGroups", "exportOptions",\
1136 "mXRecord", "ipHostNumber", "dnsTTL", "machine", "architecture"])
1138 if HostAttrs == None:
1139 raise UDEmptyList, "No Hosts"
1141 HostAttrs.sort(lambda x, y: cmp((GetAttr(x, "hostname")).lower(), (GetAttr(y, "hostname")).lower()))
1146 def make_ldap_conn():
1147 # Connect to the ldap server
1149 # for testing purposes it's sometimes useful to pass username/password
1150 # via the environment
1151 if 'UD_CREDENTIALS' in os.environ:
1152 Pass = os.environ['UD_CREDENTIALS'].split()
1154 F = open(PassDir + "/pass-" + pwd.getpwuid(os.getuid())[0], "r")
1155 Pass = F.readline().strip().split(" ")
1157 l.simple_bind_s("uid=" + Pass[0] + "," + BaseDn, Pass[1])
1163 def setup_group_maps(l):
1164 # Fetch all the groups
1167 attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "gid=*",\
1168 ["gid", "gidNumber", "subGroup"])
1170 # Generate the subgroup_map and group_id_map
1172 if x[1].has_key("accountStatus") and x[1]['accountStatus'] == "disabled":
1174 if x[1].has_key("gidNumber") == 0:
1176 group_id_map[x[1]["gid"][0]] = int(x[1]["gidNumber"][0])
1177 if x[1].has_key("subGroup") != 0:
1178 subgroup_map.setdefault(x[1]["gid"][0], []).extend(x[1]["subGroup"])
1182 SubGroupMap = subgroup_map
1183 GroupIDMap = group_id_map
1185 def generate_all(global_dir, ldap_conn):
1186 accounts = get_accounts(ldap_conn)
1187 host_attrs = get_hosts(ldap_conn)
1190 # Generate global things
1191 accounts_disabled = GenDisabledAccounts(accounts, global_dir + "disabled-accounts")
1193 accounts = filter(lambda x: not IsRetired(x), accounts)
1194 #accounts_DDs = filter(lambda x: IsGidDebian(x), accounts)
1196 CheckForward(accounts)
1198 GenMailDisable(accounts, global_dir + "mail-disable")
1199 GenCDB(accounts, global_dir + "mail-forward.cdb", 'emailForward')
1200 GenDBM(accounts, global_dir + "mail-forward.db", 'emailForward')
1201 GenCDB(accounts, global_dir + "mail-contentinspectionaction.cdb", 'mailContentInspectionAction')
1202 GenDBM(accounts, global_dir + "mail-contentinspectionaction.db", 'mailContentInspectionAction')
1203 GenPrivate(accounts, global_dir + "debian-private")
1204 GenSSHKnown(host_attrs, global_dir+"authorized_keys", 'authorized_keys', global_dir+'ud-generate.lock')
1205 GenMailBool(accounts, global_dir + "mail-greylist", "mailGreylisting")
1206 GenMailBool(accounts, global_dir + "mail-callout", "mailCallout")
1207 GenMailList(accounts, global_dir + "mail-rbl", "mailRBL")
1208 GenMailList(accounts, global_dir + "mail-rhsbl", "mailRHSBL")
1209 GenMailList(accounts, global_dir + "mail-whitelist", "mailWhitelist")
1210 GenWebPassword(accounts, global_dir + "web-passwords")
1211 GenRtcPassword(accounts, global_dir + "rtc-passwords")
1212 GenKeyrings(global_dir)
1215 GenForward(accounts, global_dir + "forward-alias")
1217 GenAllUsers(accounts, global_dir + 'all-accounts.json')
1218 accounts = filter(lambda a: not a in accounts_disabled, accounts)
1220 ssh_userkeys = GenSSHShadow(global_dir, accounts)
1221 GenMarkers(accounts, global_dir + "markers")
1222 GenSSHKnown(host_attrs, global_dir + "ssh_known_hosts")
1223 GenHosts(host_attrs, global_dir + "debianhosts")
1224 GenSSHGitolite(accounts, host_attrs, global_dir + "ssh-gitolite")
1226 GenDNS(accounts, global_dir + "dns-zone")
1227 GenZoneRecords(host_attrs, global_dir + "dns-sshfp")
1229 setup_group_maps(ldap_conn)
1231 for host in host_attrs:
1232 if not "hostname" in host[1]:
1234 generate_host(host, global_dir, accounts, host_attrs, ssh_userkeys)
1236 def generate_host(host, global_dir, all_accounts, all_hosts, ssh_userkeys):
1237 current_host = host[1]['hostname'][0]
1238 OutDir = global_dir + current_host + '/'
1239 if not os.path.isdir(OutDir):
1242 # Get the group list and convert any named groups to numerics
1244 for groupname in AllowedGroupsPreload.strip().split(" "):
1245 GroupList[groupname] = True
1246 if 'allowedGroups' in host[1]:
1247 for groupname in host[1]['allowedGroups']:
1248 GroupList[groupname] = True
1249 for groupname in GroupList.keys():
1250 if groupname in GroupIDMap:
1251 GroupList[str(GroupIDMap[groupname])] = True
1254 if 'exportOptions' in host[1]:
1255 for extra in host[1]['exportOptions']:
1256 ExtraList[extra.upper()] = True
1259 accounts = filter(lambda x: IsInGroup(x, GroupList, current_host), all_accounts)
1261 DoLink(global_dir, OutDir, "debianhosts")
1262 DoLink(global_dir, OutDir, "ssh_known_hosts")
1263 DoLink(global_dir, OutDir, "disabled-accounts")
1266 if 'NOPASSWD' in ExtraList:
1267 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "*")
1269 userlist = GenPasswd(accounts, OutDir + "passwd", HomePrefix, "x")
1271 grouprevmap = GenGroup(accounts, OutDir + "group", current_host)
1272 GenShadowSudo(accounts, OutDir + "sudo-passwd", ('UNTRUSTED' in ExtraList) or ('NOPASSWD' in ExtraList), current_host)
1274 # Now we know who we're allowing on the machine, export
1275 # the relevant ssh keys
1276 GenSSHtarballs(global_dir, userlist, ssh_userkeys, grouprevmap, os.path.join(OutDir, 'ssh-keys.tar.gz'), current_host)
1278 if not 'NOPASSWD' in ExtraList:
1279 GenShadow(accounts, OutDir + "shadow")
1281 # Link in global things
1282 if not 'NOMARKERS' in ExtraList:
1283 DoLink(global_dir, OutDir, "markers")
1284 DoLink(global_dir, OutDir, "mail-forward.cdb")
1285 DoLink(global_dir, OutDir, "mail-forward.db")
1286 DoLink(global_dir, OutDir, "mail-contentinspectionaction.cdb")
1287 DoLink(global_dir, OutDir, "mail-contentinspectionaction.db")
1288 DoLink(global_dir, OutDir, "mail-disable")
1289 DoLink(global_dir, OutDir, "mail-greylist")
1290 DoLink(global_dir, OutDir, "mail-callout")
1291 DoLink(global_dir, OutDir, "mail-rbl")
1292 DoLink(global_dir, OutDir, "mail-rhsbl")
1293 DoLink(global_dir, OutDir, "mail-whitelist")
1294 DoLink(global_dir, OutDir, "all-accounts.json")
1295 GenCDB(accounts, OutDir + "user-forward.cdb", 'emailForward')
1296 GenDBM(accounts, OutDir + "user-forward.db", 'emailForward')
1297 GenCDB(accounts, OutDir + "batv-tokens.cdb", 'bATVToken')
1298 GenDBM(accounts, OutDir + "batv-tokens.db", 'bATVToken')
1299 GenCDB(accounts, OutDir + "default-mail-options.cdb", 'mailDefaultOptions')
1300 GenDBM(accounts, OutDir + "default-mail-options.db", 'mailDefaultOptions')
1303 DoLink(global_dir, OutDir, "forward-alias")
1305 if 'DNS' in ExtraList:
1306 DoLink(global_dir, OutDir, "dns-zone")
1307 DoLink(global_dir, OutDir, "dns-sshfp")
1309 if 'AUTHKEYS' in ExtraList:
1310 DoLink(global_dir, OutDir, "authorized_keys")
1312 if 'BSMTP' in ExtraList:
1313 GenBSMTP(accounts, OutDir + "bsmtp", HomePrefix)
1315 if 'PRIVATE' in ExtraList:
1316 DoLink(global_dir, OutDir, "debian-private")
1318 if 'GITOLITE' in ExtraList:
1319 DoLink(global_dir, OutDir, "ssh-gitolite")
1320 if 'exportOptions' in host[1]:
1321 for entry in host[1]['exportOptions']:
1322 v = entry.split('=',1)
1323 if v[0] != 'GITOLITE' or len(v) != 2: continue
1324 options = v[1].split(',')
1325 group = options.pop(0);
1326 gitolite_accounts = filter(lambda x: IsInGroup(x, [group], current_host), all_accounts)
1327 if not 'nohosts' in options:
1328 gitolite_hosts = filter(lambda x: GitoliteExportHosts.match(x[1]["hostname"][0]), all_hosts)
1333 if opt.startswith('sshcmd='):
1334 command = opt.split('=',1)[1]
1335 GenSSHGitolite(gitolite_accounts, gitolite_hosts, OutDir + "ssh-gitolite-%s"%(group,), sshcommand=command, current_host=current_host)
1337 if 'WEB-PASSWORDS' in ExtraList:
1338 DoLink(global_dir, OutDir, "web-passwords")
1340 if 'RTC-PASSWORDS' in ExtraList:
1341 DoLink(global_dir, OutDir, "rtc-passwords")
1343 if 'KEYRING' in ExtraList:
1345 bn = os.path.basename(k)
1346 if os.path.isdir(k):
1347 src = os.path.join(global_dir, bn)
1348 replaceTree(src, OutDir)
1350 DoLink(global_dir, OutDir, bn)
1354 bn = os.path.basename(k)
1355 target = os.path.join(OutDir, bn)
1356 if os.path.isdir(target):
1359 posix.remove(target)
1362 DoLink(global_dir, OutDir, "last_update.trace")
1365 def getLastLDAPChangeTime(l):
1366 mods = l.search_s('cn=log',
1367 ldap.SCOPE_ONELEVEL,
1368 '(&(&(!(reqMod=activity-from*))(!(reqMod=activity-pgp*)))(|(reqType=add)(reqType=delete)(reqType=modify)(reqType=modrdn)))',
1373 # Sort the list by reqEnd
1374 sorted_mods = sorted(mods, key=lambda mod: mod[1]['reqEnd'][0].split('.')[0])
1375 # Take the last element in the array
1376 last = sorted_mods[-1][1]['reqEnd'][0].split('.')[0]
1380 def getLastKeyringChangeTime():
1383 mt = os.path.getmtime(k)
1389 def getLastBuildTime(gdir):
1390 cache_last_ldap_mod = 0
1391 cache_last_unix_mod = 0
1395 fd = open(os.path.join(gdir, "last_update.trace"), "r")
1396 cache_last_mod=fd.read().split()
1398 cache_last_ldap_mod = cache_last_mod[0]
1399 cache_last_unix_mod = int(cache_last_mod[1])
1400 cache_last_run = int(cache_last_mod[2])
1401 except IndexError, ValueError:
1405 if e.errno == errno.ENOENT:
1410 return (cache_last_ldap_mod, cache_last_unix_mod, cache_last_run)
1412 def mq_notify(options, message):
1413 options.section = 'dsa-udgenerate'
1414 options.config = '/etc/dsa/pubsub.conf'
1416 config = Config(options)
1418 'rabbit_userid': config.username,
1419 'rabbit_password': config.password,
1420 'rabbit_virtual_host': config.vhost,
1421 'rabbit_hosts': ['pubsub02.debian.org', 'pubsub01.debian.org'],
1427 'timestamp': int(time.time())
1431 conn = Connection(conf=conf)
1432 conn.topic_send(config.topic,
1434 exchange_name=config.exchange,
1441 parser = optparse.OptionParser()
1442 parser.add_option("-g", "--generatedir", dest="generatedir", metavar="DIR",
1443 help="Output directory.")
1444 parser.add_option("-f", "--force", dest="force", action="store_true",
1445 help="Force generation, even if no update to LDAP has happened.")
1447 (options, args) = parser.parse_args()
1452 if options.generatedir is not None:
1453 generate_dir = os.environ['UD_GENERATEDIR']
1454 elif 'UD_GENERATEDIR' in os.environ:
1455 generate_dir = os.environ['UD_GENERATEDIR']
1457 generate_dir = GenerateDir
1460 lockf = os.path.join(generate_dir, 'ud-generate.lock')
1461 lock = get_lock( lockf )
1463 sys.stderr.write("Could not acquire lock %s.\n"%(lockf))
1466 l = make_ldap_conn()
1468 time_started = int(time.time())
1469 ldap_last_mod = getLastLDAPChangeTime(l)
1470 unix_last_mod = getLastKeyringChangeTime()
1471 cache_last_ldap_mod, cache_last_unix_mod, last_run = getLastBuildTime(generate_dir)
1473 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)
1475 fd = open(os.path.join(generate_dir, "last_update.trace"), "w")
1476 if need_update or options.force:
1477 msg = 'Update forced' if options.force else 'Update needed'
1478 generate_all(generate_dir, l)
1479 mq_notify(options, msg)
1480 last_run = int(time.time())
1481 fd.write("%s\n%s\n%s\n" % (ldap_last_mod, unix_last_mod, last_run))
1486 if __name__ == "__main__":
1487 if 'UD_PROFILE' in os.environ:
1490 cProfile.run('ud_generate()', "udg_prof")
1491 p = pstats.Stats('udg_prof')
1492 ##p.sort_stats('time').print_stats()
1493 p.sort_stats('cumulative').print_stats()
1499 # vim:set shiftwidth=3: