X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=ud-generate;h=8001012c159f10c066400a5f1c3264437e16b57b;hb=d91d0c5fd96a36bae43ecf2aa0460f663655c0fd;hp=17e54b31500bb0a4e0f22d6b36f3d7ef98061e4a;hpb=c626017071b2de3c4623df898dcf0e16f25e7272;p=mirror%2Fuserdir-ldap.git diff --git a/ud-generate b/ud-generate index 17e54b3..8001012 100755 --- a/ud-generate +++ b/ud-generate @@ -9,6 +9,8 @@ # Copyright (c) 2008 Peter Palfrader # Copyright (c) 2008 Andreas Barth # Copyright (c) 2008 Mark Hymers +# Copyright (c) 2008 Luk Claes +# Copyright (c) 2008 Thomas Viehmann # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -26,17 +28,24 @@ import string, re, time, ldap, getopt, sys, os, pwd, posix, socket, base64, sha, shutil, errno, tarfile, grp from userdir_ldap import *; +from userdir_exceptions import * global Allowed; global CurrentHost; PasswdAttrs = None; +DisabledUsers = [] +RetiredUsers = [] GroupIDMap = {}; +SubGroupMap = {}; Allowed = None; CurrentHost = ""; +UUID_FORMAT = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}' + EmailCheck = re.compile("^([^ <>@]+@[^ ,<>@]+)?$"); BSMTPCheck = re.compile(".*mx 0 (gluck)\.debian\.org\..*",re.DOTALL); +PurposeHostField = re.compile(r"\[\[([\*\-]?[a-z0-9.\-]*)(?:\|.*)?\]\]") DNSZone = ".debian.net" Keyrings = ConfModule.sync_keyrings.split(":") @@ -66,6 +75,36 @@ def DoLink(From,To,File): except: pass; posix.link(From+File,To+File); +def IsRetired(DnRecord): + """ + Looks for accountStatus in the LDAP record and tries to + match it against one of the known retired statuses + """ + + status = GetAttr(DnRecord,"accountStatus", None) + if status is None: + return False + + line = status.split() + status = line[0] + + if status == "inactive": + return True + + elif status == "memorial": + return True + + elif status == "retiring": + # We'll give them a few extra days over what we said + age = 6 * 31 * 24 * 60 * 60 + try: + if (time.time() - time.mktime(time.strptime(line[1], "%Y-%m-%d"))) > age: + return True + except IndexError: + return False + + return False + # See if this user is in the group list def IsInGroup(DnRecord): if Allowed == None: @@ -85,9 +124,10 @@ def IsInGroup(DnRecord): if DnRecord[1].has_key("supplementaryGid") == 0: return 0; - # Check the supplementary groups - for I in DnRecord[1]["supplementaryGid"]: - if Allowed.has_key(I): + supgroups=[] + addGroups(supgroups, DnRecord[1]["supplementaryGid"], GetAttr(DnRecord,"uid")) + for g in supgroups: + if Allowed.has_key(g): return 1; return 0; @@ -108,7 +148,7 @@ def Done(File,F,Fdb): if Fdb != None: Fdb.close(); os.rename(File + ".tdb.tmp",File+".tdb"); - + # Generate the password list def GenPasswd(l,File,HomePrefix,PwdMarker): F = None; @@ -118,8 +158,6 @@ def GenPasswd(l,File,HomePrefix,PwdMarker): userlist = {} # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; I = 0; for x in PasswdAttrs: @@ -162,14 +200,12 @@ def GenShadow(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; I = 0; for x in PasswdAttrs: if x[1].has_key("uidNumber") == 0 or IsInGroup(x) == 0: continue; - + Pass = GetAttr(x,"userPassword"); if Pass[0:7] != "{crypt}" or len(Pass) > 50: Pass = '*'; @@ -200,66 +236,93 @@ def GenShadow(l,File): raise; Done(File,None,F); +# Generate the sudo passwd file +def GenShadowSudo(l,File, untrusted): + F = None; + try: + OldMask = os.umask(0077); + F = open(File + ".tmp","w",0600); + os.umask(OldMask); + + # Fetch all the users + global PasswdAttrs; + + for x in PasswdAttrs: + Pass = '*' + if x[1].has_key("uidNumber") == 0 or IsInGroup(x) == 0: + continue; + + if x[1].has_key('sudoPassword'): + for entry in x[1]['sudoPassword']: + Match = re.compile('^('+UUID_FORMAT+') (confirmed:[0-9a-f]{40}|unconfirmed) ([a-z0-9.,*]+) ([^ ]+)$').match(entry) + if Match == None: + continue + uuid = Match.group(1) + status = Match.group(2) + hosts = Match.group(3) + cryptedpass = Match.group(4) + + if status != 'confirmed:'+make_passwd_hmac('password-is-confirmed', 'sudo', x[1]['uid'][0], uuid, hosts, cryptedpass): + continue + for_all = hosts == "*" + for_this_host = CurrentHost in hosts.split(',') + if not (for_all or for_this_host): + continue + # ignore * passwords for untrusted hosts, but copy host specific passwords + if for_all and untrusted: + continue + Pass = cryptedpass + if for_this_host: # this makes sure we take a per-host entry over the for-all entry + break + if len(Pass) > 50: + Pass = '*' + + Line = "%s:%s" % (GetAttr(x,"uid"), Pass) + Line = Sanitize(Line) + "\n"; + F.write("%s" % (Line)); + + # Oops, something unspeakable happened. + except: + Die(File,F,None); + raise; + Done(File,F,None); + # Generate the shadow list -def GenSSHShadow(l,masterFileName): +def GenSSHShadow(l): # Fetch all the users singlefile = None userfiles = [] - # Depending on config, we write out either a single file, - # multiple files, or both - if SingleSSHFile: - try: - OldMask = os.umask(0077); - masterFile = open(masterFileName + ".tmp","w",0600); - os.umask(OldMask); - except IOError: - Die(masterFileName,masterFile,None) - raise global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; - - # If we're going to be dealing with multiple keys, empty the - # directory before we start to avoid old keys hanging around - if MultipleSSHFiles: - safe_rmtree(os.path.join(GlobalDir, 'userkeys')) - safe_makedirs(os.path.join(GlobalDir, 'userkeys')) - + + safe_rmtree(os.path.join(GlobalDir, 'userkeys')) + safe_makedirs(os.path.join(GlobalDir, 'userkeys')) + for x in PasswdAttrs: - # If the account is locked, do not write it. - # This is a partial stop-gap. The ssh also needs to change this - # to ignore ~/.ssh/authorized* files. - if (GetAttr(x,"userPassword").find("*LK*") != -1) \ - or GetAttr(x,"userPassword").startswith("!"): - continue; + + if x in DisabledUsers: + continue if x[1].has_key("uidNumber") == 0 or \ x[1].has_key("sshRSAAuthKey") == 0: continue; + User = GetAttr(x,"uid"); F = None; try: - if MultipleSSHFiles: - OldMask = os.umask(0077); - File = os.path.join(GlobalDir, 'userkeys', User) - F = open(File + ".tmp","w",0600); - os.umask(OldMask); + OldMask = os.umask(0077); + File = os.path.join(GlobalDir, 'userkeys', User) + F = open(File + ".tmp","w",0600); + os.umask(OldMask); for I in x[1]["sshRSAAuthKey"]: - if MultipleSSHFiles: - MultipleLine = "%s" % I - MultipleLine = Sanitize(MultipleLine) + "\n" - F.write(MultipleLine) - if SingleSSHFile: - SingleLine = "%s: %s" % (User, I) - SingleLine = Sanitize(SingleLine) + "\n" - masterFile.write(SingleLine) - - if MultipleSSHFiles: - Done(File,F,None); - userfiles.append(os.path.basename(File)) + MultipleLine = "%s" % I + MultipleLine = Sanitize(MultipleLine) + "\n" + F.write(MultipleLine) + + Done(File,F,None); + userfiles.append(os.path.basename(File)) # Oops, something unspeakable happened. except IOError: @@ -267,11 +330,79 @@ def GenSSHShadow(l,masterFileName): Die(masterFileName,masterFile,None) raise; - if SingleSSHFile: - Done(masterFileName,masterFile,None) - singlefile = os.path.basename(masterFileName) + return userfiles + +def GenSSHtarballs(userlist, SSHFiles, grouprevmap, target): + OldMask = os.umask(0077); + tf = tarfile.open(name=os.path.join(GlobalDir, 'ssh-keys-%s.tar.gz' % CurrentHost), mode='w:gz') + os.umask(OldMask); + for f in userlist.keys(): + if f not in SSHFiles: + continue + # If we're not exporting their primary group, don't export + # the key and warn + grname = None + if userlist[f] in grouprevmap.keys(): + grname = grouprevmap[userlist[f]] + else: + try: + if int(userlist[f]) <= 100: + # In these cases, look it up in the normal way so we + # deal with cases where, for instance, users are in group + # users as their primary group. + grname = grp.getgrgid(userlist[f])[0] + except Exception, e: + pass + + if grname is None: + print "User %s is supposed to have their key exported to host %s but their primary group (gid: %d) isn't in LDAP" % (f, CurrentHost, userlist[f]) + continue + + to = tf.gettarinfo(os.path.join(GlobalDir, 'userkeys', f), f) + # These will only be used where the username doesn't + # exist on the target system for some reason; hence, + # in those cases, the safest thing is for the file to + # be owned by root but group nobody. This deals with + # the bloody obscure case where the group fails to exist + # whilst the user does (in which case we want to avoid + # ending up with a file which is owned user:root to avoid + # a fairly obvious attack vector) + to.uid = 0 + to.gid = 65534 + # Using the username / groupname fields avoids any need + # to give a shit^W^W^Wcare about the UIDoffset stuff. + to.uname = f + to.gname = grname + to.mode = 0400 + tf.addfile(to, file(os.path.join(GlobalDir, 'userkeys', f))) + + tf.close() + os.rename(os.path.join(GlobalDir, 'ssh-keys-%s.tar.gz' % CurrentHost), target) + +# add a list of groups to existing groups, +# including all subgroups thereof, recursively. +# basically this proceduces the transitive hull of the groups in +# addgroups. +def addGroups(existingGroups, newGroups, uid): + for group in newGroups: + # if it's a @host, split it and verify it's on the current host. + s = group.split('@', 1) + if len(s) == 2 and s[1] != CurrentHost: + continue; + group = s[0] + + # let's see if we handled this group already + if group in existingGroups: + continue + + if not GroupIDMap.has_key(group): + print "Group", group, "does not exist but", uid, "is in it" + continue - return singlefile, userfiles + existingGroups.append(group) + + if SubGroupMap.has_key(group): + addGroups(existingGroups, SubGroupMap[group], uid) # Generate the group list def GenGroup(l,File): @@ -284,25 +415,23 @@ def GenGroup(l,File): GroupMap = {}; for x in GroupIDMap.keys(): GroupMap[x] = []; - + # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Sort them into a list of groups having a set of users for x in PasswdAttrs: + uid = GetAttr(x,"uid") if x[1].has_key("uidNumber") == 0 or IsInGroup(x) == 0: continue; if x[1].has_key("supplementaryGid") == 0: continue; - - for I in x[1]["supplementaryGid"]: - if GroupMap.has_key(I): - GroupMap[I].append(GetAttr(x,"uid")); - else: - print "Group does not exist ",I,"but",GetAttr(x,"uid"),"is in it"; - + + supgroups=[] + addGroups(supgroups, x[1]["supplementaryGid"], uid) + for g in supgroups: + GroupMap[g].append(uid); + # Output the group file. J = 0; for x in GroupMap.keys(): @@ -319,7 +448,7 @@ def GenGroup(l,File): F.write(".%s %s" % (x,Line)); F.write("=%u %s" % (GroupIDMap[x],Line)); J = J + 1; - + # Oops, something unspeakable happened. except: Die(File,None,F); @@ -338,14 +467,12 @@ def GenForward(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Write out the email address for each user for x in PasswdAttrs: if x[1].has_key("emailForward") == 0 or IsInGroup(x) == 0: continue; - + # Do not allow people to try to buffer overflow busted parsers if len(GetAttr(x,"emailForward")) > 200: continue; @@ -356,7 +483,7 @@ def GenForward(l,File): Line = "%s: %s" % (GetAttr(x,"uid"),GetAttr(x,"emailForward")); Line = Sanitize(Line) + "\n"; F.write(Line); - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -372,14 +499,12 @@ def GenAllForward(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Write out the email address for each user for x in PasswdAttrs: if x[1].has_key("emailForward") == 0: continue; - + # Do not allow people to try to buffer overflow busted parsers Forward = GetAttr(x,"emailForward"); if len(Forward) > 200: @@ -388,7 +513,7 @@ def GenAllForward(l,File): # Check the forwarding address if EmailCheck.match(Forward) == None: continue; - + User = GetAttr(x,"uid"); Fdb.write("+%d,%d:%s->%s\n"%(len(User),len(Forward),User,Forward)); Fdb.write("\n"); @@ -399,7 +524,7 @@ def GenAllForward(l,File): if Fdb.close() != None: raise "cdbmake gave an error"; -# Generate the anon XEarth marker file +# Generate the anon XEarth marker file def GenMarkers(l,File): F = None; try: @@ -407,20 +532,18 @@ def GenMarkers(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Write out the position for each user for x in PasswdAttrs: if x[1].has_key("latitude") == 0 or x[1].has_key("longitude") == 0: - continue; + continue; try: Line = "%8s %8s \"\""%(DecDegree(GetAttr(x,"latitude"),1),DecDegree(GetAttr(x,"longitude"),1)); Line = Sanitize(Line) + "\n"; F.write(Line); except: pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -435,26 +558,19 @@ def GenPrivate(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Write out the position for each user for x in PasswdAttrs: if x[1].has_key("privateSub") == 0: continue; - # If the account is locked, do not write it - if (GetAttr(x,"userPassword").find("*LK*") != -1) \ - or GetAttr(x,"userPassword").startswith("!"): - continue; - # If the account has no PGP key, do not write it if x[1].has_key("keyFingerPrint") == 0: continue; # Must be in the Debian group (yuk, hard coded for now) if GetAttr(x,"gidNumber") != "800": - continue; + continue; try: Line = "%s"%(GetAttr(x,"privateSub")); @@ -462,7 +578,7 @@ def GenPrivate(l,File): F.write(Line); except: pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -477,24 +593,25 @@ def GenDisabledAccounts(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; + global DisabledUsers I = 0; for x in PasswdAttrs: if x[1].has_key("uidNumber") == 0: continue; - + Pass = GetAttr(x,"userPassword"); Line = "" # *LK* is the reference value for a locked account # password starting with ! is also a locked account if Pass.find("*LK*") != -1 or Pass.startswith("!"): - # Format is : - Line = "%s:%s" % (GetAttr(x,"uid"), "Account is locked") + # Format is : + Line = "%s:%s" % (GetAttr(x,"uid"), "Account is locked") if Line != "": - F.write(Sanitize(Line) + "\n") + F.write(Sanitize(Line) + "\n") + + DisabledUsers.append(x) # Oops, something unspeakable happened. except: @@ -510,8 +627,6 @@ def GenMailDisable(l,File): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; for x in PasswdAttrs: Reason = None @@ -523,7 +638,7 @@ def GenMailDisable(l,File): # Must be in the Debian group (yuk, hard coded for now) if GetAttr(x,"gidNumber") != "800": - continue; + continue; try: Line = "%s: %s"%(GetAttr(x,"uid"),Reason); @@ -531,7 +646,7 @@ def GenMailDisable(l,File): F.write(Line); except: pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -546,18 +661,16 @@ def GenMailBool(l,File,Key): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; for x in PasswdAttrs: Reason = None - + if x[1].has_key(Key) == 0: continue # Must be in the Debian group (yuk, hard coded for now) if GetAttr(x,"gidNumber") != "800": - continue + continue if GetAttr(x,Key) != "TRUE": continue @@ -568,7 +681,7 @@ def GenMailBool(l,File,Key): F.write(Line); except: pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -583,29 +696,27 @@ def GenMailList(l,File,Key): # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; for x in PasswdAttrs: Reason = None - + if x[1].has_key(Key) == 0: continue # Must be in the Debian group (yuk, hard coded for now) if GetAttr(x,"gidNumber") != "800": - continue + continue try: found = 0 Line = None for z in x[1][Key]: if Key == "mailWhitelist": - if re.match('^[-\w.]+(/[\d]+)?$',z) == None: - continue - else: - if re.match('^[-\w.]+$',z) == None: - continue + if re.match('^[-\w.]+(/[\d]+)?$',z) == None: + continue + else: + if re.match('^[-\w.]+$',z) == None: + continue if found == 0: found = 1 Line = GetAttr(x,"uid") @@ -620,23 +731,31 @@ def GenMailList(l,File,Key): F.write(Line); except: pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); raise; Done(File,F,None); +def isRoleAccount(pwEntry): + if not pwEntry.has_key("objectClass"): + raise "pwEntry has no objectClass" + oc = pwEntry['objectClass'] + try: + i = oc.index('debianRoleAccount') + return True + except ValueError: + return False + # Generate the DNS Zone file def GenDNS(l,File,HomePrefix): F = None; try: F = open(File + ".tmp","w"); - + # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Write out the zone file entry for each user for x in PasswdAttrs: @@ -644,38 +763,38 @@ def GenDNS(l,File,HomePrefix): continue; # If the account has no PGP key, do not write it - if x[1].has_key("keyFingerPrint") == 0: + if x[1].has_key("keyFingerPrint") == 0 and not isRoleAccount(x[1]): continue; try: F.write("; %s\n"%(EmailAddress(x))); for z in x[1]["dnsZoneEntry"]: Split = z.lower().split() - if Split[1].lower() == 'in': + if Split[1].lower() == 'in': for y in range(0,len(Split)): if Split[y] == "$": Split[y] = "\n\t"; Line = " ".join(Split) + "\n"; F.write(Line); - - Host = Split[0] + DNSZone; - if BSMTPCheck.match(Line) != None: - F.write("; Has BSMTP\n"); - - # Write some identification information + + Host = Split[0] + DNSZone; + if BSMTPCheck.match(Line) != None: + F.write("; Has BSMTP\n"); + + # Write some identification information if Split[2].lower() == "a": - Line = "%s IN TXT \"%s\"\n"%(Split[0],EmailAddress(x)); + Line = "%s IN TXT \"%s\"\n"%(Split[0],EmailAddress(x)); for y in x[1]["keyFingerPrint"]: - Line = Line + "%s IN TXT \"PGP %s\"\n"%(Split[0],FormatPGPKey(y)); + Line = Line + "%s IN TXT \"PGP %s\"\n"%(Split[0],FormatPGPKey(y)); F.write(Line); - else: + else: Line = "; Err %s"%(str(Split)); F.write(Line); F.write("\n"); except: - F.write("; Errors\n"); + F.write("; Errors\n"); pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -687,11 +806,11 @@ def GenSSHFP(l,File,HomePrefix): F = None try: F = open(File + ".tmp","w") - + # Fetch all the hosts global HostAttrs if HostAttrs == None: - raise "No Hosts" + raise UDEmptyList, "No Hosts" for x in HostAttrs: if x[1].has_key("hostname") == 0 or \ @@ -722,11 +841,9 @@ def GenBSMTP(l,File,HomePrefix): F = None; try: F = open(File + ".tmp","w"); - + # Fetch all the users global PasswdAttrs; - if PasswdAttrs == None: - raise "No Users"; # Write out the zone file entry for each user for x in PasswdAttrs: @@ -739,21 +856,21 @@ def GenBSMTP(l,File,HomePrefix): try: for z in x[1]["dnsZoneEntry"]: Split = z.lower().split() - if Split[1].lower() == 'in': + if Split[1].lower() == 'in': for y in range(0,len(Split)): if Split[y] == "$": Split[y] = "\n\t"; Line = " ".join(Split) + "\n"; - - Host = Split[0] + DNSZone; - if BSMTPCheck.match(Line) != None: - F.write("%s: user=%s group=Debian file=%s%s/bsmtp/%s\n"%(Host, - GetAttr(x,"uid"),HomePrefix,GetAttr(x,"uid"),Host)); - + + Host = Split[0] + DNSZone; + if BSMTPCheck.match(Line) != None: + F.write("%s: user=%s group=Debian file=%s%s/bsmtp/%s\n"%(Host, + GetAttr(x,"uid"),HomePrefix,GetAttr(x,"uid"),Host)); + except: - F.write("; Errors\n"); + F.write("; Errors\n"); pass; - + # Oops, something unspeakable happened. except: Die(File,F,None); @@ -771,9 +888,10 @@ def HostToIP(Host): except socket.gaierror, (code): if code[0] != -2: raise IPAdresses = [] - for addr in IPAdressesT: - if addr[0] == socket.AF_INET: IPAdresses += [addr[1], "::ffff:"+addr[1]] - else: IPAdresses += [addr[1]] + if not IPAdressesT is None: + for addr in IPAdressesT: + if addr[0] == socket.AF_INET: IPAdresses += [addr[1], "::ffff:"+addr[1]] + else: IPAdresses += [addr[1]] HostToIPCache[Host] = IPAdresses return HostToIPCache[Host] @@ -788,16 +906,35 @@ def GenSSHKnown(l,File,mode=None): global HostAttrs if HostAttrs == None: - raise "No Hosts"; - + raise UDEmptyList, "No Hosts" + for x in HostAttrs: if x[1].has_key("hostname") == 0 or \ x[1].has_key("sshRSAHostKey") == 0: continue; Host = GetAttr(x,"hostname"); HostNames = [ Host ] - SHost = Host.find(".") - if SHost != None: HostNames += [Host[0:SHost]] + if Host.endswith(HostDomain): + HostNames.append(Host[:-(len(HostDomain)+1)]) + + # in the purpose field [[host|some other text]] (where some other text is optional) + # makes a hyperlink on the web thing. we now also add these hosts to the ssh known_hosts + # file. But so that we don't have to add everything we link we can add an asterisk + # and say [[*... to ignore it. In order to be able to add stuff to ssh without + # http linking it we also support [[-hostname]] entries. + for i in x[1].get("purpose",[]): + m = PurposeHostField.match(i) + if m: + m = m.group(1) + # we ignore [[*..]] entries + if m.startswith('*'): + continue; + if m.startswith('-'): + m = m[1:] + if m: + HostNames.append(m) + if m.endswith(HostDomain): + HostNames.append(m[:-(len(HostDomain)+1)]) for I in x[1]["sshRSAHostKey"]: if mode and mode == 'authorized_keys': @@ -815,40 +952,52 @@ def GenSSHKnown(l,File,mode=None): # Generate the debianhosts file (list of all IP addresses) def GenHosts(l,File): - F = None; + F = None try: - OldMask = os.umask(0022); - F = open(File + ".tmp","w",0644); - os.umask(OldMask); - - # Fetch all the hosts - HostNames = l.search_s(HostBaseDn,ldap.SCOPE_ONELEVEL,"hostname=*",\ - ["hostname"]); - - if HostNames == None: - raise "No Hosts"; - - for x in HostNames: - if x[1].has_key("hostname") == 0: - continue; - Host = GetAttr(x,"hostname"); - try: - Addr = socket.gethostbyname(Host); - F.write(Addr + "\n"); - except: - pass + OldMask = os.umask(0022) + F = open(File + ".tmp","w",0644) + os.umask(OldMask) + + # Fetch all the hosts + hostnames = l.search_s(HostBaseDn, ldap.SCOPE_ONELEVEL, "hostname=*", + ["hostname"]) + + if hostnames == None: + raise UDEmptyList, "No Hosts" + + seen = set() + for x in hostnames: + host = GetAttr(x,"hostname", None) + if host: + addrs = [] + try: + addrs += socket.getaddrinfo(host, None, socket.AF_INET) + except socket.error: + pass + try: + addrs += socket.getaddrinfo(host, None, socket.AF_INET6) + except socket.error: + pass + + for addrinfo in addrs: + if addrinfo[0] in (socket.AF_INET, socket.AF_INET6): + addr = addrinfo[4][0] + if addr not in seen: + print >> F, addrinfo[4][0] + seen.add(addr) # Oops, something unspeakable happened. except: - Die(File,F,None); - raise; - Done(File,F,None); + Die(File,F,None) + raise + Done(File,F,None) def GenKeyrings(l,OutDir): for k in Keyrings: shutil.copy(k, OutDir) + # Connect to the ldap server -l = ldap.open(LDAPServer); +l = connectLDAP() F = open(PassDir+"/pass-"+pwd.getpwuid(os.getuid())[0],"r"); Pass = F.readline().strip().split(" ") F.close(); @@ -857,27 +1006,33 @@ l.simple_bind_s("uid="+Pass[0]+","+BaseDn,Pass[1]); # Fetch all the groups GroupIDMap = {}; Attrs = l.search_s(BaseDn,ldap.SCOPE_ONELEVEL,"gid=*",\ - ["gid","gidNumber"]); + ["gid","gidNumber","subGroup"]); -# Generate the GroupMap and GroupIDMap +# Generate the SubGroupMap and GroupIDMap for x in Attrs: if x[1].has_key("gidNumber") == 0: continue; GroupIDMap[x[1]["gid"][0]] = int(x[1]["gidNumber"][0]); + if x[1].has_key("subGroup") != 0: + SubGroupMap.setdefault(x[1]["gid"][0], []).extend(x[1]["subGroup"]); # Fetch all the users PasswdAttrs = l.search_s(BaseDn,ldap.SCOPE_ONELEVEL,"uid=*",\ ["uid","uidNumber","gidNumber","supplementaryGid",\ "gecos","loginShell","userPassword","shadowLastChange",\ "shadowMin","shadowMax","shadowWarning","shadowInactive", - "shadowExpire","emailForward","latitude","longitude",\ + "shadowExpire","emailForward","latitude","longitude",\ "allowedHost","sshRSAAuthKey","dnsZoneEntry","cn","sn",\ - "keyFingerPrint","privateSub","mailDisableMessage",\ + "keyFingerPrint","privateSub","mailDisableMessage",\ "mailGreylisting","mailCallout","mailRBL","mailRHSBL",\ - "mailWhitelist"]); + "mailWhitelist", "sudoPassword", "objectClass", "accountStatus"]) + +if PasswdAttrs is None: + raise UDEmptyList, "No Users" + # Fetch all the hosts HostAttrs = l.search_s(HostBaseDn,ldap.SCOPE_ONELEVEL,"sshRSAHostKey=*",\ - ["hostname","sshRSAHostKey"]); + ["hostname","sshRSAHostKey","purpose"]); # Open the control file if len(sys.argv) == 1: @@ -887,7 +1042,15 @@ else: # Generate global things GlobalDir = GenerateDir+"/"; -SSHGlobal, SSHFiles = GenSSHShadow(l,GlobalDir+"ssh-rsa-shadow"); +GenMailDisable(l,GlobalDir+"mail-disable") + +for x in PasswdAttrs: + if IsRetired(x): + RetiredUsers.append(x) + +PasswdAttrs = filter(lambda x: not x in RetiredUsers, PasswdAttrs) + +SSHFiles = GenSSHShadow(l); GenAllForward(l,GlobalDir+"mail-forward.cdb"); GenMarkers(l,GlobalDir+"markers"); GenPrivate(l,GlobalDir+"debian-private"); @@ -895,7 +1058,6 @@ GenDisabledAccounts(l,GlobalDir+"disabled-accounts"); GenSSHKnown(l,GlobalDir+"ssh_known_hosts"); #GenSSHKnown(l,GlobalDir+"authorized_keys", 'authorized_keys'); GenHosts(l,GlobalDir+"debianhosts"); -GenMailDisable(l,GlobalDir+"mail-disable"); GenMailBool(l,GlobalDir+"mail-greylist","mailGreylisting"); GenMailBool(l,GlobalDir+"mail-callout","mailCallout"); GenMailList(l,GlobalDir+"mail-rbl","mailRBL"); @@ -906,6 +1068,8 @@ GenKeyrings(l,GlobalDir); # Compatibility. GenForward(l,GlobalDir+"forward-alias"); +PasswdAttrs = filter(lambda x: not x in DisabledUsers, PasswdAttrs) + while(1): Line = F.readline(); if Line == "": @@ -937,10 +1101,6 @@ while(1): Allowed = None CurrentHost = Split[0]; - # If we're using a single SSH file, deal with it - if SSHGlobal is not None: - DoLink(GlobalDir, OutDir, SSHGlobal) - DoLink(GlobalDir,OutDir,"debianhosts"); DoLink(GlobalDir,OutDir,"ssh_known_hosts"); DoLink(GlobalDir,OutDir,"disabled-accounts") @@ -952,64 +1112,21 @@ while(1): userlist = GenPasswd(l,OutDir+"passwd",Split[1], "x"); sys.stdout.flush(); grouprevmap = GenGroup(l,OutDir+"group"); + GenShadowSudo(l, OutDir+"sudo-passwd", ExtraList.has_key("[UNTRUSTED]") or ExtraList.has_key("[NOPASSWD]")) # Now we know who we're allowing on the machine, export # the relevant ssh keys - if MultipleSSHFiles: - OldMask = os.umask(0077); - tf = tarfile.open(name=os.path.join(GlobalDir, 'ssh-keys-%s.tar.gz' % CurrentHost), mode='w:gz') - os.umask(OldMask); - for f in userlist.keys(): - if f not in SSHFiles: - continue - # If we're not exporting their primary group, don't export - # the key and warn - grname = None - if userlist[f] in grouprevmap.keys(): - grname = grouprevmap[userlist[f]] - else: - try: - if int(userlist[f]) <= 100: - # In these cases, look it up in the normal way so we - # deal with cases where, for instance, users are in group - # users as their primary group. - grname = grp.getgrgid(userlist[f])[0] - except Exception, e: - pass - - if grname is None: - print "User %s is supposed to have their key exported to host %s but their primary group (gid: %d) isn't in LDAP" % (f, CurrentHost, userlist[f]) - continue - - to = tf.gettarinfo(os.path.join(GlobalDir, 'userkeys', f), f) - # These will only be used where the username doesn't - # exist on the target system for some reason; hence, - # in those cases, the safest thing is for the file to - # be owned by root but group nobody. This deals with - # the bloody obscure case where the group fails to exist - # whilst the user does (in which case we want to avoid - # ending up with a file which is owned user:root to avoid - # a fairly obvious attack vector) - to.uid = 0 - to.gid = 65534 - # Using the username / groupname fields avoids any need - # to give a shit^W^W^Wcare about the UIDoffset stuff. - to.uname = f - to.gname = grname - to.mode = 0400 - tf.addfile(to, file(os.path.join(GlobalDir, 'userkeys', f))) - - tf.close() - os.rename(os.path.join(GlobalDir, 'ssh-keys-%s.tar.gz' % CurrentHost), - os.path.join(OutDir, 'ssh-keys.tar.gz')) + GenSSHtarballs(userlist, SSHFiles, grouprevmap, os.path.join(OutDir, 'ssh-keys.tar.gz')) if ExtraList.has_key("[UNTRUSTED]"): + print "[UNTRUSTED] tag is obsolete and may be removed in the future." continue; if not ExtraList.has_key("[NOPASSWD]"): GenShadow(l,OutDir+"shadow"); - # Link in global things - DoLink(GlobalDir,OutDir,"markers"); + # Link in global things + if not ExtraList.has_key("[NOMARKERS]"): + DoLink(GlobalDir,OutDir,"markers"); DoLink(GlobalDir,OutDir,"mail-forward.cdb"); DoLink(GlobalDir,OutDir,"mail-disable"); DoLink(GlobalDir,OutDir,"mail-greylist"); @@ -1024,7 +1141,7 @@ while(1): if ExtraList.has_key("[DNS]"): GenDNS(l,OutDir+"dns-zone",Split[1]); GenSSHFP(l,OutDir+"dns-sshfp",Split[1]) - + if ExtraList.has_key("[BSMTP]"): GenBSMTP(l,OutDir+"bsmtp",Split[1]) @@ -1038,3 +1155,7 @@ while(1): for k in Keyrings: try: posix.remove(OutDir+os.path.basename(k)); except: pass; + +# vim:set et: +# vim:set ts=3: +# vim:set shiftwidth=3: