+# Copyright (c) 1999-2000 Jason Gunthorpe <jgg@debian.org>
+# Copyright (c) 2001-2003 Ryan Murray <rmurray@debian.org>
+# Copyright (c) 2004-2005 Joey Schulze <joey@infodrom.org>
+# Copyright (c) 2008 Peter Palfrader <peter@palfrader.org>
+# Copyright (c) 2008 Thomas Viehmann <tv@beamnet.de>
+#
+# 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
# Some routines and configuration that are used by the ldap progams
-import termios, TERMIOS, re, string, imp, ldap, sys, whrandom, crypt, rfc822;
+import crypt
+import getpass
+import hashlib
+import hmac
+import imp
+import ldap
+import os
+import pwd
+import re
+import rfc822
+import sys
+import termios
+
+import userdir_gpg
try:
- File = open("/etc/userdir-ldap/userdir-ldap.conf");
-except:
- File = open("userdir-ldap.conf");
-ConfModule = imp.load_source("userdir_config","/etc/userdir-ldap.conf",File);
-File.close();
+ File = open("/etc/userdir-ldap/userdir-ldap.conf")
+except IOError:
+ File = open("userdir-ldap.conf")
+ConfModule = imp.load_source("userdir_config", "/etc/userdir-ldap.conf", File)
+File.close()
# Cheap hack
-BaseDn = ConfModule.basedn;
-BaseDn = ConfModule.basedn;
-LDAPServer = ConfModule.ldaphost;
-EmailAppend = ConfModule.emailappend;
-AdminUser = ConfModule.adminuser;
-GenerateDir = ConfModule.generatedir;
-GenerateConf = ConfModule.generateconf;
-DefaultGID = ConfModule.defaultgid;
-TemplatesDir = ConfModule.templatesdir;
-PassDir = ConfModule.passdir;
-Ech_ErrorLog = ConfModule.ech_errorlog;
-Ech_MainLog = ConfModule.ech_mainlog;
+BaseDn = ConfModule.basedn
+HostBaseDn = ConfModule.hostbasedn
+LDAPServer = ConfModule.ldaphost
+EmailAppend = ConfModule.emailappend
+AdminUser = ConfModule.adminuser
+GenerateDir = ConfModule.generatedir
+AllowedGroupsPreload = ConfModule.allowedgroupspreload
+HomePrefix = ConfModule.homeprefix
+TemplatesDir = ConfModule.templatesdir
+PassDir = ConfModule.passdir
+Ech_ErrorLog = ConfModule.ech_errorlog
+Ech_MainLog = ConfModule.ech_mainlog
+HostDomain = getattr(ConfModule, "hostdomain", EmailAppend)
+
+try:
+ UseSSL = ConfModule.usessl
+except AttributeError:
+ UseSSL = False
+
+try:
+ BaseBaseDn = ConfModule.basebasedn
+except AttributeError:
+ BaseBaseDn = BaseDn
+
+try:
+ IgnoreUsersForUIDNumberGen = ConfModule.ignoreusersforuidnumbergen
+except AttributeError:
+ IgnoreUsersForUIDNumberGen = ['nobody']
+
+
+# Break up the keyring list
+userdir_gpg.SetKeyrings(ConfModule.keyrings.split(":"))
# This is a list of common last-name prefixes
-LastNamesPre = {"van": None, "le": None, "de": None, "di": None};
+LastNamesPre = {"van": None, "von": None, "le": None, "de": None, "di": None}
+
+# This is a list of common groups on Debian hosts
+DebianGroups = {
+ "Debian": 800,
+ "guest": 60000,
+ "nogroup": 65534,
+}
+
+# ObjectClasses for different object types
+UserObjectClasses = ("top", "inetOrgPerson", "debianAccount", "shadowAccount", "debianDeveloper")
+RoleObjectClasses = ("top", "debianAccount", "shadowAccount", "debianRoleAccount")
+GroupObjectClasses = ("top", "debianGroup")
# SSH Key splitting. The result is:
# (options,size,modulous,exponent,comment)
-SSHAuthSplit = re.compile('^(.* )?(\d+) (\d+) (\d+) ?(.+)$');
-#'^([^\d](?:[^ "]+(?:".*")?)*)? ?(\d+) (\d+) (\d+) (.+)$');
+SSHAuthSplit = re.compile('^(.* )?(\d+) (\d+) (\d+) ?(.+)$')
+SSH2AuthSplit = re.compile('^(.* )?ssh-(dss|rsa|ecdsa-sha2-nistp(?:256|384|521)|ed25519) ([a-zA-Z0-9=/+]+) ?(.+)$')
+AddressSplit = re.compile("(.*).*<([^@]*)@([^>]*)>")
+
# Safely get an attribute from a tuple representing a dn and an attribute
# list. It returns the first attribute if there are multi.
-def GetAttr(DnRecord,Attribute,Default = ""):
+def GetAttr(DnRecord, Attribute, Default=""):
try:
- return DnRecord[1][Attribute][0];
+ return DnRecord[1][Attribute][0]
except IndexError:
- return Default;
+ return Default
except KeyError:
- return Default;
- return Default;
+ return Default
+ return Default
+
# Return a printable email address from the attributes.
def EmailAddress(DnRecord):
- cn = GetAttr(DnRecord,"cn");
- sn = GetAttr(DnRecord,"sn");
- uid = GetAttr(DnRecord,"uid");
+ cn = GetAttr(DnRecord, "cn")
+ sn = GetAttr(DnRecord, "sn")
+ uid = GetAttr(DnRecord, "uid")
if cn == "" and sn == "":
- return "<" + uid + "@" + EmailAppend + ">";
+ return "<" + uid + "@" + EmailAppend + ">"
return cn + " " + sn + " <" + uid + "@" + EmailAppend + ">"
+
# Show a dump like ldapsearch
def PrettyShow(DnRecord):
- Result = "";
- List = DnRecord[1].keys();
- List.sort();
+ Result = ""
+ List = DnRecord[1].keys()
+ List.sort()
for x in List:
- Rec = DnRecord[1][x];
+ Rec = DnRecord[1][x]
for i in Rec:
- Result = Result + "%s: %s\n" % (x,i);
- return Result[:-1];
-
-# Function to prompt for a password
-def getpass(prompt = "Password: "):
- import termios, TERMIOS, sys;
- fd = sys.stdin.fileno();
- old = termios.tcgetattr(fd);
- new = termios.tcgetattr(fd);
- new[3] = new[3] & ~TERMIOS.ECHO; # lflags
- try:
- termios.tcsetattr(fd, TERMIOS.TCSADRAIN, new);
- passwd = raw_input(prompt);
- finally:
- termios.tcsetattr(fd, TERMIOS.TCSADRAIN, old);
- print;
- return passwd;
+ Result = Result + "%s: %s\n" % (x, i)
+ return Result[:-1]
+
+
+def connectLDAP(server=None):
+ if server is None:
+ global LDAPServer
+ server = LDAPServer
+ lc = ldap.open(server)
+ global UseSSL
+ if UseSSL:
+ lc.start_tls_s()
+ return lc
+
+
+def passwdAccessLDAP(BaseDn, AdminUser):
+ """
+ Ask for the AdminUser's password and connect to the LDAP server.
+ Returns the connection handle.
+ """
+ print "Accessing LDAP directory as '" + AdminUser + "'"
+ while (1):
+ if 'LDAP_PASSWORD' in os.environ:
+ Password = os.environ['LDAP_PASSWORD']
+ else:
+ Password = getpass.getpass(AdminUser + "'s password: ")
+
+ if len(Password) == 0:
+ sys.exit(0)
+
+ lc = connectLDAP()
+ UserDn = "uid=" + AdminUser + "," + BaseDn
+
+ # Connect to the ldap server
+ try:
+ lc.simple_bind_s(UserDn, Password)
+ except ldap.INVALID_CREDENTIALS:
+ if 'LDAP_PASSWORD' in os.environ:
+ print "password in environment does not work"
+ del os.environ['LDAP_PASSWORD']
+ continue
+ break
+ return lc
+
# Split up a name into multiple components. This tries to best guess how
# to split up a name
def NameSplit(Name):
- Words = re.split(" ",string.strip(Name));
+ Words = re.split(" ", Name.strip())
# Insert an empty middle name
- if (len(Words) == 2):
- Words.insert(1,"");
- if (len(Words) < 2):
- Words.append("");
+ if len(Words) == 2:
+ Words.insert(1, "")
+ if len(Words) < 2:
+ Words.append("")
# Put a dot after any 1 letter words, must be an initial
- for x in range(0,len(Words)):
+ for x in range(0, len(Words)):
if len(Words[x]) == 1:
- Words[x] = Words[x] + '.';
+ Words[x] = Words[x] + '.'
# If a word starts with a -, ( or [ we assume it marks the start of some
# Non-name information and remove the remainder of the string
- for x in range(0,len(Words)):
- if len(Words[x]) != 0 and (Words[x][0] == '-' or \
- Words[x][0] == '(' or Words[x][0] == '['):
- Words = Words[0:x];
- break;
-
+ for x in range(0, len(Words)):
+ if len(Words[x]) != 0 and (Words[x][0] == '-' or
+ Words[x][0] == '(' or Words[x][0] == '['):
+ Words = Words[0:x]
+ break
+
# Merge any of the middle initials
- if len(Words) > 2:
- while len(Words[2]) == 2 and Words[2][1] == '.':
- Words[1] = Words[1] + Words[2];
- del Words[2];
+ while len(Words) > 2 and len(Words[2]) == 2 and Words[2][1] == '.':
+ Words[1] = Words[1] + Words[2]
+ del Words[2]
while len(Words) < 2:
- Words.append('');
-
+ Words.append('')
+
# Merge any of the last name prefixes into one big last name
- while LastNamesPre.has_key(string.lower(Words[-2])):
- Words[-1] = Words[-2] + " " + Words[-1];
- del Words[-2];
+ while Words[-2].lower() in LastNamesPre:
+ Words[-1] = Words[-2] + " " + Words[-1]
+ del Words[-2]
# Fix up a missing middle name after lastname globbing
- if (len(Words) == 2):
- Words.insert(1,"");
+ if len(Words) == 2:
+ Words.insert(1, "")
# If the name is multi-word then we glob them all into the last name and
# do not worry about a middle name
if (len(Words) > 3):
- Words[2] = string.join(Words[1:]);
- Words[1] = "";
+ Words[2] = " ".join(Words[1:])
+ Words[1] = ""
+
+ return (Words[0].strip(), Words[1].strip(), Words[2].strip())
- return (string.strip(Words[0]),string.strip(Words[1]),string.strip(Words[2]));
# Compute a random password using /dev/urandom
-def GenPass():
+def GenPass():
# Generate a 10 character random string
- SaltVals = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/.";
- Rand = open("/dev/urandom");
- Password = "";
- for i in range(0,10):
- Password = Password + SaltVals[ord(Rand.read(1)[0]) % len(SaltVals)];
- return Password;
+ SaltVals = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/."
+ Rand = open("/dev/urandom")
+ Password = ""
+ for i in range(0, 15):
+ Password = Password + SaltVals[ord(Rand.read(1)[0]) % len(SaltVals)]
+ return Password
+
# Compute the MD5 crypted version of the given password
def HashPass(Password):
# Hash it telling glibc to use the MD5 algorithm - if you dont have
# glibc then just change Salt = "$1$" to Salt = "";
- SaltVals = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/.";
- Salt = "$1$";
- for x in range(0,10):
- Salt = Salt + SaltVals[whrandom.randint(0,len(SaltVals)-1)];
- Pass = crypt.crypt(Password,Salt);
+ SaltVals = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/."
+ Salt = "$1$"
+ Rand = open("/dev/urandom")
+ for x in range(0, 10):
+ Salt = Salt + SaltVals[ord(Rand.read(1)[0]) % len(SaltVals)]
+ Pass = crypt.crypt(Password, Salt)
if len(Pass) < 14:
- raise "Password Error", "MD5 password hashing failed, not changing the password!";
- return Pass;
+ raise "Password Error", "MD5 password hashing failed, not changing the password!"
+ return Pass
+
# Sync with the server, we count the number of async requests that are pending
# and make sure result has been called that number of times
-def FlushOutstanding(l,Outstanding,Fast=0):
+def FlushOutstanding(l, Outstanding, Fast=0):
# Sync with the remote end
if Fast == 0:
- print "Waiting for",Outstanding,"requests:",
+ print "Waiting for {} requests:".format(Outstanding),
while (Outstanding > 0):
try:
if Fast == 0 or Outstanding > 50:
- sys.stdout.write(".",);
- sys.stdout.flush();
- if (l.result(ldap.RES_ANY,1) != (None,None)):
- Outstanding = Outstanding - 1;
+ sys.stdout.write(".",)
+ sys.stdout.flush()
+ if (l.result(ldap.RES_ANY, 1) != (None, None)):
+ Outstanding = Outstanding - 1
else:
- if (l.result(ldap.RES_ANY,1,0) != (None,None)):
- Outstanding = Outstanding - 1;
- else:
- break;
+ if (l.result(ldap.RES_ANY, 1, 0) != (None, None)):
+ Outstanding = Outstanding - 1
+ else:
+ break
except ldap.TYPE_OR_VALUE_EXISTS:
- Outstanding = Outstanding - 1;
+ Outstanding -= 1
except ldap.NO_SUCH_ATTRIBUTE:
- Outstanding = Outstanding - 1;
+ Outstanding -= 1
except ldap.NO_SUCH_OBJECT:
- Outstanding = Outstanding - 1;
+ Outstanding -= 1
if Fast == 0:
- print;
- return Outstanding;
+ print
+ return Outstanding
+
# Convert a lat/long attribute into Decimal degrees
-def DecDegree(Posn,Anon=0):
- Parts = re.match('[+-]?(\d*)\\.?(\d*)?',Posn).groups();
- Val = string.atof(Posn);
+def DecDegree(Posn, Anon=0):
+ Parts = re.match('[-+]?(\d*)\\.?(\d*)', Posn).groups()
+ Val = float(Posn)
if (abs(Val) >= 1806060.0):
- raise ValueError,"Too Big";
+ raise ValueError("Too Big")
# Val is in DGMS
if abs(Val) >= 18060.0 or len(Parts[0]) > 5:
- Val = Val/100.0;
- Secs = Val - long(Val);
- Val = long(Val)/100.0;
- Min = Val - long(Val);
- Val = long(Val) + (Min*100.0 + Secs*100.0/60.0)/60.0;
+ Val = Val / 100.0
+ Secs = Val - long(Val)
+ Val = long(Val) / 100.0
+ Min = Val - long(Val)
+ Val = long(Val) + (Min * 100.0 + Secs * 100.0 / 60.0) / 60.0
# Val is in DGM
elif abs(Val) >= 180 or len(Parts[0]) > 3:
- Val = Val/100.0;
- Min = Val - long(Val);
- Val = long(Val) + Min*100.0/60.0;
-
+ Val = Val / 100.0
+ Min = Val - long(Val)
+ Val = long(Val) + Min * 100.0 / 60.0
+
if Anon != 0:
- Str = "%3.2f"%(Val);
+ Str = "%3.2f" % (Val)
else:
- Str = str(Val);
+ Str = str(Val)
if Val >= 0:
- return "+" + Str;
- return Str;
+ return "+" + Str
+ return Str
+
+
+def FormatSSH2Auth(Str):
+ Match = SSH2AuthSplit.match(Str)
+ if Match is None:
+ return "<unknown format>"
+ G = Match.groups()
+
+ if G[0] is None:
+ return "ssh-%s %s..%s %s" % (G[1], G[2][:8], G[2][-8:], G[3])
+ return "%s ssh-%s %s..%s %s" % (G[0], G[1], G[2][:8], G[2][-8:], G[3])
+
def FormatSSHAuth(Str):
- Match = SSHAuthSplit.match(Str);
- if Match == None:
- return "<unknown format>";
- G = Match.groups();
+ Match = SSHAuthSplit.match(Str)
+ if Match is None:
+ return FormatSSH2Auth(Str)
+ G = Match.groups()
# No options
- if G[0] == None:
- return "%s %s %s..%s %s"%(G[1],G[2],G[3][:8],G[3][-8:],G[4]);
- return "%s %s %s %s..%s %s"%(G[0],G[1],G[2],G[3][:8],G[3][-8:],G[4]);
+ if G[0] is None:
+ return "%s %s %s..%s %s" % (G[1], G[2], G[3][:8], G[3][-8:], G[4])
+ return "%s %s %s %s..%s %s" % (G[0], G[1], G[2], G[3][:8], G[3][-8:], G[4])
+
def FormatPGPKey(Str):
- Res = "";
+ Res = ""
# PGP 2.x Print
if (len(Str) == 32):
- I = 0;
- while (I < len(Str)):
- if I+2 == 32/2:
- Res = "%s %s%s "%(Res,Str[I],Str[I+1]);
+ indent = 0
+ while (indent < len(Str)):
+ if indent == 32 / 2:
+ Res = "%s %s%s " % (Res, Str[indent], Str[indent + 1])
else:
- Res = "%s%s%s "%(Res,Str[I],Str[I+1]);
- I = I + 2;
+ Res = "%s%s%s " % (Res, Str[indent], Str[indent + 1])
+ indent += 2
elif (len(Str) == 40):
# OpenPGP Print
- I = 0;
- while (I < len(Str)):
- if I+4 == 40/2:
- Res = "%s %s%s%s%s "%(Res,Str[I],Str[I+1],Str[I+2],Str[I+3]);
+ indent = 0
+ while (indent < len(Str)):
+ if indent == 40 / 2:
+ Res = "%s %s%s%s%s " % (Res, Str[indent], Str[indent + 1], Str[indent + 2], Str[indent + 3])
else:
- Res = "%s%s%s%s%s "%(Res,Str[I],Str[I+1],Str[I+2],Str[I+3]);
- I = I + 4;
+ Res = "%s%s%s%s%s " % (Res, Str[indent], Str[indent + 1], Str[indent + 2], Str[indent + 3])
+ indent += 4
else:
- Res = Str;
- return string.strip(Res);
+ Res = Str
+ return Res.strip()
+
# Take an email address and split it into 3 parts, (Name,UID,Domain)
def SplitEmail(Addr):
- Res1 = rfc822.AddrlistClass(Addr).getaddress();
+ # Is not an email address at all
+ if Addr.find('@') == -1:
+ return (Addr, "", "")
+
+ Res1 = rfc822.AddrlistClass(Addr).getaddress()
if len(Res1) != 1:
- return ("","",Addr);
- Res1 = Res1[0];
- if Res1[1] == None:
- return (Res1[0],"","");
- Res2 = string.split(Res1[1],"@");
+ return ("", "", Addr)
+ Res1 = Res1[0]
+ if Res1[1] is None:
+ return (Res1[0], "", "")
+
+ # If there is no @ then the address was not parsed well. Try the alternate
+ # Parsing scheme. This is particularly important when scanning PGP keys.
+ Res2 = Res1[1].split("@")
if len(Res2) != 2:
- return (Res1[0],"",Res1[1]);
- return (Res1[0],Res2[0],Res2[1]);
+ Match = AddressSplit.match(Addr)
+ if Match is None:
+ return ("", "", Addr)
+ return Match.groups()
+
+ return (Res1[0], Res2[0], Res2[1])
+
+
+# Convert the PGP name string to a uid value. The return is a tuple of
+# (uid,[message strings]). UnknownMpa is a hash from email to uid that
+# overrides normal searching.
+def GetUID(l, Name, UnknownMap={}):
+ # Crack up the email address into a best guess first/middle/last name
+ (cn, mn, sn) = NameSplit(re.sub('["]', '', Name[0]))
+
+ # Brackets anger the ldap searcher
+ cn = re.sub('[(")]', '?', cn)
+ sn = re.sub('[(")]', '?', sn)
+
+ # First check the unknown map for the email address
+ if Name[1] + '@' + Name[2] in UnknownMap:
+ Stat = "unknown map hit for " + str(Name)
+ return (UnknownMap[Name[1] + '@' + Name[2]], [Stat])
+
+ # Then the cruft component (ie there was no email address to match)
+ if Name[2] in UnknownMap:
+ Stat = "unknown map hit for" + str(Name)
+ return (UnknownMap[Name[2]], [Stat])
+
+ # Then the name component (another ie there was no email address to match)
+ if Name[0] in UnknownMap:
+ Stat = "unknown map hit for" + str(Name)
+ return (UnknownMap[Name[0]], [Stat])
+
+ # Search for a possible first/last name hit
+ try:
+ Attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(&(cn=%s)(sn=%s))" % (cn, sn), ["uid"])
+ except ldap.FILTER_ERROR:
+ Stat = "Filter failure: (&(cn=%s)(sn=%s))" % (cn, sn)
+ return (None, [Stat])
+
+ # Try matching on the email address
+ if len(Attrs) != 1:
+ try:
+ Attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "emailforward=%s" % (Name[2]), ["uid"])
+ except ldap.FILTER_ERROR:
+ pass
+
+ # Hmm, more than one/no return
+ if len(Attrs) != 1:
+ # Key claims a local address
+ if Name[2] == EmailAppend:
+
+ # Pull out the record for the claimed user
+ Attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(uid=%s)" % (Name[1]), ["uid", "sn", "cn"])
+
+ # We require the UID surname to be someplace in the key name, this
+ # deals with special purpose keys like 'James Troup (Alternate Debian key)'
+ # Some people put their names backwards on their key too.. check that as well
+ if len(Attrs) == 1 and \
+ (sn.lower().find(Attrs[0][1]["sn"][0].lower()) != -1 or
+ cn.lower().find(Attrs[0][1]["sn"][0].lower()) != -1):
+ Stat = EmailAppend + " hit for " + str(Name)
+ return (Name[1], [Stat])
+
+ # Attempt to give some best guess suggestions for use in editing the
+ # override file.
+ Attrs = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, "(sn~=%s)" % (sn,), ["uid", "sn", "cn"])
+
+ Stat = []
+ if len(Attrs) != 0:
+ Stat = ["None for %s" % (str(Name))]
+ for x in Attrs:
+ Stat.append("But might be: %s %s <%s@debian.org>" % (x[1]["cn"][0], x[1]["sn"][0], x[1]["uid"][0]))
+ return (None, Stat)
+ else:
+ return (Attrs[0][1]["uid"][0], None)
+
+ return (None, None)
+
+
+def Group2GID(l, name):
+ """
+ Returns the numerical id of a common group
+ on error returns -1
+ """
+ for g in DebianGroups.keys():
+ if name == g:
+ return DebianGroups[g]
+
+ filter = "(gid=%s)" % name
+ res = l.search_s(BaseDn, ldap.SCOPE_ONELEVEL, filter, ["gidNumber"])
+ if res:
+ return int(GetAttr(res[0], "gidNumber"))
+
+ return -1
+
+
+def make_hmac(str):
+ if 'UD_HMAC_KEY' in os.environ:
+ HmacKey = os.environ['UD_HMAC_KEY']
+ else:
+ File = open(PassDir + "/key-hmac-" + pwd.getpwuid(os.getuid())[0], "r")
+ HmacKey = File.readline().strip()
+ File.close()
+ return hmac.new(HmacKey, str, hashlib.sha1).hexdigest()
+
+
+def make_passwd_hmac(status, purpose, uid, uuid, hosts, cryptedpass):
+ return make_hmac(':'.join([status, purpose, uid, uuid, hosts, cryptedpass]))
projects / mirror / userdir-ldap.git / blobdiff