import userdir_gpg, userdir_ldap, sys, traceback, time, ldap, os, commands
import pwd, tempfile
+import subprocess
+import email, email.parser
from userdir_gpg import *
from userdir_ldap import *
SSHFingerprint = re.compile('^(\d+) ([0-9a-f\:]{47}) (.+)$')
SSHRSA1Match = re.compile('^^(.* )?\d+ \d+ \d+')
-GenderTable = {"male": 1,
- "1": 1,
- "female": 2,
- "2": 2,
- "unspecified": 9,
- "9": 9,
+GenderTable = {"male": '1',
+ "1": '1',
+ "female": '2',
+ "2": '2',
+ "unspecified": '9',
+ "9": '9',
};
ArbChanges = {"c": "..",
global SudoPasswd
result = "\n"
+ if len(SudoPasswd) == 0:
+ return None
+
res = l.search_s(BaseDn,ldap.SCOPE_ONELEVEL,"uid="+uid, ['sudoPassword']);
if len(res) != 1:
raise UDFormatError, "Not exactly one hit when searching for user"
or GetAttr(Attrs[0],"userPassword").startswith("!"):
raise UDNotAllowedError, "This account is locked";
+ return l
+
# Handle an [almost] arbitary change
def HandleChange(Reply,DnRecord,Key):
global PlainText;
if CommitChanges == 1: # only if we are still good to go
try:
Res = FinishConfirmSudopassword(l, GetAttr(DnRecord,"uid"), Attrs)
- Result = Result + Res + "\n";
+ if not Res is None:
+ Result = Result + Res + "\n";
except Error, e:
CommitChanges = 0
Result = Result + "FinishConfirmSudopassword raised an error (%s) - no changes committed\n"%(e);
return Reply;
+def HandleChKrbPass(Reply,DnRecord,Key):
+ # Connect to the ldap server, will throw an exception if account locked.
+ l = connect_to_ldap_and_check_if_locked(DnRecord)
+
+ user = GetAttr(DnRecord,"uid")
+ krb_proc = subprocess.Popen( ('ud-krb-reset', user), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+ krb_proc.stdin.close()
+ out = krb_proc.stdout.readlines()
+ krb_proc.wait()
+ exitcode = krb_proc.returncode
+
+ # Use GPG to encrypt it
+ m = "Tried to reset your kerberos principal's password.\n"
+ if exitcode == 0:
+ m += "The exitcode of the reset script was zero, indicating that everything\n"
+ m += "worked. However, this being software who knows. Script's output below."
+ else:
+ m += "The exitcode of the reset script was %d, indicating that something\n"%(exitcode)
+ m += "went terribly, terribly wrong. Please consult the script's output below\n"
+ m += "for more information. Contact the admins if you have any questions or\n"
+ m += "require assitance."
+
+ m += "\n"+''.join( map(lambda x: "| "+x, out) )
+
+ Message = GPGEncrypt(m, "0x"+Key[1],Key[4]);
+ if Message == None:
+ raise UDFormatError, "Unable to generate the encrypted reply, gpg failed.";
+
+ Subst = {};
+ Subst["__FROM__"] = ChPassFrom;
+ Subst["__EMAIL__"] = EmailAddress(DnRecord);
+ Subst["__CRYPTTYPE__"] = get_crypttype_preamble(Key)
+ Subst["__PASSWORD__"] = Message;
+ Subst["__ADMIN__"] = ReplyTo;
+ Reply = Reply + TemplateSubst(Subst,open(TemplatesDir+"passwd-changed","r").read());
+
+ return Reply;
+
# Start of main program
# Drop messages from a mailer daemon.
# Get the email
ErrType = EX_PERMFAIL;
ErrMsg = "Failed to understand the email or find a signature:";
- Email = mimetools.Message(sys.stdin,0);
- Msg = GetClearSig(Email);
+ mail = email.parser.Parser().parse(sys.stdin);
+ Msg = GetClearSig(mail);
ErrMsg = "Message is not PGP signed:"
if Msg[0].find("-----BEGIN PGP SIGNED MESSAGE-----") == -1 and \
global PlainText;
ErrMsg = "Problem stripping MIME headers from the decoded message"
if Msg[1] == 1:
- try:
- Index = pgp.text.index("\n\n") + 2
- except ValueError:
- Index = pgp.text.index("\n\r\n") + 3
- PlainText = pgp.text[Index:]
+ e = email.parser.Parser().parsestr(pgp.text)
+ PlainText = e.get_payload(decode=True)
else:
PlainText = pgp.text
# Check the signature against the replay cache
RC = ReplayCache(ReplayCacheFile);
- RC.Clean();
- ErrMsg = "The replay cache rejected your message. Check your clock!";
- Rply = RC.Check(pgp.sig_info);
- if Rply != None:
- RC.close()
- raise UDNotAllowedError, Rply;
- RC.Add(pgp.sig_info);
- RC.close()
+ RC.process(pgp.sig_info)
# Determine the sender address
ErrMsg = "A problem occured while trying to formulate the reply";
- Sender = Email.getheader("Reply-To");
- if Sender == None:
- Sender = Email.getheader("From");
- if Sender == None:
- raise UDFormatError, "Unable to determine the sender's address";
+ Sender = mail['Reply-To']
+ if not Sender: Sender = mail['From']
+ if not Sender: raise UDFormatError, "Unable to determine the sender's address";
# Formulate a reply
Date = time.strftime("%a, %d %b %Y %H:%M:%S +0000",time.gmtime(time.time()));
if sys.argv[1] == "ping":
Reply = HandlePing(Reply,Attrs[0],pgp.key_info);
elif sys.argv[1] == "chpass":
- if PlainText.strip().find("Please change my Debian password"):
+ if PlainText.strip().find("Please change my Debian password") >= 0:
Reply = HandleChPass(Reply,Attrs[0],pgp.key_info);
+ elif PlainText.strip().find("Please change my Kerberos password") >= 0:
+ Reply = HandleChKrbPass(Reply,Attrs[0],pgp.key_info);
else:
raise UDFormatError,"Please send a signed message where the first line of text is the string 'Please change my Debian password' or some other string we accept here.";
elif sys.argv[1] == "change":
projects / mirror / userdir-ldap.git / blobdiff