Samba NT & LM hashes with PEAP
Juraj Hrubša
freeradius at sitronicsts.sk
Tue Jun 24 08:07:12 CEST 2008
Hello
I want to use an existing LDAP database for authentication of WIFI users
using EAP-PEAP. I am already using LDAP as a backend for samba, so I
have NT and LM hashes stored. The problem is I am still getting errors:
rlm_mschap: Found LM-Password
rlm_mschap: Found NT-Password
rlm_mschap: Told to do MS-CHAPv2 for lolo with NT-Password
rlm_mschap: FAILED: MS-CHAP2-Response is incorrect
modcall[authenticate]: module "mschap" returns reject for request 6
modcall: leaving group MS-CHAP (returns reject) for request 6
rlm_eap: Freeing handler
I have generated NT and LM hashes for test user lolo like this:
# smbencrypt hoho
LM Hash NT Hash
-------------------------------- --------------------------------
E7B56BC6A10F5E88AAD3B435B51404EE C32F64F9BD0708A6A055812D83B085E2
I have tried ntdomain hack on and off without any result...
From radiusd.conf:
# Note that NT-Passwords MUST be stored as a 32-digit hex
# string, and MUST start off with "0x", such as:
#
# 0x000102030405060708090a0b0c0d0e0f
#
# Without the leading "0x", NT-Passwords will not work.
# This goes for NT-Passwords stored in SQL, too.
I have tried this, but I cannot set LDAP attributes to anything like
that, as I understand from samba ldap scheme.
attributetype ( 1.3.6.1.4.1.7165.2.1.24 NAME 'sambaLMPassword'
DESC 'LanManager Password'
EQUALITY caseIgnoreIA5Match
SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{32} SINGLE-VALUE )
attributetype ( 1.3.6.1.4.1.7165.2.1.25 NAME 'sambaNTPassword'
DESC 'MD4 hash of the unicode password'
EQUALITY caseIgnoreIA5Match
SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{32} SINGLE-VALUE )
Do I have to add other attributes, or is it possible to add "0x" via
some freeradius configuration?
I have added complete output as an attachment for your convenience.
Thanks in advance...
Juraj
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