Good catch. I added your patch to trunk.

On Friday, 23 November 2012 05:31:17 UTC-6, demetrio wrote:
>
> I made some progress on this issue.
>
> If ldap_mode is set to None, it always access and creates the user.
>
> Then I set ldap_mode to 'uid' and the @ issue doesn't happen more. But 
> there is a little bug in exception handling in the ldap login method, 
> because if the user exists but the password is incorrect, it enters anyway. 
> You need to set another exception:
>
> *except ldap.INVALID_CREDENTIALS, e:*
> *    return False*
> except ldap.LDAPError, e:
>     return False
> except IndexError, ex: # for AD membership test
>     return False
>
> I have tested it with 
>
> uid=ad...@host.ext,ou=People,dc=example,dc=com
>
> and with
>
> uid=admin,ou=People,dc=example,dc=com
>
> setting the auth.define_tables(username=True)
>
> and it works ok for me. I didn't try with the 'cn' mode
>
>
> El viernes, 23 de noviembre de 2012 00:30:28 UTC+1, Massimo Di Pierro 
> escribió:
>>
>> I believe this is a bug in Python-ldap not a bug in web2py. This is a 
>> serious bug.
>> 1) We have two options: block all usernames containing a @ (but what if 
>> the username is legitimate?)
>> 2) Fix it in ldap.
>>
>> In case 2) it would help if somebody could reproduce the problem in a 
>> simple python ldap script so we can submit a bug report without web2py.
>>
>> Massimo
>>
>>
>>
>>
>> On Thursday, 22 November 2012 11:26:58 UTC-6, demetrio wrote:
>>>
>>> I have the same issue using web2py 1.99.7. I'm trying to connecto to an 
>>> OpenDS LDAP, and if I use any non-existing user with "@" enters 
>>> automatically.
>>>
>>> Is this resolved in a newer release? If I can send some debug info just 
>>> tell me.
>>>
>>> El jueves, 8 de noviembre de 2012 16:26:57 UTC+1, Massimo Di Pierro 
>>> escribió:
>>>>
>>>> I emailed you privately abou this. Asking for for somd debug info. Did 
>>>> you get my email?
>>>
>>>

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