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From Kiran Ayyagari <>
Subject Re: svn commit: r1144962 - /directory/apacheds/trunk/core-api/src/main/java/org/apache/directory/server/core/
Date Tue, 12 Jul 2011 06:19:50 GMT
On Tue, Jul 12, 2011 at 11:23 AM, Emmanuel Lécharny
<> wrote:
> On 7/12/11 2:21 AM, Alex Karasulu wrote:
>> On Mon, Jul 11, 2011 at 9:55 AM, Emmanuel Lecharny<>
>>  wrote:
>>> I'm not sure it"s a good idea to setup a default session, at least to
>>> admin.
>>> If we consider the normal (ie, not embedded) server, we don't set any
>>> session, the default session is Anonymous (of course if allowed). IMO,
>>> this
>>> might be a security breach too.
>>> What was the rational for this modificatioon, Alex ?
>> First there was a big null pointer exception due to this not being
>> set. Second taking a big step back I thought about it and if I have a
>> handle on DirectoryService I can pretty much do anything anyway. If
>> I'm using CoreSessions and DirectoryServices I can use any kind of
>> session there's no security barrier there. So IMO there's no security
>> issue here to defaulting to an admin session.
> Make sense. I'm just wondering if we shouldn't mimic the way the LDAP server
> works by forcing the session to use an anonymous principal by default,
> instead of an admin one. I shouldn't have used the term 'security issue',
> it's not really a problem in this case, what I had in mind is that if
> someone want to use a Admin session, it's probably better to require that he
> explicitly create such a session. Call it 'protection against stupid
> move'...
> PS : NPE ? ouch...
this NPE is a valid one in this case, note that this is a connection
implementation and a user is supposed to call bind()
but the constructor LdapCoreSessionConnection( CoreSession session )
is entirely different, in this case the user knows what he is
doing, so my preference would be to move the assignment to this
constructor and assign the passed session (i.e.,

 this.session = session;

 rather than

this.session = directoryService.getAdminSession(); in setDirectoryService())

what we already know is that DS is available and user/app can do
anything if has got access to, but more important is
the usage from an app developer's POV, if I have a web app that allows
users to connect to the server using LdapCoreSessionConnection
then assigning admin session by default during initialization will be
a serious security issue.

Kiran Ayyagari

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