Re: Unable to debug ATL out-proc server when the client is ASP page

From:

"Alexander Nickolov" <agnickolov@mvps.org>

Newsgroups:

microsoft.public.vc.language

Date:

Tue, 7 Aug 2007 17:36:03 -0700

Message-ID:

<uOp1XQV2HHA.6072@TK2MSFTNGP03.phx.gbl>

More precisely, as activator (and as user) means to use a non-
interactive (batch) logon session. It would never use the interactive
logon session as it can be closed while a server is still running.
(The difference between as activator and as user is the user
for the logon session - the activating user in case of as activator,
and a preconfigured user in case of as user.)

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://vcfaq.mvps.org
=====================================

"Johannes Passing" <jpassing_at_hotmail_com@nospam.com> wrote in message
news:u1DRYbR2HHA.4400@TK2MSFTNGP06.phx.gbl...

Hi Ramesh,

though the IIS WP uses the same credentials as your IDE process, it runs
in a different logon session. When using As Activator Activation ('The
launching user'), the COM SCM will only reuse local servers within the
same logon session. And as there has not been any such server running in
IIS' logon session yet, the SCM started one - so you ended up with two
processes.

--Johannes

asnowfall@gmail.com wrote:

'REGCLS_MULTIPLEUSE' was already there, and I added 'The interactive
user', then it started hitting the break point.

But what baffles me is this... you can explain this riddle to me...
I had logged in to the machine as 'domain\user1' and that account has
admin right on the machine.
I had configured website to use "domain\user1" while serving
'anonymous' web requests. I had also given "domain\user1" the "Local
Launch" & "Local Activation" permissions.

When I had two instances of server, one running inside IDE and the
other as a result of web request, both had the security context of
user 'domain\user1', this was according to 'task manager'. And "domain
\user1" was already a inter-active user.
So, breakpoint must have hit without me setting 'The interactive user'
in dcomcnfg.exe, but it did not,
please explain this...

FYI. I have know little bit about window station, but not able to
apply it here.

Thanks
Ramesh

even before I had made sure that 'user' being used is as logged in
user.

On Aug 7, 5:16 am, Johannes Passing
<jpassing_at_hotmail_...@nospam.com> wrote:

What setting did you choose in the 'Identity'-Tab in dcomcnfg? Try using
'The interactive user'. Also, did you specify REGCLS_MULTIPLEUSE
in your call to CoRegisterClassObject?

--Johannes

asnowf...@gmail.com wrote:

I have a COM Out-proc server developed using ATL/Vs2005 and is being
called by ASP page or web client. I want to debug the COM server, but
the break point is not getting hit. This is what I am doing...
1) Kept the server running in Vs2005 IDE
2) Opened ASP page in IE.
3) A brand new instance of server got created instead of re-using the
existing one.
COM server is a simple out-proc server, I not have overloaded any
methods of 'CAtlExeModuleT' class, and
int _tWinMain()
{
hr = _AtlModule.WinMain(nShowCmd);
}
I ran dcomcnfg.exe and gave "Local Launch" & "Local Activation"
permission to user 'IWAM_zzz' and 'IUSR_zzz'.
I can debug if I invoke the server using a non-web client, like VBS
file, so I think the reason for not being able to hit the break point,
in case of webclient, is security related.
Please help me resolve this
Thanks
Ramesh

--
Johannes Passing -http://int3.de/- Hide quoted text -

- Show quoted text -

--
Johannes Passing - http://int3.de/

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