Problems with LogonUser API

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3 total messages Started by Darko MIletic Wed, 18 Jun 2008 23:30

#64

Author: Darko MIletic
Date: Wed, 18 Jun 2008 23:30

14 lines
1514 bytes

I need to write a function that get's user profile folder for specified 
username. I use SHGetFolderPath API for this in conjunction with 
LogonUser. LogonUser is needed because since that is the only way (known 
to me) to get acl user token  needed for SHGetFolderPath. Everything 
works fine when account has password, however if I try to call LogonUser 
with empty password I get error ERROR_ACCOUNT_RESTRICTION that states:

Logon failure: user account restriction. Possible reasons are blank 
passwords not allowed, logon hour restrictions, or a policy restriction 
has been enforced.

So any idea how to get acl token for user account that has no password?

Thanks in advance

Re: Problems with LogonUser API

#106

Author: DreamChaser
Date: Fri, 27 Jun 2008 06:18

15 lines
1588 bytes

Darko MIletic wrote:
> I need to write a function that get's user profile folder for specified 
> username. I use SHGetFolderPath API for this in conjunction with 
> LogonUser. LogonUser is needed because since that is the only way (known 
> to me) to get acl user token  needed for SHGetFolderPath. Everything 
> works fine when account has password, however if I try to call LogonUser 
> with empty password I get error ERROR_ACCOUNT_RESTRICTION that states:
<snip>
> So any idea how to get acl token for user account that has no password?
> 
Is the user actually logged on to the machine, or are you trying to 
impersonate a user. If locally logged on take a look at 
SHGetSpecialFolderLocation()

dc

Re: Problems with LogonUser API

#109

Author: Darko Miletic
Date: Fri, 27 Jun 2008 14:27

11 lines
1381 bytes

DreamChaser wrote:
> Is the user actually logged on to the machine, or are you trying to 
> impersonate a user. 

As I said in my previous message I am trying to impersonate user.

>If locally logged on take a look at 
> SHGetSpecialFolderLocation()

That API is obsolete and superseeded with SHGetFolderPath. But in any 
case it does not matter since both API's need token for impersonated user.

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