"Unable to cast object of System.Byte[] to ActiveDs.IADsSecurityDescriptor"

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Hi,
My problem is that I am using LDAPconnection class and connecting over ssl.
I manage to get nTSecurityDescriptor value but now getting error.

"Unable to cast object of System.Byte[] to ActiveDs.IADsSecurityDescriptor"

I am using code like this.

C#

SearchResponse response = (SearchResponse)connection.SendRequest(request);

IADsSecurityDescriptor sd = (IADsSecurityDescriptor)response.Entries[0].Attributes["nTSecurityDescriptor"][0];

Is there any error or some other way to do this?

Posted 5-Nov-12 19:46pm

mayankkarki

Updated 5-Nov-12 21:26pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

v2

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mayankkarki 7-Nov-12 1:06am

Hi,
One more thing I found. If I use directoryEntry and get nTSecurityDescriptor property then it is of type "System.__ComObject" and when I am using directoryAttrbute in searchResponse of ldapConnection then I am getting System.Byte[].

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mayankkarki · Answer 1 · 2012-11-23T19:49:00

At last I find the answer of my question. This class convert the byte[] to valid security decriptor comobject.

ActiveDs.ADsSecurityUtility secUtility = new ActiveDs.ADsSecurityUtility();
ActiveDs.IADsSecurityDescriptor sd = (IADsSecurityDescriptor)secUtility.ConvertSecurityDescriptor((byte[])attribute[0], (int)ADS_SD_FORMAT_ENUM.ADS_SD_FORMAT_RAW, (int)ADS_SD_FORMAT_ENUM.ADS_SD_FORMAT_IID);