private byte[] GetEntryId(string permissionUserName)
{
// Generate the Entry ID for the anonymous and default user.
if (string.Equals(this.anonymousUser, permissionUserName, StringComparison.OrdinalIgnoreCase) || string.Empty == permissionUserName)
{
return new byte[0];
}
else
{
string distinguishedName = string.Empty;
if (string.Equals(permissionUserName, this.User2, StringComparison.OrdinalIgnoreCase))
{
distinguishedName = this.AdminUserEssdn + StringNullTerminator;
}
else if (string.Equals(permissionUserName, this.User1, StringComparison.OrdinalIgnoreCase))
{
distinguishedName = this.User1Essdn + StringNullTerminator;
}
else
{
return null;
}
int pidEntryIdLength = 28 + distinguishedName.Length;
byte[] pidEntryId = new byte[pidEntryIdLength];
// Create the PidTagEntryId as PermanentEntryID described in section 2.3.8.3, [MS-OXNSPI]
int i = 0;
pidEntryId[i] = 0x00;
i++;
pidEntryId[i] = 0x00;
i++;
pidEntryId[i] = 0x00;
i++;
pidEntryId[i] = 0x00;
i++;
byte[] providerUID = new byte[16] { 0xDC, 0xA7, 0x40, 0xC8, 0xC0, 0x42, 0x10, 0x1A, 0xB4, 0xB9, 0x08, 0x00, 0x2B, 0x2F, 0xE1, 0x82 };
Array.Copy(providerUID, 0, pidEntryId, i, 16);
i += 16;
byte[] r4 = BitConverter.GetBytes(0x00000001);
Array.Copy(r4, 0, pidEntryId, i, 4);
i += 4;
byte[] displayTypeString = new byte[4] { 0, 0, 0, 0 };
Array.Copy(displayTypeString, 0, pidEntryId, i, 4);
i += 4;
byte[] distinguishedNameBytes = System.Text.ASCIIEncoding.ASCII.GetBytes(distinguishedName);
Array.Copy(distinguishedNameBytes, 0, pidEntryId, i, distinguishedName.Length);
return pidEntryId;
}
}