public LdapValue[] GetAttributeValues(IntPtr ldapEntry, string attrName, DirectoryContext dirContext)
{
if (dirContext == null ||
String.IsNullOrEmpty(attrName))
{
return(null);
}
if (dirContext.SchemaCache == null)
{
return(GetNonBervals(ldapEntry, attrName));
}
LDAPSchemaCache schema = dirContext.SchemaCache;
SchemaType foundType = schema.GetSchemaTypeByDisplayName(attrName);
// if cannot find type in schemaCache, get byte[] first
//(sometimes schemaCache doesn't contain objectGUID,...type information)
if (foundType == null)
{
if (String.Equals(attrName, "objectGUID", StringComparison.InvariantCultureIgnoreCase) ||
String.Equals(attrName, "objectSid", StringComparison.InvariantCultureIgnoreCase) ||
String.Equals(attrName, "nTsecurityDescriptor", StringComparison.InvariantCultureIgnoreCase))
{
return(ReformatBervalsInHex(ldapEntry, attrName));
}
else
{
return(GetNonBervals(ldapEntry, attrName));
}
}
ADSType adstype = foundType.DataType;
if (adstype == ADSType.ADSTYPE_OCTET_STRING ||
adstype == ADSType.ADSTYPE_NT_SECURITY_DESCRIPTOR)
{
return(ReformatBervalsInHex(ldapEntry, attrName));
}
else if (adstype == ADSType.ADSTYPE_INTEGER ||
adstype == ADSType.ADSTYPE_LARGE_INTEGER)
{
LdapValue[] values = GetBervals(ldapEntry, attrName);
if (values == null || values.Length == 0)
{
return(values);
}
foreach (LdapValue value in values)
{
string replace = value.stringData.Replace("-", "");
char[] intValuechrs = new char[replace.Length / 2];
for (int i = 0; i < replace.Length / 2; i++)
{
intValuechrs[i] = replace[i * 2 + 1];
}
for (int i = 0; i < intValuechrs.Length; i++)
{
if (intValuechrs[i] < '0' || intValuechrs[i] > '9')
{
intValuechrs[i] = '-';
}
}
value.stringData = new string(intValuechrs);
value.stringData.Replace("-", "");
if (adstype == ADSType.ADSTYPE_INTEGER)
{
value.intData = Convert.ToInt32(value.stringData);
value.AdsType = ADSType.ADSTYPE_INTEGER;
}
else if (adstype == ADSType.ADSTYPE_LARGE_INTEGER)
{
value.longData = Convert.ToInt64(value.stringData);
value.AdsType = ADSType.ADSTYPE_LARGE_INTEGER;
}
}
}
return(GetNonBervals(ldapEntry, attrName));
}
public static LDAPSchemaCache Build(DirectoryContext ldapContext)
{
DateTime BuildTimer = DateTime.Now;
LDAPSchemaCache result = null;
List <LdapEntry> ldapEntries = new List <LdapEntry>();
Dictionary <string, LdapEntry> ldapEntriesDic = new Dictionary <string, LdapEntry>();
string[] search_attrs = { null };
DateTime timer = Logger.StartTimer();
Logger.Log(
"Started building schema cache",
Logger.ldapLogLevel);
int ret = ldapContext.ListChildEntriesSynchronous(
string.Concat("cn=Schema,", ldapContext.ConfigurationNamingContext),
LdapAPI.LDAPSCOPE.SUB_TREE,
"(objectClass=*)",
search_attrs,
false,
out ldapEntries);
if (ldapEntries != null && ldapEntries.Count > 0)
{
Logger.TimerMsg(ref timer,
String.Format(
"schema cache: {0} entries read from LDAP",
ldapEntries.Count));
result = new LDAPSchemaCache();
result.rootDN = ldapContext.RootDN;
int entryIndex = 0;
foreach (LdapEntry entry in ldapEntries)
{
LdapValue[] attrName = entry.GetAttributeValues("lDAPDisplayName", ldapContext);
if (attrName != null)
{
ldapEntriesDic.Add(attrName[0].stringData, entry);
}
}
foreach (LdapEntry ldapNextEntry in ldapEntries)
{
AttributeMap attrmap = new AttributeMap();
string dn = ldapNextEntry.GetDN();
Logger.Log(String.Format(
"LDAPSchemaCache.Build: ldapEntry[{0}]: DN = " + dn,
entryIndex++),
Logger.ldapLogLevel);
//Getting 'objectClasss' value instead 'subClassOf' attribute
//becuase 'subClassOf' attribute is not giving the all mandatory attribute for the selected object.
LdapValue[] objectClasses = ldapNextEntry.GetAttributeValues("objectClass", ldapContext);
foreach (LdapValue Oclass in objectClasses)
{
if (ldapEntriesDic.ContainsKey(Oclass.stringData))
{
attrmap.ObjectClasses.Add(Oclass.stringData, ldapEntriesDic[Oclass.stringData]);
}
}
attrmap.ldapContext = ldapContext;
attrmap.Tag = ldapNextEntry;
string[] attrs = ldapNextEntry.GetAttributeNames();
foreach (string attr in attrs)
{
LdapValue[] values = ldapNextEntry.GetAttributeValues(attr, ldapContext);
attrmap.Add(attr, values);
}
result.AddSchemaType(attrmap);
}
Logger.TimerMsg(ref timer,
String.Format(
"LDAPSchemaCache.Build({0})-- finished building the schemaCache",
ldapContext.RootDN));
result.reportSchemaCache(Logger.ldapLogLevel);
}
return(result);
}
