import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
public class AdvancedBindDemo2 {
public static void main(String[] args) throws NamingException {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, "ldap://localhost:10389");
env.put(Context.SECURITY_AUTHENTICATION, "simple");
String uid = "user1";//supplying userid manually
String password = "secret";
DirContext ctx = null;
try {
// Step 1: Bind anonymously
ctx = new InitialDirContext(env);
// Step 2: Search the directory
String base = "ou=users,ou=system";//base
String filter = "(objectClass=*)";
SearchControls ctls = new SearchControls();
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
ctls.setReturningAttributes(new String[0]);
ctls.setReturningObjFlag(true);
NamingEnumeration enm = ctx.search(base, filter, new String[] { uid }, ctls);
String dn = null;
if (enm.hasMore()) {
SearchResult result = (SearchResult) enm.next();
dn = result.getNameInNamespace();
System.out.println("dn: "+dn);
}
if (dn == null || enm.hasMore()) {
// uid not found or not unique
throw new NamingException("Authentication failed");
}
// Step 3: Bind with found DN and given password
ctx.addToEnvironment(Context.SECURITY_PRINCIPAL, dn);
ctx.addToEnvironment(Context.SECURITY_CREDENTIALS, password);
// Perform a lookup in order to force a bind operation with JNDI
ctx.lookup(dn);
System.out.println("Authentication successful");
} catch (NamingException e) {
System.out.println(e.getMessage());
} finally {
ctx.close();
}
}
}
上述程序将对用户进行身份验证,并为用户显示dn。在这里我在eclipse中使用Apache ds。从上面的程序我试图得到dn:对于user1谁的基础是ou=users,ou=system
但我没有得到dn:for user1。
答案 0 :(得分:1)
假设user1的DN是“uid = user1,ou = users,ou = system”,那么您的过滤器应该更改为“(uid = user1)”。 另请注意,您请求的属性应该是错误的 - new String [] {“uid”}