The .NET Developer's Guide to Directory Services Programming

, by Kaplan, Joe; Dunn, Ryan

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ISBN: 9780321350176 | 0321350170
Cover: Paperback
Copyright: 5/8/2006

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Summary

Author Biography

Supplemental Materials

The first book on programming to directory services using .NET, one of the least-understood aspects of .NET application development.

Listings

Tables

xix

Foreword

xxi

Preface

xxiii

Acknowledgments

xxix

About the Authors

xxxi

PART I Fundamentals

(344)

Introduction to LDAP and Active Directory

(24)

A Brief History of Directory Services

(1)

Definition of LDAP

(1)

Definition of Active Directory

(2)

Domain

(1)

Domain Tree

(1)

Forest

(1)

Domain Controller

(1)

Global Catalog

(1)

Definition of ADAM

(4)

Comparing ADAM with Active Directory

(3)

LDAP Basics

(16)

LDAP Distinguished Names

(3)

Naming Contexts

Schema Basics

(7)

LDAP Protocol and API Basics

(5)

LDAP Controls

(2)

Introduction to .NET Directory Services Programming

(26)

.NET Directory Services Programming Landscape

(2)

Native Directory Services Programming Landscape

(3)

Native LDAP

(1)

The Net* APIs

(1)

The Ds* Active Directory APIs

(1)

Active Directory Service Interfaces (ADSI)

(2)

System.DirectoryServices Overview

(8)

Class Overview

(3)

ADSI Providers

(1)

Other Useful ADSI Interfaces

(3)

System.DirectoryServices.ActiveDirectory Overview

(3)

Class Overview

(3)

System.DirectoryServices.Protocols Overview

(6)

Overall Design

(1)

How Is it Organized?

(4)

Selecting the Right Technology

(4)

The Argument against Using activeds.dll Directly via COM Interop

(3)

Binding and CRUD Operations with DirectoryEntry

(56)

Property and Method Overview

(8)

Constructors

(1)

Properties

(4)

Methods

(4)

Binding to the Directory

(36)

Binding Syntax

(2)

ADSI Path Anatomy

(15)

Providing Credentials

(2)

Username Syntaxes in Active Directory and ADAM

(2)

Username Syntaxes in ADAM

(1)

AuthenticationTypes Explained

(8)

Binding to RootDSE

(3)

ADSI Connection Caching Explained

(3)

Directory CRUD Operations

(11)

Reading Attributes of Directory Objects

(1)

Modifying Attributes of Directory Objects

100

(1)

Creating Directory Objects

100

(2)

Deleting Directory Objects

102

(3)

Moving and Renaming Directory Objects

105

(4)

Searching with the DirectorySearcher

109

(40)

LDAP Searching Overview

109

(2)

LDAP Searches in ADSI

110

(1)

LDAP Searches in System.DirectoryServices

110

(1)

DirectorySearcher Overview

111

(4)

DirectorySearcher Properties

111

(2)

Methods

113

(1)

Related Classes

114

(1)

The Basics of Searching

115

(3)

Deciding Where to Search

115

(2)

Controlling Depth of Search with SearchScope

117

(1)

Building LDAP Filters

118

(18)

Basic Syntax

119

(1)

Filter Types

120

(3)

Reserved Characters in Values

123

(1)

Specifying Comparison Values in Search Filters

124

(9)

Bitwise Operations

133

(2)

Ambiguous Name Resolution

135

(1)

Controlling the Content of Search Results

136

(3)

Specifying Attribute Data to Be Returned

137

(1)

Limiting the Number of Results to Return with the SizeLimit Property

138

(1)

Executing the Query and Enumerating Results

139

(4)

Finding a Single Object with FindOne

139

(2)

Getting Multiple Results with FindAll

141

(1)

Enumerating the Results

142

(1)

Returning Many Results with Paged Searches

143

(3)

Enabling Paging

144

(1)

Choosing an Appropriate Page Size

145

(1)

Using the ServerPageTimeLimit

145

(1)

Caching Result Sets

146

(1)

Sorting Search Results

146

(3)

Advanced LDAP Searches

149

(44)

Administrative Limits Governing Active Directory and ADAM

150

(2)

Understanding Searching Timeouts

152

(2)

Precedence of Timeouts

152

(1)

Nonpaged Searches

153

(1)

Paged Searches

154

(1)

Optimizing Search Performance

154

(4)

Choosing the Right Search Root

155

(1)

Choosing the Right Scope

155

(1)

Creating Efficient Queries

156

(2)

Turn Caching Off When Possible

158

(1)

Searching the Global Catalog

158

(3)

Important Considerations for Using the Global Catalog

159

(1)

Binding Syntax for the Global Catalog

159

(2)

Chasing Referrals

161

(1)

Virtual List View Searches

162

(7)

Offset versus Target Searches

163

(1)

Using the DirectoryVirtualListView Class

164

(2)

Searching by Offset

166

(1)

Searching by String

167

(2)

Searching for Deleted Objects

169

(2)

Reasons to Search for Deleted Objects

171

(1)

Directory Synchronization Queries

171

(7)

Limitations on Search Root and Scope

172

(1)

Permissions

172

(1)

Filter

173

(1)

Attributes

173

(1)

DirSync Samples

174

(4)

Using Attribute Scope Query

178

(3)

Extended DN Queries

181

(2)

Reading Security Descriptors with Security Masks

183

(2)

Asynchronous Searches

185

(8)

Creating an Asynchronous Search

186

(7)

Reading and Writing LDAP Attributes

193

(54)

Basics of Reading Attribute Values

193

(2)

The Basic Design

194

(1)

Key Differences between the Value Collections

195

(1)

Collection Class Usage

195

(4)

Getting Single Values

195

(1)

Checking for Null Values

196

(2)

Checking for Multiple Values

198

(1)

Using the Value Property

198

(1)

Understanding the ADSI Property Cache

199

(1)

Flushing Changes Back to the Directory

200

(1)

LDAP Data Types in .NET

200

(6)

ADSI Schema Mapping Mechanism

206

(7)

Schema Caching

208

(5)

.NET Attribute Value Conversion

213

(1)

Data-Type Conversion with the DirectoryEntry Family

213

(1)

Data-Type Conversion with the DirectorySearcher Family

213

(1)

Why the Big Deal?

214

(1)

Standard Data Types

214

(1)

Binary Data Conversion

215

(1)

COM Interop Data Types

216

(13)

Approaches for COM Interop

217

(1)

LargeInteger Values

217

(5)

DN-With-Binary

222

(3)

Reading Security Descriptors

225

(4)

Syntactic versus Semantic Conversion

229

(1)

Dealing with Attributes with Many Values

230

(4)

How to Use Range Retrieval in SDS

231

(3)

Basics of Writing Attribute Values

234

(7)

Setting Initial Values

235

(1)

Clearing an Attribute

236

(1)

Replacing an Existing Attribute Value

237

(1)

Adding and Removing Values from Multivalued Attributes

237

(1)

Attribute Modification Summary

237

(4)

Writing COM Interop Types

241

(6)

Writing LargeInteger Values

241

(1)

Writing DN-With-Binary

242

(1)

Writing Security Descriptors

243

(4)

Active Directory and ADAM Schema

247

(26)

Schema Extension Best Practices

247

(4)

Read All of Microsoft's Documentation Carefully

248

(1)

248

(1)

Manage OID Namespaces Thoughtfully

249

(1)

Practice on ADAM Instances

250

(1)

Set the schemalDGUID Attribute

250

(1)

Use Company-Specific Prefixes on IdapDisplayNames

251

(1)

Choosing an Object Class

251

(2)

Choosing Attribute Syntaxes

253

(3)

String Data

253

(1)

Date/Time Values

254

(1)

Numeric Data

255

(1)

Binary Data

255

(1)

Boolean Data

255

(1)

Object Identifiers

255

(1)

Foreign Keys

255

(1)

Other Data Types

256

(1)

Modeling One-to-Many and Many-to-Many Relationships

256

(5)

Link Value Pairs

257

(1)

DN Syntax Attribute Best Practices

258

(3)

Search Flags and Indexing

261

(3)

searchFlags

261

(2)

systemFlags

263

(1)

Techniques for Extending the Schema

264

(2)

Discovering Schema Information at Runtime

266

(7)

Using Constructed Attributes

269

(2)

Reading Schema Objects Directly

271

(2)

Security in Directory Services Programming

273

(52)

Binding and Delegation

274

(26)

Types of Binds

274

(2)

Performing a Secure Bind

276

(2)

Windows Security Contexts

278

(3)

Single Hops, Double Hops, and Delegation

281

(4)

Discovering Remote Security Information at Runtime

285

(2)

Guidance for Using SDS with ASP.NET

287

(9)

Serverless Binding and ASP.NET

296

(1)

Binding with ADAM

296

(2)

Binding and Other Directories

298

(1)

Securing the Simple Bind

298

(1)

Client Certificate Authentication

299

(1)

Binding Features Not Supported by SDS/ADSI

299

(1)

Directory Object Permissions in Active Directory and ADAM

300

(15)

.NET 2.0 Object Security Model

300

(2)

Reading Security Descriptors

302

(2)

Changing Security Descriptors

304

(6)

.NET 1.x Interop Model

310

(5)

Code Access Security

315

(10)

CAS Encounters of the First Kind

316

(1)

The Relevance to SDS

316

(1)

SDS in Partial Trust Scenarios in .NET 2.0

317

(2)

The Problem

319

(1)

Configuring DirectoryServicesPermission for Use with Partial Trust

320

(1)

Partial Trust in .NET 1.x

321

(4)

Introduction to the ActiveDirectory Namespace

325

(20)

Working with the DirectoryContext Class

326

(6)

General Usage

326

(2)

Examples of Using DirectoryContext

328

(4)

Locating Domain Controllers

332

(7)

How the Domain Controller Locator Works

332

(1)

Using the Locator Service

333

(1)

Enumerating All Domain Controllers

334

(1)

Advanced Locator Features

334

(2)

DsGetDcName under the Hood

336

(2)

Applications for Locating Domain Controllers

338

(1)

Understanding the Active Directory RPC APIs

339

(1)

Useful Shortcuts for Developers

339

(6)

Active Directory Shortcuts

341

(1)

ADAM Shortcuts

342

(3)

PART II Practical Applications

345

(88)

User Management

347

(50)

Finding Users

347

(4)

Finding Users in ADAM

349

(2)

Creating Users

351

(2)

Managing User Account Features

353

(23)

Managing Basic User Account Properties in Active Directory

353

(4)

Managing Basic User Account Properties in ADAM

357

(3)

Determining Domain-Wide Account Policies

360

(2)

Determining Password Expiration

362

(8)

Determining Last Logon

370

(3)

Determining Account Lockout

373

(3)

Managing Passwords for Active Directory Users

376

(10)

Password Management Complications

377

(1)

Understanding Password Policy and Security

377

(1)

Understanding the Underlying ADSI Methods

378

(3)

Error Handling with the Invoke Method in .NET

381

(1)

Recommendations for Successful Password Modification Operations

382

(1)

Why Can't We Do LDAP Password Modifications Directly in SDS?

383

(1)

SDS.P to the Rescue

383

(3)

Managing Passwords for ADAM Users

386

(3)

Programming Differences When Setting ADAM Passwords

387

(2)

Determining User Group Membership in Active Directory and ADAM

389

(8)

Retrieving the User's Token Groups

390

(1)

Technique #1: Using an LDAP Search

391

(2)

Technique #2: Using DsCrackNames

393

(1)

Technique #3: Using the Sidldentifier and IdentityReference Classes

394

(1)

Retrieving tokenGroups from ADAM

395

(2)

Group Management

397

(20)

Creating Groups in Active Directory and ADAM

397

(3)

Manipulating Group Membership

400

(3)

Expanding Group Membership

403

(6)

Using .NET Version 2.0

404

(3)

Using .NET Version 1.1

407

(2)

Primary Group Membership

409

(4)

Foreign Security Principals

413

(4)

Authentication

417

(16)

Authentication Using SDS

418

(6)

Active Directory Authentication

420

(2)

ADAM Authentication

422

(2)

Authentication Using SDS.P

424

(4)

Authentication Using SSPI

428

(3)

Discovering the Cause of Authentication Failures

431

(2)

PART III Appendixes

433

(22)

A. Three Approaches to COM Interop with ADSI

435

(8)

The Standard Method

435

(1)

Advantages

436

(1)

Disadvantages

436

(1)

The Reflection Method

437

(2)

Advantages

439

(1)

Disadvantages

439

(1)

Handcrafted COM Interop Declarations

439

(1)

Advantages

440

(1)

Disadvantages

440

(3)

B. LDAP Tools for Programmers

443

(6)

LDP

443

(2)

ADSI Edit

445

(1)

Active Directory Users and Computers

445

(1)

LDIFDE

446

(1)

ADFind/ADMod

447

(1)

BeaverTail LDAP Browser

447

(1)

Softerra LDAP Browser

448

(1)

C. Troubleshooting and Help

449

(6)

Error 0x8007203A: ``The server is not operational.''

449

(1)

Error 0x8007052E: ``Login Failure: unknown user name or bad password.''

450

(1)

Error 0x80072020: ``An operations error occurred.''

450

(1)

Error 0x80072030: ``There is no such object on the server.''

451

(1)

Error 0x8007202F: ``A constraint violation occurred.''

451

(1)

Error 0x80072035: ``The server is unwilling to process the request.''

452

(1)

Error 0x80070005: ``General access denied error.''

452

(1)

InvalidOperationException from DirectorySearcher

452

(1)

Getting Help

453

(2)

Index

455

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The .NET Developer's Guide to Directory Services Programming

Summary

Author Biography

Table of Contents

Supplemental Materials