II. SMB: The Server Message Block Protocol
by Christopher R. Hertel
Implementing CIFS: The Common Internet File System
- Copyright
- Praise for Implementing CIFS
- Bruce Perens’ Open Source Series
- About Prentice Hall Professional Technical Reference
- About the Cover Art
- Foreword
- Introduction: CIFS from Eight Miles High
- I. NBT: NetBIOS over TCP/IP
- 1. A Short Bio of NetBIOS
- 2. Speaking NetBIOS
- 3. The Basics of NBT Implementation
- 4. The Name Service in Detail
- 5. The Datagram Service in Detail
- 6. The Session Service in Detail
- 7. Where It All Went Wrong
- II. SMB: The Server Message Block Protocol
- 8. A Little Background on SMB
- 9. An Introductory Tour of SMB
- 10. First Contact: Reaching the Server
- 11. SMB in Its Natural Habitat
- 12. The SMB Header in Detail
- 13. Protocol Negotiation
- 14. Session Setup
- 15. Authentication
- 15.1. Anonymous and Guest Login
- 15.2. Plaintext Passwords
- 15.3. LM Challenge/Response
- 15.4. NTLM Challenge/Response
- 15.5. NTLM Version 2
- 15.6. Extended Security: That Light at the End of the Tunnel
- 15.7. Kerberos
- 15.8. Random Notes on W2K and NT Domain Authentication
- 15.9. Random Notes on Message Authentication Codes
- 15.10. Non Sequitur Time
- 15.11. Further Study
- 16. Building Your SMB Vocabulary
- 17. The Remaining Oddities
- 18. That Just about Wraps Things Up for SMB
- III. The Browse Service
- 19. A Beautiful Day in the Network Neighborhood
- 20. Meet the Neighbors
- 21. Infrastructure: The Mailslot and Named Pipe Abstractions
- 22. The Talk on the Street
- 22.1. Making Sense of SMBtrans
- 22.2. Browse Service Mailslot Messages
- 22.2.1. Announcement Request
- 22.2.2. Host Announcement
- 22.2.3. Election Request
- 22.2.4. Get Backup List Request
- 22.2.5. Get Backup List Response
- 22.2.6. Local Master Announcement
- 22.2.7. Master Announcement
- 22.2.8. Domain Announcement
- 22.2.9. Become Backup Request
- 22.2.10. The Undocumented Reset
- 22.2.11. It’s All in the Delivery
- 22.3. RAPture
- 23. The Better Browser Bureau
- 24. Samba Browse Service Enhancements
- 25. It Can’t Happen Here
- 26. At Home in the Network Neighborhood
- IV. Appendices
- A. Making a Good Cup of Tea
- B. Known NetBIOS Suffix Values
- C. The SMB URL
- D. CIFS Technical Reference
- Abstract
- Intended Usage
- Acknowledgements
- Table of Contents
- 1. Introduction
- 1.1. Summary of features
- 1.1.1. File access
- 1.1.2. File and record locking
- 1.1.3. Safe caching, read-ahead, and write-behind
- 1.1.4. File change notification
- 1.1.5. Protocol version negotiation
- 1.1.6. Extended attributes
- 1.1.7. Distributed replicated virtual volumes
- 1.1.8. Server name resolution independence
- 1.1.9. Batched requests
- 1.1.10. Obsolescence
- 1.1. Summary of features
- 2. Protocol Operation Overview
- 2.1. Server Name Determination
- 2.2. Server Name Resolution
- 2.3. Sample Message Flow
- 2.4. CIFS Protocol Dialect Negotiation
- 2.5. Message Transport
- 2.6. Opportunistic Locks
- 2.7. Security Model
- 2.8. Authentication
- 2.9. Distributed File System (DFS) Support
- 3. SMB Message Formats and Data Types
- 3.1. Notation
- 3.2. SMB header
- 3.3. Name Restrictions
- 3.4. File Names
- 3.5. Wildcards
- 3.6. DFS Pathnames
- 3.7. Time And Date Encoding
- 3.8. Access Mode Encoding
- 3.9. Access Mask Encoding
- 3.10. Open Function Encoding
- 3.11. Open Action Encoding
- 3.12. File Attribute Encoding
- 3.13. Extended File Attribute Encoding
- 3.14. Batching Requests (“AndX” Messages)
- 3.15. “Transaction” Style Subprotocols
- 3.15.1. SMB_COM_TRANSACTION2 Format
- 3.15.2. SMB_COM_NT_TRANSACTION Formats
- 3.15.3. Functional Description
- 3.15.4. SMB_COM_TRANSACTION Operations
- 3.15.4.1. Mail Slot Transaction Protocol
- 3.15.4.2. Server Announcement Mailslot Transaction
- 3.15.4.3. Named Pipe Transaction Protocol
- 3.15.4.4. CallNamedPipe
- 3.15.4.5. WaitNamedPipe
- 3.15.4.6. PeekNamedPipe
- 3.15.4.7. GetNamedPipeHandleState
- 3.15.4.8. SetNamedPipeHandleState
- 3.15.4.9. GetNamedPipeInfo
- 3.15.4.10. TransactNamedPipe
- 3.15.4.11. RawReadNamedPipe
- 3.15.4.12. RawWriteNamedPipe
- 3.16. Valid SMB Requests by Negotiated Dialect
- 4. SMB Requests
- 4.1. Session Requests
- 4.1.1. NEGOTIATE: Negotiate Protocol
- 4.1.2. SESSION_SETUP_ANDX: Session Setup
- 4.1.3. LOGOFF_ANDX: User Logoff
- 4.1.4. TREE_CONNECT_ANDX: Tree Connect
- 4.1.5. TREE_DISCONNECT: Tree Disconnect
- 4.1.6. TRANS2_QUERY_FS_INFORMATION: Get File System Information
- 4.1.7. ECHO: Ping the Server
- 4.1.8. NT_CANCEL: Cancel request
- 4.2. File Requests
- 4.2.1. NT_CREATE_ANDX: Create or Open File
- 4.2.2. NT_TRANSACT_CREATE: Create or Open File with EAs or SD
- 4.2.3. CREATE_TEMPORARY: Create Temporary File
- 4.2.4. READ_ANDX: Read Bytes
- 4.2.5. WRITE_ANDX: Write Bytes to file or resource
- 4.2.6. LOCKING_ANDX: Lock or Unlock Byte Ranges
- 4.2.7. SEEK: Seek in File
- 4.2.8. FLUSH: Flush File
- 4.2.9. CLOSE: Close File
- 4.2.10. CLOSE_AND_TREE_DISCONNECT
- 4.2.11. DELETE: Delete File
- 4.2.12. RENAME: Rename File
- 4.2.13. NT_RENAME:
- 4.2.14. MOVE: Rename File
- 4.2.15. COPY: Copy File
- 4.2.16. TRANS2_QUERY_PATH_INFORMATION: Get File Attributes Given Path
- 4.2.16.1. SMB_INFO_STANDARD & SMB_INFO_QUERY_EA_SIZE
- 4.2.16.2. SMB_INFO_QUERY_EAS_FROM_LIST & SMB_INFO_QUERY_ALL_EAS
- 4.2.16.3. SMB_INFO_IS_NAME_VALID
- 4.2.16.4. SMB_QUERY_FILE_BASIC_INFO
- 4.2.16.5. SMB_QUERY_FILE_STANDARD_INFO
- 4.2.16.6. SMB_QUERY_FILE_EA_INFO
- 4.2.16.7. SMB_QUERY_FILE_NAME_INFO
- 4.2.16.8. SMB_QUERY_FILE_ALL_INFO
- 4.2.16.9. SMB_QUERY_FILE_ALT_NAME_INFO
- 4.2.16.10. SMB_QUERY_FILE_STREAM_INFO
- 4.2.16.11. SMB_QUERY_FILE_COMPRESSION_INFO
- 4.2.16.12. SMB_QUERY_FILE_UNIX_BASIC
- 4.2.16.13. SMB_QUERY_FILE_UNIX_LINK
- 4.2.16.14. SMB_MAC_DT_GET_APPL
- 4.2.16.15. SMB_MAC_DT_GET_ICON
- 4.2.16.16. SMB_MAC_DT_GET_ICON_INFO
- 4.2.16.17. Errors
- 4.2.17. TRANS2_QUERY_FILE_INFORMATION: Get File Attributes Given FID
- 4.2.18. TRANS2_SET_PATH_INFORMATION: Set File Attributes given Path
- 4.2.18.1. SMB_INFO_STANDARD & SMB_INFO_QUERY_EA_SIZE
- 4.2.18.2. SMB_INFO_QUERY_ALL_EAS
- 4.2.18.3. SMB_SET_FILE_UNIX_BASIC
- 4.2.18.4. SMB_SET_FILE_UNIX_LINK
- 4.2.18.5. SMB_SET_FILE_UNIX_HLINK
- 4.2.18.6. SMB_MAC_SET_FINDER_INFO
- 4.2.18.7. SMB_MAC_DT_ADD_APPL
- 4.2.18.8. SMB_MAC_DT_REMOVE_APPL
- 4.2.18.9. SMB_MAC_DT_ADD_ICON
- 4.2.18.10. Errors
- 4.2.19. TRANS2_SET_FILE_INFORMATION: Set File Attributes Given FID
- 4.3. Directory Requests
- 4.3.1. TRANS2_CREATE_DIRECTORY: Create Directory (with optional EAs)
- 4.3.2. DELETE_DIRECTORY: Delete Directory
- 4.3.3. CHECK_DIRECTORY: Check Directory
- 4.3.4. TRANS2_FIND_FIRST2: Search Directory using Wildcards
- 4.3.4.1. SMB_INFO_STANDARD
- 4.3.4.2. SMB_INFO_QUERY_EA_SIZE
- 4.3.4.3. SMB_INFO_QUERY_EAS_FROM_LIST
- 4.3.4.4. SMB_FIND_FILE_DIRECTORY_INFO
- 4.3.4.5. SMB_FIND_FILE_FULL_DIRECTORY_INFO
- 4.3.4.6. SMB_FIND_FILE_BOTH_DIRECTORY_INFO
- 4.3.4.7. SMB_FIND_FILE_NAMES_INFO
- 4.3.4.8. SMB_FIND_FILE_UNIX
- 4.3.4.9. SMB_FINDBOTH_MAC_HFS_INFO
- 4.3.4.10. Errors
- 4.3.5. TRANS2_FIND_NEXT2: Resume Directory Search Using Wildcards
- 4.3.6. FIND_CLOSE2: Close Directory Search
- 4.3.7. NT_TRANSACT_NOTIFY_CHANGE: Request Change Notification
- 4.4. DFS Operations
- 4.5. Miscellaneous Operations
- 4.1. Session Requests
- 5. SMB Symbolic Constants
- 6. Error Codes and Classes
- 7. Security Considerations
- 8. References
- 9. Appendix A -- NETBIOS transport over TCP
- 10. Appendix B -- TCP transport
- 11. Appendix C – Share Level Server Security
- 12. Appendix D – CIFS UNIX Extension
- 13. Appendix E – CIFS Macintosh Extension
- 14. Appendix F – API Numbers for Transact based RAP calls
- Glossary
- References
-
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