NFILE - a file access protocol
RFC 1037
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(December 1987; No errata)
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Network Working Group B. Greenberg
Request for Comments: 1037 S. Keene
December 1987
NFILE - A File Access Protocol
STATUS OF THIS MEMO
This document includes a specification of the NFILE file access
protocol and its underlying levels of protocol, the Token List
Transport Layer and Byte Stream with Mark. The goal of this
specification is to promote discussion of the ideas described here,
and to encourage designers of future file protocols to take advantage
of these ideas. A secondary goal is to make the specification
available to sites that might benefit from implementing NFILE. The
distribution of this document is unlimited.
TABLE OF CONTENTS
Page
1. INTRODUCTION 3
2. NFILE PROTOCOL LAYERING 4
3. OVERVIEW OF AN NFILE SESSION 5
4. NFILE CONTROL AND DATA CONNECTIONS 6
5. NFILE FILE OPENING MODES 7
6. NFILE CHARACTER SET 9
7. CONVENTIONS USED IN THIS DOCUMENT 10
7.1 Mapping Data Types Into Token List Representation 10
7.2 Format of NFILE Commands and Responses 10
7.3 Data Channel Handles and Direct File Identifiers 13
7.4 Syntax of File and Directory Pathname Arguments 13
7.5 Format of NFILE File Property/Value Pairs 14
8. NFILE COMMANDS 16
8.1 ABORT Command 16
8.2 CHANGE-PROPERTIES Command 16
8.3 CLOSE Command 17
8.4 COMPLETE Command 19
8.5 CONTINUE Command 20
Greenberg & Keene [Page 1]
RFC 1037 NFILE - A File Access Protocol December 1987
8.6 CREATE-DIRECTORY Command 21
8.7 CREATE-LINK Command 21
8.8 DATA-CONNECTION Command 22
8.9 DELETE Command 23
8.10 DIRECT-OUTPUT Command 23
8.11 DIRECTORY Command 24
8.11.1 NFILE DIRECTORY Data Format 26
8.12 DISABLE-CAPABILITIES Command 27
8.13 ENABLE-CAPABILITIES Command 28
8.14 EXPUNGE Command 28
8.15 FILEPOS Command 29
8.15.1 Implementation Hint for FILEPOS Command 30
8.16 FINISH Command 30
8.17 HOME-DIRECTORY Command 31
8.18 LOGIN Command 32
8.19 MULTIPLE-FILE-PLISTS Command 34
8.20 OPEN Command 35
8.20.1 NFILE OPEN Optional Keyword/Value Pairs 39
8.20.2 NFILE OPEN Response Return Values 45
8.21 PROPERTIES Command 47
8.22 READ Command 49
8.23 RENAME Command 50
8.24 RESYNCHRONIZE-DATA-CHANNEL Command 51
8.24.1 Implementation Hints for RESYNCHRONIZE-DATA- 51
CHANNEL Command
8.25 UNDATA-CONNECTION Command 52
9. NFILE RESYNCHRONIZATION PROCEDURE 53
9.1 NFILE Control Connection Resynchronization 54
9.2 NFILE Data Connection Resynchronization 55
10. NFILE ERRORS AND NOTIFICATIONS 58
10.1 Notifications From the NFILE Server 58
10.2 NFILE Command Response Errors 59
10.3 NFILE Asynchronous Errors 60
10.4 NFILE Three-letter Error Codes 61
11. TOKEN LIST TRANSPORT LAYER 65
11.1 Introduction to the Token List Transport Layer 65
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