projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a4f80d4c | 1 | /* tftp.h 4.2 83/06/11 */ |
| 1e82972c SL |
2 | |
| 3 | /* | |
| 4 | * Trivial File Transfer Protocol (IEN-133) | |
| 5 | */ | |
| 6 | #define SEGSIZE 512 /* data segment size */ | |
| 1e82972c SL |
7 | |
| 8 | /* | |
| 9 | * Packet types. | |
| 10 | */ | |
| 11 | #define RRQ 01 /* read request */ | |
| 12 | #define WRQ 02 /* write request */ | |
| 13 | #define DATA 03 /* data packet */ | |
| 14 | #define ACK 04 /* acknowledgement */ | |
| 15 | #define ERROR 05 /* error code */ | |
| 16 | ||
| 17 | struct tftphdr { | |
| 18 | short th_opcode; /* packet type */ | |
| 19 | union { | |
| 20 | short tu_block; /* block # */ | |
| 21 | short tu_code; /* error code */ | |
| 22 | char tu_stuff[1]; /* request packet stuff */ | |
| 23 | } th_u; | |
| 24 | char th_data[1]; /* data or error string */ | |
| 25 | }; | |
| 26 | ||
| 27 | #define th_block th_u.tu_block | |
| 28 | #define th_code th_u.tu_code | |
| 29 | #define th_stuff th_u.tu_stuff | |
| 30 | #define th_msg th_data | |
| 31 | ||
| 32 | /* | |
| 33 | * Error codes. | |
| 34 | */ | |
| 35 | #define EUNDEF 0 /* not defined */ | |
| 36 | #define ENOTFOUND 1 /* file not found */ | |
| 37 | #define EACCESS 2 /* access violation */ | |
| 38 | #define ENOSPACE 3 /* disk full or allocation exceeded */ | |
| 39 | #define EBADOP 4 /* illegal TFTP operation */ | |
| 40 | #define EBADID 5 /* unknown transfer ID */ | |
| 41 | #define EEXISTS 6 /* file already exists */ | |
| 42 | #define ENOUSER 7 /* no such user */ |