tftp.h 2.9KB

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  1. /*
  2. * Copyright (c) 1983, 1993
  3. * The Regents of the University of California. All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. All advertising materials mentioning features or use of this software
  14. * must display the following acknowledgement:
  15. * This product includes software developed by the University of
  16. * California, Berkeley and its contributors.
  17. * 4. Neither the name of the University nor the names of its contributors
  18. * may be used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. *
  33. * @(#)tftp.h 8.1 (Berkeley) 6/2/93
  34. */
  35. #ifndef _ARPA_TFTP_H
  36. #define _ARPA_TFTP_H 1
  37. /*
  38. * Trivial File Transfer Protocol (IEN-133)
  39. */
  40. #define SEGSIZE 512 /* data segment size */
  41. /*
  42. * Packet types.
  43. */
  44. #define RRQ 01 /* read request */
  45. #define WRQ 02 /* write request */
  46. #define DATA 03 /* data packet */
  47. #define ACK 04 /* acknowledgement */
  48. #define ERROR 05 /* error code */
  49. struct tftphdr {
  50. short th_opcode; /* packet type */
  51. union {
  52. unsigned short tu_block; /* block # */
  53. short tu_code; /* error code */
  54. char tu_stuff[1]; /* request packet stuff */
  55. } th_u;
  56. char th_data[1]; /* data or error string */
  57. };
  58. #define th_block th_u.tu_block
  59. #define th_code th_u.tu_code
  60. #define th_stuff th_u.tu_stuff
  61. #define th_msg th_data
  62. /*
  63. * Error codes.
  64. */
  65. #define EUNDEF 0 /* not defined */
  66. #define ENOTFOUND 1 /* file not found */
  67. #define EACCESS 2 /* access violation */
  68. #define ENOSPACE 3 /* disk full or allocation exceeded */
  69. #define EBADOP 4 /* illegal TFTP operation */
  70. #define EBADID 5 /* unknown transfer ID */
  71. #define EEXISTS 6 /* file already exists */
  72. #define ENOUSER 7 /* no such user */
  73. #endif /* arpa/tftp.h */