1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (C) 2008 Edwin Groothuis. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Options 30 */ 31 32 void init_options(void); 33 uint16_t make_options(int peer, char *buffer, uint16_t size); 34 int parse_options(int peer, char *buffer, uint16_t size); 35 36 /* Call back functions */ 37 int option_tsize(int peer, struct tftphdr *, int, struct stat *); 38 int option_timeout(int peer); 39 int option_blksize(int peer); 40 int option_blksize2(int peer); 41 int option_rollover(int peer); 42 int option_windowsize(int peer); 43 44 extern int options_extra_enabled; 45 extern int options_rfc_enabled; 46 47 struct options { 48 const char *o_type; 49 char *o_request; 50 char *o_reply; 51 int (*o_handler)(int peer); 52 int rfc; 53 }; 54 55 extern struct options options[]; 56 enum opt_enum { 57 OPT_TSIZE = 0, 58 OPT_TIMEOUT, 59 OPT_BLKSIZE, 60 OPT_BLKSIZE2, 61 OPT_ROLLOVER, 62 OPT_WINDOWSIZE, 63 }; 64 65 int options_set_request(enum opt_enum, const char *, ...) 66 __printf0like(2, 3); 67 int options_set_reply(enum opt_enum, const char *, ...) 68 __printf0like(2, 3); 69