1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 /* 32 * Options 33 */ 34 35 void init_options(void); 36 uint16_t make_options(int peer, char *buffer, uint16_t size); 37 int parse_options(int peer, char *buffer, uint16_t size); 38 39 /* Call back functions */ 40 int option_tsize(int peer, struct tftphdr *, int, struct stat *); 41 int option_timeout(int peer); 42 int option_blksize(int peer); 43 int option_blksize2(int peer); 44 int option_rollover(int peer); 45 int option_windowsize(int peer); 46 47 extern int options_extra_enabled; 48 extern int options_rfc_enabled; 49 50 struct options { 51 const char *o_type; 52 char *o_request; 53 char *o_reply; 54 int (*o_handler)(int peer); 55 int rfc; 56 }; 57 58 extern struct options options[]; 59 enum opt_enum { 60 OPT_TSIZE = 0, 61 OPT_TIMEOUT, 62 OPT_BLKSIZE, 63 OPT_BLKSIZE2, 64 OPT_ROLLOVER, 65 OPT_WINDOWSIZE, 66 }; 67 68 int options_set_request(enum opt_enum, const char *, ...) 69 __printf0like(2, 3); 70 int options_set_reply(enum opt_enum, const char *, ...) 71 __printf0like(2, 3); 72