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 */ 33#define TIMEOUT 5 34#define MAX_TIMEOUTS 5 35 36/* Generic values */ 37#define MAXSEGSIZE 65464 /* Maximum size of the data segment */ 38#define MAXPKTSIZE (MAXSEGSIZE + 4) /* Maximum size of the packet */ 39 40/* For the blksize option */ 41#define BLKSIZE_MIN 8 /* Minimum size of the data segment */ 42#define BLKSIZE_MAX MAXSEGSIZE /* Maximum size of the data segment */ 43 44/* For the timeout option */ 45#define TIMEOUT_MIN 0 /* Minimum timeout value */ 46#define TIMEOUT_MAX 255 /* Maximum timeout value */ 47#define MIN_TIMEOUTS 3 48 49/* For the windowsize option */ 50#define WINDOWSIZE 1 51#define WINDOWSIZE_MIN 1 52#define WINDOWSIZE_MAX 65535 53 54extern int timeoutpacket; 55extern int timeoutnetwork; 56extern int maxtimeouts; 57int settimeouts(int timeoutpacket, int timeoutnetwork, int maxtimeouts); 58 59extern uint16_t segsize; 60extern uint16_t pktsize; 61extern uint16_t windowsize; 62 63extern int acting_as_client; 64 65/* 66 */ 67void unmappedaddr(struct sockaddr_in6 *sin6); 68ssize_t get_field(int peer, char *buffer, ssize_t size); 69 70/* 71 * Packet types 72 */ 73struct packettypes { 74 int value; 75 const char *const name; 76}; 77extern struct packettypes packettypes[]; 78const char *packettype(int); 79 80/* 81 * RP_ 82 */ 83struct rp_errors { 84 int error; 85 const char *const desc; 86}; 87extern struct rp_errors rp_errors[]; 88char *rp_strerror(int error); 89 90/* 91 * Debug features 92 */ 93#define DEBUG_NONE 0x0000 94#define DEBUG_PACKETS 0x0001 95#define DEBUG_SIMPLE 0x0002 96#define DEBUG_OPTIONS 0x0004 97#define DEBUG_ACCESS 0x0008 98struct debugs { 99 int value; 100 const char *const name; 101 const char *const desc; 102}; 103extern int debug; 104extern struct debugs debugs[]; 105extern int packetdroppercentage; 106int debug_find(char *s); 107int debug_finds(char *s); 108const char *debug_show(int d); 109 110/* 111 * Log routines 112 */ 113#define DEBUG(s) tftp_log(LOG_DEBUG, "%s", s) 114extern int tftp_logtostdout; 115void tftp_openlog(const char *ident, int logopt, int facility); 116void tftp_closelog(void); 117void tftp_log(int priority, const char *message, ...) __printflike(2, 3); 118 119/* 120 * Performance figures 121 */ 122struct tftp_stats { 123 size_t amount; 124 int rollovers; 125 uint32_t blocks; 126 int retries; 127 struct timeval tstart; 128 struct timeval tstop; 129}; 130 131void stats_init(struct tftp_stats *ts); 132void printstats(const char *direction, int verbose, struct tftp_stats *ts); 133