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 */ 30#define TIMEOUT 5 31#define MAX_TIMEOUTS 5 32 33/* Generic values */ 34#define MAXSEGSIZE 65464 /* Maximum size of the data segment */ 35#define MAXPKTSIZE (MAXSEGSIZE + 4) /* Maximum size of the packet */ 36 37/* For the blksize option */ 38#define BLKSIZE_MIN 8 /* Minimum size of the data segment */ 39#define BLKSIZE_MAX MAXSEGSIZE /* Maximum size of the data segment */ 40 41/* For the timeout option */ 42#define TIMEOUT_MIN 0 /* Minimum timeout value */ 43#define TIMEOUT_MAX 255 /* Maximum timeout value */ 44#define MIN_TIMEOUTS 3 45 46/* For the windowsize option */ 47#define WINDOWSIZE 1 48#define WINDOWSIZE_MIN 1 49#define WINDOWSIZE_MAX 65535 50 51extern int timeoutpacket; 52extern int timeoutnetwork; 53extern int maxtimeouts; 54int settimeouts(int timeoutpacket, int timeoutnetwork, int maxtimeouts); 55 56extern uint16_t segsize; 57extern uint16_t pktsize; 58extern uint16_t windowsize; 59 60extern int acting_as_client; 61 62/* 63 */ 64void unmappedaddr(struct sockaddr_in6 *sin6); 65size_t get_field(int peer, char *buffer, size_t size); 66 67/* 68 * Packet types 69 */ 70struct packettypes { 71 int value; 72 const char *const name; 73}; 74extern struct packettypes packettypes[]; 75const char *packettype(int); 76 77/* 78 * RP_ 79 */ 80struct rp_errors { 81 int error; 82 const char *const desc; 83}; 84extern struct rp_errors rp_errors[]; 85char *rp_strerror(int error); 86 87/* 88 * Debug features 89 */ 90#define DEBUG_NONE 0x0000 91#define DEBUG_PACKETS 0x0001 92#define DEBUG_SIMPLE 0x0002 93#define DEBUG_OPTIONS 0x0004 94#define DEBUG_ACCESS 0x0008 95struct debugs { 96 int value; 97 const char *const name; 98 const char *const desc; 99}; 100extern int debug; 101extern struct debugs debugs[]; 102extern unsigned int packetdroppercentage; 103int debug_find(char *s); 104int debug_finds(char *s); 105const char *debug_show(int d); 106 107/* 108 * Log routines 109 */ 110#define DEBUG(s) tftp_log(LOG_DEBUG, "%s", s) 111extern int tftp_logtostdout; 112void tftp_openlog(const char *ident, int logopt, int facility); 113void tftp_closelog(void); 114void tftp_log(int priority, const char *message, ...) __printflike(2, 3); 115 116/* 117 * Performance figures 118 */ 119struct tftp_stats { 120 size_t amount; 121 int rollovers; 122 uint32_t blocks; 123 int retries; 124 struct timeval tstart; 125 struct timeval tstop; 126}; 127 128void stats_init(struct tftp_stats *ts); 129void printstats(const char *direction, int verbose, struct tftp_stats *ts); 130