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 54 extern int timeoutpacket; 55 extern int timeoutnetwork; 56 extern int maxtimeouts; 57 int settimeouts(int timeoutpacket, int timeoutnetwork, int maxtimeouts); 58 59 extern uint16_t segsize; 60 extern uint16_t pktsize; 61 extern uint16_t windowsize; 62 63 extern int acting_as_client; 64 65 /* 66 */ 67 void unmappedaddr(struct sockaddr_in6 *sin6); 68 ssize_t get_field(int peer, char *buffer, ssize_t size); 69 70 /* 71 * Packet types 72 */ 73 struct packettypes { 74 int value; 75 const char *const name; 76 }; 77 extern struct packettypes packettypes[]; 78 const char *packettype(int); 79 80 /* 81 * RP_ 82 */ 83 struct rp_errors { 84 int error; 85 const char *const desc; 86 }; 87 extern struct rp_errors rp_errors[]; 88 char *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 98 struct debugs { 99 int value; 100 const char *const name; 101 const char *const desc; 102 }; 103 extern int debug; 104 extern struct debugs debugs[]; 105 extern int packetdroppercentage; 106 int debug_find(char *s); 107 int debug_finds(char *s); 108 const char *debug_show(int d); 109 110 /* 111 * Log routines 112 */ 113 #define DEBUG(s) tftp_log(LOG_DEBUG, "%s", s) 114 extern int tftp_logtostdout; 115 void tftp_openlog(const char *ident, int logopt, int facility); 116 void tftp_closelog(void); 117 void tftp_log(int priority, const char *message, ...) __printflike(2, 3); 118 119 /* 120 * Performance figures 121 */ 122 struct 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 }; 130 131 void stats_init(struct tftp_stats *ts); 132 void printstats(const char *direction, int verbose, struct tftp_stats *ts); 133