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 extern int timeoutpacket; 50 extern int timeoutnetwork; 51 extern int maxtimeouts; 52 int settimeouts(int timeoutpacket, int timeoutnetwork, int maxtimeouts); 53 54 extern uint16_t segsize; 55 extern uint16_t pktsize; 56 57 extern int acting_as_client; 58 59 /* 60 */ 61 void unmappedaddr(struct sockaddr_in6 *sin6); 62 ssize_t get_field(int peer, char *buffer, ssize_t size); 63 64 /* 65 * Packet types 66 */ 67 struct packettypes { 68 int value; 69 const char *const name; 70 }; 71 extern struct packettypes packettypes[]; 72 const char *packettype(int); 73 74 /* 75 * RP_ 76 */ 77 struct rp_errors { 78 int error; 79 const char *const desc; 80 }; 81 extern struct rp_errors rp_errors[]; 82 char *rp_strerror(int error); 83 84 /* 85 * Debug features 86 */ 87 #define DEBUG_NONE 0x0000 88 #define DEBUG_PACKETS 0x0001 89 #define DEBUG_SIMPLE 0x0002 90 #define DEBUG_OPTIONS 0x0004 91 #define DEBUG_ACCESS 0x0008 92 struct debugs { 93 int value; 94 const char *const name; 95 const char *const desc; 96 }; 97 extern int debug; 98 extern struct debugs debugs[]; 99 extern int packetdroppercentage; 100 int debug_find(char *s); 101 int debug_finds(char *s); 102 const char *debug_show(int d); 103 104 /* 105 * Log routines 106 */ 107 #define DEBUG(s) tftp_log(LOG_DEBUG, "%s", s) 108 extern int tftp_logtostdout; 109 void tftp_openlog(const char *ident, int logopt, int facility); 110 void tftp_closelog(void); 111 void tftp_log(int priority, const char *message, ...) __printflike(2, 3); 112 113 /* 114 * Performance figures 115 */ 116 struct tftp_stats { 117 size_t amount; 118 int rollovers; 119 uint32_t blocks; 120 int retries; 121 struct timeval tstart; 122 struct timeval tstop; 123 }; 124 125 void stats_init(struct tftp_stats *ts); 126 void printstats(const char *direction, int verbose, struct tftp_stats *ts); 127