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freebsd/libexec/tftpd/tftp-utils.h
2022-11-17 16:42:30 +00:00

133 lines
3.6 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (C) 2008 Edwin Groothuis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
*/
#define TIMEOUT 5
#define MAX_TIMEOUTS 5
/* Generic values */
#define MAXSEGSIZE 65464 /* Maximum size of the data segment */
#define MAXPKTSIZE (MAXSEGSIZE + 4) /* Maximum size of the packet */
/* For the blksize option */
#define BLKSIZE_MIN 8 /* Minimum size of the data segment */
#define BLKSIZE_MAX MAXSEGSIZE /* Maximum size of the data segment */
/* For the timeout option */
#define TIMEOUT_MIN 0 /* Minimum timeout value */
#define TIMEOUT_MAX 255 /* Maximum timeout value */
#define MIN_TIMEOUTS 3
/* For the windowsize option */
#define WINDOWSIZE 1
#define WINDOWSIZE_MIN 1
#define WINDOWSIZE_MAX 65535
extern int timeoutpacket;
extern int timeoutnetwork;
extern int maxtimeouts;
int settimeouts(int timeoutpacket, int timeoutnetwork, int maxtimeouts);
extern uint16_t segsize;
extern uint16_t pktsize;
extern uint16_t windowsize;
extern int acting_as_client;
/*
*/
void unmappedaddr(struct sockaddr_in6 *sin6);
ssize_t get_field(int peer, char *buffer, ssize_t size);
/*
* Packet types
*/
struct packettypes {
int value;
const char *const name;
};
extern struct packettypes packettypes[];
const char *packettype(int);
/*
* RP_
*/
struct rp_errors {
int error;
const char *const desc;
};
extern struct rp_errors rp_errors[];
char *rp_strerror(int error);
/*
* Debug features
*/
#define DEBUG_NONE 0x0000
#define DEBUG_PACKETS 0x0001
#define DEBUG_SIMPLE 0x0002
#define DEBUG_OPTIONS 0x0004
#define DEBUG_ACCESS 0x0008
struct debugs {
int value;
const char *const name;
const char *const desc;
};
extern int debug;
extern struct debugs debugs[];
extern int packetdroppercentage;
int debug_find(char *s);
int debug_finds(char *s);
const char *debug_show(int d);
/*
* Log routines
*/
#define DEBUG(s) tftp_log(LOG_DEBUG, "%s", s)
extern int tftp_logtostdout;
void tftp_openlog(const char *ident, int logopt, int facility);
void tftp_closelog(void);
void tftp_log(int priority, const char *message, ...) __printflike(2, 3);
/*
* Performance figures
*/
struct tftp_stats {
size_t amount;
int rollovers;
uint32_t blocks;
int retries;
struct timeval tstart;
struct timeval tstop;
};
void stats_init(struct tftp_stats *ts);
void printstats(const char *direction, int verbose, struct tftp_stats *ts);