SSLproxy/logger.h
Daniel Roethlisberger e632490888 Add exception handler to logger, exit on errors
Add exception handler mechanism to logger and use that to exit cleanly
when sslsplit fails to write to a log file or fails to open a log file.

Issue:		#113
Reported by:	Matthias Kadenbach
2016-03-25 15:56:42 +01:00

73 lines
3.2 KiB
C

/*
* SSLsplit - transparent SSL/TLS interception
* Copyright (c) 2009-2016, Daniel Roethlisberger <daniel@roe.ch>
* All rights reserved.
* http://www.roe.ch/SSLsplit
*
* 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 THE AUTHOR ``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 THE AUTHOR 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.
*/
#ifndef LOGGER_H
#define LOGGER_H
#include "logbuf.h"
#include "attrib.h"
#include <unistd.h>
#include <pthread.h>
typedef int (*logger_reopen_func_t)(void);
typedef int (*logger_open_func_t)(void *);
typedef void (*logger_close_func_t)(void *);
typedef ssize_t (*logger_write_func_t)(void *, const void *, size_t);
typedef logbuf_t * (*logger_prep_func_t)(void *, unsigned long, logbuf_t *);
typedef void (*logger_except_func_t)(void);
typedef struct logger logger_t;
logger_t * logger_new(logger_reopen_func_t, logger_open_func_t,
logger_close_func_t, logger_write_func_t,
logger_prep_func_t, logger_except_func_t)
NONNULL(4,6) MALLOC;
void logger_free(logger_t *) NONNULL(1);
int logger_start(logger_t *) NONNULL(1) WUNRES;
void logger_leave(logger_t *) NONNULL(1);
int logger_join(logger_t *) NONNULL(1);
int logger_stop(logger_t *) NONNULL(1) WUNRES;
int logger_reopen(logger_t *) NONNULL(1) WUNRES;
int logger_open(logger_t *, void *) NONNULL(1,2) WUNRES;
int logger_close(logger_t *, void *) NONNULL(1,2) WUNRES;
int logger_submit(logger_t *, void *, unsigned long,
logbuf_t *) NONNULL(1,4) WUNRES;
int logger_printf(logger_t *, void *, unsigned long,
const char *, ...) PRINTF(4,5) NONNULL(1,4) WUNRES;
int logger_print(logger_t *, void *, unsigned long,
const char *) NONNULL(1,4) WUNRES;
int logger_write(logger_t *, void *, unsigned long,
const void *, size_t) NONNULL(1,4) WUNRES;
int logger_print_freebuf(logger_t *, void *, unsigned long,
char *) NONNULL(1,4) WUNRES;
int logger_write_freebuf(logger_t *, void *, unsigned long,
void *, size_t) NONNULL(1,4) WUNRES;
#endif /* !LOGGER_H */
/* vim: set noet ft=c: */