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/* $OpenBSD: log.h,v 1.25 2020/10/16 13:24:45 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
#ifndef SSH_LOG_H
#define SSH_LOG_H
#include <stdarg.h> /* va_list */
/* Supported syslog facilities and levels. */
typedef enum {
SYSLOG_FACILITY_DAEMON,
SYSLOG_FACILITY_USER,
SYSLOG_FACILITY_AUTH,
#ifdef LOG_AUTHPRIV
SYSLOG_FACILITY_AUTHPRIV,
#endif
SYSLOG_FACILITY_LOCAL0,
SYSLOG_FACILITY_LOCAL1,
SYSLOG_FACILITY_LOCAL2,
SYSLOG_FACILITY_LOCAL3,
SYSLOG_FACILITY_LOCAL4,
SYSLOG_FACILITY_LOCAL5,
SYSLOG_FACILITY_LOCAL6,
SYSLOG_FACILITY_LOCAL7,
SYSLOG_FACILITY_NOT_SET = -1
} SyslogFacility;
typedef enum {
SYSLOG_LEVEL_QUIET,
SYSLOG_LEVEL_FATAL,
SYSLOG_LEVEL_ERROR,
SYSLOG_LEVEL_INFO,
SYSLOG_LEVEL_VERBOSE,
SYSLOG_LEVEL_DEBUG1,
SYSLOG_LEVEL_DEBUG2,
SYSLOG_LEVEL_DEBUG3,
SYSLOG_LEVEL_NOT_SET = -1
} LogLevel;
typedef void (log_handler_fn)(const char *, const char *, int, LogLevel,
const char *, void *);
void log_init(char *, LogLevel, SyslogFacility, int);
LogLevel log_level_get(void);
int log_change_level(LogLevel);
int log_is_on_stderr(void);
void log_redirect_stderr_to(const char *);
void log_verbose_add(const char *);
void log_verbose_reset(void);
SyslogFacility log_facility_number(char *);
const char * log_facility_name(SyslogFacility);
LogLevel log_level_number(char *);
const char * log_level_name(LogLevel);
void set_log_handler(log_handler_fn *, void *);
void cleanup_exit(int) __attribute__((noreturn));
void sshlog(const char *, const char *, int, int,
LogLevel, const char *, ...) __attribute__((format(printf, 6, 7)));
void sshlogv(const char *, const char *, int, int,
LogLevel, const char *, va_list);
void sshsigdie(const char *, const char *, int, const char *, ...)
__attribute__((noreturn)) __attribute__((format(printf, 4, 5)));
void sshlogdie(const char *, const char *, int, const char *, ...)
__attribute__((noreturn)) __attribute__((format(printf, 4, 5)));
void sshfatal(const char *, const char *, int, const char *, ...)
__attribute__((noreturn)) __attribute__((format(printf, 4, 5)));
#define ssh_nlog(level, ...) sshlog(__FILE__, __func__, __LINE__, 0, level, __VA_ARGS__)
#define ssh_debug3(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG3, __VA_ARGS__)
#define ssh_debug2(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG2, __VA_ARGS__)
#define ssh_debug(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG1, __VA_ARGS__)
#define ssh_verbose(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_VERBOSE, __VA_ARGS__)
#define ssh_log(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_INFO, __VA_ARGS__)
#define ssh_error(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_ERROR, __VA_ARGS__)
#define ssh_fatal(...) sshfatal(__FILE__, __func__, __LINE__, __VA_ARGS__)
#define ssh_logdie(...) sshlogdie(__FILE__, __func__, __LINE__, __VA_ARGS__)
#define ssh_sigdie(...) sshsigdie(__FILE__, __func__, __LINE__, __VA_ARGS__)
#define debug ssh_debug
#define debug1 ssh_debug1
#define debug2 ssh_debug2
#define debug3 ssh_debug3
#define error ssh_error
#define logit ssh_log
#define verbose ssh_verbose
#define fatal ssh_fatal
#define logdie ssh_logdie
#define sigdie ssh_sigdie
#define do_log2 ssh_nlog
#endif
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