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/* $OpenBSD: log.h,v 1.2 2001/01/29 01:58:16 niklas 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 <syslog.h> /* Needed for LOG_AUTHPRIV (if present) */
/* 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
} 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
} LogLevel;
/* Initializes logging. */
void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr);
/* Logging implementation, depending on server or client */
void do_log(LogLevel level, const char *fmt, va_list args);
/* name to facility/level */
SyslogFacility log_facility_number(char *name);
LogLevel log_level_number(char *name);
/* Output a message to syslog or stderr */
void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void log(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void debug2(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void debug3(const char *fmt,...) __attribute__((format(printf, 1, 2)));
/* same as fatal() but w/o logging */
void fatal_cleanup(void);
/*
* Registers a cleanup function to be called by fatal()/fatal_cleanup()
* before exiting. It is permissible to call fatal_remove_cleanup for the
* function itself from the function.
*/
void fatal_add_cleanup(void (*proc) (void *context), void *context);
/* Removes a cleanup function to be called at fatal(). */
void fatal_remove_cleanup(void (*proc) (void *context), void *context);
#endif
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