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752250caab
log functions receive function, filename and line number of caller. We can use this to selectively enable logging via pattern-lists. ok markus@ OpenBSD-Commit-ID: 51a472610cbe37834ce6ce4a3f0e0b1ccc95a349
105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/* $OpenBSD: log.h,v 1.25 2020/10/16 13:24:45 djm Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#ifndef SSH_LOG_H
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#define SSH_LOG_H
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#include <stdarg.h> /* va_list */
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/* Supported syslog facilities and levels. */
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typedef enum {
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SYSLOG_FACILITY_DAEMON,
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SYSLOG_FACILITY_USER,
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SYSLOG_FACILITY_AUTH,
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#ifdef LOG_AUTHPRIV
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SYSLOG_FACILITY_AUTHPRIV,
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#endif
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SYSLOG_FACILITY_LOCAL0,
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SYSLOG_FACILITY_LOCAL1,
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SYSLOG_FACILITY_LOCAL2,
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SYSLOG_FACILITY_LOCAL3,
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SYSLOG_FACILITY_LOCAL4,
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SYSLOG_FACILITY_LOCAL5,
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SYSLOG_FACILITY_LOCAL6,
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SYSLOG_FACILITY_LOCAL7,
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SYSLOG_FACILITY_NOT_SET = -1
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} SyslogFacility;
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typedef enum {
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SYSLOG_LEVEL_QUIET,
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SYSLOG_LEVEL_FATAL,
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SYSLOG_LEVEL_ERROR,
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SYSLOG_LEVEL_INFO,
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SYSLOG_LEVEL_VERBOSE,
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SYSLOG_LEVEL_DEBUG1,
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SYSLOG_LEVEL_DEBUG2,
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SYSLOG_LEVEL_DEBUG3,
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SYSLOG_LEVEL_NOT_SET = -1
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} LogLevel;
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typedef void (log_handler_fn)(const char *, const char *, int, LogLevel,
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const char *, void *);
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void log_init(char *, LogLevel, SyslogFacility, int);
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LogLevel log_level_get(void);
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int log_change_level(LogLevel);
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int log_is_on_stderr(void);
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void log_redirect_stderr_to(const char *);
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void log_verbose_add(const char *);
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void log_verbose_reset(void);
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SyslogFacility log_facility_number(char *);
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const char * log_facility_name(SyslogFacility);
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LogLevel log_level_number(char *);
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const char * log_level_name(LogLevel);
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void set_log_handler(log_handler_fn *, void *);
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void cleanup_exit(int) __attribute__((noreturn));
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void sshlog(const char *, const char *, int, int,
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LogLevel, const char *, ...) __attribute__((format(printf, 6, 7)));
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void sshlogv(const char *, const char *, int, int,
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LogLevel, const char *, va_list);
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void sshsigdie(const char *, const char *, int, const char *, ...)
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__attribute__((noreturn)) __attribute__((format(printf, 4, 5)));
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void sshlogdie(const char *, const char *, int, const char *, ...)
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__attribute__((noreturn)) __attribute__((format(printf, 4, 5)));
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void sshfatal(const char *, const char *, int, const char *, ...)
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__attribute__((noreturn)) __attribute__((format(printf, 4, 5)));
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#define ssh_nlog(level, ...) sshlog(__FILE__, __func__, __LINE__, 0, level, __VA_ARGS__)
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#define ssh_debug3(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG3, __VA_ARGS__)
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#define ssh_debug2(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG2, __VA_ARGS__)
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#define ssh_debug(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG1, __VA_ARGS__)
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#define ssh_verbose(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_VERBOSE, __VA_ARGS__)
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#define ssh_log(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_INFO, __VA_ARGS__)
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#define ssh_error(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_ERROR, __VA_ARGS__)
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#define ssh_fatal(...) sshfatal(__FILE__, __func__, __LINE__, __VA_ARGS__)
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#define ssh_logdie(...) sshlogdie(__FILE__, __func__, __LINE__, __VA_ARGS__)
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#define ssh_sigdie(...) sshsigdie(__FILE__, __func__, __LINE__, __VA_ARGS__)
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#define debug ssh_debug
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#define debug1 ssh_debug1
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#define debug2 ssh_debug2
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#define debug3 ssh_debug3
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#define error ssh_error
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#define logit ssh_log
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#define verbose ssh_verbose
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#define fatal ssh_fatal
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#define logdie ssh_logdie
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#define sigdie ssh_sigdie
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#define do_log2 ssh_nlog
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#endif
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