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126 lines
6.4 KiB
C
126 lines
6.4 KiB
C
/* $OpenBSD: log.h,v 1.34 2024/06/27 22:36:44 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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#include "ssherr.h" /* ssh_err() */
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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)(LogLevel, int, const char *, void *);
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void log_init(const 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 *, const char *, ...)
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__attribute__((format(printf, 7, 8)));
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void sshlogv(const char *, const char *, int, int,
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LogLevel, const char *, const char *, va_list);
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void sshlogdie(const char *, const char *, int, int,
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LogLevel, const char *, const char *, ...) __attribute__((noreturn))
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__attribute__((format(printf, 7, 8)));
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void sshfatal(const char *, const char *, int, int,
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LogLevel, const char *, const char *, ...) __attribute__((noreturn))
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__attribute__((format(printf, 7, 8)));
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void sshlogdirect(LogLevel, int, const char *, ...)
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__attribute__((format(printf, 3, 4)));
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#define do_log2(level, ...) sshlog(__FILE__, __func__, __LINE__, 0, level, NULL, __VA_ARGS__)
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#define debug3(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG3, NULL, __VA_ARGS__)
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#define debug2(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG2, NULL, __VA_ARGS__)
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#define debug(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG1, NULL, __VA_ARGS__)
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#define verbose(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_VERBOSE, NULL, __VA_ARGS__)
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#define logit(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_INFO, NULL, __VA_ARGS__)
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#define error(...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_ERROR, NULL, __VA_ARGS__)
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#define fatal(...) sshfatal(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_FATAL, NULL, __VA_ARGS__)
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#define logdie(...) sshlogdie(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_ERROR, NULL, __VA_ARGS__)
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/* Variants that prepend the caller's function */
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#define do_log2_f(level, ...) sshlog(__FILE__, __func__, __LINE__, 1, level, NULL, __VA_ARGS__)
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#define debug3_f(...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_DEBUG3, NULL, __VA_ARGS__)
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#define debug2_f(...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_DEBUG2, NULL, __VA_ARGS__)
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#define debug_f(...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_DEBUG1, NULL, __VA_ARGS__)
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#define verbose_f(...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_VERBOSE, NULL, __VA_ARGS__)
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#define logit_f(...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_INFO, NULL, __VA_ARGS__)
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#define error_f(...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_ERROR, NULL, __VA_ARGS__)
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#define fatal_f(...) sshfatal(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_FATAL, NULL, __VA_ARGS__)
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#define logdie_f(...) sshlogdie(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_ERROR, NULL, __VA_ARGS__)
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/* Variants that appends a ssh_err message */
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#define do_log2_r(r, level, ...) sshlog(__FILE__, __func__, __LINE__, 0, level, ssh_err(r), __VA_ARGS__)
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#define debug3_r(r, ...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG3, ssh_err(r), __VA_ARGS__)
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#define debug2_r(r, ...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG2, ssh_err(r), __VA_ARGS__)
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#define debug_r(r, ...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_DEBUG1, ssh_err(r), __VA_ARGS__)
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#define verbose_r(r, ...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_VERBOSE, ssh_err(r), __VA_ARGS__)
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#define logit_r(r, ...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_INFO, ssh_err(r), __VA_ARGS__)
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#define error_r(r, ...) sshlog(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_ERROR, ssh_err(r), __VA_ARGS__)
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#define fatal_r(r, ...) sshfatal(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_FATAL, ssh_err(r), __VA_ARGS__)
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#define logdie_r(r, ...) sshlogdie(__FILE__, __func__, __LINE__, 0, SYSLOG_LEVEL_ERROR, ssh_err(r), __VA_ARGS__)
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#define do_log2_fr(r, level, ...) sshlog(__FILE__, __func__, __LINE__, 1, level, ssh_err(r), __VA_ARGS__)
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#define debug3_fr(r, ...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_DEBUG3, ssh_err(r), __VA_ARGS__)
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#define debug2_fr(r, ...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_DEBUG2, ssh_err(r), __VA_ARGS__)
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#define debug_fr(r, ...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_DEBUG1, ssh_err(r), __VA_ARGS__)
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#define verbose_fr(r, ...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_VERBOSE, ssh_err(r), __VA_ARGS__)
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#define logit_fr(r, ...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_INFO, ssh_err(r), __VA_ARGS__)
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#define error_fr(r, ...) sshlog(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_ERROR, ssh_err(r), __VA_ARGS__)
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#define fatal_fr(r, ...) sshfatal(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_FATAL, ssh_err(r), __VA_ARGS__)
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#define logdie_fr(r, ...) sshlogdie(__FILE__, __func__, __LINE__, 1, SYSLOG_LEVEL_ERROR, ssh_err(r), __VA_ARGS__)
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#endif
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