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Adam Langleyd0592972015-03-30 14:49:51 -07001/* $OpenBSD: log.h,v 1.20 2013/04/07 02:10:33 dtucker Exp $ */
Greg Hartmanbd77cf72015-02-25 13:21:06 -08002
3/*
4 * Author: Tatu Ylonen <ylo@cs.hut.fi>
5 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6 * All rights reserved
7 *
8 * As far as I am concerned, the code I have written for this software
9 * can be used freely for any purpose. Any derived versions of this
10 * software must be clearly marked as such, and if the derived work is
11 * incompatible with the protocol description in the RFC file, it must be
12 * called by a name other than "ssh" or "Secure Shell".
13 */
14
15#ifndef SSH_LOG_H
16#define SSH_LOG_H
17
18/* Supported syslog facilities and levels. */
19typedef enum {
20 SYSLOG_FACILITY_DAEMON,
21 SYSLOG_FACILITY_USER,
22 SYSLOG_FACILITY_AUTH,
23#ifdef LOG_AUTHPRIV
24 SYSLOG_FACILITY_AUTHPRIV,
25#endif
26 SYSLOG_FACILITY_LOCAL0,
27 SYSLOG_FACILITY_LOCAL1,
28 SYSLOG_FACILITY_LOCAL2,
29 SYSLOG_FACILITY_LOCAL3,
30 SYSLOG_FACILITY_LOCAL4,
31 SYSLOG_FACILITY_LOCAL5,
32 SYSLOG_FACILITY_LOCAL6,
33 SYSLOG_FACILITY_LOCAL7,
34 SYSLOG_FACILITY_NOT_SET = -1
35} SyslogFacility;
36
37typedef enum {
38 SYSLOG_LEVEL_QUIET,
39 SYSLOG_LEVEL_FATAL,
40 SYSLOG_LEVEL_ERROR,
41 SYSLOG_LEVEL_INFO,
42 SYSLOG_LEVEL_VERBOSE,
43 SYSLOG_LEVEL_DEBUG1,
44 SYSLOG_LEVEL_DEBUG2,
45 SYSLOG_LEVEL_DEBUG3,
46 SYSLOG_LEVEL_NOT_SET = -1
47} LogLevel;
48
49typedef void (log_handler_fn)(LogLevel, const char *, void *);
50
51void log_init(char *, LogLevel, SyslogFacility, int);
Adam Langleyd0592972015-03-30 14:49:51 -070052void log_change_level(LogLevel);
53int log_is_on_stderr(void);
54void log_redirect_stderr_to(const char *);
Greg Hartmanbd77cf72015-02-25 13:21:06 -080055
56SyslogFacility log_facility_number(char *);
57const char * log_facility_name(SyslogFacility);
58LogLevel log_level_number(char *);
59const char * log_level_name(LogLevel);
60
61void fatal(const char *, ...) __attribute__((noreturn))
62 __attribute__((format(printf, 1, 2)));
63void error(const char *, ...) __attribute__((format(printf, 1, 2)));
64void sigdie(const char *, ...) __attribute__((noreturn))
65 __attribute__((format(printf, 1, 2)));
66void logit(const char *, ...) __attribute__((format(printf, 1, 2)));
67void verbose(const char *, ...) __attribute__((format(printf, 1, 2)));
68void debug(const char *, ...) __attribute__((format(printf, 1, 2)));
69void debug2(const char *, ...) __attribute__((format(printf, 1, 2)));
70void debug3(const char *, ...) __attribute__((format(printf, 1, 2)));
71
72
73void set_log_handler(log_handler_fn *, void *);
74void do_log2(LogLevel, const char *, ...)
75 __attribute__((format(printf, 2, 3)));
76void do_log(LogLevel, const char *, va_list);
77void cleanup_exit(int) __attribute__((noreturn));
78#endif