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Ben Lindstrom36579d32001-01-29 07:39:26 +00001/* $OpenBSD: log.h,v 1.2 2001/01/29 01:58:16 niklas Exp $ */
2
Ben Lindstrom226cfa02001-01-22 05:34:40 +00003/*
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
Damien Miller30246a82001-03-05 21:23:31 +110018#include <syslog.h> /* Needed for LOG_AUTHPRIV (if present) */
19
Ben Lindstrom226cfa02001-01-22 05:34:40 +000020/* Supported syslog facilities and levels. */
21typedef enum {
22 SYSLOG_FACILITY_DAEMON,
23 SYSLOG_FACILITY_USER,
24 SYSLOG_FACILITY_AUTH,
25#ifdef LOG_AUTHPRIV
Kevin Stevesef4eea92001-02-05 12:42:17 +000026 SYSLOG_FACILITY_AUTHPRIV,
Ben Lindstrom226cfa02001-01-22 05:34:40 +000027#endif
28 SYSLOG_FACILITY_LOCAL0,
29 SYSLOG_FACILITY_LOCAL1,
30 SYSLOG_FACILITY_LOCAL2,
31 SYSLOG_FACILITY_LOCAL3,
32 SYSLOG_FACILITY_LOCAL4,
33 SYSLOG_FACILITY_LOCAL5,
34 SYSLOG_FACILITY_LOCAL6,
35 SYSLOG_FACILITY_LOCAL7
36} SyslogFacility;
37
38typedef enum {
39 SYSLOG_LEVEL_QUIET,
40 SYSLOG_LEVEL_FATAL,
41 SYSLOG_LEVEL_ERROR,
42 SYSLOG_LEVEL_INFO,
43 SYSLOG_LEVEL_VERBOSE,
44 SYSLOG_LEVEL_DEBUG1,
45 SYSLOG_LEVEL_DEBUG2,
46 SYSLOG_LEVEL_DEBUG3
47} LogLevel;
48/* Initializes logging. */
49void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr);
50
51/* Logging implementation, depending on server or client */
52void do_log(LogLevel level, const char *fmt, va_list args);
53
54/* name to facility/level */
55SyslogFacility log_facility_number(char *name);
56LogLevel log_level_number(char *name);
57
58/* Output a message to syslog or stderr */
59void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2)));
60void error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
61void log(const char *fmt,...) __attribute__((format(printf, 1, 2)));
62void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2)));
63void debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
64void debug2(const char *fmt,...) __attribute__((format(printf, 1, 2)));
65void debug3(const char *fmt,...) __attribute__((format(printf, 1, 2)));
66
67/* same as fatal() but w/o logging */
68void fatal_cleanup(void);
69
70/*
71 * Registers a cleanup function to be called by fatal()/fatal_cleanup()
72 * before exiting. It is permissible to call fatal_remove_cleanup for the
73 * function itself from the function.
74 */
75void fatal_add_cleanup(void (*proc) (void *context), void *context);
76
77/* Removes a cleanup function to be called at fatal(). */
78void fatal_remove_cleanup(void (*proc) (void *context), void *context);
79
80#endif