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23c2a7a5 | 1 | /* $OpenBSD: log.h,v 1.2 2001/01/29 01:58:16 niklas Exp $ */ |
2 | ||
42f11eb2 | 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. */ | |
19 | typedef enum { | |
20 | SYSLOG_FACILITY_DAEMON, | |
21 | SYSLOG_FACILITY_USER, | |
22 | SYSLOG_FACILITY_AUTH, | |
23 | #ifdef LOG_AUTHPRIV | |
2b87da3b | 24 | SYSLOG_FACILITY_AUTHPRIV, |
42f11eb2 | 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 | } SyslogFacility; | |
35 | ||
36 | typedef enum { | |
37 | SYSLOG_LEVEL_QUIET, | |
38 | SYSLOG_LEVEL_FATAL, | |
39 | SYSLOG_LEVEL_ERROR, | |
40 | SYSLOG_LEVEL_INFO, | |
41 | SYSLOG_LEVEL_VERBOSE, | |
42 | SYSLOG_LEVEL_DEBUG1, | |
43 | SYSLOG_LEVEL_DEBUG2, | |
44 | SYSLOG_LEVEL_DEBUG3 | |
45 | } LogLevel; | |
46 | /* Initializes logging. */ | |
47 | void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr); | |
48 | ||
49 | /* Logging implementation, depending on server or client */ | |
50 | void do_log(LogLevel level, const char *fmt, va_list args); | |
51 | ||
52 | /* name to facility/level */ | |
53 | SyslogFacility log_facility_number(char *name); | |
54 | LogLevel log_level_number(char *name); | |
55 | ||
56 | /* Output a message to syslog or stderr */ | |
57 | void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
58 | void error(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
59 | void log(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
60 | void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
61 | void debug(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
62 | void debug2(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
63 | void debug3(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
64 | ||
65 | /* same as fatal() but w/o logging */ | |
66 | void fatal_cleanup(void); | |
67 | ||
68 | /* | |
69 | * Registers a cleanup function to be called by fatal()/fatal_cleanup() | |
70 | * before exiting. It is permissible to call fatal_remove_cleanup for the | |
71 | * function itself from the function. | |
72 | */ | |
73 | void fatal_add_cleanup(void (*proc) (void *context), void *context); | |
74 | ||
75 | /* Removes a cleanup function to be called at fatal(). */ | |
76 | void fatal_remove_cleanup(void (*proc) (void *context), void *context); | |
77 | ||
78 | #endif |