Ben Lindstrom | 226cfa0 | 2001-01-22 05:34:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 4 | * All rights reserved |
| 5 | * |
| 6 | * As far as I am concerned, the code I have written for this software |
| 7 | * can be used freely for any purpose. Any derived versions of this |
| 8 | * software must be clearly marked as such, and if the derived work is |
| 9 | * incompatible with the protocol description in the RFC file, it must be |
| 10 | * called by a name other than "ssh" or "Secure Shell". |
| 11 | */ |
| 12 | |
| 13 | #ifndef SSH_LOG_H |
| 14 | #define SSH_LOG_H |
| 15 | |
| 16 | /* Supported syslog facilities and levels. */ |
| 17 | typedef enum { |
| 18 | SYSLOG_FACILITY_DAEMON, |
| 19 | SYSLOG_FACILITY_USER, |
| 20 | SYSLOG_FACILITY_AUTH, |
| 21 | #ifdef LOG_AUTHPRIV |
| 22 | SYSLOG_FACILITY_AUTHPRIV, |
| 23 | #endif |
| 24 | SYSLOG_FACILITY_LOCAL0, |
| 25 | SYSLOG_FACILITY_LOCAL1, |
| 26 | SYSLOG_FACILITY_LOCAL2, |
| 27 | SYSLOG_FACILITY_LOCAL3, |
| 28 | SYSLOG_FACILITY_LOCAL4, |
| 29 | SYSLOG_FACILITY_LOCAL5, |
| 30 | SYSLOG_FACILITY_LOCAL6, |
| 31 | SYSLOG_FACILITY_LOCAL7 |
| 32 | } SyslogFacility; |
| 33 | |
| 34 | typedef enum { |
| 35 | SYSLOG_LEVEL_QUIET, |
| 36 | SYSLOG_LEVEL_FATAL, |
| 37 | SYSLOG_LEVEL_ERROR, |
| 38 | SYSLOG_LEVEL_INFO, |
| 39 | SYSLOG_LEVEL_VERBOSE, |
| 40 | SYSLOG_LEVEL_DEBUG1, |
| 41 | SYSLOG_LEVEL_DEBUG2, |
| 42 | SYSLOG_LEVEL_DEBUG3 |
| 43 | } LogLevel; |
| 44 | /* Initializes logging. */ |
| 45 | void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr); |
| 46 | |
| 47 | /* Logging implementation, depending on server or client */ |
| 48 | void do_log(LogLevel level, const char *fmt, va_list args); |
| 49 | |
| 50 | /* name to facility/level */ |
| 51 | SyslogFacility log_facility_number(char *name); |
| 52 | LogLevel log_level_number(char *name); |
| 53 | |
| 54 | /* Output a message to syslog or stderr */ |
| 55 | void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 56 | void error(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 57 | void log(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 58 | void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 59 | void debug(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 60 | void debug2(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 61 | void debug3(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| 62 | |
| 63 | /* same as fatal() but w/o logging */ |
| 64 | void fatal_cleanup(void); |
| 65 | |
| 66 | /* |
| 67 | * Registers a cleanup function to be called by fatal()/fatal_cleanup() |
| 68 | * before exiting. It is permissible to call fatal_remove_cleanup for the |
| 69 | * function itself from the function. |
| 70 | */ |
| 71 | void fatal_add_cleanup(void (*proc) (void *context), void *context); |
| 72 | |
| 73 | /* Removes a cleanup function to be called at fatal(). */ |
| 74 | void fatal_remove_cleanup(void (*proc) (void *context), void *context); |
| 75 | |
| 76 | #endif |