1 /* $OpenBSD: log.h,v 1.2 2001/01/29 01:58:16 niklas Exp $ */ 2 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 SYSLOG_FACILITY_LOCAL0, 24 SYSLOG_FACILITY_LOCAL1, 25 SYSLOG_FACILITY_LOCAL2, 26 SYSLOG_FACILITY_LOCAL3, 27 SYSLOG_FACILITY_LOCAL4, 28 SYSLOG_FACILITY_LOCAL5, 29 SYSLOG_FACILITY_LOCAL6, 30 SYSLOG_FACILITY_LOCAL7 31 } SyslogFacility; 32 33 typedef enum { 34 SYSLOG_LEVEL_QUIET, 35 SYSLOG_LEVEL_FATAL, 36 SYSLOG_LEVEL_ERROR, 37 SYSLOG_LEVEL_INFO, 38 SYSLOG_LEVEL_VERBOSE, 39 SYSLOG_LEVEL_DEBUG1, 40 SYSLOG_LEVEL_DEBUG2, 41 SYSLOG_LEVEL_DEBUG3 42 } LogLevel; 43 /* Initializes logging. */ 44 void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr); 45 46 /* Logging implementation, depending on server or client */ 47 void do_log(LogLevel level, const char *fmt, va_list args); 48 49 /* name to facility/level */ 50 SyslogFacility log_facility_number(char *name); 51 LogLevel log_level_number(char *name); 52 53 /* Output a message to syslog or stderr */ 54 void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2))); 55 void error(const char *fmt,...) __attribute__((format(printf, 1, 2))); 56 void log(const char *fmt,...) __attribute__((format(printf, 1, 2))); 57 void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2))); 58 void debug(const char *fmt,...) __attribute__((format(printf, 1, 2))); 59 void debug2(const char *fmt,...) __attribute__((format(printf, 1, 2))); 60 void debug3(const char *fmt,...) __attribute__((format(printf, 1, 2))); 61 62 /* same as fatal() but w/o logging */ 63 void fatal_cleanup(void); 64 65 /* 66 * Registers a cleanup function to be called by fatal()/fatal_cleanup() 67 * before exiting. It is permissible to call fatal_remove_cleanup for the 68 * function itself from the function. 69 */ 70 void fatal_add_cleanup(void (*proc) (void *context), void *context); 71 72 /* Removes a cleanup function to be called at fatal(). */ 73 void fatal_remove_cleanup(void (*proc) (void *context), void *context); 74 75 #endif 76