1 /* $OpenBSD: log.h,v 1.23 2018/07/27 12:03:17 markus 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 SYSLOG_FACILITY_NOT_SET = -1 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 SYSLOG_LEVEL_NOT_SET = -1 44 } LogLevel; 45 46 typedef void (log_handler_fn)(LogLevel, const char *, void *); 47 48 void log_init(char *, LogLevel, SyslogFacility, int); 49 LogLevel log_level_get(void); 50 int log_change_level(LogLevel); 51 int log_is_on_stderr(void); 52 void log_redirect_stderr_to(const char *); 53 54 SyslogFacility log_facility_number(char *); 55 const char * log_facility_name(SyslogFacility); 56 LogLevel log_level_number(char *); 57 const char * log_level_name(LogLevel); 58 59 void fatal(const char *, ...) __attribute__((noreturn)) 60 __attribute__((format(printf, 1, 2))); 61 void error(const char *, ...) __attribute__((format(printf, 1, 2))); 62 void sigdie(const char *, ...) __attribute__((noreturn)) 63 __attribute__((format(printf, 1, 2))); 64 void logdie(const char *, ...) __attribute__((noreturn)) 65 __attribute__((format(printf, 1, 2))); 66 void logit(const char *, ...) __attribute__((format(printf, 1, 2))); 67 void verbose(const char *, ...) __attribute__((format(printf, 1, 2))); 68 void debug(const char *, ...) __attribute__((format(printf, 1, 2))); 69 void debug2(const char *, ...) __attribute__((format(printf, 1, 2))); 70 void debug3(const char *, ...) __attribute__((format(printf, 1, 2))); 71 72 73 void set_log_handler(log_handler_fn *, void *); 74 void do_log2(LogLevel, const char *, ...) 75 __attribute__((format(printf, 2, 3))); 76 void do_log(LogLevel, const char *, va_list); 77 void cleanup_exit(int) __attribute__((noreturn)); 78 #endif 79