1 /* $NetBSD: log.h,v 1.14 2018/08/26 07:46:36 christos Exp $ */ 2 /* $OpenBSD: log.h,v 1.23 2018/07/27 12:03:17 markus Exp $ */ 3 4 /* 5 * Author: Tatu Ylonen <ylo@cs.hut.fi> 6 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 7 * All rights reserved 8 * 9 * As far as I am concerned, the code I have written for this software 10 * can be used freely for any purpose. Any derived versions of this 11 * software must be clearly marked as such, and if the derived work is 12 * incompatible with the protocol description in the RFC file, it must be 13 * called by a name other than "ssh" or "Secure Shell". 14 */ 15 16 #ifndef SSH_LOG_H 17 #define SSH_LOG_H 18 19 /* Supported syslog facilities and levels. */ 20 typedef enum { 21 SYSLOG_FACILITY_DAEMON, 22 SYSLOG_FACILITY_USER, 23 SYSLOG_FACILITY_AUTH, 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 SYSLOG_FACILITY_NOT_SET = -1 33 } SyslogFacility; 34 35 typedef enum { 36 SYSLOG_LEVEL_QUIET, 37 SYSLOG_LEVEL_FATAL, 38 SYSLOG_LEVEL_ERROR, 39 SYSLOG_LEVEL_INFO, 40 SYSLOG_LEVEL_VERBOSE, 41 SYSLOG_LEVEL_DEBUG1, 42 SYSLOG_LEVEL_DEBUG2, 43 SYSLOG_LEVEL_DEBUG3, 44 SYSLOG_LEVEL_NOT_SET = -1 45 } LogLevel; 46 47 typedef void (log_handler_fn)(LogLevel, const char *, void *); 48 49 void log_init(const char *, LogLevel, SyslogFacility, int); 50 LogLevel log_level_get(void); 51 int log_change_level(LogLevel); 52 int log_is_on_stderr(void); 53 void log_redirect_stderr_to(const char *); 54 55 SyslogFacility log_facility_number(char *); 56 const char * log_facility_name(SyslogFacility); 57 LogLevel log_level_number(char *); 58 const char * log_level_name(LogLevel); 59 60 void fatal(const char *, ...) __attribute__((noreturn)) 61 __attribute__((format(printf, 1, 2))); 62 void error(const char *, ...) __attribute__((format(printf, 1, 2))); 63 void sigdie(const char *, ...) __attribute__((noreturn)) 64 __attribute__((format(printf, 1, 2))); 65 void logdie(const char *, ...) __attribute__((noreturn)) 66 __attribute__((format(printf, 1, 2))); 67 void logit(const char *, ...) __attribute__((format(printf, 1, 2))); 68 void verbose(const char *, ...) __attribute__((format(printf, 1, 2))); 69 void debug(const char *, ...) __attribute__((format(printf, 1, 2))); 70 void debug2(const char *, ...) __attribute__((format(printf, 1, 2))); 71 void debug3(const char *, ...) __attribute__((format(printf, 1, 2))); 72 73 74 void set_log_handler(log_handler_fn *, void *); 75 void do_log2(LogLevel, const char *, ...) 76 __attribute__((format(printf, 2, 3))); 77 void do_log(LogLevel, const char *, va_list) 78 __attribute__((format(printf, 2, 0))); 79 void cleanup_exit(int) __attribute__((noreturn)); 80 #endif 81