1 /* $NetBSD: log.h,v 1.15 2019/10/12 18:32:22 christos Exp $ */ 2 /* $OpenBSD: log.h,v 1.24 2019/09/06 04:53:27 djm 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 #include <stdarg.h> /* va_list */ 20 21 /* Supported syslog facilities and levels. */ 22 typedef enum { 23 SYSLOG_FACILITY_DAEMON, 24 SYSLOG_FACILITY_USER, 25 SYSLOG_FACILITY_AUTH, 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 SYSLOG_FACILITY_NOT_SET = -1 35 } SyslogFacility; 36 37 typedef enum { 38 SYSLOG_LEVEL_QUIET, 39 SYSLOG_LEVEL_FATAL, 40 SYSLOG_LEVEL_ERROR, 41 SYSLOG_LEVEL_INFO, 42 SYSLOG_LEVEL_VERBOSE, 43 SYSLOG_LEVEL_DEBUG1, 44 SYSLOG_LEVEL_DEBUG2, 45 SYSLOG_LEVEL_DEBUG3, 46 SYSLOG_LEVEL_NOT_SET = -1 47 } LogLevel; 48 49 typedef void (log_handler_fn)(LogLevel, const char *, void *); 50 51 void log_init(const char *, LogLevel, SyslogFacility, int); 52 LogLevel log_level_get(void); 53 int log_change_level(LogLevel); 54 int log_is_on_stderr(void); 55 void log_redirect_stderr_to(const char *); 56 57 SyslogFacility log_facility_number(char *); 58 const char * log_facility_name(SyslogFacility); 59 LogLevel log_level_number(char *); 60 const char * log_level_name(LogLevel); 61 62 void fatal(const char *, ...) __attribute__((noreturn)) 63 __attribute__((format(printf, 1, 2))); 64 void error(const char *, ...) __attribute__((format(printf, 1, 2))); 65 void sigdie(const char *, ...) __attribute__((noreturn)) 66 __attribute__((format(printf, 1, 2))); 67 void logdie(const char *, ...) __attribute__((noreturn)) 68 __attribute__((format(printf, 1, 2))); 69 void logit(const char *, ...) __attribute__((format(printf, 1, 2))); 70 void verbose(const char *, ...) __attribute__((format(printf, 1, 2))); 71 void debug(const char *, ...) __attribute__((format(printf, 1, 2))); 72 void debug2(const char *, ...) __attribute__((format(printf, 1, 2))); 73 void debug3(const char *, ...) __attribute__((format(printf, 1, 2))); 74 75 76 void set_log_handler(log_handler_fn *, void *); 77 void do_log2(LogLevel, const char *, ...) 78 __attribute__((format(printf, 2, 3))); 79 void do_log(LogLevel, const char *, va_list) 80 __attribute__((format(printf, 2, 0))); 81 void cleanup_exit(int) __attribute__((noreturn)); 82 #endif 83