1 /* $NetBSD: syslog.h,v 1.32 2008/10/31 16:12:18 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)syslog.h 8.1 (Berkeley) 6/2/93 32 */ 33 34 #ifndef _SYS_SYSLOG_H_ 35 #define _SYS_SYSLOG_H_ 36 37 #define _PATH_LOG "/var/run/log" 38 39 /* 40 * priorities/facilities are encoded into a single 32-bit quantity, where the 41 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility 42 * (0-big number). Both the priorities and the facilities map roughly 43 * one-to-one to strings in the syslogd(8) source code. This mapping is 44 * included in this file. 45 * 46 * priorities (these are ordered) 47 */ 48 #define LOG_EMERG 0 /* system is unusable */ 49 #define LOG_ALERT 1 /* action must be taken immediately */ 50 #define LOG_CRIT 2 /* critical conditions */ 51 #define LOG_ERR 3 /* error conditions */ 52 #define LOG_WARNING 4 /* warning conditions */ 53 #define LOG_NOTICE 5 /* normal but significant condition */ 54 #define LOG_INFO 6 /* informational */ 55 #define LOG_DEBUG 7 /* debug-level messages */ 56 57 #define LOG_PRIMASK 0x07 /* mask to extract priority part (internal) */ 58 /* extract priority */ 59 #define LOG_PRI(p) ((p) & LOG_PRIMASK) 60 #define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri)) 61 62 #ifdef SYSLOG_NAMES 63 #define INTERNAL_NOPRI 0x10 /* the "no priority" priority */ 64 /* mark "facility" */ 65 #define INTERNAL_MARK LOG_MAKEPRI(LOG_NFACILITIES, 0) 66 typedef struct _code { 67 char *c_name; 68 int c_val; 69 } CODE; 70 71 CODE prioritynames[] = { 72 { "alert", LOG_ALERT }, 73 { "crit", LOG_CRIT }, 74 { "debug", LOG_DEBUG }, 75 { "emerg", LOG_EMERG }, 76 { "err", LOG_ERR }, 77 { "error", LOG_ERR }, /* DEPRECATED */ 78 { "info", LOG_INFO }, 79 { "none", INTERNAL_NOPRI }, /* INTERNAL */ 80 { "notice", LOG_NOTICE }, 81 { "panic", LOG_EMERG }, /* DEPRECATED */ 82 { "warn", LOG_WARNING }, /* DEPRECATED */ 83 { "warning", LOG_WARNING }, 84 { NULL, -1 } 85 }; 86 #endif 87 88 /* facility codes */ 89 #define LOG_KERN (0<<3) /* kernel messages */ 90 #define LOG_USER (1<<3) /* random user-level messages */ 91 #define LOG_MAIL (2<<3) /* mail system */ 92 #define LOG_DAEMON (3<<3) /* system daemons */ 93 #define LOG_AUTH (4<<3) /* security/authorization messages */ 94 #define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */ 95 #define LOG_LPR (6<<3) /* line printer subsystem */ 96 #define LOG_NEWS (7<<3) /* network news subsystem */ 97 #define LOG_UUCP (8<<3) /* UUCP subsystem */ 98 #define LOG_CRON (9<<3) /* clock daemon */ 99 #define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */ 100 #define LOG_FTP (11<<3) /* ftp daemon */ 101 102 /* other codes through 15 reserved for system use */ 103 #define LOG_LOCAL0 (16<<3) /* reserved for local use */ 104 #define LOG_LOCAL1 (17<<3) /* reserved for local use */ 105 #define LOG_LOCAL2 (18<<3) /* reserved for local use */ 106 #define LOG_LOCAL3 (19<<3) /* reserved for local use */ 107 #define LOG_LOCAL4 (20<<3) /* reserved for local use */ 108 #define LOG_LOCAL5 (21<<3) /* reserved for local use */ 109 #define LOG_LOCAL6 (22<<3) /* reserved for local use */ 110 #define LOG_LOCAL7 (23<<3) /* reserved for local use */ 111 112 #define LOG_NFACILITIES 24 /* current number of facilities */ 113 #define LOG_FACMASK 0x03f8 /* mask to extract facility part */ 114 /* facility of pri */ 115 #define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3) 116 117 #ifdef SYSLOG_NAMES 118 CODE facilitynames[] = { 119 { "auth", LOG_AUTH }, 120 { "authpriv", LOG_AUTHPRIV }, 121 { "cron", LOG_CRON }, 122 { "daemon", LOG_DAEMON }, 123 { "ftp", LOG_FTP }, 124 { "kern", LOG_KERN }, 125 { "lpr", LOG_LPR }, 126 { "mail", LOG_MAIL }, 127 { "mark", INTERNAL_MARK }, /* INTERNAL */ 128 { "news", LOG_NEWS }, 129 { "security", LOG_AUTH }, /* DEPRECATED */ 130 { "syslog", LOG_SYSLOG }, 131 { "user", LOG_USER }, 132 { "uucp", LOG_UUCP }, 133 { "local0", LOG_LOCAL0 }, 134 { "local1", LOG_LOCAL1 }, 135 { "local2", LOG_LOCAL2 }, 136 { "local3", LOG_LOCAL3 }, 137 { "local4", LOG_LOCAL4 }, 138 { "local5", LOG_LOCAL5 }, 139 { "local6", LOG_LOCAL6 }, 140 { "local7", LOG_LOCAL7 }, 141 { NULL, -1 } 142 }; 143 #endif 144 145 #ifdef _KERNEL 146 #define LOG_PRINTF -1 /* pseudo-priority to indicate use of printf */ 147 #endif 148 149 /* 150 * arguments to setlogmask. 151 */ 152 #define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */ 153 #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */ 154 155 /* 156 * Option flags for openlog. 157 * 158 * LOG_ODELAY no longer does anything. 159 * LOG_NDELAY is the inverse of what it used to be. 160 */ 161 #define LOG_PID 0x01 /* log the pid with each message */ 162 #define LOG_CONS 0x02 /* log on the console if errors in sending */ 163 #define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */ 164 #define LOG_NDELAY 0x08 /* don't delay open */ 165 #define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */ 166 #define LOG_PERROR 0x20 /* log to stderr as well */ 167 168 #ifndef _KERNEL 169 170 /* Used by reentrant functions */ 171 172 struct syslog_data { 173 int log_file; 174 int connected; 175 int opened; 176 int log_stat; 177 const char *log_tag; 178 int log_fac; 179 int log_mask; 180 }; 181 182 #define SYSLOG_DATA_INIT { \ 183 .log_file = -1, \ 184 .log_fac = LOG_USER, \ 185 .log_mask = 0xff, \ 186 } 187 188 /* 189 * Don't use va_list in the vsyslog() prototype. Va_list is typedef'd in two 190 * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one 191 * of them here we may collide with the utility's includes. It's unreasonable 192 * for utilities to have to include one of them to include syslog.h, so we get 193 * _BSD_VA_LIST_ from <machine/ansi.h> and use it. 194 */ 195 #include <machine/ansi.h> 196 #include <sys/cdefs.h> 197 #include <sys/featuretest.h> 198 199 __BEGIN_DECLS 200 void closelog(void); 201 void openlog(const char *, int, int); 202 int setlogmask(int); 203 void syslog(int, const char *, ...) 204 __attribute__((__format__(__printf__,2,3))); 205 #if defined(_NETBSD_SOURCE) 206 void vsyslog(int, const char *, _BSD_VA_LIST_) 207 __attribute__((__format__(__printf__,2,0))); 208 void closelog_r(struct syslog_data *); 209 void openlog_r(const char *, int, int, struct syslog_data *); 210 int setlogmask_r(int, struct syslog_data *); 211 void syslog_r(int, struct syslog_data *, const char *, ...) 212 __attribute__((__format__(__printf__,3,4))); 213 void vsyslog_r(int, struct syslog_data *, const char *, _BSD_VA_LIST_) 214 __attribute__((__format__(__printf__,3,0))); 215 void syslogp(int, const char *, const char *, const char *, ...) 216 __attribute__((__format__(__printf__,4,5))); 217 void vsyslogp(int, const char *, const char *, const char *, _BSD_VA_LIST_) 218 __attribute__((__format__(__printf__,4,0))); 219 void syslogp_r(int, struct syslog_data *, const char *, const char *, 220 const char *, ...) 221 __attribute__((__format__(__printf__,5,6))); 222 void vsyslogp_r(int, struct syslog_data *, const char *, const char *, 223 const char *, _BSD_VA_LIST_) 224 __attribute__((__format__(__printf__,5,0))); 225 #endif 226 __END_DECLS 227 228 #else /* !_KERNEL */ 229 230 void logpri(int); 231 void log(int, const char *, ...) 232 __attribute__((__format__(__printf__,2,3))); 233 void vlog(int, const char *, _BSD_VA_LIST_) 234 __attribute__((__format__(__printf__,2,0))); 235 void addlog(const char *, ...) 236 __attribute__((__format__(__printf__,1,2))); 237 void logwakeup(void); 238 239 #endif /* !_KERNEL */ 240 241 #endif /* !_SYS_SYSLOG_H_ */ 242