1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 * $FreeBSD$ 33 */ 34 35 #ifndef _SYS_SYSLOG_H_ 36 #define _SYS_SYSLOG_H_ 37 38 #define _PATH_LOG "/var/run/log" 39 #define _PATH_LOG_PRIV "/var/run/logpriv" 40 #define _PATH_OLDLOG "/dev/log" /* backward compatibility */ 41 42 /* 43 * priorities/facilities are encoded into a single 32-bit quantity, where the 44 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility 45 * (0-big number). Both the priorities and the facilities map roughly 46 * one-to-one to strings in the syslogd(8) source code. This mapping is 47 * included in this file. 48 * 49 * priorities (these are ordered) 50 */ 51 #define LOG_EMERG 0 /* system is unusable */ 52 #define LOG_ALERT 1 /* action must be taken immediately */ 53 #define LOG_CRIT 2 /* critical conditions */ 54 #define LOG_ERR 3 /* error conditions */ 55 #define LOG_WARNING 4 /* warning conditions */ 56 #define LOG_NOTICE 5 /* normal but significant condition */ 57 #define LOG_INFO 6 /* informational */ 58 #define LOG_DEBUG 7 /* debug-level messages */ 59 60 #define LOG_PRIMASK 0x07 /* mask to extract priority part (internal) */ 61 /* extract priority */ 62 #define LOG_PRI(p) ((p) & LOG_PRIMASK) 63 #define LOG_MAKEPRI(fac, pri) ((fac) | (pri)) 64 65 #ifdef SYSLOG_NAMES 66 #define INTERNAL_NOPRI 0x10 /* the "no priority" priority */ 67 /* mark "facility" */ 68 #define INTERNAL_MARK LOG_MAKEPRI((LOG_NFACILITIES<<3), 0) 69 typedef struct _code { 70 const char *c_name; 71 int c_val; 72 } CODE; 73 74 static const CODE prioritynames[] = { 75 { "alert", LOG_ALERT, }, 76 { "crit", LOG_CRIT, }, 77 { "debug", LOG_DEBUG, }, 78 { "emerg", LOG_EMERG, }, 79 { "err", LOG_ERR, }, 80 { "error", LOG_ERR, }, /* DEPRECATED */ 81 { "info", LOG_INFO, }, 82 { "none", INTERNAL_NOPRI, }, /* INTERNAL */ 83 { "notice", LOG_NOTICE, }, 84 { "panic", LOG_EMERG, }, /* DEPRECATED */ 85 { "warn", LOG_WARNING, }, /* DEPRECATED */ 86 { "warning", LOG_WARNING, }, 87 { NULL, -1, } 88 }; 89 #endif 90 91 /* facility codes */ 92 #define LOG_KERN (0<<3) /* kernel messages */ 93 #define LOG_USER (1<<3) /* random user-level messages */ 94 #define LOG_MAIL (2<<3) /* mail system */ 95 #define LOG_DAEMON (3<<3) /* system daemons */ 96 #define LOG_AUTH (4<<3) /* authorization messages */ 97 #define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */ 98 #define LOG_LPR (6<<3) /* line printer subsystem */ 99 #define LOG_NEWS (7<<3) /* network news subsystem */ 100 #define LOG_UUCP (8<<3) /* UUCP subsystem */ 101 #define LOG_CRON (9<<3) /* clock daemon */ 102 #define LOG_AUTHPRIV (10<<3) /* authorization messages (private) */ 103 /* Facility #10 clashes in DEC UNIX, where */ 104 /* it's defined as LOG_MEGASAFE for AdvFS */ 105 /* event logging. */ 106 #define LOG_FTP (11<<3) /* ftp daemon */ 107 #define LOG_NTP (12<<3) /* NTP subsystem */ 108 #define LOG_SECURITY (13<<3) /* security subsystems (firewalling, etc.) */ 109 #define LOG_CONSOLE (14<<3) /* /dev/console output */ 110 111 /* other codes through 15 reserved for system use */ 112 #define LOG_LOCAL0 (16<<3) /* reserved for local use */ 113 #define LOG_LOCAL1 (17<<3) /* reserved for local use */ 114 #define LOG_LOCAL2 (18<<3) /* reserved for local use */ 115 #define LOG_LOCAL3 (19<<3) /* reserved for local use */ 116 #define LOG_LOCAL4 (20<<3) /* reserved for local use */ 117 #define LOG_LOCAL5 (21<<3) /* reserved for local use */ 118 #define LOG_LOCAL6 (22<<3) /* reserved for local use */ 119 #define LOG_LOCAL7 (23<<3) /* reserved for local use */ 120 121 #define LOG_NFACILITIES 24 /* current number of facilities */ 122 #define LOG_FACMASK 0x03f8 /* mask to extract facility part */ 123 /* facility of pri */ 124 #define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3) 125 126 #ifdef SYSLOG_NAMES 127 static const CODE facilitynames[] = { 128 { "auth", LOG_AUTH, }, 129 { "authpriv", LOG_AUTHPRIV, }, 130 { "console", LOG_CONSOLE, }, 131 { "cron", LOG_CRON, }, 132 { "daemon", LOG_DAEMON, }, 133 { "ftp", LOG_FTP, }, 134 { "kern", LOG_KERN, }, 135 { "lpr", LOG_LPR, }, 136 { "mail", LOG_MAIL, }, 137 { "mark", INTERNAL_MARK, }, /* INTERNAL */ 138 { "news", LOG_NEWS, }, 139 { "ntp", LOG_NTP, }, 140 { "security", LOG_SECURITY, }, 141 { "syslog", LOG_SYSLOG, }, 142 { "user", LOG_USER, }, 143 { "uucp", LOG_UUCP, }, 144 { "local0", LOG_LOCAL0, }, 145 { "local1", LOG_LOCAL1, }, 146 { "local2", LOG_LOCAL2, }, 147 { "local3", LOG_LOCAL3, }, 148 { "local4", LOG_LOCAL4, }, 149 { "local5", LOG_LOCAL5, }, 150 { "local6", LOG_LOCAL6, }, 151 { "local7", LOG_LOCAL7, }, 152 { NULL, -1, } 153 }; 154 #endif 155 156 #ifdef _KERNEL 157 #define LOG_PRINTF -1 /* pseudo-priority to indicate use of printf */ 158 #endif 159 160 /* 161 * arguments to setlogmask. 162 */ 163 #define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */ 164 #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */ 165 166 /* 167 * Option flags for openlog. 168 * 169 * LOG_ODELAY no longer does anything. 170 * LOG_NDELAY is the inverse of what it used to be. 171 */ 172 #define LOG_PID 0x01 /* log the pid with each message */ 173 #define LOG_CONS 0x02 /* log on the console if errors in sending */ 174 #define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */ 175 #define LOG_NDELAY 0x08 /* don't delay open */ 176 #define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */ 177 #define LOG_PERROR 0x20 /* log to stderr as well */ 178 179 #ifdef _KERNEL 180 181 #else /* not _KERNEL */ 182 183 /* 184 * Don't use va_list in the vsyslog() prototype. Va_list is typedef'd in two 185 * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one 186 * of them here we may collide with the utility's includes. It's unreasonable 187 * for utilities to have to include one of them to include syslog.h, so we get 188 * __va_list from <sys/_types.h> and use it. 189 */ 190 #include <sys/cdefs.h> 191 #include <sys/_types.h> 192 193 __BEGIN_DECLS 194 void closelog(void); 195 void openlog(const char *, int, int); 196 int setlogmask(int); 197 void syslog(int, const char *, ...) __printflike(2, 3); 198 #if __BSD_VISIBLE 199 void vsyslog(int, const char *, __va_list) __printflike(2, 0); 200 #endif 201 __END_DECLS 202 203 #endif /* !_KERNEL */ 204 205 #endif 206