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