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