1/*
2 * Copyright (c) 1982, 1986, 1988, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)syslog.h	8.1 (Berkeley) 6/2/93
30 */
31
32/***********************************************************************
33 * Copyright (c) 2009, Secure Endpoints Inc.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * - Redistributions of source code must retain the above copyright
41 *   notice, this list of conditions and the following disclaimer.
42 *
43 * - Redistributions in binary form must reproduce the above copyright
44 *   notice, this list of conditions and the following disclaimer in
45 *   the documentation and/or other materials provided with the
46 *   distribution.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
49 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
50 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
51 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
52 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
53 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
55 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
57 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
58 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
59 * OF THE POSSIBILITY OF SUCH DAMAGE.
60 *
61 **********************************************************************/
62
63#ifndef _SYS_SYSLOG_H
64#define _SYS_SYSLOG_H 1
65
66#include <stdarg.h>
67
68/*
69 * priorities/facilities are encoded into a single 32-bit quantity, where the
70 * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
71 * (0-big number).  Both the priorities and the facilities map roughly
72 * one-to-one to strings in the syslogd(8) source code.  This mapping is
73 * included in this file.
74 *
75 * priorities (these are ordered)
76 */
77#define	LOG_EMERG	0	/* system is unusable */
78#define	LOG_ALERT	1	/* action must be taken immediately */
79#define	LOG_CRIT	2	/* critical conditions */
80#define	LOG_ERR		3	/* error conditions */
81#define	LOG_WARNING	4	/* warning conditions */
82#define	LOG_NOTICE	5	/* normal but significant condition */
83#define	LOG_INFO	6	/* informational */
84#define	LOG_DEBUG	7	/* debug-level messages */
85
86#define	LOG_PRIMASK	0x07	/* mask to extract priority part (internal) */
87				/* extract priority */
88#define	LOG_PRI(p)	((p) & LOG_PRIMASK)
89#define	LOG_MAKEPRI(fac, pri)	(((fac) << 3) | (pri))
90
91#ifdef SYSLOG_NAMES
92#define	INTERNAL_NOPRI	0x10	/* the "no priority" priority */
93				/* mark "facility" */
94#define	INTERNAL_MARK	LOG_MAKEPRI(LOG_NFACILITIES, 0)
95typedef struct _code {
96	char	*c_name;
97	int	c_val;
98} CODE;
99
100CODE prioritynames[] =
101  {
102    { "alert", LOG_ALERT },
103    { "crit", LOG_CRIT },
104    { "debug", LOG_DEBUG },
105    { "emerg", LOG_EMERG },
106    { "err", LOG_ERR },
107    { "error", LOG_ERR },		/* DEPRECATED */
108    { "info", LOG_INFO },
109    { "none", INTERNAL_NOPRI },		/* INTERNAL */
110    { "notice", LOG_NOTICE },
111    { "panic", LOG_EMERG },		/* DEPRECATED */
112    { "warn", LOG_WARNING },		/* DEPRECATED */
113    { "warning", LOG_WARNING },
114    { NULL, -1 }
115  };
116#endif
117
118/* facility codes */
119#define	LOG_KERN	(0<<3)	/* kernel messages */
120#define	LOG_USER	(1<<3)	/* random user-level messages */
121#define	LOG_MAIL	(2<<3)	/* mail system */
122#define	LOG_DAEMON	(3<<3)	/* system daemons */
123#define	LOG_AUTH	(4<<3)	/* security/authorization messages */
124#define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
125#define	LOG_LPR		(6<<3)	/* line printer subsystem */
126#define	LOG_NEWS	(7<<3)	/* network news subsystem */
127#define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
128#define	LOG_CRON	(9<<3)	/* clock daemon */
129#define	LOG_AUTHPRIV	(10<<3)	/* security/authorization messages (private) */
130#define	LOG_FTP		(11<<3)	/* ftp daemon */
131
132	/* other codes through 15 reserved for system use */
133#define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
134#define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
135#define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
136#define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
137#define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
138#define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
139#define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
140#define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
141
142#define	LOG_NFACILITIES	24	/* current number of facilities */
143#define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
144				/* facility of pri */
145#define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
146
147#ifdef SYSLOG_NAMES
148CODE facilitynames[] =
149  {
150    { "auth", LOG_AUTH },
151    { "authpriv", LOG_AUTHPRIV },
152    { "cron", LOG_CRON },
153    { "daemon", LOG_DAEMON },
154    { "ftp", LOG_FTP },
155    { "kern", LOG_KERN },
156    { "lpr", LOG_LPR },
157    { "mail", LOG_MAIL },
158    { "mark", INTERNAL_MARK },		/* INTERNAL */
159    { "news", LOG_NEWS },
160    { "security", LOG_AUTH },		/* DEPRECATED */
161    { "syslog", LOG_SYSLOG },
162    { "user", LOG_USER },
163    { "uucp", LOG_UUCP },
164    { "local0", LOG_LOCAL0 },
165    { "local1", LOG_LOCAL1 },
166    { "local2", LOG_LOCAL2 },
167    { "local3", LOG_LOCAL3 },
168    { "local4", LOG_LOCAL4 },
169    { "local5", LOG_LOCAL5 },
170    { "local6", LOG_LOCAL6 },
171    { "local7", LOG_LOCAL7 },
172    { NULL, -1 }
173  };
174#endif
175
176/*
177 * arguments to setlogmask.
178 */
179#define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
180#define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
181
182/*
183 * Option flags for openlog.
184 *
185 * LOG_ODELAY no longer does anything.
186 * LOG_NDELAY is the inverse of what it used to be.
187 */
188#define	LOG_PID		0x01	/* log the pid with each message */
189#define	LOG_CONS	0x02	/* log on the console if errors in sending */
190#define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
191#define	LOG_NDELAY	0x08	/* don't delay open */
192#define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
193#define	LOG_PERROR	0x20	/* log to stderr as well */
194
195#define SYSLOG_PORT     514
196
197#ifdef __cplusplus
198extern "C" {
199#endif
200
201/* Close desriptor used to write to system logger.  */
202extern void closelog (void);
203
204/* Open connection to system logger.  */
205extern void openlog (char *__ident, int __option, int __facility);
206
207/* Set the log mask level.  */
208extern int setlogmask (int __mask);
209
210/* Generate a log message using FMT string and option arguments.  */
211extern void syslog (int __pri, char *__fmt, ...);
212
213/* Generate a log message using FMT and using arguments pointed to by AP.  */
214extern void vsyslog (int __pri, char *__fmt, va_list __ap);
215
216#ifdef _WIN32
217    /* Windows specific.
218
219       init_syslog() *must* be called before calling any of the above
220       functions.  exit_syslog() will be scheduled using atexit().
221       However, it is not an error and encouraged to call
222       exit_syslog() before the application exits.
223
224       During operation, the application is free to call exit_syslog()
225       followed by init_syslog() to re-initialize the library. i.e. if
226       a different syslog host is to be used.
227
228     */
229
230    /* Initializes the syslog library and sets the syslog host.  The
231       hostname parameter is of the form "<hostname>[:<port>]".  The
232       <port> may be a numeric port or it may be a name of a service.
233       If the <port> is specified using a service name, it will be
234       looked up using getservbyname().
235
236       On failure, the hostname and port will be set to "localhost"
237       and SYSLOG_PORT respectively.
238    */
239    extern void init_syslog(const char * hostname);
240
241    extern void exit_syslog(void);
242#endif
243
244#ifdef __cplusplus
245}
246#endif
247
248#endif /* syslog.h */
249