1 /*
2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
29 /*-
30  * Copyright (c) 1982, 1986, 1988, 1993
31  *	The Regents of the University of California.  All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  * 1. Redistributions of source code must retain the above copyright
37  *    notice, this list of conditions and the following disclaimer.
38  * 2. Redistributions in binary form must reproduce the above copyright
39  *    notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  * 4. Neither the name of the University nor the names of its contributors
42  *    may be used to endorse or promote products derived from this software
43  *    without specific prior written permission.
44  *
45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55  * SUCH DAMAGE.
56  *
57  *	@(#)syslog.h	8.1 (Berkeley) 6/2/93
58  * $FreeBSD: src/sys/sys/syslog.h,v 1.27.2.1.4.1 2010/06/14 02:09:06 kensmith Exp $
59  */
60 
61 #ifndef _SYS_SYSLOG_H_
62 #define _SYS_SYSLOG_H_
63 
64 #include <sys/appleapiopts.h>
65 #include <sys/cdefs.h>
66 
67 #define _PATH_LOG       "/var/run/syslog"
68 
69 /*
70  * priorities/facilities are encoded into a single 32-bit quantity, where the
71  * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
72  * (0-big number).  Both the priorities and the facilities map roughly
73  * one-to-one to strings in the syslogd(8) source code.  This mapping is
74  * included in this file.
75  *
76  * priorities (these are ordered)
77  */
78 #define LOG_EMERG       0       /* system is unusable */
79 #define LOG_ALERT       1       /* action must be taken immediately */
80 #define LOG_CRIT        2       /* critical conditions */
81 #define LOG_ERR         3       /* error conditions */
82 #define LOG_WARNING     4       /* warning conditions */
83 #define LOG_NOTICE      5       /* normal but significant condition */
84 #define LOG_INFO        6       /* informational */
85 #define LOG_DEBUG       7       /* debug-level messages */
86 
87 #define LOG_PRIMASK     0x07    /* mask to extract priority part (internal) */
88 /* extract priority */
89 #define LOG_PRI(p)      ((p) & LOG_PRIMASK)
90 #define LOG_MAKEPRI(fac, pri)   ((fac) | (pri))
91 
92 #ifdef SYSLOG_NAMES
93 #define INTERNAL_NOPRI  0x10    /* the "no priority" priority */
94 /* mark "facility" */
95 #define INTERNAL_MARK   LOG_MAKEPRI((LOG_NFACILITIES<<3), 0)
96 typedef struct _code {
97 	const char      *c_name;
98 	int             c_val;
99 } CODE;
100 
101 CODE prioritynames[] = {
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)  /* 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) /* authorization messages (private) */
130 /* Facility #10 clashes in DEC UNIX, where */
131 /* it's defined as LOG_MEGASAFE for AdvFS  */
132 /* event logging.                          */
133 #define LOG_FTP         (11<<3) /* ftp daemon */
134 //#define	LOG_NTP		(12<<3)	/* NTP subsystem */
135 //#define	LOG_SECURITY	(13<<3) /* security subsystems (firewalling, etc.) */
136 //#define	LOG_CONSOLE	(14<<3) /* /dev/console output */
137 #define LOG_NETINFO     (12<<3) /* NetInfo */
138 #define LOG_REMOTEAUTH  (13<<3) /* remote authentication/authorization */
139 #define LOG_INSTALL     (14<<3) /* installer subsystem */
140 #define LOG_RAS         (15<<3) /* Remote Access Service (VPN / PPP) */
141 
142 /* other codes through 15 reserved for system use */
143 #define LOG_LOCAL0      (16<<3) /* reserved for local use */
144 #define LOG_LOCAL1      (17<<3) /* reserved for local use */
145 #define LOG_LOCAL2      (18<<3) /* reserved for local use */
146 #define LOG_LOCAL3      (19<<3) /* reserved for local use */
147 #define LOG_LOCAL4      (20<<3) /* reserved for local use */
148 #define LOG_LOCAL5      (21<<3) /* reserved for local use */
149 #define LOG_LOCAL6      (22<<3) /* reserved for local use */
150 #define LOG_LOCAL7      (23<<3) /* reserved for local use */
151 
152 #define LOG_LAUNCHD     (24<<3) /* launchd - general bootstrap daemon */
153 
154 #define LOG_NFACILITIES 25      /* current number of facilities */
155 #define LOG_FACMASK     0x03f8  /* mask to extract facility part */
156 /* facility of pri */
157 #define LOG_FAC(p)      (((p) & LOG_FACMASK) >> 3)
158 
159 #ifdef SYSLOG_NAMES
160 CODE facilitynames[] = {
161 	{ "auth", LOG_AUTH, },
162 	{ "authpriv", LOG_AUTHPRIV, },
163 	{ "cron", LOG_CRON, },
164 	{ "daemon", LOG_DAEMON, },
165 	{ "ftp", LOG_FTP, },
166 	{ "install", LOG_INSTALL     },
167 	{ "kern", LOG_KERN, },
168 	{ "lpr", LOG_LPR, },
169 	{ "mail", LOG_MAIL, },
170 	{ "mark", INTERNAL_MARK, },             /* INTERNAL */
171 	{ "netinfo", LOG_NETINFO, },
172 	{ "ras", LOG_RAS         },
173 	{ "remoteauth", LOG_REMOTEAUTH  },
174 	{ "news", LOG_NEWS, },
175 	{ "security", LOG_AUTH        },        /* DEPRECATED */
176 	{ "syslog", LOG_SYSLOG, },
177 	{ "user", LOG_USER, },
178 	{ "uucp", LOG_UUCP, },
179 	{ "local0", LOG_LOCAL0, },
180 	{ "local1", LOG_LOCAL1, },
181 	{ "local2", LOG_LOCAL2, },
182 	{ "local3", LOG_LOCAL3, },
183 	{ "local4", LOG_LOCAL4, },
184 	{ "local5", LOG_LOCAL5, },
185 	{ "local6", LOG_LOCAL6, },
186 	{ "local7", LOG_LOCAL7, },
187 	{ "launchd", LOG_LAUNCHD     },
188 	{ NULL, -1, }
189 };
190 #endif
191 
192 
193 /*
194  * arguments to setlogmask.
195  */
196 #define LOG_MASK(pri)   (1 << (pri))            /* mask for one priority */
197 #define LOG_UPTO(pri)   ((1 << ((pri)+1)) - 1)  /* all priorities through pri */
198 
199 /*
200  * Option flags for openlog.
201  *
202  * LOG_ODELAY no longer does anything.
203  * LOG_NDELAY is the inverse of what it used to be.
204  */
205 #define LOG_PID         0x01    /* log the pid with each message */
206 #define LOG_CONS        0x02    /* log on the console if errors in sending */
207 #define LOG_ODELAY      0x04    /* delay open until first syslog() (default) */
208 #define LOG_NDELAY      0x08    /* don't delay open */
209 #define LOG_NOWAIT      0x10    /* don't wait for console forks: DEPRECATED */
210 #define LOG_PERROR      0x20    /* log to stderr as well */
211 
212 
213 /*
214  * Don't use va_list in the vsyslog() prototype.   Va_list is typedef'd in two
215  * places (<machine/varargs.h> and <machine/stdarg.h>), so if we include one
216  * of them here we may collide with the utility's includes.  It's unreasonable
217  * for utilities to have to include one of them to include syslog.h, so we get
218  * __va_list from <sys/_types.h> and use it.
219  */
220 #include <sys/_types.h>
221 
222 __BEGIN_DECLS
223 void    closelog(void);
224 void    openlog(const char *, int, int);
225 int     setlogmask(int);
226 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __DARWIN_C_LEVEL >= __DARWIN_C_FULL
227 void    syslog(int, const char *, ...) __DARWIN_ALIAS_STARTING(__MAC_10_13, __IPHONE_NA, __DARWIN_EXTSN(syslog)) __printflike(2, 3) __not_tail_called;
228 #else
229 void    syslog(int, const char *, ...) __printflike(2, 3) __not_tail_called;
230 #endif
231 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
232 void    vsyslog(int, const char *, __darwin_va_list) __printflike(2, 0) __not_tail_called;
233 #endif
234 __END_DECLS
235 
236 #endif /* !_SYS_SYSLOG_H_ */