log.h revision 1.20 
1/* $OpenBSD: log.h,v 1.20 2004/04/15 18:39:26 deraadt Exp $	 */
2/* $EOM: log.h,v 1.19 2000/03/30 14:27:23 ho Exp $	 */
3
4/*
5 * Copyright (c) 1998, 1999 Niklas Hallqvist.  All rights reserved.
6 * Copyright (c) 2001, 2002, 2003 H�kan Olsson.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * This code was written under funding by Ericsson Radio Systems.
31 */
32
33#ifndef _LOG_H_
34#define _LOG_H_
35
36#include <sys/types.h>
37#include <sys/socket.h>
38#include <sys/uio.h>
39#include <stdio.h>
40
41extern int      verbose_logging;
42
43/*
44 * We cannot do the log strings dynamically sizeable as out of memory is one
45 * of the situations we need to report about.
46 */
47#define LOG_SIZE	200
48
49enum log_classes {
50	LOG_MISC, LOG_TRANSPORT, LOG_MESSAGE, LOG_CRYPTO, LOG_TIMER, LOG_SYSDEP,
51	LOG_SA, LOG_EXCHANGE, LOG_NEGOTIATION, LOG_POLICY, LOG_UI, LOG_ENDCLASS
52};
53#define LOG_CLASSES_TEXT \
54  { "Misc", "Trpt", "Mesg", "Cryp", "Timr", "Sdep", "SA  ", "Exch", "Negt", \
55    "Plcy", "UI  " }
56
57/*
58 * "Class" LOG_REPORT will always be logged to the current log channel,
59 * regardless of level.
60 */
61#define LOG_PRINT  -1
62#define LOG_REPORT -2
63
64#ifdef USE_DEBUG
65
66#define LOG_DBG(x)	log_debug x
67#define LOG_DBG_BUF(x)	log_debug_buf x
68
69extern void
70log_debug(int, int, const char *,...)
71__attribute__((__format__(__printf__, 3, 4)));
72	extern void     log_debug_buf(int, int, const char *, const u_int8_t *, size_t);
73	extern void     log_debug_cmd(int, int);
74	extern void     log_debug_toggle(void);
75
76#define PCAP_FILE_DEFAULT "/var/run/isakmpd.pcap"
77	extern void     log_packet_init(char *);
78	extern void     log_packet_iov(struct sockaddr *, struct sockaddr *,
79				                       struct iovec *, int);
80	extern void     log_packet_restart(char *);
81	extern void     log_packet_stop(void);
82
83#else				/* !USE_DEBUG */
84
85#define LOG_DBG(x)
86#define LOG_DBG_BUF(x)
87
88#endif				/* USE_DEBUG */
89
90extern FILE    *log_current(void);
91extern void
92log_error(const char *,...)
93__attribute__((__format__(__printf__, 1, 2)));
94	extern void     log_fatal(const char *,...)
95                __attribute__((__format__(__printf__, 1, 2)));
96	extern void     log_print(const char *,...)
97                __attribute__((__format__(__printf__, 1, 2)));
98	extern void     log_verbose(const char *,...)
99                __attribute__((__format__(__printf__, 1, 2)));
100	extern void     log_to(FILE *);
101	extern void     log_init(int);
102	extern void     log_reinit(void);
103
104#endif				/* _LOG_H_ */
105