1/*
2 * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
3 * Use is subject to license terms.
4 */
5#pragma ident	"%Z%%M%	%I%	%E% SMI"
6
7 /*
8  * Routines to report various classes of problems. Each report is decorated
9  * with the current context (file name and line number), if available.
10  *
11  * tcpd_warn() reports a problem and proceeds.
12  *
13  * tcpd_jump() reports a problem and jumps.
14  *
15  * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
16  */
17
18#ifndef lint
19static char sccsid[] = "@(#) diag.c 1.1 94/12/28 17:42:20";
20#endif
21
22/* System libraries */
23
24#include <syslog.h>
25#include <stdio.h>
26#include <setjmp.h>
27
28/* Local stuff */
29
30#include "tcpd.h"
31#include "mystdarg.h"
32
33struct tcpd_context tcpd_context;
34jmp_buf tcpd_buf;
35
36/* tcpd_diag - centralize error reporter */
37
38static void tcpd_diag(severity, tag, format, ap)
39int     severity;
40char   *tag;
41char   *format;
42va_list ap;
43{
44    char    fmt[BUFSIZ];
45
46    if (tcpd_context.file)
47	sprintf(fmt, "%s: %s, line %d: %s",
48		tag, tcpd_context.file, tcpd_context.line, format);
49    else
50	sprintf(fmt, "%s: %s", tag, format);
51    vsyslog(severity, fmt, ap);
52}
53
54/* tcpd_warn - report problem of some sort and proceed */
55
56void    VARARGS(tcpd_warn, char *, format)
57{
58    va_list ap;
59
60    VASTART(ap, char *, format);
61    tcpd_diag(LOG_ERR, "warning", format, ap);
62    VAEND(ap);
63}
64
65/* tcpd_jump - report serious problem and jump */
66
67void    VARARGS(tcpd_jump, char *, format)
68{
69    va_list ap;
70
71    VASTART(ap, char *, format);
72    tcpd_diag(LOG_ERR, "error", format, ap);
73    VAEND(ap);
74    longjmp(tcpd_buf, AC_ERROR);
75}
76