1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * Copyright 2001 Sun Microsystems, Inc. All rights reserved.
3*0Sstevel@tonic-gate * Use is subject to license terms.
4*0Sstevel@tonic-gate */
5*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
6*0Sstevel@tonic-gate
7*0Sstevel@tonic-gate /*
8*0Sstevel@tonic-gate * Routines to report various classes of problems. Each report is decorated
9*0Sstevel@tonic-gate * with the current context (file name and line number), if available.
10*0Sstevel@tonic-gate *
11*0Sstevel@tonic-gate * tcpd_warn() reports a problem and proceeds.
12*0Sstevel@tonic-gate *
13*0Sstevel@tonic-gate * tcpd_jump() reports a problem and jumps.
14*0Sstevel@tonic-gate *
15*0Sstevel@tonic-gate * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
16*0Sstevel@tonic-gate */
17*0Sstevel@tonic-gate
18*0Sstevel@tonic-gate #ifndef lint
19*0Sstevel@tonic-gate static char sccsid[] = "@(#) diag.c 1.1 94/12/28 17:42:20";
20*0Sstevel@tonic-gate #endif
21*0Sstevel@tonic-gate
22*0Sstevel@tonic-gate /* System libraries */
23*0Sstevel@tonic-gate
24*0Sstevel@tonic-gate #include <syslog.h>
25*0Sstevel@tonic-gate #include <stdio.h>
26*0Sstevel@tonic-gate #include <setjmp.h>
27*0Sstevel@tonic-gate
28*0Sstevel@tonic-gate /* Local stuff */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate #include "tcpd.h"
31*0Sstevel@tonic-gate #include "mystdarg.h"
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate struct tcpd_context tcpd_context;
34*0Sstevel@tonic-gate jmp_buf tcpd_buf;
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate /* tcpd_diag - centralize error reporter */
37*0Sstevel@tonic-gate
tcpd_diag(severity,tag,format,ap)38*0Sstevel@tonic-gate static void tcpd_diag(severity, tag, format, ap)
39*0Sstevel@tonic-gate int severity;
40*0Sstevel@tonic-gate char *tag;
41*0Sstevel@tonic-gate char *format;
42*0Sstevel@tonic-gate va_list ap;
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate char fmt[BUFSIZ];
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate if (tcpd_context.file)
47*0Sstevel@tonic-gate sprintf(fmt, "%s: %s, line %d: %s",
48*0Sstevel@tonic-gate tag, tcpd_context.file, tcpd_context.line, format);
49*0Sstevel@tonic-gate else
50*0Sstevel@tonic-gate sprintf(fmt, "%s: %s", tag, format);
51*0Sstevel@tonic-gate vsyslog(severity, fmt, ap);
52*0Sstevel@tonic-gate }
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate /* tcpd_warn - report problem of some sort and proceed */
55*0Sstevel@tonic-gate
VARARGS(tcpd_warn,char *,format)56*0Sstevel@tonic-gate void VARARGS(tcpd_warn, char *, format)
57*0Sstevel@tonic-gate {
58*0Sstevel@tonic-gate va_list ap;
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate VASTART(ap, char *, format);
61*0Sstevel@tonic-gate tcpd_diag(LOG_ERR, "warning", format, ap);
62*0Sstevel@tonic-gate VAEND(ap);
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate /* tcpd_jump - report serious problem and jump */
66*0Sstevel@tonic-gate
VARARGS(tcpd_jump,char *,format)67*0Sstevel@tonic-gate void VARARGS(tcpd_jump, char *, format)
68*0Sstevel@tonic-gate {
69*0Sstevel@tonic-gate va_list ap;
70*0Sstevel@tonic-gate
71*0Sstevel@tonic-gate VASTART(ap, char *, format);
72*0Sstevel@tonic-gate tcpd_diag(LOG_ERR, "error", format, ap);
73*0Sstevel@tonic-gate VAEND(ap);
74*0Sstevel@tonic-gate longjmp(tcpd_buf, AC_ERROR);
75*0Sstevel@tonic-gate }
76