70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
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/*
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* Routines to report various classes of problems. Each report is decorated
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* with the current context (file name and line number), if available.
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*
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* tcpd_warn() reports a problem and proceeds.
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*
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* tcpd_jump() reports a problem and jumps.
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*
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* Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
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*/
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#ifndef lint
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static char sccsid[] = "@(#) diag.c 1.1 94/12/28 17:42:20";
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#endif
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/* System libraries */
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#include <syslog.h>
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#include <stdio.h>
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#include <setjmp.h>
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/* Local stuff */
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#include "tcpd.h"
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#include "mystdarg.h"
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struct tcpd_context tcpd_context;
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jmp_buf tcpd_buf;
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/* tcpd_diag - centralize error reporter */
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static void tcpd_diag(severity, tag, format, ap)
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int severity;
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char *tag;
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char *format;
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va_list ap;
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{
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char fmt[BUFSIZ];
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if (tcpd_context.file)
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sprintf(fmt, "%s: %s, line %d: %s",
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tag, tcpd_context.file, tcpd_context.line, format);
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else
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sprintf(fmt, "%s: %s", tag, format);
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vsyslog(severity, fmt, ap);
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}
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/* tcpd_warn - report problem of some sort and proceed */
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void VARARGS(tcpd_warn, char *, format)
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{
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va_list ap;
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VASTART(ap, char *, format);
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tcpd_diag(LOG_ERR, "warning", format, ap);
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VAEND(ap);
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}
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/* tcpd_jump - report serious problem and jump */
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void VARARGS(tcpd_jump, char *, format)
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{
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va_list ap;
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VASTART(ap, char *, format);
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tcpd_diag(LOG_ERR, "error", format, ap);
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VAEND(ap);
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longjmp(tcpd_buf, AC_ERROR);
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}
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