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/*
* klog.c
*
* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
* of Technology.
*
* For copying and distribution information, please see the file
* <mit-copyright.h>.
*/
#include "mit-copyright.h"
#include "krb.h"
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#if !defined(VMS) && !defined(_WINDOWS)
#include <sys/time.h>
#endif
#include <stdio.h>
#include "krb4int.h"
#include <klog.h>
static char *log_name = KRBLOG;
static char logtxt[1000];
/*
* This file contains two logging routines: kset_logfile()
* to determine the file to which log entries should be written;
* and klog() to write log entries to the file.
*/
/*
* klog() is used to add entries to the logfile (see kset_logfile()
* below). Note that it is probably not portable since it makes
* assumptions about what the compiler will do when it is called
* with less than the correct number of arguments which is the
* way it is usually called.
*
* The log entry consists of a timestamp and the given arguments
* printed according to the given "format" string.
*
* The log file is opened and closed for each log entry.
*
* If the given log type "type" is unknown, or if the log file
* cannot be opened, no entry is made to the log file.
*
* The return value is always a pointer to the formatted log
* text string "logtxt".
*/
char * klog(type,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0)
int type;
char *format;
char *a1,*a2,*a3,*a4,*a5,*a6,*a7,*a8,*a9,*a0;
{
FILE *logfile;
time_t now;
struct tm *tm;
static int logtype_array[NLOGTYPE];
static int array_initialized;
if (!(array_initialized++)) {
logtype_array[L_NET_ERR] = 1;
logtype_array[L_KRB_PERR] = 1;
logtype_array[L_KRB_PWARN] = 1;
logtype_array[L_APPL_REQ] = 1;
logtype_array[L_INI_REQ] = 1;
logtype_array[L_DEATH_REQ] = 1;
logtype_array[L_NTGT_INTK] = 1;
logtype_array[L_ERR_SEXP] = 1;
logtype_array[L_ERR_MKV] = 1;
logtype_array[L_ERR_NKY] = 1;
logtype_array[L_ERR_NUN] = 1;
logtype_array[L_ERR_UNK] = 1;
}
(void) sprintf(logtxt,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0);
if (!logtype_array[type])
return(logtxt);
if ((logfile = fopen(log_name,"a")) == NULL)
return(logtxt);
(void) time(&now);
tm = localtime(&now);
fprintf(logfile,"%2d-%s-%d %02d:%02d:%02d ",tm->tm_mday,
month_sname(tm->tm_mon + 1),1900+tm->tm_year,
tm->tm_hour, tm->tm_min, tm->tm_sec);
fprintf(logfile,"%s\n",logtxt);
(void) fclose(logfile);
return(logtxt);
}
/*
* kset_logfile() changes the name of the file to which
* messages are logged. If kset_logfile() is not called,
* the logfile defaults to KRBLOG, defined in "krb.h".
*/
void
kset_logfile(filename)
char *filename;
{
log_name = filename;
}
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