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Annotation of 43BSDReno/kerberosIV/krb/klog.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * $Source: /usr/src/kerberosIV/krb/RCS/klog.c,v $
                      3:  * $Author: kfall $
                      4:  *
                      5:  * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
                      6:  * of Technology.
                      7:  *
                      8:  * For copying and distribution information, please see the file
                      9:  * <mit-copyright.h>.
                     10:  */
                     11: 
                     12: #ifndef lint
                     13: static char *rcsid_klog_c =
                     14: "$Header: /usr/src/kerberosIV/krb/RCS/klog.c,v 4.7 90/06/25 20:56:31 kfall Exp $";
                     15: #endif /* lint */
                     16: 
                     17: #include <mit-copyright.h>
                     18: #include <sys/time.h>
                     19: #include <stdio.h>
                     20: 
                     21: #include <des.h>
                     22: #include <krb.h>
                     23: #include <klog.h>
                     24: 
                     25: static char *log_name = KRBLOG;
                     26: static int is_open;
                     27: static char logtxt[1000];
                     28: 
                     29: /*
                     30:  * This file contains two logging routines: kset_logfile()
                     31:  * to determine the file to which log entries should be written;
                     32:  * and klog() to write log entries to the file.
                     33:  */
                     34: 
                     35: /*
                     36:  * klog() is used to add entries to the logfile (see kset_logfile()
                     37:  * below).  Note that it is probably not portable since it makes
                     38:  * assumptions about what the compiler will do when it is called
                     39:  * with less than the correct number of arguments which is the
                     40:  * way it is usually called.
                     41:  *
                     42:  * The log entry consists of a timestamp and the given arguments
                     43:  * printed according to the given "format" string.
                     44:  *
                     45:  * The log file is opened and closed for each log entry.
                     46:  *
                     47:  * If the given log type "type" is unknown, or if the log file
                     48:  * cannot be opened, no entry is made to the log file.
                     49:  *
                     50:  * The return value is always a pointer to the formatted log
                     51:  * text string "logtxt".
                     52:  */
                     53: 
                     54: char * klog(type,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0)
                     55:     int type;
                     56:     char *format;
                     57:     int a1,a2,a3,a4,a5,a6,a7,a8,a9,a0;
                     58: {
                     59:     FILE *logfile, *fopen();
                     60:     long time(),now;
                     61:     char *month_sname();
                     62:     struct tm *tm;
                     63:     static int logtype_array[NLOGTYPE] = {0,0};
                     64:     static int array_initialized;
                     65: 
                     66:     if (!(array_initialized++)) {
                     67:         logtype_array[L_NET_ERR] = 1;
                     68:         logtype_array[L_KRB_PERR] = 1;
                     69:         logtype_array[L_KRB_PWARN] = 1;
                     70:         logtype_array[L_APPL_REQ] = 1;
                     71:         logtype_array[L_INI_REQ] = 1;
                     72:         logtype_array[L_DEATH_REQ] = 1;
                     73:         logtype_array[L_NTGT_INTK] = 1;
                     74:         logtype_array[L_ERR_SEXP] = 1;
                     75:         logtype_array[L_ERR_MKV] = 1;
                     76:         logtype_array[L_ERR_NKY] = 1;
                     77:         logtype_array[L_ERR_NUN] = 1;
                     78:         logtype_array[L_ERR_UNK] = 1;
                     79:     }
                     80: 
                     81:     (void) sprintf(logtxt,format,a1,a2,a3,a4,a5,a6,a7,a8,a9,a0);
                     82: 
                     83:     if (!logtype_array[type])
                     84:        return(logtxt);
                     85: 
                     86:     if ((logfile = fopen(log_name,"a")) == NULL)
                     87:         return(logtxt);
                     88: 
                     89:     (void) time(&now);
                     90:     tm = localtime(&now);
                     91: 
                     92:     fprintf(logfile,"%2d-%s-%02d %02d:%02d:%02d ",tm->tm_mday,
                     93:             month_sname(tm->tm_mon + 1),tm->tm_year,
                     94:             tm->tm_hour, tm->tm_min, tm->tm_sec);
                     95:     fprintf(logfile,"%s\n",logtxt);
                     96:     (void) fclose(logfile);
                     97:     return(logtxt);
                     98: }
                     99: 
                    100: /*
                    101:  * kset_logfile() changes the name of the file to which
                    102:  * messages are logged.  If kset_logfile() is not called,
                    103:  * the logfile defaults to KRBLOG, defined in "krb.h".
                    104:  */
                    105: 
                    106: kset_logfile(filename)
                    107:     char *filename;
                    108: {
                    109:     log_name = filename;
                    110:     is_open = 0;
                    111: }

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