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