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

1.1       root        1: /*
                      2:  * $Source: /usr/src/kerberosIV/krb/RCS/get_krbrlm.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_get_krbrlm_c =
                     14: "$Header: /usr/src/kerberosIV/krb/RCS/get_krbrlm.c,v 4.9 90/06/25 20:55:57 kfall Exp $";
                     15: #endif /* lint */
                     16: 
                     17: #include <mit-copyright.h>
                     18: #include <stdio.h>
                     19: #include <des.h>
                     20: #include <krb.h>
                     21: #include <strings.h>
                     22: 
                     23: /*
                     24:  * krb_get_lrealm takes a pointer to a string, and a number, n.  It fills
                     25:  * in the string, r, with the name of the nth realm specified on the
                     26:  * first line of the kerberos config file (KRB_CONF, defined in "krb.h").
                     27:  * It returns 0 (KSUCCESS) on success, and KFAILURE on failure.  If the
                     28:  * config file does not exist, and if n=1, a successful return will occur
                     29:  * with r = KRB_REALM (also defined in "krb.h").
                     30:  *
                     31:  * NOTE: for archaic & compatibility reasons, this routine will only return
                     32:  * valid results when n = 1.
                     33:  *
                     34:  * For the format of the KRB_CONF file, see comments describing the routine
                     35:  * krb_get_krbhst().
                     36:  */
                     37: 
                     38: krb_get_lrealm(r,n)
                     39:     char *r;
                     40:     int n;
                     41: {
                     42:     FILE *cnffile, *fopen();
                     43: 
                     44:     if (n > 1)
                     45:        return(KFAILURE);  /* Temporary restriction */
                     46: 
                     47:     if ((cnffile = fopen(KRB_CONF, "r")) == NULL) {
                     48:        if (n == 1) {
                     49:            (void) strcpy(r, KRB_REALM);
                     50:            return(KSUCCESS);
                     51:        }
                     52:        else
                     53:            return(KFAILURE);
                     54:     }
                     55: 
                     56:     if (fscanf(cnffile,"%s",r) != 1) {
                     57:         (void) fclose(cnffile);
                     58:         return(KFAILURE);
                     59:     }
                     60:     (void) fclose(cnffile);
                     61:     return(KSUCCESS);
                     62: }

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