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/*
* g_krbrlm.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 <stdio.h>
#include "krb.h"
#include <string.h>
#include "krb4int.h"
/*
* krb_get_lrealm takes a pointer to a string, and a number, n. It fills
* in the string, r, with the name of the nth realm specified on the
* first line of the kerberos config file (KRB_CONF, defined in "krb.h").
* It returns 0 (KSUCCESS) on success, and KFAILURE on failure. If the
* config file does not exist, and if n=1, a successful return will occur
* with r = KRB_REALM (also defined in "krb.h").
*
* NOTE: for archaic & compatibility reasons, this routine will only return
* valid results when n = 1.
*
* For the format of the KRB_CONF file, see comments describing the routine
* krb_get_krbhst(). This will also look in KRB_FB_CONF is
* ATHENA_CONF_FALLBACK is defined.
*/
int KRB5_CALLCONV
krb_get_lrealm(r,n)
char *r;
int n;
{
FILE *cnffile;
if (n > 1)
return(KFAILURE); /* Temporary restriction */
cnffile = krb__get_cnffile();
if (!cnffile) {
if (n == 1) {
(void) strncpy(r, KRB_REALM, REALM_SZ);
r[REALM_SZ - 1] = '\0';
return(KSUCCESS);
}
else
return(KFAILURE);
}
/*
* XXX This assumes REALM_SZ == 40,
* and that r is 40 characters long.
*/
if (fscanf(cnffile,"%39s",r) != 1) {
(void) fclose(cnffile);
return(KFAILURE);
}
(void) fclose(cnffile);
return(KSUCCESS);
}
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