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/*
* $Source$
* $Author$
*
* Copyright 1990,1991 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America is assumed
* to require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* krb5_get_default_realm() function.
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_def_realm_c[] =
"$Id$";
#endif /* !lint & !SABER */
#include <krb5/krb5.h>
#include <krb5/ext-proto.h>
#include <stdio.h>
/*
* Retrieves the default realm to be used if no user-specified realm is
* available. [e.g. to interpret a user-typed principal name with the
* realm omitted for convenience]
*
* returns system errors, NOT_ENOUGH_SPACE
*/
/*
* Implementation: the default realm is stored in a configuration file,
* named by krb5_config_file; the first token in this file is taken as
* the default local realm name.
*/
extern char *krb5_config_file; /* extern so can be set at
load/runtime */
krb5_error_code
krb5_get_default_realm(lrealm)
char **lrealm;
{
FILE *config_file;
char realmbuf[BUFSIZ];
char *cp;
if (!(config_file = fopen(krb5_config_file, "r")))
/* can't open */
return KRB5_CONFIG_CANTOPEN;
if (fscanf(config_file, "%s", realmbuf) != 1) {
fclose(config_file);
return( KRB5_CONFIG_BADFORMAT);
}
fclose(config_file);
if (!(*lrealm = cp = malloc((unsigned int) strlen(realmbuf) + 1)))
return ENOMEM;
strcpy(cp, realmbuf);
return(0);
}
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