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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/os/ktdefname.c - Return default keytab name */
/*
* Copyright 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* 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. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* 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.
*/
#define NEED_WINDOWS
#include "k5-int.h"
#include "os-proto.h"
/* this is a an exceedinly gross thing. */
char *krb5_overridekeyname = NULL;
static krb5_error_code
kt_default_name(krb5_context context, char **name_out)
{
krb5_error_code ret;
char *str;
if (krb5_overridekeyname != NULL) {
*name_out = strdup(krb5_overridekeyname);
return (*name_out == NULL) ? ENOMEM : 0;
} else if (context->profile_secure == FALSE &&
(str = getenv("KRB5_KTNAME")) != NULL) {
*name_out = strdup(str);
return (*name_out == NULL) ? ENOMEM : 0;
} else if (profile_get_string(context->profile, KRB5_CONF_LIBDEFAULTS,
KRB5_CONF_DEFAULT_KEYTAB_NAME, NULL, NULL,
&str) == 0 && str != NULL) {
ret = k5_expand_path_tokens(context, str, name_out);
profile_release_string(str);
return ret;
} else {
return k5_expand_path_tokens(context, DEFKTNAME, name_out);
}
}
krb5_error_code
k5_kt_client_default_name(krb5_context context, char **name_out)
{
krb5_error_code ret;
char *str;
if (context->profile_secure == FALSE &&
(str = getenv("KRB5_CLIENT_KTNAME")) != NULL) {
*name_out = strdup(str);
return (*name_out == NULL) ? ENOMEM : 0;
} else if (profile_get_string(context->profile, KRB5_CONF_LIBDEFAULTS,
KRB5_CONF_DEFAULT_CLIENT_KEYTAB_NAME, NULL,
NULL, &str) == 0 && str != NULL) {
ret = k5_expand_path_tokens(context, str, name_out);
profile_release_string(str);
return ret;
} else {
return k5_expand_path_tokens(context, DEFCKTNAME, name_out);
}
}
krb5_error_code KRB5_CALLCONV
krb5_kt_default_name(krb5_context context, char *name, int name_size)
{
krb5_error_code ret;
unsigned int namesize = (name_size < 0 ? 0 : name_size);
char *ktname;
ret = kt_default_name(context, &ktname);
if (ret)
return ret;
if (strlcpy(name, ktname, namesize) >= namesize)
ret = KRB5_CONFIG_NOTENUFSPACE;
free(ktname);
return ret;
}
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