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/*
* Unix SMB/CIFS implementation.
* Kerberos error mapping functions
* Copyright (C) Guenther Deschner 2005
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#ifdef HAVE_KRB5
static const struct {
int krb5_code;
NTSTATUS ntstatus;
} krb5_to_nt_status_map[] = {
{KRB5_CC_IO, NT_STATUS_UNEXPECTED_IO_ERROR},
{KRB5KDC_ERR_BADOPTION, NT_STATUS_INVALID_PARAMETER},
{KRB5KDC_ERR_CLIENT_REVOKED, NT_STATUS_ACCESS_DENIED},
{KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
{KRB5KDC_ERR_ETYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
#if defined(KRB5KDC_ERR_KEY_EXPIRED) /* Heimdal */
{KRB5KDC_ERR_KEY_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
#elif defined(KRB5KDC_ERR_KEY_EXP) /* MIT */
{KRB5KDC_ERR_KEY_EXP, NT_STATUS_PASSWORD_EXPIRED},
#else
#error Neither KRB5KDC_ERR_KEY_EXPIRED nor KRB5KDC_ERR_KEY_EXP available
#endif
{25, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: bug in heimdal 0.7 krb5_get_init_creds_password (Inappropriate ioctl for device (25)) */
{KRB5KDC_ERR_NULL_KEY, NT_STATUS_LOGON_FAILURE},
{KRB5KDC_ERR_POLICY, NT_STATUS_PASSWORD_RESTRICTION},
{KRB5KDC_ERR_PREAUTH_FAILED, NT_STATUS_LOGON_FAILURE},
{KRB5KDC_ERR_SERVICE_REVOKED, NT_STATUS_ACCESS_DENIED},
{KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
{KRB5KDC_ERR_SUMTYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
{KRB5KDC_ERR_TGT_REVOKED, NT_STATUS_ACCESS_DENIED},
{KRB5_KDC_UNREACH, NT_STATUS_NO_LOGON_SERVERS},
{KRB5KRB_AP_ERR_BAD_INTEGRITY, NT_STATUS_LOGON_FAILURE},
{KRB5KRB_AP_ERR_MODIFIED, NT_STATUS_LOGON_FAILURE},
{KRB5KRB_AP_ERR_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
{KRB5KRB_AP_ERR_TKT_EXPIRED, NT_STATUS_LOGON_FAILURE},
{KRB5KRB_ERR_GENERIC, NT_STATUS_UNSUCCESSFUL},
{KRB5KRB_ERR_RESPONSE_TOO_BIG, NT_STATUS_PROTOCOL_UNREACHABLE},
{0, NT_STATUS_OK}
};
static const struct {
NTSTATUS ntstatus;
int krb5_code;
} nt_status_to_krb5_map[] = {
{NT_STATUS_LOGON_FAILURE, KRB5KDC_ERR_PREAUTH_FAILED},
{NT_STATUS_NO_LOGON_SERVERS, KRB5_KDC_UNREACH},
{NT_STATUS_OK, 0}
};
/*****************************************************************************
convert a KRB5 error to a NT status32 code
*****************************************************************************/
NTSTATUS krb5_to_nt_status(int kerberos_error)
{
int i;
if (kerberos_error == 0) {
return NT_STATUS_OK;
}
for (i=0; NT_STATUS_V(krb5_to_nt_status_map[i].ntstatus); i++) {
if (kerberos_error == krb5_to_nt_status_map[i].krb5_code)
return krb5_to_nt_status_map[i].ntstatus;
}
return NT_STATUS_UNSUCCESSFUL;
}
/*****************************************************************************
convert an NT status32 code to a KRB5 error
*****************************************************************************/
int nt_status_to_krb5(NTSTATUS nt_status)
{
int i;
if NT_STATUS_IS_OK(nt_status) {
return 0;
}
for (i=0; NT_STATUS_V(nt_status_to_krb5_map[i].ntstatus); i++) {
if (NT_STATUS_EQUAL(nt_status,nt_status_to_krb5_map[i].ntstatus))
return nt_status_to_krb5_map[i].krb5_code;
}
return KRB5KRB_ERR_GENERIC;
}
#else
/*****************************************************************************
convert a KRB5 error to a NT status32 code
*****************************************************************************/
NTSTATUS krb5_to_nt_status(int kerberos_error)
{
if (kerberos_error == 0) {
return NT_STATUS_OK;
}
return NT_STATUS_UNSUCCESSFUL;
}
/*****************************************************************************
convert an NT status32 code to a KRB5 error
*****************************************************************************/
int nt_status_to_krb5(NTSTATUS nt_status)
{
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_OK)) {
return 0;
}
return -1; /* FIXME: what to return here ? */
}
#endif
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