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  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
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source3/libads/krb5_errs.c
 
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/* 
 
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 *  Unix SMB/CIFS implementation.
 
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 *  Kerberos error mapping functions
 
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 *  Copyright (C) Guenther Deschner 2005
 
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 *  
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; either version 3 of the License, or
 
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 *  (at your option) any later version.
 
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 *  
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *  
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 
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 */
 
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#include "includes.h"
 
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#include "smb_krb5.h"
 
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#ifdef HAVE_KRB5
 
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static const struct {
 
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        krb5_error_code krb5_code;
 
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        NTSTATUS ntstatus;
 
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} krb5_to_nt_status_map[] = {
 
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        {KRB5_CC_IO, NT_STATUS_UNEXPECTED_IO_ERROR},
 
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        {KRB5KDC_ERR_BADOPTION, NT_STATUS_INVALID_PARAMETER},
 
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        {KRB5KDC_ERR_CLIENT_REVOKED, NT_STATUS_ACCESS_DENIED},
 
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        {KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
 
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        {KRB5KDC_ERR_ETYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
 
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#if defined(KRB5KDC_ERR_KEY_EXP) /* MIT */
 
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        {KRB5KDC_ERR_KEY_EXP, NT_STATUS_PASSWORD_EXPIRED},
 
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#else /* old Heimdal releases have it with different name only in an enum: */
 
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        {KRB5KDC_ERR_KEY_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
 
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#endif
 
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        {25, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: bug in heimdal 0.7 krb5_get_init_creds_password (Inappropriate ioctl for device (25)) */
 
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        {KRB5KDC_ERR_NULL_KEY, NT_STATUS_LOGON_FAILURE},
 
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        {KRB5KDC_ERR_POLICY, NT_STATUS_INVALID_WORKSTATION},
 
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        {KRB5KDC_ERR_PREAUTH_FAILED, NT_STATUS_LOGON_FAILURE},
 
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        {KRB5KDC_ERR_SERVICE_REVOKED, NT_STATUS_ACCESS_DENIED},
 
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        {KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
 
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        {KRB5KDC_ERR_SUMTYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
 
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        {KRB5KDC_ERR_TGT_REVOKED, NT_STATUS_ACCESS_DENIED},
 
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        {KRB5_KDC_UNREACH, NT_STATUS_NO_LOGON_SERVERS},
 
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        {KRB5KRB_AP_ERR_BAD_INTEGRITY, NT_STATUS_LOGON_FAILURE},
 
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        {KRB5KRB_AP_ERR_MODIFIED, NT_STATUS_LOGON_FAILURE},
 
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        {KRB5KRB_AP_ERR_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
 
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        {KRB5_KDCREP_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
 
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        {KRB5KRB_AP_ERR_TKT_EXPIRED, NT_STATUS_LOGON_FAILURE},
 
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        {KRB5KRB_ERR_GENERIC, NT_STATUS_UNSUCCESSFUL},
 
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#if defined(KRB5KRB_ERR_RESPONSE_TOO_BIG)
 
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        {KRB5KRB_ERR_RESPONSE_TOO_BIG, NT_STATUS_PROTOCOL_UNREACHABLE},
 
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#endif
 
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        {KRB5_CC_NOTFOUND, NT_STATUS_NO_SUCH_FILE},
 
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        {KRB5_FCC_NOFILE, NT_STATUS_NO_SUCH_FILE},
 
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        {KRB5_RC_MALLOC, NT_STATUS_NO_MEMORY},
 
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        {ENOMEM, NT_STATUS_NO_MEMORY},
 
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        {KRB5_REALM_CANT_RESOLVE, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND},
 
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        /* Must be last entry */
 
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        {KRB5KDC_ERR_NONE, NT_STATUS_OK}
 
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};
 
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static const struct {
 
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        NTSTATUS ntstatus;
 
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        krb5_error_code krb5_code;
 
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} nt_status_to_krb5_map[] = {
 
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        {NT_STATUS_LOGON_FAILURE, KRB5KDC_ERR_PREAUTH_FAILED},
 
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        {NT_STATUS_NO_LOGON_SERVERS, KRB5_KDC_UNREACH},
 
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        {NT_STATUS_OK, 0}
 
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};
 
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/*****************************************************************************
 
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convert a KRB5 error to a NT status32 code
 
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 *****************************************************************************/
 
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 NTSTATUS krb5_to_nt_status(krb5_error_code kerberos_error)
 
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{
 
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        int i;
 
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        if (kerberos_error == 0) {
 
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                return NT_STATUS_OK;
 
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        }
 
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        for (i=0; NT_STATUS_V(krb5_to_nt_status_map[i].ntstatus); i++) {
 
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                if (kerberos_error == krb5_to_nt_status_map[i].krb5_code)
 
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                        return krb5_to_nt_status_map[i].ntstatus;
 
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        }
 
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        return NT_STATUS_UNSUCCESSFUL;
 
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}
 
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/*****************************************************************************
 
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convert an NT status32 code to a KRB5 error
 
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 *****************************************************************************/
 
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 krb5_error_code nt_status_to_krb5(NTSTATUS nt_status)
 
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{
 
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        int i;
 
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        if NT_STATUS_IS_OK(nt_status) {
 
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                return 0;
 
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        }
 
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        for (i=0; NT_STATUS_V(nt_status_to_krb5_map[i].ntstatus); i++) {
 
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                if (NT_STATUS_EQUAL(nt_status,nt_status_to_krb5_map[i].ntstatus))
 
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                        return nt_status_to_krb5_map[i].krb5_code;
 
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        }
 
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        return KRB5KRB_ERR_GENERIC;
 
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}
 
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#endif
 
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