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Viewing changes to source/libads/krb5_errs.c

  • Committer: jerry
  • Date: 2006-07-14 21:48:39 UTC
  • Revision ID: vcs-imports@canonical.com-20060714214839-586d8c489a8fcead
gutting trunk to move to svn:externals

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source/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 2 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, write to the Free Software
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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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#include "includes.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_EXPIRED) /* Heimdal */
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        {KRB5KDC_ERR_KEY_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
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#elif defined(KRB5KDC_ERR_KEY_EXP) /* MIT */
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        {KRB5KDC_ERR_KEY_EXP, NT_STATUS_PASSWORD_EXPIRED},
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#else 
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#error Neither KRB5KDC_ERR_KEY_EXPIRED nor KRB5KDC_ERR_KEY_EXP available
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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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        {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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        {0, 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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