1 | /*
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2 | * Unix SMB/CIFS implementation.
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3 | * Kerberos error mapping functions
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4 | * Copyright (C) Guenther Deschner 2005
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5 | *
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6 | * This program is free software; you can redistribute it and/or modify
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7 | * it under the terms of the GNU General Public License as published by
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8 | * the Free Software Foundation; either version 3 of the License, or
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9 | * (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, see <http://www.gnu.org/licenses/>.
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18 | */
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19 |
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20 | #include "includes.h"
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21 | #include "smb_krb5.h"
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22 |
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23 | #ifdef HAVE_KRB5
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24 |
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25 | static const struct {
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26 | krb5_error_code krb5_code;
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27 | NTSTATUS ntstatus;
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28 | } krb5_to_nt_status_map[] = {
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29 | {KRB5_CC_IO, NT_STATUS_UNEXPECTED_IO_ERROR},
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30 | {KRB5KDC_ERR_BADOPTION, NT_STATUS_INVALID_PARAMETER},
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31 | {KRB5KDC_ERR_CLIENT_REVOKED, NT_STATUS_ACCESS_DENIED},
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32 | {KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
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33 | {KRB5KDC_ERR_ETYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
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34 | #if defined(KRB5KDC_ERR_KEY_EXP) /* MIT */
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35 | {KRB5KDC_ERR_KEY_EXP, NT_STATUS_PASSWORD_EXPIRED},
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36 | #else /* old Heimdal releases have it with different name only in an enum: */
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37 | {KRB5KDC_ERR_KEY_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
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38 | #endif
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39 | {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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40 | {KRB5KDC_ERR_NULL_KEY, NT_STATUS_LOGON_FAILURE},
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41 | {KRB5KDC_ERR_POLICY, NT_STATUS_INVALID_WORKSTATION},
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42 | {KRB5KDC_ERR_PREAUTH_FAILED, NT_STATUS_LOGON_FAILURE},
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43 | {KRB5KDC_ERR_SERVICE_REVOKED, NT_STATUS_ACCESS_DENIED},
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44 | {KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
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45 | {KRB5KDC_ERR_SUMTYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
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46 | {KRB5KDC_ERR_TGT_REVOKED, NT_STATUS_ACCESS_DENIED},
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47 | {KRB5_KDC_UNREACH, NT_STATUS_NO_LOGON_SERVERS},
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48 | {KRB5KRB_AP_ERR_BAD_INTEGRITY, NT_STATUS_LOGON_FAILURE},
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49 | {KRB5KRB_AP_ERR_MODIFIED, NT_STATUS_LOGON_FAILURE},
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50 | {KRB5KRB_AP_ERR_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
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51 | {KRB5_KDCREP_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
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52 | {KRB5KRB_AP_ERR_TKT_EXPIRED, NT_STATUS_LOGON_FAILURE},
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53 | {KRB5KRB_ERR_GENERIC, NT_STATUS_UNSUCCESSFUL},
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54 | #if defined(KRB5KRB_ERR_RESPONSE_TOO_BIG)
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55 | {KRB5KRB_ERR_RESPONSE_TOO_BIG, NT_STATUS_PROTOCOL_UNREACHABLE},
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56 | #endif
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57 | {KRB5_CC_NOTFOUND, NT_STATUS_NO_SUCH_FILE},
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58 | {KRB5_FCC_NOFILE, NT_STATUS_NO_SUCH_FILE},
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59 | {KRB5_RC_MALLOC, NT_STATUS_NO_MEMORY},
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60 | {ENOMEM, NT_STATUS_NO_MEMORY},
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61 | {KRB5_REALM_CANT_RESOLVE, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND},
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62 |
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63 | /* Must be last entry */
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64 | {KRB5KDC_ERR_NONE, NT_STATUS_OK}
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65 | };
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66 |
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67 | static const struct {
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68 | NTSTATUS ntstatus;
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69 | krb5_error_code krb5_code;
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70 | } nt_status_to_krb5_map[] = {
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71 | {NT_STATUS_LOGON_FAILURE, KRB5KDC_ERR_PREAUTH_FAILED},
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72 | {NT_STATUS_NO_LOGON_SERVERS, KRB5_KDC_UNREACH},
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73 | {NT_STATUS_OK, 0}
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74 | };
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75 |
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76 | /*****************************************************************************
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77 | convert a KRB5 error to a NT status32 code
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78 | *****************************************************************************/
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79 | NTSTATUS krb5_to_nt_status(krb5_error_code kerberos_error)
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80 | {
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81 | int i;
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82 |
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83 | if (kerberos_error == 0) {
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84 | return NT_STATUS_OK;
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85 | }
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86 |
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87 | for (i=0; NT_STATUS_V(krb5_to_nt_status_map[i].ntstatus); i++) {
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88 | if (kerberos_error == krb5_to_nt_status_map[i].krb5_code)
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89 | return krb5_to_nt_status_map[i].ntstatus;
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90 | }
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91 |
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92 | return NT_STATUS_UNSUCCESSFUL;
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93 | }
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94 |
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95 | /*****************************************************************************
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96 | convert an NT status32 code to a KRB5 error
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97 | *****************************************************************************/
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98 | krb5_error_code nt_status_to_krb5(NTSTATUS nt_status)
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99 | {
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100 | int i;
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101 |
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102 | if NT_STATUS_IS_OK(nt_status) {
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103 | return 0;
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104 | }
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105 |
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106 | for (i=0; NT_STATUS_V(nt_status_to_krb5_map[i].ntstatus); i++) {
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107 | if (NT_STATUS_EQUAL(nt_status,nt_status_to_krb5_map[i].ntstatus))
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108 | return nt_status_to_krb5_map[i].krb5_code;
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109 | }
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110 |
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111 | return KRB5KRB_ERR_GENERIC;
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112 | }
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113 |
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114 | #endif
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115 |
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