| 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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