s3-kerberos: only use krb5 headers where required.
[samba.git] / source3 / libads / krb5_errs.c
1 /* 
2  *  Unix SMB/CIFS implementation.
3  *  Kerberos error mapping functions
4  *  Copyright (C) Guenther Deschner 2005
5  *  
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 3 of the License, or
9  *  (at your option) any later version.
10  *  
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *  
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include "includes.h"
21 #include "smb_krb5.h"
22
23 #ifdef HAVE_KRB5
24
25 static const struct {
26         krb5_error_code krb5_code;
27         NTSTATUS ntstatus;
28 } krb5_to_nt_status_map[] = {
29         {KRB5_CC_IO, NT_STATUS_UNEXPECTED_IO_ERROR},
30         {KRB5KDC_ERR_BADOPTION, NT_STATUS_INVALID_PARAMETER},
31         {KRB5KDC_ERR_CLIENT_REVOKED, NT_STATUS_ACCESS_DENIED},
32         {KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
33         {KRB5KDC_ERR_ETYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
34 #if defined(KRB5KDC_ERR_KEY_EXP) /* MIT */
35         {KRB5KDC_ERR_KEY_EXP, NT_STATUS_PASSWORD_EXPIRED},
36 #else /* old Heimdal releases have it with different name only in an enum: */
37         {KRB5KDC_ERR_KEY_EXPIRED, NT_STATUS_PASSWORD_EXPIRED},
38 #endif
39         {25, NT_STATUS_PASSWORD_EXPIRED}, /* FIXME: bug in heimdal 0.7 krb5_get_init_creds_password (Inappropriate ioctl for device (25)) */
40         {KRB5KDC_ERR_NULL_KEY, NT_STATUS_LOGON_FAILURE},
41         {KRB5KDC_ERR_POLICY, NT_STATUS_INVALID_WORKSTATION},
42         {KRB5KDC_ERR_PREAUTH_FAILED, NT_STATUS_LOGON_FAILURE},
43         {KRB5KDC_ERR_SERVICE_REVOKED, NT_STATUS_ACCESS_DENIED},
44         {KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN, NT_STATUS_INVALID_ACCOUNT_NAME},
45         {KRB5KDC_ERR_SUMTYPE_NOSUPP, NT_STATUS_LOGON_FAILURE},
46         {KRB5KDC_ERR_TGT_REVOKED, NT_STATUS_ACCESS_DENIED},
47         {KRB5_KDC_UNREACH, NT_STATUS_NO_LOGON_SERVERS},
48         {KRB5KRB_AP_ERR_BAD_INTEGRITY, NT_STATUS_LOGON_FAILURE},
49         {KRB5KRB_AP_ERR_MODIFIED, NT_STATUS_LOGON_FAILURE},
50         {KRB5KRB_AP_ERR_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
51         {KRB5_KDCREP_SKEW, NT_STATUS_TIME_DIFFERENCE_AT_DC},
52         {KRB5KRB_AP_ERR_TKT_EXPIRED, NT_STATUS_LOGON_FAILURE},
53         {KRB5KRB_ERR_GENERIC, NT_STATUS_UNSUCCESSFUL},
54 #if defined(KRB5KRB_ERR_RESPONSE_TOO_BIG)
55         {KRB5KRB_ERR_RESPONSE_TOO_BIG, NT_STATUS_PROTOCOL_UNREACHABLE},
56 #endif
57         {KRB5_CC_NOTFOUND, NT_STATUS_NO_SUCH_FILE},
58         {KRB5_FCC_NOFILE, NT_STATUS_NO_SUCH_FILE},
59         {KRB5_RC_MALLOC, NT_STATUS_NO_MEMORY},
60         {ENOMEM, NT_STATUS_NO_MEMORY},
61         {KRB5_REALM_CANT_RESOLVE, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND},
62
63         /* Must be last entry */
64         {KRB5KDC_ERR_NONE, NT_STATUS_OK}
65 };
66
67 static const struct {
68         NTSTATUS ntstatus;
69         krb5_error_code krb5_code;
70 } nt_status_to_krb5_map[] = {
71         {NT_STATUS_LOGON_FAILURE, KRB5KDC_ERR_PREAUTH_FAILED},
72         {NT_STATUS_NO_LOGON_SERVERS, KRB5_KDC_UNREACH},
73         {NT_STATUS_OK, 0}
74 };
75
76 /*****************************************************************************
77 convert a KRB5 error to a NT status32 code
78  *****************************************************************************/
79  NTSTATUS krb5_to_nt_status(krb5_error_code kerberos_error)
80 {
81         int i;
82         
83         if (kerberos_error == 0) {
84                 return NT_STATUS_OK;
85         }
86         
87         for (i=0; NT_STATUS_V(krb5_to_nt_status_map[i].ntstatus); i++) {
88                 if (kerberos_error == krb5_to_nt_status_map[i].krb5_code)
89                         return krb5_to_nt_status_map[i].ntstatus;
90         }
91
92         return NT_STATUS_UNSUCCESSFUL;
93 }
94
95 /*****************************************************************************
96 convert an NT status32 code to a KRB5 error
97  *****************************************************************************/
98  krb5_error_code nt_status_to_krb5(NTSTATUS nt_status)
99 {
100         int i;
101         
102         if NT_STATUS_IS_OK(nt_status) {
103                 return 0;
104         }
105         
106         for (i=0; NT_STATUS_V(nt_status_to_krb5_map[i].ntstatus); i++) {
107                 if (NT_STATUS_EQUAL(nt_status,nt_status_to_krb5_map[i].ntstatus))
108                         return nt_status_to_krb5_map[i].krb5_code;
109         }
110
111         return KRB5KRB_ERR_GENERIC;
112 }
113
114 #endif
115