1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2017 Nexenta Systems, Inc. All rights reserved.
25 */
26
27 /*
28 * Translate Unix errno values to NT status, and NT status to
29 * DOS-style error class+code (for SMB1)
30 */
31
32 #include <smbsrv/smb_kproto.h>
33 #include <smbsrv/smb_kstat.h>
34
35 #include "smbclnt/smb_status2winerr.h"
36
37
38 /*
39 * Map Unix errno values to NT status values.
40 */
41
42 struct errno2status {
43 int errnum;
44 uint_t status;
45 };
46
47 static const struct errno2status
48 smb_errno2status_map[] = {
49 { EPERM, NT_STATUS_ACCESS_DENIED },
50 { ENOENT, NT_STATUS_OBJECT_NAME_NOT_FOUND },
51 /* NB: ESRCH is used in rename and stream ops. */
52 { ESRCH, NT_STATUS_NO_SUCH_FILE },
53 { EINTR, NT_STATUS_CANCELLED },
54 { EIO, NT_STATUS_IO_DEVICE_ERROR },
55 { ENXIO, NT_STATUS_BAD_DEVICE_TYPE },
56 /* E2BIG, ENOEXEC */
57 { EBADF, NT_STATUS_INVALID_HANDLE },
58 /* ECHILD, EAGAIN */
59 { ENOMEM, NT_STATUS_NO_MEMORY },
60 { EACCES, NT_STATUS_ACCESS_DENIED },
61 /* EFAULT, ENOTBLK, EBUSY */
62 { EEXIST, NT_STATUS_OBJECT_NAME_COLLISION },
63 { EXDEV, NT_STATUS_NOT_SAME_DEVICE },
64 { ENODEV, NT_STATUS_NO_SUCH_DEVICE },
65 { ENOTDIR, NT_STATUS_OBJECT_PATH_NOT_FOUND },
66 { EISDIR, NT_STATUS_FILE_IS_A_DIRECTORY },
67 { EINVAL, NT_STATUS_INVALID_PARAMETER },
68 { ENFILE, NT_STATUS_TOO_MANY_OPENED_FILES },
69 { EMFILE, NT_STATUS_TOO_MANY_OPENED_FILES },
70 { ENOTTY, NT_STATUS_INVALID_DEVICE_REQUEST },
71 /* ENOTTY, ETXTBSY, EFBIG */
72 { ENOSPC, NT_STATUS_DISK_FULL },
73 /* ESPIPE */
74 { EROFS, NT_STATUS_ACCESS_DENIED },
75 { EMLINK, NT_STATUS_TOO_MANY_LINKS },
76 { EPIPE, NT_STATUS_PIPE_BROKEN },
77 /* EDOM */
78 /* NB: ERANGE is used to represent lock range I/O conflicts. */
79 { ERANGE, NT_STATUS_FILE_LOCK_CONFLICT },
80 /* ENOMSG, EIDRM, ... */
81 { ENOTSUP, NT_STATUS_NOT_SUPPORTED },
82 { EDQUOT, NT_STATUS_DISK_FULL },
83 { EREMOTE, NT_STATUS_PATH_NOT_COVERED},
84 { ENAMETOOLONG, NT_STATUS_OBJECT_NAME_INVALID },
85 { EILSEQ, NT_STATUS_OBJECT_NAME_INVALID },
86 { ENOTEMPTY, NT_STATUS_DIRECTORY_NOT_EMPTY },
87 { ENOTSOCK, NT_STATUS_INVALID_HANDLE },
88 { ESTALE, NT_STATUS_INVALID_HANDLE },
89 { 0, 0 }
90 };
91
92 uint_t
93 smb_errno2status(int errnum)
94 {
95 const struct errno2status *es;
96
97 if (errnum == 0)
98 return (0);
99
100 for (es = smb_errno2status_map; es->errnum != 0; es++)
101 if (es->errnum == errnum)
102 return (es->status);
103
104 return (NT_STATUS_INTERNAL_ERROR);
105 }
106
107 /*
108 * Map NT Status codes to Win32 API error numbers.
109 * But note: we only want the ones below 0xFFFF,
110 * which can be returned in SMB with class=DOSERR.
111 */
112 uint16_t
113 smb_status2doserr(uint_t status)
114 {
115 const struct status2winerr *sw;
116
117 if (status == 0)
118 return (0);
119
120 for (sw = smb_status2winerr_map; sw->status != 0; sw++)
121 if (sw->status == status && (sw->winerr < 0xFFFF))
122 return ((uint16_t)sw->winerr);
123
124 return (ERROR_GEN_FAILURE);
125 }