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 * Copyright 2021 RackTop Systems, Inc.
26 */
27
28 /*
29 * Translate Unix errno values to NT status, and NT status to
30 * DOS-style error class+code (for SMB1)
31 */
32
33 #include <smbsrv/smb_kproto.h>
34 #include <smbsrv/smb_kstat.h>
35
36 #include "smbclnt/smb_status2winerr.h"
37
38
39 /*
40 * Map Unix errno values to NT status values.
41 */
42
43 struct errno2status {
44 int errnum;
45 uint_t status;
46 };
47
48 static const struct errno2status
49 smb_errno2status_map[] = {
50 { EPERM, NT_STATUS_ACCESS_DENIED },
51 { ENOENT, NT_STATUS_OBJECT_NAME_NOT_FOUND },
52 /* NB: ESRCH is used in rename and stream ops. */
53 { ESRCH, NT_STATUS_NO_SUCH_FILE },
54 { EINTR, NT_STATUS_CANCELLED },
55 { EIO, NT_STATUS_IO_DEVICE_ERROR },
56 { ENXIO, NT_STATUS_BAD_DEVICE_TYPE },
57 /* E2BIG, ENOEXEC */
58 { EBADF, NT_STATUS_INVALID_HANDLE },
59 /* ECHILD, EAGAIN */
60 { ENOMEM, NT_STATUS_NO_MEMORY },
61 { EACCES, NT_STATUS_ACCESS_DENIED },
62 /* EFAULT, ENOTBLK, EBUSY */
63 { EEXIST, NT_STATUS_OBJECT_NAME_COLLISION },
64 { EXDEV, NT_STATUS_NOT_SAME_DEVICE },
65 { ENODEV, NT_STATUS_NO_SUCH_DEVICE },
66 { ENOTDIR, NT_STATUS_OBJECT_PATH_NOT_FOUND },
67 { EISDIR, NT_STATUS_FILE_IS_A_DIRECTORY },
68 { EINVAL, NT_STATUS_INVALID_PARAMETER },
69 { ENFILE, NT_STATUS_TOO_MANY_OPENED_FILES },
70 { EMFILE, NT_STATUS_TOO_MANY_OPENED_FILES },
71 { ENOTTY, NT_STATUS_INVALID_DEVICE_REQUEST },
72 /* ENOTTY, ETXTBSY, EFBIG */
73 { ENOSPC, NT_STATUS_DISK_FULL },
74 /* ESPIPE */
75 { EROFS, NT_STATUS_ACCESS_DENIED },
76 { EMLINK, NT_STATUS_TOO_MANY_LINKS },
77 { EPIPE, NT_STATUS_PIPE_BROKEN },
78 /* EDOM */
79 /* NB: ERANGE is used to represent lock range I/O conflicts. */
80 { ERANGE, NT_STATUS_FILE_LOCK_CONFLICT },
81 /* ENOMSG, EIDRM, ... */
82 { ENOTSUP, NT_STATUS_NOT_SUPPORTED },
83 { EDQUOT, NT_STATUS_DISK_FULL },
84 { EREMOTE, NT_STATUS_PATH_NOT_COVERED},
85 { ENAMETOOLONG, NT_STATUS_NAME_TOO_LONG },
86 { EILSEQ, NT_STATUS_OBJECT_NAME_INVALID },
87 { ENOTEMPTY, NT_STATUS_DIRECTORY_NOT_EMPTY },
88 { ENOTSOCK, NT_STATUS_INVALID_HANDLE },
89 { ESTALE, NT_STATUS_INVALID_HANDLE },
90 { 0, 0 }
91 };
92
93 uint_t
smb_errno2status(int errnum)94 smb_errno2status(int errnum)
95 {
96 const struct errno2status *es;
97
98 if (errnum == 0)
99 return (0);
100
101 for (es = smb_errno2status_map; es->errnum != 0; es++)
102 if (es->errnum == errnum)
103 return (es->status);
104
105 return (NT_STATUS_INTERNAL_ERROR);
106 }
107
108 /*
109 * Map NT Status codes to Win32 API error numbers.
110 * But note: we only want the ones below 0xFFFF,
111 * which can be returned in SMB with class=DOSERR.
112 */
113 uint16_t
smb_status2doserr(uint_t status)114 smb_status2doserr(uint_t status)
115 {
116 const struct status2winerr *sw;
117
118 if (status == 0)
119 return (0);
120
121 for (sw = smb_status2winerr_map; sw->status != 0; sw++)
122 if (sw->status == status && (sw->winerr < 0xFFFF))
123 return ((uint16_t)sw->winerr);
124
125 return (ERROR_GEN_FAILURE);
126 }
127