1/*-
2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD$");
28
29#include <sys/param.h>
30#include <sys/acl.h>
31#include <sys/wait.h>
32#include <errno.h>
33#include <limits.h>
34#include <stdbool.h>
35#include <stdio.h>
36#include <sysdecode.h>
37
38#if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
39static
40#include <compat/linux/linux_errno.inc>
41#endif
42
43#include <contrib/cloudabi/cloudabi_types_common.h>
44
45static const int cloudabi_errno_table[] = {
46	[CLOUDABI_E2BIG]		= E2BIG,
47	[CLOUDABI_EACCES]		= EACCES,
48	[CLOUDABI_EADDRINUSE]		= EADDRINUSE,
49	[CLOUDABI_EADDRNOTAVAIL]	= EADDRNOTAVAIL,
50	[CLOUDABI_EAFNOSUPPORT]		= EAFNOSUPPORT,
51	[CLOUDABI_EAGAIN]		= EAGAIN,
52	[CLOUDABI_EALREADY]		= EALREADY,
53	[CLOUDABI_EBADF]		= EBADF,
54	[CLOUDABI_EBADMSG]		= EBADMSG,
55	[CLOUDABI_EBUSY]		= EBUSY,
56	[CLOUDABI_ECANCELED]		= ECANCELED,
57	[CLOUDABI_ECHILD]		= ECHILD,
58	[CLOUDABI_ECONNABORTED]		= ECONNABORTED,
59	[CLOUDABI_ECONNREFUSED]		= ECONNREFUSED,
60	[CLOUDABI_ECONNRESET]		= ECONNRESET,
61	[CLOUDABI_EDEADLK]		= EDEADLK,
62	[CLOUDABI_EDESTADDRREQ]		= EDESTADDRREQ,
63	[CLOUDABI_EDOM]			= EDOM,
64	[CLOUDABI_EDQUOT]		= EDQUOT,
65	[CLOUDABI_EEXIST]		= EEXIST,
66	[CLOUDABI_EFAULT]		= EFAULT,
67	[CLOUDABI_EFBIG]		= EFBIG,
68	[CLOUDABI_EHOSTUNREACH]		= EHOSTUNREACH,
69	[CLOUDABI_EIDRM]		= EIDRM,
70	[CLOUDABI_EILSEQ]		= EILSEQ,
71	[CLOUDABI_EINPROGRESS]		= EINPROGRESS,
72	[CLOUDABI_EINTR]		= EINTR,
73	[CLOUDABI_EINVAL]		= EINVAL,
74	[CLOUDABI_EIO]			= EIO,
75	[CLOUDABI_EISCONN]		= EISCONN,
76	[CLOUDABI_EISDIR]		= EISDIR,
77	[CLOUDABI_ELOOP]		= ELOOP,
78	[CLOUDABI_EMFILE]		= EMFILE,
79	[CLOUDABI_EMLINK]		= EMLINK,
80	[CLOUDABI_EMSGSIZE]		= EMSGSIZE,
81	[CLOUDABI_EMULTIHOP]		= EMULTIHOP,
82	[CLOUDABI_ENAMETOOLONG]		= ENAMETOOLONG,
83	[CLOUDABI_ENETDOWN]		= ENETDOWN,
84	[CLOUDABI_ENETRESET]		= ENETRESET,
85	[CLOUDABI_ENETUNREACH]		= ENETUNREACH,
86	[CLOUDABI_ENFILE]		= ENFILE,
87	[CLOUDABI_ENOBUFS]		= ENOBUFS,
88	[CLOUDABI_ENODEV]		= ENODEV,
89	[CLOUDABI_ENOENT]		= ENOENT,
90	[CLOUDABI_ENOEXEC]		= ENOEXEC,
91	[CLOUDABI_ENOLCK]		= ENOLCK,
92	[CLOUDABI_ENOLINK]		= ENOLINK,
93	[CLOUDABI_ENOMEM]		= ENOMEM,
94	[CLOUDABI_ENOMSG]		= ENOMSG,
95	[CLOUDABI_ENOPROTOOPT]		= ENOPROTOOPT,
96	[CLOUDABI_ENOSPC]		= ENOSPC,
97	[CLOUDABI_ENOSYS]		= ENOSYS,
98	[CLOUDABI_ENOTCONN]		= ENOTCONN,
99	[CLOUDABI_ENOTDIR]		= ENOTDIR,
100	[CLOUDABI_ENOTEMPTY]		= ENOTEMPTY,
101	[CLOUDABI_ENOTRECOVERABLE]	= ENOTRECOVERABLE,
102	[CLOUDABI_ENOTSOCK]		= ENOTSOCK,
103	[CLOUDABI_ENOTSUP]		= ENOTSUP,
104	[CLOUDABI_ENOTTY]		= ENOTTY,
105	[CLOUDABI_ENXIO]		= ENXIO,
106	[CLOUDABI_EOVERFLOW]		= EOVERFLOW,
107	[CLOUDABI_EOWNERDEAD]		= EOWNERDEAD,
108	[CLOUDABI_EPERM]		= EPERM,
109	[CLOUDABI_EPIPE]		= EPIPE,
110	[CLOUDABI_EPROTO]		= EPROTO,
111	[CLOUDABI_EPROTONOSUPPORT]	= EPROTONOSUPPORT,
112	[CLOUDABI_EPROTOTYPE]		= EPROTOTYPE,
113	[CLOUDABI_ERANGE]		= ERANGE,
114	[CLOUDABI_EROFS]		= EROFS,
115	[CLOUDABI_ESPIPE]		= ESPIPE,
116	[CLOUDABI_ESRCH]		= ESRCH,
117	[CLOUDABI_ESTALE]		= ESTALE,
118	[CLOUDABI_ETIMEDOUT]		= ETIMEDOUT,
119	[CLOUDABI_ETXTBSY]		= ETXTBSY,
120	[CLOUDABI_EXDEV]		= EXDEV,
121	[CLOUDABI_ENOTCAPABLE]		= ENOTCAPABLE,
122};
123
124int
125sysdecode_abi_to_freebsd_errno(enum sysdecode_abi abi, int error)
126{
127
128	switch (abi) {
129	case SYSDECODE_ABI_FREEBSD:
130	case SYSDECODE_ABI_FREEBSD32:
131		return (error);
132#if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
133	case SYSDECODE_ABI_LINUX:
134	case SYSDECODE_ABI_LINUX32: {
135		unsigned int i;
136
137		/*
138		 * This is imprecise since it returns the first
139		 * matching errno.
140		 */
141		for (i = 0; i < nitems(linux_errtbl); i++) {
142			if (error == linux_errtbl[i])
143				return (i);
144		}
145		break;
146	}
147#endif
148	case SYSDECODE_ABI_CLOUDABI32:
149	case SYSDECODE_ABI_CLOUDABI64:
150		if (error >= 0 &&
151		    (unsigned int)error < nitems(cloudabi_errno_table))
152			return (cloudabi_errno_table[error]);
153		break;
154	default:
155		break;
156	}
157	return (INT_MAX);
158}
159
160int
161sysdecode_freebsd_to_abi_errno(enum sysdecode_abi abi, int error)
162{
163
164	switch (abi) {
165	case SYSDECODE_ABI_FREEBSD:
166	case SYSDECODE_ABI_FREEBSD32:
167		return (error);
168#if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
169	case SYSDECODE_ABI_LINUX:
170	case SYSDECODE_ABI_LINUX32:
171		if (error >= 0 && error <= ELAST)
172			return (linux_errtbl[error]);
173		break;
174#endif
175	case SYSDECODE_ABI_CLOUDABI32:
176	case SYSDECODE_ABI_CLOUDABI64: {
177		unsigned int i;
178
179		for (i = 0; i < nitems(cloudabi_errno_table); i++) {
180			if (error == cloudabi_errno_table[i])
181				return (i);
182		}
183		break;
184	}
185	default:
186		break;
187	}
188	return (INT_MAX);
189}
190
191