xref: /freebsd-13-stable/lib/libsysdecode/errno.c (revision 3d497e17ebd33fe0f58d773e35ab994d750258d6)
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 #include <sys/param.h>
28 #include <sys/acl.h>
29 #include <sys/wait.h>
30 #include <errno.h>
31 #include <limits.h>
32 #include <stdbool.h>
33 #include <stdio.h>
34 #include <sysdecode.h>
35 
36 #if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
37 #include <compat/linux/linux_errno.h>
38 #include <compat/linux/linux_errno.inc>
39 #endif
40 
41 #include <contrib/cloudabi/cloudabi_types_common.h>
42 
43 static const int cloudabi_errno_table[] = {
44 	[CLOUDABI_E2BIG]		= E2BIG,
45 	[CLOUDABI_EACCES]		= EACCES,
46 	[CLOUDABI_EADDRINUSE]		= EADDRINUSE,
47 	[CLOUDABI_EADDRNOTAVAIL]	= EADDRNOTAVAIL,
48 	[CLOUDABI_EAFNOSUPPORT]		= EAFNOSUPPORT,
49 	[CLOUDABI_EAGAIN]		= EAGAIN,
50 	[CLOUDABI_EALREADY]		= EALREADY,
51 	[CLOUDABI_EBADF]		= EBADF,
52 	[CLOUDABI_EBADMSG]		= EBADMSG,
53 	[CLOUDABI_EBUSY]		= EBUSY,
54 	[CLOUDABI_ECANCELED]		= ECANCELED,
55 	[CLOUDABI_ECHILD]		= ECHILD,
56 	[CLOUDABI_ECONNABORTED]		= ECONNABORTED,
57 	[CLOUDABI_ECONNREFUSED]		= ECONNREFUSED,
58 	[CLOUDABI_ECONNRESET]		= ECONNRESET,
59 	[CLOUDABI_EDEADLK]		= EDEADLK,
60 	[CLOUDABI_EDESTADDRREQ]		= EDESTADDRREQ,
61 	[CLOUDABI_EDOM]			= EDOM,
62 	[CLOUDABI_EDQUOT]		= EDQUOT,
63 	[CLOUDABI_EEXIST]		= EEXIST,
64 	[CLOUDABI_EFAULT]		= EFAULT,
65 	[CLOUDABI_EFBIG]		= EFBIG,
66 	[CLOUDABI_EHOSTUNREACH]		= EHOSTUNREACH,
67 	[CLOUDABI_EIDRM]		= EIDRM,
68 	[CLOUDABI_EILSEQ]		= EILSEQ,
69 	[CLOUDABI_EINPROGRESS]		= EINPROGRESS,
70 	[CLOUDABI_EINTR]		= EINTR,
71 	[CLOUDABI_EINVAL]		= EINVAL,
72 	[CLOUDABI_EIO]			= EIO,
73 	[CLOUDABI_EISCONN]		= EISCONN,
74 	[CLOUDABI_EISDIR]		= EISDIR,
75 	[CLOUDABI_ELOOP]		= ELOOP,
76 	[CLOUDABI_EMFILE]		= EMFILE,
77 	[CLOUDABI_EMLINK]		= EMLINK,
78 	[CLOUDABI_EMSGSIZE]		= EMSGSIZE,
79 	[CLOUDABI_EMULTIHOP]		= EMULTIHOP,
80 	[CLOUDABI_ENAMETOOLONG]		= ENAMETOOLONG,
81 	[CLOUDABI_ENETDOWN]		= ENETDOWN,
82 	[CLOUDABI_ENETRESET]		= ENETRESET,
83 	[CLOUDABI_ENETUNREACH]		= ENETUNREACH,
84 	[CLOUDABI_ENFILE]		= ENFILE,
85 	[CLOUDABI_ENOBUFS]		= ENOBUFS,
86 	[CLOUDABI_ENODEV]		= ENODEV,
87 	[CLOUDABI_ENOENT]		= ENOENT,
88 	[CLOUDABI_ENOEXEC]		= ENOEXEC,
89 	[CLOUDABI_ENOLCK]		= ENOLCK,
90 	[CLOUDABI_ENOLINK]		= ENOLINK,
91 	[CLOUDABI_ENOMEM]		= ENOMEM,
92 	[CLOUDABI_ENOMSG]		= ENOMSG,
93 	[CLOUDABI_ENOPROTOOPT]		= ENOPROTOOPT,
94 	[CLOUDABI_ENOSPC]		= ENOSPC,
95 	[CLOUDABI_ENOSYS]		= ENOSYS,
96 	[CLOUDABI_ENOTCONN]		= ENOTCONN,
97 	[CLOUDABI_ENOTDIR]		= ENOTDIR,
98 	[CLOUDABI_ENOTEMPTY]		= ENOTEMPTY,
99 	[CLOUDABI_ENOTRECOVERABLE]	= ENOTRECOVERABLE,
100 	[CLOUDABI_ENOTSOCK]		= ENOTSOCK,
101 	[CLOUDABI_ENOTSUP]		= ENOTSUP,
102 	[CLOUDABI_ENOTTY]		= ENOTTY,
103 	[CLOUDABI_ENXIO]		= ENXIO,
104 	[CLOUDABI_EOVERFLOW]		= EOVERFLOW,
105 	[CLOUDABI_EOWNERDEAD]		= EOWNERDEAD,
106 	[CLOUDABI_EPERM]		= EPERM,
107 	[CLOUDABI_EPIPE]		= EPIPE,
108 	[CLOUDABI_EPROTO]		= EPROTO,
109 	[CLOUDABI_EPROTONOSUPPORT]	= EPROTONOSUPPORT,
110 	[CLOUDABI_EPROTOTYPE]		= EPROTOTYPE,
111 	[CLOUDABI_ERANGE]		= ERANGE,
112 	[CLOUDABI_EROFS]		= EROFS,
113 	[CLOUDABI_ESPIPE]		= ESPIPE,
114 	[CLOUDABI_ESRCH]		= ESRCH,
115 	[CLOUDABI_ESTALE]		= ESTALE,
116 	[CLOUDABI_ETIMEDOUT]		= ETIMEDOUT,
117 	[CLOUDABI_ETXTBSY]		= ETXTBSY,
118 	[CLOUDABI_EXDEV]		= EXDEV,
119 	[CLOUDABI_ENOTCAPABLE]		= ENOTCAPABLE,
120 };
121 
122 int
sysdecode_abi_to_freebsd_errno(enum sysdecode_abi abi,int error)123 sysdecode_abi_to_freebsd_errno(enum sysdecode_abi abi, int error)
124 {
125 
126 	switch (abi) {
127 	case SYSDECODE_ABI_FREEBSD:
128 	case SYSDECODE_ABI_FREEBSD32:
129 		return (error);
130 #if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
131 	case SYSDECODE_ABI_LINUX:
132 	case SYSDECODE_ABI_LINUX32: {
133 		unsigned int i;
134 
135 		/*
136 		 * This is imprecise since it returns the first
137 		 * matching errno.
138 		 */
139 		for (i = 0; i < nitems(linux_errtbl); i++) {
140 			if (error == linux_errtbl[i])
141 				return (i);
142 		}
143 		break;
144 	}
145 #endif
146 	case SYSDECODE_ABI_CLOUDABI32:
147 	case SYSDECODE_ABI_CLOUDABI64:
148 		if (error >= 0 &&
149 		    (unsigned int)error < nitems(cloudabi_errno_table))
150 			return (cloudabi_errno_table[error]);
151 		break;
152 	default:
153 		break;
154 	}
155 	return (INT_MAX);
156 }
157 
158 int
sysdecode_freebsd_to_abi_errno(enum sysdecode_abi abi,int error)159 sysdecode_freebsd_to_abi_errno(enum sysdecode_abi abi, int error)
160 {
161 
162 	switch (abi) {
163 	case SYSDECODE_ABI_FREEBSD:
164 	case SYSDECODE_ABI_FREEBSD32:
165 		return (error);
166 #if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
167 	case SYSDECODE_ABI_LINUX:
168 	case SYSDECODE_ABI_LINUX32:
169 		if (error >= 0 && error <= ELAST)
170 			return (linux_errtbl[error]);
171 		break;
172 #endif
173 	case SYSDECODE_ABI_CLOUDABI32:
174 	case SYSDECODE_ABI_CLOUDABI64: {
175 		unsigned int i;
176 
177 		for (i = 0; i < nitems(cloudabi_errno_table); i++) {
178 			if (error == cloudabi_errno_table[i])
179 				return (i);
180 		}
181 		break;
182 	}
183 	default:
184 		break;
185 	}
186 	return (INT_MAX);
187 }
188 
189