1/*
2 * Copyright (c) 2000-2001, Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *    This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: kiconv.c,v 1.3 2001/08/22 03:31:36 bp Exp $
33 * $FreeBSD$
34 */
35
36#include <sys/types.h>
37#include <sys/iconv.h>
38#include <sys/sysctl.h>
39#include <ctype.h>
40#include <errno.h>
41#include <string.h>
42
43#ifdef APPLE
44#include <sys/types.h>
45extern uid_t real_uid, eff_uid;
46#endif
47
48int
49kiconv_add_xlat_table(const char *to, const char *from, const u_char *table)
50{
51	struct iconv_add_in din;
52	struct iconv_add_out dout;
53	size_t olen;
54
55	if (strlen(from) >= ICONV_CSNMAXLEN || strlen(to) >= ICONV_CSNMAXLEN)
56		return EINVAL;
57	din.ia_version = ICONV_ADD_VER;
58	strcpy(din.ia_converter, "xlat");
59	strcpy(din.ia_from, from);
60	strcpy(din.ia_to, to);
61	din.ia_data = table;
62	din.ia_datalen = 256;
63	olen = sizeof(dout);
64#ifdef APPLE
65        seteuid(eff_uid); /* restore setuid root briefly */
66	if (sysctlbyname("net.smb.fs.iconv.add", &dout, &olen, &din, sizeof(din)) == -1) {
67        	seteuid(real_uid); /* and back to real user */
68		return errno;
69	}
70        seteuid(real_uid); /* and back to real user */
71#else
72	if (sysctlbyname("kern.iconv.add", &dout, &olen, &din, sizeof(din)) == -1)
73		return errno;
74#endif
75	return 0;
76}
77
78