freebsd-dev/contrib/smbfs/lib/smb/kiconv.c
2001-12-20 16:16:25 +00:00

76 lines
2.7 KiB
C

/*
* Copyright (c) 2000-2001, Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kiconv.c,v 1.3 2001/08/22 03:31:36 bp Exp $
*/
#include <sys/types.h>
#include <sys/iconv.h>
#include <sys/sysctl.h>
#include <ctype.h>
#include <errno.h>
#ifdef APPLE
#include <sys/types.h>
extern uid_t real_uid, eff_uid;
#endif
int
kiconv_add_xlat_table(const char *to, const char *from, const u_char *table)
{
struct iconv_add_in din;
struct iconv_add_out dout;
int olen;
if (strlen(from) > ICONV_CSNMAXLEN || strlen(to) > ICONV_CSNMAXLEN)
return EINVAL;
din.ia_version = ICONV_ADD_VER;
strcpy(din.ia_converter, "xlat");
strcpy(din.ia_from, from);
strcpy(din.ia_to, to);
din.ia_data = table;
din.ia_datalen = 256;
olen = sizeof(dout);
#ifdef APPLE
seteuid(eff_uid); /* restore setuid root briefly */
if (sysctlbyname("net.smb.fs.iconv.add", &dout, &olen, &din, sizeof(din)) == -1) {
seteuid(real_uid); /* and back to real user */
return errno;
}
seteuid(real_uid); /* and back to real user */
#else
if (sysctlbyname("kern.iconv.add", &dout, &olen, &din, sizeof(din)) == -1)
return errno;
#endif
return 0;
}