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freebsd-skq/lib/libncp/ncpl_nls.c
bp 27118745cb Add character translation table between Unix and NetWare according 
to Sweden standards.

Submitted by:	Roger Olofsson <roger.olofsson@kommun.engelholm.se>
MFC after:	1 week
2002-04-20 05:35:02 +00:00

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/*
* Copyright (c) 1999-2002, 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* Languages support. Currently is very primitive.
*/
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <strings.h>
#include <locale.h>
#include <netncp/ncp_lib.h>
#include <netncp/ncp_cfg.h>
#include <netncp/ncp_nls.h>
#ifndef NCP_NLS_DEFAULT
#define NCP_NLS_DEFAULT NCP_NLS_AS_IS
#endif
/*
* TODO: Make all tables dynamically loadable.
*/
#ifdef NCP_NLS_KOI2CP866
/* Russian tables from easy-cyrillic:
* Copyright (C) 1993-1994 by Andrey A. Chernov, Moscow, Russia
*/
static u_int8_t alt2koi8[] = {
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa,
0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe,
0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1,
0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda,
0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
0x90, 0x91, 0x92, 0x81, 0x87, 0xb2, 0xb4, 0xa7,
0xa6, 0xb5, 0xa1, 0xa8, 0xae, 0xad, 0xac, 0x83,
0x84, 0x89, 0x88, 0x86, 0x80, 0x8a, 0xaf, 0xb0,
0xab, 0xa5, 0xbb, 0xb8, 0xb1, 0xa0, 0xbe, 0xb9,
0xba, 0xb6, 0xb7, 0xaa, 0xa9, 0xa2, 0xa4, 0xbd,
0xbc, 0x85, 0x82, 0x8d, 0x8c, 0x8e, 0x8f, 0x8b,
0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde,
0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1,
0xb3, 0xa3, 0x99, 0x98, 0x93, 0x9b, 0x9f, 0x97,
0x9c, 0x95, 0x9e, 0x96, 0xbf, 0x9d, 0x94, 0x9a
};
static u_int8_t koi82alt[] = {
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0xc4, 0xb3, 0xda, 0xbf, 0xc0, 0xd9, 0xc3, 0xb4, /* 0x80 */
0xc2, 0xc1, 0xc5, 0xdf, 0xdc, 0xdb, 0xdd, 0xde,
0xb0, 0xb1, 0xb2, 0xf4, 0xfe, 0xf9, 0xfb, 0xf7,
0xf3, 0xf2, 0xff, 0xf5, 0xf8, 0xfd, 0xfa, 0xf6,
0xcd, 0xba, 0xd5, 0xf1, 0xd6, 0xc9, 0xb8, 0xb7,
0xbb, 0xd4, 0xd3, 0xc8, 0xbe, 0xbd, 0xbc, 0xc6,
0xc7, 0xcc, 0xb5, 0xf0, 0xb6, 0xb9, 0xd1, 0xd2,
0xcb, 0xcf, 0xd0, 0xca, 0xd8, 0xd7, 0xce, 0xfc,
0xee, 0xa0, 0xa1, 0xe6, 0xa4, 0xa5, 0xe4, 0xa3,
0xe5, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae,
0xaf, 0xef, 0xe0, 0xe1, 0xe2, 0xe3, 0xa6, 0xa2,
0xec, 0xeb, 0xa7, 0xe8, 0xed, 0xe9, 0xe7, 0xea,
0x9e, 0x80, 0x81, 0x96, 0x84, 0x85, 0x94, 0x83,
0x95, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e,
0x8f, 0x9f, 0x90, 0x91, 0x92, 0x93, 0x86, 0x82, /* 0xf0 */
0x9c, 0x9b, 0x87, 0x98, 0x9d, 0x99, 0x97, 0x9a
};
#endif
/*
* Characters mapping for codepages used in Sweden.
*/
static u_int8_t se_nw2unix[] = {
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0xe1, 0xe2, 0xf7, 0xe7, 0xE4, 0xc4, 0xE5, 0xfa, /* 0x80 */
0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xC4, 0xC5,
0xf2, 0xf3, 0xf4, 0xf5, 0xF6, 0xe8, 0xe3, 0xfe, /* 0x90 */
0xfb, 0xD6, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1,
0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda, /* 0xA0 */
0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
0x90, 0x91, 0x92, 0x81, 0x87, 0xb2, 0xb4, 0xa7, /* 0xB0 */
0xa6, 0xb5, 0xa1, 0xa8, 0xae, 0xad, 0xac, 0x83,
0x84, 0x89, 0x88, 0x86, 0x80, 0x8a, 0xaf, 0xb0, /* 0xC0 */
0xab, 0xa5, 0xbb, 0xb8, 0xb1, 0xa0, 0xbe, 0xb9,
0xba, 0xb6, 0xb7, 0xaa, 0xa9, 0xa2, 0xa4, 0xbd, /* 0xD0 */
0xbc, 0x85, 0x82, 0x8d, 0x8c, 0x8e, 0x8f, 0x8b,
0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde, /* 0xE0 */
0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1,
0xb3, 0xa3, 0x99, 0x98, 0x93, 0x9b, 0x9f, 0x97, /* 0xF0 */
0x9c, 0x95, 0x9e, 0x96, 0xbf, 0x9d, 0x94, 0x9a
};
static u_int8_t se_unix2nw[] = {
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0xc4, 0xb3, 0xda, 0xbf, 0xc0, 0xd9, 0xc3, 0xb4, /* 0x80 */
0xc2, 0xc1, 0xc5, 0xdf, 0xdc, 0xdb, 0xdd, 0xde,
0xb0, 0xb1, 0xb2, 0xf4, 0xfe, 0xf9, 0xfb, 0xf7, /* 0x90 */
0xf3, 0xf2, 0xff, 0xf5, 0xf8, 0xfd, 0xfa, 0xf6,
0xcd, 0xba, 0xd5, 0xf1, 0xd6, 0xc9, 0xb8, 0xb7, /* 0xA0 */
0xbb, 0xd4, 0xd3, 0xc8, 0xbe, 0xbd, 0xbc, 0xc6,
0xc7, 0xcc, 0xb5, 0xf0, 0xb6, 0xb9, 0xd1, 0xd2, /* 0xB0 */
0xcb, 0xcf, 0xd0, 0xca, 0xd8, 0xd7, 0xce, 0xfc,
0xee, 0xa0, 0xa1, 0xe6, 0x8E, 0x8F, 0xe4, 0xa3, /* 0xC0 */
0xe5, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae,
0xaf, 0xef, 0xe0, 0xe1, 0xe2, 0xe3, 0x99, 0xa2, /* 0xD0 */
0xec, 0xeb, 0xa7, 0xe8, 0xed, 0xe9, 0xe7, 0xea,
0x9e, 0x80, 0x81, 0x96, 0x84, 0x86, 0x94, 0x83, /* 0xE0 */
0x95, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e,
0x8f, 0x9f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x82, /* 0xf0 */
0x9c, 0x9b, 0x87, 0x98, 0x9d, 0x99, 0x97, 0x9a
};
static u_int8_t def2lower[256];
static u_int8_t def2upper[256];
/*
* List of available charsets
*/
struct ncp_nlsdesc {
int scheme;
char *name;
struct ncp_nlstables nls;
};
static struct ncp_nlsdesc ncp_nlslist[] = {
{NCP_NLS_AS_IS, NCP_NLS_AS_IS_NAME,
{def2lower, def2upper, NULL, NULL, 0}
},
#ifdef NCP_NLS_KOI2CP866
{NCP_NLS_KOI_866, NCP_NLS_KOI_866_NAME,
{def2lower, def2upper, alt2koi8, koi82alt, 0}
},
#endif
{NCP_NLS_SE, NCP_NLS_SE_NAME,
{def2lower, def2upper, se_nw2unix, se_unix2nw, 0}
},
{NULL, 0}
};
struct ncp_nlstables ncp_nls;
int
ncp_nls_setlocale(char *name) {
int i;
ncp_nls.to_lower = def2lower;
ncp_nls.to_upper = def2upper;
if (setlocale(LC_CTYPE, name) == NULL) {
fprintf(stderr, "Can't set locale '%s'\n", name);
return EINVAL;
}
for (i = 0; i < 256; i++) {
ncp_nls.to_lower[i] = tolower(i);
ncp_nls.to_upper[i] = toupper(i);
}
return 0;
}
int
ncp_nls_setrecode(int scheme) {
struct ncp_nlsdesc *nd;
if (scheme == 0) {
#if NCP_NLS_DEFAULT
scheme = NCP_NLS_DEFAULT;
#else
scheme = NCP_NLS_AS_IS;
#endif
}
for (nd = ncp_nlslist; nd->name; nd++) {
if (nd->scheme != scheme) continue;
ncp_nls.u2n = nd->nls.u2n;
ncp_nls.n2u = nd->nls.n2u;
return ncp_nls_setlocale("");
}
fprintf(stderr, "Character conversion scheme %d was not compiled in\n", scheme);
return EINVAL;
}
int
ncp_nls_setrecodebyname(char *name) {
struct ncp_nlsdesc *nd;
for (nd = ncp_nlslist; nd->name; nd++) {
if (strcmp(nd->name, name) != 0) continue;
ncp_nls.u2n = nd->nls.u2n;
ncp_nls.n2u = nd->nls.n2u;
return 0;
}
fprintf(stderr, "Character conversion scheme %s was not compiled in\n", name);
return EINVAL;
}
char *
ncp_nls_str_n2u(char *dst, const char *src) {
char *p;
if (ncp_nls.n2u == NULL) {
return strcpy(dst, src);
}
p = dst;
while (*src)
*p++ = ncp_nls.n2u[(u_char)*(src++)];
*p = 0;
return dst;
}
char *
ncp_nls_str_u2n(char *dst, const char *src) {
char *p;
if (ncp_nls.u2n == NULL) {
return strcpy(dst, src);
}
p = dst;
while (*src)
*p++ = ncp_nls.u2n[(u_char)*(src++)];
*p = 0;
return dst;
}
char *
ncp_nls_mem_n2u(char *dst, const char *src, int size) {
char *p;
if (size == 0) return NULL;
if (ncp_nls.n2u == NULL) {
return memcpy(dst, src, size);
}
for(p = dst; size; size--, p++)
*p = ncp_nls.n2u[(u_char)*(src++)];
return dst;
}
char *
ncp_nls_mem_u2n(char *dst, const char *src, int size) {
char *p;
if (size == 0) return NULL;
if (ncp_nls.u2n == NULL) {
return strcpy(dst, src);
}
for(p = dst; size; size--, p++)
*p = ncp_nls.u2n[(u_char)*(src++)];
return dst;
}
char *
ncp_str_upper(char *s) {
char *p = s;
while (*s) {
*s = toupper(*s);
s++;
}
return p;
}
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