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273 lines
8.1 KiB
C
273 lines
8.1 KiB
C
/*
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* Copyright (c) 1999, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Languages support. Currently is very primitive.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <strings.h>
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#include <locale.h>
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#include <netncp/ncp_lib.h>
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#include <netncp/ncp_cfg.h>
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#include <netncp/ncp_nls.h>
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#ifndef NCP_NLS_DEFAULT
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#define NCP_NLS_DEFAULT NCP_NLS_AS_IS
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#endif
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/*
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* TODO: Make all tables dynamically loadable.
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*/
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#ifdef NCP_NLS_KOI2CP866
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/* Russian tables from easy-cyrillic:
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* Copyright (C) 1993-1994 by Andrey A. Chernov, Moscow, Russia
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*/
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static u_int8_t alt2koi8[] = {
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
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0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
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0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
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0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
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0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
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0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
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0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa,
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0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
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0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe,
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0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1,
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0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda,
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0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
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0x90, 0x91, 0x92, 0x81, 0x87, 0xb2, 0xb4, 0xa7,
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0xa6, 0xb5, 0xa1, 0xa8, 0xae, 0xad, 0xac, 0x83,
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0x84, 0x89, 0x88, 0x86, 0x80, 0x8a, 0xaf, 0xb0,
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0xab, 0xa5, 0xbb, 0xb8, 0xb1, 0xa0, 0xbe, 0xb9,
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0xba, 0xb6, 0xb7, 0xaa, 0xa9, 0xa2, 0xa4, 0xbd,
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0xbc, 0x85, 0x82, 0x8d, 0x8c, 0x8e, 0x8f, 0x8b,
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0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde,
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0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1,
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0xb3, 0xa3, 0x99, 0x98, 0x93, 0x9b, 0x9f, 0x97,
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0x9c, 0x95, 0x9e, 0x96, 0xbf, 0x9d, 0x94, 0x9a
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};
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static u_int8_t koi82alt[] = {
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
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0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
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0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
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0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
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0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
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0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
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0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
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0xc4, 0xb3, 0xda, 0xbf, 0xc0, 0xd9, 0xc3, 0xb4, /* 0x80 */
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0xc2, 0xc1, 0xc5, 0xdf, 0xdc, 0xdb, 0xdd, 0xde,
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0xb0, 0xb1, 0xb2, 0xf4, 0xfe, 0xf9, 0xfb, 0xf7,
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0xf3, 0xf2, 0xff, 0xf5, 0xf8, 0xfd, 0xfa, 0xf6,
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0xcd, 0xba, 0xd5, 0xf1, 0xd6, 0xc9, 0xb8, 0xb7,
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0xbb, 0xd4, 0xd3, 0xc8, 0xbe, 0xbd, 0xbc, 0xc6,
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0xc7, 0xcc, 0xb5, 0xf0, 0xb6, 0xb9, 0xd1, 0xd2,
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0xcb, 0xcf, 0xd0, 0xca, 0xd8, 0xd7, 0xce, 0xfc,
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0xee, 0xa0, 0xa1, 0xe6, 0xa4, 0xa5, 0xe4, 0xa3,
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0xe5, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae,
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0xaf, 0xef, 0xe0, 0xe1, 0xe2, 0xe3, 0xa6, 0xa2,
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0xec, 0xeb, 0xa7, 0xe8, 0xed, 0xe9, 0xe7, 0xea,
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0x9e, 0x80, 0x81, 0x96, 0x84, 0x85, 0x94, 0x83,
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0x95, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e,
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0x8f, 0x9f, 0x90, 0x91, 0x92, 0x93, 0x86, 0x82, /* 0xf0 */
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0x9c, 0x9b, 0x87, 0x98, 0x9d, 0x99, 0x97, 0x9a
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};
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#endif
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static u_int8_t def2lower[256];
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static u_int8_t def2upper[256];
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/*
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* List of available charsets
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*/
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struct ncp_nlsdesc {
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int scheme;
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char *name;
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struct ncp_nlstables nls;
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};
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static struct ncp_nlsdesc ncp_nlslist[] = {
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{NCP_NLS_AS_IS, NCP_NLS_AS_IS_NAME,
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{def2lower, def2upper, NULL, NULL, 0}
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},
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#ifdef NCP_NLS_KOI2CP866
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{NCP_NLS_KOI_866, NCP_NLS_KOI_866_NAME,
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{def2lower, def2upper, alt2koi8, koi82alt, 0}
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},
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#endif
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{NULL, 0}
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};
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struct ncp_nlstables ncp_nls;
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int
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ncp_nls_setlocale(char *name) {
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int i;
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ncp_nls.to_lower = def2lower;
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ncp_nls.to_upper = def2upper;
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if (setlocale(LC_CTYPE, name) == NULL) {
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fprintf(stderr, "Can't set locale '%s'\n", name);
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return EINVAL;
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}
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for (i = 0; i < 256; i++) {
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ncp_nls.to_lower[i] = tolower(i);
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ncp_nls.to_upper[i] = toupper(i);
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}
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return 0;
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}
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int
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ncp_nls_setrecode(int scheme) {
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struct ncp_nlsdesc *nd;
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if (scheme == 0) {
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#if NCP_NLS_DEFAULT
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scheme = NCP_NLS_DEFAULT;
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#else
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scheme = NCP_NLS_AS_IS;
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#endif
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}
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for (nd = ncp_nlslist; nd->name; nd++) {
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if (nd->scheme != scheme) continue;
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ncp_nls.u2n = nd->nls.u2n;
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ncp_nls.n2u = nd->nls.n2u;
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return ncp_nls_setlocale("");
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}
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fprintf(stderr, "Character conversion scheme %d was not compiled in\n", scheme);
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return EINVAL;
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}
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int
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ncp_nls_setrecodebyname(char *name) {
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struct ncp_nlsdesc *nd;
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for (nd = ncp_nlslist; nd->name; nd++) {
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if (strcmp(nd->name, name) != 0) continue;
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ncp_nls.u2n = nd->nls.u2n;
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ncp_nls.n2u = nd->nls.n2u;
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return 0;
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}
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fprintf(stderr, "Character conversion scheme %s was not compiled in\n", name);
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return EINVAL;
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}
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char *
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ncp_nls_str_n2u(char *dst, const char *src) {
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char *p;
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if (ncp_nls.n2u == NULL) {
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return strcpy(dst, src);
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}
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p = dst;
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while (*src)
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*p++ = ncp_nls.n2u[(u_char)*(src++)];
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*p = 0;
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return dst;
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}
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char *
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ncp_nls_str_u2n(char *dst, const char *src) {
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char *p;
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if (ncp_nls.u2n == NULL) {
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return strcpy(dst, src);
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}
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p = dst;
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while (*src)
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*p++ = ncp_nls.u2n[(u_char)*(src++)];
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*p = 0;
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return dst;
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}
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char *
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ncp_nls_mem_n2u(char *dst, const char *src, int size) {
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char *p;
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if (size == 0) return NULL;
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if (ncp_nls.n2u == NULL) {
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return memcpy(dst, src, size);
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}
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for(p = dst; size; size--, p++)
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*p = ncp_nls.n2u[(u_char)*(src++)];
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return dst;
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}
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char *
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ncp_nls_mem_u2n(char *dst, const char *src, int size) {
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char *p;
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if (size == 0) return NULL;
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if (ncp_nls.u2n == NULL) {
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return strcpy(dst, src);
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}
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for(p = dst; size; size--, p++)
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*p = ncp_nls.u2n[(u_char)*(src++)];
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return dst;
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}
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char *
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ncp_str_upper(char *s) {
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char *p = s;
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while (*s) {
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*s = toupper(*s);
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s++;
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}
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return p;
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}
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