libsmbfs/smb/charsets.c

	charsets.c revision 4bff34e37def8a90f9194d81bc345c52ba20086a
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Copyright (c) 2001 Apple Computer, Inc. All rights reserved.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * @APPLE_LICENSE_HEADER_START@
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Reserved.  This file contains Original Code and/or Modifications of
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Original Code as defined in and that are subject to the Apple Public
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Source License Version 1.0 (the 'License').  You may not use this file
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * except in compliance with the License.  Please obtain a copy of the
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * License at http://www.apple.com/publicsource and read it before using
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * this file.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * The Original Code and all software distributed under the License are
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * License for the specific language governing rights and limitations
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * under the License."
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * @APPLE_LICENSE_HEADER_END@
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*      @(#)charsets.c      *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *      (c) 2004   Apple Computer, Inc.  All Rights Reserved
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *      charsets.c -- Routines converting between UTF-8, 16-bit
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *          little-endian Unicode, and various Windows
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *          code pages.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *      MODIFICATION HISTORY:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow *       28-Nov-2004     Guy Harris New today
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#pragma ident   "%Z%%M% %I% %E% SMI"
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <stdlib.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <stdio.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <string.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <ctype.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <iconv.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <langinfo.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <strings.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#ifdef NOTPORTED
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <CoreFoundation/CoreFoundation.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <CoreFoundation/CFStringDefaultEncoding.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <CoreFoundation/CFStringEncodingConverter.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <sys/mchain.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#endif /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <netsmb/smb_lib.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include <netsmb/mchain.h>
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#include "charsets.h"
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#ifdef NOTPORTED
4bff34e37def8a90f9194d81bc345c52ba20086athurlowextern   uid_t real_uid,eff_uid;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#endif /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * On Solaris, we will need to do some rewriting to use our iconv
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * routines for the conversions.  For now, we're effectively
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * stubbing out code, leaving the details of what happens on
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Darwin in case it's useful as a guide later.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlowstatic unsigned
4bff34e37def8a90f9194d81bc345c52ba20086athurlowxtoi(char u)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        if (isdigit(u))
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                return (u - '0');
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        else if (islower(u))
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                return (10 + u - 'a');
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        else if (isupper(u))
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                return (10 + u - 'A');
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return (16);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/* Removes the "%" escape sequences from a URL component.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * See IETF RFC 2396.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlowchar *
4bff34e37def8a90f9194d81bc345c52ba20086athurlowunpercent(char * component)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        char c, *s;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        unsigned hi, lo;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        if (component)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                for (s = component; (c = *s) != 0; s++) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                        if (c != '%')
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                                continue;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                        if ((hi = xtoi(s[1])) > 15 || (lo = xtoi(s[2])) > 15)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                                continue; /* ignore invalid escapes */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                        s[0] = hi*16 + lo;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                        /*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                         * This was strcpy(s + 1, s + 3);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                         * But nowadays leftward overlapping copies are
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                         * officially undefined in C.  Ours seems to
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                         * work or not depending upon alignment.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                         */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                        memmove(s+1, s+3, strlen(s+3) + 1);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return (component);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#ifdef NOTPORTED
4bff34e37def8a90f9194d81bc345c52ba20086athurlowstatic CFStringEncoding
4bff34e37def8a90f9194d81bc345c52ba20086athurlowget_windows_encoding_equivalent( void )
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFStringEncoding encoding;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    uint32_t index,region;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    /* important! use root ID so you can read the config file! */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    seteuid(eff_uid);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    __CFStringGetInstallationEncodingAndRegion(&index,&region);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    seteuid(real_uid);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    switch ( index )
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacRoman:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            if (region) /* anything nonzero is not US */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                encoding = kCFStringEncodingDOSLatin1;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            else /* US region */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                encoding = kCFStringEncodingDOSLatinUS;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacJapanese:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSJapanese;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacChineseTrad:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSChineseTrad;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacKorean:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSKorean;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacArabic:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSArabic;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacHebrew:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSHebrew;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacGreek:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSGreek;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacCyrillic:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSCyrillic;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacThai:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSThai;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacChineseSimp:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSChineseSimplif;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacCentralEurRoman:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSLatin2;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacTurkish:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSTurkish;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacCroatian:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSLatin2;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacIcelandic:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSIcelandic;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacRomanian:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSLatin2;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacFarsi:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSArabic;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        case    kCFStringEncodingMacUkrainian:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSCyrillic;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        default:
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            encoding = kCFStringEncodingDOSLatin1;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            break;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return encoding;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#endif /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * XXX - NLS, or CF?  We should probably use the same routine for all
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * conversions.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlowchar *
4bff34e37def8a90f9194d81bc345c52ba20086athurlowconvert_wincs_to_utf8(const char *windows_string)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#ifdef NOTPORTED
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFStringRef s;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFIndex maxlen;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    char *result;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    s = CFStringCreateWithCString(NULL, windows_string,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        get_windows_encoding_equivalent());
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (s == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("CFStringCreateWithCString for Windows code page failed on \"%s\" ", -1,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            windows_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        /* kCFStringEncodingMacRoman should always succeed */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        s = CFStringCreateWithCString(NULL, windows_string,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            kCFStringEncodingMacRoman);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        if (s == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            smb_error("CFStringCreateWithCString for Windows code page failed on \"%s\" with kCFStringEncodingMacRoman - skipping",
4bff34e37def8a90f9194d81bc345c52ba20086athurlow                -1, windows_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    maxlen = CFStringGetMaximumSizeForEncoding(CFStringGetLength(s),
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        kCFStringEncodingUTF8) + 1;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    result = malloc(maxlen);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (result == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("Couldn't allocate buffer for UTF-8 string for \"%s\" - skipping", -1,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            windows_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (!CFStringGetCString(s, result, maxlen, kCFStringEncodingUTF8)) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("CFStringGetCString for UTF-8 failed on \"%s\" - skipping",
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            -1, windows_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return result;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#else /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return ((char*)windows_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#endif /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * XXX - NLS, or CF?  We should probably use the same routine for all
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * conversions.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlowchar *
4bff34e37def8a90f9194d81bc345c52ba20086athurlowconvert_utf8_to_wincs(const char *utf8_string)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#ifdef NOTPORTED
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFStringRef s;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFIndex maxlen;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    char *result;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    s = CFStringCreateWithCString(NULL, utf8_string,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        kCFStringEncodingUTF8);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (s == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("CFStringCreateWithCString for UTF-8 failed on \"%s\"", -1,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            utf8_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    maxlen = CFStringGetMaximumSizeForEncoding(CFStringGetLength(s),
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        get_windows_encoding_equivalent()) + 1;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    result = malloc(maxlen);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (result == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("Couldn't allocate buffer for Windows code page string for \"%s\" - skipping", -1,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            utf8_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (!CFStringGetCString(s, result, maxlen,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        get_windows_encoding_equivalent())) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("CFStringGetCString for Windows code page failed on \"%s\" - skipping",
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            -1, utf8_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return result;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#else /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return ((char*)utf8_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#endif /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Convert little-endian Unicode string to UTF-8.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Converts the Unicode string to host byte order in place.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlowchar *
4bff34e37def8a90f9194d81bc345c52ba20086athurlowconvert_leunicode_to_utf8(unsigned short *unicode_string)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    unsigned short *unicode_charp, unicode_char;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    int len = 0;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    for (unicode_charp = unicode_string;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        (unicode_char = *unicode_charp) != 0;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        unicode_charp++) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        *unicode_charp = letohs(unicode_char);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        len = len + 2;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return (convert_unicode_to_utf8(unicode_string, len));
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlowchar *
4bff34e37def8a90f9194d81bc345c52ba20086athurlowconvert_unicode_to_utf8(unsigned short *unicode_string, int len)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    iconv_t cd;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    char    from[BUFSIZ], to[BUFSIZ];
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    char *tptr = NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    const char *fptr;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    size_t  ileft, oleft, ret;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    cd = iconv_open("UTF-8", "UTF-16");
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (cd != (iconv_t)-1) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        ileft = len;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        bcopy((char *)unicode_string, from, ileft);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        fptr = from;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        oleft = BUFSIZ;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        tptr = to;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        ret = iconv(cd, &fptr, &ileft, &tptr, &oleft);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        if (ret != (size_t)-1) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            to[BUFSIZ-oleft] = '\0';
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            tptr = to;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        } else {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            tptr = NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        (void) iconv_close(cd);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return (tptr);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow/*
4bff34e37def8a90f9194d81bc345c52ba20086athurlow * Convert UTF-8 string to little-endian Unicode.
4bff34e37def8a90f9194d81bc345c52ba20086athurlow */
4bff34e37def8a90f9194d81bc345c52ba20086athurlowunsigned short *
4bff34e37def8a90f9194d81bc345c52ba20086athurlowconvert_utf8_to_leunicode(const char *utf8_string)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow{
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#ifdef NOTPORTED
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFStringRef s;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFIndex maxlen;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    unsigned short *result;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFRange range;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    int i;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    s = CFStringCreateWithCString(NULL, utf8_string,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow         kCFStringEncodingUTF8);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (s == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("CFStringCreateWithCString for UTF-8 failed on \"%s\"", -1,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            utf8_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    maxlen = CFStringGetLength(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    result = malloc(2*(maxlen + 1));
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    if (result == NULL) {
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        smb_error("Couldn't allocate buffer for Unicode string for \"%s\" - skipping", -1,
4bff34e37def8a90f9194d81bc345c52ba20086athurlow            utf8_string);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        return NULL;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    }
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    range.location = 0;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    range.length = maxlen;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFStringGetCharacters(s, range, result);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    for (i = 0; i < maxlen; i++)
4bff34e37def8a90f9194d81bc345c52ba20086athurlow        result[i] = CFSwapInt16HostToLittle(result[i]);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    result[maxlen] = 0;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    CFRelease(s);
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return result;
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#else /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    /* LINTED */ /* XXX Really need to fix this! */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow    return ((ushort_t *)utf8_string); /* XXX */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow#endif /* NOTPORTED */
4bff34e37def8a90f9194d81bc345c52ba20086athurlow}