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/*
* convert.c - convert domain name
*/
/*
* Copyright (c) 2000,2002 Japan Network Information Center.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set forth bellow.
*
* LICENSE TERMS AND CONDITIONS
*
* The following License Terms and Conditions apply, unless a different
* license is obtained from Japan Network Information Center ("JPNIC"),
* a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
* Chiyoda-ku, Tokyo 101-0047, Japan.
*
* 1. Use, Modification and Redistribution (including distribution of any
* modified or derived work) in source and/or binary forms is permitted
* under this License Terms and Conditions.
*
* 2. Redistribution of source code must retain the copyright notices as they
* appear in each source code file, this License Terms and Conditions.
*
* 3. Redistribution in binary form must reproduce the Copyright Notice,
* this License Terms and Conditions, in the documentation and/or other
* materials provided with the distribution. For the purposes of binary
* distribution the "Copyright Notice" refers to the following language:
* "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
*
* 4. The name of JPNIC may not be used to endorse or promote products
* derived from this Software without specific prior written approval of
* JPNIC.
*
* 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
* "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 JPNIC 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 DAMAGES.
*/
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "wrapcommon.h"
/*
* prepare/dispose conversion context
*/
void
idnConvDone(idn_resconf_t ctx)
{
if (ctx != NULL) {
idnLogReset();
idn_resconf_destroy(ctx);
}
}
idn_resconf_t
idnConvInit(void)
{
char encoding[256];
idn_resconf_t ctx;
idn_result_t r;
idnLogReset();
idnLogPrintf(idn_log_level_info, "idnkit version: %-.20s\n",
idn_version_getstring());
/*
* Initialize.
*/
if ((r = idn_resconf_initialize()) != idn_success) {
idnPrintf("idnConvInit: cannot initialize idn library: %s\n",
idn_result_tostring(r));
return NULL;
}
if ((r = idn_resconf_create(&ctx)) != idn_success) {
idnPrintf("idnConvInit: cannot create context: %s\n",
idn_result_tostring(r));
return NULL;
}
/*
* load configuration file.
*/
if ((r = idn_resconf_loadfile(ctx, NULL)) != idn_success) {
idnPrintf("idnConvInit: cannot read configuration file: %s\n",
idn_result_tostring(r));
if ((r = idn_resconf_setdefaults(ctx)) != idn_success) {
idnPrintf("idnConvInit: setting default configuration"
" failed: %s\n",
idn_result_tostring(r));
idnConvDone(ctx);
return (NULL);
}
idnPrintf("idnConvInit: using default configuration\n");
}
/*
* Set local codeset.
*/
if (idnGetPrgEncoding(encoding, sizeof(encoding)) == TRUE) {
idnPrintf("Encoding PRG <%-.100s>\n", encoding);
r = idn_resconf_setlocalconvertername(ctx, encoding,
IDN_CONVERTER_RTCHECK);
if (r != idn_success) {
idnPrintf("idnConvInit: invalid local codeset "
"\"%-.100s\": %s\n",
encoding, idn_result_tostring(r));
idnConvDone(ctx);
return NULL;
}
}
return ctx;
}
/*
* idnConvReq - convert domain name in a DNS request
*
* convert local encoding to DNS encoding
*/
BOOL
idnConvReq(idn_resconf_t ctx, const char FAR *from, char FAR *to, size_t tolen)
{
idn_result_t r;
idnLogReset();
idnLogPrintf(idn_log_level_trace, "idnConvReq(from=%-.100s)\n", from);
if (ctx == NULL) {
idnLogPrintf(idn_log_level_trace, "idnConvReq: ctx is NULL\n");
if (strlen(from) >= tolen)
return FALSE;
strcpy(to, from);
return TRUE;
}
r = idn_res_encodename(ctx, IDN_ENCODE_APP, from, to, tolen);
if (r == idn_success) {
return TRUE;
} else {
return FALSE;
}
}
/*
* idnConvRsp - convert domain name in a DNS response
*
* convert DNS encoding to local encoding
*/
BOOL
idnConvRsp(idn_resconf_t ctx, const char FAR *from, char FAR *to, size_t tolen)
{
idnLogReset();
idnLogPrintf(idn_log_level_trace, "idnConvRsp(from=%-.100s)\n", from);
if (ctx == NULL) {
if (strlen(from) >= tolen)
return FALSE;
strcpy(to, from);
return TRUE;
} else if (idn_res_decodename(ctx, IDN_DECODE_APP,
from, to, tolen) == idn_success) {
return TRUE;
} else {
return FALSE;
}
}
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