Files
bind9/contrib/idn/mdnkit/lib/api.c
2001-06-09 00:30:55 +00:00

208 lines
6.1 KiB
C

#ifndef lint
static char *rcsid = "$Id: api.c,v 1.1 2001/06/09 00:30:12 tale Exp $";
#endif
/*
* Copyright (c) 2001 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, Fuundo Bldg., 1-2 Kanda Ogawamachi, Chiyoda-ku,
* Tokyo, 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) Japan Network Information Center. All rights reserved."
*
* 4. Neither the name of JPNIC may 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.
*
* 6. Indemnification by Licensee
* Any person or entities using and/or redistributing this Software under
* this License Terms and Conditions shall defend indemnify and hold
* harmless JPNIC from and against any and all judgements damages,
* expenses, settlement liabilities, cost and other liabilities of any
* kind as a result of use and redistribution of this Software or any
* claim, suite, action, litigation or proceeding by any third party
* arising out of or relates to this License Terms and Conditions.
*
* 7. Governing Law, Jurisdiction and Venue
* This License Terms and Conditions shall be governed by and and
* construed in accordance with the law of Japan. Any person or entities
* using and/or redistributing this Software under this License Terms and
* Conditions hereby agrees and consent to the personal and exclusive
* jurisdiction and venue of Tokyo District Court of Japan.
*/
#include <config.h>
#include <string.h>
#include <mdn/result.h>
#include <mdn/assert.h>
#include <mdn/log.h>
#include <mdn/logmacro.h>
#include <mdn/resconf.h>
#include <mdn/api.h>
#include <mdn/debug.h>
#include <mdn/res.h>
static struct actiondesc {
int bit;
char *desc;
} actiondesc[] = {
{ MDN_LOCALCONV, "local-conv" },
{ MDN_IDNCONV, "idn-conv" },
{ MDN_NAMEPREP, "nameprep" },
{ MDN_UNASCHECK, "unassigned-check" },
{ MDN_LOCALMAP, "local-map" },
{ MDN_DELIMMAP, "delimiter-map" },
{ 0, "" },
};
#define ENCODE_MASK \
(MDN_LOCALCONV|MDN_IDNCONV|MDN_NAMEPREP|MDN_UNASCHECK|\
MDN_DELIMMAP|MDN_LOCALMAP)
#define DECODE_MASK (MDN_LOCALCONV|MDN_IDNCONV)
static int initialized;
static mdn_resconf_t default_conf;
static char *actions_to_string(int actions);
mdn_result_t
mdn_nameinit(void) {
mdn_result_t r;
static int firsttime = 1;
TRACE(("mdn_nameinit()\n"));
initialized = 1;
if (firsttime) {
mdn_resconf_initialize();
firsttime = 0;
}
if (default_conf != NULL) {
mdn_resconf_destroy(default_conf);
default_conf = NULL;
}
if ((r = mdn_resconf_create(&default_conf)) == mdn_success) {
r = mdn_resconf_loadfile(default_conf, NULL);
}
return (r);
}
mdn_result_t
mdn_encodename(int actions, const char *from, char *to, size_t tolen) {
char buf[20];
char *p = buf;
mdn_result_t r;
assert(from != NULL && to != NULL);
TRACE(("mdn_encodename(actions=%s, from=\"%s\")\n",
actions_to_string(actions),
mdn_debug_xstring(from, 30)));
if (actions & ~ENCODE_MASK) {
WARNING(("mdn_encodename: invalid actions 0x%x\n", actions));
return mdn_invalid_action;
}
if (!initialized && ((r = mdn_nameinit()) != mdn_success))
return (r);
if (actions & MDN_LOCALCONV)
*p++ = 'l';
if (actions & MDN_LOCALMAP)
*p++ = 'd';
if (actions & MDN_LOCALMAP)
*p++ = 'M';
if (actions & MDN_NAMEPREP) {
p[0] = 'm';
p[1] = 'n';
p[2] = 'p';
p += 3;
}
if (actions & MDN_UNASCHECK)
*p++ = 'u';
if (actions & MDN_IDNCONV)
*p++ = 'I';
*p = '\0';
return (mdn_res_nameconv(default_conf, buf, from, to, tolen));
}
mdn_result_t
mdn_decodename(int actions, const char *from, char *to, size_t tolen) {
char buf[20];
char *p = buf;
mdn_result_t r;
assert(from != NULL && to != NULL);
TRACE(("mdn_decodename(actions=%s, from=\"%s\")\n",
actions_to_string(actions),
mdn_debug_xstring(from, 30)));
if (actions & ~DECODE_MASK) {
WARNING(("mdn_decodename: invalid actions 0x%x\n", actions));
return mdn_invalid_action;
}
if (!initialized && ((r = mdn_nameinit()) != mdn_success))
return (r);
if (actions & MDN_IDNCONV)
*p++ = 'i';
if (actions & MDN_LOCALCONV)
*p++ = 'L';
*p = '\0';
return (mdn_res_nameconv(default_conf, buf, from, to, tolen));
}
static char *
actions_to_string(int actions) {
static char buf[100];
int i;
int first = 1;
buf[0] = '\0';
for (i = 0; actiondesc[i].bit != 0; i++) {
if (actions & actiondesc[i].bit) {
if (!first)
strcat(buf, "|");
strcat(buf, actiondesc[i].desc);
first = 0;
}
}
return (buf);
}