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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr.h"
#include "arch/win32/apr_arch_utf8.h"
#include <wchar.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
struct testval {
unsigned char n[8];
apr_size_t nl;
wchar_t w[4];
apr_size_t wl;
};
#ifdef FOR_REFERENCE
/* For reference; a table of invalid utf-8 encoded ucs-2/ucs-4 sequences.
* The table consists of start, end pairs for all invalid ranges.
* NO_UCS2_PAIRS will pass the reservered D800-DFFF values, halting at FFFF
* FULL_UCS4_MAPPER represents all 31 bit values to 7FFF FFFF
*
* We already tested these, because we ensure there is a 1:1 mapping across
* the entire range of byte values in each position of 1 to 6 byte sequences.
*/
struct testval malformed[] = [
[[0x80,], 1,], /* 10000000 64 invalid leading continuation values */
[[0xBF,], 1,], /* 10111111 64 invalid leading continuation values */
[[0xC0,0x80], 2,], /* overshort mapping of 0000 */
[[0xC1,0xBF], 2,], /* overshort mapping of 007F */
[[0xE0,0x80,0x80,], 3,], /* overshort mapping of 0000 */
[[0xE0,0x9F,0xBF,], 3,], /* overshort mapping of 07FF */
#ifndef NO_UCS2_PAIRS
[[0xED,0xA0,0x80,], 3,], /* unexpected mapping of UCS-2 literal D800 */
[[0xED,0xBF,0xBF,], 3,], /* unexpected mapping of UCS-2 literal DFFF */
#endif
[[0xF0,0x80,0x80,0x80,], 4,], /* overshort mapping of 0000 */
[[0xF0,0x8F,0xBF,0xBF,], 4,], /* overshort mapping of FFFF */
#ifdef NO_UCS2_PAIRS
[[0xF0,0x90,0x80,0x80,], 4,], /* invalid too large value 0001 0000 */
[[0xF4,0x8F,0xBF,0xBF,], 4,], /* invalid too large value 0010 FFFF */
#endif
#ifndef FULL_UCS4_MAPPER
[[0xF4,0x90,0x80,0x80,], 4,], /* invalid too large value 0011 0000 */
[[0xF7,0xBF,0xBF,0xBF,], 4,], /* invalid too large value 001F FFFF */
#endif
[[0xF8,0x80,0x80,0x80,0x80,], 5,], /* overshort mapping of 0000 0000 */
[[0xF8,0x87,0xBF,0xBF,0xBF,], 5,], /* overshort mapping of 001F FFFF */
#ifndef FULL_UCS4_MAPPER
[[0xF8,0x88,0x80,0x80,0x80,], 5,], /* invalid too large value 0020 0000 */
[[0xFB,0xBF,0xBF,0xBF,0xBF,], 5,], /* invalid too large value 03FF FFFF */
#endif
[[0xFC,0x80,0x80,0x80,0x80,0x80,], 6,], /* overshort mapping 0000 0000 */
[[0xFC,0x83,0xBF,0xBF,0xBF,0xBF,], 6,], /* overshort mapping 03FF FFFF */
#ifndef FULL_UCS4_MAPPER
[[0xFC,0x84,0x80,0x80,0x80,0x80,], 6,], /* overshort mapping 0400 0000 */
[[0xFD,0xBF,0xBF,0xBF,0xBF,0xBF,], 6,], /* overshort mapping 7FFF FFFF */
#endif
[[0xFE,], 1,], /* 11111110 invalid "too large" value, no 7 byte seq */
[[0xFF,], 1,], /* 11111111 invalid "too large" value, no 8 byte seq */
];
#endif /* FOR_REFERENCE */
void displaynw(struct testval *f, struct testval *l)
{
char x[80], *t = x;
int i;
for (i = 0; i < f->nl; ++i)
t += sprintf(t, "%02X ", f->n[i]);
*(t++) = '-';
for (i = 0; i < l->nl; ++i)
t += sprintf(t, " %02X", l->n[i]);
*(t++) = ' ';
*(t++) = '=';
*(t++) = ' ';
for (i = 0; i < f->wl; ++i)
t += sprintf(t, "%04X ", f->w[i]);
*(t++) = '-';
for (i = 0; i < l->wl; ++i)
t += sprintf(t, " %04X", l->w[i]);
*t = '\0';
puts(x);
}
/*
* Test every possible byte value.
* If the test passes or fails at this byte value we are done.
* Otherwise iterate test_nrange again, appending another byte.
*/
void test_nrange(struct testval *p)
{
struct testval f, l, s;
apr_status_t rc;
int success = 0;
memcpy (&s, p, sizeof(s));
++s.nl;
do {
apr_size_t nl = s.nl, wl = sizeof(s.w) / 2;
rc = apr_conv_utf8_to_ucs2(s.n, &nl, s.w, &wl);
s.wl = (sizeof(s.w) / 2) - wl;
if (!nl && rc == APR_SUCCESS) {
if (!success) {
memcpy(&f, &s, sizeof(s));
success = -1;
}
else {
if (s.wl != l.wl
|| memcmp(s.w, l.w, (s.wl - 1) * 2) != 0
|| s.w[s.wl - 1] != l.w[l.wl - 1] + 1) {
displaynw(&f, &l);
memcpy(&f, &s, sizeof(s));
}
}
memcpy(&l, &s, sizeof(s));
}
else {
if (success) {
displaynw(&f, &l);
success = 0;
}
if (rc == APR_INCOMPLETE) {
test_nrange(&s);
}
}
} while (++s.n[s.nl - 1]);
if (success) {
displaynw(&f, &l);
success = 0;
}
}
/*
* Test every possible word value.
* Once we are finished, retest every possible word value.
* if the test fails on the following null word, iterate test_nrange
* again, appending another word.
* This assures the output order of the two tests are in sync.
*/
void test_wrange(struct testval *p)
{
struct testval f, l, s;
apr_status_t rc;
int success = 0;
memcpy (&s, p, sizeof(s));
++s.wl;
do {
apr_size_t nl = sizeof(s.n), wl = s.wl;
rc = apr_conv_ucs2_to_utf8(s.w, &wl, s.n, &nl);
s.nl = sizeof(s.n) - nl;
if (!wl && rc == APR_SUCCESS) {
if (!success) {
memcpy(&f, &s, sizeof(s));
success = -1;
}
else {
if (s.nl != l.nl
|| memcmp(s.n, l.n, s.nl - 1) != 0
|| s.n[s.nl - 1] != l.n[l.nl - 1] + 1) {
displaynw(&f, &l);
memcpy(&f, &s, sizeof(s));
}
}
memcpy(&l, &s, sizeof(s));
}
else {
if (success) {
displaynw(&f, &l);
success = 0;
}
}
} while (++s.w[s.wl - 1]);
if (success) {
displaynw(&f, &l);
success = 0;
}
do {
apr_size_t wl = s.wl, nl = sizeof(s.n);
rc = apr_conv_ucs2_to_utf8(s.w, &wl, s.n, &nl);
s.nl = sizeof(s.n) - s.nl;
if (rc == APR_INCOMPLETE) {
test_wrange(&s);
}
} while (++s.w[s.wl - 1]);
}
/*
* Test every possible byte value.
* If the test passes or fails at this byte value we are done.
* Otherwise iterate test_nrange again, appending another byte.
*/
void test_ranges()
{
struct testval ntest, wtest;
apr_status_t nrc, wrc;
apr_size_t inlen;
unsigned long matches = 0;
memset(&ntest, 0, sizeof(ntest));
++ntest.nl;
memset(&wtest, 0, sizeof(wtest));
++wtest.wl;
do {
do {
inlen = ntest.nl;
ntest.wl = sizeof(ntest.w) / 2;
nrc = apr_conv_utf8_to_ucs2(ntest.n, &inlen, ntest.w, &ntest.wl);
if (nrc == APR_SUCCESS) {
ntest.wl = (sizeof(ntest.w) / 2) - ntest.wl;
break;
}
if (nrc == APR_INCOMPLETE) {
++ntest.nl;
if (ntest.nl > 6) {
printf ("\n\nUnexpected utf8 sequence of >6 bytes;\n");
exit(255);
}
continue;
}
else {
while (!(++ntest.n[ntest.nl - 1])) {
if (!(--ntest.nl))
break;
}
}
} while (ntest.nl);
do {
inlen = wtest.wl;
wtest.nl = sizeof(wtest.n);
wrc = apr_conv_ucs2_to_utf8(wtest.w, &inlen, wtest.n, &wtest.nl);
if (wrc == APR_SUCCESS) {
wtest.nl = sizeof(wtest.n) - wtest.nl;
break;
}
else {
if (!(++wtest.w[wtest.wl - 1])) {
if (wtest.wl == 1)
++wtest.wl;
else
++wtest.w[0];
/* On the second pass, ensure lead word is incomplete */
do {
inlen = 1;
wtest.nl = sizeof(wtest.n);
if (apr_conv_ucs2_to_utf8(wtest.w, &inlen, wtest.n, &wtest.nl)
== APR_INCOMPLETE)
break;
if (!(++wtest.w[0])) {
wtest.wl = 0;
break;
}
} while (1);
}
}
} while (wtest.wl);
if (!ntest.nl && !wtest.wl)
break;
/* Identical? */
if ((wtest.nl != ntest.nl)
|| (memcmp(wtest.n, ntest.n, ntest.nl) != 0)
|| (wtest.wl != ntest.wl)
|| (memcmp(ntest.w, wtest.w, wtest.wl * 2) != 0)) {
printf ("\n\nMismatch of w/n conversion at;\n");
displaynw(&ntest, &wtest);
exit(255);
}
++matches;
while (!(++ntest.n[ntest.nl - 1])) {
if (!(--ntest.nl))
break;
}
if (!(++wtest.w[wtest.wl - 1])) {
if (wtest.wl == 1)
++wtest.wl;
else
++wtest.w[0];
/* On the second pass, ensure lead word is incomplete */
do {
inlen = 1;
wtest.nl = sizeof(wtest.n);
if (apr_conv_ucs2_to_utf8(wtest.w, &inlen, wtest.n, &wtest.nl)
== APR_INCOMPLETE)
break;
if (!(++wtest.w[0])) {
wtest.wl = 0;
break;
}
} while (1);
}
} while (wtest.wl || ntest.nl);
printf ("\n\nutf8 and ucs2 sequences of %lu transformations matched OK.\n",
matches);
}
/*
* Syntax: testucs [w|n]
*
* If no arg or arg is not recognized, run equality sequence test.
*/
int main(int argc, char **argv)
{
struct testval s;
memset (&s, 0, sizeof(s));
if (argc >= 2 && apr_tolower(*argv[1]) != 'w') {
printf ("\n\nTesting Narrow Char Ranges\n");
test_nrange(&s);
}
else if (argc >= 2 && apr_tolower(*argv[1]) != 'n') {
printf ("\n\nTesting Wide Char Ranges\n");
test_wrange(&s);
}
else {
test_ranges();
}
return 0;
}