#15630: patch for imap_utf7_encode() and imap_utf7_decode()
| From: | Gamid Isayev | Date: | Wed, 07 Aug 2002 20:25:44 +0000 |
| Subject: | #15630: patch for imap_utf7_encode() and imap_utf7_decode() | ||
| Groups: | php.dev | ||
| Request: | Send a blank email to php-dev+get-86612@lists.php.net to get a copy of this message | ||
--- php_imap.c 5 Aug 2002 21:53:09 -0000 1.134+++ php_imap.c 7 Aug 2002 20:21:05 -0000 @@ -2077,14 +2077,14 @@
php_error(E_WARNING, "%s(): Invalid modified UTF-7 character: `%c'", get_active_function_name(TSRMLS_C), *inp);
RETURN_FALSE;
} else if (*inp != '&') {
- outlen++;
+ outlen += 2;
} else if (inp + 1 == endp) {
php_error(E_WARNING, "%s(): Unexpected end of string", get_active_function_name(TSRMLS_C));
RETURN_FALSE;
} else if (inp[1] != '-') {
state = ST_DECODE0;
} else {
- outlen++;
+ outlen += 2;
inp++;
}
} else if (*inp == '-') {
@@ -2134,8 +2134,11 @@
if (*inp == '&' && inp[1] != '-') {
state = ST_DECODE0;
}
- else if ((*outp++ = *inp) == '&') {
- inp++;
+ else {
+ *outp++ = 0x00;
+ if ((*outp++ = *inp) == '&') {
+ inp++;
+ }
}
}
else if (*inp == '-') {
@@ -2213,15 +2216,21 @@
endp = (inp = in) + inlen;
while (inp < endp) {
if (state == ST_NORMAL) {
- if (SPECIAL(*inp)) {
+ if (*inp == 0x00 && *(inp+1) < 0x80) {
+ /* ASCII character */
+ if (*(inp+1) == '&')
+ outlen++; // for '-'
+ inp += 2;
+ } else {
+ /* begin encoding */
state = ST_ENCODE0;
- outlen++;
- } else if (*inp++ == '&') {
- outlen++;
+ outlen++; // for '&'
}
outlen++;
- } else if (!SPECIAL(*inp)) {
+ } else if (*inp == 0x00 && *(inp+1) < 0x80) {
state = ST_NORMAL;
+ if (*(inp+1) != '&')
+ outlen++; // for '-'
} else {
/* ST_ENCODE0 -> ST_ENCODE1 - two chars
* ST_ENCODE1 -> ST_ENCODE2 - one char
@@ -2233,8 +2242,8 @@
else if (state++ == ST_ENCODE0) {
outlen++;
}
- outlen++;
- inp++;
+ outlen += 2;
+ inp += 2;
}
}
@@ -2250,14 +2259,17 @@
endp = (inp = in) + inlen;
while (inp < endp || state != ST_NORMAL) {
if (state == ST_NORMAL) {
- if (SPECIAL(*inp)) {
+ if (*inp == 0x00 && *(inp+1) < 0x80) {
+ /* ASCII character */
+ inp++;
+ if ((*outp++ = *inp++) == '&')
+ *outp++ = '-';
+ } else {
/* begin encoding */
*outp++ = '&';
state = ST_ENCODE0;
- } else if ((*outp++ = *inp++) == '&') {
- *outp++ = '-';
}
- } else if (inp == endp || !SPECIAL(*inp)) {
+ } else if (inp == endp || (*inp == 0x00 && *(inp+1) < 0x80)) {
/* flush overflow and terminate region */
if (state != ST_ENCODE0) {
*outp++ = B64(*outp);