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webservices: Fix digit character checks. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-02-07 15:07:03 +01:00 committed by Alexandre Julliard
parent be403aac21
commit 29848ee3fd
1 changed files with 13 additions and 10 deletions
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23
dlls/webservices/url.c
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@ -87,11 +87,13 @@ static inline int url_decode_byte( char c1, char c2 )
if (c1 >= '0' && c1 <= '9') ret = (c1 - '0') * 16;
else if (c1 >= 'a' && c1 <= 'f') ret = (c1 - 'a' + 10) * 16;
else ret = (c1 - 'A' + 10) * 16;
else if (c1 >= 'A' && c1 <= 'F') ret = (c1 - 'A' + 10) * 16;
else return -1;
if (c2 >= '0' && c2 <= '9') ret += c2 - '0';
else if (c2 >= 'a' && c2 <= 'f') ret += c2 - 'a' + 10;
else ret += c2 - 'A' + 10;
else if (c2 >= 'A' && c2 <= 'F') ret += c2 - 'A' + 10;
else return -1;
return ret;
}
@ -102,15 +104,16 @@ static WCHAR *url_decode( WCHAR *str, ULONG len, WS_HEAP *heap, ULONG *ret_len )
BOOL decode = FALSE, convert = FALSE;
ULONG i, len_utf8, len_left;
unsigned char *utf8, *r;
int b;
*ret_len = len;
for (i = 0; i < len; i++, p++)
{
if ((len - i) < 3) break;
if (p[0] == '%' && iswxdigit( p[1] ) && iswxdigit( p[2] ))
if (p[0] == '%' && (b = url_decode_byte( p[1], p[2] )) != -1)
{
decode = TRUE;
if (url_decode_byte( p[1], p[2] ) > 159)
if (b > 159)
{
convert = TRUE;
break;
@ -125,9 +128,9 @@ static WCHAR *url_decode( WCHAR *str, ULONG len, WS_HEAP *heap, ULONG *ret_len )
p = str;
while (len)
{
if (len >= 3 && p[0] == '%' && iswxdigit( p[1] ) && iswxdigit( p[2] ))
if (len >= 3 && p[0] == '%' && (b = url_decode_byte( p[1], p[2] )) != -1)
{
*q++ = url_decode_byte( p[1], p[2] );
*q++ = b;
p += 3;
len -= 3;
}
@ -144,9 +147,9 @@ static WCHAR *url_decode( WCHAR *str, ULONG len, WS_HEAP *heap, ULONG *ret_len )
len_left = len_utf8;
while (len_left)
{
if (len_left >= 3 && r[0] == '%' && isxdigit( r[1] ) && isxdigit( r[2] ))
if (len_left >= 3 && r[0] == '%' && (b = url_decode_byte( r[1], r[2] )) != -1)
{
r[0] = url_decode_byte( r[1], r[2] );
r[0] = b;
len_left -= 3;
memmove( r + 1, r + 3, len_left );
len_utf8 -= 2;
@ -214,7 +217,7 @@ HRESULT WINAPI WsDecodeUrl( const WS_STRING *str, ULONG flags, WS_HEAP *heap, WS
if (len && *q == ':')
{
p = ++q; len--;
while (len && iswdigit( *q ))
while (len && '0' <= *q && *q <= '9')
{
if ((port = port * 10 + *q - '0') > 65535) goto done;
q++; len--;
@ -481,7 +484,7 @@ HRESULT WINAPI WsEncodeUrl( const WS_URL *base, ULONG flags, WS_HEAP *heap, WS_S
{
q = url->portAsString.chars;
len = url->portAsString.length;
while (len && iswdigit( *q ))
while (len && '0' <= *q && *q <= '9')
{
if ((port = port * 10 + *q - '0') > 65535)
{