On 04/06/2010 10:47 AM, Scott MacVicar wrote:
> On Apr 6, 2010, at 10:34 AM, Rasmus Lerdorf wrote:
> 
>> On 04/06/2010 10:08 AM, Justin Dearing wrote:
>>> So pending review an acceptance by Dmitry, I've written my first patch for
>>> PHP. While there is a good chance I will need to make further revisions to
>>> the test or code, I don't know what that is.
>>>
>>> However, I've  got some free time at the moment, and I'd like to make use of
>>> some of the sunk costs of figuring out how to hack PHP. So I know that in
>>> general  there is a lot of work to be done. I also know that there are
>>> plenty of open bugs, tests to be written, etc etc. What I am looking for is
>>> someone to say is "here are the next 10 bugs I will work on can you write me
>>> test" or "I wrote this patch on linux, I need someone to make it work on
>>> windows too" or, "Party X complains of this but refuses to fill out a proper
>>> bug report."
>>
>> Here is a straightforward (but not easy) one:
>>
>> http://bugs.php.net/bug.php?id=47435
>>
>> The php_filter_validate_ip() function in ext/filter/logical_filters.c
>> needs those reserved IPV6 ranges added to the FORMAT_IPV6 case in the
>> switch statement there when FILTER_FLAG_NO_RES_RANGE is set.  I say it
>> isn't super easy because we don't have much in the way of ipv6 parsing
>> in PHP yet, so it will probably involve finding some decent code that
>> can expand an ipv6 notation into something we can logically separate.
>> That might also mean a rewrite of the _php_filter_validate_ipv6()
>> function in the same file.
>>
>> Another one, if you are interested in encoding issues:
>>
>> http://bugs.php.net/bug.php?id=49687
>>
>> I don't necessarily agree with Scott that it is wrong to expect
>> addslashes() to validate the input string.  It could call
>> get_next_char() the same way php_escape_html_entities_ex() in
>> ext/standard/html.c does.  And we need that utf8_decode() fix mentioned
>> in the report reviewed/committed if it hasn't been already.
>>
> 
> I fixed utf8_decode and I had a patch for adding utf8_validate which is 
> probably suitable for 5.4.
> 
> http://whisky.macvicar.net/patches/utf8-string.diff.txt
> 
> It's not quite done, I had intentions of adding support for using truncate, 
> simple true / false for valid or the unicode replacement character.

My only issue with this is that it essentially duplicates the utf8 part
of get_next_char() from html.c.  I'd like to see cs parsing in one place
instead of spread out all over the code tree.  The get_next_char()
function also supports other charsets, so we could have a more generic
cs_validate() function along with utf8_validate().

-Rasmus

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