Hello!

On Mon, Mar 25, 2013 at 03:11:10PM +0800, David Shee wrote:

> I'm Zuwen Shi from China,I find a unescape uri bug in your program.
> The source code location is src\core\ngx_string.c->ngx_unescape_uri
> If I put a string "%%s%elect",it convert the string to "%slect",and %% to
> %,%el to l,actually the right convert is "%%s%elect".

I would rather say that behaviour is undefined in case of
incorrect input, and both results are correct.

> So,I patch the ngx_unescape_uri like below,the red part is which I modified.

You may want to post unified diff into nginx-devel@ mailing list.
And please don't use html. Thank you.

--
Maxim Dounin
http://nginx.org/en/donation.html

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