[squid-dev] [PATCH] shell un-escaping squidclient -H option

Alex Rousskov rousskov at measurement-factory.com
Thu May 19 20:52:17 UTC 2016

On 05/19/2016 07:51 AM, Amos Jeffries wrote:
> The squidclient -H parameter takes a string with some limited
> shellescaped characters. Currently just \n was expanded to the CRLF
> sequence. Other shell escaped characters were left untouched.
> However, to properly test headers containing weird CR, LF and HTAB
> positioning it needs to be able to receive these special characters
> individually and thus unescape them.
> Add a new function similar to perform shell unescape with special
> characters \r, \n, and \t. All other characters are un-escaped to
> themselves. Including '\\'.

I recommend warning about unsupported escapes (at least). This does not
count \\ that is/should be supported, of course.

> +    unsigned char ch;
> +
> +    while ((ch = *p)) {

It looks like you meant to simply say

    while (unsigned char ch = *p) {

No objections to the patch either way -- I do not intend to review it.


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