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Posted to users@httpd.apache.org by Allasso Travesser <al...@gmail.com> on 2013/12/11 19:27:31 UTC
[users@httpd] cookie read/write in module handler
Hello,
I am attempting to write a cookie, then retrieve it later. I am doing this in a handler, using simple code found from (sparse) information I have gathered from google searches:
apr_table_set(r->headers_out, "Set-Cookie", "value");
char* cookie = apr_table_get(r->headers_in, "Set-Cookie");
ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, NULL, “cookie : %s", cookie);
I would expect that after the having a particular browser access the site twice, the second time the cookie should show up, but such is not that case, instead, no matter how many times I access, value read into “cookie” variable is always “NULL”.
Am I being naive about how to implement this? Or does this method not work in a handler?
Thank you kindly,
Allasso
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Re: [users@httpd] cookie read/write in module handler
Posted by Allasso Travesser <al...@gmail.com>.
Easy fix, my “cookie” wasn’t in the proper format.
“cookiename=value” works.
It as sending them, but the browser (Safari) wasn’t sending them back. (Firefox actually did send it back though, even without the proper format)
Thanks.
Allasso
On Dec 11, 2013, at 12:09 PM, Rainer M. Canavan <ra...@sevenval.com> wrote:
>
> On Dec 11, 2013, at 19:53 , Allasso Travesser <al...@gmail.com> wrote:
>
>>>> I am attempting to write a cookie, then retrieve it later. I am doing this in a handler, using simple code found from (sparse) information I have gathered from google searches:
>>>>
>>>> apr_table_set(r->headers_out, "Set-Cookie", "value");
>>>> char* cookie = apr_table_get(r->headers_in, "Set-Cookie");
>>>
>>> When it comes back, it's a "Cookie" not a "Set-Cookie”.
>>
>> thanks, that makes sense — unfortunately it didn’t work… :-(
>
>
> If you haven't done so already, use a custom LogFormat to log the outgoing
> Set-Cookie and the incoming Cookie Headers, and/or use your favourite web
> developer tools to check if the header is set (and sent back). You could also
> either run httpd -X from within gdb or attach gdb to a running process and set
> a breakpoint at your apr_table_… lines. You should then be able to inspect r.
> You might find the .gdbinit that comes with the apache source code helpful.
>
> rainer
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Re: [users@httpd] cookie read/write in module handler
Posted by "Rainer M. Canavan" <ra...@sevenval.com>.
On Dec 11, 2013, at 19:53 , Allasso Travesser <al...@gmail.com> wrote:
>>> I am attempting to write a cookie, then retrieve it later. I am doing this in a handler, using simple code found from (sparse) information I have gathered from google searches:
>>>
>>> apr_table_set(r->headers_out, "Set-Cookie", "value");
>>> char* cookie = apr_table_get(r->headers_in, "Set-Cookie");
>>
>> When it comes back, it's a "Cookie" not a "Set-Cookie”.
>
> thanks, that makes sense — unfortunately it didn’t work… :-(
If you haven't done so already, use a custom LogFormat to log the outgoing
Set-Cookie and the incoming Cookie Headers, and/or use your favourite web
developer tools to check if the header is set (and sent back). You could also
either run httpd -X from within gdb or attach gdb to a running process and set
a breakpoint at your apr_table_… lines. You should then be able to inspect r.
You might find the .gdbinit that comes with the apache source code helpful.
rainer
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Re: [users@httpd] cookie read/write in module handler
Posted by Allasso Travesser <al...@gmail.com>.
On Dec 11, 2013, at 11:31 AM, Eric Covener <co...@gmail.com> wrote:
> On Wed, Dec 11, 2013 at 1:27 PM, Allasso Travesser
> <al...@gmail.com> wrote:
>> Hello,
>>
>> I am attempting to write a cookie, then retrieve it later. I am doing this in a handler, using simple code found from (sparse) information I have gathered from google searches:
>>
>> apr_table_set(r->headers_out, "Set-Cookie", "value");
>> char* cookie = apr_table_get(r->headers_in, "Set-Cookie");
>
> When it comes back, it's a "Cookie" not a "Set-Cookie”.
thanks, that makes sense — unfortunately it didn’t work… :-(
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Re: [users@httpd] cookie read/write in module handler
Posted by Eric Covener <co...@gmail.com>.
On Wed, Dec 11, 2013 at 1:27 PM, Allasso Travesser
<al...@gmail.com> wrote:
> Hello,
>
> I am attempting to write a cookie, then retrieve it later. I am doing this in a handler, using simple code found from (sparse) information I have gathered from google searches:
>
> apr_table_set(r->headers_out, "Set-Cookie", "value");
> char* cookie = apr_table_get(r->headers_in, "Set-Cookie");
When it comes back, it's a "Cookie" not a "Set-Cookie".
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