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Strange behavior (BUG?) for setting r->headers_in.method_name in a subrequest

Mirko Dziadzka
August 30, 2010 12:32PM
Hi all

I'm using nginx-0.7.66 and am trying to create a POST sub-request:

res = ngx_http_subrequest(r, uri, NULL , &sr, psr, flags);
sr->method = NGX_HTTP_POST;
sr->method_name.data = (u_char *)"POST";
sr->method_name.len = 4;

The uri is then forwarded via proxy_pass to another server.

With wireshark, I see the following bytes on the network:

00000000 50 4f 53 54 00 2f 64 65 63 69 64 65 2e 63 67 69 POST./de

Please note the 00-byte after the POST. If I change the code to

res = ngx_http_subrequest(r, uri, NULL , &sr, psr, flags);
sr->method = NGX_HTTP_POST;
sr->method_name.data = (u_char *)"POST "; // note the SPACE after POST
sr->method_name.len = 4;

it will work as expected and I see a space. I did not dig further into
nginx code but it looks like the 5-th byte from "POST" is used in the
new request - which is probably a bug.

Greetings

Mirko






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Subject Author Views Posted

Strange behavior (BUG?) for setting r->headers_in.method_name in a subrequest

Mirko Dziadzka 1784 August 30, 2010 12:32PM

Re: Strange behavior (BUG?) for setting r->headers_in.method_name in a subrequest

Maxim Dounin 661 August 30, 2010 03:02PM

Re: Strange behavior (BUG?) for setting r->headers_in.method_name in a subrequest

Mirko Dziadzka 516 August 31, 2010 04:00AM

Re: Strange behavior (BUG?) for setting r->headers_in.method_namein a subrequest

Piotr Sikora 759 August 31, 2010 04:30AM



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