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 Topic: Is it possible to createa module that log RAW HTTP requests? |
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Tigrou
Joined: 25 Dec 2023
Posts: 1
Location: Belgium
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 Posted: Tue 26 Dec '23 14:38 Post subject: Is it possible to createa module that log RAW HTTP requests? |
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Hello,
I would like to create a module that logs HTTP requests in their raw format (as they are send to Apache, at byte level).
Here is one example:
| Code: | TimeStamp
Request headers
\r\n
Request body size
Request body (optional)
\r\n
Response headers
\r\n
Response body size
Response body (optional) |
| Code: | 1703593572
GET /foo/bar HTTP/1.1
Host: example.org
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; fr; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8
Accept: */*
0
HTTP/1.1 200 OK
Date: Sun, 10 Oct 2010 23:26:07 GMT
Connection: close
Content-Type: text/html
1472
<html>
<body>
...
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I already took a look at some existing modules like mod_log_forensic, mod_dumpio but what they dump is imcomplete (eg: it's only header or body) and not in the format I want.
I already know C/C++, but I am unfamiliar with Apache code. Before coding anything I would like to know if this is easily feasible.
I plan to start using mod_dumpio as example.
https://github.com/omnigroup/Apache/blob/master/httpd/modules/debugging/mod_dumpio.c
My main concern I have :
- It seems filters callback are called multiple times for the same request. I want to log the request/response as a single blob. How to achieve this, is there something similar to a transaction (eg: it's possible to know when request starts and when it ends)
- mod_log_forensic dump the headers by looping on the headers data structure already parsed by Apache. Is it possible to instead dump the bytes data ?
The Apache version I use is 2.4.58 with Cent OS (Linux) |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7443
Location: EU, Germany, Next to Hamburg
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