[asterisk-dev] [Code Review] 4374: Asterisk: For httpd server, need option to define server name for security purposes

[rmudgett]

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./branches/13/main/http.c
<https://reviewboard.asterisk.org/r/4374/#comment24864>

    I'm surprised that the compiler didn't complain about http_header_data being const because it is passed to ast_http_send() and ast_free() which takes a non-const parameter.


- rmudgett


On Jan. 28, 2015, 5:15 p.m., Ashley Sanders wrote:
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> (Updated Jan. 28, 2015, 5:15 p.m.)
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> 
> Review request for Asterisk Developers.
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> Bugs: ASTERISK-24316
>     https://issues.asterisk.org/jira/browse/ASTERISK-24316
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> Repository: Asterisk
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> Description
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> Currently, all responses from the Asterisk HTTP server contain a [Server] header that identifies Asterisk and its version (e.g. "Server:Asterisk/<version>", where <version> is the currently running version of Asterisk). The preferred behavior is to allow the user to configure an alternate name to use for the value returned in the [Server] header for HTTP responses (e.g. "Server:SomeSuperAwesomeServerName").
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> This patch provides a new configuration property, [servername], in http.conf, that gives users the ability to modify the value that Asterisk uses when identifying itself. 
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> By default, the new property is unused, which means that out-of-the-box, the HTTP server behaves just like it did prior to the patch. Requests to the HTTP server will generate responses with the old-style [Server] header (e.g. "Server:Asterisk/<version>", where <version> is the currently running version of Asterisk). To see the new behavior, you must add the configuration property, [servername] with some value (an empty value will work, also) to http.conf.
> 
> Whatever value the HTTP server is holding for the server name can now be seen through the httpstatus web page (http://<bindaddr>:<bindport>/<prefix>/httpstatus) (where [bindaddr], [bindport], and [prefix] are all values configured in http.conf) and the CLI command: http show status.
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> ***Note*** This is just the patch to the Asterisk source. You can find the review for the Testsuite at: https://reviewboard.asterisk.org/r/4377/
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> Diffs
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>   ./branches/13/main/http.c 431112 
>   ./branches/13/include/asterisk/http.h 431112 
>   ./branches/13/configs/samples/http.conf.sample 431112 
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> Diff: https://reviewboard.asterisk.org/r/4374/diff/
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> Testing
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> Thanks,
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> Ashley Sanders
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>

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