Re: Rejecting commits to a 1.5 server from clients < 1.5

Daniel L. Rall wrote:
> On Wed, 24 Oct 2007, Stefan Küng wrote:
>
>> Justin Erenkrantz wrote:
>>> On Oct 23, 2007 1:21 PM, Blair Zajac <blair@orcaware.com> wrote:
>>>> I'm not looking for a 100% reliability. As long as somebody downloads a
>>>> well
>>>> known binary, say Subclipse, our .exe's or TortoiseSVN who will do a good
>>>> build,
>>>> or downloads and compiles from source and doesn't modify the source,
>>>> that's good
>>>> enough for me.
>>> For WebDAV installs, you can do a BrowserMatch to reject non 1.5 user
>>> agent strings. Both ra_dav and ra_neon include the SVN/<version
>>> number> in the User-Agent headers. This is the simplest and
>>> most-straightforward way to block WebDAV accesses.
>>>
>>> So, really, you only need to do something for ra_svn... -- justin
>> If I may request one tiny additional feature for the agent strings:
>> currently, the agent string is a fixed #define deep inside the svn
>> library. I'd like to customize that one to include some client specific
>> stuff. Something like
>>
>> #ifdef CUSTOM_CLIENT_AGENT_STRING
>> #define SVN_FULL_AGENT_STRING CUSTOM_CLIENT_AGENT_STRING + SVN_AGENT_STRING
>> #else
>> #define SVN_FULL_AGENT_STRING SVN_AGENT_STRING
>> #endif
>>
>> that way, svn clients can add their own string, and hosters could create
>> some statistics about the use of svn clients. Kind of like the browser
>> statistics for websites.
>
> I'm in favor of something along these lines, since canonical User-Agent
> identifiers are retained, but the User-Agent is still allowed to be
> extended.
>
> Stefan, do you have an example of how this would look to the server, in
> the HTTP headers?

I think it would look as it does now, just with a custom string prepended?

I guess we could do it the same way browsers do it:
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

Instead of "Mozilla/4.0", put the client name there, and inside the
brackets the library and version of the library against which the client
is linked.

Stefan

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