[pca] Plain "wget" giving me an error.

[Rajiv Gunja]

Martin,
Thanks for explaining this to me. I remember reading about this on your
website or on this forum, but forgot all about it.
Currently I am on 1.11.2, so using that new option worked perfectly. Thanks
once again.

-GGR

--
Rajiv G Gunja
Blog: http://ossrocks.blogspot.com


2008/11/14 Martin Paul <martin at par.univie.ac.at>

> Rajiv Gunja wrote:
>
>> I have been using PCA for so long that I have forgotten the real
>> command/URL
>> which downloads the patches and can't seem to find my notes.
>>
>
> Welcome to a world of pain! Using pca has the advantage that it hides the
> complexity of this seemingly simple task.
>
> I don't understand the full details, but I'll try to summarize:
>
> sunsolve.sun.com doesn't ask explicitely for authentication data on the
> HTTP protocol level. Either you send the login/password without being asked,
> or you will be presented with an HTML page asking you to login (which
> doesn't work with wget, of course).
>
> Everything was fine until wget was changed with version 1.11. In that
> version, it only sends authentication if it is asked for it. So wget v1.11
> didn't work with sunsolve anymore. I reported the problem to the wget
> maintainers, who then added a new option "--auth-no-challenge" to wget
> 1.11.1 which simulates the old behaviour.
>
> This is a complete mess, and I really didn't want to handle three different
> cases depending on the wget version in pca. So what I'm doing now is to
> encode the user/passwd information and sending it via wget's --header
> ("Authorization: Basic") option. Like this, authentication data is forced
> upon SunSolve with every version of wget.
>
> If you use wget yourself, you have to act accordingly, depending on the
> wget version (if possible, update to >=1.11.1 and use the new option). HTTP
> or HTTPS doesn't matter, both work (or don't, with the wrong options).
>
> This is probably the reason why something that has worked for you before
> doesn't work anymore.
>
> Hope that helps,
>
> Martin.
>
>
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