Review Request 126991: Try multiple authentication methods in case of failures

[Krzysztof Nowicki]

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https://git.reviewboard.kde.org/r/126991/
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Review request for KDE Frameworks and Dawit Alemayehu.


Repository: kio


Description
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When authenticating agains a server offering multiple authentication methods make sure to attempt other methods in case the best one fails.
    
This also fixes a connection close issue in the middle of an NTLM authentication dialog due to clearing the password.


Diffs
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  src/ioslaves/http/http.h 621b2c7 
  src/ioslaves/http/http.cpp a84129f 

Diff: https://git.reviewboard.kde.org/r/126991/diff/


Testing
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I have performed testing on an IIS 7.5 server which offered 3 authentication options: Negotiate, NTLM and Basic. Since I have Kerberos configured the original code would only try Negotiate and because it failed it would retry it endlessly. With this patch authentication correctly falls back to NTLM or Basic (if NTLM fails too).


Thanks,

Krzysztof Nowicki

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