[INN] #99: Add a decent command parser to innd

[INN]

#99: Add a decent command parser to innd
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 Reporter:  iulius      |        Owner:  eagle
     Type:  defect      |       Status:  new  
 Priority:  medium      |    Milestone:  2.6.0
Component:  innd        |      Version:  2.4.5
 Severity:  normal      |   Resolution:       
 Keywords:  compliance  |  
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Comment(by iulius):

 In innd, if the connection is determined to need authentication, all
 incoming commands other than MODE are handed off to NCauthinfo() rather
 than their normal command handlers.  NCauthinfo() responds with a 480
 reply code to anything other than AUTHINFO USER, AUTHINFO PASS, or QUIT.

 Suggested fix:  Restructure the command table so that each command also
 has a flag indicating whether it requires authentication for peers that
 are required to authenticate.  (Some commands, like HELP and MODE READER,
 should be allowed without authentication.)  Then eliminate the special
 casing of the state CSgetauth (it may be better to store whether the peer
 has authenticated in the channel rather than in the channel state) and the
 special handling in NCauthinfo.  This should also simplify the code.

-- 
Ticket URL: <http://inn.eyrie.org/trac/ticket/99#comment:2>
INN <http://www.eyrie.org/~eagle/software/inn/>
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