[cups.general] Facing error 'Request from "localhost" using invalid Host : field "/private/var/run/cupsd"' after applying Mac security update 2009-001 on Mac OS 10.5

[Michael Sweet]

On Feb 25, 2009, at 3:24 AM, Mangesh Kute wrote:
> Hi All,
>
> We provide print client "iPrint" on Mac using CUPS API, to work with  
> Novell iPrint server.
> We connect to local CUPS server by giving host name as "/private/var/ 
> run/cupsd"(value returned by cupsServer()). After connecting  
> successfully when we send any request on this connection, it returns  
> an error "HTTP_BAD_REQUEST". In CUPS error log, we are seeing error  
> 'Request from "localhost" using invalid Host : field "/private/var/ 
> run/cupsd"'
>
> Does anyone have any idea on the reason for error ?

Sure, you aren't passing in a valid hostname.  CUPS is now checking  
for that.

If you use the CUPS functions for sending IPP requests, the domain  
socket filename
is automatically mapped to localhost when the request is sent.   
Otherwise, you are
responsible for doing so since otherwise httpPost() uses the address  
passed to
httpConnect().

In general, there should be no reason not to use the CUPS-provided  
cupsDo*Request
functions in any application.  If there is, we want to know about it!

> We are seeing this error after applying "Mac Security Update  
> 2009-001' on Mac OS10.5. But if we install Mac combo update 10.5.6,  
> we are not seeing this error and communication goes fine with local  
> cups server.
>
> Is "CUPS 1.3.8" provided on Mac OS X 10.5  customized for MAC and is  
> it different from source code available at http://svn.easysw.com/public/cups/tags/release-1.3.8/ 
>   (I am not able to locate above error in this source code) ?  From  
> where can I get source code for "CUPS 1.3.8" provided on Mac OS X  
> 10.5 ?

The update contains some of the changes from later CUPS releases.

________________________________________
Michael R Sweet, Senior Printing System Engineer

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