OK, I did some digging around on the Apple developer site and came across what I think is the best way to handle this: Am I correct in assuming that I can use the URL Loading System, since IPP uses HTTP transport? If so, I'd like to get some clarifications before I proceed:
1. Would the raw IPP request data be loaded into an NSURL object via a setResourceData: message (after being converted to an NSData object)?
2. Is the response data that is finalized in the NSURLConnection connectionDidFinishLoading: delegate method in raw format, i.e. something I could extract from the NSData object and map directly into the IPP structures?
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First of all, let me thank Jim Lovell and others for the help I've received so far with my app for retrieving jobs from a remote IPP queue. I have the job retrieval functionality implemented and my user interface running swimmingly, but I've run into a roadblock of my own ignorance: supporting job operations (cancel, hold, etc.) on the remotely queued jobs from a client.
The IPP requests are not the problem; I think I pretty much understand what needs to be done. The problem is authentication: I don't know how to do it. Can anyone point me in the right direction for documentation or sample code for doing this under OS X 10.3 and how I can tie in my IPP job requests?
I'd rather not open the remote machine's cupsd admin functionality to the world unfettered, so I'm not interested in ways of disabling the authentication. However, I would be interested in help with Keychain support.
TIA.
Alan
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