[p4] Best way to determine if user has read access to file...

Wed May 14 06:06:37 PDT 2008

Yes, I considered that, the problem is with our security level I need to
log them first, which again is not necessarily a problem. Performance is
key though as this is part of the authentication for a web app, so if it
can be done in one shot all the better.

What i don't get is, if p4 protects cannot be used here, then what on
earth is it good for?

________________________________

	From: Stephen Vance [mailto:steve at vance.com] 
	Sent: 14 May 2008 13:57
	To: Echlin, Jamie: IT (LDN)
	Cc: perforce-user at perforce.com
	Subject: Re: [p4] Best way to determine if user has read access
to file...

	You could try printing the file impersonating that user.

	p4 -u user print -q -o /dev/null //some/path/to/file

	Steve

	Jamie.Echlin at barclayscapital.com wrote: 

		Cheers, but i need to do this programatically.

________________________________

			From: Stephen Vance [mailto:steve at vance.com] 
			Sent: 14 May 2008 13:27
			To: Echlin, Jamie: IT (LDN)
			Cc: perforce-user at perforce.com
			Subject: Re: [p4] Best way to determine if user
has read access to file...

			Use the relatively new P4V admin interface.

			Steve

			Jamie.Echlin at barclayscapital.com wrote: 

				Afternoon,

				What's the best way to determine if a
user has read access to a file,
				short of logging in as them and doing
fstat or whatever.

				Let's say my protections are set up like
this:

				        write user echlinj *
//depot/Jamgraph/...
				        write user echlinj *
-//depot/Jamgraph/REL1.0/...

				So I have no read/write access to stuff
under REL1.0. I was hoping this
				would work:

				p4 -u p4admin protects -m -u echlinj

//depot/Jamgraph/REL1.0/src/gparticle.cpp
				write

				However I don't have write access to
that file.

				Without -m I get:

				write user echlinj *
//depot/Jamgraph/...
				write user echlinj *
-//depot/Jamgraph/REL1.0/...

				I don't really want to parse that to
work out which line best matches
				the file in question. There must be a
better way.

				Cheers,

				Jamie Echlin
				Head of Development Tools Engineering
				Barclays Capital, 10 The South
Colonnade, Canary Wharf, London, E14 4PU.
				* Direct : +44 (0) 20 7773 4187 *
jamie.echlin at barclayscapital.com

<mailto:mike.bambrook at barclayscapital.com>
<mailto:mike.bambrook at barclayscapital.com>  

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			www.vance.com

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This e-mail may contain information that is confidential, privileged or otherwise protected from disclosure. If you are not an intended recipient of this e-mail, do not duplicate or redistribute it by any means. Please delete it and any attachments and notify the sender that you have received it in error. Unless specifically indicated, this e-mail is not an offer to buy or sell or a solicitation to buy or sell any securities, investment products or other financial product or service, an official confirmation of any transaction, or an official statement of Barclays. Any views or opinions presented are solely those of the author and do not necessarily represent those of Barclays. This e-mail is subject to terms available at the following link: www.barcap.com/emaildisclaimer. By messaging with Barclays you consent to the foregoing.  Barclays Capital is the investment banking division of Barclays Bank PLC, a company registered in England (number 1026167) with its registered office at 1 Churchill Place, London, E14 5HP.  This email may relate to or be sent from other members of the Barclays Group.
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