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OS X - Development and Darwin Discussion and questions about development for Mac OS X.

Authorization of application


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tohihaho

 
Member Since: May 19, 2008
Posts: 2
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Hi all.
I am really junior mac-developer. I have verry little experience in building applications and using the unix-based operating systems.
My problem is this: I am building an application in which I have to open a device to read and write from it. I use the function open() with parameters the "path" to the device (for example /dev/rdisk2s3) and an option for opening (for example O_RDONLY). When the device is "local" (I don't know how to explain it in other way - not flash or ISCSI or image or etc...) this function returns -1 with errno 13 - EACCES - Permission denied.
My application has both command line and UI "versions". If I run the command line "version" with sudo and I write the password - it works with no problems.
I want to make the UI ask for password and run the rest of the code with root rights, as if I have run it with sudo.
I tried using the Security Framework - the functions from Authorization.h, but I couldn't make it work - I manage to create and initiate an authorization reference, but the open function still doesn't work.
Help please.
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