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To write to /dev/rdisk1 USB pen drive (using BAS)



Hi,
I'm using "BetterAuthorizationSample" from apple, which installs a privileged helper tool for performing privileged operations.
While using this I can obtain a valid file descriptor for reading any disk, I can not get a valid file descriptor for writing to disk (/dev/ rdisk1, which is a pen drive).
I'm using:
fileDesc = open(path, O_RDWR);
in the privileged part (helper tool) of my code.


Any help would be greatly appreciated.

Wishes,
Nick
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