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Brian Wellington authored
Change isc_entropy_usebestsource() to have saner semantics: - If an invalid file is specified, an error will be returned instead of the keyboard being used. - If no file is specified but a random device is present, the keyboard will be used if there is an error opening the random device. - ISC_ENTROPY_KEYBOARDYES indicates that the keyboard should be the only device used. Otherwise, passing '-r keyboard' is meaningless on a machine with a random device, since the keyboard will not be used. Change the callers in the dnssec tools and rndc-confgen to check for the special file "keyboard" and call isc_entropy_usebestsource() with the right set of parameters.
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