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Unveil in OpenBSD

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Logo von Berkeley Software Distribution (BSD)Berkeley Software Distribution (BSD)
 Beck, Bob

Formale Metadaten

Titel
Unveil in OpenBSD
Untertitel
The Unveil system call, it's use in Programs, and new semantics for it
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34
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Abstract
Unveil in OpenBSD Last year the unveil() system call was introduced in OpenBSD 6.4 Unveil has continued to evolve and be included in more programs in OpenBSD base, as well as some in the OpenBSD ports tree. Unveil has gained new features and semantics as a result, with some of the underlying implementation details in the kernel changing considerably. This talk discusses unveil, how it is used in programs, as well as new changes to semantics. We also will touch on how unveil() is implemented in the kernel to handle some of the changes.