April 2002
Intermediate to advanced
816 pages
20h 56m
English
book
.NET Framework Security
by Brian A. LaMacchia, Sebastian Lange, Matthew Lyons, Rudi Martin, Kevin T. Price
Content preview from .NET Framework SecurityBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Modifying a Stack Walk
So, say the author of MyDatabase comes along and, having read all about good security practices, rewrites BackupDatabase to be secure. The filename parameter is removed and the backup is written to a known location controlled solely by the MyDatabase assembly, with no input from external sources.
The security demand will still fail, if the caller of BackupDatabase is untrusted to write whatever file the underlying implementation is using. This is probably not the intended effect; the author of BackupDatabase wants to write the backup on behalf of the user, even if that user is otherwise untrusted. This is where the stack walk modification operators come in.
These operations (Assert, Deny, and PermitOnly) are methods defined ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.