Sevan Janiyan wrote: > The feature was actually added to ensure whatever cat was meant to be > reading from was indeed a plain file and not another which could block a > process. > "Use cat -f to avoid denial of service attacks by people who make > .rhosts files fifos." > http://mail-index.netbsd.org/source-changes/2000/01/14/0069.html
hmm, well, security(8) in openbsd is a perl script that doesn't exec cat, so this wouldn't help solve that problem. now, looking at security, it seems there may be an issue if it tries to open a blocking file, but that will need solving there, not in cat.