Date: Thu, 14 Feb 2019 09:50:39 +0000 From: David Laight <David.Laight@...LAB.COM> To: "'Tobin C. Harding'" <me@...in.cc> CC: "'Tobin C. Harding'" <tobin@...nel.org>, "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, Tycho Andersen <tycho@...ho.ws>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: RE: [PATCH 3/3] leaking_addresses: Expand tilde in output file name From: Tobin C. Harding > Sent: 13 February 2019 20:31 > > On Wed, Feb 13, 2019 at 03:56:47PM +0000, David Laight wrote: > > From: Tobin C. Harding > > > Sent: 07 February 2019 22:50 > > > > > > Currently if user passes an output file to the script via > > > --output-raw we do not handle expansion of tilde. > > > > > > Use perl function glob() to expand tilde in output file name. > > > > What happens if glob() returns multiple files? > > I'm guessing that it can... > > Thanks for taking a look at this David. Surely glob() cannot return > multiple values when expanding tilde? If someone passes a '*' into the > command as an input/output file then they are clearly mad :) Yes, but the perl script will go horribly wrong. Actually, how do they get a ~ in there? Whatever shell generated perl's argv would be expected to handle it. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
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