tls: copy the Buffer object before using (backport to v4.x) #9016
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| @@ -52,7 +52,7 @@ exports.convertNPNProtocols = function convertNPNProtocols(NPNProtocols, out) { | |||
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| // If it's already a Buffer - store it | |||
| if (NPNProtocols instanceof Buffer) { | |||
| out.NPNProtocols = NPNProtocols; | |||
| out.NPNProtocols = new Buffer(NPNProtocols); | |||
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Why not Buffer.from, like in the original PR?
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I was being consistent with the rest of the file, change incoming
`convertNPNProtocols` and `convertALPNProtocols' uses the `protocols` buffer object as it is, and if it is modified outside of core, it might have an impact. This patch makes a copy of the buffer object, before using it. PR-URL: nodejs#8055 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
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thefourtheye
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Oct 11, 2016
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This is a backport of #8055
There was quite a bit of difference between this and the original so I would like to get sign off from @thefourtheye or @jasnell that this is doing what is should be doing.