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Forbid client piping to tty enabled container

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Forbid `docker run -t` with a redirected stdin (such as `echo test |
docker run -ti busybox cat`). Forbid `docker exec -t` with a redirected
stdin. Forbid `docker attach` with a redirect stdin toward a tty enabled
container.

Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>
This commit is contained in:
Arnaud Porterie
2014-12-05 16:50:56 -08:00
committed by Tibor Vass
parent acd8287c74
commit 76daef2b9a
1 changed files with 4 additions and 3 deletions
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7
docs/sources/reference/run.md
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@ -94,9 +94,10 @@ specify to which of the three standard streams (`STDIN`, `STDOUT`,
$ sudo docker run -a stdin -a stdout -i -t ubuntu /bin/bash
For interactive processes (like a shell) you will typically want a tty
as well as persistent standard input (`STDIN`), so you'll use `-i -t`
together in most interactive cases.
For interactive processes (like a shell), you must use `-i -t` together in
order to allocate a tty for the container process. Specifying `-t` is however
forbidden when the client standard output is redirected or pipe, such as in:
`echo test | docker run -i busybox cat`.
## Container identification