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We can't pause them, so if that's requested, throw an error.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Rootless containers can't be paused (no CGroups, so no freezer).
We could try and emulate this with a SIGSTOP to all PIDs in the
container, but that's inherently racy, so let's avoid it for now.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Should fix CVE-2018-15664 for Podman.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Securejoin ensures that paths are resolved in the container, not
on the host.
Fixes #3211
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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when podman cp tar without --extract flag, if the destination already exists, or ends with path seprator, cp the tar under the directory, otherwise copy the tar named with the destination
Signed-off-by: Qi Wang <qiwan@redhat.com>
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enables podman cp uses - to stream a tar archive from STDIN or to STDOUT.
Signed-off-by: Qi Wang <qiwan@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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In cases where the remote client culls options to a command, we need to
be sure that the lookup for that flag does not result in a nil pointer.
To do so, we add a Remote attribute to the podman struct and then cli
helper funcs are now aware they are remote.
Signed-off-by: baude <bbaude@redhat.com>
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`podman cp` used to copy the contents under the source directory to the destination. But according to the specification in podman-cp.md. it should copy the whole directory to the destination if the destination directory already exists.
- src dir ends with /., copy the contents to dest dir
- src dir does not end with /.
- dest dir /home does not exist, copy the contents
- dest dir /home exists, copy the directory
```
$ sudo podman cp /home/qiwan/Documents/empty 7c47:/home
$ sudo podman exec -it 7c47 ls /home
$
$ sudo podman cp /home/qiwan/Documents/empty 7c47:/home
$ sudo podman exec -it 7c47 ls /home
empty
```
Signed-off-by: Qi Wang <qiwan@redhat.com>
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simplify the rootless implementation to use a single user namespace
for all the running containers.
This makes the rootless implementation behave more like root Podman,
where each container is created in the host environment.
There are multiple advantages to it: 1) much simpler implementation as
there is only one namespace to join. 2) we can join namespaces owned
by different containers. 3) commands like ps won't be limited to what
container they can access as previously we either had access to the
storage from a new namespace or access to /proc when running from the
host. 4) rootless varlink works. 5) there are only two ways to enter
in a namespace, either by creating a new one if no containers are
running or joining the existing one from any container.
Containers created by older Podman versions must be restarted.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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in the few places where we care about skipping the storage
initialization, we can simply use the process effective UID, instead
of relying on a global boolean flag.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Cleanup lots of help information to look good when displayed.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Signed-off-by: Qi Wang <qiwan@redhat.com>
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Signed-off-by: Qi Wang <qiwan@redhat.com>
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Conceptually simple: include, where applicable, a brief
description of command-line options for each subcommand.
Signed-off-by: Ed Santiago <santiago@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Signed-off-by: Qi Wang <qiwan@redhat.com>
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