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path: root/runsc/cmd/gofer.go
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2018-11-01Use spec with clean paths for goferFabricio Voznika
Otherwise the gofer's attach point may be different from sandbox when there symlinks in the path. PiperOrigin-RevId: 219730492 Change-Id: Ia9c4c2d16228c6a1a9e790e0cb673fd881003fe1
2018-10-31Make lazy open the mode of operation for fsgoferFabricio Voznika
With recent changes to 9P server, path walks are now safe inside open, create, rename and setattr calls. To simplify the code, remove the lazyopen=false mode that was used for bind mounts, and converge all mounts to using lazy open. PiperOrigin-RevId: 219508628 Change-Id: I073e7e1e2e9a9972d150eaf4cb29e553997a9b76
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-09-19Fix sandbox and gofer capabilitiesFabricio Voznika
Capabilities.Set() adds capabilities, but doesn't remove existing ones that might have been loaded. Fixed the code and added tests. PiperOrigin-RevId: 213726369 Change-Id: Id7fa6fce53abf26c29b13b9157bb4c6616986fba
2018-09-04runsc: fix container rootfs path.Lantao Liu
PiperOrigin-RevId: 211515350 Change-Id: Ia495af57447c799909aa97bb873a50b87bee2625
2018-08-30Add seccomp filter to fsgoferFabricio Voznika
PiperOrigin-RevId: 211011542 Change-Id: Ib5a83a00f8eb6401603c6fb5b59afc93bac52558
2018-08-27Put fsgofer inside chrootFabricio Voznika
Now each container gets its own dedicated gofer that is chroot'd to the rootfs path. This is done to add an extra layer of security in case the gofer gets compromised. PiperOrigin-RevId: 210396476 Change-Id: Iba21360a59dfe90875d61000db103f8609157ca0
2018-08-24Add option to panic gofer if writes are attempted over RO mountsFabricio Voznika
This is used when '--overlay=true' to guarantee writes are not sent to gofer. PiperOrigin-RevId: 210116288 Change-Id: I7616008c4c0e8d3668e07a205207f46e2144bf30
2018-08-15runsc fsgofer: Support dynamic serving of filesystems.Kevin Krakauer
When multiple containers run inside a sentry, each container has its own root filesystem and set of mounts. Containers are also added after sentry boot rather than all configured and known at boot time. The fsgofer needs to be able to serve the root filesystem of each container. Thus, it must be possible to add filesystems after the fsgofer has already started. This change: * Creates a URPC endpoint within the gofer process that listens for requests to serve new content. * Enables the sentry, when starting a new container, to add the new container's filesystem. * Mounts those new filesystems at separate roots within the sentry. PiperOrigin-RevId: 208903248 Change-Id: Ifa91ec9c8caf5f2f0a9eead83c4a57090ce92068
2018-06-28Error out if spec is invalidFabricio Voznika
Closes #66 PiperOrigin-RevId: 202496258 Change-Id: Ib9287c5bf1279ffba1db21ebd9e6b59305cddf34
2018-06-26runsc: set gofer umask to 0.Lantao Liu
PiperOrigin-RevId: 202185642 Change-Id: I2eefcc0b2ffadc6ef21d177a8a4ab0cda91f3399
2018-06-21Fix typo in runsc gofer flag descriptionIan Gudger
PiperOrigin-RevId: 201529295 Change-Id: I55eb516ec6d14fbcd48593a3d61f724adc253a23
2018-06-08Drop capabilities not needed by GoferFabricio Voznika
PiperOrigin-RevId: 199808391 Change-Id: Ib37a4fb6193dc85c1f93bc16769d6aa41854b9d4
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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