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path: root/pkg/sentry/socket/netstack/provider.go
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2021-03-03[op] Replace syscall package usage with golang.org/x/sys/unix in pkg/.Ayush Ranjan
The syscall package has been deprecated in favor of golang.org/x/sys. Note that syscall is still used in the following places: - pkg/sentry/socket/hostinet/stack.go: some netlink related functionalities are not yet available in golang.org/x/sys. - syscall.Stat_t is still used in some places because os.FileInfo.Sys() still returns it and not unix.Stat_t. Updates #214 PiperOrigin-RevId: 360701387
2021-01-28Change tcpip.Error to an interfaceTamir Duberstein
This makes it possible to add data to types that implement tcpip.Error. ErrBadLinkEndpoint is removed as it is unused. PiperOrigin-RevId: 354437314
2020-12-02[netstack] Refactor common utils out of netstack to socket package.Ayush Ranjan
Moved AddressAndFamily() and ConvertAddress() to socket package from netstack. This helps because these utilities are used by sibling netstack packages. Such sibling dependencies can later cause circular dependencies. Common utils shared between siblings should be moved up to the parent. PiperOrigin-RevId: 345275571
2020-05-01Port netstack, hostinet, and netlink sockets to VFS2.Dean Deng
All three follow the same pattern: 1. Refactor VFS1 sockets into socketOpsCommon, so that most of the methods can be shared with VFS2. 2. Create a FileDescriptionImpl with the corresponding socket operations, rewriting the few that cannot be shared with VFS1. 3. Set up a VFS2 socket provider that creates a socket by setting up a dentry in the global Kernel.socketMount and connecting it with a new FileDescription. This mostly completes the work for porting sockets to VFS2, and many syscall tests can be enabled as a result. There are several networking-related syscall tests that are still not passing: 1. net gofer tests 2. socketpair gofer tests 2. sendfile tests (splice is not implemented in VFS2 yet) Updates #1478, #1484, #1485 PiperOrigin-RevId: 309457331
2020-04-07Remove out-of-date TODOs.Ting-Yu Wang
We already have network namespace for netstack. PiperOrigin-RevId: 305341954
2020-03-26Support owner matching for iptables.Nayana Bidari
This feature will match UID and GID of the packet creator, for locally generated packets. This match is only valid in the OUTPUT and POSTROUTING chains. Forwarded packets do not have any socket associated with them. Packets from kernel threads do have a socket, but usually no owner.
2020-02-19Internal change.gVisor bot
PiperOrigin-RevId: 296088213
2020-01-27Update package locations.Adin Scannell
Because the abi will depend on the core types for marshalling (usermem, context, safemem, safecopy), these need to be flattened from the sentry directory. These packages contain no sentry-specific details. PiperOrigin-RevId: 291811289
2019-10-21AF_PACKET support for netstack (aka epsocket).Kevin Krakauer
Like (AF_INET, SOCK_RAW) sockets, AF_PACKET sockets require CAP_NET_RAW. With runsc, you'll need to pass `--net-raw=true` to enable them. Binding isn't supported yet. PiperOrigin-RevId: 275909366
2019-10-07Rename epsocket to netstack.Kevin Krakauer
PiperOrigin-RevId: 273365058