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path: root/pkg/sentry/socket/epsocket
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2018-08-02Automated rollback of changelist 207037226Zhaozhong Ni
PiperOrigin-RevId: 207125440 Change-Id: I6c572afb4d693ee72a0c458a988b0e96d191cd49
2018-08-01Automated rollback of changelist 207007153Michael Pratt
PiperOrigin-RevId: 207037226 Change-Id: I8b5f1a056d4f3eab17846f2e0193bb737ecb5428
2018-08-01stateify: convert all packages to use explicit mode.Zhaozhong Ni
PiperOrigin-RevId: 207007153 Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9
2018-07-27stateify: support explicit annotation mode; convert refs and stack packages.Zhaozhong Ni
We have been unnecessarily creating too many savable types implicitly. PiperOrigin-RevId: 206334201 Change-Id: Idc5a3a14bfb7ee125c4f2bb2b1c53164e46f29a8
2018-06-22Netstack should return EOF on closed read.Brian Geffon
The shutdown behavior where we return EAGAIN for sockets which are non-blocking is only correct for packet based sockets. SOCK_STREAM sockets should return EOF. PiperOrigin-RevId: 201703055 Change-Id: I20b25ceca7286c37766936475855959706fc5397
2018-06-19Epsocket has incorrect recv(2) behavior after SHUT_RD.Brian Geffon
After shutdown(SHUT_RD) calls to recv /w MSG_DONTWAIT or with O_NONBLOCK should result in a EAGAIN and not 0. Blocking sockets should return 0 as they would have otherwise blocked indefinitely. PiperOrigin-RevId: 201271123 Change-Id: If589b69c17fa5b9ff05bcf9e44024da9588c8876
2018-05-22sentry: Add simple SIOCGIFFLAGS support (IFF_RUNNING and IFF_PROMIS).Kevin Krakauer
Establishes a way of communicating interface flags between netstack and epsocket. More flags can be added over time. PiperOrigin-RevId: 197616669 Change-Id: I230448c5fb5b7d2e8d69b41a451eb4e1096a0e30
2018-05-18sentry: Get "ip link" working.Kevin Krakauer
In Linux, many UDS ioctls are passed through to the NIC driver. We do the same here, passing ioctl calls to Unix sockets through to epsocket. In Linux you can see this path at net/socket.c:sock_ioctl, which calls sock_do_ioctl, which calls net/core/dev_ioctl.c:dev_ioctl. SIOCGIFNAME is also added. PiperOrigin-RevId: 197167508 Change-Id: I62c326a4792bd0a473e9c9108aafb6a6354f2b64
2018-05-16Refcount socket Dirents correctly.Christopher Koch
This should fix the socket Dirent memory leak. fs.NewFile takes a new reference. It should hold the *only* reference. DecRef that socket Dirent. Before the globalDirentMap was introduced, a mis-refcounted Dirent would be garbage collected when all references to it were gone. For socket Dirents, this meant that they would be garbage collected when the associated fs.Files disappeared. After the globalDirentMap, Dirents *must* be reference-counted correctly to be garbage collected, as Dirents remove themselves from the global map when their refcount goes to -1 (see Dirent.destroy). That removes the last pointer to that Dirent. PiperOrigin-RevId: 196878973 Change-Id: Ic7afcd1de97c7101ccb13be5fc31de0fb50963f0
2018-05-15sentry: Replaces saving of inet.Stack with retrieval via context.Kevin Krakauer
Previously, inet.Stack was referenced in 2 structs in sentry/socket that can be saved/restored. If an app is saved and restored on another machine, it may try to use the old stack, which will have been replaced by a new stack on the new machine. PiperOrigin-RevId: 196733985 Change-Id: I6a8cfe73b5d7a90749734677dada635ab3389cb9
2018-05-04sentry: Adds the SIOCGIFNETMASK ioctl to epsocket.Kevin Krakauer
PiperOrigin-RevId: 195489319 Change-Id: I0841d41d042c6f91aa8d7f62c127213aa7953eac
2018-05-01Add support for ping socketsIan Gudger
PiperOrigin-RevId: 195049322 Change-Id: I09f6dd58cf10a2e50e53d17d2823d540102913c5
2018-05-01Implement SO_TIMESTAMPIan Gudger
PiperOrigin-RevId: 195047018 Change-Id: I6d99528a00a2125f414e1e51e067205289ec9d3d
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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