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authorgVisor bot <gvisor-bot@google.com>2019-06-10 22:42:41 +0000
committergVisor bot <gvisor-bot@google.com>2019-06-10 22:42:41 +0000
commit8390a8227b571e82c42e3e90aa28a7b86f7e3f9b (patch)
tree8bfad5169182b7ba1c6ed5f3df0279729cc200b0 /pkg/sentry/socket/rpcinet
parent4f56f1bf2248bb17da8b269b4191218d85ce6587 (diff)
parenta00157cc0e216a9829f2659ce35c856a22aa5ba2 (diff)
Merge a00157cc (automated)
Diffstat (limited to 'pkg/sentry/socket/rpcinet')
-rw-r--r--pkg/sentry/socket/rpcinet/socket.go31
1 files changed, 23 insertions, 8 deletions
diff --git a/pkg/sentry/socket/rpcinet/socket.go b/pkg/sentry/socket/rpcinet/socket.go
index 55e0b6665..c22ff1ff0 100644
--- a/pkg/sentry/socket/rpcinet/socket.go
+++ b/pkg/sentry/socket/rpcinet/socket.go
@@ -32,7 +32,6 @@ import (
"gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet/conn"
"gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet/notifier"
pb "gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet/syscall_rpc_go_proto"
- "gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
"gvisor.googlesource.com/gvisor/pkg/sentry/unimpl"
"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
"gvisor.googlesource.com/gvisor/pkg/syserr"
@@ -54,7 +53,10 @@ type socketOperations struct {
fsutil.FileUseInodeUnstableAttr `state:"nosave"`
socket.SendReceiveTimeout
- family int // Read-only.
+ family int // Read-only.
+ stype linux.SockType // Read-only.
+ protocol int // Read-only.
+
fd uint32 // must be O_NONBLOCK
wq *waiter.Queue
rpcConn *conn.RPCConnection
@@ -70,7 +72,7 @@ type socketOperations struct {
var _ = socket.Socket(&socketOperations{})
// New creates a new RPC socket.
-func newSocketFile(ctx context.Context, stack *Stack, family int, skType int, protocol int) (*fs.File, *syserr.Error) {
+func newSocketFile(ctx context.Context, stack *Stack, family int, skType linux.SockType, protocol int) (*fs.File, *syserr.Error) {
id, c := stack.rpcConn.NewRequest(pb.SyscallRequest{Args: &pb.SyscallRequest_Socket{&pb.SocketRequest{Family: int64(family), Type: int64(skType | syscall.SOCK_NONBLOCK), Protocol: int64(protocol)}}}, false /* ignoreResult */)
<-c
@@ -87,6 +89,8 @@ func newSocketFile(ctx context.Context, stack *Stack, family int, skType int, pr
defer dirent.DecRef()
return fs.NewFile(ctx, dirent, fs.FileFlags{Read: true, Write: true}, &socketOperations{
family: family,
+ stype: skType,
+ protocol: protocol,
wq: &wq,
fd: fd,
rpcConn: stack.rpcConn,
@@ -333,7 +337,7 @@ func (s *socketOperations) Accept(t *kernel.Task, peerRequested bool, flags int,
if err != nil {
return 0, nil, 0, syserr.FromError(err)
}
- t.Kernel().RecordSocket(file, s.family)
+ t.Kernel().RecordSocket(file)
if peerRequested {
return fd, payload.Address.Address, payload.Address.Length, nil
@@ -830,12 +834,23 @@ func (s *socketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to []
}
}
+// State implements socket.Socket.State.
+func (s *socketOperations) State() uint32 {
+ // TODO(b/127845868): Define a new rpc to query the socket state.
+ return 0
+}
+
+// Type implements socket.Socket.Type.
+func (s *socketOperations) Type() (family int, skType linux.SockType, protocol int) {
+ return s.family, s.stype, s.protocol
+}
+
type socketProvider struct {
family int
}
// Socket implements socket.Provider.Socket.
-func (p *socketProvider) Socket(t *kernel.Task, stypeflags transport.SockType, protocol int) (*fs.File, *syserr.Error) {
+func (p *socketProvider) Socket(t *kernel.Task, stypeflags linux.SockType, protocol int) (*fs.File, *syserr.Error) {
// Check that we are using the RPC network stack.
stack := t.NetworkContext()
if stack == nil {
@@ -851,7 +866,7 @@ func (p *socketProvider) Socket(t *kernel.Task, stypeflags transport.SockType, p
//
// Try to restrict the flags we will accept to minimize backwards
// incompatibility with netstack.
- stype := int(stypeflags) & linux.SOCK_TYPE_MASK
+ stype := stypeflags & linux.SOCK_TYPE_MASK
switch stype {
case syscall.SOCK_STREAM:
switch protocol {
@@ -871,11 +886,11 @@ func (p *socketProvider) Socket(t *kernel.Task, stypeflags transport.SockType, p
return nil, nil
}
- return newSocketFile(t, s, p.family, stype, 0)
+ return newSocketFile(t, s, p.family, stype, protocol)
}
// Pair implements socket.Provider.Pair.
-func (p *socketProvider) Pair(t *kernel.Task, stype transport.SockType, protocol int) (*fs.File, *fs.File, *syserr.Error) {
+func (p *socketProvider) Pair(t *kernel.Task, stype linux.SockType, protocol int) (*fs.File, *fs.File, *syserr.Error) {
// Not supported by AF_INET/AF_INET6.
return nil, nil, nil
}