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-rw-r--r--pkg/sentry/socket/hostinet/socket_vfs2.go14
-rw-r--r--pkg/sentry/socket/netlink/socket_vfs2.go14
-rw-r--r--pkg/sentry/socket/netstack/netstack_vfs2.go14
-rw-r--r--pkg/sentry/socket/unix/unix_vfs2.go16
4 files changed, 49 insertions, 9 deletions
diff --git a/pkg/sentry/socket/hostinet/socket_vfs2.go b/pkg/sentry/socket/hostinet/socket_vfs2.go
index 027add1fd..ad5f64799 100644
--- a/pkg/sentry/socket/hostinet/socket_vfs2.go
+++ b/pkg/sentry/socket/hostinet/socket_vfs2.go
@@ -21,12 +21,12 @@ import (
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/fdnotifier"
"gvisor.dev/gvisor/pkg/sentry/arch"
+ fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/sockfs"
"gvisor.dev/gvisor/pkg/sentry/hostfd"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/socket"
"gvisor.dev/gvisor/pkg/sentry/vfs"
- "gvisor.dev/gvisor/pkg/sentry/vfs/lock"
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/usermem"
@@ -61,7 +61,7 @@ func newVFS2Socket(t *kernel.Task, family int, stype linux.SockType, protocol in
fd: fd,
},
}
- s.LockFD.Init(&lock.FileLocks{})
+ s.LockFD.Init(&vfs.FileLocks{})
if err := fdnotifier.AddFD(int32(fd), &s.queue); err != nil {
return nil, syserr.FromError(err)
}
@@ -134,6 +134,16 @@ func (s *socketVFS2) Write(ctx context.Context, src usermem.IOSequence, opts vfs
return int64(n), err
}
+// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
+func (s *socketVFS2) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
+ return s.Locks().LockPOSIX(ctx, &s.vfsfd, uid, t, start, length, whence, block)
+}
+
+// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
+func (s *socketVFS2) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
+ return s.Locks().UnlockPOSIX(ctx, &s.vfsfd, uid, start, length, whence)
+}
+
type socketProviderVFS2 struct {
family int
}
diff --git a/pkg/sentry/socket/netlink/socket_vfs2.go b/pkg/sentry/socket/netlink/socket_vfs2.go
index 8bfee5193..dbcd8b49a 100644
--- a/pkg/sentry/socket/netlink/socket_vfs2.go
+++ b/pkg/sentry/socket/netlink/socket_vfs2.go
@@ -18,12 +18,12 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/sentry/arch"
+ fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/socket"
"gvisor.dev/gvisor/pkg/sentry/socket/unix"
"gvisor.dev/gvisor/pkg/sentry/socket/unix/transport"
"gvisor.dev/gvisor/pkg/sentry/vfs"
- "gvisor.dev/gvisor/pkg/sentry/vfs/lock"
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/tcpip"
@@ -78,7 +78,7 @@ func NewVFS2(t *kernel.Task, skType linux.SockType, protocol Protocol) (*SocketV
sendBufferSize: defaultSendBufferSize,
},
}
- fd.LockFD.Init(&lock.FileLocks{})
+ fd.LockFD.Init(&vfs.FileLocks{})
return fd, nil
}
@@ -140,3 +140,13 @@ func (s *SocketVFS2) Write(ctx context.Context, src usermem.IOSequence, opts vfs
n, err := s.sendMsg(ctx, src, nil, 0, socket.ControlMessages{})
return int64(n), err.ToError()
}
+
+// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
+func (s *SocketVFS2) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
+ return s.Locks().LockPOSIX(ctx, &s.vfsfd, uid, t, start, length, whence, block)
+}
+
+// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
+func (s *SocketVFS2) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
+ return s.Locks().UnlockPOSIX(ctx, &s.vfsfd, uid, start, length, whence)
+}
diff --git a/pkg/sentry/socket/netstack/netstack_vfs2.go b/pkg/sentry/socket/netstack/netstack_vfs2.go
index 1412a4810..d65a89316 100644
--- a/pkg/sentry/socket/netstack/netstack_vfs2.go
+++ b/pkg/sentry/socket/netstack/netstack_vfs2.go
@@ -19,13 +19,13 @@ import (
"gvisor.dev/gvisor/pkg/amutex"
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/sentry/arch"
+ fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/sockfs"
"gvisor.dev/gvisor/pkg/sentry/inet"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/socket"
"gvisor.dev/gvisor/pkg/sentry/socket/netfilter"
"gvisor.dev/gvisor/pkg/sentry/vfs"
- "gvisor.dev/gvisor/pkg/sentry/vfs/lock"
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/tcpip"
@@ -66,7 +66,7 @@ func NewVFS2(t *kernel.Task, family int, skType linux.SockType, protocol int, qu
protocol: protocol,
},
}
- s.LockFD.Init(&lock.FileLocks{})
+ s.LockFD.Init(&vfs.FileLocks{})
vfsfd := &s.vfsfd
if err := vfsfd.Init(s, linux.O_RDWR, mnt, d, &vfs.FileDescriptionOptions{
DenyPRead: true,
@@ -318,3 +318,13 @@ func (s *SocketVFS2) SetSockOpt(t *kernel.Task, level int, name int, optVal []by
return SetSockOpt(t, s, s.Endpoint, level, name, optVal)
}
+
+// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
+func (s *SocketVFS2) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
+ return s.Locks().LockPOSIX(ctx, &s.vfsfd, uid, t, start, length, whence, block)
+}
+
+// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
+func (s *SocketVFS2) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
+ return s.Locks().UnlockPOSIX(ctx, &s.vfsfd, uid, start, length, whence)
+}
diff --git a/pkg/sentry/socket/unix/unix_vfs2.go b/pkg/sentry/socket/unix/unix_vfs2.go
index 8c32371a2..ff2149250 100644
--- a/pkg/sentry/socket/unix/unix_vfs2.go
+++ b/pkg/sentry/socket/unix/unix_vfs2.go
@@ -19,6 +19,7 @@ import (
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/fspath"
"gvisor.dev/gvisor/pkg/sentry/arch"
+ fslock "gvisor.dev/gvisor/pkg/sentry/fs/lock"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/sockfs"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/socket"
@@ -26,7 +27,6 @@ import (
"gvisor.dev/gvisor/pkg/sentry/socket/netstack"
"gvisor.dev/gvisor/pkg/sentry/socket/unix/transport"
"gvisor.dev/gvisor/pkg/sentry/vfs"
- "gvisor.dev/gvisor/pkg/sentry/vfs/lock"
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/tcpip"
@@ -53,7 +53,7 @@ func NewSockfsFile(t *kernel.Task, ep transport.Endpoint, stype linux.SockType)
mnt := t.Kernel().SocketMount()
d := sockfs.NewDentry(t.Credentials(), mnt)
- fd, err := NewFileDescription(ep, stype, linux.O_RDWR, mnt, d, &lock.FileLocks{})
+ fd, err := NewFileDescription(ep, stype, linux.O_RDWR, mnt, d, &vfs.FileLocks{})
if err != nil {
return nil, syserr.FromError(err)
}
@@ -62,7 +62,7 @@ func NewSockfsFile(t *kernel.Task, ep transport.Endpoint, stype linux.SockType)
// NewFileDescription creates and returns a socket file description
// corresponding to the given mount and dentry.
-func NewFileDescription(ep transport.Endpoint, stype linux.SockType, flags uint32, mnt *vfs.Mount, d *vfs.Dentry, locks *lock.FileLocks) (*vfs.FileDescription, error) {
+func NewFileDescription(ep transport.Endpoint, stype linux.SockType, flags uint32, mnt *vfs.Mount, d *vfs.Dentry, locks *vfs.FileLocks) (*vfs.FileDescription, error) {
// You can create AF_UNIX, SOCK_RAW sockets. They're the same as
// SOCK_DGRAM and don't require CAP_NET_RAW.
if stype == linux.SOCK_RAW {
@@ -300,6 +300,16 @@ func (s *SocketVFS2) SetSockOpt(t *kernel.Task, level int, name int, optVal []by
return netstack.SetSockOpt(t, s, s.ep, level, name, optVal)
}
+// LockPOSIX implements vfs.FileDescriptionImpl.LockPOSIX.
+func (s *SocketVFS2) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t fslock.LockType, start, length uint64, whence int16, block fslock.Blocker) error {
+ return s.Locks().LockPOSIX(ctx, &s.vfsfd, uid, t, start, length, whence, block)
+}
+
+// UnlockPOSIX implements vfs.FileDescriptionImpl.UnlockPOSIX.
+func (s *SocketVFS2) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
+ return s.Locks().UnlockPOSIX(ctx, &s.vfsfd, uid, start, length, whence)
+}
+
// providerVFS2 is a unix domain socket provider for VFS2.
type providerVFS2 struct{}