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authorgVisor bot <gvisor-bot@google.com>2020-06-17 17:07:17 +0000
committergVisor bot <gvisor-bot@google.com>2020-06-17 17:07:17 +0000
commit82621396212fecc1b57207192a34424491333c5a (patch)
treeb1f1ab02cda0878677fc5ce55b75a30a6cba9e13 /pkg/sentry/socket/unix
parentf7a93e64341c0ffe1c239b633051d8172b0b04b3 (diff)
parent96519e2c9d3fa1f15537c4dfc081a19d8d1ce1a2 (diff)
Merge release-20200608.0-69-g96519e2c9 (automated)
Diffstat (limited to 'pkg/sentry/socket/unix')
-rw-r--r--pkg/sentry/socket/unix/unix_vfs2.go16
1 files changed, 13 insertions, 3 deletions
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{}