Merge pull request #765 from trailofbits:uds_support

PiperOrigin-RevId: 271235134

2 files changed, 11 insertions, 0 deletions

diff --git a/pkg/fd/BUILD b/pkg/fd/BUILD
index afa8f7659..c7f549428 100644
--- a/pkg/fd/BUILD
+++ b/pkg/fd/BUILD
@@ -8,6 +8,9 @@ go_library(
     srcs = ["fd.go"],
     importpath = "gvisor.dev/gvisor/pkg/fd",
     visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/unet",
+    ],
 )
 
 go_test(
diff --git a/pkg/fd/fd.go b/pkg/fd/fd.go
index 83bcfe220..7691b477b 100644
--- a/pkg/fd/fd.go
+++ b/pkg/fd/fd.go
@@ -22,6 +22,8 @@ import (
 	"runtime"
 	"sync/atomic"
 	"syscall"
+
+	"gvisor.dev/gvisor/pkg/unet"
 )
 
 // ReadWriter implements io.ReadWriter, io.ReaderAt, and io.WriterAt for fd. It
@@ -185,6 +187,12 @@ func OpenAt(dir *FD, path string, flags int, mode uint32) (*FD, error) {
 	return New(f), nil
 }
 
+// DialUnix connects to a Unix Domain Socket and return the file descriptor.
+func DialUnix(path string) (*FD, error) {
+	socket, err := unet.Connect(path, false)
+	return New(socket.FD()), err
+}
+
 // Close closes the file descriptor contained in the FD.
 //
 // Close is safe to call multiple times, but will return an error after the