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path: root/libgo/go/net/unixsock_test.go
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Diffstat (limited to 'libgo/go/net/unixsock_test.go')
-rw-r--r--libgo/go/net/unixsock_test.go518
1 files changed, 518 insertions, 0 deletions
diff --git a/libgo/go/net/unixsock_test.go b/libgo/go/net/unixsock_test.go
new file mode 100644
index 0000000000..489a29bc7d
--- /dev/null
+++ b/libgo/go/net/unixsock_test.go
@@ -0,0 +1,518 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !nacl,!plan9,!windows
+
+package net
+
+import (
+ "bytes"
+ "internal/testenv"
+ "io/ioutil"
+ "os"
+ "reflect"
+ "runtime"
+ "syscall"
+ "testing"
+ "time"
+)
+
+func TestReadUnixgramWithUnnamedSocket(t *testing.T) {
+ if !testableNetwork("unixgram") {
+ t.Skip("unixgram test")
+ }
+ if runtime.GOOS == "openbsd" {
+ testenv.SkipFlaky(t, 15157)
+ }
+
+ addr := testUnixAddr()
+ la, err := ResolveUnixAddr("unixgram", addr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ c, err := ListenUnixgram("unixgram", la)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer func() {
+ c.Close()
+ os.Remove(addr)
+ }()
+
+ off := make(chan bool)
+ data := [5]byte{1, 2, 3, 4, 5}
+ go func() {
+ defer func() { off <- true }()
+ s, err := syscall.Socket(syscall.AF_UNIX, syscall.SOCK_DGRAM, 0)
+ if err != nil {
+ t.Error(err)
+ return
+ }
+ defer syscall.Close(s)
+ rsa := &syscall.SockaddrUnix{Name: addr}
+ if err := syscall.Sendto(s, data[:], 0, rsa); err != nil {
+ t.Error(err)
+ return
+ }
+ }()
+
+ <-off
+ b := make([]byte, 64)
+ c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
+ n, from, err := c.ReadFrom(b)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if from != nil {
+ t.Fatalf("unexpected peer address: %v", from)
+ }
+ if !bytes.Equal(b[:n], data[:]) {
+ t.Fatalf("got %v; want %v", b[:n], data[:])
+ }
+}
+
+func TestUnixgramZeroBytePayload(t *testing.T) {
+ if !testableNetwork("unixgram") {
+ t.Skip("unixgram test")
+ }
+
+ c1, err := newLocalPacketListener("unixgram")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(c1.LocalAddr().String())
+ defer c1.Close()
+
+ c2, err := Dial("unixgram", c1.LocalAddr().String())
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(c2.LocalAddr().String())
+ defer c2.Close()
+
+ for _, genericRead := range []bool{false, true} {
+ n, err := c2.Write(nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if n != 0 {
+ t.Errorf("got %d; want 0", n)
+ }
+ c1.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
+ var b [1]byte
+ var peer Addr
+ if genericRead {
+ _, err = c1.(Conn).Read(b[:])
+ } else {
+ _, peer, err = c1.ReadFrom(b[:])
+ }
+ switch err {
+ case nil: // ReadFrom succeeds
+ if peer != nil { // peer is connected-mode
+ t.Fatalf("unexpected peer address: %v", peer)
+ }
+ default: // Read may timeout, it depends on the platform
+ if nerr, ok := err.(Error); !ok || !nerr.Timeout() {
+ t.Fatal(err)
+ }
+ }
+ }
+}
+
+func TestUnixgramZeroByteBuffer(t *testing.T) {
+ if !testableNetwork("unixgram") {
+ t.Skip("unixgram test")
+ }
+ // issue 4352: Recvfrom failed with "address family not
+ // supported by protocol family" if zero-length buffer provided
+
+ c1, err := newLocalPacketListener("unixgram")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(c1.LocalAddr().String())
+ defer c1.Close()
+
+ c2, err := Dial("unixgram", c1.LocalAddr().String())
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(c2.LocalAddr().String())
+ defer c2.Close()
+
+ b := []byte("UNIXGRAM ZERO BYTE BUFFER TEST")
+ for _, genericRead := range []bool{false, true} {
+ n, err := c2.Write(b)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if n != len(b) {
+ t.Errorf("got %d; want %d", n, len(b))
+ }
+ c1.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
+ var peer Addr
+ if genericRead {
+ _, err = c1.(Conn).Read(nil)
+ } else {
+ _, peer, err = c1.ReadFrom(nil)
+ }
+ switch err {
+ case nil: // ReadFrom succeeds
+ if peer != nil { // peer is connected-mode
+ t.Fatalf("unexpected peer address: %v", peer)
+ }
+ default: // Read may timeout, it depends on the platform
+ if nerr, ok := err.(Error); !ok || !nerr.Timeout() {
+ t.Fatal(err)
+ }
+ }
+ }
+}
+
+func TestUnixgramAutobind(t *testing.T) {
+ if runtime.GOOS != "linux" {
+ t.Skip("autobind is linux only")
+ }
+
+ laddr := &UnixAddr{Name: "", Net: "unixgram"}
+ c1, err := ListenUnixgram("unixgram", laddr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c1.Close()
+
+ // retrieve the autobind address
+ autoAddr := c1.LocalAddr().(*UnixAddr)
+ if len(autoAddr.Name) <= 1 {
+ t.Fatalf("invalid autobind address: %v", autoAddr)
+ }
+ if autoAddr.Name[0] != '@' {
+ t.Fatalf("invalid autobind address: %v", autoAddr)
+ }
+
+ c2, err := DialUnix("unixgram", nil, autoAddr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c2.Close()
+
+ if !reflect.DeepEqual(c1.LocalAddr(), c2.RemoteAddr()) {
+ t.Fatalf("expected autobind address %v, got %v", c1.LocalAddr(), c2.RemoteAddr())
+ }
+}
+
+func TestUnixAutobindClose(t *testing.T) {
+ if runtime.GOOS != "linux" {
+ t.Skip("autobind is linux only")
+ }
+
+ laddr := &UnixAddr{Name: "", Net: "unix"}
+ ln, err := ListenUnix("unix", laddr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ ln.Close()
+}
+
+func TestUnixgramWrite(t *testing.T) {
+ if !testableNetwork("unixgram") {
+ t.Skip("unixgram test")
+ }
+
+ addr := testUnixAddr()
+ laddr, err := ResolveUnixAddr("unixgram", addr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ c, err := ListenPacket("unixgram", addr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(addr)
+ defer c.Close()
+
+ testUnixgramWriteConn(t, laddr)
+ testUnixgramWritePacketConn(t, laddr)
+}
+
+func testUnixgramWriteConn(t *testing.T, raddr *UnixAddr) {
+ c, err := Dial("unixgram", raddr.String())
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c.Close()
+
+ b := []byte("CONNECTED-MODE SOCKET")
+ if _, err := c.(*UnixConn).WriteToUnix(b, raddr); err == nil {
+ t.Fatal("should fail")
+ } else if err.(*OpError).Err != ErrWriteToConnected {
+ t.Fatalf("should fail as ErrWriteToConnected: %v", err)
+ }
+ if _, err = c.(*UnixConn).WriteTo(b, raddr); err == nil {
+ t.Fatal("should fail")
+ } else if err.(*OpError).Err != ErrWriteToConnected {
+ t.Fatalf("should fail as ErrWriteToConnected: %v", err)
+ }
+ if _, _, err = c.(*UnixConn).WriteMsgUnix(b, nil, raddr); err == nil {
+ t.Fatal("should fail")
+ } else if err.(*OpError).Err != ErrWriteToConnected {
+ t.Fatalf("should fail as ErrWriteToConnected: %v", err)
+ }
+ if _, err := c.Write(b); err != nil {
+ t.Fatal(err)
+ }
+}
+
+func testUnixgramWritePacketConn(t *testing.T, raddr *UnixAddr) {
+ addr := testUnixAddr()
+ c, err := ListenPacket("unixgram", addr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.Remove(addr)
+ defer c.Close()
+
+ b := []byte("UNCONNECTED-MODE SOCKET")
+ if _, err := c.(*UnixConn).WriteToUnix(b, raddr); err != nil {
+ t.Fatal(err)
+ }
+ if _, err := c.WriteTo(b, raddr); err != nil {
+ t.Fatal(err)
+ }
+ if _, _, err := c.(*UnixConn).WriteMsgUnix(b, nil, raddr); err != nil {
+ t.Fatal(err)
+ }
+ if _, err := c.(*UnixConn).Write(b); err == nil {
+ t.Fatal("should fail")
+ }
+}
+
+func TestUnixConnLocalAndRemoteNames(t *testing.T) {
+ if !testableNetwork("unix") {
+ t.Skip("unix test")
+ }
+
+ handler := func(ls *localServer, ln Listener) {}
+ for _, laddr := range []string{"", testUnixAddr()} {
+ laddr := laddr
+ taddr := testUnixAddr()
+ ta, err := ResolveUnixAddr("unix", taddr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ ln, err := ListenUnix("unix", ta)
+ if err != nil {
+ t.Fatal(err)
+ }
+ ls, err := (&streamListener{Listener: ln}).newLocalServer()
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer ls.teardown()
+ if err := ls.buildup(handler); err != nil {
+ t.Fatal(err)
+ }
+
+ la, err := ResolveUnixAddr("unix", laddr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ c, err := DialUnix("unix", la, ta)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer func() {
+ c.Close()
+ if la != nil {
+ defer os.Remove(laddr)
+ }
+ }()
+ if _, err := c.Write([]byte("UNIXCONN LOCAL AND REMOTE NAME TEST")); err != nil {
+ t.Fatal(err)
+ }
+
+ switch runtime.GOOS {
+ case "android", "linux":
+ if laddr == "" {
+ laddr = "@" // autobind feature
+ }
+ }
+ var connAddrs = [3]struct{ got, want Addr }{
+ {ln.Addr(), ta},
+ {c.LocalAddr(), &UnixAddr{Name: laddr, Net: "unix"}},
+ {c.RemoteAddr(), ta},
+ }
+ for _, ca := range connAddrs {
+ if !reflect.DeepEqual(ca.got, ca.want) {
+ t.Fatalf("got %#v, expected %#v", ca.got, ca.want)
+ }
+ }
+ }
+}
+
+func TestUnixgramConnLocalAndRemoteNames(t *testing.T) {
+ if !testableNetwork("unixgram") {
+ t.Skip("unixgram test")
+ }
+
+ for _, laddr := range []string{"", testUnixAddr()} {
+ laddr := laddr
+ taddr := testUnixAddr()
+ ta, err := ResolveUnixAddr("unixgram", taddr)
+ if err != nil {
+ t.Fatal(err)
+ }
+ c1, err := ListenUnixgram("unixgram", ta)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer func() {
+ c1.Close()
+ os.Remove(taddr)
+ }()
+
+ var la *UnixAddr
+ if laddr != "" {
+ if la, err = ResolveUnixAddr("unixgram", laddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+ c2, err := DialUnix("unixgram", la, ta)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer func() {
+ c2.Close()
+ if la != nil {
+ defer os.Remove(laddr)
+ }
+ }()
+
+ switch runtime.GOOS {
+ case "android", "linux":
+ if laddr == "" {
+ laddr = "@" // autobind feature
+ }
+ }
+
+ var connAddrs = [4]struct{ got, want Addr }{
+ {c1.LocalAddr(), ta},
+ {c1.RemoteAddr(), nil},
+ {c2.LocalAddr(), &UnixAddr{Name: laddr, Net: "unixgram"}},
+ {c2.RemoteAddr(), ta},
+ }
+ for _, ca := range connAddrs {
+ if !reflect.DeepEqual(ca.got, ca.want) {
+ t.Fatalf("got %#v; want %#v", ca.got, ca.want)
+ }
+ }
+ }
+}
+
+func TestUnixUnlink(t *testing.T) {
+ if !testableNetwork("unix") {
+ t.Skip("unix test")
+ }
+ name := testUnixAddr()
+
+ listen := func(t *testing.T) *UnixListener {
+ l, err := Listen("unix", name)
+ if err != nil {
+ t.Fatal(err)
+ }
+ return l.(*UnixListener)
+ }
+ checkExists := func(t *testing.T, desc string) {
+ if _, err := os.Stat(name); err != nil {
+ t.Fatalf("unix socket does not exist %s: %v", desc, err)
+ }
+ }
+ checkNotExists := func(t *testing.T, desc string) {
+ if _, err := os.Stat(name); err == nil {
+ t.Fatalf("unix socket does exist %s: %v", desc, err)
+ }
+ }
+
+ // Listener should remove on close.
+ t.Run("Listen", func(t *testing.T) {
+ l := listen(t)
+ checkExists(t, "after Listen")
+ l.Close()
+ checkNotExists(t, "after Listener close")
+ })
+
+ // FileListener should not.
+ t.Run("FileListener", func(t *testing.T) {
+ l := listen(t)
+ f, _ := l.File()
+ l1, _ := FileListener(f)
+ checkExists(t, "after FileListener")
+ f.Close()
+ checkExists(t, "after File close")
+ l1.Close()
+ checkExists(t, "after FileListener close")
+ l.Close()
+ checkNotExists(t, "after Listener close")
+ })
+
+ // Only first call to l.Close should remove.
+ t.Run("SecondClose", func(t *testing.T) {
+ l := listen(t)
+ checkExists(t, "after Listen")
+ l.Close()
+ checkNotExists(t, "after Listener close")
+ if err := ioutil.WriteFile(name, []byte("hello world"), 0666); err != nil {
+ t.Fatalf("cannot recreate socket file: %v", err)
+ }
+ checkExists(t, "after writing temp file")
+ l.Close()
+ checkExists(t, "after second Listener close")
+ os.Remove(name)
+ })
+
+ // SetUnlinkOnClose should do what it says.
+
+ t.Run("Listen/SetUnlinkOnClose(true)", func(t *testing.T) {
+ l := listen(t)
+ checkExists(t, "after Listen")
+ l.SetUnlinkOnClose(true)
+ l.Close()
+ checkNotExists(t, "after Listener close")
+ })
+
+ t.Run("Listen/SetUnlinkOnClose(false)", func(t *testing.T) {
+ l := listen(t)
+ checkExists(t, "after Listen")
+ l.SetUnlinkOnClose(false)
+ l.Close()
+ checkExists(t, "after Listener close")
+ os.Remove(name)
+ })
+
+ t.Run("FileListener/SetUnlinkOnClose(true)", func(t *testing.T) {
+ l := listen(t)
+ f, _ := l.File()
+ l1, _ := FileListener(f)
+ checkExists(t, "after FileListener")
+ l1.(*UnixListener).SetUnlinkOnClose(true)
+ f.Close()
+ checkExists(t, "after File close")
+ l1.Close()
+ checkNotExists(t, "after FileListener close")
+ l.Close()
+ })
+
+ t.Run("FileListener/SetUnlinkOnClose(false)", func(t *testing.T) {
+ l := listen(t)
+ f, _ := l.File()
+ l1, _ := FileListener(f)
+ checkExists(t, "after FileListener")
+ l1.(*UnixListener).SetUnlinkOnClose(false)
+ f.Close()
+ checkExists(t, "after File close")
+ l1.Close()
+ checkExists(t, "after FileListener close")
+ l.Close()
+ })
+}
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