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-rw-r--r--src/net/ipraw_test.go294
1 files changed, 294 insertions, 0 deletions
diff --git a/src/net/ipraw_test.go b/src/net/ipraw_test.go
new file mode 100644
index 000000000..92dc8dc56
--- /dev/null
+++ b/src/net/ipraw_test.go
@@ -0,0 +1,294 @@
+// Copyright 2009 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.
+
+package net
+
+import (
+ "bytes"
+ "fmt"
+ "os"
+ "reflect"
+ "runtime"
+ "testing"
+ "time"
+)
+
+type resolveIPAddrTest struct {
+ net string
+ litAddrOrName string
+ addr *IPAddr
+ err error
+}
+
+var resolveIPAddrTests = []resolveIPAddrTest{
+ {"ip", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
+ {"ip4", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
+ {"ip4:icmp", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
+
+ {"ip", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
+ {"ip6", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
+ {"ip6:ipv6-icmp", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
+ {"ip6:IPv6-ICMP", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
+
+ {"ip", "::1%en0", &IPAddr{IP: ParseIP("::1"), Zone: "en0"}, nil},
+ {"ip6", "::1%911", &IPAddr{IP: ParseIP("::1"), Zone: "911"}, nil},
+
+ {"", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil}, // Go 1.0 behavior
+ {"", "::1", &IPAddr{IP: ParseIP("::1")}, nil}, // Go 1.0 behavior
+
+ {"l2tp", "127.0.0.1", nil, UnknownNetworkError("l2tp")},
+ {"l2tp:gre", "127.0.0.1", nil, UnknownNetworkError("l2tp:gre")},
+ {"tcp", "1.2.3.4:123", nil, UnknownNetworkError("tcp")},
+}
+
+func init() {
+ if ifi := loopbackInterface(); ifi != nil {
+ index := fmt.Sprintf("%v", ifi.Index)
+ resolveIPAddrTests = append(resolveIPAddrTests, []resolveIPAddrTest{
+ {"ip6", "fe80::1%" + ifi.Name, &IPAddr{IP: ParseIP("fe80::1"), Zone: zoneToString(ifi.Index)}, nil},
+ {"ip6", "fe80::1%" + index, &IPAddr{IP: ParseIP("fe80::1"), Zone: index}, nil},
+ }...)
+ }
+ if ips, err := LookupIP("localhost"); err == nil && len(ips) > 1 && supportsIPv4 && supportsIPv6 {
+ resolveIPAddrTests = append(resolveIPAddrTests, []resolveIPAddrTest{
+ {"ip", "localhost", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
+ {"ip4", "localhost", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
+ {"ip6", "localhost", &IPAddr{IP: IPv6loopback}, nil},
+ }...)
+ }
+}
+
+func skipRawSocketTest(t *testing.T) (skip bool, skipmsg string) {
+ skip, skipmsg, err := skipRawSocketTests()
+ if err != nil {
+ t.Fatal(err)
+ }
+ return skip, skipmsg
+}
+
+func TestResolveIPAddr(t *testing.T) {
+ switch runtime.GOOS {
+ case "nacl":
+ t.Skipf("skipping test on %q", runtime.GOOS)
+ }
+
+ for _, tt := range resolveIPAddrTests {
+ addr, err := ResolveIPAddr(tt.net, tt.litAddrOrName)
+ if err != tt.err {
+ t.Fatalf("ResolveIPAddr(%v, %v) failed: %v", tt.net, tt.litAddrOrName, err)
+ } else if !reflect.DeepEqual(addr, tt.addr) {
+ t.Fatalf("got %#v; expected %#v", addr, tt.addr)
+ }
+ }
+}
+
+var icmpEchoTests = []struct {
+ net string
+ laddr string
+ raddr string
+}{
+ {"ip4:icmp", "0.0.0.0", "127.0.0.1"},
+ {"ip6:ipv6-icmp", "::", "::1"},
+}
+
+func TestConnICMPEcho(t *testing.T) {
+ if skip, skipmsg := skipRawSocketTest(t); skip {
+ t.Skip(skipmsg)
+ }
+
+ for i, tt := range icmpEchoTests {
+ net, _, err := parseNetwork(tt.net)
+ if err != nil {
+ t.Fatalf("parseNetwork failed: %v", err)
+ }
+ if net == "ip6" && !supportsIPv6 {
+ continue
+ }
+
+ c, err := Dial(tt.net, tt.raddr)
+ if err != nil {
+ t.Fatalf("Dial failed: %v", err)
+ }
+ c.SetDeadline(time.Now().Add(100 * time.Millisecond))
+ defer c.Close()
+
+ typ := icmpv4EchoRequest
+ if net == "ip6" {
+ typ = icmpv6EchoRequest
+ }
+ xid, xseq := os.Getpid()&0xffff, i+1
+ wb, err := (&icmpMessage{
+ Type: typ, Code: 0,
+ Body: &icmpEcho{
+ ID: xid, Seq: xseq,
+ Data: bytes.Repeat([]byte("Go Go Gadget Ping!!!"), 3),
+ },
+ }).Marshal()
+ if err != nil {
+ t.Fatalf("icmpMessage.Marshal failed: %v", err)
+ }
+ if _, err := c.Write(wb); err != nil {
+ t.Fatalf("Conn.Write failed: %v", err)
+ }
+ var m *icmpMessage
+ rb := make([]byte, 20+len(wb))
+ for {
+ if _, err := c.Read(rb); err != nil {
+ t.Fatalf("Conn.Read failed: %v", err)
+ }
+ if net == "ip4" {
+ rb = ipv4Payload(rb)
+ }
+ if m, err = parseICMPMessage(rb); err != nil {
+ t.Fatalf("parseICMPMessage failed: %v", err)
+ }
+ switch m.Type {
+ case icmpv4EchoRequest, icmpv6EchoRequest:
+ continue
+ }
+ break
+ }
+ switch p := m.Body.(type) {
+ case *icmpEcho:
+ if p.ID != xid || p.Seq != xseq {
+ t.Fatalf("got id=%v, seqnum=%v; expected id=%v, seqnum=%v", p.ID, p.Seq, xid, xseq)
+ }
+ default:
+ t.Fatalf("got type=%v, code=%v; expected type=%v, code=%v", m.Type, m.Code, typ, 0)
+ }
+ }
+}
+
+func TestPacketConnICMPEcho(t *testing.T) {
+ if skip, skipmsg := skipRawSocketTest(t); skip {
+ t.Skip(skipmsg)
+ }
+
+ for i, tt := range icmpEchoTests {
+ net, _, err := parseNetwork(tt.net)
+ if err != nil {
+ t.Fatalf("parseNetwork failed: %v", err)
+ }
+ if net == "ip6" && !supportsIPv6 {
+ continue
+ }
+
+ c, err := ListenPacket(tt.net, tt.laddr)
+ if err != nil {
+ t.Fatalf("ListenPacket failed: %v", err)
+ }
+ c.SetDeadline(time.Now().Add(100 * time.Millisecond))
+ defer c.Close()
+
+ ra, err := ResolveIPAddr(tt.net, tt.raddr)
+ if err != nil {
+ t.Fatalf("ResolveIPAddr failed: %v", err)
+ }
+ typ := icmpv4EchoRequest
+ if net == "ip6" {
+ typ = icmpv6EchoRequest
+ }
+ xid, xseq := os.Getpid()&0xffff, i+1
+ wb, err := (&icmpMessage{
+ Type: typ, Code: 0,
+ Body: &icmpEcho{
+ ID: xid, Seq: xseq,
+ Data: bytes.Repeat([]byte("Go Go Gadget Ping!!!"), 3),
+ },
+ }).Marshal()
+ if err != nil {
+ t.Fatalf("icmpMessage.Marshal failed: %v", err)
+ }
+ if _, err := c.WriteTo(wb, ra); err != nil {
+ t.Fatalf("PacketConn.WriteTo failed: %v", err)
+ }
+ var m *icmpMessage
+ rb := make([]byte, 20+len(wb))
+ for {
+ if _, _, err := c.ReadFrom(rb); err != nil {
+ t.Fatalf("PacketConn.ReadFrom failed: %v", err)
+ }
+ // See BUG section.
+ //if net == "ip4" {
+ // rb = ipv4Payload(rb)
+ //}
+ if m, err = parseICMPMessage(rb); err != nil {
+ t.Fatalf("parseICMPMessage failed: %v", err)
+ }
+ switch m.Type {
+ case icmpv4EchoRequest, icmpv6EchoRequest:
+ continue
+ }
+ break
+ }
+ switch p := m.Body.(type) {
+ case *icmpEcho:
+ if p.ID != xid || p.Seq != xseq {
+ t.Fatalf("got id=%v, seqnum=%v; expected id=%v, seqnum=%v", p.ID, p.Seq, xid, xseq)
+ }
+ default:
+ t.Fatalf("got type=%v, code=%v; expected type=%v, code=%v", m.Type, m.Code, typ, 0)
+ }
+ }
+}
+
+func ipv4Payload(b []byte) []byte {
+ if len(b) < 20 {
+ return b
+ }
+ hdrlen := int(b[0]&0x0f) << 2
+ return b[hdrlen:]
+}
+
+var ipConnLocalNameTests = []struct {
+ net string
+ laddr *IPAddr
+}{
+ {"ip4:icmp", &IPAddr{IP: IPv4(127, 0, 0, 1)}},
+ {"ip4:icmp", &IPAddr{}},
+ {"ip4:icmp", nil},
+}
+
+func TestIPConnLocalName(t *testing.T) {
+ switch runtime.GOOS {
+ case "nacl", "plan9", "windows":
+ t.Skipf("skipping test on %q", runtime.GOOS)
+ default:
+ if os.Getuid() != 0 {
+ t.Skip("skipping test; must be root")
+ }
+ }
+
+ for _, tt := range ipConnLocalNameTests {
+ c, err := ListenIP(tt.net, tt.laddr)
+ if err != nil {
+ t.Fatalf("ListenIP failed: %v", err)
+ }
+ defer c.Close()
+ if la := c.LocalAddr(); la == nil {
+ t.Fatal("IPConn.LocalAddr failed")
+ }
+ }
+}
+
+func TestIPConnRemoteName(t *testing.T) {
+ switch runtime.GOOS {
+ case "plan9", "windows":
+ t.Skipf("skipping test on %q", runtime.GOOS)
+ default:
+ if os.Getuid() != 0 {
+ t.Skip("skipping test; must be root")
+ }
+ }
+
+ raddr := &IPAddr{IP: IPv4(127, 0, 0, 1).To4()}
+ c, err := DialIP("ip:tcp", &IPAddr{IP: IPv4(127, 0, 0, 1)}, raddr)
+ if err != nil {
+ t.Fatalf("DialIP failed: %v", err)
+ }
+ defer c.Close()
+ if !reflect.DeepEqual(raddr, c.RemoteAddr()) {
+ t.Fatalf("got %#v, expected %#v", c.RemoteAddr(), raddr)
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-28 18:10:48 +0000