summaryrefslogtreecommitdiffstats
path: root/src/net/iprawsock_test.go
blob: 8e3543dfc7fd71c733e1d674d1d0e53d1d9ed835 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
// 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.

// +build !js

package net

import (
	"reflect"
	"testing"
)

// The full stack test cases for IPConn have been moved to the
// following:
//	golang.org/x/net/ipv4
//	golang.org/x/net/ipv6
//	golang.org/x/net/icmp

type resolveIPAddrTest struct {
	network       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

	{"ip4:icmp", "", &IPAddr{}, nil},

	{"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")},

	{"ip4", "2001:db8::1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "2001:db8::1"}},
	{"ip4:icmp", "2001:db8::1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "2001:db8::1"}},
	{"ip6", "127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "127.0.0.1"}},
	{"ip6", "::ffff:127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "::ffff:127.0.0.1"}},
	{"ip6:ipv6-icmp", "127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "127.0.0.1"}},
	{"ip6:ipv6-icmp", "::ffff:127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "::ffff:127.0.0.1"}},
}

func TestResolveIPAddr(t *testing.T) {
	if !testableNetwork("ip+nopriv") {
		t.Skip("ip+nopriv test")
	}

	origTestHookLookupIP := testHookLookupIP
	defer func() { testHookLookupIP = origTestHookLookupIP }()
	testHookLookupIP = lookupLocalhost

	for _, tt := range resolveIPAddrTests {
		addr, err := ResolveIPAddr(tt.network, tt.litAddrOrName)
		if !reflect.DeepEqual(addr, tt.addr) || !reflect.DeepEqual(err, tt.err) {
			t.Errorf("ResolveIPAddr(%q, %q) = %#v, %v, want %#v, %v", tt.network, tt.litAddrOrName, addr, err, tt.addr, tt.err)
			continue
		}
		if err == nil {
			addr2, err := ResolveIPAddr(addr.Network(), addr.String())
			if !reflect.DeepEqual(addr2, tt.addr) || err != tt.err {
				t.Errorf("(%q, %q): ResolveIPAddr(%q, %q) = %#v, %v, want %#v, %v", tt.network, tt.litAddrOrName, addr.Network(), addr.String(), addr2, err, tt.addr, tt.err)
			}
		}
	}
}

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) {
	for _, tt := range ipConnLocalNameTests {
		if !testableNetwork(tt.net) {
			t.Logf("skipping %s test", tt.net)
			continue
		}
		c, err := ListenIP(tt.net, tt.laddr)
		if err != nil {
			t.Fatal(err)
		}
		defer c.Close()
		if la := c.LocalAddr(); la == nil {
			t.Fatal("should not fail")
		}
	}
}

func TestIPConnRemoteName(t *testing.T) {
	if !testableNetwork("ip:tcp") {
		t.Skip("ip:tcp test")
	}

	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.Fatal(err)
	}
	defer c.Close()
	if !reflect.DeepEqual(raddr, c.RemoteAddr()) {
		t.Fatalf("got %#v; want %#v", c.RemoteAddr(), raddr)
	}
}

func TestDialListenIPArgs(t *testing.T) {
	type test struct {
		argLists   [][2]string
		shouldFail bool
	}
	tests := []test{
		{
			argLists: [][2]string{
				{"ip", "127.0.0.1"},
				{"ip:", "127.0.0.1"},
				{"ip::", "127.0.0.1"},
				{"ip", "::1"},
				{"ip:", "::1"},
				{"ip::", "::1"},
				{"ip4", "127.0.0.1"},
				{"ip4:", "127.0.0.1"},
				{"ip4::", "127.0.0.1"},
				{"ip6", "::1"},
				{"ip6:", "::1"},
				{"ip6::", "::1"},
			},
			shouldFail: true,
		},
	}
	if testableNetwork("ip") {
		priv := test{shouldFail: false}
		for _, tt := range []struct {
			network, address string
			args             [2]string
		}{
			{"ip4:47", "127.0.0.1", [2]string{"ip4:47", "127.0.0.1"}},
			{"ip6:47", "::1", [2]string{"ip6:47", "::1"}},
		} {
			c, err := ListenPacket(tt.network, tt.address)
			if err != nil {
				continue
			}
			c.Close()
			priv.argLists = append(priv.argLists, tt.args)
		}
		if len(priv.argLists) > 0 {
			tests = append(tests, priv)
		}
	}

	for _, tt := range tests {
		for _, args := range tt.argLists {
			_, err := Dial(args[0], args[1])
			if tt.shouldFail != (err != nil) {
				t.Errorf("Dial(%q, %q) = %v; want (err != nil) is %t", args[0], args[1], err, tt.shouldFail)
			}
			_, err = ListenPacket(args[0], args[1])
			if tt.shouldFail != (err != nil) {
				t.Errorf("ListenPacket(%q, %q) = %v; want (err != nil) is %t", args[0], args[1], err, tt.shouldFail)
			}
			a, err := ResolveIPAddr("ip", args[1])
			if err != nil {
				t.Errorf("ResolveIPAddr(\"ip\", %q) = %v", args[1], err)
				continue
			}
			_, err = DialIP(args[0], nil, a)
			if tt.shouldFail != (err != nil) {
				t.Errorf("DialIP(%q, %v) = %v; want (err != nil) is %t", args[0], a, err, tt.shouldFail)
			}
			_, err = ListenIP(args[0], a)
			if tt.shouldFail != (err != nil) {
				t.Errorf("ListenIP(%q, %v) = %v; want (err != nil) is %t", args[0], a, err, tt.shouldFail)
			}
		}
	}
}