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Diffstat (limited to 'src/pkg/net/ipraw_test.go')
-rw-r--r--src/pkg/net/ipraw_test.go121
1 files changed, 0 insertions, 121 deletions
diff --git a/src/pkg/net/ipraw_test.go b/src/pkg/net/ipraw_test.go
deleted file mode 100644
index 7cc9604b5..000000000
--- a/src/pkg/net/ipraw_test.go
+++ /dev/null
@@ -1,121 +0,0 @@
-// 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.
-
-
-// TODO(cw): ListenPacket test, Read() test, ipv6 test &
-// Dial()/Listen() level tests
-
-package net
-
-import (
- "bytes"
- "flag"
- "os"
- "testing"
-)
-
-const ICMP_ECHO_REQUEST = 8
-const ICMP_ECHO_REPLY = 0
-
-// returns a suitable 'ping request' packet, with id & seq and a
-// payload length of pktlen
-func makePingRequest(id, seq, pktlen int, filler []byte) []byte {
- p := make([]byte, pktlen)
- copy(p[8:], bytes.Repeat(filler, (pktlen-8)/len(filler)+1))
-
- p[0] = ICMP_ECHO_REQUEST // type
- p[1] = 0 // code
- p[2] = 0 // cksum
- p[3] = 0 // cksum
- p[4] = uint8(id >> 8) // id
- p[5] = uint8(id & 0xff) // id
- p[6] = uint8(seq >> 8) // sequence
- p[7] = uint8(seq & 0xff) // sequence
-
- // calculate icmp checksum
- cklen := len(p)
- s := uint32(0)
- for i := 0; i < (cklen - 1); i += 2 {
- s += uint32(p[i+1])<<8 | uint32(p[i])
- }
- if cklen&1 == 1 {
- s += uint32(p[cklen-1])
- }
- s = (s >> 16) + (s & 0xffff)
- s = s + (s >> 16)
-
- // place checksum back in header; using ^= avoids the
- // assumption the checksum bytes are zero
- p[2] ^= uint8(^s & 0xff)
- p[3] ^= uint8(^s >> 8)
-
- return p
-}
-
-func parsePingReply(p []byte) (id, seq int) {
- id = int(p[4])<<8 | int(p[5])
- seq = int(p[6])<<8 | int(p[7])
- return
-}
-
-var srchost = flag.String("srchost", "", "Source of the ICMP ECHO request")
-// 127.0.0.1 because this is an IPv4-specific test.
-var dsthost = flag.String("dsthost", "127.0.0.1", "Destination for the ICMP ECHO request")
-
-// test (raw) IP socket using ICMP
-func TestICMP(t *testing.T) {
- if os.Getuid() != 0 {
- t.Logf("test disabled; must be root")
- return
- }
-
- var (
- laddr *IPAddr
- err os.Error
- )
- if *srchost != "" {
- laddr, err = ResolveIPAddr("ip4", *srchost)
- if err != nil {
- t.Fatalf(`net.ResolveIPAddr("ip4", %v") = %v, %v`, *srchost, laddr, err)
- }
- }
-
- raddr, err := ResolveIPAddr("ip4", *dsthost)
- if err != nil {
- t.Fatalf(`net.ResolveIPAddr("ip4", %v") = %v, %v`, *dsthost, raddr, err)
- }
-
- c, err := ListenIP("ip4:icmp", laddr)
- if err != nil {
- t.Fatalf(`net.ListenIP("ip4:icmp", %v) = %v, %v`, *srchost, c, err)
- }
-
- sendid := os.Getpid() & 0xffff
- const sendseq = 61455
- const pingpktlen = 128
- sendpkt := makePingRequest(sendid, sendseq, pingpktlen, []byte("Go Go Gadget Ping!!!"))
-
- n, err := c.WriteToIP(sendpkt, raddr)
- if err != nil || n != pingpktlen {
- t.Fatalf(`net.WriteToIP(..., %v) = %v, %v`, raddr, n, err)
- }
-
- c.SetTimeout(100e6)
- resp := make([]byte, 1024)
- for {
- n, from, err := c.ReadFrom(resp)
- if err != nil {
- t.Fatalf(`ReadFrom(...) = %v, %v, %v`, n, from, err)
- }
- if resp[0] != ICMP_ECHO_REPLY {
- continue
- }
- rcvid, rcvseq := parsePingReply(resp)
- if rcvid != sendid || rcvseq != sendseq {
- t.Fatalf(`Ping reply saw id,seq=0x%x,0x%x (expected 0x%x, 0x%x)`, rcvid, rcvseq, sendid, sendseq)
- }
- return
- }
- t.Fatalf("saw no ping return")
-}