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//
// Copyright (c) 2015 - 2018, Přemysl Janouch <p@janouch.name>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
package main
import (
"crypto/tls"
"net"
"os"
"reflect"
"syscall"
"testing"
)
func TestSplitString(t *testing.T) {
var splitStringTests = []struct {
s, delims string
ignoreEmpty bool
result []string
}{
{",a,,bc", ",", false, []string{"", "a", "", "bc"}},
{",a,,bc", ",", true, []string{"a", "bc"}},
{"a,;bc,", ",;", false, []string{"a", "", "bc", ""}},
{"a,;bc,", ",;", true, []string{"a", "bc"}},
{"", ",", false, []string{""}},
{"", ",", true, nil},
}
for i, d := range splitStringTests {
got := splitString(d.s, d.delims, d.ignoreEmpty)
if !reflect.DeepEqual(got, d.result) {
t.Errorf("case %d: %v should be %v\n", i, got, d.result)
}
}
}
func socketpair() (*os.File, *os.File, error) {
pair, err := syscall.Socketpair(syscall.AF_UNIX, syscall.SOCK_STREAM, 0)
if err != nil {
return nil, nil, err
}
// See go #24331, this makes 1.11 use the internal poller
// while there wasn't a way to achieve that before.
if err := syscall.SetNonblock(int(pair[0]), true); err != nil {
return nil, nil, err
}
if err := syscall.SetNonblock(int(pair[1]), true); err != nil {
return nil, nil, err
}
fa := os.NewFile(uintptr(pair[0]), "a")
if fa == nil {
return nil, nil, os.ErrInvalid
}
fb := os.NewFile(uintptr(pair[1]), "b")
if fb == nil {
fa.Close()
return nil, nil, os.ErrInvalid
}
return fa, fb, nil
}
func TestDetectTLS(t *testing.T) {
detectTLSFromFunc := func(t *testing.T, writer func(net.Conn)) bool {
// net.Pipe doesn't use file descriptors, we need a socketpair.
sockA, sockB, err := socketpair()
if err != nil {
t.Fatal(err)
}
defer sockA.Close()
defer sockB.Close()
fcB, err := net.FileConn(sockB)
if err != nil {
t.Fatal(err)
}
go writer(fcB)
fcA, err := net.FileConn(sockA)
if err != nil {
t.Fatal(err)
}
sc, err := fcA.(syscall.Conn).SyscallConn()
if err != nil {
t.Fatal(err)
}
return detectTLS(sc)
}
t.Run("SSL_2.0", func(t *testing.T) {
if !detectTLSFromFunc(t, func(fc net.Conn) {
// The obsolete, useless, unsupported SSL 2.0 record format.
_, _ = fc.Write([]byte{0x80, 0x01, 0x01})
}) {
t.Error("could not detect SSL")
}
})
t.Run("crypto_tls", func(t *testing.T) {
if !detectTLSFromFunc(t, func(fc net.Conn) {
conn := tls.Client(fc, &tls.Config{InsecureSkipVerify: true})
_ = conn.Handshake()
}) {
t.Error("could not detect TLS")
}
})
t.Run("text", func(t *testing.T) {
if detectTLSFromFunc(t, func(fc net.Conn) {
_, _ = fc.Write([]byte("ПРЕВЕД"))
}) {
t.Error("detected UTF-8 as TLS")
}
})
t.Run("EOF", func(t *testing.T) {
type connCloseWriter interface {
net.Conn
CloseWrite() error
}
if detectTLSFromFunc(t, func(fc net.Conn) {
_ = fc.(connCloseWriter).CloseWrite()
}) {
t.Error("detected EOF as TLS")
}
})
}
func TestIRC(t *testing.T) {
msg := ircParseMessage(
`@first=a\:\s\r\n\\;2nd :srv hi there :good m8 :how are you?`)
if !reflect.DeepEqual(msg.tags, map[string]string{
"first": "a; \r\n\\",
"2nd": "",
}) {
t.Error("tags parsed incorrectly")
}
if msg.nick != "srv" || msg.user != "" || msg.host != "" {
t.Error("server name parsed incorrectly")
}
if msg.command != "hi" {
t.Error("command name parsed incorrectly")
}
if !reflect.DeepEqual(msg.params,
[]string{"there", "good m8 :how are you?"}) {
t.Error("params parsed incorrectly")
}
if !ircEqual("[fag]^", "{FAG}~") {
t.Error("string case comparison not according to RFC 2812")
}
// TODO: More tests.
}
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