cloudflared-mirror/socks/request_handler_test.go

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package socks
import (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
"github.com/cloudflare/cloudflared/ipaccess"
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)
func TestUnsupportedBind(t *testing.T) {
req := createRequest(t, socks5Version, bindCommand, "2001:db8::68", 1337, false)
var b bytes.Buffer
requestHandler := NewRequestHandler(NewNetDialer(), nil)
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err := requestHandler.Handle(req, &b)
assert.NoError(t, err)
assert.True(t, b.Bytes()[1] == commandNotSupported, "expected a response")
}
func TestUnsupportedAssociate(t *testing.T) {
req := createRequest(t, socks5Version, associateCommand, "127.0.0.1", 1337, false)
var b bytes.Buffer
requestHandler := NewRequestHandler(NewNetDialer(), nil)
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err := requestHandler.Handle(req, &b)
assert.NoError(t, err)
assert.True(t, b.Bytes()[1] == commandNotSupported, "expected a response")
}
func TestHandleConnect(t *testing.T) {
req := createRequest(t, socks5Version, connectCommand, "127.0.0.1", 1337, false)
var b bytes.Buffer
requestHandler := NewRequestHandler(NewNetDialer(), nil)
err := requestHandler.Handle(req, &b)
assert.Error(t, err)
assert.True(t, b.Bytes()[1] == connectionRefused, "expected a response")
}
func TestHandleConnectIPAccess(t *testing.T) {
prefix := "127.0.0.0/24"
rule1, _ := ipaccess.NewRuleByCIDR(&prefix, []int{1337}, true)
rule2, _ := ipaccess.NewRuleByCIDR(&prefix, []int{1338}, false)
rules := []ipaccess.Rule{rule1, rule2}
var b bytes.Buffer
accessPolicy, _ := ipaccess.NewPolicy(false, nil)
requestHandler := NewRequestHandler(NewNetDialer(), accessPolicy)
req := createRequest(t, socks5Version, connectCommand, "127.0.0.1", 1337, false)
err := requestHandler.Handle(req, &b)
assert.Error(t, err)
assert.True(t, b.Bytes()[1] == ruleFailure, "expected to be denied as no rules and defaultAllow=false")
b.Reset()
accessPolicy, _ = ipaccess.NewPolicy(true, nil)
requestHandler = NewRequestHandler(NewNetDialer(), accessPolicy)
req = createRequest(t, socks5Version, connectCommand, "127.0.0.1", 1337, false)
err = requestHandler.Handle(req, &b)
assert.Error(t, err)
assert.True(t, b.Bytes()[1] == connectionRefused, "expected to be allowed as no rules and defaultAllow=true")
b.Reset()
accessPolicy, _ = ipaccess.NewPolicy(false, rules)
requestHandler = NewRequestHandler(NewNetDialer(), accessPolicy)
req = createRequest(t, socks5Version, connectCommand, "127.0.0.1", 1337, false)
err = requestHandler.Handle(req, &b)
assert.Error(t, err)
assert.True(t, b.Bytes()[1] == connectionRefused, "expected to be allowed as matching rule")
b.Reset()
req = createRequest(t, socks5Version, connectCommand, "127.0.0.1", 1338, false)
err = requestHandler.Handle(req, &b)
assert.Error(t, err)
assert.True(t, b.Bytes()[1] == ruleFailure, "expected to be denied as matching rule")
b.Reset()
req = createRequest(t, socks5Version, connectCommand, "127.0.0.1", 1339, false)
err = requestHandler.Handle(req, &b)
assert.Error(t, err)
assert.True(t, b.Bytes()[1] == ruleFailure, "expect to be denied as no matching rule and defaultAllow=false")
}