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test case for routing rule

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This commit is contained in:
Darien Raymond 2017-05-17 13:24:53 +02:00
parent c287df631d
commit 069837417f
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GPG Key ID: 7251FFA14BB18169
3 changed files with 130 additions and 59 deletions
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2
app/router/condition.go
View File

@ -140,7 +140,7 @@ type CIDRMatcher struct {
func NewCIDRMatcher(ip []byte, mask uint32, onSource bool) (*CIDRMatcher, error) {
cidr := &net.IPNet{
IP: net.IP(ip),
Mask: net.CIDRMask(int(mask), len(ip)),
Mask: net.CIDRMask(int(mask), len(ip)*8),
}
return &CIDRMatcher{
cidr: cidr,

88
app/router/condition_test.go
View File

@ -49,3 +49,91 @@ func TestSubDomainMatcher(t *testing.T) {
assert.Bool(matcher.Apply(test.input) == test.output).IsTrue()
}
}
func TestRoutingRule(t *testing.T) {
assert := assert.On(t)
type ruleTest struct {
input context.Context
output bool
}
cases := []struct {
rule *RoutingRule
test []ruleTest
}{
{
rule: &RoutingRule{
Domain: []*Domain{
{
Value: "v2ray.com",
Type: Domain_Plain,
},
{
Value: "google.com",
Type: Domain_Domain,
},
},
},
test: []ruleTest{
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.DomainAddress("v2ray.com"), 80)),
output: true,
},
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.DomainAddress("www.v2ray.com.www"), 80)),
output: true,
},
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.DomainAddress("v2ray.co"), 80)),
output: false,
},
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.DomainAddress("www.google.com"), 80)),
output: true,
},
},
},
{
rule: &RoutingRule{
Cidr: []*CIDR{
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
{
Ip: []byte{8, 8, 8, 8},
Prefix: 32,
},
{
Ip: net.ParseAddress("2001:0db8:85a3:0000:0000:8a2e:0370:7334").IP(),
Prefix: 128,
},
},
},
test: []ruleTest{
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.ParseAddress("8.8.8.8"), 80)),
output: true,
},
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.ParseAddress("8.8.4.4"), 80)),
output: false,
},
ruleTest{
input: proxy.ContextWithTarget(context.Background(), net.TCPDestination(net.ParseAddress("2001:0db8:85a3:0000:0000:8a2e:0370:7334"), 80)),
output: true,
},
},
},
}
for _, test := range cases {
cond, err := test.rule.BuildCondition()
assert.Error(err).IsNil()
for _, t := range test.test {
assert.Bool(cond.Apply(t.input)).Equals(t.output)
}
}
}

99
app/router/config.go
View File

@ -16,6 +16,39 @@ func (r *Rule) Apply(ctx context.Context) bool {
return r.Condition.Apply(ctx)
}
func cidrToCondition(cidr []*CIDR, source bool) (Condition, error) {
ipv4Net := v2net.NewIPNet()
ipv6Cond := NewAnyCondition()
hasIpv6 := false
for _, ip := range cidr {
switch len(ip.Ip) {
case net.IPv4len:
ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
case net.IPv6len:
hasIpv6 = true
matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, source)
if err != nil {
return nil, err
}
ipv6Cond.Add(matcher)
default:
return nil, newError("invalid IP length").AtError()
}
}
if !ipv4Net.IsEmpty() && hasIpv6 {
cond := NewAnyCondition()
cond.Add(NewIPv4Matcher(ipv4Net, source))
cond.Add(ipv6Cond)
return cond, nil
} else if !ipv4Net.IsEmpty() {
return NewIPv4Matcher(ipv4Net, source), nil
} else {
return ipv6Cond, nil
}
}
func (rr *RoutingRule) BuildCondition() (Condition, error) {
conds := NewConditionChan()
@ -41,36 +74,11 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
}
if len(rr.Cidr) > 0 {
ipv4Net := v2net.NewIPNet()
ipv6Cond := NewAnyCondition()
hasIpv6 := false
for _, ip := range rr.Cidr {
switch len(ip.Ip) {
case net.IPv4len:
ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
case net.IPv6len:
hasIpv6 = true
matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, false)
if err != nil {
return nil, err
}
ipv6Cond.Add(matcher)
default:
return nil, newError("invalid IP length").AtError()
}
}
if !ipv4Net.IsEmpty() && hasIpv6 {
cond := NewAnyCondition()
cond.Add(NewIPv4Matcher(ipv4Net, false))
cond.Add(ipv6Cond)
conds.Add(cond)
} else if !ipv4Net.IsEmpty() {
conds.Add(NewIPv4Matcher(ipv4Net, false))
} else if hasIpv6 {
conds.Add(ipv6Cond)
cond, err := cidrToCondition(rr.Cidr, false)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if rr.PortRange != nil {
@ -82,36 +90,11 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
}
if len(rr.SourceCidr) > 0 {
ipv4Net := v2net.NewIPNet()
ipv6Cond := NewAnyCondition()
hasIpv6 := false
for _, ip := range rr.SourceCidr {
switch len(ip.Ip) {
case net.IPv4len:
ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
case net.IPv6len:
hasIpv6 = true
matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, true)
if err != nil {
return nil, err
}
ipv6Cond.Add(matcher)
default:
return nil, newError("invalid IP length").AtError()
}
}
if !ipv4Net.IsEmpty() && hasIpv6 {
cond := NewAnyCondition()
cond.Add(NewIPv4Matcher(ipv4Net, true))
cond.Add(ipv6Cond)
conds.Add(cond)
} else if !ipv4Net.IsEmpty() {
conds.Add(NewIPv4Matcher(ipv4Net, true))
} else if hasIpv6 {
conds.Add(ipv6Cond)
cond, err := cidrToCondition(rr.SourceCidr, true)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if len(rr.UserEmail) > 0 {