统一 `domainStrategy` 行为. (#2720)

* 统一 `domainStrategy` 行为.

* Update proto

---------

Co-authored-by: rui0572 <125641819+rui0572@users.noreply.github.com>
This commit is contained in:
yuhan6665 2023-11-12 16:37:02 -05:00 committed by GitHub
parent d9fd3f8eb1
commit 7523f7f440
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 135 additions and 50 deletions

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@ -654,12 +654,30 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
dStrategy := internet.DomainStrategy_AS_IS
switch strings.ToLower(c.DomainStrategy) {
case "useip", "use_ip":
case "asis", "":
dStrategy = internet.DomainStrategy_AS_IS
case "useip":
dStrategy = internet.DomainStrategy_USE_IP
case "useip4", "useipv4", "use_ipv4", "use_ip_v4", "use_ip4":
case "useipv4":
dStrategy = internet.DomainStrategy_USE_IP4
case "useip6", "useipv6", "use_ipv6", "use_ip_v6", "use_ip6":
case "useipv6":
dStrategy = internet.DomainStrategy_USE_IP6
case "useipv4v6":
dStrategy = internet.DomainStrategy_USE_IP46
case "useipv6v4":
dStrategy = internet.DomainStrategy_USE_IP64
case "forceip":
dStrategy = internet.DomainStrategy_FORCE_IP
case "forceipv4":
dStrategy = internet.DomainStrategy_FORCE_IP4
case "forceipv6":
dStrategy = internet.DomainStrategy_FORCE_IP6
case "forceipv4v6":
dStrategy = internet.DomainStrategy_FORCE_IP46
case "forceipv6v4":
dStrategy = internet.DomainStrategy_FORCE_IP64
default:
return nil, newError("unsupported domain strategy: ", c.DomainStrategy)
}
return &internet.SocketConfig{

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@ -12,6 +12,21 @@ var (
globalTransportSettings []*TransportConfig
)
var strategy = [][]byte{
// name strategy, prefer, fallback
{0, 0, 0}, // AsIs none, /, /
{1, 0, 0}, // UseIP use, both, none
{1, 4, 0}, // UseIPv4 use, 4, none
{1, 6, 0}, // UseIPv6 use, 6, none
{1, 4, 6}, // UseIPv4v6 use, 4, 6
{1, 6, 4}, // UseIPv6v4 use, 6, 4
{2, 0, 0}, // ForceIP force, both, none
{2, 4, 0}, // ForceIPv4 force, 4, none
{2, 6, 0}, // ForceIPv6 force, 6, none
{2, 4, 6}, // ForceIPv4v6 force, 4, 6
{2, 6, 4}, // ForceIPv6v4 force, 6, 4
}
const unknownProtocol = "unknown"
func transportProtocolToString(protocol TransportProtocol) string {
@ -122,3 +137,31 @@ func (c *ProxyConfig) HasTag() bool {
func (m SocketConfig_TProxyMode) IsEnabled() bool {
return m != SocketConfig_Off
}
func (s DomainStrategy) hasStrategy() bool {
return strategy[s][0] != 0
}
func (s DomainStrategy) forceIP() bool {
return strategy[s][0] == 2
}
func (s DomainStrategy) preferIP4() bool {
return strategy[s][1] == 4 || strategy[s][1] == 0
}
func (s DomainStrategy) preferIP6() bool {
return strategy[s][1] == 6 || strategy[s][1] == 0
}
func (s DomainStrategy) hasFallback() bool {
return strategy[s][2] != 0
}
func (s DomainStrategy) fallbackIP4() bool {
return strategy[s][2] == 4
}
func (s DomainStrategy) fallbackIP6() bool {
return strategy[s][2] == 6
}

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@ -86,6 +86,13 @@ const (
DomainStrategy_USE_IP DomainStrategy = 1
DomainStrategy_USE_IP4 DomainStrategy = 2
DomainStrategy_USE_IP6 DomainStrategy = 3
DomainStrategy_USE_IP46 DomainStrategy = 4
DomainStrategy_USE_IP64 DomainStrategy = 5
DomainStrategy_FORCE_IP DomainStrategy = 6
DomainStrategy_FORCE_IP4 DomainStrategy = 7
DomainStrategy_FORCE_IP6 DomainStrategy = 8
DomainStrategy_FORCE_IP46 DomainStrategy = 9
DomainStrategy_FORCE_IP64 DomainStrategy = 10
)
// Enum value maps for DomainStrategy.
@ -95,12 +102,26 @@ var (
1: "USE_IP",
2: "USE_IP4",
3: "USE_IP6",
4: "USE_IP46",
5: "USE_IP64",
6: "FORCE_IP",
7: "FORCE_IP4",
8: "FORCE_IP6",
9: "FORCE_IP46",
10: "FORCE_IP64",
}
DomainStrategy_value = map[string]int32{
"AS_IS": 0,
"USE_IP": 1,
"USE_IP4": 2,
"USE_IP6": 3,
"USE_IP46": 4,
"USE_IP64": 5,
"FORCE_IP": 6,
"FORCE_IP4": 7,
"FORCE_IP6": 8,
"FORCE_IP46": 9,
"FORCE_IP64": 10,
}
)
@ -710,18 +731,24 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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}
var (

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@ -22,6 +22,13 @@ enum DomainStrategy {
USE_IP = 1;
USE_IP4 = 2;
USE_IP6 = 3;
USE_IP46 = 4;
USE_IP64 = 5;
FORCE_IP = 6;
FORCE_IP4 = 7;
FORCE_IP6 = 8;
FORCE_IP46 = 9;
FORCE_IP64 = 10;
}
message TransportConfig {

View File

@ -78,37 +78,27 @@ func lookupIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]
return nil, nil
}
option := dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
ips, err := dnsClient.LookupIP(domain, dns.IPOption{
IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && strategy.preferIP4(),
IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && strategy.preferIP6(),
})
{ // Resolve fallback
if (len(ips) == 0 || err != nil) && strategy.hasFallback() && localAddr == nil {
ips, err = dnsClient.LookupIP(domain, dns.IPOption{
IPv4Enable: strategy.fallbackIP4(),
IPv6Enable: strategy.fallbackIP6(),
})
}
}
switch {
case strategy == DomainStrategy_USE_IP4 || (localAddr != nil && localAddr.Family().IsIPv4()):
option = dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
FakeEnable: false,
}
case strategy == DomainStrategy_USE_IP6 || (localAddr != nil && localAddr.Family().IsIPv6()):
option = dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: false,
}
case strategy == DomainStrategy_AS_IS:
return nil, nil
}
return dnsClient.LookupIP(domain, option)
return ips, err
}
func canLookupIP(ctx context.Context, dst net.Destination, sockopt *SocketConfig) bool {
if dst.Address.Family().IsIP() || dnsClient == nil {
return false
}
return sockopt.DomainStrategy != DomainStrategy_AS_IS
return sockopt.DomainStrategy.hasStrategy()
}
func redirect(ctx context.Context, dst net.Destination, obt string) net.Conn {