Xray-core/infra/conf/freedom.go

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package conf
import (
"net"
"strconv"
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"strings"
"github.com/golang/protobuf/proto"
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v2net "github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/proxy/freedom"
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)
type FreedomConfig struct {
DomainStrategy string `json:"domainStrategy"`
Timeout *uint32 `json:"timeout"`
Redirect string `json:"redirect"`
UserLevel uint32 `json:"userLevel"`
Fragment *Fragment `json:"fragment"`
}
type Fragment struct {
Packets string `json:"packets"`
Length string `json:"length"`
Interval string `json:"interval"`
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}
// Build implements Buildable
func (c *FreedomConfig) Build() (proto.Message, error) {
config := new(freedom.Config)
config.DomainStrategy = freedom.Config_AS_IS
switch strings.ToLower(c.DomainStrategy) {
Merge dns (#722) * DNS: add clientip for specific nameserver * Refactoring: DNS App * DNS: add DNS over QUIC support * Feat: add disableCache option for DNS * Feat: add queryStrategy option for DNS * Feat: add disableFallback & skipFallback option for DNS * Feat: DNS hosts support multiple addresses * Feat: DNS transport over TCP * DNS: fix typo & refine code * DNS: refine code * Add disableFallbackIfMatch dns option * Feat: routing and freedom outbound ignore Fake DNS Turn off fake DNS for request sent from Routing and Freedom outbound. Fake DNS now only apply to DNS outbound. This is important for Android, where VPN service take over all system DNS traffic and pass it to core. "UseIp" option can be used in Freedom outbound to avoid getting fake IP and fail connection. * Fix test * Fix dns return * Fix local dns return empty * Apply timeout to dns outbound * Update app/dns/config.go Co-authored-by: Loyalsoldier <10487845+loyalsoldier@users.noreply.github.com> Co-authored-by: Ye Zhihao <vigilans@foxmail.com> Co-authored-by: maskedeken <52683904+maskedeken@users.noreply.github.com> Co-authored-by: V2Fly Team <51714622+vcptr@users.noreply.github.com> Co-authored-by: CalmLong <37164399+calmlong@users.noreply.github.com> Co-authored-by: Shelikhoo <xiaokangwang@outlook.com> Co-authored-by: 秋のかえで <autmaple@protonmail.com> Co-authored-by: 朱聖黎 <digglife@gmail.com> Co-authored-by: rurirei <72071920+rurirei@users.noreply.github.com> Co-authored-by: yuhan6665 <1588741+yuhan6665@users.noreply.github.com> Co-authored-by: Arthur Morgan <4637240+badO1a5A90@users.noreply.github.com>
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case "useip", "use_ip", "use-ip":
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config.DomainStrategy = freedom.Config_USE_IP
Merge dns (#722) * DNS: add clientip for specific nameserver * Refactoring: DNS App * DNS: add DNS over QUIC support * Feat: add disableCache option for DNS * Feat: add queryStrategy option for DNS * Feat: add disableFallback & skipFallback option for DNS * Feat: DNS hosts support multiple addresses * Feat: DNS transport over TCP * DNS: fix typo & refine code * DNS: refine code * Add disableFallbackIfMatch dns option * Feat: routing and freedom outbound ignore Fake DNS Turn off fake DNS for request sent from Routing and Freedom outbound. Fake DNS now only apply to DNS outbound. This is important for Android, where VPN service take over all system DNS traffic and pass it to core. "UseIp" option can be used in Freedom outbound to avoid getting fake IP and fail connection. * Fix test * Fix dns return * Fix local dns return empty * Apply timeout to dns outbound * Update app/dns/config.go Co-authored-by: Loyalsoldier <10487845+loyalsoldier@users.noreply.github.com> Co-authored-by: Ye Zhihao <vigilans@foxmail.com> Co-authored-by: maskedeken <52683904+maskedeken@users.noreply.github.com> Co-authored-by: V2Fly Team <51714622+vcptr@users.noreply.github.com> Co-authored-by: CalmLong <37164399+calmlong@users.noreply.github.com> Co-authored-by: Shelikhoo <xiaokangwang@outlook.com> Co-authored-by: 秋のかえで <autmaple@protonmail.com> Co-authored-by: 朱聖黎 <digglife@gmail.com> Co-authored-by: rurirei <72071920+rurirei@users.noreply.github.com> Co-authored-by: yuhan6665 <1588741+yuhan6665@users.noreply.github.com> Co-authored-by: Arthur Morgan <4637240+badO1a5A90@users.noreply.github.com>
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case "useip4", "useipv4", "use_ip4", "use_ipv4", "use_ip_v4", "use-ip4", "use-ipv4", "use-ip-v4":
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config.DomainStrategy = freedom.Config_USE_IP4
Merge dns (#722) * DNS: add clientip for specific nameserver * Refactoring: DNS App * DNS: add DNS over QUIC support * Feat: add disableCache option for DNS * Feat: add queryStrategy option for DNS * Feat: add disableFallback & skipFallback option for DNS * Feat: DNS hosts support multiple addresses * Feat: DNS transport over TCP * DNS: fix typo & refine code * DNS: refine code * Add disableFallbackIfMatch dns option * Feat: routing and freedom outbound ignore Fake DNS Turn off fake DNS for request sent from Routing and Freedom outbound. Fake DNS now only apply to DNS outbound. This is important for Android, where VPN service take over all system DNS traffic and pass it to core. "UseIp" option can be used in Freedom outbound to avoid getting fake IP and fail connection. * Fix test * Fix dns return * Fix local dns return empty * Apply timeout to dns outbound * Update app/dns/config.go Co-authored-by: Loyalsoldier <10487845+loyalsoldier@users.noreply.github.com> Co-authored-by: Ye Zhihao <vigilans@foxmail.com> Co-authored-by: maskedeken <52683904+maskedeken@users.noreply.github.com> Co-authored-by: V2Fly Team <51714622+vcptr@users.noreply.github.com> Co-authored-by: CalmLong <37164399+calmlong@users.noreply.github.com> Co-authored-by: Shelikhoo <xiaokangwang@outlook.com> Co-authored-by: 秋のかえで <autmaple@protonmail.com> Co-authored-by: 朱聖黎 <digglife@gmail.com> Co-authored-by: rurirei <72071920+rurirei@users.noreply.github.com> Co-authored-by: yuhan6665 <1588741+yuhan6665@users.noreply.github.com> Co-authored-by: Arthur Morgan <4637240+badO1a5A90@users.noreply.github.com>
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case "useip6", "useipv6", "use_ip6", "use_ipv6", "use_ip_v6", "use-ip6", "use-ipv6", "use-ip-v6":
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config.DomainStrategy = freedom.Config_USE_IP6
}
if c.Fragment != nil {
if len(c.Fragment.Interval) == 0 || len(c.Fragment.Length) == 0 {
return nil, newError("Invalid interval or length")
}
intervalMinMax := strings.Split(c.Fragment.Interval, "-")
var minInterval, maxInterval int64
var err, err2 error
if len(intervalMinMax) == 2 {
minInterval, err = strconv.ParseInt(intervalMinMax[0], 10, 64)
maxInterval, err2 = strconv.ParseInt(intervalMinMax[1], 10, 64)
} else {
minInterval, err = strconv.ParseInt(intervalMinMax[0], 10, 64)
maxInterval = minInterval
}
if err != nil {
return nil, newError("Invalid minimum interval: ", err).Base(err)
}
if err2 != nil {
return nil, newError("Invalid maximum interval: ", err2).Base(err2)
}
lengthMinMax := strings.Split(c.Fragment.Length, "-")
var minLength, maxLength int64
if len(lengthMinMax) == 2 {
minLength, err = strconv.ParseInt(lengthMinMax[0], 10, 64)
maxLength, err2 = strconv.ParseInt(lengthMinMax[1], 10, 64)
} else {
minLength, err = strconv.ParseInt(lengthMinMax[0], 10, 64)
maxLength = minLength
}
if err != nil {
return nil, newError("Invalid minimum length: ", err).Base(err)
}
if err2 != nil {
return nil, newError("Invalid maximum length: ", err2).Base(err2)
}
if minInterval > maxInterval {
minInterval, maxInterval = maxInterval, minInterval
}
if minLength > maxLength {
minLength, maxLength = maxLength, minLength
}
config.Fragment = &freedom.Fragment{
MinInterval: int32(minInterval),
MaxInterval: int32(maxInterval),
MinLength: int32(minLength),
MaxLength: int32(maxLength),
}
switch strings.ToLower(c.Fragment.Packets) {
case "tlshello":
// TLS Hello Fragmentation (into multiple handshake messages)
config.Fragment.StartPacket = 0
config.Fragment.EndPacket = 1
case "":
// TCP Segmentation (all packets)
config.Fragment.StartPacket = 0
config.Fragment.EndPacket = 0
default:
// TCP Segmentation (range)
packetRange := strings.Split(c.Fragment.Packets, "-")
var startPacket, endPacket int64
if len(packetRange) == 2 {
startPacket, err = strconv.ParseInt(packetRange[0], 10, 64)
endPacket, err2 = strconv.ParseInt(packetRange[1], 10, 64)
} else {
startPacket, err = strconv.ParseInt(packetRange[0], 10, 64)
endPacket = startPacket
}
if err != nil {
return nil, newError("Invalid start packet: ", err).Base(err)
}
if err2 != nil {
return nil, newError("Invalid end packet: ", err2).Base(err2)
}
if startPacket > endPacket {
return nil, newError("Invalid packet range: ", c.Fragment.Packets)
}
if startPacket < 1 {
return nil, newError("Cannot start from packet 0")
}
config.Fragment.StartPacket = int32(startPacket)
config.Fragment.EndPacket = int32(endPacket)
}
}
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if c.Timeout != nil {
config.Timeout = *c.Timeout
}
config.UserLevel = c.UserLevel
if len(c.Redirect) > 0 {
host, portStr, err := net.SplitHostPort(c.Redirect)
if err != nil {
return nil, newError("invalid redirect address: ", c.Redirect, ": ", err).Base(err)
}
port, err := v2net.PortFromString(portStr)
if err != nil {
return nil, newError("invalid redirect port: ", c.Redirect, ": ", err).Base(err)
}
config.DestinationOverride = &freedom.DestinationOverride{
Server: &protocol.ServerEndpoint{
Port: uint32(port),
},
}
if len(host) > 0 {
config.DestinationOverride.Server.Address = v2net.NewIPOrDomain(v2net.ParseAddress(host))
}
}
return config, nil
}