sing-box/route/rule_default.go

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package route
import (
"github.com/sagernet/sing-box/adapter"
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C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
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E "github.com/sagernet/sing/common/exceptions"
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)
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func NewRule(router adapter.Router, logger log.ContextLogger, options option.Rule, checkOutbound bool) (adapter.Rule, error) {
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switch options.Type {
case "", C.RuleTypeDefault:
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if !options.DefaultOptions.IsValid() {
return nil, E.New("missing conditions")
}
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if options.DefaultOptions.Outbound == "" && checkOutbound {
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return nil, E.New("missing outbound field")
}
return NewDefaultRule(router, logger, options.DefaultOptions)
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case C.RuleTypeLogical:
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if !options.LogicalOptions.IsValid() {
return nil, E.New("missing conditions")
}
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if options.LogicalOptions.Outbound == "" && checkOutbound {
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return nil, E.New("missing outbound field")
}
return NewLogicalRule(router, logger, options.LogicalOptions)
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default:
return nil, E.New("unknown rule type: ", options.Type)
}
}
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var _ adapter.Rule = (*DefaultRule)(nil)
type DefaultRule struct {
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abstractDefaultRule
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}
type RuleItem interface {
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Match(metadata *adapter.InboundContext) bool
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String() string
}
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func NewDefaultRule(router adapter.Router, logger log.ContextLogger, options option.DefaultRule) (*DefaultRule, error) {
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rule := &DefaultRule{
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abstractDefaultRule{
invert: options.Invert,
outbound: options.Outbound,
},
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}
if len(options.Inbound) > 0 {
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item := NewInboundRule(options.Inbound)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
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}
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if options.IPVersion > 0 {
switch options.IPVersion {
case 4, 6:
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item := NewIPVersionItem(options.IPVersion == 6)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
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default:
return nil, E.New("invalid ip version: ", options.IPVersion)
}
}
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if len(options.Network) > 0 {
item := NewNetworkItem(options.Network)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
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}
if len(options.AuthUser) > 0 {
item := NewAuthUserItem(options.AuthUser)
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rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
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if len(options.Protocol) > 0 {
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item := NewProtocolItem(options.Protocol)
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rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
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}
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if len(options.Client) > 0 {
item := NewClientItem(options.Client)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
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if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
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item := NewDomainItem(options.Domain, options.DomainSuffix)
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
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}
if len(options.DomainKeyword) > 0 {
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item := NewDomainKeywordItem(options.DomainKeyword)
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
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}
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if len(options.DomainRegex) > 0 {
item, err := NewDomainRegexItem(options.DomainRegex)
if err != nil {
return nil, E.Cause(err, "domain_regex")
}
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rule.destinationAddressItems = append(rule.destinationAddressItems, item)
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rule.allItems = append(rule.allItems, item)
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}
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if len(options.Geosite) > 0 {
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item := NewGeositeItem(router, logger, options.Geosite)
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
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}
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if len(options.SourceGeoIP) > 0 {
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item := NewGeoIPItem(router, logger, true, options.SourceGeoIP)
rule.sourceAddressItems = append(rule.sourceAddressItems, item)
rule.allItems = append(rule.allItems, item)
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}
if len(options.GeoIP) > 0 {
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item := NewGeoIPItem(router, logger, false, options.GeoIP)
rule.destinationIPCIDRItems = append(rule.destinationIPCIDRItems, item)
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rule.allItems = append(rule.allItems, item)
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}
if len(options.SourceIPCIDR) > 0 {
item, err := NewIPCIDRItem(true, options.SourceIPCIDR)
if err != nil {
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return nil, E.Cause(err, "source_ip_cidr")
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}
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rule.sourceAddressItems = append(rule.sourceAddressItems, item)
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rule.allItems = append(rule.allItems, item)
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}
if options.SourceIPIsPrivate {
item := NewIPIsPrivateItem(true)
rule.sourceAddressItems = append(rule.sourceAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
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if len(options.IPCIDR) > 0 {
item, err := NewIPCIDRItem(false, options.IPCIDR)
if err != nil {
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return nil, E.Cause(err, "ipcidr")
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}
rule.destinationIPCIDRItems = append(rule.destinationIPCIDRItems, item)
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rule.allItems = append(rule.allItems, item)
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}
if options.IPIsPrivate {
item := NewIPIsPrivateItem(false)
rule.destinationIPCIDRItems = append(rule.destinationIPCIDRItems, item)
rule.allItems = append(rule.allItems, item)
}
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if len(options.SourcePort) > 0 {
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item := NewPortItem(true, options.SourcePort)
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rule.sourcePortItems = append(rule.sourcePortItems, item)
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rule.allItems = append(rule.allItems, item)
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}
if len(options.SourcePortRange) > 0 {
item, err := NewPortRangeItem(true, options.SourcePortRange)
if err != nil {
return nil, E.Cause(err, "source_port_range")
}
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rule.sourcePortItems = append(rule.sourcePortItems, item)
rule.allItems = append(rule.allItems, item)
}
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if len(options.Port) > 0 {
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item := NewPortItem(false, options.Port)
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rule.destinationPortItems = append(rule.destinationPortItems, item)
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rule.allItems = append(rule.allItems, item)
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}
if len(options.PortRange) > 0 {
item, err := NewPortRangeItem(false, options.PortRange)
if err != nil {
return nil, E.Cause(err, "port_range")
}
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rule.destinationPortItems = append(rule.destinationPortItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.ProcessName) > 0 {
item := NewProcessItem(options.ProcessName)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.ProcessPath) > 0 {
item := NewProcessPathItem(options.ProcessPath)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.PackageName) > 0 {
item := NewPackageNameItem(options.PackageName)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.User) > 0 {
item := NewUserItem(options.User)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.UserID) > 0 {
item := NewUserIDItem(options.UserID)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
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if options.ClashMode != "" {
item := NewClashModeItem(router, options.ClashMode)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.WIFISSID) > 0 {
item := NewWIFISSIDItem(router, options.WIFISSID)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.WIFIBSSID) > 0 {
item := NewWIFIBSSIDItem(router, options.WIFIBSSID)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
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if len(options.RuleSet) > 0 {
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item := NewRuleSetItem(router, options.RuleSet, options.RuleSetIPCIDRMatchSource, false)
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rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
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return rule, nil
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}
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var _ adapter.Rule = (*LogicalRule)(nil)
type LogicalRule struct {
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abstractLogicalRule
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}
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func NewLogicalRule(router adapter.Router, logger log.ContextLogger, options option.LogicalRule) (*LogicalRule, error) {
r := &LogicalRule{
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abstractLogicalRule{
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rules: make([]adapter.HeadlessRule, len(options.Rules)),
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invert: options.Invert,
outbound: options.Outbound,
},
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}
switch options.Mode {
case C.LogicalTypeAnd:
r.mode = C.LogicalTypeAnd
case C.LogicalTypeOr:
r.mode = C.LogicalTypeOr
default:
return nil, E.New("unknown logical mode: ", options.Mode)
}
for i, subRule := range options.Rules {
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rule, err := NewRule(router, logger, subRule, false)
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if err != nil {
return nil, E.Cause(err, "sub rule[", i, "]")
}
r.rules[i] = rule
}
return r, nil
}