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