package option import ( "reflect" "github.com/sagernet/sing-box/common/json" C "github.com/sagernet/sing-box/constant" "github.com/sagernet/sing/common" E "github.com/sagernet/sing/common/exceptions" ) type DNSOptions struct { Servers []DNSServerOptions `json:"servers,omitempty"` Rules []DNSRule `json:"rules,omitempty"` Final string `json:"final,omitempty"` DNSClientOptions } type DNSClientOptions struct { Strategy DomainStrategy `json:"strategy,omitempty"` DisableCache bool `json:"disable_cache,omitempty"` DisableExpire bool `json:"disable_expire,omitempty"` } type DNSServerOptions struct { Tag string `json:"tag,omitempty"` Address string `json:"address"` AddressResolver string `json:"address_resolver,omitempty"` AddressStrategy DomainStrategy `json:"address_strategy,omitempty"` AddressFallbackDelay Duration `json:"address_fallback_delay,omitempty"` Strategy DomainStrategy `json:"strategy,omitempty"` Detour string `json:"detour,omitempty"` } type _DNSRule struct { Type string `json:"type,omitempty"` DefaultOptions DefaultDNSRule `json:"-"` LogicalOptions LogicalDNSRule `json:"-"` } type DNSRule _DNSRule func (r DNSRule) MarshalJSON() ([]byte, error) { var v any switch r.Type { case C.RuleTypeDefault: r.Type = "" v = r.DefaultOptions case C.RuleTypeLogical: v = r.LogicalOptions default: return nil, E.New("unknown rule type: " + r.Type) } return MarshallObjects((_DNSRule)(r), v) } func (r *DNSRule) UnmarshalJSON(bytes []byte) error { err := json.Unmarshal(bytes, (*_DNSRule)(r)) if err != nil { return err } var v any switch r.Type { case "", C.RuleTypeDefault: r.Type = C.RuleTypeDefault v = &r.DefaultOptions case C.RuleTypeLogical: v = &r.LogicalOptions default: return E.New("unknown rule type: " + r.Type) } err = UnmarshallExcluded(bytes, (*_DNSRule)(r), v) if err != nil { return E.Cause(err, "dns route rule") } return nil } type DefaultDNSRule struct { Inbound Listable[string] `json:"inbound,omitempty"` IPVersion int `json:"ip_version,omitempty"` QueryType Listable[DNSQueryType] `json:"query_type,omitempty"` Network string `json:"network,omitempty"` AuthUser Listable[string] `json:"auth_user,omitempty"` Protocol Listable[string] `json:"protocol,omitempty"` Domain Listable[string] `json:"domain,omitempty"` DomainSuffix Listable[string] `json:"domain_suffix,omitempty"` DomainKeyword Listable[string] `json:"domain_keyword,omitempty"` DomainRegex Listable[string] `json:"domain_regex,omitempty"` Geosite Listable[string] `json:"geosite,omitempty"` SourceGeoIP Listable[string] `json:"source_geoip,omitempty"` SourceIPCIDR Listable[string] `json:"source_ip_cidr,omitempty"` SourcePort Listable[uint16] `json:"source_port,omitempty"` SourcePortRange Listable[string] `json:"source_port_range,omitempty"` Port Listable[uint16] `json:"port,omitempty"` PortRange Listable[string] `json:"port_range,omitempty"` ProcessName Listable[string] `json:"process_name,omitempty"` ProcessPath Listable[string] `json:"process_path,omitempty"` PackageName Listable[string] `json:"package_name,omitempty"` User Listable[string] `json:"user,omitempty"` UserID Listable[int32] `json:"user_id,omitempty"` Outbound Listable[string] `json:"outbound,omitempty"` ClashMode string `json:"clash_mode,omitempty"` Invert bool `json:"invert,omitempty"` Server string `json:"server,omitempty"` DisableCache bool `json:"disable_cache,omitempty"` } func (r DefaultDNSRule) IsValid() bool { var defaultValue DefaultDNSRule defaultValue.Invert = r.Invert defaultValue.Server = r.Server defaultValue.DisableCache = r.DisableCache return !reflect.DeepEqual(r, defaultValue) } type LogicalDNSRule struct { Mode string `json:"mode"` Rules []DefaultDNSRule `json:"rules,omitempty"` Invert bool `json:"invert,omitempty"` Server string `json:"server,omitempty"` DisableCache bool `json:"disable_cache,omitempty"` } func (r LogicalDNSRule) IsValid() bool { return len(r.Rules) > 0 && common.All(r.Rules, DefaultDNSRule.IsValid) }