mirror of
https://github.com/SagerNet/sing-box.git
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WTF is this
This commit is contained in:
世界
parent
bda93d516b
commit
923d3222b0
41 changed files with 421 additions and 507 deletions
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@ -1,6 +1,7 @@
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package srs
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import (
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"bufio"
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"compress/zlib"
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"encoding/binary"
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"io"
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@ -11,7 +12,7 @@ import (
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/domain"
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E "github.com/sagernet/sing/common/exceptions"
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"github.com/sagernet/sing/common/rw"
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"github.com/sagernet/sing/common/varbin"
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"go4.org/netipx"
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)
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@ -38,7 +39,7 @@ const (
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ruleItemFinal uint8 = 0xFF
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)
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func Read(reader io.Reader, recovery bool) (ruleSet option.PlainRuleSet, err error) {
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func Read(reader io.Reader, recover bool) (ruleSet option.PlainRuleSet, err error) {
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var magicBytes [3]byte
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_, err = io.ReadFull(reader, magicBytes[:])
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if err != nil {
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@ -60,13 +61,14 @@ func Read(reader io.Reader, recovery bool) (ruleSet option.PlainRuleSet, err err
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if err != nil {
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return
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}
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length, err := rw.ReadUVariant(zReader)
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bReader := bufio.NewReader(zReader)
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length, err := binary.ReadUvarint(bReader)
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if err != nil {
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return
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}
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ruleSet.Rules = make([]option.HeadlessRule, length)
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for i := uint64(0); i < length; i++ {
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ruleSet.Rules[i], err = readRule(zReader, recovery)
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ruleSet.Rules[i], err = readRule(bReader, recover)
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if err != nil {
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err = E.Cause(err, "read rule[", i, "]")
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return
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@ -88,20 +90,25 @@ func Write(writer io.Writer, ruleSet option.PlainRuleSet) error {
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if err != nil {
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return err
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}
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err = rw.WriteUVariant(zWriter, uint64(len(ruleSet.Rules)))
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bWriter := bufio.NewWriter(zWriter)
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_, err = varbin.WriteUvarint(bWriter, uint64(len(ruleSet.Rules)))
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if err != nil {
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return err
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}
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for _, rule := range ruleSet.Rules {
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err = writeRule(zWriter, rule)
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err = writeRule(bWriter, rule)
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if err != nil {
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return err
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}
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}
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err = bWriter.Flush()
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if err != nil {
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return err
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}
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return zWriter.Close()
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}
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func readRule(reader io.Reader, recovery bool) (rule option.HeadlessRule, err error) {
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func readRule(reader varbin.Reader, recover bool) (rule option.HeadlessRule, err error) {
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var ruleType uint8
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err = binary.Read(reader, binary.BigEndian, &ruleType)
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if err != nil {
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@ -110,17 +117,17 @@ func readRule(reader io.Reader, recovery bool) (rule option.HeadlessRule, err er
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switch ruleType {
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case 0:
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rule.Type = C.RuleTypeDefault
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rule.DefaultOptions, err = readDefaultRule(reader, recovery)
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rule.DefaultOptions, err = readDefaultRule(reader, recover)
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case 1:
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rule.Type = C.RuleTypeLogical
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rule.LogicalOptions, err = readLogicalRule(reader, recovery)
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rule.LogicalOptions, err = readLogicalRule(reader, recover)
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default:
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err = E.New("unknown rule type: ", ruleType)
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}
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return
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}
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func writeRule(writer io.Writer, rule option.HeadlessRule) error {
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func writeRule(writer varbin.Writer, rule option.HeadlessRule) error {
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switch rule.Type {
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case C.RuleTypeDefault:
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return writeDefaultRule(writer, rule.DefaultOptions)
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@ -131,7 +138,7 @@ func writeRule(writer io.Writer, rule option.HeadlessRule) error {
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}
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}
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func readDefaultRule(reader io.Reader, recovery bool) (rule option.DefaultHeadlessRule, err error) {
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func readDefaultRule(reader varbin.Reader, recover bool) (rule option.DefaultHeadlessRule, err error) {
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var lastItemType uint8
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for {
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var itemType uint8
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@ -158,6 +165,9 @@ func readDefaultRule(reader io.Reader, recovery bool) (rule option.DefaultHeadle
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return
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}
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rule.DomainMatcher = matcher
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if recover {
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rule.Domain, rule.DomainSuffix = matcher.Dump()
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}
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case ruleItemDomainKeyword:
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rule.DomainKeyword, err = readRuleItemString(reader)
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case ruleItemDomainRegex:
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@ -167,7 +177,7 @@ func readDefaultRule(reader io.Reader, recovery bool) (rule option.DefaultHeadle
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if err != nil {
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return
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}
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if recovery {
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if recover {
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rule.SourceIPCIDR = common.Map(rule.SourceIPSet.Prefixes(), netip.Prefix.String)
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}
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case ruleItemIPCIDR:
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@ -175,7 +185,7 @@ func readDefaultRule(reader io.Reader, recovery bool) (rule option.DefaultHeadle
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if err != nil {
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return
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}
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if recovery {
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if recover {
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rule.IPCIDR = common.Map(rule.IPSet.Prefixes(), netip.Prefix.String)
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}
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case ruleItemSourcePort:
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@ -209,7 +219,7 @@ func readDefaultRule(reader io.Reader, recovery bool) (rule option.DefaultHeadle
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}
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}
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func writeDefaultRule(writer io.Writer, rule option.DefaultHeadlessRule) error {
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func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule) error {
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err := binary.Write(writer, binary.BigEndian, uint8(0))
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if err != nil {
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return err
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@ -327,73 +337,31 @@ func writeDefaultRule(writer io.Writer, rule option.DefaultHeadlessRule) error {
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return nil
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}
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func readRuleItemString(reader io.Reader) ([]string, error) {
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length, err := rw.ReadUVariant(reader)
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if err != nil {
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return nil, err
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}
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value := make([]string, length)
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for i := uint64(0); i < length; i++ {
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value[i], err = rw.ReadVString(reader)
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if err != nil {
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return nil, err
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}
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}
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return value, nil
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func readRuleItemString(reader varbin.Reader) ([]string, error) {
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return varbin.ReadValue[[]string](reader, binary.BigEndian)
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}
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func writeRuleItemString(writer io.Writer, itemType uint8, value []string) error {
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err := binary.Write(writer, binary.BigEndian, itemType)
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func writeRuleItemString(writer varbin.Writer, itemType uint8, value []string) error {
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err := writer.WriteByte(itemType)
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if err != nil {
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return err
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}
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err = rw.WriteUVariant(writer, uint64(len(value)))
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return varbin.Write(writer, binary.BigEndian, value)
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}
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func readRuleItemUint16(reader varbin.Reader) ([]uint16, error) {
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return varbin.ReadValue[[]uint16](reader, binary.BigEndian)
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}
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func writeRuleItemUint16(writer varbin.Writer, itemType uint8, value []uint16) error {
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err := writer.WriteByte(itemType)
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if err != nil {
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return err
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}
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for _, item := range value {
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err = rw.WriteVString(writer, item)
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if err != nil {
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return err
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}
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}
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return nil
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return varbin.Write(writer, binary.BigEndian, value)
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}
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func readRuleItemUint16(reader io.Reader) ([]uint16, error) {
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length, err := rw.ReadUVariant(reader)
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if err != nil {
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return nil, err
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}
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value := make([]uint16, length)
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for i := uint64(0); i < length; i++ {
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err = binary.Read(reader, binary.BigEndian, &value[i])
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if err != nil {
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return nil, err
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}
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}
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return value, nil
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}
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func writeRuleItemUint16(writer io.Writer, itemType uint8, value []uint16) error {
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err := binary.Write(writer, binary.BigEndian, itemType)
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if err != nil {
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return err
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}
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err = rw.WriteUVariant(writer, uint64(len(value)))
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if err != nil {
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return err
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}
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for _, item := range value {
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err = binary.Write(writer, binary.BigEndian, item)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func writeRuleItemCIDR(writer io.Writer, itemType uint8, value []string) error {
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func writeRuleItemCIDR(writer varbin.Writer, itemType uint8, value []string) error {
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var builder netipx.IPSetBuilder
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for i, prefixString := range value {
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prefix, err := netip.ParsePrefix(prefixString)
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@ -419,9 +387,8 @@ func writeRuleItemCIDR(writer io.Writer, itemType uint8, value []string) error {
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return writeIPSet(writer, ipSet)
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}
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func readLogicalRule(reader io.Reader, recovery bool) (logicalRule option.LogicalHeadlessRule, err error) {
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var mode uint8
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err = binary.Read(reader, binary.BigEndian, &mode)
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func readLogicalRule(reader varbin.Reader, recovery bool) (logicalRule option.LogicalHeadlessRule, err error) {
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mode, err := reader.ReadByte()
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if err != nil {
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return
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}
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@ -434,7 +401,7 @@ func readLogicalRule(reader io.Reader, recovery bool) (logicalRule option.Logica
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err = E.New("unknown logical mode: ", mode)
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return
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}
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length, err := rw.ReadUVariant(reader)
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length, err := binary.ReadUvarint(reader)
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if err != nil {
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return
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}
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@ -453,7 +420,7 @@ func readLogicalRule(reader io.Reader, recovery bool) (logicalRule option.Logica
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return
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}
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func writeLogicalRule(writer io.Writer, logicalRule option.LogicalHeadlessRule) error {
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func writeLogicalRule(writer varbin.Writer, logicalRule option.LogicalHeadlessRule) error {
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err := binary.Write(writer, binary.BigEndian, uint8(1))
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if err != nil {
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return err
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@ -469,7 +436,7 @@ func writeLogicalRule(writer io.Writer, logicalRule option.LogicalHeadlessRule)
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if err != nil {
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return err
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}
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err = rw.WriteUVariant(writer, uint64(len(logicalRule.Rules)))
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_, err = varbin.WriteUvarint(writer, uint64(len(logicalRule.Rules)))
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if err != nil {
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return err
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}
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