From c3203e0d86d47c10d983cece369d8ff2078cd6ad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= Date: Fri, 26 Jul 2024 08:03:08 +0800 Subject: [PATCH] Add AdGuard DNS filter support --- cmd/sing-box/cmd_rule_set_convert.go | 88 +++++ .../internal/convertor/adguard/convertor.go | 346 ++++++++++++++++++ .../convertor/adguard/convertor_test.go | 140 +++++++ common/srs/binary.go | 22 ++ docs/configuration/rule-set/adguard.md | 71 ++++ mkdocs.yml | 1 + option/rule_set.go | 3 + route/rule_headless.go | 9 + route/rule_item_adguard.go | 43 +++ 9 files changed, 723 insertions(+) create mode 100644 cmd/sing-box/cmd_rule_set_convert.go create mode 100644 cmd/sing-box/internal/convertor/adguard/convertor.go create mode 100644 cmd/sing-box/internal/convertor/adguard/convertor_test.go create mode 100644 docs/configuration/rule-set/adguard.md create mode 100644 route/rule_item_adguard.go diff --git a/cmd/sing-box/cmd_rule_set_convert.go b/cmd/sing-box/cmd_rule_set_convert.go new file mode 100644 index 00000000..8d2092ea --- /dev/null +++ b/cmd/sing-box/cmd_rule_set_convert.go @@ -0,0 +1,88 @@ +package main + +import ( + "io" + "os" + "strings" + + "github.com/sagernet/sing-box/cmd/sing-box/internal/convertor/adguard" + "github.com/sagernet/sing-box/common/srs" + "github.com/sagernet/sing-box/log" + "github.com/sagernet/sing-box/option" + E "github.com/sagernet/sing/common/exceptions" + + "github.com/spf13/cobra" +) + +var ( + flagRuleSetConvertType string + flagRuleSetConvertOutput string +) + +var commandRuleSetConvert = &cobra.Command{ + Use: "convert [source-path]", + Short: "Convert adguard DNS filter to rule-set", + Args: cobra.ExactArgs(1), + Run: func(cmd *cobra.Command, args []string) { + err := convertRuleSet(args[0]) + if err != nil { + log.Fatal(err) + } + }, +} + +func init() { + commandRuleSet.AddCommand(commandRuleSetConvert) + commandRuleSetConvert.Flags().StringVarP(&flagRuleSetConvertType, "type", "t", "", "Source type, available: adguard") + commandRuleSetConvert.Flags().StringVarP(&flagRuleSetConvertOutput, "output", "o", flagRuleSetCompileDefaultOutput, "Output file") +} + +func convertRuleSet(sourcePath string) error { + var ( + reader io.Reader + err error + ) + if sourcePath == "stdin" { + reader = os.Stdin + } else { + reader, err = os.Open(sourcePath) + if err != nil { + return err + } + } + var rules []option.HeadlessRule + switch flagRuleSetConvertType { + case "adguard": + rules, err = adguard.Convert(reader) + case "": + return E.New("source type is required") + default: + return E.New("unsupported source type: ", flagRuleSetConvertType) + } + if err != nil { + return err + } + var outputPath string + if flagRuleSetConvertOutput == flagRuleSetCompileDefaultOutput { + if strings.HasSuffix(sourcePath, ".txt") { + outputPath = sourcePath[:len(sourcePath)-4] + ".srs" + } else { + outputPath = sourcePath + ".srs" + } + } else { + outputPath = flagRuleSetConvertOutput + } + outputFile, err := os.Create(outputPath) + if err != nil { + return err + } + defer outputFile.Close() + err = srs.Write(outputFile, option.PlainRuleSet{Rules: rules}, true) + if err != nil { + outputFile.Close() + os.Remove(outputPath) + return err + } + outputFile.Close() + return nil +} diff --git a/cmd/sing-box/internal/convertor/adguard/convertor.go b/cmd/sing-box/internal/convertor/adguard/convertor.go new file mode 100644 index 00000000..ff60929b --- /dev/null +++ b/cmd/sing-box/internal/convertor/adguard/convertor.go @@ -0,0 +1,346 @@ +package adguard + +import ( + "bufio" + "io" + "net/netip" + "os" + "strconv" + "strings" + + C "github.com/sagernet/sing-box/constant" + "github.com/sagernet/sing-box/log" + "github.com/sagernet/sing-box/option" + "github.com/sagernet/sing/common" + E "github.com/sagernet/sing/common/exceptions" + M "github.com/sagernet/sing/common/metadata" +) + +type agdguardRuleLine struct { + ruleLine string + isRawDomain bool + isExclude bool + isSuffix bool + hasStart bool + hasEnd bool + isRegexp bool + isImportant bool +} + +func Convert(reader io.Reader) ([]option.HeadlessRule, error) { + scanner := bufio.NewScanner(reader) + var ( + ruleLines []agdguardRuleLine + ignoredLines int + ) +parseLine: + for scanner.Scan() { + ruleLine := scanner.Text() + if ruleLine == "" || ruleLine[0] == '!' || ruleLine[0] == '#' { + continue + } + originRuleLine := ruleLine + if M.IsDomainName(ruleLine) { + ruleLines = append(ruleLines, agdguardRuleLine{ + ruleLine: ruleLine, + isRawDomain: true, + }) + continue + } + hostLine, err := parseAdGuardHostLine(ruleLine) + if err == nil { + if hostLine != "" { + ruleLines = append(ruleLines, agdguardRuleLine{ + ruleLine: hostLine, + isRawDomain: true, + hasStart: true, + hasEnd: true, + }) + } + continue + } + if strings.HasSuffix(ruleLine, "|") { + ruleLine = ruleLine[:len(ruleLine)-1] + } + var ( + isExclude bool + isSuffix bool + hasStart bool + hasEnd bool + isRegexp bool + isImportant bool + ) + if !strings.HasPrefix(ruleLine, "/") && strings.Contains(ruleLine, "$") { + params := common.SubstringAfter(ruleLine, "$") + for _, param := range strings.Split(params, ",") { + paramParts := strings.Split(param, "=") + var ignored bool + if len(paramParts) > 0 && len(paramParts) <= 2 { + switch paramParts[0] { + case "app", "network": + // maybe support by package_name/process_name + case "dnstype": + // maybe support by query_type + case "important": + ignored = true + isImportant = true + case "dnsrewrite": + if len(paramParts) == 2 && M.ParseAddr(paramParts[1]).IsUnspecified() { + ignored = true + } + } + } + if !ignored { + ignoredLines++ + log.Debug("ignored unsupported rule with modifier: ", paramParts[0], ": ", ruleLine) + continue parseLine + } + } + ruleLine = common.SubstringBefore(ruleLine, "$") + } + if strings.HasPrefix(ruleLine, "@@") { + ruleLine = ruleLine[2:] + isExclude = true + } + if strings.HasSuffix(ruleLine, "|") { + ruleLine = ruleLine[:len(ruleLine)-1] + } + if strings.HasPrefix(ruleLine, "||") { + ruleLine = ruleLine[2:] + isSuffix = true + } else if strings.HasPrefix(ruleLine, "|") { + ruleLine = ruleLine[1:] + hasStart = true + } + if strings.HasSuffix(ruleLine, "^") { + ruleLine = ruleLine[:len(ruleLine)-1] + hasEnd = true + } + if strings.HasPrefix(ruleLine, "/") && strings.HasSuffix(ruleLine, "/") { + ruleLine = ruleLine[1 : len(ruleLine)-1] + if ignoreIPCIDRRegexp(ruleLine) { + ignoredLines++ + log.Debug("ignored unsupported rule with IPCIDR regexp: ", ruleLine) + continue + } + isRegexp = true + } else { + if strings.Contains(ruleLine, "://") { + ruleLine = common.SubstringAfter(ruleLine, "://") + } + if strings.Contains(ruleLine, "/") { + ignoredLines++ + log.Debug("ignored unsupported rule with path: ", ruleLine) + continue + } + if strings.Contains(ruleLine, "##") { + ignoredLines++ + log.Debug("ignored unsupported rule with element hiding: ", ruleLine) + continue + } + if strings.Contains(ruleLine, "#$#") { + ignoredLines++ + log.Debug("ignored unsupported rule with element hiding: ", ruleLine) + continue + } + var domainCheck string + if strings.HasPrefix(ruleLine, ".") || strings.HasPrefix(ruleLine, "-") { + domainCheck = "r" + ruleLine + } else { + domainCheck = ruleLine + } + if ruleLine == "" { + ignoredLines++ + log.Debug("ignored unsupported rule with empty domain", originRuleLine) + continue + } else { + domainCheck = strings.ReplaceAll(domainCheck, "*", "x") + if !M.IsDomainName(domainCheck) { + _, ipErr := parseADGuardIPCIDRLine(ruleLine) + if ipErr == nil { + ignoredLines++ + log.Debug("ignored unsupported rule with IPCIDR: ", ruleLine) + continue + } + if M.ParseSocksaddr(domainCheck).Port != 0 { + log.Debug("ignored unsupported rule with port: ", ruleLine) + } else { + log.Debug("ignored unsupported rule with invalid domain: ", ruleLine) + } + ignoredLines++ + continue + } + } + } + ruleLines = append(ruleLines, agdguardRuleLine{ + ruleLine: ruleLine, + isExclude: isExclude, + isSuffix: isSuffix, + hasStart: hasStart, + hasEnd: hasEnd, + isRegexp: isRegexp, + isImportant: isImportant, + }) + } + if len(ruleLines) == 0 { + return nil, E.New("AdGuard rule-set is empty or all rules are unsupported") + } + if common.All(ruleLines, func(it agdguardRuleLine) bool { + return it.isRawDomain + }) { + return []option.HeadlessRule{ + { + Type: C.RuleTypeDefault, + DefaultOptions: option.DefaultHeadlessRule{ + Domain: common.Map(ruleLines, func(it agdguardRuleLine) string { + return it.ruleLine + }), + }, + }, + }, nil + } + mapDomain := func(it agdguardRuleLine) string { + ruleLine := it.ruleLine + if it.isSuffix { + ruleLine = "||" + ruleLine + } else if it.hasStart { + ruleLine = "|" + ruleLine + } + if it.hasEnd { + ruleLine += "^" + } + return ruleLine + } + + importantDomain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && !it.isRegexp && !it.isExclude }), mapDomain) + importantDomainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && it.isRegexp && !it.isExclude }), mapDomain) + importantExcludeDomain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && !it.isRegexp && it.isExclude }), mapDomain) + importantExcludeDomainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return it.isImportant && it.isRegexp && it.isExclude }), mapDomain) + domain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && !it.isRegexp && !it.isExclude }), mapDomain) + domainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && it.isRegexp && !it.isExclude }), mapDomain) + excludeDomain := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && !it.isRegexp && it.isExclude }), mapDomain) + excludeDomainRegex := common.Map(common.Filter(ruleLines, func(it agdguardRuleLine) bool { return !it.isImportant && it.isRegexp && it.isExclude }), mapDomain) + currentRule := option.HeadlessRule{ + Type: C.RuleTypeDefault, + DefaultOptions: option.DefaultHeadlessRule{ + AdGuardDomain: domain, + DomainRegex: domainRegex, + }, + } + if len(excludeDomain) > 0 || len(excludeDomainRegex) > 0 { + currentRule = option.HeadlessRule{ + Type: C.RuleTypeLogical, + LogicalOptions: option.LogicalHeadlessRule{ + Mode: C.LogicalTypeAnd, + Rules: []option.HeadlessRule{ + { + Type: C.RuleTypeDefault, + DefaultOptions: option.DefaultHeadlessRule{ + AdGuardDomain: excludeDomain, + DomainRegex: excludeDomainRegex, + Invert: true, + }, + }, + currentRule, + }, + }, + } + } + if len(importantDomain) > 0 || len(importantDomainRegex) > 0 { + currentRule = option.HeadlessRule{ + Type: C.RuleTypeLogical, + LogicalOptions: option.LogicalHeadlessRule{ + Mode: C.LogicalTypeOr, + Rules: []option.HeadlessRule{ + { + Type: C.RuleTypeDefault, + DefaultOptions: option.DefaultHeadlessRule{ + AdGuardDomain: importantDomain, + DomainRegex: importantDomainRegex, + }, + }, + currentRule, + }, + }, + } + } + if len(importantExcludeDomain) > 0 || len(importantExcludeDomainRegex) > 0 { + currentRule = option.HeadlessRule{ + Type: C.RuleTypeLogical, + LogicalOptions: option.LogicalHeadlessRule{ + Mode: C.LogicalTypeAnd, + Rules: []option.HeadlessRule{ + { + Type: C.RuleTypeDefault, + DefaultOptions: option.DefaultHeadlessRule{ + AdGuardDomain: importantExcludeDomain, + DomainRegex: importantExcludeDomainRegex, + Invert: true, + }, + }, + currentRule, + }, + }, + } + } + log.Info("parsed rules: ", len(ruleLines), "/", len(ruleLines)+ignoredLines) + return []option.HeadlessRule{currentRule}, nil +} + +func ignoreIPCIDRRegexp(ruleLine string) bool { + if strings.HasPrefix(ruleLine, "(http?:\\/\\/)") { + ruleLine = ruleLine[12:] + } else if strings.HasPrefix(ruleLine, "(https?:\\/\\/)") { + ruleLine = ruleLine[13:] + } else if strings.HasPrefix(ruleLine, "^") { + ruleLine = ruleLine[1:] + } else { + return false + } + _, parseErr := strconv.ParseUint(common.SubstringBefore(ruleLine, "\\."), 10, 8) + return parseErr == nil +} + +func parseAdGuardHostLine(ruleLine string) (string, error) { + idx := strings.Index(ruleLine, " ") + if idx == -1 { + return "", os.ErrInvalid + } + address, err := netip.ParseAddr(ruleLine[:idx]) + if err != nil { + return "", err + } + if !address.IsUnspecified() { + return "", nil + } + domain := ruleLine[idx+1:] + if !M.IsDomainName(domain) { + return "", E.New("invalid domain name: ", domain) + } + return domain, nil +} + +func parseADGuardIPCIDRLine(ruleLine string) (netip.Prefix, error) { + var isPrefix bool + if strings.HasSuffix(ruleLine, ".") { + isPrefix = true + ruleLine = ruleLine[:len(ruleLine)-1] + } + ruleStringParts := strings.Split(ruleLine, ".") + if len(ruleStringParts) > 4 || len(ruleStringParts) < 4 && !isPrefix { + return netip.Prefix{}, os.ErrInvalid + } + ruleParts := make([]uint8, 0, len(ruleStringParts)) + for _, part := range ruleStringParts { + rulePart, err := strconv.ParseUint(part, 10, 8) + if err != nil { + return netip.Prefix{}, err + } + ruleParts = append(ruleParts, uint8(rulePart)) + } + bitLen := len(ruleParts) * 8 + for len(ruleParts) < 4 { + ruleParts = append(ruleParts, 0) + } + return netip.PrefixFrom(netip.AddrFrom4(*(*[4]byte)(ruleParts)), bitLen), nil +} diff --git a/cmd/sing-box/internal/convertor/adguard/convertor_test.go b/cmd/sing-box/internal/convertor/adguard/convertor_test.go new file mode 100644 index 00000000..7da8a228 --- /dev/null +++ b/cmd/sing-box/internal/convertor/adguard/convertor_test.go @@ -0,0 +1,140 @@ +package adguard + +import ( + "strings" + "testing" + + "github.com/sagernet/sing-box/adapter" + "github.com/sagernet/sing-box/route" + + "github.com/stretchr/testify/require" +) + +func TestConverter(t *testing.T) { + t.Parallel() + rules, err := Convert(strings.NewReader(` +||example.org^ +|example.com^ +example.net^ +||example.edu +||example.edu.tw^ +|example.gov +example.arpa +@@|sagernet.example.org| +||sagernet.org^$important +@@|sing-box.sagernet.org^$important +`)) + require.NoError(t, err) + require.Len(t, rules, 1) + rule, err := route.NewHeadlessRule(nil, rules[0]) + require.NoError(t, err) + matchDomain := []string{ + "example.org", + "www.example.org", + "example.com", + "example.net", + "isexample.net", + "www.example.net", + "example.edu", + "example.edu.cn", + "example.edu.tw", + "www.example.edu", + "www.example.edu.cn", + "example.gov", + "example.gov.cn", + "example.arpa", + "www.example.arpa", + "isexample.arpa", + "example.arpa.cn", + "www.example.arpa.cn", + "isexample.arpa.cn", + "sagernet.org", + "www.sagernet.org", + } + notMatchDomain := []string{ + "example.org.cn", + "notexample.org", + "example.com.cn", + "www.example.com.cn", + "example.net.cn", + "notexample.edu", + "notexample.edu.cn", + "www.example.gov", + "notexample.gov", + "sagernet.example.org", + "sing-box.sagernet.org", + } + for _, domain := range matchDomain { + require.True(t, rule.Match(&adapter.InboundContext{ + Domain: domain, + }), domain) + } + for _, domain := range notMatchDomain { + require.False(t, rule.Match(&adapter.InboundContext{ + Domain: domain, + }), domain) + } +} + +func TestHosts(t *testing.T) { + t.Parallel() + rules, err := Convert(strings.NewReader(` +127.0.0.1 localhost +::1 localhost #[IPv6] +0.0.0.0 google.com +`)) + require.NoError(t, err) + require.Len(t, rules, 1) + rule, err := route.NewHeadlessRule(nil, rules[0]) + require.NoError(t, err) + matchDomain := []string{ + "google.com", + } + notMatchDomain := []string{ + "www.google.com", + "notgoogle.com", + "localhost", + } + for _, domain := range matchDomain { + require.True(t, rule.Match(&adapter.InboundContext{ + Domain: domain, + }), domain) + } + for _, domain := range notMatchDomain { + require.False(t, rule.Match(&adapter.InboundContext{ + Domain: domain, + }), domain) + } +} + +func TestSimpleHosts(t *testing.T) { + t.Parallel() + rules, err := Convert(strings.NewReader(` +example.com +www.example.org +`)) + require.NoError(t, err) + require.Len(t, rules, 1) + rule, err := route.NewHeadlessRule(nil, rules[0]) + require.NoError(t, err) + matchDomain := []string{ + "example.com", + "www.example.org", + } + notMatchDomain := []string{ + "example.com.cn", + "www.example.com", + "notexample.com", + "example.org", + } + for _, domain := range matchDomain { + require.True(t, rule.Match(&adapter.InboundContext{ + Domain: domain, + }), domain) + } + for _, domain := range notMatchDomain { + require.False(t, rule.Match(&adapter.InboundContext{ + Domain: domain, + }), domain) + } +} diff --git a/common/srs/binary.go b/common/srs/binary.go index 69075f78..7e4f402b 100644 --- a/common/srs/binary.go +++ b/common/srs/binary.go @@ -36,6 +36,7 @@ const ( ruleItemPackageName ruleItemWIFISSID ruleItemWIFIBSSID + ruleItemAdGuardDomain ruleItemFinal uint8 = 0xFF ) @@ -212,6 +213,17 @@ func readDefaultRule(reader varbin.Reader, recover bool) (rule option.DefaultHea rule.WIFISSID, err = readRuleItemString(reader) case ruleItemWIFIBSSID: rule.WIFIBSSID, err = readRuleItemString(reader) + case ruleItemAdGuardDomain: + if recover { + err = E.New("unable to decompile binary AdGuard rules to rule-set") + return + } + var matcher *domain.AdGuardMatcher + matcher, err = domain.ReadAdGuardMatcher(reader) + if err != nil { + return + } + rule.AdGuardDomainMatcher = matcher case ruleItemFinal: err = binary.Read(reader, binary.BigEndian, &rule.Invert) return @@ -332,6 +344,16 @@ func writeDefaultRule(writer varbin.Writer, rule option.DefaultHeadlessRule, gen return err } } + if len(rule.AdGuardDomain) > 0 { + err = binary.Write(writer, binary.BigEndian, ruleItemAdGuardDomain) + if err != nil { + return err + } + err = domain.NewAdGuardMatcher(rule.AdGuardDomain).Write(writer) + if err != nil { + return err + } + } err = binary.Write(writer, binary.BigEndian, ruleItemFinal) if err != nil { return err diff --git a/docs/configuration/rule-set/adguard.md b/docs/configuration/rule-set/adguard.md new file mode 100644 index 00000000..870972bf --- /dev/null +++ b/docs/configuration/rule-set/adguard.md @@ -0,0 +1,71 @@ +--- +icon: material/new-box +--- + +# AdGuard DNS Filter + +!!! question "Since sing-box 1.10.0" + +sing-box supports some rule-set formats from other projects which cannot be fully translated to sing-box, +currently only AdGuard DNS Filter. + +These formats are not directly supported as source formats, +instead you need to convert them to binary rule-set. + +## Convert + +Use `sing-box rule-set convert --type adguard [--output .srs] .txt` to convert to binary rule-set. + +## Performance + +AdGuard keeps all rules in memory and matches them sequentially, +while sing-box chooses high performance and smaller memory usage. +As a trade-off, you cannot know which rule item is matched. + +## Compatibility + +Almost all rules in [AdGuardSDNSFilter](https://github.com/AdguardTeam/AdGuardSDNSFilter) +and rules in rule-sets listed in [adguard-filter-list](https://github.com/ppfeufer/adguard-filter-list) +are supported. + +## Supported formats + +### AdGuard Filter + +#### Basic rule syntax + +| Syntax | Supported | +|--------|------------------| +| `@@` | :material-check: | +| `\|\|` | :material-check: | +| `\|` | :material-check: | +| `^` | :material-check: | +| `*` | :material-check: | + +#### Host syntax + +| Syntax | Example | Supported | +|-------------|--------------------------|--------------------------| +| Scheme | `https://` | :material-alert: Ignored | +| Domain Host | `example.org` | :material-check: | +| IP Host | `1.1.1.1`, `10.0.0.` | :material-close: | +| Regexp | `/regexp/` | :material-check: | +| Port | `example.org:80` | :material-close: | +| Path | `example.org/path/ad.js` | :material-close: | + +#### Modifier syntax + +| Modifier | Supported | +|-----------------------|--------------------------| +| `$important` | :material-check: | +| `$dnsrewrite=0.0.0.0` | :material-alert: Ignored | +| Any other modifiers | :material-close: | + +### Hosts + +Only items with `0.0.0.0` IP addresses will be accepted. + +### Simple + +When all rule lines are valid domains, they are treated as simple line-by-line domain rules which, +like hosts, only match the exact same domain. \ No newline at end of file diff --git a/mkdocs.yml b/mkdocs.yml index d5218f4d..63b339fa 100644 --- a/mkdocs.yml +++ b/mkdocs.yml @@ -90,6 +90,7 @@ nav: - configuration/rule-set/index.md - Source Format: configuration/rule-set/source-format.md - Headless Rule: configuration/rule-set/headless-rule.md + - AdGuard DNS Filer: configuration/rule-set/adguard.md - Experimental: - configuration/experimental/index.md - Cache File: configuration/experimental/cache-file.md diff --git a/option/rule_set.go b/option/rule_set.go index 002cadd4..8470324b 100644 --- a/option/rule_set.go +++ b/option/rule_set.go @@ -166,6 +166,9 @@ type DefaultHeadlessRule struct { DomainMatcher *domain.Matcher `json:"-"` SourceIPSet *netipx.IPSet `json:"-"` IPSet *netipx.IPSet `json:"-"` + + AdGuardDomain Listable[string] `json:"-"` + AdGuardDomainMatcher *domain.AdGuardMatcher `json:"-"` } func (r DefaultHeadlessRule) IsValid() bool { diff --git a/route/rule_headless.go b/route/rule_headless.go index 67ac3a1e..d537df57 100644 --- a/route/rule_headless.go +++ b/route/rule_headless.go @@ -142,6 +142,15 @@ func NewDefaultHeadlessRule(router adapter.Router, options option.DefaultHeadles rule.allItems = append(rule.allItems, item) } } + if len(options.AdGuardDomain) > 0 { + item := NewAdGuardDomainItem(options.AdGuardDomain) + rule.destinationAddressItems = append(rule.destinationAddressItems, item) + rule.allItems = append(rule.allItems, item) + } else if options.AdGuardDomainMatcher != nil { + item := NewRawAdGuardDomainItem(options.AdGuardDomainMatcher) + rule.destinationAddressItems = append(rule.destinationAddressItems, item) + rule.allItems = append(rule.allItems, item) + } return rule, nil } diff --git a/route/rule_item_adguard.go b/route/rule_item_adguard.go new file mode 100644 index 00000000..bdbb3b75 --- /dev/null +++ b/route/rule_item_adguard.go @@ -0,0 +1,43 @@ +package route + +import ( + "strings" + + "github.com/sagernet/sing-box/adapter" + "github.com/sagernet/sing/common/domain" +) + +var _ RuleItem = (*AdGuardDomainItem)(nil) + +type AdGuardDomainItem struct { + matcher *domain.AdGuardMatcher +} + +func NewAdGuardDomainItem(ruleLines []string) *AdGuardDomainItem { + return &AdGuardDomainItem{ + domain.NewAdGuardMatcher(ruleLines), + } +} + +func NewRawAdGuardDomainItem(matcher *domain.AdGuardMatcher) *AdGuardDomainItem { + return &AdGuardDomainItem{ + matcher, + } +} + +func (r *AdGuardDomainItem) Match(metadata *adapter.InboundContext) bool { + var domainHost string + if metadata.Domain != "" { + domainHost = metadata.Domain + } else { + domainHost = metadata.Destination.Fqdn + } + if domainHost == "" { + return false + } + return r.matcher.Match(strings.ToLower(domainHost)) +} + +func (r *AdGuardDomainItem) String() string { + return "!adguard_domain_rules=" +}