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fix: Rule-Set中不解析DNS

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feat: RULE-SET支持no-resolve
This commit is contained in:
adlyq 2022-05-18 18:43:44 +08:00
parent b5623602f5
commit 8b09db5f7f
6 changed files with 18 additions and 21 deletions
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4
component/sniffer/dispatcher.go
View file

@ -117,13 +117,13 @@ func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Meta
host, err := sniffer.SniffTCP(bytes)
if err != nil {
log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
//log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
continue
}
_, err = netip.ParseAddr(host)
if err == nil {
log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
//log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
continue
}

3
rule/logic/common.go
View file

@ -102,7 +102,8 @@ func parseRule(tp, payload string, params []string) (C.Rule, error) {
case "PROCESS-PATH":
parsed, parseErr = RC.NewProcess(payload, "", false)
case "RULE-SET":
parsed, parseErr = provider.NewRuleSet(payload, "")
noResolve := RC.HasNoResolve(params)
parsed, parseErr = provider.NewRuleSet(payload, "", noResolve)
case "NOT":
parsed, parseErr = NewNOT(payload, "")
case "AND":

3
rule/parser.go
View file

@ -50,7 +50,8 @@ func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
case "NOT":
parsed, parseErr = logic.NewNOT(payload, target)
case "RULE-SET":
parsed, parseErr = RP.NewRuleSet(payload, target)
noResolve := RC.HasNoResolve(params)
parsed, parseErr = RP.NewRuleSet(payload, target, noResolve)
case "MATCH":
parsed = RC.NewMatch(target)
default:

14
rule/provider/classical_strategy.go
View file

@ -30,26 +30,20 @@ func (c *classicalStrategy) ShouldResolveIP() bool {
}
func (c *classicalStrategy) OnUpdate(rules []string) {
var classicalRules []C.Rule
shouldResolveIP := false
count := 0
for _, rawRule := range rules {
ruleType, rule, params := ruleParse(rawRule)
r, err := parseRule(ruleType, rule, "", params)
if err != nil {
log.Warnln("parse rule error:[%s]", err.Error())
} else {
if !shouldResolveIP {
shouldResolveIP = shouldResolveIP || r.ShouldResolveIP()
if !c.shouldResolveIP {
c.shouldResolveIP = r.ShouldResolveIP()
}
classicalRules = append(classicalRules, r)
count++
c.rules = append(c.rules, r)
c.count++
}
}
c.rules = classicalRules
c.count = count
}
func NewClassicalStrategy() *classicalStrategy {

9
rule/provider/domain_strategy.go
View file

@ -8,9 +8,8 @@ import (
)
type domainStrategy struct {
shouldResolveIP bool
count int
domainRules *trie.DomainTrie[bool]
count int
domainRules *trie.DomainTrie[bool]
}
func (d *domainStrategy) Match(metadata *C.Metadata) bool {
@ -22,7 +21,7 @@ func (d *domainStrategy) Count() int {
}
func (d *domainStrategy) ShouldResolveIP() bool {
return d.shouldResolveIP
return false
}
func (d *domainStrategy) OnUpdate(rules []string) {
@ -55,5 +54,5 @@ func ruleParse(ruleRaw string) (string, string, []string) {
}
func NewDomainStrategy() *domainStrategy {
return &domainStrategy{shouldResolveIP: false}
return &domainStrategy{}
}

6
rule/provider/rule_set.go
View file

@ -12,6 +12,7 @@ type RuleSet struct {
ruleProviderName string
adapter string
ruleProvider P.RuleProvider
noResolveIP bool
}
func (rs *RuleSet) ShouldFindProcess() bool {
@ -35,7 +36,7 @@ func (rs *RuleSet) Payload() string {
}
func (rs *RuleSet) ShouldResolveIP() bool {
return rs.getProviders().ShouldResolveIP()
return !rs.noResolveIP && rs.getProviders().ShouldResolveIP()
}
func (rs *RuleSet) getProviders() P.RuleProvider {
if rs.ruleProvider == nil {
@ -46,7 +47,7 @@ func (rs *RuleSet) getProviders() P.RuleProvider {
return rs.ruleProvider
}
func NewRuleSet(ruleProviderName string, adapter string) (*RuleSet, error) {
func NewRuleSet(ruleProviderName string, adapter string, noResolveIP bool) (*RuleSet, error) {
rp, ok := RuleProviders()[ruleProviderName]
if !ok {
return nil, fmt.Errorf("rule set %s not found", ruleProviderName)
@ -56,5 +57,6 @@ func NewRuleSet(ruleProviderName string, adapter string) (*RuleSet, error) {
ruleProviderName: ruleProviderName,
adapter: adapter,
ruleProvider: rp,
noResolveIP: noResolveIP,
}, nil
}