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fix(common): strmatcher match domain safety

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This commit is contained in:
mengskysama
2023-08-23 01:21:27 +08:00
committed by yuhan6665
parent cd1d000860
commit fce86aad33
2 changed files with 9 additions and 2 deletions
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6
common/strmatcher/ac_automaton_matcher.go
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@ -225,7 +225,11 @@ func (ac *ACAutomaton) Match(s string) bool {
// 2. the match string is through a fail edge. NOT FULL MATCH
// 2.1 Through a fail edge, but there exists a valid node. SUBSTR
for i := len(s) - 1; i >= 0; i-- {
idx := char2Index[s[i]]
chr := int(s[i])
if chr >= len(char2Index) {
return false
}
idx := char2Index[chr]
fullMatch = fullMatch && ac.trie[node][idx].edgeType
node = ac.trie[node][idx].nextNode
switch ac.exists[node].matchType {