71 lines
1.1 KiB
Go
71 lines
1.1 KiB
Go
package protected
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import (
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"git.loafle.net/overflow/overflow_discovery/service/matcher"
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)
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const (
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COMPARE_STR_1 = "-"
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COMPARE_STR_2 = "DENIED"
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)
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type RedisProtectedMatcher struct {
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matcher.Matchers
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}
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func (r *RedisProtectedMatcher) ServiceName() string {
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return "Redis:Protected"
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}
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func (r *RedisProtectedMatcher) IsPrePacket() bool {
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return true
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}
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func (r *RedisProtectedMatcher) HasResponse(index int) bool {
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return true
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}
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func (r *RedisProtectedMatcher) IsError(info matcher.MatchInfo, index int, packet *matcher.Packet) bool {
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return false
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}
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func (r *RedisProtectedMatcher) Match(info matcher.MatchInfo, index int, packet *matcher.Packet) bool {
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if packet == nil {
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return false
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}
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switch index {
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case 0:
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str := string(packet.Buffer[:packet.Len])
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if str == "" {
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return false
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}
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if len(str) <= 0 {
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return false
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}
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firstCompare := str[0:1]
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seconcdCompare := str[1 : len(COMPARE_STR_2)+1]
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if firstCompare != COMPARE_STR_1 {
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return false
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}
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if seconcdCompare != COMPARE_STR_2 {
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return false
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}
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return true
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}
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return false
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}
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func NewMatcher() matcher.Matcher {
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m := &RedisProtectedMatcher{}
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return m
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}
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