79 lines
1.4 KiB
Go
79 lines
1.4 KiB
Go
package redis
|
|
|
|
import (
|
|
"git.loafle.net/overflow/overflow_probe/commons_go/matcher/packet"
|
|
"git.loafle.net/overflow/overflow_probe/commons_go/model/scaninfo"
|
|
)
|
|
|
|
const (
|
|
COMPARE_STR_1 = "-"
|
|
COMPARE_STR_2 = "DENIED"
|
|
)
|
|
|
|
type RedisProtectedMatcher struct {
|
|
}
|
|
|
|
func NewRedisProtectedMatcher() *RedisProtectedMatcher {
|
|
|
|
redisMatcher := &RedisProtectedMatcher{}
|
|
|
|
return redisMatcher
|
|
}
|
|
|
|
func (r *RedisProtectedMatcher) ServiceName() string {
|
|
return "RedisProtectedMatcher"
|
|
}
|
|
|
|
func (r *RedisProtectedMatcher) PacketCount() int {
|
|
return 0
|
|
}
|
|
func (r *RedisProtectedMatcher) Packet(index int) *packet.Packet {
|
|
return nil
|
|
}
|
|
|
|
func (r *RedisProtectedMatcher) IsError(index int, packet *packet.Packet, info scaninfo.ServiceScanInfo) bool {
|
|
return false
|
|
}
|
|
|
|
func (r *RedisProtectedMatcher) IsNoResponse(index int) bool {
|
|
return false
|
|
}
|
|
|
|
func (r *RedisProtectedMatcher) IsPrePacket() bool {
|
|
return true
|
|
}
|
|
|
|
func (r *RedisProtectedMatcher) Match(index int, packet *packet.Packet, info scaninfo.ServiceScanInfo) bool {
|
|
|
|
if packet == nil {
|
|
return false
|
|
}
|
|
|
|
switch index {
|
|
case 0:
|
|
str := string(packet.Buffer[:packet.Len])
|
|
|
|
if str == "" {
|
|
return false
|
|
}
|
|
if len(str) <= 0 {
|
|
return false
|
|
}
|
|
|
|
firstCompare := str[0:1]
|
|
seconcdCompare := str[1 : len(COMPARE_STR_2)+1]
|
|
|
|
if firstCompare != COMPARE_STR_1 {
|
|
return false
|
|
}
|
|
if seconcdCompare != COMPARE_STR_2 {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
return false
|
|
|
|
}
|