59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
package ssh
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import (
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"strings"
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"git.loafle.net/overflow/overflow_discovery/service/matcher"
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)
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type SSHMatcher struct {
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matcher.Matchers
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}
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func (ssh *SSHMatcher) ServiceName() string {
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return "SSH"
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}
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func (ssh *SSHMatcher) IsPrePacket() bool {
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return true
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}
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func (ssh *SSHMatcher) HasResponse(index int) bool {
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return true
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}
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func (ssh *SSHMatcher) 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 (ssh *SSHMatcher) Match(info matcher.MatchInfo, index int, packet *matcher.Packet) bool {
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result := false
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if packet == nil || packet.Buffer == nil || packet.Len == 0 {
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return result
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}
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str := string(packet.Buffer)
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//fmt.Println(str)
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temps := strings.Split(str, " ")
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protocol := strings.Split(temps[0], "-")
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//osType := temps[1]
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if 0 == strings.Compare(protocol[0], "SSH") {
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majorVersion := protocol[1]
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//fmt.Println(majorVersion)
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if 0 == strings.Compare(majorVersion, "2.0") || 0 == strings.Compare(majorVersion, "1.0") {
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result = true
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}
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}
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return result
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}
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func NewMatcher() matcher.Matcher {
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m := &SSHMatcher{}
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return m
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}
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