45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package ipv4
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import (
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"fmt"
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csm "git.loafle.net/commons/service_matcher-go"
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cuej "git.loafle.net/commons/util-go/encoding/json"
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omd "git.loafle.net/overflow/model/discovery"
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omm "git.loafle.net/overflow/model/meta"
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omu "git.loafle.net/overflow/model/util"
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"git.loafle.net/overflow_scanner/probe/matcher"
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)
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func scanServiceUDP(port *omd.Port, ds *omd.DiscoverService, resultChan chan interface{}, errChan chan error, stopChan chan struct{}) bool {
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portNumber, err := cuej.NumberToInt(port.PortNumber)
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if err != nil {
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errChan <- fmt.Errorf("Discovery: Service scan port[%s] error %v ", port.PortNumber, err)
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return false
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}
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ms := matcher.GetUDPMatchers()
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mi := csm.NewMatchInfo(port.Host.Address, portNumber)
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for i := 0; i < len(ms); i++ {
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m := ms[i]
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p := csm.NewPacket(port.UDPLayer.LayerPayload(), len(port.UDPLayer.LayerPayload()))
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if err := m.Match(mi, 0, p); err == nil {
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s := &omd.Service{
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Key: m.Key(),
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Port: port,
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MetaCryptoType: omm.ToMetaCryptoType(omm.MetaCryptoTypeEnumNONE),
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DiscoveredDate: omu.NowPtr(),
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Metadata: m.Meta(),
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Name: m.Name(),
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}
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resultChan <- s
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return true
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}
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}
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return false
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}
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