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This commit is contained in:
crusader 2018-09-12 16:45:05 +09:00
parent 6653ea4a87
commit 4f409f59f3
1 changed files with 38 additions and 38 deletions
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66
internal/pcap/pcap_scan.go
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@ -2,7 +2,6 @@ package pcap
import (
"fmt"
"sort"
"sync"
omd "git.loafle.net/overflow/model/discovery"
@ -123,13 +122,12 @@ func (ps *pCapScan) CloseARP(ch chan *layers.ARP) {
ps.arpListenerChanMtx.Lock()
defer ps.arpListenerChanMtx.Unlock()
i := sort.Search(len(ps.arpListenerChans), func(i int) bool {
return ch == ps.arpListenerChans[i]
})
if -1 != i {
for indexI := 0; indexI < len(ps.arpListenerChans); indexI++ {
if ch == ps.arpListenerChans[indexI] {
close(ch)
ps.arpListenerChans = append(ps.arpListenerChans[:i], ps.arpListenerChans[i+1:]...)
ps.arpListenerChans = append(ps.arpListenerChans[:indexI], ps.arpListenerChans[indexI+1:]...)
break
}
}
}
@ -145,13 +143,12 @@ func (ps *pCapScan) CloseICMP4(ch chan gopacket.Packet) {
ps.icmp4ListenerChanMtx.Lock()
defer ps.icmp4ListenerChanMtx.Unlock()
i := sort.Search(len(ps.icmp4ListenerChans), func(i int) bool {
return ch == ps.icmp4ListenerChans[i]
})
if -1 != i {
for indexI := 0; indexI < len(ps.icmp4ListenerChans); indexI++ {
if ch == ps.icmp4ListenerChans[indexI] {
close(ch)
ps.icmp4ListenerChans = append(ps.icmp4ListenerChans[:i], ps.icmp4ListenerChans[i+1:]...)
ps.icmp4ListenerChans = append(ps.icmp4ListenerChans[:indexI], ps.icmp4ListenerChans[indexI+1:]...)
break
}
}
}
@ -167,13 +164,12 @@ func (ps *pCapScan) CloseICMP6(ch chan gopacket.Packet) {
ps.icmp6ListenerChanMtx.Lock()
defer ps.icmp6ListenerChanMtx.Unlock()
i := sort.Search(len(ps.icmp6ListenerChans), func(i int) bool {
return ch == ps.icmp6ListenerChans[i]
})
if -1 != i {
for indexI := 0; indexI < len(ps.icmp6ListenerChans); indexI++ {
if ch == ps.icmp6ListenerChans[indexI] {
close(ch)
ps.icmp6ListenerChans = append(ps.icmp6ListenerChans[:i], ps.icmp6ListenerChans[i+1:]...)
ps.icmp6ListenerChans = append(ps.icmp6ListenerChans[:indexI], ps.icmp6ListenerChans[indexI+1:]...)
break
}
}
}
@ -198,14 +194,16 @@ func (ps *pCapScan) CloseTCP(ip string, ch chan *layers.TCP) {
return
}
chs := ps.tcpListenerChans[ip]
i := sort.Search(len(chs), func(i int) bool {
return ch == chs[i]
})
if -1 != i && len(chs) > i {
chs, ok := ps.tcpListenerChans[ip]
if !ok {
return
}
for indexI := 0; indexI < len(chs); indexI++ {
if ch == chs[indexI] {
close(ch)
ps.tcpListenerChans[ip] = append(ps.tcpListenerChans[ip][:i], ps.tcpListenerChans[ip][i+1:]...)
ps.tcpListenerChans[ip] = append(ps.tcpListenerChans[ip][:indexI], ps.tcpListenerChans[ip][indexI+1:]...)
break
}
}
}
@ -231,14 +229,16 @@ func (ps *pCapScan) CloseUDP(ip string, ch chan gopacket.Packet) {
return
}
chs := ps.udpListenerChans[ip]
i := sort.Search(len(chs), func(i int) bool {
return ch == chs[i]
})
if -1 != i {
chs, ok := ps.udpListenerChans[ip]
if !ok {
return
}
for indexI := 0; indexI < len(chs); indexI++ {
if ch == chs[indexI] {
close(ch)
ps.udpListenerChans[ip] = append(ps.udpListenerChans[ip][:i], ps.udpListenerChans[ip][i+1:]...)
ps.udpListenerChans[ip] = append(ps.udpListenerChans[ip][:indexI], ps.udpListenerChans[ip][indexI+1:]...)
break
}
}
}