41 lines
729 B
Go
41 lines
729 B
Go
package capture
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import (
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"fmt"
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"net"
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"strings"
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)
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func getLocalIPAddr() (ipAddr string, err error) {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return
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}
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for _, addr := range addrs {
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addrStr := addr.String()
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if strings.Contains(addrStr, "127.0.0.1") ||
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strings.Contains(addrStr, "::1") ||
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strings.Contains(addrStr, "/64") {
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continue
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}
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addrStr = strings.TrimRight(addrStr, "1234567890")
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addrStr = strings.TrimRight(addrStr, "/")
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if len(addrStr) < 1 {
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continue
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}
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ipAddr = addrStr
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return
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}
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err = fmt.Errorf("no valid ip address found")
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return
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}
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func spliceSessionKey(srcIP string, srcPort int) (sessionKey string) {
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sessionKey = fmt.Sprintf("%s:%d", srcIP, srcPort)
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return
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}
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