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更新了 windows 下的 send arp 更新了 并发检测 更新了 多网卡检测
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| https://blog.cyeam.com/network/2015/03/16/fing | ||
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| 探测局域网里面的设备 | ||
| 16 March 2015 | ||
| IMG-THUMBNAIL | ||
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| 用Golang实现Fing的功能。 | ||
| 之前用了一个牛逼的App，叫做Fing，它可以获取到本地局域网里面所有设备的IP、MAC地址和设备厂商。一直觉得很牛逼，今天好好想了想，发现也没那么多神秘。 | ||
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| 穷举局域网里的IP | ||
| 局域网IP一般有192和10两种形式。一般来说，10开始的局域网高端一些，能容纳的设备比较多。 | ||
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| 穷举所有IP，有一个方式是通过trancert命令，记录访问某个网站经过的路径，那么第一条路径就是访问路由器，得到路由器IP之后，按最后一部分进行穷举。 | ||
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| 但是这个方法有点麻烦，简化一点的，就是获取当前设备在局域网里面的IP，以此IP进行穷举。通过Golang获取IP的方法可以参考[1]。获取当前设备IP的方式可以参考： |
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| package main | ||
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| import ( | ||
| "fmt" | ||
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| "github.com/mostlygeek/arp" | ||
| ) | ||
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| func main() { | ||
| for ip, _ := range arp.Table() { | ||
| fmt.Printf("%s : %s\n", ip, arp.Search(ip)) | ||
| } | ||
| } |
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| @@ -0,0 +1,15 @@ | ||
| // +build !windows | ||
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| package fing | ||
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| import ( | ||
| "net" | ||
| "time" | ||
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| "github.com/j-keck/arping" | ||
| ) | ||
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| func Mac(ip string) (net.HardwareAddr, time.Duration, error) { | ||
| dstIP := net.ParseIP(ip) | ||
| return arping.Ping(dstIP) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,61 @@ | ||
| // +build windows | ||
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| package fing | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| "net" | ||
| "syscall" | ||
| "time" | ||
| "unsafe" | ||
| ) | ||
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| var SendARP = syscall.MustLoadDLL("iphlpapi.dll").MustFindProc("SendARP") | ||
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| func ip4ToUint32(ip net.IP) (uint32, error) { | ||
| ip = ip.To4() | ||
| if ip == nil { | ||
| return 0, fmt.Errorf("ip address %v is not ip4", ip) | ||
| } | ||
| var ret uint32 | ||
| for i := 4; i > 0; i-- { | ||
| ret <<= 8 | ||
| ret += uint32(ip[i-1]) | ||
| } | ||
| return ret, nil | ||
| } | ||
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| func Mac(ip string) (net.HardwareAddr, time.Duration, error) { | ||
| dstIP := net.ParseIP(ip) | ||
| haddr, err := sendARP(dstIP) | ||
| return haddr, time.Duration(0), err | ||
| } | ||
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| func sendARP(ip net.IP) (net.HardwareAddr, error) { | ||
| dst, err := ip4ToUint32(ip) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| mac := []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff} | ||
| n := uint32(len(mac)) | ||
| ret, _, _ := SendARP.Call( | ||
| uintptr(dst), | ||
| 0, | ||
| uintptr(unsafe.Pointer(&mac[0])), | ||
| uintptr(unsafe.Pointer(&n))) | ||
| if ret != 0 { | ||
| return nil, syscall.Errno(ret) | ||
| } | ||
| return mac, nil | ||
| } | ||
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| // ExampleARP - | ||
| func ExampleARP() { | ||
| ip := "192.168.0.250" | ||
| mac, _, err := Mac(ip) | ||
| if err != nil { | ||
| log.Fatalf("could not find MAC for %q: %v", ip, err) | ||
| } | ||
| fmt.Printf("MAC address for %v is %v\n", ip, mac) | ||
| } |
Submodule go-ouitools
added at
ac8139
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| @@ -0,0 +1,9 @@ | ||
| module github.com/abserari/quicksilver/fing | ||
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| go 1.15 | ||
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| require ( | ||
| github.com/dutchcoders/go-ouitools v0.0.0-20150909074929-ac8139d3326a | ||
| github.com/j-keck/arping v1.0.1 | ||
| github.com/mostlygeek/arp v0.0.0-20170424181311-541a2129847a | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,6 @@ | ||
| github.com/dutchcoders/go-ouitools v0.0.0-20150909074929-ac8139d3326a h1:k0tlcLlo0xiIQ+PsvXHcMw5lmrWJ2dgtplMk5SnvAuw= | ||
| github.com/dutchcoders/go-ouitools v0.0.0-20150909074929-ac8139d3326a/go.mod h1:iw2+sjeXZHqxa3T+ufyw4bBRZyfp5B4prg1YPMHV4V0= | ||
| github.com/j-keck/arping v1.0.1 h1:XrO9juQieAQHE7DlwT7zFLUK2u3Oi/4Uz2B3ZTxvhxg= | ||
| github.com/j-keck/arping v1.0.1/go.mod h1:aJbELhR92bSk7tp79AWM/ftfc90EfEi2bQJrbBFOsPw= | ||
| github.com/mostlygeek/arp v0.0.0-20170424181311-541a2129847a h1:AfneHvfmYgUIcgdUrrDFklLdEzQAvG9AKRTe1x1mx/0= | ||
| github.com/mostlygeek/arp v0.0.0-20170424181311-541a2129847a/go.mod h1:jZxafo9CAqaKFQE4zitrg5QNlA6CXUsjwXPlIppF3tk= |
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