golang 基于nmap 的内网扫描主机功能
用于扫描内网网段内所有主机信息,
用到了 nmap , redis, json,
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | // 1分钟到2分钟左右 package main import ( "encoding/json" "fmt" "strings" "sync" "time" "github.com/Ullaakut/nmap" "github.com/gomodule/redigo/redis" ) var ( ListHostIP []string wg sync.WaitGroup rwlock sync.RWMutex ) type Port struct { Id uint16 `json: "id" ` Name string `json: "name" ` State string `json: "state" ` } type HostInfo struct { Ip string `json: "ip" ` OsName string `json: "os_name" ` Ports []*Port `json: "ports" ` } // 初始化连接池 func initPool(server, pass string, database int) *redis.Pool { return &redis.Pool{ // 设置最大空闲 MaxIdle: 64, // 设置最大活跃数 0代表无限 MaxActive:0, // 闲置空闲时间,单位秒 IdleTimeout:3600, Dial: func () (redis.Conn, error) { conn, err := redis.Dial( "tcp" , server, redis.DialReadTimeout(time.Second*10), redis.DialConnectTimeout(time.Second*30), redis.DialPassword(pass), redis.DialDatabase(database), ) if err != nil { fmt.Println( "ERROR: fail init redis pool:" , err.Error()) return nil, fmt.Errorf( "ERROR: fail init redis pool: %s" , err.Error()) } return conn, err }, } } func main() { start := time.Now() // redis创建连接池 ip, pass ,db pool := initPool( "192.168.1.5:6379" , "" ,11) // 池子的关闭 defer pool.Close() // 从池子取连接 conn:=pool.Get() // 当前一个连接的关闭,用完即放回去池子并不是真的关闭 defer conn.Close() go func () { // 清理在线列表 rep ,err := redis.Values(conn.Do( "lrange" , "iplist" ,0,-1)) for _, v := range rep { _,err = conn.Do( "del" ,v.([]byte)) } _,err = conn.Do( "del" , "iplist" ) if err != nil{ fmt.Println( "del err " ,err) } }() // nmap -O 192.168.0.0/24 scanner, err := nmap.NewScanner( nmap.WithTargets( "192.168.1.0/24" ), nmap.WithPingScan(), ) if err != nil { fmt.Println( "unable to create nmap scanner: %v" , err) } result, _, err := scanner.Run() if err != nil { fmt.Println( "run nmap scan failed: %v" , err) } for _, host := range result.Hosts { // 查询出所有在线 IP ip := fmt.Sprintf( "%s" , host.Addresses[0]) // 返回给数组 ListHostIP=append(ListHostIP,ip) } for _,ip := range ListHostIP{ // 遍历每个ip 开启多个 goroutine go func (ip string) { defer wg.Done() data := HostsInfo(ip) rwlock.RLock() if data != "" { fmt.Println(ip) _, err = conn.Do( "set" , ip, data) _, err = conn.Do( "rpush" , "iplist" , ip) if err != nil{ fmt.Println( "set err " ,err) } } rwlock.RUnlock() }(ip) wg.Add(1) } // 等待所有完成 wg.Wait() fmt.Println( time.Now().Sub(start)) } // 扫描具体信息 func HostsInfo(ips string) (data string) { scanner, err := nmap.NewScanner( nmap.WithTargets(ips), // 开启快速查询 -F //nmap.WithFastMode(), // 标准查询 -O nmap.WithOSDetection(), ) if err != nil { fmt.Println( "unable to create nmap scanner: %v" , err) } result, _, err := scanner.Run() if err != nil { fmt.Println( "run nmap scan failed: %v" , err) } // 初始化结构体 hosts := new(HostInfo) for _, host := range result.Hosts { // 过滤 主机 条件 for _, match := range host.OS.Matches { os_name := match.Name if strings.Contains(os_name, "Linux" ) && !strings.Contains(os_name, "Android" ){ rwlock.Lock() hosts.OsName = match.Name hosts.Ip = ips rwlock.Unlock() // 查主机 端口 和服务 信息 for _, port := range host.Ports { if port.Service.Name != "" { rwlock.Lock() hosts.Ports = append(hosts.Ports, &Port{ Id: port.ID, State: port.State.State, Name: port.Service.Name, }) rwlock.Unlock() } } } } } if hosts.Ports != nil{ json_data, _ := json.Marshal(hosts) return string(json_data) } return "" } |
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