Ping scan doesn't return mac address

[0xN0x]

Hello,

When i execute the function nmap.nmap_ping_scan('192.168.1.0/24'), all hosts (50) have a "None" value as their mac address.
If i run the command /usr/bin/nmap -oX - -sP 192.168.1.0/24, i get the same results, no mac address.
But if i run this same command in sudo, i get the mac address.

Is there a parameter to run this command in sudo ?

Thanks you

[nmmapper]

Try running as root!

[0xN0x]

Even with running my script as root, i don't get them.

It's strange because the nmap process run as root, but the results of the function don't have the mac address even with this.

[nmmapper]

Unfortunately it seems not all hosts return mac addresses

[0xN0x]

All the hosts return a mac address if i run the nmap command myself, but they are not returned by the nmap_ping_scan function

[f-froehlich]

I had the same (and a couple more) issues, In fact the xml parsing from the cli is not conform to the nmap DTD. You might want to use https://github.com/f-froehlich/nmap-scan. Note that you don't need root privileges to get the mac address and also you should never run a python script as root, if it's not really needed (which is not the case here)

[nmmapper]

Try to use the latest changes from this repo not pip. There was a pull request #42 that fixed the mac addresses issue.

[nmmapper]

It so happens that you can't get mac address when you are not root. Also with Nmap you can't get the mac address of a remote machine https://stackoverflow.com/questions/13212187/is-it-possible-to-get-the-mac-address-for-machine-using-nmap.

If you run ping scan sudo nmap -sP 192.168.178.0/24 you should get mac addresses returned on your local network only.

Here is a sample(without root)

nmmapper@nmmapper:~$ nmap -sP 192.168.178.0/24
Starting Nmap 7.80 ( https://nmap.org ) at 2021-01-19 10:06 EAT
Nmap scan report for Lede.lan (192.168.178.1)
Host is up (0.0010s latency).
Nmap scan report for nmmapper.lan (192.168.178.95)
Host is up (0.00072s latency).
Nmap done: 256 IP addresses (2 hosts up) scanned in 2.51 seconds
nmmapper@nmmapper:~$

Another sample(With root)

nmmapper@nmmapper:~$ sudo nmap -sP 192.168.178.0/24
[sudo] password for nmmapper: 
Starting Nmap 7.80 ( https://nmap.org ) at 2021-01-19 10:07 EAT
Nmap scan report for Lede.lan (192.168.178.1)
Host is up (0.0021s latency).
MAC Address: 00:7E:22:00:21:1C (Unknown)
Nmap scan report for 192.168.178.17
Host is up (0.0033s latency).
MAC Address: 38:63:BB:92:6C:AD (Hewlett Packard)
Nmap scan report for nmmapper.lan (192.168.178.95)
Host is up.
Nmap done: 256 IP addresses (3 hosts up) scanned in 2.04 seconds
nmmapper@nmmapper:~$ 

The same applies to this script when you run ping_scan with root it will return mac addresses

{
    "192.168.178.1": {
        "hostname": [
            {
                "name": "Lede.lan",
                "type": "PTR"
            }
        ],
        "macaddress": {
            "addr": "00:7E:22:00:21:1C",
            "addrtype": "mac"
        },
        "osmatch": {},
        "ports": [],
        "state": {
            "reason": "arp-response",
            "reason_ttl": "0",
            "state": "up"
        }
    },
    "192.168.178.17": {
        "hostname": [],
        "macaddress": {
            "addr": "38:63:BB:92:6C:AD",
            "addrtype": "mac",
            "vendor": "Hewlett Packard"
        },
        "osmatch": {},
        "ports": [],
        "state": {
            "reason": "arp-response",
            "reason_ttl": "0",
            "state": "up"
        }
    },
    "192.168.178.95": {
        "hostname": [
            {
                "name": "nmmapper.lan",
                "type": "PTR"
            }
        ],
        "macaddress": null,
        "osmatch": {},
        "ports": [],
        "state": {
            "reason": "localhost-response",
            "reason_ttl": "0",
            "state": "up"
        }
    },
    "runtime": {
        "elapsed": "2.02",
        "exit": "success",
        "summary": "Nmap done at Tue Jan 19 10:00:50 2021; 256 IP addresses (3 hosts up) scanned in 2.02 seconds",
        "time": "1611039650",
        "timestr": "Tue Jan 19 10:00:50 2021"
    },
    "stats": {
        "args": "/usr/bin/nmap -oX - -sP 192.168.178.0/24",
        "scanner": "nmap",
        "start": "1611039648",
        "startstr": "Tue Jan 19 10:00:48 2021",
        "version": "7.80",
        "xmloutputversion": "1.04"
    }
}

Without root privileges you won't get mac addresses

I Hope this helps I will close this issue in a few days!
nmmapper@nmmapper:~/Templates/dev/GitHub/python3-nmap/nmap3$ python3 nmap3.py  -d 192.168.178.0/24
{
    "192.168.178.1": {
        "hostname": [
            {
                "name": "Lede.lan",
                "type": "PTR"
            }
        ],
        "macaddress": null,
        "osmatch": {},
        "ports": [],
        "state": {
            "reason": "syn-ack",
            "reason_ttl": "0",
            "state": "up"
        }
    },
    "192.168.178.95": {
        "hostname": [
            {
                "name": "nmmapper.lan",
                "type": "PTR"
            }
        ],
        "macaddress": null,
        "osmatch": {},
        "ports": [],
        "state": {
            "reason": "conn-refused",
            "reason_ttl": "0",
            "state": "up"
        }
    },
    "runtime": {
        "elapsed": "3.01",
        "exit": "success",
        "summary": "Nmap done at Tue Jan 19 09:55:09 2021; 256 IP addresses (2 hosts up) scanned in 3.01 seconds",
        "time": "1611039309",
        "timestr": "Tue Jan 19 09:55:09 2021"
    },
    "stats": {
        "args": "/usr/bin/nmap -oX - -sP 192.168.178.0/24",
        "scanner": "nmap",
        "start": "1611039306",
        "startstr": "Tue Jan 19 09:55:06 2021",
        "version": "7.80",
        "xmloutputversion": "1.04"
    }
}