mtth / layer2 Goto Github PK

Disclaimer: I do not use the package, this was found during automated npm packages downloading.

Your current package size is 20 MiB packed, 479 MiB unpacked. 475 MiB of that are inside the dat dir and that space is taken mostly by *.pcap files. I suspect that this probably got packed to the release by mistake.

If you don't want to pack that directory, add it to the .gitignore and/or .npmingore.

I executed the installation instructions from the README and opted for the "npm run install-all" option. Everything installed correctly but, when I execute

var layer2 = require('layer2');

layer2.createInterfaceSniffer('eth0')
.on('pdu', function (pdu) {
var frame = pdu.frame.Ethernet2;
var src = frame.srcAddr;
var dst = frame.dstAddr;
console.log(src + ' -> ' + dst + ' [' + pdu.size + ']');
});

I receive the following error:

/export/home/cam/node_projects/mjpeg/node_modules/layer2/lib/sniffers.js:143
var wrapper = new utils.Wrapper().fromInterface(
^
Error: socket: Operation not permitted
at Error (native)
at Object.createInterfaceSniffer (/export/home/cam/node_projects/mjpeg/node_modules/layer2/lib/sniffers.js:143:37)
at Object. (/export/home/cam/node_projects/mjpeg/server.js:4:8)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at Module.runMain (module.js:604:10)
at run (bootstrap_node.js:394:7)

I looked through the code briefly but, nothing stood out to me. Any ideas ?

DId everything according to the instructions, twice.

After installing, I get this error when attempting to require('layer2'):

  return process.dlopen(module, path._makeLong(filename));
                 ^

Error: libavrocpp.so.1.8.2.0: cannot open shared object file: No such file or di
    at Object.Module._extensions..node (module.js:681:18)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at /root/node_modules/layer2/lib/utils.js:26:10
    at Object.<anonymous> (/root/node_modules/layer2/lib/utils.js:27:3)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)

I'm running nodejs v8.11.3 on Debian 8.10.

In trying to install this package, I got the following error:

../src/cpp/pcap_wrapper.h:50:54: error: ‘Arguments’ in namespace ‘v8’ does not name a type
   static v8::Handle<v8::Value> to_savefile(const v8::Arguments& args);

Sorry I couldn't check out the cause of this myself.

Hello,

at first i might want to thank you for your work.

I was trying to live-capture some ethernet frames from the ethernet adapter attached to my MBP and log them, but i got nothing. Here is the code i've used:

var layer2 = require('layer2');

var capture = new layer2.capture.Live('en4');
var decoder = new layer2.Decoder({linkType: 'EN10MB'});

capture           // Stream of buffers (frames' raw bytes).
    .pipe(decoder)  // Stream of objects (decoded frames).
    .on('data', function (frame) { console.log(JSON.stringify(frame)); });

What did i do wrong?

Greets and thanks in advance,
Christian

how install it to the windows platform?
eg :win8.1 x64

I install it onubuntu14.04 is ok!

Hi,

i have another question.
For the project i'm working on, i need tcpdump-style packet filtering. Here is the tcpdump-call what does the job:

$ tcpdump -i en4 ether proto 0x22f0

I something like this possible with the layer2 module?

I saw there is some filter related code in src/js/capture.js. When i naive tried to pass the filter as an option in the capture.Live constructor like this:

var capture = new layer2.capture.Live('en4', {filter: 'ether proto 0x22f0'});

all i got was an error:

> Error: link-layer multicast filters supported only on ethernet/FDDI/token ring/ARCNET/802.11/ATM LANE/Fibre Channel

Greets and thanks in advance,
Christian