frida-remote-stream
Create an outbound stream over a message transport.
Example
In your agent.js:
const fs = require('frida-fs');
const RemoteStreamController = require('frida-remote-stream');
const controller = new RemoteStreamController();
controller.events.on('send', packet => {
send({
name: '+stream',
payload: packet.stanza
}, packet.data);
});
function onStreamMessage(message, data) {
controller.receive({ stanza: message.payload, data });
recv('+stream', onStreamMessage);
}
recv('+stream', onStreamMessage);
fs.createReadStream('/very/large/file').pipe(controller.open('filedump', { meta: 'data' }));
In your application:
const fs = require('fs');
const RemoteStreamController = require('frida-remote-stream');
const controller = new RemoteStreamController();
controller.events.on('send', packet => {
script.post({
type: '+stream',
payload: packet.stanza
}, packet.data);
});
script.message.connect((message, data) => {
if (message.type === 'send') {
const stanza = message.payload;
switch (stanza.name) {
case '+stream':
controller.receive({ stanza: stanza.payload, data });
break;
}
}
});
controller.events.on('stream', stream => {
// stream.details.meta === 'data'
stream.pipe(fs.createWriteStream('/tmp/interesting-file'));
});