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mehr kram

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End 2020-08-21 20:40:37 +02:00
parent 70ec94fa76
commit 6a650ef1e8
6 changed files with 89 additions and 96 deletions
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60
httpflow.h
View file

@ -148,51 +148,47 @@ struct HistoryItem {
inline void to_json(json& j, const Flow& flow) {}
inline void from_json(const json& j, Flow& flow) {
std::cout << std::setw(4) << j << "\n\n";
if(!j.contains("flow")) {
//std::cout << std::setw(4) << j << "\n\n";
json j_flow;
if(!json_get(j, j_flow, "flow")) {
return;
}
auto j_flow = j.at("flow");
j_flow.at("id").get_to(flow.uid);
json_get(j_flow, flow.uid, "id");
if(json j_request; json_get(j_flow, j_request, "request")) {
json_get(j_request, flow.request.tls, "server_conn", "tls_established");
json_get(j_request, flow.request.port, "port");
json_get(j_request, flow.request.host, "host");
json_get(j_request, flow.request.scheme, "scheme");
json_get(j_request, flow.request.path, "path");
json_get(j_request, flow.request.content, "content");
json_get(j_request, flow.request.method, "method");
json_get(j_request, flow.request.http_version, "http_version");
json_get(j_request, flow.request.timestamp_start, "timestamp_start");
json_get(j_request, flow.request.timestamp_end, "timestamp_end");
if(j_flow.contains("server_conn")) {
j_flow.at("server_conn").at("tls_established").get_to(flow.request.tls);
}
// todo might crash with fabricated/missing json, add parser exception handling
if(j_flow.contains("request")) {
auto j_request = j_flow.at("request");
j_request.at("port").get_to(flow.request.port);
j_request.at("host").get_to(flow.request.host);
j_request.at("scheme").get_to(flow.request.scheme);
j_request.at("path").get_to(flow.request.path);
j_request.at("content").get_to(flow.request.content);
j_request.at("method").get_to(flow.request.method);
j_request.at("http_version").get_to(flow.request.http_version);
j_request.at("timestamp_start").get_to(flow.request.timestamp_start);
j_request.at("timestamp_end").get_to(flow.request.timestamp_end);
auto j_headers = j_request.at("headers");
json j_headers;
if(json_get(j_request, j_headers, "headers")) {
for(auto& [k,v] : j_headers.items()) {
flow.request.headers.push_back(std::make_tuple(v.at(0), v.at(1)));
}
}
if(j_flow.contains("response")) {
auto j_response = j_flow.at("response");
}
if(json j_response; json_get(j_flow, j_response, "response")) {
json_get(j_response, flow.response.status_code, "status_code");
json_get(j_response, flow.response.http_version, "http_version");
json_get(j_response, flow.response.reason, "reason");
json_get(j_response, flow.response.content, "content");
json_get(j_response, flow.response.timestamp_start, "timestamp_start");
json_get(j_response, flow.response.timestamp_end, "timestamp_end");
j_response.at("status_code").get_to(flow.response.status_code);
j_response.at("http_version").get_to(flow.response.http_version);
j_response.at("reason").get_to(flow.response.reason);
j_response.at("content").get_to(flow.response.content);
j_response.at("timestamp_start").get_to(flow.response.timestamp_start);
j_response.at("timestamp_end").get_to(flow.response.timestamp_end);
auto j_headers = j_response.at("headers");
json j_headers;
if(json_get(j_response, j_headers, "headers")) {
for(auto& [k,v] : j_headers.items()) {
flow.response.headers.push_back(std::make_tuple(v.at(0), v.at(1)));
}
}
}
}
}

20
includes.h
View file

@ -11,3 +11,23 @@ using json = nlohmann::json;
//major minor patch
#define LITTLESNITCH_VERSION 010
template<typename T, typename K>
bool json_get(json j, T& value, K key) noexcept {
try {
j[key].get_to(value);
return true;
} catch (nlohmann::detail::type_error& err) {
qDebug() << err.what();
} catch (nlohmann::detail::out_of_range& err) {
qDebug() << err.what();
} catch (nlohmann::detail::other_error& err) {
qDebug() << err.what();
}
return false;
}
template<typename T, typename K, typename... Ks>
bool json_get(json j, T& value, K key, Ks... keys) noexcept {
return json_get(j[key], value, keys...);
}

4
mitmaddon/littlesnitch.py
View file

@ -60,14 +60,16 @@ class NetworkThread(threading.Thread):
def send_msg_and_ack(self, msg):
while True:
print("m sending")
a = convert_to_strings(msg)
self.socket.send(str.encode(json.dumps(a)))
if (self.socket.poll(5) & zmq.POLLIN) != 0:
if (self.socket.poll(50) & zmq.POLLIN) != 0:
msg = self.socket.recv()
try:
if msg:
result = json.loads(msg)
if result["msg"] == "ack":
print("m ack received")
return result
else:
print("got unexpected message {result}")

40
networkthread.cpp
View file

@ -37,35 +37,33 @@ void NetworkThread::process() {
while(true) {
zmq::message_t response;
const auto ret = socket->recv(response, zmq::recv_flags::dontwait);
if(ret) {
auto j = json::parse(response.to_string());
if(!ret) {
continue;
}
json j;
try {
j = json::parse(response.to_string());
} catch (nlohmann::detail::parse_error& err) {
qDebug() << err.what();
qDebug() << "malformed json received " << response.to_string().c_str();
}
//std::cout << std::setw(4) << j << "\n\n";
if(j.contains("msg") && j["msg"].is_string()) {
std::string msg_type;
try {
j["msg"].get_to(msg_type);
} catch (nlohmann::detail::type_error& err) {
qDebug() << "json type error, message type not a string: " << response.to_string().c_str();
emit error("no message type");
}
if(msg_type == "request") {
} else if (msg_type == "response") {
try {
if(!json_get(j, msg_type, "msg")) {
qDebug() << "broken message received " << response.to_string().c_str();
} else if(msg_type == "response") {
qDebug() << "received " << msg_type.c_str();
emit httpMessage(j);
} catch (nlohmann::detail::type_error& err) {
qDebug() << "error reading HTTP Flow";
emit error("error converting to flow");
}
} else if(msg_type == "request") {
qDebug() << "received " << msg_type.c_str();
} else if(msg_type == "ping") {
qDebug() << "received " << msg_type.c_str();
} else {
qDebug() << "unknown or broken message type received: " << msg_type.c_str();
emit error("unknown message");
}
qDebug() << "sending ack";
std::string m = "{\"msg\": \"ack\"}";
socket->send(zmq::buffer(m.c_str(), m.length()), zmq::send_flags::dontwait);
} else {
qDebug() << "broken message, but correct json: " << response.to_string().c_str();
}
}
}
}

2
networkthread.h
View file

@ -3,6 +3,7 @@
#include <QObject>
#include <includes.h>
#include <httpflow.h>
#include <set>
class NetworkThread : public QObject
{
@ -10,6 +11,7 @@ class NetworkThread : public QObject
private:
zmq::context_t context;
zmq::socket_t *socket;
std::set<std::string> accepted_flows;
void connect();
void disconnect();
void reconnect();

35
test.sh
View file

@ -1,38 +1,13 @@
#!/bin/sh
mitmdump -k -p 8080 -s mitmaddon/littlesnitch.py &
mitmdump -k -p 8888 -s mitmaddon/littlesnitch.py &
./build/littlesnitch &
sleep 1
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
curl -x http://localhost:8080 -k https://get.yolo.jetzt
echo "sending requests"
curl -x http://localhost:8888 -k https://blog.fefe.de
curl -x http://localhost:8888 -k https://blog.fefe.de
curl -x http://localhost:8888 -k https://blog.fefe.de
killall mitmdump
sleep 1