milliways-infosec/AikidoSec-safe-chain
7
0
Fork 0
mirror of https://github.com/AikidoSec/safe-chain.git synced 2026-05-26 12:10:49 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Subscribe to more error events to prevent the process from crashing

Browse source
This commit is contained in:
Sander Declerck 2025-10-31 09:39:16 +01:00
parent c284ad7ba9
commit 65c9ca62de
No known key found for this signature in database
3 changed files with 44 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

24
packages/safe-chain/src/registryProxy/tunnelRequestHandler.js
View file

@ -24,12 +24,6 @@ export function tunnelRequest(req, clientSocket, head) {
function tunnelRequestToDestination(req, clientSocket, head) {
const { port, hostname } = new URL(`http://${req.url}`);
clientSocket.on("error", () => {
// NO-OP
// This can happen if the client TCP socket sends RST instead of FIN.
// Not subscribing to 'close' event will cause node to throw and crash.
});
const serverSocket = net.connect(port || 443, hostname, () => {
clientSocket.write("HTTP/1.1 200 Connection Established\r\n\r\n");
serverSocket.write(head);
@ -37,6 +31,14 @@ function tunnelRequestToDestination(req, clientSocket, head) {
clientSocket.pipe(serverSocket);
});
clientSocket.on("error", () => {
// This can happen if the client TCP socket sends RST instead of FIN.
// Not subscribing to 'close' event will cause node to throw and crash.
if (serverSocket.writable) {
serverSocket.end();
}
});
serverSocket.on("error", (err) => {
ui.writeError(
`Safe-chain: error connecting to ${hostname}:${port} - ${err.message}`
@ -100,9 +102,13 @@ function tunnelRequestViaProxy(req, clientSocket, head, proxyUrl) {
proxy.port || 8080
} - ${err.message}`
);
if (clientSocket.writable) {
clientSocket.end("HTTP/1.1 502 Bad Gateway\r\n\r\n");
}
} else {
ui.writeError(
`Safe-chain: proxy socket error after connection - ${err.message}`
);
}
if (clientSocket.writable) {
clientSocket.end("HTTP/1.1 502 Bad Gateway\r\n\r\n");
}
});