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fix dns

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zefie
2025-06-14 18:56:15 -04:00
parent 91708da915
commit 9d18df4af1
1 changed files with 42 additions and 30 deletions
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72
zefie_wtvp_minisrv/includes/classes/WTVIRC.js
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@@ -160,8 +160,13 @@ class WTVIRC {
secureSocket.registered = false;
secureSocket.nickname = '';
secureSocket.username = '';
secureSocket.realhost = this.getHostname(secureSocket);
secureSocket.host = this.getHostname(secureSocket);
secureSocket.realhost = socket.remoteAddress
secureSocket.host = this.filterHostname(secureSocket, socket.remoteAddress);
this.getHostname(secureSocket, (hostname) => {
secureSocket.realhost = hostname;
secureSocket.host = this.filterHostname(secureSocket, hostname);
});
secureSocket.timestamp = Date.now();
secureSocket.secure = true;
secureSocket.uniqueId = parseInt(crc16('CCITT-FALSE', Buffer.from(String(secureSocket.remoteAddress) + String(secureSocket.remotePort), "utf8")).toString(16), 16);
@@ -198,8 +203,12 @@ class WTVIRC {
socket.registered = false;
socket.nickname = '';
socket.username = '';
socket.realhost = this.getHostname(socket);
socket.host = this.getHostname(socket);
socket.realhost = socket.remoteAddress;
socket.host = this.filterHostname(socket, socket.remoteAddress);
this.getHostname(socket, (hostname) => {
socket.realhost = hostname;
socket.host = this.filterHostname(socket, hostname);
});
socket.timestamp = Date.now();
socket.secure = false;
socket.uniqueId = parseInt(crc16('CCITT-FALSE', Buffer.from(String(socket.remoteAddress) + String(socket.remotePort), "utf8")).toString(16), 16);
@@ -434,12 +443,12 @@ class WTVIRC {
}
} else if (mode.startsWith('+x')) {
this.usermodes.set(socket.nickname, [...usermodes, 'x']);
socket.host = this.getHostname(socket);
socket.host = this.filterHostname(socket, socket.realhost);
socket.write(`:${socket.nickname}!${socket.username}@${socket.host} MODE ${socket.nickname} +x\r\n`);
socket.write(`:${this.servername} 396 ${socket.nickname} ${socket.host} :is now your displayed host\r\n`);
} else if (mode.startsWith('-x')) {
this.usermodes.set(socket.nickname, (usermodes).filter(m => m !== 'x'));
socket.host = this.getHostname(socket);
socket.host = socket.realhost
socket.write(`:${socket.nickname}!${socket.username}@${socket.host} MODE ${socket.nickname} -x\r\n`);
socket.write(`:${this.servername} 396 ${socket.nickname} ${socket.host} :is now your displayed host\r\n`);
} else if (mode.startsWith('+w')) {
@@ -1073,7 +1082,7 @@ class WTVIRC {
const whoisSocket = Array.from(this.nicknames.keys()).find(s => this.nicknames.get(s) === whoisNick);
if (whoisSocket) {
const whois_username = this.usernames.get(whoisNick);
socket.write(`:${this.servername} 311 ${socket.nickname} ${whoisNick} ${whois_username} ${this.getHostname(whoisSocket)} * ${whoisNick}\r\n`);
socket.write(`:${this.servername} 311 ${socket.nickname} ${whoisNick} ${whois_username} ${this.filterHostname(whoisSocket, whoisSocket.realhost)} * ${whoisNick}\r\n`);
if (this.awaymsgs.has(whoisNick)) {
socket.write(`:${this.servername} 301 ${socket.nickname} ${whoisNick} :${this.awaymsgs.get(whoisNick)}\r\n`);
}
@@ -1410,32 +1419,32 @@ class WTVIRC {
return matches;
}
getHostname(socket) {
getHostname(socket, callback) {
if (socket && socket.remoteAddress) {
try {
dns.reverse(socket.remoteAddress, (err, hostnames) => {
if (!err && hostnames && hostnames.length > 0) {
callback(hostnames[0]);
} else if (this.debug) {
console.error(`DNS reverse lookup failed for ${socket.remoteAddress}:`, err);
callback(socket.remoteAddress);
}
});
} catch (e) {
if (this.debug) {
console.error(`Error resolving hostname for ${socket.remoteAddress}:`, e);
}
callback(socket.remoteAddress);
}
}
}
filterHostname(socket, hostname) {
const username = this.nicknames.get(socket);
var modes = null;
if (username) {
modes = this.usermodes.get(username);
}
var hostname = 'unknown.host';
if (socket && socket.remoteAddress) {
try {
let resolved = socket.remoteAddress;
dns.reverse(socket.remoteAddress, (err, hostnames) => {
if (!err && hostnames && hostnames.length > 0) {
resolved = hostnames[0];
} else if (this.debug) {
console.error(`DNS reverse lookup failed for ${socket.remoteAddress}:`, err);
}
});
hostname = resolved;
} catch (e) {
if (this.debug) {
console.error(`Error resolving hostname for ${socket.remoteAddress}:`, e);
}
hostname = socket.remoteAddress;
}
}
if (modes) {
if (Array.isArray(modes) && modes.includes('x')) {
// Masked hostname for +x users
@@ -1973,8 +1982,11 @@ class WTVIRC {
this.usermodes.set(nickname, usermodes);
}
socket.write(`:${this.servername} 221 ${nickname} :+${this.usermodes.get(nickname).join('')}\r\n`);
socket.host = this.getHostname(socket);
socket.write(`:${this.servername} 396 ${nickname} ${socket.host} :is now your displayed host\r\n`);
this.getHostname(socket, (hostname) => {
socket.host = this.filterHostname(socket, hostname);
socket.realhost = hostname;
socket.write(`:${this.servername} 396 ${nickname} ${socket.host} :is now your displayed host\r\n`);
});
}
}