DorianNiemiecSVRJS/svrjs
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Enable use of PBKDF2-hashed passwords

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Dorian Niemiec 2023-08-15 19:05:44 +02:00
parent f8cc7e45cd
commit d93511e97b
3 changed files with 124 additions and 46 deletions
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2
config.json
View file

@ -3,7 +3,7 @@
"port": 80,
"pubport": 80,
"page404": "404.html",
"timestamp": 1692101055417,
"timestamp": 1692113030263,
"blacklist": [],
"nonStandardCodes": [],
"enableCompression": true,

92
svr.js
View file

@ -312,6 +312,10 @@ function generateETag(filePath, stat) {
// Brute force-related
var bruteForceDb = {};
// PBKDF2 cache
var pbkdf2Cache = [];
var pbkdf2CacheIntervalId = -1;
// SVR.JS worker spawn-related
var SVRJSInitialized = false;
var exiting = false;
@ -4453,7 +4457,32 @@ if (!cluster.isPrimary) {
checkIfPasswordMatches(list, password, callback, _i+1);
}
}
cb(sha256(password + list[_i].salt));
var hashedPassword = sha256(password + list[_i].salt);
if(list[_i].pbkdf2) {
if(crypto.__disabled__ !== undefined) {
callServerError(500, undefined, new Error("SVR.JS doesn't support PBKDF2-hashed passwords on Node.JS versions without crypto support."));
return;
} else {
var cacheEntry = pbkdf2Cache.find(function(entry) {
return (entry.password == hashedPassword && entry.salt == list[_i].salt)
});
if(cacheEntry) {
cb(cacheEntry.hash);
} else {
crypto.pbkdf2(password, list[_i].salt, 36250, 64, "sha512", function(err, derivedKey) {
if(err) {
callServerError(500, undefined, err);
} else {
var key = derivedKey.toString("hex");
pbkdf2Cache.push({hash: key, password: hashedPassword, salt: list[_i].salt, addDate: new Date()});
cb(key);
}
});
}
}
} else {
cb(hashedPassword);
}
}
function authorizedCallback(bruteProtection) {
@ -4487,34 +4516,34 @@ if (!cluster.isPrimary) {
usernameMatch.push({name: username, pass: "FAKEPASS", salt: "FAKESALT"}); //Fake credentials
}
checkIfPasswordMatches(usernameMatch, password, function(authorized) {
if (!authorized) {
if (bruteProtection) {
if (process.send) {
process.send("\x12AUTHW" + reqip);
} else {
if (!bruteForceDb[reqip]) bruteForceDb[reqip] = {
invalidAttempts: 0
};
bruteForceDb[reqip].invalidAttempts++;
if (bruteForceDb[reqip].invalidAttempts >= 10) {
bruteForceDb[reqip].lastAttemptDate = new Date();
if (!authorized) {
if (bruteProtection) {
if (process.send) {
process.send("\x12AUTHW" + reqip);
} else {
if (!bruteForceDb[reqip]) bruteForceDb[reqip] = {
invalidAttempts: 0
};
bruteForceDb[reqip].invalidAttempts++;
if (bruteForceDb[reqip].invalidAttempts >= 10) {
bruteForceDb[reqip].lastAttemptDate = new Date();
}
}
}
}
callServerError(401, undefined, undefined, ha);
serverconsole.errmessage("User " + username + " failed to log in.");
} else {
if (bruteProtection) {
if (process.send) {
process.send("\x12AUTHR" + reqip);
} else {
if (bruteForceDb[reqip]) bruteForceDb[reqip] = {
invalidAttempts: 0
};
callServerError(401, undefined, undefined, ha);
serverconsole.errmessage("User " + username + " failed to log in.");
} else {
if (bruteProtection) {
if (process.send) {
process.send("\x12AUTHR" + reqip);
} else {
if (bruteForceDb[reqip]) bruteForceDb[reqip] = {
invalidAttempts: 0
};
}
}
modExecute(mods, vres(req, res, serverconsole, responseEnd, href, ext, uobject, search, "index.html", users, page404, head, foot, fd, callServerError, getCustomHeaders, origHref, redirect, parsePostData));
}
modExecute(mods, vres(req, res, serverconsole, responseEnd, href, ext, uobject, search, "index.html", users, page404, head, foot, fd, callServerError, getCustomHeaders, origHref, redirect, parsePostData));
}
});
}
if (authcode.disableBruteProtection) {
@ -4802,7 +4831,10 @@ function start(init) {
if (version.indexOf("Nightly-") === 0) serverconsole.locwarnmessage("This version is only for test purposes and may be unstable.");
if (http2.__disabled__ !== undefined) serverconsole.locwarnmessage("HTTP/2 isn't supported by your Node.JS version! You may not be able to use HTTP/2 with SVR.JS");
if (configJSON.enableHTTP2 && !secure) serverconsole.locwarnmessage("HTTP/2 without HTTPS may not work in web browsers. Web browsers only support HTTP/2 with HTTPS!");
if (process.isBun) serverconsole.locwarnmessage("Bun support is experimental. Some features of SVR.JS, SVR.JS mods and SVR.JS server-side JavaScript may not work as expected.");
if (process.isBun) {
serverconsole.locwarnmessage("Bun support is experimental. Some features of SVR.JS, SVR.JS mods and SVR.JS server-side JavaScript may not work as expected.");
if(users.some(function(entry) {return entry.pbkdf2;})) serverconsole.locwarnmessage("PBKDF2 password hashing function in Bun blocks the event loop, which may result in denial of service.");
}
if (cluster.isPrimary === undefined) serverconsole.locwarnmessage("You're running SVR.JS on single thread. Reliability may suffer, as the server is stopped after crash.");
if (crypto.__disabled__ !== undefined) serverconsole.locwarnmessage("Your Node.JS version doesn't have crypto support! The 'crypto' module is essential for providing cryptographic functionality in Node.js. Without crypto support, certain security features may be unavailable, and some functionality may not work as expected. It's recommended to use a Node.JS version that includes crypto support to ensure the security and proper functioning of your server.");
if (process.getuid && process.getuid() == 0) serverconsole.locwarnmessage("You're running SVR.JS as root. It's recommended to run SVR.JS as an non-root user. Running SVR.JS as root may increase the risks of OS command execution vulnerabilities.");
@ -4898,6 +4930,7 @@ function start(init) {
},
stop: function (retcode) {
reallyExiting = true;
clearInterval(pbkdf2CacheIntervalId);
if((!cluster.isPrimary && cluster.isPrimary !== undefined) && server.listening) {
try {
server.close(function() {
@ -5019,6 +5052,13 @@ function start(init) {
}
}, 300000);
}
if (!cluster.isPrimary) {
pbkdf2CacheIntervalId = setInterval(function () {
pbkdf2Cache = pbkdf2Cache.every(function(entry) {
return entry.addDate > (new Date() - 3600000);
});
}, 3600000);
}
if (!cluster.isPrimary && cluster.isPrimary !== undefined) {
process.on("message", function (line) {
try {

74
svrpasswd.js
View file

@ -196,42 +196,63 @@ function saveConfig() {
var args = process.argv;
var user = "";
var action = "change";
var hash = "auto";
if (process.argv.length <= (process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("bun") > -1 ? 2 : 1)) args.push("-h");
for (var i = (process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("bun") > -1 ? 2 : 1); i < args.length; i++) {
if (args[i] == "-h" || args[i] == "--help" || args[i] == "-?" || args[i] == "/h" || args[i] == "/?") {
console.log("SVR.JS user tool usage:");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [-a|--add|-d|--delete] <username>");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [--sha256|--pbkdf2] [-a|--add|-d|--delete] <username>");
console.log("-h -? /h /? --help -- Displays help");
console.log("-a --add -- Add an user");
console.log("-d --delete -- Deletes an user");
console.log("--sha256 -- Uses salted SHA256");
console.log("--pbkdf2 -- Uses PBKDF2");
process.exit(0);
} else if (args[i] == "-a" || args[i] == "--add") {
if (action != "change") {
console.log("Multiple actions specified.");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [-a|--add|-d|--delete] <username>");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [--sha256|--pbkdf2] [-a|--add|-d|--delete] <username>");
console.log("-h -? /h /? --help -- Displays help");
console.log("-a --add -- Add an user");
console.log("-d --delete -- Deletes an user");
console.log("--sha256 -- Uses salted SHA256");
console.log("--pbkdf2 -- Uses PBKDF2");
process.exit(1);
}
action = "add";
} else if (args[i] == "-d" || args[i] == "--delete") {
if (action != "change") {
console.log("Multiple actions specified.");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [-a|--add|-d|--delete] <username>");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [--sha256|--pbkdf2] [-a|--add|-d|--delete] <username>");
console.log("-h -? /h /? --help -- Displays help");
console.log("-a --add -- Add an user");
console.log("-d --delete -- Deletes an user");
console.log("--sha256 -- Uses salted SHA256");
console.log("--pbkdf2 -- Uses PBKDF2");
process.exit(1);
}
action = "delete";
} else {
if (user != "") {
console.log("Multiple users specified.");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [-a|--add|-d|--delete] <username>");
} else if (args[i] == "--sha256" || args[i] == "--pbkdf2") {
if (hash != "auto") {
console.log("Multiple hash types specified.");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [--sha256|--pbkdf2] [-a|--add|-d|--delete] <username>");
console.log("-h -? /h /? --help -- Displays help");
console.log("-a --add -- Add an user");
console.log("-d --delete -- Deletes an user");
console.log("--sha256 -- Uses salted SHA256");
console.log("--pbkdf2 -- Uses PBKDF2");
process.exit(1);
}
hash = (args[i] == "--sha256" ? "sha256" : "pbkdf2");
} else {
if (user != "") {
console.log("Multiple users specified.");
onsole.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [--sha256|--pbkdf2] [-a|--add|-d|--delete] <username>");
console.log("-h -? /h /? --help -- Displays help");
console.log("-a --add -- Add an user");
console.log("-d --delete -- Deletes an user");
console.log("--sha256 -- Uses salted SHA256");
console.log("--pbkdf2 -- Uses PBKDF2");
process.exit(1);
}
user = args[i];
@ -240,13 +261,25 @@ for (var i = (process.argv[0].indexOf("node") > -1 || process.argv[0].indexOf("b
if (user == "") {
console.log("No user specified.");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [-a|--add|-d|--delete] <username>");
console.log("node svrpasswd.js [-h] [--help] [-?] [/h] [/?] [--sha256|--pbkdf2] [-a|--add|-d|--delete] <username>");
console.log("-h -? /h /? --help -- Displays help");
console.log("-a --add -- Add an user");
console.log("-d --delete -- Deletes an user");
console.log("--sha256 -- Uses salted SHA256");
console.log("--pbkdf2 -- Uses PBKDF2");
process.exit(1);
}
if (hash == "auto") {
if(crypto.__disabled__ !== "undefined") {
hash = "sha256";
} else if(process.isBun) {
hash = "sha256"; //Prevent PBKDF2 function event loop block in Bun
} else {
hash = "pbkdf2"; //Secure by default
}
}
function getUserIndex(username) {
var ind = -1
for (var i = 0; i < users.length; i++) {
@ -277,20 +310,23 @@ function password(callback) {
var rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
prompt: 'Password: ',
terminal: false
prompt: 'Password: '
});
rl.prompt();
process.stdout.writeold = process.stdout.write;
process.stdout.write = function(s){process.stdout.writeold(s.replace(/[^\r\n]/g,""));};
rl.once('line', (line) => {
//rl.close();
process.stdout.write = process.stdout.writeold;
var rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
prompt: 'Confirm password: ',
terminal: false
});
rl.prompt();
process.stdout.writeold = process.stdout.write;
process.stdout.write = function(s){process.stdout.writeold(s.replace(/[^\r\n]/g,""));};
rl.on('line', (line2) => {
process.stdout.write = process.stdout.writeold;
rl.close();
if (line != line2) callback(false);
else callback(line);
@ -317,11 +353,12 @@ if (action == "delete") {
console.log("Passwords don't match!");
process.exit(1);
} else {
var salt = generateSalt()
var salt = generateSalt();
users.push({
name: user,
pass: sha256(password + salt),
salt: salt
pass: (hash == "sha256" ? sha256(password + salt) : crypto.pbkdf2Sync(password, salt, 36250, 64, "sha512")),
salt: salt,
pbkdf2: (hash == "sha256" ? undefined : true)
});
saveConfig();
console.log("User added successfully");
@ -333,11 +370,12 @@ if (action == "delete") {
console.log("Passwords don't match!");
process.exit(1);
} else {
var salt = generateSalt()
var salt = generateSalt();
users[userindex] = {
name: user,
pass: sha256(password + salt),
salt: salt
pass: (hash == "sha256" ? sha256(password + salt) : crypto.pbkdf2Sync(password, salt, 36250, 64, "sha512")),
salt: salt,
pbkdf2: (hash == "sha256" ? undefined : true)
};
saveConfig();
console.log("Password changed successfully");