mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-30 17:13:19 -05:00
437 lines
22 KiB
JavaScript
437 lines
22 KiB
JavaScript
/**
|
|
* @fileoverview Script Compiler / Decompiler / Runner
|
|
* @author Ylian Saint-Hilaire
|
|
* @version v0.1.0e
|
|
*/
|
|
|
|
// Core functions
|
|
script_functionTable1 = ['nop', 'jump', 'set', 'print', 'dialog', 'getitem', 'substr', 'indexof', 'split', 'join', 'length', 'jsonparse', 'jsonstr', 'add', 'substract', 'parseint', 'wsbatchenum', 'wsput', 'wscreate', 'wsdelete', 'wsexec', 'scriptspeed', 'wssubscribe', 'wsunsubscribe', 'readchar', 'signwithdummyca'];
|
|
|
|
// functions of type ARG1 = func(ARG2, ARG3, ARG4, ARG5, ARG6)
|
|
script_functionTable2 = ['encodeuri', 'decodeuri', 'passwordcheck', 'atob', 'btoa', 'hex2str', 'str2hex', 'random', 'md5', 'maketoarray', 'readshort', 'readshortx', 'readint', 'readsint', 'readintx', 'shorttostr', 'shorttostrx', 'inttostr', 'inttostrx'];
|
|
|
|
// functions of type ARG1 = func(ARG2, ARG3, ARG4, ARG5, ARG6)
|
|
script_functionTableX2 = [encodeURI, decodeURI, passwordcheck, window.atob.bind(window), window.btoa.bind(window), hex2rstr, rstr2hex, random, rstr_md5, MakeToArray, ReadShort, ReadShortX, ReadInt, ReadSInt, ReadIntX, ShortToStr, ShortToStrX, IntToStr, IntToStrX];
|
|
|
|
// Optional functions of type ARG1 = func(ARG2, ARG3, ARG4, ARG5, ARG6)
|
|
script_functionTable3 = ['pullsystemstatus', 'pulleventlog', 'pullauditlog', 'pullcertificates', 'pullwatchdog', 'pullsystemdefense', 'pullhardware', 'pulluserinfo', 'pullremoteaccess', 'highlightblock', 'disconnect', 'getsidstring', 'getsidbytearray'];
|
|
|
|
// Optional functions of type ARG1 = func(ARG2, ARG3, ARG4, ARG5, ARG6)
|
|
script_functionTableX3 = [
|
|
PullSystemStatus
|
|
,
|
|
// ###BEGIN###{EventLog}
|
|
PullEventLog
|
|
// ###END###{EventLog}
|
|
,
|
|
// ###BEGIN###{AuditLog}
|
|
PullAuditLog
|
|
// ###END###{AuditLog}
|
|
,
|
|
// ###BEGIN###{Certificates}
|
|
PullCertificates
|
|
// ###END###{Certificates}
|
|
,
|
|
// ###BEGIN###{AgentPresence}
|
|
PullWatchdog
|
|
// ###END###{AgentPresence}
|
|
,
|
|
// ###BEGIN###{SystemDefense}
|
|
PullSystemDefense
|
|
// ###END###{SystemDefense}
|
|
,
|
|
// ###BEGIN###{HardwareInfo}
|
|
PullHardware
|
|
// ###END###{HardwareInfo}
|
|
,
|
|
PullUserInfo
|
|
,
|
|
// ###BEGIN###{RemoteAccess}
|
|
PullRemoteAccess
|
|
// ###END###{RemoteAccess}
|
|
,
|
|
// ###BEGIN###{Scripting-Editor}
|
|
script_HighlightBlock
|
|
// ###END###{Scripting-Editor}
|
|
,
|
|
// ###BEGIN###{ComputerSelector}
|
|
disconnect
|
|
// ###END###{ComputerSelector}
|
|
,
|
|
function (runner, x) { return GetSidString(x); }
|
|
,
|
|
function (runner, x) { return GetSidByteArray(x); }
|
|
];
|
|
|
|
// Setup the script state
|
|
function script_setup(binary, startvars) {
|
|
var obj = { startvars:startvars };
|
|
if (binary.length < 6) { console.error('Invalid script length'); return null; } // Script must have at least 6 byte header
|
|
if (ReadInt(binary, 0) != 0x247D2945) { console.error('Invalid binary script'); return null; } // Check the script magic header
|
|
if (ReadShort(binary, 4) > 1) { console.error('Unsupported script version'); return null; } // Check the script version
|
|
obj.script = binary.substring(6);
|
|
// obj.onStep;
|
|
// obj.onConsole;
|
|
|
|
// Reset the script to the start
|
|
obj.reset = function (stepspeed) {
|
|
obj.stop();
|
|
obj.ip = 0;
|
|
obj.variables = startvars;
|
|
obj.state = 1;
|
|
}
|
|
|
|
// Start the script
|
|
obj.start = function (stepspeed) {
|
|
obj.stop();
|
|
obj.stepspeed = stepspeed;
|
|
if (stepspeed > 0) { obj.timer = setInterval(function () { obj.step() }, stepspeed); }
|
|
}
|
|
|
|
// Stop the script
|
|
obj.stop = function () {
|
|
if (obj.timer != null) { clearInterval(obj.timer); }
|
|
obj.timer = null;
|
|
obj.stepspeed = 0;
|
|
}
|
|
|
|
// function used to load and store variable values
|
|
obj.getVar = function (name) { if (name == undefined) return undefined; return obj.getVarEx(name.split('.'), obj.variables); }
|
|
obj.getVarEx = function (name, val) { try { if (name == undefined) return undefined; if (name.length == 0) return val; return obj.getVarEx(name.slice(1), val[name[0]]); } catch (e) { return null; } }
|
|
obj.setVar = function (name, val) { obj.setVarEx(name.split('.'), obj.variables, val); }
|
|
obj.setVarEx = function (name, vars, val) { if (name.length == 1) { vars[name[0]] = val; } else { obj.setVarEx(name.slice(1), vars[name[0]], val); } }
|
|
|
|
// Run the script one step forward
|
|
obj.step = function () {
|
|
if (obj.state != 1) return;
|
|
if (obj.ip < obj.script.length) {
|
|
var cmdid = ReadShort(obj.script, obj.ip);
|
|
var cmdlen = ReadShort(obj.script, obj.ip + 2);
|
|
var argcount = ReadShort(obj.script, obj.ip + 4);
|
|
var argptr = obj.ip + 6;
|
|
var args = [];
|
|
|
|
// Clear all temp variables (This is optional)
|
|
for (var i in obj.variables) { if (i.startsWith('__')) { delete obj.variables[i]; } }
|
|
|
|
// Loop on each argument, moving forward by the argument length each time
|
|
for (var i = 0; i < argcount; i++) {
|
|
var arglen = ReadShort(obj.script, argptr);
|
|
var argval = obj.script.substring(argptr + 2, argptr + 2 + arglen);
|
|
var argtyp = argval.charCodeAt(0);
|
|
argval = argval.substring(1);
|
|
if (argtyp < 2) {
|
|
// Get the value and replace all {var} with variable values
|
|
while (argval.split("{").length > 1) { var t = argval.split("{").pop().split("}").shift(); argval = argval.replace('{' + t + '}', obj.getVar(t)); }
|
|
if (argtyp == 1) { obj.variables['__' + i] = decodeURI(argval); argval = '__' + i; } // If argtyp is 1, this is a literal. Store in temp variable.
|
|
args.push(argval);
|
|
}
|
|
if (argtyp == 2 || argtyp == 3) {
|
|
obj.variables['__' + i] = ReadSInt(argval, 0);
|
|
args.push('__' + i);
|
|
}
|
|
argptr += (2 + arglen);
|
|
}
|
|
|
|
// Move instruction pointer forward by command size
|
|
obj.ip += cmdlen;
|
|
|
|
// Get all variable values
|
|
var argsval = [];
|
|
for (var i = 0; i < 10; i++) { argsval.push(obj.getVar(args[i])); }
|
|
var storeInArg0;
|
|
|
|
try {
|
|
if (cmdid < 10000) {
|
|
// Lets run the actual command
|
|
switch (cmdid) {
|
|
case 0: // nop
|
|
break;
|
|
case 1: // jump(label) or jump(label, a, compare, b)
|
|
if (argsval[2]) {
|
|
if (
|
|
(argsval[2] == '<' && argsval[1] < argsval[3]) ||
|
|
(argsval[2] == '<=' && argsval[1] <= argsval[3]) ||
|
|
(argsval[2] == '!=' && argsval[1] != argsval[3]) ||
|
|
(argsval[2] == '=' && argsval[1] == argsval[3]) ||
|
|
(argsval[2] == '>=' && argsval[1] >= argsval[3]) ||
|
|
(argsval[2] == '>' && argsval[1] > argsval[3])
|
|
) { obj.ip = argsval[0]; }
|
|
} else {
|
|
obj.ip = argsval[0]; // Set the instruction pointer to the new location in the script
|
|
}
|
|
break;
|
|
case 2: // set(variable, value)
|
|
if (args[1] == undefined) delete obj.variables[args[0]]; else obj.setVar(args[0], argsval[1]);
|
|
break;
|
|
case 3: // print(message)
|
|
if (obj.onConsole) { obj.onConsole(obj.toString(argsval[0]), obj); } else { console.log(obj.toString(argsval[0])); }
|
|
// Q(obj.consoleid).value += () + '\n'); Q(obj.console).scrollTop = Q(obj.console).scrollHeight;
|
|
break;
|
|
case 4: // dialog(title, content, buttons)
|
|
obj.state = 2;
|
|
obj.dialog = true;
|
|
setDialogMode(11, argsval[0], argsval[2], obj.xxStepDialogOk, argsval[1], obj);
|
|
break;
|
|
case 5: // getitem(a, b, c)
|
|
for (var i in argsval[1]) { if (argsval[1][i][argsval[2]] == argsval[3]) { storeInArg0 = i; } };
|
|
break;
|
|
case 6: // substr(variable_dest, variable_src, index, len)
|
|
storeInArg0 = argsval[1].substr(argsval[2], argsval[3]);
|
|
break;
|
|
case 7: // indexOf(variable_dest, variable_src, index, len)
|
|
storeInArg0 = argsval[1].indexOf(argsval[2]);
|
|
break;
|
|
case 8: // split(variable_dest, variable_src, separator)
|
|
storeInArg0 = argsval[1].split(argsval[2]);
|
|
break;
|
|
case 9: // join(variable_dest, variable_src, separator)
|
|
storeInArg0 = argsval[1].join(argsval[2]);
|
|
break;
|
|
case 10: // length(variable_dest, variable_src)
|
|
storeInArg0 = argsval[1].length;
|
|
break;
|
|
case 11: // jsonparse(variable_dest, json)
|
|
storeInArg0 = JSON.parse(argsval[1]);
|
|
break;
|
|
case 12: // jsonstr(variable_dest, variable_src)
|
|
storeInArg0 = JSON.stringify(argsval[1]);
|
|
break;
|
|
case 13: // add(variable_dest, variable_src, value)
|
|
storeInArg0 = (argsval[1] + argsval[2]);
|
|
break;
|
|
case 14: // substract(variable_dest, variable_src, value)
|
|
storeInArg0 = (argsval[1] - argsval[2]);
|
|
break;
|
|
case 15: // parseInt(variable_dest, variable_src)
|
|
storeInArg0 = parseInt(argsval[1]);
|
|
break;
|
|
case 16: // wsbatchenum(name, objectList)
|
|
obj.state = 2;
|
|
obj.amtstack.BatchEnum(argsval[0], argsval[1], obj.xxWsmanReturn, obj);
|
|
break;
|
|
case 17: // wsput(name, args)
|
|
obj.state = 2;
|
|
obj.amtstack.Put(argsval[0], argsval[1], obj.xxWsmanReturn, obj);
|
|
break;
|
|
case 18: // wscreate(name, args)
|
|
obj.state = 2;
|
|
obj.amtstack.Create(argsval[0], argsval[1], obj.xxWsmanReturn, obj);
|
|
break;
|
|
case 19: // wsdelete(name, args)
|
|
obj.state = 2;
|
|
obj.amtstack.Delete(argsval[0], argsval[1], obj.xxWsmanReturn, obj);
|
|
break;
|
|
case 20: // wsexec(name, method, args, selectors)
|
|
obj.state = 2;
|
|
obj.amtstack.Exec(argsval[0], argsval[1], argsval[2], obj.xxWsmanReturn, obj, 0, argsval[3]);
|
|
break;
|
|
case 21: // Script Speed
|
|
obj.stepspeed = argsval[0];
|
|
if (obj.timer != null) { clearInterval(obj.timer); obj.timer = setInterval(function () { obj.step() }, obj.stepspeed); }
|
|
break;
|
|
case 22: // wssubscribe(name, delivery, url, selectors, opaque, user, pass)
|
|
obj.state = 2;
|
|
obj.amtstack.Subscribe(argsval[0], argsval[1], argsval[2], obj.xxWsmanReturn, obj, 0, argsval[3], argsval[4], argsval[5], argsval[6]);
|
|
break;
|
|
case 23: // wsunsubscribe(name, selectors)
|
|
obj.state = 2;
|
|
obj.amtstack.UnSubscribe(argsval[0], obj.xxWsmanReturn, obj, 0, argsval[1]);
|
|
break;
|
|
case 24: // readchar(str, pos)
|
|
console.log(argsval[1], argsval[2], argsval[1].charCodeAt(argsval[2]));
|
|
storeInArg0 = argsval[1].charCodeAt(argsval[2]);
|
|
break;
|
|
case 25: // signWithDummyCa
|
|
// ###BEGIN###{Certificates}
|
|
obj.state = 2;
|
|
// DERKey, xxCaPrivateKey, certattributes, issuerattributes
|
|
amtcert_signWithCaKey(argsval[0], null, argsval[1], { 'CN': 'Untrusted Root Certificate' }, obj.xxSignWithDummyCaReturn);
|
|
// ###END###{Certificates}
|
|
break;
|
|
default: {
|
|
obj.state = 9;
|
|
console.error("Script Error, unknown command: " + cmdid);
|
|
}
|
|
}
|
|
} else {
|
|
if (cmdid < 20000) {
|
|
// functions of type ARG1 = func(ARG2, ARG3, ARG4, ARG5, ARG6)
|
|
storeInArg0 = script_functionTableX2[cmdid - 10000](argsval[1], argsval[2], argsval[3], argsval[4], argsval[5], argsval[6]);
|
|
} else {
|
|
// Optional functions of type ARG1 = func(ARG2, ARG3, ARG4, ARG5, ARG6)
|
|
if (script_functionTableX3 && script_functionTableX3[cmdid - 20000]) {
|
|
storeInArg0 = script_functionTableX3[cmdid - 20000](obj, argsval[1], argsval[2], argsval[3], argsval[4], argsval[5], argsval[6]); // Note that optional calls start with "obj" as first argument.
|
|
}
|
|
}
|
|
}
|
|
|
|
if (storeInArg0 != undefined) obj.setVar(args[0], storeInArg0);
|
|
} catch (e) {
|
|
if (typeof e == 'object') { e = e.message; }
|
|
obj.setVar('_exception', e);
|
|
}
|
|
}
|
|
|
|
if (obj.state == 1 && obj.ip >= obj.script.length) { obj.state = 0; obj.stop(); }
|
|
if (obj.onStep) obj.onStep(obj);
|
|
return obj;
|
|
}
|
|
|
|
obj.xxStepDialogOk = function (button) {
|
|
obj.variables['DialogSelect'] = button;
|
|
obj.state = 1;
|
|
obj.dialog = false;
|
|
if (obj.onStep) obj.onStep(obj);
|
|
}
|
|
|
|
// ###BEGIN###{**ClosureAdvancedMode}
|
|
obj.xxWsmanReturnFix = function (x) {
|
|
if (!x || x == null) return;
|
|
if (x.Header) { x['Header'] = x.Header; delete x.Header; }
|
|
if (x.Body) { x['Body'] = x.Body; delete x.Body; }
|
|
if (x.Responses) { x['Responses'] = x.Responses; delete x.Responses; }
|
|
if (x.Response) { x['Response'] = x.Response; delete x.Response; }
|
|
if (x.ReturnValueStr) { x['ReturnValueStr'] = x.ReturnValueStr; delete x.ReturnValueStr; }
|
|
}
|
|
// ###END###{**ClosureAdvancedMode}
|
|
|
|
obj.xxWsmanReturn = function (stack, name, responses, status) {
|
|
// ###BEGIN###{**ClosureAdvancedMode}
|
|
// This is required when Google Closure is used
|
|
if (responses) {
|
|
obj.xxWsmanReturnFix(responses);
|
|
for (var i in responses) {
|
|
obj.xxWsmanReturnFix(responses[i]);
|
|
for (var j in responses[i]) { obj.xxWsmanReturnFix(responses[i][j]); }
|
|
}
|
|
}
|
|
// ###END###{**ClosureAdvancedMode}
|
|
obj.setVar(name, responses);
|
|
obj.setVar('wsman_result', status);
|
|
obj.setVar('wsman_result_str', ((httpErrorTable[status]) ? (httpErrorTable[status]) : ('Error #' + status)));
|
|
obj.state = 1;
|
|
if (obj.onStep) obj.onStep(obj);
|
|
}
|
|
|
|
// ###BEGIN###{Certificates}
|
|
obj.xxSignWithDummyCaReturn = function (cert) {
|
|
obj.setVar('signed_cert', btoa(_arrayBufferToString(cert)));
|
|
obj.state = 1;
|
|
if (obj.onStep) obj.onStep(obj);
|
|
}
|
|
// ###END###{Certificates}
|
|
|
|
obj.toString = function (x) { if (typeof x == 'object') return JSON.stringify(x); return x; }
|
|
|
|
obj.reset();
|
|
return obj;
|
|
}
|
|
|
|
// Argument types: 0 = Variable, 1 = String, 2 = Integer, 3 = Label
|
|
function script_compile(script, onmsg) {
|
|
var r = '', scriptlines = script.split('\n'), labels = {}, labelswap = [], swaps = [];
|
|
// Go thru each script line and encode it
|
|
for (var i in scriptlines) {
|
|
var scriptline = scriptlines[i];
|
|
if (scriptline.startsWith('##SWAP ')) { var x = scriptline.split(' '); if (x.length == 3) { swaps[x[1]] = x[2]; } } // Add a swap instance
|
|
if (scriptline[0] == '#' || scriptline.length == 0) continue; // Skip comments & blank lines
|
|
for (var x in swaps) { scriptline = scriptline.split(x).join(swaps[x]); } // Apply all swaps
|
|
var keywords = scriptline.match(/"[^"]*"|[^\s"]+/g);
|
|
if (keywords.length == 0) continue; // Skip blank lines
|
|
if (scriptline[0] == ':') { labels[keywords[0].toUpperCase()] = r.length; continue; } // Mark a label position
|
|
var funcIndex = script_functionTable1.indexOf(keywords[0].toLowerCase());
|
|
if (funcIndex == -1) { funcIndex = script_functionTable2.indexOf(keywords[0].toLowerCase()); if (funcIndex >= 0) funcIndex += 10000; }
|
|
if (funcIndex == -1) { funcIndex = script_functionTable3.indexOf(keywords[0].toLowerCase()); if (funcIndex >= 0) funcIndex += 20000; } // Optional methods
|
|
if (funcIndex == -1) { if (onmsg) { onmsg("Unabled to compile, unknown command: " + keywords[0]); } return ''; }
|
|
// Encode CommandId, CmdSize, ArgCount, Arg1Len, Arg1, Arg2Len, Arg2...
|
|
var cmd = ShortToStr(keywords.length - 1);
|
|
for (var j in keywords) {
|
|
if (j == 0) continue;
|
|
if (keywords[j][0] == ':') {
|
|
labelswap.push([keywords[j], r.length + cmd.length + 7]); // Add a label swap
|
|
cmd += ShortToStr(5) + String.fromCharCode(3) + IntToStr(0xFFFFFFFF); // Put an empty label
|
|
} else {
|
|
var argint = parseInt(keywords[j]);
|
|
if (argint == keywords[j]) {
|
|
cmd += ShortToStr(5) + String.fromCharCode(2) + IntToStr(argint);
|
|
} else {
|
|
if (keywords[j][0] == '"' && keywords[j][keywords[j].length - 1] == '"') {
|
|
cmd += ShortToStr(keywords[j].length - 1) + String.fromCharCode(1) + keywords[j].substring(1, keywords[j].length - 1);
|
|
} else {
|
|
cmd += ShortToStr(keywords[j].length + 1) + String.fromCharCode(0) + keywords[j];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
cmd = ShortToStr(funcIndex) + ShortToStr(cmd.length + 4) + cmd;
|
|
r += cmd;
|
|
}
|
|
// Perform all the needed label swaps
|
|
for (i in labelswap) {
|
|
var label = labelswap[i][0].toUpperCase(), position = labelswap[i][1], target = labels[label];
|
|
if (target == undefined) { if (onmsg) { onmsg("Unabled to compile, unknown label: " + label); } return ''; }
|
|
r = r.substr(0, position) + IntToStr(target) + r.substr(position + 4);
|
|
}
|
|
return IntToStr(0x247D2945) + ShortToStr(1) + r;
|
|
}
|
|
|
|
// Decompile the script, intended for debugging only
|
|
function script_decompile(binary, onecmd) {
|
|
var r = '', ptr = 6, labelcount = 0, labels = {};
|
|
if (onecmd >= 0) {
|
|
ptr = onecmd; // If we are decompiling just one command, set the ptr to that command.
|
|
} else {
|
|
if (binary.length < 6) { return '# Invalid script length'; }
|
|
var magic = ReadInt(binary, 0);
|
|
var version = ReadShort(binary, 4);
|
|
if (magic != 0x247D2945) { return '# Invalid binary script: ' + magic; }
|
|
if (version != 1) { return '# Invalid script version'; }
|
|
}
|
|
// Loop on each command, moving forward by the command length each time.
|
|
while (ptr < binary.length) {
|
|
var cmdid = ReadShort(binary, ptr);
|
|
var cmdlen = ReadShort(binary, ptr + 2);
|
|
var argcount = ReadShort(binary, ptr + 4);
|
|
var argptr = ptr + 6;
|
|
var argstr = '';
|
|
if (!(onecmd >= 0)) r += ":label" + (ptr - 6) + "\n";
|
|
// Loop on each argument, moving forward by the argument length each time
|
|
for (var i = 0; i < argcount; i++) {
|
|
var arglen = ReadShort(binary, argptr);
|
|
var argval = binary.substring(argptr + 2, argptr + 2 + arglen);
|
|
var argtyp = argval.charCodeAt(0);
|
|
if (argtyp == 0) { argstr += ' ' + argval.substring(1); } // Variable
|
|
else if (argtyp == 1) { argstr += ' \"' + argval.substring(1) + '\"'; } // String
|
|
else if (argtyp == 2) { argstr += ' ' + ReadInt(argval, 1); } // Integer
|
|
else if (argtyp == 3) { // Label
|
|
var target = ReadInt(argval, 1);
|
|
var label = labels[target];
|
|
if (!label) { label = ":label" + target; labels[label] = target; }
|
|
argstr += ' ' + label;
|
|
}
|
|
argptr += (2 + arglen);
|
|
}
|
|
// Go in the script function table to decode the function
|
|
if (cmdid < 10000) {
|
|
r += script_functionTable1[cmdid] + argstr + "\n";
|
|
} else {
|
|
if (cmdid >= 20000) {
|
|
r += script_functionTable3[cmdid - 20000] + argstr + "\n"; // Optional methods
|
|
} else {
|
|
r += script_functionTable2[cmdid - 10000] + argstr + "\n";
|
|
}
|
|
}
|
|
ptr += cmdlen;
|
|
if (onecmd >= 0) return r; // If we are decompiling just one command, exit now
|
|
}
|
|
// Remove all unused labels
|
|
var scriptlines = r.split('\n');
|
|
r = '';
|
|
for (var i in scriptlines) {
|
|
var line = scriptlines[i];
|
|
if (line[0] != ':') { r += line + '\n'; } else { if (labels[line]) { r += line + '\n'; } }
|
|
}
|
|
return r;
|
|
}
|