From dca274d87ed09004aa23d07af8966bf504799a8c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ole=20Andr=C3=A9=20Vadla=20Ravn=C3=A5s?= Date: Sat, 21 Sep 2024 00:50:27 +0200 Subject: [PATCH] [WIP] tracer: Show contextual disassembly --- agents/tracer/agent.ts | 13 +- apps/tracer/src/App.css | 33 +++- apps/tracer/src/App.tsx | 233 ++++++++-------------------- apps/tracer/src/DisassemblyView.css | 8 + apps/tracer/src/DisassemblyView.tsx | 45 ++++++ apps/tracer/src/EventView.css | 3 +- apps/tracer/src/index.css | 1 + apps/tracer/src/model.ts | 207 ++++++++++++++++++++++++ apps/tracer/src/r2.d.ts | 51 ++++++ apps/tracer/src/r2.js | 16 ++ apps/tracer/src/use-r2.ts | 103 ++++++++++++ apps/tracer/vite.config.ts | 10 +- frida_tools/tracer.py | 15 +- 13 files changed, 567 insertions(+), 171 deletions(-) create mode 100644 apps/tracer/src/DisassemblyView.css create mode 100644 apps/tracer/src/DisassemblyView.tsx create mode 100644 apps/tracer/src/r2.d.ts create mode 100644 apps/tracer/src/r2.js create mode 100644 apps/tracer/src/use-r2.ts diff --git a/agents/tracer/agent.ts b/agents/tracer/agent.ts index 1c35938..0c77666 100644 --- a/agents/tracer/agent.ts +++ b/agents/tracer/agent.ts @@ -34,6 +34,8 @@ class Agent { message: e.message }); }); + + return Process.mainModule; } dispose() { @@ -98,6 +100,14 @@ class Agent { return [...nativeIds, ...javaIds]; } + readMemory(address: string, size: number): ArrayBuffer | null { + try { + return ptr(address).readByteArray(size); + } catch (e) { + return null; + } + } + private cropStagedPlan(plan: TracePlan, id: StagedItemId): TracePlan { let candidateId: StagedItemId; @@ -993,5 +1003,6 @@ rpc.exports = { dispose: agent.dispose.bind(agent), update: agent.update.bind(agent), stageTargets: agent.stageTargets.bind(agent), - commitTargets: agent.commitTargets.bind(agent,) + commitTargets: agent.commitTargets.bind(agent), + readMemory: agent.readMemory.bind(agent), }; diff --git a/apps/tracer/src/App.css b/apps/tracer/src/App.css index bbad2b3..fc9acad 100644 --- a/apps/tracer/src/App.css +++ b/apps/tracer/src/App.css @@ -30,20 +30,49 @@ padding: 5px; } -.work-area { +.editor-area { display: flex; flex: 1; flex-direction: column; } -.work-area section { +.editor-area section { flex: 1; } +.editor-area .bp5-button:focus { + outline: 0; +} + .monaco-editor { position: absolute !important; } +.bottom-tabs { + display: flex; + flex-direction: column; + flex: 1; +} + +.bottom-tabs .bp5-tab-list { + padding-left: 5px; +} + +.bottom-tabs .bp5-tab:focus { + outline: 0; +} + +.bottom-tab-panel { + display: flex; + margin-top: 5px; + flex: 1; + overflow: hidden; +} + .event-view { flex: 1; } + +.disassembly-view { + flex: 1; +} diff --git a/apps/tracer/src/App.tsx b/apps/tracer/src/App.tsx index 68e612b..f10d250 100644 --- a/apps/tracer/src/App.tsx +++ b/apps/tracer/src/App.tsx @@ -1,137 +1,72 @@ import "./App.css"; import AddTargetsDialog from "./AddTargetsDialog.tsx"; +import DisassemblyView from "./DisassemblyView.tsx"; import EventView from "./EventView.tsx"; import HandlerEditor from "./HandlerEditor.tsx"; import HandlerList from "./HandlerList.tsx"; -import { - Event, - Handler, - HandlerId, - ScopeId, - StagedItem, - StagedItemId, - TraceSpecScope -} from "./model.js"; +import { useModel } from "./model.js"; import { BlueprintProvider, Callout, Button, ButtonGroup, + Tabs, + Tab, } from "@blueprintjs/core"; -import { useEffect, useState } from "react"; -import { Resplit } from 'react-resplit'; -import useWebSocket, { ReadyState } from "react-use-websocket"; +import { useState } from "react"; +import { Resplit } from "react-resplit"; export default function App() { - const [spawnedProgram, setSpawnedProgram] = useState(null); - const [handlers, setHandlers] = useState([]); - const [selectedScope, setSelectedScope] = useState(""); - const [selectedHandler, setSelectedHandler] = useState(-1); - const [handlerCode, setHandlerCode] = useState(""); - const [draftedCode, setDraftedCode] = useState(""); - const [addingTargets, setAddingTargets] = useState(false); - const [events, setEvents] = useState([]); - const [latestMatchingEventIndex, setLatestMatchingEventIndex] = useState(null); - const [highlightedEventIndex, setHighlightedEventIndex] = useState(null); - const [stagedItems, setStagedItems] = useState([]); - const { sendJsonMessage, lastJsonMessage, readyState } = useWebSocket( - (import.meta.env.MODE === "development") - ? "ws://localhost:1337" - : `ws://${window.location.host}`); - - function handleHandlerSelection(id: HandlerId) { - setSelectedHandler(id); - setHighlightedEventIndex(null); - sendJsonMessage({ type: "handler:load", id }); - } - - function deploy(code: string) { - setHandlerCode(code); - setDraftedCode(code); - sendJsonMessage({ type: "handler:save", id: selectedHandler, code }); - } - - function handleEventActivation(id: HandlerId) { - const handler = handlers.find(h => h.id === id); - setSelectedScope(handler!.scope); - handleHandlerSelection(id); - } - - function handleAddTargetsClose() { - setAddingTargets(false); - setStagedItems([]); - } - - function handleAddTargetsQuery(scope: TraceSpecScope, query: string) { - if (query.length === 0 || query === "*") { - return; - } - - const spec = [ - ["include", scope, query], - ]; - sendJsonMessage({ type: "targets:stage", profile: { spec } }); - } - - function handleAddTargetsCommit(id: StagedItemId | null) { - handleAddTargetsClose(); - sendJsonMessage({ type: "targets:commit", id }); - } - - function handleRespawnRequest() { - sendJsonMessage({ type: "tracer:respawn" }); - } - - useEffect(() => { - if (lastJsonMessage === null) { - return; - } - - switch (lastJsonMessage.type) { - case "tracer:sync": - setSpawnedProgram(lastJsonMessage.spawned_program); - setHandlers(lastJsonMessage.handlers); - break; - case "handlers:add": - setHandlers(handlers.concat(lastJsonMessage.handlers)); - break; - case "handler:loaded": { - const { code } = lastJsonMessage; - setHandlerCode(code); - setDraftedCode(code); - break; - } - case "targets:staged": - setStagedItems(lastJsonMessage.items); - break; - case "events:add": - setEvents(events.concat(lastJsonMessage.events)); - break; - default: - console.log("TODO:", lastJsonMessage); - break; - } - - }, [lastJsonMessage]); - - useEffect(() => { - for (let i = events.length - 1; i !== -1; i--) { - const event = events[i]; - if (event[0] === selectedHandler) { - setLatestMatchingEventIndex(i); - return; - } - } - setLatestMatchingEventIndex(null); - }, [selectedHandler, events]); - - const connectionError = (readyState === ReadyState.CLOSED) + const { + lostConnection, + + spawnedProgram, + respawn, + mainModule, + + handlers, + selectedScope, + selectScope, + selectedHandler, + selectHandler, + handlerCode, + draftedCode, + setDraftedCode, + deployCode, + + events, + latestMatchingEventIndex, + highlightedEventIndex, + setHighlightedEventIndex, + + addingTargets, + startAddingTargets, + finishAddingTargets, + stageItems, + stagedItems, + commitItems, + } = useModel(); + const [selectedTabId, setSelectedTabId] = useState("events"); + + const connectionError = lostConnection ? : null; + const eventView = ( + + ); + + const disassemblyView = ( + + ); + return ( <> @@ -140,29 +75,32 @@ export default function App() { setSelectedScope(scope)} + onScopeSelect={selectScope} selectedHandler={selectedHandler} - onHandlerSelect={handleHandlerSelection} + onHandlerSelect={selectHandler} /> - - {(spawnedProgram !== null) ? : null} + + {(spawnedProgram !== null) ? : null} -
+
{connectionError} @@ -171,25 +109,24 @@ export default function App() { handlerId={selectedHandler} handlerCode={handlerCode} onChange={setDraftedCode} - onSave={deploy} + onSave={deployCode} />
- + setSelectedTabId(tabId)} animate={false}> + + +
@@ -197,37 +134,3 @@ export default function App() { ); } - -type TracerMessage = - | TracerSyncMessage - | HandlersAddMessage - | HandlerLoadedMessage - | TargetsStagedMessage - | EventsAddMessage - ; - -interface TracerSyncMessage { - type: "tracer:sync"; - spawned_program: string | null; - handlers: Handler[]; -} - -interface HandlersAddMessage { - type: "handlers:add"; - handlers: Handler[]; -} - -interface HandlerLoadedMessage { - type: "handler:loaded"; - code: string; -} - -interface TargetsStagedMessage { - type: "targets:staged"; - items: StagedItem[]; -} - -interface EventsAddMessage { - type: "events:add"; - events: Event[]; -} \ No newline at end of file diff --git a/apps/tracer/src/DisassemblyView.css b/apps/tracer/src/DisassemblyView.css new file mode 100644 index 0000000..7d03554 --- /dev/null +++ b/apps/tracer/src/DisassemblyView.css @@ -0,0 +1,8 @@ +.disassembly-view { + padding: 5px; + font-family: monospace; + font-size: 10px; + background-color: #1e1e1e; + color: #e4e4e4; + user-select: text; +} diff --git a/apps/tracer/src/DisassemblyView.tsx b/apps/tracer/src/DisassemblyView.tsx new file mode 100644 index 0000000..902dadf --- /dev/null +++ b/apps/tracer/src/DisassemblyView.tsx @@ -0,0 +1,45 @@ +import "./DisassemblyView.css"; +import { NativeModule } from "./model.js"; +import { useR2 } from "./use-r2.js"; +import { useEffect, useRef, useState } from "react"; +import { useStayAtBottom } from "react-stay-at-bottom"; + +export interface DisassemblyViewProps { + mainModule?: NativeModule | null; +} + +export default function DisassemblyView({ mainModule = null }: DisassemblyViewProps = {}) { + const containerRef = useRef(null); + const [r2Output, setR2Output] = useState(""); + const { executeR2Command } = useR2(); + + useStayAtBottom(containerRef, { + initialStay: true, + autoStay: true + }); + + useEffect(() => { + if (mainModule === null) { + return; + } + + let ignore = false; + + async function start() { + const result = await executeR2Command(`s ${mainModule!.base}; x`); + if (!ignore) { + setR2Output(result); + } + } + + start(); + + return () => { + ignore = true; + }; + }, [mainModule]); + + return ( +
+ ); +} diff --git a/apps/tracer/src/EventView.css b/apps/tracer/src/EventView.css index e332f7c..76b1236 100644 --- a/apps/tracer/src/EventView.css +++ b/apps/tracer/src/EventView.css @@ -1,10 +1,11 @@ .event-view { padding: 5px; - overflow: scroll; + overflow: auto; font-family: monospace; font-size: 10px; background-color: #1e1e1e; color: #e4e4e4; + user-select: text; } .event-heading { diff --git a/apps/tracer/src/index.css b/apps/tracer/src/index.css index 34e5dc5..8f48982 100644 --- a/apps/tracer/src/index.css +++ b/apps/tracer/src/index.css @@ -1,5 +1,6 @@ html, body, #root { height: 100%; + user-select: none; } #root { diff --git a/apps/tracer/src/model.ts b/apps/tracer/src/model.ts index a6851d7..8df145a 100644 --- a/apps/tracer/src/model.ts +++ b/apps/tracer/src/model.ts @@ -1,3 +1,162 @@ +import { useR2 } from "./use-r2.js"; +import { useCallback, useEffect, useState } from "react"; +import useWebSocket, { ReadyState } from "react-use-websocket"; + +const SOCKET_URL = (import.meta.env.MODE === "development") + ? "ws://localhost:1337" + : `ws://${window.location.host}`; + +export function useModel() { + const { sendJsonMessage, lastJsonMessage, readyState } = useWebSocket(SOCKET_URL); + + const lostConnection = readyState === ReadyState.CLOSED; + + const [spawnedProgram, setSpawnedProgram] = useState(null); + const [mainModule, setMainModule] = useState(null); + + const [handlers, setHandlers] = useState([]); + const [selectedScope, setSelectedScope] = useState(""); + const [selectedHandler, setSelectedHandler] = useState(-1); + const [handlerCode, setHandlerCode] = useState(""); + const [draftedCode, setDraftedCode] = useState(""); + const [events, setEvents] = useState([]); + const [latestMatchingEventIndex, setLatestMatchingEventIndex] = useState(null); + const [highlightedEventIndex, setHighlightedEventIndex] = useState(null); + + const [addingTargets, setAddingTargets] = useState(false); + const [stagedItems, setStagedItems] = useState([]); + + const onR2ReadRequest = useCallback((address: string, size: number) => { + sendJsonMessage({ type: "memory:read", address, size }); + }, [sendJsonMessage]); + + const { deliverR2ReadResponse } = useR2({ onReadRequest: onR2ReadRequest }); + + function respawn() { + sendJsonMessage({ type: "tracer:respawn" }); + } + + function selectScope(id: ScopeId) { + setSelectedScope(id); + } + + function selectHandler(id: HandlerId) { + const handler = handlers.find(h => h.id === id); + setSelectedScope(handler!.scope); + setSelectedHandler(id); + setHighlightedEventIndex(null); + sendJsonMessage({ type: "handler:load", id }); + } + + function deployCode(code: string) { + setHandlerCode(code); + setDraftedCode(code); + sendJsonMessage({ type: "handler:save", id: selectedHandler, code }); + } + + function startAddingTargets() { + setAddingTargets(true); + } + + function finishAddingTargets() { + setAddingTargets(false); + setStagedItems([]); + } + + function stageItems(scope: TraceSpecScope, query: string) { + if (query.length === 0 || query === "*") { + return; + } + + const spec = [ + ["include", scope, query], + ]; + sendJsonMessage({ type: "targets:stage", profile: { spec } }); + } + + function commitItems(id: StagedItemId | null) { + finishAddingTargets(); + sendJsonMessage({ type: "targets:commit", id }); + } + + useEffect(() => { + if (lastJsonMessage === null) { + return; + } + + switch (lastJsonMessage.type) { + case "tracer:sync": + setSpawnedProgram(lastJsonMessage.spawned_program); + setMainModule(lastJsonMessage.main_module); + setHandlers(lastJsonMessage.handlers); + break; + case "handlers:add": + setHandlers(handlers.concat(lastJsonMessage.handlers)); + break; + case "handler:loaded": { + const { code } = lastJsonMessage; + setHandlerCode(code); + setDraftedCode(code); + break; + } + case "targets:staged": + setStagedItems(lastJsonMessage.items); + break; + case "events:add": + setEvents(events.concat(lastJsonMessage.events)); + break; + case "memory:read-result": + const { result } = lastJsonMessage; + deliverR2ReadResponse((result !== null) ? new Uint8Array(result) : null); + break; + default: + console.log("TODO:", lastJsonMessage); + break; + } + }, [lastJsonMessage]); + + useEffect(() => { + for (let i = events.length - 1; i !== -1; i--) { + const event = events[i]; + if (event[0] === selectedHandler) { + setLatestMatchingEventIndex(i); + return; + } + } + setLatestMatchingEventIndex(null); + }, [selectedHandler, events]); + + return { + lostConnection, + + spawnedProgram, + respawn, + mainModule, + + handlers, + selectedScope, + selectScope, + selectedHandler, + selectHandler, + handlerCode, + draftedCode, + setDraftedCode, + deployCode, + + events, + latestMatchingEventIndex, + highlightedEventIndex, + setHighlightedEventIndex, + + addingTargets, + startAddingTargets, + finishAddingTargets, + stageItems, + stagedItems, + commitItems, + }; +} + export enum TraceSpecScope { Function = "function", RelativeFunction = "relative-function", @@ -24,3 +183,51 @@ export type ScopeName = string; export type MemberName = string | [string, string]; export type Event = [targetId: HandlerId, timestamp: number, threadId: number, depth: number, message: string, style: string[]]; + +export interface NativeModule { + base: string; + name: string; + path: string; + size: number; +} + +type TracerMessage = + | TracerSyncMessage + | HandlersAddMessage + | HandlerLoadedMessage + | TargetsStagedMessage + | EventsAddMessage + | MemoryReadResultMessage + ; + +interface TracerSyncMessage { + type: "tracer:sync"; + spawned_program: string | null; + main_module: NativeModule, + handlers: Handler[]; +} + +interface HandlersAddMessage { + type: "handlers:add"; + handlers: Handler[]; +} + +interface HandlerLoadedMessage { + type: "handler:loaded"; + code: string; +} + +interface TargetsStagedMessage { + type: "targets:staged"; + items: StagedItem[]; +} + +interface EventsAddMessage { + type: "events:add"; + events: Event[]; +} + +interface MemoryReadResultMessage { + type: "memory:read-result"; + result: Uint8Array | null; +} diff --git a/apps/tracer/src/r2.d.ts b/apps/tracer/src/r2.d.ts new file mode 100644 index 0000000..12cb990 --- /dev/null +++ b/apps/tracer/src/r2.d.ts @@ -0,0 +1,51 @@ +// TypeScript bindings for emscripten-generated code. Automatically generated at compile time. +declare namespace RuntimeExports { + /** + * @param {string|null=} returnType + * @param {Array=} argTypes + * @param {Arguments|Array=} args + * @param {Object=} opts + */ + function ccall(ident: any, returnType?: (string | null) | undefined, argTypes?: any[] | undefined, args?: (Arguments | any[]) | undefined, opts?: any | undefined): any; + /** + * @param {string=} returnType + * @param {Array=} argTypes + * @param {Object=} opts + */ + function cwrap(ident: any, returnType?: string | undefined, argTypes?: any[] | undefined, opts?: any | undefined): any; + /** + * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the + * emscripten HEAP, returns a copy of that string as a Javascript String object. + * + * @param {number} ptr + * @param {number=} maxBytesToRead - An optional length that specifies the + * maximum number of bytes to read. You can omit this parameter to scan the + * string until the first 0 byte. If maxBytesToRead is passed, and the string + * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the + * string will cut short at that byte index (i.e. maxBytesToRead will not + * produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing + * frequent uses of UTF8ToString() with and without maxBytesToRead may throw + * JS JIT optimizations off, so it is worth to consider consistently using one + * @return {string} + */ + function UTF8ToString(ptr: number, maxBytesToRead?: number | undefined): string; + let HEAPF32: any; + let HEAPF64: any; + let HEAP_DATA_VIEW: any; + let HEAP8: any; + let HEAPU8: any; + let HEAP16: any; + let HEAPU16: any; + let HEAP32: any; + let HEAPU32: any; + let HEAP64: any; + let HEAPU64: any; +} +interface WasmModule { + _evaluate(_0: number): number; + _free(_0: number): void; + _main(_0: number, _1: number): number; +} + +export type MainModule = WasmModule & typeof RuntimeExports; +export default function MainModuleFactory (options?: unknown): Promise; diff --git a/apps/tracer/src/r2.js b/apps/tracer/src/r2.js new file mode 100644 index 0000000..452099b --- /dev/null +++ b/apps/tracer/src/r2.js @@ -0,0 +1,16 @@ + +var Module = (() => { + var _scriptName = import.meta.url; + + return ( +async function(moduleArg = {}) { + var moduleRtn; + +var Module=moduleArg;var readyPromiseResolve,readyPromiseReject;var readyPromise=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject});var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";if(ENVIRONMENT_IS_NODE){const{createRequire}=await import("module");var require=createRequire(import.meta.url)}var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var readAsync,readBinary;if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");scriptDirectory=require("url").fileURLToPath(new URL("./",import.meta.url));readBinary=filename=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);var ret=fs.readFileSync(filename);return ret};readAsync=(filename,binary=true)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return new Promise((resolve,reject)=>{fs.readFile(filename,binary?undefined:"utf8",(err,data)=>{if(err)reject(err);else resolve(binary?data.buffer:data)})})};if(!Module["thisProgram"]&&process.argv.length>1){thisProgram=process.argv[1].replace(/\\/g,"/")}arguments_=process.argv.slice(2);quit_=(status,toThrow)=>{process.exitCode=status;throw toThrow}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptName){scriptDirectory=_scriptName}if(scriptDirectory.startsWith("blob:")){scriptDirectory=""}else{scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}{if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=url=>{if(isFileURI(url)){return new Promise((resolve,reject)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){resolve(xhr.response);return}reject(xhr.status)};xhr.onerror=reject;xhr.send(null)})}return fetch(url,{credentials:"same-origin"}).then(response=>{if(response.ok){return response.arrayBuffer()}return Promise.reject(new Error(response.status+" : "+response.url))})}}}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.error.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];var wasmBinary=Module["wasmBinary"];var wasmMemory;var ABORT=false;var EXITSTATUS;function assert(condition,text){if(!condition){abort(text)}}var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.initialized)FS.init();FS.ignorePermissions=false;TTY.init();PIPEFS.root=FS.mount(PIPEFS,{},null);callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;Module["monitorRunDependencies"]?.(runDependencies)}function removeRunDependency(id){runDependencies--;Module["monitorRunDependencies"]?.(runDependencies);if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){Module["onAbort"]?.(what);what="Aborted("+what+")";err(what);ABORT=true;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var dataURIPrefix="data:application/octet-stream;base64,";var isDataURI=filename=>filename.startsWith(dataURIPrefix);var isFileURI=filename=>filename.startsWith("file://");function findWasmBinary(){if(Module["locateFile"]){var f="r2.wasm";if(!isDataURI(f)){return locateFile(f)}return f}return new URL("r2.wasm",import.meta.url).href}var wasmBinaryFile;function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}function getBinaryPromise(binaryFile){if(!wasmBinary){return readAsync(binaryFile).then(response=>new Uint8Array(response),()=>getBinarySync(binaryFile))}return Promise.resolve().then(()=>getBinarySync(binaryFile))}function instantiateArrayBuffer(binaryFile,imports,receiver){return getBinaryPromise(binaryFile).then(binary=>WebAssembly.instantiate(binary,imports)).then(receiver,reason=>{err(`failed to asynchronously prepare wasm: ${reason}`);abort(reason)})}function instantiateAsync(binary,binaryFile,imports,callback){if(!binary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(binaryFile)&&!isFileURI(binaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(binaryFile,{credentials:"same-origin"}).then(response=>{var result=WebAssembly.instantiateStreaming(response,imports);return result.then(callback,function(reason){err(`wasm streaming compile failed: ${reason}`);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(binaryFile,imports,callback)})})}return instantiateArrayBuffer(binaryFile,imports,callback)}function getWasmImports(){return{a:wasmImports}}function createWasm(){var info=getWasmImports();function receiveInstance(instance,module){wasmExports=instance.exports;wasmExports=Asyncify.instrumentWasmExports(wasmExports);wasmMemory=wasmExports["V"];updateMemoryViews();addOnInit(wasmExports["W"]);removeRunDependency("wasm-instantiate");return wasmExports}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}if(Module["instantiateWasm"]){try{return Module["instantiateWasm"](info,receiveInstance)}catch(e){err(`Module.instantiateWasm callback failed with error: ${e}`);readyPromiseReject(e)}}if(!wasmBinaryFile)wasmBinaryFile=findWasmBinary();instantiateAsync(wasmBinary,wasmBinaryFile,info,receiveInstantiationResult).catch(readyPromiseReject);return{}}var tempDouble;var tempI64;function __asyncjs__on_read(io,fd,buf,count){return Asyncify.handleAsync(async()=>{try{const bytes=await Module.onRead(Module.offset,count);const n=bytes.byteLength;HEAPU8.subarray(buf,buf+n).set(new Uint8Array(bytes));return n}catch(e){return-1}})}function update_offset(offset){Module.offset=offset;return 0}function ExitStatus(status){this.name="ExitStatus";this.message=`Program terminated with exit(${status})`;this.status=status}var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var noExitRuntime=Module["noExitRuntime"]||true;var stackRestore=val=>__emscripten_stack_restore(val);var stackSave=()=>_emscripten_stack_get_current();var UTF8Decoder=typeof TextDecoder!="undefined"?new TextDecoder:undefined;var UTF8ArrayToString=(heapOrArray,idx,maxBytesToRead)=>{var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heapOrArray[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str};var UTF8ToString=(ptr,maxBytesToRead)=>ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):"";var ___assert_fail=(condition,filename,line,func)=>{abort(`Assertion failed: ${UTF8ToString(condition)}, at: `+[filename?UTF8ToString(filename):"unknown filename",line,func?UTF8ToString(func):"unknown function"])};var ___call_sighandler=(fp,sig)=>(a1=>dynCall_vi(fp,a1))(sig);var PATH={isAbs:path=>path.charAt(0)==="/",splitPath:filename=>{var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:(parts,allowAboveRoot)=>{var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:path=>{var isAbsolute=PATH.isAbs(path),trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(p=>!!p),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:path=>{var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:path=>{if(path==="/")return"/";path=PATH.normalize(path);path=path.replace(/\/$/,"");var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},join:(...paths)=>PATH.normalize(paths.join("/")),join2:(l,r)=>PATH.normalize(l+"/"+r)};var initRandomFill=()=>{if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){return view=>crypto.getRandomValues(view)}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");var randomFillSync=crypto_module["randomFillSync"];if(randomFillSync){return view=>crypto_module["randomFillSync"](view)}var randomBytes=crypto_module["randomBytes"];return view=>(view.set(randomBytes(view.byteLength)),view)}catch(e){}}abort("initRandomDevice")};var randomFill=view=>(randomFill=initRandomFill())(view);var PATH_FS={resolve:(...args)=>{var resolvedPath="",resolvedAbsolute=false;for(var i=args.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?args[i]:FS.cwd();if(typeof path!="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=PATH.isAbs(path)}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(p=>!!p),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:(from,to)=>{from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i{var len=0;for(var i=0;i=55296&&c<=57343){len+=4;++i}else{len+=3}}return len};var stringToUTF8Array=(str,heap,outIdx,maxBytesToWrite)=>{if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx};function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var FS_stdin_getChar=()=>{if(!FS_stdin_getChar_buffer.length){var result=null;if(ENVIRONMENT_IS_NODE){var BUFSIZE=256;var buf=Buffer.alloc(BUFSIZE);var bytesRead=0;var fd=process.stdin.fd;try{bytesRead=fs.readSync(fd,buf,0,BUFSIZE)}catch(e){if(e.toString().includes("EOF"))bytesRead=0;else throw e}if(bytesRead>0){result=buf.slice(0,bytesRead).toString("utf-8")}}else if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else{}if(!result){return null}FS_stdin_getChar_buffer=intArrayFromString(result,true)}return FS_stdin_getChar_buffer.shift()};var TTY={ttys:[],init(){},shutdown(){},register(dev,ops){TTY.ttys[dev]={input:[],output:[],ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close(stream){stream.tty.ops.fsync(stream.tty)},fsync(stream){stream.tty.ops.fsync(stream.tty)},read(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}},ioctl_tcgets(tty){return{c_iflag:25856,c_oflag:5,c_cflag:191,c_lflag:35387,c_cc:[3,28,127,21,4,0,1,0,17,19,26,0,18,15,23,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}},ioctl_tcsets(tty,optional_actions,data){return 0},ioctl_tiocgwinsz(tty){return[24,80]}},default_tty1_ops:{put_char(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};var zeroMemory=(address,size)=>{HEAPU8.fill(0,address,address+size);return address};var alignMemory=(size,alignment)=>Math.ceil(size/alignment)*alignment;var mmapAlloc=size=>{size=alignMemory(size,65536);var ptr=_emscripten_builtin_memalign(65536,size);if(!ptr)return 0;return zeroMemory(ptr,size)};var MEMFS={ops_table:null,mount(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}MEMFS.ops_table||={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}};var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup(parent,name){throw FS.genericErrors[44]},mknod(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp},unlink(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir(node){var entries=[".",".."];for(var key of Object.keys(node.contents)){entries.push(key)}return entries},symlink(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i0||position+length{var dep=!noRunDep?getUniqueRunDependency(`al ${url}`):"";readAsync(url).then(arrayBuffer=>{onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},err=>{if(onerror){onerror()}else{throw`Loading data file "${url}" failed.`}});if(dep)addRunDependency(dep)};var FS_createDataFile=(parent,name,fileData,canRead,canWrite,canOwn)=>{FS.createDataFile(parent,name,fileData,canRead,canWrite,canOwn)};var preloadPlugins=Module["preloadPlugins"]||[];var FS_handledByPreloadPlugin=(byteArray,fullname,finish,onerror)=>{if(typeof Browser!="undefined")Browser.init();var handled=false;preloadPlugins.forEach(plugin=>{if(handled)return;if(plugin["canHandle"](fullname)){plugin["handle"](byteArray,fullname,finish,onerror);handled=true}});return handled};var FS_createPreloadedFile=(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency(`cp ${fullname}`);function processData(byteArray){function finish(byteArray){preFinish?.();if(!dontCreateFile){FS_createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}onload?.();removeRunDependency(dep)}if(FS_handledByPreloadPlugin(byteArray,fullname,finish,()=>{onerror?.();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,processData,onerror)}else{processData(url)}};var FS_modeStringToFlags=str=>{var flagModes={r:0,"r+":2,w:512|64|1,"w+":512|64|2,a:1024|64|1,"a+":1024|64|2};var flags=flagModes[str];if(typeof flags=="undefined"){throw new Error(`Unknown file open mode: ${str}`)}return flags};var FS_getMode=(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode};var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:class{constructor(errno){this.name="ErrnoError";this.errno=errno}},genericErrors:{},filesystems:null,syncFSRequests:0,FSStream:class{constructor(){this.shared={}}get object(){return this.node}set object(val){this.node=val}get isRead(){return(this.flags&2097155)!==1}get isWrite(){return(this.flags&2097155)!==0}get isAppend(){return this.flags&1024}get flags(){return this.shared.flags}set flags(val){this.shared.flags=val}get position(){return this.shared.position}set position(val){this.shared.position=val}},FSNode:class{constructor(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev;this.readMode=292|73;this.writeMode=146}get read(){return(this.mode&this.readMode)===this.readMode}set read(val){val?this.mode|=this.readMode:this.mode&=~this.readMode}get write(){return(this.mode&this.writeMode)===this.writeMode}set write(val){val?this.mode|=this.writeMode:this.mode&=~this.writeMode}get isFolder(){return FS.isDir(this.mode)}get isDevice(){return FS.isChrdev(this.mode)}},lookupPath(path,opts={}){path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?`${mount}/${path}`:mount+path}path=path?`${node.name}/${path}`:node.name;node=node.parent}},hashName(parentid,name){var hash=0;for(var i=0;i>>0)%FS.nameTable.length},hashAddNode(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode(parent,name){var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode(parent,name,mode,rdev){var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode(node){FS.hashRemoveNode(node)},isRoot(node){return node===node.parent},isMountpoint(node){return!!node.mounted},isFile(mode){return(mode&61440)===32768},isDir(mode){return(mode&61440)===16384},isLink(mode){return(mode&61440)===40960},isChrdev(mode){return(mode&61440)===8192},isBlkdev(mode){return(mode&61440)===24576},isFIFO(mode){return(mode&61440)===4096},isSocket(mode){return(mode&49152)===49152},flagsToPermissionString(flag){var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions(node,perms){if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup(dir){if(!FS.isDir(dir.mode))return 54;var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate(dir,name){try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd(){for(var fd=0;fd<=FS.MAX_OPEN_FDS;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStreamChecked(fd){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}return stream},getStream:fd=>FS.streams[fd],createStream(stream,fd=-1){stream=Object.assign(new FS.FSStream,stream);if(fd==-1){fd=FS.nextfd()}stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream(fd){FS.streams[fd]=null},dupStream(origStream,fd=-1){var stream=FS.createStream(origStream,fd);stream.stream_ops?.dup?.(stream);return stream},chrdev_stream_ops:{open(stream){var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;stream.stream_ops.open?.(stream)},llseek(){throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice(dev,ops){FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts(mount){var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push(...m.mounts)}return mounts},syncfs(populate,callback){if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`)}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount(type,opts,mountpoint){var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type,opts,mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(hash=>{var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup(parent,name){return parent.node_ops.lookup(parent,name)},mknod(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create(path,mode){mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir(path,mode){mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree(path,mode){var dirs=path.split("/");var d="";for(var i=0;iFS.currentPath,chdir(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories(){FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices(){FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var randomBuffer=new Uint8Array(1024),randomLeft=0;var randomByte=()=>{if(randomLeft===0){randomLeft=randomFill(randomBuffer).byteLength}return randomBuffer[--randomLeft]};FS.createDevice("/dev","random",randomByte);FS.createDevice("/dev","urandom",randomByte);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")},createSpecialDirectories(){FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount(){var node=FS.createNode(proc_self,"fd",16384|511,73);node.node_ops={lookup(parent,name){var fd=+name;var stream=FS.getStreamChecked(fd);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams(input,output,error){if(input){FS.createDevice("/dev","stdin",input)}else{FS.symlink("/dev/tty","/dev/stdin")}if(output){FS.createDevice("/dev","stdout",null,output)}else{FS.symlink("/dev/tty","/dev/stdout")}if(error){FS.createDevice("/dev","stderr",null,error)}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},staticInit(){[44].forEach(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack=""});FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={MEMFS}},init(input,output,error){FS.initialized=true;input??=Module["stdin"];output??=Module["stdout"];error??=Module["stderr"];FS.createStandardStreams(input,output,error)},quit(){FS.initialized=false;for(var i=0;ithis.length-1||idx<0){return undefined}var chunkOffset=idx%this.chunkSize;var chunkNum=idx/this.chunkSize|0;return this.getter(chunkNum)[chunkOffset]}setDataGetter(getter){this.getter=getter}cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true}get length(){if(!this.lengthKnown){this.cacheLength()}return this._length}get chunkSize(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=(...args)=>{FS.forceLoadFile(node);return fn(...args)}});function writeChunks(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i{FS.forceLoadFile(node);return writeChunks(stream,buffer,offset,length,position)};stream_ops.mmap=(stream,length,position,prot,flags)=>{FS.forceLoadFile(node);var ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}writeChunks(stream,HEAP8,ptr,length,position);return{ptr,allocated:true}};node.stream_ops=stream_ops;return node}};var SYSCALLS={DEFAULT_POLLMASK:5,calculateAt(dirfd,path,allowEmpty){if(PATH.isAbs(path)){return path}var dir;if(dirfd===-100){dir=FS.cwd()}else{var dirstream=SYSCALLS.getStreamFromFD(dirfd);dir=dirstream.path}if(path.length==0){if(!allowEmpty){throw new FS.ErrnoError(44)}return dir}return PATH.join2(dir,path)},doStat(func,path,buf){var stat=func(path);HEAP32[buf>>2]=stat.dev;HEAP32[buf+4>>2]=stat.mode;HEAPU32[buf+8>>2]=stat.nlink;HEAP32[buf+12>>2]=stat.uid;HEAP32[buf+16>>2]=stat.gid;HEAP32[buf+20>>2]=stat.rdev;tempI64=[stat.size>>>0,(tempDouble=stat.size,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+24>>2]=tempI64[0],HEAP32[buf+28>>2]=tempI64[1];HEAP32[buf+32>>2]=4096;HEAP32[buf+36>>2]=stat.blocks;var atime=stat.atime.getTime();var mtime=stat.mtime.getTime();var ctime=stat.ctime.getTime();tempI64=[Math.floor(atime/1e3)>>>0,(tempDouble=Math.floor(atime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+40>>2]=tempI64[0],HEAP32[buf+44>>2]=tempI64[1];HEAPU32[buf+48>>2]=atime%1e3*1e3*1e3;tempI64=[Math.floor(mtime/1e3)>>>0,(tempDouble=Math.floor(mtime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+56>>2]=tempI64[0],HEAP32[buf+60>>2]=tempI64[1];HEAPU32[buf+64>>2]=mtime%1e3*1e3*1e3;tempI64=[Math.floor(ctime/1e3)>>>0,(tempDouble=Math.floor(ctime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+72>>2]=tempI64[0],HEAP32[buf+76>>2]=tempI64[1];HEAPU32[buf+80>>2]=ctime%1e3*1e3*1e3;tempI64=[stat.ino>>>0,(tempDouble=stat.ino,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+88>>2]=tempI64[0],HEAP32[buf+92>>2]=tempI64[1];return 0},doMsync(addr,stream,len,flags,offset){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(flags&2){return 0}var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,len,flags)},getStreamFromFD(fd){var stream=FS.getStreamChecked(fd);return stream},varargs:undefined,getStr(ptr){var ret=UTF8ToString(ptr);return ret}};function ___syscall__newselect(nfds,readfds,writefds,exceptfds,timeout){try{var total=0;var srcReadLow=readfds?HEAP32[readfds>>2]:0,srcReadHigh=readfds?HEAP32[readfds+4>>2]:0;var srcWriteLow=writefds?HEAP32[writefds>>2]:0,srcWriteHigh=writefds?HEAP32[writefds+4>>2]:0;var srcExceptLow=exceptfds?HEAP32[exceptfds>>2]:0,srcExceptHigh=exceptfds?HEAP32[exceptfds+4>>2]:0;var dstReadLow=0,dstReadHigh=0;var dstWriteLow=0,dstWriteHigh=0;var dstExceptLow=0,dstExceptHigh=0;var allLow=(readfds?HEAP32[readfds>>2]:0)|(writefds?HEAP32[writefds>>2]:0)|(exceptfds?HEAP32[exceptfds>>2]:0);var allHigh=(readfds?HEAP32[readfds+4>>2]:0)|(writefds?HEAP32[writefds+4>>2]:0)|(exceptfds?HEAP32[exceptfds+4>>2]:0);var check=function(fd,low,high,val){return fd<32?low&val:high&val};for(var fd=0;fd>2]:0,tv_usec=readfds?HEAP32[timeout+4>>2]:0;timeoutInMillis=(tv_sec+tv_usec/1e6)*1e3}flags=stream.stream_ops.poll(stream,timeoutInMillis)}if(flags&1&&check(fd,srcReadLow,srcReadHigh,mask)){fd<32?dstReadLow=dstReadLow|mask:dstReadHigh=dstReadHigh|mask;total++}if(flags&4&&check(fd,srcWriteLow,srcWriteHigh,mask)){fd<32?dstWriteLow=dstWriteLow|mask:dstWriteHigh=dstWriteHigh|mask;total++}if(flags&2&&check(fd,srcExceptLow,srcExceptHigh,mask)){fd<32?dstExceptLow=dstExceptLow|mask:dstExceptHigh=dstExceptHigh|mask;total++}}if(readfds){HEAP32[readfds>>2]=dstReadLow;HEAP32[readfds+4>>2]=dstReadHigh}if(writefds){HEAP32[writefds>>2]=dstWriteLow;HEAP32[writefds+4>>2]=dstWriteHigh}if(exceptfds){HEAP32[exceptfds>>2]=dstExceptLow;HEAP32[exceptfds+4>>2]=dstExceptHigh}return total}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_chdir(path){try{path=SYSCALLS.getStr(path);FS.chdir(path);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_dup(fd){try{var old=SYSCALLS.getStreamFromFD(fd);return FS.dupStream(old).fd}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_dup3(fd,newfd,flags){try{var old=SYSCALLS.getStreamFromFD(fd);if(old.fd===newfd)return-28;if(newfd<0||newfd>=FS.MAX_OPEN_FDS)return-8;var existing=FS.getStream(newfd);if(existing)FS.close(existing);return FS.dupStream(old,newfd).fd}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function syscallGetVarargI(){var ret=HEAP32[+SYSCALLS.varargs>>2];SYSCALLS.varargs+=4;return ret}var syscallGetVarargP=syscallGetVarargI;function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=syscallGetVarargI();if(arg<0){return-28}while(FS.streams[arg]){arg++}var newStream;newStream=FS.dupStream(stream,arg);return newStream.fd}case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=syscallGetVarargI();stream.flags|=arg;return 0}case 12:{var arg=syscallGetVarargP();var offset=0;HEAP16[arg+offset>>1]=2;return 0}case 13:case 14:return 0}return-28}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_fstat64(fd,buf){try{var stream=SYSCALLS.getStreamFromFD(fd);return SYSCALLS.doStat(FS.stat,stream.path,buf)}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var convertI32PairToI53Checked=(lo,hi)=>hi+2097152>>>0<4194305-!!lo?(lo>>>0)+hi*4294967296:NaN;function ___syscall_ftruncate64(fd,length_low,length_high){var length=convertI32PairToI53Checked(length_low,length_high);try{if(isNaN(length))return 61;FS.ftruncate(fd,length);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var stringToUTF8=(str,outPtr,maxBytesToWrite)=>stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite);function ___syscall_getcwd(buf,size){try{if(size===0)return-28;var cwd=FS.cwd();var cwdLengthInBytes=lengthBytesUTF8(cwd)+1;if(size>>0,(tempDouble=id,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[dirp+pos>>2]=tempI64[0],HEAP32[dirp+pos+4>>2]=tempI64[1];tempI64=[(idx+1)*struct_size>>>0,(tempDouble=(idx+1)*struct_size,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[dirp+pos+8>>2]=tempI64[0],HEAP32[dirp+pos+12>>2]=tempI64[1];HEAP16[dirp+pos+16>>1]=280;HEAP8[dirp+pos+18]=type;stringToUTF8(name,dirp+pos+19,256);pos+=struct_size;idx+=1}FS.llseek(stream,idx*struct_size,0);return pos}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:{if(!stream.tty)return-59;return 0}case 21505:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tcgets){var termios=stream.tty.ops.ioctl_tcgets(stream);var argp=syscallGetVarargP();HEAP32[argp>>2]=termios.c_iflag||0;HEAP32[argp+4>>2]=termios.c_oflag||0;HEAP32[argp+8>>2]=termios.c_cflag||0;HEAP32[argp+12>>2]=termios.c_lflag||0;for(var i=0;i<32;i++){HEAP8[argp+i+17]=termios.c_cc[i]||0}return 0}return 0}case 21510:case 21511:case 21512:{if(!stream.tty)return-59;return 0}case 21506:case 21507:case 21508:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tcsets){var argp=syscallGetVarargP();var c_iflag=HEAP32[argp>>2];var c_oflag=HEAP32[argp+4>>2];var c_cflag=HEAP32[argp+8>>2];var c_lflag=HEAP32[argp+12>>2];var c_cc=[];for(var i=0;i<32;i++){c_cc.push(HEAP8[argp+i+17])}return stream.tty.ops.ioctl_tcsets(stream.tty,op,{c_iflag,c_oflag,c_cflag,c_lflag,c_cc})}return 0}case 21519:{if(!stream.tty)return-59;var argp=syscallGetVarargP();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21531:{var argp=syscallGetVarargP();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tiocgwinsz){var winsize=stream.tty.ops.ioctl_tiocgwinsz(stream.tty);var argp=syscallGetVarargP();HEAP16[argp>>1]=winsize[0];HEAP16[argp+2>>1]=winsize[1]}return 0}case 21524:{if(!stream.tty)return-59;return 0}case 21515:{if(!stream.tty)return-59;return 0}default:return-28}}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_lstat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.lstat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_mkdirat(dirfd,path,mode){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);path=PATH.normalize(path);if(path[path.length-1]==="/")path=path.substr(0,path.length-1);FS.mkdir(path,mode,0);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_mknodat(dirfd,path,mode,dev){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);switch(mode&61440){case 32768:case 8192:case 24576:case 4096:case 49152:break;default:return-28}FS.mknod(path,mode,dev);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_newfstatat(dirfd,path,buf,flags){try{path=SYSCALLS.getStr(path);var nofollow=flags&256;var allowEmpty=flags&4096;flags=flags&~6400;path=SYSCALLS.calculateAt(dirfd,path,allowEmpty);return SYSCALLS.doStat(nofollow?FS.lstat:FS.stat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs;try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);var mode=varargs?syscallGetVarargI():0;return FS.open(path,flags,mode).fd}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var PIPEFS={BUCKET_BUFFER_SIZE:8192,mount(mount){return FS.createNode(null,"/",16384|511,0)},createPipe(){var pipe={buckets:[],refcnt:2};pipe.buckets.push({buffer:new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),offset:0,roffset:0});var rName=PIPEFS.nextname();var wName=PIPEFS.nextname();var rNode=FS.createNode(PIPEFS.root,rName,4096,0);var wNode=FS.createNode(PIPEFS.root,wName,4096,0);rNode.pipe=pipe;wNode.pipe=pipe;var readableStream=FS.createStream({path:rName,node:rNode,flags:0,seekable:false,stream_ops:PIPEFS.stream_ops});rNode.stream=readableStream;var writableStream=FS.createStream({path:wName,node:wNode,flags:1,seekable:false,stream_ops:PIPEFS.stream_ops});wNode.stream=writableStream;return{readable_fd:readableStream.fd,writable_fd:writableStream.fd}},stream_ops:{poll(stream){var pipe=stream.node.pipe;if((stream.flags&2097155)===1){return 256|4}if(pipe.buckets.length>0){for(var i=0;i0){return 64|1}}}return 0},ioctl(stream,request,varargs){return 28},fsync(stream){return 28},read(stream,buffer,offset,length,position){var pipe=stream.node.pipe;var currentLength=0;for(var i=0;i=dataLen){currBucket.buffer.set(data,currBucket.offset);currBucket.offset+=dataLen;return dataLen}else if(freeBytesInCurrBuffer>0){currBucket.buffer.set(data.subarray(0,freeBytesInCurrBuffer),currBucket.offset);currBucket.offset+=freeBytesInCurrBuffer;data=data.subarray(freeBytesInCurrBuffer,data.byteLength)}var numBuckets=data.byteLength/PIPEFS.BUCKET_BUFFER_SIZE|0;var remElements=data.byteLength%PIPEFS.BUCKET_BUFFER_SIZE;for(var i=0;i0){var newBucket={buffer:new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),offset:data.byteLength,roffset:0};pipe.buckets.push(newBucket);newBucket.buffer.set(data)}return dataLen},close(stream){var pipe=stream.node.pipe;pipe.refcnt--;if(pipe.refcnt===0){pipe.buckets=null}}},nextname(){if(!PIPEFS.nextname.current){PIPEFS.nextname.current=0}return"pipe["+PIPEFS.nextname.current+++"]"}};function ___syscall_pipe(fdPtr){try{if(fdPtr==0){throw new FS.ErrnoError(21)}var res=PIPEFS.createPipe();HEAP32[fdPtr>>2]=res.readable_fd;HEAP32[fdPtr+4>>2]=res.writable_fd;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_readlinkat(dirfd,path,buf,bufsize){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(bufsize<=0)return-28;var ret=FS.readlink(path);var len=Math.min(bufsize,lengthBytesUTF8(ret));var endChar=HEAP8[buf+len];stringToUTF8(ret,buf,bufsize+1);HEAP8[buf+len]=endChar;return len}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_renameat(olddirfd,oldpath,newdirfd,newpath){try{oldpath=SYSCALLS.getStr(oldpath);newpath=SYSCALLS.getStr(newpath);oldpath=SYSCALLS.calculateAt(olddirfd,oldpath);newpath=SYSCALLS.calculateAt(newdirfd,newpath);FS.rename(oldpath,newpath);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_rmdir(path){try{path=SYSCALLS.getStr(path);FS.rmdir(path);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_stat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.stat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_truncate64(path,length_low,length_high){var length=convertI32PairToI53Checked(length_low,length_high);try{if(isNaN(length))return 61;path=SYSCALLS.getStr(path);FS.truncate(path,length);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_unlinkat(dirfd,path,flags){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(flags===0){FS.unlink(path)}else if(flags===512){FS.rmdir(path)}else{abort("Invalid flags passed to unlinkat")}return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var __abort_js=()=>{abort("")};var __emscripten_runtime_keepalive_clear=()=>{noExitRuntime=false;runtimeKeepaliveCounter=0};function __gmtime_js(time_low,time_high,tmPtr){var time=convertI32PairToI53Checked(time_low,time_high);var date=new Date(time*1e3);HEAP32[tmPtr>>2]=date.getUTCSeconds();HEAP32[tmPtr+4>>2]=date.getUTCMinutes();HEAP32[tmPtr+8>>2]=date.getUTCHours();HEAP32[tmPtr+12>>2]=date.getUTCDate();HEAP32[tmPtr+16>>2]=date.getUTCMonth();HEAP32[tmPtr+20>>2]=date.getUTCFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getUTCDay();var start=Date.UTC(date.getUTCFullYear(),0,1,0,0,0,0);var yday=(date.getTime()-start)/(1e3*60*60*24)|0;HEAP32[tmPtr+28>>2]=yday}var isLeapYear=year=>year%4===0&&(year%100!==0||year%400===0);var MONTH_DAYS_LEAP_CUMULATIVE=[0,31,60,91,121,152,182,213,244,274,305,335];var MONTH_DAYS_REGULAR_CUMULATIVE=[0,31,59,90,120,151,181,212,243,273,304,334];var ydayFromDate=date=>{var leap=isLeapYear(date.getFullYear());var monthDaysCumulative=leap?MONTH_DAYS_LEAP_CUMULATIVE:MONTH_DAYS_REGULAR_CUMULATIVE;var yday=monthDaysCumulative[date.getMonth()]+date.getDate()-1;return yday};function __localtime_js(time_low,time_high,tmPtr){var time=convertI32PairToI53Checked(time_low,time_high);var date=new Date(time*1e3);HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getDay();var yday=ydayFromDate(date)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr+36>>2]=-(date.getTimezoneOffset()*60);var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dst=(summerOffset!=winterOffset&&date.getTimezoneOffset()==Math.min(winterOffset,summerOffset))|0;HEAP32[tmPtr+32>>2]=dst}var setTempRet0=val=>__emscripten_tempret_set(val);var __mktime_js=function(tmPtr){var ret=(()=>{var date=new Date(HEAP32[tmPtr+20>>2]+1900,HEAP32[tmPtr+16>>2],HEAP32[tmPtr+12>>2],HEAP32[tmPtr+8>>2],HEAP32[tmPtr+4>>2],HEAP32[tmPtr>>2],0);var dst=HEAP32[tmPtr+32>>2];var guessedOffset=date.getTimezoneOffset();var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dstOffset=Math.min(winterOffset,summerOffset);if(dst<0){HEAP32[tmPtr+32>>2]=Number(summerOffset!=winterOffset&&dstOffset==guessedOffset)}else if(dst>0!=(dstOffset==guessedOffset)){var nonDstOffset=Math.max(winterOffset,summerOffset);var trueOffset=dst>0?dstOffset:nonDstOffset;date.setTime(date.getTime()+(trueOffset-guessedOffset)*6e4)}HEAP32[tmPtr+24>>2]=date.getDay();var yday=ydayFromDate(date)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getYear();var timeMs=date.getTime();if(isNaN(timeMs)){return-1}return timeMs/1e3})();return setTempRet0((tempDouble=ret,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)),ret>>>0};function __mmap_js(len,prot,flags,fd,offset_low,offset_high,allocated,addr){var offset=convertI32PairToI53Checked(offset_low,offset_high);try{if(isNaN(offset))return 61;var stream=SYSCALLS.getStreamFromFD(fd);var res=FS.mmap(stream,len,offset,prot,flags);var ptr=res.ptr;HEAP32[allocated>>2]=res.allocated;HEAPU32[addr>>2]=ptr;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function __munmap_js(addr,len,prot,flags,fd,offset_low,offset_high){var offset=convertI32PairToI53Checked(offset_low,offset_high);try{var stream=SYSCALLS.getStreamFromFD(fd);if(prot&2){SYSCALLS.doMsync(addr,stream,len,flags,offset)}}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var timers={};var handleException=e=>{if(e instanceof ExitStatus||e=="unwind"){return EXITSTATUS}quit_(1,e)};var runtimeKeepaliveCounter=0;var keepRuntimeAlive=()=>noExitRuntime||runtimeKeepaliveCounter>0;var _proc_exit=code=>{EXITSTATUS=code;if(!keepRuntimeAlive()){Module["onExit"]?.(code);ABORT=true}quit_(code,new ExitStatus(code))};var exitJS=(status,implicit)=>{EXITSTATUS=status;_proc_exit(status)};var _exit=exitJS;var maybeExit=()=>{if(!keepRuntimeAlive()){try{_exit(EXITSTATUS)}catch(e){handleException(e)}}};var callUserCallback=func=>{if(ABORT){return}try{func();maybeExit()}catch(e){handleException(e)}};var _emscripten_get_now;_emscripten_get_now=()=>performance.now();var __setitimer_js=(which,timeout_ms)=>{if(timers[which]){clearTimeout(timers[which].id);delete timers[which]}if(!timeout_ms)return 0;var id=setTimeout(()=>{delete timers[which];callUserCallback(()=>__emscripten_timeout(which,_emscripten_get_now()))},timeout_ms);timers[which]={id,timeout_ms};return 0};var __tzset_js=(timezone,daylight,std_name,dst_name)=>{var currentYear=(new Date).getFullYear();var winter=new Date(currentYear,0,1);var summer=new Date(currentYear,6,1);var winterOffset=winter.getTimezoneOffset();var summerOffset=summer.getTimezoneOffset();var stdTimezoneOffset=Math.max(winterOffset,summerOffset);HEAPU32[timezone>>2]=stdTimezoneOffset*60;HEAP32[daylight>>2]=Number(winterOffset!=summerOffset);var extractZone=timezoneOffset=>{var sign=timezoneOffset>=0?"-":"+";var absOffset=Math.abs(timezoneOffset);var hours=String(Math.floor(absOffset/60)).padStart(2,"0");var minutes=String(absOffset%60).padStart(2,"0");return`UTC${sign}${hours}${minutes}`};var winterName=extractZone(winterOffset);var summerName=extractZone(summerOffset);if(summerOffsetDate.now();var abortOnCannotGrowMemory=requestedSize=>{abort("OOM")};var _emscripten_resize_heap=requestedSize=>{var oldSize=HEAPU8.length;requestedSize>>>=0;abortOnCannotGrowMemory(requestedSize)};var ENV={};var getExecutableName=()=>thisProgram||"./this.program";var getEnvStrings=()=>{if(!getEnvStrings.strings){var lang=(typeof navigator=="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={USER:"web_user",LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:lang,_:getExecutableName()};for(var x in ENV){if(ENV[x]===undefined)delete env[x];else env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(`${x}=${env[x]}`)}getEnvStrings.strings=strings}return getEnvStrings.strings};var stringToAscii=(str,buffer)=>{for(var i=0;i{var bufSize=0;getEnvStrings().forEach((string,i)=>{var ptr=environ_buf+bufSize;HEAPU32[__environ+i*4>>2]=ptr;stringToAscii(string,ptr);bufSize+=string.length+1});return 0};var _environ_sizes_get=(penviron_count,penviron_buf_size)=>{var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(string=>bufSize+=string.length+1);HEAPU32[penviron_buf_size>>2]=bufSize;return 0};function _fd_close(fd){try{var stream=SYSCALLS.getStreamFromFD(fd);FS.close(stream);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}function _fd_fdstat_get(fd,pbuf){try{var rightsBase=0;var rightsInheriting=0;var flags=0;{var stream=SYSCALLS.getStreamFromFD(fd);var type=stream.tty?2:FS.isDir(stream.mode)?3:FS.isLink(stream.mode)?7:4}HEAP8[pbuf]=type;HEAP16[pbuf+2>>1]=flags;tempI64=[rightsBase>>>0,(tempDouble=rightsBase,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[pbuf+8>>2]=tempI64[0],HEAP32[pbuf+12>>2]=tempI64[1];tempI64=[rightsInheriting>>>0,(tempDouble=rightsInheriting,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[pbuf+16>>2]=tempI64[0],HEAP32[pbuf+20>>2]=tempI64[1];return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var doReadv=(stream,iov,iovcnt,offset)=>{var ret=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.read(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}function _fd_seek(fd,offset_low,offset_high,whence,newOffset){var offset=convertI32PairToI53Checked(offset_low,offset_high);try{if(isNaN(offset))return 61;var stream=SYSCALLS.getStreamFromFD(fd);FS.llseek(stream,offset,whence);tempI64=[stream.position>>>0,(tempDouble=stream.position,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[newOffset>>2]=tempI64[0],HEAP32[newOffset+4>>2]=tempI64[1];if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var doWritev=(stream,iov,iovcnt,offset)=>{var ret=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.write(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var runAndAbortIfError=func=>{try{return func()}catch(e){abort(e)}};var runtimeKeepalivePush=()=>{runtimeKeepaliveCounter+=1};var runtimeKeepalivePop=()=>{runtimeKeepaliveCounter-=1};var Asyncify={instrumentWasmImports(imports){var importPattern=/^(invoke_.*|__asyncjs__.*)$/;for(let[x,original]of Object.entries(imports)){if(typeof original=="function"){let isAsyncifyImport=original.isAsync||importPattern.test(x)}}},instrumentWasmExports(exports){var ret={};for(let[x,original]of Object.entries(exports)){if(typeof original=="function"){ret[x]=(...args)=>{Asyncify.exportCallStack.push(x);try{return original(...args)}finally{if(!ABORT){var y=Asyncify.exportCallStack.pop();Asyncify.maybeStopUnwind()}}}}else{ret[x]=original}}return ret},State:{Normal:0,Unwinding:1,Rewinding:2,Disabled:3},state:0,StackSize:4096,currData:null,handleSleepReturnValue:0,exportCallStack:[],callStackNameToId:{},callStackIdToName:{},callStackId:0,asyncPromiseHandlers:null,sleepCallbacks:[],getCallStackId(funcName){var id=Asyncify.callStackNameToId[funcName];if(id===undefined){id=Asyncify.callStackId++;Asyncify.callStackNameToId[funcName]=id;Asyncify.callStackIdToName[id]=funcName}return id},maybeStopUnwind(){if(Asyncify.currData&&Asyncify.state===Asyncify.State.Unwinding&&Asyncify.exportCallStack.length===0){Asyncify.state=Asyncify.State.Normal;runAndAbortIfError(_asyncify_stop_unwind);if(typeof Fibers!="undefined"){Fibers.trampoline()}}},whenDone(){return new Promise((resolve,reject)=>{Asyncify.asyncPromiseHandlers={resolve,reject}})},allocateData(){var ptr=_malloc(12+Asyncify.StackSize);Asyncify.setDataHeader(ptr,ptr+12,Asyncify.StackSize);Asyncify.setDataRewindFunc(ptr);return ptr},setDataHeader(ptr,stack,stackSize){HEAPU32[ptr>>2]=stack;HEAPU32[ptr+4>>2]=stack+stackSize},setDataRewindFunc(ptr){var bottomOfCallStack=Asyncify.exportCallStack[0];var rewindId=Asyncify.getCallStackId(bottomOfCallStack);HEAP32[ptr+8>>2]=rewindId},getDataRewindFuncName(ptr){var id=HEAP32[ptr+8>>2];var name=Asyncify.callStackIdToName[id];return name},getDataRewindFunc(name){var func=wasmExports[name];return func},doRewind(ptr){var name=Asyncify.getDataRewindFuncName(ptr);var func=Asyncify.getDataRewindFunc(name);return func()},handleSleep(startAsync){if(ABORT)return;if(Asyncify.state===Asyncify.State.Normal){var reachedCallback=false;var reachedAfterCallback=false;startAsync((handleSleepReturnValue=0)=>{if(ABORT)return;Asyncify.handleSleepReturnValue=handleSleepReturnValue;reachedCallback=true;if(!reachedAfterCallback){return}Asyncify.state=Asyncify.State.Rewinding;runAndAbortIfError(()=>_asyncify_start_rewind(Asyncify.currData));if(typeof Browser!="undefined"&&Browser.mainLoop.func){Browser.mainLoop.resume()}var asyncWasmReturnValue,isError=false;try{asyncWasmReturnValue=Asyncify.doRewind(Asyncify.currData)}catch(err){asyncWasmReturnValue=err;isError=true}var handled=false;if(!Asyncify.currData){var asyncPromiseHandlers=Asyncify.asyncPromiseHandlers;if(asyncPromiseHandlers){Asyncify.asyncPromiseHandlers=null;(isError?asyncPromiseHandlers.reject:asyncPromiseHandlers.resolve)(asyncWasmReturnValue);handled=true}}if(isError&&!handled){throw asyncWasmReturnValue}});reachedAfterCallback=true;if(!reachedCallback){Asyncify.state=Asyncify.State.Unwinding;Asyncify.currData=Asyncify.allocateData();if(typeof Browser!="undefined"&&Browser.mainLoop.func){Browser.mainLoop.pause()}runAndAbortIfError(()=>_asyncify_start_unwind(Asyncify.currData))}}else if(Asyncify.state===Asyncify.State.Rewinding){Asyncify.state=Asyncify.State.Normal;runAndAbortIfError(_asyncify_stop_rewind);_free(Asyncify.currData);Asyncify.currData=null;Asyncify.sleepCallbacks.forEach(callUserCallback)}else{abort(`invalid state: ${Asyncify.state}`)}return Asyncify.handleSleepReturnValue},handleAsync(startAsync){return Asyncify.handleSleep(wakeUp=>{startAsync().then(wakeUp)})}};var getCFunc=ident=>{var func=Module["_"+ident];return func};var writeArrayToMemory=(array,buffer)=>{HEAP8.set(array,buffer)};var stackAlloc=sz=>__emscripten_stack_alloc(sz);var stringToUTF8OnStack=str=>{var size=lengthBytesUTF8(str)+1;var ret=stackAlloc(size);stringToUTF8(str,ret,size);return ret};var ccall=(ident,returnType,argTypes,args,opts)=>{var toC={string:str=>{var ret=0;if(str!==null&&str!==undefined&&str!==0){ret=stringToUTF8OnStack(str)}return ret},array:arr=>{var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}};function convertReturnValue(ret){if(returnType==="string"){return UTF8ToString(ret)}if(returnType==="boolean")return Boolean(ret);return ret}var func=getCFunc(ident);var cArgs=[];var stack=0;if(args){for(var i=0;i{var numericArgs=!argTypes||argTypes.every(type=>type==="number"||type==="boolean");var numericRet=returnType!=="string";if(numericRet&&numericArgs&&!opts){return getCFunc(ident)}return(...args)=>ccall(ident,returnType,argTypes,args,opts)};FS.createPreloadedFile=FS_createPreloadedFile;FS.staticInit();var wasmImports={a:___assert_fail,U:__asyncjs__on_read,E:___call_sighandler,x:___syscall__newselect,R:___syscall_chdir,Q:___syscall_dup,P:___syscall_dup3,h:___syscall_fcntl64,O:___syscall_fstat64,t:___syscall_ftruncate64,K:___syscall_getcwd,C:___syscall_getdents64,e:___syscall_ioctl,L:___syscall_lstat64,J:___syscall_mkdirat,I:___syscall_mknodat,M:___syscall_newfstatat,j:___syscall_openat,G:___syscall_pipe,B:___syscall_readlinkat,y:___syscall_renameat,z:___syscall_rmdir,N:___syscall_stat64,l:___syscall_truncate64,A:___syscall_unlinkat,S:__abort_js,F:__emscripten_runtime_keepalive_clear,o:__gmtime_js,p:__localtime_js,q:__mktime_js,m:__mmap_js,n:__munmap_js,w:__setitimer_js,H:__tzset_js,k:_emscripten_date_now,f:_emscripten_get_now,v:_emscripten_resize_heap,s:_environ_get,D:_environ_sizes_get,c:_exit,b:_fd_close,i:_fd_fdstat_get,g:_fd_read,r:_fd_seek,d:_fd_write,T:_proc_exit,u:update_offset};var wasmExports=createWasm();var ___wasm_call_ctors=()=>(___wasm_call_ctors=wasmExports["W"])();var _evaluate=Module["_evaluate"]=a0=>(_evaluate=Module["_evaluate"]=wasmExports["X"])(a0);var _free=Module["_free"]=a0=>(_free=Module["_free"]=wasmExports["Y"])(a0);var _main=Module["_main"]=(a0,a1)=>(_main=Module["_main"]=wasmExports["Z"])(a0,a1);var _malloc=a0=>(_malloc=wasmExports["$"])(a0);var _emscripten_builtin_memalign=(a0,a1)=>(_emscripten_builtin_memalign=wasmExports["aa"])(a0,a1);var __emscripten_timeout=(a0,a1)=>(__emscripten_timeout=wasmExports["ba"])(a0,a1);var __emscripten_tempret_set=a0=>(__emscripten_tempret_set=wasmExports["ca"])(a0);var __emscripten_stack_restore=a0=>(__emscripten_stack_restore=wasmExports["da"])(a0);var __emscripten_stack_alloc=a0=>(__emscripten_stack_alloc=wasmExports["ea"])(a0);var _emscripten_stack_get_current=()=>(_emscripten_stack_get_current=wasmExports["fa"])();var dynCall_vi=Module["dynCall_vi"]=(a0,a1)=>(dynCall_vi=Module["dynCall_vi"]=wasmExports["ga"])(a0,a1);var _asyncify_start_unwind=a0=>(_asyncify_start_unwind=wasmExports["ha"])(a0);var _asyncify_stop_unwind=()=>(_asyncify_stop_unwind=wasmExports["ia"])();var _asyncify_start_rewind=a0=>(_asyncify_start_rewind=wasmExports["ja"])(a0);var _asyncify_stop_rewind=()=>(_asyncify_stop_rewind=wasmExports["ka"])();Module["ccall"]=ccall;Module["cwrap"]=cwrap;Module["UTF8ToString"]=UTF8ToString;var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function callMain(){var entryFunction=_main;var argc=0;var argv=0;try{var ret=entryFunction(argc,argv);exitJS(ret,true);return ret}catch(e){return handleException(e)}}function run(){if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();preMain();readyPromiseResolve(Module);Module["onRuntimeInitialized"]?.();if(shouldRunNow)callMain();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(()=>{setTimeout(()=>Module["setStatus"](""),1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}var shouldRunNow=true;if(Module["noInitialRun"])shouldRunNow=false;run();moduleRtn=readyPromise; + + + return moduleRtn; +} +); +})(); +export default Module; diff --git a/apps/tracer/src/use-r2.ts b/apps/tracer/src/use-r2.ts new file mode 100644 index 0000000..de8d9ab --- /dev/null +++ b/apps/tracer/src/use-r2.ts @@ -0,0 +1,103 @@ +import loadR2Module, { type MainModule } from "./r2.js"; +import { useCallback, useEffect, useRef } from "react"; + +export interface R2Props { + onReadRequest?: ReadRequestHandler; +} + +export type ReadRequestHandler = (address: string, size: number) => void; + +let state: "unloaded" | "loading" | "loaded" | "executing-command" = "unloaded"; +let r2Module: MainModule | null = null; +const pendingCommands: CommandRequest[] = []; +const pendingReads: ((result: Uint8Array | null) => void)[] = []; + +interface CommandRequest { + command: string; + onComplete(result: string): void; +} + +export function useR2({ onReadRequest }: R2Props = {}) { + const onReadRequestRef = useRef(); + + useEffect(() => { + if (onReadRequest === undefined) { + return; + } + + onReadRequestRef.current = onReadRequest; + + if (state === "unloaded") { + state = "loading"; + loadR2(onReadRequestRef as React.MutableRefObject); + } + }); + + const executeR2Command = useCallback((command: string) => { + return new Promise(resolve => { + pendingCommands.push({ + command, + onComplete: resolve, + }); + maybeProcessPendingCommands(); + }); + }, []); + + const deliverR2ReadResponse = useCallback((result: Uint8Array | null) => { + pendingReads.shift()!(result); + }, []); + + return { + executeR2Command, + deliverR2ReadResponse, + }; +} + +async function loadR2(onReadRequestRef: React.MutableRefObject) { + const r2 = await loadR2Module({ + noInitialRun: true, + offset: 0, + onRead(offset: number, size: number): Promise { + return new Promise((resolve, reject) => { + pendingReads.push(result => { + if (result !== null) { + resolve(result); + } else { + reject(new Error("read failed")); + } + }); + onReadRequestRef.current(offset.toString(), size); + }); + }, + }); + + await r2.ccall("main", "int", [], { async: true }); + + state = "loaded"; + r2Module = r2; + maybeProcessPendingCommands(); +} + +async function maybeProcessPendingCommands() { + if (state !== "loaded") { + return; + } + + state = "executing-command"; + + const r = r2Module!; + const evaluate = r.cwrap("evaluate", "number", ["string"], { async: true }); + + let req: CommandRequest | undefined; + while ((req = pendingCommands.shift()) !== undefined) { + const rawResult = await evaluate(req.command); + try { + const result = r.UTF8ToString(rawResult); + req.onComplete(result); + } finally { + r._free(rawResult) + } + } + + state = "loaded"; +} diff --git a/apps/tracer/vite.config.ts b/apps/tracer/vite.config.ts index 5a6daa5..513e96b 100644 --- a/apps/tracer/vite.config.ts +++ b/apps/tracer/vite.config.ts @@ -12,5 +12,13 @@ export default defineConfig({ assetFileNames: "assets/[name].[ext]" } } - } + }, + server: { + proxy: { + "^/src/r2\\.wasm": { + target: "http://localhost:8000", + rewrite: (path) => path.replace(/^\/src/, ""), + }, + } + }, }); diff --git a/frida_tools/tracer.py b/frida_tools/tracer.py index d01e3b3..ae4b412 100644 --- a/frida_tools/tracer.py +++ b/frida_tools/tracer.py @@ -330,12 +330,14 @@ async def _handle_websocket_connection(self, websocket: websockets.asyncio.serve message = { "type": "tracer:sync", "spawned_program": self._spawned_argv[0] if self._spawned_argv is not None else None, + "main_module": self._tracer.main_module, "handlers": [target.to_json() for target, source in self._handlers.values()], } await websocket.send(json.dumps(message)) while True: message = json.loads(await websocket.recv()) + mtype = message["type"] if mtype == "tracer:respawn": self._reactor.schedule(self._respawn) @@ -373,6 +375,13 @@ async def _handle_websocket_connection(self, websocket: websockets.asyncio.serve "handlers": [self._handlers[target_id][0].to_json() for target_id in target_ids], } await websocket.send(json.dumps(message)) + elif mtype == "memory:read": + data = self._tracer.read_memory(message["address"], message["size"]) + message = { + "type": "memory:read-result", + "result": list(data) if data is not None else None, + } + await websocket.send(json.dumps(message)) except: pass finally: @@ -519,6 +528,7 @@ def __init__( init_scripts=[], log_handler: Callable[[str, str], None] = None, ) -> None: + self.main_module = None self._reactor = reactor self._repository = repository self._profile = profile @@ -563,7 +573,7 @@ def on_update(target, handler, source) -> None: self._agent = script.exports_sync raw_init_scripts = [{"filename": script.filename, "source": script.source} for script in self._init_scripts] - self._agent.init(stage, parameters, raw_init_scripts, self._profile.spec) + self.main_module = self._agent.init(stage, parameters, raw_init_scripts, self._profile.spec) def stop(self) -> None: self._repository.close() @@ -582,6 +592,9 @@ def stage_targets(self, profile: TracerProfile) -> List: def commit_targets(self, identifier: Optional[int]) -> List: return self._agent.commit_targets(identifier) + def read_memory(self, address: str, size: int) -> bytes: + return self._agent.read_memory(address, size) + def _on_message(self, message, data, ui) -> None: handled = False