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Update Logcat.js #5

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264 changes: 180 additions & 84 deletions Logcat.js
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Original file line number Diff line number Diff line change
@@ -1,84 +1,180 @@
Java.performNow(function() {
let Log = Java.use("android.util.Log");
Log.d.overload("java.lang.String", "java.lang.String").implementation = function(a, b) {
console.log(a.toString());
console.log(b.toString());
return this.d(a, b);
};
Log.d.overload("java.lang.String", "java.lang.String", "java.lang.Throwable").implementation = function(a, b, c) {
console.log(a.toString());
console.log(b.toString());
return this.d(a, b, c);
};
Log.v.overload("java.lang.String", "java.lang.String").implementation = function(a, b) {
console.log(a.toString());
console.log(b.toString());
return this.v(a, b);
};
Log.v.overload("java.lang.String", "java.lang.String", "java.lang.Throwable").implementation = function(a, b, c) {
console.log(a.toString());
console.log(b.toString());
return this.v(a, b, c);
};
Log.i.overload("java.lang.String", "java.lang.String").implementation = function(a, b) {
console.log(a.toString());
console.log(b.toString());
return this.i(a, b);
};
Log.i.overload("java.lang.String", "java.lang.String", "java.lang.Throwable").implementation = function(a, b, c) {
console.log(a.toString());
console.log(b.toString());
return this.i(a, b, c);
};
Log.e.overload("java.lang.String", "java.lang.String").implementation = function(a, b) {
console.log(a.toString());
console.log(b.toString());
return this.e(a, b);
};
Log.e.overload("java.lang.String", "java.lang.String", "java.lang.Throwable").implementation = function(a, b, c) {
console.log(a.toString());
console.log(b.toString());
return this.e(a, b, c);
};
Log.w.overload("java.lang.String", "java.lang.String").implementation = function(a, b) {
console.log(a.toString());
console.log(b.toString());
return this.w(a, b);
};
Log.w.overload("java.lang.String", "java.lang.Throwable").implementation = function(a, b) {
console.log(a.toString());
return this.w(a, b);
};
Log.w.overload("java.lang.String", "java.lang.String", "java.lang.Throwable").implementation = function(a, b, c) {
console.log(a.toString());
console.log(b.toString());
return this.w(a, b, c);
};
Log.wtf.overload("java.lang.String", "java.lang.String").implementation = function(a, b) {
console.log(a.toString());
console.log(b.toString());
return this.wtf.overload("java.lang.String", "java.lang.String").call(this, a, b);
};
Log.println.overload("int", "java.lang.String", "java.lang.String").implementation = function(a, b, c) {
console.log(a.toString());
console.log(b.toString());
console.log(c.toString());
return this.println(a, b, c);
};
});
let LogPrint = Module.findExportByName("liblog.so", "__android_log_print");
let LogWrite = Module.findExportByName("liblog.so", "__android_log_write");
let LogVPrint = Module.findExportByName("liblog.so", "__android_log_vprint");
let LogAssert = Module.findExportByName("liblog.so", "__android_log_assert");
Interceptor.attach(LogPrint, function(args) {
console.log("Print : ", args[1].readCString(), args[2].readCString());
})
Interceptor.attach(LogWrite, function(args) {
console.log("Write : ", args[1].readCString(), args[2].readCString());
})
Interceptor.attach(LogVPrint, function(args) {
console.log("VPrint : ", args[1].readCString(), args[2].readCString());
})
Interceptor.attach(LogAssert, function(args) {
console.log("Assert : ", args[0].readCString(), args[1].readCString());
})
'use strict';

// === CONFIG ===
var LOG_TRACER_CONFIG = {
JAVA_LOG: true,
NATIVE_LOG: true,
MIN_PRIORITY: 3, // 2=V, 3=D, 4=I, 5=W, 6=E, 7=A
TAG_INCLUDE: null, // regex string, null = all. e.g. 'shopee|device|risk'
TAG_EXCLUDE: 'Choreographer|OpenGLRenderer|GraphicsStats|ViewRootImpl',
BODY_MAX: 2048,
RATE_LIMIT_PER_SEC: 200 // 0 = no limit
};

// === RATE LIMITER ===
var _rlBucket = 0, _rlWindow = 0;
function rateLimitOk() {
if (!LOG_TRACER_CONFIG.RATE_LIMIT_PER_SEC) return true;
var now = Math.floor(Date.now() / 1000);
if (now !== _rlWindow) { _rlWindow = now; _rlBucket = 0; }
if (_rlBucket >= LOG_TRACER_CONFIG.RATE_LIMIT_PER_SEC) return false;
_rlBucket++;
return true;
}

// === TAG FILTER ===
var _tagInc = LOG_TRACER_CONFIG.TAG_INCLUDE ? new RegExp(LOG_TRACER_CONFIG.TAG_INCLUDE, 'i') : null;
var _tagExc = LOG_TRACER_CONFIG.TAG_EXCLUDE ? new RegExp(LOG_TRACER_CONFIG.TAG_EXCLUDE, 'i') : null;
function tagOk(tag) {
tag = tag || '';
if (_tagExc && _tagExc.test(tag)) return false;
if (_tagInc && !_tagInc.test(tag)) return false;
return true;
}

function trunc(s) {
if (s == null) return '';
s = String(s);
return s.length > LOG_TRACER_CONFIG.BODY_MAX
? s.substring(0, LOG_TRACER_CONFIG.BODY_MAX) + '...[+' + (s.length - LOG_TRACER_CONFIG.BODY_MAX) + 'B]'
: s;
}

function emit(level, tag, msg, extra) {
if (!rateLimitOk()) return;
if (!tagOk(tag)) return;
var line = '[' + level + '][' + (tag || '?') + '] ' + trunc(msg);
if (extra) line += ' | ' + trunc(extra);
console.log(line);
}

// === JAVA LOG HOOK ===
function installJavaLogHook() {
try {
var Log = Java.use('android.util.Log');

function hook(name, levelChar, sig) {
try {
var orig = Log[name].overload.apply(Log[name], sig);
orig.implementation = function () {
var args = arguments;
try {
var tag = args[0] ? args[0].toString() : null;
var msg = args.length >= 2 && args[1] != null ? args[1].toString() : '';
var thr = '';
if (sig[sig.length - 1] === 'java.lang.Throwable' && args[args.length - 1]) {
try { thr = args[args.length - 1].toString(); } catch (e) {}
}
emit(levelChar, tag, msg, thr);
} catch (e) {}
return orig.apply(this, args); // ← CALL SAVED ORIGINAL, NOT this.x()
};
} catch (e) {
console.warn('[log-tracer] skip Log.' + name + '(' + sig.join(',') + '): ' + e.message);
}
}

hook('v', 'V', ['java.lang.String', 'java.lang.String']);
hook('v', 'V', ['java.lang.String', 'java.lang.String', 'java.lang.Throwable']);
hook('d', 'D', ['java.lang.String', 'java.lang.String']);
hook('d', 'D', ['java.lang.String', 'java.lang.String', 'java.lang.Throwable']);
hook('i', 'I', ['java.lang.String', 'java.lang.String']);
hook('i', 'I', ['java.lang.String', 'java.lang.String', 'java.lang.Throwable']);
hook('w', 'W', ['java.lang.String', 'java.lang.String']);
hook('w', 'W', ['java.lang.String', 'java.lang.Throwable']);
hook('w', 'W', ['java.lang.String', 'java.lang.String', 'java.lang.Throwable']);
hook('e', 'E', ['java.lang.String', 'java.lang.String']);
hook('e', 'E', ['java.lang.String', 'java.lang.String', 'java.lang.Throwable']);
hook('wtf', 'A', ['java.lang.String', 'java.lang.String']);
hook('wtf', 'A', ['java.lang.String', 'java.lang.Throwable']);
hook('wtf', 'A', ['java.lang.String', 'java.lang.String', 'java.lang.Throwable']);
hook('println', 'P', ['int', 'java.lang.String', 'java.lang.String']);

console.log('[log-tracer] Java Log hooks installed');
} catch (e) {
console.error('[log-tracer] Java hook failed: ' + e.message);
}
}

// === NATIVE LOG HOOK ===
function safeReadCString(p) {
try { return (p && !p.isNull()) ? p.readCString() : null; }
catch (e) { return null; }
}

function findLogExport(name) {
try {
if (typeof Module.findGlobalExportByName === 'function') {
var p = Module.findGlobalExportByName(name);
if (p && !p.isNull()) return p;
}
} catch (e) {}
try {
var m = Process.getModuleByName('liblog.so');
if (m && m.findExportByName) {
var p2 = m.findExportByName(name);
if (p2 && !p2.isNull()) return p2;
}
} catch (e) {}
try { return Module.findExportByName('liblog.so', name); } // legacy fallback
catch (e) {}
return null;
}

var PRIO_NAMES = { 2: 'V', 3: 'D', 4: 'I', 5: 'W', 6: 'E', 7: 'A' };

function installNativeLogHook() {
var hooks = [
// int __android_log_print(int prio, const char* tag, const char* fmt, ...);
// NB: fmt with %s/%d won't be resolved (varargs); shown as raw format.
{ name: '__android_log_print', cb: function (args) {
var prio = args[0].toInt32();
if (prio < LOG_TRACER_CONFIG.MIN_PRIORITY) return;
emit('N' + (PRIO_NAMES[prio] || '?'), safeReadCString(args[1]),
safeReadCString(args[2]) + ' [fmt]');
}},
// int __android_log_write(int prio, const char* tag, const char* text);
{ name: '__android_log_write', cb: function (args) {
var prio = args[0].toInt32();
if (prio < LOG_TRACER_CONFIG.MIN_PRIORITY) return;
emit('N' + (PRIO_NAMES[prio] || '?'), safeReadCString(args[1]),
safeReadCString(args[2]));
}},
// int __android_log_vprint(int prio, const char* tag, const char* fmt, va_list);
{ name: '__android_log_vprint', cb: function (args) {
var prio = args[0].toInt32();
if (prio < LOG_TRACER_CONFIG.MIN_PRIORITY) return;
emit('N' + (PRIO_NAMES[prio] || '?'), safeReadCString(args[1]),
safeReadCString(args[2]) + ' [vprint]');
}},
// void __android_log_assert(const char* cond, const char* tag, const char* fmt, ...);
{ name: '__android_log_assert', cb: function (args) {
emit('NA', safeReadCString(args[1]),
'cond=' + safeReadCString(args[0]) + ' msg=' + safeReadCString(args[2]));
}},
// int __android_log_buf_write(int bufID, int prio, const char* tag, const char* text);
{ name: '__android_log_buf_write', cb: function (args) {
var prio = args[1].toInt32();
if (prio < LOG_TRACER_CONFIG.MIN_PRIORITY) return;
emit('N' + (PRIO_NAMES[prio] || '?'), safeReadCString(args[2]),
safeReadCString(args[3]));
}}
];

var installed = 0;
hooks.forEach(function (h) {
var addr = findLogExport(h.name);
if (!addr) return;
try {
Interceptor.attach(addr, { onEnter: function (args) { try { h.cb(args); } catch (e) {} } });
installed++;
} catch (e) {
console.warn('[log-tracer] attach ' + h.name + ' fail: ' + e.message);
}
});
console.log('[log-tracer] Native hooks installed: ' + installed);
}

// === ENTRY ===
if (LOG_TRACER_CONFIG.JAVA_LOG) Java.performNow(installJavaLogHook);
if (LOG_TRACER_CONFIG.NATIVE_LOG) installNativeLogHook();