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Fix regen signature (#1829)

This commit is contained in:
南宫雪珊 2022-04-10 23:37:27 +08:00 committed by GitHub
parent 9e3a3ac2b2
commit 4cb9115fa5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 22 deletions
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30
daemon/src/main/jni/obfuscation.cpp
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@ -51,6 +51,12 @@ jmethodID method_shared_memory_ctor;
bool inited = false;
}
static std::string to_java(const std::string &signature) {
std::string java(signature, 1);
replace(java.begin(), java.end(), '/', '.');
return java;
}
void maybeInit(JNIEnv *env) {
if (inited) [[likely]] return;
std::lock_guard l(init_lock);
@ -84,7 +90,7 @@ void maybeInit(JNIEnv *env) {
if (choose_slash(rg) > 8 && // 80% alphabet + 20% slashes
out[i - 1] != '/' && // slashes could not stick together
i != 1 && // the first character should not be slash
i != length - 1) { // and the last character
i != length - 2) { // and the last character
out += "/";
} else {
out += chrs[pick(rg)];
@ -95,23 +101,7 @@ void maybeInit(JNIEnv *env) {
return out;
};
auto contains_keyword = [](std::string_view s) -> bool {
for (const auto &i: {
"abstract", "assert", "boolean", "break", "byte", "case", "catch", "char", "class",
"continue", "const", "default", "do", "double", "else", "enum", "exports", "extends",
"final", "finally", "float", "for", "goto", "if", "implements", "import", "instanceof",
"int", "interface", "long", "module", "native", "new", "package", "private", "protected",
"public", "requires", "return", "short", "static", "strictfp", "super", "switch",
"synchronized", "this", "throw", "throws", "transient", "try", "var", "void", "volatile",
"while"}) {
if (s.find(i) != std::string::npos) return true;
}
return false;
};
[[unlikely]] do {
obfuscated_signature = regen();
} while (contains_keyword(obfuscated_signature));
LOGD("ObfuscationManager.getObfuscatedSignature: %s", obfuscated_signature.c_str());
LOGD("ObfuscationManager init successfully");
@ -122,16 +112,14 @@ extern "C"
JNIEXPORT jstring JNICALL
Java_org_lsposed_lspd_service_ObfuscationManager_getObfuscatedSignature(JNIEnv *env, [[maybe_unused]] jclass obfuscation_manager) {
maybeInit(env);
std::string obfuscated_signature_java(obfuscated_signature, 1);
replace(obfuscated_signature_java.begin(), obfuscated_signature_java.end(), '/', '.');
static std::string obfuscated_signature_java = to_java(obfuscated_signature);
return env->NewStringUTF(obfuscated_signature_java.c_str());
}
extern "C"
JNIEXPORT jstring JNICALL
Java_org_lsposed_lspd_service_ObfuscationManager_getOriginalSignature(JNIEnv *env, [[maybe_unused]] jclass obfuscation_manager) {
std::string original_signature_java(original_signature, 1);
replace(original_signature_java.begin(), original_signature_java.end(), '/', '.');
static std::string original_signature_java = to_java(original_signature);
return env->NewStringUTF(original_signature_java.c_str());
}