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Fix "ELOOP: too many symbolic links encountered"

This commit is contained in:
solohsu 2019-02-17 04:32:54 +08:00
parent 68cf907041
commit 4b55e3d033
1 changed files with 14 additions and 8 deletions
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22
Core/jni/main/native_hook/native_hook.cpp
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@ -80,12 +80,16 @@ static void hook_IsInSamePackage(int api_level, void *artHandle,
isInSamePackageSym = "_ZN3art6mirror5Class15IsInSamePackageENS_6ObjPtrIS1_EE"; isInSamePackageSym = "_ZN3art6mirror5Class15IsInSamePackageENS_6ObjPtrIS1_EE";
} }
void *original = dlsym(artHandle, isInSamePackageSym); void *original = dlsym(artHandle, isInSamePackageSym);
getDesc = reinterpret_cast<const char *(*)(void *, std::string *)>(dlsym(artHandle,
getDescriptorSym));
if (!original) { if (!original) {
LOGE("can't get isInSamePackageSym"); LOGE("can't get isInSamePackageSym: %s", dlerror());
return; return;
} }
void *getDescSym = dlsym(artHandle, getDescriptorSym);
if (!getDescSym) {
LOGE("can't get GetDescriptorSym: %s", dlerror());
return;
}
getDesc = reinterpret_cast<const char *(*)(void *, std::string *)>(getDescSym);
(*hookFun)(original, reinterpret_cast<void *>(onIsInSamePackageCalled), (*hookFun)(original, reinterpret_cast<void *>(onIsInSamePackageCalled),
reinterpret_cast<void **>(&isInSamePackageBackup)); reinterpret_cast<void **>(&isInSamePackageBackup));
} }
@ -95,21 +99,21 @@ void install_inline_hooks() {
if (api_level < ANDROID_LOLLIPOP) { if (api_level < ANDROID_LOLLIPOP) {
return; return;
} }
void *whaleHandle = dlopen(kLibWhalePath, RTLD_NOW); void *whaleHandle = dlopen(kLibWhalePath, RTLD_LAZY | RTLD_GLOBAL);
if (!whaleHandle) { if (!whaleHandle) {
LOGE("can't open libwhale"); LOGE("can't open libwhale: %s", dlerror());
return; return;
} }
void *hookFunSym = dlsym(whaleHandle, "WInlineHookFunction"); void *hookFunSym = dlsym(whaleHandle, "WInlineHookFunction");
if (!hookFunSym) { if (!hookFunSym) {
LOGE("can't get WInlineHookFunction"); LOGE("can't get WInlineHookFunction: %s", dlerror());
return; return;
} }
void (*hookFun)(void *, void *, void **) = reinterpret_cast<void (*)(void *, void *, void (*hookFun)(void *, void *, void **) = reinterpret_cast<void (*)(void *, void *,
void **)>(hookFunSym); void **)>(hookFunSym);
void *artHandle = dlopen(kLibArtPath, RTLD_NOW); void *artHandle = dlopen(kLibArtPath, RTLD_LAZY | RTLD_GLOBAL);
if (!artHandle) { if (!artHandle) {
LOGE("can't open libart"); LOGE("can't open libart: %s", dlerror());
return; return;
} }
hook_IsInSamePackage(api_level, artHandle, hookFun); hook_IsInSamePackage(api_level, artHandle, hookFun);
@ -118,5 +122,7 @@ void install_inline_hooks() {
} else { } else {
LOGE("disable_HiddenAPIPolicyImpl failed."); LOGE("disable_HiddenAPIPolicyImpl failed.");
} }
dlclose(whaleHandle);
dlclose(artHandle);
} }