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74 lines
2.7 KiB
74 lines
2.7 KiB
4 months ago
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/*
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* Copyright (C) 2020 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "linker.h"
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#include "linker_translate_path.h"
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#include "linker_utils.h"
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#if defined(__LP64__)
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#define APEX_LIB(apex, name) \
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{ "/system/lib64/" name, "/apex/" apex "/lib64/" name }
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#else
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#define APEX_LIB(apex, name) \
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{ "/system/lib/" name, "/apex/" apex "/lib/" name }
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#endif
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// Workaround for dlopen(/system/lib(64)/<soname>) when .so is in /apex. http://b/121248172
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/**
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* Translate /system path to /apex path if needed
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* The workaround should work only when targetSdkVersion < Q.
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*
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* param out_name_to_apex pointing to /apex path
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* return true if translation is needed
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*/
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bool translateSystemPathToApexPath(const char* name, std::string* out_name_to_apex) {
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static constexpr const char* kPathTranslationQ[][2] = {
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APEX_LIB("com.android.i18n", "libicui18n.so"),
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APEX_LIB("com.android.i18n", "libicuuc.so")
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};
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if (name == nullptr) {
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return false;
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}
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auto comparator = [name](auto p) { return strcmp(name, p[0]) == 0; };
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if (get_application_target_sdk_version() < __ANDROID_API_Q__) {
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if (auto it =
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std::find_if(std::begin(kPathTranslationQ), std::end(kPathTranslationQ), comparator);
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it != std::end(kPathTranslationQ)) {
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*out_name_to_apex = (*it)[1];
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return true;
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}
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}
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return false;
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}
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// End Workaround for dlopen(/system/lib/<soname>) when .so is in /apex.
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