suzuran: Add libinit module

# FDroid

WITH_FDROID := true

# Init

TARGET_INIT_VENDOR_LIB := libinit_suzuran

# Inherit from the proprietary version

-include vendor/sony/suzuran/BoardConfigVendor.mk

//

// Copyright (C) 2019 The LineageOS Project

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

cc_library_static {

    name: "libinit_suzuran",

    recovery_available: true,

    srcs: ["init_suzuran.cpp"],

    include_dirs: [

        "system/core/init",

        "external/selinux/libselinux/include",

        "external/libcap/libcap/include"

    ],

    shared_libs: ["libbase"],

}

/*

 * Copyright (C) 2008 The Android Open Source Project

 * Copyright (C) 2014 The CyanogenMod Project

 * Copyright (C) 2017 The LineageOS Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <stdlib.h>

#include <android-base/logging.h>

#include <fcntl.h>

#include <fstream>

#include <stdio.h>

#include <stdlib.h>

#include <string>

#include <unistd.h>

#include <sys/stat.h>

#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_

#include <sys/_system_properties.h>

#include <sys/types.h>

#include "vendor_init.h"

#include "property_service.h"

#include "util.h"

using android::init::ImportKernelCmdline;

constexpr auto LTALABEL_PATH = "/dev/block/platform/soc.0/f9824900.sdhci/by-name/LTALabel";

void property_override(char const prop[], char const value[], bool add = true)

{

    auto pi = (prop_info *) __system_property_find(prop);

    if (pi != nullptr) {

        __system_property_update(pi, value, strlen(value));

    } else if (add) {

        __system_property_add(prop, strlen(prop), value, strlen(value));

    }

}

void property_override_dual(char const system_prop[], char const vendor_prop[], char const value[])

{

    property_override(system_prop, value);

    property_override(vendor_prop, value);

}

void property_override_triple(char const product_prop[], char const system_prop[], char const vendor_prop[], char const value[])

{

    property_override(product_prop, value);

    property_override(system_prop, value);

    property_override(vendor_prop, value);

}

static void import_kernel_nv(const std::string& key,

        const std::string& value, bool for_emulator __attribute__((unused)))

{

    if (key.empty()) return;

    if (std::ifstream file = std::ifstream(LTALABEL_PATH, std::ios::binary)) {

        std::string str((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());

        size_t offset = str.find("Model: ");

        if (offset != std::string::npos) {

            std::string model = str.substr(offset + strlen("Model: "), 5);

            property_override("ro.semc.product.model", model.c_str());

            property_override_triple("ro.product.model", "ro.product.system.model", "ro.product.vendor.model", model.c_str());

            property_override_triple("ro.product.name", "ro.product.system.name", "ro.product.vendor.name", model.c_str());

        }

    }

    if (key == "oemandroidboot.phoneid") {

        // Dual Sim variant contains two IMEIs separated by comma.

        if ((count(value.begin(), value.end(),',')) > 0) {

            property_override("persist.multisim.config", "dsds");

            property_override("persist.radio.multisim.config", "dsds");

            property_override("ro.telephony.default_network", "9,1");

        } else {

            property_override("ro.telephony.default_network", "9");

        }

    }

}

void vendor_load_properties()

{

    ImportKernelCmdline([&](const std::string& key, const std::string& value) {

        import_kernel_nv(key, value, false);

    });

}