sky: Add sky libinit

Signed-off-by: redducc <sushmit718@gmail.com>

BoardConfig.mk

@@ -84,6 +84,10 @@ BOARD_USES_DT := true
 BOARD_PREBUILT_DTBIMAGE_DIR := $(KERNEL_PATH)/dtbs
 BOARD_PREBUILT_DTBOIMAGE := $(KERNEL_PATH)/dtbs/dtbo.img
 
+# Init
+TARGET_INIT_VENDOR_LIB := //$(DEVICE_PATH):libinit_sky
+TARGET_RECOVERY_DEVICE_MODULES := libinit_sky
+
 # Filesystem
 TARGET_FS_CONFIG_GEN := $(DEVICE_PATH)/configs/config.fs
 

init/Android.bp

@@ -0,0 +1,10 @@
+cc_library_static {
+    name: "libinit_sky",
+    srcs: ["init_sky.cpp"],
+    recovery_available: true,
+    whole_static_libs: ["libbase"],
+    include_dirs: [
+        "system/libbase/include",
+        "system/core/init"
+    ]
+}

init/init_sky.cpp

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2023 Paranoid Android
+ *
+ * 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 <android-base/properties.h>
+#include <sys/sysinfo.h>
+
+#include <cstdlib>
+#include <cstring>
+#include <vector>
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+#include "property_service.h"
+#include "vendor_init.h"
+
+using android::base::GetProperty;
+
+// list of partitions to override props
+std::vector<std::string> ro_props_default_source_order = {
+    "", "odm.", "odm_dlkm.", "product.", "system.", "system_ext.", "vendor.", "vendor_dlkm.",
+};
+
+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 set_ro_build_prop(const std::string &source, const std::string &prop,
+                       const std::string &value, bool product = false) {
+    std::string prop_name;
+
+    if (product) {
+        prop_name = "ro.product." + source + prop;
+    } else {
+        prop_name = "ro." + source + "build." + prop;
+    }
+
+    property_override(prop_name.c_str(), value.c_str(), true);
+}
+
+void set_device_props(const std::string fingerprint, const std::string description,
+                      const std::string brand, const std::string device, const std::string model, const std::string name, const std::string marketname) {
+    for (const auto &source : ro_props_default_source_order) {
+        set_ro_build_prop(source, "fingerprint", fingerprint);
+        set_ro_build_prop(source, "brand", brand, true);
+        set_ro_build_prop(source, "device", device, true);
+        set_ro_build_prop(source, "model", model, true);
+        set_ro_build_prop(source, "name", name, true);
+        set_ro_build_prop(source, "marketname", marketname, true);
+    }
+
+    property_override("ro.build.fingerprint", fingerprint.c_str());
+    property_override("ro.build.description", description.c_str());
+    property_override("bluetooth.device.default_name", model.c_str());
+}
+
+void vendor_load_properties() {
+    // Detect variant and override properties
+    std::string region = GetProperty("ro.boot.hwc", "");
+    std::string boardid = GetProperty("ro.boot.boardid", "");
+    if (region == "India" && boardid == "S88019EP1") {
+	set_device_props(
+	    "POCO/sky_p_in/sky:13/TKQ1.221114.001/V14.0.5.0.TMWINXM:user/release-keys",
+            "sky-user-12-TKQ1.221114.001-V14.0.5.0.TMWINXM-release-keys", "POCO", "sky",
+            "23076PC4BI", "sky_p_in", "POCO M6 Pro 5G");
+    } else {
+        set_device_props(
+            "Redmi/sky_in/sky:13/TKQ1.221114.001/V14.0.5.0.TMWINXM:user/release-keys",
+            "sky-user-12-TKQ1.221114.001-V14.0.5.0.TMWINXM-release-keys", "Redmi", "sky",
+            "23076RN4BI", "sky_in", "Redmi 12 5G");
+    }
+    // Set hardware revision
+    property_override("ro.boot.hardware.revision", GetProperty("ro.boot.hwversion", "").c_str());
+}