[Gyotaku] Add the dumpLog for gyotaku app

Pixel 5a (barbet) does not support Pixel dump, we need to exclude build
Pixel dump for Pixel 5a (barbet)

Bug: 310110649

Test: Local build and trigger a new bugreport the result passed
Change-Id: Idb712b2b3830f42de21be9942be547d7fcdd929f

gyotaku_app/dump/Android.bp

@@ -0,0 +1,20 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_binary {
+    name: "dump_gyotaku",
+    srcs: ["dump_gyotaku.cpp"],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    shared_libs: [
+        "libbase",
+        "libdump",
+        "liblog",
+    ],
+    vendor: true,
+    relative_install_path: "dump",
+}

gyotaku_app/dump/dump_gyotaku.cpp

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2024 The Android Open Source 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 <unistd.h>
+#include <dump/pixel_dump.h>
+#include <android-base/file.h>
+
+#define GYOTAKU_DIRECTORY "/data/vendor/gyotaku/andlog"
+#define GYOTAKU_ANDROID_LOG_PREFIX "android_"
+
+#define maxFileLogsNumber 30
+
+int main() {
+    std::string outputDir = concatenatePath(BUGREPORT_PACKING_DIR, "gyotaku");
+    if (mkdir(outputDir.c_str(), 0700) == -1) {
+        printf("Unable to create folder: %s\n", outputDir.c_str());
+        return 0;
+    }
+
+    dumpLogs(GYOTAKU_DIRECTORY, outputDir.c_str(), maxFileLogsNumber, GYOTAKU_ANDROID_LOG_PREFIX);
+    return 0;
+}
+

gyotaku_app/dump/dump_gyotaku.te

@@ -0,0 +1,11 @@
+pixel_bugreport(dump_gyotaku)
+
+userdebug_or_eng(`
+  # For access and collecting logs into vendor radio type folder.
+  allow dump_gyotaku radio_vendor_data_file:dir create_dir_perms;
+  allow dump_gyotaku radio_vendor_data_file:file create_file_perms;
+
+  # For access /data/vendor/ folder.
+  allow dump_gyotaku gyotaku_vendor_data_file:dir create_dir_perms;
+  allow dump_gyotaku gyotaku_vendor_data_file:file create_file_perms;
+')

gyotaku_app/dump/file.te

@@ -0,0 +1,5 @@
+# For /data/vendor use
+type gyotaku_vendor_data_file, file_type, data_file_type;
+userdebug_or_eng(`
+    typeattribute gyotaku_vendor_data_file mlstrustedobject;
+')

gyotaku_app/dump/file_contexts

@@ -0,0 +1,4 @@
+/data/vendor/gyotaku(/.*)?                u:object_r:gyotaku_vendor_data_file:s0
+
+# Pixel dump for Gyotaku
+/vendor/bin/dump/dump_gyotaku           u:object_r:dump_gyotaku_exec:s0

gyotaku_app/gyotaku.mk

@@ -4,5 +4,11 @@ ifneq ($(TARGET_BUILD_VARIANT), user)
       Gyotaku
 
       BOARD_SEPOLICY_DIRS += device/google/gs-common/gyotaku_app/sepolicy/
+
+      # Pixel 5a (barbet) does not support Pixel dump
+      ifneq ($(TARGET_PRODUCT), barbet)
+        PRODUCT_PACKAGES_DEBUG += dump_gyotaku
+        BOARD_SEPOLICY_DIRS += device/google/gs-common/gyotaku_app/dump
+      endif
   endif
 endif