Replace minzip with libziparchive

Clean up the duplicated codes that handle the zip files in
bootable/recovery; and rename the library of the remaining
utility functions to libotautil.

Test: Update package installed successfully on angler.
Bug: 19472796

Change-Id: Iea8962fcf3004473cb0322b6bb3a9ea3ca7f679e
diff --git a/tests/Android.mk b/tests/Android.mk
index ef822d1..abe6b6d 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -24,11 +24,18 @@
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_STATIC_LIBRARIES := \
     libverifier \
-    libminui
+    libminui \
+    libotautil \
+    libziparchive \
+    libutils \
+    libz \
+    libselinux \
+    libbase
 
 LOCAL_SRC_FILES := unit/asn1_decoder_test.cpp
 LOCAL_SRC_FILES += unit/recovery_test.cpp
 LOCAL_SRC_FILES += unit/locale_test.cpp
+LOCAL_SRC_FILES += unit/zip_test.cpp
 LOCAL_C_INCLUDES := bootable/recovery
 LOCAL_SHARED_LIBRARIES := liblog
 include $(BUILD_NATIVE_TEST)
@@ -62,7 +69,7 @@
     libupdater \
     libverifier \
     libminui \
-    libminzip \
+    libotautil \
     libmounts \
     liblog \
     libselinux \
diff --git a/tests/component/verifier_test.cpp b/tests/component/verifier_test.cpp
index 6a3eebf..7f9a714 100644
--- a/tests/component/verifier_test.cpp
+++ b/tests/component/verifier_test.cpp
@@ -29,10 +29,11 @@
 #include <openssl/sha.h>
 
 #include <android-base/stringprintf.h>
+#include <ziparchive/zip_archive.h>
 
 #include "common.h"
 #include "common/test_constants.h"
-#include "minzip/SysUtil.h"
+#include "otautil/SysUtil.h"
 #include "ui.h"
 #include "verifier.h"
 
diff --git a/tests/testdata/ziptest_dummy-update.zip b/tests/testdata/ziptest_dummy-update.zip
new file mode 100644
index 0000000..6976bf1
--- /dev/null
+++ b/tests/testdata/ziptest_dummy-update.zip
Binary files differ
diff --git a/tests/testdata/ziptest_valid.zip b/tests/testdata/ziptest_valid.zip
new file mode 100644
index 0000000..9e7cb78
--- /dev/null
+++ b/tests/testdata/ziptest_valid.zip
Binary files differ
diff --git a/tests/unit/zip_test.cpp b/tests/unit/zip_test.cpp
new file mode 100644
index 0000000..b617446
--- /dev/null
+++ b/tests/unit/zip_test.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016 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 <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <unistd.h>
+
+#include <memory>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android-base/unique_fd.h>
+#include <android-base/test_utils.h>
+#include <gtest/gtest.h>
+#include <otautil/SysUtil.h>
+#include <otautil/ZipUtil.h>
+#include <ziparchive/zip_archive.h>
+
+static const std::string DATA_PATH(getenv("ANDROID_DATA"));
+static const std::string TESTDATA_PATH("/recovery/testdata/");
+
+static const std::vector<uint8_t> kATxtContents {
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
+    '\n'
+};
+
+static const std::vector<uint8_t> kBTxtContents {
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
+    '\n'
+};
+
+TEST(otazip, ExtractPackageRecursive) {
+    TemporaryDir td;
+    ASSERT_NE(td.path, nullptr);
+    ZipArchiveHandle handle;
+    std::string zip_path = DATA_PATH + TESTDATA_PATH + "/ziptest_valid.zip";
+    ASSERT_EQ(0, OpenArchive(zip_path.c_str(), &handle));
+    // Extract the whole package into a temp directory.
+    ExtractPackageRecursive(handle, "", td.path, nullptr, nullptr);
+    // Make sure all the files are extracted correctly.
+    std::string path(td.path);
+    android::base::unique_fd fd(open((path + "/a.txt").c_str(), O_RDONLY));
+    ASSERT_NE(fd, -1);
+    std::vector<uint8_t> read_data;
+    read_data.resize(kATxtContents.size());
+    // The content of the file is the same as expected.
+    ASSERT_TRUE(android::base::ReadFully(fd.get(), read_data.data(), read_data.size()));
+    ASSERT_EQ(0, memcmp(read_data.data(), kATxtContents.data(), kATxtContents.size()));
+
+    fd.reset(open((path + "/b.txt").c_str(), O_RDONLY));
+    ASSERT_NE(fd, -1);
+    fd.reset(open((path + "/b/c.txt").c_str(), O_RDONLY));
+    ASSERT_NE(fd, -1);
+    fd.reset(open((path + "/b/d.txt").c_str(), O_RDONLY));
+    ASSERT_NE(fd, -1);
+    read_data.resize(kBTxtContents.size());
+    ASSERT_TRUE(android::base::ReadFully(fd.get(), read_data.data(), read_data.size()));
+    ASSERT_EQ(0, memcmp(read_data.data(), kBTxtContents.data(), kBTxtContents.size()));
+}
+
+TEST(otazip, OpenFromMemory) {
+    MemMapping map;
+    std::string zip_path = DATA_PATH + TESTDATA_PATH + "/ziptest_dummy-update.zip";
+    ASSERT_EQ(0, sysMapFile(zip_path.c_str(), &map));
+    // Map an update package into memory and open the archive from there.
+    ZipArchiveHandle handle;
+    ASSERT_EQ(0, OpenArchiveFromMemory(map.addr, map.length, zip_path.c_str(), &handle));
+    static constexpr const char* BINARY_PATH = "META-INF/com/google/android/update-binary";
+    ZipString binary_path(BINARY_PATH);
+    ZipEntry binary_entry;
+    // Make sure the package opens correctly and its entry can be read.
+    ASSERT_EQ(0, FindEntry(handle, binary_path, &binary_entry));
+    TemporaryFile tmp_binary;
+    ASSERT_NE(-1, tmp_binary.fd);
+    ASSERT_EQ(0, ExtractEntryToFile(handle, &binary_entry, tmp_binary.fd));
+}
+