41ea424413
Teach free_cache() and restorecon_data() about building per-volume paths. Also clean up restorecon_data() by using std::string when building paths. Clearer names for path building utility methods, and tests to verify. Bug: 19993667 Change-Id: Iacfbcdaa5b901cc2490bc8eba366dfdeb44f1d93
489 lines
18 KiB
C++
489 lines
18 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <gtest/gtest.h>
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#include "installd.h"
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#undef LOG_TAG
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#define LOG_TAG "utils_test"
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#define TEST_DATA_DIR "/data/"
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#define TEST_APP_DIR "/data/app/"
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#define TEST_APP_PRIVATE_DIR "/data/app-private/"
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#define TEST_ASEC_DIR "/mnt/asec/"
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#define TEST_EXPAND_DIR "/mnt/expand/"
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#define TEST_SYSTEM_DIR1 "/system/app/"
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#define TEST_SYSTEM_DIR2 "/vendor/app/"
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#define REALLY_LONG_APP_NAME "com.example." \
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa." \
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa." \
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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#define REALLY_LONG_LEAF_NAME "shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_" \
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"shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_" \
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"shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_" \
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"shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_shared_prefs_"
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namespace android {
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class UtilsTest : public testing::Test {
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protected:
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virtual void SetUp() {
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android_app_dir.path = (char*) TEST_APP_DIR;
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android_app_dir.len = strlen(TEST_APP_DIR);
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android_app_private_dir.path = (char*) TEST_APP_PRIVATE_DIR;
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android_app_private_dir.len = strlen(TEST_APP_PRIVATE_DIR);
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android_data_dir.path = (char*) TEST_DATA_DIR;
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android_data_dir.len = strlen(TEST_DATA_DIR);
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android_asec_dir.path = (char*) TEST_ASEC_DIR;
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android_asec_dir.len = strlen(TEST_ASEC_DIR);
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android_mnt_expand_dir.path = (char*) TEST_EXPAND_DIR;
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android_mnt_expand_dir.len = strlen(TEST_EXPAND_DIR);
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android_system_dirs.count = 2;
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android_system_dirs.dirs = (dir_rec_t*) calloc(android_system_dirs.count, sizeof(dir_rec_t));
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android_system_dirs.dirs[0].path = (char*) TEST_SYSTEM_DIR1;
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android_system_dirs.dirs[0].len = strlen(TEST_SYSTEM_DIR1);
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android_system_dirs.dirs[1].path = (char*) TEST_SYSTEM_DIR2;
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android_system_dirs.dirs[1].len = strlen(TEST_SYSTEM_DIR2);
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}
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virtual void TearDown() {
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free(android_system_dirs.dirs);
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}
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};
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TEST_F(UtilsTest, IsValidApkPath_BadPrefix) {
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// Bad prefixes directories
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const char *badprefix1 = "/etc/passwd";
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EXPECT_EQ(-1, validate_apk_path(badprefix1))
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<< badprefix1 << " should be allowed as a valid path";
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const char *badprefix2 = "../.." TEST_APP_DIR "../../../blah";
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EXPECT_EQ(-1, validate_apk_path(badprefix2))
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<< badprefix2 << " should be allowed as a valid path";
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const char *badprefix3 = "init.rc";
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EXPECT_EQ(-1, validate_apk_path(badprefix3))
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<< badprefix3 << " should be allowed as a valid path";
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const char *badprefix4 = "/init.rc";
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EXPECT_EQ(-1, validate_apk_path(badprefix4))
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<< badprefix4 << " should be allowed as a valid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_Internal) {
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// Internal directories
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const char *internal1 = TEST_APP_DIR "example.apk";
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EXPECT_EQ(0, validate_apk_path(internal1))
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<< internal1 << " should be allowed as a valid path";
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// b/16888084
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const char *path2 = TEST_APP_DIR "example.com/example.apk";
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EXPECT_EQ(0, validate_apk_path(path2))
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<< path2 << " should be allowed as a valid path";
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const char *badint1 = TEST_APP_DIR "../example.apk";
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EXPECT_EQ(-1, validate_apk_path(badint1))
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<< badint1 << " should be rejected as a invalid path";
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const char *badint2 = TEST_APP_DIR "/../example.apk";
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EXPECT_EQ(-1, validate_apk_path(badint2))
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<< badint2 << " should be rejected as a invalid path";
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// Only one subdir should be allowed.
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const char *bad_path3 = TEST_APP_DIR "example.com/subdir/pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(bad_path3))
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<< bad_path3 << " should be rejected as a invalid path";
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const char *bad_path4 = TEST_APP_DIR "example.com/subdir/../pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(bad_path4))
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<< bad_path4 << " should be rejected as a invalid path";
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const char *bad_path5 = TEST_APP_DIR "example.com1/../example.com2/pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(bad_path5))
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<< bad_path5 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_Private) {
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// Internal directories
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const char *private1 = TEST_APP_PRIVATE_DIR "example.apk";
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EXPECT_EQ(0, validate_apk_path(private1))
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<< private1 << " should be allowed as a valid path";
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// b/16888084
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const char *path2 = TEST_APP_DIR "example.com/example.apk";
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EXPECT_EQ(0, validate_apk_path(path2))
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<< path2 << " should be allowed as a valid path";
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const char *badpriv1 = TEST_APP_PRIVATE_DIR "../example.apk";
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EXPECT_EQ(-1, validate_apk_path(badpriv1))
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<< badpriv1 << " should be rejected as a invalid path";
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const char *badpriv2 = TEST_APP_PRIVATE_DIR "/../example.apk";
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EXPECT_EQ(-1, validate_apk_path(badpriv2))
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<< badpriv2 << " should be rejected as a invalid path";
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// Only one subdir should be allowed.
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const char *bad_path3 = TEST_APP_PRIVATE_DIR "example.com/subdir/pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(bad_path3))
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<< bad_path3 << " should be rejected as a invalid path";
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const char *bad_path4 = TEST_APP_PRIVATE_DIR "example.com/subdir/../pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(bad_path4))
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<< bad_path4 << " should be rejected as a invalid path";
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const char *bad_path5 = TEST_APP_PRIVATE_DIR "example.com1/../example.com2/pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(bad_path5))
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<< bad_path5 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_AsecGood1) {
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const char *asec1 = TEST_ASEC_DIR "example.apk";
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EXPECT_EQ(0, validate_apk_path(asec1))
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<< asec1 << " should be allowed as a valid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_AsecGood2) {
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const char *asec2 = TEST_ASEC_DIR "com.example.asec/pkg.apk";
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EXPECT_EQ(0, validate_apk_path(asec2))
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<< asec2 << " should be allowed as a valid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_EscapeFail) {
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const char *badasec1 = TEST_ASEC_DIR "../example.apk";
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EXPECT_EQ(-1, validate_apk_path(badasec1))
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<< badasec1 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_DoubleSlashFail) {
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const char *badasec2 = TEST_ASEC_DIR "com.example.asec//pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(badasec2))
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<< badasec2 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_SubdirEscapeFail) {
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const char *badasec3 = TEST_ASEC_DIR "com.example.asec/../../../pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(badasec3))
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<< badasec3 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_SlashEscapeFail) {
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const char *badasec4 = TEST_ASEC_DIR "/../example.apk";
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EXPECT_EQ(-1, validate_apk_path(badasec4))
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<< badasec4 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_CrazyDirFail) {
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const char *badasec5 = TEST_ASEC_DIR ".//../..";
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EXPECT_EQ(-1, validate_apk_path(badasec5))
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<< badasec5 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_SubdirEscapeSingleFail) {
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const char *badasec6 = TEST_ASEC_DIR "com.example.asec/../pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(badasec6))
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<< badasec6 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, IsValidApkPath_TwoSubdirFail) {
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const char *badasec7 = TEST_ASEC_DIR "com.example.asec/subdir1/pkg.apk";
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EXPECT_EQ(-1, validate_apk_path(badasec7))
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<< badasec7 << " should be rejected as a invalid path";
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}
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TEST_F(UtilsTest, CheckSystemApp_Dir1) {
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const char *sysapp1 = TEST_SYSTEM_DIR1 "Voice.apk";
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EXPECT_EQ(0, validate_system_app_path(sysapp1))
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<< sysapp1 << " should be allowed as a system path";
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}
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TEST_F(UtilsTest, CheckSystemApp_Dir2) {
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const char *sysapp2 = TEST_SYSTEM_DIR2 "com.example.myapp.apk";
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EXPECT_EQ(0, validate_system_app_path(sysapp2))
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<< sysapp2 << " should be allowed as a system path";
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}
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TEST_F(UtilsTest, CheckSystemApp_EscapeFail) {
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const char *badapp1 = TEST_SYSTEM_DIR1 "../com.example.apk";
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EXPECT_EQ(-1, validate_system_app_path(badapp1))
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<< badapp1 << " should be rejected not a system path";
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}
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TEST_F(UtilsTest, CheckSystemApp_DoubleEscapeFail) {
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const char *badapp2 = TEST_SYSTEM_DIR2 "/../../com.example.apk";
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EXPECT_EQ(-1, validate_system_app_path(badapp2))
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<< badapp2 << " should be rejected not a system path";
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}
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TEST_F(UtilsTest, CheckSystemApp_BadPathEscapeFail) {
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const char *badapp3 = TEST_APP_DIR "/../../com.example.apk";
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EXPECT_EQ(-1, validate_system_app_path(badapp3))
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<< badapp3 << " should be rejected not a system path";
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}
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TEST_F(UtilsTest, CheckSystemApp_Subdir) {
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const char *sysapp = TEST_SYSTEM_DIR1 "com.example/com.example.apk";
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EXPECT_EQ(0, validate_system_app_path(sysapp))
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<< sysapp << " should be allowed as a system path";
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const char *badapp = TEST_SYSTEM_DIR1 "com.example/subdir/com.example.apk";
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EXPECT_EQ(-1, validate_system_app_path(badapp))
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<< badapp << " should be rejected not a system path";
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const char *badapp1 = TEST_SYSTEM_DIR1 "com.example/subdir/../com.example.apk";
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EXPECT_EQ(-1, validate_system_app_path(badapp1))
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<< badapp1 << " should be rejected not a system path";
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const char *badapp2 = TEST_SYSTEM_DIR1 "com.example1/../com.example2/com.example.apk";
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EXPECT_EQ(-1, validate_system_app_path(badapp2))
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<< badapp2 << " should be rejected not a system path";
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}
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TEST_F(UtilsTest, GetPathFromString_NullPathFail) {
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dir_rec_t test1;
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EXPECT_EQ(-1, get_path_from_string(&test1, (const char *) NULL))
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<< "Should not allow NULL as a path.";
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}
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TEST_F(UtilsTest, GetPathFromString_EmptyPathFail) {
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dir_rec_t test1;
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EXPECT_EQ(-1, get_path_from_string(&test1, ""))
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<< "Should not allow empty paths.";
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}
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TEST_F(UtilsTest, GetPathFromString_RelativePathFail) {
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dir_rec_t test1;
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EXPECT_EQ(-1, get_path_from_string(&test1, "mnt/asec"))
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<< "Should not allow relative paths.";
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}
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TEST_F(UtilsTest, GetPathFromString_NonCanonical) {
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dir_rec_t test1;
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EXPECT_EQ(0, get_path_from_string(&test1, "/mnt/asec"))
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<< "Should be able to canonicalize directory /mnt/asec";
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EXPECT_STREQ("/mnt/asec/", test1.path)
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<< "/mnt/asec should be canonicalized to /mnt/asec/";
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EXPECT_EQ(10, (ssize_t) test1.len)
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<< "path len should be equal to the length of /mnt/asec/ (10)";
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free(test1.path);
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}
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TEST_F(UtilsTest, GetPathFromString_CanonicalPath) {
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dir_rec_t test3;
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EXPECT_EQ(0, get_path_from_string(&test3, "/data/app/"))
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<< "Should be able to canonicalize directory /data/app/";
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EXPECT_STREQ("/data/app/", test3.path)
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<< "/data/app/ should be canonicalized to /data/app/";
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EXPECT_EQ(10, (ssize_t) test3.len)
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<< "path len should be equal to the length of /data/app/ (10)";
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free(test3.path);
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}
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TEST_F(UtilsTest, CreatePkgPath_LongPkgNameSuccess) {
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char path[PKG_PATH_MAX];
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// Create long packagename of "aaaaa..."
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size_t pkgnameSize = PKG_NAME_MAX;
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char pkgname[pkgnameSize + 1];
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memset(pkgname, 'a', pkgnameSize);
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pkgname[pkgnameSize] = '\0';
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EXPECT_EQ(0, create_pkg_path(path, pkgname, "", 0))
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<< "Should successfully be able to create package name.";
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const char *prefix = TEST_DATA_DIR PRIMARY_USER_PREFIX;
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size_t offset = strlen(prefix);
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EXPECT_STREQ(pkgname, path + offset)
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<< "Package path should be a really long string of a's";
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}
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TEST_F(UtilsTest, CreatePkgPath_LongPkgNameFail) {
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char path[PKG_PATH_MAX];
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// Create long packagename of "aaaaa..."
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size_t pkgnameSize = PKG_NAME_MAX + 1;
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char pkgname[pkgnameSize + 1];
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memset(pkgname, 'a', pkgnameSize);
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pkgname[pkgnameSize] = '\0';
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EXPECT_EQ(-1, create_pkg_path(path, pkgname, "", 0))
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<< "Should return error because package name is too long.";
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}
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TEST_F(UtilsTest, CreatePkgPath_LongPostfixFail) {
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char path[PKG_PATH_MAX];
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// Create long packagename of "aaaaa..."
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size_t postfixSize = PKG_PATH_MAX;
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char postfix[postfixSize + 1];
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memset(postfix, 'a', postfixSize);
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postfix[postfixSize] = '\0';
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EXPECT_EQ(-1, create_pkg_path(path, "com.example.package", postfix, 0))
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<< "Should return error because postfix is too long.";
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}
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TEST_F(UtilsTest, CreatePkgPath_PrimaryUser) {
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char path[PKG_PATH_MAX];
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EXPECT_EQ(0, create_pkg_path(path, "com.example.package", "", 0))
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<< "Should return error because postfix is too long.";
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EXPECT_STREQ(TEST_DATA_DIR PRIMARY_USER_PREFIX "com.example.package", path)
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<< "Package path should be in /data/data/";
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}
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TEST_F(UtilsTest, CreatePkgPath_SecondaryUser) {
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char path[PKG_PATH_MAX];
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EXPECT_EQ(0, create_pkg_path(path, "com.example.package", "", 1))
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<< "Should successfully create package path.";
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EXPECT_STREQ(TEST_DATA_DIR SECONDARY_USER_PREFIX "1/com.example.package", path)
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<< "Package path should be in /data/user/";
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}
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TEST_F(UtilsTest, CreateMovePath_Primary) {
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char path[PKG_PATH_MAX];
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EXPECT_EQ(0, create_move_path(path, "com.android.test", "shared_prefs", 0))
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<< "Should be able to create move path for primary user";
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EXPECT_STREQ("/data/data/com.android.test/shared_prefs", path)
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<< "Primary user package directory should be created correctly";
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}
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TEST_F(UtilsTest, CreateMovePath_Fail_AppTooLong) {
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char path[PKG_PATH_MAX];
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EXPECT_EQ(-1, create_move_path(path, REALLY_LONG_APP_NAME, "shared_prefs", 0))
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<< "Should fail to create move path for primary user";
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}
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TEST_F(UtilsTest, CreateMovePath_Fail_LeafTooLong) {
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char path[PKG_PATH_MAX];
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EXPECT_EQ(-1, create_move_path(path, "com.android.test", REALLY_LONG_LEAF_NAME, 0))
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<< "Should fail to create move path for primary user";
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}
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TEST_F(UtilsTest, CopyAndAppend_Normal) {
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//int copy_and_append(dir_rec_t* dst, dir_rec_t* src, char* suffix)
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dir_rec_t dst;
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dir_rec_t src;
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src.path = (char*) "/data/";
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src.len = strlen(src.path);
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EXPECT_EQ(0, copy_and_append(&dst, &src, "app/"))
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<< "Should return error because postfix is too long.";
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EXPECT_STREQ("/data/app/", dst.path)
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<< "Appended path should be correct";
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EXPECT_EQ(10, (ssize_t) dst.len)
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<< "Appended path should be length of '/data/app/' (10)";
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}
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TEST_F(UtilsTest, AppendAndIncrement_Normal) {
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size_t dst_size = 10;
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char dst[dst_size];
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char *dstp = dst;
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const char* src = "FOO";
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EXPECT_EQ(0, append_and_increment(&dstp, src, &dst_size))
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<< "String should append successfully";
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EXPECT_STREQ("FOO", dst)
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<< "String should append correctly";
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EXPECT_EQ(0, append_and_increment(&dstp, src, &dst_size))
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<< "String should append successfully again";
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EXPECT_STREQ("FOOFOO", dst)
|
|
<< "String should append correctly again";
|
|
}
|
|
|
|
TEST_F(UtilsTest, AppendAndIncrement_TooBig) {
|
|
size_t dst_size = 5;
|
|
char dst[dst_size];
|
|
char *dstp = dst;
|
|
const char* src = "FOO";
|
|
|
|
EXPECT_EQ(0, append_and_increment(&dstp, src, &dst_size))
|
|
<< "String should append successfully";
|
|
|
|
EXPECT_STREQ("FOO", dst)
|
|
<< "String should append correctly";
|
|
|
|
EXPECT_EQ(-1, append_and_increment(&dstp, src, &dst_size))
|
|
<< "String should fail because it's too large to fit";
|
|
}
|
|
|
|
TEST_F(UtilsTest, CreateDataPath) {
|
|
EXPECT_EQ("/data", create_data_path(nullptr));
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b",
|
|
create_data_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b"));
|
|
}
|
|
|
|
TEST_F(UtilsTest, CreateDataUserPath) {
|
|
EXPECT_EQ("/data/data", create_data_user_path(nullptr, 0));
|
|
EXPECT_EQ("/data/user/10", create_data_user_path(nullptr, 10));
|
|
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b/user/0",
|
|
create_data_user_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b", 0));
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b/user/10",
|
|
create_data_user_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b", 10));
|
|
}
|
|
|
|
TEST_F(UtilsTest, CreateDataMediaPath) {
|
|
EXPECT_EQ("/data/media/0", create_data_media_path(nullptr, 0));
|
|
EXPECT_EQ("/data/media/10", create_data_media_path(nullptr, 10));
|
|
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b/media/0",
|
|
create_data_media_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b", 0));
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b/media/10",
|
|
create_data_media_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b", 10));
|
|
}
|
|
|
|
TEST_F(UtilsTest, CreatePackageDataPath) {
|
|
EXPECT_EQ("/data/data/com.example", create_package_data_path(nullptr, "com.example", 0));
|
|
EXPECT_EQ("/data/user/10/com.example", create_package_data_path(nullptr, "com.example", 10));
|
|
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b/user/0/com.example",
|
|
create_package_data_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b", "com.example", 0));
|
|
EXPECT_EQ("/mnt/expand/57f8f4bc-abf4-655f-bf67-946fc0f9f25b/user/10/com.example",
|
|
create_package_data_path("57f8f4bc-abf4-655f-bf67-946fc0f9f25b", "com.example", 10));
|
|
}
|
|
|
|
}
|