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Diffstat (limited to 'tests/component/updater_test.cpp')
| -rw-r--r-- | tests/component/updater_test.cpp | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/tests/component/updater_test.cpp b/tests/component/updater_test.cpp new file mode 100644 index 000000000..fa5f03134 --- /dev/null +++ b/tests/component/updater_test.cpp @@ -0,0 +1,562 @@ +/* + * 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 <stdio.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +#include <string> + +#include <android-base/file.h> +#include <android-base/properties.h> +#include <android-base/stringprintf.h> +#include <android-base/strings.h> +#include <android-base/test_utils.h> +#include <bootloader_message/bootloader_message.h> +#include <gtest/gtest.h> +#include <ziparchive/zip_archive.h> + +#include "common/test_constants.h" +#include "edify/expr.h" +#include "error_code.h" +#include "updater/install.h" +#include "updater/updater.h" + +struct selabel_handle *sehandle = nullptr; + +static void expect(const char* expected, const char* expr_str, CauseCode cause_code, + UpdaterInfo* info = nullptr) { + Expr* e; + int error_count = 0; + ASSERT_EQ(0, parse_string(expr_str, &e, &error_count)); + ASSERT_EQ(0, error_count); + + State state(expr_str, info); + + std::string result; + bool status = Evaluate(&state, e, &result); + + if (expected == nullptr) { + ASSERT_FALSE(status); + } else { + ASSERT_TRUE(status); + ASSERT_STREQ(expected, result.c_str()); + } + + // Error code is set in updater/updater.cpp only, by parsing State.errmsg. + ASSERT_EQ(kNoError, state.error_code); + + // Cause code should always be available. + ASSERT_EQ(cause_code, state.cause_code); +} + +class UpdaterTest : public ::testing::Test { + protected: + virtual void SetUp() { + RegisterBuiltins(); + RegisterInstallFunctions(); + } +}; + +TEST_F(UpdaterTest, getprop) { + expect(android::base::GetProperty("ro.product.device", "").c_str(), + "getprop(\"ro.product.device\")", + kNoCause); + + expect(android::base::GetProperty("ro.build.fingerprint", "").c_str(), + "getprop(\"ro.build.fingerprint\")", + kNoCause); + + // getprop() accepts only one parameter. + expect(nullptr, "getprop()", kArgsParsingFailure); + expect(nullptr, "getprop(\"arg1\", \"arg2\")", kArgsParsingFailure); +} + +TEST_F(UpdaterTest, sha1_check) { + // sha1_check(data) returns the SHA-1 of the data. + expect("81fe8bfe87576c3ecb22426f8e57847382917acf", "sha1_check(\"abcd\")", kNoCause); + expect("da39a3ee5e6b4b0d3255bfef95601890afd80709", "sha1_check(\"\")", kNoCause); + + // sha1_check(data, sha1_hex, [sha1_hex, ...]) returns the matched SHA-1. + expect("81fe8bfe87576c3ecb22426f8e57847382917acf", + "sha1_check(\"abcd\", \"81fe8bfe87576c3ecb22426f8e57847382917acf\")", + kNoCause); + + expect("81fe8bfe87576c3ecb22426f8e57847382917acf", + "sha1_check(\"abcd\", \"wrong_sha1\", \"81fe8bfe87576c3ecb22426f8e57847382917acf\")", + kNoCause); + + // Or "" if there's no match. + expect("", + "sha1_check(\"abcd\", \"wrong_sha1\")", + kNoCause); + + expect("", + "sha1_check(\"abcd\", \"wrong_sha1\", \"wrong_sha2\")", + kNoCause); + + // sha1_check() expects at least one argument. + expect(nullptr, "sha1_check()", kArgsParsingFailure); +} + +TEST_F(UpdaterTest, file_getprop) { + // file_getprop() expects two arguments. + expect(nullptr, "file_getprop()", kArgsParsingFailure); + expect(nullptr, "file_getprop(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "file_getprop(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + // File doesn't exist. + expect(nullptr, "file_getprop(\"/doesntexist\", \"key1\")", kFileGetPropFailure); + + // Reject too large files (current limit = 65536). + TemporaryFile temp_file1; + std::string buffer(65540, '\0'); + ASSERT_TRUE(android::base::WriteStringToFile(buffer, temp_file1.path)); + + // Read some keys. + TemporaryFile temp_file2; + std::string content("ro.product.name=tardis\n" + "# comment\n\n\n" + "ro.product.model\n" + "ro.product.board = magic \n"); + ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file2.path)); + + std::string script1("file_getprop(\"" + std::string(temp_file2.path) + + "\", \"ro.product.name\")"); + expect("tardis", script1.c_str(), kNoCause); + + std::string script2("file_getprop(\"" + std::string(temp_file2.path) + + "\", \"ro.product.board\")"); + expect("magic", script2.c_str(), kNoCause); + + // No match. + std::string script3("file_getprop(\"" + std::string(temp_file2.path) + + "\", \"ro.product.wrong\")"); + expect("", script3.c_str(), kNoCause); + + std::string script4("file_getprop(\"" + std::string(temp_file2.path) + + "\", \"ro.product.name=\")"); + expect("", script4.c_str(), kNoCause); + + std::string script5("file_getprop(\"" + std::string(temp_file2.path) + + "\", \"ro.product.nam\")"); + expect("", script5.c_str(), kNoCause); + + std::string script6("file_getprop(\"" + std::string(temp_file2.path) + + "\", \"ro.product.model\")"); + expect("", script6.c_str(), kNoCause); +} + +TEST_F(UpdaterTest, delete) { + // Delete none. + expect("0", "delete()", kNoCause); + expect("0", "delete(\"/doesntexist\")", kNoCause); + expect("0", "delete(\"/doesntexist1\", \"/doesntexist2\")", kNoCause); + expect("0", "delete(\"/doesntexist1\", \"/doesntexist2\", \"/doesntexist3\")", kNoCause); + + // Delete one file. + TemporaryFile temp_file1; + ASSERT_TRUE(android::base::WriteStringToFile("abc", temp_file1.path)); + std::string script1("delete(\"" + std::string(temp_file1.path) + "\")"); + expect("1", script1.c_str(), kNoCause); + + // Delete two files. + TemporaryFile temp_file2; + ASSERT_TRUE(android::base::WriteStringToFile("abc", temp_file2.path)); + TemporaryFile temp_file3; + ASSERT_TRUE(android::base::WriteStringToFile("abc", temp_file3.path)); + std::string script2("delete(\"" + std::string(temp_file2.path) + "\", \"" + + std::string(temp_file3.path) + "\")"); + expect("2", script2.c_str(), kNoCause); + + // Delete already deleted files. + expect("0", script2.c_str(), kNoCause); + + // Delete one out of three. + TemporaryFile temp_file4; + ASSERT_TRUE(android::base::WriteStringToFile("abc", temp_file4.path)); + std::string script3("delete(\"/doesntexist1\", \"" + std::string(temp_file4.path) + + "\", \"/doesntexist2\")"); + expect("1", script3.c_str(), kNoCause); +} + +TEST_F(UpdaterTest, rename) { + // rename() expects two arguments. + expect(nullptr, "rename()", kArgsParsingFailure); + expect(nullptr, "rename(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "rename(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + // src_name or dst_name cannot be empty. + expect(nullptr, "rename(\"\", \"arg2\")", kArgsParsingFailure); + expect(nullptr, "rename(\"arg1\", \"\")", kArgsParsingFailure); + + // File doesn't exist (both of src and dst). + expect(nullptr, "rename(\"/doesntexist\", \"/doesntexisteither\")" , kFileRenameFailure); + + // Can't create parent directory. + TemporaryFile temp_file1; + ASSERT_TRUE(android::base::WriteStringToFile("abc", temp_file1.path)); + std::string script1("rename(\"" + std::string(temp_file1.path) + "\", \"/proc/0/file1\")"); + expect(nullptr, script1.c_str(), kFileRenameFailure); + + // Rename. + TemporaryFile temp_file2; + std::string script2("rename(\"" + std::string(temp_file1.path) + "\", \"" + + std::string(temp_file2.path) + "\")"); + expect(temp_file2.path, script2.c_str(), kNoCause); + + // Already renamed. + expect(temp_file2.path, script2.c_str(), kNoCause); + + // Parents create successfully. + TemporaryFile temp_file3; + TemporaryDir td; + std::string temp_dir(td.path); + std::string dst_file = temp_dir + "/aaa/bbb/a.txt"; + std::string script3("rename(\"" + std::string(temp_file3.path) + "\", \"" + dst_file + "\")"); + expect(dst_file.c_str(), script3.c_str(), kNoCause); + + // Clean up the temp files under td. + ASSERT_EQ(0, unlink(dst_file.c_str())); + ASSERT_EQ(0, rmdir((temp_dir + "/aaa/bbb").c_str())); + ASSERT_EQ(0, rmdir((temp_dir + "/aaa").c_str())); +} + +TEST_F(UpdaterTest, symlink) { + // symlink expects 1+ argument. + expect(nullptr, "symlink()", kArgsParsingFailure); + + // symlink should fail if src is an empty string. + TemporaryFile temp_file1; + std::string script1("symlink(\"" + std::string(temp_file1.path) + "\", \"\")"); + expect(nullptr, script1.c_str(), kSymlinkFailure); + + std::string script2("symlink(\"" + std::string(temp_file1.path) + "\", \"src1\", \"\")"); + expect(nullptr, script2.c_str(), kSymlinkFailure); + + // symlink failed to remove old src. + std::string script3("symlink(\"" + std::string(temp_file1.path) + "\", \"/proc\")"); + expect(nullptr, script3.c_str(), kSymlinkFailure); + + // symlink can create symlinks. + TemporaryFile temp_file; + std::string content = "magicvalue"; + ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file.path)); + + TemporaryDir td; + std::string src1 = std::string(td.path) + "/symlink1"; + std::string src2 = std::string(td.path) + "/symlink2"; + std::string script4("symlink(\"" + std::string(temp_file.path) + "\", \"" + + src1 + "\", \"" + src2 + "\")"); + expect("t", script4.c_str(), kNoCause); + + // Verify the created symlinks. + struct stat sb; + ASSERT_TRUE(lstat(src1.c_str(), &sb) == 0 && S_ISLNK(sb.st_mode)); + ASSERT_TRUE(lstat(src2.c_str(), &sb) == 0 && S_ISLNK(sb.st_mode)); + + // Clean up the leftovers. + ASSERT_EQ(0, unlink(src1.c_str())); + ASSERT_EQ(0, unlink(src2.c_str())); +} + +TEST_F(UpdaterTest, package_extract_dir) { + // package_extract_dir expects 2 arguments. + expect(nullptr, "package_extract_dir()", kArgsParsingFailure); + expect(nullptr, "package_extract_dir(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "package_extract_dir(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + std::string zip_path = from_testdata_base("ziptest_valid.zip"); + ZipArchiveHandle handle; + ASSERT_EQ(0, OpenArchive(zip_path.c_str(), &handle)); + + // Need to set up the ziphandle. + UpdaterInfo updater_info; + updater_info.package_zip = handle; + + // Extract "b/c.txt" and "b/d.txt" with package_extract_dir("b", "<dir>"). + TemporaryDir td; + std::string temp_dir(td.path); + std::string script("package_extract_dir(\"b\", \"" + temp_dir + "\")"); + expect("t", script.c_str(), kNoCause, &updater_info); + + // Verify. + std::string data; + std::string file_c = temp_dir + "/c.txt"; + ASSERT_TRUE(android::base::ReadFileToString(file_c, &data)); + ASSERT_EQ(kCTxtContents, data); + + std::string file_d = temp_dir + "/d.txt"; + ASSERT_TRUE(android::base::ReadFileToString(file_d, &data)); + ASSERT_EQ(kDTxtContents, data); + + // Modify the contents in order to retry. It's expected to be overwritten. + ASSERT_TRUE(android::base::WriteStringToFile("random", file_c)); + ASSERT_TRUE(android::base::WriteStringToFile("random", file_d)); + + // Extract again and verify. + expect("t", script.c_str(), kNoCause, &updater_info); + + ASSERT_TRUE(android::base::ReadFileToString(file_c, &data)); + ASSERT_EQ(kCTxtContents, data); + ASSERT_TRUE(android::base::ReadFileToString(file_d, &data)); + ASSERT_EQ(kDTxtContents, data); + + // Clean up the temp files under td. + ASSERT_EQ(0, unlink(file_c.c_str())); + ASSERT_EQ(0, unlink(file_d.c_str())); + + // Extracting "b/" (with slash) should give the same result. + script = "package_extract_dir(\"b/\", \"" + temp_dir + "\")"; + expect("t", script.c_str(), kNoCause, &updater_info); + + ASSERT_TRUE(android::base::ReadFileToString(file_c, &data)); + ASSERT_EQ(kCTxtContents, data); + ASSERT_TRUE(android::base::ReadFileToString(file_d, &data)); + ASSERT_EQ(kDTxtContents, data); + + ASSERT_EQ(0, unlink(file_c.c_str())); + ASSERT_EQ(0, unlink(file_d.c_str())); + + // Extracting "" is allowed. The entries will carry the path name. + script = "package_extract_dir(\"\", \"" + temp_dir + "\")"; + expect("t", script.c_str(), kNoCause, &updater_info); + + std::string file_a = temp_dir + "/a.txt"; + ASSERT_TRUE(android::base::ReadFileToString(file_a, &data)); + ASSERT_EQ(kATxtContents, data); + std::string file_b = temp_dir + "/b.txt"; + ASSERT_TRUE(android::base::ReadFileToString(file_b, &data)); + ASSERT_EQ(kBTxtContents, data); + std::string file_b_c = temp_dir + "/b/c.txt"; + ASSERT_TRUE(android::base::ReadFileToString(file_b_c, &data)); + ASSERT_EQ(kCTxtContents, data); + std::string file_b_d = temp_dir + "/b/d.txt"; + ASSERT_TRUE(android::base::ReadFileToString(file_b_d, &data)); + ASSERT_EQ(kDTxtContents, data); + + ASSERT_EQ(0, unlink(file_a.c_str())); + ASSERT_EQ(0, unlink(file_b.c_str())); + ASSERT_EQ(0, unlink(file_b_c.c_str())); + ASSERT_EQ(0, unlink(file_b_d.c_str())); + ASSERT_EQ(0, rmdir((temp_dir + "/b").c_str())); + + // Extracting non-existent entry should still give "t". + script = "package_extract_dir(\"doesntexist\", \"" + temp_dir + "\")"; + expect("t", script.c_str(), kNoCause, &updater_info); + + // Only relative zip_path is allowed. + script = "package_extract_dir(\"/b\", \"" + temp_dir + "\")"; + expect("", script.c_str(), kNoCause, &updater_info); + + // Only absolute dest_path is allowed. + script = "package_extract_dir(\"b\", \"path\")"; + expect("", script.c_str(), kNoCause, &updater_info); + + CloseArchive(handle); +} + +// TODO: Test extracting to block device. +TEST_F(UpdaterTest, package_extract_file) { + // package_extract_file expects 1 or 2 arguments. + expect(nullptr, "package_extract_file()", kArgsParsingFailure); + expect(nullptr, "package_extract_file(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + std::string zip_path = from_testdata_base("ziptest_valid.zip"); + ZipArchiveHandle handle; + ASSERT_EQ(0, OpenArchive(zip_path.c_str(), &handle)); + + // Need to set up the ziphandle. + UpdaterInfo updater_info; + updater_info.package_zip = handle; + + // Two-argument version. + TemporaryFile temp_file1; + std::string script("package_extract_file(\"a.txt\", \"" + std::string(temp_file1.path) + "\")"); + expect("t", script.c_str(), kNoCause, &updater_info); + + // Verify the extracted entry. + std::string data; + ASSERT_TRUE(android::base::ReadFileToString(temp_file1.path, &data)); + ASSERT_EQ(kATxtContents, data); + + // Now extract another entry to the same location, which should overwrite. + script = "package_extract_file(\"b.txt\", \"" + std::string(temp_file1.path) + "\")"; + expect("t", script.c_str(), kNoCause, &updater_info); + + ASSERT_TRUE(android::base::ReadFileToString(temp_file1.path, &data)); + ASSERT_EQ(kBTxtContents, data); + + // Missing zip entry. The two-argument version doesn't abort. + script = "package_extract_file(\"doesntexist\", \"" + std::string(temp_file1.path) + "\")"; + expect("", script.c_str(), kNoCause, &updater_info); + + // Extract to /dev/full should fail. + script = "package_extract_file(\"a.txt\", \"/dev/full\")"; + expect("", script.c_str(), kNoCause, &updater_info); + + // One-argument version. + script = "sha1_check(package_extract_file(\"a.txt\"))"; + expect(kATxtSha1Sum.c_str(), script.c_str(), kNoCause, &updater_info); + + script = "sha1_check(package_extract_file(\"b.txt\"))"; + expect(kBTxtSha1Sum.c_str(), script.c_str(), kNoCause, &updater_info); + + // Missing entry. The one-argument version aborts the evaluation. + script = "package_extract_file(\"doesntexist\")"; + expect(nullptr, script.c_str(), kPackageExtractFileFailure, &updater_info); + + CloseArchive(handle); +} + +TEST_F(UpdaterTest, write_value) { + // write_value() expects two arguments. + expect(nullptr, "write_value()", kArgsParsingFailure); + expect(nullptr, "write_value(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "write_value(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + // filename cannot be empty. + expect(nullptr, "write_value(\"value\", \"\")", kArgsParsingFailure); + + // Write some value to file. + TemporaryFile temp_file; + std::string value = "magicvalue"; + std::string script("write_value(\"" + value + "\", \"" + std::string(temp_file.path) + "\")"); + expect("t", script.c_str(), kNoCause); + + // Verify the content. + std::string content; + ASSERT_TRUE(android::base::ReadFileToString(temp_file.path, &content)); + ASSERT_EQ(value, content); + + // Allow writing empty string. + script = "write_value(\"\", \"" + std::string(temp_file.path) + "\")"; + expect("t", script.c_str(), kNoCause); + + // Verify the content. + ASSERT_TRUE(android::base::ReadFileToString(temp_file.path, &content)); + ASSERT_EQ("", content); + + // It should fail gracefully when write fails. + script = "write_value(\"value\", \"/proc/0/file1\")"; + expect("", script.c_str(), kNoCause); +} + +TEST_F(UpdaterTest, get_stage) { + // get_stage() expects one argument. + expect(nullptr, "get_stage()", kArgsParsingFailure); + expect(nullptr, "get_stage(\"arg1\", \"arg2\")", kArgsParsingFailure); + expect(nullptr, "get_stage(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + // Set up a local file as BCB. + TemporaryFile tf; + std::string temp_file(tf.path); + bootloader_message boot; + strlcpy(boot.stage, "2/3", sizeof(boot.stage)); + std::string err; + ASSERT_TRUE(write_bootloader_message_to(boot, temp_file, &err)); + + // Can read the stage value. + std::string script("get_stage(\"" + temp_file + "\")"); + expect("2/3", script.c_str(), kNoCause); + + // Bad BCB path. + script = "get_stage(\"doesntexist\")"; + expect("", script.c_str(), kNoCause); +} + +TEST_F(UpdaterTest, set_stage) { + // set_stage() expects two arguments. + expect(nullptr, "set_stage()", kArgsParsingFailure); + expect(nullptr, "set_stage(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "set_stage(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + // Set up a local file as BCB. + TemporaryFile tf; + std::string temp_file(tf.path); + bootloader_message boot; + strlcpy(boot.command, "command", sizeof(boot.command)); + strlcpy(boot.stage, "2/3", sizeof(boot.stage)); + std::string err; + ASSERT_TRUE(write_bootloader_message_to(boot, temp_file, &err)); + + // Write with set_stage(). + std::string script("set_stage(\"" + temp_file + "\", \"1/3\")"); + expect(tf.path, script.c_str(), kNoCause); + + // Verify. + bootloader_message boot_verify; + ASSERT_TRUE(read_bootloader_message_from(&boot_verify, temp_file, &err)); + + // Stage should be updated, with command part untouched. + ASSERT_STREQ("1/3", boot_verify.stage); + ASSERT_STREQ(boot.command, boot_verify.command); + + // Bad BCB path. + script = "set_stage(\"doesntexist\", \"1/3\")"; + expect("", script.c_str(), kNoCause); + + script = "set_stage(\"/dev/full\", \"1/3\")"; + expect("", script.c_str(), kNoCause); +} + +TEST_F(UpdaterTest, set_progress) { + // set_progress() expects one argument. + expect(nullptr, "set_progress()", kArgsParsingFailure); + expect(nullptr, "set_progress(\"arg1\", \"arg2\")", kArgsParsingFailure); + + // Invalid progress argument. + expect(nullptr, "set_progress(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "set_progress(\"3x+5\")", kArgsParsingFailure); + expect(nullptr, "set_progress(\".3.5\")", kArgsParsingFailure); + + TemporaryFile tf; + UpdaterInfo updater_info; + updater_info.cmd_pipe = fdopen(tf.fd, "w"); + expect(".52", "set_progress(\".52\")", kNoCause, &updater_info); + fflush(updater_info.cmd_pipe); + + std::string cmd; + ASSERT_TRUE(android::base::ReadFileToString(tf.path, &cmd)); + ASSERT_EQ(android::base::StringPrintf("set_progress %f\n", .52), cmd); + // recovery-updater protocol expects 2 tokens ("set_progress <frac>"). + ASSERT_EQ(2U, android::base::Split(cmd, " ").size()); +} + +TEST_F(UpdaterTest, show_progress) { + // show_progress() expects two arguments. + expect(nullptr, "show_progress()", kArgsParsingFailure); + expect(nullptr, "show_progress(\"arg1\")", kArgsParsingFailure); + expect(nullptr, "show_progress(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure); + + // Invalid progress arguments. + expect(nullptr, "show_progress(\"arg1\", \"arg2\")", kArgsParsingFailure); + expect(nullptr, "show_progress(\"3x+5\", \"10\")", kArgsParsingFailure); + expect(nullptr, "show_progress(\".3\", \"5a\")", kArgsParsingFailure); + + TemporaryFile tf; + UpdaterInfo updater_info; + updater_info.cmd_pipe = fdopen(tf.fd, "w"); + expect(".52", "show_progress(\".52\", \"10\")", kNoCause, &updater_info); + fflush(updater_info.cmd_pipe); + + std::string cmd; + ASSERT_TRUE(android::base::ReadFileToString(tf.path, &cmd)); + ASSERT_EQ(android::base::StringPrintf("progress %f %d\n", .52, 10), cmd); + // recovery-updater protocol expects 3 tokens ("progress <frac> <secs>"). + ASSERT_EQ(3U, android::base::Split(cmd, " ").size()); +} |