30dec070dd
The code in libziparchive has lots of questionable looking but not
obviously wrong integer operations. In order to shake out integer bugs
in libziparchive (for example, commit
1ee4892e66
from bug 31251826) and provide
protection against security bugs, enable some integer sanitization
options in libziparchive.
Bug: 122975762
Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=941802
Test: device boots and no obvious problems.
Change-Id: I215d81892a6eff12d692648c69a03e8200b334d7
179 lines
3.9 KiB
Text
179 lines
3.9 KiB
Text
//
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// Copyright (C) 2013 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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cc_defaults {
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name: "libziparchive_flags",
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cflags: [
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// ZLIB_CONST turns on const for input buffers, which is pretty standard.
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"-DZLIB_CONST",
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"-Werror",
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"-Wall",
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"-D_FILE_OFFSET_BITS=64",
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],
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cppflags: [
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// Incorrectly warns when C++11 empty brace {} initializer is used.
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// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61489
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"-Wno-missing-field-initializers",
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],
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// Enable -Wold-style-cast only for non-Windows targets. _islower_l,
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// _isupper_l etc. in MinGW locale_win32.h (included from
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// libcxx/include/__locale) has an old-style-cast.
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target: {
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not_windows: {
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cppflags: [
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"-Wold-style-cast",
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],
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},
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},
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sanitize: {
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misc_undefined: [
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"signed-integer-overflow",
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"unsigned-integer-overflow",
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"shift",
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"integer-divide-by-zero",
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"implicit-signed-integer-truncation",
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// TODO: Fix crash when we enable this option
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// "implicit-unsigned-integer-truncation",
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// TODO: not tested yet.
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// "implicit-integer-sign-change",
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],
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},
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}
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cc_defaults {
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name: "libziparchive_defaults",
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srcs: [
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"zip_archive.cc",
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"zip_archive_stream_entry.cc",
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"zip_writer.cc",
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],
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target: {
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windows: {
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cflags: ["-mno-ms-bitfields"],
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enabled: true,
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},
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},
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shared_libs: [
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"libbase",
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"liblog",
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],
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export_include_dirs: ["include"],
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}
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cc_library {
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name: "libziparchive",
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host_supported: true,
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vendor_available: true,
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recovery_available: true,
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vndk: {
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enabled: true,
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},
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double_loadable: true,
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export_shared_lib_headers: ["libbase"],
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defaults: [
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"libziparchive_defaults",
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"libziparchive_flags",
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],
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shared_libs: [
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"liblog",
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"libbase",
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"libz",
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],
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target: {
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linux_bionic: {
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enabled: true,
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},
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},
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}
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// Tests.
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cc_test {
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name: "ziparchive-tests",
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host_supported: true,
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defaults: ["libziparchive_flags"],
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data: [
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"testdata/**/*",
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],
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srcs: [
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"entry_name_utils_test.cc",
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"zip_archive_test.cc",
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"zip_writer_test.cc",
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],
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shared_libs: [
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"libbase",
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"liblog",
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],
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static_libs: [
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"libziparchive",
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"libz",
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"libutils",
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],
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target: {
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host: {
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cppflags: ["-Wno-unnamed-type-template-args"],
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},
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windows: {
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enabled: true,
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},
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},
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test_suites: ["device-tests"],
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}
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// Performance benchmarks.
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cc_benchmark {
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name: "ziparchive-benchmarks",
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defaults: ["libziparchive_flags"],
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srcs: [
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"zip_archive_benchmark.cpp",
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],
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shared_libs: [
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"libbase",
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"liblog",
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],
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static_libs: [
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"libziparchive",
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"libz",
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"libutils",
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],
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target: {
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host: {
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cppflags: ["-Wno-unnamed-type-template-args"],
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},
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},
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}
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cc_binary {
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name: "unzip",
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defaults: ["libziparchive_flags"],
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srcs: ["unzip.cpp"],
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shared_libs: [
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"libbase",
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"libziparchive",
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],
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recovery_available: true,
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}
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