InstalldNativeService.cpp revision edae669f18eb99b9316891fdde627e2f385c3c64
194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* 294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Copyright 2008, The Android Open Source Project 394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 4d93707342a61e66bc3eb2145628158452f577f42Dave Allison** Licensed under the Apache License, Version 2.0 (the "License"); 5d93707342a61e66bc3eb2145628158452f577f42Dave Allison** you may not use this file except in compliance with the License. 6d93707342a61e66bc3eb2145628158452f577f42Dave Allison** You may obtain a copy of the License at 794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 8d93707342a61e66bc3eb2145628158452f577f42Dave Allison** http://www.apache.org/licenses/LICENSE-2.0 994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 10d93707342a61e66bc3eb2145628158452f577f42Dave Allison** Unless required by applicable law or agreed to in writing, software 11d93707342a61e66bc3eb2145628158452f577f42Dave Allison** distributed under the License is distributed on an "AS IS" BASIS, 12d93707342a61e66bc3eb2145628158452f577f42Dave Allison** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d93707342a61e66bc3eb2145628158452f577f42Dave Allison** See the License for the specific language governing permissions and 1494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** limitations under the License. 1594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood*/ 1694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include "commands.h" 1802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 1902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <errno.h> 2002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <inttypes.h> 2102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <stdlib.h> 2202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/capability.h> 2302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/file.h> 2402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/resource.h> 2502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/stat.h> 26cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey#include <sys/types.h> 276a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle#include <sys/wait.h> 28cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey#include <sys/xattr.h> 2902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <unistd.h> 3041ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey 31e4ec9eb7b4c452493589983970ba5ccc501728d1Elliott Hughes#include <android-base/stringprintf.h> 32e4ec9eb7b4c452493589983970ba5ccc501728d1Elliott Hughes#include <android-base/logging.h> 3302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <cutils/fs.h> 3402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <cutils/log.h> // TODO: Move everything to base/logging. 350378aaf257aee92539d30543914a50c4481c6a18Brian Carlstrom#include <cutils/sched_policy.h> 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <diskusage/dirsize.h> 37e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey#include <logwrap/logwrap.h> 3802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <private/android_filesystem_config.h> 39e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey#include <selinux/android.h> 4002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <system/thread_defs.h> 41e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 4202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <globals.h> 4302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <installd_deps.h> 4402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <utils.h> 4502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 4602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#ifndef LOG_TAG 4702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#define LOG_TAG "installd" 4802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#endif 4941ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey 5041ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkeyusing android::base::StringPrintf; 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampenamespace android { 5302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampenamespace installd { 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 55cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkeystatic constexpr const char* kCpPath = "/system/bin/cp"; 56cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkeystatic constexpr const char* kXattrDefault = "user.default"; 57e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 58eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis#define MIN_RESTRICTED_HOME_SDK_VERSION 24 // > M 59eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis 606a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravletypedef int fd_t; 616a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 626a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic bool property_get_bool(const char* property_name, bool default_value = false) { 636a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle char tmp_property_value[kPropertyValueMax]; 646a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool have_property = get_property(property_name, tmp_property_value, nullptr) > 0; 656a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (!have_property) { 666a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return default_value; 676a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 686a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return strcmp(tmp_property_value, "true") == 0; 696a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 706a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 71c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkeyint create_app_data(const char *uuid, const char *pkgname, userid_t userid, int flags, 72eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis appid_t appid, const char* seinfo, int target_sdk_version) { 73c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey uid_t uid = multiuser_get_uid(userid, appid); 74eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis int target_mode = target_sdk_version >= MIN_RESTRICTED_HOME_SDK_VERSION ? 0700 : 0751; 75aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_CE) { 76c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey auto path = create_data_user_package_path(uuid, userid, pkgname); 77eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis if (fs_prepare_dir_strict(path.c_str(), target_mode, uid, uid) != 0) { 78c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey PLOG(ERROR) << "Failed to prepare " << path; 79c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey return -1; 80c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 81c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (selinux_android_setfilecon(path.c_str(), pkgname, seinfo, uid) < 0) { 82c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey PLOG(ERROR) << "Failed to setfilecon " << path; 83c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey return -1; 84c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_DE) { 87c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey auto path = create_data_user_de_package_path(uuid, userid, pkgname); 88eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis if (fs_prepare_dir_strict(path.c_str(), target_mode, uid, uid) == -1) { 89c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey PLOG(ERROR) << "Failed to prepare " << path; 90a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey // TODO: include result once 25796509 is fixed 91a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey return 0; 92c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 93c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (selinux_android_setfilecon(path.c_str(), pkgname, seinfo, uid) < 0) { 94c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey PLOG(ERROR) << "Failed to setfilecon " << path; 95a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey // TODO: include result once 25796509 is fixed 96a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey return 0; 97c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 986a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 996a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (property_get_bool("dalvik.vm.usejitprofiles")) { 1006a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle const std::string profile_path = create_data_user_profile_package_path(userid, pkgname); 1016a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // read-write-execute only for the app user. 1026a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (fs_prepare_dir_strict(profile_path.c_str(), 0700, uid, uid) != 0) { 1036a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(ERROR) << "Failed to prepare " << profile_path; 1046a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return -1; 1056a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 1066a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle const std::string ref_profile_path = create_data_ref_profile_package_path(pkgname); 1076a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // dex2oat/profman runs under the shared app gid and it needs to read/write reference 1086a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // profiles. 1096a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle appid_t shared_app_gid = multiuser_get_shared_app_gid(uid); 1106a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (fs_prepare_dir_strict( 1116a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ref_profile_path.c_str(), 0700, shared_app_gid, shared_app_gid) != 0) { 1126a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(ERROR) << "Failed to prepare " << ref_profile_path; 1136a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return -1; 1146a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 1156a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 11694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 11794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 11894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 11994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 120cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkeyint migrate_app_data(const char *uuid, const char *pkgname, userid_t userid, int flags) { 121cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey // This method only exists to upgrade system apps that have requested 122cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey // forceDeviceEncrypted, so their default storage always lives in a 123cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey // consistent location. This only works on non-FBE devices, since we 124cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey // never want to risk exposing data on a device with real CE/DE storage. 125cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey 126cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey auto ce_path = create_data_user_package_path(uuid, userid, pkgname); 127cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey auto de_path = create_data_user_de_package_path(uuid, userid, pkgname); 128cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey 129cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey // If neither directory is marked as default, assume CE is default 130cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey if (getxattr(ce_path.c_str(), kXattrDefault, nullptr, 0) == -1 131cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey && getxattr(de_path.c_str(), kXattrDefault, nullptr, 0) == -1) { 132cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey if (setxattr(ce_path.c_str(), kXattrDefault, nullptr, 0, 0) != 0) { 133cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey PLOG(ERROR) << "Failed to mark default storage " << ce_path; 134cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey return -1; 135cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey } 136cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey } 137cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey 138cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey // Migrate default data location if needed 139cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey auto target = (flags & FLAG_STORAGE_DE) ? de_path : ce_path; 140cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey auto source = (flags & FLAG_STORAGE_DE) ? ce_path : de_path; 141cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey 142cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey if (getxattr(target.c_str(), kXattrDefault, nullptr, 0) == -1) { 143cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey LOG(WARNING) << "Requested default storage " << target 144cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey << " is not active; migrating from " << source; 145cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey if (delete_dir_contents_and_dir(target) != 0) { 146cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey PLOG(ERROR) << "Failed to delete"; 147cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey return -1; 148cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey } 149cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey if (rename(source.c_str(), target.c_str()) != 0) { 150cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey PLOG(ERROR) << "Failed to rename"; 151cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey return -1; 152cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey } 153cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey } 154cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey 155cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey return 0; 156cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey} 157cc6281cf8146cddb8ace7cbd58c67321639c1520Jeff Sharkey 1586a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle// Keep profile paths in sync with ActivityThread. 1596a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravleconstexpr const char* PRIMARY_PROFILE_NAME = "primary.prof"; 1606a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic std::string create_primary_profile(const std::string& profile_dir) { 1616a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return StringPrintf("%s/%s", profile_dir.c_str(), PRIMARY_PROFILE_NAME); 1626a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 1636a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 164d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdilstatic bool unlink_reference_profile(const char* pkgname) { 1656a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::string reference_profile_dir = create_data_ref_profile_package_path(pkgname); 1666a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::string reference_profile = create_primary_profile(reference_profile_dir); 1676a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (unlink(reference_profile.c_str()) != 0) { 168278edac4b541e0a671d646a0e17bdbea411c8a08Calin Juravle if (errno != ENOENT) { 169278edac4b541e0a671d646a0e17bdbea411c8a08Calin Juravle PLOG(WARNING) << "Could not unlink " << reference_profile; 170d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil return false; 171278edac4b541e0a671d646a0e17bdbea411c8a08Calin Juravle } 1726a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 173d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil return true; 1746a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 1756a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 176edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravlestatic bool unlink_current_profile(const char* pkgname, userid_t user) { 177edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle std::string profile_dir = create_data_user_profile_package_path(user, pkgname); 178edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle std::string profile = create_primary_profile(profile_dir); 179edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle if (unlink(profile.c_str()) != 0) { 180edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle if (errno != ENOENT) { 181edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle PLOG(WARNING) << "Could not unlink " << profile; 182edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle return false; 183edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle } 184edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle } 185edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle return true; 186edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle} 187edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle 188d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdilstatic bool unlink_current_profiles(const char* pkgname) { 189d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil bool success = true; 1906a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::vector<userid_t> users = get_known_users(/*volume_uuid*/ nullptr); 1916a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle for (auto user : users) { 192edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle success &= unlink_current_profile(pkgname, user); 1936a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 194d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil return success; 1956a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 1966a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 197edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravleint clear_app_profiles(const char* pkgname) { 198d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil bool success = true; 199d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil success &= unlink_reference_profile(pkgname); 200d828d6839f6a01e3f0b2b8b2694139dfa801c557David Brazdil success &= unlink_current_profiles(pkgname); 201edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle return success ? 0 : -1; 2026a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 2036a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 204c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkeyint clear_app_data(const char *uuid, const char *pkgname, userid_t userid, int flags) { 205c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey std::string suffix = ""; 206edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle bool only_cache = false; 207c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (flags & FLAG_CLEAR_CACHE_ONLY) { 208c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey suffix = CACHE_DIR_POSTFIX; 209edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle only_cache = true; 210c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } else if (flags & FLAG_CLEAR_CODE_CACHE_ONLY) { 211c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey suffix = CODE_CACHE_DIR_POSTFIX; 212edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle only_cache = true; 213c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 21494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 215ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey int res = 0; 216aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_CE) { 217c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey auto path = create_data_user_package_path(uuid, userid, pkgname) + suffix; 218c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (access(path.c_str(), F_OK) == 0) { 219c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey res |= delete_dir_contents(path); 220c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 22194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 222aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_DE) { 223c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey auto path = create_data_user_de_package_path(uuid, userid, pkgname) + suffix; 224c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (access(path.c_str(), F_OK) == 0) { 225a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey // TODO: include result once 25796509 is fixed 226a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey delete_dir_contents(path); 227c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 228edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle if (!only_cache) { 229edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle if (!unlink_current_profile(pkgname, userid)) { 230edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle res |= -1; 231edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle } 232edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle } 23394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 234c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey return res; 235c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey} 23694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 237edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravlestatic int destroy_app_current_profiles(const char *pkgname, userid_t userid) { 238edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle return delete_dir_contents_and_dir(create_data_user_profile_package_path(userid, pkgname)); 239edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle} 240edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle 241edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravleint destroy_app_profiles(const char *pkgname) { 242edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle int result = 0; 243edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle std::vector<userid_t> users = get_known_users(/*volume_uuid*/ nullptr); 244edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle for (auto user : users) { 245edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle result |= destroy_app_current_profiles(pkgname, user); 246edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle } 247edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle result |= delete_dir_contents_and_dir(create_data_ref_profile_package_path(pkgname)); 248edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle return result; 249caa6b809a5ed024a8f3f551c5c109a5ad50ab772Calin Juravle} 250caa6b809a5ed024a8f3f551c5c109a5ad50ab772Calin Juravle 251c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkeyint destroy_app_data(const char *uuid, const char *pkgname, userid_t userid, int flags) { 252c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey int res = 0; 253aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_CE) { 254c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey res |= delete_dir_contents_and_dir( 255c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey create_data_user_package_path(uuid, userid, pkgname)); 25694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 257aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_DE) { 258caa6b809a5ed024a8f3f551c5c109a5ad50ab772Calin Juravle res |= delete_dir_contents_and_dir( 259c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey create_data_user_de_package_path(uuid, userid, pkgname)); 26094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 261edae669f18eb99b9316891fdde627e2f385c3c64Calin Juravle destroy_app_current_profiles(pkgname, userid); 262c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey return res; 26394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 26494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 265c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkeyint move_complete_app(const char *from_uuid, const char *to_uuid, const char *package_name, 266eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis const char *data_app_name, appid_t appid, const char* seinfo, int target_sdk_version) { 267e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey std::vector<userid_t> users = get_known_users(from_uuid); 268e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 269d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey // Copy app 270d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey { 271d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string from(create_data_app_package_path(from_uuid, data_app_name)); 272d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string to(create_data_app_package_path(to_uuid, data_app_name)); 273d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string to_parent(create_data_app_path(to_uuid)); 274d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 275d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey char *argv[] = { 276d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) kCpPath, 277d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) "-F", /* delete any existing destination file first (--remove-destination) */ 278d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) "-p", /* preserve timestamps, ownership, and permissions */ 279d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) "-R", /* recurse into subdirectories (DEST must be a directory) */ 280d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) "-P", /* Do not follow symlinks [default] */ 281d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) "-d", /* don't dereference symlinks */ 282d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) from.c_str(), 283d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) to_parent.c_str() 284d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey }; 285d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 286d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey LOG(DEBUG) << "Copying " << from << " to " << to; 287d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey int rc = android_fork_execvp(ARRAY_SIZE(argv), argv, NULL, false, true); 288d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 289d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (rc != 0) { 290d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey LOG(ERROR) << "Failed copying " << from << " to " << to 291d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey << ": status " << rc; 292d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey goto fail; 293d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 294d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 295d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (selinux_android_restorecon(to.c_str(), SELINUX_ANDROID_RESTORECON_RECURSE) != 0) { 296d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey LOG(ERROR) << "Failed to restorecon " << to; 297d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey goto fail; 298d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 299d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 300d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 301d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey // Copy private data for all known users 302ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey // TODO: handle user_de paths 303e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey for (auto user : users) { 304d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string from(create_data_user_package_path(from_uuid, user, package_name)); 305d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string to(create_data_user_package_path(to_uuid, user, package_name)); 306d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string to_parent(create_data_user_path(to_uuid, user)); 307e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 308e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey // Data source may not exist for all users; that's okay 309e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey if (access(from.c_str(), F_OK) != 0) { 310e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey LOG(INFO) << "Missing source " << from; 311e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey continue; 312e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 313e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 314e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey std::string user_path(create_data_user_path(to_uuid, user)); 315e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey if (fs_prepare_dir(user_path.c_str(), 0771, AID_SYSTEM, AID_SYSTEM) != 0) { 316e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey LOG(ERROR) << "Failed to prepare user target " << user_path; 317e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey goto fail; 318e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 319e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 320aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (create_app_data(to_uuid, package_name, user, FLAG_STORAGE_CE | FLAG_STORAGE_DE, 321eecb2d205366351af42fd0cd9e1a95de3980764eJanis Danisevskis appid, seinfo, target_sdk_version) != 0) { 322e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey LOG(ERROR) << "Failed to create package target " << to; 323e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey goto fail; 324e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 325e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 326e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey char *argv[] = { 327e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) kCpPath, 328e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) "-F", /* delete any existing destination file first (--remove-destination) */ 329e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) "-p", /* preserve timestamps, ownership, and permissions */ 330e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) "-R", /* recurse into subdirectories (DEST must be a directory) */ 331e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) "-P", /* Do not follow symlinks [default] */ 332e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) "-d", /* don't dereference symlinks */ 333e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey (char*) from.c_str(), 334d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey (char*) to_parent.c_str() 335e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey }; 336e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 337e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey LOG(DEBUG) << "Copying " << from << " to " << to; 338e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey int rc = android_fork_execvp(ARRAY_SIZE(argv), argv, NULL, false, true); 339e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 340e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey if (rc != 0) { 341e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey LOG(ERROR) << "Failed copying " << from << " to " << to 342e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey << ": status " << rc; 343e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey goto fail; 344e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 345e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 346aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (restorecon_app_data(to_uuid, package_name, user, FLAG_STORAGE_CE | FLAG_STORAGE_DE, 347c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey appid, seinfo) != 0) { 348c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey LOG(ERROR) << "Failed to restorecon"; 349c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey goto fail; 350c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 351e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 352e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 35331f08986f83fa6f2dcf55523b2cf706460aeed7cJeff Sharkey // We let the framework scan the new location and persist that before 35431f08986f83fa6f2dcf55523b2cf706460aeed7cJeff Sharkey // deleting the data in the old location; this ordering ensures that 35531f08986f83fa6f2dcf55523b2cf706460aeed7cJeff Sharkey // we can recover from things like battery pulls. 356e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey return 0; 357e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 358e36372423000a906bafae68844ebc6c42d09335aJeff Sharkeyfail: 359e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey // Nuke everything we might have already copied 360d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey { 361d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string to(create_data_app_package_path(to_uuid, data_app_name)); 362d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (delete_dir_contents(to.c_str(), 1, NULL) != 0) { 363d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey LOG(WARNING) << "Failed to rollback " << to; 364d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 365d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 366e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey for (auto user : users) { 367d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string to(create_data_user_package_path(to_uuid, user, package_name)); 368e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey if (delete_dir_contents(to.c_str(), 1, NULL) != 0) { 369e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey LOG(WARNING) << "Failed to rollback " << to; 370e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 371e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey } 372e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey return -1; 373e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey} 374e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 3757c8bec01790087748ec7afa69a31789828b751f9Robin Leeint make_user_config(userid_t userid) 37694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 377095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if (ensure_config_user_dirs(userid) == -1) { 37894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 37994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 380095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 381095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return 0; 382095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee} 383095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 384ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkeyint delete_user(const char *uuid, userid_t userid) { 385ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey int res = 0; 386095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 38741ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey std::string data_path(create_data_user_path(uuid, userid)); 388ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey std::string data_de_path(create_data_user_de_path(uuid, userid)); 38941ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey std::string media_path(create_data_media_path(uuid, userid)); 3906a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::string profiles_path(create_data_user_profiles_path(userid)); 391ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey 392ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey res |= delete_dir_contents_and_dir(data_path); 393a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey // TODO: include result once 25796509 is fixed 394a03c747ff6e1afb5c1dc86560705bd979cd5c49fJeff Sharkey delete_dir_contents_and_dir(data_de_path); 395ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey res |= delete_dir_contents_and_dir(media_path); 3966a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle res |= delete_dir_contents_and_dir(profiles_path); 397095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 39841ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey // Config paths only exist on internal storage 39941ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey if (uuid == nullptr) { 40041ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey char config_path[PATH_MAX]; 40141ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey if ((create_user_config_path(config_path, userid) != 0) 40241ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey || (delete_dir_contents(config_path, 1, NULL) != 0)) { 403ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey res = -1; 40441ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey } 40594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 407ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey return res; 40894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 40994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Try to ensure free_size bytes of storage are available. 41194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * Returns 0 on success. 41294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * This is rather simple-minded because doing a full LRU would 41394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * be potentially memory-intensive, and without atime it would 41494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * also require that apps constantly modify file metadata even 41594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * when just reading from the cache, which is pretty awful. 41694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 41741ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkeyint free_cache(const char *uuid, int64_t free_size) 41894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 41994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache_t* cache; 42094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t avail; 42194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 42294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 42394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char tmpdir[PATH_MAX]; 42494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *dirpos; 42594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 42641ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey std::string data_path(create_data_path(uuid)); 42741ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey 42841ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey avail = data_disk_free(data_path); 42994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail < 0) return -1; 43094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 43194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGI("free_cache(%" PRId64 ") avail %" PRId64 "\n", free_size, avail); 43294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail >= free_size) return 0; 43394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 43494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache = start_cache_collection(); 43594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 43641ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey // Special case for owner on internal storage 43741ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey if (uuid == nullptr) { 43841ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey std::string _tmpdir(create_data_user_path(nullptr, 0)); 43941ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey add_cache_files(cache, _tmpdir.c_str(), "cache"); 44094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 44194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 44294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Search for other users and add any cache files from them. 44341ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey std::string _tmpdir(create_data_path(uuid) + "/" + SECONDARY_USER_PREFIX); 44441ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey strcpy(tmpdir, _tmpdir.c_str()); 44541ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey 44694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 44794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 44894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 44994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 45094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 45194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 45294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 45394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 45494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 45594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 45694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 45794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 45894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 45994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 46094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 46194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 46294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 46394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 46794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 46994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files on external storage for all users (if it is mounted as part 47094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // of the internal storage). 47194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(tmpdir, android_media_dir.path); 47294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 47394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 47494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 47594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 47694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 47794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 47894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* skip any dir that doesn't start with a number, so not a user */ 47994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] < '0' || name[0] > '9') { 48094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 48194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 48394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 48494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lookup_media_dir(tmpdir, "Android") == 0 48594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood && lookup_media_dir(tmpdir, "data") == 0) { 48694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 48794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 48894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 49094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 49194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 49594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 49741ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey clear_cache_files(data_path, cache, free_size); 49894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood finish_cache_collection(cache); 49994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 50041ea424413c0381ef2aa15fc5bd5d4b88abd23c4Jeff Sharkey return data_disk_free(data_path) >= free_size ? 0 : -1; 50194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 50294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5031b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint rm_dex(const char *path, const char *instruction_set) 50494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 50594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dex_path[PKG_PATH_MAX]; 50694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 507770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (validate_apk_path(path) && validate_system_app_path(path)) { 508770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey ALOGE("invalid apk path '%s' (bad prefix)\n", path); 509770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey return -1; 510770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 511770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey 51202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (!create_cache_path(dex_path, path, instruction_set)) return -1; 51394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 51494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("unlink %s\n", dex_path); 51594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(dex_path) < 0) { 516770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (errno != ENOENT) { 517770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey ALOGE("Couldn't unlink %s: %s\n", dex_path, strerror(errno)); 518770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 51994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 52094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 52194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 52294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 52394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 52494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 525c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkeyint get_app_size(const char *uuid, const char *pkgname, int userid, int flags, 526c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey const char *apkpath, const char *libdirpath, const char *fwdlock_apkpath, 527c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey const char *asecpath, const char *instruction_set, int64_t *_codesize, int64_t *_datasize, 528c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey int64_t *_cachesize, int64_t* _asecsize) { 52994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 53094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd; 53194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 53294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 53394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char path[PKG_PATH_MAX]; 53494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 53594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t codesize = 0; 53694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t datasize = 0; 53794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t cachesize = 0; 53894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t asecsize = 0; 53994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 540d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* count the source apk as code -- but only if it's not 541d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey * on the /system partition and its not on the sdcard. */ 54294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_system_app_path(apkpath) && 54394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strncmp(apkpath, android_asec_dir.path, android_asec_dir.len) != 0) { 54494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(apkpath, &s) == 0) { 54594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 546d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (S_ISDIR(s.st_mode)) { 547d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey d = opendir(apkpath); 548d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (d != NULL) { 549d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey dfd = dirfd(d); 550d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey codesize += calculate_dir_size(dfd); 551d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey closedir(d); 552d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 553d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 55494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 556d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 557d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* count the forward locked apk as code if it is given */ 55894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fwdlock_apkpath != NULL && fwdlock_apkpath[0] != '!') { 55994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(fwdlock_apkpath, &s) == 0) { 56094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 56194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 563d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 564d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* count the cached dexfile as code */ 56502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (create_cache_path(path, apkpath, instruction_set)) { 56694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(path, &s) == 0) { 56794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 56894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 571d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* add in size of any libraries */ 5728b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn if (libdirpath != NULL && libdirpath[0] != '!') { 5738b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn d = opendir(libdirpath); 57494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 57594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 57694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += calculate_dir_size(dfd); 57794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 57894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 581d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* compute asec size if it is given */ 58294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (asecpath != NULL && asecpath[0] != '!') { 58394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(asecpath, &s) == 0) { 58494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood asecsize += stat_size(&s); 58594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 588d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::vector<userid_t> users; 589d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (userid == -1) { 590d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey users = get_known_users(uuid); 591d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } else { 592d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey users.push_back(userid); 59394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 59494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 595d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey for (auto user : users) { 596ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey // TODO: handle user_de directories 597aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (!(flags & FLAG_STORAGE_CE)) continue; 598c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey 599d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string _pkgdir(create_data_user_package_path(uuid, user, pkgname)); 600d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey const char* pkgdir = _pkgdir.c_str(); 60194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 602d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey d = opendir(pkgdir); 603d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (d == NULL) { 604d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey PLOG(WARNING) << "Failed to open " << pkgdir; 605d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey continue; 606d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 607d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey dfd = dirfd(d); 608d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 609d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* most stuff in the pkgdir is data, except for the "cache" 610d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey * directory and below, which is cache, and the "lib" directory 611d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey * and below, which is code... 612d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey */ 613d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey while ((de = readdir(d))) { 614d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey const char *name = de->d_name; 615d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey 616d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (de->d_type == DT_DIR) { 617d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey int subfd; 618d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey int64_t statsize = 0; 619d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey int64_t dirsize = 0; 620d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey /* always skip "." and ".." */ 621d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (name[0] == '.') { 622d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (name[1] == 0) continue; 623d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if ((name[1] == '.') && (name[2] == 0)) continue; 624d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 625d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 626d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey statsize = stat_size(&s); 627d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 628d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY); 629d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (subfd >= 0) { 630d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey dirsize = calculate_dir_size(subfd); 631d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 632d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if(!strcmp(name,"lib")) { 633d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey codesize += dirsize + statsize; 634d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } else if(!strcmp(name,"cache")) { 635d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey cachesize += dirsize + statsize; 636d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } else { 637d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey datasize += dirsize + statsize; 638d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 639d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } else if (de->d_type == DT_LNK && !strcmp(name,"lib")) { 640d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey // This is the symbolic link to the application's library 641d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey // code. We'll count this as code instead of data, since 642d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey // it is not something that the app creates. 643d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 644d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey codesize += stat_size(&s); 645d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 64694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 647d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 648d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey datasize += stat_size(&s); 649d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey } 65094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 65194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 652d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey closedir(d); 65394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 65494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_codesize = codesize; 65594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_datasize = datasize; 65694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_cachesize = cachesize; 65794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_asecsize = asecsize; 65894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 65994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 66094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 661b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Roubanstatic int split_count(const char *str) 662b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban{ 663b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban char *ctx; 664b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban int count = 0; 66502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char buf[kPropertyValueMax]; 666b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 667b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban strncpy(buf, str, sizeof(buf)); 668b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban char *pBuf = buf; 669b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 670b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban while(strtok_r(pBuf, " ", &ctx) != NULL) { 671b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban count++; 672b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban pBuf = NULL; 673b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban } 674b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 675b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban return count; 676b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban} 677b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 67814e084d39ac44e9d4d0a0143bf1f111011343d34neo.chaestatic int split(char *buf, const char **argv) 679b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban{ 680b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban char *ctx; 681b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban int count = 0; 682b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban char *tok; 683b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban char *pBuf = buf; 684b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 685b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban while((tok = strtok_r(pBuf, " ", &ctx)) != NULL) { 686b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban argv[count++] = tok; 687b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban pBuf = NULL; 688b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban } 689b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 690b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban return count; 691b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban} 692b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban 6937365a10689df23334d245b211ce272502ad20669Alex Lightstatic void run_patchoat(int input_fd, int oat_fd, const char* input_file_name, 69402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char* output_file_name, const char *pkgname ATTRIBUTE_UNUSED, const char *instruction_set) 6957365a10689df23334d245b211ce272502ad20669Alex Light{ 6967365a10689df23334d245b211ce272502ad20669Alex Light static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 6978fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle static const unsigned int MAX_INSTRUCTION_SET_LEN = 7; 6987365a10689df23334d245b211ce272502ad20669Alex Light 6997365a10689df23334d245b211ce272502ad20669Alex Light static const char* PATCHOAT_BIN = "/system/bin/patchoat"; 7007365a10689df23334d245b211ce272502ad20669Alex Light if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 7017365a10689df23334d245b211ce272502ad20669Alex Light ALOGE("Instruction set %s longer than max length of %d", 7027365a10689df23334d245b211ce272502ad20669Alex Light instruction_set, MAX_INSTRUCTION_SET_LEN); 7037365a10689df23334d245b211ce272502ad20669Alex Light return; 7047365a10689df23334d245b211ce272502ad20669Alex Light } 7057365a10689df23334d245b211ce272502ad20669Alex Light 7067365a10689df23334d245b211ce272502ad20669Alex Light /* input_file_name/input_fd should be the .odex/.oat file that is precompiled. I think*/ 7077365a10689df23334d245b211ce272502ad20669Alex Light char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 7087365a10689df23334d245b211ce272502ad20669Alex Light char output_oat_fd_arg[strlen("--output-oat-fd=") + MAX_INT_LEN]; 7097365a10689df23334d245b211ce272502ad20669Alex Light char input_oat_fd_arg[strlen("--input-oat-fd=") + MAX_INT_LEN]; 7107365a10689df23334d245b211ce272502ad20669Alex Light const char* patched_image_location_arg = "--patched-image-location=/system/framework/boot.art"; 7117365a10689df23334d245b211ce272502ad20669Alex Light // The caller has already gotten all the locks we need. 7127365a10689df23334d245b211ce272502ad20669Alex Light const char* no_lock_arg = "--no-lock-output"; 7137365a10689df23334d245b211ce272502ad20669Alex Light sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 7147365a10689df23334d245b211ce272502ad20669Alex Light sprintf(output_oat_fd_arg, "--output-oat-fd=%d", oat_fd); 7157365a10689df23334d245b211ce272502ad20669Alex Light sprintf(input_oat_fd_arg, "--input-oat-fd=%d", input_fd); 716a7915d437c3971943f82dfc2370fe7a5df522801Alex Light ALOGV("Running %s isa=%s in-fd=%d (%s) out-fd=%d (%s)\n", 7177365a10689df23334d245b211ce272502ad20669Alex Light PATCHOAT_BIN, instruction_set, input_fd, input_file_name, oat_fd, output_file_name); 7187365a10689df23334d245b211ce272502ad20669Alex Light 7197365a10689df23334d245b211ce272502ad20669Alex Light /* patchoat, patched-image-location, no-lock, isa, input-fd, output-fd */ 7207365a10689df23334d245b211ce272502ad20669Alex Light char* argv[7]; 7217365a10689df23334d245b211ce272502ad20669Alex Light argv[0] = (char*) PATCHOAT_BIN; 7227365a10689df23334d245b211ce272502ad20669Alex Light argv[1] = (char*) patched_image_location_arg; 7237365a10689df23334d245b211ce272502ad20669Alex Light argv[2] = (char*) no_lock_arg; 7247365a10689df23334d245b211ce272502ad20669Alex Light argv[3] = instruction_set_arg; 7257365a10689df23334d245b211ce272502ad20669Alex Light argv[4] = output_oat_fd_arg; 7267365a10689df23334d245b211ce272502ad20669Alex Light argv[5] = input_oat_fd_arg; 7277365a10689df23334d245b211ce272502ad20669Alex Light argv[6] = NULL; 7287365a10689df23334d245b211ce272502ad20669Alex Light 7297365a10689df23334d245b211ce272502ad20669Alex Light execv(PATCHOAT_BIN, (char* const *)argv); 7307365a10689df23334d245b211ce272502ad20669Alex Light ALOGE("execv(%s) failed: %s\n", PATCHOAT_BIN, strerror(errno)); 7317365a10689df23334d245b211ce272502ad20669Alex Light} 7327365a10689df23334d245b211ce272502ad20669Alex Light 733edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartierstatic void run_dex2oat(int zip_fd, int oat_fd, int image_fd, const char* input_file_name, 7346a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle const char* output_file_name, int swap_fd, const char *instruction_set, 7356a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool vm_safe_mode, bool debuggable, bool post_bootcomplete, bool extract_only, 7366a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle int profile_fd) { 7378fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle static const unsigned int MAX_INSTRUCTION_SET_LEN = 7; 7388fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 7398fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 7408fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle ALOGE("Instruction set %s longer than max length of %d", 7418fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle instruction_set, MAX_INSTRUCTION_SET_LEN); 7428fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle return; 7438fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle } 7448fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 74502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_Xms_flag[kPropertyValueMax]; 74602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_dex2oat_Xms_flag = get_property("dalvik.vm.dex2oat-Xms", dex2oat_Xms_flag, NULL) > 0; 747e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 74802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_Xmx_flag[kPropertyValueMax]; 74902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_dex2oat_Xmx_flag = get_property("dalvik.vm.dex2oat-Xmx", dex2oat_Xmx_flag, NULL) > 0; 750e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 75102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_compiler_filter_flag[kPropertyValueMax]; 75202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_dex2oat_compiler_filter_flag = get_property("dalvik.vm.dex2oat-filter", 753cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom dex2oat_compiler_filter_flag, NULL) > 0; 754cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom 75502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_threads_buf[kPropertyValueMax]; 75602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_dex2oat_threads_flag = get_property(post_bootcomplete 757919461cbeef3e9f35388fc099a5fcdae1cb79cc6Andreas Gampe ? "dalvik.vm.dex2oat-threads" 758919461cbeef3e9f35388fc099a5fcdae1cb79cc6Andreas Gampe : "dalvik.vm.boot-dex2oat-threads", 759919461cbeef3e9f35388fc099a5fcdae1cb79cc6Andreas Gampe dex2oat_threads_buf, 760919461cbeef3e9f35388fc099a5fcdae1cb79cc6Andreas Gampe NULL) > 0; 76102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_threads_arg[kPropertyValueMax + 2]; 7628d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe if (have_dex2oat_threads_flag) { 7638d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe sprintf(dex2oat_threads_arg, "-j%s", dex2oat_threads_buf); 7648d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe } 7658d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe 76602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_isa_features_key[kPropertyKeyMax]; 7678fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set); 76802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_isa_features[kPropertyValueMax]; 76902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_dex2oat_isa_features = get_property(dex2oat_isa_features_key, 7708fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle dex2oat_isa_features, NULL) > 0; 7718fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 77202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_isa_variant_key[kPropertyKeyMax]; 77316a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set); 77402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_isa_variant[kPropertyValueMax]; 77502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_dex2oat_isa_variant = get_property(dex2oat_isa_variant_key, 77616a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers dex2oat_isa_variant, NULL) > 0; 77716a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers 77814e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae const char *dex2oat_norelocation = "-Xnorelocate"; 77914e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae bool have_dex2oat_relocation_skip_flag = false; 78014e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae 78102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_flags[kPropertyValueMax]; 78202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe int dex2oat_flags_count = get_property("dalvik.vm.dex2oat-flags", 783b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban dex2oat_flags, NULL) <= 0 ? 0 : split_count(dex2oat_flags); 7840ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dex2oat-flags=%s\n", dex2oat_flags); 7850ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 786538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom // If we booting without the real /data, don't spend time compiling. 78702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char vold_decrypt[kPropertyValueMax]; 78802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe bool have_vold_decrypt = get_property("vold.decrypt", vold_decrypt, "") > 0; 789538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom bool skip_compilation = (have_vold_decrypt && 790538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom (strcmp(vold_decrypt, "trigger_restart_min_framework") == 0 || 791538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom (strcmp(vold_decrypt, "1") == 0))); 792538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom 7936a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool generate_debug_info = property_get_bool("debug.generate-debug-info"); 794d4a7b459f4f383988440c0512513b321ce03fc22Mathieu Chartier 795416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier char app_image_format[kPropertyValueMax]; 796416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier char image_format_arg[strlen("--image-format=") + kPropertyValueMax]; 797416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier bool have_app_image_format = 79841fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier image_fd >= 0 && get_property("dalvik.vm.appimageformat", app_image_format, NULL) > 0; 799416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier if (have_app_image_format) { 800416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier sprintf(image_format_arg, "--image-format=%s", app_image_format); 801416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier } 802416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier 8031705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const char* DEX2OAT_BIN = "/system/bin/dex2oat"; 80453e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 80553e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom static const char* RUNTIME_ARG = "--runtime-arg"; 80653e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 8071705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 8081b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 8091705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_fd_arg[strlen("--zip-fd=") + MAX_INT_LEN]; 8101705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX]; 8111705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN]; 8127195fcc2185c35b45a8f28c79fde4999b38850e8Brian Carlstrom char oat_location_arg[strlen("--oat-location=") + PKG_PATH_MAX]; 8131b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 81402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char instruction_set_variant_arg[strlen("--instruction-set-variant=") + kPropertyValueMax]; 81502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char instruction_set_features_arg[strlen("--instruction-set-features=") + kPropertyValueMax]; 81602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_Xms_arg[strlen("-Xms") + kPropertyValueMax]; 81702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_Xmx_arg[strlen("-Xmx") + kPropertyValueMax]; 81802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_compiler_filter_arg[strlen("--compiler-filter=") + kPropertyValueMax]; 819e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe bool have_dex2oat_swap_fd = false; 820e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe char dex2oat_swap_fd[strlen("--swap-fd=") + MAX_INT_LEN]; 821edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier bool have_dex2oat_image_fd = false; 822edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier char dex2oat_image_fd[strlen("--app-image-fd=") + MAX_INT_LEN]; 8231705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 8241705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd); 8251705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_location_arg, "--zip-location=%s", input_file_name); 8261705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd); 8271705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_location_arg, "--oat-location=%s", output_file_name); 8281b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 82916a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers sprintf(instruction_set_variant_arg, "--instruction-set-variant=%s", dex2oat_isa_variant); 8308fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle sprintf(instruction_set_features_arg, "--instruction-set-features=%s", dex2oat_isa_features); 831e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe if (swap_fd >= 0) { 832e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe have_dex2oat_swap_fd = true; 833e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe sprintf(dex2oat_swap_fd, "--swap-fd=%d", swap_fd); 834e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } 835edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (image_fd >= 0) { 836edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier have_dex2oat_image_fd = true; 837edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier sprintf(dex2oat_image_fd, "--app-image-fd=%d", image_fd); 838edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 83957c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle 840e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 841e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xms_arg, "-Xms%s", dex2oat_Xms_flag); 842e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 843e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 844e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xmx_arg, "-Xmx%s", dex2oat_Xmx_flag); 845e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 846538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom if (skip_compilation) { 847e18987efb5e39ca1bed15527b7b82bde55c99669Brian Carlstrom strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=verify-none"); 848538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom have_dex2oat_compiler_filter_flag = true; 84914e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae have_dex2oat_relocation_skip_flag = true; 850b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle } else if (vm_safe_mode) { 851b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=interpret-only"); 85297477d203eaf0c3235bbe2415356f20a0431cadaCalin Juravle have_dex2oat_compiler_filter_flag = true; 853b0fad6d04ba05fbad5ce31c7382be174ed5a70b1David Brazdil } else if (extract_only) { 854bb7a77082fde8f73971adadf50faecdf5f660b48Andreas Gampe // Temporarily make extract-only mean interpret-only, so extracted files will be verified. 855bb7a77082fde8f73971adadf50faecdf5f660b48Andreas Gampe // b/26833007 856bb7a77082fde8f73971adadf50faecdf5f660b48Andreas Gampe strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=interpret-only"); 857d4a7b459f4f383988440c0512513b321ce03fc22Mathieu Chartier have_dex2oat_compiler_filter_flag = true; 858538998f204d1e542e235de9e7ce18ef4dc68c9ccBrian Carlstrom } else if (have_dex2oat_compiler_filter_flag) { 859cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom sprintf(dex2oat_compiler_filter_arg, "--compiler-filter=%s", dex2oat_compiler_filter_flag); 860cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom } 861e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 862598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe // Check whether all apps should be compiled debuggable. 863598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe if (!debuggable) { 86402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char prop_buf[kPropertyValueMax]; 865598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe debuggable = 86602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe (get_property("dalvik.vm.always_debuggable", prop_buf, "0") > 0) && 867598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe (prop_buf[0] == '1'); 868598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe } 8696a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle char profile_arg[strlen("--profile-file-fd=") + MAX_INT_LEN]; 8706a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profile_fd != -1) { 8716a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle sprintf(profile_arg, "--profile-file-fd=%d", profile_fd); 87260a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 873598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe 8746a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 8751705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name); 8764fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 87714e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae const char* argv[7 // program name, mandatory arguments and the final NULL 87814e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_isa_variant ? 1 : 0) 87914e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_isa_features ? 1 : 0) 88014e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_Xms_flag ? 2 : 0) 88114e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_Xmx_flag ? 2 : 0) 88214e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_compiler_filter_flag ? 1 : 0) 8838d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe + (have_dex2oat_threads_flag ? 1 : 0) 88414e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_swap_fd ? 1 : 0) 885edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier + (have_dex2oat_image_fd ? 1 : 0) 88614e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae + (have_dex2oat_relocation_skip_flag ? 2 : 0) 887528c8ddc60df7b3d291b389117e4db878a20ad48David Srbecky + (generate_debug_info ? 1 : 0) 888598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe + (debuggable ? 1 : 0) 889416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier + (have_app_image_format ? 1 : 0) 89060a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle + dex2oat_flags_count 8916a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle + (profile_fd == -1 ? 0 : 1)]; 8924fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle int i = 0; 89314e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae argv[i++] = DEX2OAT_BIN; 8944fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_fd_arg; 8954fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_location_arg; 8964fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_fd_arg; 8974fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_location_arg; 8984fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = instruction_set_arg; 89916a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers if (have_dex2oat_isa_variant) { 90016a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers argv[i++] = instruction_set_variant_arg; 90116a95b267ac6aac75453f65f1bc382ce65c0741eIan Rogers } 9028fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle if (have_dex2oat_isa_features) { 9038fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle argv[i++] = instruction_set_features_arg; 9048fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle } 905e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 90614e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae argv[i++] = RUNTIME_ARG; 907e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xms_arg; 908e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 909e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 91014e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae argv[i++] = RUNTIME_ARG; 911e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xmx_arg; 912e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 913cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom if (have_dex2oat_compiler_filter_flag) { 914cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom argv[i++] = dex2oat_compiler_filter_arg; 915cf51ba1360ee13459830a0502b0d454d0145544fBrian Carlstrom } 9168d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe if (have_dex2oat_threads_flag) { 9178d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe argv[i++] = dex2oat_threads_arg; 9188d7af8b2418cc5e7e59746f0cb359a75ed0bdfd1Andreas Gampe } 919e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe if (have_dex2oat_swap_fd) { 920e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe argv[i++] = dex2oat_swap_fd; 921e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } 922edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (have_dex2oat_image_fd) { 923edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier argv[i++] = dex2oat_image_fd; 924edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 925528c8ddc60df7b3d291b389117e4db878a20ad48David Srbecky if (generate_debug_info) { 926528c8ddc60df7b3d291b389117e4db878a20ad48David Srbecky argv[i++] = "--generate-debug-info"; 9273822b8b79cf533ee8573794176838406c32a1c20Andreas Gampe } 928598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe if (debuggable) { 929598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe argv[i++] = "--debuggable"; 930598c25e23f7c97470e09a2316513ddf2efdfb670Andreas Gampe } 931416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier if (have_app_image_format) { 932416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier argv[i++] = image_format_arg; 933416fa12cd0949c7f12e2067b36ac7ac64ba70b4aMathieu Chartier } 934b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban if (dex2oat_flags_count) { 935b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban i += split(dex2oat_flags, argv + i); 9364fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 93714e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae if (have_dex2oat_relocation_skip_flag) { 93814e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae argv[i++] = RUNTIME_ARG; 93914e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae argv[i++] = dex2oat_norelocation; 94014e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae } 9416a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profile_fd != -1) { 9426a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle argv[i++] = profile_arg; 94360a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 944e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom // Do not add after dex2oat_flags, they should override others for debugging. 9454fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i] = NULL; 9464fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 94714e084d39ac44e9d4d0a0143bf1f111011343d34neo.chae execv(DEX2OAT_BIN, (char * const *)argv); 948b0d8d00b2916aef7b01ad42f6d441f5b46b7731aYevgeny Rouban ALOGE("execv(%s) failed: %s\n", DEX2OAT_BIN, strerror(errno)); 9491705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom} 9501705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 951e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe/* 952c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * Whether dexopt should use a swap file when compiling an APK. 953c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * 954c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * If kAlwaysProvideSwapFile, do this on all devices (dex2oat will make a more informed decision 955c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * itself, anyways). 956c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * 957c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * Otherwise, read "dalvik.vm.dex2oat-swap". If the property exists, return whether it is "true". 958c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * 959c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * Otherwise, return true if this is a low-mem device. 960c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * 961c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe * Otherwise, return default value. 962e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe */ 963c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampestatic bool kAlwaysProvideSwapFile = false; 964c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampestatic bool kDefaultProvideSwapFile = true; 965e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe 966e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampestatic bool ShouldUseSwapFileForDexopt() { 967e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe if (kAlwaysProvideSwapFile) { 968e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe return true; 969e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } 970e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe 971c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe // Check the "override" property. If it exists, return value == "true". 97202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char dex2oat_prop_buf[kPropertyValueMax]; 97302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (get_property("dalvik.vm.dex2oat-swap", dex2oat_prop_buf, "") > 0) { 974c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe if (strcmp(dex2oat_prop_buf, "true") == 0) { 975c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe return true; 976c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe } else { 977c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe return false; 978c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe } 979c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe } 980c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe 981c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe // Shortcut for default value. This is an implementation optimization for the process sketched 982c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe // above. If the default value is true, we can avoid to check whether this is a low-mem device, 983c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe // as low-mem is never returning false. The compiler will optimize this away if it can. 984c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe if (kDefaultProvideSwapFile) { 985c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe return true; 986c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe } 987c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe 9886a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool is_low_mem = property_get_bool("ro.config.low_ram"); 989c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe if (is_low_mem) { 990c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe return true; 991c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe } 992c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe 993c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe // Default value must be false here. 994c968c0175e967e39e72f557b5e014b9575ba4727Andreas Gampe return kDefaultProvideSwapFile; 995e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe} 996e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe 99794dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampestatic void SetDex2OatAndPatchOatScheduling(bool set_to_bg) { 99894dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe if (set_to_bg) { 99994dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe if (set_sched_policy(0, SP_BACKGROUND) < 0) { 100094dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe ALOGE("set_sched_policy failed: %s\n", strerror(errno)); 100194dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe exit(70); 100294dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe } 100394dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe if (setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_BACKGROUND) < 0) { 100494dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe ALOGE("setpriority failed: %s\n", strerror(errno)); 100594dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe exit(71); 100694dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe } 100794dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe } 100894dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe} 100994dd3d3c5be4de57278ee668218a3464585795c0Andreas Gampe 10106a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic void close_all_fds(const std::vector<fd_t>& fds, const char* description) { 101160a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle for (size_t i = 0; i < fds.size(); i++) { 101260a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle if (close(fds[i]) != 0) { 101360a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle PLOG(WARNING) << "Failed to close fd for " << description << " at index " << i; 101460a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 101560a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 101660a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle} 101760a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 10186a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic fd_t open_profile_dir(const std::string& profile_dir) { 101960a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle struct stat buffer; 10206a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (TEMP_FAILURE_RETRY(lstat(profile_dir.c_str(), &buffer)) == -1) { 10216a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(ERROR) << "Failed to lstat profile_dir: " << profile_dir; 10226a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return -1; 102360a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 102460a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 10256a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t profile_dir_fd = TEMP_FAILURE_RETRY(open(profile_dir.c_str(), 10266a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle O_PATH | O_CLOEXEC | O_DIRECTORY | O_NOFOLLOW)); 10276a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profile_dir_fd < 0) { 10286a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(ERROR) << "Failed to open profile_dir: " << profile_dir; 102960a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 10306a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return profile_dir_fd; 103160a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle} 103260a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 10336a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic fd_t open_primary_profile_file_from_dir(const std::string& profile_dir, mode_t open_mode) { 10346a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t profile_dir_fd = open_profile_dir(profile_dir); 10356a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profile_dir_fd < 0) { 10366a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return -1; 10376a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 10386a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 10396a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t profile_fd = -1; 10406a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::string profile_file = create_primary_profile(profile_dir); 10416a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 10426a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle profile_fd = TEMP_FAILURE_RETRY(open(profile_file.c_str(), open_mode | O_NOFOLLOW)); 10436a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profile_fd == -1) { 10446a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // It's not an error if the profile file does not exist. 104560a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle if (errno != ENOENT) { 10466a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(ERROR) << "Failed to lstat profile_dir: " << profile_dir; 104760a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 104860a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 10496a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // TODO(calin): use AutoCloseFD instead of closing the fd manually. 10506a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (close(profile_dir_fd) != 0) { 10516a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(WARNING) << "Could not close profile dir " << profile_dir; 10526a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 10536a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return profile_fd; 10546a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 105560a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 10566a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic fd_t open_primary_profile_file(userid_t user, const char* pkgname) { 10576a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::string profile_dir = create_data_user_profile_package_path(user, pkgname); 10586a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return open_primary_profile_file_from_dir(profile_dir, O_RDONLY); 10596a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 10606a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 10616a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic fd_t open_reference_profile(uid_t uid, const char* pkgname, bool read_write) { 10626a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::string reference_profile_dir = create_data_ref_profile_package_path(pkgname); 10636a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle int flags = read_write ? O_RDWR | O_CREAT : O_RDONLY; 10646a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t fd = open_primary_profile_file_from_dir(reference_profile_dir, flags); 10656a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (fd < 0) { 10666a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return -1; 106760a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 10686a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (read_write) { 10696a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Fix the owner. 10706a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (fchown(fd, uid, uid) < 0) { 10716a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle close(fd); 10726a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return -1; 10736a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 10746a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 10756a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return fd; 10766a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 107760a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 10786a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic void open_profile_files(uid_t uid, const char* pkgname, 10796a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle /*out*/ std::vector<fd_t>* profiles_fd, /*out*/ fd_t* reference_profile_fd) { 10806a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Open the reference profile in read-write mode as profman might need to save the merge. 10816a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle *reference_profile_fd = open_reference_profile(uid, pkgname, /*read_write*/ true); 108260a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle if (*reference_profile_fd < 0) { 10836a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // We can't access the reference profile file. 108460a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle return; 108560a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 10866a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 10876a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::vector<userid_t> users = get_known_users(/*volume_uuid*/ nullptr); 10886a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle for (auto user : users) { 10896a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t profile_fd = open_primary_profile_file(user, pkgname); 10906a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Add to the lists only if both fds are valid. 10916a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profile_fd >= 0) { 10926a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle profiles_fd->push_back(profile_fd); 10936a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 10946a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 10956a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 10966a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 10976a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic void drop_capabilities(uid_t uid) { 10986a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (setgid(uid) != 0) { 10996a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGE("setgid(%d) failed in installd during dexopt\n", uid); 11006a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle exit(64); 11016a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 11026a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (setuid(uid) != 0) { 11036a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGE("setuid(%d) failed in installd during dexopt\n", uid); 11046a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle exit(65); 11056a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 11066a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // drop capabilities 11076a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle struct __user_cap_header_struct capheader; 11086a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle struct __user_cap_data_struct capdata[2]; 11096a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle memset(&capheader, 0, sizeof(capheader)); 11106a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle memset(&capdata, 0, sizeof(capdata)); 11116a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle capheader.version = _LINUX_CAPABILITY_VERSION_3; 11126a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (capset(&capheader, &capdata[0]) < 0) { 11136a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGE("capset failed: %s\n", strerror(errno)); 11146a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle exit(66); 111560a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 111660a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle} 111760a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 11186a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic constexpr int PROFMAN_BIN_RETURN_CODE_COMPILE = 0; 11196a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic constexpr int PROFMAN_BIN_RETURN_CODE_SKIP_COMPILATION = 1; 11206a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic constexpr int PROFMAN_BIN_RETURN_CODE_BAD_PROFILES = 2; 11216a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic constexpr int PROFMAN_BIN_RETURN_CODE_ERROR_IO = 3; 11226a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic constexpr int PROFMAN_BIN_RETURN_CODE_ERROR_LOCKING = 4; 11236a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 11246a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic void run_profman(const std::vector<fd_t>& profiles_fd, fd_t reference_profile_fd) { 11256a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle static const size_t MAX_INT_LEN = 32; 11266a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle static const char* PROFMAN_BIN = "/system/bin/profman"; 11276a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 11286a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::vector<std::string> profile_args(profiles_fd.size()); 11296a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle char profile_buf[strlen("--profile-file-fd=") + MAX_INT_LEN]; 11306a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle for (size_t k = 0; k < profiles_fd.size(); k++) { 11316a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle sprintf(profile_buf, "--profile-file-fd=%d", profiles_fd[k]); 11326a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle profile_args[k].assign(profile_buf); 11336a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 11346a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle char reference_profile_arg[strlen("--reference-profile-file-fd=") + MAX_INT_LEN]; 11356a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle sprintf(reference_profile_arg, "--reference-profile-file-fd=%d", reference_profile_fd); 11366a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 11376a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // program name, reference profile fd, the final NULL and the profile fds 11386a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle const char* argv[3 + profiles_fd.size()]; 11396a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle int i = 0; 11406a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle argv[i++] = PROFMAN_BIN; 11416a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle argv[i++] = reference_profile_arg; 11426a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle for (size_t k = 0; k < profile_args.size(); k++) { 11436a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle argv[i++] = profile_args[k].c_str(); 11446a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 11456a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Do not add after dex2oat_flags, they should override others for debugging. 11466a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle argv[i] = NULL; 11476a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 11486a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle execv(PROFMAN_BIN, (char * const *)argv); 11496a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGE("execv(%s) failed: %s\n", PROFMAN_BIN, strerror(errno)); 11506a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle exit(68); /* only get here on exec failure */ 11516a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 11526a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 11536a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle// Decides if profile guided compilation is needed or not based on existing profiles. 11546a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle// Returns true if there is enough information in the current profiles that worth 11556a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle// a re-compilation of the package. 11566a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle// If the return value is true all the current profiles would have been merged into 11576a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle// the reference profiles accessible with open_reference_profile(). 11586a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic bool analyse_profiles(uid_t uid, const char* pkgname) { 11596a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle std::vector<fd_t> profiles_fd; 11606a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t reference_profile_fd = -1; 11616a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle open_profile_files(uid, pkgname, &profiles_fd, &reference_profile_fd); 11626a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (profiles_fd.empty() || (reference_profile_fd == -1)) { 11636a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Skip profile guided compilation because no profiles were found. 11646a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Or if the reference profile info couldn't be opened. 11656a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle close_all_fds(profiles_fd, "profiles_fd"); 11666a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if ((reference_profile_fd != - 1) && (close(reference_profile_fd) != 0)) { 11676a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(WARNING) << "Failed to close fd for reference profile"; 116860a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 11696a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return false; 11706a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 117160a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 11726a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGV("PROFMAN: --- BEGIN '%s' ---\n", pkgname); 11736a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 11746a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle pid_t pid = fork(); 11756a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (pid == 0) { 11766a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle /* child -- drop privileges before continuing */ 11776a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle drop_capabilities(uid); 11786a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle run_profman(profiles_fd, reference_profile_fd); 11796a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle exit(68); /* only get here on exec failure */ 11806a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 11816a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle /* parent */ 11826a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle int return_code = wait_child(pid); 11836a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool need_to_compile = false; 11846a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool delete_current_profiles = false; 11856a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle bool delete_reference_profile = false; 11866a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (!WIFEXITED(return_code)) { 11876a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle LOG(WARNING) << "profman failed for package " << pkgname << ": " << return_code; 11886a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } else { 11896a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return_code = WEXITSTATUS(return_code); 11906a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle switch (return_code) { 11916a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle case PROFMAN_BIN_RETURN_CODE_COMPILE: 11926a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle need_to_compile = true; 11936a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_current_profiles = true; 11946a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_reference_profile = false; 11956a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle break; 11966a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle case PROFMAN_BIN_RETURN_CODE_SKIP_COMPILATION: 11976a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle need_to_compile = false; 11986a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_current_profiles = false; 11996a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_reference_profile = false; 12006a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle break; 12016a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle case PROFMAN_BIN_RETURN_CODE_BAD_PROFILES: 12026a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle LOG(WARNING) << "Bad profiles for package " << pkgname; 12036a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle need_to_compile = false; 12046a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_current_profiles = true; 12056a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_reference_profile = true; 12066a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle break; 12076a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle case PROFMAN_BIN_RETURN_CODE_ERROR_IO: // fall-through 12086a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle case PROFMAN_BIN_RETURN_CODE_ERROR_LOCKING: 12096a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Temporary IO problem (e.g. locking). Ignore but log a warning. 12106a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle LOG(WARNING) << "IO error while reading profiles for package " << pkgname; 12116a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle need_to_compile = false; 12126a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_current_profiles = false; 12136a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_reference_profile = false; 12146a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle break; 12156a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle default: 12166a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Unknown return code or error. Unlink profiles. 12176a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle LOG(WARNING) << "Unknown error code while processing profiles for package " << pkgname 12186a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle << ": " << return_code; 12196a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle need_to_compile = false; 12206a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_current_profiles = true; 12216a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle delete_reference_profile = true; 12226a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle break; 122360a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 122460a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 12256a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle close_all_fds(profiles_fd, "profiles_fd"); 12266a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (close(reference_profile_fd) != 0) { 12276a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(WARNING) << "Failed to close fd for reference profile"; 12286a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 12296a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (delete_current_profiles) { 12306a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle unlink_current_profiles(pkgname); 12316a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 12326a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (delete_reference_profile) { 12336a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle unlink_reference_profile(pkgname); 12346a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 12356a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return need_to_compile; 123660a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle} 123760a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle 1238edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartierstatic void trim_extension(char* path) { 1239edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier // Trim the extension. 1240edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier int pos = strlen(path); 1241edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier for (; pos >= 0 && path[pos] != '.'; --pos) {} 1242edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (pos >= 0) { 1243edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier path[pos] = '\0'; // Trim extension 1244edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 1245edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier} 1246edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier 124741fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartierstatic bool add_extension_to_file_name(char* file_name, const char* extension) { 124841fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier if (strlen(file_name) + strlen(extension) + 1 > PKG_PATH_MAX) { 124941fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier return false; 1250edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 125141fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier strcat(file_name, extension); 125241fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier return true; 125341fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier} 125441fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier 125541fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartierstatic int open_output_file(char* file_name, bool recreate) { 125641fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier int flags = O_RDWR | O_CREAT; 125741fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier if (recreate) { 125841fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier unlink(file_name); 125941fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier flags |= O_EXCL; 126041fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier } 126141fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier return open(file_name, flags, 0600); 1262edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier} 1263edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier 1264edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartierstatic bool set_permissions_and_ownership(int fd, bool is_public, int uid, const char* path) { 1265edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (fchmod(fd, 1266edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier S_IRUSR|S_IWUSR|S_IRGRP | 1267edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier (is_public ? S_IROTH : 0)) < 0) { 1268edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier ALOGE("installd cannot chmod '%s' during dexopt\n", path); 1269edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier return false; 1270edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } else if (fchown(fd, AID_SYSTEM, uid) < 0) { 1271edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier ALOGE("installd cannot chown '%s' during dexopt\n", path); 1272edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier return false; 1273edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 1274edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier return true; 1275edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier} 1276edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier 12776a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravlestatic bool create_oat_out_path(const char* apk_path, const char* instruction_set, 12786a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle const char* oat_dir, /*out*/ char* out_path) { 12796a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Early best-effort check whether we can fit the the path into our buffers. 12806a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Note: the cache path will require an additional 5 bytes for ".swap", but we'll try to run 12816a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // without a swap file, if necessary. Reference profiles file also add an extra ".prof" 12826a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // extension to the cache path (5 bytes). 12836a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (strlen(apk_path) >= (PKG_PATH_MAX - 8)) { 12846a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGE("apk_path too long '%s'\n", apk_path); 12856a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return false; 12866a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 12876a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 12886a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (oat_dir != NULL && oat_dir[0] != '!') { 12896a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (validate_apk_path(oat_dir)) { 12906a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle ALOGE("invalid oat_dir '%s'\n", oat_dir); 12916a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return false; 12926a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 12936a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (!calculate_oat_file_path(out_path, oat_dir, apk_path, instruction_set)) { 12946a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return false; 12956a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 12966a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } else { 12976a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (!create_cache_path(out_path, apk_path, instruction_set)) { 12986a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return false; 12996a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 13006a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 13016a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return true; 13026a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle} 13036a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 130460a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravleint dexopt(const char* apk_path, uid_t uid, const char* pkgname, const char* instruction_set, 13056a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle int dexopt_needed, const char* oat_dir, int dexopt_flags, 13066a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle const char* volume_uuid ATTRIBUTE_UNUSED, bool use_profiles) 130794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 130894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct utimbuf ut; 130926ff93c1a783d02c177a47f0a80249070fe43682Fyodor Kupolov struct stat input_stat; 13101705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char out_path[PKG_PATH_MAX]; 1311e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe char swap_file_name[PKG_PATH_MAX]; 1312edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier char image_path[PKG_PATH_MAX]; 13137365a10689df23334d245b211ce272502ad20669Alex Light const char *input_file; 13147365a10689df23334d245b211ce272502ad20669Alex Light char in_odex_path[PKG_PATH_MAX]; 13156a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle int res; 13166a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t input_fd=-1, out_fd=-1, image_fd=-1, swap_fd=-1; 1317db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle bool is_public = ((dexopt_flags & DEXOPT_PUBLIC) != 0); 131876e767ca14bcbb4bc809cd1279ece82a3aabe8a4Todd Kennedy bool vm_safe_mode = (dexopt_flags & DEXOPT_SAFEMODE) != 0; 131976e767ca14bcbb4bc809cd1279ece82a3aabe8a4Todd Kennedy bool debuggable = (dexopt_flags & DEXOPT_DEBUGGABLE) != 0; 132076e767ca14bcbb4bc809cd1279ece82a3aabe8a4Todd Kennedy bool boot_complete = (dexopt_flags & DEXOPT_BOOTCOMPLETE) != 0; 1321b0fad6d04ba05fbad5ce31c7382be174ed5a70b1David Brazdil bool extract_only = (dexopt_flags & DEXOPT_EXTRACTONLY) != 0; 13226a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle fd_t reference_profile_fd = -1; 1323db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle 1324db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle if (is_public && use_profiles) { 1325db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle // We should not give public access to apks compiled with profile information. 1326db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle // Log an error and return early if are asked to do so. 1327db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle ALOGE("use_profiles should not be used with is_public."); 1328db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle return -1; 1329db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle } 1330db0326a56ed8cc1ba2ed5ec2810afe49bcd9a596Calin Juravle 133160a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle if (use_profiles) { 13326a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (analyse_profiles(uid, pkgname)) { 13336a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // Open again reference profile in read only mode as dex2oat does not get write 13346a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // permissions. 13356a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle reference_profile_fd = open_reference_profile(uid, pkgname, /*read_write*/ false); 13366a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (reference_profile_fd == -1) { 13376a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle PLOG(WARNING) << "Couldn't open reference profile in read only mode " << pkgname; 13386a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle exit(72); 13396a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } 13406a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle } else { 13416a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // No need to (re)compile. Return early. 134260a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle return 0; 134360a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 134460a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 134576e767ca14bcbb4bc809cd1279ece82a3aabe8a4Todd Kennedy 1346e296e00df65461629a20cd03b5b041a59935d00fTodd Kennedy if ((dexopt_flags & ~DEXOPT_MASK) != 0) { 134776e767ca14bcbb4bc809cd1279ece82a3aabe8a4Todd Kennedy LOG_FATAL("dexopt flags contains unknown fields\n"); 134876e767ca14bcbb4bc809cd1279ece82a3aabe8a4Todd Kennedy } 134994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13506a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (!create_oat_out_path(apk_path, instruction_set, oat_dir, out_path)) { 13516a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle return false; 135294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 135394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1354c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler switch (dexopt_needed) { 1355c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler case DEXOPT_DEX2OAT_NEEDED: 1356c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler input_file = apk_path; 1357c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler break; 1358c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler 1359c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler case DEXOPT_PATCHOAT_NEEDED: 1360c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler if (!calculate_odex_file_path(in_odex_path, apk_path, instruction_set)) { 1361c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler return -1; 1362c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler } 1363c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler input_file = in_odex_path; 1364c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler break; 1365c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler 1366c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler case DEXOPT_SELF_PATCHOAT_NEEDED: 1367c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler input_file = out_path; 1368c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler break; 1369c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler 1370c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler default: 1371c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler ALOGE("Invalid dexopt needed: %d\n", dexopt_needed); 1372c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler exit(72); 13737365a10689df23334d245b211ce272502ad20669Alex Light } 13747365a10689df23334d245b211ce272502ad20669Alex Light 13757365a10689df23334d245b211ce272502ad20669Alex Light memset(&input_stat, 0, sizeof(input_stat)); 13767365a10689df23334d245b211ce272502ad20669Alex Light stat(input_file, &input_stat); 137794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13787365a10689df23334d245b211ce272502ad20669Alex Light input_fd = open(input_file, O_RDONLY, 0); 13797365a10689df23334d245b211ce272502ad20669Alex Light if (input_fd < 0) { 13807365a10689df23334d245b211ce272502ad20669Alex Light ALOGE("installd cannot open '%s' for input during dexopt\n", input_file); 138194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 138294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 138394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13841705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 13851705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom out_fd = open(out_path, O_RDWR | O_CREAT | O_EXCL, 0644); 13861705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd < 0) { 13871705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot open '%s' for output during dexopt\n", out_path); 138894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 138994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1390edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (!set_permissions_and_ownership(out_fd, is_public, uid, out_path)) { 139194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 139294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 139394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1394e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe // Create a swap file if necessary. 1395c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler if (ShouldUseSwapFileForDexopt()) { 1396e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe // Make sure there really is enough space. 1397edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier strcpy(swap_file_name, out_path); 139841fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier if (add_extension_to_file_name(swap_file_name, ".swap")) { 139941fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier swap_fd = open_output_file(swap_file_name, /*recreate*/true); 140041fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier } 1401edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (swap_fd < 0) { 1402edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier // Could not create swap file. Optimistically go on and hope that we can compile 1403edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier // without it. 1404edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier ALOGE("installd could not create '%s' for swap during dexopt\n", swap_file_name); 1405e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } else { 1406edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier // Immediately unlink. We don't really want to hit flash. 1407edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier unlink(swap_file_name); 1408e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } 1409e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } 1410d93707342a61e66bc3eb2145628158452f577f42Dave Allison 1411e80d58db65d29ed4647e631a81aed644fea00913Mathieu Chartier // Avoid generating an app image for extract only since it will not contain any classes. 141241fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier strcpy(image_path, out_path); 141341fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier trim_extension(image_path); 141441fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier if (add_extension_to_file_name(image_path, ".art")) { 141541fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier char app_image_format[kPropertyValueMax]; 141641fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier bool have_app_image_format = 141741fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier get_property("dalvik.vm.appimageformat", app_image_format, NULL) > 0; 141841fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier if (!extract_only && have_app_image_format) { 141941fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier // Recreate is false since we want to avoid deleting the image in case dex2oat decides to 142041fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier // not compile anything. 142141fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier image_fd = open_output_file(image_path, /*recreate*/false); 142241fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier if (image_fd < 0) { 142341fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier // Could not create application image file. Go on since we can compile without it. 142441fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier ALOGE("installd could not create '%s' for image file during dexopt\n", image_path); 142541fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier } else if (!set_permissions_and_ownership(image_fd, is_public, uid, image_path)) { 142641fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier image_fd = -1; 142741fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier } 142841fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier } 142941fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier // If we have a valid image file path but no image fd, erase the image file. 1430e80d58db65d29ed4647e631a81aed644fea00913Mathieu Chartier if (image_fd < 0) { 143141fdcbfa119698122cae9913ea85ea1d2cf9668aMathieu Chartier unlink(image_path); 1432e80d58db65d29ed4647e631a81aed644fea00913Mathieu Chartier } 1433edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 1434e80d58db65d29ed4647e631a81aed644fea00913Mathieu Chartier 14357365a10689df23334d245b211ce272502ad20669Alex Light ALOGV("DexInv: --- BEGIN '%s' ---\n", input_file); 143694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 143794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid; 143894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid = fork(); 143994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (pid == 0) { 144094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* child -- drop privileges before continuing */ 14416a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle drop_capabilities(uid); 14426a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle 144313f141910ba383404145924df64ad6626fe5b42fAndreas Gampe SetDex2OatAndPatchOatScheduling(boot_complete); 14441705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) { 14451705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno)); 144694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(67); 144794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 144894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1449c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler if (dexopt_needed == DEXOPT_PATCHOAT_NEEDED 1450c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler || dexopt_needed == DEXOPT_SELF_PATCHOAT_NEEDED) { 1451bd872e49561282682793ab526616d609f7fbb274Andreas Gampe run_patchoat(input_fd, out_fd, input_file, out_path, pkgname, instruction_set); 1452c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler } else if (dexopt_needed == DEXOPT_DEX2OAT_NEEDED) { 1453aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil // Pass dex2oat the relative path to the input file. 1454aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil const char *input_file_name = strrchr(input_file, '/'); 1455aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil if (input_file_name == NULL) { 1456aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil input_file_name = input_file; 1457aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil } else { 1458aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil input_file_name++; 1459aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil } 1460aaa1d4e930f653ec21b711eb852194c8abf35143David Brazdil run_dex2oat(input_fd, out_fd, image_fd, input_file_name, out_path, swap_fd, 1461b0fad6d04ba05fbad5ce31c7382be174ed5a70b1David Brazdil instruction_set, vm_safe_mode, debuggable, boot_complete, extract_only, 14626a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle reference_profile_fd); 1463c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler } else { 1464c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler ALOGE("Invalid dexopt needed: %d\n", dexopt_needed); 1465c92fb6247d4c4fbc34c0a5deb26ccf538ca9ec81Richard Uhler exit(73); 14661705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } 146794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(68); /* only get here on exec failure */ 146894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 146963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad res = wait_child(pid); 147063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (res == 0) { 14717365a10689df23334d245b211ce272502ad20669Alex Light ALOGV("DexInv: --- END '%s' (success) ---\n", input_file); 147263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 14737365a10689df23334d245b211ce272502ad20669Alex Light ALOGE("DexInv: --- END '%s' --- status=0x%04x, process failed\n", input_file, res); 147494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 147594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 147694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 147794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14787365a10689df23334d245b211ce272502ad20669Alex Light ut.actime = input_stat.st_atime; 14797365a10689df23334d245b211ce272502ad20669Alex Light ut.modtime = input_stat.st_mtime; 14801705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom utime(out_path, &ut); 14811705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 14821705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 14837365a10689df23334d245b211ce272502ad20669Alex Light close(input_fd); 1484edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (swap_fd >= 0) { 1485e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe close(swap_fd); 1486e1c01353c4dc6058a384eea9853238d2a87040dbAndreas Gampe } 14876a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (reference_profile_fd >= 0) { 14886a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle close(reference_profile_fd); 148960a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 1490edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (image_fd >= 0) { 1491edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier close(image_fd); 1492edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 149394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 149494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 149594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodfail: 14961705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd >= 0) { 14971705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 14981705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 149994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15007365a10689df23334d245b211ce272502ad20669Alex Light if (input_fd >= 0) { 15017365a10689df23334d245b211ce272502ad20669Alex Light close(input_fd); 150294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15036a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle if (reference_profile_fd >= 0) { 15046a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle close(reference_profile_fd); 15056a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // We failed to compile. Unlink the reference profile. Current profiles are already unlinked 15066a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle // when profmoan advises compilation. 15076a1648e2f161cb1d7c46aa9d27e8062521a9f314Calin Juravle unlink_reference_profile(pkgname); 150860a794dc845b942907ca035ddc554eb8e0c7ebb6Calin Juravle } 1509edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (swap_fd >= 0) { 1510edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier close(swap_fd); 1511edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 1512edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier if (image_fd >= 0) { 1513edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier close(image_fd); 1514edc8bc48fbf143e35578bf6cccf980dfab076196Mathieu Chartier } 151594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 151694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 151794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1518091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamathint mark_boot_complete(const char* instruction_set) 1519091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath{ 1520091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath char boot_marker_path[PKG_PATH_MAX]; 152102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe sprintf(boot_marker_path, 152202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe "%s/%s/%s/.booting", 152302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe android_data_dir.path, 152402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe DALVIK_CACHE, 152502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe instruction_set); 1526091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath 1527091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath ALOGV("mark_boot_complete : %s", boot_marker_path); 1528091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath if (unlink(boot_marker_path) != 0) { 1529091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath ALOGE("Unable to unlink boot marker at %s, error=%s", boot_marker_path, 1530091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath strerror(errno)); 1531091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath return -1; 1532091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath } 1533091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath 1534091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath return 0; 1535091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath} 1536091ea779d4e575856c04d51d82f45cc8a6155b5eNarayan Kamath 153794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid mkinnerdirs(char* path, int basepos, mode_t mode, int uid, int gid, 153894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat* statbuf) 153994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 154094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (path[basepos] != 0) { 154194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (path[basepos] == '/') { 154294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = 0; 154394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(path, statbuf) < 0) { 154494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Making directory: %s\n", path); 154594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (mkdir(path, mode) == 0) { 154694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood chown(path, uid, gid); 154794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 154894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to make directory %s: %s\n", path, strerror(errno)); 154994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 155094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 155194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = '/'; 155294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 155394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 155494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 155594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 155694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 155794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1558c03de09173f98506e73e7cf7df21fe11795d4b24Jeff Sharkeyint linklib(const char* uuid, const char* pkgname, const char* asecLibDir, int userId) 155994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 156094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s, libStat; 156194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 156294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1563d792118c493806eeb24a8203f508e6e18fe93bd7Jeff Sharkey std::string _pkgdir(create_data_user_package_path(uuid, userId, pkgname)); 1564c03de09173f98506e73e7cf7df21fe11795d4b24Jeff Sharkey std::string _libsymlink(_pkgdir + PKG_LIB_POSTFIX); 1565c03de09173f98506e73e7cf7df21fe11795d4b24Jeff Sharkey 1566c03de09173f98506e73e7cf7df21fe11795d4b24Jeff Sharkey const char* pkgdir = _pkgdir.c_str(); 1567c03de09173f98506e73e7cf7df21fe11795d4b24Jeff Sharkey const char* libsymlink = _libsymlink.c_str(); 156894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 156994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 157094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 157194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, AID_INSTALL, AID_INSTALL) < 0) { 157294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s': %s\n", pkgdir, strerror(errno)); 157394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 157494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 157594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 157694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0700) < 0) { 157794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 1: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 157894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 157994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 158094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 158194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 158294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 158394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 158494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 158594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 158694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 158794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 158894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 158994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 15903aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 159194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 159294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 159394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 159494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 159594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 159694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib dir: %s\n", strerror(errno)); 159794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 159894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 159994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 160094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 160194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 160294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 160394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(asecLibDir, libsymlink) < 0) { 160494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, asecLibDir, 160594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strerror(errno)); 160694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 160794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 160894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 160994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 161094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodout: 161194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, s.st_mode) < 0) { 161294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 2: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 161394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 161494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 161594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 161694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, s.st_uid, s.st_gid) < 0) { 161794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s' : %s\n", pkgdir, strerror(errno)); 161894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 161994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 162094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 162194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return rc; 162294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 162363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 162463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic void run_idmap(const char *target_apk, const char *overlay_apk, int idmap_fd) 162563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 162663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const char *IDMAP_BIN = "/system/bin/idmap"; 162763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const size_t MAX_INT_LEN = 32; 162863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_str[MAX_INT_LEN]; 162963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 163063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_str, sizeof(idmap_str), "%d", idmap_fd); 163163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 163263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad execl(IDMAP_BIN, IDMAP_BIN, "--fd", target_apk, overlay_apk, idmap_str, (char*)NULL); 163363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("execl(%s) failed: %s\n", IDMAP_BIN, strerror(errno)); 163463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 163563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 163663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// Transform string /a/b/c.apk to (prefix)/a@b@c.apk@(suffix) 163763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// eg /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap 163863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int flatten_path(const char *prefix, const char *suffix, 163963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const char *overlay_path, char *idmap_path, size_t N) 164063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 164163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (overlay_path == NULL || idmap_path == NULL) { 164263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 164363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 164463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_overlay_path = strlen(overlay_path); 164563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // will access overlay_path + 1 further below; requires absolute path 164663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (len_overlay_path < 2 || *overlay_path != '/') { 164763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 164863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 164963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_idmap_root = strlen(prefix); 165063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_suffix = strlen(suffix); 165163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (SIZE_MAX - len_idmap_root < len_overlay_path || 165263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad SIZE_MAX - (len_idmap_root + len_overlay_path) < len_suffix) { 165363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // additions below would cause overflow 165463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 165563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 165663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (N < len_idmap_root + len_overlay_path + len_suffix) { 165763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 165863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 165963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad memset(idmap_path, 0, N); 166063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_path, N, "%s%s%s", prefix, overlay_path + 1, suffix); 166163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char *ch = idmap_path + len_idmap_root; 166263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad while (*ch != '\0') { 166363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (*ch == '/') { 166463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad *ch = '@'; 166563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 166663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ++ch; 166763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 166863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 166963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 167063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 167163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadint idmap(const char *target_apk, const char *overlay_apk, uid_t uid) 167263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 167363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGV("idmap target_apk=%s overlay_apk=%s uid=%d\n", target_apk, overlay_apk, uid); 167463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 167563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int idmap_fd = -1; 167663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_path[PATH_MAX]; 167763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 167863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flatten_path(IDMAP_PREFIX, IDMAP_SUFFIX, overlay_apk, 167963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_path, sizeof(idmap_path)) == -1) { 168063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot generate idmap path for overlay %s\n", overlay_apk); 168163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 168263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 168363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 168463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 168563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_fd = open(idmap_path, O_RDWR | O_CREAT | O_EXCL, 0644); 168663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd < 0) { 168763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot open '%s' for output: %s\n", idmap_path, strerror(errno)); 168863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 168963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 169063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchown(idmap_fd, AID_SYSTEM, uid) < 0) { 169163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chown '%s'\n", idmap_path); 169263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 169363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 169463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchmod(idmap_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0) { 169563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chmod '%s'\n", idmap_path); 169663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 169763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 169863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 169963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid_t pid; 170063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid = fork(); 170163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (pid == 0) { 170263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad /* child -- drop privileges before continuing */ 170363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setgid(uid) != 0) { 170463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setgid(%d) failed during idmap\n", uid); 170563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 170663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 170763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setuid(uid) != 0) { 170863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setuid(%d) failed during idmap\n", uid); 170963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 171063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 171163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flock(idmap_fd, LOCK_EX | LOCK_NB) != 0) { 171263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("flock(%s) failed during idmap: %s\n", idmap_path, strerror(errno)); 171363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 171463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 171563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 171663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad run_idmap(target_apk, overlay_apk, idmap_fd); 171763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); /* only if exec call to idmap failed */ 171863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 171963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int status = wait_child(pid); 172063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (status != 0) { 172163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap failed, status=0x%04x\n", status); 172263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 172363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 172463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 172563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 172663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 172763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 172863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadfail: 172963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd >= 0) { 173063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 173163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 173263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 173363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 173463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 1735e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1736c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkeyint restorecon_app_data(const char* uuid, const char* pkgName, userid_t userid, int flags, 1737c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey appid_t appid, const char* seinfo) { 1738ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey int res = 0; 1739e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1740da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // SELINUX_ANDROID_RESTORECON_DATADATA flag is set by libselinux. Not needed here. 1741c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey unsigned int seflags = SELINUX_ANDROID_RESTORECON_RECURSE; 1742e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1743da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!pkgName || !seinfo) { 1744da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Package name or seinfo tag is null when trying to restorecon."); 1745da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1746da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1747e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1748c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey uid_t uid = multiuser_get_uid(userid, appid); 1749aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_CE) { 1750c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey auto path = create_data_user_package_path(uuid, userid, pkgName); 1751c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (selinux_android_restorecon_pkgdir(path.c_str(), seinfo, uid, seflags) < 0) { 1752c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey PLOG(ERROR) << "restorecon failed for " << path; 1753ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey res = -1; 1754da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1755c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey } 1756aa7ddfd8347fa947618a7668b013521e95722c5cJeff Sharkey if (flags & FLAG_STORAGE_DE) { 1757c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey auto path = create_data_user_de_package_path(uuid, userid, pkgName); 1758c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey if (selinux_android_restorecon_pkgdir(path.c_str(), seinfo, uid, seflags) < 0) { 1759c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey PLOG(ERROR) << "restorecon failed for " << path; 1760ea0e4b19d942f62ea21ca4e70f939f3d4aa14b37Jeff Sharkey // TODO: include result once 25796509 is fixed 1761da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1762da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1763da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1764ebf728fd43ab5c7d11a1f9e5fdc775d6740fae0aJeff Sharkey return res; 1765e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig} 17663aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 176788ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolovint create_oat_dir(const char* oat_dir, const char* instruction_set) 176888ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov{ 176988ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov char oat_instr_dir[PKG_PATH_MAX]; 177088ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov 177188ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov if (validate_apk_path(oat_dir)) { 177288ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov ALOGE("invalid apk path '%s' (bad prefix)\n", oat_dir); 177388ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return -1; 177488ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov } 17758eed7e6a9bb527af7380ec13b390c6e2955eba6aFyodor Kupolov if (fs_prepare_dir(oat_dir, S_IRWXU | S_IRWXG | S_IXOTH, AID_SYSTEM, AID_INSTALL)) { 177688ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return -1; 177788ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov } 177888ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov if (selinux_android_restorecon(oat_dir, 0)) { 177988ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov ALOGE("cannot restorecon dir '%s': %s\n", oat_dir, strerror(errno)); 178088ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return -1; 178188ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov } 178288ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov snprintf(oat_instr_dir, PKG_PATH_MAX, "%s/%s", oat_dir, instruction_set); 17838eed7e6a9bb527af7380ec13b390c6e2955eba6aFyodor Kupolov if (fs_prepare_dir(oat_instr_dir, S_IRWXU | S_IRWXG | S_IXOTH, AID_SYSTEM, AID_INSTALL)) { 178488ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return -1; 178588ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov } 178688ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return 0; 178788ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov} 178888ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov 178988ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolovint rm_package_dir(const char* apk_path) 179088ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov{ 179188ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov if (validate_apk_path(apk_path)) { 179288ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov ALOGE("invalid apk path '%s' (bad prefix)\n", apk_path); 179388ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return -1; 179488ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov } 179588ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov return delete_dir_contents(apk_path, 1 /* also_delete_dir */ , NULL /* exclusion_predicate */); 179688ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov} 179788ce4ff7a95ea2008fa28f12b880ee526e331440Fyodor Kupolov 1798d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamathint link_file(const char* relative_path, const char* from_base, const char* to_base) { 1799d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath char from_path[PKG_PATH_MAX]; 1800d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath char to_path[PKG_PATH_MAX]; 1801d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath snprintf(from_path, PKG_PATH_MAX, "%s/%s", from_base, relative_path); 1802d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath snprintf(to_path, PKG_PATH_MAX, "%s/%s", to_base, relative_path); 1803d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath 1804d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath if (validate_apk_path_subdirs(from_path)) { 1805d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath ALOGE("invalid app data sub-path '%s' (bad prefix)\n", from_path); 1806d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath return -1; 1807d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath } 1808d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath 1809d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath if (validate_apk_path_subdirs(to_path)) { 1810d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath ALOGE("invalid app data sub-path '%s' (bad prefix)\n", to_path); 1811d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath return -1; 1812d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath } 1813d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath 1814d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath const int ret = link(from_path, to_path); 1815d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath if (ret < 0) { 1816d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath ALOGE("link(%s, %s) failed : %s", from_path, to_path, strerror(errno)); 1817d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath return -1; 1818d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath } 1819d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath 1820d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath return 0; 1821d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath} 1822d845c96128a40ca5802c0840ae190fa0af7d4735Narayan Kamath 1823e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe// Helper for move_ab, so that we can have common failure-case cleanup. 1824e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampestatic bool unlink_and_rename(const char* from, const char* to) { 1825e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // Check whether "from" exists, and if so whether it's regular. If it is, unlink. Otherwise, 1826e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // return a failure. 1827e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe struct stat s; 1828e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (stat(to, &s) == 0) { 1829e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (!S_ISREG(s.st_mode)) { 1830e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe LOG(ERROR) << from << " is not a regular file to replace for A/B."; 1831e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return false; 1832e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1833e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (unlink(to) != 0) { 1834e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe LOG(ERROR) << "Could not unlink " << to << " to move A/B."; 1835e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return false; 1836e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1837e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } else { 1838e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // This may be a permission problem. We could investigate the error code, but we'll just 1839e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // let the rename failure do the work for us. 1840e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1841e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1842e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // Try to rename "to" to "from." 1843e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (rename(from, to) != 0) { 1844e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe PLOG(ERROR) << "Could not rename " << from << " to " << to; 1845e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return false; 1846e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1847e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1848e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return true; 1849e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe} 1850e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1851e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampeint move_ab(const char* apk_path, const char* instruction_set, const char* oat_dir) { 1852e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (apk_path == nullptr || instruction_set == nullptr || oat_dir == nullptr) { 1853e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe LOG(ERROR) << "Cannot move_ab with null input"; 1854e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1855e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1856e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (validate_apk_path(apk_path) != 0) { 1857e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe LOG(ERROR) << "invalid apk_path " << apk_path; 1858e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1859e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1860e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (validate_apk_path(oat_dir) != 0) { 1861e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe LOG(ERROR) << "invalid oat_dir " << oat_dir; 1862e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1863e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1864e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1865e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe char a_path[PKG_PATH_MAX]; 1866e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (!calculate_oat_file_path(a_path, oat_dir, apk_path, instruction_set)) { 1867e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1868e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1869e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1870e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // B path = A path + ".b" 1871e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe std::string b_path = StringPrintf("%s.b", a_path); 1872e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1873e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // Check whether B exists. 1874e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe { 1875e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe struct stat s; 1876e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (stat(b_path.c_str(), &s) != 0) { 18772438c6f59cc293a887e65cd34738889043a75d46Andreas Gampe // Silently ignore for now. The service calling this isn't smart enough to understand 18782438c6f59cc293a887e65cd34738889043a75d46Andreas Gampe // lack of artifacts at the moment. 1879e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1880e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1881e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (!S_ISREG(s.st_mode)) { 1882e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe LOG(ERROR) << "A/B artifact " << b_path << " is not a regular file."; 1883e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // Try to unlink, but swallow errors. 1884e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe unlink(b_path.c_str()); 1885e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1886e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1887e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1888e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1889e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // Rename B to A. 1890e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (!unlink_and_rename(b_path.c_str(), a_path)) { 1891e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe // Delete the b_path so we don't try again (or fail earlier). 1892e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe if (unlink(b_path.c_str()) != 0) { 1893e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe PLOG(ERROR) << "Could not unlink " << b_path; 1894e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1895e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1896e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return -1; 1897e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe } 1898e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 1899e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe return 0; 1900e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe} 1901e65b4faa798269ab6ee0d27dab03b8b5caa6f956Andreas Gampe 190202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} // namespace installd 190302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} // namespace android 1904