installd.cpp revision f3e30b936ef103dc0f3d8697e0f86ba82b49609e
194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* 294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Copyright 2008, The Android Open Source Project 394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 419803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** Licensed under the Apache License, Version 2.0 (the "License"); 519803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** you may not use this file except in compliance with the License. 619803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** You may obtain a copy of the License at 794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 819803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** http://www.apache.org/licenses/LICENSE-2.0 994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 1019803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** Unless required by applicable law or agreed to in writing, software 1119803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** distributed under the License is distributed on an "AS IS" BASIS, 1219803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1319803807cd7ae01868fcfa50305f4a7dd13765e2Jeff Sharkey** See the License for the specific language governing permissions and 1494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** limitations under the License. 1594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood*/ 1694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <fcntl.h> 18bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley#include <selinux/android.h> 19bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley#include <selinux/avc.h> 2002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/capability.h> 21c7d1b2250e8245a7e4e144758bc3ccd33b8d6319Jeff Sharkey#include <sys/fsuid.h> 2202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/prctl.h> 2302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <sys/stat.h> 2402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 2502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <android-base/logging.h> 2602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <cutils/fs.h> 2702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <cutils/log.h> // TODO: Move everything to base::logging. 2802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <cutils/properties.h> 2902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#include <private/android_filesystem_config.h> 3002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 31f3e30b936ef103dc0f3d8697e0f86ba82b49609eJeff Sharkey#include "InstalldNativeService.h" 32f3e30b936ef103dc0f3d8697e0f86ba82b49609eJeff Sharkey#include "globals.h" 33f3e30b936ef103dc0f3d8697e0f86ba82b49609eJeff Sharkey#include "installd_constants.h" 34f3e30b936ef103dc0f3d8697e0f86ba82b49609eJeff Sharkey#include "installd_deps.h" // Need to fill in requirements of commands. 35f3e30b936ef103dc0f3d8697e0f86ba82b49609eJeff Sharkey#include "utils.h" 3602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 3702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#ifndef LOG_TAG 3802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#define LOG_TAG "installd" 3902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe#endif 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampenamespace android { 4202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampenamespace installd { 4302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 4402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe// Check that installd-deps sizes match cutils sizes. 4502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampestatic_assert(kPropertyKeyMax == PROPERTY_KEY_MAX, "Size mismatch."); 4602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampestatic_assert(kPropertyValueMax == PROPERTY_VALUE_MAX, "Size mismatch."); 4702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 4802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe//////////////////////// 4902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe// Plug-in functions. // 5002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe//////////////////////// 5102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 5202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampeint get_property(const char *key, char *value, const char *default_value) { 5302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return property_get(key, value, default_value); 5402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} 5502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 5602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe// Compute the output path of 5702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampebool calculate_oat_file_path(char path[PKG_PATH_MAX], 5802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *oat_dir, 5902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *apk_path, 6002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *instruction_set) { 61632350257cd93e34aa1e8b354c1535864b314c38Dan Austin const char *file_name_start; 62632350257cd93e34aa1e8b354c1535864b314c38Dan Austin const char *file_name_end; 6302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 6402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe file_name_start = strrchr(apk_path, '/'); 6502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (file_name_start == NULL) { 6602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("apk_path '%s' has no '/'s in it\n", apk_path); 6702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 6802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 6902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe file_name_end = strrchr(apk_path, '.'); 7002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (file_name_end < file_name_start) { 7102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("apk_path '%s' has no extension\n", apk_path); 7202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 7302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 7402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 7502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe // Calculate file_name 7602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe int file_name_len = file_name_end - file_name_start - 1; 7702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char file_name[file_name_len + 1]; 7802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe memcpy(file_name, file_name_start + 1, file_name_len); 7902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe file_name[file_name_len] = '\0'; 8002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 8102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe // <apk_parent_dir>/oat/<isa>/<file_name>.odex 8202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe snprintf(path, PKG_PATH_MAX, "%s/%s/%s.odex", oat_dir, instruction_set, file_name); 8302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return true; 8402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} 8502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 8602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe/* 8702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe * Computes the odex file for the given apk_path and instruction_set. 8802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe * /system/framework/whatever.jar -> /system/framework/oat/<isa>/whatever.odex 8902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe * 9002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe * Returns false if it failed to determine the odex file path. 9102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe */ 9202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampebool calculate_odex_file_path(char path[PKG_PATH_MAX], 9302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *apk_path, 9402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *instruction_set) { 9502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (strlen(apk_path) + strlen("oat/") + strlen(instruction_set) 9602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe + strlen("/") + strlen("odex") + 1 > PKG_PATH_MAX) { 9702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("apk_path '%s' may be too long to form odex file path.\n", apk_path); 9802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 9902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 10002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 10102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strcpy(path, apk_path); 10202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char *end = strrchr(path, '/'); 10302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (end == NULL) { 10402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("apk_path '%s' has no '/'s in it?!\n", apk_path); 10502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 10602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 10702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *apk_end = apk_path + (end - path); // strrchr(apk_path, '/'); 10802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 10902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strcpy(end + 1, "oat/"); // path = /system/framework/oat/\0 11002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strcat(path, instruction_set); // path = /system/framework/oat/<isa>\0 11102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strcat(path, apk_end); // path = /system/framework/oat/<isa>/whatever.jar\0 11202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe end = strrchr(path, '.'); 11302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (end == NULL) { 11402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("apk_path '%s' has no extension.\n", apk_path); 11502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 11602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 11702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strcpy(end + 1, "odex"); 11802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return true; 11902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} 12002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 12102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampebool create_cache_path(char path[PKG_PATH_MAX], 12202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *src, 12302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char *instruction_set) { 12400087b70401bd09dfeaab9171d006e833e3cd844Greg Kaiser /* demand that we are an absolute path */ 12500087b70401bd09dfeaab9171d006e833e3cd844Greg Kaiser if ((src == nullptr) || (src[0] != '/') || strstr(src,"..")) { 12602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 12702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 12802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 12900087b70401bd09dfeaab9171d006e833e3cd844Greg Kaiser size_t srclen = strlen(src); 13000087b70401bd09dfeaab9171d006e833e3cd844Greg Kaiser 13102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX? 13202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 13302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 13402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 13502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe size_t dstlen = 13602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe android_data_dir.len + 13702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strlen(DALVIK_CACHE) + 13802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 1 + 13902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strlen(instruction_set) + 14002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe srclen + 14102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strlen(DALVIK_CACHE_POSTFIX) + 2; 14202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 14302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (dstlen > PKG_PATH_MAX) { 14402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 14502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 14602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 147249c1796a2e62f8751348e5bafce9f40e6538cbaDavid Brazdil sprintf(path,"%s%s/%s/%s", 14802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe android_data_dir.path, 14902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe DALVIK_CACHE, 15002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe instruction_set, 151249c1796a2e62f8751348e5bafce9f40e6538cbaDavid Brazdil src + 1 /* skip the leading / */); 15202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 15302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe char* tmp = 15402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe path + 15502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe android_data_dir.len + 15602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strlen(DALVIK_CACHE) + 15702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 1 + 15802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe strlen(instruction_set) + 1; 15902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 16002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe for(; *tmp; tmp++) { 16102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (*tmp == '/') { 16202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe *tmp = '@'; 16302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 16402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe } 16502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 166249c1796a2e62f8751348e5bafce9f40e6538cbaDavid Brazdil strcat(path, DALVIK_CACHE_POSTFIX); 16702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return true; 16802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} 16902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 170d089ca1703769854356a263ca640d3e07ab8548dAndreas Gampestatic bool initialize_globals() { 17102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char* data_path = getenv("ANDROID_DATA"); 17202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (data_path == nullptr) { 17302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("Could not find ANDROID_DATA"); 17402d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17602d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe const char* root_path = getenv("ANDROID_ROOT"); 17702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (root_path == nullptr) { 17802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe ALOGE("Could not find ANDROID_ROOT"); 17902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return false; 18094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 18194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 18202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return init_globals_from_data_and_root(data_path, root_path); 18394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 18494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 18502d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampestatic int initialize_directories() { 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int res = -1; 18794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 18894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Read current filesystem layout version to handle upgrade paths 18994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char version_path[PATH_MAX]; 19094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood snprintf(version_path, PATH_MAX, "%s.layout_version", android_data_dir.path); 19194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int oldVersion; 19394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fs_read_atomic_int(version_path, &oldVersion) == -1) { 19494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood oldVersion = 0; 19594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 19694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int version = oldVersion; 19794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 198e02657d627a85628ec6f0f398fb85283b8d91bfaJeff Sharkey if (version < 2) { 199e02657d627a85628ec6f0f398fb85283b8d91bfaJeff Sharkey SLOGD("Assuming that device has multi-user storage layout; upgrade no longer supported"); 20094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood version = 2; 20194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 20294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 20307053fcb61436221fac2281394e98ec9d0feab3dRobin Lee if (ensure_config_user_dirs(0) == -1) { 20407053fcb61436221fac2281394e98ec9d0feab3dRobin Lee ALOGE("Failed to setup misc for user 0"); 20507053fcb61436221fac2281394e98ec9d0feab3dRobin Lee goto fail; 20607053fcb61436221fac2281394e98ec9d0feab3dRobin Lee } 20707053fcb61436221fac2281394e98ec9d0feab3dRobin Lee 208095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if (version == 2) { 209095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee ALOGD("Upgrading to /data/misc/user directories"); 210095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 21160fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee char misc_dir[PATH_MAX]; 21260fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee snprintf(misc_dir, PATH_MAX, "%smisc", android_data_dir.path); 21360fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 21460fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee char keychain_added_dir[PATH_MAX]; 21560fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee snprintf(keychain_added_dir, PATH_MAX, "%s/keychain/cacerts-added", misc_dir); 21660fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 21760fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee char keychain_removed_dir[PATH_MAX]; 21860fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee snprintf(keychain_removed_dir, PATH_MAX, "%s/keychain/cacerts-removed", misc_dir); 21960fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 220095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee DIR *dir; 221095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee struct dirent *dirent; 222e02657d627a85628ec6f0f398fb85283b8d91bfaJeff Sharkey dir = opendir("/data/user"); 223095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if (dir != NULL) { 224095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee while ((dirent = readdir(dir))) { 22560fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee const char *name = dirent->d_name; 226095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 22760fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee // skip "." and ".." 22860fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (name[0] == '.') { 22960fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (name[1] == 0) continue; 23060fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if ((name[1] == '.') && (name[2] == 0)) continue; 23160fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee } 232095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 23360fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee uint32_t user_id = atoi(name); 23460fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 23560fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee // /data/misc/user/<user_id> 23660fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (ensure_config_user_dirs(user_id) == -1) { 23760fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee goto fail; 23860fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee } 23960fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 24060fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee char misc_added_dir[PATH_MAX]; 24160fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee snprintf(misc_added_dir, PATH_MAX, "%s/user/%s/cacerts-added", misc_dir, name); 24260fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 24360fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee char misc_removed_dir[PATH_MAX]; 24460fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee snprintf(misc_removed_dir, PATH_MAX, "%s/user/%s/cacerts-removed", misc_dir, name); 24560fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee 24660fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee uid_t uid = multiuser_get_uid(user_id, AID_SYSTEM); 24760fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee gid_t gid = uid; 24860fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (access(keychain_added_dir, F_OK) == 0) { 24960fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (copy_dir_files(keychain_added_dir, misc_added_dir, uid, gid) != 0) { 25060fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee ALOGE("Some files failed to copy"); 25160fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee } 25260fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee } 25360fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (access(keychain_removed_dir, F_OK) == 0) { 25460fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (copy_dir_files(keychain_removed_dir, misc_removed_dir, uid, gid) != 0) { 25560fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee ALOGE("Some files failed to copy"); 256095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee } 257095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee } 258095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee } 259095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee closedir(dir); 26007053fcb61436221fac2281394e98ec9d0feab3dRobin Lee 26160fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (access(keychain_added_dir, F_OK) == 0) { 26260fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee delete_dir_contents(keychain_added_dir, 1, 0); 26307053fcb61436221fac2281394e98ec9d0feab3dRobin Lee } 26460fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee if (access(keychain_removed_dir, F_OK) == 0) { 26560fd3feecab4336d964ca8e31c7c3220e1afb558Robin Lee delete_dir_contents(keychain_removed_dir, 1, 0); 26607053fcb61436221fac2281394e98ec9d0feab3dRobin Lee } 26707053fcb61436221fac2281394e98ec9d0feab3dRobin Lee } 268095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 26907053fcb61436221fac2281394e98ec9d0feab3dRobin Lee version = 3; 270095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee } 271095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 27294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Persist layout version if changed 27394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (version != oldVersion) { 27494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fs_write_atomic_int(version_path, version) == -1) { 27594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Failed to save version to %s: %s", version_path, strerror(errno)); 27694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 27794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 27894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 27994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 28094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Success! 28194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 0; 28294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 28394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodfail: 28494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return res; 28594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 28694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2877abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalleystatic int log_callback(int type, const char *fmt, ...) { 2887abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley va_list ap; 2897abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley int priority; 2907abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley 2917abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley switch (type) { 2927abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley case SELINUX_WARNING: 2937abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley priority = ANDROID_LOG_WARN; 2947abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley break; 2957abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley case SELINUX_INFO: 2967abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley priority = ANDROID_LOG_INFO; 2977abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley break; 2987abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley default: 2997abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley priority = ANDROID_LOG_ERROR; 3007abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley break; 3017abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley } 3027abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley va_start(ap, fmt); 3037abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley LOG_PRI_VA(priority, "SELinux", fmt, ap); 3047abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley va_end(ap); 3057abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley return 0; 3067abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley} 3077abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley 30802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampestatic int installd_main(const int argc ATTRIBUTE_UNUSED, char *argv[]) { 3096c2c056193010cf93b4264810d462c120ce801c8Jeff Sharkey int ret; 310bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley int selinux_enabled = (is_selinux_enabled() > 0); 31194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 312e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey setenv("ANDROID_LOG_TAGS", "*:v", 1); 313e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey android::base::InitLogging(argv); 314e36372423000a906bafae68844ebc6c42d09335aJeff Sharkey 3156c2c056193010cf93b4264810d462c120ce801c8Jeff Sharkey LOG(INFO) << "installd firing up"; 31694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 3177abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley union selinux_callback cb; 3187abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley cb.func_log = log_callback; 3197abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley selinux_set_callback(SELINUX_CB_LOG, cb); 3207abb52bcafa2f7b422dfe22c5ea275c2fa9e6201Stephen Smalley 32102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe if (!initialize_globals()) { 32294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Could not initialize globals; exiting.\n"); 32394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(1); 32494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 32594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 32694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (initialize_directories() < 0) { 32794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Could not create directories; exiting.\n"); 32894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(1); 32994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 33094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 331bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley if (selinux_enabled && selinux_status_open(true) < 0) { 332bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley ALOGE("Could not open selinux status; exiting.\n"); 333bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley exit(1); 334bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley } 335bd558d61871218f5b13df2fe4b7cc3b530ee947cStephen Smalley 3369087400f3c82b97aa17a74329c7e65c0a5ff4062Jeff Sharkey if ((ret = InstalldNativeService::start()) != android::OK) { 3379087400f3c82b97aa17a74329c7e65c0a5ff4062Jeff Sharkey ALOGE("Unable to start InstalldNativeService: %d", ret); 3389087400f3c82b97aa17a74329c7e65c0a5ff4062Jeff Sharkey exit(1); 3399087400f3c82b97aa17a74329c7e65c0a5ff4062Jeff Sharkey } 3409087400f3c82b97aa17a74329c7e65c0a5ff4062Jeff Sharkey 3416c2c056193010cf93b4264810d462c120ce801c8Jeff Sharkey IPCThreadState::self()->joinThreadPool(); 3426c2c056193010cf93b4264810d462c120ce801c8Jeff Sharkey 3436c2c056193010cf93b4264810d462c120ce801c8Jeff Sharkey LOG(INFO) << "installd shutting down"; 34494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 34694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 34702d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 34802d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} // namespace installd 34902d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} // namespace android 35002d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe 35102d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampeint main(const int argc, char *argv[]) { 35202d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe return android::installd::installd_main(argc, argv); 35302d0de56c75347a0cb8d5a8565dc8c4ee7616057Andreas Gampe} 354