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 1792dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn#include <inttypes.h> 18d747129e1e8876f5a50f47156ec50b6969a638e4Nick Kralevich#include <sys/capability.h> 1994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include "installd.h" 203b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom#include <cutils/sched_policy.h> 2194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <diskusage/dirsize.h> 2294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <selinux/android.h> 239e87a8014055606b514b1c72b21915e17db7d513Igor Murashkin#include <system/thread_defs.h> 2494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Directory records that are used in execution of commands. */ 2694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_data_dir; 2794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_asec_dir; 2894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_dir; 2994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_private_dir; 3094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_lib_dir; 3194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_media_dir; 3294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_array_t android_system_dirs; 3394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 344d3fd4e9988c0eb284dd5104c4dea757f723c716Robert Craigint install(const char *pkgname, uid_t uid, gid_t gid, const char *seinfo) 3594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 3794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 3894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 3994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 4294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 4394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 4794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 4894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, 0)) { 5294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 5394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 5794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 5894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 61a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 6294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 6394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 65a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 6694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 6794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 6894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 7194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 7294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 7394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 7494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 7594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 7794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 783aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 7994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for: %s", libsymlink); 8094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 8194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 8394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 8494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for: %s", libsymlink); 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 8694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9026288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 9194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 9294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 9394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 9494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 9594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 973a98389263ea0bf9656bcc6869855099194f498cStephen Smalley if (symlink(applibdir, libsymlink) < 0) { 983a98389263ea0bf9656bcc6869855099194f498cStephen Smalley ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, applibdir, 993a98389263ea0bf9656bcc6869855099194f498cStephen Smalley strerror(errno)); 1003a98389263ea0bf9656bcc6869855099194f498cStephen Smalley unlink(pkgdir); 1013a98389263ea0bf9656bcc6869855099194f498cStephen Smalley return -1; 1023a98389263ea0bf9656bcc6869855099194f498cStephen Smalley } 1033a98389263ea0bf9656bcc6869855099194f498cStephen Smalley 10494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 10594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 10694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 10794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 10894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 10994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 11094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 11194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 11294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 11394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 114abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint uninstall(const char *pkgname, userid_t userid) 11594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 11694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 11794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 118abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 11994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 12094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 121d93707342a61e66bc3eb2145628158452f577f42Dave Allison remove_profile_file(pkgname); 122d93707342a61e66bc3eb2145628158452f577f42Dave Allison 12394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents AND directory, no exceptions */ 12494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return delete_dir_contents(pkgdir, 1, NULL); 12594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 12694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 12794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint renamepkg(const char *oldpkgname, const char *newpkgname) 12894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 12994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char oldpkgdir[PKG_PATH_MAX]; 13094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char newpkgdir[PKG_PATH_MAX]; 13194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(oldpkgdir, oldpkgname, PKG_DIR_POSTFIX, 0)) 13394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(newpkgdir, newpkgname, PKG_DIR_POSTFIX, 0)) 13594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(oldpkgdir, newpkgdir) < 0) { 13894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot rename dir '%s' to '%s': %s\n", oldpkgdir, newpkgdir, strerror(errno)); 13994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 14094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 14194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 14294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 14394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint fix_uid(const char *pkgname, uid_t uid, gid_t gid) 14594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 14694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 14794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 14894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 14994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 15194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 15294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 15694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 15794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 16194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (s.st_uid != 0 || s.st_gid != 0) { 16392dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn ALOGE("fixing uid of non-root pkg: %s %" PRIu32 " %" PRIu32 "\n", pkgdir, s.st_uid, s.st_gid); 16494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 16594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 16694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0751) < 0) { 16894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 16994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 17094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 17194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 17394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 17494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 17694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 17894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 17994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 18094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 181abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_user_data(const char *pkgname, userid_t userid) 18294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 18394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 18494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 185abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 18794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1883316fe472fd68377eba9983c43dfce4281209103Jeff Sharkey return delete_dir_contents(pkgdir, 0, NULL); 18994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 19094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 191e4e91c4ead821afb5aced2e33ee39d8878eb4d1eNick Kralevichint make_user_data(const char *pkgname, uid_t uid, userid_t userid, const char* seinfo) 19294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 19394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 19494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 19594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 19694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 19794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Create the data dir for the package 199abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) { 20094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 202abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userid)) { 20394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 20494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 20694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 20794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 20894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 21094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 211a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 21294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 21394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 21494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 215a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 21694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 21794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 21894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 21994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 22094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 22194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 22294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 22394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir for non-primary: %s\n", strerror(errno)); 22494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 22594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 22694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 22794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 22894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 2293aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 23094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for non-primary: %s", 23194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood libsymlink); 23294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 23394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 23494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 23594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 23694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 23794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for non-primary: %s", 23894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood libsymlink); 23994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 24094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 24194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 24526288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 24694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 24794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 24894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 24994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 25094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 25194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2523a98389263ea0bf9656bcc6869855099194f498cStephen Smalley if (symlink(applibdir, libsymlink) < 0) { 2533a98389263ea0bf9656bcc6869855099194f498cStephen Smalley ALOGE("couldn't symlink directory for non-primary '%s' -> '%s': %s\n", libsymlink, 2543a98389263ea0bf9656bcc6869855099194f498cStephen Smalley applibdir, strerror(errno)); 2553a98389263ea0bf9656bcc6869855099194f498cStephen Smalley unlink(pkgdir); 2563a98389263ea0bf9656bcc6869855099194f498cStephen Smalley return -1; 2573a98389263ea0bf9656bcc6869855099194f498cStephen Smalley } 2583a98389263ea0bf9656bcc6869855099194f498cStephen Smalley 25994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, uid) < 0) { 26094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 26194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 26294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 26394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 26494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 26594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 26694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 26794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 26894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2697c8bec01790087748ec7afa69a31789828b751f9Robin Leeint make_user_config(userid_t userid) 27094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 271095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if (ensure_config_user_dirs(userid) == -1) { 27294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 27394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 274095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 275095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return 0; 276095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee} 277095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 278095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Leeint delete_user(userid_t userid) 279095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee{ 280095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee int status = 0; 281095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 282095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee char data_path[PKG_PATH_MAX]; 283095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_path(data_path, userid) != 0) 284095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(data_path, 1, NULL) != 0)) { 285095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 28694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 28794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 28894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char media_path[PATH_MAX]; 289095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_media_path(media_path, userid) != 0) 290095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(media_path, 1, NULL) != 0)) { 291095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 29294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 293095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 294095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee char config_path[PATH_MAX]; 295095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_config_path(config_path, userid) != 0) 296095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(config_path, 1, NULL) != 0)) { 297095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 29894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 29994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 300095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return status; 30194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 30294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 303abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_cache(const char *pkgname, userid_t userid) 30494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 30594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char cachedir[PKG_PATH_MAX]; 30694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 307abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(cachedir, pkgname, CACHE_DIR_POSTFIX, userid)) 30894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 30994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 310c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey /* delete contents, not the directory, no exceptions */ 3113aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return delete_dir_contents(cachedir, 0, NULL); 31294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 31394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 314c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkeyint delete_code_cache(const char *pkgname, userid_t userid) 315c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey{ 316c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey char codecachedir[PKG_PATH_MAX]; 317770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey struct stat s; 318c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 319c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey if (create_pkg_path(codecachedir, pkgname, CODE_CACHE_DIR_POSTFIX, userid)) 320c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey return -1; 321c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 322770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey /* it's okay if code cache is missing */ 323770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (lstat(codecachedir, &s) == -1 && errno == ENOENT) { 324770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey return 0; 325770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 326770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey 327c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey /* delete contents, not the directory, no exceptions */ 328c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey return delete_dir_contents(codecachedir, 0, NULL); 329c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey} 330c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 33194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Try to ensure free_size bytes of storage are available. 33294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * Returns 0 on success. 33394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * This is rather simple-minded because doing a full LRU would 33494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * be potentially memory-intensive, and without atime it would 33594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * also require that apps constantly modify file metadata even 33694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * when just reading from the cache, which is pretty awful. 33794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 33894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint free_cache(int64_t free_size) 33994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 34094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache_t* cache; 34194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t avail; 34294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 34394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 34494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char tmpdir[PATH_MAX]; 34594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *dirpos; 34694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood avail = data_disk_free(); 34894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail < 0) return -1; 34994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGI("free_cache(%" PRId64 ") avail %" PRId64 "\n", free_size, avail); 35194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail >= free_size) return 0; 35294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache = start_cache_collection(); 35494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files for primary user. 356abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_user_path(tmpdir, 0) == 0) { 35794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 35894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 35994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 36094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 36194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Search for other users and add any cache files from them. 36294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood snprintf(tmpdir, sizeof(tmpdir), "%s%s", android_data_dir.path, 36394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood SECONDARY_USER_PREFIX); 36494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 36594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 36694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 36794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 36894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 36994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 37094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 37194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 37294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 37394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 37494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 37694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 37794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 37894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 37994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 38094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 38194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 38594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 38794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files on external storage for all users (if it is mounted as part 38894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // of the internal storage). 38994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(tmpdir, android_media_dir.path); 39094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 39194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 39294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 39394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 39494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 39594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 39694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* skip any dir that doesn't start with a number, so not a user */ 39794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] < '0' || name[0] > '9') { 39894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 39994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 40194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 40294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lookup_media_dir(tmpdir, "Android") == 0 40394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood && lookup_media_dir(tmpdir, "data") == 0) { 40494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 40594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 40694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 40894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 40994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 41094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 41194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 41294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 41394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 41494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood clear_cache_files(cache, free_size); 41694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood finish_cache_collection(cache); 41794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return data_disk_free() >= free_size ? 0 : -1; 41994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 42094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4211b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint move_dex(const char *src, const char *dst, const char *instruction_set) 42294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 42394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char src_dex[PKG_PATH_MAX]; 42494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dst_dex[PKG_PATH_MAX]; 42594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 426770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (validate_apk_path(src)) { 427770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey ALOGE("invalid apk path '%s' (bad prefix)\n", src); 428770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey return -1; 429770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 430770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (validate_apk_path(dst)) { 431770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey ALOGE("invalid apk path '%s' (bad prefix)\n", dst); 432770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey return -1; 433770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 43494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4351b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(src_dex, src, instruction_set)) return -1; 4361b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dst_dex, dst, instruction_set)) return -1; 43794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 43894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("move %s -> %s\n", src_dex, dst_dex); 43994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(src_dex, dst_dex) < 0) { 44094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't move %s: %s\n", src_dex, strerror(errno)); 44194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 44294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 44394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 44494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 44594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 44694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4471b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint rm_dex(const char *path, const char *instruction_set) 44894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 44994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dex_path[PKG_PATH_MAX]; 45094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 451770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (validate_apk_path(path) && validate_system_app_path(path)) { 452770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey ALOGE("invalid apk path '%s' (bad prefix)\n", path); 453770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey return -1; 454770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 455770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey 4561b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dex_path, path, instruction_set)) return -1; 45794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 45894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("unlink %s\n", dex_path); 45994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(dex_path) < 0) { 460770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey if (errno != ENOENT) { 461770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey ALOGE("Couldn't unlink %s: %s\n", dex_path, strerror(errno)); 462770180a4dd86f8bda6af2e6db4676e99a5bb1548Jeff Sharkey } 46394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 46494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 46594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 46694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 46894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 469abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint get_size(const char *pkgname, userid_t userid, const char *apkpath, 4708b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn const char *libdirpath, const char *fwdlock_apkpath, const char *asecpath, 4711b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char *instruction_set, int64_t *_codesize, int64_t *_datasize, 4721b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath int64_t *_cachesize, int64_t* _asecsize) 47394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 47494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 47594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd; 47694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 47794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 47894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char path[PKG_PATH_MAX]; 47994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 48094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t codesize = 0; 48194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t datasize = 0; 48294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t cachesize = 0; 48394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t asecsize = 0; 48494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 48594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the source apk as code -- but only if it's not 48694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * on the /system partition and its not on the sdcard. 48794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 48894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_system_app_path(apkpath) && 48994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strncmp(apkpath, android_asec_dir.path, android_asec_dir.len) != 0) { 49094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(apkpath, &s) == 0) { 49194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 49294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the forward locked apk as code if it is given 49594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 49694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fwdlock_apkpath != NULL && fwdlock_apkpath[0] != '!') { 49794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(fwdlock_apkpath, &s) == 0) { 49894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 49994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the cached dexfile as code */ 5021b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (!create_cache_path(path, apkpath, instruction_set)) { 50394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(path, &s) == 0) { 50494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 50594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 50894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* add in size of any libraries */ 5098b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn if (libdirpath != NULL && libdirpath[0] != '!') { 5108b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn d = opendir(libdirpath); 51194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 51294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 51394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += calculate_dir_size(dfd); 51494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 51594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 51894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* compute asec size if it is given 51994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 52094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (asecpath != NULL && asecpath[0] != '!') { 52194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(asecpath, &s) == 0) { 52294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood asecsize += stat_size(&s); 52394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 52494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 52594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 526abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(path, pkgname, PKG_DIR_POSTFIX, userid)) { 52794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 52894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 52994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 53094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(path); 53194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 53294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 53394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 53594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 53694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* most stuff in the pkgdir is data, except for the "cache" 53794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * directory and below, which is cache, and the "lib" directory 53894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * and below, which is code... 53994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 54094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 54194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 54294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 54394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 54494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int subfd; 54594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t statsize = 0; 54694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t dirsize = 0; 54794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 54894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 54994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 55094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 55194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 55394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood statsize = stat_size(&s); 55494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY); 55694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd >= 0) { 55794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirsize = calculate_dir_size(subfd); 55894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if(!strcmp(name,"lib")) { 56094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += dirsize + statsize; 56194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if(!strcmp(name,"cache")) { 56294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cachesize += dirsize + statsize; 56394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 56494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += dirsize + statsize; 56594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (de->d_type == DT_LNK && !strcmp(name,"lib")) { 56794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // This is the symbolic link to the application's library 56894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // code. We'll count this as code instead of data, since 56994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // it is not something that the app creates. 57094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 57194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 57294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 57494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 57594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += stat_size(&s); 57694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 58094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 58194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_codesize = codesize; 58294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_datasize = datasize; 58394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_cachesize = cachesize; 58494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_asecsize = asecsize; 58594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 58694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 58794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5881b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint create_cache_path(char path[PKG_PATH_MAX], const char *src, const char *instruction_set) 58994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 59094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *tmp; 59194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srclen; 59294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstlen; 59394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 59494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srclen = strlen(src); 59594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 59694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* demand that we are an absolute path */ 59794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((src == 0) || (src[0] != '/') || strstr(src,"..")) { 59894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 59994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 60094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 60194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX? 60294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 60394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 60494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 605d93707342a61e66bc3eb2145628158452f577f42Dave Allison dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) + 6061b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(instruction_set) + 6071b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(DALVIK_CACHE_POSTFIX) + 2; 608d93707342a61e66bc3eb2145628158452f577f42Dave Allison 60994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstlen > PKG_PATH_MAX) { 61094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 61194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 61294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6131b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(path,"%s%s/%s%s", 61494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_PREFIX, 6151b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath instruction_set, 61694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood src + 1, /* skip the leading / */ 61794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_POSTFIX); 618d93707342a61e66bc3eb2145628158452f577f42Dave Allison 6191b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath for(tmp = path + strlen(DALVIK_CACHE_PREFIX) + strlen(instruction_set) + 1; *tmp; tmp++) { 62094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (*tmp == '/') { 62194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *tmp = '@'; 62294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 62394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 62494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 62594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 62694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 62794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 62894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstatic void run_dexopt(int zip_fd, int odex_fd, const char* input_file_name, 6290ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom const char* output_file_name) 63094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 6310ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* platform-specific flags affecting optimization and verification */ 6320ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dexopt_flags[PROPERTY_VALUE_MAX]; 6330ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom property_get("dalvik.vm.dexopt-flags", dexopt_flags, ""); 6340ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dexopt-flags=%s\n", dexopt_flags); 6350ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 63694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const char* DEX_OPT_BIN = "/system/bin/dexopt"; 63794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 63894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char zip_num[MAX_INT_LEN]; 63994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char odex_num[MAX_INT_LEN]; 64094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 64194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(zip_num, "%d", zip_fd); 64294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(odex_num, "%d", odex_fd); 64394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6441705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX_OPT_BIN, input_file_name, output_file_name); 64594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood execl(DEX_OPT_BIN, DEX_OPT_BIN, "--zip", zip_num, odex_num, input_file_name, 64694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dexopt_flags, (char*) NULL); 64794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("execl(%s) failed: %s\n", DEX_OPT_BIN, strerror(errno)); 64894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 64994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 65043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Lightstatic void run_patchoat(int input_fd, int oat_fd, const char* input_file_name, 65143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* output_file_name, const char *pkgname, const char *instruction_set) 65243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light{ 65343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 6548fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle static const unsigned int MAX_INSTRUCTION_SET_LEN = 7; 65543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 65643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const char* PATCHOAT_BIN = "/system/bin/patchoat"; 65743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 65843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Instruction set %s longer than max length of %d", 65943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light instruction_set, MAX_INSTRUCTION_SET_LEN); 66043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return; 66143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 66243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 66343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* input_file_name/input_fd should be the .odex/.oat file that is precompiled. I think*/ 66443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 66543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char output_oat_fd_arg[strlen("--output-oat-fd=") + MAX_INT_LEN]; 66643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char input_oat_fd_arg[strlen("--input-oat-fd=") + MAX_INT_LEN]; 66743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* patched_image_location_arg = "--patched-image-location=/system/framework/boot.art"; 66843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light // The caller has already gotten all the locks we need. 66943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* no_lock_arg = "--no-lock-output"; 67043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 67143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(output_oat_fd_arg, "--output-oat-fd=%d", oat_fd); 67243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(input_oat_fd_arg, "--input-oat-fd=%d", input_fd); 67343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Running %s isa=%s in-fd=%d (%s) out-fd=%d (%s)\n", 67443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light PATCHOAT_BIN, instruction_set, input_fd, input_file_name, oat_fd, output_file_name); 67543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 67643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* patchoat, patched-image-location, no-lock, isa, input-fd, output-fd */ 67743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char* argv[7]; 67843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[0] = (char*) PATCHOAT_BIN; 67943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[1] = (char*) patched_image_location_arg; 68043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[2] = (char*) no_lock_arg; 68143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[3] = instruction_set_arg; 68243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[4] = output_oat_fd_arg; 68343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[5] = input_oat_fd_arg; 68443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[6] = NULL; 68543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 68643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light execv(PATCHOAT_BIN, (char* const *)argv); 68743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("execv(%s) failed: %s\n", PATCHOAT_BIN, strerror(errno)); 68843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light} 68943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 6901705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstromstatic void run_dex2oat(int zip_fd, int oat_fd, const char* input_file_name, 691f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe const char* output_file_name, int swap_fd, const char *pkgname, const char *instruction_set, 692b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle bool vm_safe_mode) 6931705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom{ 6948fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle static const unsigned int MAX_INSTRUCTION_SET_LEN = 7; 6958fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 6968fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 6978fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle ALOGE("Instruction set %s longer than max length of %d", 6988fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle instruction_set, MAX_INSTRUCTION_SET_LEN); 6998fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle return; 7008fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle } 7018fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 702e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char prop_buf[PROPERTY_VALUE_MAX]; 703e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool profiler = (property_get("dalvik.vm.profiler", prop_buf, "0") > 0) && (prop_buf[0] == '1'); 704e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 705e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xms_flag[PROPERTY_VALUE_MAX]; 706e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool have_dex2oat_Xms_flag = property_get("dalvik.vm.dex2oat-Xms", dex2oat_Xms_flag, NULL) > 0; 707e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 708e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xmx_flag[PROPERTY_VALUE_MAX]; 709e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool have_dex2oat_Xmx_flag = property_get("dalvik.vm.dex2oat-Xmx", dex2oat_Xmx_flag, NULL) > 0; 710e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 7119a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom char dex2oat_compiler_filter_flag[PROPERTY_VALUE_MAX]; 7129a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom bool have_dex2oat_compiler_filter_flag = property_get("dalvik.vm.dex2oat-filter", 7139a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom dex2oat_compiler_filter_flag, NULL) > 0; 7149a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom 7158fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle char dex2oat_isa_features_key[PROPERTY_KEY_MAX]; 7168fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set); 7178fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle char dex2oat_isa_features[PROPERTY_VALUE_MAX]; 7188fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle bool have_dex2oat_isa_features = property_get(dex2oat_isa_features_key, 7198fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle dex2oat_isa_features, NULL) > 0; 7208fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 7210ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dex2oat_flags[PROPERTY_VALUE_MAX]; 7224fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_dex2oat_flags = property_get("dalvik.vm.dex2oat-flags", dex2oat_flags, NULL) > 0; 7230ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dex2oat-flags=%s\n", dex2oat_flags); 7240ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 72541cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom // If we booting without the real /data, don't spend time compiling. 72641cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom char vold_decrypt[PROPERTY_VALUE_MAX]; 72741cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom bool have_vold_decrypt = property_get("vold.decrypt", vold_decrypt, "") > 0; 72841cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom bool skip_compilation = (have_vold_decrypt && 72941cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom (strcmp(vold_decrypt, "trigger_restart_min_framework") == 0 || 73041cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom (strcmp(vold_decrypt, "1") == 0))); 73141cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom 7321705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const char* DEX2OAT_BIN = "/system/bin/dex2oat"; 73353e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 73453e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom static const char* RUNTIME_ARG = "--runtime-arg"; 73553e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 7361705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 7371b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 7381705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_fd_arg[strlen("--zip-fd=") + MAX_INT_LEN]; 7391705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX]; 7401705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN]; 7417195fcc2185c35b45a8f28c79fde4999b38850e8Brian Carlstrom char oat_location_arg[strlen("--oat-location=") + PKG_PATH_MAX]; 7421b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 7438fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle char instruction_set_features_arg[strlen("--instruction-set-features=") + PROPERTY_VALUE_MAX]; 7444fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle char profile_file_arg[strlen("--profile-file=") + PKG_PATH_MAX]; 7454fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle char top_k_profile_threshold_arg[strlen("--top-k-profile-threshold=") + PROPERTY_VALUE_MAX]; 746e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xms_arg[strlen("-Xms") + PROPERTY_VALUE_MAX]; 747e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xmx_arg[strlen("-Xmx") + PROPERTY_VALUE_MAX]; 7489a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom char dex2oat_compiler_filter_arg[strlen("--compiler-filter=") + PROPERTY_VALUE_MAX]; 749f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe bool have_dex2oat_swap_fd = false; 750f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe char dex2oat_swap_fd[strlen("--swap-fd=") + MAX_INT_LEN]; 7511705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 7521705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd); 7531705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_location_arg, "--zip-location=%s", input_file_name); 7541705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd); 7551705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_location_arg, "--oat-location=%s", output_file_name); 7561b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 7578fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle sprintf(instruction_set_features_arg, "--instruction-set-features=%s", dex2oat_isa_features); 758f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (swap_fd >= 0) { 759f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe have_dex2oat_swap_fd = true; 760f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe sprintf(dex2oat_swap_fd, "--swap-fd=%d", swap_fd); 761f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 76257c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle 7634fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_profile_file = false; 7644fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_top_k_profile_threshold = false; 76557c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle if (profiler && (strcmp(pkgname, "*") != 0)) { 76657c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle char profile_file[PKG_PATH_MAX]; 76757c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle snprintf(profile_file, sizeof(profile_file), "%s/%s", 768d93707342a61e66bc3eb2145628158452f577f42Dave Allison DALVIK_CACHE_PREFIX "profiles", pkgname); 76957c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle struct stat st; 7704fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if ((stat(profile_file, &st) == 0) && (st.st_size > 0)) { 77157c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle sprintf(profile_file_arg, "--profile-file=%s", profile_file); 7724fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle have_profile_file = true; 7734fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (property_get("dalvik.vm.profile.top-k-thr", prop_buf, NULL) > 0) { 7744fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle snprintf(top_k_profile_threshold_arg, sizeof(top_k_profile_threshold_arg), 7754fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle "--top-k-profile-threshold=%s", prop_buf); 7764fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle have_top_k_profile_threshold = true; 7774fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 77857c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle } 779d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 7801705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 781e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 782e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xms_arg, "-Xms%s", dex2oat_Xms_flag); 783e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 784e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 785e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xmx_arg, "-Xmx%s", dex2oat_Xmx_flag); 786e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 78741cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom if (skip_compilation) { 788e18987efb5e39ca1bed15527b7b82bde55c99669Brian Carlstrom strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=verify-none"); 78941cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom have_dex2oat_compiler_filter_flag = true; 790b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle } else if (vm_safe_mode) { 791b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=interpret-only"); 79297477d203eaf0c3235bbe2415356f20a0431cadaCalin Juravle have_dex2oat_compiler_filter_flag = true; 79341cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom } else if (have_dex2oat_compiler_filter_flag) { 7949a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom sprintf(dex2oat_compiler_filter_arg, "--compiler-filter=%s", dex2oat_compiler_filter_flag); 7959a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom } 796e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 7971705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name); 7984fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 799e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char* argv[7 // program name, mandatory arguments and the final NULL 8008fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle + (have_dex2oat_isa_features ? 1 : 0) 8014fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_profile_file ? 1 : 0) 8024fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_top_k_profile_threshold ? 1 : 0) 803e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom + (have_dex2oat_Xms_flag ? 2 : 0) 804e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom + (have_dex2oat_Xmx_flag ? 2 : 0) 8059a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom + (have_dex2oat_compiler_filter_flag ? 1 : 0) 806f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe + (have_dex2oat_flags ? 1 : 0) 807f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe + (have_dex2oat_swap_fd ? 1 : 0)]; 8084fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle int i = 0; 8094fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = (char*)DEX2OAT_BIN; 8104fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_fd_arg; 8114fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_location_arg; 8124fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_fd_arg; 8134fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_location_arg; 8144fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = instruction_set_arg; 8158fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle if (have_dex2oat_isa_features) { 8168fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle argv[i++] = instruction_set_features_arg; 8178fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle } 8184fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_profile_file) { 8194fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = profile_file_arg; 8204fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 8214fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_top_k_profile_threshold) { 8224fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = top_k_profile_threshold_arg; 8234fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 824e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 825e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = (char*)RUNTIME_ARG; 826e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xms_arg; 827e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 828e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 829e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = (char*)RUNTIME_ARG; 830e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xmx_arg; 831e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 8329a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom if (have_dex2oat_compiler_filter_flag) { 8339a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom argv[i++] = dex2oat_compiler_filter_arg; 8349a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom } 8354fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_dex2oat_flags) { 8364fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = dex2oat_flags; 8374fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 838f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (have_dex2oat_swap_fd) { 839f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe argv[i++] = dex2oat_swap_fd; 840f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 841e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom // Do not add after dex2oat_flags, they should override others for debugging. 8424fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i] = NULL; 8434fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 8444fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle execv(DEX2OAT_BIN, (char* const *)argv); 8451705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("execl(%s) failed: %s\n", DEX2OAT_BIN, strerror(errno)); 8461705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom} 8471705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 84863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int wait_child(pid_t pid) 84994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 85094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int status; 85194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t got_pid; 85294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 85394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 85494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood got_pid = waitpid(pid, &status, 0); 85594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid == -1 && errno == EINTR) { 85694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood printf("waitpid interrupted, retrying\n"); 85794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 85894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 85994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid != pid) { 86294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("waitpid failed: wanted %d, got %d: %s\n", 86394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (int) pid, (int) got_pid, strerror(errno)); 86494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 86594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 86794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { 86894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 86994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 87094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return status; /* always nonzero */ 87194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 87294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 87394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 874f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe/* 875f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe * Whether dexopt should use a swap file when compiling an APK. If kAlwaysProvideSwapFile, do this 876f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe * on all devices (dex2oat will make a more informed decision itself, anyways). Otherwise, only do 877f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe * this on a low-mem device. 878f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe */ 879f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampestatic bool kAlwaysProvideSwapFile = true; 880f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe 881f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampestatic bool ShouldUseSwapFileForDexopt() { 882f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (kAlwaysProvideSwapFile) { 883f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe return true; 884f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 885f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe 886f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe char low_mem_buf[PROPERTY_VALUE_MAX]; 887f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe property_get("ro.config.low_ram", low_mem_buf, ""); 888f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe return (strcmp(low_mem_buf, "true") == 0); 889f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe} 890f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe 891b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravleint dexopt(const char *apk_path, uid_t uid, bool is_public, 89243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *pkgname, const char *instruction_set, 893b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle bool vm_safe_mode, bool is_patchoat) 89494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 89594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct utimbuf ut; 89643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light struct stat input_stat, dex_stat; 8971705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char out_path[PKG_PATH_MAX]; 898e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom char persist_sys_dalvik_vm_lib[PROPERTY_VALUE_MAX]; 899f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe char swap_file_name[PKG_PATH_MAX]; 90094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *end; 90143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *input_file; 90243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char in_odex_path[PKG_PATH_MAX]; 903f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe int res, input_fd=-1, out_fd=-1, swap_fd=-1; 90494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 905f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Early best-effort check whether we can fit the the path into our buffers. 906f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Note: the cache path will require an additional 5 bytes for ".swap", but we'll try to run 907f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // without a swap file, if necessary. 90894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(apk_path) >= (PKG_PATH_MAX - 8)) { 90994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 91094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 91194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9120ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* The command to run depend on the value of persist.sys.dalvik.vm.lib */ 913856bc78efcda3d1584ba7d6f8f4b041d5f640de0Brian Carlstrom property_get("persist.sys.dalvik.vm.lib.2", persist_sys_dalvik_vm_lib, "libart.so"); 9141705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 91543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat && strncmp(persist_sys_dalvik_vm_lib, "libart", 6) != 0) { 91643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* We may only patch if we are libart */ 91743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Patching is only supported in libart\n"); 91843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 91943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 92043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 9211705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom /* Before anything else: is there a .odex file? If so, we have 9221705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom * precompiled the apk and there is nothing to do here. 92343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light * 92443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light * We skip this if we are doing a patchoat. 9251705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom */ 9260e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(out_path, apk_path); 9270e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang end = strrchr(out_path, '.'); 92843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end != NULL && !is_patchoat) { 9290e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(end, ".odex"); 9300e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang if (stat(out_path, &dex_stat) == 0) { 9310e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang return 0; 9320e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang } 93394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 93494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9351b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(out_path, apk_path, instruction_set)) { 93694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 93794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 93894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 93943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat) { 94043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* /system/framework/whatever.jar -> /system/framework/<isa>/whatever.odex */ 94143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(in_odex_path, apk_path); 94243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light end = strrchr(in_odex_path, '/'); 94343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end == NULL) { 94443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("apk_path '%s' has no '/'s in it?!\n", apk_path); 94543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 94643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 94743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *apk_end = apk_path + (end - in_odex_path); // strrchr(apk_path, '/'); 94843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(end + 1, instruction_set); // in_odex_path now is /system/framework/<isa>\0 94943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcat(in_odex_path, apk_end); 95043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light end = strrchr(in_odex_path, '.'); 95143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end == NULL) { 95243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 95343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 95443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(end + 1, "odex"); 95543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_file = in_odex_path; 95643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } else { 95743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_file = apk_path; 95843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 95943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 96043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light memset(&input_stat, 0, sizeof(input_stat)); 96143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light stat(input_file, &input_stat); 96294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 96343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_fd = open(input_file, O_RDONLY, 0); 96443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (input_fd < 0) { 96543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("installd cannot open '%s' for input during dexopt\n", input_file); 96694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 96794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 96894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9691705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 9701705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom out_fd = open(out_path, O_RDWR | O_CREAT | O_EXCL, 0644); 9711705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd < 0) { 9721705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot open '%s' for output during dexopt\n", out_path); 97394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 97494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9751705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchmod(out_fd, 97694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood S_IRUSR|S_IWUSR|S_IRGRP | 97794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (is_public ? S_IROTH : 0)) < 0) { 9781705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chmod '%s' during dexopt\n", out_path); 97994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 98094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9811705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchown(out_fd, AID_SYSTEM, uid) < 0) { 9821705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chown '%s' during dexopt\n", out_path); 98394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 98494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 98594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 986d93707342a61e66bc3eb2145628158452f577f42Dave Allison // Create profile file if there is a package name present. 987d93707342a61e66bc3eb2145628158452f577f42Dave Allison if (strcmp(pkgname, "*") != 0) { 988d93707342a61e66bc3eb2145628158452f577f42Dave Allison create_profile_file(pkgname, uid); 989d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 990d93707342a61e66bc3eb2145628158452f577f42Dave Allison 991f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Create a swap file if necessary. 992f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (!is_patchoat && ShouldUseSwapFileForDexopt()) { 993f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Make sure there really is enough space. 994f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe size_t out_len = strlen(out_path); 995f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (out_len + strlen(".swap") + 1 <= PKG_PATH_MAX) { 996f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe strcpy(swap_file_name, out_path); 997f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe strcpy(swap_file_name + strlen(out_path), ".swap"); 998f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe unlink(swap_file_name); 999f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe swap_fd = open(swap_file_name, O_RDWR | O_CREAT | O_EXCL, 0600); 1000f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (swap_fd < 0) { 1001f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Could not create swap file. Optimistically go on and hope that we can compile 1002f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // without it. 1003f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe ALOGE("installd could not create '%s' for swap during dexopt\n", swap_file_name); 1004f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } else { 1005f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Immediately unlink. We don't really want to hit flash. 1006f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe unlink(swap_file_name); 1007f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 1008f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } else { 1009f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe // Swap file path is too long. Try to run without. 1010f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe ALOGE("installd could not create swap file for path %s during dexopt\n", out_path); 1011f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 1012f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 1013d93707342a61e66bc3eb2145628158452f577f42Dave Allison 101443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGV("DexInv: --- BEGIN '%s' ---\n", input_file); 101594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 101694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid; 101794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid = fork(); 101894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (pid == 0) { 101994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* child -- drop privileges before continuing */ 102094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setgid(uid) != 0) { 10211705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setgid(%d) failed in installd during dexopt\n", uid); 102294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(64); 102394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 102494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setuid(uid) != 0) { 10251705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setuid(%d) failed in installd during dexopt\n", uid); 102694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(65); 102794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 102894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // drop capabilities 102994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_header_struct capheader; 103094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_data_struct capdata[2]; 103194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capheader, 0, sizeof(capheader)); 103294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capdata, 0, sizeof(capdata)); 103394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood capheader.version = _LINUX_CAPABILITY_VERSION_3; 103494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (capset(&capheader, &capdata[0]) < 0) { 103594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("capset failed: %s\n", strerror(errno)); 103694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(66); 103794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 10383b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom if (set_sched_policy(0, SP_BACKGROUND) < 0) { 10393b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom ALOGE("set_sched_policy failed: %s\n", strerror(errno)); 10403b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom exit(70); 10413b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom } 10429e87a8014055606b514b1c72b21915e17db7d513Igor Murashkin if (setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_BACKGROUND) < 0) { 10439e87a8014055606b514b1c72b21915e17db7d513Igor Murashkin ALOGE("setpriority failed: %s\n", strerror(errno)); 10449e87a8014055606b514b1c72b21915e17db7d513Igor Murashkin exit(71); 10459e87a8014055606b514b1c72b21915e17db7d513Igor Murashkin } 10461705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) { 10471705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno)); 104894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(67); 104994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 105094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1051e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom if (strncmp(persist_sys_dalvik_vm_lib, "libdvm", 6) == 0) { 105243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_dexopt(input_fd, out_fd, input_file, out_path); 1053e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom } else if (strncmp(persist_sys_dalvik_vm_lib, "libart", 6) == 0) { 105443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat) { 105543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_patchoat(input_fd, out_fd, input_file, out_path, pkgname, instruction_set); 105643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } else { 1057f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe run_dex2oat(input_fd, out_fd, input_file, out_path, swap_fd, pkgname, 1058f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe instruction_set, vm_safe_mode); 105943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 10601705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } else { 1061e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom exit(69); /* Unexpected persist.sys.dalvik.vm.lib value */ 10621705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } 106394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(68); /* only get here on exec failure */ 106494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 106563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad res = wait_child(pid); 106663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (res == 0) { 106743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGV("DexInv: --- END '%s' (success) ---\n", input_file); 106863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 106943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("DexInv: --- END '%s' --- status=0x%04x, process failed\n", input_file, res); 107094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 107194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 107294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 107394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 107443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ut.actime = input_stat.st_atime; 107543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ut.modtime = input_stat.st_mtime; 10761705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom utime(out_path, &ut); 10771705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 10781705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 107943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light close(input_fd); 1080f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe if (swap_fd != -1) { 1081f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe close(swap_fd); 1082f68ce4de7fcfcc090af7985972b304eed7dbaf63Andreas Gampe } 108394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 108494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 108594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodfail: 10861705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd >= 0) { 10871705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 10881705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 108994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 109043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (input_fd >= 0) { 109143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light close(input_fd); 109294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 109394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 109494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 109594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1096b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamathint mark_boot_complete(const char* instruction_set) 1097b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath{ 1098b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath char boot_marker_path[PKG_PATH_MAX]; 1099b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath sprintf(boot_marker_path,"%s%s/.booting", DALVIK_CACHE_PREFIX, instruction_set); 1100b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath 1101b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath ALOGV("mark_boot_complete : %s", boot_marker_path); 1102b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath if (unlink(boot_marker_path) != 0) { 1103b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath ALOGE("Unable to unlink boot marker at %s, error=%s", boot_marker_path, 1104b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath strerror(errno)); 1105b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath return -1; 1106b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath } 1107b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath 1108b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath return 0; 1109b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath} 1110b1a6c2f95a455aa2829340fcc8d233493855f4d4Narayan Kamath 111194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid mkinnerdirs(char* path, int basepos, mode_t mode, int uid, int gid, 111294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat* statbuf) 111394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 111494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (path[basepos] != 0) { 111594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (path[basepos] == '/') { 111694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = 0; 111794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(path, statbuf) < 0) { 111894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Making directory: %s\n", path); 111994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (mkdir(path, mode) == 0) { 112094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood chown(path, uid, gid); 112194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 112294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to make directory %s: %s\n", path, strerror(errno)); 112394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 112494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 112594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = '/'; 112694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 112794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 112894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 112994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 113094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 113194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefileordir(char* srcpath, char* dstpath, int dstbasepos, 113394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid, int dstgid, struct stat* statbuf) 113494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 113594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 113694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 113794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int res; 113894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srcend = strlen(srcpath); 114094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstend = strlen(dstpath); 1141d93707342a61e66bc3eb2145628158452f577f42Dave Allison 114294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, statbuf) < 0) { 114394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to stat %s: %s\n", srcpath, strerror(errno)); 114494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 114594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1146d93707342a61e66bc3eb2145628158452f577f42Dave Allison 114794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((statbuf->st_mode&S_IFDIR) == 0) { 114894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood mkinnerdirs(dstpath, dstbasepos, S_IRWXU|S_IRWXG|S_IXOTH, 114994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, statbuf); 115094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Renaming %s to %s (uid %d)\n", srcpath, dstpath, dstuid); 115194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(srcpath, dstpath) >= 0) { 115294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(dstpath, dstuid, dstgid) < 0) { 115394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown %s: %s\n", dstpath, strerror(errno)); 115494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(dstpath); 115594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 115694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 115794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 115894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to rename %s to %s: %s\n", 115994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath, dstpath, strerror(errno)); 116094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 116194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 116294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 116394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 116494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 116594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(srcpath); 116694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 116794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to opendir %s: %s\n", srcpath, strerror(errno)); 116894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 116994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 117094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 117194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 0; 1172d93707342a61e66bc3eb2145628158452f577f42Dave Allison 117394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 117494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 117594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 117694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 117794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 117894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 117994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1180d93707342a61e66bc3eb2145628158452f577f42Dave Allison 118194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((srcend+strlen(name)) >= (PKG_PATH_MAX-2)) { 118294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Source path too long; skipping: %s/%s\n", srcpath, name); 118394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 118494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1185d93707342a61e66bc3eb2145628158452f577f42Dave Allison 118694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((dstend+strlen(name)) >= (PKG_PATH_MAX-2)) { 118794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Destination path too long; skipping: %s/%s\n", dstpath, name); 118894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 118994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1190d93707342a61e66bc3eb2145628158452f577f42Dave Allison 119194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = '/'; 119294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpath+srcend+1, name); 119394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpath+dstend+1, name); 1194d93707342a61e66bc3eb2145628158452f577f42Dave Allison 119594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (movefileordir(srcpath, dstpath, dstbasepos, dstuid, dstgid, statbuf) != 0) { 119694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 1; 119794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1198d93707342a61e66bc3eb2145628158452f577f42Dave Allison 119994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Note: we will be leaving empty directories behind in srcpath, 120094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // but that is okay, the package manager will be erasing all of the 120194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // data associated with .apks that disappear. 1202d93707342a61e66bc3eb2145628158452f577f42Dave Allison 120394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = 0; 120494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1205d93707342a61e66bc3eb2145628158452f577f42Dave Allison 120694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 120794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return res; 120894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 120994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 121094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefiles() 121194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 121294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 121394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd, subfd; 121494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 121594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 121694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char buf[PKG_PATH_MAX+1]; 121794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int bufp, bufe, bufi, readlen; 121894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 121994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpkg[PKG_NAME_MAX]; 122094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpkg[PKG_NAME_MAX]; 122194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpath[PKG_PATH_MAX]; 122294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpath[PKG_PATH_MAX]; 122394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid=-1, dstgid=-1; 122494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int hasspace; 122594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 122694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(UPDATE_COMMANDS_DIR_PREFIX); 122794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 122894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 122994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 123094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 123194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 123294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* Iterate through all files in the directory, executing the 123394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * file movements requested there-in. 123494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 123594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 123694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 123794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 123894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 123994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 124094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 124194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY); 124294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd < 0) { 124394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to open update commands at %s%s\n", 124494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name); 124594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 124694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1247d93707342a61e66bc3eb2145628158452f577f42Dave Allison 124894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 124994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe = 0; 125094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[PKG_PATH_MAX] = 0; 125194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 125294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 125394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi = bufp; 125494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufi < bufe && buf[bufi] != '\n') { 125594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi++; 125694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 125794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufi < bufe) { 125894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufi] = 0; 125994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Processing line: %s\n", buf+bufp); 126094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 0; 126194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufp < bufi && isspace(buf[bufp])) { 126294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 1; 126394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp++; 126494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 126594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (buf[bufp] == '#' || bufp == bufi) { 126694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // skip comments and empty lines. 126794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (hasspace) { 126894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstpkg[0] == 0) { 126994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path before package line in %s%s: %s\n", 127094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 127194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (srcpkg[0] == 0) { 127294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Skip -- source package no longer exists. 127394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 127494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Move file: %s (from %s to %s)\n", buf+bufp, srcpkg, dstpkg); 127594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_move_path(srcpath, srcpkg, buf+bufp, 0) && 127694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood !create_move_path(dstpath, dstpkg, buf+bufp, 0)) { 127794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood movefileordir(srcpath, dstpath, 127894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strlen(dstpath)-strlen(buf+bufp), 127994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, &s); 128094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 128194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 128294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 128394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char* div = strchr(buf+bufp, ':'); 128494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (div == NULL) { 128594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Bad package spec in %s%s; no ':' sep: %s\n", 128694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 128794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 128894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *div = 0; 128994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div++; 129094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(buf+bufp) < PKG_NAME_MAX) { 129194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpkg, buf+bufp); 129294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 129394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 129494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 129594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 129694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 129794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(div) < PKG_NAME_MAX) { 129894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpkg, div); 129994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 130094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 130194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 130294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, div); 130394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 130494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 130594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(srcpath, srcpkg, PKG_DIR_POSTFIX, 0)) { 130694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, &s) < 0) { 130794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Package no longer exists -- skip. 130894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 130994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 131094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 131194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 131294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 131394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 131494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 131594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 131694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(dstpath, dstpkg, PKG_DIR_POSTFIX, 0)) { 131794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(dstpath, &s) == 0) { 131894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid = s.st_uid; 131994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstgid = s.st_gid; 132094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 132194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Destination package doesn't 132294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // exist... due to original-package, 132394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // this is normal, so don't be 132494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // noisy about it. 132594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 132694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 132794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 132894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 132994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 133094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 133194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Transfering from %s to %s: uid=%d\n", 133494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg, dstpkg, dstuid); 133594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = bufi+1; 133994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 134094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp == 0) { 134194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp < bufe) { 134294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Line too long in %s%s, skipping: %s\n", 134394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf); 134494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 134594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (bufp < bufe) { 134694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memcpy(buf, buf+bufp, bufe-bufp); 134794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe -= bufp; 134894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 134994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 135094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood readlen = read(subfd, buf+bufe, PKG_PATH_MAX-bufe); 135194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (readlen < 0) { 135294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Failure reading update commands in %s%s: %s\n", 135394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, strerror(errno)); 135494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 135594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (readlen == 0) { 135694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 135794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 135894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe += readlen; 135994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufe] = 0; 136094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Read buf: %s\n", buf); 136194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 136294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 136394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood close(subfd); 136494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 136594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 136694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 136794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 136894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 136994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 137094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 137194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint linklib(const char* pkgname, const char* asecLibDir, int userId) 137294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 137394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 137494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 137594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s, libStat; 137694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 137794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 137894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userId)) { 137994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 138094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 138194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 138294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userId)) { 138394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 138494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 138594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 138694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 138794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 138894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 138994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, AID_INSTALL, AID_INSTALL) < 0) { 139094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s': %s\n", pkgdir, strerror(errno)); 139194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 139294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 139394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 139494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0700) < 0) { 139594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 1: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 139694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 139794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 139894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 139994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 140094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 140194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 140294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 140394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 140494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 140594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 140694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 140794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 14083aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 140994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 141094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 141194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 141294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 141394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 141494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib dir: %s\n", strerror(errno)); 141594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 141694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 141794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 141894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 141994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 142094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 142194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(asecLibDir, libsymlink) < 0) { 142294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, asecLibDir, 142394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strerror(errno)); 142494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 142594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 142694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 142794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 142894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodout: 142994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, s.st_mode) < 0) { 143094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 2: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 143194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 143294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 143394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 143494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, s.st_uid, s.st_gid) < 0) { 143594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s' : %s\n", pkgdir, strerror(errno)); 143694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 143794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 143894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 143994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return rc; 144094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 144163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 144263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic void run_idmap(const char *target_apk, const char *overlay_apk, int idmap_fd) 144363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 144463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const char *IDMAP_BIN = "/system/bin/idmap"; 144563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const size_t MAX_INT_LEN = 32; 144663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_str[MAX_INT_LEN]; 144763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 144863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_str, sizeof(idmap_str), "%d", idmap_fd); 144963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 145063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad execl(IDMAP_BIN, IDMAP_BIN, "--fd", target_apk, overlay_apk, idmap_str, (char*)NULL); 145163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("execl(%s) failed: %s\n", IDMAP_BIN, strerror(errno)); 145263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 145363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 145463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// Transform string /a/b/c.apk to (prefix)/a@b@c.apk@(suffix) 145563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// eg /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap 145663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int flatten_path(const char *prefix, const char *suffix, 145763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const char *overlay_path, char *idmap_path, size_t N) 145863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 145963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (overlay_path == NULL || idmap_path == NULL) { 146063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 146163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 146263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_overlay_path = strlen(overlay_path); 146363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // will access overlay_path + 1 further below; requires absolute path 146463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (len_overlay_path < 2 || *overlay_path != '/') { 146563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 146663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 146763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_idmap_root = strlen(prefix); 146863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_suffix = strlen(suffix); 146963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (SIZE_MAX - len_idmap_root < len_overlay_path || 147063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad SIZE_MAX - (len_idmap_root + len_overlay_path) < len_suffix) { 147163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // additions below would cause overflow 147263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 147363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 147463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (N < len_idmap_root + len_overlay_path + len_suffix) { 147563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 147663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 147763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad memset(idmap_path, 0, N); 147863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_path, N, "%s%s%s", prefix, overlay_path + 1, suffix); 147963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char *ch = idmap_path + len_idmap_root; 148063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad while (*ch != '\0') { 148163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (*ch == '/') { 148263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad *ch = '@'; 148363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 148463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ++ch; 148563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 148663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 148763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 148863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 148963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadint idmap(const char *target_apk, const char *overlay_apk, uid_t uid) 149063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 149163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGV("idmap target_apk=%s overlay_apk=%s uid=%d\n", target_apk, overlay_apk, uid); 149263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 149363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int idmap_fd = -1; 149463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_path[PATH_MAX]; 149563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 149663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flatten_path(IDMAP_PREFIX, IDMAP_SUFFIX, overlay_apk, 149763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_path, sizeof(idmap_path)) == -1) { 149863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot generate idmap path for overlay %s\n", overlay_apk); 149963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 150063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 150163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 150263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 150363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_fd = open(idmap_path, O_RDWR | O_CREAT | O_EXCL, 0644); 150463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd < 0) { 150563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot open '%s' for output: %s\n", idmap_path, strerror(errno)); 150663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 150763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 150863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchown(idmap_fd, AID_SYSTEM, uid) < 0) { 150963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chown '%s'\n", idmap_path); 151063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 151163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 151263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchmod(idmap_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0) { 151363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chmod '%s'\n", idmap_path); 151463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 151563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 151663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 151763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid_t pid; 151863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid = fork(); 151963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (pid == 0) { 152063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad /* child -- drop privileges before continuing */ 152163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setgid(uid) != 0) { 152263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setgid(%d) failed during idmap\n", uid); 152363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 152463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 152563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setuid(uid) != 0) { 152663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setuid(%d) failed during idmap\n", uid); 152763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 152863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 152963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flock(idmap_fd, LOCK_EX | LOCK_NB) != 0) { 153063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("flock(%s) failed during idmap: %s\n", idmap_path, strerror(errno)); 153163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 153263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 153363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 153463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad run_idmap(target_apk, overlay_apk, idmap_fd); 153563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); /* only if exec call to idmap failed */ 153663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 153763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int status = wait_child(pid); 153863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (status != 0) { 153963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap failed, status=0x%04x\n", status); 154063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 154163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 154263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 154363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 154463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 154563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 154663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadfail: 154763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd >= 0) { 154863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 154963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 155063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 155163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 155263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 1553e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1554da30dc7336f03ca629fe173db1425fdce989119cRobert Craigint restorecon_data(const char* pkgName, const char* seinfo, uid_t uid) 1555e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig{ 1556da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct dirent *entry; 1557da30dc7336f03ca629fe173db1425fdce989119cRobert Craig DIR *d; 1558da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct stat s; 1559da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *userdir; 1560da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *primarydir; 1561da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *pkgdir; 1562da30dc7336f03ca629fe173db1425fdce989119cRobert Craig int ret = 0; 1563e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1564da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // SELINUX_ANDROID_RESTORECON_DATADATA flag is set by libselinux. Not needed here. 1565da30dc7336f03ca629fe173db1425fdce989119cRobert Craig unsigned int flags = SELINUX_ANDROID_RESTORECON_RECURSE; 1566e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1567da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!pkgName || !seinfo) { 1568da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Package name or seinfo tag is null when trying to restorecon."); 1569da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1570da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1571e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1572da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&primarydir, "%s%s%s", android_data_dir.path, PRIMARY_USER_PREFIX, pkgName) < 0) { 1573e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return -1; 1574e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1575e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1576da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel for primary user. 1577da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(primarydir, seinfo, uid, flags) < 0) { 1578da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", primarydir, strerror(errno)); 1579e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig ret |= -1; 1580e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1581e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1582da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&userdir, "%s%s", android_data_dir.path, SECONDARY_USER_PREFIX) < 0) { 1583da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1584da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1585e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1586e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1587da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel package directory for all secondary users. 1588da30dc7336f03ca629fe173db1425fdce989119cRobert Craig d = opendir(userdir); 1589da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (d == NULL) { 1590da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1591da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1592da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1593da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1594da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1595da30dc7336f03ca629fe173db1425fdce989119cRobert Craig while ((entry = readdir(d))) { 1596da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (entry->d_type != DT_DIR) { 1597da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1598da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1599da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1600da30dc7336f03ca629fe173db1425fdce989119cRobert Craig const char *user = entry->d_name; 1601da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Ignore "." and ".." 1602da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!strcmp(user, ".") || !strcmp(user, "..")) { 1603da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1604da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1605da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1606da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // user directories start with a number 1607da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (user[0] < '0' || user[0] > '9') { 1608da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Expecting numbered directory during restorecon. Instead got '%s'.", user); 1609da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1610da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1611da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1612da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&pkgdir, "%s%s/%s", userdir, user, pkgName) < 0) { 1613da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1614da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1615da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1616da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (stat(pkgdir, &s) < 0) { 1617da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1618da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1619da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1620da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1621da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(pkgdir, seinfo, uid, flags) < 0) { 1622da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", pkgdir, strerror(errno)); 1623da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ret |= -1; 1624da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1625da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1626da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1627da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1628da30dc7336f03ca629fe173db1425fdce989119cRobert Craig closedir(d); 1629da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1630da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1631e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return ret; 1632e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig} 16333aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 1634