commands.c revision 43c5d30795faf08ab639b8d88c2eceaf2b648c93
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" 2094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <diskusage/dirsize.h> 2194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <selinux/android.h> 2294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Directory records that are used in execution of commands. */ 2494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_data_dir; 2594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_asec_dir; 2694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_dir; 2794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_private_dir; 2894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_lib_dir; 2994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_media_dir; 3094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_array_t android_system_dirs; 3194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 324d3fd4e9988c0eb284dd5104c4dea757f723c716Robert Craigint install(const char *pkgname, uid_t uid, gid_t gid, const char *seinfo) 3394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 3494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 3594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 3794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 3894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 3994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 4194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 4594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 4694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, 0)) { 5094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 5594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 5694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 59a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 6094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 6194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 63a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 6494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 6594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 6694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 7094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 7194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 7294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 7394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 7594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 763aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 7794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for: %s", libsymlink); 7894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 7994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 8194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 8294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for: %s", libsymlink); 8394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 8494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8826288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 8994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 9094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 9194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 9294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 9394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 953a98389263ea0bf9656bcc6869855099194f498cStephen Smalley if (symlink(applibdir, libsymlink) < 0) { 963a98389263ea0bf9656bcc6869855099194f498cStephen Smalley ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, applibdir, 973a98389263ea0bf9656bcc6869855099194f498cStephen Smalley strerror(errno)); 983a98389263ea0bf9656bcc6869855099194f498cStephen Smalley unlink(pkgdir); 993a98389263ea0bf9656bcc6869855099194f498cStephen Smalley return -1; 1003a98389263ea0bf9656bcc6869855099194f498cStephen Smalley } 1013a98389263ea0bf9656bcc6869855099194f498cStephen Smalley 10294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 10394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 10494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 10594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 10694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 10794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 10894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 10994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 11094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 11194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 112abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint uninstall(const char *pkgname, userid_t userid) 11394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 11494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 11594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 116abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 11794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 11894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 119d93707342a61e66bc3eb2145628158452f577f42Dave Allison remove_profile_file(pkgname); 120d93707342a61e66bc3eb2145628158452f577f42Dave Allison 12194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents AND directory, no exceptions */ 12294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return delete_dir_contents(pkgdir, 1, NULL); 12394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 12494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 12594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint renamepkg(const char *oldpkgname, const char *newpkgname) 12694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 12794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char oldpkgdir[PKG_PATH_MAX]; 12894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char newpkgdir[PKG_PATH_MAX]; 12994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(oldpkgdir, oldpkgname, PKG_DIR_POSTFIX, 0)) 13194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(newpkgdir, newpkgname, PKG_DIR_POSTFIX, 0)) 13394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(oldpkgdir, newpkgdir) < 0) { 13694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot rename dir '%s' to '%s': %s\n", oldpkgdir, newpkgdir, strerror(errno)); 13794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 13894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 13994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 14094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 14194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint fix_uid(const char *pkgname, uid_t uid, gid_t gid) 14394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 14494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 14594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 14694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 14794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 14994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 15094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 15494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 15594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 15994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (s.st_uid != 0 || s.st_gid != 0) { 16192dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn ALOGE("fixing uid of non-root pkg: %s %" PRIu32 " %" PRIu32 "\n", pkgdir, s.st_uid, s.st_gid); 16294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 16394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 16494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0751) < 0) { 16694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 16794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 16894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 16994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 17194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 17294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 17394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 17494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 17694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 17794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 17894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1793aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamathstatic int lib_dir_matcher(const char* file_name, const int is_dir) { 1803aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return is_dir && !strcmp(file_name, "lib"); 1813aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath} 1823aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 183abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_user_data(const char *pkgname, userid_t userid) 18494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 18594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 187abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 18894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 18994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents, excluding "lib", but not the directory itself */ 1913aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return delete_dir_contents(pkgdir, 0, &lib_dir_matcher); 19294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 19394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 194e4e91c4ead821afb5aced2e33ee39d8878eb4d1eNick Kralevichint make_user_data(const char *pkgname, uid_t uid, userid_t userid, const char* seinfo) 19594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 19694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 19794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 19894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 19994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 20094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 20194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Create the data dir for the package 202abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) { 20394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 205abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userid)) { 20694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 20794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 20994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 21094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 21194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 21294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 21394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 214a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 21594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 21694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 21794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 218a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 21994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 22094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 22194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 22294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 22394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 22494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 22594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 22694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir for non-primary: %s\n", strerror(errno)); 22794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 22894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 22994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 23094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 23194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 2323aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 23394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for non-primary: %s", 23494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood libsymlink); 23594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 23694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 23794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 23894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 23994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 24094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for non-primary: %s", 24194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood libsymlink); 24294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 24394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 24494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 24826288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 24994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 25094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 25194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 25294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 25394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 25494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2553a98389263ea0bf9656bcc6869855099194f498cStephen Smalley if (symlink(applibdir, libsymlink) < 0) { 2563a98389263ea0bf9656bcc6869855099194f498cStephen Smalley ALOGE("couldn't symlink directory for non-primary '%s' -> '%s': %s\n", libsymlink, 2573a98389263ea0bf9656bcc6869855099194f498cStephen Smalley applibdir, strerror(errno)); 2583a98389263ea0bf9656bcc6869855099194f498cStephen Smalley unlink(pkgdir); 2593a98389263ea0bf9656bcc6869855099194f498cStephen Smalley return -1; 2603a98389263ea0bf9656bcc6869855099194f498cStephen Smalley } 2613a98389263ea0bf9656bcc6869855099194f498cStephen Smalley 26294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, uid) < 0) { 26394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 26494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 26594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 26694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 26794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 26894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 26994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 27094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 27194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2727c8bec01790087748ec7afa69a31789828b751f9Robin Leeint make_user_config(userid_t userid) 27394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 274095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if (ensure_config_user_dirs(userid) == -1) { 27594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 27694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 277095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 278095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return 0; 279095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee} 280095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 281095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Leeint delete_user(userid_t userid) 282095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee{ 283095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee int status = 0; 284095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 285095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee char data_path[PKG_PATH_MAX]; 286095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_path(data_path, userid) != 0) 287095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(data_path, 1, NULL) != 0)) { 288095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 28994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 29094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 29194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char media_path[PATH_MAX]; 292095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_media_path(media_path, userid) != 0) 293095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(media_path, 1, NULL) != 0)) { 294095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 29594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 296095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 297095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee char config_path[PATH_MAX]; 298095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_config_path(config_path, userid) != 0) 299095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(config_path, 1, NULL) != 0)) { 300095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 30194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 30294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 303095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return status; 30494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 30594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 306abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_cache(const char *pkgname, userid_t userid) 30794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 30894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char cachedir[PKG_PATH_MAX]; 30994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 310abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(cachedir, pkgname, CACHE_DIR_POSTFIX, userid)) 31194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 31294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 313c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey /* delete contents, not the directory, no exceptions */ 3143aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return delete_dir_contents(cachedir, 0, NULL); 31594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 31694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 317c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkeyint delete_code_cache(const char *pkgname, userid_t userid) 318c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey{ 319c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey char codecachedir[PKG_PATH_MAX]; 320c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 321c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey if (create_pkg_path(codecachedir, pkgname, CODE_CACHE_DIR_POSTFIX, userid)) 322c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey return -1; 323c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 324c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey /* delete contents, not the directory, no exceptions */ 325c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey return delete_dir_contents(codecachedir, 0, NULL); 326c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey} 327c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 32894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Try to ensure free_size bytes of storage are available. 32994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * Returns 0 on success. 33094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * This is rather simple-minded because doing a full LRU would 33194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * be potentially memory-intensive, and without atime it would 33294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * also require that apps constantly modify file metadata even 33394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * when just reading from the cache, which is pretty awful. 33494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 33594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint free_cache(int64_t free_size) 33694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 33794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache_t* cache; 33894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t avail; 33994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 34094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 34194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char tmpdir[PATH_MAX]; 34294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *dirpos; 34394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood avail = data_disk_free(); 34594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail < 0) return -1; 34694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGI("free_cache(%" PRId64 ") avail %" PRId64 "\n", free_size, avail); 34894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail >= free_size) return 0; 34994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache = start_cache_collection(); 35194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files for primary user. 353abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_user_path(tmpdir, 0) == 0) { 35494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 35594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 35694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 35794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Search for other users and add any cache files from them. 35994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood snprintf(tmpdir, sizeof(tmpdir), "%s%s", android_data_dir.path, 36094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood SECONDARY_USER_PREFIX); 36194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 36294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 36394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 36494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 36594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 36694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 36794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 36894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 36994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 37094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 37194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 37394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 37494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 37594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 37694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 37794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 37894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 38294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 38494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files on external storage for all users (if it is mounted as part 38594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // of the internal storage). 38694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(tmpdir, android_media_dir.path); 38794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 38894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 38994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 39094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 39194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 39294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 39394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* skip any dir that doesn't start with a number, so not a user */ 39494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] < '0' || name[0] > '9') { 39594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 39694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 39794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 39894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 39994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lookup_media_dir(tmpdir, "Android") == 0 40094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood && lookup_media_dir(tmpdir, "data") == 0) { 40194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 40294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 40394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 40594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 40694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 41094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 41194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood clear_cache_files(cache, free_size); 41394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood finish_cache_collection(cache); 41494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return data_disk_free() >= free_size ? 0 : -1; 41694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 41794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4181b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint move_dex(const char *src, const char *dst, const char *instruction_set) 41994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 42094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char src_dex[PKG_PATH_MAX]; 42194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dst_dex[PKG_PATH_MAX]; 42294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 42394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(src)) return -1; 42494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(dst)) return -1; 42594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4261b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(src_dex, src, instruction_set)) return -1; 4271b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dst_dex, dst, instruction_set)) return -1; 42894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 42994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("move %s -> %s\n", src_dex, dst_dex); 43094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(src_dex, dst_dex) < 0) { 43194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't move %s: %s\n", src_dex, strerror(errno)); 43294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 43394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 43494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 43594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 43694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 43794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4381b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint rm_dex(const char *path, const char *instruction_set) 43994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 44094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dex_path[PKG_PATH_MAX]; 44194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 44294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(path)) return -1; 4431b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dex_path, path, instruction_set)) return -1; 44494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 44594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("unlink %s\n", dex_path); 44694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(dex_path) < 0) { 44794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't unlink %s: %s\n", dex_path, strerror(errno)); 44894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 44994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 45094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 45194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 45294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 45394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 454abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint get_size(const char *pkgname, userid_t userid, const char *apkpath, 4558b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn const char *libdirpath, const char *fwdlock_apkpath, const char *asecpath, 4561b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char *instruction_set, int64_t *_codesize, int64_t *_datasize, 4571b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath int64_t *_cachesize, int64_t* _asecsize) 45894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 45994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 46094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd; 46194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 46294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 46394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char path[PKG_PATH_MAX]; 46494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 46594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t codesize = 0; 46694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t datasize = 0; 46794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t cachesize = 0; 46894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t asecsize = 0; 46994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 47094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the source apk as code -- but only if it's not 47194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * on the /system partition and its not on the sdcard. 47294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 47394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_system_app_path(apkpath) && 47494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strncmp(apkpath, android_asec_dir.path, android_asec_dir.len) != 0) { 47594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(apkpath, &s) == 0) { 47694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 47794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 47894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 47994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the forward locked apk as code if it is given 48094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 48194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fwdlock_apkpath != NULL && fwdlock_apkpath[0] != '!') { 48294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(fwdlock_apkpath, &s) == 0) { 48394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 48494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the cached dexfile as code */ 4871b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (!create_cache_path(path, apkpath, instruction_set)) { 48894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(path, &s) == 0) { 48994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 49094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 49394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* add in size of any libraries */ 4948b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn if (libdirpath != NULL && libdirpath[0] != '!') { 4958b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn d = opendir(libdirpath); 49694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 49794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 49894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += calculate_dir_size(dfd); 49994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 50094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 50394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* compute asec size if it is given 50494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 50594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (asecpath != NULL && asecpath[0] != '!') { 50694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(asecpath, &s) == 0) { 50794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood asecsize += stat_size(&s); 50894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 511abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(path, pkgname, PKG_DIR_POSTFIX, userid)) { 51294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 51394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 51594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(path); 51694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 51794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 51894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 52094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 52194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* most stuff in the pkgdir is data, except for the "cache" 52294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * directory and below, which is cache, and the "lib" directory 52394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * and below, which is code... 52494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 52594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 52694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 52794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 52894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 52994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int subfd; 53094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t statsize = 0; 53194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t dirsize = 0; 53294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 53394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 53494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 53594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 53694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 53894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood statsize = stat_size(&s); 53994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 54094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY); 54194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd >= 0) { 54294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirsize = calculate_dir_size(subfd); 54394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 54494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if(!strcmp(name,"lib")) { 54594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += dirsize + statsize; 54694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if(!strcmp(name,"cache")) { 54794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cachesize += dirsize + statsize; 54894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 54994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += dirsize + statsize; 55094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (de->d_type == DT_LNK && !strcmp(name,"lib")) { 55294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // This is the symbolic link to the application's library 55394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // code. We'll count this as code instead of data, since 55494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // it is not something that the app creates. 55594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 55694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 55794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 55994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 56094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += stat_size(&s); 56194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 56594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 56694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_codesize = codesize; 56794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_datasize = datasize; 56894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_cachesize = cachesize; 56994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_asecsize = asecsize; 57094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 57194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 57294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5731b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint create_cache_path(char path[PKG_PATH_MAX], const char *src, const char *instruction_set) 57494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 57594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *tmp; 57694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srclen; 57794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstlen; 57894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 57994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srclen = strlen(src); 58094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 58194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* demand that we are an absolute path */ 58294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((src == 0) || (src[0] != '/') || strstr(src,"..")) { 58394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 58494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 58694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX? 58794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 58894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 590d93707342a61e66bc3eb2145628158452f577f42Dave Allison dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) + 5911b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(instruction_set) + 5921b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(DALVIK_CACHE_POSTFIX) + 2; 593d93707342a61e66bc3eb2145628158452f577f42Dave Allison 59494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstlen > PKG_PATH_MAX) { 59594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 59694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 59794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5981b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(path,"%s%s/%s%s", 59994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_PREFIX, 6001b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath instruction_set, 60194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood src + 1, /* skip the leading / */ 60294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_POSTFIX); 603d93707342a61e66bc3eb2145628158452f577f42Dave Allison 6041b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath for(tmp = path + strlen(DALVIK_CACHE_PREFIX) + strlen(instruction_set) + 1; *tmp; tmp++) { 60594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (*tmp == '/') { 60694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *tmp = '@'; 60794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 60894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 60994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 61094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 61194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 61294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 61394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstatic void run_dexopt(int zip_fd, int odex_fd, const char* input_file_name, 6140ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom const char* output_file_name) 61594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 6160ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* platform-specific flags affecting optimization and verification */ 6170ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dexopt_flags[PROPERTY_VALUE_MAX]; 6180ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom property_get("dalvik.vm.dexopt-flags", dexopt_flags, ""); 6190ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dexopt-flags=%s\n", dexopt_flags); 6200ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 62194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const char* DEX_OPT_BIN = "/system/bin/dexopt"; 62294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 62394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char zip_num[MAX_INT_LEN]; 62494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char odex_num[MAX_INT_LEN]; 62594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 62694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(zip_num, "%d", zip_fd); 62794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(odex_num, "%d", odex_fd); 62894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6291705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX_OPT_BIN, input_file_name, output_file_name); 63094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood execl(DEX_OPT_BIN, DEX_OPT_BIN, "--zip", zip_num, odex_num, input_file_name, 63194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dexopt_flags, (char*) NULL); 63294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("execl(%s) failed: %s\n", DEX_OPT_BIN, strerror(errno)); 63394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 63494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 63543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Lightstatic void run_patchoat(int input_fd, int oat_fd, const char* input_file_name, 63643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* output_file_name, const char *pkgname, const char *instruction_set) 63743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light{ 63843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 63943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const unsigned int MAX_INSTRUCTION_SET_LEN = 32; 64043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 64143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const char* PATCHOAT_BIN = "/system/bin/patchoat"; 64243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 64343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Instruction set %s longer than max length of %d", 64443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light instruction_set, MAX_INSTRUCTION_SET_LEN); 64543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return; 64643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 64743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 64843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* input_file_name/input_fd should be the .odex/.oat file that is precompiled. I think*/ 64943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 65043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char output_oat_fd_arg[strlen("--output-oat-fd=") + MAX_INT_LEN]; 65143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char input_oat_fd_arg[strlen("--input-oat-fd=") + MAX_INT_LEN]; 65243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* patched_image_location_arg = "--patched-image-location=/system/framework/boot.art"; 65343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light // The caller has already gotten all the locks we need. 65443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* no_lock_arg = "--no-lock-output"; 65543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 65643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(output_oat_fd_arg, "--output-oat-fd=%d", oat_fd); 65743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(input_oat_fd_arg, "--input-oat-fd=%d", input_fd); 65843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Running %s isa=%s in-fd=%d (%s) out-fd=%d (%s)\n", 65943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light PATCHOAT_BIN, instruction_set, input_fd, input_file_name, oat_fd, output_file_name); 66043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 66143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* patchoat, patched-image-location, no-lock, isa, input-fd, output-fd */ 66243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char* argv[7]; 66343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[0] = (char*) PATCHOAT_BIN; 66443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[1] = (char*) patched_image_location_arg; 66543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[2] = (char*) no_lock_arg; 66643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[3] = instruction_set_arg; 66743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[4] = output_oat_fd_arg; 66843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[5] = input_oat_fd_arg; 66943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[6] = NULL; 67043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 67143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light execv(PATCHOAT_BIN, (char* const *)argv); 67243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("execv(%s) failed: %s\n", PATCHOAT_BIN, strerror(errno)); 67343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light} 67443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 6751705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstromstatic void run_dex2oat(int zip_fd, int oat_fd, const char* input_file_name, 6761b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char* output_file_name, const char *pkgname, const char *instruction_set) 6771705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom{ 678e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char prop_buf[PROPERTY_VALUE_MAX]; 679e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool profiler = (property_get("dalvik.vm.profiler", prop_buf, "0") > 0) && (prop_buf[0] == '1'); 680e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 681e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xms_flag[PROPERTY_VALUE_MAX]; 682e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool have_dex2oat_Xms_flag = property_get("dalvik.vm.dex2oat-Xms", dex2oat_Xms_flag, NULL) > 0; 683e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 684e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xmx_flag[PROPERTY_VALUE_MAX]; 685e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool have_dex2oat_Xmx_flag = property_get("dalvik.vm.dex2oat-Xmx", dex2oat_Xmx_flag, NULL) > 0; 686e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 6870ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dex2oat_flags[PROPERTY_VALUE_MAX]; 6884fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_dex2oat_flags = property_get("dalvik.vm.dex2oat-flags", dex2oat_flags, NULL) > 0; 6890ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dex2oat-flags=%s\n", dex2oat_flags); 6900ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 6911705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const char* DEX2OAT_BIN = "/system/bin/dex2oat"; 69253e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 69353e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom static const char* RUNTIME_ARG = "--runtime-arg"; 69453e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 6951705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 6961b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath static const unsigned int MAX_INSTRUCTION_SET_LEN = 32; 6971b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 6981b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 6991b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath ALOGE("Instruction set %s longer than max length of %d", 7001b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath instruction_set, MAX_INSTRUCTION_SET_LEN); 7011b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath return; 7021b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath } 7031b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 7041705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_fd_arg[strlen("--zip-fd=") + MAX_INT_LEN]; 7051705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX]; 7061705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN]; 7077195fcc2185c35b45a8f28c79fde4999b38850e8Brian Carlstrom char oat_location_arg[strlen("--oat-location=") + PKG_PATH_MAX]; 7081b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 7094fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle char profile_file_arg[strlen("--profile-file=") + PKG_PATH_MAX]; 7104fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle char top_k_profile_threshold_arg[strlen("--top-k-profile-threshold=") + PROPERTY_VALUE_MAX]; 711e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xms_arg[strlen("-Xms") + PROPERTY_VALUE_MAX]; 712e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xmx_arg[strlen("-Xmx") + PROPERTY_VALUE_MAX]; 7131705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 7141705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd); 7151705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_location_arg, "--zip-location=%s", input_file_name); 7161705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd); 7171705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_location_arg, "--oat-location=%s", output_file_name); 7181b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 71957c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle 7204fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_profile_file = false; 7214fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_top_k_profile_threshold = false; 72257c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle if (profiler && (strcmp(pkgname, "*") != 0)) { 72357c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle char profile_file[PKG_PATH_MAX]; 72457c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle snprintf(profile_file, sizeof(profile_file), "%s/%s", 725d93707342a61e66bc3eb2145628158452f577f42Dave Allison DALVIK_CACHE_PREFIX "profiles", pkgname); 72657c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle struct stat st; 7274fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if ((stat(profile_file, &st) == 0) && (st.st_size > 0)) { 72857c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle sprintf(profile_file_arg, "--profile-file=%s", profile_file); 7294fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle have_profile_file = true; 7304fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (property_get("dalvik.vm.profile.top-k-thr", prop_buf, NULL) > 0) { 7314fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle snprintf(top_k_profile_threshold_arg, sizeof(top_k_profile_threshold_arg), 7324fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle "--top-k-profile-threshold=%s", prop_buf); 7334fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle have_top_k_profile_threshold = true; 7344fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 73557c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle } 736d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 7371705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 738e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 739e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xms_arg, "-Xms%s", dex2oat_Xms_flag); 740e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 741e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 742e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xmx_arg, "-Xmx%s", dex2oat_Xmx_flag); 743e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 744e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 7451705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name); 7464fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 747e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char* argv[7 // program name, mandatory arguments and the final NULL 7484fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_profile_file ? 1 : 0) 7494fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_top_k_profile_threshold ? 1 : 0) 750e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom + (have_dex2oat_Xms_flag ? 2 : 0) 751e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom + (have_dex2oat_Xmx_flag ? 2 : 0) 7524fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_dex2oat_flags ? 1 : 0)]; 7534fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle int i = 0; 7544fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = (char*)DEX2OAT_BIN; 7554fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_fd_arg; 7564fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_location_arg; 7574fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_fd_arg; 7584fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_location_arg; 7594fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = instruction_set_arg; 7604fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_profile_file) { 7614fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = profile_file_arg; 7624fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 7634fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_top_k_profile_threshold) { 7644fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = top_k_profile_threshold_arg; 7654fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 766e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 767e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = (char*)RUNTIME_ARG; 768e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xms_arg; 769e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 770e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 771e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = (char*)RUNTIME_ARG; 772e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xmx_arg; 773e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 7744fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_dex2oat_flags) { 7754fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = dex2oat_flags; 7764fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 777e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom // Do not add after dex2oat_flags, they should override others for debugging. 7784fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i] = NULL; 7794fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 7804fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle execv(DEX2OAT_BIN, (char* const *)argv); 7811705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("execl(%s) failed: %s\n", DEX2OAT_BIN, strerror(errno)); 7821705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom} 7831705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 78463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int wait_child(pid_t pid) 78594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 78694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int status; 78794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t got_pid; 78894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 78994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 79094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood got_pid = waitpid(pid, &status, 0); 79194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid == -1 && errno == EINTR) { 79294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood printf("waitpid interrupted, retrying\n"); 79394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 79494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 79594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 79694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 79794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid != pid) { 79894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("waitpid failed: wanted %d, got %d: %s\n", 79994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (int) pid, (int) got_pid, strerror(errno)); 80094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 80194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 80294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 80394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { 80494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 80594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 80694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return status; /* always nonzero */ 80794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 80894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 80994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 810d93707342a61e66bc3eb2145628158452f577f42Dave Allisonint dexopt(const char *apk_path, uid_t uid, int is_public, 81143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *pkgname, const char *instruction_set, 81243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light int is_patchoat) 81394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 81494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct utimbuf ut; 81543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light struct stat input_stat, dex_stat; 8161705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char out_path[PKG_PATH_MAX]; 817e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom char persist_sys_dalvik_vm_lib[PROPERTY_VALUE_MAX]; 81894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *end; 81943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *input_file; 82043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char in_odex_path[PKG_PATH_MAX]; 82143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light int res, input_fd=-1, out_fd=-1; 82294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 82394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(apk_path) >= (PKG_PATH_MAX - 8)) { 82494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 82594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 82694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8270ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* The command to run depend on the value of persist.sys.dalvik.vm.lib */ 828856bc78efcda3d1584ba7d6f8f4b041d5f640de0Brian Carlstrom property_get("persist.sys.dalvik.vm.lib.2", persist_sys_dalvik_vm_lib, "libart.so"); 8291705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 83043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat && strncmp(persist_sys_dalvik_vm_lib, "libart", 6) != 0) { 83143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* We may only patch if we are libart */ 83243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Patching is only supported in libart\n"); 83343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 83443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 83543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 8361705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom /* Before anything else: is there a .odex file? If so, we have 8371705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom * precompiled the apk and there is nothing to do here. 83843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light * 83943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light * We skip this if we are doing a patchoat. 8401705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom */ 8410e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(out_path, apk_path); 8420e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang end = strrchr(out_path, '.'); 84343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end != NULL && !is_patchoat) { 8440e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(end, ".odex"); 8450e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang if (stat(out_path, &dex_stat) == 0) { 8460e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang return 0; 8470e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang } 84894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 84994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8501b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(out_path, apk_path, instruction_set)) { 85194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 85294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 85394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 85443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat) { 85543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* /system/framework/whatever.jar -> /system/framework/<isa>/whatever.odex */ 85643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(in_odex_path, apk_path); 85743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light end = strrchr(in_odex_path, '/'); 85843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end == NULL) { 85943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("apk_path '%s' has no '/'s in it?!\n", apk_path); 86043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 86143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 86243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *apk_end = apk_path + (end - in_odex_path); // strrchr(apk_path, '/'); 86343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(end + 1, instruction_set); // in_odex_path now is /system/framework/<isa>\0 86443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcat(in_odex_path, apk_end); 86543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light end = strrchr(in_odex_path, '.'); 86643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end == NULL) { 86743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 86843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 86943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(end + 1, "odex"); 87043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_file = in_odex_path; 87143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } else { 87243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_file = apk_path; 87343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 87443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 87543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light memset(&input_stat, 0, sizeof(input_stat)); 87643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light stat(input_file, &input_stat); 87794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 87843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_fd = open(input_file, O_RDONLY, 0); 87943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (input_fd < 0) { 88043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("installd cannot open '%s' for input during dexopt\n", input_file); 88194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 88294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 88394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8841705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 8851705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom out_fd = open(out_path, O_RDWR | O_CREAT | O_EXCL, 0644); 8861705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd < 0) { 8871705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot open '%s' for output during dexopt\n", out_path); 88894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 88994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8901705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchmod(out_fd, 89194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood S_IRUSR|S_IWUSR|S_IRGRP | 89294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (is_public ? S_IROTH : 0)) < 0) { 8931705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chmod '%s' during dexopt\n", out_path); 89494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 89594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8961705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchown(out_fd, AID_SYSTEM, uid) < 0) { 8971705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chown '%s' during dexopt\n", out_path); 89894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 89994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 90094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 901d93707342a61e66bc3eb2145628158452f577f42Dave Allison // Create profile file if there is a package name present. 902d93707342a61e66bc3eb2145628158452f577f42Dave Allison if (strcmp(pkgname, "*") != 0) { 903d93707342a61e66bc3eb2145628158452f577f42Dave Allison create_profile_file(pkgname, uid); 904d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 905d93707342a61e66bc3eb2145628158452f577f42Dave Allison 906d93707342a61e66bc3eb2145628158452f577f42Dave Allison 90743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGV("DexInv: --- BEGIN '%s' ---\n", input_file); 90894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 90994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid; 91094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid = fork(); 91194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (pid == 0) { 91294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* child -- drop privileges before continuing */ 91394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setgid(uid) != 0) { 9141705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setgid(%d) failed in installd during dexopt\n", uid); 91594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(64); 91694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 91794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setuid(uid) != 0) { 9181705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setuid(%d) failed in installd during dexopt\n", uid); 91994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(65); 92094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 92194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // drop capabilities 92294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_header_struct capheader; 92394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_data_struct capdata[2]; 92494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capheader, 0, sizeof(capheader)); 92594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capdata, 0, sizeof(capdata)); 92694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood capheader.version = _LINUX_CAPABILITY_VERSION_3; 92794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (capset(&capheader, &capdata[0]) < 0) { 92894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("capset failed: %s\n", strerror(errno)); 92994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(66); 93094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9311705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) { 9321705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno)); 93394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(67); 93494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 93594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 936e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom if (strncmp(persist_sys_dalvik_vm_lib, "libdvm", 6) == 0) { 93743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_dexopt(input_fd, out_fd, input_file, out_path); 938e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom } else if (strncmp(persist_sys_dalvik_vm_lib, "libart", 6) == 0) { 93943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat) { 94043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_patchoat(input_fd, out_fd, input_file, out_path, pkgname, instruction_set); 94143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } else { 94243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_dex2oat(input_fd, out_fd, input_file, out_path, pkgname, instruction_set); 94343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 9441705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } else { 945e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom exit(69); /* Unexpected persist.sys.dalvik.vm.lib value */ 9461705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } 94794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(68); /* only get here on exec failure */ 94894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 94963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad res = wait_child(pid); 95063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (res == 0) { 95143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGV("DexInv: --- END '%s' (success) ---\n", input_file); 95263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 95343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("DexInv: --- END '%s' --- status=0x%04x, process failed\n", input_file, res); 95494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 95594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 95694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 95794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 95843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ut.actime = input_stat.st_atime; 95943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ut.modtime = input_stat.st_mtime; 9601705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom utime(out_path, &ut); 9611705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 9621705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 96343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light close(input_fd); 96494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 96594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 96694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodfail: 9671705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd >= 0) { 9681705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 9691705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 97094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 97143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (input_fd >= 0) { 97243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light close(input_fd); 97394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 97494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 97594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 97694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 97794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid mkinnerdirs(char* path, int basepos, mode_t mode, int uid, int gid, 97894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat* statbuf) 97994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 98094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (path[basepos] != 0) { 98194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (path[basepos] == '/') { 98294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = 0; 98394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(path, statbuf) < 0) { 98494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Making directory: %s\n", path); 98594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (mkdir(path, mode) == 0) { 98694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood chown(path, uid, gid); 98794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 98894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to make directory %s: %s\n", path, strerror(errno)); 98994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = '/'; 99294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 99394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 99594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 99794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 99894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefileordir(char* srcpath, char* dstpath, int dstbasepos, 99994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid, int dstgid, struct stat* statbuf) 100094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 100194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 100294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 100394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int res; 100494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 100594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srcend = strlen(srcpath); 100694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstend = strlen(dstpath); 1007d93707342a61e66bc3eb2145628158452f577f42Dave Allison 100894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, statbuf) < 0) { 100994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to stat %s: %s\n", srcpath, strerror(errno)); 101094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 101194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1012d93707342a61e66bc3eb2145628158452f577f42Dave Allison 101394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((statbuf->st_mode&S_IFDIR) == 0) { 101494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood mkinnerdirs(dstpath, dstbasepos, S_IRWXU|S_IRWXG|S_IXOTH, 101594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, statbuf); 101694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Renaming %s to %s (uid %d)\n", srcpath, dstpath, dstuid); 101794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(srcpath, dstpath) >= 0) { 101894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(dstpath, dstuid, dstgid) < 0) { 101994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown %s: %s\n", dstpath, strerror(errno)); 102094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(dstpath); 102194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 102294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 102394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 102494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to rename %s to %s: %s\n", 102594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath, dstpath, strerror(errno)); 102694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 102794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 102894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 102994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 103194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(srcpath); 103294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 103394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to opendir %s: %s\n", srcpath, strerror(errno)); 103494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 103594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 103794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 0; 1038d93707342a61e66bc3eb2145628158452f577f42Dave Allison 103994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 104094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 104194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 104294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 104394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 104494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 104594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1046d93707342a61e66bc3eb2145628158452f577f42Dave Allison 104794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((srcend+strlen(name)) >= (PKG_PATH_MAX-2)) { 104894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Source path too long; skipping: %s/%s\n", srcpath, name); 104994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 105094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1051d93707342a61e66bc3eb2145628158452f577f42Dave Allison 105294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((dstend+strlen(name)) >= (PKG_PATH_MAX-2)) { 105394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Destination path too long; skipping: %s/%s\n", dstpath, name); 105494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 105594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1056d93707342a61e66bc3eb2145628158452f577f42Dave Allison 105794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = '/'; 105894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpath+srcend+1, name); 105994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpath+dstend+1, name); 1060d93707342a61e66bc3eb2145628158452f577f42Dave Allison 106194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (movefileordir(srcpath, dstpath, dstbasepos, dstuid, dstgid, statbuf) != 0) { 106294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 1; 106394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1064d93707342a61e66bc3eb2145628158452f577f42Dave Allison 106594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Note: we will be leaving empty directories behind in srcpath, 106694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // but that is okay, the package manager will be erasing all of the 106794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // data associated with .apks that disappear. 1068d93707342a61e66bc3eb2145628158452f577f42Dave Allison 106994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = 0; 107094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1071d93707342a61e66bc3eb2145628158452f577f42Dave Allison 107294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 107394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return res; 107494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 107594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 107694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefiles() 107794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 107894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 107994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd, subfd; 108094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 108194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 108294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char buf[PKG_PATH_MAX+1]; 108394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int bufp, bufe, bufi, readlen; 108494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 108594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpkg[PKG_NAME_MAX]; 108694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpkg[PKG_NAME_MAX]; 108794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpath[PKG_PATH_MAX]; 108894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpath[PKG_PATH_MAX]; 108994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid=-1, dstgid=-1; 109094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int hasspace; 109194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 109294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(UPDATE_COMMANDS_DIR_PREFIX); 109394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 109494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 109594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 109694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 109794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 109894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* Iterate through all files in the directory, executing the 109994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * file movements requested there-in. 110094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 110194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 110294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 110394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 110494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 110594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 110694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 110794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY); 110894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd < 0) { 110994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to open update commands at %s%s\n", 111094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name); 111194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 111294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1113d93707342a61e66bc3eb2145628158452f577f42Dave Allison 111494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 111594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe = 0; 111694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[PKG_PATH_MAX] = 0; 111794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 111894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 111994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi = bufp; 112094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufi < bufe && buf[bufi] != '\n') { 112194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi++; 112294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 112394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufi < bufe) { 112494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufi] = 0; 112594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Processing line: %s\n", buf+bufp); 112694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 0; 112794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufp < bufi && isspace(buf[bufp])) { 112894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 1; 112994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp++; 113094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 113194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (buf[bufp] == '#' || bufp == bufi) { 113294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // skip comments and empty lines. 113394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (hasspace) { 113494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstpkg[0] == 0) { 113594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path before package line in %s%s: %s\n", 113694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 113794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (srcpkg[0] == 0) { 113894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Skip -- source package no longer exists. 113994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 114094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Move file: %s (from %s to %s)\n", buf+bufp, srcpkg, dstpkg); 114194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_move_path(srcpath, srcpkg, buf+bufp, 0) && 114294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood !create_move_path(dstpath, dstpkg, buf+bufp, 0)) { 114394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood movefileordir(srcpath, dstpath, 114494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strlen(dstpath)-strlen(buf+bufp), 114594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, &s); 114694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 114794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 114894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 114994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char* div = strchr(buf+bufp, ':'); 115094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (div == NULL) { 115194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Bad package spec in %s%s; no ':' sep: %s\n", 115294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 115394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 115494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *div = 0; 115594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div++; 115694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(buf+bufp) < PKG_NAME_MAX) { 115794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpkg, buf+bufp); 115894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 115994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 116094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 116194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 116294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 116394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(div) < PKG_NAME_MAX) { 116494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpkg, div); 116594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 116694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 116794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 116894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, div); 116994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 117094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 117194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(srcpath, srcpkg, PKG_DIR_POSTFIX, 0)) { 117294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, &s) < 0) { 117394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Package no longer exists -- skip. 117494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 117594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 117694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 117794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 117894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 117994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 118094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 118194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 118294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(dstpath, dstpkg, PKG_DIR_POSTFIX, 0)) { 118394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(dstpath, &s) == 0) { 118494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid = s.st_uid; 118594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstgid = s.st_gid; 118694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 118794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Destination package doesn't 118894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // exist... due to original-package, 118994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // this is normal, so don't be 119094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // noisy about it. 119194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 119294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 119394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 119494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 119594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 119694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 119794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 119894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 119994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Transfering from %s to %s: uid=%d\n", 120094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg, dstpkg, dstuid); 120194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 120294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 120394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 120494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = bufi+1; 120594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 120694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp == 0) { 120794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp < bufe) { 120894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Line too long in %s%s, skipping: %s\n", 120994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf); 121094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 121194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (bufp < bufe) { 121294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memcpy(buf, buf+bufp, bufe-bufp); 121394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe -= bufp; 121494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 121594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 121694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood readlen = read(subfd, buf+bufe, PKG_PATH_MAX-bufe); 121794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (readlen < 0) { 121894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Failure reading update commands in %s%s: %s\n", 121994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, strerror(errno)); 122094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 122194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (readlen == 0) { 122294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 122394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 122494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe += readlen; 122594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufe] = 0; 122694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Read buf: %s\n", buf); 122794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 122894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 122994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood close(subfd); 123094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 123194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 123294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 123394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 123494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 123594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 123694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 123794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint linklib(const char* pkgname, const char* asecLibDir, int userId) 123894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 123994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 124094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 124194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s, libStat; 124294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 124394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 124494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userId)) { 124594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 124694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 124794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 124894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userId)) { 124994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 125094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 125194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 125294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 125394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 125494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 125594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, AID_INSTALL, AID_INSTALL) < 0) { 125694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s': %s\n", pkgdir, strerror(errno)); 125794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 125894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 125994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 126094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0700) < 0) { 126194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 1: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 126294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 126394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 126494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 126594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 126694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 126794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 126894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 126994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 127094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 127194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 127294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 127394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 12743aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 127594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 127694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 127794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 127894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 127994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 128094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib dir: %s\n", strerror(errno)); 128194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 128294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 128394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 128494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 128594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 128694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 128794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(asecLibDir, libsymlink) < 0) { 128894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, asecLibDir, 128994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strerror(errno)); 129094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 129194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 129294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 129394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 129494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodout: 129594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, s.st_mode) < 0) { 129694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 2: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 129794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 129894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 129994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 130094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, s.st_uid, s.st_gid) < 0) { 130194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s' : %s\n", pkgdir, strerror(errno)); 130294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 130394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 130494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 130594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return rc; 130694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 130763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 130863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic void run_idmap(const char *target_apk, const char *overlay_apk, int idmap_fd) 130963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 131063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const char *IDMAP_BIN = "/system/bin/idmap"; 131163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const size_t MAX_INT_LEN = 32; 131263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_str[MAX_INT_LEN]; 131363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 131463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_str, sizeof(idmap_str), "%d", idmap_fd); 131563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 131663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad execl(IDMAP_BIN, IDMAP_BIN, "--fd", target_apk, overlay_apk, idmap_str, (char*)NULL); 131763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("execl(%s) failed: %s\n", IDMAP_BIN, strerror(errno)); 131863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 131963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 132063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// Transform string /a/b/c.apk to (prefix)/a@b@c.apk@(suffix) 132163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// eg /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap 132263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int flatten_path(const char *prefix, const char *suffix, 132363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const char *overlay_path, char *idmap_path, size_t N) 132463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 132563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (overlay_path == NULL || idmap_path == NULL) { 132663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 132763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 132863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_overlay_path = strlen(overlay_path); 132963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // will access overlay_path + 1 further below; requires absolute path 133063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (len_overlay_path < 2 || *overlay_path != '/') { 133163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 133263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 133363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_idmap_root = strlen(prefix); 133463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_suffix = strlen(suffix); 133563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (SIZE_MAX - len_idmap_root < len_overlay_path || 133663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad SIZE_MAX - (len_idmap_root + len_overlay_path) < len_suffix) { 133763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // additions below would cause overflow 133863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 133963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 134063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (N < len_idmap_root + len_overlay_path + len_suffix) { 134163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 134263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 134363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad memset(idmap_path, 0, N); 134463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_path, N, "%s%s%s", prefix, overlay_path + 1, suffix); 134563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char *ch = idmap_path + len_idmap_root; 134663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad while (*ch != '\0') { 134763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (*ch == '/') { 134863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad *ch = '@'; 134963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 135063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ++ch; 135163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 135263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 135363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 135463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 135563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadint idmap(const char *target_apk, const char *overlay_apk, uid_t uid) 135663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 135763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGV("idmap target_apk=%s overlay_apk=%s uid=%d\n", target_apk, overlay_apk, uid); 135863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 135963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int idmap_fd = -1; 136063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_path[PATH_MAX]; 136163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 136263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flatten_path(IDMAP_PREFIX, IDMAP_SUFFIX, overlay_apk, 136363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_path, sizeof(idmap_path)) == -1) { 136463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot generate idmap path for overlay %s\n", overlay_apk); 136563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 136663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 136763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 136863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 136963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_fd = open(idmap_path, O_RDWR | O_CREAT | O_EXCL, 0644); 137063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd < 0) { 137163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot open '%s' for output: %s\n", idmap_path, strerror(errno)); 137263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 137363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 137463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchown(idmap_fd, AID_SYSTEM, uid) < 0) { 137563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chown '%s'\n", idmap_path); 137663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 137763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 137863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchmod(idmap_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0) { 137963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chmod '%s'\n", idmap_path); 138063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 138163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 138263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 138363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid_t pid; 138463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid = fork(); 138563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (pid == 0) { 138663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad /* child -- drop privileges before continuing */ 138763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setgid(uid) != 0) { 138863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setgid(%d) failed during idmap\n", uid); 138963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 139063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 139163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setuid(uid) != 0) { 139263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setuid(%d) failed during idmap\n", uid); 139363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 139463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 139563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flock(idmap_fd, LOCK_EX | LOCK_NB) != 0) { 139663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("flock(%s) failed during idmap: %s\n", idmap_path, strerror(errno)); 139763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 139863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 139963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 140063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad run_idmap(target_apk, overlay_apk, idmap_fd); 140163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); /* only if exec call to idmap failed */ 140263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 140363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int status = wait_child(pid); 140463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (status != 0) { 140563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap failed, status=0x%04x\n", status); 140663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 140763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 140863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 140963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 141063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 141163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 141263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadfail: 141363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd >= 0) { 141463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 141563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 141663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 141763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 141863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 1419e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1420da30dc7336f03ca629fe173db1425fdce989119cRobert Craigint restorecon_data(const char* pkgName, const char* seinfo, uid_t uid) 1421e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig{ 1422da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct dirent *entry; 1423da30dc7336f03ca629fe173db1425fdce989119cRobert Craig DIR *d; 1424da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct stat s; 1425da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *userdir; 1426da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *primarydir; 1427da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *pkgdir; 1428da30dc7336f03ca629fe173db1425fdce989119cRobert Craig int ret = 0; 1429e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1430da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // SELINUX_ANDROID_RESTORECON_DATADATA flag is set by libselinux. Not needed here. 1431da30dc7336f03ca629fe173db1425fdce989119cRobert Craig unsigned int flags = SELINUX_ANDROID_RESTORECON_RECURSE; 1432e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1433da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!pkgName || !seinfo) { 1434da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Package name or seinfo tag is null when trying to restorecon."); 1435da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1436da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1437e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1438da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&primarydir, "%s%s%s", android_data_dir.path, PRIMARY_USER_PREFIX, pkgName) < 0) { 1439e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return -1; 1440e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1441e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1442da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel for primary user. 1443da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(primarydir, seinfo, uid, flags) < 0) { 1444da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", primarydir, strerror(errno)); 1445e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig ret |= -1; 1446e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1447e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1448da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&userdir, "%s%s", android_data_dir.path, SECONDARY_USER_PREFIX) < 0) { 1449da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1450da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1451e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1452e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1453da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel package directory for all secondary users. 1454da30dc7336f03ca629fe173db1425fdce989119cRobert Craig d = opendir(userdir); 1455da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (d == NULL) { 1456da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1457da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1458da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1459da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1460da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1461da30dc7336f03ca629fe173db1425fdce989119cRobert Craig while ((entry = readdir(d))) { 1462da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (entry->d_type != DT_DIR) { 1463da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1464da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1465da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1466da30dc7336f03ca629fe173db1425fdce989119cRobert Craig const char *user = entry->d_name; 1467da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Ignore "." and ".." 1468da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!strcmp(user, ".") || !strcmp(user, "..")) { 1469da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1470da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1471da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1472da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // user directories start with a number 1473da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (user[0] < '0' || user[0] > '9') { 1474da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Expecting numbered directory during restorecon. Instead got '%s'.", user); 1475da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1476da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1477da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1478da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&pkgdir, "%s%s/%s", userdir, user, pkgName) < 0) { 1479da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1480da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1481da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1482da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (stat(pkgdir, &s) < 0) { 1483da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1484da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1485da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1486da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1487da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(pkgdir, seinfo, uid, flags) < 0) { 1488da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", pkgdir, strerror(errno)); 1489da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ret |= -1; 1490da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1491da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1492da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1493da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1494da30dc7336f03ca629fe173db1425fdce989119cRobert Craig closedir(d); 1495da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1496da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1497e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return ret; 1498e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig} 14993aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15003aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamathstatic int prune_dex_exclusion_predicate(const char *file_name, const int is_dir) 15013aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath{ 15021e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // Exclude all directories. The top level command will be 15031e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // given a list of ISA specific directories that are assumed 15041e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // to be flat. 15053aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (is_dir) { 15061e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return 1; 15073aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath } 15083aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15093aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15103aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // Don't exclude regular files that start with the list 15113aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // of prefixes. 15123aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath static const char data_app_prefix[] = "data@app@"; 15133aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath static const char data_priv_app_prefix[] = "data@priv-app@"; 15143aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (!strncmp(file_name, data_app_prefix, sizeof(data_app_prefix) - 1) || 15153aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath !strncmp(file_name, data_priv_app_prefix, sizeof(data_priv_app_prefix) - 1)) { 15163aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return 0; 15173aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath } 15183aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15193aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // Exclude all regular files that don't start with the prefix "data@app@" or 15203aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // "data@priv-app@". 15213aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return 1; 15223aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath} 15233aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15241e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamathint prune_dex_cache(const char* subdir) { 15251e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // "." is handled as a special case, and refers to 15261e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // DALVIK_CACHE_PREFIX (usually /data/dalvik-cache). 15271e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath const bool is_dalvik_cache_root = !strcmp(subdir, "."); 15281e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15291e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // Don't allow the path to contain "." or ".." except for the 15301e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // special case above. This is much stricter than we need to be, 15311e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // but there's no good reason to support them. 15321e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath if (strchr(subdir, '.' ) != NULL && !is_dalvik_cache_root) { 15331e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return -1; 15341e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath } 15351e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15361e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath if (!is_dalvik_cache_root) { 15371e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath char full_path[PKG_PATH_MAX]; 15381e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath snprintf(full_path, sizeof(full_path), "%s%s", DALVIK_CACHE_PREFIX, subdir); 15391e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return delete_dir_contents(full_path, 0, &prune_dex_exclusion_predicate); 15401e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath } 15411e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15421e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15431e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // When subdir == ".", clean the contents of the top level 15441e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // dalvik-cache directory. 15451e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return delete_dir_contents(DALVIK_CACHE_PREFIX, 0, &prune_dex_exclusion_predicate); 15463aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath} 1547