commands.c revision 3316fe472fd68377eba9983c43dfce4281209103
194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* 294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Copyright 2008, The Android Open Source Project 394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 4d93707342a61e66bc3eb2145628158452f577f42Dave Allison** Licensed under the Apache License, Version 2.0 (the "License"); 5d93707342a61e66bc3eb2145628158452f577f42Dave Allison** you may not use this file except in compliance with the License. 6d93707342a61e66bc3eb2145628158452f577f42Dave Allison** You may obtain a copy of the License at 794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 8d93707342a61e66bc3eb2145628158452f577f42Dave Allison** http://www.apache.org/licenses/LICENSE-2.0 994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 10d93707342a61e66bc3eb2145628158452f577f42Dave Allison** Unless required by applicable law or agreed to in writing, software 11d93707342a61e66bc3eb2145628158452f577f42Dave Allison** distributed under the License is distributed on an "AS IS" BASIS, 12d93707342a61e66bc3eb2145628158452f577f42Dave Allison** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d93707342a61e66bc3eb2145628158452f577f42Dave Allison** See the License for the specific language governing permissions and 1494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** limitations under the License. 1594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood*/ 1694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1792dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn#include <inttypes.h> 18d747129e1e8876f5a50f47156ec50b6969a638e4Nick Kralevich#include <sys/capability.h> 1994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include "installd.h" 203b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom#include <cutils/sched_policy.h> 2194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <diskusage/dirsize.h> 2294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <selinux/android.h> 2394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Directory records that are used in execution of commands. */ 2594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_data_dir; 2694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_asec_dir; 2794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_dir; 2894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_private_dir; 2994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_lib_dir; 3094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_media_dir; 3194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_array_t android_system_dirs; 3294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 334d3fd4e9988c0eb284dd5104c4dea757f723c716Robert Craigint install(const char *pkgname, uid_t uid, gid_t gid, const char *seinfo) 3494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 3594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 3794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 3894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 3994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 4194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 4294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 4694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 4794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, 0)) { 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 5294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 5694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 5794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 60a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 6194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 6294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 64a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 6594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 6694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 6794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 7094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 7194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 7294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 7394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 7494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 7694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 773aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 7894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for: %s", libsymlink); 7994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 8094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 8294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 8394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for: %s", libsymlink); 8494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8926288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 9094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 9194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 9294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 9394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 9494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 963a98389263ea0bf9656bcc6869855099194f498cStephen Smalley if (symlink(applibdir, libsymlink) < 0) { 973a98389263ea0bf9656bcc6869855099194f498cStephen Smalley ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, applibdir, 983a98389263ea0bf9656bcc6869855099194f498cStephen Smalley strerror(errno)); 993a98389263ea0bf9656bcc6869855099194f498cStephen Smalley unlink(pkgdir); 1003a98389263ea0bf9656bcc6869855099194f498cStephen Smalley return -1; 1013a98389263ea0bf9656bcc6869855099194f498cStephen Smalley } 1023a98389263ea0bf9656bcc6869855099194f498cStephen Smalley 10394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 10494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 10594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 10694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 10794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 10894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 10994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 11094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 11194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 11294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint uninstall(const char *pkgname, userid_t userid) 11494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 11594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 11694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 117abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 11894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 11994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 120d93707342a61e66bc3eb2145628158452f577f42Dave Allison remove_profile_file(pkgname); 121d93707342a61e66bc3eb2145628158452f577f42Dave Allison 12294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents AND directory, no exceptions */ 12394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return delete_dir_contents(pkgdir, 1, NULL); 12494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 12594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 12694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint renamepkg(const char *oldpkgname, const char *newpkgname) 12794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 12894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char oldpkgdir[PKG_PATH_MAX]; 12994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char newpkgdir[PKG_PATH_MAX]; 13094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(oldpkgdir, oldpkgname, PKG_DIR_POSTFIX, 0)) 13294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(newpkgdir, newpkgname, PKG_DIR_POSTFIX, 0)) 13494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(oldpkgdir, newpkgdir) < 0) { 13794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot rename dir '%s' to '%s': %s\n", oldpkgdir, newpkgdir, strerror(errno)); 13894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 13994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 14094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 14194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 14294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint fix_uid(const char *pkgname, uid_t uid, gid_t gid) 14494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 14594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 14694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 14794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 14894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 15094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 15194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 15594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 15694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 16094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (s.st_uid != 0 || s.st_gid != 0) { 16292dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn ALOGE("fixing uid of non-root pkg: %s %" PRIu32 " %" PRIu32 "\n", pkgdir, s.st_uid, s.st_gid); 16394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 16494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 16594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0751) < 0) { 16794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 16894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 16994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 17094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 17294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 17394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 17494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 17794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 17894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 17994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 180abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_user_data(const char *pkgname, userid_t userid) 18194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 18294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 18394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 184abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 18594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1873316fe472fd68377eba9983c43dfce4281209103Jeff Sharkey return delete_dir_contents(pkgdir, 0, NULL); 18894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 18994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 190e4e91c4ead821afb5aced2e33ee39d8878eb4d1eNick Kralevichint make_user_data(const char *pkgname, uid_t uid, userid_t userid, const char* seinfo) 19194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 19294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 19394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 19494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 19594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 19694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Create the data dir for the package 198abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) { 19994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 201abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userid)) { 20294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 20394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 20594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 20694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 20794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 20894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 20994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 210a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 21194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 21294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 21394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 214a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 21594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 21694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 21794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 21894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 21994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 22094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 22194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 22294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir for non-primary: %s\n", strerror(errno)); 22394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 22494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 22594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 22694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 22794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 2283aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 22994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for non-primary: %s", 23094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood libsymlink); 23194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 23294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 23394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 23494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 23594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 23694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for non-primary: %s", 23794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood libsymlink); 23894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 23994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 24094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 24394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 24426288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 24594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 24694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 24794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 24894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 24994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 25094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2513a98389263ea0bf9656bcc6869855099194f498cStephen Smalley if (symlink(applibdir, libsymlink) < 0) { 2523a98389263ea0bf9656bcc6869855099194f498cStephen Smalley ALOGE("couldn't symlink directory for non-primary '%s' -> '%s': %s\n", libsymlink, 2533a98389263ea0bf9656bcc6869855099194f498cStephen Smalley applibdir, strerror(errno)); 2543a98389263ea0bf9656bcc6869855099194f498cStephen Smalley unlink(pkgdir); 2553a98389263ea0bf9656bcc6869855099194f498cStephen Smalley return -1; 2563a98389263ea0bf9656bcc6869855099194f498cStephen Smalley } 2573a98389263ea0bf9656bcc6869855099194f498cStephen Smalley 25894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, uid) < 0) { 25994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 26094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 26194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 26294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 26394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 26494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 26594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 26694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 26794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2687c8bec01790087748ec7afa69a31789828b751f9Robin Leeint make_user_config(userid_t userid) 26994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 270095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if (ensure_config_user_dirs(userid) == -1) { 27194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 27294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 273095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 274095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return 0; 275095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee} 276095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 277095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Leeint delete_user(userid_t userid) 278095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee{ 279095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee int status = 0; 280095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 281095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee char data_path[PKG_PATH_MAX]; 282095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_path(data_path, userid) != 0) 283095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(data_path, 1, NULL) != 0)) { 284095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 28594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 28694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 28794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char media_path[PATH_MAX]; 288095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_media_path(media_path, userid) != 0) 289095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(media_path, 1, NULL) != 0)) { 290095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 29194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 292095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee 293095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee char config_path[PATH_MAX]; 294095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee if ((create_user_config_path(config_path, userid) != 0) 295095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee || (delete_dir_contents(config_path, 1, NULL) != 0)) { 296095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee status = -1; 29794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 29894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 299095c763dd9aa26a206d10ab7c1d7e1c569298fb3Robin Lee return status; 30094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 30194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 302abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_cache(const char *pkgname, userid_t userid) 30394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 30494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char cachedir[PKG_PATH_MAX]; 30594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 306abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(cachedir, pkgname, CACHE_DIR_POSTFIX, userid)) 30794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 30894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 309c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey /* delete contents, not the directory, no exceptions */ 3103aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return delete_dir_contents(cachedir, 0, NULL); 31194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 31294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 313c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkeyint delete_code_cache(const char *pkgname, userid_t userid) 314c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey{ 315c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey char codecachedir[PKG_PATH_MAX]; 316c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 317c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey if (create_pkg_path(codecachedir, pkgname, CODE_CACHE_DIR_POSTFIX, userid)) 318c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey return -1; 319c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 320c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey /* delete contents, not the directory, no exceptions */ 321c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey return delete_dir_contents(codecachedir, 0, NULL); 322c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey} 323c796b681e52fbb792da9a5b4f30e935cc927c1d7Jeff Sharkey 32494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Try to ensure free_size bytes of storage are available. 32594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * Returns 0 on success. 32694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * This is rather simple-minded because doing a full LRU would 32794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * be potentially memory-intensive, and without atime it would 32894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * also require that apps constantly modify file metadata even 32994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * when just reading from the cache, which is pretty awful. 33094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 33194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint free_cache(int64_t free_size) 33294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 33394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache_t* cache; 33494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t avail; 33594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 33694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 33794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char tmpdir[PATH_MAX]; 33894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *dirpos; 33994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood avail = data_disk_free(); 34194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail < 0) return -1; 34294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGI("free_cache(%" PRId64 ") avail %" PRId64 "\n", free_size, avail); 34494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail >= free_size) return 0; 34594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache = start_cache_collection(); 34794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 34894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files for primary user. 349abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_user_path(tmpdir, 0) == 0) { 35094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 35194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 35294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 35394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Search for other users and add any cache files from them. 35594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood snprintf(tmpdir, sizeof(tmpdir), "%s%s", android_data_dir.path, 35694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood SECONDARY_USER_PREFIX); 35794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 35894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 35994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 36094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 36194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 36294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 36394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 36494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 36594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 36694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 36794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 36894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 36994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 37094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 37194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 37294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 37394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 37494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 37894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 38094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files on external storage for all users (if it is mounted as part 38194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // of the internal storage). 38294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(tmpdir, android_media_dir.path); 38394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 38494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 38594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 38694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 38794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 38894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 38994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* skip any dir that doesn't start with a number, so not a user */ 39094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] < '0' || name[0] > '9') { 39194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 39294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 39394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 39494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 39594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lookup_media_dir(tmpdir, "Android") == 0 39694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood && lookup_media_dir(tmpdir, "data") == 0) { 39794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 39894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 39994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 40194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 40294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 40694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 40894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood clear_cache_files(cache, free_size); 40994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood finish_cache_collection(cache); 41094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return data_disk_free() >= free_size ? 0 : -1; 41294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 41394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4141b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint move_dex(const char *src, const char *dst, const char *instruction_set) 41594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 41694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char src_dex[PKG_PATH_MAX]; 41794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dst_dex[PKG_PATH_MAX]; 41894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(src)) return -1; 42094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(dst)) return -1; 42194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4221b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(src_dex, src, instruction_set)) return -1; 4231b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dst_dex, dst, instruction_set)) return -1; 42494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 42594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("move %s -> %s\n", src_dex, dst_dex); 42694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(src_dex, dst_dex) < 0) { 42794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't move %s: %s\n", src_dex, strerror(errno)); 42894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 42994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 43094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 43194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 43294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 43394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4341b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint rm_dex(const char *path, const char *instruction_set) 43594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 43694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dex_path[PKG_PATH_MAX]; 43794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 43894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(path)) return -1; 4391b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dex_path, path, instruction_set)) return -1; 44094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 44194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("unlink %s\n", dex_path); 44294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(dex_path) < 0) { 44394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't unlink %s: %s\n", dex_path, strerror(errno)); 44494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 44594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 44694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 44794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 44894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 44994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 450abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint get_size(const char *pkgname, userid_t userid, const char *apkpath, 4518b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn const char *libdirpath, const char *fwdlock_apkpath, const char *asecpath, 4521b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char *instruction_set, int64_t *_codesize, int64_t *_datasize, 4531b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath int64_t *_cachesize, int64_t* _asecsize) 45494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 45594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 45694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd; 45794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 45894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 45994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char path[PKG_PATH_MAX]; 46094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 46194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t codesize = 0; 46294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t datasize = 0; 46394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t cachesize = 0; 46494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t asecsize = 0; 46594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 46694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the source apk as code -- but only if it's not 46794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * on the /system partition and its not on the sdcard. 46894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 46994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_system_app_path(apkpath) && 47094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strncmp(apkpath, android_asec_dir.path, android_asec_dir.len) != 0) { 47194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(apkpath, &s) == 0) { 47294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 47394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 47494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 47594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the forward locked apk as code if it is given 47694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 47794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fwdlock_apkpath != NULL && fwdlock_apkpath[0] != '!') { 47894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(fwdlock_apkpath, &s) == 0) { 47994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 48094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the cached dexfile as code */ 4831b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (!create_cache_path(path, apkpath, instruction_set)) { 48494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(path, &s) == 0) { 48594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 48694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 48994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* add in size of any libraries */ 4908b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn if (libdirpath != NULL && libdirpath[0] != '!') { 4918b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn d = opendir(libdirpath); 49294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 49394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 49494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += calculate_dir_size(dfd); 49594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 49694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 49994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* compute asec size if it is given 50094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 50194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (asecpath != NULL && asecpath[0] != '!') { 50294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(asecpath, &s) == 0) { 50394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood asecsize += stat_size(&s); 50494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 507abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(path, pkgname, PKG_DIR_POSTFIX, userid)) { 50894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 50994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 51194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(path); 51294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 51394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 51494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 51694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 51794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* most stuff in the pkgdir is data, except for the "cache" 51894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * directory and below, which is cache, and the "lib" directory 51994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * and below, which is code... 52094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 52194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 52294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 52394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 52494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 52594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int subfd; 52694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t statsize = 0; 52794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t dirsize = 0; 52894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 52994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 53094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 53194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 53294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 53494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood statsize = stat_size(&s); 53594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY); 53794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd >= 0) { 53894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirsize = calculate_dir_size(subfd); 53994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 54094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if(!strcmp(name,"lib")) { 54194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += dirsize + statsize; 54294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if(!strcmp(name,"cache")) { 54394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cachesize += dirsize + statsize; 54494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 54594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += dirsize + statsize; 54694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 54794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (de->d_type == DT_LNK && !strcmp(name,"lib")) { 54894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // This is the symbolic link to the application's library 54994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // code. We'll count this as code instead of data, since 55094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // it is not something that the app creates. 55194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 55294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 55394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 55594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 55694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += stat_size(&s); 55794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 56194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 56294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_codesize = codesize; 56394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_datasize = datasize; 56494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_cachesize = cachesize; 56594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_asecsize = asecsize; 56694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 56794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 56894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5691b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint create_cache_path(char path[PKG_PATH_MAX], const char *src, const char *instruction_set) 57094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 57194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *tmp; 57294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srclen; 57394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstlen; 57494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 57594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srclen = strlen(src); 57694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 57794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* demand that we are an absolute path */ 57894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((src == 0) || (src[0] != '/') || strstr(src,"..")) { 57994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 58094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 58294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX? 58394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 58494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 586d93707342a61e66bc3eb2145628158452f577f42Dave Allison dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) + 5871b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(instruction_set) + 5881b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(DALVIK_CACHE_POSTFIX) + 2; 589d93707342a61e66bc3eb2145628158452f577f42Dave Allison 59094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstlen > PKG_PATH_MAX) { 59194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 59294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 59394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5941b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(path,"%s%s/%s%s", 59594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_PREFIX, 5961b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath instruction_set, 59794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood src + 1, /* skip the leading / */ 59894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_POSTFIX); 599d93707342a61e66bc3eb2145628158452f577f42Dave Allison 6001b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath for(tmp = path + strlen(DALVIK_CACHE_PREFIX) + strlen(instruction_set) + 1; *tmp; tmp++) { 60194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (*tmp == '/') { 60294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *tmp = '@'; 60394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 60494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 60594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 60694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 60794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 60894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 60994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstatic void run_dexopt(int zip_fd, int odex_fd, const char* input_file_name, 6100ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom const char* output_file_name) 61194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 6120ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* platform-specific flags affecting optimization and verification */ 6130ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dexopt_flags[PROPERTY_VALUE_MAX]; 6140ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom property_get("dalvik.vm.dexopt-flags", dexopt_flags, ""); 6150ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dexopt-flags=%s\n", dexopt_flags); 6160ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 61794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const char* DEX_OPT_BIN = "/system/bin/dexopt"; 61894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 61994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char zip_num[MAX_INT_LEN]; 62094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char odex_num[MAX_INT_LEN]; 62194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 62294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(zip_num, "%d", zip_fd); 62394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(odex_num, "%d", odex_fd); 62494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6251705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX_OPT_BIN, input_file_name, output_file_name); 62694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood execl(DEX_OPT_BIN, DEX_OPT_BIN, "--zip", zip_num, odex_num, input_file_name, 62794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dexopt_flags, (char*) NULL); 62894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("execl(%s) failed: %s\n", DEX_OPT_BIN, strerror(errno)); 62994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 63094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 63143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Lightstatic void run_patchoat(int input_fd, int oat_fd, const char* input_file_name, 63243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* output_file_name, const char *pkgname, const char *instruction_set) 63343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light{ 63443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 6358fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle static const unsigned int MAX_INSTRUCTION_SET_LEN = 7; 63643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 63743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light static const char* PATCHOAT_BIN = "/system/bin/patchoat"; 63843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 63943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Instruction set %s longer than max length of %d", 64043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light instruction_set, MAX_INSTRUCTION_SET_LEN); 64143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return; 64243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 64343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 64443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* input_file_name/input_fd should be the .odex/.oat file that is precompiled. I think*/ 64543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 64643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char output_oat_fd_arg[strlen("--output-oat-fd=") + MAX_INT_LEN]; 64743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char input_oat_fd_arg[strlen("--input-oat-fd=") + MAX_INT_LEN]; 64843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* patched_image_location_arg = "--patched-image-location=/system/framework/boot.art"; 64943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light // The caller has already gotten all the locks we need. 65043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char* no_lock_arg = "--no-lock-output"; 65143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 65243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(output_oat_fd_arg, "--output-oat-fd=%d", oat_fd); 65343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light sprintf(input_oat_fd_arg, "--input-oat-fd=%d", input_fd); 65443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Running %s isa=%s in-fd=%d (%s) out-fd=%d (%s)\n", 65543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light PATCHOAT_BIN, instruction_set, input_fd, input_file_name, oat_fd, output_file_name); 65643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 65743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* patchoat, patched-image-location, no-lock, isa, input-fd, output-fd */ 65843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char* argv[7]; 65943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[0] = (char*) PATCHOAT_BIN; 66043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[1] = (char*) patched_image_location_arg; 66143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[2] = (char*) no_lock_arg; 66243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[3] = instruction_set_arg; 66343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[4] = output_oat_fd_arg; 66443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[5] = input_oat_fd_arg; 66543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light argv[6] = NULL; 66643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 66743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light execv(PATCHOAT_BIN, (char* const *)argv); 66843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("execv(%s) failed: %s\n", PATCHOAT_BIN, strerror(errno)); 66943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light} 67043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 6711705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstromstatic void run_dex2oat(int zip_fd, int oat_fd, const char* input_file_name, 672b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle const char* output_file_name, const char *pkgname, const char *instruction_set, 673b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle bool vm_safe_mode) 6741705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom{ 6758fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle static const unsigned int MAX_INSTRUCTION_SET_LEN = 7; 6768fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 6778fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 6788fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle ALOGE("Instruction set %s longer than max length of %d", 6798fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle instruction_set, MAX_INSTRUCTION_SET_LEN); 6808fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle return; 6818fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle } 6828fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 683e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char prop_buf[PROPERTY_VALUE_MAX]; 684e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool profiler = (property_get("dalvik.vm.profiler", prop_buf, "0") > 0) && (prop_buf[0] == '1'); 685e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 686e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xms_flag[PROPERTY_VALUE_MAX]; 687e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool have_dex2oat_Xms_flag = property_get("dalvik.vm.dex2oat-Xms", dex2oat_Xms_flag, NULL) > 0; 688e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 689e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xmx_flag[PROPERTY_VALUE_MAX]; 690e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom bool have_dex2oat_Xmx_flag = property_get("dalvik.vm.dex2oat-Xmx", dex2oat_Xmx_flag, NULL) > 0; 691e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 6929a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom char dex2oat_compiler_filter_flag[PROPERTY_VALUE_MAX]; 6939a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom bool have_dex2oat_compiler_filter_flag = property_get("dalvik.vm.dex2oat-filter", 6949a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom dex2oat_compiler_filter_flag, NULL) > 0; 6959a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom 6968fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle char dex2oat_isa_features_key[PROPERTY_KEY_MAX]; 6978fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set); 6988fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle char dex2oat_isa_features[PROPERTY_VALUE_MAX]; 6998fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle bool have_dex2oat_isa_features = property_get(dex2oat_isa_features_key, 7008fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle dex2oat_isa_features, NULL) > 0; 7018fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle 7020ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dex2oat_flags[PROPERTY_VALUE_MAX]; 7034fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_dex2oat_flags = property_get("dalvik.vm.dex2oat-flags", dex2oat_flags, NULL) > 0; 7040ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dex2oat-flags=%s\n", dex2oat_flags); 7050ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 70641cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom // If we booting without the real /data, don't spend time compiling. 70741cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom char vold_decrypt[PROPERTY_VALUE_MAX]; 70841cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom bool have_vold_decrypt = property_get("vold.decrypt", vold_decrypt, "") > 0; 70941cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom bool skip_compilation = (have_vold_decrypt && 71041cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom (strcmp(vold_decrypt, "trigger_restart_min_framework") == 0 || 71141cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom (strcmp(vold_decrypt, "1") == 0))); 71241cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom 7131705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const char* DEX2OAT_BIN = "/system/bin/dex2oat"; 71453e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 71553e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom static const char* RUNTIME_ARG = "--runtime-arg"; 71653e0776d967324e2908e3be56b80cddb2c9d9e03Brian Carlstrom 7171705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 7181b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 7191705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_fd_arg[strlen("--zip-fd=") + MAX_INT_LEN]; 7201705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX]; 7211705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN]; 7227195fcc2185c35b45a8f28c79fde4999b38850e8Brian Carlstrom char oat_location_arg[strlen("--oat-location=") + PKG_PATH_MAX]; 7231b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 7248fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle char instruction_set_features_arg[strlen("--instruction-set-features=") + PROPERTY_VALUE_MAX]; 7254fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle char profile_file_arg[strlen("--profile-file=") + PKG_PATH_MAX]; 7264fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle char top_k_profile_threshold_arg[strlen("--top-k-profile-threshold=") + PROPERTY_VALUE_MAX]; 727e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xms_arg[strlen("-Xms") + PROPERTY_VALUE_MAX]; 728e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char dex2oat_Xmx_arg[strlen("-Xmx") + PROPERTY_VALUE_MAX]; 7299a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom char dex2oat_compiler_filter_arg[strlen("--compiler-filter=") + PROPERTY_VALUE_MAX]; 7301705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 7311705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd); 7321705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_location_arg, "--zip-location=%s", input_file_name); 7331705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd); 7341705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_location_arg, "--oat-location=%s", output_file_name); 7351b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 7368fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle sprintf(instruction_set_features_arg, "--instruction-set-features=%s", dex2oat_isa_features); 73757c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle 7384fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_profile_file = false; 7394fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle bool have_top_k_profile_threshold = false; 74057c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle if (profiler && (strcmp(pkgname, "*") != 0)) { 74157c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle char profile_file[PKG_PATH_MAX]; 74257c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle snprintf(profile_file, sizeof(profile_file), "%s/%s", 743d93707342a61e66bc3eb2145628158452f577f42Dave Allison DALVIK_CACHE_PREFIX "profiles", pkgname); 74457c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle struct stat st; 7454fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if ((stat(profile_file, &st) == 0) && (st.st_size > 0)) { 74657c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle sprintf(profile_file_arg, "--profile-file=%s", profile_file); 7474fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle have_profile_file = true; 7484fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (property_get("dalvik.vm.profile.top-k-thr", prop_buf, NULL) > 0) { 7494fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle snprintf(top_k_profile_threshold_arg, sizeof(top_k_profile_threshold_arg), 7504fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle "--top-k-profile-threshold=%s", prop_buf); 7514fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle have_top_k_profile_threshold = true; 7524fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 75357c69c39640a7d6a08b3afb56361d76f7ecf1250Calin Juravle } 754d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 7551705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 756e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 757e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xms_arg, "-Xms%s", dex2oat_Xms_flag); 758e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 759e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 760e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom sprintf(dex2oat_Xmx_arg, "-Xmx%s", dex2oat_Xmx_flag); 761e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 76241cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom if (skip_compilation) { 763e18987efb5e39ca1bed15527b7b82bde55c99669Brian Carlstrom strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=verify-none"); 76441cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom have_dex2oat_compiler_filter_flag = true; 765b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle } else if (vm_safe_mode) { 766b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle strcpy(dex2oat_compiler_filter_arg, "--compiler-filter=interpret-only"); 76741cd9eb42471e99831fbbbb72b841202bbf33648Brian Carlstrom } else if (have_dex2oat_compiler_filter_flag) { 7689a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom sprintf(dex2oat_compiler_filter_arg, "--compiler-filter=%s", dex2oat_compiler_filter_flag); 7699a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom } 770e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom 7711705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name); 7724fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 773e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom char* argv[7 // program name, mandatory arguments and the final NULL 7748fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle + (have_dex2oat_isa_features ? 1 : 0) 7754fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_profile_file ? 1 : 0) 7764fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_top_k_profile_threshold ? 1 : 0) 777e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom + (have_dex2oat_Xms_flag ? 2 : 0) 778e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom + (have_dex2oat_Xmx_flag ? 2 : 0) 7799a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom + (have_dex2oat_compiler_filter_flag ? 1 : 0) 7804fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle + (have_dex2oat_flags ? 1 : 0)]; 7814fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle int i = 0; 7824fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = (char*)DEX2OAT_BIN; 7834fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_fd_arg; 7844fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = zip_location_arg; 7854fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_fd_arg; 7864fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = oat_location_arg; 7874fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = instruction_set_arg; 7888fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle if (have_dex2oat_isa_features) { 7898fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle argv[i++] = instruction_set_features_arg; 7908fc7315a67fdbf9b56cc6fa061f0773be2223a81Calin Juravle } 7914fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_profile_file) { 7924fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = profile_file_arg; 7934fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 7944fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_top_k_profile_threshold) { 7954fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = top_k_profile_threshold_arg; 7964fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 797e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xms_flag) { 798e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = (char*)RUNTIME_ARG; 799e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xms_arg; 800e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 801e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom if (have_dex2oat_Xmx_flag) { 802e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = (char*)RUNTIME_ARG; 803e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom argv[i++] = dex2oat_Xmx_arg; 804e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom } 8059a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom if (have_dex2oat_compiler_filter_flag) { 8069a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom argv[i++] = dex2oat_compiler_filter_arg; 8079a87db6e1f48fb58398ac186968b08d000342098Brian Carlstrom } 8084fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle if (have_dex2oat_flags) { 8094fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i++] = dex2oat_flags; 8104fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle } 811e46a75a0f6007967cd0d161959af844772cdc330Brian Carlstrom // Do not add after dex2oat_flags, they should override others for debugging. 8124fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle argv[i] = NULL; 8134fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle 8144fdff4616699708e58d875273c3c1a85ba4c63bdCalin Juravle execv(DEX2OAT_BIN, (char* const *)argv); 8151705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("execl(%s) failed: %s\n", DEX2OAT_BIN, strerror(errno)); 8161705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom} 8171705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 81863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int wait_child(pid_t pid) 81994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 82094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int status; 82194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t got_pid; 82294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 82394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 82494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood got_pid = waitpid(pid, &status, 0); 82594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid == -1 && errno == EINTR) { 82694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood printf("waitpid interrupted, retrying\n"); 82794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 82894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 82994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 83094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 83194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid != pid) { 83294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("waitpid failed: wanted %d, got %d: %s\n", 83394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (int) pid, (int) got_pid, strerror(errno)); 83494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 83594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 83694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 83794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { 83894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 83994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 84094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return status; /* always nonzero */ 84194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 84294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 84394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 844b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravleint dexopt(const char *apk_path, uid_t uid, bool is_public, 84543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *pkgname, const char *instruction_set, 846b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle bool vm_safe_mode, bool is_patchoat) 84794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 84894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct utimbuf ut; 84943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light struct stat input_stat, dex_stat; 8501705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char out_path[PKG_PATH_MAX]; 851e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom char persist_sys_dalvik_vm_lib[PROPERTY_VALUE_MAX]; 85294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *end; 85343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *input_file; 85443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light char in_odex_path[PKG_PATH_MAX]; 85543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light int res, input_fd=-1, out_fd=-1; 85694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 85794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(apk_path) >= (PKG_PATH_MAX - 8)) { 85894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 85994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8610ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* The command to run depend on the value of persist.sys.dalvik.vm.lib */ 862856bc78efcda3d1584ba7d6f8f4b041d5f640de0Brian Carlstrom property_get("persist.sys.dalvik.vm.lib.2", persist_sys_dalvik_vm_lib, "libart.so"); 8631705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 86443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat && strncmp(persist_sys_dalvik_vm_lib, "libart", 6) != 0) { 86543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* We may only patch if we are libart */ 86643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("Patching is only supported in libart\n"); 86743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 86843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 86943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 8701705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom /* Before anything else: is there a .odex file? If so, we have 8711705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom * precompiled the apk and there is nothing to do here. 87243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light * 87343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light * We skip this if we are doing a patchoat. 8741705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom */ 8750e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(out_path, apk_path); 8760e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang end = strrchr(out_path, '.'); 87743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end != NULL && !is_patchoat) { 8780e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(end, ".odex"); 8790e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang if (stat(out_path, &dex_stat) == 0) { 8800e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang return 0; 8810e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang } 88294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 88394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8841b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(out_path, apk_path, instruction_set)) { 88594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 88694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 88794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 88843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat) { 88943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light /* /system/framework/whatever.jar -> /system/framework/<isa>/whatever.odex */ 89043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(in_odex_path, apk_path); 89143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light end = strrchr(in_odex_path, '/'); 89243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end == NULL) { 89343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("apk_path '%s' has no '/'s in it?!\n", apk_path); 89443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 89543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 89643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light const char *apk_end = apk_path + (end - in_odex_path); // strrchr(apk_path, '/'); 89743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(end + 1, instruction_set); // in_odex_path now is /system/framework/<isa>\0 89843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcat(in_odex_path, apk_end); 89943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light end = strrchr(in_odex_path, '.'); 90043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (end == NULL) { 90143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light return -1; 90243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 90343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light strcpy(end + 1, "odex"); 90443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_file = in_odex_path; 90543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } else { 90643c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_file = apk_path; 90743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 90843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light 90943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light memset(&input_stat, 0, sizeof(input_stat)); 91043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light stat(input_file, &input_stat); 91194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 91243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light input_fd = open(input_file, O_RDONLY, 0); 91343c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (input_fd < 0) { 91443c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("installd cannot open '%s' for input during dexopt\n", input_file); 91594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 91694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 91794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9181705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 9191705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom out_fd = open(out_path, O_RDWR | O_CREAT | O_EXCL, 0644); 9201705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd < 0) { 9211705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot open '%s' for output during dexopt\n", out_path); 92294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 92394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9241705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchmod(out_fd, 92594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood S_IRUSR|S_IWUSR|S_IRGRP | 92694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (is_public ? S_IROTH : 0)) < 0) { 9271705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chmod '%s' during dexopt\n", out_path); 92894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 92994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9301705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchown(out_fd, AID_SYSTEM, uid) < 0) { 9311705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chown '%s' during dexopt\n", out_path); 93294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 93394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 93494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 935d93707342a61e66bc3eb2145628158452f577f42Dave Allison // Create profile file if there is a package name present. 936d93707342a61e66bc3eb2145628158452f577f42Dave Allison if (strcmp(pkgname, "*") != 0) { 937d93707342a61e66bc3eb2145628158452f577f42Dave Allison create_profile_file(pkgname, uid); 938d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 939d93707342a61e66bc3eb2145628158452f577f42Dave Allison 940d93707342a61e66bc3eb2145628158452f577f42Dave Allison 94143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGV("DexInv: --- BEGIN '%s' ---\n", input_file); 94294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 94394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid; 94494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid = fork(); 94594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (pid == 0) { 94694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* child -- drop privileges before continuing */ 94794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setgid(uid) != 0) { 9481705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setgid(%d) failed in installd during dexopt\n", uid); 94994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(64); 95094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 95194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setuid(uid) != 0) { 9521705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setuid(%d) failed in installd during dexopt\n", uid); 95394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(65); 95494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 95594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // drop capabilities 95694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_header_struct capheader; 95794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_data_struct capdata[2]; 95894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capheader, 0, sizeof(capheader)); 95994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capdata, 0, sizeof(capdata)); 96094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood capheader.version = _LINUX_CAPABILITY_VERSION_3; 96194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (capset(&capheader, &capdata[0]) < 0) { 96294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("capset failed: %s\n", strerror(errno)); 96394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(66); 96494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9653b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom if (set_sched_policy(0, SP_BACKGROUND) < 0) { 9663b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom ALOGE("set_sched_policy failed: %s\n", strerror(errno)); 9673b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom exit(70); 9683b14e5b1f3fd1f3ef66696dc7ce4e53b6af3c309Brian Carlstrom } 9691705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) { 9701705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno)); 97194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(67); 97294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 97394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 974e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom if (strncmp(persist_sys_dalvik_vm_lib, "libdvm", 6) == 0) { 97543c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_dexopt(input_fd, out_fd, input_file, out_path); 976e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom } else if (strncmp(persist_sys_dalvik_vm_lib, "libart", 6) == 0) { 97743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (is_patchoat) { 97843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light run_patchoat(input_fd, out_fd, input_file, out_path, pkgname, instruction_set); 97943c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } else { 980b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle run_dex2oat(input_fd, out_fd, input_file, out_path, pkgname, instruction_set, 981b1efac103523efccbe671e76cc0eaaeab810415bCalin Juravle vm_safe_mode); 98243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light } 9831705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } else { 984e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom exit(69); /* Unexpected persist.sys.dalvik.vm.lib value */ 9851705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } 98694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(68); /* only get here on exec failure */ 98794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 98863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad res = wait_child(pid); 98963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (res == 0) { 99043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGV("DexInv: --- END '%s' (success) ---\n", input_file); 99163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 99243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ALOGE("DexInv: --- END '%s' --- status=0x%04x, process failed\n", input_file, res); 99394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 99494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 99743c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ut.actime = input_stat.st_atime; 99843c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light ut.modtime = input_stat.st_mtime; 9991705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom utime(out_path, &ut); 10001705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 10011705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 100243c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light close(input_fd); 100394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 100494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 100594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodfail: 10061705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd >= 0) { 10071705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 10081705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 100994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 101043c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light if (input_fd >= 0) { 101143c5d30795faf08ab639b8d88c2eceaf2b648c93Alex Light close(input_fd); 101294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 101394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 101494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 101594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 101694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid mkinnerdirs(char* path, int basepos, mode_t mode, int uid, int gid, 101794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat* statbuf) 101894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 101994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (path[basepos] != 0) { 102094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (path[basepos] == '/') { 102194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = 0; 102294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(path, statbuf) < 0) { 102394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Making directory: %s\n", path); 102494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (mkdir(path, mode) == 0) { 102594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood chown(path, uid, gid); 102694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 102794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to make directory %s: %s\n", path, strerror(errno)); 102894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 102994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = '/'; 103194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 103294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 103494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 103694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 103794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefileordir(char* srcpath, char* dstpath, int dstbasepos, 103894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid, int dstgid, struct stat* statbuf) 103994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 104094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 104194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 104294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int res; 104394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 104494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srcend = strlen(srcpath); 104594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstend = strlen(dstpath); 1046d93707342a61e66bc3eb2145628158452f577f42Dave Allison 104794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, statbuf) < 0) { 104894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to stat %s: %s\n", srcpath, strerror(errno)); 104994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 105094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1051d93707342a61e66bc3eb2145628158452f577f42Dave Allison 105294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((statbuf->st_mode&S_IFDIR) == 0) { 105394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood mkinnerdirs(dstpath, dstbasepos, S_IRWXU|S_IRWXG|S_IXOTH, 105494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, statbuf); 105594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Renaming %s to %s (uid %d)\n", srcpath, dstpath, dstuid); 105694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(srcpath, dstpath) >= 0) { 105794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(dstpath, dstuid, dstgid) < 0) { 105894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown %s: %s\n", dstpath, strerror(errno)); 105994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(dstpath); 106094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 106194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 106394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to rename %s to %s: %s\n", 106494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath, dstpath, strerror(errno)); 106594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 106694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 106894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 107094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(srcpath); 107194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 107294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to opendir %s: %s\n", srcpath, strerror(errno)); 107394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 107494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 107594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 107694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 0; 1077d93707342a61e66bc3eb2145628158452f577f42Dave Allison 107894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 107994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 108094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 108194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 108294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 108394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 108494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1085d93707342a61e66bc3eb2145628158452f577f42Dave Allison 108694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((srcend+strlen(name)) >= (PKG_PATH_MAX-2)) { 108794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Source path too long; skipping: %s/%s\n", srcpath, name); 108894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 108994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1090d93707342a61e66bc3eb2145628158452f577f42Dave Allison 109194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((dstend+strlen(name)) >= (PKG_PATH_MAX-2)) { 109294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Destination path too long; skipping: %s/%s\n", dstpath, name); 109394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 109494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1095d93707342a61e66bc3eb2145628158452f577f42Dave Allison 109694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = '/'; 109794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpath+srcend+1, name); 109894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpath+dstend+1, name); 1099d93707342a61e66bc3eb2145628158452f577f42Dave Allison 110094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (movefileordir(srcpath, dstpath, dstbasepos, dstuid, dstgid, statbuf) != 0) { 110194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 1; 110294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1103d93707342a61e66bc3eb2145628158452f577f42Dave Allison 110494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Note: we will be leaving empty directories behind in srcpath, 110594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // but that is okay, the package manager will be erasing all of the 110694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // data associated with .apks that disappear. 1107d93707342a61e66bc3eb2145628158452f577f42Dave Allison 110894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = 0; 110994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1110d93707342a61e66bc3eb2145628158452f577f42Dave Allison 111194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 111294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return res; 111394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 111494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 111594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefiles() 111694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 111794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 111894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd, subfd; 111994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 112094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 112194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char buf[PKG_PATH_MAX+1]; 112294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int bufp, bufe, bufi, readlen; 112394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 112494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpkg[PKG_NAME_MAX]; 112594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpkg[PKG_NAME_MAX]; 112694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpath[PKG_PATH_MAX]; 112794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpath[PKG_PATH_MAX]; 112894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid=-1, dstgid=-1; 112994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int hasspace; 113094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(UPDATE_COMMANDS_DIR_PREFIX); 113294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 113394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 113494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 113594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 113694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* Iterate through all files in the directory, executing the 113894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * file movements requested there-in. 113994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 114094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 114194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 114294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 114394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 114494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 114594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 114694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY); 114794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd < 0) { 114894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to open update commands at %s%s\n", 114994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name); 115094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 115194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 1152d93707342a61e66bc3eb2145628158452f577f42Dave Allison 115394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 115494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe = 0; 115594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[PKG_PATH_MAX] = 0; 115694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 115794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 115894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi = bufp; 115994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufi < bufe && buf[bufi] != '\n') { 116094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi++; 116194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 116294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufi < bufe) { 116394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufi] = 0; 116494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Processing line: %s\n", buf+bufp); 116594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 0; 116694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufp < bufi && isspace(buf[bufp])) { 116794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 1; 116894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp++; 116994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 117094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (buf[bufp] == '#' || bufp == bufi) { 117194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // skip comments and empty lines. 117294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (hasspace) { 117394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstpkg[0] == 0) { 117494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path before package line in %s%s: %s\n", 117594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 117694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (srcpkg[0] == 0) { 117794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Skip -- source package no longer exists. 117894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 117994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Move file: %s (from %s to %s)\n", buf+bufp, srcpkg, dstpkg); 118094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_move_path(srcpath, srcpkg, buf+bufp, 0) && 118194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood !create_move_path(dstpath, dstpkg, buf+bufp, 0)) { 118294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood movefileordir(srcpath, dstpath, 118394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strlen(dstpath)-strlen(buf+bufp), 118494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, &s); 118594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 118694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 118794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 118894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char* div = strchr(buf+bufp, ':'); 118994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (div == NULL) { 119094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Bad package spec in %s%s; no ':' sep: %s\n", 119194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 119294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 119394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *div = 0; 119494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div++; 119594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(buf+bufp) < PKG_NAME_MAX) { 119694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpkg, buf+bufp); 119794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 119894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 119994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 120094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 120194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 120294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(div) < PKG_NAME_MAX) { 120394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpkg, div); 120494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 120594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 120694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 120794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, div); 120894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 120994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 121094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(srcpath, srcpkg, PKG_DIR_POSTFIX, 0)) { 121194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, &s) < 0) { 121294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Package no longer exists -- skip. 121394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 121494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 121594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 121694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 121794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 121894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 121994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 122094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 122194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(dstpath, dstpkg, PKG_DIR_POSTFIX, 0)) { 122294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(dstpath, &s) == 0) { 122394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid = s.st_uid; 122494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstgid = s.st_gid; 122594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 122694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Destination package doesn't 122794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // exist... due to original-package, 122894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // this is normal, so don't be 122994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // noisy about it. 123094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 123194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 123294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 123394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 123494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 123594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 123694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 123794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 123894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Transfering from %s to %s: uid=%d\n", 123994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg, dstpkg, dstuid); 124094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 124194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 124294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 124394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = bufi+1; 124494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 124594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp == 0) { 124694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp < bufe) { 124794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Line too long in %s%s, skipping: %s\n", 124894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf); 124994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 125094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (bufp < bufe) { 125194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memcpy(buf, buf+bufp, bufe-bufp); 125294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe -= bufp; 125394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 125494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 125594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood readlen = read(subfd, buf+bufe, PKG_PATH_MAX-bufe); 125694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (readlen < 0) { 125794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Failure reading update commands in %s%s: %s\n", 125894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, strerror(errno)); 125994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 126094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (readlen == 0) { 126194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 126294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 126394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe += readlen; 126494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufe] = 0; 126594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Read buf: %s\n", buf); 126694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 126794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 126894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood close(subfd); 126994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 127094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 127194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 127294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 127394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 127494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 127594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 127694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint linklib(const char* pkgname, const char* asecLibDir, int userId) 127794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 127894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 127994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 128094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s, libStat; 128194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 128294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 128394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userId)) { 128494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 128594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 128694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 128794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userId)) { 128894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 128994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 129094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 129194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 129294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 129394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 129494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, AID_INSTALL, AID_INSTALL) < 0) { 129594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s': %s\n", pkgdir, strerror(errno)); 129694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 129794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 129894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 129994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0700) < 0) { 130094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 1: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 130194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 130294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 130394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 130494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 130594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 130694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 130794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 130894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 130994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 131094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 131194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 131294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 13133aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (delete_dir_contents(libsymlink, 1, NULL) < 0) { 131494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 131594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 131694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 131794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 131894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 131994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib dir: %s\n", strerror(errno)); 132094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 132194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 132294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 132394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 132494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 132594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 132694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(asecLibDir, libsymlink) < 0) { 132794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, asecLibDir, 132894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strerror(errno)); 132994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 133094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 133194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 133394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodout: 133494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, s.st_mode) < 0) { 133594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 2: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 133694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 133794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 133894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 133994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, s.st_uid, s.st_gid) < 0) { 134094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s' : %s\n", pkgdir, strerror(errno)); 134194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 134294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 134394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 134494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return rc; 134594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 134663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 134763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic void run_idmap(const char *target_apk, const char *overlay_apk, int idmap_fd) 134863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 134963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const char *IDMAP_BIN = "/system/bin/idmap"; 135063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const size_t MAX_INT_LEN = 32; 135163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_str[MAX_INT_LEN]; 135263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 135363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_str, sizeof(idmap_str), "%d", idmap_fd); 135463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 135563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad execl(IDMAP_BIN, IDMAP_BIN, "--fd", target_apk, overlay_apk, idmap_str, (char*)NULL); 135663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("execl(%s) failed: %s\n", IDMAP_BIN, strerror(errno)); 135763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 135863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 135963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// Transform string /a/b/c.apk to (prefix)/a@b@c.apk@(suffix) 136063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// eg /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap 136163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int flatten_path(const char *prefix, const char *suffix, 136263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const char *overlay_path, char *idmap_path, size_t N) 136363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 136463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (overlay_path == NULL || idmap_path == NULL) { 136563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 136663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 136763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_overlay_path = strlen(overlay_path); 136863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // will access overlay_path + 1 further below; requires absolute path 136963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (len_overlay_path < 2 || *overlay_path != '/') { 137063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 137163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 137263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_idmap_root = strlen(prefix); 137363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_suffix = strlen(suffix); 137463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (SIZE_MAX - len_idmap_root < len_overlay_path || 137563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad SIZE_MAX - (len_idmap_root + len_overlay_path) < len_suffix) { 137663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // additions below would cause overflow 137763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 137863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 137963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (N < len_idmap_root + len_overlay_path + len_suffix) { 138063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 138163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 138263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad memset(idmap_path, 0, N); 138363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_path, N, "%s%s%s", prefix, overlay_path + 1, suffix); 138463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char *ch = idmap_path + len_idmap_root; 138563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad while (*ch != '\0') { 138663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (*ch == '/') { 138763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad *ch = '@'; 138863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 138963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ++ch; 139063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 139163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 139263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 139363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 139463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadint idmap(const char *target_apk, const char *overlay_apk, uid_t uid) 139563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 139663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGV("idmap target_apk=%s overlay_apk=%s uid=%d\n", target_apk, overlay_apk, uid); 139763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 139863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int idmap_fd = -1; 139963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_path[PATH_MAX]; 140063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 140163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flatten_path(IDMAP_PREFIX, IDMAP_SUFFIX, overlay_apk, 140263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_path, sizeof(idmap_path)) == -1) { 140363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot generate idmap path for overlay %s\n", overlay_apk); 140463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 140563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 140663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 140763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 140863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_fd = open(idmap_path, O_RDWR | O_CREAT | O_EXCL, 0644); 140963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd < 0) { 141063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot open '%s' for output: %s\n", idmap_path, strerror(errno)); 141163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 141263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 141363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchown(idmap_fd, AID_SYSTEM, uid) < 0) { 141463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chown '%s'\n", idmap_path); 141563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 141663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 141763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchmod(idmap_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0) { 141863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chmod '%s'\n", idmap_path); 141963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 142063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 142163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 142263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid_t pid; 142363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid = fork(); 142463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (pid == 0) { 142563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad /* child -- drop privileges before continuing */ 142663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setgid(uid) != 0) { 142763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setgid(%d) failed during idmap\n", uid); 142863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 142963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 143063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setuid(uid) != 0) { 143163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setuid(%d) failed during idmap\n", uid); 143263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 143363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 143463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flock(idmap_fd, LOCK_EX | LOCK_NB) != 0) { 143563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("flock(%s) failed during idmap: %s\n", idmap_path, strerror(errno)); 143663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 143763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 143863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 143963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad run_idmap(target_apk, overlay_apk, idmap_fd); 144063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); /* only if exec call to idmap failed */ 144163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 144263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int status = wait_child(pid); 144363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (status != 0) { 144463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap failed, status=0x%04x\n", status); 144563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 144663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 144763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 144863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 144963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 145063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 145163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadfail: 145263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd >= 0) { 145363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 145463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 145563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 145663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 145763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 1458e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1459da30dc7336f03ca629fe173db1425fdce989119cRobert Craigint restorecon_data(const char* pkgName, const char* seinfo, uid_t uid) 1460e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig{ 1461da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct dirent *entry; 1462da30dc7336f03ca629fe173db1425fdce989119cRobert Craig DIR *d; 1463da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct stat s; 1464da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *userdir; 1465da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *primarydir; 1466da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *pkgdir; 1467da30dc7336f03ca629fe173db1425fdce989119cRobert Craig int ret = 0; 1468e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1469da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // SELINUX_ANDROID_RESTORECON_DATADATA flag is set by libselinux. Not needed here. 1470da30dc7336f03ca629fe173db1425fdce989119cRobert Craig unsigned int flags = SELINUX_ANDROID_RESTORECON_RECURSE; 1471e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1472da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!pkgName || !seinfo) { 1473da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Package name or seinfo tag is null when trying to restorecon."); 1474da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1475da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1476e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1477da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&primarydir, "%s%s%s", android_data_dir.path, PRIMARY_USER_PREFIX, pkgName) < 0) { 1478e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return -1; 1479e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1480e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1481da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel for primary user. 1482da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(primarydir, seinfo, uid, flags) < 0) { 1483da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", primarydir, strerror(errno)); 1484e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig ret |= -1; 1485e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1486e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1487da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&userdir, "%s%s", android_data_dir.path, SECONDARY_USER_PREFIX) < 0) { 1488da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1489da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1490e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1491e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1492da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel package directory for all secondary users. 1493da30dc7336f03ca629fe173db1425fdce989119cRobert Craig d = opendir(userdir); 1494da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (d == NULL) { 1495da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1496da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1497da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1498da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1499da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1500da30dc7336f03ca629fe173db1425fdce989119cRobert Craig while ((entry = readdir(d))) { 1501da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (entry->d_type != DT_DIR) { 1502da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1503da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1504da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1505da30dc7336f03ca629fe173db1425fdce989119cRobert Craig const char *user = entry->d_name; 1506da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Ignore "." and ".." 1507da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!strcmp(user, ".") || !strcmp(user, "..")) { 1508da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1509da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1510da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1511da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // user directories start with a number 1512da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (user[0] < '0' || user[0] > '9') { 1513da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Expecting numbered directory during restorecon. Instead got '%s'.", user); 1514da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1515da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1516da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1517da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&pkgdir, "%s%s/%s", userdir, user, pkgName) < 0) { 1518da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1519da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1520da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1521da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (stat(pkgdir, &s) < 0) { 1522da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1523da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1524da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1525da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1526da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(pkgdir, seinfo, uid, flags) < 0) { 1527da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", pkgdir, strerror(errno)); 1528da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ret |= -1; 1529da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1530da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1531da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1532da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1533da30dc7336f03ca629fe173db1425fdce989119cRobert Craig closedir(d); 1534da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1535da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1536e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return ret; 1537e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig} 15383aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15393aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamathstatic int prune_dex_exclusion_predicate(const char *file_name, const int is_dir) 15403aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath{ 15411e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // Exclude all directories. The top level command will be 15421e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // given a list of ISA specific directories that are assumed 15431e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // to be flat. 15443aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (is_dir) { 15451e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return 1; 15463aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath } 15473aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15483aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15493aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // Don't exclude regular files that start with the list 15503aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // of prefixes. 15513aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath static const char data_app_prefix[] = "data@app@"; 15523aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath static const char data_priv_app_prefix[] = "data@priv-app@"; 15533aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath if (!strncmp(file_name, data_app_prefix, sizeof(data_app_prefix) - 1) || 15543aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath !strncmp(file_name, data_priv_app_prefix, sizeof(data_priv_app_prefix) - 1)) { 15553aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return 0; 15563aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath } 15573aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15583aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // Exclude all regular files that don't start with the prefix "data@app@" or 15593aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath // "data@priv-app@". 15603aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath return 1; 15613aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath} 15623aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath 15631e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamathint prune_dex_cache(const char* subdir) { 15641e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // "." is handled as a special case, and refers to 15651e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // DALVIK_CACHE_PREFIX (usually /data/dalvik-cache). 15661e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath const bool is_dalvik_cache_root = !strcmp(subdir, "."); 15671e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15681e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // Don't allow the path to contain "." or ".." except for the 15691e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // special case above. This is much stricter than we need to be, 15701e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // but there's no good reason to support them. 15711e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath if (strchr(subdir, '.' ) != NULL && !is_dalvik_cache_root) { 15721e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return -1; 15731e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath } 15741e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15751e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath if (!is_dalvik_cache_root) { 15761e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath char full_path[PKG_PATH_MAX]; 15771e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath snprintf(full_path, sizeof(full_path), "%s%s", DALVIK_CACHE_PREFIX, subdir); 15781e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return delete_dir_contents(full_path, 0, &prune_dex_exclusion_predicate); 15791e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath } 15801e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15811e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath 15821e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // When subdir == ".", clean the contents of the top level 15831e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath // dalvik-cache directory. 15841e57e4af8afb5a3b8b657e1c9ca3f9810e266083Narayan Kamath return delete_dir_contents(DALVIK_CACHE_PREFIX, 0, &prune_dex_exclusion_predicate); 15853aee2c5c749dc2589f001b26fae1ec958ec89524Narayan Kamath} 1586