commands.c revision 1b4003207750ea8fe8c7b03eb32d80f1df83979e
194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* 294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Copyright 2008, The Android Open Source Project 394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 4d93707342a61e66bc3eb2145628158452f577f42Dave Allison** Licensed under the Apache License, Version 2.0 (the "License"); 5d93707342a61e66bc3eb2145628158452f577f42Dave Allison** you may not use this file except in compliance with the License. 6d93707342a61e66bc3eb2145628158452f577f42Dave Allison** You may obtain a copy of the License at 794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 8d93707342a61e66bc3eb2145628158452f577f42Dave Allison** http://www.apache.org/licenses/LICENSE-2.0 994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 10d93707342a61e66bc3eb2145628158452f577f42Dave Allison** Unless required by applicable law or agreed to in writing, software 11d93707342a61e66bc3eb2145628158452f577f42Dave Allison** distributed under the License is distributed on an "AS IS" BASIS, 12d93707342a61e66bc3eb2145628158452f577f42Dave Allison** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d93707342a61e66bc3eb2145628158452f577f42Dave Allison** See the License for the specific language governing permissions and 1494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** limitations under the License. 1594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood*/ 1694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1792dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn#include <inttypes.h> 18d747129e1e8876f5a50f47156ec50b6969a638e4Nick Kralevich#include <sys/capability.h> 1994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include "installd.h" 2094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <diskusage/dirsize.h> 2194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <selinux/android.h> 2294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Directory records that are used in execution of commands. */ 2494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_data_dir; 2594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_asec_dir; 2694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_dir; 2794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_private_dir; 2894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_app_lib_dir; 2994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_t android_media_dir; 3094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddir_rec_array_t android_system_dirs; 3194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 324d3fd4e9988c0eb284dd5104c4dea757f723c716Robert Craigint install(const char *pkgname, uid_t uid, gid_t gid, const char *seinfo) 3394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 3494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 3594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char applibdir[PKG_PATH_MAX]; 3794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat libStat; 3894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 3994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 4194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 4594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 4694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 4794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, 0)) { 5094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) { 5594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink dest path\n"); 5694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 5794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 59a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (mkdir(pkgdir, 0751) < 0) { 6094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno)); 6194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 63a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich if (chmod(pkgdir, 0751) < 0) { 6494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 6594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 6694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 6794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 7094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 7194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 7294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 7394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 7594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 7694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (delete_dir_contents(libsymlink, 1, 0) < 0) { 7794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't delete lib directory during install for: %s", libsymlink); 7894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 7994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 8194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 8294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib directory during install for: %s", libsymlink); 8394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 8494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(applibdir, libsymlink) < 0) { 8994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, applibdir, 9094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strerror(errno)); 9194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 9294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 9394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9526288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 9694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 9794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 9894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 9994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 10094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 10194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 10294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 10394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 10494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 10594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 10694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 10794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 10894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 10994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 11094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 11194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 112abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint uninstall(const char *pkgname, userid_t userid) 11394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 11494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 11594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 116abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 11794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 11894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 119d93707342a61e66bc3eb2145628158452f577f42Dave Allison remove_profile_file(pkgname); 120d93707342a61e66bc3eb2145628158452f577f42Dave Allison 12194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents AND directory, no exceptions */ 12294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return delete_dir_contents(pkgdir, 1, NULL); 12394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 12494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 12594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint renamepkg(const char *oldpkgname, const char *newpkgname) 12694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 12794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char oldpkgdir[PKG_PATH_MAX]; 12894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char newpkgdir[PKG_PATH_MAX]; 12994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(oldpkgdir, oldpkgname, PKG_DIR_POSTFIX, 0)) 13194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(newpkgdir, newpkgname, PKG_DIR_POSTFIX, 0)) 13394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 13494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(oldpkgdir, newpkgdir) < 0) { 13694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot rename dir '%s' to '%s': %s\n", oldpkgdir, newpkgdir, strerror(errno)); 13794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 13894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 13994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 14094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 14194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint fix_uid(const char *pkgname, uid_t uid, gid_t gid) 14394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 14494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 14594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 14694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 14794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 14894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) { 14994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("invalid uid/gid: %d %d\n", uid, gid); 15094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) { 15494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 15594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 15694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 15994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (s.st_uid != 0 || s.st_gid != 0) { 16192dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn ALOGE("fixing uid of non-root pkg: %s %" PRIu32 " %" PRIu32 "\n", pkgdir, s.st_uid, s.st_gid); 16294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 16394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 16494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0751) < 0) { 16694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno)); 16794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 16894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 16994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, uid, gid) < 0) { 17194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno)); 17294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 17394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 17494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 17694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 17794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 17894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 179abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_user_data(const char *pkgname, userid_t userid) 18094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 18194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 18294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 183abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) 18494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 18594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents, excluding "lib", but not the directory itself */ 18794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return delete_dir_contents(pkgdir, 0, "lib"); 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)) { 22894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (delete_dir_contents(libsymlink, 1, 0) < 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 24494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(applibdir, libsymlink) < 0) { 24594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory for non-primary '%s' -> '%s': %s\n", libsymlink, 24694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood applibdir, strerror(errno)); 24794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 24894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 24994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 25094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 25126288202e7bdf2e897a11bf31a15685d7c20945fStephen Smalley if (selinux_android_setfilecon(pkgdir, pkgname, seinfo, uid) < 0) { 25294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno)); 25394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(libsymlink); 25494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(pkgdir); 25594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 25694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 25794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 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 268abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_user(userid_t userid) 26994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 27094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char data_path[PKG_PATH_MAX]; 271abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_user_path(data_path, userid)) { 27294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 27394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 27494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (delete_dir_contents(data_path, 1, NULL)) { 27594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 27694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 27794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 27894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char media_path[PATH_MAX]; 279abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_user_media_path(media_path, userid) == -1) { 28094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 28194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 28294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (delete_dir_contents(media_path, 1, NULL) == -1) { 28394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 28494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 28594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 28694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 28794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 28894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 289abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint delete_cache(const char *pkgname, userid_t userid) 29094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 29194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char cachedir[PKG_PATH_MAX]; 29294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 293abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(cachedir, pkgname, CACHE_DIR_POSTFIX, userid)) 29494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 29594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 29694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* delete contents, not the directory, no exceptions */ 29794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return delete_dir_contents(cachedir, 0, 0); 29894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 29994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 30094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Try to ensure free_size bytes of storage are available. 30194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * Returns 0 on success. 30294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * This is rather simple-minded because doing a full LRU would 30394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * be potentially memory-intensive, and without atime it would 30494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * also require that apps constantly modify file metadata even 30594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * when just reading from the cache, which is pretty awful. 30694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 30794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint free_cache(int64_t free_size) 30894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 30994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache_t* cache; 31094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t avail; 31194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 31294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 31394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char tmpdir[PATH_MAX]; 31494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *dirpos; 31594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 31694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood avail = data_disk_free(); 31794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail < 0) return -1; 31894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 31994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGI("free_cache(%" PRId64 ") avail %" PRId64 "\n", free_size, avail); 32094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (avail >= free_size) return 0; 32194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 32294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cache = start_cache_collection(); 32394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 32494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files for primary user. 325abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_user_path(tmpdir, 0) == 0) { 32694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 32794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 32894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 32994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 33094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Search for other users and add any cache files from them. 33194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood snprintf(tmpdir, sizeof(tmpdir), "%s%s", android_data_dir.path, 33294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood SECONDARY_USER_PREFIX); 33394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 33494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 33594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 33694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 33794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 33894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 33994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 34094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 34194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 34294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 34394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 34494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 34594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 34694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 34794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 34894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 34994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 35094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 35194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 35294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 35394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 35494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 35594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 35694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Collect cache files on external storage for all users (if it is mounted as part 35794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // of the internal storage). 35894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(tmpdir, android_media_dir.path); 35994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirpos = tmpdir + strlen(tmpdir); 36094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(tmpdir); 36194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 36294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 36394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 36494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 36594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* skip any dir that doesn't start with a number, so not a user */ 36694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] < '0' || name[0] > '9') { 36794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 36894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 36994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) { 37094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dirpos, name); 37194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lookup_media_dir(tmpdir, "Android") == 0 37294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood && lookup_media_dir(tmpdir, "data") == 0) { 37394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("adding cache files from %s\n", tmpdir); 37494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood add_cache_files(cache, tmpdir, "cache"); 37594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 37794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path exceeds limit: %s%s", tmpdir, name); 37894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 37994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 38294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 38394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 38494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood clear_cache_files(cache, free_size); 38594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood finish_cache_collection(cache); 38694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 38794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return data_disk_free() >= free_size ? 0 : -1; 38894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 38994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 3901b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint move_dex(const char *src, const char *dst, const char *instruction_set) 39194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 39294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char src_dex[PKG_PATH_MAX]; 39394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dst_dex[PKG_PATH_MAX]; 39494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 39594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(src)) return -1; 39694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(dst)) return -1; 39794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 3981b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(src_dex, src, instruction_set)) return -1; 3991b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dst_dex, dst, instruction_set)) return -1; 40094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 40194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("move %s -> %s\n", src_dex, dst_dex); 40294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(src_dex, dst_dex) < 0) { 40394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't move %s: %s\n", src_dex, strerror(errno)); 40494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 40594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 40694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 40794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 40894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 40994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4101b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint rm_dex(const char *path, const char *instruction_set) 41194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 41294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dex_path[PKG_PATH_MAX]; 41394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_apk_path(path)) return -1; 4151b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(dex_path, path, instruction_set)) return -1; 41694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 41794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("unlink %s\n", dex_path); 41894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(dex_path) < 0) { 41994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("Couldn't unlink %s: %s\n", dex_path, strerror(errno)); 42094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 42194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 42294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 42394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 42494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 42594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 426abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkeyint get_size(const char *pkgname, userid_t userid, const char *apkpath, 4278b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn const char *libdirpath, const char *fwdlock_apkpath, const char *asecpath, 4281b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char *instruction_set, int64_t *_codesize, int64_t *_datasize, 4291b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath int64_t *_cachesize, int64_t* _asecsize) 43094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 43194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 43294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd; 43394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 43494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 43594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char path[PKG_PATH_MAX]; 43694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 43794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t codesize = 0; 43894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t datasize = 0; 43994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t cachesize = 0; 44094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t asecsize = 0; 44194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 44294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the source apk as code -- but only if it's not 44394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * on the /system partition and its not on the sdcard. 44494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 44594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (validate_system_app_path(apkpath) && 44694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strncmp(apkpath, android_asec_dir.path, android_asec_dir.len) != 0) { 44794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(apkpath, &s) == 0) { 44894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 44994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 45094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 45194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the forward locked apk as code if it is given 45294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 45394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fwdlock_apkpath != NULL && fwdlock_apkpath[0] != '!') { 45494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(fwdlock_apkpath, &s) == 0) { 45594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 45694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 45794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 45894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* count the cached dexfile as code */ 4591b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (!create_cache_path(path, apkpath, instruction_set)) { 46094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(path, &s) == 0) { 46194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 46294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 46494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 46594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* add in size of any libraries */ 4668b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn if (libdirpath != NULL && libdirpath[0] != '!') { 4678b41780d73930b37b6254cc1dac5607c843839c0Dianne Hackborn d = opendir(libdirpath); 46894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d != NULL) { 46994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 47094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += calculate_dir_size(dfd); 47194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 47294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 47394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 47494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 47594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* compute asec size if it is given 47694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 47794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (asecpath != NULL && asecpath[0] != '!') { 47894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(asecpath, &s) == 0) { 47994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood asecsize += stat_size(&s); 48094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 483abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey if (create_pkg_path(path, pkgname, PKG_DIR_POSTFIX, userid)) { 48494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 48594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 48694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 48794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(path); 48894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 48994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 49094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 49194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 49294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 49394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* most stuff in the pkgdir is data, except for the "cache" 49494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * directory and below, which is cache, and the "lib" directory 49594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * and below, which is code... 49694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 49794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 49894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 49994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 50094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 50194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int subfd; 50294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t statsize = 0; 50394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t dirsize = 0; 50494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 50594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 50694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 50794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 50894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 50994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 51094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood statsize = stat_size(&s); 51194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY); 51394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd >= 0) { 51494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dirsize = calculate_dir_size(subfd); 51594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 51694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if(!strcmp(name,"lib")) { 51794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += dirsize + statsize; 51894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if(!strcmp(name,"cache")) { 51994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood cachesize += dirsize + statsize; 52094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 52194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += dirsize + statsize; 52294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 52394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (de->d_type == DT_LNK && !strcmp(name,"lib")) { 52494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // This is the symbolic link to the application's library 52594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // code. We'll count this as code instead of data, since 52694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // it is not something that the app creates. 52794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 52894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood codesize += stat_size(&s); 52994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 53194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) { 53294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood datasize += stat_size(&s); 53394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 53694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 53794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 53894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_codesize = codesize; 53994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_datasize = datasize; 54094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_cachesize = cachesize; 54194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *_asecsize = asecsize; 54294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 54394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 54494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 54594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5461b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamathint create_cache_path(char path[PKG_PATH_MAX], const char *src, const char *instruction_set) 54794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 54894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *tmp; 54994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srclen; 55094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstlen; 55194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 55294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srclen = strlen(src); 55394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 55494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* demand that we are an absolute path */ 55594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((src == 0) || (src[0] != '/') || strstr(src,"..")) { 55694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 55794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 55894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 55994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX? 56094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 56194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 56294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 563d93707342a61e66bc3eb2145628158452f577f42Dave Allison dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) + 5641b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(instruction_set) + 5651b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strlen(DALVIK_CACHE_POSTFIX) + 2; 566d93707342a61e66bc3eb2145628158452f577f42Dave Allison 56794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstlen > PKG_PATH_MAX) { 56894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 56994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 57094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5711b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(path,"%s%s/%s%s", 57294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_PREFIX, 5731b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath instruction_set, 57494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood src + 1, /* skip the leading / */ 57594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DALVIK_CACHE_POSTFIX); 576d93707342a61e66bc3eb2145628158452f577f42Dave Allison 5771b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath for(tmp = path + strlen(DALVIK_CACHE_PREFIX) + strlen(instruction_set) + 1; *tmp; tmp++) { 57894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (*tmp == '/') { 57994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *tmp = '@'; 58094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 58294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 58394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 58494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 58594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 58694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstatic void run_dexopt(int zip_fd, int odex_fd, const char* input_file_name, 5870ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom const char* output_file_name) 58894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 5890ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* platform-specific flags affecting optimization and verification */ 5900ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dexopt_flags[PROPERTY_VALUE_MAX]; 5910ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom property_get("dalvik.vm.dexopt-flags", dexopt_flags, ""); 5920ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dexopt-flags=%s\n", dexopt_flags); 5930ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 59494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const char* DEX_OPT_BIN = "/system/bin/dexopt"; 59594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 59694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char zip_num[MAX_INT_LEN]; 59794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char odex_num[MAX_INT_LEN]; 59894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 59994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(zip_num, "%d", zip_fd); 60094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sprintf(odex_num, "%d", odex_fd); 60194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6021705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX_OPT_BIN, input_file_name, output_file_name); 60394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood execl(DEX_OPT_BIN, DEX_OPT_BIN, "--zip", zip_num, odex_num, input_file_name, 60494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dexopt_flags, (char*) NULL); 60594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("execl(%s) failed: %s\n", DEX_OPT_BIN, strerror(errno)); 60694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 60794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6081705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstromstatic void run_dex2oat(int zip_fd, int oat_fd, const char* input_file_name, 6091b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char* output_file_name, const char *pkgname, const char *instruction_set) 6101705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom{ 6110ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom char dex2oat_flags[PROPERTY_VALUE_MAX]; 6120ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom property_get("dalvik.vm.dex2oat-flags", dex2oat_flags, ""); 6130ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom ALOGV("dalvik.vm.dex2oat-flags=%s\n", dex2oat_flags); 6140ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom 6151705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const char* DEX2OAT_BIN = "/system/bin/dex2oat"; 6161705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig 6171b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath static const unsigned int MAX_INSTRUCTION_SET_LEN = 32; 6181b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 6191b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) { 6201b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath ALOGE("Instruction set %s longer than max length of %d", 6211b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath instruction_set, MAX_INSTRUCTION_SET_LEN); 6221b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath return; 6231b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath } 6241b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath 6251705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_fd_arg[strlen("--zip-fd=") + MAX_INT_LEN]; 6261705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX]; 6271705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN]; 6281705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char oat_location_arg[strlen("--oat-name=") + PKG_PATH_MAX]; 6291b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath char profile_file_arg[strlen("--profile-file=") + PKG_PATH_MAX]; 6301b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN]; 6311705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 6321705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd); 6331705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(zip_location_arg, "--zip-location=%s", input_file_name); 6341705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd); 6351705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom sprintf(oat_location_arg, "--oat-location=%s", output_file_name); 6361b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set); 637d93707342a61e66bc3eb2145628158452f577f42Dave Allison if (strcmp(pkgname, "*") != 0) { 6381b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath snprintf(profile_file_arg, sizeof(profile_file_arg), "--profile-file=%s/%s", 639d93707342a61e66bc3eb2145628158452f577f42Dave Allison DALVIK_CACHE_PREFIX "profiles", pkgname); 640d93707342a61e66bc3eb2145628158452f577f42Dave Allison } else { 6411b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath strcpy(profile_file_arg, "--no-profile-file"); 642d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 6431705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 6441705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name); 6451705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom execl(DEX2OAT_BIN, DEX2OAT_BIN, 6461705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom zip_fd_arg, zip_location_arg, 6471705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom oat_fd_arg, oat_location_arg, 6481b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath profile_file_arg, instruction_set_arg, 6494bc054019d148444e0d0308e21ee26db53e43b72Anwar Ghuloum strlen(dex2oat_flags) > 0 ? dex2oat_flags : NULL, 6501705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom (char*) NULL); 6511705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("execl(%s) failed: %s\n", DEX2OAT_BIN, strerror(errno)); 6521705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom} 6531705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 65463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int wait_child(pid_t pid) 65594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 65694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int status; 65794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t got_pid; 65894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 65994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 66094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood got_pid = waitpid(pid, &status, 0); 66194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid == -1 && errno == EINTR) { 66294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood printf("waitpid interrupted, retrying\n"); 66394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 66494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 66594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 66694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 66794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (got_pid != pid) { 66894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("waitpid failed: wanted %d, got %d: %s\n", 66994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (int) pid, (int) got_pid, strerror(errno)); 67094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 67194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 67294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 67394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { 67494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 67594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 67694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return status; /* always nonzero */ 67794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 67894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 67994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 680d93707342a61e66bc3eb2145628158452f577f42Dave Allisonint dexopt(const char *apk_path, uid_t uid, int is_public, 6811b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath const char *pkgname, const char *instruction_set) 68294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 68394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct utimbuf ut; 68494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat apk_stat, dex_stat; 6851705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom char out_path[PKG_PATH_MAX]; 686e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom char persist_sys_dalvik_vm_lib[PROPERTY_VALUE_MAX]; 68794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *end; 6881705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom int res, zip_fd=-1, out_fd=-1; 68994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 69094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(apk_path) >= (PKG_PATH_MAX - 8)) { 69194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 69294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 69394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6940ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom /* The command to run depend on the value of persist.sys.dalvik.vm.lib */ 6950c05d3aca6d63625513d5f42706e81c2d7834fd9Brian Carlstrom property_get("persist.sys.dalvik.vm.lib.1", persist_sys_dalvik_vm_lib, "libdvm.so"); 6961705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 6971705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom /* Before anything else: is there a .odex file? If so, we have 6981705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom * precompiled the apk and there is nothing to do here. 6991705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom */ 7000e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(out_path, apk_path); 7010e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang end = strrchr(out_path, '.'); 7020e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang if (end != NULL) { 7030e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang strcpy(end, ".odex"); 7040e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang if (stat(out_path, &dex_stat) == 0) { 7050e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang return 0; 7060e8ae16f084e3d4772ea6dd33a9b72925d7b40d5Chih-Wei Huang } 70794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 70894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 7091b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath if (create_cache_path(out_path, apk_path, instruction_set)) { 71094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 71194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 71294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 71394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&apk_stat, 0, sizeof(apk_stat)); 71494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood stat(apk_path, &apk_stat); 71594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 71694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood zip_fd = open(apk_path, O_RDONLY, 0); 71794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (zip_fd < 0) { 7181705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot open '%s' for input during dexopt\n", apk_path); 71994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 72094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 72194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 7221705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 7231705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom out_fd = open(out_path, O_RDWR | O_CREAT | O_EXCL, 0644); 7241705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd < 0) { 7251705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot open '%s' for output during dexopt\n", out_path); 72694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 72794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7281705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchmod(out_fd, 72994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood S_IRUSR|S_IWUSR|S_IRGRP | 73094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood (is_public ? S_IROTH : 0)) < 0) { 7311705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chmod '%s' during dexopt\n", out_path); 73294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 73394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7341705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (fchown(out_fd, AID_SYSTEM, uid) < 0) { 7351705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("installd cannot chown '%s' during dexopt\n", out_path); 73694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 73794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 73894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 739d93707342a61e66bc3eb2145628158452f577f42Dave Allison // Create profile file if there is a package name present. 740d93707342a61e66bc3eb2145628158452f577f42Dave Allison if (strcmp(pkgname, "*") != 0) { 741d93707342a61e66bc3eb2145628158452f577f42Dave Allison create_profile_file(pkgname, uid); 742d93707342a61e66bc3eb2145628158452f577f42Dave Allison } 743d93707342a61e66bc3eb2145628158452f577f42Dave Allison 744d93707342a61e66bc3eb2145628158452f577f42Dave Allison 74594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("DexInv: --- BEGIN '%s' ---\n", apk_path); 74694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 74794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid; 74894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid = fork(); 74994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (pid == 0) { 75094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* child -- drop privileges before continuing */ 75194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setgid(uid) != 0) { 7521705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setgid(%d) failed in installd during dexopt\n", uid); 75394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(64); 75494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 75594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (setuid(uid) != 0) { 7561705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("setuid(%d) failed in installd during dexopt\n", uid); 75794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(65); 75894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 75994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // drop capabilities 76094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_header_struct capheader; 76194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct __user_cap_data_struct capdata[2]; 76294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capheader, 0, sizeof(capheader)); 76394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memset(&capdata, 0, sizeof(capdata)); 76494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood capheader.version = _LINUX_CAPABILITY_VERSION_3; 76594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (capset(&capheader, &capdata[0]) < 0) { 76694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("capset failed: %s\n", strerror(errno)); 76794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(66); 76894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7691705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (flock(out_fd, LOCK_EX | LOCK_NB) != 0) { 7701705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom ALOGE("flock(%s) failed: %s\n", out_path, strerror(errno)); 77194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(67); 77294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 77394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 774e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom if (strncmp(persist_sys_dalvik_vm_lib, "libdvm", 6) == 0) { 7750ae8e39ebcc26836ba55a5ee4481825a0f473a9eBrian Carlstrom run_dexopt(zip_fd, out_fd, apk_path, out_path); 776e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom } else if (strncmp(persist_sys_dalvik_vm_lib, "libart", 6) == 0) { 7771b4003207750ea8fe8c7b03eb32d80f1df83979eNarayan Kamath run_dex2oat(zip_fd, out_fd, apk_path, out_path, pkgname, instruction_set); 7781705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } else { 779e7a8b17e37ef359567fbbd9beb8c2445494f6402Brian Carlstrom exit(69); /* Unexpected persist.sys.dalvik.vm.lib value */ 7801705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom } 78194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood exit(68); /* only get here on exec failure */ 78294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 78363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad res = wait_child(pid); 78463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (res == 0) { 78563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGV("DexInv: --- END '%s' (success) ---\n", apk_path); 78663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 78763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("DexInv: --- END '%s' --- status=0x%04x, process failed\n", apk_path, res); 78894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto fail; 78994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 79094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 79194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 79294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ut.actime = apk_stat.st_atime; 79394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ut.modtime = apk_stat.st_mtime; 7941705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom utime(out_path, &ut); 7951705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom 7961705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 79794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood close(zip_fd); 79894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 79994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 80094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodfail: 8011705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom if (out_fd >= 0) { 8021705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom close(out_fd); 8031705fc44fb85c4232637f9f7189c3bdca98a63d5Brian Carlstrom unlink(out_path); 80494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 80594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (zip_fd >= 0) { 80694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood close(zip_fd); 80794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 80894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 80994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 81094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 81194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid mkinnerdirs(char* path, int basepos, mode_t mode, int uid, int gid, 81294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat* statbuf) 81394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 81494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (path[basepos] != 0) { 81594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (path[basepos] == '/') { 81694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = 0; 81794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(path, statbuf) < 0) { 81894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Making directory: %s\n", path); 81994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (mkdir(path, mode) == 0) { 82094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood chown(path, uid, gid); 82194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 82294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to make directory %s: %s\n", path, strerror(errno)); 82394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 82494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 82594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood path[basepos] = '/'; 82694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 82794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 82894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood basepos++; 82994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 83094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 83194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 83294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefileordir(char* srcpath, char* dstpath, int dstbasepos, 83394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid, int dstgid, struct stat* statbuf) 83494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 83594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 83694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 83794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int res; 83894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 83994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int srcend = strlen(srcpath); 84094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstend = strlen(dstpath); 841d93707342a61e66bc3eb2145628158452f577f42Dave Allison 84294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, statbuf) < 0) { 84394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to stat %s: %s\n", srcpath, strerror(errno)); 84494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 84594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 846d93707342a61e66bc3eb2145628158452f577f42Dave Allison 84794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((statbuf->st_mode&S_IFDIR) == 0) { 84894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood mkinnerdirs(dstpath, dstbasepos, S_IRWXU|S_IRWXG|S_IXOTH, 84994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, statbuf); 85094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Renaming %s to %s (uid %d)\n", srcpath, dstpath, dstuid); 85194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (rename(srcpath, dstpath) >= 0) { 85294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(dstpath, dstuid, dstgid) < 0) { 85394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot chown %s: %s\n", dstpath, strerror(errno)); 85494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unlink(dstpath); 85594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 85694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 85794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 85894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to rename %s to %s: %s\n", 85994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath, dstpath, strerror(errno)); 86094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 86194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 86394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 86494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 86594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(srcpath); 86694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 86794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to opendir %s: %s\n", srcpath, strerror(errno)); 86894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 86994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 87094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 87194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 0; 872d93707342a61e66bc3eb2145628158452f577f42Dave Allison 87394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 87494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 87594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* always skip "." and ".." */ 87694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[0] == '.') { 87794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (name[1] == 0) continue; 87894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((name[1] == '.') && (name[2] == 0)) continue; 87994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 880d93707342a61e66bc3eb2145628158452f577f42Dave Allison 88194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((srcend+strlen(name)) >= (PKG_PATH_MAX-2)) { 88294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Source path too long; skipping: %s/%s\n", srcpath, name); 88394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 88494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 885d93707342a61e66bc3eb2145628158452f577f42Dave Allison 88694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((dstend+strlen(name)) >= (PKG_PATH_MAX-2)) { 88794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Destination path too long; skipping: %s/%s\n", dstpath, name); 88894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 88994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 890d93707342a61e66bc3eb2145628158452f577f42Dave Allison 89194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = '/'; 89294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpath+srcend+1, name); 89394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpath+dstend+1, name); 894d93707342a61e66bc3eb2145628158452f577f42Dave Allison 89594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (movefileordir(srcpath, dstpath, dstbasepos, dstuid, dstgid, statbuf) != 0) { 89694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood res = 1; 89794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 898d93707342a61e66bc3eb2145628158452f577f42Dave Allison 89994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Note: we will be leaving empty directories behind in srcpath, 90094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // but that is okay, the package manager will be erasing all of the 90194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // data associated with .apks that disappear. 902d93707342a61e66bc3eb2145628158452f577f42Dave Allison 90394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpath[srcend] = dstpath[dstend] = 0; 90494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 905d93707342a61e66bc3eb2145628158452f577f42Dave Allison 90694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 90794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return res; 90894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 90994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 91094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint movefiles() 91194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 91294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DIR *d; 91394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dfd, subfd; 91494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct dirent *de; 91594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s; 91694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char buf[PKG_PATH_MAX+1]; 91794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int bufp, bufe, bufi, readlen; 91894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 91994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpkg[PKG_NAME_MAX]; 92094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpkg[PKG_NAME_MAX]; 92194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char srcpath[PKG_PATH_MAX]; 92294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char dstpath[PKG_PATH_MAX]; 92394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int dstuid=-1, dstgid=-1; 92494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int hasspace; 92594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 92694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood d = opendir(UPDATE_COMMANDS_DIR_PREFIX); 92794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (d == NULL) { 92894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto done; 92994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 93094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dfd = dirfd(d); 93194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 93294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood /* Iterate through all files in the directory, executing the 93394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * file movements requested there-in. 93494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 93594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((de = readdir(d))) { 93694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name = de->d_name; 93794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 93894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (de->d_type == DT_DIR) { 93994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 94094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 94194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood subfd = openat(dfd, name, O_RDONLY); 94294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (subfd < 0) { 94394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Unable to open update commands at %s%s\n", 94494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name); 94594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood continue; 94694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 947d93707342a61e66bc3eb2145628158452f577f42Dave Allison 94894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 94994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe = 0; 95094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[PKG_PATH_MAX] = 0; 95194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 95294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (1) { 95394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi = bufp; 95494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufi < bufe && buf[bufi] != '\n') { 95594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufi++; 95694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 95794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufi < bufe) { 95894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufi] = 0; 95994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Processing line: %s\n", buf+bufp); 96094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 0; 96194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (bufp < bufi && isspace(buf[bufp])) { 96294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood hasspace = 1; 96394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp++; 96494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 96594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (buf[bufp] == '#' || bufp == bufi) { 96694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // skip comments and empty lines. 96794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (hasspace) { 96894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (dstpkg[0] == 0) { 96994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Path before package line in %s%s: %s\n", 97094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 97194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (srcpkg[0] == 0) { 97294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Skip -- source package no longer exists. 97394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 97494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Move file: %s (from %s to %s)\n", buf+bufp, srcpkg, dstpkg); 97594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_move_path(srcpath, srcpkg, buf+bufp, 0) && 97694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood !create_move_path(dstpath, dstpkg, buf+bufp, 0)) { 97794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood movefileordir(srcpath, dstpath, 97894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strlen(dstpath)-strlen(buf+bufp), 97994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid, dstgid, &s); 98094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 98194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 98294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 98394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char* div = strchr(buf+bufp, ':'); 98494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (div == NULL) { 98594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Bad package spec in %s%s; no ':' sep: %s\n", 98694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 98794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 98894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *div = 0; 98994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div++; 99094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(buf+bufp) < PKG_NAME_MAX) { 99194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(dstpkg, buf+bufp); 99294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 99394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 99494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 99594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp); 99694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 99794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (strlen(div) < PKG_NAME_MAX) { 99894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strcpy(srcpkg, div); 99994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 100094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = dstpkg[0] = 0; 100194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Package name too long in %s%s: %s\n", 100294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, div); 100394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 100494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 100594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(srcpath, srcpkg, PKG_DIR_POSTFIX, 0)) { 100694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(srcpath, &s) < 0) { 100794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Package no longer exists -- skip. 100894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 100994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 101094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 101194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 101294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 101394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 101494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 101594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (srcpkg[0] != 0) { 101694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!create_pkg_path(dstpath, dstpkg, PKG_DIR_POSTFIX, 0)) { 101794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(dstpath, &s) == 0) { 101894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstuid = s.st_uid; 101994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood dstgid = s.st_gid; 102094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 102194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Destination package doesn't 102294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // exist... due to original-package, 102394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // this is normal, so don't be 102494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // noisy about it. 102594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 102694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 102794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 102894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg[0] = 0; 102994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Can't create path %s in %s%s\n", 103094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood div, UPDATE_COMMANDS_DIR_PREFIX, name); 103194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Transfering from %s to %s: uid=%d\n", 103494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood srcpkg, dstpkg, dstuid); 103594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 103894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = bufi+1; 103994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 104094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp == 0) { 104194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (bufp < bufe) { 104294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Line too long in %s%s, skipping: %s\n", 104394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, buf); 104494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 104594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (bufp < bufe) { 104694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memcpy(buf, buf+bufp, bufe-bufp); 104794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe -= bufp; 104894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufp = 0; 104994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 105094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood readlen = read(subfd, buf+bufe, PKG_PATH_MAX-bufe); 105194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (readlen < 0) { 105294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGW("Failure reading update commands in %s%s: %s\n", 105394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood UPDATE_COMMANDS_DIR_PREFIX, name, strerror(errno)); 105494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 105594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (readlen == 0) { 105694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 105794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 105894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bufe += readlen; 105994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood buf[bufe] = 0; 106094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGV("Read buf: %s\n", buf); 106194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood close(subfd); 106494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 106694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood closedir(d); 106794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooddone: 106894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 106994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 107094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 107194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint linklib(const char* pkgname, const char* asecLibDir, int userId) 107294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 107394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char pkgdir[PKG_PATH_MAX]; 107494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char libsymlink[PKG_PATH_MAX]; 107594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct stat s, libStat; 107694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int rc = 0; 107794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 107894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userId)) { 107994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package path\n"); 108094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 108194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 108294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userId)) { 108394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot create package lib symlink origin path\n"); 108494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 108594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 108694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 108794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (stat(pkgdir, &s) < 0) return -1; 108894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 108994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, AID_INSTALL, AID_INSTALL) < 0) { 109094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s': %s\n", pkgdir, strerror(errno)); 109194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 109294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 109394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 109494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, 0700) < 0) { 109594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 1: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 109694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 109794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 109894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 109994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 110094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (lstat(libsymlink, &libStat) < 0) { 110194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (errno != ENOENT) { 110294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't stat lib dir: %s\n", strerror(errno)); 110394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 110494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 110594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 110694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 110794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (S_ISDIR(libStat.st_mode)) { 110894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (delete_dir_contents(libsymlink, 1, 0) < 0) { 110994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 111094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 111194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 111294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else if (S_ISLNK(libStat.st_mode)) { 111394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (unlink(libsymlink) < 0) { 111494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't unlink lib dir: %s\n", strerror(errno)); 111594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -1; 111694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 111794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 111894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 111994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 112094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 112194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (symlink(asecLibDir, libsymlink) < 0) { 112294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, asecLibDir, 112394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strerror(errno)); 112494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 112594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood goto out; 112694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 112794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 112894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodout: 112994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chmod(pkgdir, s.st_mode) < 0) { 113094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("linklib() 2: failed to chmod '%s': %s\n", pkgdir, strerror(errno)); 113194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood rc = -errno; 113294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 113394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (chown(pkgdir, s.st_uid, s.st_gid) < 0) { 113594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("failed to chown '%s' : %s\n", pkgdir, strerror(errno)); 113694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -errno; 113794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 113894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 113994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return rc; 114094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 114163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 114263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic void run_idmap(const char *target_apk, const char *overlay_apk, int idmap_fd) 114363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 114463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const char *IDMAP_BIN = "/system/bin/idmap"; 114563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad static const size_t MAX_INT_LEN = 32; 114663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_str[MAX_INT_LEN]; 114763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 114863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_str, sizeof(idmap_str), "%d", idmap_fd); 114963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 115063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad execl(IDMAP_BIN, IDMAP_BIN, "--fd", target_apk, overlay_apk, idmap_str, (char*)NULL); 115163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("execl(%s) failed: %s\n", IDMAP_BIN, strerror(errno)); 115263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 115363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 115463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// Transform string /a/b/c.apk to (prefix)/a@b@c.apk@(suffix) 115563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad// eg /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap 115663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadstatic int flatten_path(const char *prefix, const char *suffix, 115763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const char *overlay_path, char *idmap_path, size_t N) 115863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 115963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (overlay_path == NULL || idmap_path == NULL) { 116063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 116163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 116263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_overlay_path = strlen(overlay_path); 116363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // will access overlay_path + 1 further below; requires absolute path 116463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (len_overlay_path < 2 || *overlay_path != '/') { 116563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 116663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 116763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_idmap_root = strlen(prefix); 116863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad const size_t len_suffix = strlen(suffix); 116963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (SIZE_MAX - len_idmap_root < len_overlay_path || 117063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad SIZE_MAX - (len_idmap_root + len_overlay_path) < len_suffix) { 117163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad // additions below would cause overflow 117263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 117363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 117463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (N < len_idmap_root + len_overlay_path + len_suffix) { 117563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 117663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 117763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad memset(idmap_path, 0, N); 117863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad snprintf(idmap_path, N, "%s%s%s", prefix, overlay_path + 1, suffix); 117963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char *ch = idmap_path + len_idmap_root; 118063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad while (*ch != '\0') { 118163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (*ch == '/') { 118263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad *ch = '@'; 118363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 118463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ++ch; 118563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 118663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 118763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 118863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 118963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadint idmap(const char *target_apk, const char *overlay_apk, uid_t uid) 119063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad{ 119163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGV("idmap target_apk=%s overlay_apk=%s uid=%d\n", target_apk, overlay_apk, uid); 119263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 119363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int idmap_fd = -1; 119463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad char idmap_path[PATH_MAX]; 119563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 119663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flatten_path(IDMAP_PREFIX, IDMAP_SUFFIX, overlay_apk, 119763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_path, sizeof(idmap_path)) == -1) { 119863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot generate idmap path for overlay %s\n", overlay_apk); 119963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 120063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 120163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 120263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 120363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad idmap_fd = open(idmap_path, O_RDWR | O_CREAT | O_EXCL, 0644); 120463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd < 0) { 120563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot open '%s' for output: %s\n", idmap_path, strerror(errno)); 120663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 120763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 120863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchown(idmap_fd, AID_SYSTEM, uid) < 0) { 120963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chown '%s'\n", idmap_path); 121063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 121163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 121263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (fchmod(idmap_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0) { 121363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap cannot chmod '%s'\n", idmap_path); 121463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 121563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 121663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 121763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid_t pid; 121863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad pid = fork(); 121963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (pid == 0) { 122063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad /* child -- drop privileges before continuing */ 122163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setgid(uid) != 0) { 122263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setgid(%d) failed during idmap\n", uid); 122363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 122463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 122563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (setuid(uid) != 0) { 122663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("setuid(%d) failed during idmap\n", uid); 122763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 122863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 122963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (flock(idmap_fd, LOCK_EX | LOCK_NB) != 0) { 123063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("flock(%s) failed during idmap: %s\n", idmap_path, strerror(errno)); 123163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); 123263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 123363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 123463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad run_idmap(target_apk, overlay_apk, idmap_fd); 123563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad exit(1); /* only if exec call to idmap failed */ 123663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } else { 123763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad int status = wait_child(pid); 123863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (status != 0) { 123963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad ALOGE("idmap failed, status=0x%04x\n", status); 124063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad goto fail; 124163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 124263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 124363568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad 124463568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 124563568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return 0; 124663568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstadfail: 124763568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad if (idmap_fd >= 0) { 124863568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad close(idmap_fd); 124963568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad unlink(idmap_path); 125063568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad } 125163568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad return -1; 125263568b1430d741f40ca008391c854ef1cc880138MÃ¥rten Kongstad} 1253e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1254da30dc7336f03ca629fe173db1425fdce989119cRobert Craigint restorecon_data(const char* pkgName, const char* seinfo, uid_t uid) 1255e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig{ 1256da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct dirent *entry; 1257da30dc7336f03ca629fe173db1425fdce989119cRobert Craig DIR *d; 1258da30dc7336f03ca629fe173db1425fdce989119cRobert Craig struct stat s; 1259da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *userdir; 1260da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *primarydir; 1261da30dc7336f03ca629fe173db1425fdce989119cRobert Craig char *pkgdir; 1262da30dc7336f03ca629fe173db1425fdce989119cRobert Craig int ret = 0; 1263e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1264da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // SELINUX_ANDROID_RESTORECON_DATADATA flag is set by libselinux. Not needed here. 1265da30dc7336f03ca629fe173db1425fdce989119cRobert Craig unsigned int flags = SELINUX_ANDROID_RESTORECON_RECURSE; 1266e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1267da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!pkgName || !seinfo) { 1268da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Package name or seinfo tag is null when trying to restorecon."); 1269da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1270da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1271e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1272da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&primarydir, "%s%s%s", android_data_dir.path, PRIMARY_USER_PREFIX, pkgName) < 0) { 1273e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return -1; 1274e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1275e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1276da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel for primary user. 1277da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(primarydir, seinfo, uid, flags) < 0) { 1278da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", primarydir, strerror(errno)); 1279e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig ret |= -1; 1280e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1281e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1282da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&userdir, "%s%s", android_data_dir.path, SECONDARY_USER_PREFIX) < 0) { 1283da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1284da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1285e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig } 1286e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig 1287da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Relabel package directory for all secondary users. 1288da30dc7336f03ca629fe173db1425fdce989119cRobert Craig d = opendir(userdir); 1289da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (d == NULL) { 1290da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1291da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1292da30dc7336f03ca629fe173db1425fdce989119cRobert Craig return -1; 1293da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1294da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1295da30dc7336f03ca629fe173db1425fdce989119cRobert Craig while ((entry = readdir(d))) { 1296da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (entry->d_type != DT_DIR) { 1297da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1298da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1299da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1300da30dc7336f03ca629fe173db1425fdce989119cRobert Craig const char *user = entry->d_name; 1301da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // Ignore "." and ".." 1302da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (!strcmp(user, ".") || !strcmp(user, "..")) { 1303da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1304da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1305da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1306da30dc7336f03ca629fe173db1425fdce989119cRobert Craig // user directories start with a number 1307da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (user[0] < '0' || user[0] > '9') { 1308da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("Expecting numbered directory during restorecon. Instead got '%s'.", user); 1309da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1310da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1311da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1312da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (asprintf(&pkgdir, "%s%s/%s", userdir, user, pkgName) < 0) { 1313da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1314da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1315da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1316da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (stat(pkgdir, &s) < 0) { 1317da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1318da30dc7336f03ca629fe173db1425fdce989119cRobert Craig continue; 1319da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1320da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1321da30dc7336f03ca629fe173db1425fdce989119cRobert Craig if (selinux_android_restorecon_pkgdir(pkgdir, seinfo, uid, flags) < 0) { 1322da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ALOGE("restorecon failed for %s: %s\n", pkgdir, strerror(errno)); 1323da30dc7336f03ca629fe173db1425fdce989119cRobert Craig ret |= -1; 1324da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1325da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(pkgdir); 1326da30dc7336f03ca629fe173db1425fdce989119cRobert Craig } 1327da30dc7336f03ca629fe173db1425fdce989119cRobert Craig 1328da30dc7336f03ca629fe173db1425fdce989119cRobert Craig closedir(d); 1329da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(primarydir); 1330da30dc7336f03ca629fe173db1425fdce989119cRobert Craig free(userdir); 1331e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig return ret; 1332e9887e46cea4a095e4219927eadbe4c57bb1a5eeRobert Craig} 1333