int make_user_data(const char *pkgname, uid_t uid, userid_t userid)
{
char pkgdir[PKG_PATH_MAX];
char applibdir[PKG_PATH_MAX];
char libsymlink[PKG_PATH_MAX];
struct stat libStat;
// Create the data dir for the package
if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid)) {
return -1;
}
if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userid)) {
ALOGE("cannot create package lib symlink origin path\n");
return -1;
}
if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) {
ALOGE("cannot create package lib symlink dest path\n");
return -1;
}
if (mkdir(pkgdir, 0751) < 0) {
ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno));
return -errno;
}
if (chmod(pkgdir, 0751) < 0) {
ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno));
unlink(pkgdir);
return -errno;
}
if (lstat(libsymlink, &libStat) < 0) {
if (errno != ENOENT) {
ALOGE("couldn't stat lib dir for non-primary: %s\n", strerror(errno));
unlink(pkgdir);
return -1;
}
} else {
if (S_ISDIR(libStat.st_mode)) {
if (delete_dir_contents(libsymlink, 1, 0) < 0) {
ALOGE("couldn't delete lib directory during install for non-primary: %s",
libsymlink);
unlink(pkgdir);
return -1;
}
} else if (S_ISLNK(libStat.st_mode)) {
if (unlink(libsymlink) < 0) {
ALOGE("couldn't unlink lib directory during install for non-primary: %s",
libsymlink);
unlink(pkgdir);
return -1;
}
}
}
if (symlink(applibdir, libsymlink) < 0) {
ALOGE("couldn't symlink directory for non-primary '%s' -> '%s': %s\n", libsymlink,
applibdir, strerror(errno));
unlink(pkgdir);
return -1;
}
if (selinux_android_setfilecon(pkgdir, pkgname, uid) < 0) {
ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno));
unlink(libsymlink);
unlink(pkgdir);
return -errno;
}
if (chown(pkgdir, uid, uid) < 0) {
ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno));
unlink(libsymlink);
unlink(pkgdir);
return -errno;
}
return 0;
}
int install(const char *pkgname, uid_t uid, gid_t gid)
{
char pkgdir[PKG_PATH_MAX];
char libsymlink[PKG_PATH_MAX];
char applibdir[PKG_PATH_MAX];
struct stat libStat;
if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) {
ALOGE("invalid uid/gid: %d %d\n", uid, gid);
return -1;
}
if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, 0)) {
ALOGE("cannot create package path\n");
return -1;
}
if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, 0)) {
ALOGE("cannot create package lib symlink origin path\n");
return -1;
}
if (create_pkg_path_in_dir(applibdir, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) {
ALOGE("cannot create package lib symlink dest path\n");
return -1;
}
if (mkdir(pkgdir, 0751) < 0) {
ALOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno));
return -1;
}
if (chmod(pkgdir, 0751) < 0) {
ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno));
unlink(pkgdir);
return -1;
}
if (lstat(libsymlink, &libStat) < 0) {
if (errno != ENOENT) {
ALOGE("couldn't stat lib dir: %s\n", strerror(errno));
return -1;
}
} else {
if (S_ISDIR(libStat.st_mode)) {
if (delete_dir_contents(libsymlink, 1, 0) < 0) {
ALOGE("couldn't delete lib directory during install for: %s", libsymlink);
return -1;
}
} else if (S_ISLNK(libStat.st_mode)) {
if (unlink(libsymlink) < 0) {
ALOGE("couldn't unlink lib directory during install for: %s", libsymlink);
return -1;
}
}
}
if (symlink(applibdir, libsymlink) < 0) {
ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, applibdir,
strerror(errno));
unlink(pkgdir);
return -1;
}
#ifdef HAVE_SELINUX
if (selinux_android_setfilecon(pkgdir, pkgname, uid) < 0) {
ALOGE("cannot setfilecon dir '%s': %s\n", pkgdir, strerror(errno));
unlink(libsymlink);
unlink(pkgdir);
return -1;
}
#endif
if (chown(pkgdir, uid, gid) < 0) {
ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno));
unlink(libsymlink);
unlink(pkgdir);
return -1;
}
return 0;
}
