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author Mike Lockwood <lockwood@google.com> 2012-10-24 10:43:42 -0700
committer Mike Lockwood <lockwood@google.com> 2012-10-24 10:43:42 -0700
commit6931061de6471e598d36e6c101ce9bb95036a80c (patch)
tree9c0a2d44af0e4c6299768aa84cc8b15372c3c87c /cmds/installd/commands.c
parente31e0f8c7c03b56a044ca9cfa155ea2745918136 (diff)
Move non-Java commands to frameworks/native
Change-Id: Id77c2cecb27cec500dfe066e4430f9e67802a433 Signed-off-by: Mike Lockwood <lockwood@google.com>
Diffstat (limited to 'cmds/installd/commands.c')
-rw-r--r--cmds/installd/commands.c1136
1 files changed, 0 insertions, 1136 deletions
diff --git a/cmds/installd/commands.c b/cmds/installd/commands.c
deleted file mode 100644
index 59bcda1b009b..000000000000
--- a/cmds/installd/commands.c
+++ /dev/null
@@ -1,1136 +0,0 @@
-/*
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#include <linux/capability.h>
-#include "installd.h"
-#include <diskusage/dirsize.h>
-#include <selinux/android.h>
-
-/* Directory records that are used in execution of commands. */
-dir_rec_t android_data_dir;
-dir_rec_t android_asec_dir;
-dir_rec_t android_app_dir;
-dir_rec_t android_app_private_dir;
-dir_rec_t android_app_lib_dir;
-dir_rec_t android_media_dir;
-dir_rec_array_t android_system_dirs;
-
-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;
- }
-
- if (selinux_android_setfilecon(libsymlink, pkgname, AID_SYSTEM) < 0) {
- ALOGE("cannot setfilecon dir '%s': %s\n", libsymlink, strerror(errno));
- unlink(libsymlink);
- 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, gid) < 0) {
- ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno));
- unlink(libsymlink);
- unlink(pkgdir);
- return -1;
- }
-
- return 0;
-}
-
-int uninstall(const char *pkgname, uid_t persona)
-{
- char pkgdir[PKG_PATH_MAX];
-
- if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, persona))
- return -1;
-
- /* delete contents AND directory, no exceptions */
- return delete_dir_contents(pkgdir, 1, NULL);
-}
-
-int renamepkg(const char *oldpkgname, const char *newpkgname)
-{
- char oldpkgdir[PKG_PATH_MAX];
- char newpkgdir[PKG_PATH_MAX];
-
- if (create_pkg_path(oldpkgdir, oldpkgname, PKG_DIR_POSTFIX, 0))
- return -1;
- if (create_pkg_path(newpkgdir, newpkgname, PKG_DIR_POSTFIX, 0))
- return -1;
-
- if (rename(oldpkgdir, newpkgdir) < 0) {
- ALOGE("cannot rename dir '%s' to '%s': %s\n", oldpkgdir, newpkgdir, strerror(errno));
- return -errno;
- }
- return 0;
-}
-
-int fix_uid(const char *pkgname, uid_t uid, gid_t gid)
-{
- char pkgdir[PKG_PATH_MAX];
- struct stat s;
- int rc = 0;
-
- 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 (stat(pkgdir, &s) < 0) return -1;
-
- if (s.st_uid != 0 || s.st_gid != 0) {
- ALOGE("fixing uid of non-root pkg: %s %lu %lu\n", pkgdir, s.st_uid, s.st_gid);
- return -1;
- }
-
- if (chmod(pkgdir, 0751) < 0) {
- ALOGE("cannot chmod dir '%s': %s\n", pkgdir, strerror(errno));
- unlink(pkgdir);
- return -errno;
- }
- if (chown(pkgdir, uid, gid) < 0) {
- ALOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno));
- unlink(pkgdir);
- return -errno;
- }
-
- return 0;
-}
-
-int delete_user_data(const char *pkgname, uid_t persona)
-{
- char pkgdir[PKG_PATH_MAX];
-
- if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, persona))
- return -1;
-
- /* delete contents, excluding "lib", but not the directory itself */
- return delete_dir_contents(pkgdir, 0, "lib");
-}
-
-int make_user_data(const char *pkgname, uid_t uid, uid_t persona)
-{
- 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, persona)) {
- return -1;
- }
- if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, persona)) {
- 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(libsymlink, pkgname, AID_SYSTEM) < 0) {
- ALOGE("cannot setfilecon dir '%s': %s\n", libsymlink, strerror(errno));
- unlink(libsymlink);
- unlink(pkgdir);
- return -errno;
- }
-
- 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 delete_persona(uid_t persona)
-{
- char data_path[PKG_PATH_MAX];
- if (create_persona_path(data_path, persona)) {
- return -1;
- }
- if (delete_dir_contents(data_path, 1, NULL)) {
- return -1;
- }
-
- char media_path[PATH_MAX];
- if (create_persona_media_path(media_path, (userid_t) persona) == -1) {
- return -1;
- }
- if (delete_dir_contents(media_path, 1, NULL) == -1) {
- return -1;
- }
-
- return 0;
-}
-
-int clone_persona_data(uid_t src_persona, uid_t target_persona, int copy)
-{
- char src_data_dir[PKG_PATH_MAX];
- char pkg_path[PKG_PATH_MAX];
- DIR *d;
- struct dirent *de;
- struct stat s;
- uid_t uid;
-
- if (create_persona_path(src_data_dir, src_persona)) {
- return -1;
- }
-
- d = opendir(src_data_dir);
- if (d != NULL) {
- while ((de = readdir(d))) {
- const char *name = de->d_name;
-
- if (de->d_type == DT_DIR) {
- int subfd;
- /* always skip "." and ".." */
- if (name[0] == '.') {
- if (name[1] == 0) continue;
- if ((name[1] == '.') && (name[2] == 0)) continue;
- }
- /* Create the full path to the package's data dir */
- create_pkg_path(pkg_path, name, PKG_DIR_POSTFIX, src_persona);
- /* Get the file stat */
- if (stat(pkg_path, &s) < 0) continue;
- /* Get the uid of the package */
- ALOGI("Adding datadir for uid = %lu\n", s.st_uid);
- uid = (uid_t) s.st_uid % PER_USER_RANGE;
- /* Create the directory for the target */
- make_user_data(name, uid + target_persona * PER_USER_RANGE,
- target_persona);
- }
- }
- closedir(d);
- }
-
- if (ensure_media_user_dirs((userid_t) target_persona) == -1) {
- return -1;
- }
-
- return 0;
-}
-
-int delete_cache(const char *pkgname, uid_t persona)
-{
- char cachedir[PKG_PATH_MAX];
-
- if (create_pkg_path(cachedir, pkgname, CACHE_DIR_POSTFIX, persona))
- return -1;
-
- /* delete contents, not the directory, no exceptions */
- return delete_dir_contents(cachedir, 0, 0);
-}
-
-/* Try to ensure free_size bytes of storage are available.
- * Returns 0 on success.
- * This is rather simple-minded because doing a full LRU would
- * be potentially memory-intensive, and without atime it would
- * also require that apps constantly modify file metadata even
- * when just reading from the cache, which is pretty awful.
- */
-int free_cache(int64_t free_size)
-{
- cache_t* cache;
- int64_t avail;
- DIR *d;
- struct dirent *de;
- char tmpdir[PATH_MAX];
- char *dirpos;
-
- avail = data_disk_free();
- if (avail < 0) return -1;
-
- ALOGI("free_cache(%" PRId64 ") avail %" PRId64 "\n", free_size, avail);
- if (avail >= free_size) return 0;
-
- cache = start_cache_collection();
-
- // Collect cache files for primary user.
- if (create_persona_path(tmpdir, 0) == 0) {
- //ALOGI("adding cache files from %s\n", tmpdir);
- add_cache_files(cache, tmpdir, "cache");
- }
-
- // Search for other users and add any cache files from them.
- snprintf(tmpdir, sizeof(tmpdir), "%s%s", android_data_dir.path,
- SECONDARY_USER_PREFIX);
- dirpos = tmpdir + strlen(tmpdir);
- d = opendir(tmpdir);
- if (d != NULL) {
- while ((de = readdir(d))) {
- if (de->d_type == DT_DIR) {
- const char *name = de->d_name;
- /* always skip "." and ".." */
- if (name[0] == '.') {
- if (name[1] == 0) continue;
- if ((name[1] == '.') && (name[2] == 0)) continue;
- }
- if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) {
- strcpy(dirpos, name);
- //ALOGI("adding cache files from %s\n", tmpdir);
- add_cache_files(cache, tmpdir, "cache");
- } else {
- ALOGW("Path exceeds limit: %s%s", tmpdir, name);
- }
- }
- }
- closedir(d);
- }
-
- // Collect cache files on external storage for all users (if it is mounted as part
- // of the internal storage).
- strcpy(tmpdir, android_media_dir.path);
- dirpos = tmpdir + strlen(tmpdir);
- d = opendir(tmpdir);
- if (d != NULL) {
- while ((de = readdir(d))) {
- if (de->d_type == DT_DIR) {
- const char *name = de->d_name;
- /* skip any dir that doesn't start with a number, so not a user */
- if (name[0] < '0' || name[0] > '9') {
- continue;
- }
- if ((strlen(name)+(dirpos-tmpdir)) < (sizeof(tmpdir)-1)) {
- strcpy(dirpos, name);
- if (lookup_media_dir(tmpdir, "Android") == 0
- && lookup_media_dir(tmpdir, "data") == 0) {
- //ALOGI("adding cache files from %s\n", tmpdir);
- add_cache_files(cache, tmpdir, "cache");
- }
- } else {
- ALOGW("Path exceeds limit: %s%s", tmpdir, name);
- }
- }
- }
- closedir(d);
- }
-
- clear_cache_files(cache, free_size);
- finish_cache_collection(cache);
-
- return data_disk_free() >= free_size ? 0 : -1;
-}
-
-int move_dex(const char *src, const char *dst)
-{
- char src_dex[PKG_PATH_MAX];
- char dst_dex[PKG_PATH_MAX];
-
- if (validate_apk_path(src)) return -1;
- if (validate_apk_path(dst)) return -1;
-
- if (create_cache_path(src_dex, src)) return -1;
- if (create_cache_path(dst_dex, dst)) return -1;
-
- ALOGV("move %s -> %s\n", src_dex, dst_dex);
- if (rename(src_dex, dst_dex) < 0) {
- ALOGE("Couldn't move %s: %s\n", src_dex, strerror(errno));
- return -1;
- } else {
- return 0;
- }
-}
-
-int rm_dex(const char *path)
-{
- char dex_path[PKG_PATH_MAX];
-
- if (validate_apk_path(path)) return -1;
- if (create_cache_path(dex_path, path)) return -1;
-
- ALOGV("unlink %s\n", dex_path);
- if (unlink(dex_path) < 0) {
- ALOGE("Couldn't unlink %s: %s\n", dex_path, strerror(errno));
- return -1;
- } else {
- return 0;
- }
-}
-
-int get_size(const char *pkgname, int persona, const char *apkpath,
- const char *fwdlock_apkpath, const char *asecpath,
- int64_t *_codesize, int64_t *_datasize, int64_t *_cachesize,
- int64_t* _asecsize)
-{
- DIR *d;
- int dfd;
- struct dirent *de;
- struct stat s;
- char path[PKG_PATH_MAX];
-
- int64_t codesize = 0;
- int64_t datasize = 0;
- int64_t cachesize = 0;
- int64_t asecsize = 0;
-
- /* count the source apk as code -- but only if it's not
- * on the /system partition and its not on the sdcard.
- */
- if (validate_system_app_path(apkpath) &&
- strncmp(apkpath, android_asec_dir.path, android_asec_dir.len) != 0) {
- if (stat(apkpath, &s) == 0) {
- codesize += stat_size(&s);
- }
- }
- /* count the forward locked apk as code if it is given
- */
- if (fwdlock_apkpath != NULL && fwdlock_apkpath[0] != '!') {
- if (stat(fwdlock_apkpath, &s) == 0) {
- codesize += stat_size(&s);
- }
- }
- /* count the cached dexfile as code */
- if (!create_cache_path(path, apkpath)) {
- if (stat(path, &s) == 0) {
- codesize += stat_size(&s);
- }
- }
-
- /* add in size of any libraries */
- if (!create_pkg_path_in_dir(path, &android_app_lib_dir, pkgname, PKG_DIR_POSTFIX)) {
- d = opendir(path);
- if (d != NULL) {
- dfd = dirfd(d);
- codesize += calculate_dir_size(dfd);
- closedir(d);
- }
- }
-
- /* compute asec size if it is given
- */
- if (asecpath != NULL && asecpath[0] != '!') {
- if (stat(asecpath, &s) == 0) {
- asecsize += stat_size(&s);
- }
- }
-
- if (create_pkg_path(path, pkgname, PKG_DIR_POSTFIX, persona)) {
- goto done;
- }
-
- d = opendir(path);
- if (d == NULL) {
- goto done;
- }
- dfd = dirfd(d);
-
- /* most stuff in the pkgdir is data, except for the "cache"
- * directory and below, which is cache, and the "lib" directory
- * and below, which is code...
- */
- while ((de = readdir(d))) {
- const char *name = de->d_name;
-
- if (de->d_type == DT_DIR) {
- int subfd;
- int64_t statsize = 0;
- int64_t dirsize = 0;
- /* always skip "." and ".." */
- if (name[0] == '.') {
- if (name[1] == 0) continue;
- if ((name[1] == '.') && (name[2] == 0)) continue;
- }
- if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) {
- statsize = stat_size(&s);
- }
- subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
- if (subfd >= 0) {
- dirsize = calculate_dir_size(subfd);
- }
- if(!strcmp(name,"lib")) {
- codesize += dirsize + statsize;
- } else if(!strcmp(name,"cache")) {
- cachesize += dirsize + statsize;
- } else {
- datasize += dirsize + statsize;
- }
- } else if (de->d_type == DT_LNK && !strcmp(name,"lib")) {
- // This is the symbolic link to the application's library
- // code. We'll count this as code instead of data, since
- // it is not something that the app creates.
- if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) {
- codesize += stat_size(&s);
- }
- } else {
- if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) {
- datasize += stat_size(&s);
- }
- }
- }
- closedir(d);
-done:
- *_codesize = codesize;
- *_datasize = datasize;
- *_cachesize = cachesize;
- *_asecsize = asecsize;
- return 0;
-}
-
-
-/* a simpler version of dexOptGenerateCacheFileName() */
-int create_cache_path(char path[PKG_PATH_MAX], const char *src)
-{
- char *tmp;
- int srclen;
- int dstlen;
-
- srclen = strlen(src);
-
- /* demand that we are an absolute path */
- if ((src == 0) || (src[0] != '/') || strstr(src,"..")) {
- return -1;
- }
-
- if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX?
- return -1;
- }
-
- dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) +
- strlen(DALVIK_CACHE_POSTFIX) + 1;
-
- if (dstlen > PKG_PATH_MAX) {
- return -1;
- }
-
- sprintf(path,"%s%s%s",
- DALVIK_CACHE_PREFIX,
- src + 1, /* skip the leading / */
- DALVIK_CACHE_POSTFIX);
-
- for(tmp = path + strlen(DALVIK_CACHE_PREFIX); *tmp; tmp++) {
- if (*tmp == '/') {
- *tmp = '@';
- }
- }
-
- return 0;
-}
-
-static void run_dexopt(int zip_fd, int odex_fd, const char* input_file_name,
- const char* dexopt_flags)
-{
- static const char* DEX_OPT_BIN = "/system/bin/dexopt";
- static const int MAX_INT_LEN = 12; // '-'+10dig+'\0' -OR- 0x+8dig
- char zip_num[MAX_INT_LEN];
- char odex_num[MAX_INT_LEN];
-
- sprintf(zip_num, "%d", zip_fd);
- sprintf(odex_num, "%d", odex_fd);
-
- execl(DEX_OPT_BIN, DEX_OPT_BIN, "--zip", zip_num, odex_num, input_file_name,
- dexopt_flags, (char*) NULL);
- ALOGE("execl(%s) failed: %s\n", DEX_OPT_BIN, strerror(errno));
-}
-
-static int wait_dexopt(pid_t pid, const char* apk_path)
-{
- int status;
- pid_t got_pid;
-
- /*
- * Wait for the optimization process to finish.
- */
- while (1) {
- got_pid = waitpid(pid, &status, 0);
- if (got_pid == -1 && errno == EINTR) {
- printf("waitpid interrupted, retrying\n");
- } else {
- break;
- }
- }
- if (got_pid != pid) {
- ALOGW("waitpid failed: wanted %d, got %d: %s\n",
- (int) pid, (int) got_pid, strerror(errno));
- return 1;
- }
-
- if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
- ALOGV("DexInv: --- END '%s' (success) ---\n", apk_path);
- return 0;
- } else {
- ALOGW("DexInv: --- END '%s' --- status=0x%04x, process failed\n",
- apk_path, status);
- return status; /* always nonzero */
- }
-}
-
-int dexopt(const char *apk_path, uid_t uid, int is_public)
-{
- struct utimbuf ut;
- struct stat apk_stat, dex_stat;
- char dex_path[PKG_PATH_MAX];
- char dexopt_flags[PROPERTY_VALUE_MAX];
- char *end;
- int res, zip_fd=-1, odex_fd=-1;
-
- /* Before anything else: is there a .odex file? If so, we have
- * pre-optimized the apk and there is nothing to do here.
- */
- if (strlen(apk_path) >= (PKG_PATH_MAX - 8)) {
- return -1;
- }
-
- /* platform-specific flags affecting optimization and verification */
- property_get("dalvik.vm.dexopt-flags", dexopt_flags, "");
-
- strcpy(dex_path, apk_path);
- end = strrchr(dex_path, '.');
- if (end != NULL) {
- strcpy(end, ".odex");
- if (stat(dex_path, &dex_stat) == 0) {
- return 0;
- }
- }
-
- if (create_cache_path(dex_path, apk_path)) {
- return -1;
- }
-
- memset(&apk_stat, 0, sizeof(apk_stat));
- stat(apk_path, &apk_stat);
-
- zip_fd = open(apk_path, O_RDONLY, 0);
- if (zip_fd < 0) {
- ALOGE("dexopt cannot open '%s' for input\n", apk_path);
- return -1;
- }
-
- unlink(dex_path);
- odex_fd = open(dex_path, O_RDWR | O_CREAT | O_EXCL, 0644);
- if (odex_fd < 0) {
- ALOGE("dexopt cannot open '%s' for output\n", dex_path);
- goto fail;
- }
- if (fchmod(odex_fd,
- S_IRUSR|S_IWUSR|S_IRGRP |
- (is_public ? S_IROTH : 0)) < 0) {
- ALOGE("dexopt cannot chmod '%s'\n", dex_path);
- goto fail;
- }
- if (fchown(odex_fd, AID_SYSTEM, uid) < 0) {
- ALOGE("dexopt cannot chown '%s'\n", dex_path);
- goto fail;
- }
-
- ALOGV("DexInv: --- BEGIN '%s' ---\n", apk_path);
-
- pid_t pid;
- pid = fork();
- if (pid == 0) {
- /* child -- drop privileges before continuing */
- if (setgid(uid) != 0) {
- ALOGE("setgid(%d) failed during dexopt\n", uid);
- exit(64);
- }
- if (setuid(uid) != 0) {
- ALOGE("setuid(%d) during dexopt\n", uid);
- exit(65);
- }
- // drop capabilities
- struct __user_cap_header_struct capheader;
- struct __user_cap_data_struct capdata[2];
- memset(&capheader, 0, sizeof(capheader));
- memset(&capdata, 0, sizeof(capdata));
- capheader.version = _LINUX_CAPABILITY_VERSION_3;
- if (capset(&capheader, &capdata[0]) < 0) {
- ALOGE("capset failed: %s\n", strerror(errno));
- exit(66);
- }
- if (flock(odex_fd, LOCK_EX | LOCK_NB) != 0) {
- ALOGE("flock(%s) failed: %s\n", dex_path, strerror(errno));
- exit(67);
- }
-
- run_dexopt(zip_fd, odex_fd, apk_path, dexopt_flags);
- exit(68); /* only get here on exec failure */
- } else {
- res = wait_dexopt(pid, apk_path);
- if (res != 0) {
- ALOGE("dexopt failed on '%s' res = %d\n", dex_path, res);
- goto fail;
- }
- }
-
- ut.actime = apk_stat.st_atime;
- ut.modtime = apk_stat.st_mtime;
- utime(dex_path, &ut);
-
- close(odex_fd);
- close(zip_fd);
- return 0;
-
-fail:
- if (odex_fd >= 0) {
- close(odex_fd);
- unlink(dex_path);
- }
- if (zip_fd >= 0) {
- close(zip_fd);
- }
- return -1;
-}
-
-void mkinnerdirs(char* path, int basepos, mode_t mode, int uid, int gid,
- struct stat* statbuf)
-{
- while (path[basepos] != 0) {
- if (path[basepos] == '/') {
- path[basepos] = 0;
- if (lstat(path, statbuf) < 0) {
- ALOGV("Making directory: %s\n", path);
- if (mkdir(path, mode) == 0) {
- chown(path, uid, gid);
- } else {
- ALOGW("Unable to make directory %s: %s\n", path, strerror(errno));
- }
- }
- path[basepos] = '/';
- basepos++;
- }
- basepos++;
- }
-}
-
-int movefileordir(char* srcpath, char* dstpath, int dstbasepos,
- int dstuid, int dstgid, struct stat* statbuf)
-{
- DIR *d;
- struct dirent *de;
- int res;
-
- int srcend = strlen(srcpath);
- int dstend = strlen(dstpath);
-
- if (lstat(srcpath, statbuf) < 0) {
- ALOGW("Unable to stat %s: %s\n", srcpath, strerror(errno));
- return 1;
- }
-
- if ((statbuf->st_mode&S_IFDIR) == 0) {
- mkinnerdirs(dstpath, dstbasepos, S_IRWXU|S_IRWXG|S_IXOTH,
- dstuid, dstgid, statbuf);
- ALOGV("Renaming %s to %s (uid %d)\n", srcpath, dstpath, dstuid);
- if (rename(srcpath, dstpath) >= 0) {
- if (chown(dstpath, dstuid, dstgid) < 0) {
- ALOGE("cannot chown %s: %s\n", dstpath, strerror(errno));
- unlink(dstpath);
- return 1;
- }
- } else {
- ALOGW("Unable to rename %s to %s: %s\n",
- srcpath, dstpath, strerror(errno));
- return 1;
- }
- return 0;
- }
-
- d = opendir(srcpath);
- if (d == NULL) {
- ALOGW("Unable to opendir %s: %s\n", srcpath, strerror(errno));
- return 1;
- }
-
- res = 0;
-
- while ((de = readdir(d))) {
- const char *name = de->d_name;
- /* always skip "." and ".." */
- if (name[0] == '.') {
- if (name[1] == 0) continue;
- if ((name[1] == '.') && (name[2] == 0)) continue;
- }
-
- if ((srcend+strlen(name)) >= (PKG_PATH_MAX-2)) {
- ALOGW("Source path too long; skipping: %s/%s\n", srcpath, name);
- continue;
- }
-
- if ((dstend+strlen(name)) >= (PKG_PATH_MAX-2)) {
- ALOGW("Destination path too long; skipping: %s/%s\n", dstpath, name);
- continue;
- }
-
- srcpath[srcend] = dstpath[dstend] = '/';
- strcpy(srcpath+srcend+1, name);
- strcpy(dstpath+dstend+1, name);
-
- if (movefileordir(srcpath, dstpath, dstbasepos, dstuid, dstgid, statbuf) != 0) {
- res = 1;
- }
-
- // Note: we will be leaving empty directories behind in srcpath,
- // but that is okay, the package manager will be erasing all of the
- // data associated with .apks that disappear.
-
- srcpath[srcend] = dstpath[dstend] = 0;
- }
-
- closedir(d);
- return res;
-}
-
-int movefiles()
-{
- DIR *d;
- int dfd, subfd;
- struct dirent *de;
- struct stat s;
- char buf[PKG_PATH_MAX+1];
- int bufp, bufe, bufi, readlen;
-
- char srcpkg[PKG_NAME_MAX];
- char dstpkg[PKG_NAME_MAX];
- char srcpath[PKG_PATH_MAX];
- char dstpath[PKG_PATH_MAX];
- int dstuid=-1, dstgid=-1;
- int hasspace;
-
- d = opendir(UPDATE_COMMANDS_DIR_PREFIX);
- if (d == NULL) {
- goto done;
- }
- dfd = dirfd(d);
-
- /* Iterate through all files in the directory, executing the
- * file movements requested there-in.
- */
- while ((de = readdir(d))) {
- const char *name = de->d_name;
-
- if (de->d_type == DT_DIR) {
- continue;
- } else {
- subfd = openat(dfd, name, O_RDONLY);
- if (subfd < 0) {
- ALOGW("Unable to open update commands at %s%s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name);
- continue;
- }
-
- bufp = 0;
- bufe = 0;
- buf[PKG_PATH_MAX] = 0;
- srcpkg[0] = dstpkg[0] = 0;
- while (1) {
- bufi = bufp;
- while (bufi < bufe && buf[bufi] != '\n') {
- bufi++;
- }
- if (bufi < bufe) {
- buf[bufi] = 0;
- ALOGV("Processing line: %s\n", buf+bufp);
- hasspace = 0;
- while (bufp < bufi && isspace(buf[bufp])) {
- hasspace = 1;
- bufp++;
- }
- if (buf[bufp] == '#' || bufp == bufi) {
- // skip comments and empty lines.
- } else if (hasspace) {
- if (dstpkg[0] == 0) {
- ALOGW("Path before package line in %s%s: %s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp);
- } else if (srcpkg[0] == 0) {
- // Skip -- source package no longer exists.
- } else {
- ALOGV("Move file: %s (from %s to %s)\n", buf+bufp, srcpkg, dstpkg);
- if (!create_move_path(srcpath, srcpkg, buf+bufp, 0) &&
- !create_move_path(dstpath, dstpkg, buf+bufp, 0)) {
- movefileordir(srcpath, dstpath,
- strlen(dstpath)-strlen(buf+bufp),
- dstuid, dstgid, &s);
- }
- }
- } else {
- char* div = strchr(buf+bufp, ':');
- if (div == NULL) {
- ALOGW("Bad package spec in %s%s; no ':' sep: %s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp);
- } else {
- *div = 0;
- div++;
- if (strlen(buf+bufp) < PKG_NAME_MAX) {
- strcpy(dstpkg, buf+bufp);
- } else {
- srcpkg[0] = dstpkg[0] = 0;
- ALOGW("Package name too long in %s%s: %s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name, buf+bufp);
- }
- if (strlen(div) < PKG_NAME_MAX) {
- strcpy(srcpkg, div);
- } else {
- srcpkg[0] = dstpkg[0] = 0;
- ALOGW("Package name too long in %s%s: %s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name, div);
- }
- if (srcpkg[0] != 0) {
- if (!create_pkg_path(srcpath, srcpkg, PKG_DIR_POSTFIX, 0)) {
- if (lstat(srcpath, &s) < 0) {
- // Package no longer exists -- skip.
- srcpkg[0] = 0;
- }
- } else {
- srcpkg[0] = 0;
- ALOGW("Can't create path %s in %s%s\n",
- div, UPDATE_COMMANDS_DIR_PREFIX, name);
- }
- if (srcpkg[0] != 0) {
- if (!create_pkg_path(dstpath, dstpkg, PKG_DIR_POSTFIX, 0)) {
- if (lstat(dstpath, &s) == 0) {
- dstuid = s.st_uid;
- dstgid = s.st_gid;
- } else {
- // Destination package doesn't
- // exist... due to original-package,
- // this is normal, so don't be
- // noisy about it.
- srcpkg[0] = 0;
- }
- } else {
- srcpkg[0] = 0;
- ALOGW("Can't create path %s in %s%s\n",
- div, UPDATE_COMMANDS_DIR_PREFIX, name);
- }
- }
- ALOGV("Transfering from %s to %s: uid=%d\n",
- srcpkg, dstpkg, dstuid);
- }
- }
- }
- bufp = bufi+1;
- } else {
- if (bufp == 0) {
- if (bufp < bufe) {
- ALOGW("Line too long in %s%s, skipping: %s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name, buf);
- }
- } else if (bufp < bufe) {
- memcpy(buf, buf+bufp, bufe-bufp);
- bufe -= bufp;
- bufp = 0;
- }
- readlen = read(subfd, buf+bufe, PKG_PATH_MAX-bufe);
- if (readlen < 0) {
- ALOGW("Failure reading update commands in %s%s: %s\n",
- UPDATE_COMMANDS_DIR_PREFIX, name, strerror(errno));
- break;
- } else if (readlen == 0) {
- break;
- }
- bufe += readlen;
- buf[bufe] = 0;
- ALOGV("Read buf: %s\n", buf);
- }
- }
- close(subfd);
- }
- }
- closedir(d);
-done:
- return 0;
-}
-
-int linklib(const char* pkgname, const char* asecLibDir, int userId)
-{
- char pkgdir[PKG_PATH_MAX];
- char libsymlink[PKG_PATH_MAX];
- struct stat s, libStat;
- int rc = 0;
-
- if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userId)) {
- ALOGE("cannot create package path\n");
- return -1;
- }
- if (create_pkg_path(libsymlink, pkgname, PKG_LIB_POSTFIX, userId)) {
- ALOGE("cannot create package lib symlink origin path\n");
- return -1;
- }
-
- if (stat(pkgdir, &s) < 0) return -1;
-
- if (chown(pkgdir, AID_INSTALL, AID_INSTALL) < 0) {
- ALOGE("failed to chown '%s': %s\n", pkgdir, strerror(errno));
- return -1;
- }
-
- if (chmod(pkgdir, 0700) < 0) {
- ALOGE("linklib() 1: failed to chmod '%s': %s\n", pkgdir, strerror(errno));
- rc = -1;
- goto out;
- }
-
- if (lstat(libsymlink, &libStat) < 0) {
- if (errno != ENOENT) {
- ALOGE("couldn't stat lib dir: %s\n", strerror(errno));
- rc = -1;
- goto out;
- }
- } else {
- if (S_ISDIR(libStat.st_mode)) {
- if (delete_dir_contents(libsymlink, 1, 0) < 0) {
- rc = -1;
- goto out;
- }
- } else if (S_ISLNK(libStat.st_mode)) {
- if (unlink(libsymlink) < 0) {
- ALOGE("couldn't unlink lib dir: %s\n", strerror(errno));
- rc = -1;
- goto out;
- }
- }
- }
-
- if (symlink(asecLibDir, libsymlink) < 0) {
- ALOGE("couldn't symlink directory '%s' -> '%s': %s\n", libsymlink, asecLibDir,
- strerror(errno));
- rc = -errno;
- goto out;
- }
-
-out:
- if (chmod(pkgdir, s.st_mode) < 0) {
- ALOGE("linklib() 2: failed to chmod '%s': %s\n", pkgdir, strerror(errno));
- rc = -errno;
- }
-
- if (chown(pkgdir, s.st_uid, s.st_gid) < 0) {
- ALOGE("failed to chown '%s' : %s\n", pkgdir, strerror(errno));
- return -errno;
- }
-
- return rc;
-}