auto import from //depot/cupcake/@135843
diff --git a/cmds/installd/Android.mk b/cmds/installd/Android.mk
new file mode 100644
index 0000000..6673862
--- /dev/null
+++ b/cmds/installd/Android.mk
@@ -0,0 +1,21 @@
+ifneq ($(TARGET_SIMULATOR),true)
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ installd.c commands.c utils.c
+
+LOCAL_C_INCLUDES := \
+ $(call include-path-for, system-core)/cutils
+
+LOCAL_SHARED_LIBRARIES := \
+ libcutils
+
+LOCAL_STATIC_LIBRARIES :=
+
+LOCAL_MODULE:= installd
+
+include $(BUILD_EXECUTABLE)
+
+endif # !simulator))
diff --git a/cmds/installd/commands.c b/cmds/installd/commands.c
new file mode 100644
index 0000000..70a1206
--- /dev/null
+++ b/cmds/installd/commands.c
@@ -0,0 +1,568 @@
+/*
+** 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 "installd.h"
+
+int install(const char *pkgname, uid_t uid, gid_t gid)
+{
+ char pkgdir[PKG_PATH_MAX];
+ char libdir[PKG_PATH_MAX];
+
+ if ((uid < AID_SYSTEM) || (gid < AID_SYSTEM)) {
+ LOGE("invalid uid/gid: %d %d\n", uid, gid);
+ return -1;
+
+ }
+ if (create_pkg_path(pkgdir, PKG_DIR_PREFIX, pkgname, PKG_DIR_POSTFIX))
+ return -1;
+ if (create_pkg_path(libdir, PKG_LIB_PREFIX, pkgname, PKG_LIB_POSTFIX))
+ return -1;
+
+ if (mkdir(pkgdir, 0755) < 0) {
+ LOGE("cannot create dir '%s': %s\n", pkgdir, strerror(errno));
+ return -errno;
+ }
+ if (chown(pkgdir, uid, gid) < 0) {
+ LOGE("cannot chown dir '%s': %s\n", pkgdir, strerror(errno));
+ unlink(pkgdir);
+ return -errno;
+ }
+ if (mkdir(libdir, 0755) < 0) {
+ LOGE("cannot create dir '%s': %s\n", libdir, strerror(errno));
+ unlink(pkgdir);
+ return -errno;
+ }
+ if (chown(libdir, AID_SYSTEM, AID_SYSTEM) < 0) {
+ LOGE("cannot chown dir '%s': %s\n", libdir, strerror(errno));
+ unlink(libdir);
+ unlink(pkgdir);
+ return -errno;
+ }
+ return 0;
+}
+
+int uninstall(const char *pkgname)
+{
+ char pkgdir[PKG_PATH_MAX];
+
+ if (create_pkg_path(pkgdir, PKG_DIR_PREFIX, pkgname, PKG_DIR_POSTFIX))
+ return -1;
+
+ /* delete contents AND directory, no exceptions */
+ return delete_dir_contents(pkgdir, 1, 0);
+}
+
+int delete_user_data(const char *pkgname)
+{
+ char pkgdir[PKG_PATH_MAX];
+
+ if (create_pkg_path(pkgdir, PKG_DIR_PREFIX, pkgname, PKG_DIR_POSTFIX))
+ return -1;
+
+ /* delete contents, excluding "lib", but not the directory itself */
+ return delete_dir_contents(pkgdir, 0, "lib");
+}
+
+int delete_cache(const char *pkgname)
+{
+ char cachedir[PKG_PATH_MAX];
+
+ if (create_pkg_path(cachedir, CACHE_DIR_PREFIX, pkgname, CACHE_DIR_POSTFIX))
+ return -1;
+
+ /* delete contents, not the directory, no exceptions */
+ return delete_dir_contents(cachedir, 0, 0);
+}
+
+
+static int disk_free(void)
+{
+ struct statfs sfs;
+ if (statfs(PKG_DIR_PREFIX, &sfs) == 0) {
+ return sfs.f_bavail * sfs.f_bsize;
+ } else {
+ return -1;
+ }
+}
+
+
+/* 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(int free_size)
+{
+ const char *name;
+ int dfd, subfd;
+ DIR *d;
+ struct dirent *de;
+ int avail;
+
+ avail = disk_free();
+ if (avail < 0) return -1;
+
+ LOGI("free_cache(%d) avail %d\n", free_size, avail);
+ if (avail >= free_size) return 0;
+
+ d = opendir(PKG_DIR_PREFIX);
+ if (d == NULL) {
+ LOGE("cannot open %s\n", PKG_DIR_PREFIX);
+ return -1;
+ }
+ dfd = dirfd(d);
+
+ while ((de = readdir(d))) {
+ if (de->d_type != DT_DIR) continue;
+ name = de->d_name;
+
+ /* always skip "." and ".." */
+ if (name[0] == '.') {
+ if (name[1] == 0) continue;
+ if ((name[1] == '.') && (name[2] == 0)) continue;
+ }
+
+ subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+ if (subfd < 0) continue;
+
+ delete_dir_contents_fd(subfd, "cache");
+ close(subfd);
+
+ avail = disk_free();
+ if (avail >= free_size) {
+ closedir(d);
+ return 0;
+ }
+ }
+ closedir(d);
+ return -1;
+}
+
+
+/* used by move_dex, rm_dex, etc to ensure that the provided paths
+ * don't point anywhere other than at the APK_DIR_PREFIX
+ */
+static int is_valid_apk_path(const char *path)
+{
+ int len = strlen(APK_DIR_PREFIX);
+ if (strncmp(path, APK_DIR_PREFIX, len)) {
+ len = strlen(PROTECTED_DIR_PREFIX);
+ if (strncmp(path, PROTECTED_DIR_PREFIX, len)) {
+ LOGE("invalid apk path '%s' (bad prefix)\n", path);
+ return 0;
+ }
+ }
+ if (strchr(path + len, '/')) {
+ LOGE("invalid apk path '%s' (subdir?)\n", path);
+ return 0;
+ }
+ if (path[len] == '.') {
+ LOGE("invalid apk path '%s' (trickery)\n", path);
+ return 0;
+ }
+ return 1;
+}
+
+int move_dex(const char *src, const char *dst)
+{
+ char src_dex[PKG_PATH_MAX];
+ char dst_dex[PKG_PATH_MAX];
+
+ if (!is_valid_apk_path(src)) return -1;
+ if (!is_valid_apk_path(dst)) return -1;
+
+ if (create_cache_path(src_dex, src)) return -1;
+ if (create_cache_path(dst_dex, dst)) return -1;
+
+ LOGI("move %s -> %s\n", src_dex, dst_dex);
+ if (rename(src_dex, dst_dex) < 0) {
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+int rm_dex(const char *path)
+{
+ char dex_path[PKG_PATH_MAX];
+
+ if (!is_valid_apk_path(path)) return -1;
+ if (create_cache_path(dex_path, path)) return -1;
+
+ LOGI("unlink %s\n", dex_path);
+ if (unlink(dex_path) < 0) {
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+int protect(char *pkgname, gid_t gid)
+{
+ struct stat s;
+ char pkgpath[PKG_PATH_MAX];
+
+ if (gid < AID_SYSTEM) return -1;
+
+ if (create_pkg_path(pkgpath, PROTECTED_DIR_PREFIX, pkgname, ".apk"))
+ return -1;
+
+ if (stat(pkgpath, &s) < 0) return -1;
+
+ if (chown(pkgpath, s.st_uid, gid) < 0) {
+ LOGE("failed to chgrp '%s': %s\n", pkgpath, strerror(errno));
+ return -1;
+ }
+
+ if (chmod(pkgpath, S_IRUSR|S_IWUSR|S_IRGRP) < 0) {
+ LOGE("failed to chmod '%s': %s\n", pkgpath, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int stat_size(struct stat *s)
+{
+ int blksize = s->st_blksize;
+ int size = s->st_size;
+
+ if (blksize) {
+ /* round up to filesystem block size */
+ size = (size + blksize - 1) & (~(blksize - 1));
+ }
+
+ return size;
+}
+
+static int calculate_dir_size(int dfd)
+{
+ int size = 0;
+ struct stat s;
+ DIR *d;
+ struct dirent *de;
+
+ d = fdopendir(dfd);
+ if (d == NULL) {
+ close(dfd);
+ return 0;
+ }
+
+ 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;
+ }
+ subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+ if (subfd >= 0) {
+ size += calculate_dir_size(subfd);
+ }
+ } else {
+ if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) {
+ size += stat_size(&s);
+ }
+ }
+ }
+ closedir(d);
+ return size;
+}
+
+int get_size(const char *pkgname, const char *apkpath,
+ const char *fwdlock_apkpath,
+ int *_codesize, int *_datasize, int *_cachesize)
+{
+ DIR *d;
+ int dfd;
+ struct dirent *de;
+ struct stat s;
+ char path[PKG_PATH_MAX];
+
+ int codesize = 0;
+ int datasize = 0;
+ int cachesize = 0;
+
+ /* count the source apk as code -- but only if it's not
+ * on the /system partition
+ */
+ if (strncmp(apkpath, "/system", 7) != 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);
+ }
+ }
+
+ if (create_pkg_path(path, PKG_DIR_PREFIX, pkgname, PKG_DIR_POSTFIX)) {
+ 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;
+ /* always skip "." and ".." */
+ if (name[0] == '.') {
+ if (name[1] == 0) continue;
+ if ((name[1] == '.') && (name[2] == 0)) continue;
+ }
+ subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+ if (subfd >= 0) {
+ int size = calculate_dir_size(subfd);
+ if (!strcmp(name,"lib")) {
+ codesize += size;
+ } else if(!strcmp(name,"cache")) {
+ cachesize += size;
+ } else {
+ datasize += size;
+ }
+ }
+ } else {
+ if (fstatat(dfd, name, &s, AT_SYMLINK_NOFOLLOW) == 0) {
+ datasize += stat_size(&s);
+ }
+ }
+ }
+ closedir(d);
+done:
+ *_codesize = codesize;
+ *_datasize = datasize;
+ *_cachesize = cachesize;
+ 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);
+ LOGE("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) {
+ LOGW("waitpid failed: wanted %d, got %d: %s\n",
+ (int) pid, (int) got_pid, strerror(errno));
+ return 1;
+ }
+
+ if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
+ LOGD("DexInv: --- END '%s' (success) ---\n", apk_path);
+ return 0;
+ } else {
+ LOGW("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) {
+ LOGE("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) {
+ LOGE("dexopt cannot open '%s' for output\n", dex_path);
+ goto fail;
+ }
+ if (fchown(odex_fd, AID_SYSTEM, uid) < 0) {
+ LOGE("dexopt cannot chown '%s'\n", dex_path);
+ goto fail;
+ }
+ if (fchmod(odex_fd,
+ S_IRUSR|S_IWUSR|S_IRGRP |
+ (is_public ? S_IROTH : 0)) < 0) {
+ LOGE("dexopt cannot chmod '%s'\n", dex_path);
+ goto fail;
+ }
+
+ LOGD("DexInv: --- BEGIN '%s' ---\n", apk_path);
+
+ pid_t pid;
+ pid = fork();
+ if (pid == 0) {
+ /* child -- drop privileges before continuing */
+ if (setgid(uid) != 0) {
+ LOGE("setgid(%d) failed during dexopt\n", uid);
+ exit(64);
+ }
+ if (setuid(uid) != 0) {
+ LOGE("setuid(%d) during dexopt\n", uid);
+ exit(65);
+ }
+ if (flock(odex_fd, LOCK_EX | LOCK_NB) != 0) {
+ LOGE("flock(%s) failed: %s\n", dex_path, strerror(errno));
+ exit(66);
+ }
+
+ run_dexopt(zip_fd, odex_fd, apk_path, dexopt_flags);
+ exit(67); /* only get here on exec failure */
+ } else {
+ res = wait_dexopt(pid, apk_path);
+ if (res != 0) {
+ LOGE("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;
+}
diff --git a/cmds/installd/installd.c b/cmds/installd/installd.c
new file mode 100644
index 0000000..7c7441f
--- /dev/null
+++ b/cmds/installd/installd.c
@@ -0,0 +1,259 @@
+/*
+** 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 "installd.h"
+
+
+#define BUFFER_MAX 1024 /* input buffer for commands */
+#define TOKEN_MAX 8 /* max number of arguments in buffer */
+#define REPLY_MAX 256 /* largest reply allowed */
+
+
+static int do_ping(char **arg, char reply[REPLY_MAX])
+{
+ return 0;
+}
+
+static int do_install(char **arg, char reply[REPLY_MAX])
+{
+ return install(arg[0], atoi(arg[1]), atoi(arg[2])); /* pkgname, uid, gid */
+}
+
+static int do_dexopt(char **arg, char reply[REPLY_MAX])
+{
+ /* apk_path, uid, is_public */
+ return dexopt(arg[0], atoi(arg[1]), atoi(arg[2]));
+}
+
+static int do_move_dex(char **arg, char reply[REPLY_MAX])
+{
+ return move_dex(arg[0], arg[1]); /* src, dst */
+}
+
+static int do_rm_dex(char **arg, char reply[REPLY_MAX])
+{
+ return rm_dex(arg[0]); /* pkgname */
+}
+
+static int do_remove(char **arg, char reply[REPLY_MAX])
+{
+ return uninstall(arg[0]); /* pkgname */
+}
+
+static int do_free_cache(char **arg, char reply[REPLY_MAX]) /* TODO int:free_size */
+{
+ return free_cache(atoi(arg[0])); /* free_size */
+}
+
+static int do_rm_cache(char **arg, char reply[REPLY_MAX])
+{
+ return delete_cache(arg[0]); /* pkgname */
+}
+
+static int do_protect(char **arg, char reply[REPLY_MAX])
+{
+ return protect(arg[0], atoi(arg[1])); /* pkgname, gid */
+}
+
+static int do_get_size(char **arg, char reply[REPLY_MAX])
+{
+ int codesize = 0;
+ int datasize = 0;
+ int cachesize = 0;
+ int res = 0;
+
+ /* pkgdir, apkpath */
+ res = get_size(arg[0], arg[1], arg[2], &codesize, &datasize, &cachesize);
+
+ sprintf(reply,"%d %d %d", codesize, datasize, cachesize);
+ return res;
+}
+
+static int do_rm_user_data(char **arg, char reply[REPLY_MAX])
+{
+ return delete_user_data(arg[0]); /* pkgname */
+}
+
+struct cmdinfo {
+ const char *name;
+ unsigned numargs;
+ int (*func)(char **arg, char reply[REPLY_MAX]);
+};
+
+struct cmdinfo cmds[] = {
+ { "ping", 0, do_ping },
+ { "install", 3, do_install },
+ { "dexopt", 3, do_dexopt },
+ { "movedex", 2, do_move_dex },
+ { "rmdex", 1, do_rm_dex },
+ { "remove", 1, do_remove },
+ { "freecache", 1, do_free_cache },
+ { "rmcache", 1, do_rm_cache },
+ { "protect", 2, do_protect },
+ { "getsize", 3, do_get_size },
+ { "rmuserdata", 1, do_rm_user_data },
+};
+
+static int readx(int s, void *_buf, int count)
+{
+ char *buf = _buf;
+ int n = 0, r;
+ if (count < 0) return -1;
+ while (n < count) {
+ r = read(s, buf + n, count - n);
+ if (r < 0) {
+ if (errno == EINTR) continue;
+ LOGE("read error: %s\n", strerror(errno));
+ return -1;
+ }
+ if (r == 0) {
+ LOGE("eof\n");
+ return -1; /* EOF */
+ }
+ n += r;
+ }
+ return 0;
+}
+
+static int writex(int s, const void *_buf, int count)
+{
+ const char *buf = _buf;
+ int n = 0, r;
+ if (count < 0) return -1;
+ while (n < count) {
+ r = write(s, buf + n, count - n);
+ if (r < 0) {
+ if (errno == EINTR) continue;
+ LOGE("write error: %s\n", strerror(errno));
+ return -1;
+ }
+ n += r;
+ }
+ return 0;
+}
+
+
+/* Tokenize the command buffer, locate a matching command,
+ * ensure that the required number of arguments are provided,
+ * call the function(), return the result.
+ */
+static int execute(int s, char cmd[BUFFER_MAX])
+{
+ char reply[REPLY_MAX];
+ char *arg[TOKEN_MAX+1];
+ unsigned i;
+ unsigned n = 0;
+ unsigned short count;
+ int ret = -1;
+
+// LOGI("execute('%s')\n", cmd);
+
+ /* default reply is "" */
+ reply[0] = 0;
+
+ /* n is number of args (not counting arg[0]) */
+ arg[0] = cmd;
+ while (*cmd) {
+ if (isspace(*cmd)) {
+ *cmd++ = 0;
+ n++;
+ arg[n] = cmd;
+ if (n == TOKEN_MAX) {
+ LOGE("too many arguments\n");
+ goto done;
+ }
+ }
+ cmd++;
+ }
+
+ for (i = 0; i < sizeof(cmds) / sizeof(cmds[0]); i++) {
+ if (!strcmp(cmds[i].name,arg[0])) {
+ if (n != cmds[i].numargs) {
+ LOGE("%s requires %d arguments (%d given)\n",
+ cmds[i].name, cmds[i].numargs, n);
+ } else {
+ ret = cmds[i].func(arg + 1, reply);
+ }
+ goto done;
+ }
+ }
+ LOGE("unsupported command '%s'\n", arg[0]);
+
+done:
+ if (reply[0]) {
+ n = snprintf(cmd, BUFFER_MAX, "%d %s", ret, reply);
+ } else {
+ n = snprintf(cmd, BUFFER_MAX, "%d", ret);
+ }
+ if (n > BUFFER_MAX) n = BUFFER_MAX;
+ count = n;
+
+// LOGI("reply: '%s'\n", cmd);
+ if (writex(s, &count, sizeof(count))) return -1;
+ if (writex(s, cmd, count)) return -1;
+ return 0;
+}
+
+int main(const int argc, const char *argv[]) {
+ char buf[BUFFER_MAX];
+ struct sockaddr addr;
+ socklen_t alen;
+ int lsocket, s, count;
+
+ lsocket = android_get_control_socket(SOCKET_PATH);
+ if (lsocket < 0) {
+ LOGE("Failed to get socket from environment: %s\n", strerror(errno));
+ exit(1);
+ }
+ if (listen(lsocket, 5)) {
+ LOGE("Listen on socket failed: %s\n", strerror(errno));
+ exit(1);
+ }
+ fcntl(lsocket, F_SETFD, FD_CLOEXEC);
+
+ for (;;) {
+ alen = sizeof(addr);
+ s = accept(lsocket, &addr, &alen);
+ if (s < 0) {
+ LOGE("Accept failed: %s\n", strerror(errno));
+ continue;
+ }
+ fcntl(s, F_SETFD, FD_CLOEXEC);
+
+ LOGI("new connection\n");
+ for (;;) {
+ unsigned short count;
+ if (readx(s, &count, sizeof(count))) {
+ LOGE("failed to read size\n");
+ break;
+ }
+ if ((count < 1) || (count >= BUFFER_MAX)) {
+ LOGE("invalid size %d\n", count);
+ break;
+ }
+ if (readx(s, buf, count)) {
+ LOGE("failed to read command\n");
+ break;
+ }
+ buf[count] = 0;
+ if (execute(s, buf)) break;
+ }
+ LOGI("closing connection\n");
+ close(s);
+ }
+
+ return 0;
+}
diff --git a/cmds/installd/installd.h b/cmds/installd/installd.h
new file mode 100644
index 0000000..db3badd
--- /dev/null
+++ b/cmds/installd/installd.h
@@ -0,0 +1,100 @@
+/*
+**
+** 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.
+*/
+
+#define LOG_TAG "installd"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <utime.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <cutils/sockets.h>
+#include <cutils/log.h>
+#include <cutils/properties.h>
+
+#include <private/android_filesystem_config.h>
+
+#if INCLUDE_SYS_MOUNT_FOR_STATFS
+#include <sys/mount.h>
+#else
+#include <sys/statfs.h>
+#endif
+
+#define SOCKET_PATH "installd"
+
+
+/* elements combined with a valid package name to form paths */
+
+#define PKG_DIR_PREFIX "/data/data/"
+#define PKG_DIR_POSTFIX ""
+
+#define PKG_LIB_PREFIX "/data/data/"
+#define PKG_LIB_POSTFIX "/lib"
+
+#define CACHE_DIR_PREFIX "/data/data/"
+#define CACHE_DIR_POSTFIX "/cache"
+
+#define APK_DIR_PREFIX "/data/app/"
+
+/* other handy constants */
+
+#define PROTECTED_DIR_PREFIX "/data/app-private/"
+
+#define DALVIK_CACHE_PREFIX "/data/dalvik-cache/"
+#define DALVIK_CACHE_POSTFIX "/classes.dex"
+
+
+#define PKG_NAME_MAX 128 /* largest allowed package name */
+#define PKG_PATH_MAX 256 /* max size of any path we use */
+
+
+/* util.c */
+
+int create_pkg_path(char path[PKG_PATH_MAX],
+ const char *prefix,
+ const char *pkgname,
+ const char *postfix);
+
+int create_cache_path(char path[PKG_PATH_MAX], const char *src);
+
+int delete_dir_contents(const char *pathname,
+ int also_delete_dir,
+ const char *ignore);
+
+int delete_dir_contents_fd(int dfd, const char *name);
+
+/* commands.c */
+
+int install(const char *pkgname, uid_t uid, gid_t gid);
+int uninstall(const char *pkgname);
+int delete_user_data(const char *pkgname);
+int delete_cache(const char *pkgname);
+int move_dex(const char *src, const char *dst);
+int rm_dex(const char *path);
+int protect(char *pkgname, gid_t gid);
+int get_size(const char *pkgname, const char *apkpath, const char *fwdlock_apkpath,
+ int *codesize, int *datasize, int *cachesize);
+int free_cache(int free_size);
+int dexopt(const char *apk_path, uid_t uid, int is_public);
diff --git a/cmds/installd/utils.c b/cmds/installd/utils.c
new file mode 100644
index 0000000..5db5545
--- /dev/null
+++ b/cmds/installd/utils.c
@@ -0,0 +1,149 @@
+/*
+** 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 "installd.h"
+
+int create_pkg_path(char path[PKG_PATH_MAX],
+ const char *prefix,
+ const char *pkgname,
+ const char *postfix)
+{
+ int len;
+ const char *x;
+
+ len = strlen(pkgname);
+ if (len > PKG_NAME_MAX) {
+ return -1;
+ }
+ if ((len + strlen(prefix) + strlen(postfix)) >= PKG_PATH_MAX) {
+ return -1;
+ }
+
+ x = pkgname;
+ while (*x) {
+ if (isalnum(*x) || (*x == '_')) {
+ /* alphanumeric or underscore are fine */
+ } else if (*x == '.') {
+ if ((x == pkgname) || (x[1] == '.') || (x[1] == 0)) {
+ /* periods must not be first, last, or doubled */
+ LOGE("invalid package name '%s'\n", pkgname);
+ return -1;
+ }
+ } else {
+ /* anything not A-Z, a-z, 0-9, _, or . is invalid */
+ LOGE("invalid package name '%s'\n", pkgname);
+ return -1;
+ }
+ x++;
+ }
+
+ sprintf(path, "%s%s%s", prefix, pkgname, postfix);
+ return 0;
+}
+
+static int _delete_dir_contents(DIR *d, const char *ignore)
+{
+ int result = 0;
+ struct dirent *de;
+ int dfd;
+
+ dfd = dirfd(d);
+
+ if (dfd < 0) return -1;
+
+ while ((de = readdir(d))) {
+ const char *name = de->d_name;
+
+ /* skip the ignore name if provided */
+ if (ignore && !strcmp(name, ignore)) continue;
+
+ if (de->d_type == DT_DIR) {
+ int r, subfd;
+ DIR *subdir;
+
+ /* always skip "." and ".." */
+ if (name[0] == '.') {
+ if (name[1] == 0) continue;
+ if ((name[1] == '.') && (name[2] == 0)) continue;
+ }
+
+ subfd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+ if (subfd < 0) {
+ result = -1;
+ continue;
+ }
+ subdir = fdopendir(subfd);
+ if (subdir == NULL) {
+ close(subfd);
+ result = -1;
+ continue;
+ }
+ if (_delete_dir_contents(subdir, 0)) {
+ result = -1;
+ }
+ closedir(subdir);
+ if (unlinkat(dfd, name, AT_REMOVEDIR) < 0) {
+ result = -1;
+ }
+ } else {
+ if (unlinkat(dfd, name, 0) < 0) {
+ result = -1;
+ }
+ }
+ }
+
+ return result;
+}
+
+int delete_dir_contents(const char *pathname,
+ int also_delete_dir,
+ const char *ignore)
+{
+ int res = 0;
+ DIR *d;
+
+ d = opendir(pathname);
+ if (d == NULL) {
+ return -errno;
+ }
+ res = _delete_dir_contents(d, ignore);
+ closedir(d);
+ if (also_delete_dir) {
+ if (rmdir(pathname)) {
+ res = -1;
+ }
+ }
+ return res;
+}
+
+int delete_dir_contents_fd(int dfd, const char *name)
+{
+ int fd, res;
+ DIR *d;
+
+ fd = openat(dfd, name, O_RDONLY | O_DIRECTORY);
+ if (fd < 0) {
+ return -1;
+ }
+ d = fdopendir(fd);
+ if (d == NULL) {
+ close(fd);
+ return -1;
+ }
+ res = _delete_dir_contents(d, 0);
+ closedir(d);
+ return res;
+}