Fix resource leak
[platform/core/appfw/pkgmgr-server.git] / src / pkgmgr-server.c
index d0dfa91..ea9a444 100644 (file)
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
-#include <dirent.h>
 #include <sys/types.h>
-#include <fcntl.h>
+#include <sys/signalfd.h>
 #include <signal.h>
+#include <grp.h>
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <fnmatch.h>
 
 #include <glib.h>
 #include <gio/gio.h>
 
+#include <aul.h>
 #include <pkgmgr-info.h>
-#include <pkgmgr/pkgmgr_parser.h>
+#include <pkgmgr/pkgmgr_parser_db.h>
 #include <tzplatform_config.h>
-#include <drm-tizen-apps.h>
 
 #include "pkgmgr_installer.h"
 #include "pkgmgr-server.h"
-#include "pm-queue.h"
-#include "comm_config.h"
+#include "queue.h"
 #include "package-manager.h"
 
-#define BUFMAX 128
-#define NO_MATCHING_FILE 11
+#define USRLIB "/usr/lib"
 
+#define PATH_LIBDRM_SVC_CORE \
+               "/usr/lib/libdrm-service-core-tizen.so.0"
+#define PATH_LIBCSR_CLIENT \
+               "/usr/lib/libcsr-client.so.2"
 #define OWNER_ROOT 0
 #define GLOBAL_USER tzplatform_getuid(TZ_SYS_GLOBALAPP_USER)
+#define APPFW_UID 301
+
+
+#define EXT_STORAGE_GROUP 10001
+#define EXT_STORAGE_APPDATA_GROUP 10002
+#define MEDIA_STORAGE_GROUP 10502
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+#define MAX_LONGLONG_LENGTH 32
 
 typedef struct  {
        char **env;
@@ -60,236 +73,283 @@ typedef struct  {
        gid_t gid;
 } user_ctx;
 
+typedef struct {
+       uid_t uid;
+       char *cmd;
+       int pid;
+} pkgcmd_data;
 
 /*
 8 bit value to represent maximum 8 backends.
 Each bit position corresponds to a queue slot which
 is dynamically determined.
 */
-char backend_busy = 0;
+static char backend_busy = 0;
 extern int num_of_backends;
-
-struct signal_info_t {
-       pid_t pid;
-       int status;
-};
-
-static int pipe_sig[2];
-static GIOChannel *pipe_io;
-static guint pipe_wid;
-
-backend_info *begin;
-extern queue_info_map *start;
-extern int entries;
-
-GMainLoop *mainloop = NULL;
-
-
-/* operation_type */
-typedef enum {
-       OPERATION_INSTALL = 0,
-       OPERATION_UNINSTALL,
-       OPERATION_ACTIVATE,
-       OPERATION_REINSTALL,
-       OPERATION_MAX
-} OPERATION_TYPE;
+bool is_drm_busy = false;
+static bool is_lock_set = false;
+
+static GIOChannel *sio;
+static guint swid;
+static GHashTable *backend_info_table;
+static GMainLoop *mainloop;
+static GDBusConnection *system_conn;
+
+static int (*_drm_tizen_register_license)
+               (const char *pRespBuf, unsigned int respBufLen);
+static int (*_drm_tizen_decrypt_package)(const char *pTADCFilepath,
+               int tadcFileLen, const char *pDecryptedFile,
+               int decryptedFileLen);
+static int (*_drm_tizen_generate_license_request)(const char *pRespBuf,
+               unsigned int respBufLen, char *pReqBuf,
+               unsigned int *pReqBufLen, char *pLicenseUrl,
+               unsigned int *pLicenseUrlLen);
+static void *drm_lib_handle;
 
 static int __check_backend_status_for_exit(void);
 static int __check_queue_status_for_exit(void);
 static int __is_backend_busy(int position);
 static void __set_backend_busy(int position);
 static void __set_backend_free(int position);
-static void sighandler(int signo);
 
 gboolean exit_server(void *data);
 
-/* To check whether a particular backend is free/busy*/
+/* To check whether a particular backend is free/busy */
 static int __is_backend_busy(int position)
 {
-       return backend_busy & 1<<position;
+       return backend_busy & (1 << position);
 }
-/*To set a particular backend as busy*/
+/* To set a particular backend as busy */
 static void __set_backend_busy(int position)
 {
-       backend_busy = backend_busy | 1<<position;
+       backend_busy = backend_busy | (1 << position);
 }
-/*To set a particular backend as free */
+/* To set a particular backend as free */
 static void __set_backend_free(int position)
 {
-       backend_busy = backend_busy & ~(1<<position);
-}
-
-static int __is_global(uid_t uid)
-{
-       return (uid == OWNER_ROOT || uid == GLOBAL_USER) ? 1 : 0;
+       backend_busy = backend_busy & ~(1 << position);
 }
 
-static const char *__get_recovery_file_path(uid_t uid)
+static GDBusConnection *_get_system_conn(void)
 {
-       const char *path;
-
-       if (!__is_global(uid))
-               tzplatform_set_user(uid);
+       GError *err = NULL;
 
-       path = tzplatform_getenv(__is_global(uid)
-                       ? TZ_SYS_RW_PACKAGES : TZ_USER_PACKAGES);
+       if (system_conn)
+               return system_conn;
 
-       tzplatform_reset_user();
+       system_conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
+       if (system_conn == NULL) {
+               ERR("Failed to get system bus: %s", err->message);
+               g_error_free(err);
+               return NULL;
+       }
 
-       return path;
+       return system_conn;
 }
 
-static void __set_recovery_mode(uid_t uid, char *pkgid, char *pkg_type)
+#define DEVICED_DBUS_PATH "org.tizen.system.deviced"
+#define DEVICED_DBUS_OBJECT_PATH "/Org/Tizen/System/DeviceD/Display"
+#define DEVICED_DBUS_INTERFACE_NAME "org.tizen.system.deviced.display"
+
+static void __set_power_lock(void)
 {
-       char recovery_file[MAX_PKG_NAME_LEN] = { 0, };
-       char buffer[MAX_PKG_NAME_LEN] = { 0 };
-       char *pkgid_tmp = NULL;
-       FILE *rev_file = NULL;
+       GDBusConnection *conn;
+       GDBusMessage *msg;
+       GError *err = NULL;
+       int ret = 0;
 
-       if (pkgid == NULL) {
-               DBG("pkgid is null\n");
+       if (is_lock_set)
                return;
-       }
 
-       /*if pkgid has a "/"charactor, that is a path name for installation, then extract pkgid from absolute path*/
-       if (strstr(pkgid, "/")) {
-               pkgid_tmp = strrchr(pkgid, '/') + 1;
-               if (pkgid_tmp == NULL) {
-                       DBG("pkgid_tmp[%s] is null\n", pkgid);
-                       return;
-               }
-               snprintf(recovery_file, sizeof(recovery_file), "%s/%s", __get_recovery_file_path(uid), pkgid_tmp);
-       } else {
-               snprintf(recovery_file, sizeof(recovery_file), "%s/%s", __get_recovery_file_path(uid), pkgid);
-       }
+       conn = _get_system_conn();
+       if (conn == NULL)
+               return;
 
-       rev_file = fopen(recovery_file, "w");
-       if (rev_file== NULL) {
-               DBG("rev_file[%s] is null\n", recovery_file);
+       msg = g_dbus_message_new_method_call(DEVICED_DBUS_PATH,
+                       DEVICED_DBUS_OBJECT_PATH,
+                       DEVICED_DBUS_INTERFACE_NAME,
+                       "lockstate");
+       if (msg == NULL) {
+               ERR("g_dbus_message_new_method_call() has failed");
                return;
        }
 
-       snprintf(buffer, MAX_PKG_NAME_LEN, "pkgid : %s\n", pkgid);
-       fwrite(buffer, sizeof(char), strlen(buffer), rev_file);
+       g_dbus_message_set_body(msg, g_variant_new("(sssi)", "lcdoff",
+                       "staycurstate", "NULL", 0));
+       if (!g_dbus_connection_send_message(conn, msg,
+                               G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, &err)) {
+               ERR("Unable to send dbus message for acquring lock as  %s",
+                               err->message);
+               ret = -1;
+       }
 
-       fclose(rev_file);
+       if (ret == 0)
+               is_lock_set = true;
+       g_object_unref(msg);
+       g_dbus_connection_flush_sync(conn, NULL, NULL);
+       g_clear_error(&err);
 }
 
-static void __unset_recovery_mode(uid_t uid, char *pkgid, char *pkg_type)
+static void __release_power_lock(void)
 {
-       int ret = -1;
-       char recovery_file[MAX_PKG_NAME_LEN] = { 0, };
-       char *pkgid_tmp = NULL;
+       GError *err = NULL;
+       GDBusConnection *conn;
+       GDBusMessage *msg;
+       int ret = 0;
+
+       if (!is_lock_set)
+               return;
+
+       conn = _get_system_conn();
+       if (conn == NULL)
+               return;
 
-       if (pkgid == NULL) {
-               DBG("pkgid is null\n");
+       msg = g_dbus_message_new_method_call(DEVICED_DBUS_PATH,
+                       DEVICED_DBUS_OBJECT_PATH,
+                       DEVICED_DBUS_INTERFACE_NAME,
+                       "unlockstate");
+       if (msg == NULL) {
+               ERR("g_dbus_message_new_method_call() is failed");
                return;
        }
 
-       /*if pkgid has a "/"charactor, that is a path name for installation, then extract pkgid from absolute path*/
-       if (strstr(pkgid, "/")) {
-               pkgid_tmp = strrchr(pkgid, '/') + 1;
-               if (pkgid_tmp == NULL) {
-                       DBG("pkgid_tmp[%s] is null\n", pkgid);
-                       return;
-               }
-               snprintf(recovery_file, sizeof(recovery_file), "%s/%s", __get_recovery_file_path(uid), pkgid_tmp);
-       } else {
-               snprintf(recovery_file, sizeof(recovery_file), "%s/%s", __get_recovery_file_path(uid), pkgid);
+       g_dbus_message_set_body(msg, g_variant_new("(ss)", "lcdoff",
+                       "sleepmargin"));
+       if (!g_dbus_connection_send_message(conn, msg,
+                               G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, &err)) {
+               ERR("Unable to send dbus message for releasing lock as  %s",
+                       err->message);
+               ret = -1;
        }
 
-       ret = remove(recovery_file);
-       if (ret < 0)
-               DBG("remove recovery_file[%s] fail\n", recovery_file);
+       if (ret == 0)
+               is_lock_set = false;
+       g_object_unref(msg);
+       g_dbus_connection_flush_sync(conn, NULL, NULL);
+       g_clear_error(&err);
+
+       return;
 }
 
-static void __send_app_signal(uid_t uid, const char *req_id,
-               const char *pkg_type, const char *pkgid, const char *appid,
-               const char *key, const char *val)
+static gboolean getsize_io_handler(GIOChannel *io, GIOCondition cond,
+               gpointer data)
 {
-       pkgmgr_installer *pi;
+       GError *err = NULL;
+       GIOStatus s;
+       gsize len;
+       char buf[MAX_LONGLONG_LENGTH];
+       long long result = 0;
+       struct backend_job *job = (struct backend_job *)data;
+       struct getsize_sync_extra_info *extra_getsize_info =
+                       (struct getsize_sync_extra_info *)job->extra_data;
 
-       pi = pkgmgr_installer_new();
-       if (!pi) {
-               DBG("Failure in creating the pkgmgr_installer object");
-               return;
+       s = g_io_channel_read_chars(io, (gchar *)buf, sizeof(buf), &len, &err);
+       if (s != G_IO_STATUS_NORMAL) {
+               ERR("getsize fd read failed: %s", err->message);
+               g_error_free(err);
+               result = -1;
+       } else {
+               if (strlen(buf) == 0) {
+                       ERR("empty result");
+                       result = -1;
+               } else {
+                       result = atoll(buf);
+               }
        }
 
-       if (pkgmgr_installer_set_request_type(pi,PKGMGR_REQ_ENABLE_DISABLE_APP))
-               goto catch;
-       if (pkgmgr_installer_set_session_id(pi, req_id))
-               goto catch;
-       pkgmgr_installer_send_app_signal(pi, pkg_type, pkgid, appid, key, val);
+       _return_value_to_caller(job->req_id, g_variant_new("(ix)",
+               (result < 0) ? PKGMGR_R_ERROR : PKGMGR_R_OK, result));
 
-catch:
-       pkgmgr_installer_free(pi);
+       unlink(extra_getsize_info->getsize_fifo);
+       free(extra_getsize_info->getsize_fifo);
+       extra_getsize_info->getsize_fifo = NULL;
 
-       return;
+       return FALSE;
 }
 
-static void send_fail_signal(char *pname, char *ptype, char *args)
+static int __setup_size_info_io(struct backend_job *job)
 {
-       DBG("send_fail_signal start\n");
-       gboolean ret_parse;
-       gint argcp;
-       gchar **argvp;
-       GError *gerr = NULL;
-       pkgmgr_installer *pi;
-       pi = pkgmgr_installer_new();
-       if (!pi) {
-               DBG("Failure in creating the pkgmgr_installer object");
-               return;
+       guint getsize_wid;
+       struct getsize_sync_extra_info *extra_getsize_info =
+                       (struct getsize_sync_extra_info *)job->extra_data;
+
+       extra_getsize_info->getsize_fd = open(extra_getsize_info->getsize_fifo,
+               O_RDONLY | O_NONBLOCK);
+       if (extra_getsize_info->getsize_fd < 0) {
+               ERR("failed to open the fifo(%s), errno(%d)",
+                               extra_getsize_info->getsize_fifo, errno);
+               return -1;
        }
-       ret_parse = g_shell_parse_argv(args,
-                                      &argcp, &argvp, &gerr);
-       if (FALSE == ret_parse) {
-               DBG("Failed to split args: %s", args);
-               DBG("messsage: %s", gerr->message);
-               pkgmgr_installer_free(pi);
-               return;
+
+       extra_getsize_info->getsize_io =
+                       g_io_channel_unix_new(extra_getsize_info->getsize_fd);
+       if (!extra_getsize_info->getsize_io)
+               return -1;
+       g_io_channel_set_encoding(extra_getsize_info->getsize_io, NULL, NULL);
+       g_io_channel_set_buffered(extra_getsize_info->getsize_io, FALSE);
+       getsize_wid = g_io_add_watch_full(extra_getsize_info->getsize_io,
+               G_PRIORITY_HIGH, G_IO_IN, getsize_io_handler, job, NULL);
+       if (!getsize_wid) {
+               ERR("failed to add io watch");
+               return -1;
        }
 
-       pkgmgr_installer_receive_request(pi, argcp, argvp);
-       pkgmgr_installer_send_signal(pi, ptype, pname, "end", "fail");
-       pkgmgr_installer_free(pi);
-       return;
+       return 0;
 }
 
-static gboolean pipe_io_handler(GIOChannel *io, GIOCondition cond, gpointer data)
+static gboolean __signal_handler(GIOChannel *io, GIOCondition cond,
+               gpointer data)
 {
-       int x;
        GError *err = NULL;
        GIOStatus s;
        gsize len;
-       struct signal_info_t info;
-       backend_info *ptr = begin;
+       struct signalfd_siginfo fdsi;
+       struct backend_job *job;
+       struct getsize_sync_extra_info *extra_getsize_info;
+       pid_t pid;
+       int status;
 
-       s = g_io_channel_read_chars(io, (gchar *)&info, sizeof(struct signal_info_t), &len, &err);
-       if (s != G_IO_STATUS_NORMAL) {
-               ERR("Signal pipe read failed: %s", err->message);
+       s = g_io_channel_read_chars(io, (gchar *)&fdsi,
+                       sizeof(struct signalfd_siginfo), &len, &err);
+       if (s != G_IO_STATUS_NORMAL || len != sizeof(struct signalfd_siginfo)) {
+               ERR("Signal read failed");
                g_error_free(err);
                return TRUE;
        }
 
-       for (x = 0; x < num_of_backends; x++, ptr++) {
-               if (ptr && ptr->pid == info.pid)
-                       break;
-       }
+       while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
+               job = (struct backend_job *)g_hash_table_lookup(
+                       backend_info_table, (gconstpointer)pid);
+               if (job == NULL) {
+                       ERR("Unknown child exit");
+                       continue;
+               }
 
-       if (x == num_of_backends) {
-               ERR("Unknown child exit");
-               return -1;
-       }
+               __set_backend_free(job->backend_slot);
+               if (WIFSIGNALED(status)) {
+                       _send_fail_signal(job);
+                       INFO("backend[%s][%d] exit with signal[%d]",
+                               job->backend_type, pid, WTERMSIG(status));
+               } else if (WEXITSTATUS(status)) {
+                       INFO("backend[%s][%d] exit with error",
+                               job->backend_type, pid);
+               } else {
+                       INFO("backend[%s][%d] exit", job->backend_type, pid);
+               }
 
-       __set_backend_free(x);
-       __unset_recovery_mode(ptr->uid, ptr->pkgid, ptr->pkgtype);
-       if (WIFSIGNALED(info.status) || WEXITSTATUS(info.status)) {
-               send_fail_signal(ptr->pkgid, ptr->pkgtype, ptr->args);
-               DBG("backend[%s] exit with error", ptr->pkgtype);
-       } else {
-               DBG("backend[%s] exit", ptr->pkgtype);
+               if (job->req_type == REQUEST_TYPE_GETSIZE_SYNC &&
+                               job->extra_data) {
+                       extra_getsize_info =
+                                       (struct getsize_sync_extra_info *)job->extra_data;
+                       if (extra_getsize_info->getsize_fifo) {
+                               ERR("invalid backend close");
+                               _return_value_to_caller(job->req_id,
+                                       g_variant_new("(ix)",
+                                                       PKGMGR_R_ERROR, -1));
+                       }
+               }
+               g_hash_table_remove(backend_info_table, (gconstpointer)pid);
        }
-
        g_idle_add(queue_job, NULL);
 
        return TRUE;
@@ -297,79 +357,54 @@ static gboolean pipe_io_handler(GIOChannel *io, GIOCondition cond, gpointer data
 
 static int __init_backend_info(void)
 {
-       backend_info *ptr;
-
-       /*Allocate memory for holding pid, pkgtype and pkgid*/
-       ptr = (backend_info*)calloc(num_of_backends, sizeof(backend_info));
-       if (ptr == NULL) {
-               DBG("Malloc Failed\n");
-               return -1;
-       }
-       begin = ptr;
-
-       if (pipe(pipe_sig)) {
-               ERR("create pipe failed");
-               return -1;
-       }
-
-       pipe_io = g_io_channel_unix_new(pipe_sig[0]);
-       g_io_channel_set_encoding(pipe_io, NULL, NULL);
-       g_io_channel_set_buffered(pipe_io, FALSE);
-       pipe_wid = g_io_add_watch(pipe_io, G_IO_IN, pipe_io_handler, NULL);
+       backend_info_table = g_hash_table_new_full(g_direct_hash,
+                       g_direct_equal, NULL,
+                       (GDestroyNotify)_free_backend_job);
 
        return 0;
 }
 
 static void __fini_backend_info(void)
 {
-       g_source_remove(pipe_wid);
-       g_io_channel_unref(pipe_io);
-       close(pipe_sig[0]);
-       close(pipe_sig[1]);
-
        /*Free backend info */
-       free(begin);
-}
-
-static void sighandler(int signo)
-{
-       struct signal_info_t info;
-
-       info.pid = waitpid(-1, &info.status, WNOHANG);
-       if (write(pipe_sig[1], &info, sizeof(struct signal_info_t)) < 0)
-               ERR("failed to write result: %s", strerror(errno));
+       g_hash_table_destroy(backend_info_table);
 }
 
 static int __register_signal_handler(void)
 {
-       static int sig_reg = 0;
-       struct sigaction act;
+       sigset_t mask;
+       int sfd;
 
-       if (sig_reg)
-               return 0;
+       sigemptyset(&mask);
+       sigaddset(&mask, SIGCHLD);
+
+       if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) {
+               ERR("sigprocmask failed");
+               return -1;
+       }
 
-       act.sa_handler = sighandler;
-       sigemptyset(&act.sa_mask);
-       act.sa_flags = SA_NOCLDSTOP;
-       if (sigaction(SIGCHLD, &act, NULL) < 0) {
-               ERR("signal: SIGCHLD failed\n");
+       sfd = signalfd(-1, &mask, SFD_NONBLOCK);
+       if (sfd == -1) {
+               ERR("signalfd failed");
                return -1;
        }
 
-       g_timeout_add_seconds(2, exit_server, NULL);
+       sio = g_io_channel_unix_new(sfd);
+       g_io_channel_set_close_on_unref(sio, TRUE);
+       g_io_channel_set_encoding(sio, NULL, NULL);
+       g_io_channel_set_buffered(sio, FALSE);
+       swid = g_io_add_watch(sio, G_IO_IN, __signal_handler, NULL);
+
+       g_timeout_add_seconds_full(G_PRIORITY_LOW, 2, exit_server, NULL, NULL);
 
-       sig_reg = 1;
        return 0;
 }
 
 static int __check_backend_status_for_exit(void)
 {
-       int i = 0;
-       for(i = 0; i < num_of_backends; i++)
-       {
-               if (!__is_backend_busy(i))
-                       continue;
-               else
+       int i;
+       for (i = 0; i < num_of_backends; i++) {
+               if (__is_backend_busy(i))
                        return 0;
        }
        return 1;
@@ -377,30 +412,9 @@ static int __check_backend_status_for_exit(void)
 
 static int __check_queue_status_for_exit(void)
 {
-       pm_queue_data *head[MAX_QUEUE_NUM] = {NULL,};
-       queue_info_map *ptr = NULL;
-       ptr = start;
-       int i = 0;
-       int c = 0;
-       int slot = -1;
-       for(i = 0; i < entries; i++)
-       {
-               if (ptr->queue_slot <= slot) {
-                       ptr++;
-                       continue;
-               }
-               else {
-                       head[c] = ptr->head;
-                       slot = ptr->queue_slot;
-                       c++;
-                       ptr++;
-               }
-       }
-       for(i = 0; i < num_of_backends; i++)
-       {
-               if (!head[i])
-                       continue;
-               else
+       int i;
+       for (i = 0; i < num_of_backends; i++) {
+               if (_is_queue_empty(i) == 0)
                        return 0;
        }
        return 1;
@@ -408,129 +422,122 @@ static int __check_queue_status_for_exit(void)
 
 gboolean exit_server(void *data)
 {
-       DBG("exit_server Start\n");
+       DBG("exit_server Start");
        if (__check_backend_status_for_exit() &&
-                       __check_queue_status_for_exit()) {
-               if (!getenv("PMS_STANDALONE")) {
-                       g_main_loop_quit(mainloop);
-                       return FALSE;
-               }
+                       __check_queue_status_for_exit() && !is_drm_busy) {
+               g_main_loop_quit(mainloop);
+               if (is_lock_set)
+                       __release_power_lock();
+               return FALSE;
        }
        return TRUE;
 }
 
-static int __pkgcmd_read_proc(const char *path, char *buf, int size)
+static int __check_csr(const char *path)
 {
-       int fd;
        int ret;
-       if (buf == NULL || path == NULL)
-               return -1;
-       fd = open(path, O_RDONLY);
-       if (fd < 0)
-               return -1;
-       ret = read(fd, buf, size - 1);
-       if (ret <= 0) {
-               close(fd);
-               return -1;
-       } else
-               buf[ret] = 0;
-       close(fd);
-       return ret;
-}
+       void *context;
+       void *malware;
+       void *lib_handle;
+       int (*_csr_cs_context_create)(void **handle);
+       int (*_csr_cs_scan_file)(void *handle, const char *file_path, void **malware);
+       int (*_csr_cs_context_destroy)(void *handle);
+
+       lib_handle = dlopen(PATH_LIBCSR_CLIENT, RTLD_LAZY);
+       if (!lib_handle) {
+               DBG("Unable to open %s", PATH_LIBCSR_CLIENT);
+               return 0;
+       }
 
-static int __pkgcmd_find_pid_by_cmdline(const char *dname,
-                       const char *cmdline, const char *apppath)
-{
-       int pid = 0;
+       _csr_cs_context_create = dlsym(lib_handle, "csr_cs_context_create");
+       _csr_cs_scan_file = dlsym(lib_handle, "csr_cs_scan_file");
+       _csr_cs_context_destroy = dlsym(lib_handle, "csr_cs_context_destroy");
 
-       if (strcmp(cmdline, apppath) == 0) {
-               pid = atoi(dname);
-               if (pid != getpgid(pid))
-                       pid = 0;
+       if (!_csr_cs_context_create || !_csr_cs_scan_file ||
+                       !_csr_cs_context_destroy) {
+               ERR("Failed to load CSR symbols");
+               ret = -1;
+               goto catch;
        }
-       return pid;
-}
-
-static int __pkgcmd_proc_iter_kill_cmdline(const char *apppath, int option)
-{
-       DIR *dp;
-       struct dirent *dentry;
-       int pid;
-       int ret;
-       char buf[1024] = {'\0'};
-       int pgid;
 
-       dp = opendir("/proc");
-       if (dp == NULL) {
-               return -1;
+       ret = _csr_cs_context_create(&context);
+       if (ret != 0) {
+               ERR("Failed to create context");
+               ret = -1;
+               goto catch;
        }
 
-       while ((dentry = readdir(dp)) != NULL) {
-               if (!isdigit(dentry->d_name[0]))
-                       continue;
+       ret = _csr_cs_scan_file(context, path, &malware);
+       if (ret != 0) {
+               DBG("CSR result[%d]", ret);
+               ret = 0;
+               goto catch;
+       }
 
-               snprintf(buf, sizeof(buf), "/proc/%s/cmdline", dentry->d_name);
-               ret = __pkgcmd_read_proc(buf, buf, sizeof(buf));
-               if (ret <= 0)
-                       continue;
+       ret = _csr_cs_context_destroy(context);
+       if (ret != 0) {
+               ERR("Failed to destroy context");
+               ret = -1;
+               goto catch;
+       }
 
-               pid = __pkgcmd_find_pid_by_cmdline(dentry->d_name, buf, apppath);
-               if (pid > 0) {
-                       if (option == 0) {
-                               closedir(dp);
-                               return pid;
-                       }
-                       pgid = getpgid(pid);
-                       if (pgid <= 1) {
-                               closedir(dp);
-                               return -1;
-                       }
-                       if (killpg(pgid, SIGKILL) < 0) {
-                               closedir(dp);
-                               return -1;
-                       }
-                       closedir(dp);
-                       return pid;
-               }
+       if (malware != NULL) {
+               ERR("CSR detected malware from [%s]", path);
+               ret = -1;
        }
-       closedir(dp);
-       return 0;
+
+catch:
+       if (lib_handle)
+               dlclose(lib_handle);
+
+       return ret;
 }
 
-static void __make_pid_info_file(char *req_key, int pid)
+static int __kill_app(char *appid, uid_t uid)
 {
-       FILE* file;
-       int fd;
-       char buf[MAX_PKG_TYPE_LEN] = {0};
-       char info_file[PATH_MAX] = {'\0'};
+       int ret;
+       int pid;
+       int is_running;
 
-       if(req_key == NULL)
-               return;
+       is_running = aul_app_is_running_for_uid(appid, uid);
+       /* app is not running */
+       if (!is_running)
+               return 0;
 
-       snprintf(info_file, PATH_MAX, "/tmp/pkgmgr/%s", req_key);
+       pid = aul_app_get_pid_for_uid(appid, uid);
+       if (pid == -1)
+               return -1;
 
-       DBG("info_path(%s)", info_file);
-       file = fopen(info_file, "w");
-       if (file == NULL) {
-               ERR("Couldn't open the file(%s)", info_file);
-               return;
+       ret = aul_terminate_pid_for_uid(pid, uid);
+       if (ret != AUL_R_OK) {
+               ERR("failed to terminate app(%s)", appid);
+               return -1;
        }
 
-       snprintf(buf, MAX_PKG_TYPE_LEN, "%d\n", pid);
-       fwrite(buf, 1, strlen(buf), file);
+       return 0;
+}
+
+static int __check_app(char *appid, uid_t uid)
+{
+       int pid;
+       int is_running;
+
+       is_running = aul_app_is_running_for_uid(appid, uid);
+       if (!is_running)
+               return 0;
 
-       fflush(file);
-       fd = fileno(file);
-       fsync(fd);
-       fclose(file);
+       pid = aul_app_get_pid_for_uid(appid, uid);
+
+       return pid;
 }
 
 static int __pkgcmd_app_cb(const pkgmgrinfo_appinfo_h handle, void *user_data)
 {
        char *pkgid;
+       char *appid;
        char *exec;
        int ret;
-       int pid = -1;
+       pkgcmd_data *pdata = (pkgcmd_data *)user_data;
 
        if (handle == NULL) {
                perror("appinfo handle is NULL\n");
@@ -541,30 +548,36 @@ static int __pkgcmd_app_cb(const pkgmgrinfo_appinfo_h handle, void *user_data)
                perror("Failed to get app exec path\n");
                exit(1);
        }
+       ret = pkgmgrinfo_appinfo_get_appid(handle, &appid);
+       if (ret) {
+               perror("Failed to get appid\n");
+               exit(1);
+       }
        ret = pkgmgrinfo_appinfo_get_pkgid(handle, &pkgid);
        if (ret) {
                perror("Failed to get pkgid\n");
                exit(1);
        }
 
-       if (strcmp(user_data, "kill") == 0)
-               pid = __pkgcmd_proc_iter_kill_cmdline(exec, 1);
-       else if(strcmp(user_data, "check") == 0)
-               pid = __pkgcmd_proc_iter_kill_cmdline(exec, 0);
-
-       __make_pid_info_file(pkgid, pid);
+       if (strcmp(pdata->cmd, "kill") == 0) {
+               pdata->pid = __check_app(appid, pdata->uid);
+               if (pdata->pid > 0)
+                       ret = __kill_app(appid, pdata->uid);
+       } else if (strcmp(pdata->cmd, "check") == 0) {
+               pdata->pid = __check_app(appid, pdata->uid);
+       }
 
        return 0;
 }
 
-void free_user_context(user_ctxctx)
+void free_user_context(user_ctx *ctx)
 {
        char **env = NULL;
        int i = 0;
        if (!ctx)
                return;
        env = ctx->env;
-       //env variable ends by NULL element
+       /* env variable ends by NULL element */
        while (env[i]) {
                free(env[i]);
                i++;
@@ -579,18 +592,56 @@ int set_environement(user_ctx *ctx)
        int i = 0;
        int res = 0;
        char **env = NULL;
+       int n;
+       gid_t *groups;
+
        if (!ctx)
-               return -1;;
-       if (setgid(ctx->gid)) {
-               ERR("setgid failed: %d", errno);
+               return -1;
+
+       if (ctx->uid != APPFW_UID) {
+               if (setuid(ctx->uid)) {
+                       ERR("setuid failed: %d", errno);
+                       return -1;
+               }
+
+               if (setgid(ctx->gid)) {
+                       ERR("setgid failed: %d", errno);
+                       return -1;
+               }
+       }
+
+       n = getgroups(0, NULL);
+       if (n < 0) {
+               ERR("Failed to get the number of supplementary group IDs");
+               return -1;
+       }
+
+       groups = (gid_t *)calloc(1, sizeof(gid_t) * (n + 3));
+       if (groups == NULL) {
+               ERR("out of memory");
+               return -1;
+       }
+
+       n = getgroups(n, groups);
+       if (n < 0) {
+               ERR("Failed to get list of supplementary group IDs");
+               free(groups);
                return -1;
        }
-       if (setuid(ctx->uid)) {
-               ERR("setuid failed: %d", errno);
+
+       groups[n++] = EXT_STORAGE_GROUP;
+       groups[n++] = EXT_STORAGE_APPDATA_GROUP;
+       groups[n++] = MEDIA_STORAGE_GROUP;
+
+       if (setgroups(n, groups) < 0) {
+               ERR("setgroups failed: %d", errno);
+               free(groups);
                return -1;
        }
+       free(groups);
+
        env = ctx->env;
-       //env variable ends by NULL element
+       /* env variable ends by NULL element */
        while (env[i]) {
                if (putenv(env[i]) != 0)
                        res = -1;
@@ -599,7 +650,7 @@ int set_environement(user_ctx *ctx)
        return res;
 }
 
-user_ctxget_user_context(uid_t uid)
+user_ctx *get_user_context(uid_t uid)
 {
        /* we can use getpwnam because this is used only after a
         * fork and just before an execv
@@ -608,12 +659,14 @@ user_ctx* get_user_context(uid_t uid)
         */
        user_ctx *context_res;
        char **env = NULL;
-       struct passwd * pwd;
+       char buf[1024] = {0, };
+       struct passwd pwd, *result;
        int len;
        int ret = 0;
+       int i;
 
-       pwd = getpwuid(uid);
-       if (!pwd)
+       ret = getpwuid_r(uid, &pwd, buf, sizeof(buf), &result);
+       if (ret != 0 || result == NULL)
                return NULL;
 
        do {
@@ -622,35 +675,34 @@ user_ctx* get_user_context(uid_t uid)
                        ret = -1;
                        break;
                }
-               env = (char**)malloc(3* sizeof(char *));
+               env = (char **)malloc(3 * sizeof(char *));
                if (!env) {
                        ret = -1;
                        break;
                }
-               // Build environment context
-               len = snprintf(NULL,0, "HOME=%s", pwd->pw_dir);
-               env[0] = (char*)malloc((len + 1)* sizeof(char));
-               if(env[0] == NULL) {
+               /* Build environment context */
+               len = snprintf(NULL, 0, "HOME=%s", pwd.pw_dir);
+               env[0] = (char *)malloc((len + 1) * sizeof(char));
+               if (env[0] == NULL) {
                        ret = -1;
                        break;
                }
-               sprintf(env[0], "HOME=%s", pwd->pw_dir);
-               len = snprintf(NULL,0, "USER=%s", pwd->pw_name);
-               env[1] = (char*)malloc((len + 1)* sizeof(char));
-               if(env[1] == NULL) {
+               snprintf(env[0], len + 1, "HOME=%s", pwd.pw_dir);
+               len = snprintf(NULL, 0, "USER=%s", pwd.pw_name);
+               env[1] = (char *)malloc((len + 1) * sizeof(char));
+               if (env[1] == NULL) {
                        ret = -1;
                        break;
                }
-
-               sprintf(env[1], "USER=%s", pwd->pw_name);
+               snprintf(env[1], len + 1, "USER=%s", pwd.pw_name);
                env[2] = NULL;
        } while (0);
 
        if (ret == -1) {
                free(context_res);
                context_res = NULL;
-               int i = 0;
-               //env variable ends by NULL element
+               i = 0;
+               /* env variable ends by NULL element */
                while (env && env[i]) {
                        free(env[i]);
                        i++;
@@ -660,7 +712,7 @@ user_ctx* get_user_context(uid_t uid)
        } else {
                context_res->env = env;
                context_res->uid = uid;
-               context_res->gid = pwd->pw_gid;
+               context_res->gid = pwd.pw_gid;
        }
        return context_res;
 }
@@ -680,11 +732,10 @@ static char **__generate_argv(const char *args)
        GError *gerr = NULL;
        int i;
 
-       ret_parse = g_shell_parse_argv(args,
-                       &argcp, &argvp, &gerr);
+       ret_parse = g_shell_parse_argv(args, &argcp, &argvp, &gerr);
        if (FALSE == ret_parse) {
-               DBG("Failed to split args: %s", args);
-               DBG("messsage: %s", gerr->message);
+               ERR("Failed to split args: %s", args);
+               ERR("messsage: %s", gerr->message);
                exit(1);
        }
 
@@ -700,19 +751,19 @@ void __set_environment(gpointer user_data)
        user_ctx *ctx = (user_ctx *)user_data;
 
        if (set_environement(ctx))
-               DBG("Failed to set env for the user : %d", ctx->uid);
+               ERR("Failed to set env for the user : %d", ctx->uid);
 }
 
 static int __fork_and_exec_with_args(char **argv, uid_t uid)
 {
-       user_ctxuser_context;
+       user_ctx *user_context;
        GError *error = NULL;
        gboolean ret;
        int pid;
 
        user_context = get_user_context(uid);
        if (!user_context) {
-               DBG("Failed to getenv for the user : %d", uid);
+               ERR("Failed to getenv");
                return -1;
        }
 
@@ -722,6 +773,8 @@ static int __fork_and_exec_with_args(char **argv, uid_t uid)
        if (ret != TRUE) {
                ERR("Failed to excute backend: %s", error->message);
                g_error_free(error);
+               free_user_context(user_context);
+               return -1;
        }
 
        free_user_context(user_context);
@@ -729,307 +782,704 @@ static int __fork_and_exec_with_args(char **argv, uid_t uid)
        return pid;
 }
 
-void __change_item_info(pm_dbus_msg *item, uid_t uid)
+static int __change_job_info(struct backend_job *job, uid_t uid,
+               bool *is_global)
 {
        int ret = 0;
        char *pkgid = NULL;
        pkgmgrinfo_appinfo_h handle = NULL;
+       if (job->req_type != REQUEST_TYPE_DISABLE_APP &&
+                       job->req_type != REQUEST_TYPE_DISABLE_GLOBAL_APP_FOR_UID &&
+                       job->req_type != REQUEST_TYPE_ENABLE_APP_SPLASH_SCREEN &&
+                       job->req_type != REQUEST_TYPE_DISABLE_APP_SPLASH_SCREEN &&
+                       job->req_type != REQUEST_TYPE_ENABLE_APP &&
+                       job->req_type != REQUEST_TYPE_ENABLE_GLOBAL_APP_FOR_UID)
+               return PMINFO_R_ERROR;
+
+       ret = pkgmgrinfo_appinfo_get_usr_all_appinfo(job->pkgid, uid, &handle);
+       if (ret != PMINFO_R_OK)
+               return PMINFO_R_ERROR;
 
-       switch (item->req_type) {
-       case PKGMGR_REQUEST_TYPE_DISABLE_APP:
-       case PKGMGR_REQUEST_TYPE_DISABLE_GLOBAL_APP_FOR_UID:
-               ret = pkgmgrinfo_appinfo_get_usr_appinfo(item->pkgid, uid, &handle);
-               break;
-
-       case PKGMGR_REQUEST_TYPE_ENABLE_APP:
-       case PKGMGR_REQUEST_TYPE_ENABLE_GLOBAL_APP_FOR_UID:
-               ret = pkgmgrinfo_appinfo_get_usr_disabled_appinfo(item->pkgid, uid, &handle);
-               break;
+       ret = pkgmgrinfo_appinfo_is_global(handle, is_global);
+       if (ret != PMINFO_R_OK)
+               goto catch;
 
-       default:
-               return;
+       if ((job->req_type == REQUEST_TYPE_DISABLE_GLOBAL_APP_FOR_UID ||
+                       job->req_type ==
+                       REQUEST_TYPE_ENABLE_GLOBAL_APP_FOR_UID) &&
+                       !*is_global) {
+               ret = PMINFO_R_ERROR;
+               goto catch;
        }
 
-       if (ret != PMINFO_R_OK)
-               return;
-
        ret = pkgmgrinfo_appinfo_get_pkgid(handle, &pkgid);
-       if (ret != PMINFO_R_OK) {
-               pkgmgrinfo_appinfo_destroy_appinfo(handle);
-               return;
-       }
+       if (ret != PMINFO_R_OK)
+               goto catch;
 
-       strncpy(item->appid, item->pkgid, sizeof(item->pkgid) - 1);
-       memset((item->pkgid),0,MAX_PKG_NAME_LEN);
-       strncpy(item->pkgid, pkgid, sizeof(item->pkgid) - 1);
+       free(job->appid);
+       job->appid = strdup(job->pkgid);
+       free(job->pkgid);
+       job->pkgid = strdup(pkgid);
 
+catch:
        pkgmgrinfo_appinfo_destroy_appinfo(handle);
+
+       return ret;
 }
 
-static int __process_install(pm_dbus_msg *item)
+static int __process_install(struct backend_job *job)
 {
        char *backend_cmd;
        char **argv;
-       char args[MAX_PKG_ARGS_LEN] = {'\0', };
+       char args[MAX_PKG_ARGS_LEN];
+       gchar *req_id;
+       gchar *pkgid;
        int pid;
 
-       backend_cmd = _get_backend_cmd(item->pkg_type);
+       backend_cmd = job->backend_path;
        if (backend_cmd == NULL)
                return -1;
 
-       snprintf(args, sizeof(args), "%s -k %s -i %s %s", backend_cmd,
-                       item->req_id, item->pkgid, item->args);
+       req_id = g_shell_quote(job->req_id);
+       if (!req_id)
+               return -1;
+       pkgid = g_shell_quote(job->pkgid);
+       if (!pkgid) {
+               g_free(req_id);
+               return -1;
+       }
+
+       snprintf(args, sizeof(args), "%s -k %s -i %s -u %d %s", backend_cmd,
+                       req_id, pkgid, (int)job->target_uid, job->args);
 
        argv = __generate_argv(args);
 
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
        g_strfreev(argv);
-       free(backend_cmd);
+       g_free(req_id);
+       g_free(pkgid);
 
        return pid;
 }
 
-static int __process_reinstall(pm_dbus_msg *item)
+static int __process_mount_install(struct backend_job *job)
 {
        char *backend_cmd;
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
+       gchar *req_id;
+       gchar *pkgid;
        int pid;
 
-       backend_cmd = _get_backend_cmd(item->pkg_type);
+       backend_cmd = job->backend_path;
        if (backend_cmd == NULL)
                return -1;
 
-       snprintf(args, sizeof(args), "%s -k %s -r %s", backend_cmd,
-                       item->req_id, item->pkgid);
-       argv = __generate_argv(args);
+       req_id = g_shell_quote(job->req_id);
+       if (!req_id)
+               return -1;
+       pkgid = g_shell_quote(job->pkgid);
+       if (!pkgid) {
+               g_free(req_id);
+               return -1;
+       }
+       snprintf(args, sizeof(args), "%s -k %s -w %s -u %d %s", backend_cmd,
+                       req_id, pkgid, (int)job->target_uid, job->args);
 
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       argv = __generate_argv(args);
 
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
        g_strfreev(argv);
-       free(backend_cmd);
+       g_free(req_id);
+       g_free(pkgid);
 
        return pid;
 }
 
-static int __process_uninstall(pm_dbus_msg *item)
+static int __process_reinstall(struct backend_job *job)
 {
        char *backend_cmd;
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
+       gchar *req_id;
+       gchar *pkgid;
        int pid;
 
-       backend_cmd = _get_backend_cmd(item->pkg_type);
+       backend_cmd = job->backend_path;
        if (backend_cmd == NULL)
                return -1;
 
-       snprintf(args, sizeof(args), "%s -k %s -d %s", backend_cmd,
-                       item->req_id, item->pkgid);
+       req_id = g_shell_quote(job->req_id);
+       if (!req_id)
+               return -1;
+       pkgid = g_shell_quote(job->pkgid);
+       if (!pkgid) {
+               g_free(req_id);
+               return -1;
+       }
+
+       snprintf(args, sizeof(args), "%s -k %s -r %s -u %d", backend_cmd,
+                       req_id, pkgid, (int)job->target_uid);
        argv = __generate_argv(args);
 
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
 
        g_strfreev(argv);
-       free(backend_cmd);
+       g_free(req_id);
+       g_free(pkgid);
 
        return pid;
 }
 
-static int __process_move(pm_dbus_msg *item)
+static int __process_uninstall(struct backend_job *job)
 {
        char *backend_cmd;
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
        int pid;
 
-       backend_cmd = _get_backend_cmd(item->pkg_type);
+       backend_cmd = job->backend_path;
        if (backend_cmd == NULL)
                return -1;
 
-       /* TODO: set movetype */
-       snprintf(args, sizeof(args), "%s -k %s -m %s -t %s", backend_cmd,
-                       item->req_id, item->pkgid, item->args);
+       snprintf(args, sizeof(args), "%s -k %s -d %s -u %d", backend_cmd,
+                       job->req_id, job->pkgid, (int)job->target_uid);
        argv = __generate_argv(args);
 
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
 
        g_strfreev(argv);
-       free(backend_cmd);
 
        return pid;
 }
 
-static int __process_enable_pkg(pm_dbus_msg *item)
-{
-       /* TODO */
-       return 0;
-}
-
-static int __process_disable_pkg(pm_dbus_msg *item)
+static int __process_move(struct backend_job *job)
 {
-       /* TODO */
-       return 0;
-}
+       char *backend_cmd;
+       char **argv;
+       char args[MAX_PKG_ARGS_LEN];
+       int pid;
 
-static int __process_enable_app(pm_dbus_msg *item)
-{
-       int ret = -1;
+       backend_cmd = job->backend_path;
+       if (backend_cmd == NULL)
+               return -1;
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "start", "enable_app");
+       snprintf(args, sizeof(args), "%s -k %s -m %s -u %d -t %s", backend_cmd,
+                       job->req_id, job->pkgid, (int)job->target_uid, job->args);
+       argv = __generate_argv(args);
 
-       /* get actual pkgid and replace it to appid which is currently stored at pkgid variable */
-       __change_item_info(item, item->uid);
-       if (strlen(item->appid) == 0) {
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "end", "fail");
-               return ret;
-       }
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
 
-       ret = pkgmgr_parser_update_app_disable_info_in_usr_db(item->appid, item->uid, 0);
-       if (ret != PMINFO_R_OK)
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "fail");
-       else
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "ok");
+       g_strfreev(argv);
 
-       return ret;
+       return pid;
 }
 
-static int __process_disable_app(pm_dbus_msg *item)
+static int __process_enable_pkg(struct backend_job *job)
 {
-       int ret = -1;
+       char *backend_cmd;
+       char **argv;
+       char args[MAX_PKG_ARGS_LEN];
+       pkgmgrinfo_pkginfo_h pkginfo_h;
+       bool is_readonly;
+       bool is_global;
+       int ret;
+       int pid;
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "start", "disable_app");
+       backend_cmd = job->backend_path;
+       if (backend_cmd == NULL)
+               return -1;
 
-       /* get actual pkgid and replace it to appid which is currently stored at pkgid variable */
-       __change_item_info(item, item->uid);
-       if (strlen(item->appid) == 0) {
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "end", "fail");
-               return ret;
+       ret = pkgmgrinfo_pkginfo_get_usr_disabled_pkginfo(
+                       job->pkgid, job->target_uid, &pkginfo_h);
+       if (ret != PMINFO_R_OK) {
+               ERR("Failed to get appinfo");
+               return -1;
        }
 
-       ret = pkgmgr_parser_update_app_disable_info_in_usr_db(item->appid, item->uid, 1);
-       if (ret != PMINFO_R_OK)
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "fail");
+       ret = pkgmgrinfo_pkginfo_is_global(pkginfo_h, &is_global);
+       if (ret != PMINFO_R_OK) {
+               ERR("Failed to get global value");
+               pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+               return -1;
+       }
+
+       if ((is_global && job->target_uid != GLOBAL_USER) ||
+                       (!is_global && job->target_uid == GLOBAL_USER)) {
+               ERR("Invalid attempt to enable pkg");
+               pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+               return -1;
+       }
+
+       ret = pkgmgrinfo_pkginfo_is_readonly(pkginfo_h, &is_readonly);
+       if (ret != PMINFO_R_OK) {
+               ERR("Failed to get readonly value");
+               pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+               return -1;
+       }
+
+       snprintf(args, sizeof(args), "%s -k %s -u %d -A %s %s",
+                       backend_cmd, job->req_id, (int)job->target_uid,
+                       job->pkgid, (is_readonly) ? "--preload" : "");
+       argv = __generate_argv(args);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
+
+       g_strfreev(argv);
+       pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+
+       return pid;
+}
+
+static int __process_disable_pkg(struct backend_job *job)
+{
+       char *backend_cmd;
+       char **argv;
+       char args[MAX_PKG_ARGS_LEN];
+       pkgmgrinfo_pkginfo_h pkginfo_h;
+       bool is_readonly;
+       bool is_global;
+       int ret;
+       int pid;
+
+       backend_cmd = job->backend_path;
+       if (backend_cmd == NULL)
+               return -1;
+
+       ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(
+                       job->pkgid, job->target_uid, &pkginfo_h);
+       if (ret != PMINFO_R_OK) {
+               ERR("Failed to get appinfo");
+               return -1;
+       }
+
+       ret = pkgmgrinfo_pkginfo_is_global(pkginfo_h, &is_global);
+       if (ret != PMINFO_R_OK) {
+               ERR("Failed to get global value");
+               pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+               return -1;
+       }
+
+       if ((is_global && job->target_uid != GLOBAL_USER) ||
+                       (!is_global && job->target_uid == GLOBAL_USER)) {
+               ERR("Invalid attempt to disable pkg");
+               pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+               return -1;
+       }
+
+       ret = pkgmgrinfo_pkginfo_is_readonly(pkginfo_h, &is_readonly);
+       if (ret != PMINFO_R_OK) {
+               ERR("Failed to get readonly value");
+               pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+               return -1;
+       }
+
+       snprintf(args, sizeof(args), "%s -k %s -u %d -D %s %s",
+                       backend_cmd, job->req_id, (int)job->target_uid,
+                       job->pkgid, (is_readonly) ? "--preload" : "");
+       argv = __generate_argv(args);
+
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
+
+       g_strfreev(argv);
+
+       pkgmgrinfo_pkginfo_destroy_pkginfo(pkginfo_h);
+       return pid;
+}
+
+static int __process_register_pkg_update_info(struct backend_job *job)
+{
+       int ret;
+
+       if (!job->extra_data) {
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+               return -1;
+       }
+
+       ret = pkgmgr_parser_register_pkg_update_info_in_usr_db(
+                       (pkgmgrinfo_updateinfo_h)job->extra_data, job->target_uid);
+       if (ret == PMINFO_R_OK)
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(i)", PKGMGR_R_OK));
        else
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "ok");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+
+       pkgmgrinfo_updateinfo_destroy(job->extra_data);
+       job->extra_data = NULL;
+
+       return ret;
+}
+
+static int __process_unregister_pkg_update_info(struct backend_job *job)
+{
+       int ret = pkgmgr_parser_unregister_pkg_update_info_in_usr_db
+                       (job->pkgid, job->target_uid);
+
+       if (ret == PMINFO_R_OK)
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(i)", PKGMGR_R_OK));
+       else
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+       return ret;
+}
+
+static int __process_unregister_all_pkg_update_info(struct backend_job *job)
+{
+       int ret = pkgmgr_parser_unregister_all_pkg_update_info_in_usr_db(
+                       job->target_uid);
+
+       if (ret != PMINFO_R_OK) {
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+               return ret;
+       }
+
+       if (__is_admin_user(job->caller_uid)) {
+               ret = pkgmgr_parser_unregister_all_pkg_update_info_in_usr_db(
+                               GLOBAL_USER);
+               if (ret != PMINFO_R_OK) {
+                       _return_value_to_caller(job->req_id,
+                                       g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+                       return ret;
+               }
+       }
+       _return_value_to_caller(job->req_id,
+                       g_variant_new("(i)", PKGMGR_R_OK));
 
        return ret;
 }
 
-static int __process_enable_global_app_for_uid(pm_dbus_msg *item)
+static int __process_enable_app(struct backend_job *job)
 {
        int ret = -1;
+       bool is_global = false;
+
+       /* get actual pkgid and replace it to appid which is currently stored
+        * at pkgid variable
+        */
+       ret = __change_job_info(job, job->target_uid, &is_global);
+       if (ret != PMINFO_R_OK || strlen(job->appid) == 0) {
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_START_KEY_STR,
+                               PKGMGR_INSTALLER_APP_ENABLE_EVENT_STR,
+                               job->req_type);
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
+               return ret;
+       }
+
+       _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                       PKGMGR_INSTALLER_START_KEY_STR,
+                       PKGMGR_INSTALLER_APP_ENABLE_EVENT_STR, job->req_type);
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "start", "enable_global_app_for_uid");
+       ret = pkgmgr_parser_update_app_disable_info_in_usr_db(job->appid,
+                       job->target_uid, 0);
+       if (ret != PMINFO_R_OK)
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
+       else
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_OK_EVENT_STR,
+                               job->req_type);
+
+       return ret;
+}
 
-       /* get actual pkgid and replace it to appid which is currently stored at pkgid variable */
-       __change_item_info(item, GLOBAL_USER);
-       if (strlen(item->appid) == 0) {
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "end", "fail");
+static int __process_disable_app(struct backend_job *job)
+{
+       int ret = -1;
+       bool is_global = false;
+
+       /* get actual pkgid and replace it to appid which is currently stored
+        * at pkgid variable
+        */
+       ret = __change_job_info(job, job->target_uid, &is_global);
+       if (ret != PMINFO_R_OK || strlen(job->appid) == 0) {
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_START_KEY_STR,
+                               PKGMGR_INSTALLER_APP_DISABLE_EVENT_STR,
+                               job->req_type);
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
                return ret;
        }
 
-       ret = pkgmgr_parser_update_global_app_disable_for_uid_info_in_db(item->appid, item->uid, 0);
+       _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                       PKGMGR_INSTALLER_START_KEY_STR,
+                       PKGMGR_INSTALLER_APP_DISABLE_EVENT_STR, job->req_type);
+
+       ret = __kill_app(job->appid, job->target_uid);
+       if (ret != 0) {
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
+       }
+
+       ret = pkgmgr_parser_update_app_disable_info_in_usr_db(job->appid,
+                       job->target_uid, 1);
        if (ret != PMINFO_R_OK)
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "fail");
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
        else
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "ok");
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_OK_EVENT_STR,
+                               job->req_type);
 
        return ret;
 }
 
-static int __process_disable_global_app_for_uid(pm_dbus_msg *item)
+static int __process_enable_global_app_for_uid(struct backend_job *job)
 {
        int ret = -1;
+       bool is_global = true;
+
+       /* get actual pkgid and replace it to appid which is currently stored
+        * at pkgid variable
+        */
+       ret = __change_job_info(job, job->target_uid, &is_global);
+       if (ret != PMINFO_R_OK || strlen(job->appid) == 0) {
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_START_KEY_STR,
+                               PKGMGR_INSTALLER_APP_ENABLE_EVENT_STR,
+                               job->req_type);
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
+               return ret;
+       }
+
+       _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                       PKGMGR_INSTALLER_START_KEY_STR,
+                       PKGMGR_INSTALLER_APP_ENABLE_EVENT_STR,
+                       job->req_type);
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "start", "disable_global_app_for_uid");
+       ret = pkgmgr_parser_update_global_app_disable_for_uid_info_in_db(
+                       job->appid, job->target_uid, 0);
+       if (ret != PMINFO_R_OK)
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
+       else
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_OK_EVENT_STR,
+                               job->req_type);
 
-       /* get actual pkgid and replace it to appid which is currently stored at pkgid variable */
-       __change_item_info(item, GLOBAL_USER);
-       if (strlen(item->appid) == 0) {
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->pkgid, "end", "fail");
+       return ret;
+}
+
+static int __process_disable_global_app_for_uid(struct backend_job *job)
+{
+       int ret = -1;
+       bool is_global = true;
+
+       /* get actual pkgid and replace it to appid which is currently stored
+        * at pkgid variable
+        */
+       ret = __change_job_info(job, GLOBAL_USER, &is_global);
+       if (ret != PMINFO_R_OK || strlen(job->appid) == 0) {
+               _send_app_signal(job->target_uid, job->req_id,
+                               job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_START_KEY_STR,
+                               PKGMGR_INSTALLER_APP_DISABLE_EVENT_STR,
+                               job->req_type);
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->pkgid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
                return ret;
        }
 
-       ret = pkgmgr_parser_update_global_app_disable_for_uid_info_in_db(item->appid, item->uid, 1);
+       _send_app_signal(job->target_uid, job->req_id,
+                       job->pkgid, job->appid,
+                       PKGMGR_INSTALLER_START_KEY_STR,
+                       PKGMGR_INSTALLER_APP_DISABLE_EVENT_STR,
+                       job->req_type);
+
+       ret = __kill_app(job->appid, job->target_uid);
+       ret = pkgmgr_parser_update_global_app_disable_for_uid_info_in_db(
+                       job->appid, job->target_uid, 1);
+
        if (ret != PMINFO_R_OK)
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "fail");
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
        else
-               __send_app_signal(item->uid, item->req_id, item->pkg_type, item->pkgid, item->appid, "end", "ok");
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                               PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_OK_EVENT_STR,
+                               job->req_type);
 
        return ret;
 }
 
-static int __process_getsize(pm_dbus_msg *item)
+static int __process_getsize(struct backend_job *job)
 {
-       static const char *backend_cmd = "/usr/bin/pkg_getsize";
+       static const char backend_cmd[] = "/usr/bin/pkg_getsize";
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
        int pid;
 
-       snprintf(args, sizeof(args), "%s %s %s -k %s", backend_cmd, item->pkgid,
-                       item->args, item->req_id);
+       snprintf(args, sizeof(args), "%s %s %s %d -k %s -u %d",
+                       backend_cmd, job->pkgid, job->args, job->caller_uid,
+                       job->req_id, job->target_uid);
        argv = __generate_argv(args);
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
 
        g_strfreev(argv);
 
        return pid;
 }
 
-static int __process_cleardata(pm_dbus_msg *item)
+static int __process_getsize_sync(struct backend_job *job)
 {
-       char *backend_cmd;
+       static const char backend_cmd[] = "/usr/bin/pkg_getsize";
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
+       char fifo_path[PATH_MAX];
+       struct getsize_sync_extra_info *extra_getsize_info;
        int pid;
 
-       backend_cmd = _get_backend_cmd(item->pkg_type);
-       if (backend_cmd == NULL)
-               return -1;
+       snprintf(fifo_path, sizeof(fifo_path), "/tmp/pkgmgr/%s",
+                       job->req_id);
 
-       /* TODO: set movetype */
-       snprintf(args, sizeof(args), "%s -k %s -c %s", backend_cmd,
-                       item->req_id, item->pkgid);
-       argv = __generate_argv(args);
+       extra_getsize_info = calloc(1, sizeof(struct getsize_sync_extra_info));
+       if (!extra_getsize_info) {
+               ERR("memory alloc failed");
+               goto error;
+       }
 
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       extra_getsize_info->getsize_fifo = strdup(fifo_path);
+       if (!extra_getsize_info->getsize_fifo) {
+               ERR("out of memory");
+               goto error;
+       }
+
+       job->extra_data = extra_getsize_info;
+
+       if (mkfifo(extra_getsize_info->getsize_fifo, 0600) < 0) {
+               ERR("failed to mkfifo");
+               goto error;
+       }
+
+       snprintf(args, sizeof(args), "%s %s %s %d -k %s -u %d --sync",
+                       backend_cmd, job->pkgid, job->args, job->caller_uid,
+                       job->req_id, job->target_uid);
+       argv = __generate_argv(args);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
 
        g_strfreev(argv);
-       free(backend_cmd);
+
+       if (pid < 0) {
+               ERR("failed to execute backend");
+               goto error;
+       }
+       if (__setup_size_info_io(job) < 0) {
+               ERR("failed to setup io handler");
+               goto error;
+       }
 
        return pid;
+
+error:
+       _return_value_to_caller(job->req_id,
+               g_variant_new("(ix)", PKGMGR_R_ERROR, -1));
+       return -1;
 }
 
-static int __process_clearcache(pm_dbus_msg *item)
+static int __process_cleardata(struct backend_job *job)
 {
-       static const char *backend_cmd = "/usr/bin/pkg_clearcache";
+       static const char *backend_cmd = "/usr/bin/pkg_cleardata";
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
        int pid;
 
-       snprintf(args, sizeof(args), "%s %s", backend_cmd, item->pkgid);
+       if ((int)job->target_uid < REGULAR_USER)
+               return -1;
+
+       snprintf(args, sizeof(args), "%s -d -n %s -u %d",
+                       backend_cmd, job->pkgid, job->target_uid);
        argv = __generate_argv(args);
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
 
        g_strfreev(argv);
+       return pid;
+}
 
+static int __process_clearcache(struct backend_job *job)
+{
+       static const char *backend_cmd = "/usr/bin/pkg_cleardata";
+       char **argv;
+       char args[MAX_PKG_ARGS_LEN];
+       int pid;
+
+       if ((int)job->target_uid < REGULAR_USER)
+               return -1;
+
+       snprintf(args, sizeof(args), "%s -c -n %s -u %d",
+                       backend_cmd, job->pkgid, job->target_uid);
+       argv = __generate_argv(args);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
+
+       g_strfreev(argv);
        return pid;
 }
 
-static int __process_kill(pm_dbus_msg *item)
+static int __process_kill(struct backend_job *job)
 {
        int ret;
        pkgmgrinfo_pkginfo_h handle;
+       pkgcmd_data *pdata;
 
-       ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(item->pkgid, item->uid,
+       ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(job->pkgid, job->target_uid,
                        &handle);
        if (ret < 0) {
                ERR("Failed to get handle");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(ii)", PKGMGR_R_ERROR, 0));
                return -1;
        }
 
+       pdata = calloc(1, sizeof(pkgcmd_data));
+       if (pdata == NULL) {
+               ERR("memory alloc failed");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(ii)", PKGMGR_R_ENOMEM, 0));
+               return -1;
+       }
+       pdata->cmd = strdup("kill");
+       if (pdata->cmd == NULL) {
+               ERR("out of memory");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(ii)", PKGMGR_R_ENOMEM, 0));
+               free(pdata);
+               return -1;
+       }
+       pdata->uid = job->target_uid;
        ret = pkgmgrinfo_appinfo_get_usr_list(handle, PMINFO_ALL_APP,
-                       __pkgcmd_app_cb, "kill", item->uid);
+                       __pkgcmd_app_cb, pdata, job->target_uid);
+
+       _return_value_to_caller(job->req_id,
+                       g_variant_new("(ii)", PKGMGR_R_OK, pdata->pid));
+
+       free(pdata->cmd);
+       free(pdata);
        pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
        if (ret < 0) {
                ERR("pkgmgrinfo_appinfo_get_list() failed");
@@ -1039,20 +1489,45 @@ static int __process_kill(pm_dbus_msg *item)
        return 0;
 }
 
-static int __process_check(pm_dbus_msg *item)
+static int __process_check(struct backend_job *job)
 {
        int ret;
        pkgmgrinfo_pkginfo_h handle;
+       pkgcmd_data *pdata;
 
-       ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(item->pkgid, item->uid,
+       ret = pkgmgrinfo_pkginfo_get_usr_pkginfo(job->pkgid, job->target_uid,
                        &handle);
        if (ret < 0) {
                ERR("Failed to get handle");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(ii)", PKGMGR_R_ERROR, 0));
                return -1;
        }
 
+       pdata = calloc(1, sizeof(pkgcmd_data));
+       if (pdata == NULL) {
+               ERR("memory alloc failed");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(ii)", PKGMGR_R_ENOMEM, 0));
+               return -1;
+       }
+       pdata->cmd = strdup("check");
+       if (pdata->cmd == NULL) {
+               ERR("out of memory");
+               _return_value_to_caller(job->req_id,
+                               g_variant_new("(ii)", PKGMGR_R_ENOMEM, 0));
+               free(pdata);
+               return -1;
+       }
+       pdata->uid = job->target_uid;
        ret = pkgmgrinfo_appinfo_get_usr_list(handle, PMINFO_ALL_APP,
-                       __pkgcmd_app_cb, "check", item->uid);
+                       __pkgcmd_app_cb, pdata, job->target_uid);
+
+       _return_value_to_caller(job->req_id,
+                       g_variant_new("(ii)", PKGMGR_R_OK, pdata->pid));
+
+       free(pdata->cmd);
+       free(pdata);
        pkgmgrinfo_pkginfo_destroy_pkginfo(handle);
        if (ret < 0) {
                ERR("pkgmgrinfo_appinfo_get_list() failed");
@@ -1062,387 +1537,517 @@ static int __process_check(pm_dbus_msg *item)
        return 0;
 }
 
-static int __process_generate_license_request(pm_dbus_msg *item)
+static int __load_drm_library(void)
+{
+       if (drm_lib_handle)
+               return 0;
+
+       drm_lib_handle = dlopen(PATH_LIBDRM_SVC_CORE, RTLD_LAZY);
+       if (!drm_lib_handle) {
+               DBG("Unable to open %s", PATH_LIBDRM_SVC_CORE);
+               return -1;
+       }
+
+       _drm_tizen_generate_license_request =
+                       dlsym(drm_lib_handle, "drm_tizen_generate_license_request");
+       if (_drm_tizen_generate_license_request == NULL) {
+               ERR("_drm_tizen_generate_license_request() failed");
+               goto catch;
+       }
+
+       _drm_tizen_register_license =
+                               dlsym(drm_lib_handle, "drm_tizen_register_license");
+       if (_drm_tizen_register_license == NULL) {
+               ERR("_register_license() failed");
+               goto catch;
+       }
+
+       _drm_tizen_decrypt_package =
+                       dlsym(drm_lib_handle, "drm_tizen_decrypt_package");
+       if (_drm_tizen_decrypt_package == NULL) {
+               ERR("_drm_tizen_decrypt_package() failed");
+               goto catch;
+       }
+
+       return 0;
+catch:
+       if (drm_lib_handle) {
+               dlclose(drm_lib_handle);
+               drm_lib_handle = NULL;
+       }
+       return -1;
+}
+
+static void __unload_drm_library(void)
+{
+       if (drm_lib_handle) {
+               dlclose(drm_lib_handle);
+               drm_lib_handle = NULL;
+       }
+}
+
+static int __process_generate_license_request(struct backend_job *job)
 {
-       int ret;
        char *resp_data;
        char req_data[MAX_PKG_ARGS_LEN];
        unsigned int req_data_len;
        char license_url[MAX_PKG_ARGS_LEN];
        unsigned int license_url_len;
+       int ret;
 
-       resp_data = item->args;
+       resp_data = job->args;
        req_data_len = sizeof(req_data);
        license_url_len = sizeof(license_url);
 
-       ret = drm_tizen_generate_license_request(resp_data, strlen(resp_data),
-                       req_data, &req_data_len, license_url, &license_url_len);
-       if (ret != TADC_SUCCESS) {
-               ERR("drm_tizen_generate_license_request failed: %d", ret);
-               __return_value_to_caller(item->req_id, g_variant_new("(iss)",
-                                       PKGMGR_R_ESYSTEM, "", ""));
-               return -1;
+       if (__load_drm_library() != 0) {
+               ERR("Failed to load library");
+               goto catch;
        }
 
-       __return_value_to_caller(item->req_id,
+       ret = _drm_tizen_generate_license_request(resp_data, strlen(resp_data),
+                       req_data, &req_data_len,
+                       license_url, &license_url_len);
+       if (ret != 1) {
+               ERR("drm_tizen_generate_license_request failed");
+               goto catch;
+       }
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(iss)", PKGMGR_R_OK, req_data,
                                license_url));
-
+       is_drm_busy = true;
        return 0;
+
+catch:
+       _return_value_to_caller(job->req_id, g_variant_new("(iss)",
+                               PKGMGR_R_ESYSTEM, "", ""));
+       is_drm_busy = false;
+       __unload_drm_library();
+       return -1;
 }
 
-static int __process_register_license(pm_dbus_msg *item)
+static int __process_register_license(struct backend_job *job)
 {
-       int ret;
        char *resp_data;
+       int ret;
 
-       resp_data = item->args;
-
-       ret = drm_tizen_register_license(resp_data, strlen(resp_data));
-       if (ret != TADC_SUCCESS) {
+       resp_data = job->args;
+       if (!_drm_tizen_register_license) {
+               ERR("_drm_tizen_register_license is not loaded");
+               goto catch;
+       }
+       ret = _drm_tizen_register_license(resp_data, strlen(resp_data));
+       if (ret != 1) {
                ERR("drm_tizen_register_license failed: %d", ret);
-               __return_value_to_caller(item->req_id,
-                               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
-               return -1;
+               goto catch;
        }
-
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(i)", PKGMGR_R_OK));
-
        return 0;
+
+catch:
+       _return_value_to_caller(job->req_id,
+                       g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+       is_drm_busy = false;
+       __unload_drm_library();
+
+       return -1;
 }
 
-static int __process_decrypt_package(pm_dbus_msg *item)
+static int __process_decrypt_package(struct backend_job *job)
 {
        int ret;
        char *drm_file_path;
        char *decrypted_file_path;
 
-       drm_file_path = item->pkgid;
-       decrypted_file_path = item->args;
+       drm_file_path = job->pkgid;
+       decrypted_file_path = job->args;
 
        /* TODO: check ownership of decrypted file */
-       ret = drm_tizen_decrypt_package(drm_file_path, strlen(drm_file_path),
+       if (!_drm_tizen_decrypt_package) {
+               ERR("drm_tizen_decrypt_package is not loaded");
+
+               goto catch;
+       }
+       ret = _drm_tizen_decrypt_package(drm_file_path, strlen(drm_file_path),
                        decrypted_file_path, strlen(decrypted_file_path));
-       if (ret != TADC_SUCCESS) {
-               ERR("drm_tizen_register_license failed: %d", ret);
-               __return_value_to_caller(item->req_id,
-                               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
-               return -1;
+       if (ret != 1) {
+               ERR("drm_tizen_decrypt_package failed: %d", ret);
+               goto catch;
        }
-
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(i)", PKGMGR_R_OK));
-
        return 0;
+
+catch:
+       _return_value_to_caller(job->req_id,
+               g_variant_new("(i)", PKGMGR_R_ESYSTEM));
+       is_drm_busy = false;
+       __unload_drm_library();
+
+       return -1;
+}
+
+static int __process_update_app_splash_screen(struct backend_job *job, int flag)
+{
+       int ret;
+       bool is_global = false;
+       const char *val;
+
+       ret = __change_job_info(job, job->target_uid, &is_global);
+       if (ret != PMINFO_R_OK || strlen(job->appid) == 0)
+               return -1;
+
+       val = flag ? PKGMGR_INSTALLER_APP_ENABLE_SPLASH_SCREEN_EVENT_STR :
+               PKGMGR_INSTALLER_APP_DISABLE_SPLASH_SCREEN_EVENT_STR;
+       _send_app_signal(job->target_uid, job->req_id, job->pkgid, job->appid,
+                       PKGMGR_INSTALLER_START_KEY_STR, val, job->req_type);
+
+       if (is_global)
+               ret = pkgmgr_parser_update_global_app_splash_screen_display_info_in_usr_db(job->appid, job->target_uid, flag);
+       else
+               ret = pkgmgr_parser_update_app_splash_screen_display_info_in_usr_db(
+                       job->appid, job->target_uid, flag);
+       if (ret != PMINFO_R_OK)
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid,
+                               job->appid, PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_FAIL_EVENT_STR,
+                               job->req_type);
+       else
+               _send_app_signal(job->target_uid, job->req_id, job->pkgid,
+                               job->appid, PKGMGR_INSTALLER_END_KEY_STR,
+                               PKGMGR_INSTALLER_OK_EVENT_STR,
+                               job->req_type);
+
+       return ret;
 }
 
-static int __process_add_blacklist(pm_dbus_msg *item)
+static int __process_set_restriction_mode(struct backend_job *job)
 {
        int ret;
+       int mode;
 
-       ret = __add_blacklist(item->uid, item->pkgid);
+       mode = atoi(job->args);
+       ret = _set_restriction_mode(job->target_uid, job->pkgid, mode);
 
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(i)", ret));
 
        return ret;
 }
 
-static int __process_remove_blacklist(pm_dbus_msg *item)
+static int __process_unset_restriction_mode(struct backend_job *job)
 {
        int ret;
+       int mode;
 
-       ret = __remove_blacklist(item->uid, item->pkgid);
+       mode = atoi(job->args);
+       ret = _unset_restriction_mode(job->target_uid, job->pkgid, mode);
 
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(i)", ret));
 
        return ret;
 }
 
-static int __process_check_blacklist(pm_dbus_msg *item)
+static int __process_get_restriction_mode(struct backend_job *job)
 {
        int ret;
-       int result = 0;
+       int mode = -1;
 
-       ret = __check_blacklist(item->uid, item->pkgid, &result);
+       ret = _get_restriction_mode(job->target_uid, job->pkgid, &mode);
 
-       __return_value_to_caller(item->req_id,
-                       g_variant_new("(ii)", result, ret));
+       _return_value_to_caller(job->req_id,
+                       g_variant_new("(ii)", mode, ret));
 
        return ret;
 }
 
+static int __process_set_app_label(struct backend_job *job)
+{
+       int ret;
+
+       ret = pkgmgr_parser_update_app_label_info_in_usr_db(job->pkgid,
+                       job->target_uid, job->args);
+       _return_value_to_caller(job->req_id, g_variant_new("(i)", ret));
+
+       return ret;
+}
+
+static int __process_set_app_icon(struct backend_job *job)
+{
+       int ret;
+
+       ret = pkgmgr_parser_update_app_icon_info_in_usr_db(job->pkgid,
+                       job->target_uid, job->args);
+       _return_value_to_caller(job->req_id, g_variant_new("(i)", ret));
+
+       return ret;
+}
+
+static int __process_migrate_external_image(struct backend_job *job)
+{
+       char *backend_cmd;
+       char **argv;
+       char args[MAX_PKG_ARGS_LEN];
+       int pid;
+
+       backend_cmd = job->backend_path;
+       if (backend_cmd == NULL)
+               return -1;
+
+       snprintf(args, sizeof(args), "%s -k %s --migrate-extimg %s -u %d %s",
+                       backend_cmd, job->req_id, job->pkgid,
+                       (int)job->target_uid, job->args);
+
+       argv = __generate_argv(args);
+
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
+       g_strfreev(argv);
+
+       return pid;
+}
+
+static int __post_process(int ret, int x, struct backend_job *job)
+{
+       if (ret < 0) {
+               __set_backend_free(x);
+               _free_backend_job(job);
+       } else {
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
+       }
+       return 0;
+}
+
 gboolean queue_job(void *data)
 {
-       pm_dbus_msg *item = NULL;
-       backend_info *ptr;
+       struct backend_job *job = NULL;
        int x;
        int ret;
 
        /* Pop a job from queue */
-       for (x = 0, ptr = begin; x < num_of_backends; x++, ptr++) {
+       for (x = 0; x < num_of_backends; x++) {
                if (__is_backend_busy(x))
                        continue;
 
-               item = _pm_queue_pop(x);
-               if (item && item->req_type != -1)
+               job = _pop_queue(x);
+               if (job)
                        break;
-               free(item);
        }
 
        /* all backend messages queue are empty or busy */
-       if (x == num_of_backends)
+       if (x == num_of_backends || job == NULL) {
+               DBG("no job available");
                return FALSE;
+       }
 
-       /*save pkg type and pkg name for future*/
-       strncpy(ptr->pkgtype, item->pkg_type, MAX_PKG_TYPE_LEN-1);
-       strncpy(ptr->pkgid, item->pkgid, MAX_PKG_NAME_LEN-1);
-       strncpy(ptr->args, item->args, MAX_PKG_ARGS_LEN-1);
-       memset((item->appid),0,MAX_PKG_NAME_LEN);
-       ptr->uid = item->uid;
-       DBG("handle request type [%d]", item->req_type);
+       /* set current backend job */
+       DBG("handle request type [%d]", job->req_type);
+
+       if (job->req_type == REQUEST_TYPE_INSTALL ||
+                       job->req_type == REQUEST_TYPE_MOUNT_INSTALL ||
+                       job->req_type == REQUEST_TYPE_REINSTALL) {
+               ret = __check_csr(job->pkgid);
+               if (ret != 0) {
+                       ret = -1;
+                       _send_fail_signal(job);
+                       _free_backend_job(job);
+                       return TRUE;
+               }
+       }
 
-       switch (item->req_type) {
-       case PKGMGR_REQUEST_TYPE_INSTALL:
+       switch (job->req_type) {
+       case REQUEST_TYPE_INSTALL:
+               __set_backend_busy(x);
+               __set_power_lock();
+               ret = __process_install(job);
+               __post_process(ret, x, job);
+               break;
+       case REQUEST_TYPE_MOUNT_INSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_install(item);
+               __set_power_lock();
+               ret = __process_mount_install(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_REINSTALL:
+       case REQUEST_TYPE_REINSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_reinstall(item);
+               __set_power_lock();
+               ret = __process_reinstall(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_UNINSTALL:
+       case REQUEST_TYPE_UNINSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_uninstall(item);
+               __set_power_lock();
+               ret = __process_uninstall(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_MOVE:
+       case REQUEST_TYPE_MOVE:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_move(item);
+               __set_power_lock();
+               ret = __process_move(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_ENABLE_PKG:
-               ret = __process_enable_pkg(item);
+       case REQUEST_TYPE_ENABLE_PKG:
+               __set_backend_busy(x);
+               __set_power_lock();
+               ret = __process_enable_pkg(job);
+               if (ret < 0)
+                       _send_fail_signal(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_DISABLE_PKG:
-               ret = __process_disable_pkg(item);
+       case REQUEST_TYPE_DISABLE_PKG:
+               __set_backend_busy(x);
+               __set_power_lock();
+               ret = __process_disable_pkg(job);
+               if (ret < 0)
+                       _send_fail_signal(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_ENABLE_APP:
-               ret = __process_enable_app(item);
+       case REQUEST_TYPE_REGISTER_PKG_UPDATE_INFO:
+               ret = __process_register_pkg_update_info(job);
+               __free_extra_info(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_DISABLE_APP:
-               ret = __process_disable_app(item);
+       case REQUEST_TYPE_UNREGISTER_PKG_UPDATE_INFO:
+               ret = __process_unregister_pkg_update_info(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_UNREGISTER_ALL_PKG_UPDATE_INFO:
+               ret = __process_unregister_all_pkg_update_info(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_ENABLE_APP:
+               ret = __process_enable_app(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_DISABLE_APP:
+               ret = __process_disable_app(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_GETSIZE:
+               __set_backend_busy(x);
+               ret = __process_getsize(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_GETSIZE:
+       case REQUEST_TYPE_GETSIZE_SYNC:
                __set_backend_busy(x);
-               ret = __process_getsize(item);
+               ret = __process_getsize_sync(job);
+               if (ret < 0)
+                       __free_extra_info(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_CLEARDATA:
+       case REQUEST_TYPE_CLEARDATA:
                __set_backend_busy(x);
-               ret = __process_cleardata(item);
+               __set_power_lock();
+               ret = __process_cleardata(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_CLEARCACHE:
+       case REQUEST_TYPE_CLEARCACHE:
                __set_backend_busy(x);
-               ret = __process_clearcache(item);
+               __set_power_lock();
+               ret = __process_clearcache(job);
+               __post_process(ret, x, job);
                break;
-       case PKGMGR_REQUEST_TYPE_ENABLE_GLOBAL_APP_FOR_UID:
-               ret = __process_enable_global_app_for_uid(item);
+       case REQUEST_TYPE_ENABLE_GLOBAL_APP_FOR_UID:
+               ret = __process_enable_global_app_for_uid(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_DISABLE_GLOBAL_APP_FOR_UID:
-               ret = __process_disable_global_app_for_uid(item);
+       case REQUEST_TYPE_DISABLE_GLOBAL_APP_FOR_UID:
+               ret = __process_disable_global_app_for_uid(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_KILL:
-               ret = __process_kill(item);
+       case REQUEST_TYPE_KILL:
+               ret = __process_kill(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_CHECK:
-               ret = __process_check(item);
+       case REQUEST_TYPE_CHECK:
+               ret = __process_check(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_GENERATE_LICENSE_REQUEST:
-               ret = __process_generate_license_request(item);
+       case REQUEST_TYPE_GENERATE_LICENSE_REQUEST:
+               ret = __process_generate_license_request(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_REGISTER_LICENSE:
-               ret = __process_register_license(item);
+       case REQUEST_TYPE_REGISTER_LICENSE:
+               ret = __process_register_license(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_DECRYPT_PACKAGE:
-               ret = __process_decrypt_package(item);
+       case REQUEST_TYPE_DECRYPT_PACKAGE:
+               ret = __process_decrypt_package(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_ADD_BLACKLIST:
-               ret = __process_add_blacklist(item);
+       case REQUEST_TYPE_ENABLE_APP_SPLASH_SCREEN:
+               ret = __process_update_app_splash_screen(job, 1);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_REMOVE_BLACKLIST:
-               ret = __process_remove_blacklist(item);
+       case REQUEST_TYPE_DISABLE_APP_SPLASH_SCREEN:
+               ret = __process_update_app_splash_screen(job, 0);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_CHECK_BLACKLIST:
-               ret = __process_check_blacklist(item);
+       case REQUEST_TYPE_SET_RESTRICTION_MODE:
+               ret = __process_set_restriction_mode(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_UNSET_RESTRICTION_MODE:
+               ret = __process_unset_restriction_mode(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_GET_RESTRICTION_MODE:
+               ret = __process_get_restriction_mode(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_SET_APP_LABEL:
+               ret = __process_set_app_label(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_SET_APP_ICON:
+               ret = __process_set_app_icon(job);
+               _free_backend_job(job);
+               break;
+       case REQUEST_TYPE_MIGRATE_EXTERNAL_IMAGE:
+               __set_backend_busy(x);
+               __set_power_lock();
+               ret = __process_migrate_external_image(job);
+               __post_process(ret, x, job);
                break;
        default:
                ret = -1;
                break;
        }
 
-       ptr->pid = ret;
-       free(item);
-
-       return FALSE;
-}
-
-#define IS_WHITESPACE(CHAR) \
-((CHAR == ' ' || CHAR == '\t' || CHAR == '\r' || CHAR == '\n') ? TRUE : FALSE)
-
-void _app_str_trim(char *input)
-{
-       char *trim_str = input;
-
-       if (input == NULL)
-               return;
-
-       while (*input != 0) {
-               if (!IS_WHITESPACE(*input)) {
-                       *trim_str = *input;
-                       trim_str++;
-               }
-               input++;
-       }
-
-       *trim_str = 0;
-       return;
-}
-
-char *_get_backend_cmd(char *type)
-{
-       FILE *fp = NULL;
-       char buffer[1024] = { 0 };
-       char *command = NULL;
-       int size = 0;
-       fp = fopen(PKG_CONF_PATH, "r");
-       if (fp == NULL) {
-               return NULL;
-       }
-
-       char *path = NULL;
-       while (fgets(buffer, 1024, fp) != NULL) {
-               if (buffer[0] == '#')
-                       continue;
-
-               _app_str_trim(buffer);
-
-               if ((path = strstr(buffer, PKG_BACKEND)) != NULL) {
-                       DBG("buffer [%s]", buffer);
-                       path = path + strlen(PKG_BACKEND);
-                       DBG("path [%s]", path);
-
-                       command =
-                           (char *)malloc(sizeof(char) * strlen(path) +
-                                          strlen(type) + 1);
-                       if (command == NULL) {
-                               fclose(fp);
-                               return NULL;
-                       }
-
-                       size = strlen(path) + strlen(type) + 1;
-                       snprintf(command, size, "%s%s", path, type);
-                       command[strlen(path) + strlen(type)] = '\0';
-                       DBG("command [%s]", command);
-
-                       if (fp != NULL)
-                               fclose(fp);
-
-                       return command;
-               }
-
-               memset(buffer, 0x00, 1024);
-       }
-
-       if (fp != NULL)
-               fclose(fp);
-
-       return NULL;            /* cannot find proper command */
+       return TRUE;
 }
 
 int main(int argc, char *argv[])
 {
-       FILE *fp_status = NULL;
-       char buf[32] = { 0, };
-       pid_t pid;
-       char *backend_cmd = NULL;
-       char *backend_name = NULL;
        int r;
 
        DBG("server start");
 
-       if (argv[1] && (strcmp(argv[1], "init") == 0)) {
-               /* if current status is "processing",
-                  execute related backend with '-r' option */
-               if (!(fp_status = fopen(STATUS_FILE, "r")))
-                       return 0;       /*if file is not exist, terminated. */
-               /* if processing <-- unintended termination */
-               if (fgets(buf, 32, fp_status) &&
-                               strcmp(buf, "processing") == 0) {
-                       pid = fork();
-                       if (pid == 0) { /* child */
-                               if (fgets(buf, 32, fp_status))
-                                       backend_cmd = _get_backend_cmd(buf);
-                               if (!backend_cmd) {     /* if NULL, */
-                                       DBG("fail to get backend command");
-                                       goto err;
-                               }
-                               backend_name =
-                                       strrchr(backend_cmd, '/');
-                               if (!backend_name) {
-                                       DBG("fail to get backend name");
-                                       goto err;
-                               }
-
-                               execl(backend_cmd, backend_name, "-r",
-                                               NULL);
-                               if (backend_cmd)
-                                       free(backend_cmd);
-                               fprintf(fp_status, " ");
-err:
-                               fclose(fp_status);
-                               exit(13);
-                       } else if (pid < 0) {   /* error */
-                               DBG("fork fail");
-                               fclose(fp_status);
-                               return 0;
-                       } else {        /* parent */
-
-                               DBG("parent end\n");
-                               fprintf(fp_status, " ");
-                               fclose(fp_status);
-                               return 0;
-                       }
-               }
+       if (__register_signal_handler()) {
+               ERR("failed to register signal handler");
+               return -1;
        }
 
-       r = _pm_queue_init();
+       r = _init_backend_queue();
        if (r) {
-               DBG("Queue Initialization Failed\n");
+               ERR("Queue Initialization Failed");
                return -1;
        }
 
        r = __init_backend_info();
        if (r) {
-               DBG("backend info init failed");
+               ERR("backend info init failed");
                return -1;
        }
 
-       r = __init_request_handler();
+       r = _init_request_handler();
        if (r) {
                ERR("dbus init failed");
                return -1;
        }
 
-       if (__register_signal_handler()) {
-               ERR("failed to register signal handler");
-               return -1;
-       }
-
-#if !GLIB_CHECK_VERSION(2,35,0)
+#if !GLIB_CHECK_VERSION(2, 35, 0)
        g_type_init();
 #endif
        mainloop = g_main_loop_new(NULL, FALSE);
@@ -1456,9 +2061,12 @@ err:
        g_main_loop_run(mainloop);
 
        DBG("Quit main loop.");
-       __fini_request_handler();
+       _fini_request_handler();
        __fini_backend_info();
-       _pm_queue_final();
+       _fini_backend_queue();
+
+       g_source_remove(swid);
+       g_io_channel_unref(sio);
 
        DBG("package manager server terminated.");