Add request type and codes for set app label
[platform/core/appfw/pkgmgr-server.git] / src / pkgmgr-server.c
index f375160..04a80ca 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 <signal.h>
+#include <grp.h>
 
 #include <glib.h>
 #include <gio/gio.h>
 
+#include <aul.h>
 #include <pkgmgr-info.h>
 #include <pkgmgr/pkgmgr_parser_db.h>
 #include <tzplatform_config.h>
 #include <drm-tizen-apps.h>
+#ifdef TIZEN_FEATURE_CSR
+#include <csr-content-screening.h>
+#endif
 
 #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 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]))
 
 typedef struct  {
        char **env;
@@ -60,13 +66,18 @@ 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 {
@@ -77,22 +88,8 @@ struct signal_info_t {
 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;
+static GHashTable *backend_info_table;
+static GMainLoop *mainloop = NULL;
 
 static int __check_backend_status_for_exit(void);
 static int __check_queue_status_for_exit(void);
@@ -103,195 +100,58 @@ 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;
-}
-
-static const char *__get_recovery_file_path(uid_t uid)
-{
-       const char *path;
-
-       if (!__is_global(uid))
-               tzplatform_set_user(uid);
-
-       path = tzplatform_getenv(__is_global(uid)
-                       ? TZ_SYS_RW_PACKAGES : TZ_USER_PACKAGES);
-
-       tzplatform_reset_user();
-
-       return path;
-}
-
-static void __set_recovery_mode(uid_t uid, char *pkgid, char *pkg_type)
-{
-       char recovery_file[MAX_PKG_NAME_LEN] = { 0, };
-       char buffer[MAX_PKG_NAME_LEN] = { 0 };
-       char *pkgid_tmp = NULL;
-       FILE *rev_file = NULL;
-
-       if (pkgid == NULL) {
-               DBG("pkgid is null\n");
-               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);
-       }
-
-       rev_file = fopen(recovery_file, "w");
-       if (rev_file== NULL) {
-               DBG("rev_file[%s] is null\n", recovery_file);
-               return;
-       }
-
-       snprintf(buffer, MAX_PKG_NAME_LEN, "pkgid : %s\n", pkgid);
-       fwrite(buffer, sizeof(char), strlen(buffer), rev_file);
-
-       fclose(rev_file);
+       backend_busy = backend_busy & ~(1 << position);
 }
 
-static void __unset_recovery_mode(uid_t uid, char *pkgid, char *pkg_type)
+static gboolean pipe_io_handler(GIOChannel *io, GIOCondition cond,
+               gpointer data)
 {
-       int ret = -1;
-       char recovery_file[MAX_PKG_NAME_LEN] = { 0, };
-       char *pkgid_tmp = NULL;
-
-       if (pkgid == NULL) {
-               DBG("pkgid is null\n");
-               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);
-       }
-
-       ret = remove(recovery_file);
-       if (ret < 0)
-               DBG("remove recovery_file[%s] fail\n", recovery_file);
-}
-
-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)
-{
-       pkgmgr_installer *pi;
-
-       pi = pkgmgr_installer_new();
-       if (!pi) {
-               DBG("Failure in creating the pkgmgr_installer object");
-               return;
-       }
-
-       if (pkgmgr_installer_set_uid(pi, uid))
-               goto catch;
-       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);
-
-catch:
-       pkgmgr_installer_free(pi);
-
-       return;
-}
-
-static void send_fail_signal(char *pname, char *ptype, char *args)
-{
-       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;
-       }
-       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;
-       }
-
-       pkgmgr_installer_receive_request(pi, argcp, argvp);
-       pkgmgr_installer_send_signal(pi, ptype, pname, "end", "fail");
-       pkgmgr_installer_free(pi);
-       return;
-}
-
-static gboolean pipe_io_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 backend_job *job;
 
-       s = g_io_channel_read_chars(io, (gchar *)&info, sizeof(struct signal_info_t), &len, &err);
+       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);
                g_error_free(err);
                return TRUE;
        }
 
-       for (x = 0; x < num_of_backends; x++, ptr++) {
-               if (ptr && ptr->pid == info.pid)
-                       break;
-       }
-
-       if (x == num_of_backends) {
+       job = (struct backend_job *)g_hash_table_lookup(backend_info_table,
+                       (gconstpointer)info.pid);
+       if (job == NULL) {
                ERR("Unknown child exit");
                return -1;
        }
 
-       __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);
+       __set_backend_free(job->backend_slot);
+       if (WIFSIGNALED(info.status)) {
+               _send_fail_signal(job);
+               DBG("backend[%s] exit with signal[%d]", job->backend_type,
+                               WTERMSIG(info.status));
+       } else if (WEXITSTATUS(info.status)) {
+               DBG("backend[%s] exit with error", job->backend_type);
        } else {
-               DBG("backend[%s] exit", ptr->pkgtype);
+               DBG("backend[%s] exit", job->backend_type);
        }
 
+       g_hash_table_remove(backend_info_table, (gconstpointer)info.pid);
        g_idle_add(queue_job, NULL);
 
        return TRUE;
@@ -299,15 +159,9 @@ 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;
+       backend_info_table = g_hash_table_new_full(g_direct_hash,
+                       g_direct_equal, NULL,
+                       (GDestroyNotify)_free_backend_job);
 
        if (pipe(pipe_sig)) {
                ERR("create pipe failed");
@@ -330,16 +184,18 @@ static void __fini_backend_info(void)
        close(pipe_sig[1]);
 
        /*Free backend info */
-       free(begin);
+       g_hash_table_destroy(backend_info_table);
 }
 
 static void sighandler(int signo)
 {
        struct signal_info_t info;
+       char buf[1024] = {0, };
 
        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));
+               ERR("failed to write result: %s",
+                               strerror_r(errno, buf, sizeof(buf)));
 }
 
 static int __register_signal_handler(void)
@@ -354,7 +210,7 @@ static int __register_signal_handler(void)
        sigemptyset(&act.sa_mask);
        act.sa_flags = SA_NOCLDSTOP;
        if (sigaction(SIGCHLD, &act, NULL) < 0) {
-               ERR("signal: SIGCHLD failed\n");
+               ERR("signal: SIGCHLD failed");
                return -1;
        }
 
@@ -366,12 +222,9 @@ static int __register_signal_handler(void)
 
 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;
@@ -379,30 +232,9 @@ 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;
@@ -410,129 +242,88 @@ 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;
-               }
+               g_main_loop_quit(mainloop);
+               return FALSE;
        }
        return TRUE;
 }
 
-static int __pkgcmd_read_proc(const char *path, char *buf, int size)
+#ifdef TIZEN_FEATURE_CSR
+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);
+       csr_cs_context_h context = NULL;
+       csr_cs_malware_h detected = NULL;
+       int ret = -1;
+
+       ret = csr_cs_context_create(&context);
+       if (ret != CSR_ERROR_NONE) {
+               ERR("Failed to create csr context");
                return -1;
-       } else
-               buf[ret] = 0;
-       close(fd);
-       return ret;
-}
+       }
 
-static int __pkgcmd_find_pid_by_cmdline(const char *dname,
-                       const char *cmdline, const char *apppath)
-{
-       int pid = 0;
+       if (context) {
+               ret = csr_cs_scan_file(context, path, &detected);
+               DBG("CSR result[%d]", ret);
 
-       if (strcmp(cmdline, apppath) == 0) {
-               pid = atoi(dname);
-               if (pid != getpgid(pid))
-                       pid = 0;
+               csr_cs_context_destroy(context);
+               if (detected != NULL) {
+                       ERR("CSR Denied[%s] Installation", path);
+                       return -1;
+               }
        }
-       return pid;
+
+       return 0;
 }
+#endif
 
-static int __pkgcmd_proc_iter_kill_cmdline(const char *apppath, int option)
+static int __kill_app(char *appid, uid_t uid)
 {
-       DIR *dp;
-       struct dirent *dentry;
-       int pid;
        int ret;
-       char buf[1024] = {'\0'};
-       int pgid;
-
-       dp = opendir("/proc");
-       if (dp == NULL) {
-               return -1;
-       }
+       int pid;
+       int is_running;
 
-       while ((dentry = readdir(dp)) != NULL) {
-               if (!isdigit(dentry->d_name[0]))
-                       continue;
+       is_running = aul_app_is_running_for_uid(appid, uid);
+       /* app is not running */
+       if (!is_running)
+               return 0;
 
-               snprintf(buf, sizeof(buf), "/proc/%s/cmdline", dentry->d_name);
-               ret = __pkgcmd_read_proc(buf, buf, sizeof(buf));
-               if (ret <= 0)
-                       continue;
+       pid = aul_app_get_pid_for_uid(appid, uid);
+       if (pid == -1)
+               return -1;
 
-               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;
-               }
+       ret = aul_terminate_pid_for_uid(pid, uid);
+       if (ret != AUL_R_OK) {
+               ERR("failed to terminate app(%d)", appid);
+               return -1;
        }
-       closedir(dp);
+
        return 0;
 }
 
-static void __make_pid_info_file(char *req_key, int pid)
+static int __check_app(char *appid, uid_t uid)
 {
-       FILE* file;
-       int fd;
-       char buf[MAX_PKG_TYPE_LEN] = {0};
-       char info_file[PATH_MAX] = {'\0'};
-
-       if(req_key == NULL)
-               return;
-
-       snprintf(info_file, PATH_MAX, "/tmp/pkgmgr/%s", req_key);
+       int pid;
+       int is_running;
 
-       DBG("info_path(%s)", info_file);
-       file = fopen(info_file, "w");
-       if (file == NULL) {
-               ERR("Couldn't open the file(%s)", info_file);
-               return;
-       }
+       is_running = aul_app_is_running_for_uid(appid, uid);
+       if (!is_running)
+               return 0;
 
-       snprintf(buf, MAX_PKG_TYPE_LEN, "%d\n", pid);
-       fwrite(buf, 1, strlen(buf), file);
+       pid = aul_app_get_pid_for_uid(appid, uid);
 
-       fflush(file);
-       fd = fileno(file);
-       fsync(fd);
-       fclose(file);
+       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");
@@ -543,18 +334,24 @@ 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;
 }
@@ -566,7 +363,7 @@ void free_user_context(user_ctx* ctx)
        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++;
@@ -581,18 +378,56 @@ 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;
        }
-       if (setuid(ctx->uid)) {
-               ERR("setuid failed: %d", errno);
+
+       n = getgroups(n, groups);
+       if (n < 0) {
+               ERR("Failed to get list of supplementary group IDs");
+               free(groups);
                return -1;
        }
+
+       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;
@@ -610,13 +445,14 @@ 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 {
@@ -630,21 +466,21 @@ user_ctx *get_user_context(uid_t uid)
                        ret = -1;
                        break;
                }
-               // Build environment context
-               len = snprintf(NULL, 0, "HOME=%s", pwd->pw_dir);
+               /* Build environment context */
+               len = snprintf(NULL, 0, "HOME=%s", pwd.pw_dir);
                env[0] = (char *)malloc((len + 1) * sizeof(char));
-               if(env[0] == NULL) {
+               if (env[0] == NULL) {
                        ret = -1;
                        break;
                }
-               snprintf(env[0], len + 1, "HOME=%s", pwd->pw_dir);
-               len = snprintf(NULL, 0, "USER=%s", pwd->pw_name);
+               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) {
+               if (env[1] == NULL) {
                        ret = -1;
                        break;
                }
-               snprintf(env[1], len + 1, "USER=%s", pwd->pw_name);
+               snprintf(env[1], len + 1, "USER=%s", pwd.pw_name);
                env[2] = NULL;
        } while (0);
 
@@ -652,7 +488,7 @@ user_ctx *get_user_context(uid_t uid)
                free(context_res);
                context_res = NULL;
                i = 0;
-               //env variable ends by NULL element
+               /* env variable ends by NULL element */
                while (env && env[i]) {
                        free(env[i]);
                        i++;
@@ -662,7 +498,7 @@ 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;
 }
@@ -713,7 +549,7 @@ static int __fork_and_exec_with_args(char **argv, uid_t uid)
 
        user_context = get_user_context(uid);
        if (!user_context) {
-               DBG("Failed to getenv for the user : %d", uid);
+               DBG("Failed to getenv");
                return -1;
        }
 
@@ -730,343 +566,493 @@ 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;
 
-       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);
+       switch (job->req_type) {
+       case REQUEST_TYPE_DISABLE_APP:
+       case REQUEST_TYPE_DISABLE_GLOBAL_APP_FOR_UID:
+       case REQUEST_TYPE_ENABLE_APP_SPLASH_SCREEN:
+       case REQUEST_TYPE_DISABLE_APP_SPLASH_SCREEN:
+               ret = pkgmgrinfo_appinfo_get_usr_appinfo(job->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);
+       case REQUEST_TYPE_ENABLE_APP:
+       case REQUEST_TYPE_ENABLE_GLOBAL_APP_FOR_UID:
+               ret = pkgmgrinfo_appinfo_get_usr_disabled_appinfo(job->pkgid,
+                               uid, &handle);
                break;
-
        default:
-               return;
+               return PMINFO_R_ERROR;
        }
 
        if (ret != PMINFO_R_OK)
-               return;
+               return PMINFO_R_ERROR;
 
-       ret = pkgmgrinfo_appinfo_get_pkgid(handle, &pkgid);
-       if (ret != PMINFO_R_OK) {
-               pkgmgrinfo_appinfo_destroy_appinfo(handle);
-               return;
+       ret = pkgmgrinfo_appinfo_is_global(handle, is_global);
+       if (ret != PMINFO_R_OK)
+               goto catch;
+
+       if ((job->req_type == REQUEST_TYPE_DISABLE_APP ||
+                               job->req_type == REQUEST_TYPE_ENABLE_APP) &&
+                       *is_global) {
+               ret = PMINFO_R_ERROR;
+               goto catch;
+       } else 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;
        }
 
-       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);
+       ret = pkgmgrinfo_appinfo_get_pkgid(handle, &pkgid);
+       if (ret != PMINFO_R_OK)
+               goto catch;
 
+       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(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 -i %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 __process_install(pm_dbus_msg *item)
+static int __process_mount_install(struct backend_job *job)
 {
        char *backend_cmd;
        char **argv;
-       char args[MAX_PKG_ARGS_LEN] = {'\0', };
+       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;
 
-       snprintf(args, sizeof(args), "%s -k %s -i %s %s", backend_cmd,
-                       item->req_id, item->pkgid, item->args);
+       snprintf(args, sizeof(args), "%s -k %s -w %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, item->uid);
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
        g_strfreev(argv);
-       free(backend_cmd);
 
        return pid;
 }
 
-static int __process_reinstall(pm_dbus_msg *item)
+static int __process_reinstall(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;
 
-       snprintf(args, sizeof(args), "%s -k %s -r %s", backend_cmd,
-                       item->req_id, item->pkgid);
+       snprintf(args, sizeof(args), "%s -k %s -r %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_uninstall(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;
 
-       snprintf(args, sizeof(args), "%s -k %s -d %s", backend_cmd,
-                       item->req_id, item->pkgid);
+       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_move(pm_dbus_msg *item)
+static int __process_move(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 -m %s -u %d -t %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, 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)
+static int __process_enable_pkg(struct backend_job *job)
 {
-       /* TODO */
-       return 0;
+       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 -u %d -A %s", backend_cmd,
+                       job->req_id, (int)job->target_uid, job->pkgid);
+       argv = __generate_argv(args);
+
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
+
+       g_strfreev(argv);
+
+       return pid;
 }
 
-static int __process_disable_pkg(pm_dbus_msg *item)
+static int __process_disable_pkg(struct backend_job *job)
 {
-       /* TODO */
-       return 0;
+       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 -u %d -D %s", backend_cmd,
+                       job->req_id, (int)job->target_uid, job->pkgid);
+       argv = __generate_argv(args);
+
+       pid = __fork_and_exec_with_args(argv, APPFW_UID);
+
+       g_strfreev(argv);
+
+       return pid;
 }
 
-static int __process_enable_app(pm_dbus_msg *item)
+static int __process_enable_app(struct backend_job *job)
 {
        int ret = -1;
+       bool is_global = false;
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type,
-                       item->pkgid, item->pkgid,
-                       PKGMGR_INSTALLER_START_KEY_STR,
-                       PKGMGR_INSTALLER_APP_ENABLE_EVENT_STR);
-
-       /* 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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+       /* 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;
        }
 
-       ret = pkgmgr_parser_update_app_disable_info_in_usr_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_ENABLE_EVENT_STR, job->req_type);
+
+       ret = pkgmgr_parser_update_app_disable_info_in_usr_db(job->appid,
+                       job->target_uid, 0);
        if (ret != PMINFO_R_OK)
-               __send_app_signal(item->uid, item->req_id, item->pkg_type,
-                               item->pkgid, item->appid,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+               _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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_OK_EVENT_STR);
+               _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_app(pm_dbus_msg *item)
+static int __process_disable_app(struct backend_job *job)
 {
        int ret = -1;
+       bool is_global = false;
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type,
-                       item->pkgid, item->pkgid,
-                       PKGMGR_INSTALLER_START_KEY_STR,
-                       PKGMGR_INSTALLER_APP_DISABLE_EVENT_STR);
-
-       /* 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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+       /* 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_app_disable_info_in_usr_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);
+       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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+               _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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_OK_EVENT_STR);
+               _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_enable_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;
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type,
-                       item->pkgid, item->pkgid,
-                       PKGMGR_INSTALLER_START_KEY_STR,
-                       PKGMGR_INSTALLER_GLOBAL_APP_ENABLE_FOR_UID);
-
-       /* 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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+       /* 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_GLOBAL_APP_ENABLE_FOR_UID,
+                               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_GLOBAL_APP_ENABLE_FOR_UID,
+                       job->req_type);
+
+       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(item->uid, item->req_id, item->pkg_type,
-                               item->pkgid, item->appid,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+               _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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_OK_EVENT_STR);
+               _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_disable_global_app_for_uid(struct backend_job *job)
 {
        int ret = -1;
+       bool is_global = true;
 
-       __send_app_signal(item->uid, item->req_id, item->pkg_type,
-                       item->pkgid, item->pkgid,
-                       PKGMGR_INSTALLER_START_KEY_STR,
-                       PKGMGR_INSTALLER_GLOBAL_APP_DISABLE_FOR_UID);
-
-       /* 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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+       /* 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_GLOBAL_APP_DISABLE_FOR_UID,
+                               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_GLOBAL_APP_DISABLE_FOR_UID,
+                       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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_FAIL_EVENT_STR);
+               _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,
-                               PKGMGR_INSTALLER_END_KEY_STR, PKGMGR_INSTALLER_OK_EVENT_STR);
+               _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_cleardata(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 -c %s", backend_cmd,
-                       item->req_id, item->pkgid);
+       snprintf(args, sizeof(args), "%s -k %s -c %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_clearcache(pm_dbus_msg *item)
+static int __process_clearcache(struct backend_job *job)
 {
        static const char *backend_cmd = "/usr/bin/pkg_clearcache";
        char **argv;
        char args[MAX_PKG_ARGS_LEN];
        int pid;
 
-       snprintf(args, sizeof(args), "%s %s", backend_cmd, item->pkgid);
+       snprintf(args, sizeof(args), "%s %s", backend_cmd, job->pkgid);
        argv = __generate_argv(args);
-       pid = __fork_and_exec_with_args(argv, item->uid);
+       pid = __fork_and_exec_with_args(argv, job->target_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");
@@ -1076,20 +1062,45 @@ 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");
@@ -1099,7 +1110,7 @@ static int __process_check(pm_dbus_msg *item)
        return 0;
 }
 
-static int __process_generate_license_request(pm_dbus_msg *item)
+static int __process_generate_license_request(struct backend_job *job)
 {
        int ret;
        char *resp_data;
@@ -1108,7 +1119,7 @@ static int __process_generate_license_request(pm_dbus_msg *item)
        char license_url[MAX_PKG_ARGS_LEN];
        unsigned int license_url_len;
 
-       resp_data = item->args;
+       resp_data = job->args;
        req_data_len = sizeof(req_data);
        license_url_len = sizeof(license_url);
 
@@ -1116,349 +1127,327 @@ static int __process_generate_license_request(pm_dbus_msg *item)
                        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)",
+               _return_value_to_caller(job->req_id, g_variant_new("(iss)",
                                        PKGMGR_R_ESYSTEM, "", ""));
                return -1;
        }
 
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(iss)", PKGMGR_R_OK, req_data,
                                license_url));
 
        return 0;
 }
 
-static int __process_register_license(pm_dbus_msg *item)
+static int __process_register_license(struct backend_job *job)
 {
        int ret;
        char *resp_data;
 
-       resp_data = item->args;
+       resp_data = job->args;
 
        ret = drm_tizen_register_license(resp_data, strlen(resp_data));
        if (ret != TADC_SUCCESS) {
                ERR("drm_tizen_register_license failed: %d", ret);
-               __return_value_to_caller(item->req_id,
+               _return_value_to_caller(job->req_id,
                                g_variant_new("(i)", PKGMGR_R_ESYSTEM));
                return -1;
        }
 
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(i)", PKGMGR_R_OK));
 
        return 0;
 }
 
-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),
                        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,
+               _return_value_to_caller(job->req_id,
                                g_variant_new("(i)", PKGMGR_R_ESYSTEM));
                return -1;
        }
 
-       __return_value_to_caller(item->req_id,
+       _return_value_to_caller(job->req_id,
                        g_variant_new("(i)", PKGMGR_R_OK));
 
        return 0;
 }
 
-static int __process_add_blacklist(pm_dbus_msg *item)
+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);
 
-       ret = __add_blacklist(item->uid, item->pkgid);
+       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_value_to_caller(item->req_id,
+       return ret;
+}
+
+static int __process_set_restriction_mode(struct backend_job *job)
+{
+       int ret;
+       int mode;
+
+       mode = atoi(job->args);
+       ret = _set_restriction_mode(job->target_uid, job->pkgid, mode);
+
+       _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;
+       int mode = -1;
+
+       ret = pkgmgr_parser_update_app_label_info_in_usr_db(job->pkgid, job->appid,
+                       job->args);
+       _return_value_to_caller(job->req_id, g_variant_new("(i)", ret));
 
        return ret;
 }
 
 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 left");
                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);
+
+#ifdef TIZEN_FEATURE_CSR
+       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 FALSE;
+               }
+       }
+#endif
 
-       switch (item->req_type) {
-       case PKGMGR_REQUEST_TYPE_INSTALL:
+       switch (job->req_type) {
+       case REQUEST_TYPE_INSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_install(item);
+               ret = __process_install(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_REINSTALL:
+       case REQUEST_TYPE_MOUNT_INSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_reinstall(item);
+               ret = __process_mount_install(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_UNINSTALL:
+       case REQUEST_TYPE_REINSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_uninstall(item);
+               ret = __process_reinstall(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_MOVE:
+       case REQUEST_TYPE_UNINSTALL:
                __set_backend_busy(x);
-               __set_recovery_mode(item->uid, item->pkgid, item->pkg_type);
-               ret = __process_move(item);
+               ret = __process_uninstall(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_ENABLE_PKG:
-               ret = __process_enable_pkg(item);
+       case REQUEST_TYPE_MOVE:
+               __set_backend_busy(x);
+               ret = __process_move(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_DISABLE_PKG:
-               ret = __process_disable_pkg(item);
+       case REQUEST_TYPE_ENABLE_PKG:
+               __set_backend_busy(x);
+               ret = __process_enable_pkg(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_ENABLE_APP:
-               ret = __process_enable_app(item);
+       case REQUEST_TYPE_DISABLE_PKG:
+               __set_backend_busy(x);
+               ret = __process_disable_pkg(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_DISABLE_APP:
-               ret = __process_disable_app(item);
+       case REQUEST_TYPE_ENABLE_APP:
+               ret = __process_enable_app(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_GETSIZE:
+       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(item);
+               ret = __process_getsize(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_CLEARDATA:
+       case REQUEST_TYPE_CLEARDATA:
                __set_backend_busy(x);
-               ret = __process_cleardata(item);
+               ret = __process_cleardata(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
                break;
-       case PKGMGR_REQUEST_TYPE_CLEARCACHE:
+       case REQUEST_TYPE_CLEARCACHE:
                __set_backend_busy(x);
-               ret = __process_clearcache(item);
+               ret = __process_clearcache(job);
+               g_hash_table_insert(backend_info_table, (gpointer)ret,
+                               (gpointer)job);
+               break;
+       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_ENABLE_GLOBAL_APP_FOR_UID:
-               ret = __process_enable_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_DISABLE_GLOBAL_APP_FOR_UID:
-               ret = __process_disable_global_app_for_uid(item);
+       case REQUEST_TYPE_KILL:
+               ret = __process_kill(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_KILL:
-               ret = __process_kill(item);
+       case REQUEST_TYPE_CHECK:
+               ret = __process_check(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_CHECK:
-               ret = __process_check(item);
+       case REQUEST_TYPE_GENERATE_LICENSE_REQUEST:
+               ret = __process_generate_license_request(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_GENERATE_LICENSE_REQUEST:
-               ret = __process_generate_license_request(item);
+       case REQUEST_TYPE_REGISTER_LICENSE:
+               ret = __process_register_license(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_REGISTER_LICENSE:
-               ret = __process_register_license(item);
+       case REQUEST_TYPE_DECRYPT_PACKAGE:
+               ret = __process_decrypt_package(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_DECRYPT_PACKAGE:
-               ret = __process_decrypt_package(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_ADD_BLACKLIST:
-               ret = __process_add_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_REMOVE_BLACKLIST:
-               ret = __process_remove_blacklist(item);
+       case REQUEST_TYPE_SET_RESTRICTION_MODE:
+               ret = __process_set_restriction_mode(job);
+               _free_backend_job(job);
                break;
-       case PKGMGR_REQUEST_TYPE_CHECK_BLACKLIST:
-               ret = __process_check_blacklist(item);
+       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);
        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 */
-}
-
 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;
-                       }
-               }
-       }
-
-       r = _pm_queue_init();
+       r = _init_backend_queue();
        if (r) {
-               DBG("Queue Initialization Failed\n");
+               DBG("Queue Initialization Failed");
                return -1;
        }
 
@@ -1468,7 +1457,7 @@ err:
                return -1;
        }
 
-       r = __init_request_handler();
+       r = _init_request_handler();
        if (r) {
                ERR("dbus init failed");
                return -1;
@@ -1479,7 +1468,7 @@ err:
                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);
@@ -1493,9 +1482,9 @@ 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();
 
        DBG("package manager server terminated.");