multi-user: Fix service auto connect issue

In curernt IVI image, systemd doesn't write utmp entries
for logged in users, so that ConnMan can't get the related
user info, under which condition, it doesn't need to forbid
service auto connect for this user.

Change-Id: I4ca33b2b43ac351d1be8c862808304d8a17d8d7d

diff --git a/src/service.c b/src/service.c
index 86dffaf..974a087 100644 (file)
--- a/src/service.c
+++ b/src/service.c
@@ -390,16 +390,16 @@ static GList *connman_service_get_login_users()
        setutxent();
 
        while ((utmp = getutxent()) != NULL) {
-               if (utmp->ut_user != USER_ROOT && utmp->ut_type != USER_PROCESS)
-                       continue;
+               DBG("User Name: %s", utmp->ut_user);
 
                pwd = getpwnam(utmp->ut_user);
-
-               if (!g_list_find(user_list, GUINT_TO_POINTER(pwd->pw_uid)))
-                       user_list = g_list_append(user_list,
+               if (pwd) {
+                       if (!g_list_find(user_list, GUINT_TO_POINTER(pwd->pw_uid)))
+                               user_list = g_list_append(user_list,
                                                GUINT_TO_POINTER(pwd->pw_uid));
 
-               DBG("User Name: %s, UID: %d", utmp->ut_user, pwd->pw_uid);
+                       DBG("User Name: %s, UID: %d", utmp->ut_user, pwd->pw_uid);
+               }
        }
 
        endutxent();
@@ -416,10 +416,14 @@ static bool is_service_owner_user_login(struct connman_service *service)
        if (service->type != CONNMAN_SERVICE_TYPE_WIFI)
                return true;
 
-       user_list = connman_service_get_login_users();
-
        DBG("service favorite user id is: %d", service->user.favorite_user);
 
+       user_list = connman_service_get_login_users();
+       if (user_list == NULL) {
+               DBG("Can not get any logged in user info.");
+               return true;
+       }
+
        for (list = user_list; list; list = list->next) {
                uid_t uid = GPOINTER_TO_UINT(list->data);