datajson: fix unix socket add command

It was not handling correctly the json values with space as they
were seen as multiple arguments.

Ticket: OISF#7372

python/suricata/sc/suricatasc.py

@@ -220,6 +220,11 @@ def execute(self, command):
         cmd_specs = argsd[cmd]
         required_args_count = len([d["required"] for d in cmd_specs if d["required"] and not "val" in d])
         arguments = dict()
+        # if all arguments are required in the command then we split at the count
+        # this way we can handle last argument containing space (datajson-add for example)
+        non_req_args_count = len([d for d in cmd_specs if not d["required"] or "val" in d])
+        if non_req_args_count == 0:
+            full_cmd = command.split(maxsplit=required_args_count)
         for c, spec in enumerate(cmd_specs, 1):
             spec_type = str if "type" not in spec else spec["type"]
             if spec["required"]: