fix status 3

backend/src/api/packet_scripting_api.py

@@ -123,14 +123,20 @@ def get_unit_fragment_path(service_name: str) -> Optional[str]:
 
 def parse_unit_execstart(service_name: str) -> Optional[Dict]:
     """
-    Query systemd for ExecStart (most reliable) and parse the script name and qnum.
-    Handles both plain ExecStart values and systemd's structured values that include argv[] entries.
+    Query systemd for ExecStart and parse the script name and qnum.
+    Handles:
+      - plain ExecStart strings
+      - systemd structured blobs like:
+        { path=... ; argv[]=/usr/bin/python /srv/fw-scripts/foo.py 5 ; ... }
+      - argv[] values containing spaces/newlines and quoted entries
     Returns dict with keys: service, exec_start, name, script_path, qnum, extra
     """
     unit = _systemctl_unit_name(service_name)
     try:
-        p = subprocess.run(["systemctl", "show", "-p", "ExecStart", "--value", unit],
-                           capture_output=True, text=True, check=False, timeout=2)
+        p = subprocess.run(
+            ["systemctl", "show", "-p", "ExecStart", "--value", unit],
+            capture_output=True, text=True, check=False, timeout=2
+        )
         exec_start_raw = (p.stdout or "").strip()
     except Exception:
         logger.exception("systemctl show ExecStart failed for %s", service_name)
@@ -139,34 +145,40 @@ def parse_unit_execstart(service_name: str) -> Optional[Dict]:
     if not exec_start_raw:
         return {"service": service_name, "exec_start": None, "name": None, "script_path": None, "qnum": None, "extra": None}
 
-    # systemd may return a structured blob like:
-    # { path=/usr/bin/python3 ; argv[]=/usr/bin/python3 /srv/fw-scripts/icmp_drop.py 5 ; ... }
-    # or a plain commandline. We try to extract argv[] entries if present.
     exec_start = exec_start_raw
-    # detect structured form starting with '{' and containing 'argv[]='
-    if exec_start_raw.lstrip().startswith("{") and "argv[]=" in exec_start_raw:
-        # extract all argv[] values (non-greedy until ';' or end)
-        argv_matches = re.findall(r'argv\[\]=(.*?)(?:\s*;|\s*$)', exec_start_raw)
-        # strip and join; entries may already contain spaces (they are quoted or raw), keep as-is
-        argv_parts = [m.strip() for m in argv_matches if m and m.strip()]
+
+    # If structured form with argv[] entries, extract and reconstruct the argv commandline.
+    if "argv[]=" in exec_start_raw:
+        # Capture argv[]=... entries up to the next semicolon (allow newlines).
+        # Accept quoted arguments too: "..." or '...'
+        argv_matches = re.findall(r'argv\[\]=(("(?:\\.|[^"])*"|\'(?:\\.|[^\'])*\'|[^;]*?))(?:\s*;|\s*$)', exec_start_raw, flags=re.DOTALL)
+        argv_parts = []
+        for m in argv_matches:
+            val = m[0]
+            if not val:
+                continue
+            v = val.strip()
+            # strip surrounding quotes if present
+            if (v.startswith('"') and v.endswith('"')) or (v.startswith("'") and v.endswith("'")):
+                v = v[1:-1]
+            argv_parts.append(v)
         if argv_parts:
-            # join with space to reconstruct commandline
+            # join argv entries with space to form a single commandline
             exec_start = " ".join(argv_parts)
         else:
-            # fallback to raw
+            # fallback: remove braces and keep raw
             exec_start = exec_start_raw
 
-    # Now exec_start is either a reconstructed argv[]-based commandline or the raw value.
-    # Find the script path under /srv/fw-scripts
+    # Now try to find the script path under /srv/fw-scripts
     m = re.search(r'(/[^ \t\n\r"]*/srv/fw-scripts/(?P<name>[A-Za-z0-9_.-]+)\.py)\b', exec_start)
     if not m:
-        # Return raw ExecStart but no parsed metadata
+        # return raw exec_start but no parsed metadata
         return {"service": service_name, "exec_start": exec_start, "name": None, "script_path": None, "qnum": None, "extra": None}
 
     script_path = m.group(1)
     name = m.group("name")
 
-    # Find integer queue number after the script path (first integer token after the script)
+    # Find integer qnum after the script path (first integer token)
     after = exec_start[m.end():].strip()
     qnum = None
     extra = None
@@ -184,6 +196,7 @@ def parse_unit_execstart(service_name: str) -> Optional[Dict]:
 
     return {"service": service_name, "exec_start": exec_start, "name": name, "script_path": script_path, "qnum": qnum, "extra": extra}
 
+
 def is_unit_active(service_name: str) -> bool:
     unit = _systemctl_unit_name(service_name)
     p = subprocess.run(["systemctl", "is-active", "--quiet", unit])