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fix(netmap): résolution DNS via Livebox pour les noms d'appareils

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nmap forcé sur 192.168.1.1 avec -R --dns-servers pour récupérer
les hostnames DHCP enregistrés par la Livebox (.home).
Ajout du champ netbios (script nbstat) et affichage du meilleur
nom détecté (NetBIOS > hostname DNS) avec badge de source.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
perco
2026-06-28 12:04:48 +02:00
co-authored by Claude Sonnet 4.6
parent f421636ab8
commit 8d9eaf98c2
2 changed files with 26 additions and 8 deletions
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app/main.py
+15 -4
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@@ -423,6 +423,7 @@ def _netmap_save(data: dict):
def _netmap_parse(output: str) -> list[dict]:
hosts = []
current: dict = {}
in_script = False
for line in output.splitlines():
m_host = re.search(r"Nmap scan report for (.+)", line)
if m_host:
@@ -431,25 +432,35 @@ def _netmap_parse(output: str) -> list[dict]:
raw = m_host.group(1)
ip_m = re.search(r"\((\d+\.\d+\.\d+\.\d+)\)", raw)
if ip_m:
current = {"ip": ip_m.group(1), "hostname": raw.split("(")[0].strip(), "mac": "", "vendor": ""}
current = {"ip": ip_m.group(1), "hostname": raw.split("(")[0].strip(), "mac": "", "vendor": "", "netbios": ""}
else:
current = {"ip": raw.strip(), "hostname": "", "mac": "", "vendor": ""}
current = {"ip": raw.strip(), "hostname": "", "mac": "", "vendor": "", "netbios": ""}
in_script = False
continue
m_mac = re.search(r"MAC Address: ([0-9A-F:]+)\s*(?:\((.+)\))?", line, re.I)
if m_mac:
current["mac"] = m_mac.group(1)
current["vendor"] = m_mac.group(2) or ""
continue
# Résultat du script nbstat
m_nb = re.search(r"NetBIOS name: ([^,]+)", line, re.I)
if m_nb:
nb = m_nb.group(1).strip()
if nb and nb.lower() not in ("<unknown>", ""):
current["netbios"] = nb
if current.get("ip"):
hosts.append(current)
return hosts
@app.get("/api/netmap/scan")
def api_netmap_scan():
try:
r = subprocess.run(
["nmap", "-sn", "-T4", "--host-timeout", "2s", NETMAP_RANGE],
capture_output=True, text=True, timeout=120
["nmap", "-sn", "-T4", "-R", "--dns-servers", "192.168.1.1",
"--host-timeout", "3s", "--script", "nbstat", NETMAP_RANGE],
capture_output=True, text=True, timeout=180
)
hosts = _netmap_parse(r.stdout)
return {"hosts": hosts, "names": _netmap_load()}