update scan ip

This commit is contained in:
2026-03-09 13:53:10 +07:00
parent 594d13c0cc
commit a7c41a7235
2 changed files with 92 additions and 161 deletions

View File

@@ -9,57 +9,42 @@ from concurrent.futures import ThreadPoolExecutor, as_completed
_NO_WINDOW = subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0
def _scan_with_scapy(network):
"""Scan using scapy (requires root/sudo, and Npcap on Windows)."""
from scapy.all import ARP, Ether, srp
arp = ARP(pdst=str(network))
ether = Ether(dst="ff:ff:ff:ff:ff:ff")
packet = ether / arp
result = srp(packet, timeout=3, verbose=0)[0]
devices = []
for sent, received in result:
devices.append({
"ip": received.psrc,
"mac": received.hwsrc
})
return devices
def _ping_one(ip, is_win):
"""Ping a single IP to populate ARP table."""
try:
if is_win:
subprocess.run(
["ping", "-n", "1", "-w", "600", str(ip)],
["ping", "-n", "1", "-w", "300", str(ip)], # 300ms (was 600ms)
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=3,
timeout=2,
creationflags=_NO_WINDOW
)
elif sys.platform == "darwin":
subprocess.run(
["ping", "-c", "1", "-W", "500", str(ip)], # 500ms — macOS: -W unit là ms
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=2
)
else:
subprocess.run(
["ping", "-c", "1", "-W", "1", str(ip)],
["ping", "-c", "1", "-W", "1", str(ip)], # 1s — Linux: -W unit là giây
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
timeout=3
timeout=2
)
except Exception:
pass
def _ping_sweep(network, progress_cb=None):
"""Ping all IPs in network concurrently to populate ARP table.
Calls progress_cb(done, total) after each ping completes if provided.
"""Ping tất cả host trong network đồng thời để điền ARP cache.
Gọi progress_cb(done, total) sau mỗi ping nếu được cung cấp.
"""
net = ipaddress.ip_network(network, strict=False)
# Only ping sweep for /24 or smaller to avoid flooding
# Chỉ ping sweep cho /24 hoặc nhỏ hơn
if net.num_addresses > 256:
return
@@ -74,90 +59,27 @@ def _ping_sweep(network, progress_cb=None):
if progress_cb:
progress_cb(done_count[0], total)
with ThreadPoolExecutor(max_workers=100) as executor:
# Tất cả host cùng lúc — loại bỏ overhead batching (was max_workers=100)
with ThreadPoolExecutor(max_workers=len(hosts)) as executor:
futures = [executor.submit(_ping_and_track, ip) for ip in hosts]
for f in as_completed(futures):
pass
def _scan_with_arp_table(network):
"""Fallback: read ARP table using system 'arp -a' (no root needed).
Supports both macOS and Windows output formats.
"""
# Ping sweep first to populate ARP table with active devices
_ping_sweep(network)
# Brief pause to let the OS finalize ARP cache entries
time.sleep(1)
try:
output = subprocess.check_output(
["arp", "-a"], text=True, creationflags=_NO_WINDOW
)
except Exception:
return []
devices = []
net = ipaddress.ip_network(network, strict=False)
if sys.platform == "win32":
# Windows format:
# 192.168.4.1 cc-2d-21-a5-85-b0 dynamic
pattern = re.compile(
r"(\d+\.\d+\.\d+\.\d+)\s+"
r"([0-9a-fA-F]{2}-[0-9a-fA-F]{2}-[0-9a-fA-F]{2}-"
r"[0-9a-fA-F]{2}-[0-9a-fA-F]{2}-[0-9a-fA-F]{2})\s+"
r"(dynamic|static)",
re.IGNORECASE
)
for line in output.splitlines():
m = pattern.search(line)
if m:
ip_str = m.group(1)
# Convert Windows MAC format (cc-2d-21-a5-85-b0) to standard (cc:2d:21:a5:85:b0)
mac = m.group(2).replace("-", ":")
if mac.upper() != "FF:FF:FF:FF:FF:FF":
try:
if ipaddress.ip_address(ip_str) in net:
devices.append({"ip": ip_str, "mac": mac})
except ValueError:
pass
else:
# macOS/Linux format:
# ? (192.168.1.1) at aa:bb:cc:dd:ee:ff on en0
pattern = re.compile(
r"\((\d+\.\d+\.\d+\.\d+)\)\s+at\s+([0-9a-fA-F:]+)"
)
for line in output.splitlines():
m = pattern.search(line)
if m:
ip_str, mac = m.group(1), m.group(2)
if mac.lower() != "(incomplete)" and mac != "ff:ff:ff:ff:ff:ff":
try:
if ipaddress.ip_address(ip_str) in net:
devices.append({"ip": ip_str, "mac": mac})
except ValueError:
pass
return devices
def scan_network(network, progress_cb=None, stage_cb=None):
"""Scan network: ping sweep first, then merge scapy ARP + arp table."""
# Phase 1: Ping sweep — wake up devices and populate ARP cache
"""Scan network: ping sweep → ARP table + Scapy song song."""
# Phase 1: Ping sweep
if stage_cb:
stage_cb("ping")
_ping_sweep(network, progress_cb)
time.sleep(1)
time.sleep(0.3) # Giảm từ 1s xuống 0.3s
# Collect results from both methods and merge by IP
seen = {} # ip -> device dict
# Phase 2: ARP table (populated by ping sweep above)
# Phase 2 + 3: ARP table và Scapy chạy song song
if stage_cb:
stage_cb("arp")
def _collect_arp():
result = {}
try:
output = subprocess.check_output(
["arp", "-a"], text=True, creationflags=_NO_WINDOW
@@ -179,7 +101,7 @@ def scan_network(network, progress_cb=None, stage_cb=None):
if mac.upper() != "FF:FF:FF:FF:FF:FF":
try:
if ipaddress.ip_address(ip_str) in net:
seen[ip_str] = {"ip": ip_str, "mac": mac}
result[ip_str] = {"ip": ip_str, "mac": mac}
except ValueError:
pass
else:
@@ -193,17 +115,17 @@ def scan_network(network, progress_cb=None, stage_cb=None):
if mac.lower() not in ("(incomplete)", "ff:ff:ff:ff:ff:ff"):
try:
if ipaddress.ip_address(ip_str) in net:
seen[ip_str] = {"ip": ip_str, "mac": mac}
result[ip_str] = {"ip": ip_str, "mac": mac}
except ValueError:
pass
except Exception:
pass
return result
# Phase 3: scapy ARP scan (if Npcap available) — fills in any gaps
if stage_cb:
stage_cb("scapy")
def _collect_scapy():
result = {}
try:
import io, os
import io
_stderr = sys.stderr
sys.stderr = io.StringIO()
try:
@@ -213,12 +135,21 @@ def scan_network(network, progress_cb=None, stage_cb=None):
arp = ARP(pdst=str(network))
ether = Ether(dst="ff:ff:ff:ff:ff:ff")
result = srp(ether / arp, timeout=2, verbose=0)[0]
for sent, received in result:
ip = received.psrc
if ip not in seen:
seen[ip] = {"ip": ip, "mac": received.hwsrc}
raw = srp(ether / arp, timeout=1, verbose=0)[0] # Giảm từ 2s xuống 1s
for _, received in raw:
result[received.psrc] = {"ip": received.psrc, "mac": received.hwsrc}
except Exception:
pass
return result
# Chạy ARP read và Scapy đồng thời
with ThreadPoolExecutor(max_workers=2) as executor:
f_arp = executor.submit(_collect_arp)
f_scapy = executor.submit(_collect_scapy)
seen = f_arp.result()
# Scapy bổ sung những IP chưa có trong ARP table
for ip, dev in f_scapy.result().items():
if ip not in seen:
seen[ip] = dev
return sorted(seen.values(), key=lambda d: ipaddress.ip_address(d["ip"]))

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@@ -1 +1 @@
1.1.2
1.1.3