测试原理sudo udevadm info /sys/class/net/ifconfigsudo udevadm info /sys/class/net/usb1sudo udevadm info /sys/class/net/enxxx读取所有网卡程序#!/usr/bin/env python3 # -*- coding: utf-8 -*- import os import subprocess def run_cmd(cmd): try: result subprocess.run( cmd, stdoutsubprocess.PIPE, stderrsubprocess.PIPE, textTrue ) if result.returncode 0: return result.stdout.strip() err result.stderr.strip() return fError: {err} if err else Error: command failed except Exception as e: return fException occurred: {str(e)} def get_all_ifconfig(): return run_cmd([ifconfig, -a]) def get_iface_udevadm_info(ifname): return run_cmd([udevadm, info, f/sys/class/net/{ifname}]) def list_ifaces(): try: ifaces os.listdir(/sys/class/net) ifaces.sort() return ifaces except Exception as e: print(f读取网卡列表失败: {e}) return [] if __name__ __main__: print( * 80) print(ifconfig -a 输出) print( * 80) print(get_all_ifconfig()) print() ifaces list_ifaces() if not ifaces: print(没有读取到网卡) else: for ifname in ifaces: print( * 80) print(f网卡: {ifname}) print( * 80) print(get_iface_udevadm_info(ifname)) print()RM500UUI 网页程序#!/usr/bin/env python3 # -*- coding: utf-8 -*- import os import socket import fcntl import struct from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer import subprocess import html import time PORT 12315 def get_iface_ip(ifname): s None try: s socket.socket(socket.AF_INET, socket.SOCK_DGRAM) return socket.inet_ntoa( fcntl.ioctl( s.fileno(), 0x8915, struct.pack(256s, ifname[:15].encode(utf-8)) )[20:24] ) except Exception: return finally: if s: s.close() def get_iface_netmask(ifname): s None try: s socket.socket(socket.AF_INET, socket.SOCK_DGRAM) return socket.inet_ntoa( fcntl.ioctl( s.fileno(), 0x891b, struct.pack(256s, ifname[:15].encode(utf-8)) )[20:24] ) except Exception: return finally: if s: s.close() def read_file(path): try: with open(path, r, encodingutf-8, errorsignore) as f: return f.read().strip() except Exception: return def run_cmd(cmd): try: r subprocess.run(cmd, stdoutsubprocess.PIPE, stderrsubprocess.STDOUT, textTrue) return r.stdout.strip() except Exception as e: return f命令执行失败: {e} def list_ifaces(): try: names os.listdir(/sys/class/net) names.sort() return names except Exception: return [] def get_iface_mac(ifname): return read_file(f/sys/class/net/{ifname}/address) def get_iface_state(ifname): return read_file(f/sys/class/net/{ifname}/operstate) def get_iface_mtu(ifname): return read_file(f/sys/class/net/{ifname}/mtu) def get_iface_type(ifname): t read_file(f/sys/class/net/{ifname}/type) type_map { 1: Ethernet, 24: Loopback, 32: IPIP, 512: PPP, 768: Tunnel, 772: Loopback, 801: IEEE802.11, } return type_map.get(t, t if t else 未知) def get_iface_speed(ifname): v read_file(f/sys/class/net/{ifname}/speed) return v if v else def get_iface_duplex(ifname): return read_file(f/sys/class/net/{ifname}/duplex) def get_iface_carrier(ifname): return read_file(f/sys/class/net/{ifname}/carrier) def get_iface_ipv6_list(ifname): result [] try: with open(/proc/net/if_inet6, r, encodingutf-8, errorsignore) as f: for line in f: parts line.strip().split() if len(parts) 6 and parts[5] ifname: raw parts[0] addr socket.inet_ntop(socket.AF_INET6, bytes.fromhex(raw)) prefix int(parts[2], 16) result.append(f{addr}/{prefix}) except Exception: pass return result def get_iface_ipv4_list(ifname): result [] out run_cmd([ip, -o, -4, addr, show, dev, ifname]) if out.startswith(命令执行失败) or not out: ip get_iface_ip(ifname) if ip: mask get_iface_netmask(ifname) if mask: result.append(f{ip} / {mask}) else: result.append(ip) return result for line in out.splitlines(): parts line.split() if inet in parts: idx parts.index(inet) if idx 1 len(parts): result.append(parts[idx 1]) return result def classify_udev_key(key): basic_keys { DEVPATH, DEVNAME, DEVTYPE, SUBSYSTEM, IFINDEX, INTERFACE, MAJOR, MINOR, ACTION, SEQNUM, USEC_INITIALIZED } if key in basic_keys: return 基础信息 if key.startswith(ID_NET_NAME) or key.startswith(ID_NET_LABEL) or key in {ID_RENAMING, ID_NET_DRIVER}: return 命名信息 if ( key.startswith(ID_USB) or key.startswith(ID_VENDOR) or key.startswith(ID_MODEL) or key.startswith(ID_PATH) or key.startswith(ID_PCI) or key.startswith(PCI_) or key in {ID_BUS, DRIVER, MODALIAS} ): return 总线硬件 if ( key.startswith(ID_NET_) or key in { ADDR_ASSIGN_TYPE, ADDR_LEN, BROADCAST, CARRIER, CARRIER_CHANGES, CARRIER_UP_COUNT, CARRIER_DOWN_COUNT, SPEED, DUPLEX, MTU, TX_QUEUE_LEN, LINK_FILE } ): return 网络属性 return 其他属性 def get_udevadm_grouped(ifname): raw run_cmd([udevadm, info, f/sys/class/net/{ifname}]) groups { 基础信息: [], 系统路径: [], 命名信息: [], 总线硬件: [], 网络属性: [], 其他属性: [], 符号链接: [], } if raw.startswith(命令执行失败): groups[其他属性].append((错误, raw)) return groups for line in raw.splitlines(): line line.strip() if not line or len(line) 2 or line[1] ! :: continue prefix line[:2] value line[2:].strip() if prefix P:: groups[系统路径].append((DEVPATH, value)) elif prefix M:: groups[基础信息].append((内核名, value)) elif prefix R:: groups[基础信息].append((设备号, value)) elif prefix U:: groups[基础信息].append((子系统, value)) elif prefix T:: groups[基础信息].append((类型, value)) elif prefix D:: groups[基础信息].append((设备节点, value)) elif prefix N:: groups[命名信息].append((当前网卡名, value)) elif prefix L:: groups[符号链接].append((优先级, value)) elif prefix S:: groups[符号链接].append((别名路径, value)) elif prefix E:: if in value: k, v value.split(, 1) groups[classify_udev_key(k)].append((k, v)) else: groups[其他属性].append((属性, value)) return groups def get_host_ips(): result [] for ifname in list_ifaces(): ip get_iface_ip(ifname) if ip: result.append((ifname, ip)) return result def render_kv_table(items): if not items: return div classempty无/div rows [] for k, v in items: rows.append( ftrtd{html.escape(str(k))}/tdtd{html.escape(str(v))}/td/tr ) return table classkv .join(rows) /table def render_udev_sections(groups, ifname): order [基础信息, 系统路径, 命名信息, 总线硬件, 网络属性, 其他属性, 符号链接] blocks [] for name in order: blocks.append(f details classsubbox open summary{html.escape(name)}/summary {render_kv_table(groups.get(name, []))} /details ) return f details classudev-box open summary查看整理后的 udevadm 信息/sys/class/net/{html.escape(ifname)}/summary {.join(blocks)} /details def build_iface_card(ifname): ip4_list get_iface_ipv4_list(ifname) ipv6_list get_iface_ipv6_list(ifname) mac get_iface_mac(ifname) state get_iface_state(ifname) mtu get_iface_mtu(ifname) speed get_iface_speed(ifname) duplex get_iface_duplex(ifname) carrier get_iface_carrier(ifname) iftype get_iface_type(ifname) udev_groups get_udevadm_grouped(ifname) ip4_html br.join(html.escape(x) for x in ip4_list) if ip4_list else 无 ip6_html br.join(html.escape(x) for x in ipv6_list) if ipv6_list else 无 return f div classcard div classtitle{html.escape(ifname)}/div table classmain trtd类型/tdtd{html.escape(iftype)}/td/tr trtd状态/tdtd{html.escape(state) if state else 未知}/td/tr trtd载波/tdtd{已连接 if carrier 1 else (未连接 if carrier 0 else 未知)}/td/tr trtdMAC/tdtd{html.escape(mac) if mac else 无}/td/tr trtdMTU/tdtd{html.escape(mtu) if mtu else 未知}/td/tr trtdIPv4/tdtd{ip4_html}/td/tr trtdIPv6/tdtd{ip6_html}/td/tr trtdSpeed/tdtd{html.escape(speed) Mb/s if speed else 未知}/td/tr trtdDuplex/tdtd{html.escape(duplex) if duplex else 未知}/td/tr /table {render_udev_sections(udev_groups, ifname)} /div def build_page(): iface_names list_ifaces() cards .join(build_iface_card(name) for name in iface_names) ip_links [] for ifname, ip in get_host_ips(): ip_links.append( fa hrefhttp://{html.escape(ip)}:{PORT} target_blank{html.escape(ifname)}: {html.escape(ip)}/a ) ip_links_html br.join(ip_links) if ip_links else 未检测到可访问 IPv4 now time.strftime(%Y-%m-%d %H:%M:%S) return f!DOCTYPE html html langzh-CN head meta charsetUTF-8 meta nameviewport contentwidthdevice-width, initial-scale1.0 title网卡信息/title style body {{ margin: 0; padding: 20px; font-family: Arial, Microsoft YaHei, sans-serif; background: #f5f7fb; color: #222; }} .wrap {{ max-width: 1280px; margin: 0 auto; }} .top {{ background: #fff; border-radius: 14px; padding: 18px; box-shadow: 0 2px 12px rgba(0,0,0,.08); margin-bottom: 18px; }} h1 {{ margin: 0 0 10px 0; font-size: 28px; }} .muted {{ color: #666; font-size: 14px; }} .grid {{ display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 16px; }} .card {{ background: #fff; border-radius: 14px; padding: 16px; box-shadow: 0 2px 12px rgba(0,0,0,.08); }} .title {{ font-size: 22px; font-weight: bold; margin-bottom: 12px; color: #0b57d0; }} table {{ width: 100%; border-collapse: collapse; }} .main td {{ border-bottom: 1px solid #eee; padding: 8px 6px; vertical-align: top; word-break: break-all; }} .main td:first-child {{ width: 90px; color: #666; }} .kv td {{ border-bottom: 1px solid #f0f0f0; padding: 7px 6px; vertical-align: top; word-break: break-all; }} .kv td:first-child {{ width: 160px; color: #666; }} details {{ margin-top: 10px; }} summary {{ cursor: pointer; color: #0b57d0; user-select: none; }} .udev-box {{ margin-top: 12px; padding-top: 6px; }} .subbox {{ background: #fafbff; border: 1px solid #edf1f7; border-radius: 10px; padding: 8px 10px; margin-top: 10px; }} .empty {{ color: #888; padding: 6px 2px; }} a {{ color: #0b57d0; text-decoration: none; }} /style /head body div classwrap div classtop h1所有网卡信息/h1 div classmuted刷新时间{html.escape(now)}/div div stylemargin-top:10px;b访问地址/bbr{ip_links_html}/div /div div classgrid {cards if cards else div classcard没有读取到网卡/div} /div /div /body /html class Handler(BaseHTTPRequestHandler): def do_GET(self): body build_page() data body.encode(utf-8) self.send_response(200) self.send_header(Content-Type, text/html; charsetutf-8) self.send_header(Content-Length, str(len(data))) self.end_headers() self.wfile.write(data) def log_message(self, format, *args): return if __name__ __main__: server ThreadingHTTPServer((0.0.0.0, PORT), Handler) print(f访问地址: http://0.0.0.0:{PORT}) for ifname, ip in get_host_ips(): print(fhttp://{ip}:{PORT} [{ifname}]) server.serve_forever()