From bcb8f9532f3a5765344e1beec68174e4212111bc Mon Sep 17 00:00:00 2001 From: Olivier Date: Fri, 21 Aug 2026 15:21:29 +0200 Subject: [PATCH] first commit --- CHANGELOG.md | 16 + LICENSE | 674 ++++++++++++++++++++++++++++ README.md | 103 +++++ assets/librenet-scanner.desktop | 11 + assets/librenet-scanner.svg | 10 + dist/librenet-scanner_0.1.0_all.deb | Bin 0 -> 23324 bytes install-debian13.sh | 9 + packaging/build-deb.sh | 31 ++ packaging/debian/control | 12 + pyproject.toml | 21 + run-from-source.sh | 5 + src/librenet_scanner/__init__.py | 3 + src/librenet_scanner/__main__.py | 3 + src/librenet_scanner/exporters.py | 52 +++ src/librenet_scanner/main.py | 24 + src/librenet_scanner/models.py | 62 +++ src/librenet_scanner/network.py | 78 ++++ src/librenet_scanner/parsers.py | 122 +++++ src/librenet_scanner/scanner.py | 174 +++++++ src/librenet_scanner/storage.py | 93 ++++ src/librenet_scanner/ui.py | 425 ++++++++++++++++++ tests/test_parsers.py | 52 +++ 22 files changed, 1980 insertions(+) create mode 100644 CHANGELOG.md create mode 100644 LICENSE create mode 100644 assets/librenet-scanner.desktop create mode 100644 assets/librenet-scanner.svg create mode 100644 dist/librenet-scanner_0.1.0_all.deb create mode 100755 install-debian13.sh create mode 100755 packaging/build-deb.sh create mode 100644 packaging/debian/control create mode 100644 pyproject.toml create mode 100755 run-from-source.sh create mode 100644 src/librenet_scanner/__init__.py create mode 100644 src/librenet_scanner/__main__.py create mode 100644 src/librenet_scanner/exporters.py create mode 100644 src/librenet_scanner/main.py create mode 100644 src/librenet_scanner/models.py create mode 100644 src/librenet_scanner/network.py create mode 100644 src/librenet_scanner/parsers.py create mode 100644 src/librenet_scanner/scanner.py create mode 100644 src/librenet_scanner/storage.py create mode 100644 src/librenet_scanner/ui.py create mode 100644 tests/test_parsers.py diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..c2c4389 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,16 @@ +# Changelog + +## 0.1.0 — 2026-08-21 + +Première version Debian 13 / KDE : + +- interface Qt 6 / PySide6 ; +- détection du réseau local ; +- profils Rapide, Standard et Approfondi ; +- intégration Nmap et arp-scan ; +- repli Nmap si arp-scan n'est pas autorisé pour l'utilisateur ; +- inventaire IP/MAC/constructeur/ports/services ; +- actions KDE (Konsole, Dolphin, navigateur, Remmina optionnel) ; +- export CSV/JSON ; +- historique SQLite ; +- paquet Debian `.deb` architecture `all`. diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md index e69de29..171e3b0 100644 --- a/README.md +++ b/README.md @@ -0,0 +1,103 @@ +# LibreNet Scanner 0.1.0 + +LibreNet Scanner est un scanner réseau graphique pour Linux, pensé comme une alternative libre et simple à Advanced IP Scanner. + +Cette première version cible **Debian 13 (Trixie) + KDE Plasma** et utilise uniquement des composants disponibles dans les dépôts Debian. + +## Fonctionnalités V0.1 + +- détection automatique des interfaces IPv4 et du CIDR local ; +- filtrage par défaut des interfaces Docker/Podman/virbr/veth ; +- 3 profils de scan : Rapide, Standard et Approfondi ; +- découverte ARP avec `arp-scan` sur le LAN local ; +- découverte et scan TCP avec `nmap` ; +- affichage IP, nom DNS, MAC, constructeur, ports/services, OS si disponible, latence ; +- scan détaillé des 1000 ports principaux d'une machine par double-clic/clic droit ; +- actions KDE : HTTP/HTTPS, SSH et ping dans Konsole, SMB dans Dolphin, RDP avec Remmina si installé ; +- export CSV et JSON ; +- historique SQLite des scans ; +- interface non lancée en root ; +- limite de sécurité à 4096 adresses par scan dans cette V0.1. + +## Installation sur Debian 13 + +Le plus simple est d'utiliser le paquet `.deb` fourni : + +```bash +sudo apt install ./librenet-scanner_0.1.0_all.deb +``` + +APT installera automatiquement les dépendances (`python3-pyside6.qtwidgets`, `nmap`, `arp-scan`, etc.). + +Puis lancer : + +```bash +librenet-scanner +``` + +ou chercher **LibreNet Scanner** dans le menu KDE. + +## Dépendances + +Obligatoires : + +- Python 3 +- PySide6 / Qt 6 +- Nmap +- arp-scan +- iproute2 +- xdg-utils +- iputils-ping + +Recommandées : + +- Konsole +- Remmina + +## Profils + +### Rapide + +Sur le réseau directement connecté : `arp-scan`. Pour une cible distante : découverte `nmap -sn`. + +### Standard + +Découverte des hôtes puis scan d'une liste de ports d'administration courants : 22, 23, 53, 80, 139, 443, 445, 3389, 5900, 8006, 8080, 8443 et 9100. + +### Approfondi + +Scan TCP des 100 ports les plus courants avec détection légère de version (`nmap -sT -sV --version-light`). + +Le double-clic sur une machine lance un scan des 1000 ports les plus courants avec détection de services. + +## Sécurité + +LibreNet Scanner n'exécute pas son interface graphique en root et transmet les cibles à Nmap/arp-scan sous forme d'arguments, sans passer par un shell. + +Utilisez le programme uniquement sur des réseaux que vous êtes autorisé à scanner. + +## Données locales + +L'historique se trouve dans : + +```text +~/.local/share/librenet-scanner/history.sqlite3 +``` + +ou sous `$XDG_DATA_HOME/librenet-scanner/` si cette variable est définie. + +## Licence + +Le code de LibreNet Scanner est sous licence **GPL-3.0-or-later**. + +Nmap et arp-scan sont des programmes externes installés séparément par Debian et conservent leurs propres licences. + +### À propos de `arp-scan` sur Debian 13 + +Debian compile `arp-scan` avec le support des capabilities, mais le paquet indique qu'un utilisateur non privilégié peut devoir activer explicitement `CAP_NET_RAW` pour utiliser toutes les fonctions : + +```bash +sudo setcap cap_net_raw+p /usr/sbin/arp-scan +``` + +Cette commande n'est **pas exécutée automatiquement** par LibreNet Scanner. Si `arp-scan` n'est pas utilisable par l'utilisateur courant, le profil Rapide se replie automatiquement sur `nmap -sn` et l'interface graphique reste non-root. diff --git a/assets/librenet-scanner.desktop b/assets/librenet-scanner.desktop new file mode 100644 index 0000000..77369e4 --- /dev/null +++ b/assets/librenet-scanner.desktop @@ -0,0 +1,11 @@ +[Desktop Entry] +Type=Application +Name=LibreNet Scanner +GenericName=Scanner réseau +Comment=Découvrir les machines et services d'un réseau avec Nmap et arp-scan +Exec=librenet-scanner +Icon=librenet-scanner +Terminal=false +Categories=Network;System;Utility; +Keywords=network;scanner;nmap;arp;ip;lan; +StartupNotify=true diff --git a/assets/librenet-scanner.svg b/assets/librenet-scanner.svg new file mode 100644 index 0000000..0e41fe0 --- /dev/null +++ b/assets/librenet-scanner.svg @@ -0,0 +1,10 @@ + + + + + + + + + + diff --git a/dist/librenet-scanner_0.1.0_all.deb b/dist/librenet-scanner_0.1.0_all.deb new file mode 100644 index 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"Paquet .deb absent. Construction..." + "$HERE/packaging/build-deb.sh" +fi +exec sudo apt install "$DEB" diff --git a/packaging/build-deb.sh b/packaging/build-deb.sh new file mode 100755 index 0000000..3237065 --- /dev/null +++ b/packaging/build-deb.sh @@ -0,0 +1,31 @@ +#!/bin/sh +set -eu +ROOT=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd) +VERSION=0.1.0 +PKGROOT="/tmp/librenet-scanner-debroot-$$" +trap 'rm -rf "$PKGROOT"' EXIT HUP INT TERM +OUT="$ROOT/dist" +rm -rf "$PKGROOT" +mkdir -p "$PKGROOT/DEBIAN" \ + "$PKGROOT/usr/lib/python3/dist-packages/librenet_scanner" \ + "$PKGROOT/usr/bin" \ + "$PKGROOT/usr/share/applications" \ + "$PKGROOT/usr/share/icons/hicolor/scalable/apps" \ + "$PKGROOT/usr/share/doc/librenet-scanner" \ + "$OUT" +cp "$ROOT/packaging/debian/control" "$PKGROOT/DEBIAN/control" +cp "$ROOT/src/librenet_scanner/"*.py "$PKGROOT/usr/lib/python3/dist-packages/librenet_scanner/" +cat > "$PKGROOT/usr/bin/librenet-scanner" <<'EOS' +#!/bin/sh +exec python3 -m librenet_scanner "$@" +EOS +chmod 0755 "$PKGROOT/usr/bin/librenet-scanner" +cp "$ROOT/assets/librenet-scanner.desktop" "$PKGROOT/usr/share/applications/" +cp "$ROOT/assets/librenet-scanner.svg" "$PKGROOT/usr/share/icons/hicolor/scalable/apps/" +cp "$ROOT/README.md" "$PKGROOT/usr/share/doc/librenet-scanner/README.md" +cp "$ROOT/LICENSE" "$PKGROOT/usr/share/doc/librenet-scanner/LICENSE" +find "$PKGROOT" -type d -exec chmod 0755 {} + +find "$PKGROOT" -type f -exec chmod 0644 {} + +chmod 0755 "$PKGROOT/usr/bin/librenet-scanner" "$PKGROOT/DEBIAN" +dpkg-deb --root-owner-group --build "$PKGROOT" "$OUT/librenet-scanner_${VERSION}_all.deb" +echo "$OUT/librenet-scanner_${VERSION}_all.deb" diff --git a/packaging/debian/control b/packaging/debian/control new file mode 100644 index 0000000..03e32d2 --- /dev/null +++ b/packaging/debian/control @@ -0,0 +1,12 @@ +Package: librenet-scanner +Version: 0.1.0 +Section: net +Priority: optional +Architecture: all +Maintainer: Local package +Depends: python3, python3-pyside6.qtwidgets, nmap, arp-scan, iproute2, xdg-utils, iputils-ping +Suggests: konsole, remmina +Description: scanner reseau graphique libre pour Linux + LibreNet Scanner fournit une interface Qt simple pour decouvrir les hotes, + adresses MAC, constructeurs et services d'un reseau en utilisant Nmap et + arp-scan comme moteurs externes. diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..cebee6f --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,21 @@ +[build-system] +requires = ["setuptools>=68"] +build-backend = "setuptools.build_meta" + +[project] +name = "librenet-scanner" +version = "0.1.0" +description = "Scanner réseau graphique libre pour Linux, basé sur Nmap et arp-scan" +readme = "README.md" +requires-python = ">=3.11" +license = {text = "GPL-3.0-or-later"} +authors = [{name = "LibreNet Scanner contributors"}] + +[project.scripts] +librenet-scanner = "librenet_scanner.main:main" + +[tool.setuptools] +package-dir = {"" = "src"} + +[tool.setuptools.packages.find] +where = ["src"] diff --git a/run-from-source.sh b/run-from-source.sh new file mode 100755 index 0000000..0c7c386 --- /dev/null +++ b/run-from-source.sh @@ -0,0 +1,5 @@ +#!/bin/sh +set -eu +HERE=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd) +export PYTHONPATH="$HERE/src${PYTHONPATH:+:$PYTHONPATH}" +exec python3 -m librenet_scanner "$@" diff --git a/src/librenet_scanner/__init__.py b/src/librenet_scanner/__init__.py new file mode 100644 index 0000000..aff5dac --- /dev/null +++ b/src/librenet_scanner/__init__.py @@ -0,0 +1,3 @@ +"""LibreNet Scanner - scanner réseau graphique libre pour Linux.""" + +__version__ = "0.1.0" diff --git a/src/librenet_scanner/__main__.py b/src/librenet_scanner/__main__.py new file mode 100644 index 0000000..774cc25 --- /dev/null +++ b/src/librenet_scanner/__main__.py @@ -0,0 +1,3 @@ +from .main import main + +raise SystemExit(main()) diff --git a/src/librenet_scanner/exporters.py b/src/librenet_scanner/exporters.py new file mode 100644 index 0000000..0ae633e --- /dev/null +++ b/src/librenet_scanner/exporters.py @@ -0,0 +1,52 @@ +from __future__ import annotations + +import csv +import json +from pathlib import Path + +from .models import Host + + +def export_csv(path: str | Path, hosts: list[Host]) -> None: + with open(path, "w", encoding="utf-8", newline="") as handle: + writer = csv.writer(handle) + writer.writerow(["status", "hostname", "ip", "mac", "vendor", "ports", "os", "latency_ms", "last_seen"]) + for host in hosts: + writer.writerow([ + host.status, + host.hostname, + host.ip, + host.mac, + host.vendor, + host.ports_summary, + host.os_name, + "" if host.latency_ms is None else f"{host.latency_ms:.2f}", + host.last_seen, + ]) + + +def export_json(path: str | Path, hosts: list[Host]) -> None: + payload = [] + for host in hosts: + payload.append({ + "status": host.status, + "hostname": host.hostname, + "ip": host.ip, + "mac": host.mac, + "vendor": host.vendor, + "os": host.os_name, + "latency_ms": host.latency_ms, + "last_seen": host.last_seen, + "ports": [ + { + "port": p.port, + "protocol": p.protocol, + "service": p.service, + "product": p.product, + "version": p.version, + } + for p in host.ports + ], + }) + with open(path, "w", encoding="utf-8") as handle: + json.dump(payload, handle, ensure_ascii=False, indent=2) diff --git a/src/librenet_scanner/main.py b/src/librenet_scanner/main.py new file mode 100644 index 0000000..0726744 --- /dev/null +++ b/src/librenet_scanner/main.py @@ -0,0 +1,24 @@ +from __future__ import annotations + +import sys + +from PySide6.QtGui import QIcon +from PySide6.QtWidgets import QApplication + +from .ui import MainWindow + + +def main() -> int: + app = QApplication(sys.argv) + app.setApplicationName("LibreNet Scanner") + app.setOrganizationName("LibreNet") + icon = QIcon.fromTheme("network-wired") + if not icon.isNull(): + app.setWindowIcon(icon) + window = MainWindow() + window.show() + return app.exec() + + +if __name__ == "__main__": + raise SystemExit(main()) diff --git a/src/librenet_scanner/models.py b/src/librenet_scanner/models.py new file mode 100644 index 0000000..58d8c24 --- /dev/null +++ b/src/librenet_scanner/models.py @@ -0,0 +1,62 @@ +from __future__ import annotations + +from dataclasses import dataclass, field +from datetime import datetime, timezone + + +@dataclass(slots=True) +class PortInfo: + port: int + protocol: str = "tcp" + state: str = "open" + service: str = "" + product: str = "" + version: str = "" + + @property + def label(self) -> str: + service = self.service or "?" + return f"{self.port}/{self.protocol} {service}" if service else f"{self.port}/{self.protocol}" + + +@dataclass(slots=True) +class Host: + ip: str + hostname: str = "" + mac: str = "" + vendor: str = "" + status: str = "up" + os_name: str = "" + latency_ms: float | None = None + ports: list[PortInfo] = field(default_factory=list) + last_seen: str = field(default_factory=lambda: datetime.now(timezone.utc).astimezone().isoformat(timespec="seconds")) + + def merge(self, other: "Host") -> "Host": + if other.hostname: + self.hostname = other.hostname + if other.mac: + self.mac = other.mac.upper() + if other.vendor: + self.vendor = other.vendor + if other.os_name: + self.os_name = other.os_name + if other.latency_ms is not None: + self.latency_ms = other.latency_ms + if other.ports: + known = {(p.port, p.protocol): p for p in self.ports} + for port in other.ports: + known[(port.port, port.protocol)] = port + self.ports = sorted(known.values(), key=lambda p: (p.protocol, p.port)) + self.status = other.status or self.status + self.last_seen = other.last_seen or self.last_seen + return self + + @property + def ports_summary(self) -> str: + if not self.ports: + return "" + return ", ".join( + f"{p.port}/{p.protocol}" + (f" ({p.service})" if p.service else "") + for p in self.ports + if p.state == "open" + ) diff --git a/src/librenet_scanner/network.py b/src/librenet_scanner/network.py new file mode 100644 index 0000000..7eea8e0 --- /dev/null +++ b/src/librenet_scanner/network.py @@ -0,0 +1,78 @@ +from __future__ import annotations + +import ipaddress +import json +import subprocess +from dataclasses import dataclass + + +VIRTUAL_PREFIXES = ( + "lo", "docker", "br-", "veth", "virbr", "podman", "cni", "flannel", "tun", "tap", +) + + +@dataclass(slots=True, frozen=True) +class NetworkInterface: + name: str + address: str + prefixlen: int + network: str + is_virtual: bool = False + + @property + def label(self) -> str: + suffix = " (virtuelle)" if self.is_virtual else "" + return f"{self.name} — {self.address}/{self.prefixlen} — {self.network}{suffix}" + + +def validate_target(value: str) -> str: + value = value.strip() + try: + if "/" in value: + return str(ipaddress.ip_network(value, strict=False)) + return str(ipaddress.ip_address(value)) + except ValueError as exc: + raise ValueError(f"Cible IPv4 invalide : {value}") from exc + + +def list_ipv4_interfaces() -> list[NetworkInterface]: + try: + proc = subprocess.run( + ["ip", "-j", "-4", "addr", "show", "up"], + check=True, + capture_output=True, + text=True, + timeout=5, + ) + payload = json.loads(proc.stdout) + except (OSError, subprocess.SubprocessError, json.JSONDecodeError): + return [] + + result: list[NetworkInterface] = [] + for item in payload: + name = item.get("ifname", "") + if not name or name == "lo": + continue + virtual = name.startswith(VIRTUAL_PREFIXES) + for addr in item.get("addr_info", []): + if addr.get("family") != "inet" or addr.get("scope") != "global": + continue + local = addr.get("local") + prefixlen = int(addr.get("prefixlen", 32)) + if not local: + continue + network = str(ipaddress.ip_network(f"{local}/{prefixlen}", strict=False)) + result.append(NetworkInterface(name, local, prefixlen, network, virtual)) + result.sort(key=lambda i: (i.is_virtual, i.name, i.address)) + return result + + +def target_is_on_interface(target: str, interface: NetworkInterface | None) -> bool: + if interface is None: + return False + try: + iface_net = ipaddress.ip_network(interface.network, strict=False) + target_net = ipaddress.ip_network(target, strict=False) if "/" in target else ipaddress.ip_network(f"{target}/32") + return target_net.subnet_of(iface_net) + except ValueError: + return False diff --git a/src/librenet_scanner/parsers.py b/src/librenet_scanner/parsers.py new file mode 100644 index 0000000..336ec08 --- /dev/null +++ b/src/librenet_scanner/parsers.py @@ -0,0 +1,122 @@ +from __future__ import annotations + +import re +import xml.etree.ElementTree as ET +from datetime import datetime, timezone + +from .models import Host, PortInfo + + +ARP_LINE = re.compile( + r"^(?P(?:\d{1,3}\.){3}\d{1,3})\s+" + r"(?P(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2})" + r"(?:\s+(?P.*?))?\s*$" +) + + +def parse_arp_scan(text: str) -> list[Host]: + hosts: list[Host] = [] + for raw in text.splitlines(): + match = ARP_LINE.match(raw.strip()) + if not match: + continue + vendor = (match.group("vendor") or "").strip() + if vendor == "(Unknown)": + vendor = "" + hosts.append( + Host( + ip=match.group("ip"), + mac=match.group("mac").upper(), + vendor=vendor, + status="up", + ) + ) + return hosts + + +def _address(host_node: ET.Element, kind: str) -> tuple[str, str]: + for addr in host_node.findall("address"): + if addr.get("addrtype") == kind: + return addr.get("addr", ""), addr.get("vendor", "") + return "", "" + + +def _latency(host_node: ET.Element) -> float | None: + times = host_node.find("times") + if times is None: + return None + srtt = times.get("srtt") + if not srtt: + return None + try: + return int(srtt) / 1000.0 + except ValueError: + return None + + +def parse_nmap_xml(text: str) -> list[Host]: + if not text.strip(): + return [] + root = ET.fromstring(text) + hosts: list[Host] = [] + now = datetime.now(timezone.utc).astimezone().isoformat(timespec="seconds") + + for node in root.findall("host"): + status_node = node.find("status") + status = status_node.get("state", "unknown") if status_node is not None else "unknown" + if status not in {"up", "unknown"}: + continue + + ip, _ = _address(node, "ipv4") + if not ip: + continue + mac, vendor = _address(node, "mac") + + hostname = "" + hostnames = node.find("hostnames") + if hostnames is not None: + candidate = hostnames.find("hostname") + if candidate is not None: + hostname = candidate.get("name", "") + + os_name = "" + os_node = node.find("os") + if os_node is not None: + match = os_node.find("osmatch") + if match is not None: + os_name = match.get("name", "") + + ports: list[PortInfo] = [] + ports_node = node.find("ports") + if ports_node is not None: + for pnode in ports_node.findall("port"): + state_node = pnode.find("state") + state = state_node.get("state", "") if state_node is not None else "" + if state != "open": + continue + service_node = pnode.find("service") + ports.append( + PortInfo( + port=int(pnode.get("portid", "0")), + protocol=pnode.get("protocol", "tcp"), + state=state, + service=service_node.get("name", "") if service_node is not None else "", + product=service_node.get("product", "") if service_node is not None else "", + version=service_node.get("version", "") if service_node is not None else "", + ) + ) + + hosts.append( + Host( + ip=ip, + hostname=hostname, + mac=mac.upper(), + vendor=vendor, + status=status, + os_name=os_name, + latency_ms=_latency(node), + ports=ports, + last_seen=now, + ) + ) + return hosts diff --git a/src/librenet_scanner/scanner.py b/src/librenet_scanner/scanner.py new file mode 100644 index 0000000..713704f --- /dev/null +++ b/src/librenet_scanner/scanner.py @@ -0,0 +1,174 @@ +from __future__ import annotations + +import ipaddress +import os +import shutil +import subprocess +from dataclasses import dataclass + +from PySide6.QtCore import QThread, Signal + +from .models import Host +from .network import NetworkInterface, target_is_on_interface +from .parsers import parse_arp_scan, parse_nmap_xml + + +COMMON_PORTS = "22,23,53,80,139,443,445,3389,5900,8006,8080,8443,9100" + + +@dataclass(slots=True) +class ScanRequest: + target: str + profile: str + interface: NetworkInterface | None = None + + +class ScanWorker(QThread): + progress = Signal(str) + hosts_found = Signal(object) + failed = Signal(str) + completed = Signal() + + def __init__(self, request: ScanRequest, parent=None) -> None: + super().__init__(parent) + self.request = request + self._proc: subprocess.Popen[str] | None = None + + def stop(self) -> None: + self.requestInterruption() + proc = self._proc + if proc and proc.poll() is None: + proc.terminate() + + def _run_command(self, args: list[str], label: str) -> tuple[int, str, str]: + if self.isInterruptionRequested(): + return 130, "", "Interrompu" + self.progress.emit(label) + try: + self._proc = subprocess.Popen( + args, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + text=True, + encoding="utf-8", + errors="replace", + ) + stdout, stderr = self._proc.communicate() + return self._proc.returncode or 0, stdout, stderr + except FileNotFoundError: + return 127, "", f"Commande introuvable : {args[0]}" + except OSError as exc: + return 1, "", str(exc) + finally: + self._proc = None + + def _arp_scan_command(self) -> str | None: + found = shutil.which("arp-scan") + if found: + return found + for candidate in ("/usr/sbin/arp-scan", "/usr/bin/arp-scan"): + if os.path.isfile(candidate) and os.access(candidate, os.X_OK): + return candidate + return None + + def _emit_arp(self) -> bool: + command = self._arp_scan_command() + if not command: + return False + iface = self.request.interface + if not iface or not target_is_on_interface(self.request.target, iface): + return False + args = [command, "--interface", iface.name, self.request.target] + code, stdout, stderr = self._run_command(args, "Découverte ARP…") + # arp-scan peut retourner 1 si aucun hôte n'est trouvé : on ne bloque pas le scan Nmap. + hosts = parse_arp_scan(stdout) + if hosts: + self.hosts_found.emit(hosts) + if code not in (0, 1) and stderr: + self.progress.emit(f"arp-scan indisponible sans privilèges, repli Nmap : {stderr.strip().splitlines()[-1]}") + return bool(hosts) + + def _nmap(self, args: list[str], label: str) -> list[Host]: + code, stdout, stderr = self._run_command(args, label) + if self.isInterruptionRequested(): + return [] + if code != 0: + raise RuntimeError(stderr.strip() or f"Nmap a quitté avec le code {code}") + return parse_nmap_xml(stdout) + + def run(self) -> None: + try: + profile = self.request.profile + target = self.request.target + + if profile == "Rapide": + arp_ok = self._emit_arp() + if not arp_ok: + hosts = self._nmap(["nmap", "-sn", "-oX", "-", target], "Découverte Nmap…") + if hosts: + self.hosts_found.emit(hosts) + + elif profile == "Standard": + self._emit_arp() + hosts = self._nmap(["nmap", "-sn", "-oX", "-", target], "Découverte des hôtes…") + if hosts: + self.hosts_found.emit(hosts) + if self.isInterruptionRequested(): + return + ips = [h.ip for h in hosts] + if ips: + args = ["nmap", "-Pn", "-sT", "--open", "-T4", "-p", COMMON_PORTS, "-oX", "-", *ips] + port_hosts = self._nmap(args, "Scan des ports usuels…") + if port_hosts: + self.hosts_found.emit(port_hosts) + + elif profile == "Approfondi": + self._emit_arp() + args = ["nmap", "-sT", "-sV", "--version-light", "--open", "-T4", "--top-ports", "100", "-oX", "-", target] + hosts = self._nmap(args, "Scan approfondi : services et 100 ports principaux…") + if hosts: + self.hosts_found.emit(hosts) + else: + raise RuntimeError(f"Profil inconnu : {profile}") + + except Exception as exc: # frontière thread -> GUI + self.failed.emit(str(exc)) + finally: + self.completed.emit() + + +class HostScanWorker(QThread): + progress = Signal(str) + result = Signal(object) + failed = Signal(str) + completed = Signal() + + def __init__(self, ip: str, parent=None) -> None: + super().__init__(parent) + self.ip = str(ipaddress.ip_address(ip)) + self._proc: subprocess.Popen[str] | None = None + + def stop(self) -> None: + self.requestInterruption() + if self._proc and self._proc.poll() is None: + self._proc.terminate() + + def run(self) -> None: + self.progress.emit(f"Scan détaillé de {self.ip}…") + args = ["nmap", "-sT", "-sV", "--version-light", "--open", "-T4", "--top-ports", "1000", "-oX", "-", self.ip] + try: + self._proc = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, encoding="utf-8", errors="replace") + stdout, stderr = self._proc.communicate() + if self.isInterruptionRequested(): + return + if self._proc.returncode != 0: + self.failed.emit(stderr.strip() or f"Nmap a quitté avec le code {self._proc.returncode}") + return + hosts = parse_nmap_xml(stdout) + if hosts: + self.result.emit(hosts[0]) + except OSError as exc: + self.failed.emit(str(exc)) + finally: + self._proc = None + self.completed.emit() diff --git a/src/librenet_scanner/storage.py b/src/librenet_scanner/storage.py new file mode 100644 index 0000000..10c37a2 --- /dev/null +++ b/src/librenet_scanner/storage.py @@ -0,0 +1,93 @@ +from __future__ import annotations + +import json +import os +import sqlite3 +from datetime import datetime, timezone +from pathlib import Path + +from .models import Host + + +def data_dir() -> Path: + root = os.environ.get("XDG_DATA_HOME") + if root: + path = Path(root) / "librenet-scanner" + else: + path = Path.home() / ".local" / "share" / "librenet-scanner" + path.mkdir(parents=True, exist_ok=True) + return path + + +class HistoryStore: + def __init__(self, db_path: Path | None = None) -> None: + self.db_path = db_path or data_dir() / "history.sqlite3" + self.db_path.parent.mkdir(parents=True, exist_ok=True) + self._init_db() + + def _connect(self) -> sqlite3.Connection: + conn = sqlite3.connect(self.db_path) + conn.row_factory = sqlite3.Row + return conn + + def _init_db(self) -> None: + with self._connect() as conn: + conn.executescript( + """ + PRAGMA journal_mode=WAL; + CREATE TABLE IF NOT EXISTS scans ( + id INTEGER PRIMARY KEY AUTOINCREMENT, + created_at TEXT NOT NULL, + target TEXT NOT NULL, + profile TEXT NOT NULL, + host_count INTEGER NOT NULL + ); + CREATE TABLE IF NOT EXISTS scan_hosts ( + scan_id INTEGER NOT NULL, + ip TEXT NOT NULL, + hostname TEXT, + mac TEXT, + vendor TEXT, + os_name TEXT, + ports_json TEXT NOT NULL, + FOREIGN KEY(scan_id) REFERENCES scans(id) ON DELETE CASCADE + ); + """ + ) + + def save_scan(self, target: str, profile: str, hosts: list[Host]) -> int: + now = datetime.now(timezone.utc).astimezone().isoformat(timespec="seconds") + with self._connect() as conn: + cur = conn.execute( + "INSERT INTO scans(created_at, target, profile, host_count) VALUES (?, ?, ?, ?)", + (now, target, profile, len(hosts)), + ) + scan_id = int(cur.lastrowid) + for host in hosts: + ports = [ + { + "port": p.port, + "protocol": p.protocol, + "service": p.service, + "product": p.product, + "version": p.version, + } + for p in host.ports + ] + conn.execute( + """ + INSERT INTO scan_hosts(scan_id, ip, hostname, mac, vendor, os_name, ports_json) + VALUES (?, ?, ?, ?, ?, ?, ?) + """, + (scan_id, host.ip, host.hostname, host.mac, host.vendor, host.os_name, json.dumps(ports, ensure_ascii=False)), + ) + return scan_id + + def recent_scans(self, limit: int = 100) -> list[sqlite3.Row]: + with self._connect() as conn: + return list( + conn.execute( + "SELECT id, created_at, target, profile, host_count FROM scans ORDER BY id DESC LIMIT ?", + (limit,), + ) + ) diff --git a/src/librenet_scanner/ui.py b/src/librenet_scanner/ui.py new file mode 100644 index 0000000..61cc092 --- /dev/null +++ b/src/librenet_scanner/ui.py @@ -0,0 +1,425 @@ +from __future__ import annotations + +import ipaddress +import os +import shutil +import subprocess +from pathlib import Path + +from PySide6.QtCore import Qt, QUrl +from PySide6.QtGui import QAction, QColor, QDesktopServices, QIcon +from PySide6.QtWidgets import ( + QAbstractItemView, + QApplication, + QComboBox, + QDialog, + QFileDialog, + QFormLayout, + QHBoxLayout, + QHeaderView, + QLabel, + QLineEdit, + QMainWindow, + QMenu, + QMessageBox, + QPushButton, + QStatusBar, + QTableWidget, + QTableWidgetItem, + QVBoxLayout, + QWidget, +) + +from .exporters import export_csv, export_json +from .models import Host +from .network import NetworkInterface, list_ipv4_interfaces, validate_target +from .scanner import HostScanWorker, ScanRequest, ScanWorker +from .storage import HistoryStore + + +COL_STATUS = 0 +COL_HOSTNAME = 1 +COL_IP = 2 +COL_MAC = 3 +COL_VENDOR = 4 +COL_PORTS = 5 +COL_OS = 6 +COL_LATENCY = 7 +COL_LAST = 8 + + +class HistoryDialog(QDialog): + def __init__(self, store: HistoryStore, parent=None) -> None: + super().__init__(parent) + self.setWindowTitle("Historique des scans") + self.resize(780, 420) + layout = QVBoxLayout(self) + table = QTableWidget(0, 5, self) + table.setHorizontalHeaderLabels(["Date", "Cible", "Profil", "Hôtes", "ID"]) + table.setEditTriggers(QAbstractItemView.NoEditTriggers) + table.setSelectionBehavior(QAbstractItemView.SelectRows) + rows = store.recent_scans() + table.setRowCount(len(rows)) + for row_idx, row in enumerate(rows): + values = [row["created_at"], row["target"], row["profile"], str(row["host_count"]), str(row["id"])] + for col, value in enumerate(values): + table.setItem(row_idx, col, QTableWidgetItem(value)) + table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) + table.horizontalHeader().setStretchLastSection(True) + layout.addWidget(table) + + +class MainWindow(QMainWindow): + def __init__(self) -> None: + super().__init__() + self.setWindowTitle("LibreNet Scanner 0.1.0") + self.resize(1220, 700) + self.hosts: dict[str, Host] = {} + self.interfaces: list[NetworkInterface] = [] + self.worker: ScanWorker | None = None + self.host_worker: HostScanWorker | None = None + self.store = HistoryStore() + + self._build_ui() + self._build_menu() + self.refresh_interfaces() + + def _build_ui(self) -> None: + central = QWidget(self) + outer = QVBoxLayout(central) + + top = QHBoxLayout() + self.interface_combo = QComboBox() + self.interface_combo.setMinimumWidth(350) + self.interface_combo.currentIndexChanged.connect(self._interface_changed) + self.target_edit = QLineEdit() + self.target_edit.setPlaceholderText("192.168.1.0/24") + self.target_edit.setMinimumWidth(180) + self.profile_combo = QComboBox() + self.profile_combo.addItems(["Rapide", "Standard", "Approfondi"]) + self.scan_btn = QPushButton("▶ Scanner") + self.scan_btn.clicked.connect(self.start_scan) + self.stop_btn = QPushButton("■ Stop") + self.stop_btn.setEnabled(False) + self.stop_btn.clicked.connect(self.stop_scan) + + top.addWidget(QLabel("Interface :")) + top.addWidget(self.interface_combo, 2) + top.addWidget(QLabel("Réseau / cible :")) + top.addWidget(self.target_edit, 1) + top.addWidget(QLabel("Profil :")) + top.addWidget(self.profile_combo) + top.addWidget(self.scan_btn) + top.addWidget(self.stop_btn) + outer.addLayout(top) + + self.table = QTableWidget(0, 9) + self.table.setHorizontalHeaderLabels([ + "État", "Nom", "IP", "MAC", "Constructeur", "Ports / services", "OS", "Latence", "Dernière vue" + ]) + self.table.setSelectionBehavior(QAbstractItemView.SelectRows) + self.table.setSelectionMode(QAbstractItemView.SingleSelection) + self.table.setEditTriggers(QAbstractItemView.NoEditTriggers) + self.table.setSortingEnabled(True) + self.table.setContextMenuPolicy(Qt.CustomContextMenu) + self.table.customContextMenuRequested.connect(self._context_menu) + self.table.itemDoubleClicked.connect(lambda _item: self.scan_selected_host()) + header = self.table.horizontalHeader() + header.setSectionResizeMode(QHeaderView.Interactive) + header.setStretchLastSection(True) + self.table.setColumnWidth(COL_STATUS, 60) + self.table.setColumnWidth(COL_HOSTNAME, 170) + self.table.setColumnWidth(COL_IP, 125) + self.table.setColumnWidth(COL_MAC, 150) + self.table.setColumnWidth(COL_VENDOR, 190) + self.table.setColumnWidth(COL_PORTS, 280) + outer.addWidget(self.table, 1) + + bottom = QHBoxLayout() + self.summary_label = QLabel("0 hôte") + self.activity_label = QLabel("Prêt") + bottom.addWidget(self.summary_label) + bottom.addStretch(1) + bottom.addWidget(self.activity_label) + outer.addLayout(bottom) + + self.setCentralWidget(central) + self.setStatusBar(QStatusBar()) + + def _build_menu(self) -> None: + file_menu = self.menuBar().addMenu("Fichier") + export_csv_action = QAction("Exporter CSV…", self) + export_csv_action.triggered.connect(self.export_csv_dialog) + export_json_action = QAction("Exporter JSON…", self) + export_json_action.triggered.connect(self.export_json_dialog) + quit_action = QAction("Quitter", self) + quit_action.triggered.connect(self.close) + file_menu.addAction(export_csv_action) + file_menu.addAction(export_json_action) + file_menu.addSeparator() + file_menu.addAction(quit_action) + + scan_menu = self.menuBar().addMenu("Scan") + refresh_action = QAction("Rafraîchir les interfaces", self) + refresh_action.triggered.connect(self.refresh_interfaces) + history_action = QAction("Historique…", self) + history_action.triggered.connect(self.show_history) + clear_action = QAction("Vider les résultats", self) + clear_action.triggered.connect(self.clear_results) + scan_menu.addAction(refresh_action) + scan_menu.addAction(history_action) + scan_menu.addAction(clear_action) + + help_menu = self.menuBar().addMenu("Aide") + about_action = QAction("À propos", self) + about_action.triggered.connect(self.show_about) + help_menu.addAction(about_action) + + def refresh_interfaces(self) -> None: + self.interfaces = list_ipv4_interfaces() + self.interface_combo.blockSignals(True) + self.interface_combo.clear() + visible = [i for i in self.interfaces if not i.is_virtual] + if not visible: + visible = self.interfaces + for iface in visible: + self.interface_combo.addItem(iface.label, iface) + self.interface_combo.blockSignals(False) + if self.interface_combo.count(): + self.interface_combo.setCurrentIndex(0) + self._interface_changed(0) + elif not self.target_edit.text(): + self.target_edit.setText("192.168.1.0/24") + self.statusBar().showMessage(f"{len(visible)} interface(s) IPv4 détectée(s)", 4000) + + def _interface_changed(self, index: int) -> None: + iface = self.interface_combo.itemData(index) + if isinstance(iface, NetworkInterface): + self.target_edit.setText(iface.network) + + def selected_interface(self) -> NetworkInterface | None: + data = self.interface_combo.currentData() + return data if isinstance(data, NetworkInterface) else None + + def start_scan(self) -> None: + if self.worker and self.worker.isRunning(): + return + try: + target = validate_target(self.target_edit.text()) + except ValueError as exc: + QMessageBox.warning(self, "Cible invalide", str(exc)) + return + # Protection simple contre un scan accidentel gigantesque. + if "/" in target: + net = ipaddress.ip_network(target, strict=False) + if net.num_addresses > 4096: + QMessageBox.warning(self, "Réseau trop grand", "La V0.1 limite un scan à 4096 adresses (jusqu'à /20 en IPv4).") + return + + profile = self.profile_combo.currentText() + self.hosts.clear() + self.table.setSortingEnabled(False) + self.table.setRowCount(0) + self.table.setSortingEnabled(True) + request = ScanRequest(target=target, profile=profile, interface=self.selected_interface()) + self.worker = ScanWorker(request, self) + self.worker.progress.connect(self._progress) + self.worker.hosts_found.connect(self._merge_hosts) + self.worker.failed.connect(self._scan_failed) + self.worker.completed.connect(lambda: self._scan_finished(target, profile)) + self.scan_btn.setEnabled(False) + self.stop_btn.setEnabled(True) + self.activity_label.setText("Démarrage…") + self.worker.start() + + def stop_scan(self) -> None: + if self.worker and self.worker.isRunning(): + self.worker.stop() + self.activity_label.setText("Arrêt demandé…") + if self.host_worker and self.host_worker.isRunning(): + self.host_worker.stop() + + def _progress(self, message: str) -> None: + self.activity_label.setText(message) + self.statusBar().showMessage(message) + + def _merge_hosts(self, incoming: list[Host]) -> None: + for host in incoming: + existing = self.hosts.get(host.ip) + if existing: + existing.merge(host) + else: + self.hosts[host.ip] = host + self._refresh_table() + + def _refresh_table(self) -> None: + selected_ip = self._selected_ip() + self.table.setSortingEnabled(False) + self.table.setRowCount(0) + for host in sorted(self.hosts.values(), key=lambda h: ipaddress.ip_address(h.ip)): + row = self.table.rowCount() + self.table.insertRow(row) + status = QTableWidgetItem("●" if host.status == "up" else "○") + status.setTextAlignment(Qt.AlignCenter) + if host.status == "up": + status.setForeground(QColor("#2e7d32")) + self.table.setItem(row, COL_STATUS, status) + self.table.setItem(row, COL_HOSTNAME, QTableWidgetItem(host.hostname)) + ip_item = QTableWidgetItem(host.ip) + ip_item.setData(Qt.UserRole, host.ip) + self.table.setItem(row, COL_IP, ip_item) + self.table.setItem(row, COL_MAC, QTableWidgetItem(host.mac)) + self.table.setItem(row, COL_VENDOR, QTableWidgetItem(host.vendor)) + self.table.setItem(row, COL_PORTS, QTableWidgetItem(host.ports_summary)) + self.table.setItem(row, COL_OS, QTableWidgetItem(host.os_name)) + latency = "" if host.latency_ms is None else f"{host.latency_ms:.1f} ms" + self.table.setItem(row, COL_LATENCY, QTableWidgetItem(latency)) + self.table.setItem(row, COL_LAST, QTableWidgetItem(host.last_seen)) + if selected_ip == host.ip: + self.table.selectRow(row) + self.table.setSortingEnabled(True) + self.summary_label.setText(f"{len(self.hosts)} hôte(s) actif(s)") + + def _scan_failed(self, message: str) -> None: + QMessageBox.critical(self, "Erreur de scan", message) + self.activity_label.setText("Erreur") + + def _scan_finished(self, target: str, profile: str) -> None: + self.scan_btn.setEnabled(True) + self.stop_btn.setEnabled(False) + if self.worker and self.worker.isInterruptionRequested(): + self.activity_label.setText("Scan interrompu") + return + self.activity_label.setText("Scan terminé") + if self.hosts: + try: + self.store.save_scan(target, profile, list(self.hosts.values())) + except OSError as exc: + self.statusBar().showMessage(f"Historique non enregistré : {exc}", 5000) + + def _selected_ip(self) -> str | None: + row = self.table.currentRow() + if row < 0: + return None + item = self.table.item(row, COL_IP) + return item.text() if item else None + + def _selected_host(self) -> Host | None: + ip = self._selected_ip() + return self.hosts.get(ip) if ip else None + + def _context_menu(self, pos) -> None: + item = self.table.itemAt(pos) + if item is None: + return + self.table.selectRow(item.row()) + host = self._selected_host() + if not host: + return + menu = QMenu(self) + scan = menu.addAction("Scanner les ports (1000 principaux)") + menu.addSeparator() + http = menu.addAction("Ouvrir HTTP") + https = menu.addAction("Ouvrir HTTPS") + ssh = menu.addAction("Ouvrir SSH dans Konsole") + ping = menu.addAction("Ping dans Konsole") + smb = menu.addAction("Ouvrir SMB dans Dolphin") + rdp = menu.addAction("Ouvrir RDP avec Remmina") + rdp.setEnabled(shutil.which("remmina") is not None) + menu.addSeparator() + copy_ip = menu.addAction("Copier l'adresse IP") + copy_mac = menu.addAction("Copier l'adresse MAC") + copy_mac.setEnabled(bool(host.mac)) + + chosen = menu.exec(self.table.viewport().mapToGlobal(pos)) + if chosen == scan: + self.scan_selected_host() + elif chosen == http: + QDesktopServices.openUrl(QUrl(f"http://{host.ip}")) + elif chosen == https: + QDesktopServices.openUrl(QUrl(f"https://{host.ip}")) + elif chosen == ssh: + self._run_terminal(["ssh", host.ip]) + elif chosen == ping: + self._run_terminal(["ping", host.ip]) + elif chosen == smb: + QDesktopServices.openUrl(QUrl(f"smb://{host.ip}/")) + elif chosen == rdp: + subprocess.Popen(["remmina", "-c", f"rdp://{host.ip}"]) + elif chosen == copy_ip: + QApplication.clipboard().setText(host.ip) + elif chosen == copy_mac: + QApplication.clipboard().setText(host.mac) + + def _run_terminal(self, command: list[str]) -> None: + terminal = shutil.which("konsole") + if not terminal: + QMessageBox.warning(self, "Konsole absent", "Konsole n'est pas installé ou n'est pas dans le PATH.") + return + try: + subprocess.Popen([terminal, "-e", *command]) + except OSError as exc: + QMessageBox.critical(self, "Erreur", str(exc)) + + def scan_selected_host(self) -> None: + host = self._selected_host() + if not host: + return + if self.host_worker and self.host_worker.isRunning(): + QMessageBox.information(self, "Scan en cours", "Un scan détaillé est déjà en cours.") + return + self.host_worker = HostScanWorker(host.ip, self) + self.host_worker.progress.connect(self._progress) + self.host_worker.result.connect(self._host_scan_result) + self.host_worker.failed.connect(lambda m: QMessageBox.critical(self, "Erreur Nmap", m)) + self.host_worker.completed.connect(lambda: self.activity_label.setText("Scan détaillé terminé")) + self.host_worker.start() + + def _host_scan_result(self, result: Host) -> None: + if result.ip in self.hosts: + self.hosts[result.ip].merge(result) + else: + self.hosts[result.ip] = result + self._refresh_table() + + def export_csv_dialog(self) -> None: + if not self.hosts: + QMessageBox.information(self, "Export", "Aucun résultat à exporter.") + return + filename, _ = QFileDialog.getSaveFileName(self, "Exporter en CSV", "librenet-scan.csv", "CSV (*.csv)") + if filename: + export_csv(filename, list(self.hosts.values())) + self.statusBar().showMessage(f"Export CSV : {filename}", 5000) + + def export_json_dialog(self) -> None: + if not self.hosts: + QMessageBox.information(self, "Export", "Aucun résultat à exporter.") + return + filename, _ = QFileDialog.getSaveFileName(self, "Exporter en JSON", "librenet-scan.json", "JSON (*.json)") + if filename: + export_json(filename, list(self.hosts.values())) + self.statusBar().showMessage(f"Export JSON : {filename}", 5000) + + def show_history(self) -> None: + HistoryDialog(self.store, self).exec() + + def clear_results(self) -> None: + self.hosts.clear() + self.table.setRowCount(0) + self.summary_label.setText("0 hôte") + self.activity_label.setText("Prêt") + + def show_about(self) -> None: + QMessageBox.about( + self, + "À propos de LibreNet Scanner", + "LibreNet Scanner 0.1.0

" + "Scanner réseau graphique pour Linux, conçu pour Debian 13/KDE.
" + "Interface : Python + PySide6/Qt6.
" + "Moteurs externes : arp-scan et Nmap.

" + "Licence du code LibreNet Scanner : GPL-3.0-or-later.", + ) + + def closeEvent(self, event) -> None: + self.stop_scan() + super().closeEvent(event) diff --git a/tests/test_parsers.py b/tests/test_parsers.py new file mode 100644 index 0000000..a0ebe7f --- /dev/null +++ b/tests/test_parsers.py @@ -0,0 +1,52 @@ +import unittest + +from librenet_scanner.network import NetworkInterface, target_is_on_interface, validate_target +from librenet_scanner.parsers import parse_arp_scan, parse_nmap_xml + + +class ParserTests(unittest.TestCase): + def test_arp_scan_parser(self): + text = """Interface: eth0, type: EN10MB\n192.168.1.10\t00:11:22:33:44:55\tHewlett Packard\n192.168.1.20\taa:bb:cc:dd:ee:ff\t(Unknown)\n2 packets received\n""" + hosts = parse_arp_scan(text) + self.assertEqual(len(hosts), 2) + self.assertEqual(hosts[0].ip, "192.168.1.10") + self.assertEqual(hosts[0].mac, "00:11:22:33:44:55") + self.assertEqual(hosts[0].vendor, "Hewlett Packard") + self.assertEqual(hosts[1].vendor, "") + + def test_nmap_parser(self): + xml = """ + + + +
+
+ + + + + + +""" + hosts = parse_nmap_xml(xml) + self.assertEqual(len(hosts), 1) + host = hosts[0] + self.assertEqual(host.hostname, "pc-test.local") + self.assertEqual(host.vendor, "HP") + self.assertEqual(host.os_name, "Linux 6.x") + self.assertEqual(host.ports[0].port, 22) + self.assertEqual(host.ports[0].service, "ssh") + + def test_target_normalization(self): + self.assertEqual(validate_target("192.168.1.42/24"), "192.168.1.0/24") + self.assertEqual(validate_target("10.0.0.7"), "10.0.0.7") + + def test_interface_targeting(self): + iface = NetworkInterface("eth0", "192.168.1.10", 24, "192.168.1.0/24", False) + self.assertTrue(target_is_on_interface("192.168.1.0/24", iface)) + self.assertTrue(target_is_on_interface("192.168.1.128/25", iface)) + self.assertFalse(target_is_on_interface("192.168.0.0/16", iface)) + + +if __name__ == "__main__": + unittest.main()