feat(checker): add ldns checker

cve_bin_tool/checkers/__init__.py

@@ -120,6 +120,7 @@
     "kexectools",
     "kodi",
     "kubernetes",
+    "ldns",
     "lftp",
     "libarchive",
     "libass",

cve_bin_tool/checkers/ldns.py

@@ -0,0 +1,20 @@
+# Copyright (C) 2023 Orange
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+"""
+CVE checker for ldns
+
+https://www.cvedetails.com/product/17169/Nlnetlabs-Ldns.html?vendor_id=9613
+
+"""
+from __future__ import annotations
+
+from cve_bin_tool.checkers import Checker
+
+
+class LdnsChecker(Checker):
+    CONTAINS_PATTERNS: list[str] = []
+    FILENAME_PATTERNS: list[str] = []
+    VERSION_PATTERNS = [r"ldns[a-zA-Z0-9_*\)\r\n]*([0-9]+\.[0-9]+\.[0-9]+)"]
+    VENDOR_PRODUCT = [("nlnetlabs", "ldns")]

test/test_data/ldns.py

@@ -0,0 +1,30 @@
+# Copyright (C) 2023 Orange
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+mapping_test_data = [
+    {
+        "product": "ldns",
+        "version": "4.4.0",
+        "version_strings": ["ldns_buffer_write_at\n4.4.0"],
+    }
+]
+package_test_data = [
+    {
+        "url": "http://rpmfind.net/linux/fedora/linux/development/rawhide/Everything/aarch64/os/Packages/l/",
+        "package_name": "ldns-1.8.3-6.fc38.aarch64.rpm",
+        "product": "ldns",
+        "version": "1.8.3",
+    },
+    {
+        "url": "http://ftp.fr.debian.org/debian/pool/main/l/ldns/",
+        "package_name": "libldns2_1.7.0-4_amd64.deb",
+        "product": "ldns",
+        "version": "1.7.0",
+    },
+    {
+        "url": "https://downloads.openwrt.org/releases/packages-19.07/x86_64/packages/",
+        "package_name": "libldns_1.7.0-5_x86_64.ipk",
+        "product": "ldns",
+        "version": "1.7.0",
+    },
+]