feat(checkers): Add clang (#4754)

Author: qmfrederik

cve_bin_tool/checkers/__init__.py

@@ -56,6 +56,7 @@
     "chess",
     "chrony",
     "civetweb",
+    "clang",
     "clamav",
     "collectd",
     "commons_compress",

cve_bin_tool/checkers/clang.py

@@ -0,0 +1,20 @@
+# Copyright (C) 2025 Keysight Technologies
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+"""
+CVE checker for clang
+
+https://www.cvedetails.com/product/27514/Llvm-Clang.html?vendor_id=13260
+
+"""
+from __future__ import annotations
+
+from cve_bin_tool.checkers import Checker
+
+
+class ClangChecker(Checker):
+    CONTAINS_PATTERNS: list[str] = []
+    FILENAME_PATTERNS: list[str] = []
+    VERSION_PATTERNS = [r"Clang ([0-9]+\.[0-9]+\.[0-9]+)"]
+    VENDOR_PRODUCT = [("llvm", "clang")]

test/condensed-downloads/libclang1-19_19.1.1-1ubuntu1_amd64.deb.tar.gz

@@ -17,14 +17,14 @@
         "package_name": "clamav-0.105.1-1-omv4090.aarch64.rpm",
         "product": "clamav",
         "version": "0.105.1",
-        "other_products": ["rust"],
+        "other_products": ["rust", "clang"],
     },
     {
         "url": "http://rpmfind.net/linux/openmandriva/cooker/repository/x86_64/main/release/",
         "package_name": "clamav-0.105.1-1-omv4090.x86_64.rpm",
         "product": "clamav",
         "version": "0.105.1",
-        "other_products": ["rust"],
+        "other_products": ["rust", "clang"],
     },
     {
         "url": "http://ftp.debian.org/debian/pool/main/c/clamav/",

test/test_data/clamav.py

@@ -0,0 +1,18 @@
+# Copyright (C) 2025 Keysight Technologies
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+mapping_test_data = [
+    {
+        "product": "clang",
+        "version": "7.0.0",
+        "version_strings": ["Clang 7.0.0"],
+    }
+]
+package_test_data = [
+    {
+        "url": "http://de.archive.ubuntu.com/ubuntu/pool/universe/l/llvm-toolchain-19/",
+        "package_name": "libclang1-19_19.1.1-1ubuntu1_amd64.deb",
+        "product": "clang",
+        "version": "19.1.1",
+    },
+]

test/test_data/clang.py

@@ -12,5 +12,6 @@
         "product": ".net",
         "version": "7.0.11",
         "package_name": "dotnet-runtime-7.0-7.0.11-1.fc39.aarch64.rpm",
+        "other_products": ["clang"],
     },
 ]