1 files changed, 47 insertions, 0 deletions
diff --git a/tools/generate-bacnet-vendors.py b/tools/generate-bacnet-vendors.py
new file mode 100755
index 0000000..14fc530
--- /dev/null
+++ b/tools/generate-bacnet-vendors.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+'''
+ Copyright 2023 Jaap Keuter <jaap.keuter@xs4all.nl>
+ based on work by Anish Bhatt <anish@chelsio.com>
+
+SPDX-License-Identifier: GPL-2.0-or-later
+'''
+
+import sys
+import urllib.request, urllib.error, urllib.parse
+from bs4 import BeautifulSoup
+
+req_headers = { 'User-Agent': 'Wireshark generate-bacnet-vendors' }
+try:
+    req = urllib.request.Request("https://bacnet.org/assigned-vendor-ids/", headers=req_headers)
+    response = urllib.request.urlopen(req)
+    lines = response.read().decode()
+    response.close()
+except urllib.error.HTTPError as err:
+    exit_msg("HTTP error fetching {0}: {1}".format(url, err.reason))
+except urllib.error.URLError as err:
+    exit_msg("URL error fetching {0}: {1}".format(url, err.reason))
+except OSError as err:
+    exit_msg("OS error fetching {0}".format(url, err.strerror))
+except Exception:
+    exit_msg("Unexpected error:", sys.exc_info()[0])
+
+soup = BeautifulSoup(lines, "html.parser")
+table = soup.find('table')
+rows = table.findAll('tr')
+
+entry = "static const value_string\nBACnetVendorIdentifiers [] = {"
+
+for tr in rows:
+    cols = tr.findAll('td')
+    for index,td in enumerate(cols[0:2]):
+        text = ''.join(td.find(string=True))
+        if index == 0:
+            entry = "    { %4s" % text
+        else:
+            entry += ", \"%s\" }," % text.rstrip()
+    print(entry)
+
+entry = "    { 0, NULL }\n};"
+print(entry)
+