diff options
Diffstat (limited to 'ci')
| -rw-r--r-- | ci/vyos-linter.py | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/ci/vyos-linter.py b/ci/vyos-linter.py new file mode 100644 index 00000000..3bf65484 --- /dev/null +++ b/ci/vyos-linter.py @@ -0,0 +1,117 @@ +import os +import re +import ipaddress + +IPV4SEG = r'(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])' +IPV4ADDR = r'(?:(?:' + IPV4SEG + r'\.){3,3}' + IPV4SEG + r')' +IPV6SEG = r'(?:(?:[0-9a-fA-F]){1,4})' +IPV6GROUPS = ( + r'(?:' + IPV6SEG + r':){7,7}' + IPV6SEG, # 1:2:3:4:5:6:7:8 + r'(?:\s' + IPV6SEG + r':){1,7}:', # 1:: 1:2:3:4:5:6:7:: + r'(?:' + IPV6SEG + r':){1,6}:' + IPV6SEG, # 1::8 1:2:3:4:5:6::8 1:2:3:4:5:6::8 + r'(?:' + IPV6SEG + r':){1,5}(?::' + IPV6SEG + r'){1,2}', # 1::7:8 1:2:3:4:5::7:8 1:2:3:4:5::8 + r'(?:' + IPV6SEG + r':){1,4}(?::' + IPV6SEG + r'){1,3}', # 1::6:7:8 1:2:3:4::6:7:8 1:2:3:4::8 + r'(?:' + IPV6SEG + r':){1,3}(?::' + IPV6SEG + r'){1,4}', # 1::5:6:7:8 1:2:3::5:6:7:8 1:2:3::8 + r'(?:' + IPV6SEG + r':){1,2}(?::' + IPV6SEG + r'){1,5}', # 1::4:5:6:7:8 1:2::4:5:6:7:8 1:2::8 + IPV6SEG + r':(?:(?::' + IPV6SEG + r'){1,6})', # 1::3:4:5:6:7:8 1::3:4:5:6:7:8 1::8 + r':(?:(?::' + IPV6SEG + r'){1,7}|:)', # ::2:3:4:5:6:7:8 ::2:3:4:5:6:7:8 ::8 :: + r'fe80:(?::' + IPV6SEG + r'){0,4}%[0-9a-zA-Z]{1,}', # fe80::7:8%eth0 fe80::7:8%1 (link-local IPv6 addresses with zone index) + r'::(?:ffff(?::0{1,4}){0,1}:){0,1}[^\s:]' + IPV4ADDR, # ::255.255.255.255 ::ffff:255.255.255.255 ::ffff:0:255.255.255.255 (IPv4-mapped IPv6 addresses and IPv4-translated addresses) + r'(?:' + IPV6SEG + r':){1,4}:[^\s:]' + IPV4ADDR, # 2001:db8:3:4::192.0.2.33 64:ff9b::192.0.2.33 (IPv4-Embedded IPv6 Address) +) +IPV6ADDR = '|'.join(['(?:{})'.format(g) for g in IPV6GROUPS[::-1]]) # Reverse rows for greedy match + +MAC = r'([0-9A-F]{2}[:-]){5}([0-9A-F]{2})' + +NUMBER = r"([\s']\d+[\s'])" + + +def lint_mac(cnt, line): + mac = re.search(MAC, line, re.I) + if mac is not None: + mac = mac.group() + u_mac = re.search(r'((00)[:-](53)([:-][0-9A-F]{2}){4})', mac, re.I) + m_mac = re.search(r'((90)[:-](10)([:-][0-9A-F]{2}){4})', mac, re.I) + if u_mac is None and m_mac is None: + return f"MAC-Address Error Line {cnt}: {mac}" + + +def lint_ipv4(cnt, line): + ip = re.search(IPV4ADDR, line, re.I) + if ip is not None: + ip = ipaddress.ip_address(ip.group().strip(' ')) + # https://docs.python.org/3/library/ipaddress.html#ipaddress.IPv4Address.is_private + if ip.is_private is False and ip.is_multicast is False: + return f"IPv4 Error Line {cnt}: {ip}" + + +def lint_ipv6(cnt, line): + ip = re.search(IPV6ADDR, line, re.I) + if ip is not None: + ip = ipaddress.ip_address(ip.group().strip(' ')) + # https://docs.python.org/3/library/ipaddress.html#ipaddress.IPv4Address.is_private + if ip.is_private is False and ip.is_multicast is False: + return f"IPv6 Error Line {cnt}: {ip}" + + +def lint_AS(cnt, line): + number = re.search(NUMBER, line, re.I) + if number: + pass + # find a way to detect AS numbers + + +def lint_linelen(cnt, line): + if len(line) > 80: + return f"Line {cnt} too long: len={len(line)}" + + +def handle_file(path, file): + errors = [] + path = '/'.join(path) + filepath = f"{path}/{file}" + try: + with open(filepath) as fp: + line = fp.readline() + cnt = 1 + while line: + err_mac = lint_mac(cnt, line.strip()) + err_ip4 = lint_ipv4(cnt, line.strip()) + err_ip6 = lint_ipv6(cnt, line.strip()) + err_len = lint_linelen(cnt, line.strip()) + if err_mac: + errors.append(err_mac) + if err_ip4: + errors.append(err_ip4) + if err_ip6: + errors.append(err_ip6) + if err_len: + errors.append(err_len) + line = fp.readline() + cnt += 1 + finally: + fp.close() + + if len(errors) > 0: + print(f"File: {filepath}") + for error in errors: + print(error) + print('') + return False + + +def main(): + bool_error = True + # TODO: path and/or files via cli arg + for root, dirs, files in os.walk("../docs"): + path = root.split(os.sep) + for file in files: + if file[-4:] == ".rst": + if handle_file(path, file) is False: + bool_error = False + return bool_error + + +if __name__ == "__main__": + if main() is False: + exit(1) |