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#!/usr/bin/env python3
"""
(C) 2016,2025 Jack Lloyd
(C) 2017 Fabian Weissberg, Rohde & Schwarz Cybersecurity
Botan is released under the Simplified BSD License (see license.txt)
"""
import sys
import datetime
import re
from collections import defaultdict
def format_oid(oid):
return "{" + oid.replace('.', ', ') + '}'
def format_str2oid(m):
s = ''
for k in sorted(m.keys()):
v = m[k]
if len(s) > 0:
s += ' '
s += '{"%s", %s},\n' % (k,format_oid(v))
s = s[:-2] # chomp last two chars
return s
def format_dup_oids(m):
s = ''
for kv in m:
if len(s) > 0:
s += ' '
s += '{"%s", %s},\n' % (kv[0],format_oid(kv[1]))
s = s[:-2] # chomp last two chars
return s
def main(args = None):
"""
Regenerate src/lib/asn1/oid_maps.cpp
"""
if args is None:
args = sys.argv
oid_lines = open('./src/build-data/oids.txt').readlines()
oid_re = re.compile(r"^([0-9][0-9.]+) += +([A-Za-z0-9_\./\(\), -]+)$")
hdr_re = re.compile(r"^\[([a-z0-9_]+)\]$")
oid2str = {}
str2oid = {}
dup_oids = []
aliases = []
cur_hdr = None
for line in oid_lines:
line = line.strip()
if len(line) == 0:
continue
if line[0] == '#':
continue
match = hdr_re.match(line)
if match is not None:
cur_hdr = match.group(1)
continue
match = oid_re.match(line)
if match is None:
raise Exception(line)
oid = match.group(1)
nam = match.group(2)
if nam not in str2oid and oid not in oid2str:
str2oid[nam] = oid
oid2str[oid] = nam
elif nam in str2oid:
dup_oids.append((nam, oid))
elif oid in oid2str:
aliases.append((nam, oid))
template = open('src/build-data/oid_maps.cpp.in').read()
new_oid = template % (
sys.argv[0],
datetime.date.today().strftime("%Y-%m-%d"),
format_str2oid(str2oid),
format_dup_oids(dup_oids),
format_dup_oids(aliases))
file = open('src/lib/asn1/oid_maps.cpp', 'w')
file.write(new_oid)
file.close()
return 0
if __name__ == '__main__':
sys.exit(main())