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#!/usr/bin/python2
"""
(C) 2016 Jack Lloyd
Botan is released under the Simplified BSD License (see license.txt)
"""
import sys
import datetime
import re
def format_map(m, for_oid = False):
s = ''
for k in sorted(m.keys()):
v = m[k]
if len(s) > 0:
s += ' '
if for_oid:
s += '{ "%s", OID("%s") },\n' % (k,v)
else:
s += '{ "%s", "%s" },\n' % (k,v)
s = s[:-2] # chomp last two chars
return s
def format_as_map(oid2str, str2oid):
return """/*
* OID maps
*
* This file was automatically generated by %s on %s
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/oids.h>
#include <unordered_map>
namespace Botan {
std::unordered_map<std::string, std::string> OIDS::load_oid2str_map()
{
return std::unordered_map<std::string,std::string>{
%s
};
}
std::unordered_map<std::string, OID> OIDS::load_str2oid_map()
{
return std::unordered_map<std::string,OID>{
%s
};
}
}
""" % (sys.argv[0], datetime.date.today().strftime("%Y-%m-%d"),
format_map(oid2str), format_map(str2oid, True))
def format_if(m, nm,t=False):
s = ''
for k in sorted(m.keys()):
v = m[k]
if t:
s += ' if(%s == "%s") return OID("%s");\n' % (nm,k, v)
else:
s += ' if(%s == "%s") return "%s";\n' % (nm,k, v)
s = s[:-1]
return s
def format_as_ifs(oid2str, str2oid):
return """/*
* OID maps
*
* This file was automatically generated by %s on %s
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/oids.h>
namespace Botan {
namespace OIDS {
std::string lookup(const OID& oid)
{
const std::string oid_str = oid.as_string();
%s
#if defined(BOTAN_HOUSE_ECC_CURVE_NAME)
if(oid_str == BOTAN_HOUSE_ECC_CURVE_OID) return BOTAN_HOUSE_ECC_CURVE_NAME;
#endif
return std::string();
}
OID lookup(const std::string& name)
{
%s
#if defined(BOTAN_HOUSE_ECC_CURVE_NAME)
if(name == BOTAN_HOUSE_ECC_CURVE_NAME) return OID(BOTAN_HOUSE_ECC_CURVE_OID);
#endif
return OID();
}
}
}
""" % (sys.argv[0], datetime.date.today().strftime("%Y-%m-%d"),
format_if(oid2str,"oid_str"), format_if(str2oid, "name", True))
def main(args = None):
if args is None:
args = sys.argv
oid_lines = open('src/build-data/oids.txt').readlines()
oid_re = re.compile("^([1-9][0-9.]+) = ([A-Za-z0-9_\./\(\), -]+)$")
hdr_re = re.compile("^\[([a-z0-9_]+)\]$")
oid2str = {}
str2oid = {}
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 oid in str2oid:
print "Duplicated OID", oid, name, oid2str[oid]
sys.exit() # hard error
else:
oid2str[oid] = nam
if nam in str2oid:
#print "Duplicated name", nam, oid, str2oid[nam]
#str2oid[nam] = oid
pass
else:
str2oid[nam] = oid
print format_as_ifs(oid2str, str2oid)
if __name__ == '__main__':
sys.exit(main())
|
