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# $Id$
import rpki.resource_set, os
subdir = "resource-cert-samples"
openssl = "../../openssl/openssl-0.9.8e/apps/openssl"
keybits = 2048
def main():
"""
Main program, up front to make it easier to find with all the
OpenSSL config and Makefile template text.
"""
db = allocation_db()
db.add("ISP1", ipv4="192.0.2.1-192.0.2.33", asn="64533")
db.add("ISP2", ipv4="192.0.2.44-192.0.2.100")
db.add("ISP3", ipv6="2001:db8::44-2001:db8::100")
db.add("ISP4", ipv6="2001:db8::10:0:44/128", asn="64544")
db.add("ISP5a", ipv4="10.0.0.0/24", ipv6="2001:db8::a00:0/120")
db.add("ISP5b", ipv4="10.3.0.0/24", ipv6="2001:db8::a03:0/120")
db.add("ISP5c", asn="64534-64540")
db.add("LIR1", children=["ISP1", "ISP2"])
db.add("LIR2", children=["ISP3", "ISP4"])
db.add("LIR3", children=["ISP5a", "ISP5b", "ISP5c"])
db.add("RIR", children=["LIR1", "LIR2", "LIR3"])
if not os.path.isdir(subdir):
os.mkdir(subdir)
for i in db:
write_maybe("%s/%s.cnf" % (subdir, i.name), i.cfg_string())
write_maybe("%s/Makefile" % subdir,
"# Automatically generated, do not edit.\n" +
"".join([i.makefile_rules() for i in db]))
def write_maybe(name, new_content):
"""
Write a file if and only if its contents have changed.
"""
old_content = None
if os.path.isfile(name):
f = open(name, "r")
old_content = f.read()
f.close()
if old_content != new_content:
print "Writing", name
f = open(name, "w")
f.write(new_content)
f.close()
class allocation_db(list):
def __init__(self):
self.allocation_dict = {}
def add(self, name, **kw):
self.insert(0, allocation(name=name, allocation_dict=self.allocation_dict, **kw))
class allocation(object):
parent = None
def __init__(self, name, asn=None, ipv4=None, ipv6=None, children=[], allocation_dict=None):
self.name = name
self.children = [allocation_dict[i] for i in children]
for child in self.children:
assert child.parent is None
child.parent = self
self.asn = self.summarize("asn", rpki.resource_set.resource_set_as(asn))
self.ipv4 = self.summarize("ipv4", rpki.resource_set.resource_set_ipv4(ipv4))
self.ipv6 = self.summarize("ipv6", rpki.resource_set.resource_set_ipv6(ipv6))
allocation_dict[name] = self
def summarize(self, attrname, seed=None):
if seed is None:
seed = getattr(self, attrname)
for child in self.children:
seed = seed.union(child.summarize(attrname))
return seed
def __str__(self):
return "%s\n ASN: %s\n IPv4: %s\n IPv6: %s" % (self.name, self.asn, self.ipv4, self.ipv6)
def cfg_string(self):
keys = { "self" : self.name,
"keybits" : keybits,
"no_parent" : "#",
"no_asid" : "#",
"no_addr" : "#",
"parent" : "???",
"asid" : "???",
"addr" : "???" }
if self.parent:
keys["no_parent"] = ""
keys["parent"] = self.parent.name
if self.asn:
keys["no_asid"] = ""
keys["asid"] = ",".join(["AS:" + str(x) for x in self.asn])
if self.ipv4 or self.ipv6:
keys["no_addr"] = ""
keys["addr"] = ",".join(["IPv4:" + str(x) for x in self.ipv4] + ["IPv6:" + str(x) for x in self.ipv6])
return openssl_cfg_fmt % keys
def makefile_rules(self):
keys = { "self" : self.name,
"keybits" : keybits,
"openssl" : openssl }
if self.parent:
keys["signconf"] = "%s.cnf" % self.parent.name
keys["signdeps"] = "%s.key" % self.parent.name
else:
keys["signconf"] = "%s.cnf -selfsign" % self.name
keys["signdeps"] = "%s.key" % self.name
return makefile_fmt % keys
makefile_fmt = '''\
all:: %(self)s.cer
%(self)s.key:
%(openssl)s genrsa -out $@ %(keybits)d
%(self)s.req: %(self)s.key %(self)s.cnf Makefile
%(openssl)s req -new -config %(self)s.cnf -key %(self)s.key -out $@
%(self)s.cer: %(self)s.req %(self)s.cnf %(signdeps)s Makefile
@test -d %(self)s || mkdir %(self)s
@test -f %(self)s/index || touch %(self)s/index
@test -f %(self)s/serial || echo 01 >%(self)s/serial
%(openssl)s ca -batch -out $@ -in %(self)s.req -extfile %(self)s.cnf -config %(signconf)s
show_req::
%(openssl)s req -noout -text -in %(self)s.req -config /dev/null
show_cer::
%(openssl)s x509 -noout -text -in %(self)s.cer
'''
openssl_cfg_fmt = '''# Automatically generated, do not edit.
[ ca ]
default_ca = ca_default
[ ca_default ]
certificate = %(self)s.cer
serial = %(self)s/serial
private_key = %(self)s.key
database = %(self)s/index
new_certs_dir = %(self)s
name_opt = ca_default
cert_opt = ca_default
default_days = 365
default_crl_days = 30
default_md = sha256
preserve = no
copy_extensions = copy
policy = ca_policy_anything
unique_subject = no
x509_extensions = ca_x509_ext
crl_extensions = crl_x509_ext
[ ca_policy_anything ]
countryName = optional
stateOrProvinceName = optional
localityName = optional
organizationName = optional
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
givenName = optional
surname = optional
[ req ]
default_bits = %(keybits)d
encrypt_key = no
distinguished_name = req_dn
req_extensions = req_x509_ext
prompt = no
[ req_dn ]
CN = TEST ENTITY %(self)s
[ req_x509_ext ]
basicConstraints = critical,CA:true
subjectKeyIdentifier = hash
keyUsage = critical,keyCertSign,cRLSign
subjectInfoAccess = 1.3.6.1.5.5.7.48.5;URI:rsync://wombats-r-us.hactrn.net/%(self)s/
%(no_parent)sauthorityInfoAccess = caIssuers;URI:rsync://wombats-r-us.hactrn.net/%(parent)s.cer
%(no_asid)ssbgp-autonomousSysNum = critical,%(asid)s
%(no_addr)ssbgp-ipAddrBlock = critical,%(addr)s
[ ca_x509_ext ]
basicConstraints = critical,CA:true
%(no_parent)sauthorityKeyIdentifier = keyid:always
keyUsage = critical,keyCertSign,cRLSign
subjectInfoAccess = 1.3.6.1.5.5.7.48.5;URI:rsync://wombats-r-us.hactrn.net/%(self)s/
%(no_parent)sauthorityInfoAccess = caIssuers;URI:rsync://wombats-r-us.hactrn.net/%(parent)s.cer
%(no_asid)ssbgp-autonomousSysNum = critical,%(asid)s
%(no_addr)ssbgp-ipAddrBlock = critical,%(addr)s
[ crl_x509_ext ]
authorityKeyIdentifier = keyid:always
'''
main()
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