VERSION="0.1.18"
-max_version = 1
+max_version = 2
from sys import version_info
if version_info.major == 2: # for python2
import io
open=lambda f,m='r': io.open(f,m,encoding='utf-8')
-max={'rsa_bits':8200,'name':33,'dh_bits':8200}
+max={'rsa_bits':8200,'name':33,'dh_bits':8200,'algname':127}
def debugrepr(*args):
if debug_level > 0:
global key_prefix
global debug_level
global output_version
+ global pubkeys_dir
+ global pubkeys_install
ap = argparse.ArgumentParser(description='process secnet sites files')
ap.add_argument('--userv', '-u', action='store_true',
ap.add_argument('--conf-key-prefix', action=ActionNoYes,
default=True,
help='prefix conf file key names derived from sites data')
+ ap.add_argument('--pubkeys-install', action='store_true',
+ help='install public keys in public key directory')
+ ap.add_argument('--pubkeys-dir', nargs=1,
+ help='public key directory',
+ default=['/var/lib/secnet/pubkeys'])
ap.add_argument('--output-version', nargs=1, type=int,
help='sites file output version',
default=[max_version])
prefix = '' if av.prefix is None else av.prefix[0]
key_prefix = av.conf_key_prefix
output_version = av.output_version[0]
+ pubkeys_dir = av.pubkeys_dir[0]
+ pubkeys_install = av.pubkeys_install
if service:
if len(av.arg)!=4:
print("Wrong number of arguments")
def __str__(self):
return '%d'%(self.n)
+class serial (basetype):
+ def __init__(self,w):
+ self.i=w[1].hexid(4,'serial')
+ def __str__(self):
+ return self.i
+ def forsites(self,version,copy,fs):
+ if version < 2: return []
+ return copy
+
class address (basetype):
"A DNS name and UDP port number"
def __init__(self,w):
def __str__(self):
return '"%s"; port %d'%(self.adr,self.port)
-class rsakey (basetype):
+class pubkey (basetype):
+ "Some kind of publie key"
+ def __init__(self,w):
+ self.a=w[1].name('algname')
+ self.d=w[2].base91();
+ def __str__(self):
+ return 'make-public("%s","%s")'%(self.a,self.d)
+ def forsites(self,version,xcopy,fs):
+ if version < 2: return []
+ return ['pub', self.a, self.d]
+ # forsites for properties which are from
+ # keywords with kw[2]=='pub' may not use copy.
+ # This is because the property values can be
+ # written out in sites file format during sites.conf
+ # construction (with --pubkeys-install), in which case
+ # the original input line is no longer available.
+
+class rsakey (pubkey):
"An RSA public key"
def __init__(self,w):
self.l=w[1].number(0,max['rsa_bits'],'rsa len')
self.e=w[2].bignum_10('rsa','rsa e')
self.n=w[3].bignum_10('rsa','rsa n')
if len(w) >= 5: w[4].email()
+ self.a='rsa1'
+ self.d=base91s_encode(b'%d %s %s' %
+ (self.l,
+ self.e.encode('ascii'),
+ self.n.encode('ascii')))
+ # ^ this allows us to use the pubkey.forsites()
+ # method for output in versions>=2
def __str__(self):
return 'rsa-public("%s","%s")'%(self.e,self.n)
+ # this specialisation means we can generate files
+ # compatible with old secnet executables
+ def forsites(self,version,xcopy,fs):
+ if version < 2:
+ return ['pubkey', str(self.l), self.e, self.n]
+ return pubkey.forsites(self,version,xcopy,fs)
+
+class rsakey_newfmt(rsakey):
+ "An old-style RSA public key in new-style sites format"
+ # This is its own class simply to have its own constructor.
+ def __init__(self,w):
+ self.a=w[1].name()
+ assert(self.a == 'rsa1')
+ self.d=w[2].base91()
+ try:
+ w_inner=list(map(Tainted,
+ ['X-PUB-RSA1'] +
+ base91s_decode(self.d)
+ .decode('ascii')
+ .split(' ')))
+ except UnicodeDecodeError:
+ complain('rsa1 key in new format has bad base91')
+ #print(repr(w_inner), file=sys.stderr)
+ rsakey.__init__(self,w_inner)
+def somepubkey(w):
+ if w[0]=='pubkey':
+ return rsakey(w)
+ elif w[0]=='pub' and w[1]=='rsa1':
+ return rsakey_newfmt(w)
+ elif w[0]=='pub':
+ return pubkey(w)
+ else:
+ assert(False)
# Possible properties of configuration nodes
keywords={
'renegotiate-time':(num,"Time after key setup to begin renegotiation (ms)"),
'restrict-nets':(networks,"Allowable networks"),
'networks':(networks,"Claimed networks"),
- 'pubkey':(listof(rsakey),"RSA public site key"),
+ 'pub':(listof(somepubkey),"new style public site key"),
+ 'pubkey':(listof(somepubkey),"RSA public site key",'pub'),
'peer':(single_ipaddr,"Tunnel peer IP address"),
'address':(address,"External contact address and port"),
'mobile':(boolean,"Site is mobile"),
'address':sp,
'networks':None,
'peer':None,
+ 'pub':None,
'pubkey':None,
'mobile':sp,
})
'networks':"Networks claimed by the site",
'hash':"hash function",
'peer':"Gateway address of the site",
- 'pubkey':"RSA public key of the site",
}
+ def mangle_name(self):
+ return self.name.replace('/',',')
+ def pubkeys_path(self):
+ return pubkeys_dir + '/peer.' + self.mangle_name()
def __init__(self,w):
level.__init__(self,w)
def output_data(self,w,path):
self.indent(w,ind+2)
w.write("name \"%s\";\n"%(np,))
self.indent(w,ind+2)
- w.write("key %s;\n"%str(self.properties["pubkey"].list[0]))
+ if pubkeys_install:
+ pa=self.pubkeys_path()
+ pw=open(pa+'~tmp','w')
+ fs=FilterState()
+ for k in self.properties["pub"].list:
+ debugrepr('pubkeys install', k)
+ wout=k.forsites(max_version,None,fs)
+ pw.write(' '.join(wout))
+ pw.write('\n')
+ pw.close()
+ os.rename(pa+'~tmp',pa+'~update')
+ w.write("peer-keys \"%s\";\n"%pa);
+ else:
+ use = None
+ indefault = True
+ for k in self.properties["pub"].list:
+ debugrepr('pub write', (use,indefault,k))
+ if isinstance(k,pubkey):
+ if indefault:
+ use = k
+ break
+ if use is None:
+ use = k
+ else:
+ raise RuntimeError('bad '+repr(k))
+ if use is None:
+ complain("site with no public key");
+ w.write("key %s;\n"%str(use))
self.output_props(w,ind+2)
self.indent(w,ind+2)
w.write("link netlink {\n");
~ianmdlvl / secnet.git / blobdiff