sys.path.insert(1,"/usr/share/secnet")
import ipaddrset
+from argparseactionnoyes import ActionNoYes
+
VERSION="0.1.18"
from sys import version_info
max={'rsa_bits':8200,'name':33,'dh_bits':8200}
class Tainted:
- def __init__(self,s):
+ def __init__(self,s,tline=None,tfile=None):
self._s=s
self._ok=None
- self._line=line
- self._file=file
+ self._line=line if tline is None else tline
+ self._file=file if tfile is None else tfile
def __eq__(self,e):
return self._s==e
def __ne__(self,e):
assert(self._ok is not True)
self._ok=False
complain('bad parameter: %s: %s' % (what, why))
- return self
+ return False
def _max_ok(self,what,maxlen):
if len(self._s) > maxlen:
- self._bad(what,'too long (max %d)' % maxlen)
- return self
+ return self._bad(what,'too long (max %d)' % maxlen)
+ return True
def _re_ok(self,bad,what,maxlen=None):
if maxlen is None: maxlen=max[what]
self._max_ok(what,maxlen)
- if self._ok is False: return self
+ if self._ok is False: return False
if bad.search(self._s): return self._bad(what,'bad syntax')
- return self
+ return True
def _rtnval(self, is_ok, ifgood, ifbad=''):
if is_ok:
# caller promises to throw if syntax was dangeorus
return self._rtn(True)
+ def output(self):
+ if self._ok is False: return ''
+ if self._ok is True: return self._s
+ print('%s:%d: unchecked/unknown additional data "%s"' %
+ (self._file,self._line,self._s),
+ file=sys.stderr)
+ sys.exit(1)
+
bad_name=re.compile(r'^[^a-zA-Z]|[^-_0-9a-zA-Z]')
# secnet accepts _ at start of names, but we reserve that
bad_name_counter=0
global group
global user
global of
+ global prefix
+ global key_prefix
ap = argparse.ArgumentParser(description='process secnet sites files')
ap.add_argument('--userv', '-u', action='store_true',
help='userv service fragment update mode')
+ ap.add_argument('--conf-key-prefix', action=ActionNoYes,
+ default=True,
+ help='prefix conf file key names derived from sites data')
ap.add_argument('--prefix', '-P', nargs=1,
help='set prefix')
ap.add_argument('arg',nargs=argparse.REMAINDER)
av = ap.parse_args()
#print(repr(av), file=sys.stderr)
service = 1 if av.userv else 0
+ prefix = '' if av.prefix is None else av.prefix[0]
+ key_prefix = av.conf_key_prefix
if service:
if len(av.arg)!=4:
print("Wrong number of arguments")
sys.exit(1)
(header, groupfiledir, sitesfile, group) = av.arg
+ group = Tainted(group,0,'command line')
+ # untrusted argument from caller
if "USERV_USER" not in os.environ:
print("Environment variable USERV_USER not found")
sys.exit(1)
sys.exit(1)
(inputfile, outputfile) = (av.arg + [None]*2)[0:2]
if outputfile is None: of=sys.stdout
- else: of=open(sys.argv[2],'w')
+ else: of=open(outputfile,'w')
parse_args()
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()
def __str__(self):
return 'rsa-public("%s","%s")'%(self.e,self.n)
def prop_out(self,n):
return self.allow_properties[n](n,str(self.properties[n]))
def output_props(self,w,ind):
- for i in self.properties.keys():
+ for i in sorted(self.properties.keys()):
if self.allow_properties[i]:
self.indent(w,ind)
w.write("%s"%self.prop_out(i))
- def output_data(self,w,ind,np):
+ def kname(self):
+ return ((self.type[0].upper() if key_prefix else '')
+ + self.name)
+ def output_data(self,w,path):
+ ind = 2*len(path)
self.indent(w,ind)
- w.write("%s {\n"%(self.name))
+ w.write("%s {\n"%(self.kname()))
self.output_props(w,ind+2)
if self.depth==1: w.write("\n");
- for c in self.children.values():
- c.output_data(w,ind+2,np+self.name+"/")
+ for k in sorted(self.children.keys()):
+ c=self.children[k]
+ c.output_data(w,path+(c,))
self.indent(w,ind)
w.write("};\n")
}
def __init__(self,w):
level.__init__(self,w)
- def output_vpnflat(self,w,ind,h):
+ def output_vpnflat(self,w,path):
"Output flattened list of site names for this VPN"
+ ind=2*(len(path)+1)
self.indent(w,ind)
- w.write("%s {\n"%(self.name))
+ w.write("%s {\n"%(self.kname()))
for i in self.children.keys():
- self.children[i].output_vpnflat(w,ind+2,
- h+"/"+self.name+"/"+i)
+ self.children[i].output_vpnflat(w,path+(self,))
w.write("\n")
self.indent(w,ind+2)
w.write("all-sites %s;\n"%
- ','.join(self.children.keys()))
+ ','.join(map(lambda i: i.kname(),
+ self.children.values())))
self.indent(w,ind)
w.write("};\n")
def __init__(self,w):
level.__init__(self,w)
self.group=w[2].groupname()
- def output_vpnflat(self,w,ind,h):
+ def output_vpnflat(self,w,path):
+ ind=2*(len(path)+1)
self.indent(w,ind)
- # The "h=h,self=self" abomination below exists because
+ # The "path=path,self=self" abomination below exists because
# Python didn't support nested_scopes until version 2.1
- w.write("%s %s;\n"%(self.name,','.join(
- map(lambda x,h=h,self=self:
- h+"/"+x,self.children.keys()))))
+ #
+ #"/"+self.name+"/"+i
+ w.write("%s %s;\n"%(self.kname(),','.join(
+ map(lambda x,path=path,self=self:
+ '/'.join([prefix+"vpn-data"] + list(map(
+ lambda i: i.kname(),
+ path+(self,x)))),
+ self.children.values()))))
class sitelevel(level):
"Site level (i.e. a leafnode) in the configuration hierarchy"
}
def __init__(self,w):
level.__init__(self,w)
- def output_data(self,w,ind,np):
+ def output_data(self,w,path):
+ ind=2*len(path)
+ np='/'.join(map(lambda i: i.name, path))
self.indent(w,ind)
- w.write("%s {\n"%(self.name))
+ w.write("%s {\n"%(self.kname()))
self.indent(w,ind+2)
- w.write("name \"%s\";\n"%(np+self.name))
+ w.write("name \"%s\";\n"%(np,))
self.output_props(w,ind+2)
self.indent(w,ind+2)
w.write("link netlink {\n");
# (depth,properties)
levels={'vpn':vpnlevel, 'location':locationlevel, 'site':sitelevel}
-# Reserved vpn/location/site names
-reserved={'all-sites':None}
-reserved.update(keywords)
-reserved.update(levels)
-
def complain(msg):
"Complain about a particular input line"
global complaints
# All vpns are children of this node
obstack=[root]
allow_defs=0 # Level above which new definitions are permitted
-prefix=''
def set_property(obj,w):
"Set a property on a configuration node"
else:
obj.properties[prop.raw()]=keywords[prop.raw_mark_ok()][0](w)
-def pline(i,allow_include=False):
+
+def pline(il,allow_include=False):
"Process a configuration file line"
global allow_defs, obstack, root
- w=i.rstrip('\n').split()
- if len(w)==0: return [i]
+ w=il.rstrip('\n').split()
+ if len(w)==0: return ['']
w=list([Tainted(x) for x in w])
keyword=w[0]
current=obstack[len(obstack)-1]
+ copyout=lambda: [' '*len(obstack) +
+ ' '.join([ww.output() for ww in w]) +
+ '\n']
if keyword=='end-definitions':
keyword.raw_mark_ok()
allow_defs=sitelevel.depth
obstack=[root]
- return [i]
+ return copyout()
if keyword=='include':
if not allow_include:
complain("include not permitted here")
if service and group and current.depth==2:
if group!=current.group:
complain("Incorrect group!")
+ w[2].groupname()
else:
# New
# Ignore depth check for now
current.children[tname]=nl
current=nl
obstack.append(current)
- return [i]
+ return copyout()
if keyword.raw() not in current.allow_properties:
complain("Property %s not allowed at %s level"%
(keyword.raw(),current.type))
return []
else:
set_property(current,w)
- return [i]
+ return copyout()
complain("unknown keyword '%s'"%(keyword.raw()))
# Raw VPN data section of file
w.write(prefix+"vpn-data {\n")
for i in root.children.values():
- i.output_data(w,2,"")
+ i.output_data(w,(i,))
w.write("};\n")
# Per-VPN flattened lists
w.write(prefix+"vpn {\n")
for i in root.children.values():
- i.output_vpnflat(w,2,prefix+"vpn-data")
+ i.output_vpnflat(w,())
w.write("};\n")
# Flattened list of sites
w.write(prefix+"all-sites %s;\n"%",".join(
- map(lambda x:"%svpn/%s/all-sites"%(prefix,x),
- root.children.keys())))
+ map(lambda x:"%svpn/%s/all-sites"%(prefix,x.kname()),
+ root.children.values())))
line=0
file=None
if service:
# Put the user's input into their group file, and rebuild the main
# sites file
- f=open(groupfiledir+"/T"+group,'w')
+ f=open(groupfiledir+"/T"+group.groupname(),'w')
f.write("# Section submitted by user %s, %s\n"%
(user,time.asctime(time.localtime(time.time()))))
f.write("# Checked by make-secnet-sites version %s\n\n"%VERSION)
for i in userinput: f.write(i)
f.write("\n")
f.close()
- os.rename(groupfiledir+"/T"+group,groupfiledir+"/R"+group)
+ os.rename(groupfiledir+"/T"+group.groupname(),
+ groupfiledir+"/R"+group.groupname())
f=open(sitesfile+"-tmp",'w')
f.write("# sites file autogenerated by make-secnet-sites\n")
f.write("# generated %s, invoked by %s\n"%