Add the krb5/FreeIPA RADIUS companion daemon

This daemon listens for RADIUS packets on a well known
UNIX domain socket. When a packet is received, it queries
LDAP to see if the user is configured for RADIUS authentication.
If so, then the packet is forwarded to the 3rd party RADIUS server.
Otherwise, a bind is attempted against the LDAP server.

https://fedorahosted.org/freeipa/ticket/3366
http://freeipa.org/page/V3/OTP

1 files changed, 61 insertions, 0 deletions

diff --git a/daemons/ipa-otpd/test.py b/daemons/ipa-otpd/test.py
new file mode 100644
index 00000000..d748c825
--- /dev/null
+++ b/daemons/ipa-otpd/test.py
@@ -0,0 +1,61 @@
+#!/usr/bin/python
+#
+# FreeIPA 2FA companion daemon
+#
+# Authors: Nathaniel McCallum <npmccallum@redhat.com>
+#
+# Copyright (C) 2013  Nathaniel McCallum, Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import StringIO
+import struct
+import subprocess
+import sys
+
+try:
+    from pyrad import packet
+    from pyrad.dictionary import Dictionary
+except ImportError:
+    sys.stdout.write("pyrad not found!\n")
+    sys.exit(0)
+
+# We could use a dictionary file, but since we need
+# such few attributes, we'll just include them here
+DICTIONARY = """
+ATTRIBUTE	User-Name	1	string
+ATTRIBUTE	User-Password	2	string
+ATTRIBUTE	NAS-Identifier	32	string
+"""
+
+dct = Dictionary(StringIO.StringIO(DICTIONARY))
+
+proc = subprocess.Popen(["./ipa-otpd", sys.argv[1]],
+                        stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+
+pkt = packet.AuthPacket(secret="", dict=dct)
+pkt["User-Name"] = sys.argv[2]
+pkt["User-Password"] = pkt.PwCrypt(sys.argv[3])
+pkt["NAS-Identifier"] = "localhost"
+proc.stdin.write(pkt.RequestPacket())
+
+rsp = packet.Packet(secret="", dict=dict)
+buf = proc.stdout.read(4)
+buf += proc.stdout.read(struct.unpack("!BBH", buf)[2] - 4)
+rsp.DecodePacket(buf)
+pkt.VerifyReply(rsp)
+
+proc.terminate() #pylint: disable=E1101
+proc.wait()