move radius client utility code to common radius_client.py so it can be shared

1 files changed, 131 insertions, 0 deletions

diff --git a/ipa-python/radius_client.py b/ipa-python/radius_client.py
index 44deb7464..d21273d8a 100644
--- a/ipa-python/radius_client.py
+++ b/ipa-python/radius_client.py
@@ -1,7 +1,138 @@
+# Authors: John Dennis <jdennis@redhat.com>
+#
+# Copyright (C) 2007  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; version 2 only
+#
+# 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+import getpass
+import re
+
 from ipa.entity import Entity
 
+__all__ = ['RadiusClient',
+           'get_secret',
+           'validate_ip_addr',
+           'validate_secret',
+           'validate_name',
+           'validate_nastype',
+           'validate_desc',
+           ]
+
+#------------------------------------------------------------------------------
+
+dotted_octet_RE = re.compile(r"^(\d+)\.(\d+)\.(\d+)\.(\d+)(/(\d+))?$")
+dns_RE = re.compile(r"^[a-zA-Z][a-zA-Z.-]+$")
+# secret, name, nastype all have 31 char max in freeRADIUS, max ip address len is 255
+valid_secret_len = (1,31)
+valid_name_len = (1,31)
+valid_nastype_len = (1,31)
+valid_ip_addr_len = (1,255)
+
+valid_ip_addr_msg = "IP address must be either a DNS name or a dotted octet with optional mask"
+valid_desc_msg = "Description must text string"
+
+#------------------------------------------------------------------------------
+
 class RadiusClient(Entity):
 
     def __init2__(self):
         pass
         
+
+#------------------------------------------------------------------------------
+
+def get_secret():
+    valid = False
+    while (not valid):
+        secret = getpass.getpass("Enter Secret: ")
+        confirm = getpass.getpass("Confirm Secret: ")
+        if (secret != confirm):
+            print "Secrets do not match"
+            continue
+        valid = True
+    return secret
+
+#------------------------------------------------------------------------------
+
+def valid_ip_addr(text):
+
+    # is it a dotted octet? If so there should be 4 integers seperated
+    # by a dot and each integer should be between 0 and 255
+    # there may be an optional mask preceded by a slash (e.g. 1.2.3.4/24)
+    match = dotted_octet_RE.search(text)
+    if match:
+        # dotted octet notation
+        i = 1
+        while i <= 4:
+            octet = int(match.group(i))
+            if octet > 255: return False
+            i += 1
+        if match.group(5):
+            mask = int(match.group(6))
+            if mask <= 32:
+                return True
+            else:
+                return False
+        return True
+    else:
+        # DNS name, can contain letters, dot and hypen
+        if dns_RE.search(text): return True
+    return False
+
+def validate_length(value, limits):
+    length = len(value)
+    if length < limits[0] or length > limits[1]:
+        return False
+    return True
+
+def valid_length_msg(name, limits):
+    return "%s length must be at least %d and not more than %d" % (name, limits[0], limits[1])
+
+#------------------------------------------------------------------------------
+
+def validate_ip_addr(ip_addr):
+    if not validate_length(ip_addr, valid_ip_addr_len):
+        print valid_length_msg('ip address', valid_ip_addr_len)
+        return False
+    if not valid_ip_addr(ip_addr):
+        print valid_ip_addr_msg
+        return False
+    return True
+
+def validate_secret(secret):
+    if not validate_length(secret, valid_secret_len):
+        print valid_length_msg('secret', valid_secret_len)
+        return False
+    return True
+
+def validate_name(name):
+    if not validate_length(name, valid_name_len):
+        print valid_length_msg('name', valid_name_len)
+        return False
+    return True
+
+def validate_nastype(nastype):
+    if not validate_length(nastype, valid_nastype_len):
+        print valid_length_msg('NAS Type', valid_nastype_len)
+        return False
+    return True
+
+def validate_desc(desc):
+    if ipavalidate.plain(desc, notEmpty=True) != 0:
+        print valid_desc_msg
+        return False
+    return True
+