save progress

src/pyrad3/client.py

@@ -3,7 +3,7 @@
 
 """Implementation of a simple but extensible RADIUS Client"""
 
-from typing import Optional, Union
+from typing import cast, Optional, Union
 from ipaddress import IPv4Address, IPv6Address
 
 import select
@@ -11,6 +11,7 @@ import socket
 import time
 
 import pyrad3.packet as P
+from pyrad3.dictionary import Dictionary
 from pyrad3 import host
 
 SUPPORTED_SEND_TYPES = [
@@ -41,7 +42,7 @@ class Client(host.Host):
         self,
         server: Union[str, IPv4Address, IPv6Address],
         secret: bytes,
-        radius_dictionary: dict,
+        radius_dictionary: Dictionary,
         interface: Optional[str],
         **kwargs,
     ):
@@ -124,7 +125,8 @@ class Client(host.Host):
                     pass
 
             # timed out: try the next attempt after increasing the acct delay time
-            if packet.code == packet.AccountingRequest:
+            if packet.code == P.Code.AccountingRequest:
+                packet = cast(P.AcctPacket, packet)
                 packet.increase_acct_delay_time(self.timeout)
                 raw_packet = packet.serialize()
 

src/pyrad3/dictionary.py

@@ -9,14 +9,14 @@ Classes and Types to parse and represent a RADIUS dictionary.
 from enum import IntEnum, Enum, auto
 from dataclasses import dataclass
 from os.path import dirname, isabs, join, normpath
-from typing import Dict, Generator, IO, List, Optional, Sequence, Tuple, Union
+from typing import cast, Dict, Generator, IO, List, Optional, Sequence, Tuple, Union
 
 import logging
 
 LOG = logging.getLogger(__name__)
 
 
-INTEGER_TYPES = {
+INTEGER_TYPES: Dict[str, Tuple[int, int]] = {
     "byte": (0, 255),
     "short": (0, 2 ** 16 - 1),
     "signed": (-(2 ** 31), 2 ** 31 - 1),
@@ -88,11 +88,11 @@ class Attribute:  # pylint: disable=too-many-instance-attributes
     name: str
     code: int
     datatype: Datatype
+    values: Dict[Union[int, str], Union[int, str]]
     has_tag: bool = False
     encrypt: Encrypt = Encrypt(0)
     is_sub_attr: bool = False
     # vendor = Dictionary
-    values: Dict[Union[int, str], Union[int, str]] = None
 
 
 @dataclass
@@ -180,7 +180,7 @@ class Dictionary:
     def __init__(self, dictionary: str, __dictio: Optional[IO] = None):
         self.vendor: Dict[int, Vendor] = {}
         self.vendor_lookup_id_by_name: Dict[str, int] = {}
-        self.attrindex: Dict[Union[int, str], Attribute] = {}
+        self.attrindex: Dict[Union[str, int, Tuple[int, ...]], Attribute] = {}
         self.rfc_vendor = Vendor("RFC", 0, 1, 1, False, {})
         self.cur_vendor = self.rfc_vendor
         if __dictio is not None:
@@ -193,7 +193,7 @@ class Dictionary:
         self, reader: Generator[Tuple[int, List[str]], None, None]
     ):
         """Read and parse a (Free)RADIUS dictionary."""
-        self.filestack = []
+        self.filestack: List[str] = []
         for line_num, tokens in reader:
             key = tokens[0]
             if key == "ATTRIBUTE":
@@ -387,9 +387,9 @@ class Dictionary:
             )
 
         has_tag, encrypt = self._parse_attribute_flags(tokens, line_num)
-        name, code, datatype = tokens[1:4]
+        name, attr_code, datatype = tokens[1:4]
 
-        if datatype == "concat" and self.cur_vendor != self.rfc_vendor:
+        if datatype in {"concat", "extended", "evs", "long-extended" } and self.cur_vendor != self.rfc_vendor:
             raise ParseError(
                 filename,
                 'vendor attributes are not allowed to have the datatype "concat"',
@@ -397,10 +397,10 @@ class Dictionary:
             )
 
         try:
-            codes = _parse_attribute_code(code)
+            codes = _parse_attribute_code(attr_code)
         except ValueError:
             raise ParseError(
-                filename, f'invalid attribute code {code}""', line_num
+                filename, f'invalid attribute code {attr_code}""', line_num
             )
 
         for code in codes:
@@ -434,17 +434,17 @@ class Dictionary:
             name,
             codes[-1],
             attribute_type,
+            {},
             has_tag,
             encrypt,
             len(codes) > 1,
-            {},
         )
 
-        attrcode = codes[0] if len(codes) == 1 else tuple(codes)
+        attrcode: Union[int, Tuple[int, ...]] = codes[0] if len(codes) == 1 else tuple(codes)
         self.cur_vendor.attrs[attrcode] = attribute
 
         if self.cur_vendor != self.rfc_vendor:
-            codes = tuple([26] + codes)
+            codes = [26] + codes
         attrcode = codes[0] if len(codes) == 1 else tuple(codes)
         self.attrindex[attrcode] = attribute
         self.attrindex[name] = attribute
@@ -459,8 +459,8 @@ class Dictionary:
                 line_num,
             )
 
-        (attr_name, key, value) = tokens[1:]
-        value = _parse_number(value)
+        (attr_name, key, vvalue) = tokens[1:]
+        value = _parse_number(vvalue)
 
         attribute = self.attrindex[attr_name]
         try:

src/pyrad3/packet.py

@@ -281,6 +281,12 @@ class AcctPacket(Packet):
             **attributes
         )
 
+    def increase_acct_delay_time(self, delay_time: float):
+        try:
+            self['Acct-Delay-Time'] += int(delay_time)
+        except KeyError:
+            pass
+
 
 class CoAPacket(Packet):
     def __init__(

src/pyrad3/tools.py

@@ -4,7 +4,7 @@
 """Collections of functions to en- and decode RADIUS Attributes"""
 
 from typing import Union
-from ipaddress import IPv4Address, IPv6Address, IPv6Network, ip_network, ip_address
+from ipaddress import IPv4Address, IPv4Network, IPv6Address, IPv6Network, ip_network, ip_address
 
 import struct
 
@@ -30,10 +30,16 @@ def encode_address(addr: Union[str, IPv4Address]) -> bytes:
     return IPv4Address(addr).packed
 
 
-def encode_ipv6_prefix(addr: Union[str, IPv6Network]) -> bytes:
+def encode_network(network: Union[str, IPv4Network]) -> bytes:
+    """Encode a RADIUS value of type ipv4prefix"""
+    address = IPv4Network(network)
+    return struct.pack("2B", 0, address.prefixlen) + address.network_address.packed
+
+
+def encode_ipv6_prefix(network: Union[str, IPv6Network]) -> bytes:
     """Encode a RADIUS value of type ipv6prefix"""
-    address = IPv6Network(addr)
-    return struct.pack("2B", *[0, address.prefixlen]) + address.network_address.packed
+    address = IPv6Network(network)
+    return struct.pack("2B", 0, address.prefixlen) + address.network_address.packed.rstrip(b'\0')
 
 
 def encode_ipv6_address(addr: Union[str, IPv6Address]) -> bytes:

src/pyrad3/utils.py

@@ -92,7 +92,7 @@ def parse_vendor_attributes(
     if len(vendor_value) < 4:
         raise PacketError
     vendor_id = int.from_bytes(vendor_value[:4], "big")
-    vendor_dict = rad_dict.vendor_by_id[vendor_id]
+    vendor_dict = rad_dict.vendor[vendor_id]
     vendor_name = vendor_dict.name
 
     attributes = []
@@ -122,7 +122,7 @@ def parse_vendor_attributes(
 def parse_key(rad_dict: Dictionary, key_id: int) -> Union[str, int]:
     """Parse the key in the Dictionary Context"""
     try:
-        return rad_dict.attrs[key_id].name
+        return rad_dict.attrindex[key_id].name
     except KeyError:
         return key_id