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-rw-r--r--synapse/config/server.py49
1 files changed, 49 insertions, 0 deletions
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 8dce75c56a..1b8968608e 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Copyright 2014-2016 OpenMarket Ltd
 # Copyright 2017-2018 New Vector Ltd
+# Copyright 2019 The Matrix.org Foundation C.I.C.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,6 +18,8 @@
 import logging
 import os.path
 
+from netaddr import IPSet
+
 from synapse.http.endpoint import parse_and_validate_server_name
 from synapse.python_dependencies import DependencyException, check_requirements
 
@@ -137,6 +140,24 @@ class ServerConfig(Config):
             for domain in federation_domain_whitelist:
                 self.federation_domain_whitelist[domain] = True
 
+        self.federation_ip_range_blacklist = config.get(
+            "federation_ip_range_blacklist", [],
+        )
+
+        # Attempt to create an IPSet from the given ranges
+        try:
+            self.federation_ip_range_blacklist = IPSet(
+                self.federation_ip_range_blacklist
+            )
+
+            # Always blacklist 0.0.0.0, ::
+            self.federation_ip_range_blacklist.update(["0.0.0.0", "::"])
+        except Exception as e:
+            raise ConfigError(
+                "Invalid range(s) provided in "
+                "federation_ip_range_blacklist: %s" % e
+            )
+
         if self.public_baseurl is not None:
             if self.public_baseurl[-1] != '/':
                 self.public_baseurl += '/'
@@ -153,6 +174,10 @@ class ServerConfig(Config):
             "require_membership_for_aliases", True,
         )
 
+        # Whether to allow per-room membership profiles through the send of membership
+        # events with profile information that differ from the target's global profile.
+        self.allow_per_room_profiles = config.get("allow_per_room_profiles", True)
+
         self.listeners = []
         for listener in config.get("listeners", []):
             if not isinstance(listener.get("port", None), int):
@@ -386,6 +411,24 @@ class ServerConfig(Config):
         #  - nyc.example.com
         #  - syd.example.com
 
+        # Prevent federation requests from being sent to the following
+        # blacklist IP address CIDR ranges. If this option is not specified, or
+        # specified with an empty list, no ip range blacklist will be enforced.
+        #
+        # (0.0.0.0 and :: are always blacklisted, whether or not they are explicitly
+        # listed here, since they correspond to unroutable addresses.)
+        #
+        federation_ip_range_blacklist:
+          - '127.0.0.0/8'
+          - '10.0.0.0/8'
+          - '172.16.0.0/12'
+          - '192.168.0.0/16'
+          - '100.64.0.0/10'
+          - '169.254.0.0/16'
+          - '::1/128'
+          - 'fe80::/64'
+          - 'fc00::/7'
+
         # List of ports that Synapse should listen on, their purpose and their
         # configuration.
         #
@@ -528,6 +571,12 @@ class ServerConfig(Config):
         # Defaults to 'true'.
         #
         #require_membership_for_aliases: false
+
+        # Whether to allow per-room membership profiles through the send of membership
+        # events with profile information that differ from the target's global profile.
+        # Defaults to 'true'.
+        #
+        #allow_per_room_profiles: false
         """ % locals()
 
     def read_arguments(self, args):