Add functional tests for flexible whitebind/list

Author: NicolasDorier

test/functional/p2p_permissions.py

@@ -0,0 +1,97 @@
+#!/usr/bin/env python3
+# Copyright (c) 2015-2018 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test p2p permission message.
+
+Test that permissions are correctly calculated and applied
+"""
+
+from test_framework.test_node import ErrorMatch
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (
+    assert_equal,
+    connect_nodes,
+    p2p_port,
+)
+
+class P2PPermissionsTests(BitcoinTestFramework):
+    def set_test_params(self):
+        self.num_nodes = 2
+        self.setup_clean_chain = True
+        self.extra_args = [[],[]]
+
+    def run_test(self):
+        self.checkpermission(
+        # relay permission added
+        ["-whitelist=127.0.0.1", "-whitelistrelay"],
+        ["relay", "noban", "mempool"],
+        True)
+
+        self.checkpermission(
+        # forcerelay and relay permission added
+        # Legacy parameter interaction which set whitelistrelay to true
+        # if whitelistforcerelay is true
+        ["-whitelist=127.0.0.1", "-whitelistforcerelay"],
+        ["forcerelay", "relay", "noban", "mempool"],
+        True)
+
+        # Let's make sure permissions are merged correctly
+        # For this, we need to use whitebind instead of bind
+        # by modifying the configuration file.
+        ip_port = "127.0.0.1:{}".format(p2p_port(1))
+        self.replaceinconfig(1, "bind=127.0.0.1", "whitebind=bloomfilter,forcerelay@" + ip_port)
+        self.checkpermission(
+        ["[email protected]" ],
+        # Check parameter interaction forcerelay should activate relay
+        ["noban", "bloomfilter", "forcerelay", "relay" ],
+        False)
+        self.replaceinconfig(1, "whitebind=bloomfilter,forcerelay@" + ip_port, "bind=127.0.0.1")
+
+        self.checkpermission(
+        # legacy whitelistrelay should be ignored
+        ["-whitelist=noban,[email protected]", "-whitelistrelay"],
+        ["noban", "mempool"],
+        False)
+
+        self.checkpermission(
+        # legacy whitelistforcerelay should be ignored
+        ["-whitelist=noban,[email protected]", "-whitelistforcerelay"],
+        ["noban", "mempool"],
+        False)
+
+        self.checkpermission(
+        # missing mempool permission to be considered legacy whitelisted
+        ["[email protected]"],
+        ["noban"],
+        False)
+
+        self.checkpermission(
+        # all permission added
+        ["[email protected]"],
+        ["forcerelay", "noban", "mempool", "bloomfilter", "relay"],
+        False)
+
+        self.stop_node(1)
+        self.nodes[1].assert_start_raises_init_error(["[email protected]"], "Invalid P2P permission", match=ErrorMatch.PARTIAL_REGEX)
+        self.nodes[1].assert_start_raises_init_error(["[email protected]:230"], "Invalid netmask specified in", match=ErrorMatch.PARTIAL_REGEX)
+        self.nodes[1].assert_start_raises_init_error(["[email protected]/10"], "Cannot resolve -whitebind address", match=ErrorMatch.PARTIAL_REGEX)
+
+    def checkpermission(self, args, expectedPermissions, whitelisted):
+        self.restart_node(1, args)
+        connect_nodes(self.nodes[0], 1)
+        peerinfo = self.nodes[1].getpeerinfo()[0]
+        assert_equal(peerinfo['whitelisted'], whitelisted)
+        assert_equal(len(expectedPermissions), len(peerinfo['permissions']))
+        for p in expectedPermissions:
+            if not p in peerinfo['permissions']:
+                raise AssertionError("Expected permissions %r is not granted." % p)
+
+    def replaceinconfig(self, nodeid, old, new):
+        with open(self.nodes[nodeid].bitcoinconf, encoding="utf8") as f:
+            newText=f.read().replace(old, new)
+        with open(self.nodes[nodeid].bitcoinconf, 'w', encoding="utf8") as f:
+            f.write(newText)
+
+if __name__ == '__main__':
+    P2PPermissionsTests().main()

test/functional/test_framework/test_node.py

@@ -68,6 +68,7 @@ def __init__(self, i, datadir, *, chain, rpchost, timewait, bitcoind, bitcoin_cl
 
         self.index = i
         self.datadir = datadir
+        self.bitcoinconf = os.path.join(self.datadir, "bitcoin.conf")
         self.stdout_dir = os.path.join(self.datadir, "stdout")
         self.stderr_dir = os.path.join(self.datadir, "stderr")
         self.chain = chain

test/functional/test_runner.py

@@ -200,6 +200,7 @@
     'rpc_scantxoutset.py',
     'feature_logging.py',
     'p2p_node_network_limited.py',
+    'p2p_permissions.py',
     'feature_blocksdir.py',
     'feature_config_args.py',
     'rpc_help.py',