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on startup, write config options to debug.log

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This commit is contained in:
Larry Ruane 2020-01-20 08:32:42 -07:00
parent aabec94541
commit b951b0973c
6 changed files with 113 additions and 6 deletions
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13
src/init.cpp
View file

@ -436,7 +436,7 @@ void SetupServerArgs()
gArgs.AddArg("-timeout=<n>", strprintf("Specify connection timeout in milliseconds (minimum: 1, default: %d)", DEFAULT_CONNECT_TIMEOUT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
gArgs.AddArg("-peertimeout=<n>", strprintf("Specify p2p connection timeout in seconds. This option determines the amount of time a peer may be inactive before the connection to it is dropped. (minimum: 1, default: %d)", DEFAULT_PEER_CONNECT_TIMEOUT), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::CONNECTION);
gArgs.AddArg("-torcontrol=<ip>:<port>", strprintf("Tor control port to use if onion listening enabled (default: %s)", DEFAULT_TOR_CONTROL), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
gArgs.AddArg("-torpassword=<pass>", "Tor control port password (default: empty)", ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
gArgs.AddArg("-torpassword=<pass>", "Tor control port password (default: empty)", ArgsManager::ALLOW_ANY | ArgsManager::SENSITIVE, OptionsCategory::CONNECTION);
gArgs.AddArg("-asmap=<file>", "Specify asn mapping used for bucketing of the peers. Path should be relative to the -datadir path.", ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
#ifdef USE_UPNP
#if USE_UPNP
@ -537,15 +537,15 @@ void SetupServerArgs()
gArgs.AddArg("-rest", strprintf("Accept public REST requests (default: %u)", DEFAULT_REST_ENABLE), ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcallowip=<ip>", "Allow JSON-RPC connections from specified source. Valid for <ip> are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This option can be specified multiple times", ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcauth=<userpw>", "Username and HMAC-SHA-256 hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcauth. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times", ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcbind=<addr>[:port]", "Bind to given address to listen for JSON-RPC connections. Do not expose the RPC server to untrusted networks such as the public internet! This option is ignored unless -rpcallowip is also passed. Port is optional and overrides -rpcport. Use [host]:port notation for IPv6. This option can be specified multiple times (default: 127.0.0.1 and ::1 i.e., localhost)", ArgsManager::ALLOW_ANY | ArgsManager::NETWORK_ONLY, OptionsCategory::RPC);
gArgs.AddArg("-rpcauth=<userpw>", "Username and HMAC-SHA-256 hashed password for JSON-RPC connections. The field <userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A canonical python script is included in share/rpcauth. The client then connects normally using the rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This option can be specified multiple times", ArgsManager::ALLOW_ANY | ArgsManager::SENSITIVE, OptionsCategory::RPC);
gArgs.AddArg("-rpcbind=<addr>[:port]", "Bind to given address to listen for JSON-RPC connections. Do not expose the RPC server to untrusted networks such as the public internet! This option is ignored unless -rpcallowip is also passed. Port is optional and overrides -rpcport. Use [host]:port notation for IPv6. This option can be specified multiple times (default: 127.0.0.1 and ::1 i.e., localhost)", ArgsManager::ALLOW_ANY | ArgsManager::NETWORK_ONLY | ArgsManager::SENSITIVE, OptionsCategory::RPC);
gArgs.AddArg("-rpccookiefile=<loc>", "Location of the auth cookie. Relative paths will be prefixed by a net-specific datadir location. (default: data dir)", ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcpassword=<pw>", "Password for JSON-RPC connections", ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcpassword=<pw>", "Password for JSON-RPC connections", ArgsManager::ALLOW_ANY | ArgsManager::SENSITIVE, OptionsCategory::RPC);
gArgs.AddArg("-rpcport=<port>", strprintf("Listen for JSON-RPC connections on <port> (default: %u, testnet: %u, regtest: %u)", defaultBaseParams->RPCPort(), testnetBaseParams->RPCPort(), regtestBaseParams->RPCPort()), ArgsManager::ALLOW_ANY | ArgsManager::NETWORK_ONLY, OptionsCategory::RPC);
gArgs.AddArg("-rpcserialversion", strprintf("Sets the serialization of raw transaction or block hex returned in non-verbose mode, non-segwit(0) or segwit(1) (default: %d)", DEFAULT_RPC_SERIALIZE_VERSION), ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::RPC);
gArgs.AddArg("-rpcthreads=<n>", strprintf("Set the number of threads to service RPC calls (default: %d)", DEFAULT_HTTP_THREADS), ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcuser=<user>", "Username for JSON-RPC connections", ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcuser=<user>", "Username for JSON-RPC connections", ArgsManager::ALLOW_ANY | ArgsManager::SENSITIVE, OptionsCategory::RPC);
gArgs.AddArg("-rpcwhitelist=<whitelist>", "Set a whitelist to filter incoming RPC calls for a specific user. The field <whitelist> comes in the format: <USERNAME>:<rpc 1>,<rpc 2>,...,<rpc n>. If multiple whitelists are set for a given user, they are set-intersected. See -rpcwhitelistdefault documentation for information on default whitelist behavior.", ArgsManager::ALLOW_ANY, OptionsCategory::RPC);
gArgs.AddArg("-rpcwhitelistdefault", "Sets default behavior for rpc whitelisting. Unless rpcwhitelistdefault is set to 0, if any -rpcwhitelist is set, the rpc server acts as if all rpc users are subject to empty-unless-otherwise-specified whitelists. If rpcwhitelistdefault is set to 1 and no -rpcwhitelist is set, rpc server acts as if all rpc users are subject to empty whitelists.", ArgsManager::ALLOW_BOOL, OptionsCategory::RPC);
gArgs.AddArg("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::RPC);
@ -1230,6 +1230,9 @@ bool AppInitMain(NodeContext& node)
LogPrintf("Config file: %s (not found, skipping)\n", config_file_path.string());
}
// Log the config arguments to debug.log
gArgs.LogArgs();
LogPrintf("Using at most %i automatic connections (%i file descriptors available)\n", nMaxConnections, nFD);
// Warn about relative -datadir path.

28
src/test/getarg_tests.cpp
View file

@ -183,4 +183,32 @@ BOOST_AUTO_TEST_CASE(boolargno)
BOOST_CHECK(gArgs.GetBoolArg("-foo", false));
}
BOOST_AUTO_TEST_CASE(logargs)
{
const auto okaylog_bool = std::make_pair("-okaylog-bool", ArgsManager::ALLOW_BOOL);
const auto okaylog_negbool = std::make_pair("-okaylog-negbool", ArgsManager::ALLOW_BOOL);
const auto okaylog = std::make_pair("-okaylog", ArgsManager::ALLOW_ANY);
const auto dontlog = std::make_pair("-dontlog", ArgsManager::ALLOW_ANY | ArgsManager::SENSITIVE);
SetupArgs({okaylog_bool, okaylog_negbool, okaylog, dontlog});
ResetArgs("-okaylog-bool -nookaylog-negbool -okaylog=public -dontlog=private");
// Everything logged to debug.log will also append to str
std::string str;
auto print_connection = LogInstance().PushBackCallback(
[&str](const std::string& s) {
str += s;
});
// Log the arguments
gArgs.LogArgs();
LogInstance().DeleteCallback(print_connection);
// Check that what should appear does, and what shouldn't doesn't.
BOOST_CHECK(str.find("Command-line arg: okaylog-bool=\"\"") != std::string::npos);
BOOST_CHECK(str.find("Command-line arg: okaylog-negbool=false") != std::string::npos);
BOOST_CHECK(str.find("Command-line arg: okaylog=\"public\"") != std::string::npos);
BOOST_CHECK(str.find("dontlog=****") != std::string::npos);
BOOST_CHECK(str.find("private") == std::string::npos);
}
BOOST_AUTO_TEST_SUITE_END()

26
src/util/system.cpp
View file

@ -864,6 +864,32 @@ std::vector<util::SettingsValue> ArgsManager::GetSettingsList(const std::string&
return util::GetSettingsList(m_settings, m_network, SettingName(arg), !UseDefaultSection(arg));
}
void ArgsManager::logArgsPrefix(
const std::string& prefix,
const std::string& section,
const std::map<std::string, std::vector<util::SettingsValue>>& args) const
{
std::string section_str = section.empty() ? "" : "[" + section + "] ";
for (const auto& arg : args) {
for (const auto& value : arg.second) {
Optional<unsigned int> flags = GetArgFlags('-' + arg.first);
if (flags) {
std::string value_str = (*flags & SENSITIVE) ? "****" : value.write();
LogPrintf("%s %s%s=%s\n", prefix, section_str, arg.first, value_str);
}
}
}
}
void ArgsManager::LogArgs() const
{
LOCK(cs_args);
for (const auto& section : m_settings.ro_config) {
logArgsPrefix("Config file arg:", section.first, section.second);
}
logArgsPrefix("Command-line arg:", "", m_settings.command_line_options);
}
bool RenameOver(fs::path src, fs::path dest)
{
#ifdef WIN32

15
src/util/system.h
View file

@ -145,6 +145,8 @@ public:
* between mainnet and regtest/testnet won't cause problems due to these
* parameters by accident. */
NETWORK_ONLY = 0x200,
// This argument's value is sensitive (such as a password).
SENSITIVE = 0x400,
};
protected:
@ -318,6 +320,19 @@ public:
* Return nullopt for unknown arg.
*/
Optional<unsigned int> GetArgFlags(const std::string& name) const;
/**
* Log the config file options and the command line arguments,
* useful for troubleshooting.
*/
void LogArgs() const;
private:
// Helper function for LogArgs().
void logArgsPrefix(
const std::string& prefix,
const std::string& section,
const std::map<std::string, std::vector<util::SettingsValue>>& args) const;
};
extern ArgsManager gArgs;

30
test/functional/feature_config_args.py
View file

@ -83,10 +83,40 @@ class ConfArgsTest(BitcoinTestFramework):
self.start_node(0, extra_args=['-noconnect=0'])
self.stop_node(0)
def test_args_log(self):
self.log.info('Test config args logging')
with self.nodes[0].assert_debug_log(
expected_msgs=[
'Command-line arg: addnode="some.node"',
'Command-line arg: rpcauth=****',
'Command-line arg: rpcbind=****',
'Command-line arg: rpcpassword=****',
'Command-line arg: rpcuser=****',
'Command-line arg: torpassword=****',
'Config file arg: regtest="1"',
'Config file arg: [regtest] server="1"',
],
unexpected_msgs=[
'alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc0',
'127.1.1.1',
'secret-rpcuser',
'secret-torpassword',
]):
self.start_node(0, extra_args=[
'-addnode=some.node',
'-rpcauth=alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc0',
'-rpcbind=127.1.1.1',
'-rpcpassword=',
'-rpcuser=secret-rpcuser',
'-torpassword=secret-torpassword',
])
self.stop_node(0)
def run_test(self):
self.stop_node(0)
self.test_log_buffer()
self.test_args_log()
self.test_config_file_parser()

7
test/functional/test_framework/test_node.py
View file

@ -298,7 +298,9 @@ class TestNode():
wait_until(self.is_node_stopped, timeout=timeout)
@contextlib.contextmanager
def assert_debug_log(self, expected_msgs, timeout=2):
def assert_debug_log(self, expected_msgs, unexpected_msgs=None, timeout=2):
if unexpected_msgs is None:
unexpected_msgs = []
time_end = time.time() + timeout
debug_log = os.path.join(self.datadir, self.chain, 'debug.log')
with open(debug_log, encoding='utf-8') as dl:
@ -313,6 +315,9 @@ class TestNode():
dl.seek(prev_size)
log = dl.read()
print_log = " - " + "\n - ".join(log.splitlines())
for unexpected_msg in unexpected_msgs:
if re.search(re.escape(unexpected_msg), log, flags=re.MULTILINE):
self._raise_assertion_error('Unexpected message "{}" partially matches log:\n\n{}\n\n'.format(unexpected_msg, print_log))
for expected_msg in expected_msgs:
if re.search(re.escape(expected_msg), log, flags=re.MULTILINE) is None:
found = False