ClickHouse/programs/client/ConnectionParameters.cpp

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#include "ConnectionParameters.h"
#include <fstream>
#include <iostream>
#include <Core/Defines.h>
#include <Core/Protocol.h>
#include <Core/Types.h>
#include <IO/ConnectionTimeouts.h>
#include <Poco/Util/AbstractConfiguration.h>
#include <Common/Exception.h>
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#include <Common/isLocalAddress.h>
#include <Common/DNSResolver.h>
#include <common/setTerminalEcho.h>
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#include <common/scope_guard.h>
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#if !defined(ARCADIA_BUILD)
#include <readpassphrase.h> // Y_IGNORE
#endif
namespace DB
{
namespace ErrorCodes
{
extern const int BAD_ARGUMENTS;
}
ConnectionParameters::ConnectionParameters(const Poco::Util::AbstractConfiguration & config)
{
bool is_secure = config.getBool("secure", false);
security = is_secure ? Protocol::Secure::Enable : Protocol::Secure::Disable;
host = config.getString("host", "localhost");
port = config.getInt(
"port", config.getInt(is_secure ? "tcp_port_secure" : "tcp_port", is_secure ? DBMS_DEFAULT_SECURE_PORT : DBMS_DEFAULT_PORT));
default_database = config.getString("database", "");
/// changed the default value to "default" to fix the issue when the user in the prompt is blank
user = config.getString("user", "default");
bool password_prompt = false;
if (config.getBool("ask-password", false))
{
if (config.has("password"))
throw Exception("Specified both --password and --ask-password. Remove one of them", ErrorCodes::BAD_ARGUMENTS);
password_prompt = true;
}
else
{
password = config.getString("password", "");
/// if the value of --password is omitted, the password will be set implicitly to "\n"
if (password == "\n")
password_prompt = true;
}
if (password_prompt)
{
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#if !defined(ARCADIA_BUILD)
std::string prompt{"Password for user (" + user + "): "};
char buf[1000] = {};
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if (auto * result = readpassphrase(prompt.c_str(), buf, sizeof(buf), 0))
password = result;
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#endif
}
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/// By default compression is disabled if address looks like localhost.
compression = config.getBool("compression", !isLocalAddress(DNSResolver::instance().resolveHost(host)))
? Protocol::Compression::Enable : Protocol::Compression::Disable;
timeouts = ConnectionTimeouts(
Poco::Timespan(config.getInt("connect_timeout", DBMS_DEFAULT_CONNECT_TIMEOUT_SEC), 0),
Poco::Timespan(config.getInt("send_timeout", DBMS_DEFAULT_SEND_TIMEOUT_SEC), 0),
Poco::Timespan(config.getInt("receive_timeout", DBMS_DEFAULT_RECEIVE_TIMEOUT_SEC), 0),
Poco::Timespan(config.getInt("tcp_keep_alive_timeout", 0), 0));
}
}