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Assume unversioned server has version=0 and use tryParse() instead of from_chars()

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This commit is contained in:
Robert Schulze 2022-08-10 07:39:32 +00:00
parent e0d5020a92
commit 810221baf2
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GPG Key ID: 26703B55FB13728A
5 changed files with 60 additions and 73 deletions
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25
programs/library-bridge/LibraryBridgeHandlers.cpp
View File

@ -19,7 +19,6 @@
#include <QueryPipeline/Pipe.h>
#include <Server/HTTP/HTMLForm.h>
#include <IO/ReadBufferFromString.h>
#include <charconv>
namespace DB
@ -92,27 +91,25 @@ void ExternalDictionaryLibraryBridgeRequestHandler::handleRequest(HTTPServerRequ
LOG_TRACE(log, "Request URI: {}", request.getURI());
HTMLForm params(getContext()->getSettingsRef(), request);
size_t version;
if (!params.has("version"))
{
processError(response, "No 'version' in request URL");
return;
}
version = 0; /// assumed version for too old servers which do not send a version
else
{
String version_str = params.get("version");
size_t version;
auto [_, ec] = std::from_chars(version_str.data(), version_str.data() + version_str.size(), version);
if (ec != std::errc())
if (!tryParse(version, version_str))
{
processError(response, "Unable to parse 'version' string in request URL: '" + version_str + "' Check if the server and library-bridge have the same version.");
return;
}
if (version != LIBRARY_BRIDGE_PROTOCOL_VERSION)
{
// backwards compatibility is for now deemed unnecessary, just let the user upgrade the server and bridge to the same version
processError(response, "Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
}
if (version != LIBRARY_BRIDGE_PROTOCOL_VERSION)
{
/// backwards compatibility is considered unnecessary for now, just let the user know that the server and the bridge must be upgraded together
processError(response, "Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
if (!params.has("method"))

27
programs/odbc-bridge/ColumnInfoHandler.cpp
View File

@ -5,6 +5,7 @@
#include <DataTypes/DataTypeFactory.h>
#include <DataTypes/DataTypeNullable.h>
#include <Server/HTTP/WriteBufferFromHTTPServerResponse.h>
#include <IO/ReadHelpers.h>
#include <IO/WriteHelpers.h>
#include <Parsers/ParserQueryWithOutput.h>
#include <Parsers/parseQuery.h>
@ -23,8 +24,6 @@
#include <sql.h>
#include <sqlext.h>
#include <charconv>
namespace DB
{
@ -83,27 +82,25 @@ void ODBCColumnsInfoHandler::handleRequest(HTTPServerRequest & request, HTTPServ
LOG_WARNING(log, fmt::runtime(message));
};
size_t version;
if (!params.has("version"))
{
process_error("No 'version' in request URL");
return;
}
version = 0; /// assumed version for too old servers which do not send a version
else
{
String version_str = params.get("version");
size_t version;
auto [_, ec] = std::from_chars(version_str.data(), version_str.data() + version_str.size(), version);
if (ec != std::errc())
if (!tryParse(version, version_str))
{
process_error("Unable to parse 'version' string in request URL: '" + version_str + "' Check if the server and library-bridge have the same version.");
return;
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
// backwards compatibility is for now deemed unnecessary, just let the user upgrade the server and bridge to the same version
process_error("Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
/// backwards compatibility is considered unnecessary for now, just let the user know that the server and the bridge must be upgraded together
process_error("Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
if (!params.has("table"))

27
programs/odbc-bridge/IdentifierQuoteHandler.cpp
View File

@ -5,6 +5,7 @@
#include <DataTypes/DataTypeFactory.h>
#include <Server/HTTP/HTMLForm.h>
#include <Server/HTTP/WriteBufferFromHTTPServerResponse.h>
#include <IO/ReadHelpers.h>
#include <IO/WriteHelpers.h>
#include <Parsers/ParserQueryWithOutput.h>
#include <Parsers/parseQuery.h>
@ -17,8 +18,6 @@
#include "validateODBCConnectionString.h"
#include "ODBCPooledConnectionFactory.h"
#include <charconv>
namespace DB
{
@ -35,27 +34,25 @@ void IdentifierQuoteHandler::handleRequest(HTTPServerRequest & request, HTTPServ
LOG_WARNING(log, fmt::runtime(message));
};
size_t version;
if (!params.has("version"))
{
process_error("No 'version' in request URL");
return;
}
version = 0; /// assumed version for too old servers which do not send a version
else
{
String version_str = params.get("version");
size_t version;
auto [_, ec] = std::from_chars(version_str.data(), version_str.data() + version_str.size(), version);
if (ec != std::errc())
if (!tryParse(version, version_str))
{
process_error("Unable to parse 'version' string in request URL: '" + version_str + "' Check if the server and library-bridge have the same version.");
return;
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
// backwards compatibility is for now deemed unnecessary, just let the user upgrade the server and bridge to the same version
process_error("Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
/// backwards compatibility is considered unnecessary for now, just let the user know that the server and the bridge must be upgraded together
process_error("Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
if (!params.has("connection_string"))

26
programs/odbc-bridge/MainHandler.cpp
View File

@ -22,7 +22,6 @@
#include <Server/HTTP/HTMLForm.h>
#include <Common/config.h>
#include <charconv>
#include <mutex>
#include <memory>
@ -57,29 +56,28 @@ void ODBCHandler::handleRequest(HTTPServerRequest & request, HTTPServerResponse
HTMLForm params(getContext()->getSettingsRef(), request);
LOG_TRACE(log, "Request URI: {}", request.getURI());
size_t version;
if (!params.has("version"))
{
processError(response, "No 'version' in request URL");
return;
}
version = 0; /// assumed version for too old servers which do not send a version
else
{
String version_str = params.get("version");
size_t version;
auto [_, ec] = std::from_chars(version_str.data(), version_str.data() + version_str.size(), version);
if (ec != std::errc())
if (!tryParse(version, version_str))
{
processError(response, "Unable to parse 'version' string in request URL: '" + version_str + "' Check if the server and library-bridge have the same version.");
return;
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
// backwards compatibility is for now deemed unnecessary, just let the user upgrade the server and bridge to the same version
processError(response, "Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
/// backwards compatibility is considered unnecessary for now, just let the user know that the server and the bridge must be upgraded together
processError(response, "Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
if (mode == "read")
params.read(request.getStream());

28
programs/odbc-bridge/SchemaAllowedHandler.cpp
View File

@ -4,6 +4,7 @@
#include <Server/HTTP/HTMLForm.h>
#include <Server/HTTP/WriteBufferFromHTTPServerResponse.h>
#include <IO/ReadHelpers.h>
#include <IO/WriteHelpers.h>
#include <Poco/Net/HTTPServerRequest.h>
#include <Poco/Net/HTTPServerResponse.h>
@ -14,8 +15,6 @@
#include <sql.h>
#include <sqlext.h>
#include <charconv>
namespace DB
{
@ -43,29 +42,28 @@ void SchemaAllowedHandler::handleRequest(HTTPServerRequest & request, HTTPServer
LOG_WARNING(log, fmt::runtime(message));
};
size_t version;
if (!params.has("version"))
{
process_error("No 'version' in request URL");
return;
}
version = 0; /// assumed version for too old servers which do not send a version
else
{
String version_str = params.get("version");
size_t version;
auto [_, ec] = std::from_chars(version_str.data(), version_str.data() + version_str.size(), version);
if (ec != std::errc())
if (!tryParse(version, version_str))
{
process_error("Unable to parse 'version' string in request URL: '" + version_str + "' Check if the server and library-bridge have the same version.");
return;
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
// backwards compatibility is for now deemed unnecessary, just let the user upgrade the server and bridge to the same version
process_error("Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
}
if (version != XDBC_BRIDGE_PROTOCOL_VERSION)
{
/// backwards compatibility is considered unnecessary for now, just let the user know that the server and the bridge must be upgraded together
process_error("Server and library-bridge have different versions: '" + std::to_string(version) + "' vs. '" + std::to_string(LIBRARY_BRIDGE_PROTOCOL_VERSION) + "'");
return;
}
if (!params.has("connection_string"))
{
process_error("No 'connection_string' in request URL");