mirror of
https://github.com/openappsec/openappsec.git
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365 lines
11 KiB
C++
Executable File
365 lines
11 KiB
C++
Executable File
// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "nginx_attachment_config.h"
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#include <stdlib.h>
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#include "nginx_attachment.h"
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#include "config.h"
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#include "singleton.h"
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#include "i_gradual_deployment.h"
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#include "debug.h"
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USE_DEBUG_FLAG(D_NGINX_ATTACHMENT);
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using namespace std;
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using DebugLevel = ngx_http_cp_debug_level_e;
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void
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HttpAttachmentConfig::init()
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{
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setDebugLevel();
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setGradualDeploymentIPs();
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setWebTriggerConf();
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setStaticResourcesPath();
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setFailOpenMode();
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setFailOpenTimeout();
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setFailOpenWaitMode();
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setSessionsPerMinuteLimitVerdict();
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setMaxSessionsPerMinute();
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setNumOfNginxIpcElements();
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setDebugByContextValues();
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setKeepAliveIntervalMsec();
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setRetriesForVerdict();
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}
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bool
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HttpAttachmentConfig::operator==(const HttpAttachmentConfig &other) const
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{
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return
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web_trigger_conf == other.web_trigger_conf &&
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conf_data == other.conf_data;
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}
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void
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HttpAttachmentConfig::save(cereal::JSONOutputArchive &out_ar) const
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{
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conf_data.save(out_ar);
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}
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template <typename Conf, typename ...Strings>
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static Conf
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getAttachmentConf(const Conf &default_val, const string &profile_conf, const Strings & ...conf)
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{
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const Conf &profile_settings = getProfileAgentSettingWithDefault<Conf>(default_val, profile_conf);
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return getConfigurationWithDefault<Conf>(profile_settings, conf...);
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}
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void
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HttpAttachmentConfig::setGradualDeploymentIPs()
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{
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auto i_gradual_deployment = Singleton::Consume<I_GradualDeployment>::by<NginxAttachment>();
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conf_data.setExcludeSources(i_gradual_deployment->getPolicy(I_GradualDeployment::AttachmentType::NGINX));
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}
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void
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HttpAttachmentConfig::setWebTriggerConf()
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{
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web_trigger_conf = getConfigurationWithDefault<WebTriggerConf>(
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WebTriggerConf::default_trigger_conf,
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"HTTP manager",
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"Web trigger conf"
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);
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}
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void
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HttpAttachmentConfig::setDebugLevel() {
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string debug_level = getAttachmentConf<string>(
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"info",
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"agent.debug.flag.nginxModule",
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"HTTP manager",
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"Attachment debug level"
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);
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debug_level[0] = toupper(debug_level[0]);
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if (debug_level == "Trace") {
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conf_data.setNumericalValue("dbg_level", (unsigned int)DebugLevel::DBG_LEVEL_TRACE);
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} else if (debug_level == "Debug") {
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conf_data.setNumericalValue("dbg_level", (unsigned int)DebugLevel::DBG_LEVEL_DEBUG);
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} else if (debug_level == "Info") {
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conf_data.setNumericalValue("dbg_level", (unsigned int)DebugLevel::DBG_LEVEL_INFO);
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} else if (debug_level == "Warning") {
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conf_data.setNumericalValue("dbg_level", (unsigned int)DebugLevel::DBG_LEVEL_WARNING);
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} else if (debug_level == "Error") {
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conf_data.setNumericalValue("dbg_level", (unsigned int)DebugLevel::DBG_LEVEL_ERROR);
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} else {
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dbgWarning(D_NGINX_ATTACHMENT)
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<< "Debug level \""
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<< debug_level
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<< "\" is not valid. using default level \"warning\"";
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conf_data.setNumericalValue("dbg_level", (unsigned int)DebugLevel::DBG_LEVEL_INFO);
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}
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}
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void
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HttpAttachmentConfig::setFailOpenMode()
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{
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bool is_fail_open_mode_enabled = getAttachmentConf<bool>(
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true,
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"agent.failOpenState.nginxModule",
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"HTTP manager",
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"Fail Open Mode state"
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);
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dbgTrace(D_NGINX_ATTACHMENT)
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<< "Attachment failure mode is: "
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<< (is_fail_open_mode_enabled ? "Enabled" : "Disabled");
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conf_data.setNumericalValue("is_fail_open_mode_enabled", is_fail_open_mode_enabled);
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}
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void
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HttpAttachmentConfig::setFailOpenTimeout()
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{
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conf_data.setNumericalValue("fail_open_timeout", getAttachmentConf<uint>(
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50,
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"agent.failOpenTimeout.nginxModule",
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"HTTP manager",
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"Fail Open timeout msec"
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));
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conf_data.setNumericalValue("fail_open_hold_timeout", getAttachmentConf<uint>(
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150,
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"agent.failOpenWaitTimeout.nginxModule",
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"HTTP manager",
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"Fail Open wait timeout msec"
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));
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conf_data.setNumericalValue("res_proccessing_timeout_msec", getAttachmentConf<uint>(
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3000,
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"agent.resProccessingTimeout.nginxModule",
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"HTTP manager",
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"NGINX response processing timeout msec"
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));
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conf_data.setNumericalValue("req_proccessing_timeout_msec", getAttachmentConf<uint>(
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3000,
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"agent.reqProccessingTimeout.nginxModule",
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"HTTP manager",
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"NGINX request processing timeout msec"
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));
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conf_data.setNumericalValue("registration_thread_timeout_msec", getAttachmentConf<uint>(
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100,
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"agent.registrationThreadTimeout.nginxModule",
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"HTTP manager",
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"NGINX registration thread timeout msec"
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));
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conf_data.setNumericalValue("req_header_thread_timeout_msec", getAttachmentConf<uint>(
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100,
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"agent.reqHeaderThreadTimeout.nginxModule",
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"HTTP manager",
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"NGINX request header thread timeout msec"
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));
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conf_data.setNumericalValue("req_body_thread_timeout_msec", getAttachmentConf<uint>(
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150,
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"agent.reqBodyThreadTimeout.nginxModule",
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"HTTP manager",
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"NGINX request body thread timeout msec"
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));
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conf_data.setNumericalValue("res_header_thread_timeout_msec", getAttachmentConf<uint>(
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100,
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"agent.resHeaderThreadTimeout.nginxModule",
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"HTTP manager",
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"NGINX response header thread timeout msec"
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));
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conf_data.setNumericalValue("res_body_thread_timeout_msec", getAttachmentConf<uint>(
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150,
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"agent.resBodyThreadTimeout.nginxModule",
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"HTTP manager",
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"NGINX response body thread timeout msec"
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));
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conf_data.setNumericalValue("waiting_for_verdict_thread_timeout_msec", getAttachmentConf<uint>(
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150,
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"agent.waitThreadTimeout.nginxModule",
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"HTTP manager",
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"NGINX wait thread timeout msec"
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));
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conf_data.setNumericalValue("remove_server_header", getAttachmentConf<uint>(
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0,
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"agent.removeServerHeader.nginxModule",
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"HTTP manager",
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"Response server header removal"
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));
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uint inspection_mode = getAttachmentConf<uint>(
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static_cast<uint>(ngx_http_inspection_mode_e::NON_BLOCKING_THREAD),
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"agent.inspectionMode.nginxModule",
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"HTTP manager",
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"NGINX inspection mode"
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);
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if (inspection_mode >= ngx_http_inspection_mode_e::INSPECTION_MODE_COUNT) {
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inspection_mode = ngx_http_inspection_mode_e::NON_BLOCKING_THREAD;
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}
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conf_data.setNumericalValue("nginx_inspection_mode", inspection_mode);
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}
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void
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HttpAttachmentConfig::setRetriesForVerdict()
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{
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conf_data.setNumericalValue("min_retries_for_verdict", getAttachmentConf<uint>(
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3,
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"agent.minRetriesForVerdict.nginxModule",
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"HTTP manager",
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"Min retries for verdict"
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));
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conf_data.setNumericalValue("max_retries_for_verdict", getAttachmentConf<uint>(
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15,
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"agent.maxRetriesForVerdict.nginxModule",
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"HTTP manager",
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"Max retries for verdict"
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));
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conf_data.setNumericalValue("body_size_trigger", getAttachmentConf<uint>(
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200000,
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"agent.reqBodySizeTrigger.nginxModule",
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"HTTP manager",
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"Request body size trigger"
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));
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}
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void
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HttpAttachmentConfig::setFailOpenWaitMode()
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{
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bool is_fail_open_mode_hold_enabled = getAttachmentConf<bool>(
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true,
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"agent.failOpenWaitState.nginxModule",
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"HTTP manager",
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"Fail Open Mode state"
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);
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dbgTrace(D_NGINX_ATTACHMENT)
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<< "Attachment waiting failure mode is: "
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<< (is_fail_open_mode_hold_enabled ? "Enabled" : "Disabled");
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conf_data.setNumericalValue("is_fail_open_mode_hold_enabled", is_fail_open_mode_hold_enabled);
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}
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void
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HttpAttachmentConfig::setSessionsPerMinuteLimitVerdict()
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{
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string sessions_per_minute_limit_verdict = getAttachmentConf<string>(
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"Accept",
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"agent.sessionsPerMinuteLimitVerdict.nginxModule",
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"HTTP manager",
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"Sessions Per Minute Limit Verdict"
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);
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dbgTrace(D_NGINX_ATTACHMENT)
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<< "Attachment sessions per minute limit verdict is: "
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<< sessions_per_minute_limit_verdict;
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conf_data.setStringValue("sessions_per_minute_limit_verdict", sessions_per_minute_limit_verdict);
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}
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void
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HttpAttachmentConfig::setMaxSessionsPerMinute()
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{
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uint max_sessions_per_minute = getAttachmentConf<uint>(
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0,
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"agent.maxSessionsPerMinute.nginxModule",
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"HTTP manager",
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"Max Sessions Per Minute"
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);
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dbgTrace(D_NGINX_ATTACHMENT)
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<< "Attachment max sessions per minute is: "
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<< max_sessions_per_minute;
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conf_data.setNumericalValue("max_sessions_per_minute", max_sessions_per_minute);
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}
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void
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HttpAttachmentConfig::setNumOfNginxIpcElements()
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{
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uint num_of_nginx_ipc_elements = getProfileAgentSettingWithDefault<uint>(
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NUM_OF_NGINX_IPC_ELEMENTS, "nginxAttachment.numOfNginxIpcElements"
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);
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dbgTrace(D_NGINX_ATTACHMENT)
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<< "Number of NGINX IPC elements: "
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<< num_of_nginx_ipc_elements;
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conf_data.setNumericalValue("num_of_nginx_ipc_elements", num_of_nginx_ipc_elements);
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}
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void
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HttpAttachmentConfig::setKeepAliveIntervalMsec()
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{
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uint keep_alive_interval_msec = getProfileAgentSettingWithDefault<uint>(
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300, "attachmentRegistrator.expirationCheckSeconds"
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);
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keep_alive_interval_msec = (keep_alive_interval_msec * 1000) / 2;
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dbgDebug(D_NGINX_ATTACHMENT)
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<< "Interval keeps alives size: "
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<< keep_alive_interval_msec << " msec";
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conf_data.setNumericalValue("keep_alive_interval_msec", keep_alive_interval_msec);
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}
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void
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HttpAttachmentConfig::setStaticResourcesPath()
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{
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string static_resources_path = getConfigurationWithDefault<string>(
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DEFAULT_STATIC_RESOURCES_PATH,
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"HTTP manager",
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"Static resources path"
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);
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dbgDebug(D_NGINX_ATTACHMENT) << "Static resources path is : " << static_resources_path;
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conf_data.setStringValue("static_resources_path", static_resources_path);
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}
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void
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HttpAttachmentConfig::setDebugByContextValues()
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{
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DebugConfig new_ctx_cfg;
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auto maybe_ctx_config = getSetting<DebugConfig>("HTTP manager", "debug context");
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if(!maybe_ctx_config.ok()) {
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dbgDebug(D_NGINX_ATTACHMENT) << "Failed to set context values. Setting default values";
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conf_data.setDebugContext(new_ctx_cfg);
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return;
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}
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new_ctx_cfg = maybe_ctx_config.unpack();
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conf_data.setDebugContext(new_ctx_cfg);
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dbgDebug(D_NGINX_ATTACHMENT)
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<< "Setting context values : "
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<< "client_ip: "
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<< new_ctx_cfg.client
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<< ", listening_ip: "
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<< new_ctx_cfg.server
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<< ", uri_prefix: "
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<< new_ctx_cfg.uri
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<< ", hostname: "
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<< new_ctx_cfg.host
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<< ", http_method: "
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<< new_ctx_cfg.method
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<< ", listening_port: "
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<< new_ctx_cfg.port;
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}
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