支持从profile中选择应答记录内容，TSG-6653

用户自定义没有符合的欺骗IP时，串联环境丢弃真实应答包

.gitlab-ci.yml

@@ -3,7 +3,7 @@ variables:
   GIT_STRATEGY: "clone"
   BUILD_PADDING_PREFIX: /tmp/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX_PREFIX_PREFIX_PREFIX_PREFIX_PREFIX/
   INSTALL_PREFIX: "/home/mesasoft/sapp_run/"
-  INSTALL_DEPENDENCY_LIBRARY: libMESA_handle_logger-devel  libcjson-devel libMESA_field_stat2-devel  sapp-devel framework_env  libMESA_prof_load-devel http-devel dns-devel  ftp-devel mail-devel ssl-devel  librdkafka-devel libmaatframe-devel tsg_master-devel libdocumentanalyze-devel
+  INSTALL_DEPENDENCY_LIBRARY: libMESA_handle_logger-devel  libcjson-devel libMESA_field_stat2-devel  sapp-devel framework_env  libMESA_prof_load-devel http-devel dns-devel  ftp-devel mail-devel ssl-devel  librdkafka-devel libmaatframe-devel tsg_master-devel libdocumentanalyze-devel libasan
 
 stages:
 - build
@@ -47,6 +47,11 @@ develop_build_debug:
   variables:
     BUILD_TYPE: Debug
     PACKAGE: 1
+    UPLOAD_RPM: 1
+    ASAN_OPTION: ADDRESS
+    TESTING_VERSION_BUILD: 1
+    PULP3_REPO_NAME: tsg-testing-x86_64.el7
+    PULP3_DIST_NAME: tsg-testing-x86_64.el7
   artifacts:
     name: "fw_dns_plug-$CI_COMMIT_REF_NAME-debug"
     paths:
@@ -61,6 +66,10 @@ develop_build_release:
   variables:
     BUILD_TYPE: RelWithDebInfo
     PACKAGE: 1
+    UPLOAD_RPM: 1
+    TESTING_VERSION_BUILD: 1
+    PULP3_REPO_NAME: tsg-testing-x86_64.el7
+    PULP3_DIST_NAME: tsg-testing-x86_64.el7
   artifacts:
     name: "fw_dns_plug-$CI_COMMIT_REF_NAME-release"
     paths:
@@ -70,12 +79,12 @@ develop_build_release:
     - /^master.*$/i
 
 
-release_build_release:
+release_build_debug:
   stage: build
   variables:
-    BUILD_TYPE: RelWithDebInfo
+    BUILD_TYPE: Debug
     PACKAGE: 1
-    UPLOAD: 1
+    UPLOAD_RPM: 1
     PULP3_REPO_NAME: tsg-stable-x86_64.el7
     PULP3_DIST_NAME: tsg-stable-x86_64.el7
   extends: .build_by_travis
@@ -86,13 +95,15 @@ release_build_release:
   only:
     - tags
 
-release_build_release_devel:
+release_build_release:
   stage: build
   variables:
     BUILD_TYPE: RelWithDebInfo
     ENABLE_DEVEL_SWITCH: "ON"
     PACKAGE: 1
-    UPLOAD: 1
+    UPLOAD_RPM: 1
+    UPLOAD_SYMBOL_FILES: 1
+    SYMBOL_TARGET: fw_dns_plug
     PULP3_REPO_NAME: tsg-stable-x86_64.el7
     PULP3_DIST_NAME: tsg-stable-x86_64.el7
   extends: .build_by_travis

CMakeLists.txt

@@ -34,41 +34,4 @@ set(CMAKE_INSTALL_PREFIX /home/mesasoft/sapp_run)
 
 add_subdirectory (src) 
 
-set(CONFLIST /plug/conflist.inf)
-set(MASTER_INF "./plug/business/fw_dns_plug/fw_dns_plug.inf")
-set(MAIN_CONF /tsgconf/main.conf)
-
-file(WRITE ${PROJECT_SOURCE_DIR}/install.sh "#!/bin/sh\r\n")
-file(WRITE ${PROJECT_SOURCE_DIR}/uninstall.sh "#!/bin/sh\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "DST=\${RPM_INSTALL_PREFIX}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "DST=\${RPM_INSTALL_PREFIX}\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "mkdir -p \${DST}/plug/business/\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "mkdir -p \${DST}/plug/business/\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "touch \${DST}${CONFLIST}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "touch \${DST}${CONFLIST}\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "mkdir -p \${DST}/tsgconf/\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "mkdir -p \${DST}/tsgconf/\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "touch \${DST}${MAIN_CONF}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "touch \${DST}${MAIN_CONF}\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "if [[ -z `grep -rn 'fw_dns_plug.inf' \${DST}${CONFLIST}` ]];then\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "\tsed -i '/\\[business\\]/a\\${MASTER_INF}' \${DST}${CONFLIST}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "fi\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "sed -i '/fw_dns_plug.inf/d' \${DST}${CONFLIST}\r\n")
-
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "if [[ -z `grep -rn '\\[DNS_PLUG\\]' \${DST}${MAIN_CONF}` ]];then\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "\tsed -i '1i\\\\[DNS_PLUG\\]' \${DST}${MAIN_CONF}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "\tsed -i '/\\[DNS_PLUG\\]/a\\LOG_LEVEL=30' \${DST}${MAIN_CONF}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "\tsed -i '/\\[DNS_PLUG\\]/a\\LOG_PATH=./tsglog/fw_dns_plug/fw_dns_plug' \${DST}${MAIN_CONF}\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/install.sh "fi\r\n")
-file(APPEND ${PROJECT_SOURCE_DIR}/uninstall.sh "sed -i '/\\[DNS_PLUG\\]/,+2d' \${DST}${MAIN_CONF}\r\n")
-
-SET(CPACK_RPM_PRE_INSTALL_SCRIPT_FILE "${PROJECT_SOURCE_DIR}/install.sh")
-SET(CPACK_RPM_PRE_UNINSTALL_SCRIPT_FILE "${PROJECT_SOURCE_DIR}/uninstall.sh")
-
 include(Package)

ci/travis.sh

@@ -37,13 +37,19 @@ if [ -n "${INSTALL_DEPENDENCY_LIBRARY}" ]; then
 	yum install -y $INSTALL_DEPENDENCY_LIBRARY
 	source /etc/profile.d/framework.sh
 fi
+
+if [ $ASAN_OPTION ];then
+	source /opt/rh/devtoolset-7/enable
+fi
+
 mkdir build || true
 cd build
 
 cmake3 -DCMAKE_CXX_FLAGS=$CXX_FLAGS \
       -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
       -DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX \
-      -DENABLE_DEVEL=$ENABLE_DEVEL_SWITCH \
+      -DASAN_OPTION=$ASAN_OPTION \
+      -DVERSION_DAILY_BUILD=$TESTING_VERSION_BUILD \
       ..
 
 make
@@ -52,13 +58,15 @@ if [ -n "${PACKAGE}" ]; then
 	make package
 fi
 
-if [ -n "${UPLOAD}" ]; then	
+if [ -n "${UPLOAD_RPM}" ]; then	
 	cp ~/rpm_upload_tools.py ./
 	python3 rpm_upload_tools.py ${PULP3_REPO_NAME} ${PULP3_DIST_NAME} *.rpm
 fi
 
-#if [ -n "${UPLOAD_SYMBOL_FILES}" ]; then
-#  rpm -i tfe*debuginfo*.rpm
-#  cp /usr/lib/debug/opt/tsg/tfe/bin/tfe.debug /tmp/tfe.debuginfo.${CI_COMMIT_SHORT_SHA}
-#  sentry-cli upload-dif -t elf /tmp/tfe.debuginfo.${CI_COMMIT_SHORT_SHA}
-#fi
+if [ -n "${UPLOAD_SYMBOL_FILES}" ]; then
+	rpm -i $SYMBOL_TARGET*debuginfo*.rpm
+	_symbol_file=`find /usr/lib/debug/ -name "$SYMBOL_TARGET*.so*.debug"`
+	cp $_symbol_file ${_symbol_file}info.${CI_COMMIT_SHORT_SHA}
+	sentry-cli upload-dif -t elf ${_symbol_file}info.${CI_COMMIT_SHORT_SHA}
+fi
+

cmake/Package.cmake

@@ -14,8 +14,8 @@ set(CPACK_PACKAGING_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX})
 set(CPACK_PACKAGE_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}.${VERSION_BUILD}")
 execute_process(COMMAND bash -c "echo -ne \"`uname -r | awk -F'.' '{print $5\".\"$6\".\"$7}'`\"" OUTPUT_VARIABLE SYSTEM_VERSION)
 
-#execute_process(COMMAND sh changelog.sh WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/cmake)
-#SET(CPACK_RPM_CHANGELOG_FILE ${PROJECT_SOURCE_DIR}/cmake/changelog.txt)
+execute_process(COMMAND sh changelog.sh ${CMAKE_BINARY_DIR} WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/cmake)
+SET(CPACK_RPM_CHANGELOG_FILE ${CMAKE_BINARY_DIR}/changelog.txt)
 
 # RPM Build
 set(CPACK_GENERATOR "RPM")
@@ -25,23 +25,28 @@ set(CPACK_RPM_PACKAGE_RELEASE_LIBRARY "on")
 set(CPACK_RPM_DEBUGINFO_PACKAGE "on")
 set(CPACK_RPM_PACKAGE_DEBUG 1)
 
+set(CPACK_RPM_PACKAGE_AUTOREQPROV "no")
+set(CPACK_RPM_PACKAGE_AUTOREQ "no")
+
 set(CPACK_RPM_COMPONENT_INSTALL ON)
 set(CPACK_COMPONENTS_IGNORE_GROUPS 1)
 set(CPACK_COMPONENTS_GROUPING ONE_PER_GROUP)
 set(CPACK_COMPONENT_HEADER_DISPLAY_NAME "develop")
 
-set(CPACK_COMPONENT_LIBRARY_REQUIRED TRUE)
-set(CPACK_RPM_LIBRARY_PACKAGE_NAME ${MY_RPM_NAME_PREFIX})
-set(CPACK_RPM_LIBRARY_FILE_NAME "${CPACK_RPM_LIBRARY_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${SYSTEM_VERSION}.rpm")
-set(CPACK_RPM_LIBRARY_DEBUGINFO_FILE_NAME "${CPACK_RPM_LIBRARY_PACKAGE_NAME}-debuginfo-${CPACK_PACKAGE_VERSION}-${SYSTEM_VERSION}.rpm")
+set(CPACK_COMPONENT_LIBRARIES_REQUIRED TRUE)
+set(CPACK_RPM_LIBRARIES_PACKAGE_NAME ${MY_RPM_NAME_PREFIX})
+set(CPACK_RPM_LIBRARIES_FILE_NAME "${CPACK_RPM_LIBRARIES_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${SYSTEM_VERSION}.rpm")
+set(CPACK_RPM_LIBRARIES_DEBUGINFO_FILE_NAME "${CPACK_RPM_LIBRARIES_PACKAGE_NAME}-debuginfo-${CPACK_PACKAGE_VERSION}-${SYSTEM_VERSION}.rpm")
 
-set(CPACK_COMPONENT_LIBRARY_GROUP "library")
-set(CPACK_COMPONENT_PROFILE_GROUP "library")
+set(CPACK_COMPONENT_LIBRARIES_GROUP "libraries")
+set(CPACK_COMPONENT_PROFILE_GROUP "libraries")
 
 set(CPACK_RPM_HEADER_PACKAGE_CONFLICTS ${CPACK_RPM_HEADER_PACKAGE_NAME})
 
-set(CPACK_COMPONENTS_ALL LIBRARY PROFILE)
+set(CPACK_COMPONENTS_ALL LIBRARIES PROFILE)
 
+SET(CPACK_RPM_LIBRARIES_PRE_INSTALL_SCRIPT_FILE "${PROJECT_SOURCE_DIR}/cmake/PreInstall.sh")
+SET(CPACK_RPM_LIBRARIES_PRE_UNINSTALL_SCRIPT_FILE "${PROJECT_SOURCE_DIR}/cmake/PreUninstall.sh")
 
 set(CPACK_BUILD_SOURCE_DIRS "${CMAKE_SOURCE_DIR}")
 

cmake/PreInstall.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+DST=${RPM_INSTALL_PREFIX}
+mkdir -p ${DST}/plug/business/
+touch ${DST}/plug/conflist.inf
+mkdir -p ${DST}/tsgconf/
+touch ${DST}/tsgconf/main.conf
+if [[ -z `grep -rn 'fw_dns_plug.inf' ${DST}/plug/conflist.inf` ]];then
+	sed -i '/\[business\]/a\./plug/business/fw_dns_plug/fw_dns_plug.inf' ${DST}/plug/conflist.inf
+fi
+if [[ -z `grep -rn '\[DNS_PLUG\]' ${DST}/tsgconf/main.conf` ]];then
+	sed -i '1i\\[DNS_PLUG\]' ${DST}/tsgconf/main.conf
+	sed -i '/\[DNS_PLUG\]/a\LOG_LEVEL=30' ${DST}/tsgconf/main.conf
+	sed -i '/\[DNS_PLUG\]/a\LOG_PATH=./tsglog/fw_dns_plug/fw_dns_plug' ${DST}/tsgconf/main.conf
+fi

cmake/PreUninstall.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+if [ $1 == 0 ]; then
+	DST=${RPM_INSTALL_PREFIX}
+
+	mkdir -p ${DST}/plug/business/
+	touch ${DST}/plug/conflist.inf
+	mkdir -p ${DST}/tsgconf/
+	touch ${DST}/tsgconf/main.conf
+
+	sed -i '/fw_dns_plug.inf/d' ${DST}/plug/conflist.inf
+	sed -i '/\[DNS_PLUG\]/,+2d' ${DST}/tsgconf/main.conf
+fi

cmake/Version.cmake

@@ -19,6 +19,11 @@ include(${__VERSION_CONFIG})
 string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${VCS_TAG}")
 string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${VCS_TAG}")
 string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${VCS_TAG}")
+string(REGEX REPLACE "[T\\:\\+\\-]" "" VERSION_DATE "${VCS_DATE}")
+
+if(VERSION_DAILY_BUILD)
+	set(VERSION_PATCH ${VERSION_PATCH}.${VERSION_DATE})
+endif()
 
 if(NOT VERSION_MAJOR)
     set(VERSION_MAJOR 1)
@@ -38,16 +43,12 @@ set(VERSION_BUILD "${VCS_SHORT_HASH}")
 # print information
 message(STATUS "Version: ${VERSION}-${VERSION_BUILD}")
 
-if(NOT DEFINE_GIT_VERSION)
-    option(DEFINE_GIT_VERSION "Set DEFINE_GIT_VERSION to OFF" OFF)
-
-set(GIT_VERSION
-    "${VERSION}-${CMAKE_BUILD_TYPE}-${VERSION_BUILD}-${VCS_BRANCH}-${VCS_TAG}-${VCS_DATE}")
-string(REGEX REPLACE "[-:+/\\.]" "_" GIT_VERSION ${GIT_VERSION})
+option(DEFINE_GIT_VERSION "Set DEFINE_GIT_VERSION to TRUE or FALSE" TRUE)
 
 if(DEFINE_GIT_VERSION)
-    add_definitions(-DGIT_VERSION=${GIT_VERSION})
-    option(DEFINE_GIT_VERSION "Set DEFINE_GIT_VERSION to OFF" ON)
-endif()
+	set(GIT_VERSION
+			"${VERSION}-${CMAKE_BUILD_TYPE}-${VERSION_BUILD}-${VCS_BRANCH}-${VCS_TAG}-${VCS_DATE}")
+	string(REGEX REPLACE "[-:+/\\.]" "_" GIT_VERSION ${GIT_VERSION})
 
+	add_definitions(-DGIT_VERSION=${GIT_VERSION})
 endif()

cmake/changelog.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
-
+work_path=$1
 branch=`git status | grep branch | awk '{print $NF}'`
-git log --branches=$branch --no-merges --date=local --show-signature --pretty="* %ad %an %ae %nhash: %H%ncommit:%n%B"  | awk -F"-" '{print "- "$0}' | sed 's/- \*/\*/g' | sed 's/- $//g' | sed 's/-/  -/g' | sed 's/[0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}//g' > changelog.txt
+git log --branches=$branch --no-merges --date=local --show-signature --pretty="* %ad %an %ae %nhash: %H%ncommit:%n%B"  | awk -F"-" '{print "- "$0}' | sed 's/- \*/\*/g' | sed 's/- $//g' | sed 's/-/  -/g' | sed 's/[0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}//g' > $work_path/changelog.txt

src/CMakeLists.txt

@@ -8,12 +8,12 @@ include_directories(${CMAKE_SOURCE_DIR}/src)
 include_directories(/opt/MESA/include/)
 include_directories(/opt/MESA/include/tsg/)
 
-set(FW_DNS_PLUG_DEPEND_DYN_LIB  MESA_handle_logger MESA_prof_load maatframe pthread MESA_field_stat2)
+set(FW_DNS_PLUG_DEPEND_DYN_LIB  maatframe pthread MESA_field_stat2)
 
 add_library(fw_dns_plug SHARED ${SRC})
 target_link_libraries(fw_dns_plug ${FW_DNS_PLUG_DEPEND_DYN_LIB})
 set_target_properties(fw_dns_plug  PROPERTIES PREFIX "")
 
-install(TARGETS fw_dns_plug LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/plug/business/fw_dns_plug COMPONENT LIBRARY)
+install(TARGETS fw_dns_plug LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/plug/business/fw_dns_plug COMPONENT LIBRARIES)
 install(FILES ../bin/fw_dns_plug.inf DESTINATION ${CMAKE_INSTALL_PREFIX}/plug/business/fw_dns_plug COMPONENT PROFILE)
 

src/fw_dns_plug.cpp

@@ -9,13 +9,39 @@
 #include <MESA/MESA_handle_logger.h>
 
 #include "tsg_rule.h"
+#include "tsg_label.h"
 #include "tsg_send_log.h"
 #include "fw_dns_plug.h"
 #include "tsg_statistic.h"
 
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define GIT_VERSION_CATTER(v) __attribute__((__used__)) const char * GIT_VERSION_##v = NULL
+#define GIT_VERSION_EXPEND(v) GIT_VERSION_CATTER(v)
+
+/* VERSION TAG */
+#ifdef GIT_VERSION
+GIT_VERSION_EXPEND(GIT_VERSION);
+#else
+static __attribute__((__used__)) const char * GIT_VERSION_UNKNOWN = NULL;
+#endif
+#undef GIT_VERSION_CATTER
+#undef GIT_VERSION_EXPEND
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifndef	PRINTADDR
+#define	PRINTADDR(a, b)	((b)<RLOG_LV_FATAL ? printaddr(&(a->addr), a->threadnum) : "")
+#endif
+
+char FW_DNS_PLUG_VERSION_20210607=0;
+struct fw_dns_plug g_fw_dns_plug_info;
 char *g_fw_dns_conffile=(char *)"tsgconf/main.conf";
-char FW_DNS_PLUG_VERSION_20191220=0;
-struct _fw_dns_plug g_fw_dns_plug_info;
 
 static int get_answer_ttl(cJSON *object)
 {
@@ -23,6 +49,11 @@ static int get_answer_ttl(cJSON *object)
 	int max=0;
 	cJSON *item=NULL;
 
+	if(object==NULL)
+	{
+		return 0;
+	}
+	
 	item=cJSON_GetObjectItem(object, "min");
 	min=item->valueint;
 
@@ -56,113 +87,36 @@ static cJSON * get_answer_records(cJSON *object, int qtype)
 	return NULL;
 }
 
-static char fw_dns_action(struct streaminfo *a_stream, dns_info_t *dns_info, Maat_rule_t *p_result, const void *a_packet)
+static int build_answer_records(struct streaminfo *a_stream, dns_info_t *dns_info, cJSON *object, cheat_pkt_opt_t *cheat_opt, int cheat_opt_num)
 {
+	int ttl=0;
 	int record_id=0;
 	int i=0,used_num=0;
-	int answer_size=0,ret=0;
-	int payload_len=0,ttl=0;
-	dns_hdr_t *dns_hdr = NULL;
-	cJSON *item=NULL;
+	int answer_size=0;	
+	cJSON *one_record=NULL;
 	cJSON *a_item=NULL;	
-	cJSON *object=NULL;
 	cJSON *answer_array=NULL;
-	char *tmp_buff=NULL;
-	unsigned char senddir=0;
-	char state=PROT_STATE_GIVEME;
 	int answer_type=DNS_TYPE_UNKNOWN;
-	int method_type=TSG_METHOD_TYPE_UNKNOWN;
-	cheat_pkt_opt_t cheat_opt[MAX_ANSWER_RECORDS_NUM];
-	unsigned char cheat_pkt_payload[MAX_CHEAT_PKT_PAYLOAD_LEN];
 
-	if(p_result->serv_def_len<128)
-	{
-		object=cJSON_Parse(p_result->service_defined);
-
-		MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
-								RLOG_LV_DEBUG,
-								"DO_ACTION",
-								"Hit policy_id: %d service: %d action: %d user_reagion: %s domain: %s qtype: %d addr: %s",
-								p_result->config_id,
-								p_result->service_id,
-								p_result->action,
-								p_result->service_defined,
-								(char *)dns_info->query_question.qname,
-								dns_info->query_question.qtype,
-								printaddr(&a_stream->addr, a_stream->threadnum)
-								);
-	}
-	else
-	{
-		tmp_buff=(char *)calloc(1, p_result->serv_def_len+1);
-		Maat_read_rule(g_tsg_maat_feather, p_result, MAAT_RULE_SERV_DEFINE, tmp_buff, p_result->serv_def_len);
-		object=cJSON_Parse(tmp_buff);
-
-		MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
-								RLOG_LV_DEBUG,
-								"DO_ACTION",
-								"Hit policy_id: %d service: %d action: %d user_reagion: %s domain: %s qtype: %d addr: %s",
-								p_result->config_id,
-								p_result->service_id,
-								p_result->action,
-								tmp_buff,
-								(char *)dns_info->query_question.qname,
-								dns_info->query_question.qtype,
-								printaddr(&a_stream->addr, a_stream->threadnum)
-								);
-	}
-
-	if(object==NULL)
-	{
-		MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
-								RLOG_LV_FATAL,
-								"DO_ACTION",
-								"Hit policy_id: %d service: %d action: %d user_reagion: %s domain: %s qtype: %d addr: %s",
-								p_result->config_id,
-								p_result->service_id,
-								p_result->action,
-								(tmp_buff==NULL) ? p_result->service_defined : tmp_buff,
-								(char *)dns_info->query_question.qname,
-								dns_info->query_question.qtype,
-								printaddr(&a_stream->addr, a_stream->threadnum)
-								);
-
-		if(tmp_buff!=NULL)
-		{
-			free(tmp_buff);
-			tmp_buff=NULL;
-		}
-		
-		return PROT_STATE_GIVEME;
-	}
-	
-	item=cJSON_GetObjectItem(object, "method");
-	if(item!=NULL)
-	{
-		method_type=tsg_get_method_id(item->valuestring);
-	}
-	
-	switch(method_type)
-	{
-		case	TSG_METHOD_TYPE_DROP:
-			state=PROT_STATE_DROPME|PROT_STATE_DROPPKT;
-			break;
-		case	TSG_METHOD_TYPE_REDIRECTION:
 	answer_array=get_answer_records(object, dns_info->query_question.qtype);
 	if(answer_array!=NULL)
 	{
-				memset(cheat_opt, 0, sizeof(cheat_opt));
+		memset(cheat_opt, 0, sizeof(cheat_pkt_opt_t)*cheat_opt_num);
 		answer_size=cJSON_GetArraySize(answer_array);
 		for(i=0; i<answer_size; i++)
 		{
-					item=cJSON_GetArrayItem(answer_array, i);
-					a_item=cJSON_GetObjectItem(item, "atype");
-					answer_type=fw_dns_type2index(a_item->valuestring);
+			one_record=cJSON_GetArrayItem(answer_array, i);
+			a_item=cJSON_GetObjectItem(one_record, "atype");
+			if(a_item==NULL)
+			{
+				continue;
+			}
 			
-					a_item=cJSON_GetObjectItem(item, "ttl");
+			answer_type=fw_dns_type2index(a_item->valuestring);
+			a_item=cJSON_GetObjectItem(one_record, "ttl");
 			ttl=get_answer_ttl(a_item);
 				
-					a_item=cJSON_GetObjectItem(item, "value");
+			a_item=cJSON_GetObjectItem(one_record, "value");
 			if(a_item!=NULL)
 			{
 				cheat_opt[used_num].res_type=answer_type;
@@ -179,38 +133,141 @@ static char fw_dns_action(struct streaminfo *a_stream, dns_info_t *dns_info, Maa
 						cheat_opt[used_num].res_len=IPV6_ADDR_LEN;
 						inet_pton(AF_INET6, a_item->valuestring, (void *)cheat_opt[used_num].res_info);
 						break;
-							default:
+				case	DNS_TYPE_NS:
+				case	DNS_TYPE_TXT:
+				case	DNS_TYPE_PTR:
+					case	DNS_TYPE_CNAME:
 						cheat_opt[used_num].res_len=(strlen(a_item->valuestring) > sizeof(cheat_opt[used_num].res_info)-1) ? sizeof(cheat_opt[used_num].res_info)-1 : strlen(a_item->valuestring);
 						memcpy(cheat_opt[used_num].res_info, a_item->valuestring, cheat_opt[used_num].res_len);
 						break;
+					default:
+						continue;
 				}
 				used_num++;
 			}
 			else
 			{
-						a_item=cJSON_GetObjectItem(object, "record_id");
+				a_item=cJSON_GetObjectItem(one_record, "record_id");
 				record_id=a_item->valueint;
 
-						a_item=cJSON_GetObjectItem(object, "selected_num");
-						used_num+=get_cheat_opt(record_id, a_item->valueint, ttl, answer_type, cheat_opt+used_num, MAX_ANSWER_RECORDS_NUM-used_num);
+				a_item=cJSON_GetObjectItem(one_record, "selected_num");
+				used_num+=dns_get_cheat_opt(record_id, a_item->valueint, ttl, answer_type, cheat_opt+used_num, cheat_opt_num-used_num);
+			}
+		}
 	}
 
+	return used_num;
+}
+
+static char fw_dns_action(struct streaminfo *a_stream, dns_info_t *dns_info, Maat_rule_t *p_result, const void *a_packet)
+{
+	int ret=0;
+	int payload_len=0;
+	int answer_records_num=0;
+	dns_hdr_t *dns_hdr = NULL;
+	cJSON *item=NULL;
+	cJSON *object=NULL;
+	char *tmp_buff=NULL;
+	unsigned char senddir=0;
+	char state=PROT_STATE_GIVEME;
+	int method_type=TSG_METHOD_TYPE_UNKNOWN;
+	cheat_pkt_opt_t cheat_opt[MAX_ANSWER_RECORDS_NUM];
+	unsigned char cheat_pkt_payload[MAX_CHEAT_PKT_PAYLOAD_LEN];
+	
+	tmp_buff=(char *)calloc(1, p_result->serv_def_len+1);
+	Maat_read_rule(g_tsg_maat_feather, p_result, MAAT_RULE_SERV_DEFINE, tmp_buff, p_result->serv_def_len);
+	
+	object=cJSON_Parse(tmp_buff);
+	if(object==NULL)
+	{
+		MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
+								RLOG_LV_FATAL,
+								"DO_ACTION",
+								"Hit policy_id: %d service: %d action: %d user_reagion: %s domain: %s qtype: %d addr: %s",
+								p_result->config_id,
+								p_result->service_id,
+								p_result->action,
+								(tmp_buff==NULL) ? p_result->service_defined : tmp_buff,
+								(char *)dns_info->query_question.qname,
+								dns_info->query_question.qtype,
+								PRINTADDR(a_stream, g_fw_dns_plug_info.level)
+								);
+		method_type=TSG_METHOD_TYPE_DROP;
+	}
+	else
+	{
+		item=cJSON_GetObjectItem(object, "method");
+		if(item!=NULL)
+		{
+			method_type=tsg_get_method_id(item->valuestring);
+		}
+	}
+	
+	switch(method_type)
+	{
+		case	TSG_METHOD_TYPE_DROP:
+			state=PROT_STATE_GIVEME|PROT_STATE_DROPPKT;
+			break;
+		case	TSG_METHOD_TYPE_REDIRECTION:
+			if(g_fw_dns_plug_info.mode==0 && dns_info->hdr_info.qr==1) //mirror
+			{
+				break;
+			}
+
+			if(g_fw_dns_plug_info.mode==1 && dns_info->hdr_info.qr==0) //inline or transparent
+			{
+				break;
+			}
+			
+			answer_records_num=build_answer_records(a_stream, dns_info, object, cheat_opt, MAX_ANSWER_RECORDS_NUM);
+			if(answer_records_num<=0)
+			{
+				MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
+										RLOG_LV_FATAL,
+										"DO_ACTION",
+										"Hit policy_id: %d service: %d action: %d user_region: %s domain: %s qtype: %d addr: %s",
+										p_result->config_id,
+										p_result->service_id,
+										p_result->action,
+										(tmp_buff==NULL) ? p_result->service_defined : tmp_buff,
+										(char *)dns_info->query_question.qname,
+										dns_info->query_question.qtype,
+										PRINTADDR(a_stream, g_fw_dns_plug_info.level)
+									);
+				state=PROT_STATE_GIVEME|PROT_STATE_DROPPKT;
+				break;
 			}
 			
 			memset(cheat_pkt_payload, 0, MAX_CHEAT_PKT_PAYLOAD_LEN);
-
 			dns_hdr = (dns_hdr_t *)cheat_pkt_payload;
 			dns_hdr->id = dns_info->hdr_info.id;
 			dns_hdr->qdcount = 1;
-				dns_hdr->ancount = used_num;
+			dns_hdr->ancount = answer_records_num;
 			
-				payload_len=build_cheat_pkt(cheat_pkt_payload, MAX_CHEAT_PKT_PAYLOAD_LEN, &dns_info->query_question, cheat_opt, used_num);
+			payload_len=build_cheat_pkt(cheat_pkt_payload, MAX_CHEAT_PKT_PAYLOAD_LEN, &dns_info->query_question, cheat_opt, answer_records_num);
 			if(payload_len==-1)
 			{
-					return -1;
+				MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
+							RLOG_LV_FATAL,
+							"DO_ACTION",
+							"Hit policy_id: %d service: %d action: %d build_cheat_pkt ret: %d addr: %s",
+							p_result->config_id,
+							p_result->service_id,
+							p_result->action,
+							payload_len,
+							PRINTADDR(a_stream, g_fw_dns_plug_info.level)
+							);
+				break;
 			}
 
+            if(dns_info->hdr_info.qr==0)
+            {
 			    senddir = MESA_dir_reverse(a_stream->routedir);
+            }
+            else
+            {
+                senddir = a_stream->routedir;
+            }
 			ret=MESA_inject_pkt(a_stream, (const char *)cheat_pkt_payload, payload_len, (const char *)a_packet, senddir);
 			if(ret<0)
 			{
@@ -223,35 +280,27 @@ static char fw_dns_action(struct streaminfo *a_stream, dns_info_t *dns_info, Maa
 											dns_info->query_question.qtype,
 											p_result->config_id,
 											p_result->service_id,
-												printaddr(&a_stream->addr, a_stream->threadnum)
+											PRINTADDR(a_stream, g_fw_dns_plug_info.level)
 											);
 			}
-
-				state=PROT_STATE_DROPME|PROT_STATE_DROPPKT;
-			}
-			else
-			{
-				MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
-										RLOG_LV_FATAL,
-										"DO_ACTION",
-										"Hit policy_id: %d service: %d action: %d user_reagion: %s domain: %s qtype: %d addr: %s",
-										p_result->config_id,
-										p_result->service_id,
-										p_result->action,
-										(tmp_buff==NULL) ? p_result->service_defined : tmp_buff,
-										(char *)dns_info->query_question.qname,
-										dns_info->query_question.qtype,
-										printaddr(&a_stream->addr, a_stream->threadnum)
-									);
-				state=PROT_STATE_GIVEME;
-			}
+			state=PROT_STATE_GIVEME|PROT_STATE_DROPPKT;
 			break;
 		default:
 			break;
 	}
 
+	if(object!=NULL)
+	{
 		cJSON_Delete(object);
 		object=NULL;
+	}
+	
+	if(tmp_buff!=NULL)
+	{
+		free(tmp_buff);
+		tmp_buff=NULL;
+	}
+	
 	return state;
 }
 
@@ -302,10 +351,11 @@ static int fw_dns_send_log(struct streaminfo *a_stream, dns_info_t *dns_info, st
 	}
 
 	cname=cJSON_PrintUnformatted(cname_array);
-	if(strlen(cname)>0)
+	if(cname!=NULL && strlen(cname)>0)
 	{
 		TLD_append(handle, (char *)"dns_cname", (void *)cname, TLD_TYPE_STRING);
-		free(cname);
+		cJSON_free(cname);
+		cname=NULL;
 	}
 	cJSON_Delete(cname_array);
 	cname_array=NULL;
@@ -314,7 +364,11 @@ static int fw_dns_send_log(struct streaminfo *a_stream, dns_info_t *dns_info, st
 	get_rr_str2json(object, dns_info, &dns_sec);
 	rr_buf=cJSON_PrintUnformatted(object);
 	TLD_append(handle, (char *)"dns_rr", (void *)rr_buf, TLD_TYPE_STRING);
-	free(rr_buf);
+	
+	cJSON_Delete(object);
+	object=NULL;
+
+	cJSON_free(rr_buf);
 	rr_buf=NULL;
 	
 	TLD_append(handle, (char *)"dns_sub", (void *)(long)dns_sec, TLD_TYPE_LONG);
@@ -332,20 +386,27 @@ static int fw_dns_send_log(struct streaminfo *a_stream, dns_info_t *dns_info, st
 
 extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int thread_seq,struct streaminfo *a_stream,const void *a_packet)
 {
-	int ret=0,hit_num=0;
+	int i=0,ret=0,hit_num=0;
 	scan_status_t mid=NULL;
+	int category_id_num=0;
 	char state=PROT_STATE_GIVEME;
+	unsigned int category_id[MAX_CATEGORY_ID_NUM]={0};
 	struct Maat_rule_t result[MAX_RESULT_NUM], *p_result=NULL;
 	dns_info_t *dns_info=(dns_info_t *)session_info->app_info;
 
-	if(dns_info==NULL || strlen((char *)dns_info->query_question.qname)==0)
+	if(dns_info==NULL || a_stream==NULL)
+	{
+		return state;
+	}
+	
+	if(strlen((char *)dns_info->query_question.qname)==0)
 	{		
 		MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
-					RLOG_LV_FATAL,
+									RLOG_LV_DEBUG,
 									"DNS_PLUG",
 									"Qname is %s, addr: %s",
 									(dns_info==NULL) ? "NULL" : ((strlen((char *)dns_info->query_question.qname)==0) ? "NULL" : (char *)dns_info->query_question.qname),
-					printaddr(&a_stream->addr, thread_seq)
+									PRINTADDR(a_stream, g_fw_dns_plug_info.level)
 								);
 		return state;
 	}
@@ -362,7 +423,7 @@ extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int
 									result[hit_num].action,
 									(char *)dns_info->query_question.qname,
 									dns_info->query_question.qtype,
-								printaddr(&a_stream->addr, thread_seq)
+									PRINTADDR(a_stream, g_fw_dns_plug_info.level)
 								);
 		hit_num+=ret;
 	}
@@ -375,7 +436,7 @@ extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int
 									(char *)dns_info->query_question.qname,
 									dns_info->query_question.qtype,
 									ret,
-								printaddr(&a_stream->addr, thread_seq)
+									PRINTADDR(a_stream, g_fw_dns_plug_info.level)
 								);
 								
 	}
@@ -389,7 +450,8 @@ extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int
 									NULL,
 									MAX_RESULT_NUM-hit_num,
 									&mid,
-							thread_seq);
+									thread_seq
+								);
 
 	if(ret>0)
 	{
@@ -402,7 +464,7 @@ extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int
 									result[hit_num].config_id,
 									result[hit_num].service_id,
 									result[hit_num].action,
-								printaddr(&a_stream->addr, thread_seq)
+									PRINTADDR(a_stream, g_fw_dns_plug_info.level)
 								);
 		hit_num+=ret;
 	}
@@ -415,11 +477,45 @@ extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int
 									(char *)dns_info->query_question.qname,
 									dns_info->query_question.qtype,
 									ret,
-								printaddr(&a_stream->addr, thread_seq)
+									PRINTADDR(a_stream, g_fw_dns_plug_info.level)
 								);
 								
 	}
 
+	category_id_num=tsg_get_fqdn_category_id(g_tsg_maat_feather, (char *)dns_info->query_question.qname, category_id, MAX_CATEGORY_ID_NUM, g_fw_dns_plug_info.logger, thread_seq);
+	for(i=0; i< category_id_num; i++)
+	{
+		ret=Maat_scan_intval(g_tsg_maat_feather, g_fw_dns_plug_info.table_qname_id, (unsigned int)category_id[i], result+hit_num,MAX_RESULT_NUM-hit_num, &mid, thread_seq);
+		if(ret>0)
+		{
+			MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
+										RLOG_LV_DEBUG,
+										"SCAN_FQDN_CAT_ID",
+										"Hit qname: %s category id: %d policy_id: %d service: %d action: %d addr: %s",
+										(char *)dns_info->query_question.qname,
+										category_id[i],
+										result[hit_num].config_id,
+										result[hit_num].service_id,
+										result[hit_num].action,
+										PRINTADDR(a_stream, g_fw_dns_plug_info.level)
+									);
+			hit_num+=ret;
+		}
+		else
+		{
+			MESA_handle_runtime_log(g_fw_dns_plug_info.logger, 
+										RLOG_LV_DEBUG,
+										"SCAN_DOMAIN",
+										"Scan domain: %s category id: %d ret: %d addr: %s",
+										(char *)dns_info->query_question.qname,
+										category_id[i],
+										ret,
+										PRINTADDR(a_stream, g_fw_dns_plug_info.level)
+									);
+									
+		}
+	}
+	
 	if(hit_num>0)
 	{
 		p_result=tsg_fetch_deny_rule(result, hit_num);
@@ -446,20 +542,19 @@ extern "C" char FW_DNS_PLUG_ENTRY(stSessionInfo* session_info,  void **pme, int
 
 extern "C" int FW_DNS_PLUG_INIT(void)
 {
-	int level=30,ret=0;
-	char log_path[256]={0};
+	int ret=0,len=0;
 	memset(&g_fw_dns_plug_info, 0, sizeof(g_fw_dns_plug_info));
 
-	MESA_load_profile_int_def(g_fw_dns_conffile, "DNS_PLUG", "LOG_LEVEL", &level, 30);
-	MESA_load_profile_string_def(g_fw_dns_conffile, "DNS_PLUG", "LOG_PATH", log_path, sizeof(log_path), "tsglog/fw_dns_plug/fw_dns_plug");
+	MESA_load_profile_int_def(g_fw_dns_conffile, "DNS_PLUG", "LOG_LEVEL", &g_fw_dns_plug_info.level, RLOG_LV_FATAL);
+	MESA_load_profile_string_def(g_fw_dns_conffile, "DNS_PLUG", "LOG_PATH", g_fw_dns_plug_info.log_path, sizeof(g_fw_dns_plug_info.log_path), "tsglog/fw_dns_plug/fw_dns_plug");
 
 
 	MESA_load_profile_string_def(g_fw_dns_conffile, "DNS_PLUG", "TABLE_QNAME", g_fw_dns_plug_info.table_qname, MAX_TABLE_NAME_LEN, "TSG_FIELD_DNS_QNAME");
 
-	g_fw_dns_plug_info.logger=MESA_create_runtime_log_handle(log_path, level);
+	g_fw_dns_plug_info.logger=MESA_create_runtime_log_handle(g_fw_dns_plug_info.log_path, g_fw_dns_plug_info.level);
 	if(g_fw_dns_plug_info.logger==NULL)
 	{
-		printf("MESA_create_runtime_log_handle failed, log_path: %s level: %d", (log_path==NULL) ? NULL : log_path, level);
+		printf("MESA_create_runtime_log_handle failed, log_path: %s level: %d", (g_fw_dns_plug_info.log_path==NULL) ? NULL : g_fw_dns_plug_info.log_path, g_fw_dns_plug_info.level);
 		return -1;
 	}
 
@@ -476,6 +571,20 @@ extern "C" int FW_DNS_PLUG_INIT(void)
 		return -1;
 	}
 
+	len=sizeof(g_fw_dns_plug_info.s_mode);
+	ret=sapp_get_platform_opt(SPO_DEPLOYMENT_MODE_STR, g_fw_dns_plug_info.s_mode, &len);
+	if(ret>=0)
+	{
+		if((memcmp(g_fw_dns_plug_info.s_mode, "mirror", strlen(g_fw_dns_plug_info.s_mode)))==0 || (memcmp(g_fw_dns_plug_info.s_mode, "dumpfile", strlen(g_fw_dns_plug_info.s_mode)))==0)
+		{
+			g_fw_dns_plug_info.mode=0;
+		}
+		else
+		{
+			g_fw_dns_plug_info.mode=1;
+		}
+	}
+	
 	return 0;
 }
 

src/fw_dns_plug.h

@@ -5,10 +5,14 @@
 
 #define	MAX_ANSWER_RECORDS_NUM	32
 
-struct _fw_dns_plug
+struct fw_dns_plug
 {
+	int mode;
+	int level;
 	int table_qname_id;
 	char table_qname[MAX_TABLE_NAME_LEN];
+	char s_mode[MAX_TABLE_NAME_LEN];
+	char log_path[MAX_TABLE_NAME_LEN*2];
 	void *logger;
 };
 

src/fw_dns_rule.cpp

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <time.h>
 #include <arpa/inet.h>
 
 #include <MESA/stream.h>
@@ -12,10 +13,10 @@
 #include "tsg_rule.h"
 #include "fw_dns_rule.h"
 
-fw_dns_rule_t g_fw_dns_rule_info;
+struct fw_dns_rule g_fw_dns_rule_info;
 char FW_DNS_RULE_VERSION_20191201=0;
 
-struct _dns_str2idx str2index[]={{DNS_TYPE_CNAME,	5, (char *)"CNAME"},
+struct dns_str2idx str2index[]={{DNS_TYPE_CNAME,	5, (char *)"CNAME"},
 								{DNS_TYPE_MX,	2, (char *)"MX"},
 								{DNS_TYPE_A, 	1, (char *)"A"},
 								{DNS_TYPE_NS,	2, (char *)"NS"},
@@ -28,7 +29,7 @@ int fw_dns_type2index(char *type)
 {
 	int i=0;
 	
-	for(i=0; i<(int)(sizeof(str2index)/sizeof(struct _dns_str2idx)); i++)
+	for(i=0; i<(int)(sizeof(str2index)/sizeof(struct dns_str2idx)); i++)
 	{
 		if(str2index[i].len==(int)strlen(type) && (strncasecmp(str2index[i].type, type, str2index[i].len))==0)
 		{
@@ -39,65 +40,31 @@ int fw_dns_type2index(char *type)
 	return -1;
 }
 
-int get_cheat_opt(int record_id, int select_num, int ttl, int atype, cheat_pkt_opt_t* cheat_opt, int cheat_opt_num)
-{
-	int i=0,idx=0;
-	int used_num=0,real_num=0;
-	cb_rule_t *cb_rule=NULL;
-	
-	real_num=(select_num>cheat_opt_num) ? cheat_opt_num : select_num;
-	
-	cb_rule=(cb_rule_t *)Maat_plugin_get_EX_data(g_tsg_maat_feather, g_fw_dns_rule_info.table_records_id, (char *)&record_id);
-	if(cb_rule!=NULL && real_num>0)
-	{
-		idx = (cb_rule->record_num>=real_num) ? (random()%(cb_rule->record_num-real_num+1)) : 0;
-		for(i=0; i<real_num && i+idx<cb_rule->record_num; i++)
-		{
-			cheat_opt[used_num].ttl=ttl;
-			cheat_opt[used_num].res_type=atype;
-			cheat_opt[used_num].cfg_type=atype;
-			switch(atype)
-			{
-				case	DNS_TYPE_A:
-					cheat_opt[used_num].res_len=sizeof(unsigned int);
-					break;
-				case	DNS_TYPE_AAAA:
-					cheat_opt[used_num].res_len=IPV6_ADDR_LEN;
-					break;
-				default:					
-					cheat_opt[used_num].res_len=MIN(strlen((char *)(cb_rule->record_values[i+idx])), sizeof(cheat_opt[used_num].res_info)-1);
-					break;
-			}
-			
-			memcpy(cheat_opt[used_num].res_info, (char *)(cb_rule->record_values[i+idx]), cheat_opt[used_num].res_len);
-			used_num++;
-		}
-	}
-	
-	return used_num;
-}
-
-
 void fw_dns_EX_data_create(int table_id, const char* key, const char* table_line, MAAT_PLUGIN_EX_DATA* ad, long argl, void *argp)
 {
 	int i=0;
-	cJSON *pSub=NULL;
-	cb_rule_t *cb_rule=(cb_rule_t *)calloc(1, sizeof(cb_rule_t));
+	cJSON *one_record=NULL,*pSub=NULL;
+
+	struct dns_records *records=(struct dns_records *)calloc(1, sizeof(struct dns_records));
 	char *tmp_records=(char *)calloc(1, strlen(table_line)+1);		
+	sscanf(table_line, "%d	%s	%s	%s	%d", &records->record_id, records->record_name, records->record_type, tmp_records, &records->is_valid);
 
-	sscanf(table_line, "%d	%s	%s	%s	%d", &cb_rule->record_id, cb_rule->record_name, cb_rule->record_type, tmp_records, &cb_rule->is_valid);
-
-	int index=fw_dns_type2index(cb_rule->record_type);
-
+	int index=fw_dns_type2index(records->record_type);
 	cJSON *tmp_array=cJSON_Parse(tmp_records);	
-	if(tmp_array != NULL)
+	if(tmp_array!=NULL)
 	{
-		cb_rule->record_num=cJSON_GetArraySize(tmp_array);
-		*cb_rule->record_values=(void *)malloc(cb_rule->record_num*sizeof(void *));
+		records->record_num=cJSON_GetArraySize(tmp_array);
+		records->record_values=(void **)malloc(records->record_num*sizeof(void *));
 		
-		for(i=0; i<cb_rule->record_num; i++)
+		for(i=0; i<records->record_num; i++)
 		{
-			pSub = cJSON_GetArrayItem(tmp_array, i);
+			one_record=cJSON_GetArrayItem(tmp_array, i);
+			if(one_record==NULL)
+			{
+				continue;
+			}
+			
+			pSub=cJSON_GetObjectItem(one_record, "value");
 			if(NULL==pSub )
 			{
 				continue; 
@@ -106,12 +73,12 @@ void fw_dns_EX_data_create(int table_id, const char* key, const char* table_line
 			switch(index)
 			{
 				case	DNS_TYPE_A:
-					cb_rule->record_values[i]=calloc(1, sizeof(unsigned int));
-					inet_pton(AF_INET, pSub->valuestring, cb_rule->record_values[i]);
+					records->record_values[i]=calloc(1, sizeof(unsigned int));
+					inet_pton(AF_INET, pSub->valuestring, records->record_values[i]);
 					break;
 				case	DNS_TYPE_AAAA:
-					cb_rule->record_values[i]=calloc(1, IPV6_ADDR_LEN);
-					inet_pton(AF_INET6, pSub->valuestring, cb_rule->record_values[i]);
+					records->record_values[i]=calloc(1, IPV6_ADDR_LEN);
+					inet_pton(AF_INET6, pSub->valuestring, records->record_values[i]);
 					break;
 				case	DNS_TYPE_MX:
 					break;
@@ -119,45 +86,141 @@ void fw_dns_EX_data_create(int table_id, const char* key, const char* table_line
 				case	DNS_TYPE_TXT:
 				case	DNS_TYPE_PTR:
 				case	DNS_TYPE_CNAME:
-					cb_rule->record_values[i]=calloc(1, strlen(pSub->valuestring)+1);
-					memcpy(cb_rule->record_values[i], pSub->valuestring, strlen(pSub->valuestring));
+					records->record_values[i]=calloc(1, strlen(pSub->valuestring)+1);
+					memcpy(records->record_values[i], pSub->valuestring, strlen(pSub->valuestring));
 					break;
 				default:
 					continue;	
 			}
 		}
+
+		records->table_id=table_id;
+		atomic_inc(&records->ref_cnt);
+		(*ad)=(MAAT_PLUGIN_EX_DATA)(records);
+
+		cJSON_Delete(tmp_array);
+		tmp_array=NULL;
+	}
+	else
+	{
+		free(records);
+		records=NULL;
 	}
 
 	free(tmp_records);
+	tmp_records=NULL;
+
+	return ;
 }
 
 void fw_dns_EX_data_free(int table_id, MAAT_PLUGIN_EX_DATA* ad, long argl, void *argp)
 {
 	int i=0;
-	cb_rule_t *cb_rule=(cb_rule_t *)*ad;
+	struct dns_records *records=(struct dns_records *)*ad;
 	
-	if(cb_rule!=NULL)
+	if(records!=NULL)
 	{
-		for(i=0; i<cb_rule->record_num; i++)
+		atomic_dec(&records->ref_cnt);
+		if(records->ref_cnt<=0)
 		{
-			free(cb_rule->record_values[i]);
-			cb_rule->record_values[i]=NULL;
+			for(i=0; i<records->record_num; i++)
+			{
+				free(records->record_values[i]);
+				records->record_values[i]=NULL;
 			}
-		free(*cb_rule->record_values);
-		*cb_rule->record_values=NULL;
 			
-		free(cb_rule);
-		cb_rule=NULL;
+			free(*records->record_values);
+			*records->record_values=NULL;
+
+			free(records);
+			records=NULL;
 		}
+	}
+
+	return ;
 }
+
 void fw_dns_EX_data_dup(int table_id, MAAT_PLUGIN_EX_DATA *to, MAAT_PLUGIN_EX_DATA *from, long argl, void *argp)
 {
+	struct dns_records *records=(struct dns_records *)(*from);
+
+	if(records!=NULL)
+	{
+		atomic_inc(&records->ref_cnt);
+		(*to)=(*from);
+	}
+
+	return ;
+}
+
+static int set_one_cheat_opt(cheat_pkt_opt_t *cheat_opt, int ttl, int atype, char *record_values)
+{
+	cheat_opt->ttl=ttl;
+	cheat_opt->res_type=atype;
+	cheat_opt->cfg_type=atype;
+	
+	switch(atype)
+	{
+		case	DNS_TYPE_A:
+			cheat_opt->res_len=sizeof(unsigned int);
+			break;
+		case	DNS_TYPE_AAAA:
+			cheat_opt->res_len=IPV6_ADDR_LEN;
+			break;
+		case	DNS_TYPE_NS:
+		case	DNS_TYPE_TXT:
+		case	DNS_TYPE_PTR:
+		case	DNS_TYPE_CNAME: 				
+			cheat_opt->res_len=MIN(strlen(record_values), sizeof(cheat_opt->res_info)-1);
+			break;
+		default:					
+			return 0;
+	}
+	
+	memcpy(cheat_opt->res_info, record_values, cheat_opt->res_len);
+	
+	return 1;
 
 }
 
-int fw_dns_EX_data_key2index(const char* key)
+int dns_get_cheat_opt(int record_id, int select_num, int ttl, int atype, cheat_pkt_opt_t* cheat_opt, int cheat_opt_num)
 {
+	int i=0,idx=0;
+	char record_id_str[32]={0};
+	int used_num=0,real_num=0;
+	struct dns_records *records=NULL;
+	
+	real_num=MIN(select_num, cheat_opt_num);
+	if(real_num<=0)
+	{
 		return 0;
+	}
+	
+	snprintf(record_id_str, sizeof(record_id_str), "%d", record_id);
+	records=(struct dns_records *)Maat_plugin_get_EX_data(g_tsg_maat_feather, g_fw_dns_rule_info.table_records_id, record_id_str);
+	if(records!=NULL)
+	{ 
+		if(records->record_num<=real_num)
+		{
+			for(i=0; i<records->record_num; i++)
+			{
+				used_num+=set_one_cheat_opt(&(cheat_opt[used_num]), ttl, atype, (char *)(records->record_values[i]));
+			}
+		}
+		else
+		{
+			srand(time(0));
+			idx=rand()%(records->record_num-real_num+1);
+			for(i=0; i<real_num; i++)
+			{
+				used_num+=set_one_cheat_opt(&(cheat_opt[used_num]), ttl, atype, (char *)(records->record_values[idx+i]));
+			}
+		}
+
+		fw_dns_EX_data_free(records->table_id, (MAAT_PLUGIN_EX_DATA *)&records, 0, NULL);
+	}
+	
+	return used_num;
 }
 
 
@@ -181,7 +244,7 @@ int fw_dns_rule_init(const char *conffile, void *logger)
 								fw_dns_EX_data_create,
 								fw_dns_EX_data_free,
 								fw_dns_EX_data_dup,
-								fw_dns_EX_data_key2index,
+								NULL,
 								arg, 
 								NULL);
 

src/fw_dns_rule.h

@@ -1,36 +1,51 @@
 #ifndef	__FW_DNS_RULE_H__
 #define	__FW_DNS_RULE_H__
 
+#if(__GNUC__ * 100 + __GNUC_MINOR__ * 10 + __GNUC_PATCHLEVEL__ >= 411)
+#define atomic_inc(x) __sync_add_and_fetch((x),1)
+#define atomic_dec(x) __sync_sub_and_fetch((x),1)
+#define atomic_add(x,y) __sync_add_and_fetch((x),(y))
+#define atomic_sub(x,y) __sync_sub_and_fetch((x),(y))
+typedef int atomic_t;
+#define ATOMIC_INIT(i)  { (i) }
+#define atomic_read(x) __sync_add_and_fetch((x),0)
+#define atomic_set(x,y) __sync_lock_test_and_set((x),y)
+#else 
+#include <alsa/iatomic.h>
+#endif 
+
 #define	MIN(a, b) ((a>b) ? b: a)
 
 #define	MAX_TABLE_NAME_LEN	32
 
-struct _dns_str2idx
+struct dns_str2idx
 {
 	int index;
 	int len;
 	char *type;
 };
 
-typedef struct _cb_rule
+struct dns_records
 {
+	int ref_cnt;
 	int record_id;
 	int record_num;
 	int is_valid;
+	int table_id;
 	char record_type[128];
 	char record_name[MAX_TABLE_NAME_LEN];
 	void **record_values;
-}cb_rule_t;
+};
 
-typedef struct _fw_dns_rule
+struct fw_dns_rule
 {
 	int table_records_id;
 	char table_records_name[MAX_TABLE_NAME_LEN];
-}fw_dns_rule_t;
+};
 
 
 int fw_dns_type2index(char *type);
 int fw_dns_rule_init(const char *conffile, void *logger);
-int get_cheat_opt(int record_id, int select_num, int ttl, int atype, cheat_pkt_opt_t* cheat_opt, int cheat_opt_num);
+int dns_get_cheat_opt(int record_id, int select_num, int ttl, int atype, cheat_pkt_opt_t* cheat_opt, int cheat_opt_num);
 	
 #endif