Start implemetation of static analysis plugin

1 files changed, 59 insertions, 53 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e1af8555..f6b916f1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,6 +46,7 @@ OPTION(INSTALL_EXAMPLES    "Install examples [default: OFF]"
 OPTION(INSTALL_WEBUI       "Install web interface [default: ON]"                ON)
 OPTION(WANT_SYSTEMD_UNITS  "Install systemd unit files on Linux [default: OFF]" OFF)
 OPTION(ENABLE_SNOWBALL     "Enable snowball stemmer [default: ON]"              ON)
+OPTION(ENABLE_CLANG_PLUGIN "Enable clang static analysing plugin [default: OFF]" OFF)
 
 # Build optimized code for following CPU (default i386)
 #SET(CPU_TUNE               "i686")
@@ -171,23 +172,23 @@ MACRO(FindLua)
 		  HINTS
 		  "${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
 		  $ENV{LUA_DIR}
-		  PATH_SUFFIXES "include/luajit-2.0" 
-						"include/luajit${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}" 
-						"include/luajit${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+		  PATH_SUFFIXES "include/luajit-2.0"
+						"include/luajit${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+						"include/luajit${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 						"include/luajit-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
-						"include/luajit" 
-						"include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}" 
-						"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+						"include/luajit"
+						"include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+						"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 						"include/lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 						include/lua include
 		  PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
 		)
-		FIND_LIBRARY(LUA_LIBRARY 
-			NAMES luajit 
+		FIND_LIBRARY(LUA_LIBRARY
+			NAMES luajit
 				"luajit-2.0"
 				"luajit2.0"
 				"luajit${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
-				"luajit${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+				"luajit${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 				"luajit-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 			HINTS
 				"${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
@@ -196,7 +197,7 @@ MACRO(FindLua)
 			PATHS ${RSPAMD_DEFAULT_LIBRARY_PATHS}
 			DOC "Lua library"
 		)
-		
+
 		IF(NOT LUA_LIBRARY OR NOT LUA_INCLUDE_DIR)
 			MESSAGE(STATUS "Fallback from luajit to plain lua")
 			SET(ENABLE_LUAJIT "OFF")
@@ -205,16 +206,16 @@ MACRO(FindLua)
 			  HINTS
 			  "${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
 			  $ENV{LUA_DIR}
-			  PATH_SUFFIXES "include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}" 
-							"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+			  PATH_SUFFIXES "include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+							"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 							"include/lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 							include/lua include
 			  PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
 			)
-			FIND_LIBRARY(LUA_LIBRARY 
-				NAMES lua 
+			FIND_LIBRARY(LUA_LIBRARY
+				NAMES lua
 					"lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
-					"lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+					"lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 					"lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 				HINTS
 					"${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
@@ -230,16 +231,16 @@ MACRO(FindLua)
 		  HINTS
 		  "${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
 		  $ENV{LUA_DIR}
-		  PATH_SUFFIXES "include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}" 
-						"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+		  PATH_SUFFIXES "include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+						"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 						"include/lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 						include/lua include
 		  PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
 		)
-		FIND_LIBRARY(LUA_LIBRARY 
-			NAMES lua 
+		FIND_LIBRARY(LUA_LIBRARY
+			NAMES lua
 				"lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
-				"lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}" 
+				"lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 				"lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
 			HINTS
 				"${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
@@ -300,13 +301,13 @@ ENDFUNCTION(INSTALL_IF_NOT_EXISTS)
 # OPTIONAL - do not fail if a package has not been found
 # ROOT - defines root directory for a package
 # INCLUDE - name of the include file to check
-# LIBRARY - name of the library to check 
+# LIBRARY - name of the library to check
 # INCLUDE_SUFFIXES - list of include suffixes (relative to ROOT)
 # LIB_SUFFIXES - list of library suffixes
 # MODULES - modules to search using pkg_config
 MACRO(ProcessPackage PKG_NAME)
 
-	CMAKE_PARSE_ARGUMENTS(PKG "OPTIONAL" "ROOT;INCLUDE" 
+	CMAKE_PARSE_ARGUMENTS(PKG "OPTIONAL" "ROOT;INCLUDE"
 		"LIBRARY;INCLUDE_SUFFIXES;LIB_SUFFIXES;MODULES" ${ARGN})
 
 	IF(NOT PKG_LIBRARY)
@@ -319,7 +320,7 @@ MACRO(ProcessPackage PKG_NAME)
 	IF(NOT PKG_ROOT AND PKG_MODULES)
 		PKG_SEARCH_MODULE(${PKG_NAME} ${PKG_MODULES})
 	ENDIF()
-	
+
 	IF(${PKG_NAME}_FOUND)
 		MESSAGE(STATUS "Found package ${PKG_NAME} in pkg-config modules ${PKG_MODULES}")
 		SET(WITH_${PKG_NAME} 1 CACHE INTERNAL "")
@@ -359,7 +360,7 @@ MACRO(ProcessPackage PKG_NAME)
 					MESSAGE(FATAL_ERROR "Cannot find library ${PKG_LIBRARY} for package ${PKG_NAME}")
 				ENDIF()
 			ENDIF(NOT _lib)
-			
+
 			FIND_PATH(_incl ${PKG_INCLUDE}
 							HINTS ${PKG_ROOT} ${RSPAMD_SEARCH_PATH}
 							PATH_SUFFIXES ${PKG_INCLUDE_SUFFIXES} include
@@ -371,7 +372,7 @@ MACRO(ProcessPackage PKG_NAME)
 					MESSAGE(FATAL_ERROR "Cannot find header ${PKG_INCLUDE} for package ${PKG_NAME}")
 				ENDIF()
 			ENDIF(NOT _incl)
-			
+
 			IF(_incl AND _lib)
 				GET_FILENAME_COMPONENT(_lib_path "${_lib}" PATH)
 				INCLUDE_DIRECTORIES("${_incl}")
@@ -384,7 +385,7 @@ MACRO(ProcessPackage PKG_NAME)
 				SET(WITH_${PKG_NAME} 1 CACHE INTERNAL "")
 				MESSAGE(STATUS "Found package ${PKG_NAME} in '${_lib_path}' (${_lib}) and '${_incl}' (${PKG_INCLUDE}).")
 			ENDIF()
-		
+
 		ELSE()
 			MESSAGE(STATUS "Found package ${PKG_NAME} (cached)")
 			INCLUDE_DIRECTORIES("${${PKG_NAME}_INCLUDE}")
@@ -509,11 +510,11 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 		SET(CMAKE_C_FLAGS  "-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE ${CMAKE_C_FLAGS}")
 	ENDIF(BUILD_CPU_MODE STREQUAL "32")
 	# Workaround with architecture specific includes
-	IF(IS_DIRECTORY "/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/") 
+	IF(IS_DIRECTORY "/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/")
 		INCLUDE_DIRECTORIES("/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/")
 		LIST(APPEND CMAKE_REQUIRED_INCLUDES "/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/")
 	ENDIF(IS_DIRECTORY "/usr/include/${CMAKE_SYSTEM_PROCESSOR}-linux-gnu/")
-	
+
 	LIST(APPEND CMAKE_REQUIRED_LIBRARIES rt)
 	LIST(APPEND CMAKE_REQUIRED_LIBRARIES dl)
 	#XXX: gio bug workaround
@@ -533,7 +534,7 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 	IF(NOT BUILD_CPU_MODE)
 		SET (BUILD_CPU_MODE "32")
 	ENDIF(NOT BUILD_CPU_MODE)
-	
+
 	IF("${CMAKE_C_COMPILER_ID}" MATCHES SunPro)
 		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Xa -xregs=no%frameptr -xstrconst -xc99")
 		SET(SUN_BUILD32 "-xtarget=generic")
@@ -545,7 +546,7 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 		ENDIF(ENABLE_OPTIMIZATION MATCHES "ON")
 	ELSE("${CMAKE_C_COMPILER_ID}" MATCHES SunPro)
 		set(SUN_BUILD32 "-m32")
-		set(SUN_BUILD64 "-m64")		
+		set(SUN_BUILD64 "-m64")
 	ENDIF("${CMAKE_C_COMPILER_ID}" MATCHES SunPro)
 
 	IF (BUILD_CPU_MODE STREQUAL "32")
@@ -561,7 +562,7 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 	ENDIF (BUILD_CPU_MODE STREQUAL "32")
 
 	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D__EXTENSIONS__ -DSOLARIS -D_POSIX_SOURCE -D_POSIX_C_SOURCE=200112L")
-	
+
 	LIST(APPEND CMAKE_REQUIRED_LIBRARIES rt)
 	LIST(APPEND CMAKE_REQUIRED_LIBRARIES dl)
 	LIST(APPEND CMAKE_REQUIRED_LIBRARIES resolv)
@@ -600,15 +601,15 @@ ELSE(ENABLE_LUAJIT MATCHES "ON")
 	ENDIF(NOT LUA_FOUND)
 ENDIF(ENABLE_LUAJIT MATCHES "ON")
 
-ProcessPackage(GLIB2 LIBRARY glib-2.0 INCLUDE glib.h INCLUDE_SUFFIXES include/glib 
+ProcessPackage(GLIB2 LIBRARY glib-2.0 INCLUDE glib.h INCLUDE_SUFFIXES include/glib
 	ROOT ${GLIB_ROOT_DIR} MODULES glib-2.0>=2.28)
-ProcessPackage(PCRE LIBRARY pcre INCLUDE pcre.h INCLUDE_SUFFIXES include/pcre 
+ProcessPackage(PCRE LIBRARY pcre INCLUDE pcre.h INCLUDE_SUFFIXES include/pcre
 	ROOT ${PCRE_ROOT_DIR} MODULES pcre libpcre pcre3 libpcre3)
-ProcessPackage(GMIME LIBRARY gmime-2.6 gmime-2.4 gmime-2.2 gmime-2 INCLUDE gmime.h INCLUDE_SUFFIXES include/gmime 
+ProcessPackage(GMIME LIBRARY gmime-2.6 gmime-2.4 gmime-2.2 gmime-2 INCLUDE gmime.h INCLUDE_SUFFIXES include/gmime
 	ROOT ${GMIME_ROOT_DIR} MODULES gmime-2.6 gmime-2.4 gmime-2.0)
-ProcessPackage(LIBEVENT LIBRARY event INCLUDE event.h INCLUDE_SUFFIXES include/event 
+ProcessPackage(LIBEVENT LIBRARY event INCLUDE event.h INCLUDE_SUFFIXES include/event
 	ROOT ${LIBEVENT_ROOT_DIR} MODULES event libevent)
-ProcessPackage(SQLITE3 LIBRARY sqlite3 INCLUDE sqlite3.h INCLUDE_SUFFIXES include/sqlite3 include/sqlite 
+ProcessPackage(SQLITE3 LIBRARY sqlite3 INCLUDE sqlite3.h INCLUDE_SUFFIXES include/sqlite3 include/sqlite
 	ROOT ${SQLITE3_ROOT_DIR} MODULES sqlite3 sqlite)
 ProcessPackage(ICONV LIBRARY iconv libiconv libiconv-2 c INCLUDE iconv.h INCLUDE_SUFFIXES include/libiconv
 	ROOT ${ICONV_ROOT_DIR} MODULES iconv)
@@ -690,12 +691,12 @@ ENDIF(SUPPORT_PEDANTIC_FLAG)
 IF(SUPPORT_STD_FLAG)
 	SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -std=c99")
 ENDIF(SUPPORT_STD_FLAG)
- 
+
 CHECK_C_COMPILER_FLAG(-fPIC SUPPORT_FPIC)
 IF(SUPPORT_FPIC)
 	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 ENDIF(SUPPORT_FPIC)
- 
+
  # Optimization flags
 IF(NOT CMAKE_C_OPT_FLAGS)
 	IF(ENABLE_OPTIMIZATION MATCHES "ON")
@@ -710,7 +711,7 @@ IF(NOT CMAKE_C_OPT_FLAGS)
 ENDIF(NOT CMAKE_C_OPT_FLAGS)
 
 SET(CMAKE_C_FLAGS "${CMAKE_C_OPT_FLAGS} ${CMAKE_C_FLAGS} ${CMAKE_C_WARN_FLAGS}")
- 
+
 # Check platform specific includes
 CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
 CHECK_INCLUDE_FILES(sys/time.h  HAVE_SYS_TIME_H)
@@ -835,20 +836,20 @@ CHECK_SYMBOL_EXISTS(O_ASYNC "sys/types.h;sys/fcntl.h" HAVE_OASYNC)
 # Some PCRE implementations are lacking of pcre_jit_exec fast path
 SET(_PCRE_FAST_TEST "
 #include \"pcre.h\"
-int main (void) 
+int main (void)
 {
 	int rc;
 	int ovector[30];
 	pcre *re;
 	pcre_extra *extra;
 	pcre_jit_stack *jit_stack;
-	
+
 	re = pcre_compile(\"abc\", 0, NULL, NULL, NULL);
 	extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, NULL);
 	jit_stack = pcre_jit_stack_alloc(32*1024, 512*1024);
 	pcre_assign_jit_stack(extra, NULL, jit_stack);
 	rc = pcre_jit_exec(re, extra, \"abc\", 3, 0, 0, ovector, 30, jit_stack);
-	
+
 	return rc;
 }
 ")
@@ -928,13 +929,13 @@ IF(ENABLE_URL_INCLUDE MATCHES "ON")
 					DOC "Path where the libfetch library can be found")
 	IF(LIBFETCH_LIBRARY)
 		FIND_FILE(HAVE_FETCH_H HINTS "${RSPAMD_SEARCH_PATH}"
-			NAMES fetch.h 
+			NAMES fetch.h
 			PATH_SUFFIXES include
 			PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
 					DOC "Path to libfetch header")
 	ELSE(LIBFETCH_LIBRARY)
 		# Try to find libcurl
-		ProcessPackage(CURL LIBRARY curl INCLUDE curl.h INCLUDE_SUFFIXES include/curl 
+		ProcessPackage(CURL LIBRARY curl INCLUDE curl.h INCLUDE_SUFFIXES include/curl
 			ROOT ${CURL_ROOT})
 		IF(NOT WITH_CURL)
 			MESSAGE(WARNING "Neither libcurl nor libfetch were found, no support of URL includes in configuration")
@@ -951,14 +952,14 @@ SET(ID "unknown")
 FIND_PROGRAM(HG "git")
 
 IF(HG)
-	EXECUTE_PROCESS(COMMAND "${HG}" rev-parse --verify HEAD 
+	EXECUTE_PROCESS(COMMAND "${HG}" rev-parse --verify HEAD
 		WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
 		OUTPUT_VARIABLE HG_ID ERROR_QUIET)
 	IF(HG_ID)
 		STRING(SUBSTRING "${HG_ID}" 0 10 RSPAMD_ID)
 		MESSAGE(STATUS "Git revision: ${RSPAMD_ID}")
 	ELSE(HG_ID)
-		FIND_FILE(HG_ARCH ".hg_archival.txt" "${CMAKE_CURRENT_SOURCE_DIR}")   
+		FIND_FILE(HG_ARCH ".hg_archival.txt" "${CMAKE_CURRENT_SOURCE_DIR}")
 		IF(HG_ARCH)
 			FILE(READ ${HG_ARCH} HG_ID)
 			IF(HG_ID)
@@ -969,7 +970,7 @@ IF(HG)
 	ENDIF(HG_ID)
 ELSE(HG)
 # Now check .hg_archival.txt
-	FIND_FILE(HG_ARCH ".hg_archival.txt" "${CMAKE_CURRENT_SOURCE_DIR}")   
+	FIND_FILE(HG_ARCH ".hg_archival.txt" "${CMAKE_CURRENT_SOURCE_DIR}")
 	IF(HG_ARCH)
 		FILE(READ ${HG_ARCH} HG_ID)
 		IF(HG_ID)
@@ -1020,6 +1021,11 @@ ENDIF()
 ADD_SUBDIRECTORY(contrib/libucl)
 ADD_SUBDIRECTORY(contrib/librdns)
 ADD_SUBDIRECTORY(contrib/aho-corasick)
+
+IF(ENABLE_CLANG_PLUGIN MATCHES "ON")
+	ADD_SUBDIRECTORY(clang-plugin)
+ENDIF()
+
 ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(test)
 ADD_SUBDIRECTORY(utils)
@@ -1043,12 +1049,12 @@ INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${RULESDIR})")
 LIST(LENGTH CONFFILES CONFLIST_COUNT)
 MATH(EXPR CONFLIST_MAX ${CONFLIST_COUNT}-1)
 
-FILE(GLOB_RECURSE CONF_FILES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/conf" 
+FILE(GLOB_RECURSE CONF_FILES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/conf"
 	"${CMAKE_CURRENT_SOURCE_DIR}/conf/*" )
 FOREACH(CONF_FILE ${CONF_FILES})
 	GET_FILENAME_COMPONENT(_rp ${CONF_FILE} PATH)
 	INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${CONFDIR}/${_rp})")
-	INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/conf/${CONF_FILE}" 
+	INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/conf/${CONF_FILE}"
 		DESTINATION ${CONFDIR}/${_rp})
 ENDFOREACH(CONF_FILE)
 
@@ -1073,7 +1079,7 @@ ENDIF(INSTALL_EXAMPLES MATCHES "ON")
 
 # Lua plugins
 
-FILE(GLOB LUA_PLUGINS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/src/plugins/lua" 
+FILE(GLOB LUA_PLUGINS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/src/plugins/lua"
 	"${CMAKE_CURRENT_SOURCE_DIR}/src/plugins/lua/*.lua" )
 FOREACH(LUA_PLUGIN ${LUA_PLUGINS})
 	GET_FILENAME_COMPONENT(_rp ${LUA_PLUGIN} PATH)
@@ -1085,11 +1091,11 @@ ENDFOREACH(LUA_PLUGIN)
 INSTALL(FILES "contrib/lua-fun/fun.lua" DESTINATION ${PLUGINSDIR}/lua)
 
 # Install TLD list
-INSTALL(FILES "contrib/publicsuffix/effective_tld_names.dat" DESTINATION 
+INSTALL(FILES "contrib/publicsuffix/effective_tld_names.dat" DESTINATION
 	"${PLUGINSDIR}")
 
 # Lua config
-FILE(GLOB_RECURSE LUA_CONFIGS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/rules" 
+FILE(GLOB_RECURSE LUA_CONFIGS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/rules"
 	"${CMAKE_CURRENT_SOURCE_DIR}/rules/*.lua")
 FOREACH(LUA_CONF ${LUA_CONFIGS})
 	GET_FILENAME_COMPONENT(_rp ${LUA_CONF} PATH)
@@ -1121,4 +1127,4 @@ ADD_CUSTOM_TARGET(dist ${CMAKE_SOURCE_DIR}/dist.sh
 IF(NOT DEBIAN_BUILD)
 	ADD_CUSTOM_TARGET(check DEPENDS rspamd-test)
 	ADD_CUSTOM_TARGET(run-test DEPENDS check COMMAND test/rspamd-test)
-ENDIF(NOT DEBIAN_BUILD)
\ No newline at end of file
+ENDIF(NOT DEBIAN_BUILD)