* update cmake

CMakeLists.txt

@@ -12,6 +12,7 @@ option(WITH_HARDENING "Enable hardening options" ON)
 option(WITH_PCRE      "Build pcre-compatible filter" ON)
 option(WITH_REDIS     "Build redis source/backend" OFF)
 option(WITH_MCAST     "Build mcast source/backend" OFF)
+option(WITH_IPSET     "Build native ipset backend" OFF)
 
 if (NOT DEFINED CMAKE_INSTALL_PREFIX)
   set(CMAKE_INSTALL_PREFIX "/usr")
@@ -54,6 +55,7 @@ message(STATUS "- WITH_HARDENING : ${WITH_HARDENING}")
 message(STATUS "- WITH_PCRE      : ${WITH_PCRE}")
 message(STATUS "- WITH_REDIS     : ${WITH_REDIS}")
 message(STATUS "- WITH_MCAST     : ${WITH_MCAST}")
+message(STATUS "- WITH_IPSET     : ${WITH_IPSET}")
 message(STATUS "Components:")
 
 add_subdirectory(src)

src/backends/CMakeLists.txt

@@ -17,6 +17,13 @@ if (WITH_REDIS AND REDIS_FOUND)
   list(APPEND BACKENDS "f2b_backend_redis")
 endif ()
 
+find_library(IPSET_FOUND "ipset")
+if (WITH_IPSET AND IPSET_FOUND)
+  add_library("f2b_backend_ipset" MODULE "ipset.c" "../strlcpy.c")
+  target_link_libraries("f2b_backend_ipset" "ipset")
+  list(APPEND BACKENDS "f2b_backend_ipset")
+endif ()
+
 message(STATUS "- Backends : ${BACKENDS}")
 
 install(TARGETS ${BACKENDS}