Separate cmake files

6 files changed, 168 insertions, 0 deletions

diff --git a/cmake/FindCAP.cmake b/cmake/FindCAP.cmake
new file mode 100644
index 0000000..80afff3
--- /dev/null
+++ b/cmake/FindCAP.cmake
@@ -0,0 +1,16 @@
+FIND_PATH(CAP_INCLUDE_DIR sys/capability.h)
+FIND_LIBRARY(CAP_LIBRARY NAMES cap)
+
+IF (CAP_INCLUDE_DIR AND CAP_LIBRARY)
+   SET(CAP_FOUND TRUE)
+ENDIF (CAP_INCLUDE_DIR AND CAP_LIBRARY)
+
+IF (CAP_FOUND)
+   IF (NOT CAP_FIND_QUIETLY)
+      MESSAGE(STATUS "Found libcap: ${CAP_LIBRARY}; include path: ${CAP_INCLUDE_DIR}")
+   ENDIF (NOT CAP_FIND_QUIETLY)
+ELSE (CAP_FOUND)
+   IF (CAP_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could not find libcap")
+   ENDIF (CAP_FIND_REQUIRED)
+ENDIF (CAP_FOUND)
diff --git a/cmake/FindNaCl.cmake b/cmake/FindNaCl.cmake
new file mode 100644
index 0000000..6388df6
--- /dev/null
+++ b/cmake/FindNaCl.cmake
@@ -0,0 +1,16 @@
+FIND_PATH(NACL_INCLUDE_DIR crypto_secretbox_xsalsa20poly1305.h PATH_SUFFIXES nacl)
+FIND_LIBRARY(NACL_LIBRARY NAMES nacl)
+
+IF (NACL_INCLUDE_DIR AND NACL_LIBRARY)
+   SET(NACL_FOUND TRUE)
+ENDIF (NACL_INCLUDE_DIR AND NACL_LIBRARY)
+
+IF (NACL_FOUND)
+   IF (NOT NaCl_FIND_QUIETLY)
+      MESSAGE(STATUS "Found NaCl: Networking and Cryptography library: ${NACL_LIBRARY}; include path: ${NACL_INCLUDE_DIR}")
+   ENDIF (NOT NaCl_FIND_QUIETLY)
+ELSE (NACL_FOUND)
+   IF (NaCl_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could not find NaCl: Networking and Cryptography library")
+   ENDIF (NaCl_FIND_REQUIRED)
+ENDIF (NACL_FOUND)
diff --git a/cmake/checks.cmake b/cmake/checks.cmake
new file mode 100644
index 0000000..cd80856
--- /dev/null
+++ b/cmake/checks.cmake
@@ -0,0 +1,38 @@
+include(CheckCSourceCompiles)
+include(CheckPrototypeDefinition)
+include(CheckSymbolExists)
+include(CheckTypeSize)
+set(CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
+
+
+check_c_source_compiles("
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+int main() {
+	return AI_ADDRCONFIG;
+}
+" HAVE_AI_ADDRCONFIG)
+
+
+check_prototype_definition("get_current_dir_name" "char *get_current_dir_name(void)" "NULL" "unistd.h" HAVE_GET_CURRENT_DIR_NAME)
+
+
+set(RT_LIBRARY "")
+check_symbol_exists("clock_gettime" "time.h" HAVE_CLOCK_GETTIME)
+
+if(NOT HAVE_CLOCK_GETTIME)
+  set(RT_LIBRARY "rt")
+  list(APPEND CMAKE_REQUIRED_LIBRARIES "rt")
+
+  check_symbol_exists("clock_gettime" "time.h" HAVE_CLOCK_GETTIME_RT)
+  if(NOT HAVE_CLOCK_GETTIME_RT)
+      message(FATAL_ERROR "clock_gettime() not found")
+  endif(NOT HAVE_CLOCK_GETTIME_RT)
+endif(NOT HAVE_CLOCK_GETTIME)
+
+
+set(CMAKE_EXTRA_INCLUDE_FILES "netinet/if_ether.h")
+check_type_size("struct ethhdr" SIZEOF_ETHHDR)
+string(COMPARE NOTEQUAL "${SIZEOF_ETHHDR}" "" HAVE_ETHHDR)
diff --git a/cmake/config.cmake b/cmake/config.cmake
new file mode 100644
index 0000000..dd8d8c8
--- /dev/null
+++ b/cmake/config.cmake
@@ -0,0 +1,40 @@
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+  set(LINUX TRUE)
+else()
+  set(LINUX FALSE)
+endif()
+
+
+set(USE_BINDTODEVICE ${LINUX})
+set(USE_PMTU ${LINUX})
+set(USE_PKTINFO ${LINUX})
+
+if(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
+  set(USE_MULTIAF_BIND FALSE)
+else()
+  set(USE_MULTIAF_BIND TRUE)
+endif()
+
+set(WITH_CAPABILITIES ${LINUX} CACHE BOOL "Include support for POSIX capabilities")
+
+set(USE_LIBSODIUM FALSE CACHE BOOL "Use libsodium instead of NaCl")
+
+set(WITH_CMDLINE_USER TRUE CACHE BOOL "Include support for setting user/group related options on the command line")
+set(WITH_CMDLINE_LOGGING TRUE CACHE BOOL "Include support for setting logging related options on the command line")
+set(WITH_CMDLINE_OPERATION TRUE CACHE BOOL "Include support for setting options related to the VPN operation (like mode, interface, encryption method) on the command line")
+set(WITH_CMDLINE_COMMANDS TRUE CACHE BOOL "Include support for setting handler scripts (e.g. --on-up) on the command line")
+
+set(MAX_CONFIG_DEPTH 10 CACHE STRING "Maximum config include depth")
+
+set(WITH_CIPHER_AES128_CTR TRUE CACHE BOOL "Include the AES128-CTR cipher algorithm")
+set(WITH_CIPHER_AES128_CTR_NACL TRUE CACHE BOOL "Include the AES128-CTR implementation from the NaCl library")
+
+set(WITH_MAC_GHASH TRUE CACHE BOOL "Include the GHASH MAC algorithm")
+set(WITH_MAC_GHASH_BUILTIN TRUE CACHE BOOL "Include the built-in GHASH implementation")
+
+set(WITH_METHOD_XSALSA20_POLY1305 TRUE CACHE BOOL "Include xsalsa20-poly1305 method")
+set(WITH_METHOD_GENERIC_GCM TRUE CACHE BOOL "Include generic gcm method")
+
+
+# Ensure the value is numeric
+math(EXPR MAX_CONFIG_DEPTH_NUM ${MAX_CONFIG_DEPTH})
diff --git a/cmake/deps.cmake b/cmake/deps.cmake
new file mode 100644
index 0000000..e49efcd
--- /dev/null
+++ b/cmake/deps.cmake
@@ -0,0 +1,46 @@
+find_package(BISON 2.5 REQUIRED)
+
+set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
+find_package(Threads)
+if(NOT CMAKE_USE_PTHREADS_INIT)
+  MESSAGE(FATAL_ERROR "No pthread support found.")
+endif(NOT CMAKE_USE_PTHREADS_INIT)
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(UECC REQUIRED libuecc>=3)
+
+
+set(NACL_INCLUDE_DIRS "")
+set(NACL_CFLAGS_OTHER "")
+set(NACL_LIBRARY_DIRS "")
+set(NACL_LIBRARIES "")
+set(NACL_LDFLAGS_OTHER "")
+
+if(WITH_METHOD_XSALSA20_POLY1305 OR WITH_CIPHER_AES128_CTR_NACL)
+  if(USE_LIBSODIUM)
+    pkg_check_modules(SODIUM REQUIRED libsodium)
+
+    set(NACL_INCLUDE_DIRS "${SODIUM_INCLUDE_DIRS}")
+    foreach(dir "${SODIUM_INCLUDEDIR}" ${SODIUM_INCLUDE_DIRS})
+      list(APPEND NACL_INCLUDE_DIRS "${dir}/sodium")
+    endforeach(dir)
+
+    set(NACL_CFLAGS_OTHER "${SODIUM_CFLAGS_OTHER}")
+    set(NACL_LIBRARY_DIRS "${SODIUM_LIBRARY_DIRS}")
+    set(NACL_LIBRARIES "${SODIUM_LIBRARIES}")
+    set(NACL_LDFLAGS_OTHER "${SODIUM_LDFLAGS_OTHER}")
+  else(USE_LIBSODIUM)
+    find_package(NaCl REQUIRED)
+
+    set(NACL_INCLUDE_DIRS "${NACL_INCLUDE_DIR}")
+    set(NACL_LIBRARIES "${NACL_LIBRARY}")
+  endif(USE_LIBSODIUM)
+endif()
+
+
+if(WITH_CAPABILITIES)
+  find_package(CAP REQUIRED)
+else(WITH_CAPABILITIES)
+  set(CAP_INCLUDE_DIR "")
+  set(CAP_LIBRARY "")
+endif(WITH_CAPABILITIES)
diff --git a/cmake/generate_version.cmake b/cmake/generate_version.cmake
new file mode 100644
index 0000000..bf69bac
--- /dev/null
+++ b/cmake/generate_version.cmake
@@ -0,0 +1,12 @@
+set(VERSION_FILE "${FASTD_BINARY_DIR}/src/fastd_version.h")
+
+add_custom_target(
+    version
+    COMMAND echo "#ifndef _FASTD_FASTD_VERSION_H_" > "${VERSION_FILE}.new"
+    COMMAND echo "#define _FASTD_FASTD_VERSION_H_" >> "${VERSION_FILE}.new"
+    COMMAND sh -c "echo \"#define FASTD_VERSION \\\"$(git --git-dir=./.git describe --dirty 2>/dev/null || echo ${FASTD_VERSION})\\\"\"" >> "${VERSION_FILE}.new"
+    COMMAND echo "#endif /* _FASTD_FASTD_VERSION_H_ */" >> "${VERSION_FILE}.new"
+    COMMAND cmp -s "${VERSION_FILE}" "${VERSION_FILE}.new" && rm "${VERSION_FILE}.new" || mv "${VERSION_FILE}.new" "${VERSION_FILE}"
+    WORKING_DIRECTORY "${FASTD_SOURCE_DIR}"
+    VERBATIM
+)