Added Cmake support

AutoConf.cmake

@@ -0,0 +1,49 @@
+include(CheckIncludeFile)
+include(CheckFunctionExists)
+include(TestBigEndian)
+include(CheckCSourceCompiles)
+include(CheckStructHasMember)
+
+check_include_file(assert.h     HAVE_ASSERT_H)
+check_include_file(arpa/inet.h  HAVE_ARPA_INET_H)
+check_include_file(fcntl.h      HAVE_FCNTL_H)
+check_include_file(inttypes.h   HAVE_INTTYPES_H)
+check_include_file(memory.h     HAVE_MEMORY_H)
+check_include_file(netdb.h      HAVE_NETDB_H)
+check_include_file(netinet/in.h HAVE_NETINET_IN_H)
+check_include_file(stddef.h     HAVE_STDDEF_H)
+check_include_file(stdint.h     HAVE_STDINT_H)
+check_include_file(stdlib.h     HAVE_STDLIB_H)
+check_include_file(string.h     HAVE_STRING_H)
+check_include_file(strings.h    HAVE_STRINGS_H)
+check_include_file(time.h       HAVE_TIME_H)
+check_include_file(sys/param.h  HAVE_SYS_PARAM_H)
+check_include_file(sys/socket.h HAVE_SYS_SOCKET_H)
+check_include_file(sys/stat.h   HAVE_SYS_STAT_H)
+check_include_file(sys/types.h  HAVE_SYS_TYPES_H)
+check_include_file(sys/time.h   HAVE_SYS_TIME_H)
+check_include_file(unistd.h     HAVE_UNISTD_H)
+check_include_file(float.h      HAVE_FLOAT_H)
+check_include_file(dlfcn.h      HAVE_DLFCN_H)
+
+check_function_exists (memset         HAVE_MEMSET)
+check_function_exists (select         HAVE_SELECT)
+check_function_exists (socket         HAVE_SOCKET)
+check_function_exists (strdup         HAVE_STRDUP)
+check_function_exists (strerror       HAVE_STRERROR)
+check_function_exists (strnlen        HAVE_STRNLEN)
+check_function_exists (fls            HAVE_FLS)
+check_function_exists (vprintf        HAVE_VPRINTF)
+
+if( ${HAVE_STRING_H} AND ${HAVE_STRINGS_H} AND
+    ${HAVE_FLOAT_H} AND ${HAVE_STDLIB_H} AND
+    ${HAVE_STDDEF_H} AND ${HAVE_STDINT_H} AND
+     ${HAVE_INTTYPES_H} AND ${HAVE_DLFCN_H} )
+    set( STDC_HEADERS 1)
+endif()
+
+check_struct_has_member (struct sockaddr_in6.sin6_len netinet/in.h HAVE_SOCKADDR_IN6_SIN6_LEN)
+TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
+if(IS_BIG_ENDIAN)
+  set(WORDS_BIGENDIAN 1)
+endif()

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+
+include (AutoConf.cmake)
+
+option(BUILD_SHARED_LIBS "Link using shared libs" OFF)
+option(make_tests "Make test programs" OFF)
+
+if(NOT PLATFORM)
+   set(PLATFORM "posix" CACHE STRING "Choose platform." FORCE)
+   set_property(CACHE PLATFORM PROPERTY STRINGS "contiki" "espidf" "posix" "riot")
+endif()
+
+set(PACKAGE_NAME "tinydtls")
+set(PACKAGE_VERSION "0.8.6" )
+
+option(DTLS_ECC "disable support for TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8" ON )
+option(DTLS_PSK "disable support for TLS_PSK_WITH_AES_128_CCM_8" ON)
+
+configure_file(dtls_config.h.cmake.in dtls_config.h )
+
+file(GLOB SOURCE "*.c" "ecc/ecc.c" "aes/*.c" "sha2/sha2.c" "platform/dtls_prng_${PLATFORM}.c")
+
+add_library(tinydtls ${SOURCE})
+target_compile_options(tinydtls PRIVATE -Wall -pedantic -std=c99 -DSHA2_USE_INTTYPES_H -fPIC -pedantic -Wall -Wextra -Wformat-security -Winline -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wshadow -Wstrict-prototypes -Wswitch-default -Wswitch-enum -Wunused  -DDTLSv12 -DWITH_SHA256 -DDTLS_CHECK_CONTENTTYPE)
+target_compile_options(tinydtls PUBLIC -DDTLSv12 -DWITH_SHA256)
+target_include_directories(tinydtls PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+
+if( ${make_tests} )
+    add_subdirectory(tests)
+endif()
+
+
+if(${BUILD_SHARED_LIBS})
+    install(TARGETS    tinydtls       DESTINATION /usr/local/lib )    
+endif()

dtls_config.h.cmake.in

@@ -0,0 +1,129 @@
+/* dtls_config.h.cmake.in.  Generated from cmake */
+
+/* Define if building universal (internal helper macro) */
+#cmakedefine AC_APPLE_UNIVERSAL_BUILD
+
+/* Define to 1 if building with ECC support. */
+#cmakedefine DTLS_ECC 1
+
+/* Define to 1 if building with PSK support */
+#cmakedefine DTLS_PSK 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#cmakedefine HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <assert.h> header file. */
+#cmakedefine HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#cmakedefine HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the `fls' function. */
+#cmakedefine HAVE_FLS 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#cmakedefine HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#cmakedefine HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `memset' function. */
+#cmakedefine HAVE_MEMSET 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#cmakedefine HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#cmakedefine HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the `select' function. */
+#cmakedefine HAVE_SELECT 1
+
+/* Define to 1 if struct sockaddr_in6 has a member sin6_len. */
+#cmakedefine HAVE_SOCKADDR_IN6_SIN6_LEN 1
+
+/* Define to 1 if you have the `socket' function. */
+#cmakedefine HAVE_SOCKET 1
+
+/* Define to 1 if you have the <stddef.h> header file. */
+#cmakedefine HAVE_STDDEF_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#cmakedefine HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#cmakedefine HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the `strdup' function. */
+#cmakedefine HAVE_STRDUP 1
+
+/* Define to 1 if you have the `strerror' function. */
+#cmakedefine HAVE_STRERROR 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#cmakedefine HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#cmakedefine HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strnlen' function. */
+#cmakedefine HAVE_STRNLEN 1
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#cmakedefine HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#cmakedefine HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#cmakedefine HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#cmakedefine HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#cmakedefine HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#cmakedefine HAVE_TIME_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `vprintf' function. */
+#cmakedefine HAVE_VPRINTF 1
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "${PACKAGE_NAME}"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "${PACKAGE_NAME}"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "${PACKAGE_VERSION}"
+
+/* Define to 1 if you have the ANSI C header files. */
+#cmakedefine STDC_HEADERS 1
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#cmakedefine WORDS_BIGENDIAN 1
+
+/* TODO
+   Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  
+#ifndef __cplusplus
+#undef inline
+#endif
+
+   Define to `unsigned int' if <sys/types.h> does not define. 
+#undef size_t */

tests/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.5)
+
+add_executable(dtls-server dtls-server.c)
+target_link_libraries(dtls-server LINK_PUBLIC tinydtls)
+target_compile_options(dtls-server PUBLIC -DTEST_INCLUDE -DDTLSv12 -DWITH_SHA256)
+
+add_executable(ccm-test ccm-test.c)
+target_link_libraries(ccm-test LINK_PUBLIC tinydtls)
+target_compile_options(ccm-test PUBLIC -DTEST_INCLUDE -DDTLSv12 -DWITH_SHA256)
+
+add_executable(prf-test prf-test.c)
+target_link_libraries(prf-test LINK_PUBLIC tinydtls)
+target_compile_options(prf-test PUBLIC -DTEST_INCLUDE -DDTLSv12 -DWITH_SHA256)
+
+add_executable(dtls-client dtls-client.c)
+target_link_libraries(dtls-client LINK_PUBLIC tinydtls)
+target_compile_options(dtls-client PUBLIC -DTEST_INCLUDE -DDTLSv12 -DWITH_SHA256)
+