-dnl Check to find the OpenSSL headers/libraries
+dnl Check to find the LibreSSL/OpenSSL headers/libraries
-AC_DEFUN(tinc_OPENSSL,
+AC_DEFUN([tinc_OPENSSL],
[
- tinc_ac_save_CPPFLAGS="$CPPFLAGS"
+ case $host_os in
+ *mingw*)
+ ;;
+ *)
+ AC_CHECK_FUNC(dlopen,
+ [],
+ [AC_CHECK_LIB(dl, dlopen,
+ [LIBS="$LIBS -ldl"],
+ [AC_MSG_ERROR([LibreSSL/OpenSSL depends on libdl.]); break]
+ )]
+ )
+ ;;
+ esac
+
+ AC_ARG_WITH(openssl,
+ AS_HELP_STRING([--with-openssl=DIR], [LibreSSL/OpenSSL base directory, or:]),
+ [openssl="$withval"
+ CPPFLAGS="$CPPFLAGS -I$withval/include"
+ LDFLAGS="$LDFLAGS -L$withval/lib"]
+ )
AC_ARG_WITH(openssl-include,
- [ --with-openssl-include=DIR OpenSSL headers directory (without trailing /openssl)],
+ AS_HELP_STRING([--with-openssl-include=DIR], [LibreSSL/OpenSSL headers directory (without trailing /openssl)]),
[openssl_include="$withval"
- CFLAGS="$CFLAGS -I$withval"
CPPFLAGS="$CPPFLAGS -I$withval"]
)
AC_ARG_WITH(openssl-lib,
- [ --with-openssl-lib=DIR OpenSSL library directory],
+ AS_HELP_STRING([--with-openssl-lib=DIR], [LibreSSL/OpenSSL library directory]),
[openssl_lib="$withval"
- LIBS="$LIBS -L$withval"]
+ LDFLAGS="$LDFLAGS -L$withval"]
)
- AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h,
+ AC_CHECK_HEADERS([openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h openssl/engine.h],
[],
- [AC_MSG_ERROR("OpenSSL header files not found."); break]
+ [AC_MSG_ERROR([LibreSSL/OpenSSL header files not found.]); break]
)
- CPPFLAGS="$tinc_ac_save_CPPFLAGS"
-
- AC_CHECK_LIB(crypto, SHA1_version,
- [LIBS="$LIBS -lcrypto"],
- [AC_MSG_ERROR("OpenSSL libraries not found.")]
+ AC_CHECK_LIB(crypto, EVP_EncryptInit_ex,
+ [LIBS="-lcrypto $LIBS"],
+ [AC_MSG_ERROR([LibreSSL/OpenSSL libraries not found.])]
)
- AC_CHECK_FUNCS(RAND_pseudo_bytes)
-
- AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
- [],
- AC_CHECK_FUNC(SSLeay_add_all_algorithms,
- [AC_DEFINE(HAVE_SSLEAY_ADD_ALL_ALGORITHMS)],
- [AC_MSG_ERROR("Missing required OpenSSL functionality!")]
- )
+ AC_CHECK_FUNCS([RAND_bytes EVP_EncryptInit_ex EVP_CIPHER_CTX_new], ,
+ [AC_MSG_ERROR([Missing LibreSSL/OpenSSL functionality, make sure you have installed the latest version.]); break],
)
- AC_CHECK_FUNC(dlopen,
- [],
- AC_CHECK_LIB(dl, dlopen,
- [LIBS="$LIBS -ldl"],
- [AC_MSG_ERROR("OpenSSL depends on libdl.")]
- )
+ AC_CHECK_DECLS([OpenSSL_add_all_algorithms, EVP_aes_256_cfb], ,
+ [AC_MSG_ERROR([Missing LibreSSL/OpenSSL functionality, make sure you have installed the latest version.]); break],
+ [#include <openssl/evp.h>]
)
+
+ AC_CHECK_FUNCS([BN_GENCB_new ERR_remove_state RSA_set0_key], , , [#include <openssl/rsa.h>])
+ AC_CHECK_FUNCS([HMAC_CTX_new], , , [#include <openssl/hmac.h>])
])