224 lines
4.9 KiB
C
224 lines
4.9 KiB
C
/*
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By default wolfSSL has a very conservative configuration that can result in
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connections to servers failing due to certificate or algorithm problems.
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To remedy this issue for libcurl I've generated this options file that
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build-wolfssl will copy to the wolfSSL include directories and will result in
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maximum compatibility.
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These are the configure options that were used to build wolfSSL v3.11.0 in
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mingw and generate the options in this file:
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C_EXTRA_FLAGS="\
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-Wno-attributes \
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-Wno-unused-but-set-variable \
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-DFP_MAX_BITS=16384 \
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-DTFM_TIMING_RESISTANT \
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-DWOLFSSL_STATIC_DH \
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-DWOLFSSL_STATIC_RSA \
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" \
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./configure --prefix=/usr/local \
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--disable-jobserver \
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--enable-aesgcm \
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--enable-alpn \
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--enable-certgen \
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--enable-des3 \
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--enable-dh \
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--enable-dsa \
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--enable-ecc \
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--enable-eccshamir \
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--enable-fastmath \
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--enable-opensslextra \
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--enable-ripemd \
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--enable-sessioncerts \
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--enable-sha512 \
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--enable-sni \
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--enable-sslv3 \
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--enable-supportedcurves \
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--enable-testcert \
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> config.out 2>&1
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Two generated options HAVE_THREAD_LS and _POSIX_THREADS were removed since they
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are inapplicable for our Visual Studio build. Currently thread local storage is
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only used by the Fixed Point cache ECC which we're not enabling. However even
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if we later may decide to enable the cache it will fallback on mutexes when
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thread local storage is not available. wolfSSL is using __declspec(thread) to
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create the thread local storage and that could be a problem for LoadLibrary.
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Regarding the options that were added via C_EXTRA_FLAGS:
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FP_MAX_BITS=16384
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https://www.yassl.com/forums/topic423-cacertorgs-ca-cert-verify-failed-but-withdisablefastmath-it-works.html
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"Since root.crt uses a 4096-bit RSA key, you'll need to increase the fastmath
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buffer size. You can do this using the define:
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FP_MAX_BITS and setting it to 8192."
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TFM_TIMING_RESISTANT
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https://wolfssl.com/wolfSSL/Docs-wolfssl-manual-2-building-wolfssl.html
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From section 2.4.5 Increasing Performance, USE_FAST_MATH:
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"Because the stack memory usage can be larger when using fastmath, we recommend
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defining TFM_TIMING_RESISTANT as well when using this option."
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WOLFSSL_STATIC_DH: Allow TLS_ECDH_ ciphers
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WOLFSSL_STATIC_RSA: Allow TLS_RSA_ ciphers
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https://github.com/wolfSSL/wolfssl/blob/v3.6.6/README.md#note-1
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Static key cipher suites are deprecated and disabled by default since v3.6.6.
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*/
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/* wolfssl options.h
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* generated from configure options
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*
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* Copyright (C) 2006-2015 wolfSSL Inc.
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*
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* This file is part of wolfSSL. (formerly known as CyaSSL)
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*
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*/
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#ifndef WOLFSSL_OPTIONS_H
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#define WOLFSSL_OPTIONS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#undef FP_MAX_BITS
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#define FP_MAX_BITS 16384
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#undef TFM_TIMING_RESISTANT
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#define TFM_TIMING_RESISTANT
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#undef WOLFSSL_STATIC_DH
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#define WOLFSSL_STATIC_DH
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#undef WOLFSSL_STATIC_RSA
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#define WOLFSSL_STATIC_RSA
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#undef OPENSSL_EXTRA
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#define OPENSSL_EXTRA
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/*
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The commented out defines below are the equivalent of --enable-tls13.
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Uncomment them to build wolfSSL with TLS 1.3 support as of v3.11.1-tls13-beta.
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This is for experimenting only, afaict TLS 1.3 support doesn't appear to be
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functioning correctly yet. https://github.com/wolfSSL/wolfssl/pull/943
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#undef WC_RSA_PSS
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#define WC_RSA_PSS
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#undef WOLFSSL_TLS13
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#define WOLFSSL_TLS13
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#undef HAVE_TLS_EXTENSIONS
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#define HAVE_TLS_EXTENSIONS
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#undef HAVE_FFDHE_2048
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#define HAVE_FFDHE_2048
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#undef HAVE_HKDF
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#define HAVE_HKDF
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*/
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#undef TFM_TIMING_RESISTANT
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#define TFM_TIMING_RESISTANT
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#undef ECC_TIMING_RESISTANT
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#define ECC_TIMING_RESISTANT
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#undef WC_RSA_BLINDING
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#define WC_RSA_BLINDING
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#undef HAVE_AESGCM
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#define HAVE_AESGCM
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#undef WOLFSSL_RIPEMD
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#define WOLFSSL_RIPEMD
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#undef WOLFSSL_SHA512
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#define WOLFSSL_SHA512
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#undef WOLFSSL_SHA384
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#define WOLFSSL_SHA384
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#undef SESSION_CERTS
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#define SESSION_CERTS
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#undef WOLFSSL_CERT_GEN
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#define WOLFSSL_CERT_GEN
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#undef HAVE_ECC
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#define HAVE_ECC
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#undef TFM_ECC256
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#define TFM_ECC256
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#undef ECC_SHAMIR
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#define ECC_SHAMIR
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#undef WOLFSSL_ALLOW_SSLV3
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#define WOLFSSL_ALLOW_SSLV3
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#undef NO_RC4
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#define NO_RC4
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#undef NO_HC128
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#define NO_HC128
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#undef NO_RABBIT
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#define NO_RABBIT
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#undef HAVE_POLY1305
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#define HAVE_POLY1305
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#undef HAVE_ONE_TIME_AUTH
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#define HAVE_ONE_TIME_AUTH
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#undef HAVE_CHACHA
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#define HAVE_CHACHA
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#undef HAVE_HASHDRBG
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#define HAVE_HASHDRBG
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#undef HAVE_TLS_EXTENSIONS
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#define HAVE_TLS_EXTENSIONS
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#undef HAVE_SNI
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#define HAVE_SNI
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#undef HAVE_TLS_EXTENSIONS
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#define HAVE_TLS_EXTENSIONS
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#undef HAVE_ALPN
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#define HAVE_ALPN
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#undef HAVE_TLS_EXTENSIONS
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#define HAVE_TLS_EXTENSIONS
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#undef HAVE_SUPPORTED_CURVES
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#define HAVE_SUPPORTED_CURVES
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#undef HAVE_EXTENDED_MASTER
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#define HAVE_EXTENDED_MASTER
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#undef WOLFSSL_TEST_CERT
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#define WOLFSSL_TEST_CERT
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#undef NO_PSK
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#define NO_PSK
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#undef NO_MD4
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#define NO_MD4
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#undef USE_FAST_MATH
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#define USE_FAST_MATH
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#undef WC_NO_ASYNC_THREADING
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#define WC_NO_ASYNC_THREADING
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#ifdef __cplusplus
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}
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#endif
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#endif /* WOLFSSL_OPTIONS_H */
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