# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


NXT_OPENSSL_CFLAGS=
NXT_OPENSSL_LIBS=
NXT_GNUTLS_CFLAGS=
NXT_GNUTLS_LIBS=
NXT_OPENSSL_LIBS=
NXT_CYASSL_CFLAGS=
NXT_CYASSL_LIBS=
NXT_POLARSSL_CFLAGS=
NXT_POLARSSL_LIBS=


if [ $NXT_OPENSSL = YES ]; then

    nxt_feature="OpenSSL library"
    nxt_feature_name=NXT_HAVE_OPENSSL
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs="-lssl -lcrypto"
    nxt_feature_test="#include <openssl/ssl.h>

                      int main() {
                          SSL_library_init();
                          return 0;
                      }"
    . auto/feature


    if [ $nxt_found = yes ]; then
        NXT_TLS=YES
        NXT_OPENSSL_LIBS="$nxt_feature_libs"

        nxt_feature="OpenSSL version"
        nxt_feature_name=NXT_HAVE_OPENSSL_VERSION
        nxt_feature_run=value
        nxt_feature_test="#include <openssl/ssl.h>

                          int main() {
                              printf(\"\\\"%s\\\"\",
                                     SSLeay_version(SSLEAY_VERSION));
                              return 0;
                          }"
        . auto/feature

    else
        $echo
        $echo $0: error: no OpenSSL library found.
        $echo
        exit 1;
    fi


    nxt_feature="OpenSSL SSL_CONF_cmd()"
    nxt_feature_name=NXT_HAVE_OPENSSL_CONF_CMD
    nxt_feature_run=
    nxt_feature_incs=
    nxt_feature_libs="$NXT_OPENSSL_LIBS"
    nxt_feature_test="#include <openssl/ssl.h>

                      int main() {
                          SSL_CONF_cmd(NULL, NULL, NULL);
                          return 0;
                      }"
    . auto/feature


    nxt_feature="OpenSSL tlsext support"
    nxt_feature_name=NXT_HAVE_OPENSSL_TLSEXT
    nxt_feature_run=
    nxt_feature_incs=
    nxt_feature_libs="$NXT_OPENSSL_LIBS"
    nxt_feature_test="#include <openssl/ssl.h>

                      int main() {
                          #if (OPENSSL_NO_TLSEXT)
                          #error OpenSSL: no tlsext support.
                          #else
                          return 0;
                          #endif
                      }"
    . auto/feature
fi


if [ $NXT_GNUTLS = YES ]; then

    if /bin/sh -c "(pkg-config gnutls --exists)" >> $NXT_AUTOCONF_ERR 2>&1;
    then
        NXT_GNUTLS_CFLAGS=`pkg-config gnutls --cflags`
        NXT_GNUTLS_LIBS=`pkg-config gnutls --libs`

        nxt_feature="GnuTLS library"
        nxt_feature_name=NXT_HAVE_GNUTLS
        nxt_feature_run=yes
        nxt_feature_incs=$NXT_GNUTLS_CFLAGS
        nxt_feature_libs=$NXT_GNUTLS_LIBS
        nxt_feature_test="#include <gnutls/gnutls.h>

                          int main() {
                              gnutls_global_init();
                              gnutls_global_deinit();
                              return 0;
                          }"
        . auto/feature


        if [ $nxt_found = yes ]; then
            NXT_TLS=YES

            $echo " + GnuTLS version: `pkg-config gnutls --modversion`"


            nxt_feature="gnutls_transport_set_vec_push_function"
            nxt_feature_name=NXT_HAVE_GNUTLS_VEC_PUSH
            nxt_feature_run=no
            nxt_feature_incs=$NXT_GNUTLS_CFLAGS
            nxt_feature_libs=$NXT_GNUTLS_LIBS
            nxt_feature_test="#include <gnutls/gnutls.h>

                      int main() {
                          gnutls_transport_set_vec_push_function(NULL, NULL);
                          return 0;
                      }"
            . auto/feature


            nxt_feature="gnutls_global_set_time_function"
            nxt_feature_name=NXT_HAVE_GNUTLS_SET_TIME
            nxt_feature_run=no
            nxt_feature_incs=$NXT_GNUTLS_CFLAGS
            nxt_feature_libs=$NXT_GNUTLS_LIBS
            nxt_feature_test="#include <gnutls/gnutls.h>

                      int main() {
                          gnutls_global_set_time_function(NULL);
                          return 0;
                      }"
            . auto/feature

        else
            $echo
            $echo $0: error: no GnuTLS library found.
            $echo
            exit 1;
        fi
    fi
fi


if [ $NXT_CYASSL = YES ]; then

    nxt_feature="CyaSSL library"
    nxt_feature_name=NXT_HAVE_CYASSL
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs="-lcyassl"
    nxt_feature_test="#include <cyassl/ssl.h>

                      int main() {
                          CyaSSL_Init();
                          CyaSSL_Cleanup();
                          return 0;
                      }"
    . auto/feature


    if [ $nxt_found = yes ]; then
        NXT_TLS=YES
        NXT_CYASSL_CFLAGS="$nxt_feature_incs"
        NXT_CYASSL_LIBS="$nxt_feature_libs"

    else
        $echo
        $echo $0: error: no CyaSSL library found.
        $echo
        exit 1;
    fi
fi


if [ $NXT_POLARSSL = YES ]; then

    nxt_feature="PolarSSL library"
    nxt_feature_name=NXT_HAVE_POLARSSL
    nxt_feature_run=yes
    nxt_feature_incs=
    nxt_feature_libs="-lpolarssl"
    nxt_feature_test="#include <polarssl/ssl.h>

                      int main() {
                          ssl_context  ssl;
                          memset(&ssl, '\0', sizeof(ssl));
                          ssl_init(&ssl);
                          ssl_free(&ssl);
                          return 0;
                      }"
    . auto/feature


    if [ $nxt_found = yes ]; then
        NXT_TLS=YES
        NXT_POLARSSL_CFLAGS="$nxt_feature_incs"
        NXT_POLARSSL_LIBS="$nxt_feature_libs"

    else
        $echo
        $echo $0: error: no PolarSSL library found.
        $echo
        exit 1;
    fi
fi