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Fix building with LibreSSL.
LibreSSL defines OPENSSL_VERSION_NUMBER to claim that it is version 2.0.0, but it doesn't have the functions added in OpenSSL 1.1.0. Add autoconf checks for the individual functions we need, and stop relying on OPENSSL_VERSION_NUMBER. Backport to 9.5 and 9.6, like the patch that broke this. In the back-branches, there are still a few OPENSSL_VERSION_NUMBER checks left, to check for OpenSSL 0.9.8 or 0.9.7. I left them as they were - LibreSSL has all those functions, so they work as intended. Per buildfarm member curculio. Discussion: <2442.1473957669@sss.pgh.pa.us>
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31
configure
vendored
31
configure
vendored
@ -8877,6 +8877,37 @@ if test "x$ac_cv_func_SSL_get_current_compression" = xyes; then :
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#define HAVE_SSL_GET_CURRENT_COMPRESSION 1
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_ACEOF
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fi
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done
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# Functions introduced in OpenSSL 1.1.0. We used to check for
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# OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
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# defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
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# doesn't have these OpenSSL 1.1.0 functions. So check for individual
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# functions.
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for ac_func in OPENSSL_init_ssl BIO_get_data BIO_meth_new ASN1_STRING_get0_data RAND_OpenSSL
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do :
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as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
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ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
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if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
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cat >>confdefs.h <<_ACEOF
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#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
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_ACEOF
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fi
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done
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# OpenSSL versions before 1.1.0 required setting callback functions, for
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# thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
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# function was removed.
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for ac_func in CRYPTO_lock
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do :
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ac_fn_c_check_func "$LINENO" "CRYPTO_lock" "ac_cv_func_CRYPTO_lock"
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if test "x$ac_cv_func_CRYPTO_lock" = xyes; then :
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cat >>confdefs.h <<_ACEOF
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#define HAVE_CRYPTO_LOCK 1
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_ACEOF
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fi
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done
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10
configure.in
10
configure.in
@ -1034,6 +1034,16 @@ if test "$with_openssl" = yes ; then
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AC_SEARCH_LIBS(SSL_new, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
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fi
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AC_CHECK_FUNCS([SSL_get_current_compression])
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# Functions introduced in OpenSSL 1.1.0. We used to check for
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# OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
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# defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
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# doesn't have these OpenSSL 1.1.0 functions. So check for individual
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# functions.
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AC_CHECK_FUNCS([OPENSSL_init_ssl BIO_get_data BIO_meth_new ASN1_STRING_get0_data RAND_OpenSSL])
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# OpenSSL versions before 1.1.0 required setting callback functions, for
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# thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
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# function was removed.
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AC_CHECK_FUNCS([CRYPTO_lock])
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fi
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if test "$with_pam" = yes ; then
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@ -1062,10 +1062,6 @@ px_find_cipher(const char *name, PX_Cipher **res)
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static int openssl_random_init = 0;
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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#define RAND_OpenSSL RAND_SSLeay
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#endif
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/*
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* OpenSSL random should re-feeded occasionally. From /dev/urandom
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* preferably.
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@ -1074,7 +1070,13 @@ static void
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init_openssl_rand(void)
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{
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if (RAND_get_rand_method() == NULL)
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{
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#ifdef HAVE_RAND_OPENSSL
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RAND_set_rand_method(RAND_OpenSSL());
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#else
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RAND_set_rand_method(RAND_SSLeay());
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#endif
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}
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openssl_random_init = 1;
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}
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@ -167,7 +167,7 @@ be_tls_init(void)
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if (!SSL_context)
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{
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#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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#ifdef HAVE_OPENSSL_INIT_SSL
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OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, NULL);
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#else
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#if OPENSSL_VERSION_NUMBER >= 0x0907000L
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@ -655,7 +655,7 @@ be_tls_write(Port *port, void *ptr, size_t len, int *waitfor)
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* to retry; do we need to adopt their logic for that?
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*/
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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#ifndef HAVE_BIO_GET_DATA
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#define BIO_get_data(bio) (bio->ptr)
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#define BIO_set_data(bio, data) (bio->ptr = data)
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#endif
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@ -709,7 +709,7 @@ my_BIO_s_socket(void)
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if (!my_bio_methods)
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{
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BIO_METHOD *biom = (BIO_METHOD *) BIO_s_socket();
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#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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#ifdef HAVE_BIO_METH_NEW
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int my_bio_index;
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my_bio_index = BIO_get_new_index();
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@ -84,12 +84,21 @@
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/* Define to 1 if you have the `append_history' function. */
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#undef HAVE_APPEND_HISTORY
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/* Define to 1 if you have the `ASN1_STRING_get0_data' function. */
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#undef HAVE_ASN1_STRING_GET0_DATA
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/* Define to 1 if you want to use atomics if available. */
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#undef HAVE_ATOMICS
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/* Define to 1 if you have the <atomic.h> header file. */
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#undef HAVE_ATOMIC_H
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/* Define to 1 if you have the `BIO_get_data' function. */
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#undef HAVE_BIO_GET_DATA
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/* Define to 1 if you have the `BIO_meth_new' function. */
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#undef HAVE_BIO_METH_NEW
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/* Define to 1 if you have the `cbrt' function. */
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#undef HAVE_CBRT
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@ -102,6 +111,9 @@
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/* Define to 1 if you have the `crypt' function. */
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#undef HAVE_CRYPT
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/* Define to 1 if you have the `CRYPTO_lock' function. */
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#undef HAVE_CRYPTO_LOCK
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/* Define to 1 if you have the <crypt.h> header file. */
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#undef HAVE_CRYPT_H
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@ -364,6 +376,9 @@
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/* Define to 1 if you have the <net/if.h> header file. */
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#undef HAVE_NET_IF_H
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/* Define to 1 if you have the `OPENSSL_init_ssl' function. */
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#undef HAVE_OPENSSL_INIT_SSL
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/* Define to 1 if you have the <ossp/uuid.h> header file. */
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#undef HAVE_OSSP_UUID_H
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@ -400,6 +415,9 @@
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/* Define to 1 if you have the `random' function. */
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#undef HAVE_RANDOM
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/* Define to 1 if you have the `RAND_OpenSSL' function. */
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#undef HAVE_RAND_OPENSSL
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/* Define to 1 if you have the <readline.h> header file. */
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#undef HAVE_READLINE_H
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@ -507,10 +507,6 @@ wildcard_certificate_match(const char *pattern, const char *string)
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return 1;
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}
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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#define ASN1_STRING_get0_data ASN1_STRING_data
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#endif
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/*
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* Check if a name from a server's certificate matches the peer's hostname.
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*
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@ -545,7 +541,11 @@ verify_peer_name_matches_certificate_name(PGconn *conn, ASN1_STRING *name_entry,
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* There is no guarantee the string returned from the certificate is
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* NULL-terminated, so make a copy that is.
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*/
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#ifdef HAVE_ASN1_STRING_GET0_DATA
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namedata = ASN1_STRING_get0_data(name_entry);
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#else
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namedata = ASN1_STRING_data(name_entry);
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#endif
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len = ASN1_STRING_length(name_entry);
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name = malloc(len + 1);
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if (name == NULL)
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@ -733,10 +733,13 @@ verify_peer_name_matches_certificate(PGconn *conn)
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return found_match && !got_error;
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}
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#if defined(ENABLE_THREAD_SAFETY) && OPENSSL_VERSION_NUMBER < 0x10100000L
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#if defined(ENABLE_THREAD_SAFETY) && defined(HAVE_CRYPTO_LOCK)
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/*
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* Callback functions for OpenSSL internal locking. (OpenSSL 1.1.0
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* does its own locking, and doesn't need these anymore.)
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* Callback functions for OpenSSL internal locking. (OpenSSL 1.1.0
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* does its own locking, and doesn't need these anymore. The
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* CRYPTO_lock() function was removed in 1.1.0, when the callbacks
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* were made obsolete, so we assume that if CRYPTO_lock() exists,
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* the callbacks are still required.)
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*/
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static unsigned long
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@ -766,7 +769,7 @@ pq_lockingcallback(int mode, int n, const char *file, int line)
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PGTHREAD_ERROR("failed to unlock mutex");
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}
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}
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#endif /* ENABLE_THREAD_SAFETY && OPENSSL_VERSION_NUMBER < 0x10100000L */
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#endif /* ENABLE_THREAD_SAFETY && HAVE_CRYPTO_LOCK */
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/*
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* Initialize SSL system, in particular creating the SSL_context object
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@ -805,7 +808,7 @@ pgtls_init(PGconn *conn)
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if (pthread_mutex_lock(&ssl_config_mutex))
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return -1;
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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#ifdef HAVE_CRYPTO_LOCK
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if (pq_init_crypto_lib)
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{
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/*
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@ -846,14 +849,14 @@ pgtls_init(PGconn *conn)
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CRYPTO_set_locking_callback(pq_lockingcallback);
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}
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}
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#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
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#endif /* HAVE_CRYPTO_LOCK */
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#endif /* ENABLE_THREAD_SAFETY */
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if (!SSL_context)
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{
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if (pq_init_ssl_lib)
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{
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#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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#ifdef HAVE_OPENSSL_INIT_SSL
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OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, NULL);
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#else
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#if OPENSSL_VERSION_NUMBER >= 0x00907000L
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@ -916,7 +919,7 @@ pgtls_init(PGconn *conn)
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static void
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destroy_ssl_system(void)
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{
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#if defined(ENABLE_THREAD_SAFETY) && OPENSSL_VERSION_NUMBER < 0x10100000L
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#if defined(ENABLE_THREAD_SAFETY) && defined(HAVE_CRYPTO_LOCK)
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/* Mutex is created in initialize_ssl_system() */
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if (pthread_mutex_lock(&ssl_config_mutex))
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return;
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@ -1631,7 +1634,7 @@ PQsslAttribute(PGconn *conn, const char *attribute_name)
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* to retry; do we need to adopt their logic for that?
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*/
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#if OPENSSL_VERSION_NUMBER < 0x10100000L
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#ifndef HAVE_BIO_GET_DATA
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#define BIO_get_data(bio) (bio->ptr)
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#define BIO_set_data(bio, data) (bio->ptr = data)
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#endif
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@ -1704,7 +1707,7 @@ my_BIO_s_socket(void)
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if (!my_bio_methods)
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{
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BIO_METHOD *biom = (BIO_METHOD *) BIO_s_socket();
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#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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#ifdef HAVE_BIO_METH_NEW
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int my_bio_index;
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my_bio_index = BIO_get_new_index();
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