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@@ -0,0 +1,71 @@
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+From 5c8511384f1d41f9c2a131604d5cb2dbc1c0aec9 Mon Sep 17 00:00:00 2001
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+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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+Date: Fri, 24 Feb 2023 12:23:56 +0100
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+Subject: [PATCH] fix build with libressl >= 3.5.0
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+
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+Fix the following build failure with libressl >= 3.5.0:
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+
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+tls.c:113:17: error: static declaration of 'OPENSSL_cleanup' follows non-static declaration
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+ 113 | static void OPENSSL_cleanup(void)
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+ | ^~~~~~~~~~~~~~~
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+In file included from /home/thomas/autobuild/instance-3/output-1/host/mips-buildroot-linux-gnu/sysroot/usr/include/openssl/bio.h:69,
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+ from /home/thomas/autobuild/instance-3/output-1/host/mips-buildroot-linux-gnu/sysroot/usr/include/openssl/evp.h:67,
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+ from /home/thomas/autobuild/instance-3/output-1/host/mips-buildroot-linux-gnu/sysroot/usr/include/openssl/hmac.h:67,
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+ from /home/thomas/autobuild/instance-3/output-1/host/mips-buildroot-linux-gnu/sysroot/usr/include/openssl/ssl.h:150,
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+ from ../../../include/zbxcomms.h:65,
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+ from tls.c:20:
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+/home/thomas/autobuild/instance-3/output-1/host/mips-buildroot-linux-gnu/sysroot/usr/include/openssl/crypto.h:565:6: note: previous declaration of 'OPENSSL_cleanup' with type 'void(void)'
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+ 565 | void OPENSSL_cleanup(void);
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+ | ^~~~~~~~~~~~~~~
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+In file included from tls.c:20:
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+tls.c: In function 'zbx_log_ciphersuites':
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+../../../include/zbxcomms.h:222:75: error: invalid use of incomplete typedef 'SSL_CTX' {aka 'struct ssl_ctx_st'}
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+ 222 | # define SSL_CTX_get_ciphers(ciphers) ((ciphers)->cipher_list)
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+ | ^~
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+tls.c:1415:31: note: in expansion of macro 'SSL_CTX_get_ciphers'
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+ 1415 | cipher_list = SSL_CTX_get_ciphers(ciphers);
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+ | ^~~~~~~~~~~~~~~~~~~
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+
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+Fixes:
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+ - http://autobuild.buildroot.org/results/acdfcb17b39d438ccf5e4621707a10f60577d233
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+
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+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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+[Upstream status: not sent (no feedback on first patch)]
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+---
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+ include/zbxcomms.h | 3 ++-
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+ src/libs/zbxcomms/tls.c | 5 +++--
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+ 2 files changed, 5 insertions(+), 3 deletions(-)
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+
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+diff --git a/include/zbxcomms.h b/include/zbxcomms.h
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+index e7d74dbd0f..d6efa358fe 100644
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+--- a/include/zbxcomms.h
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++++ b/include/zbxcomms.h
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+@@ -253,7 +253,8 @@ int zbx_telnet_execute(ZBX_SOCKET socket_fd, const char *command, AGENT_RESULT *
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+ /* TLS BLOCK */
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+ #if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
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+
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+-#if defined(HAVE_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER)
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++#if defined(HAVE_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x1010000fL || \
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++ defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x3050000fL
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+ # if !defined(LIBRESSL_VERSION_NUMBER)
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+ # define OPENSSL_INIT_LOAD_SSL_STRINGS 0
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+ # define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0
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+diff --git a/src/libs/zbxcomms/tls.c b/src/libs/zbxcomms/tls.c
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+index 54ab0a6ef4..bd4075b3e4 100644
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+--- a/src/libs/zbxcomms/tls.c
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++++ b/src/libs/zbxcomms/tls.c
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+@@ -30,8 +30,9 @@
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+ #include "zbxstr.h"
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+ #include "zbxtime.h"
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+
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+-#if defined(HAVE_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER)
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+-/* for OpenSSL 1.0.1/1.0.2 (before 1.1.0) or LibreSSL */
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++#if defined(HAVE_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x1010000fL || \
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++ defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x300000fL
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++/* for OpenSSL 1.0.1/1.0.2 (before 1.1.0) or LibreSSL (before 3.5.0) */
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+
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+ /* mutexes for multi-threaded OpenSSL (see "man 3ssl threads" and example in crypto/threads/mttest.c) */
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+
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+--
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+2.39.1
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+
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Fabrice Fontaine