proxysql/deps/mariadb-client-library/sslkeylogfile.patch

diff --git include/ma_common.h include/ma_common.h
index 1ac0cb68..0d3f39b3 100644
--- include/ma_common.h
+++ include/ma_common.h
@@ -80,6 +80,7 @@ struct st_mysql_options_extension {
   char *proxy_header;
   size_t proxy_header_len;
   int (*io_wait)(my_socket handle, my_bool is_read, int timeout);
+  void (*ssl_keylog_callback)(const void *ssl, const char *line);
   my_bool skip_read_response;
   char *restricted_auth;
   char *rpl_host;
diff --git include/mysql.h include/mysql.h
index 9ee86227..c07717c5 100644
--- include/mysql.h
+++ include/mysql.h
@@ -257,7 +257,8 @@ extern const char *SQLSTATE_UNKNOWN;
     MARIADB_OPT_RESTRICTED_AUTH,
     MARIADB_OPT_RPL_REGISTER_REPLICA,
     MARIADB_OPT_STATUS_CALLBACK,
-    MARIADB_OPT_SERVER_PLUGINS
+    MARIADB_OPT_SERVER_PLUGINS,
+    MARIADB_OPT_SSL_KEYLOG_CALLBACK
   };
 
   enum mariadb_value {
diff --git libmariadb/mariadb_lib.c libmariadb/mariadb_lib.c
index be4c91d1..87dd7c3e 100644
--- libmariadb/mariadb_lib.c
+++ libmariadb/mariadb_lib.c
@@ -3634,6 +3634,9 @@ mysql_optionsv(MYSQL *mysql,enum mysql_option option, ...)
   case MYSQL_OPT_SSL_CRLPATH:
     OPT_SET_EXTENDED_VALUE_STR(&mysql->options, ssl_crlpath, (char *)arg1);
     break;
+  case MARIADB_OPT_SSL_KEYLOG_CALLBACK:
+    OPT_SET_EXTENDED_VALUE(&mysql->options, ssl_keylog_callback, arg1);
+    break;
   case MYSQL_OPT_CONNECT_ATTR_DELETE:
     {
       uchar *h;
@@ -4000,6 +4003,9 @@ mysql_get_optionv(MYSQL *mysql, enum mysql_option option, void *arg, ...)
   case MYSQL_OPT_SSL_CRLPATH:
     *((char **)arg)= mysql->options.extension ? mysql->options.extension->ssl_crlpath : NULL;
     break;
+  case MARIADB_OPT_SSL_KEYLOG_CALLBACK:
+    *((void(**)(const void *, const char *))arg)= mysql->options.extension ? mysql->options.extension->ssl_keylog_callback : NULL;
+    break;
   case MARIADB_OPT_TLS_VERSION:
   case MYSQL_OPT_TLS_VERSION:
     *((char **)arg)= mysql->options.extension ? mysql->options.extension->tls_version : NULL;
diff --git libmariadb/secure/openssl.c libmariadb/secure/openssl.c
index 2a272504..67d90c6a 100644
--- libmariadb/secure/openssl.c
+++ libmariadb/secure/openssl.c
@@ -317,6 +317,13 @@ int ma_tls_get_password(char *buf, int size,
   return (int)strlen(buf);
 }
 
+static void ma_tls_set_sslkeylog_callback(MYSQL *mysql, SSL_CTX *ctx) 
+{
+  if (mysql->options.extension && mysql->options.extension->ssl_keylog_callback)
+  {
+    SSL_CTX_set_keylog_callback(ctx, (void(*)(const SSL*, const char*))mysql->options.extension->ssl_keylog_callback);
+  }
+}
 
 static int ma_tls_set_certs(MYSQL *mysql, SSL_CTX *ctx)
 {
@@ -433,7 +440,7 @@ void *ma_tls_init(MYSQL *mysql)
   if (mysql->options.extension) 
     options= ma_tls_version_options(mysql->options.extension->tls_version);
   SSL_CTX_set_options(ctx, options ? options : default_options);
-
+  ma_tls_set_sslkeylog_callback(mysql, ctx);
   if (ma_tls_set_certs(mysql, ctx))
   {
     goto error;