Properly deinit of OpenSSL

1 files changed, 12 insertions, 0 deletions

diff --git a/librabbitmq/amqp_openssl.c b/librabbitmq/amqp_openssl.c
index d7ff38d..9107b53 100644
--- a/librabbitmq/amqp_openssl.c
+++ b/librabbitmq/amqp_openssl.c
@@ -44,6 +44,7 @@
 #include <openssl/err.h>
 #include <openssl/ssl.h>
 #include <openssl/x509v3.h>
+#include <openssl/engine.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -662,8 +663,19 @@ destroy_openssl(void)
      * safely. We do leak the amqp_openssl_lockarray. Which is only
      * an issue if you repeatedly unload and load the library
      */
+    ERR_remove_state(0);
+    FIPS_mode_set(0);
     CRYPTO_set_locking_callback(NULL);
     CRYPTO_set_id_callback(NULL);
+    ENGINE_cleanup();
+    CONF_modules_free();
+    EVP_cleanup();
+    CRYPTO_cleanup_all_ex_data();
+    ERR_free_strings();
+    openssl_initialized = 0;
+    #if (OPENSSL_VERSION_NUMBER >= 0x10002003L)
+      SSL_COMP_free_compression_methods();
+    #endif
   }
 
   pthread_mutex_unlock(&openssl_init_mutex);