pkd: Cleanup OpenSSL context

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 3df61a4e86)

tests/pkd/CMakeLists.txt

@@ -17,10 +17,8 @@ set(pkd_hello_src
 )
 
 set(pkd_libs
-    ${CMOCKA_LIBRARY}
-    ssh::static
+    ${TORTURE_LINK_LIBRARIES}
     ${ARGP_LIBRARIES}
-    pthread
 )
 
 add_executable(pkd_hello ${pkd_hello_src})

tests/pkd/pkd_hello.c

@@ -22,6 +22,11 @@
 #include "pkd_keyutil.h"
 #include "pkd_util.h"
 
+#if defined(HAVE_LIBCRYPTO)
+/* for OPENSSL_cleanup() of OpenSSL context */
+#include <openssl/crypto.h>
+#endif
+
 #define DEFAULT_ITERATIONS 10
 static struct pkd_daemon_args pkd_dargs;
 
@@ -1000,6 +1005,9 @@ out_finalize:
     if (rc != 0) {
         fprintf(stderr, "ssh_finalize: %d\n", rc);
     }
+#if defined(HAVE_LIBCRYPTO)
+    OPENSSL_cleanup();
+#endif
 out:
     return exit_code;
 }