tests: Skip ciphers not supported by OpenSSH

This is a problem in recent Fedora, as the 0.9 branch still supports
blowfish, while OpenSSH dropped this support in 7.6.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

tests/server/torture_server_config.c

@@ -513,6 +513,12 @@ static void torture_server_config_ciphers(void **state)
         /* Try each algorithm individually */
         j = 0;
         while(tokens->tokens[j] != NULL) {
+            char *cmp = strstr(OPENSSH_CIPHERS, tokens->tokens[j]);
+            if (cmp == NULL) {
+                /* This cipher is not supported by the OpenSSH. Skip it */
+                j++;
+                continue;
+            }
             snprintf(config_content,
                     sizeof(config_content),
                     "HostKey %s\nCiphers %s\n",