[monitoring-plugins] check_tcp: add output if answer matches ...

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: c8014631de0f7927d8c75ff87225b5a24e9b9942
 Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
   Date: Thu Mar 13 12:25:29 2025 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=c8014631

check_tcp: add output if answer matches expectations

---

 plugins/check_tcp.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 8cd86460..d1f6b84f 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -261,7 +261,7 @@ int main(int argc, char **argv) {
 #ifdef HAVE_SSL
 	if (config.use_tls) {
 		mp_subcheck tls_connection_result = mp_subcheck_init();
-		int result = np_net_ssl_init_with_hostname(socket_descriptor, (config.sni_specified ? config.sni : NULL));
+		mp_state_enum result = np_net_ssl_init_with_hostname(socket_descriptor, (config.sni_specified ? config.sni : NULL));
 		tls_connection_result = mp_set_subcheck_state(tls_connection_result, result);
 
 		if (result == STATE_OK) {
@@ -448,6 +448,10 @@ int main(int argc, char **argv) {
 		expected_data_result = mp_set_subcheck_state(expected_data_result, config.expect_mismatch_state);
 		xasprintf(&expected_data_result.output, "Answer failed to match expectation");
 		mp_add_subcheck_to_check(&overall, expected_data_result);
+	} else if (match == NP_MATCH_SUCCESS) {
+		expected_data_result = mp_set_subcheck_state(expected_data_result, STATE_OK);
+		xasprintf(&expected_data_result.output, "The answer of the server matched the expectation");
+		mp_add_subcheck_to_check(&overall, expected_data_result);
 	}
 
 	/* reset the alarm */