move global TLS init into a separate function

1 files changed, 21 insertions, 13 deletions

diff --git a/core.cpp b/core.cpp
index 71857d3..b67f0a2 100644
--- a/core.cpp
+++ b/core.cpp
@@ -700,20 +700,12 @@ void Server::close() {
 }
 
 
-int main(int argc, char **argv) {
-	clientCount = 0;
-	for (int i = 0; i < CLIENT_LIMIT; i++)
-		clients[i] = NULL;
-	serverCount = 0;
-	for (int i = 0; i < SERVER_LIMIT; i++)
-		servers[i] = NULL;
-
-
+bool initTLS() {
 	int ret;
 	ret = gnutls_global_init();
 	if (ret != GNUTLS_E_SUCCESS) {
 		printf("gnutls_global_init failure: %s\n", gnutls_strerror(ret));
-		return 1;
+		return false;
 	}
 
 	unsigned int bits = gnutls_sec_param_to_pk_bits(GNUTLS_PK_DH, GNUTLS_SEC_PARAM_LEGACY);
@@ -721,25 +713,41 @@ int main(int argc, char **argv) {
 	ret = gnutls_dh_params_init(&dh_params);
 	if (ret != GNUTLS_E_SUCCESS) {
 		printf("dh_params_init failure: %s\n", gnutls_strerror(ret));
-		return 1;
+		return false;
 	}
 
 	ret = gnutls_dh_params_generate2(dh_params, bits);
 	if (ret != GNUTLS_E_SUCCESS) {
 		printf("dh_params_generate2 failure: %s\n", gnutls_strerror(ret));
-		return 1;
+		return false;
 	}
 
 	gnutls_certificate_allocate_credentials(&clientCreds);
 	ret = gnutls_certificate_set_x509_key_file(clientCreds, "ssl_test.crt", "ssl_test.key", GNUTLS_X509_FMT_PEM);
 	if (ret != GNUTLS_E_SUCCESS) {
 		printf("set_x509_key_file failure: %s\n", gnutls_strerror(ret));
-		return 1;
+		return false;
 	}
 	gnutls_certificate_set_dh_params(clientCreds, dh_params);
 
 	gnutls_certificate_allocate_credentials(&serverCreds);
 
+	return true;
+}
+
+
+int main(int argc, char **argv) {
+	clientCount = 0;
+	for (int i = 0; i < CLIENT_LIMIT; i++)
+		clients[i] = NULL;
+	serverCount = 0;
+	for (int i = 0; i < SERVER_LIMIT; i++)
+		servers[i] = NULL;
+
+
+	if (!initTLS())
+		return 0;
+
 	DNS::start();