🚧 Print errors

src/client/main.cc

@@ -31,19 +31,19 @@ int main() {
     // Create new SSL context
     SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
     if (!ctx) {
-        // TODO Handle error
+        cout << "Creation of SSL context failed" << endl;
     }
 
     // Load the server's certificate into context
     if (SSL_CTX_load_verify_locations(
-            ctx, "~/git/mogens_og_karen/ssl/server.crt", nullptr) <= 0) {
-        // TODO Handle error
+            ctx, "./ssl/server.crt", nullptr) <= 0) {
+            cout << "SSL load failed" << endl;
     }
 
     // Create SSL object
     SSL *ssl = SSL_new(ctx);
     if (!ssl) {
-        // TODO Handle error
+        cout << "Failed to create SSL object" << endl;
     }
 
     int clientSocket = socket(AF_INET, SOCK_STREAM, 0);
@@ -65,7 +65,7 @@ int main() {
 
     // Perform SSL handshake
     if (SSL_connect(ssl) != 1) {
-        // TODO Handle error
+        cout << "SSL Handshake error" << endl;
     }
 
     while (true) {
@@ -81,7 +81,7 @@ int main() {
         cout << endl;
         message.username = "Client 1";
 
-        SSL_write(ssl, message.toString().data(), 0);
+        SSL_write(ssl, message.toString().data(), strlen(message.toString().data()));
     }
 
     // Clean up

src/server/main.cc

@@ -1,5 +1,4 @@
 #include <arpa/inet.h>
-#include <cstring>
 #include <iostream>
 #include <netinet/in.h>
 #include <openssl/err.h>
@@ -21,26 +20,31 @@ int main() {
 
     SSL_CTX *ctx = SSL_CTX_new(TLS_server_method());
     if (!ctx) {
-        // TODO Handle error
+        cout << "Creation of SSL context failed" << endl;
     }
 
     // Load certificate
-    if (SSL_CTX_use_certificate_file(ctx,
-                                     "~/git/mogens_og_karen/ssl/server.crt",
+    if (SSL_CTX_use_certificate_file(ctx, "./ssl/server.crt",
                                      SSL_FILETYPE_PEM) <= 0) {
-        // TODO Handle error
+        unsigned long errCode = ERR_get_error();
+        char errBuffer[128];
+        ERR_error_string_n(errCode, errBuffer, sizeof(errBuffer));
+        cout << "Certificate load failed: " << errBuffer << endl;
     }
 
     // Load certificate private key
-    if (SSL_CTX_use_PrivateKey_file(ctx, "~/git/mogens_og_karen/ssl/server.key",
+    if (SSL_CTX_use_PrivateKey_file(ctx, "./ssl/server.key",
                                     SSL_FILETYPE_PEM) <= 0) {
-        // TODO Handle error
+        unsigned long errCode = ERR_get_error();
+        char errBuffer[128];
+        ERR_error_string_n(errCode, errBuffer, sizeof(errBuffer));
+        cout << "Private key load failed: " << errBuffer << endl;
     }
 
     cout << "Initializing server" << endl;
     int serverSocket = socket(AF_INET, SOCK_STREAM, 0);
     if (serverSocket == -1) {
-        // TODO error
+        cout << "Server socket failed" << endl;
     }
 
     sockaddr_in serverAddress;
@@ -51,30 +55,36 @@ int main() {
     int bindStatus = bind(serverSocket, (struct sockaddr *)&serverAddress,
                           sizeof(serverAddress));
     if (bindStatus == -1) {
-        // TODO error
+        cout << "Bind failed" << endl;
     }
 
     int listenStatus = listen(serverSocket, 5);
     if (listenStatus == -1) {
-        // TODO error
+        cout << "Listen failed" << endl;
     }
 
     int clientSocket = accept(serverSocket, nullptr, nullptr);
     if (clientSocket == -1) {
-        // TODO error
+        cout << "Client socket failed" << endl;
     }
 
     SSL *ssl = SSL_new(ctx);
     SSL_set_fd(ssl, clientSocket);
 
     // Perform the SSL negotiation
-    if (SSL_accept(ssl)) {
-        // TODO Handle error
+    int sslAcceptCode = SSL_accept(ssl);
+    if (sslAcceptCode <= 0) {
+        int sslError = SSL_get_error(ssl, sslAcceptCode);
+        char *errStr = ERR_error_string(ERR_get_error(), nullptr);
+        cout << "SSL_accept failed with SSL error: " << sslError << endl;
+        cout << "OpenSSL error: " << errStr << endl;
+    } else {
+        cout << "negotiated SSL" << endl;
     }
 
     while (true) {
         char buffer[1024] = {0};
-        SSL_read(ssl, buffer, 0);
+        SSL_read(ssl, buffer, sizeof(buffer) - 1);
 
         if (strlen(buffer) <= 0) {
             cout << "Client seems to have just straight up left :(" << endl;