GUACAMOLE-514: Remove x509 support.

src/protocols/vnc/auth.c

@@ -33,54 +33,17 @@ char* guac_vnc_get_password(rfbClient* client) {
 
 rfbCredential* guac_vnc_get_credentials(rfbClient* client, int credentialType) {
     guac_client* gc = rfbClientGetClientData(client, GUAC_VNC_CLIENT_KEY);
-    rfbCredential *creds = malloc(sizeof(rfbCredential));
     guac_vnc_settings* settings = ((guac_vnc_client*) gc->data)->settings;
     
     if (credentialType == rfbCredentialTypeUser) {
+        rfbCredential *creds = malloc(sizeof(rfbCredential));
         creds->userCredential.username = settings->username;
         creds->userCredential.password = settings->password;
         return creds;
     }
     
-    else if (credentialType == rfbCredentialTypeX509) {
+    guac_client_log(gc, GUAC_LOG_ERROR,
-        char* template = "guac_XXXXXX";
+            "Unsupported credential type requested.");
-        
-        if (settings->client_cert != NULL) {
-            settings->client_cert_temp = strdup(template);
-            int cert_fd = mkstemp(settings->client_cert_temp);
-            write(cert_fd, settings->client_cert, strlen(settings->client_cert));
-            close(cert_fd);
-            creds->x509Credential.x509ClientCertFile = settings->client_cert_temp;
-        }
-        
-        if (settings->client_key != NULL) {
-            settings->client_key_temp = strdup(template);
-            int key_fd = mkstemp(settings->client_key_temp);
-            write(key_fd, settings->client_key, strlen(settings->client_key));
-            close(key_fd);
-            creds->x509Credential.x509ClientKeyFile = settings->client_key_temp;
-        }
-        
-        if (settings->ca_cert != NULL) {
-            settings->ca_cert_temp = strdup(template);
-            int ca_fd = mkstemp(settings->ca_cert_temp);
-            write(ca_fd, settings->ca_cert, strlen(settings->ca_cert));
-            close(ca_fd);
-            creds->x509Credential.x509CACertFile = settings->ca_cert_temp;
-        }
-        
-        if (settings->ca_crl != NULL) {
-            settings->ca_crl_temp = strdup(template);
-            int crl_fd = mkstemp(settings->ca_crl_temp);
-            write(crl_fd, settings->ca_crl, strlen(settings->ca_crl));
-            close(crl_fd);
-            creds->x509Credential.x509CACrlFile = settings->ca_crl_temp;
-        }
-        
-        return creds;
-    }
-    
-    guac_client_log(gc, GUAC_LOG_ERROR, "Unknown credential type requested.");
     return NULL;
     
 }

src/protocols/vnc/settings.c

@@ -28,7 +28,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
-#include <unistd.h>
 
 /* Client plugin arguments */
 const char* GUAC_VNC_CLIENT_ARGS[] = {
@@ -38,10 +37,6 @@ const char* GUAC_VNC_CLIENT_ARGS[] = {
     "encodings",
     "username",
     "password",
-    "client-cert",
-    "client-key",
-    "ca-cert",
-    "ca-crl",
     "swap-red-blue",
     "color-depth",
     "cursor",
@@ -124,28 +119,6 @@ enum VNC_ARGS_IDX {
      */
     IDX_PASSWORD,
 
-    /**
-     * The client certificate to send to the VNC server if x509 authentication
-     * is being used.
-     */
-    IDX_CLIENT_CERT,
-    
-    /**
-     * The client private key to send to the VNC server if x509 authentication
-     * is being used.
-     */
-    IDX_CLIENT_KEY,
-    
-    /**
-     * The CA certificate to use when performing x509 authentication.
-     */
-    IDX_CA_CERT,
-    
-    /**
-     * The location of the CA CRL to use when performing x509 authentication.
-     */
-    IDX_CA_CRL,
-
     /**
      * "true" if the red and blue components of each color should be swapped,
      * "false" or blank otherwise. This is mainly used for VNC servers that do
@@ -378,22 +351,6 @@ guac_vnc_settings* guac_vnc_parse_args(guac_user* user,
         guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
                 IDX_PASSWORD, ""); /* NOTE: freed by libvncclient */
     
-    settings->client_cert =
-        guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
-                IDX_CLIENT_CERT, NULL);
-    
-    settings->client_key =
-        guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
-                IDX_CLIENT_KEY, NULL);
-    
-    settings->ca_cert =
-        guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
-                IDX_CA_CERT, NULL);
-    
-    settings->ca_crl =
-        guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
-                IDX_CA_CRL, NULL);
-    
     /* Remote cursor */
     if (strcmp(argv[IDX_CURSOR], "remote") == 0) {
         guac_user_log(user, GUAC_LOG_INFO, "Cursor rendering: remote");
@@ -583,30 +540,6 @@ void guac_vnc_settings_free(guac_vnc_settings* settings) {
     free(settings->hostname);
     free(settings->recording_name);
     free(settings->recording_path);
-    free(settings->client_cert);
-    free(settings->client_key);
-    free(settings->ca_cert);
-    free(settings->ca_crl);
-    
-    if (settings->client_cert_temp != NULL) {
-        unlink(settings->client_cert_temp);
-        free(settings->client_cert_temp);
-    }
-    
-    if (settings->client_key_temp != NULL) {
-        unlink(settings->client_key_temp);
-        free(settings->client_key_temp);
-    }
-    
-    if (settings->ca_cert_temp != NULL) {
-        unlink(settings->ca_cert_temp);
-        free(settings->ca_cert_temp);
-    }
-    
-    if (settings->ca_crl_temp != NULL) {
-        unlink(settings->ca_crl_temp);
-        free(settings->ca_crl_temp);
-    }
 
 #ifdef ENABLE_VNC_REPEATER
     /* Free VNC repeater settings */

src/protocols/vnc/settings.h

@@ -55,47 +55,6 @@ typedef struct guac_vnc_settings {
      */
     char* password;
 
-    /**
-     * The contents of the client certificate to use for authentication.
-     */
-    char* client_cert;
-    
-    /**
-     * The location of the temporary client certificate file.
-     */
-    char* client_cert_temp;
-    
-    /**
-     * The contents of the client private key to use for authentication.
-     */
-    char* client_key;
-    
-    /**
-     * The location of the temporary client key file.
-     */
-    char* client_key_temp;
-    
-    /**
-     * The contents of the CA certificate file to use for authentication.
-     */
-    char* ca_cert;
-    
-    /**
-     * The location of the temporary CA file.
-     */
-    char* ca_cert_temp;
-    
-    /**
-     * The contents of the CA CRL location to use for checking for revoked
-     * certificates during authentication.
-     */
-    char* ca_crl;
-    
-    /**
-     * The location of the temporary CRL file.
-     */
-    char* ca_crl_temp;
-
     /**
      * Space-separated list of encodings to use within the VNC session.
      */