GUACAMOLE-422: Handle sending version internally.

src/libguac/guacamole/protocol.h

@@ -38,6 +38,9 @@
 #include <cairo/cairo.h>
 #include <stdarg.h>
 
+/* The protocol version */
+#define GUACAMOLE_PROTOCOL_VERSION "VERSION_1_1_0"
+
 /* CONTROL INSTRUCTIONS */
 
 /**

src/libguac/protocol.c

@@ -93,6 +93,11 @@ static int __guac_protocol_send_args(guac_socket* socket, const char** args) {
     int i;
 
     if (guac_socket_write_string(socket, "4.args")) return -1;
+    
+    // Send protocol version
+    if (guac_socket_write_string(socket, ",")
+            || __guac_socket_write_length_string(socket, GUACAMOLE_PROTOCOL_VERSION))
+        return -1;
 
     for (i=0; args[i] != NULL; i++) {
 

src/protocols/kubernetes/settings.c

@@ -25,14 +25,6 @@
 
 /* Client plugin arguments */
 const char* GUAC_KUBERNETES_CLIENT_ARGS[] = {
-    /**
-     * This first argument defines the protocol version in use so that the
-     * client knows how to handle talking to different versions of guacd.
-     * If this is omitted the client may choose not to enable certain
-     * features.
-     */
-    "VERSION_1_1_0",
-    
     "hostname",
     "port",
     "namespace",

src/protocols/rdp/rdp_settings.c

@@ -42,14 +42,6 @@
 
 /* Client plugin arguments */
 const char* GUAC_RDP_CLIENT_ARGS[] = {
-    /**
-     * This first argument defines the protocol version in use so that the
-     * client knows how to handle talking to different versions of guacd.
-     * If this is omitted the client may choose not to enable certain
-     * features.
-     */
-    "VERSION_1_1_0",
-    
     "hostname",
     "port",
     "domain",

src/protocols/ssh/settings.c

@@ -30,14 +30,6 @@
 
 /* Client plugin arguments */
 const char* GUAC_SSH_CLIENT_ARGS[] = {
-    /**
-     * This first argument defines the protocol version in use so that the
-     * client knows how to handle talking to different versions of guacd.
-     * If this is omitted the client may choose not to enable certain
-     * features.
-     */
-    "VERSION_1_1_0",
-    
     "hostname",
     "host-key",
     "port",

src/protocols/telnet/settings.c

@@ -31,14 +31,6 @@
 
 /* Client plugin arguments */
 const char* GUAC_TELNET_CLIENT_ARGS[] = {
-    /**
-     * This first argument defines the protocol version in use so that the
-     * client knows how to handle talking to different versions of guacd.
-     * If this is omitted the client may choose not to enable certain
-     * features.
-     */
-    "VERSION_1_1_0",
-    
     "hostname",
     "port",
     "username",

src/protocols/vnc/settings.c

@@ -31,14 +31,6 @@
 
 /* Client plugin arguments */
 const char* GUAC_VNC_CLIENT_ARGS[] = {
-    /**
-     * This first argument defines the protocol version in use so that the
-     * client knows how to handle talking to different versions of guacd.
-     * If this is omitted the client may choose not to enable certain
-     * features.
-     */
-    "VERSION_1_1_0",
-    
     "hostname",
     "port",
     "read-only",