From 11303e0813025660e8fe3465ec2402acc111ae59 Mon Sep 17 00:00:00 2001
From: Michael Jumper <zhangmaike@users.sourceforge.net>
Date: Sun, 29 Apr 2012 23:28:29 -0700
Subject: [PATCH] Write support in clipboard.

---
 protocols/rdp/include/guac_handlers.h |  1 +
 protocols/rdp/include/rdp_cliprdr.h   |  4 ++-
 protocols/rdp/src/client.c            |  1 +
 protocols/rdp/src/guac_handlers.c     | 25 +++++++++++++++++
 protocols/rdp/src/rdp_cliprdr.c       | 40 ++++++++++++++++++++++++---
 5 files changed, 66 insertions(+), 5 deletions(-)

diff --git a/protocols/rdp/include/guac_handlers.h b/protocols/rdp/include/guac_handlers.h
index e7914fac..5e9ccee3 100644
--- a/protocols/rdp/include/guac_handlers.h
+++ b/protocols/rdp/include/guac_handlers.h
@@ -44,6 +44,7 @@ int rdp_guac_client_free_handler(guac_client* client);
 int rdp_guac_client_handle_messages(guac_client* client);
 int rdp_guac_client_mouse_handler(guac_client* client, int x, int y, int mask);
 int rdp_guac_client_key_handler(guac_client* client, int keysym, int pressed);
+int rdp_guac_client_clipboard_handler(guac_client* client, char* data);
 
 #endif
 
diff --git a/protocols/rdp/include/rdp_cliprdr.h b/protocols/rdp/include/rdp_cliprdr.h
index f86dd093..be838c4a 100644
--- a/protocols/rdp/include/rdp_cliprdr.h
+++ b/protocols/rdp/include/rdp_cliprdr.h
@@ -46,7 +46,9 @@ void guac_rdp_process_cb_monitor_ready(guac_client* client, RDP_EVENT* event);
 void guac_rdp_process_cb_format_list(guac_client* client,
         RDP_CB_FORMAT_LIST_EVENT* event);
 
-void guac_rdp_process_cb_data_request(guac_client* client, RDP_EVENT* event);
+void guac_rdp_process_cb_data_request(guac_client* client,
+        RDP_CB_DATA_REQUEST_EVENT* event);
+
 void guac_rdp_process_cb_data_response(guac_client* client,
         RDP_CB_DATA_RESPONSE_EVENT* event);
 
diff --git a/protocols/rdp/src/client.c b/protocols/rdp/src/client.c
index 930f55cb..e8c511f4 100644
--- a/protocols/rdp/src/client.c
+++ b/protocols/rdp/src/client.c
@@ -199,6 +199,7 @@ boolean rdp_freerdp_post_connect(freerdp* instance) {
     client->handle_messages = rdp_guac_client_handle_messages;
     client->mouse_handler = rdp_guac_client_mouse_handler;
     client->key_handler = rdp_guac_client_key_handler;
+    client->clipboard_handler = rdp_guac_client_clipboard_handler;
 
     return true;
 
diff --git a/protocols/rdp/src/guac_handlers.c b/protocols/rdp/src/guac_handlers.c
index 671fd8f2..e5977f2c 100644
--- a/protocols/rdp/src/guac_handlers.c
+++ b/protocols/rdp/src/guac_handlers.c
@@ -409,3 +409,28 @@ int rdp_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
 
 }
 
+int rdp_guac_client_clipboard_handler(guac_client* client, char* data) {
+
+    rdpChannels* channels = 
+        ((rdp_guac_client_data*) client->data)->rdp_inst->context->channels;
+
+    RDP_CB_FORMAT_LIST_EVENT* format_list =
+        (RDP_CB_FORMAT_LIST_EVENT*) freerdp_event_new(
+            RDP_EVENT_CLASS_CLIPRDR,
+            RDP_EVENT_TYPE_CB_FORMAT_LIST,
+            NULL, NULL);
+
+    /* Store data in client */
+    ((rdp_guac_client_data*) client->data)->clipboard = strdup(data);
+
+    /* Notify server that text data is now available */
+    format_list->formats = (uint32*) malloc(sizeof(uint32));
+    format_list->formats[0] = CB_FORMAT_TEXT;
+    format_list->num_formats = 1;
+
+    freerdp_channels_send_event(channels, (RDP_EVENT*) format_list);
+
+    return 0;
+
+}
+
diff --git a/protocols/rdp/src/rdp_cliprdr.c b/protocols/rdp/src/rdp_cliprdr.c
index 44318bbd..7770ef9f 100644
--- a/protocols/rdp/src/rdp_cliprdr.c
+++ b/protocols/rdp/src/rdp_cliprdr.c
@@ -60,7 +60,8 @@ void guac_rdp_process_cliprdr_event(guac_client* client, RDP_EVENT* event) {
                 break;
 
             case RDP_EVENT_TYPE_CB_DATA_REQUEST:
-                guac_rdp_process_cb_data_request(client, event);
+                guac_rdp_process_cb_data_request(client,
+                        (RDP_CB_DATA_REQUEST_EVENT*) event);
                 break;
 
             case RDP_EVENT_TYPE_CB_DATA_RESPONSE:
@@ -135,9 +136,40 @@ void guac_rdp_process_cb_format_list(guac_client* client,
 
 }
 
-void guac_rdp_process_cb_data_request(guac_client* client, RDP_EVENT* event) {
-    /* STUB */
-    guac_client_log_info(client, "data_request");
+void guac_rdp_process_cb_data_request(guac_client* client,
+        RDP_CB_DATA_REQUEST_EVENT* event) {
+
+    rdpChannels* channels = 
+        ((rdp_guac_client_data*) client->data)->rdp_inst->context->channels;
+
+    /* If text requested, send clipboard text contents */
+    if (event->format == CB_FORMAT_TEXT) {
+
+        /* Get clipboard data */
+        const char* clipboard =
+            ((rdp_guac_client_data*) client->data)->clipboard;
+
+        /* Create new data response */
+        RDP_CB_DATA_RESPONSE_EVENT* data_response =
+            (RDP_CB_DATA_RESPONSE_EVENT*) freerdp_event_new(
+                    RDP_EVENT_CLASS_CLIPRDR,
+                    RDP_EVENT_TYPE_CB_DATA_RESPONSE,
+                    NULL, NULL);
+
+        /* Set data and length */
+        data_response->data = (uint8*) strdup(clipboard);
+        data_response->size = strlen(clipboard) + 1;
+
+        /* Send response */
+        freerdp_channels_send_event(channels, (RDP_EVENT*) data_response);
+
+    }
+
+    /* Otherwise ... failure */
+    else
+        guac_client_log_error(client, 
+                "Server requested unsupported clipboard data type");
+
 }
 
 void guac_rdp_process_cb_data_response(guac_client* client,