From 39a828d52f7870c4b6cae93c8462098ec1ee42a6 Mon Sep 17 00:00:00 2001
From: Jay Sorg <jay.sorg@gmail.com>
Date: Tue, 12 Mar 2013 23:22:11 -0700
Subject: [PATCH] work on new(color) cursors

---
 libxrdp/libxrdp.c | 91 +++++++++++++++++++++++++++++------------------
 1 file changed, 56 insertions(+), 35 deletions(-)

diff --git a/libxrdp/libxrdp.c b/libxrdp/libxrdp.c
index 78823135..91ff1e35 100644
--- a/libxrdp/libxrdp.c
+++ b/libxrdp/libxrdp.c
@@ -425,73 +425,94 @@ libxrdp_send_pointer(struct xrdp_session *session, int cache_idx,
     tui32 *p32;
     int i;
     int j;
+    int data_bytes;
 
     DEBUG(("libxrdp_send_pointer sending cursor"));
+    /* error check */
+    if ((session->client_info->pointer_flags & 1) == 0)
+    {
+        if (bpp != 0)
+        {
+            g_writeln("libxrdp_send_pointer: error");
+            return 1;
+        }
+    }
+    if ((bpp != 0) && (bpp == 15) && (bpp != 16) &&
+        (bpp != 24) && (bpp != 32))
+    {
+        g_writeln("libxrdp_send_pointer: error");
+        return 1;
+    }
     make_stream(s);
     init_stream(s, 8192);
     xrdp_rdp_init_data((struct xrdp_rdp *)session->rdp, s);
     if (bpp == 0)
     {
         out_uint16_le(s, RDP_POINTER_COLOR);
+        out_uint16_le(s, 0); /* pad */
+        data_bytes = 3072;
     }
     else
     {
         out_uint16_le(s, RDP_POINTER_POINTER);
+        out_uint16_le(s, 0); /* pad */
         out_uint16_le(s, bpp);
+        data_bytes = ((bpp + 7) / 8) * 32 * 32;
     }
-    out_uint16_le(s, 0); /* pad */
     out_uint16_le(s, cache_idx); /* cache_idx */
     out_uint16_le(s, x);
     out_uint16_le(s, y);
     out_uint16_le(s, 32);
     out_uint16_le(s, 32);
     out_uint16_le(s, 128);
-    out_uint16_le(s, 3072);
+    out_uint16_le(s, data_bytes);
 
-    if (bpp == 16)
+    switch (bpp)
     {
-        p16 = (tui16 *) data;
-        for (i = 0; i < 32; i++)
-        {
-            for (j = 0; j < 32; j++)
+        case 15:
+        case 16:
+            p16 = (tui16 *) data;
+            for (i = 0; i < 32; i++)
             {
-                out_uint16_le(s, *p16);
-                p16++;
+                for (j = 0; j < 32; j++)
+                {
+                    out_uint16_le(s, *p16);
+                    p16++;
+                }
             }
-        }
-    }
-    else if (bpp == 32)
-    {
-        p32 = (tui32 *) data;
-        for (i = 0; i < 32; i++)
-        {
-            for (j = 0; j < 32; j++)
+            break;
+        case 0:
+        case 24:
+            p = data;
+            for (i = 0; i < 32; i++)
             {
-                out_uint32_le(s, *p32);
-                p32++;
+                for (j = 0; j < 32; j++)
+                {
+                    out_uint8(s, *p);
+                    p++;
+                    out_uint8(s, *p);
+                    p++;
+                    out_uint8(s, *p);
+                    p++;
+                }
             }
-        }
-    }
-    else if ((bpp == 0) || (bpp == 24))
-    {
-        p = data;
-        for (i = 0; i < 32; i++)
-        {
-            for (j = 0; j < 32; j++)
+            break;
+        case 32:
+            p32 = (tui32 *) data;
+            for (i = 0; i < 32; i++)
             {
-                out_uint8(s, *p);
-                p++;
-                out_uint8(s, *p);
-                p++;
-                out_uint8(s, *p);
-                p++;
+                for (j = 0; j < 32; j++)
+                {
+                    out_uint32_le(s, *p32);
+                    p32++;
+                }
             }
-        }
+            break;
     }
 
     out_uint8a(s, mask, 128); /* mask */
     s_mark_end(s);
-    xrdp_rdp_send_data((struct xrdp_rdp *)session->rdp, s,
+    xrdp_rdp_send_data((struct xrdp_rdp *)(session->rdp), s,
                        RDP_DATA_PDU_POINTER);
     free_stream(s);
     return 0;