1 /* -*- c-basic-offset: 8 -*-
2 rdesktop: A Remote Desktop Protocol client.
3 Protocol services - RDP5 short form PDU processing
4 Copyright (C) Matthew Chapman 1999-2005
5 Copyright (C) Erik Forsberg 2003
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 extern uint8
*g_next_packet
;
26 extern RDPCOMP g_mppc_dict
;
29 rdp5_process(STREAM s
)
31 uint16 length
, count
, x
, y
;
36 struct stream
*ns
= &(g_mppc_dict
.ns
);
40 printf("RDP5 data:\n");
41 hexdump(s
->p
, s
->end
- s
->p
);
48 if (type
& RDP5_COMPRESSED
)
51 in_uint16_le(s
, length
);
52 type
^= RDP5_COMPRESSED
;
57 in_uint16_le(s
, length
);
59 g_next_packet
= next
= s
->p
+ length
;
61 if (ctype
& RDP_MPPC_COMPRESSED
)
63 if (mppc_expand(s
->p
, length
, ctype
, &roff
, &rlen
) == -1)
64 error("error while decompressing packet\n");
66 /* allocate memory and copy the uncompressed data into the temporary stream */
67 ns
->data
= (uint8
*) xrealloc(ns
->data
, rlen
);
69 memcpy((ns
->data
), (unsigned char *) (g_mppc_dict
.hist
+ roff
), rlen
);
72 ns
->end
= (ns
->data
+ ns
->size
);
83 case 0: /* update orders */
84 in_uint16_le(ts
, count
);
85 process_orders(ts
, count
);
87 case 1: /* update bitmap */
88 in_uint8s(ts
, 2); /* part length */
89 process_bitmap_updates(ts
);
91 case 2: /* update palette */
92 in_uint8s(ts
, 2); /* uint16 = 2 */
95 case 3: /* update synchronize */
97 case 5: /* null pointer */
100 case 6: /* default pointer */
102 case 8: /* pointer position */
106 ui_move_pointer(x
, y
);
108 case 9: /* color pointer */
109 process_colour_pointer_pdu(ts
);
111 case 10: /* cached pointer */
112 process_cached_pointer_pdu(ts
);
115 unimpl("RDP5 opcode %d\n", type
);