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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Protocol services - RDP layer |
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Copyright (C) Matthew Chapman 1999-2005 |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include <time.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include "rdesktop.h" |
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|
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#ifdef HAVE_ICONV |
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#ifdef HAVE_ICONV_H |
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#include <iconv.h> |
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#endif |
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|
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#ifndef ICONV_CONST |
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#define ICONV_CONST "" |
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#endif |
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#endif |
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|
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extern uint16 g_mcs_userid; |
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extern char g_username[64]; |
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extern char g_codepage[16]; |
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extern BOOL g_bitmap_compression; |
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extern BOOL g_orders; |
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extern BOOL g_encryption; |
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extern BOOL g_desktop_save; |
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extern BOOL g_polygon_ellipse_orders; |
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extern BOOL g_use_rdp5; |
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extern uint16 g_server_rdp_version; |
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extern uint32 g_rdp5_performanceflags; |
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extern int g_server_bpp; |
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extern int g_width; |
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extern int g_height; |
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extern BOOL g_bitmap_cache; |
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extern BOOL g_bitmap_cache_persist_enable; |
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|
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uint8 *g_next_packet; |
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uint32 g_rdp_shareid; |
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|
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extern RDPCOMP g_mppc_dict; |
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|
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#if WITH_DEBUG |
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static uint32 g_packetno; |
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#endif |
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|
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#ifdef HAVE_ICONV |
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static BOOL g_iconv_works = True; |
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#endif |
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|
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/* Receive an RDP packet */ |
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static STREAM |
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rdp_recv(uint8 * type) |
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{ |
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static STREAM rdp_s; |
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uint16 length, pdu_type; |
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uint8 rdpver; |
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|
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if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end)) |
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{ |
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rdp_s = sec_recv(&rdpver); |
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if (rdp_s == NULL) |
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return NULL; |
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if (rdpver == 0xff) |
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{ |
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g_next_packet = rdp_s->end; |
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*type = 0; |
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return rdp_s; |
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} |
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else if (rdpver != 3) |
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{ |
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/* rdp5_process should move g_next_packet ok */ |
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rdp5_process(rdp_s); |
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*type = 0; |
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return rdp_s; |
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} |
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|
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g_next_packet = rdp_s->p; |
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} |
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else |
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{ |
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rdp_s->p = g_next_packet; |
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} |
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|
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in_uint16_le(rdp_s, length); |
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/* 32k packets are really 8, keepalive fix */ |
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if (length == 0x8000) |
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{ |
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g_next_packet += 8; |
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*type = 0; |
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return rdp_s; |
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} |
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in_uint16_le(rdp_s, pdu_type); |
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in_uint8s(rdp_s, 2); /* userid */ |
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*type = pdu_type & 0xf; |
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|
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#if WITH_DEBUG |
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DEBUG(("RDP packet #%d, (type %x)\n", ++g_packetno, *type)); |
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hexdump(g_next_packet, length); |
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#endif /* */ |
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|
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g_next_packet += length; |
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return rdp_s; |
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} |
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|
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/* Initialise an RDP data packet */ |
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static STREAM |
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rdp_init_data(int maxlen) |
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{ |
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STREAM s; |
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|
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s = sec_init(g_encryption ? SEC_ENCRYPT : 0, maxlen + 18); |
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s_push_layer(s, rdp_hdr, 18); |
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|
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return s; |
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} |
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|
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/* Send an RDP data packet */ |
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static void |
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rdp_send_data(STREAM s, uint8 data_pdu_type) |
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{ |
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uint16 length; |
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|
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s_pop_layer(s, rdp_hdr); |
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length = s->end - s->p; |
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|
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out_uint16_le(s, length); |
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out_uint16_le(s, (RDP_PDU_DATA | 0x10)); |
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out_uint16_le(s, (g_mcs_userid + 1001)); |
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|
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out_uint32_le(s, g_rdp_shareid); |
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out_uint8(s, 0); /* pad */ |
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out_uint8(s, 1); /* streamid */ |
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out_uint16_le(s, (length - 14)); |
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out_uint8(s, data_pdu_type); |
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out_uint8(s, 0); /* compress_type */ |
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out_uint16(s, 0); /* compress_len */ |
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|
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sec_send(s, g_encryption ? SEC_ENCRYPT : 0); |
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} |
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|
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/* Output a string in Unicode */ |
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void |
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rdp_out_unistr(STREAM s, char *string, int len) |
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{ |
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#ifdef HAVE_ICONV |
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size_t ibl = strlen(string), obl = len + 2; |
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static iconv_t iconv_h = (iconv_t) - 1; |
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char *pin = string, *pout = s->p; |
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|
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memset(pout, 0, len + 4); |
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|
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if (g_iconv_works) |
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{ |
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if (iconv_h == (iconv_t) - 1) |
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{ |
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size_t i = 1, o = 4; |
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if ((iconv_h = iconv_open(WINDOWS_CODEPAGE, g_codepage)) == (iconv_t) - 1) |
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{ |
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warning("rdp_out_unistr: iconv_open[%s -> %s] fail %d\n", |
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g_codepage, WINDOWS_CODEPAGE, (int) iconv_h); |
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|
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g_iconv_works = False; |
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return (rdp_out_unistr(s, string, len)); |
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} |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &i, &pout, &o) == |
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(size_t) - 1) |
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{ |
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iconv_close(iconv_h); |
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iconv_h = (iconv_t) - 1; |
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warning("rdp_out_unistr: iconv(1) fail, errno %d\n", errno); |
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|
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g_iconv_works = False; |
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return (rdp_out_unistr(s, string, len)); |
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} |
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pin = string; |
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pout = (char *) s->p; |
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} |
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|
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
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{ |
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iconv_close(iconv_h); |
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iconv_h = (iconv_t) - 1; |
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warning("rdp_out_unistr: iconv(2) fail, errno %d\n", errno); |
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|
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g_iconv_works = False; |
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return (rdp_out_unistr(s, string, len)); |
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} |
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|
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s->p += len + 2; |
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|
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} |
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else |
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#endif |
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{ |
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int i = 0, j = 0; |
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|
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len += 2; |
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|
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while (i < len) |
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{ |
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s->p[i++] = string[j++]; |
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s->p[i++] = 0; |
219 |
} |
220 |
|
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s->p += len; |
222 |
} |
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} |
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|
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/* Input a string in Unicode |
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* |
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* Returns str_len of string |
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*/ |
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int |
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rdp_in_unistr(STREAM s, char *string, int uni_len) |
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{ |
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#ifdef HAVE_ICONV |
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size_t ibl = uni_len, obl = uni_len; |
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char *pin = s->p, *pout = string; |
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static iconv_t iconv_h = (iconv_t) - 1; |
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|
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if (g_iconv_works) |
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{ |
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if (iconv_h == (iconv_t) - 1) |
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{ |
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if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) |
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{ |
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warning("rdp_in_unistr: iconv_open[%s -> %s] fail %d\n", |
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WINDOWS_CODEPAGE, g_codepage, (int) iconv_h); |
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|
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g_iconv_works = False; |
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return rdp_in_unistr(s, string, uni_len); |
248 |
} |
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} |
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|
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
252 |
{ |
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iconv_close(iconv_h); |
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iconv_h = (iconv_t) - 1; |
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warning("rdp_in_unistr: iconv fail, errno %d\n", errno); |
256 |
|
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g_iconv_works = False; |
258 |
return rdp_in_unistr(s, string, uni_len); |
259 |
} |
260 |
return pout - string; |
261 |
} |
262 |
else |
263 |
#endif |
264 |
{ |
265 |
int i = 0; |
266 |
|
267 |
while (i < uni_len / 2) |
268 |
{ |
269 |
in_uint8a(s, &string[i++], 1); |
270 |
in_uint8s(s, 1); |
271 |
} |
272 |
|
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return i - 1; |
274 |
} |
275 |
} |
276 |
|
277 |
|
278 |
/* Parse a logon info packet */ |
279 |
static void |
280 |
rdp_send_logon_info(uint32 flags, char *domain, char *user, |
281 |
char *password, char *program, char *directory) |
282 |
{ |
283 |
char *ipaddr = tcp_get_address(); |
284 |
int len_domain = 2 * strlen(domain); |
285 |
int len_user = 2 * strlen(user); |
286 |
int len_password = 2 * strlen(password); |
287 |
int len_program = 2 * strlen(program); |
288 |
int len_directory = 2 * strlen(directory); |
289 |
int len_ip = 2 * strlen(ipaddr); |
290 |
int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); |
291 |
int packetlen = 0; |
292 |
uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
293 |
STREAM s; |
294 |
time_t t = time(NULL); |
295 |
time_t tzone; |
296 |
|
297 |
#if 0 |
298 |
/* enable rdp compression */ |
299 |
/* some problems still exist with rdp5 */ |
300 |
flags |= RDP_COMPRESSION; |
301 |
#endif |
302 |
|
303 |
if (!g_use_rdp5 || 1 == g_server_rdp_version) |
304 |
{ |
305 |
DEBUG_RDP5(("Sending RDP4-style Logon packet\n")); |
306 |
|
307 |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
308 |
+ len_program + len_directory + 10); |
309 |
|
310 |
out_uint32(s, 0); |
311 |
out_uint32_le(s, flags); |
312 |
out_uint16_le(s, len_domain); |
313 |
out_uint16_le(s, len_user); |
314 |
out_uint16_le(s, len_password); |
315 |
out_uint16_le(s, len_program); |
316 |
out_uint16_le(s, len_directory); |
317 |
rdp_out_unistr(s, domain, len_domain); |
318 |
rdp_out_unistr(s, user, len_user); |
319 |
rdp_out_unistr(s, password, len_password); |
320 |
rdp_out_unistr(s, program, len_program); |
321 |
rdp_out_unistr(s, directory, len_directory); |
322 |
} |
323 |
else |
324 |
{ |
325 |
|
326 |
flags |= RDP_LOGON_BLOB; |
327 |
DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
328 |
packetlen = 4 + /* Unknown uint32 */ |
329 |
4 + /* flags */ |
330 |
2 + /* len_domain */ |
331 |
2 + /* len_user */ |
332 |
(flags & RDP_LOGON_AUTO ? 2 : 0) + /* len_password */ |
333 |
(flags & RDP_LOGON_BLOB ? 2 : 0) + /* Length of BLOB */ |
334 |
2 + /* len_program */ |
335 |
2 + /* len_directory */ |
336 |
(0 < len_domain ? len_domain : 2) + /* domain */ |
337 |
len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + /* We have no 512 byte BLOB. Perhaps we must? */ |
338 |
(flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + /* After the BLOB is a unknown int16. If there is a BLOB, that is. */ |
339 |
(0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + /* Unknown (2) */ |
340 |
2 + /* Client ip length */ |
341 |
len_ip + /* Client ip */ |
342 |
2 + /* DLL string length */ |
343 |
len_dll + /* DLL string */ |
344 |
2 + /* Unknown */ |
345 |
2 + /* Unknown */ |
346 |
64 + /* Time zone #0 */ |
347 |
2 + /* Unknown */ |
348 |
64 + /* Time zone #1 */ |
349 |
32; /* Unknown */ |
350 |
|
351 |
s = sec_init(sec_flags, packetlen); |
352 |
DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); |
353 |
|
354 |
out_uint32(s, 0); /* Unknown */ |
355 |
out_uint32_le(s, flags); |
356 |
out_uint16_le(s, len_domain); |
357 |
out_uint16_le(s, len_user); |
358 |
if (flags & RDP_LOGON_AUTO) |
359 |
{ |
360 |
out_uint16_le(s, len_password); |
361 |
|
362 |
} |
363 |
if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
364 |
{ |
365 |
out_uint16_le(s, 0); |
366 |
} |
367 |
out_uint16_le(s, len_program); |
368 |
out_uint16_le(s, len_directory); |
369 |
if (0 < len_domain) |
370 |
rdp_out_unistr(s, domain, len_domain); |
371 |
else |
372 |
out_uint16_le(s, 0); |
373 |
rdp_out_unistr(s, user, len_user); |
374 |
if (flags & RDP_LOGON_AUTO) |
375 |
{ |
376 |
rdp_out_unistr(s, password, len_password); |
377 |
} |
378 |
if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
379 |
{ |
380 |
out_uint16_le(s, 0); |
381 |
} |
382 |
if (0 < len_program) |
383 |
{ |
384 |
rdp_out_unistr(s, program, len_program); |
385 |
|
386 |
} |
387 |
else |
388 |
{ |
389 |
out_uint16_le(s, 0); |
390 |
} |
391 |
if (0 < len_directory) |
392 |
{ |
393 |
rdp_out_unistr(s, directory, len_directory); |
394 |
} |
395 |
else |
396 |
{ |
397 |
out_uint16_le(s, 0); |
398 |
} |
399 |
out_uint16_le(s, 2); |
400 |
out_uint16_le(s, len_ip + 2); /* Length of client ip */ |
401 |
rdp_out_unistr(s, ipaddr, len_ip); |
402 |
out_uint16_le(s, len_dll + 2); |
403 |
rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); |
404 |
|
405 |
tzone = (mktime(gmtime(&t)) - mktime(localtime(&t))) / 60; |
406 |
out_uint32_le(s, tzone); |
407 |
|
408 |
rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); |
409 |
out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); |
410 |
|
411 |
out_uint32_le(s, 0x0a0000); |
412 |
out_uint32_le(s, 0x050000); |
413 |
out_uint32_le(s, 3); |
414 |
out_uint32_le(s, 0); |
415 |
out_uint32_le(s, 0); |
416 |
|
417 |
rdp_out_unistr(s, "GTB, sommartid", 2 * strlen("GTB, sommartid")); |
418 |
out_uint8s(s, 62 - 2 * strlen("GTB, sommartid")); |
419 |
|
420 |
out_uint32_le(s, 0x30000); |
421 |
out_uint32_le(s, 0x050000); |
422 |
out_uint32_le(s, 2); |
423 |
out_uint32(s, 0); |
424 |
out_uint32_le(s, 0xffffffc4); |
425 |
out_uint32_le(s, 0xfffffffe); |
426 |
out_uint32_le(s, g_rdp5_performanceflags); |
427 |
out_uint32(s, 0); |
428 |
|
429 |
|
430 |
} |
431 |
s_mark_end(s); |
432 |
sec_send(s, sec_flags); |
433 |
} |
434 |
|
435 |
/* Send a control PDU */ |
436 |
static void |
437 |
rdp_send_control(uint16 action) |
438 |
{ |
439 |
STREAM s; |
440 |
|
441 |
s = rdp_init_data(8); |
442 |
|
443 |
out_uint16_le(s, action); |
444 |
out_uint16(s, 0); /* userid */ |
445 |
out_uint32(s, 0); /* control id */ |
446 |
|
447 |
s_mark_end(s); |
448 |
rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
449 |
} |
450 |
|
451 |
/* Send a synchronisation PDU */ |
452 |
static void |
453 |
rdp_send_synchronise(void) |
454 |
{ |
455 |
STREAM s; |
456 |
|
457 |
s = rdp_init_data(4); |
458 |
|
459 |
out_uint16_le(s, 1); /* type */ |
460 |
out_uint16_le(s, 1002); |
461 |
|
462 |
s_mark_end(s); |
463 |
rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
464 |
} |
465 |
|
466 |
/* Send a single input event */ |
467 |
void |
468 |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) |
469 |
{ |
470 |
STREAM s; |
471 |
|
472 |
s = rdp_init_data(16); |
473 |
|
474 |
out_uint16_le(s, 1); /* number of events */ |
475 |
out_uint16(s, 0); /* pad */ |
476 |
|
477 |
out_uint32_le(s, time); |
478 |
out_uint16_le(s, message_type); |
479 |
out_uint16_le(s, device_flags); |
480 |
out_uint16_le(s, param1); |
481 |
out_uint16_le(s, param2); |
482 |
|
483 |
s_mark_end(s); |
484 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
485 |
} |
486 |
|
487 |
/* Inform the server on the contents of the persistent bitmap cache */ |
488 |
static void |
489 |
rdp_enum_bmpcache2(void) |
490 |
{ |
491 |
STREAM s; |
492 |
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
493 |
uint32 num_keys, offset, count, flags; |
494 |
|
495 |
offset = 0; |
496 |
num_keys = pstcache_enumerate(2, keylist); |
497 |
|
498 |
while (offset < num_keys) |
499 |
{ |
500 |
count = MIN(num_keys - offset, 169); |
501 |
|
502 |
s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
503 |
|
504 |
flags = 0; |
505 |
if (offset == 0) |
506 |
flags |= PDU_FLAG_FIRST; |
507 |
if (num_keys - offset <= 169) |
508 |
flags |= PDU_FLAG_LAST; |
509 |
|
510 |
/* header */ |
511 |
out_uint32_le(s, 0); |
512 |
out_uint16_le(s, count); |
513 |
out_uint16_le(s, 0); |
514 |
out_uint16_le(s, 0); |
515 |
out_uint16_le(s, 0); |
516 |
out_uint16_le(s, 0); |
517 |
out_uint16_le(s, num_keys); |
518 |
out_uint32_le(s, 0); |
519 |
out_uint32_le(s, flags); |
520 |
|
521 |
/* list */ |
522 |
out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
523 |
|
524 |
s_mark_end(s); |
525 |
rdp_send_data(s, 0x2b); |
526 |
|
527 |
offset += 169; |
528 |
} |
529 |
} |
530 |
|
531 |
/* Send an (empty) font information PDU */ |
532 |
static void |
533 |
rdp_send_fonts(uint16 seq) |
534 |
{ |
535 |
STREAM s; |
536 |
|
537 |
s = rdp_init_data(8); |
538 |
|
539 |
out_uint16(s, 0); /* number of fonts */ |
540 |
out_uint16_le(s, 0); /* pad? */ |
541 |
out_uint16_le(s, seq); /* unknown */ |
542 |
out_uint16_le(s, 0x32); /* entry size */ |
543 |
|
544 |
s_mark_end(s); |
545 |
rdp_send_data(s, RDP_DATA_PDU_FONT2); |
546 |
} |
547 |
|
548 |
/* Output general capability set */ |
549 |
static void |
550 |
rdp_out_general_caps(STREAM s) |
551 |
{ |
552 |
out_uint16_le(s, RDP_CAPSET_GENERAL); |
553 |
out_uint16_le(s, RDP_CAPLEN_GENERAL); |
554 |
|
555 |
out_uint16_le(s, 1); /* OS major type */ |
556 |
out_uint16_le(s, 3); /* OS minor type */ |
557 |
out_uint16_le(s, 0x200); /* Protocol version */ |
558 |
out_uint16(s, 0); /* Pad */ |
559 |
out_uint16(s, 0); /* Compression types */ |
560 |
out_uint16_le(s, g_use_rdp5 ? 0x40d : 0); |
561 |
/* Pad, according to T.128. 0x40d seems to |
562 |
trigger |
563 |
the server to start sending RDP5 packets. |
564 |
However, the value is 0x1d04 with W2KTSK and |
565 |
NT4MS. Hmm.. Anyway, thankyou, Microsoft, |
566 |
for sending such information in a padding |
567 |
field.. */ |
568 |
out_uint16(s, 0); /* Update capability */ |
569 |
out_uint16(s, 0); /* Remote unshare capability */ |
570 |
out_uint16(s, 0); /* Compression level */ |
571 |
out_uint16(s, 0); /* Pad */ |
572 |
} |
573 |
|
574 |
/* Output bitmap capability set */ |
575 |
static void |
576 |
rdp_out_bitmap_caps(STREAM s) |
577 |
{ |
578 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
579 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
580 |
|
581 |
out_uint16_le(s, g_server_bpp); /* Preferred BPP */ |
582 |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
583 |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
584 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
585 |
out_uint16_le(s, 800); /* Desktop width */ |
586 |
out_uint16_le(s, 600); /* Desktop height */ |
587 |
out_uint16(s, 0); /* Pad */ |
588 |
out_uint16(s, 1); /* Allow resize */ |
589 |
out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ |
590 |
out_uint16(s, 0); /* Unknown */ |
591 |
out_uint16_le(s, 1); /* Unknown */ |
592 |
out_uint16(s, 0); /* Pad */ |
593 |
} |
594 |
|
595 |
/* Output order capability set */ |
596 |
static void |
597 |
rdp_out_order_caps(STREAM s) |
598 |
{ |
599 |
uint8 order_caps[32]; |
600 |
|
601 |
memset(order_caps, 0, 32); |
602 |
order_caps[0] = 1; /* dest blt */ |
603 |
order_caps[1] = 1; /* pat blt */ |
604 |
order_caps[2] = 1; /* screen blt */ |
605 |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
606 |
order_caps[4] = 0; /* triblt */ |
607 |
order_caps[8] = 1; /* line */ |
608 |
order_caps[9] = 1; /* line */ |
609 |
order_caps[10] = 1; /* rect */ |
610 |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
611 |
order_caps[13] = 1; /* memblt */ |
612 |
order_caps[14] = 1; /* triblt */ |
613 |
order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
614 |
order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
615 |
order_caps[22] = 1; /* polyline */ |
616 |
order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
617 |
order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
618 |
order_caps[27] = 1; /* text2 */ |
619 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
620 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
621 |
|
622 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
623 |
out_uint16_le(s, 1); /* Cache X granularity */ |
624 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
625 |
out_uint16(s, 0); /* Pad */ |
626 |
out_uint16_le(s, 1); /* Max order level */ |
627 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
628 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
629 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
630 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
631 |
out_uint8s(s, 6); /* Pad */ |
632 |
out_uint32_le(s, g_desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
633 |
out_uint32(s, 0); /* Unknown */ |
634 |
out_uint32_le(s, 0x4e4); /* Unknown */ |
635 |
} |
636 |
|
637 |
/* Output bitmap cache capability set */ |
638 |
static void |
639 |
rdp_out_bmpcache_caps(STREAM s) |
640 |
{ |
641 |
int Bpp; |
642 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
643 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
644 |
|
645 |
Bpp = (g_server_bpp + 7) / 8; |
646 |
out_uint8s(s, 24); /* unused */ |
647 |
out_uint16_le(s, 0x258); /* entries */ |
648 |
out_uint16_le(s, 0x100 * Bpp); /* max cell size */ |
649 |
out_uint16_le(s, 0x12c); /* entries */ |
650 |
out_uint16_le(s, 0x400 * Bpp); /* max cell size */ |
651 |
out_uint16_le(s, 0x106); /* entries */ |
652 |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
653 |
} |
654 |
|
655 |
/* Output bitmap cache v2 capability set */ |
656 |
static void |
657 |
rdp_out_bmpcache2_caps(STREAM s) |
658 |
{ |
659 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
660 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
661 |
|
662 |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
663 |
|
664 |
out_uint16_le(s, 0x0300); /* flags? number of caches? */ |
665 |
|
666 |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
667 |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
668 |
if (pstcache_init(2)) |
669 |
{ |
670 |
out_uint32_le(s, BMPCACHE2_NUM_PSTCELLS | BMPCACHE2_FLAG_PERSIST); |
671 |
} |
672 |
else |
673 |
{ |
674 |
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
675 |
} |
676 |
out_uint8s(s, 20); /* other bitmap caches not used */ |
677 |
} |
678 |
|
679 |
/* Output control capability set */ |
680 |
static void |
681 |
rdp_out_control_caps(STREAM s) |
682 |
{ |
683 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
684 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
685 |
|
686 |
out_uint16(s, 0); /* Control capabilities */ |
687 |
out_uint16(s, 0); /* Remote detach */ |
688 |
out_uint16_le(s, 2); /* Control interest */ |
689 |
out_uint16_le(s, 2); /* Detach interest */ |
690 |
} |
691 |
|
692 |
/* Output activation capability set */ |
693 |
static void |
694 |
rdp_out_activate_caps(STREAM s) |
695 |
{ |
696 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
697 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
698 |
|
699 |
out_uint16(s, 0); /* Help key */ |
700 |
out_uint16(s, 0); /* Help index key */ |
701 |
out_uint16(s, 0); /* Extended help key */ |
702 |
out_uint16(s, 0); /* Window activate */ |
703 |
} |
704 |
|
705 |
/* Output pointer capability set */ |
706 |
static void |
707 |
rdp_out_pointer_caps(STREAM s) |
708 |
{ |
709 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
710 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
711 |
|
712 |
out_uint16(s, 0); /* Colour pointer */ |
713 |
out_uint16_le(s, 20); /* Cache size */ |
714 |
} |
715 |
|
716 |
/* Output share capability set */ |
717 |
static void |
718 |
rdp_out_share_caps(STREAM s) |
719 |
{ |
720 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
721 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
722 |
|
723 |
out_uint16(s, 0); /* userid */ |
724 |
out_uint16(s, 0); /* pad */ |
725 |
} |
726 |
|
727 |
/* Output colour cache capability set */ |
728 |
static void |
729 |
rdp_out_colcache_caps(STREAM s) |
730 |
{ |
731 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
732 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
733 |
|
734 |
out_uint16_le(s, 6); /* cache size */ |
735 |
out_uint16(s, 0); /* pad */ |
736 |
} |
737 |
|
738 |
static uint8 caps_0x0d[] = { |
739 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, |
740 |
0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
741 |
0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
742 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
743 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
744 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
745 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
746 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
747 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
748 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
749 |
0x00, 0x00, 0x00, 0x00 |
750 |
}; |
751 |
|
752 |
static uint8 caps_0x0c[] = { 0x01, 0x00, 0x00, 0x00 }; |
753 |
|
754 |
static uint8 caps_0x0e[] = { 0x01, 0x00, 0x00, 0x00 }; |
755 |
|
756 |
static uint8 caps_0x10[] = { |
757 |
0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, |
758 |
0xFE, 0x00, 0x08, 0x00, 0xFE, 0x00, 0x08, 0x00, |
759 |
0xFE, 0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, |
760 |
0xFE, 0x00, 0x40, 0x00, 0xFE, 0x00, 0x80, 0x00, |
761 |
0xFE, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, |
762 |
0x00, 0x01, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00 |
763 |
}; |
764 |
|
765 |
/* Output unknown capability sets */ |
766 |
static void |
767 |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) |
768 |
{ |
769 |
out_uint16_le(s, id); |
770 |
out_uint16_le(s, length); |
771 |
|
772 |
out_uint8p(s, caps, length - 4); |
773 |
} |
774 |
|
775 |
#define RDP5_FLAG 0x0030 |
776 |
/* Send a confirm active PDU */ |
777 |
static void |
778 |
rdp_send_confirm_active(void) |
779 |
{ |
780 |
STREAM s; |
781 |
uint32 sec_flags = g_encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG; |
782 |
uint16 caplen = |
783 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
784 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
785 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
786 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
787 |
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
788 |
4 /* w2k fix, why? */ ; |
789 |
|
790 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
791 |
|
792 |
out_uint16_le(s, 2 + 14 + caplen + sizeof(RDP_SOURCE)); |
793 |
out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10)); /* Version 1 */ |
794 |
out_uint16_le(s, (g_mcs_userid + 1001)); |
795 |
|
796 |
out_uint32_le(s, g_rdp_shareid); |
797 |
out_uint16_le(s, 0x3ea); /* userid */ |
798 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
799 |
out_uint16_le(s, caplen); |
800 |
|
801 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
802 |
out_uint16_le(s, 0xd); /* num_caps */ |
803 |
out_uint8s(s, 2); /* pad */ |
804 |
|
805 |
rdp_out_general_caps(s); |
806 |
rdp_out_bitmap_caps(s); |
807 |
rdp_out_order_caps(s); |
808 |
g_use_rdp5 ? rdp_out_bmpcache2_caps(s) : rdp_out_bmpcache_caps(s); |
809 |
rdp_out_colcache_caps(s); |
810 |
rdp_out_activate_caps(s); |
811 |
rdp_out_control_caps(s); |
812 |
rdp_out_pointer_caps(s); |
813 |
rdp_out_share_caps(s); |
814 |
|
815 |
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
816 |
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
817 |
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
818 |
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
819 |
|
820 |
s_mark_end(s); |
821 |
sec_send(s, sec_flags); |
822 |
} |
823 |
|
824 |
/* Process a general capability set */ |
825 |
static void |
826 |
rdp_process_general_caps(STREAM s) |
827 |
{ |
828 |
uint16 pad2octetsB; /* rdp5 flags? */ |
829 |
|
830 |
in_uint8s(s, 10); |
831 |
in_uint16_le(s, pad2octetsB); |
832 |
|
833 |
if (!pad2octetsB) |
834 |
g_use_rdp5 = False; |
835 |
} |
836 |
|
837 |
/* Process a bitmap capability set */ |
838 |
static void |
839 |
rdp_process_bitmap_caps(STREAM s) |
840 |
{ |
841 |
uint16 width, height, bpp; |
842 |
|
843 |
in_uint16_le(s, bpp); |
844 |
in_uint8s(s, 6); |
845 |
|
846 |
in_uint16_le(s, width); |
847 |
in_uint16_le(s, height); |
848 |
|
849 |
DEBUG(("setting desktop size and bpp to: %dx%dx%d\n", width, height, bpp)); |
850 |
|
851 |
/* |
852 |
* The server may limit bpp and change the size of the desktop (for |
853 |
* example when shadowing another session). |
854 |
*/ |
855 |
if (g_server_bpp != bpp) |
856 |
{ |
857 |
warning("colour depth changed from %d to %d\n", g_server_bpp, bpp); |
858 |
g_server_bpp = bpp; |
859 |
} |
860 |
if (g_width != width || g_height != height) |
861 |
{ |
862 |
warning("screen size changed from %dx%d to %dx%d\n", g_width, g_height, |
863 |
width, height); |
864 |
g_width = width; |
865 |
g_height = height; |
866 |
ui_resize_window(); |
867 |
} |
868 |
} |
869 |
|
870 |
/* Process server capabilities */ |
871 |
void |
872 |
rdp_process_server_caps(STREAM s, uint16 length) |
873 |
{ |
874 |
int n; |
875 |
uint8 *next, *start; |
876 |
uint16 ncapsets, capset_type, capset_length; |
877 |
|
878 |
start = s->p; |
879 |
|
880 |
in_uint16_le(s, ncapsets); |
881 |
in_uint8s(s, 2); /* pad */ |
882 |
|
883 |
for (n = 0; n < ncapsets; n++) |
884 |
{ |
885 |
if (s->p > start + length) |
886 |
return; |
887 |
|
888 |
in_uint16_le(s, capset_type); |
889 |
in_uint16_le(s, capset_length); |
890 |
|
891 |
next = s->p + capset_length - 4; |
892 |
|
893 |
switch (capset_type) |
894 |
{ |
895 |
case RDP_CAPSET_GENERAL: |
896 |
rdp_process_general_caps(s); |
897 |
break; |
898 |
|
899 |
case RDP_CAPSET_BITMAP: |
900 |
rdp_process_bitmap_caps(s); |
901 |
break; |
902 |
} |
903 |
|
904 |
s->p = next; |
905 |
} |
906 |
} |
907 |
|
908 |
/* Respond to a demand active PDU */ |
909 |
static void |
910 |
process_demand_active(STREAM s) |
911 |
{ |
912 |
uint8 type; |
913 |
uint16 len_src_descriptor, len_combined_caps; |
914 |
|
915 |
in_uint32_le(s, g_rdp_shareid); |
916 |
in_uint16_le(s, len_src_descriptor); |
917 |
in_uint16_le(s, len_combined_caps); |
918 |
in_uint8s(s, len_src_descriptor); |
919 |
|
920 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
921 |
rdp_process_server_caps(s, len_combined_caps); |
922 |
|
923 |
rdp_send_confirm_active(); |
924 |
rdp_send_synchronise(); |
925 |
rdp_send_control(RDP_CTL_COOPERATE); |
926 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
927 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
928 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
929 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
930 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(read_keyboard_state()), 0); |
931 |
|
932 |
if (g_use_rdp5) |
933 |
{ |
934 |
rdp_enum_bmpcache2(); |
935 |
rdp_send_fonts(3); |
936 |
} |
937 |
else |
938 |
{ |
939 |
rdp_send_fonts(1); |
940 |
rdp_send_fonts(2); |
941 |
} |
942 |
|
943 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 (Fonts?) */ |
944 |
reset_order_state(); |
945 |
} |
946 |
|
947 |
/* Process a colour pointer PDU */ |
948 |
void |
949 |
process_colour_pointer_pdu(STREAM s) |
950 |
{ |
951 |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
952 |
uint8 *mask, *data; |
953 |
HCURSOR cursor; |
954 |
|
955 |
in_uint16_le(s, cache_idx); |
956 |
in_uint16_le(s, x); |
957 |
in_uint16_le(s, y); |
958 |
in_uint16_le(s, width); |
959 |
in_uint16_le(s, height); |
960 |
in_uint16_le(s, masklen); |
961 |
in_uint16_le(s, datalen); |
962 |
in_uint8p(s, data, datalen); |
963 |
in_uint8p(s, mask, masklen); |
964 |
cursor = ui_create_cursor(x, y, width, height, mask, data); |
965 |
ui_set_cursor(cursor); |
966 |
cache_put_cursor(cache_idx, cursor); |
967 |
} |
968 |
|
969 |
/* Process a cached pointer PDU */ |
970 |
void |
971 |
process_cached_pointer_pdu(STREAM s) |
972 |
{ |
973 |
uint16 cache_idx; |
974 |
|
975 |
in_uint16_le(s, cache_idx); |
976 |
ui_set_cursor(cache_get_cursor(cache_idx)); |
977 |
} |
978 |
|
979 |
/* Process a system pointer PDU */ |
980 |
void |
981 |
process_system_pointer_pdu(STREAM s) |
982 |
{ |
983 |
uint16 system_pointer_type; |
984 |
|
985 |
in_uint16(s, system_pointer_type); |
986 |
switch (system_pointer_type) |
987 |
{ |
988 |
case RDP_NULL_POINTER: |
989 |
ui_set_null_cursor(); |
990 |
break; |
991 |
|
992 |
default: |
993 |
unimpl("System pointer message 0x%x\n", system_pointer_type); |
994 |
} |
995 |
} |
996 |
|
997 |
/* Process a pointer PDU */ |
998 |
static void |
999 |
process_pointer_pdu(STREAM s) |
1000 |
{ |
1001 |
uint16 message_type; |
1002 |
uint16 x, y; |
1003 |
|
1004 |
in_uint16_le(s, message_type); |
1005 |
in_uint8s(s, 2); /* pad */ |
1006 |
|
1007 |
switch (message_type) |
1008 |
{ |
1009 |
case RDP_POINTER_MOVE: |
1010 |
in_uint16_le(s, x); |
1011 |
in_uint16_le(s, y); |
1012 |
if (s_check(s)) |
1013 |
ui_move_pointer(x, y); |
1014 |
break; |
1015 |
|
1016 |
case RDP_POINTER_COLOR: |
1017 |
process_colour_pointer_pdu(s); |
1018 |
break; |
1019 |
|
1020 |
case RDP_POINTER_CACHED: |
1021 |
process_cached_pointer_pdu(s); |
1022 |
break; |
1023 |
|
1024 |
case RDP_POINTER_SYSTEM: |
1025 |
process_system_pointer_pdu(s); |
1026 |
break; |
1027 |
|
1028 |
default: |
1029 |
unimpl("Pointer message 0x%x\n", message_type); |
1030 |
} |
1031 |
} |
1032 |
|
1033 |
/* Process bitmap updates */ |
1034 |
void |
1035 |
process_bitmap_updates(STREAM s) |
1036 |
{ |
1037 |
uint16 num_updates; |
1038 |
uint16 left, top, right, bottom, width, height; |
1039 |
uint16 cx, cy, bpp, Bpp, compress, bufsize, size; |
1040 |
uint8 *data, *bmpdata; |
1041 |
int i; |
1042 |
|
1043 |
in_uint16_le(s, num_updates); |
1044 |
|
1045 |
for (i = 0; i < num_updates; i++) |
1046 |
{ |
1047 |
in_uint16_le(s, left); |
1048 |
in_uint16_le(s, top); |
1049 |
in_uint16_le(s, right); |
1050 |
in_uint16_le(s, bottom); |
1051 |
in_uint16_le(s, width); |
1052 |
in_uint16_le(s, height); |
1053 |
in_uint16_le(s, bpp); |
1054 |
Bpp = (bpp + 7) / 8; |
1055 |
in_uint16_le(s, compress); |
1056 |
in_uint16_le(s, bufsize); |
1057 |
|
1058 |
cx = right - left + 1; |
1059 |
cy = bottom - top + 1; |
1060 |
|
1061 |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
1062 |
left, top, right, bottom, width, height, Bpp, compress)); |
1063 |
|
1064 |
if (!compress) |
1065 |
{ |
1066 |
int y; |
1067 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
1068 |
for (y = 0; y < height; y++) |
1069 |
{ |
1070 |
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)], |
1071 |
width * Bpp); |
1072 |
} |
1073 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
1074 |
xfree(bmpdata); |
1075 |
continue; |
1076 |
} |
1077 |
|
1078 |
|
1079 |
if (compress & 0x400) |
1080 |
{ |
1081 |
size = bufsize; |
1082 |
} |
1083 |
else |
1084 |
{ |
1085 |
in_uint8s(s, 2); /* pad */ |
1086 |
in_uint16_le(s, size); |
1087 |
in_uint8s(s, 4); /* line_size, final_size */ |
1088 |
} |
1089 |
in_uint8p(s, data, size); |
1090 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
1091 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
1092 |
{ |
1093 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
1094 |
} |
1095 |
else |
1096 |
{ |
1097 |
DEBUG_RDP5(("Failed to decompress data\n")); |
1098 |
} |
1099 |
|
1100 |
xfree(bmpdata); |
1101 |
} |
1102 |
} |
1103 |
|
1104 |
/* Process a palette update */ |
1105 |
void |
1106 |
process_palette(STREAM s) |
1107 |
{ |
1108 |
COLOURENTRY *entry; |
1109 |
COLOURMAP map; |
1110 |
HCOLOURMAP hmap; |
1111 |
int i; |
1112 |
|
1113 |
in_uint8s(s, 2); /* pad */ |
1114 |
in_uint16_le(s, map.ncolours); |
1115 |
in_uint8s(s, 2); /* pad */ |
1116 |
|
1117 |
map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours); |
1118 |
|
1119 |
DEBUG(("PALETTE(c=%d)\n", map.ncolours)); |
1120 |
|
1121 |
for (i = 0; i < map.ncolours; i++) |
1122 |
{ |
1123 |
entry = &map.colours[i]; |
1124 |
in_uint8(s, entry->red); |
1125 |
in_uint8(s, entry->green); |
1126 |
in_uint8(s, entry->blue); |
1127 |
} |
1128 |
|
1129 |
hmap = ui_create_colourmap(&map); |
1130 |
ui_set_colourmap(hmap); |
1131 |
|
1132 |
xfree(map.colours); |
1133 |
} |
1134 |
|
1135 |
/* Process an update PDU */ |
1136 |
static void |
1137 |
process_update_pdu(STREAM s) |
1138 |
{ |
1139 |
uint16 update_type, count; |
1140 |
|
1141 |
in_uint16_le(s, update_type); |
1142 |
|
1143 |
ui_begin_update(); |
1144 |
switch (update_type) |
1145 |
{ |
1146 |
case RDP_UPDATE_ORDERS: |
1147 |
in_uint8s(s, 2); /* pad */ |
1148 |
in_uint16_le(s, count); |
1149 |
in_uint8s(s, 2); /* pad */ |
1150 |
process_orders(s, count); |
1151 |
break; |
1152 |
|
1153 |
case RDP_UPDATE_BITMAP: |
1154 |
process_bitmap_updates(s); |
1155 |
break; |
1156 |
|
1157 |
case RDP_UPDATE_PALETTE: |
1158 |
process_palette(s); |
1159 |
break; |
1160 |
|
1161 |
case RDP_UPDATE_SYNCHRONIZE: |
1162 |
break; |
1163 |
|
1164 |
default: |
1165 |
unimpl("update %d\n", update_type); |
1166 |
} |
1167 |
ui_end_update(); |
1168 |
} |
1169 |
|
1170 |
/* Process a disconnect PDU */ |
1171 |
void |
1172 |
process_disconnect_pdu(STREAM s, uint32 * ext_disc_reason) |
1173 |
{ |
1174 |
in_uint32_le(s, *ext_disc_reason); |
1175 |
|
1176 |
DEBUG(("Received disconnect PDU\n")); |
1177 |
} |
1178 |
|
1179 |
/* Process data PDU */ |
1180 |
static BOOL |
1181 |
process_data_pdu(STREAM s, uint32 * ext_disc_reason) |
1182 |
{ |
1183 |
uint8 data_pdu_type; |
1184 |
uint8 ctype; |
1185 |
uint16 clen; |
1186 |
uint32 len; |
1187 |
|
1188 |
uint32 roff, rlen; |
1189 |
|
1190 |
struct stream *ns = &(g_mppc_dict.ns); |
1191 |
|
1192 |
in_uint8s(s, 6); /* shareid, pad, streamid */ |
1193 |
in_uint16(s, len); |
1194 |
in_uint8(s, data_pdu_type); |
1195 |
in_uint8(s, ctype); |
1196 |
in_uint16(s, clen); |
1197 |
clen -= 18; |
1198 |
|
1199 |
if (ctype & RDP_MPPC_COMPRESSED) |
1200 |
{ |
1201 |
if (len > RDP_MPPC_DICT_SIZE) |
1202 |
error("error decompressed packet size exceeds max\n"); |
1203 |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
1204 |
error("error while decompressing packet\n"); |
1205 |
|
1206 |
/* len -= 18; */ |
1207 |
|
1208 |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
1209 |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
1210 |
|
1211 |
memcpy((ns->data), (unsigned char *) (g_mppc_dict.hist + roff), rlen); |
1212 |
|
1213 |
ns->size = rlen; |
1214 |
ns->end = (ns->data + ns->size); |
1215 |
ns->p = ns->data; |
1216 |
ns->rdp_hdr = ns->p; |
1217 |
|
1218 |
s = ns; |
1219 |
} |
1220 |
|
1221 |
switch (data_pdu_type) |
1222 |
{ |
1223 |
case RDP_DATA_PDU_UPDATE: |
1224 |
process_update_pdu(s); |
1225 |
break; |
1226 |
|
1227 |
case RDP_DATA_PDU_CONTROL: |
1228 |
DEBUG(("Received Control PDU\n")); |
1229 |
break; |
1230 |
|
1231 |
case RDP_DATA_PDU_SYNCHRONISE: |
1232 |
DEBUG(("Received Sync PDU\n")); |
1233 |
break; |
1234 |
|
1235 |
case RDP_DATA_PDU_POINTER: |
1236 |
process_pointer_pdu(s); |
1237 |
break; |
1238 |
|
1239 |
case RDP_DATA_PDU_BELL: |
1240 |
ui_bell(); |
1241 |
break; |
1242 |
|
1243 |
case RDP_DATA_PDU_LOGON: |
1244 |
DEBUG(("Received Logon PDU\n")); |
1245 |
/* User logged on */ |
1246 |
break; |
1247 |
|
1248 |
case RDP_DATA_PDU_DISCONNECT: |
1249 |
process_disconnect_pdu(s, ext_disc_reason); |
1250 |
return True; |
1251 |
|
1252 |
default: |
1253 |
unimpl("data PDU %d\n", data_pdu_type); |
1254 |
} |
1255 |
return False; |
1256 |
} |
1257 |
|
1258 |
/* Process incoming packets */ |
1259 |
/* nevers gets out of here till app is done */ |
1260 |
void |
1261 |
rdp_main_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
1262 |
{ |
1263 |
while (rdp_loop(deactivated, ext_disc_reason)) |
1264 |
; |
1265 |
} |
1266 |
|
1267 |
/* used in uiports and rdp_main_loop, processes the rdp packets waiting */ |
1268 |
BOOL |
1269 |
rdp_loop(BOOL * deactivated, uint32 * ext_disc_reason) |
1270 |
{ |
1271 |
uint8 type; |
1272 |
BOOL disc = False; /* True when a disconnect PDU was received */ |
1273 |
BOOL cont = True; |
1274 |
STREAM s; |
1275 |
|
1276 |
while (cont) |
1277 |
{ |
1278 |
s = rdp_recv(&type); |
1279 |
if (s == NULL) |
1280 |
return False; |
1281 |
switch (type) |
1282 |
{ |
1283 |
case RDP_PDU_DEMAND_ACTIVE: |
1284 |
process_demand_active(s); |
1285 |
*deactivated = False; |
1286 |
break; |
1287 |
case RDP_PDU_DEACTIVATE: |
1288 |
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
1289 |
*deactivated = True; |
1290 |
break; |
1291 |
case RDP_PDU_DATA: |
1292 |
disc = process_data_pdu(s, ext_disc_reason); |
1293 |
break; |
1294 |
case 0: |
1295 |
break; |
1296 |
default: |
1297 |
unimpl("PDU %d\n", type); |
1298 |
} |
1299 |
if (disc) |
1300 |
return False; |
1301 |
cont = g_next_packet < s->end; |
1302 |
} |
1303 |
return True; |
1304 |
} |
1305 |
|
1306 |
/* Establish a connection up to the RDP layer */ |
1307 |
BOOL |
1308 |
rdp_connect(char *server, uint32 flags, char *domain, char *password, |
1309 |
char *command, char *directory) |
1310 |
{ |
1311 |
if (!sec_connect(server, g_username)) |
1312 |
return False; |
1313 |
|
1314 |
rdp_send_logon_info(flags, domain, g_username, password, command, directory); |
1315 |
return True; |
1316 |
} |
1317 |
|
1318 |
/* Disconnect from the RDP layer */ |
1319 |
void |
1320 |
rdp_disconnect(void) |
1321 |
{ |
1322 |
sec_disconnect(); |
1323 |
} |