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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 1999-2007 |
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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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#ifndef _WIN32 |
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#include <errno.h> |
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#include <unistd.h> |
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#endif |
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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 RD_BOOL g_bitmap_compression; |
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extern RD_BOOL g_orders; |
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extern RD_BOOL g_encryption; |
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extern RD_BOOL g_desktop_save; |
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extern RD_BOOL g_polygon_ellipse_orders; |
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extern RD_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_depth; |
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extern int g_width; |
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extern int g_height; |
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extern RD_BOOL g_bitmap_cache; |
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extern RD_BOOL g_bitmap_cache_persist_enable; |
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extern RD_BOOL g_numlock_sync; |
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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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/* Session Directory support */ |
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extern RD_BOOL g_redirect; |
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extern char g_redirect_server[64]; |
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extern char g_redirect_domain[16]; |
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extern char g_redirect_password[64]; |
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extern char g_redirect_username[64]; |
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extern char g_redirect_cookie[128]; |
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extern uint32 g_redirect_flags; |
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/* END Session Directory support */ |
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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 RD_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) || (g_next_packet == NULL)) |
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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 = (char *) 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 %p\n", |
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g_codepage, WINDOWS_CODEPAGE, iconv_h); |
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|
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g_iconv_works = False; |
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rdp_out_unistr(s, string, len); |
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return; |
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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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rdp_out_unistr(s, string, len); |
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return; |
205 |
} |
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pin = string; |
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pout = (char *) s->p; |
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} |
209 |
|
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
211 |
{ |
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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); |
215 |
|
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g_iconv_works = False; |
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rdp_out_unistr(s, string, len); |
218 |
return; |
219 |
} |
220 |
|
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s->p += len + 2; |
222 |
|
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} |
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else |
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#endif |
226 |
{ |
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int i = 0, j = 0; |
228 |
|
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len += 2; |
230 |
|
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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; |
235 |
} |
236 |
|
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s->p += len; |
238 |
} |
239 |
} |
240 |
|
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/* Input a string in Unicode |
242 |
* |
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* Returns str_len of string |
244 |
*/ |
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int |
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rdp_in_unistr(STREAM s, char *string, int str_size, int in_len) |
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{ |
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#ifdef HAVE_ICONV |
249 |
size_t ibl = in_len, obl = str_size - 1; |
250 |
char *pin = (char *) s->p, *pout = string; |
251 |
static iconv_t iconv_h = (iconv_t) - 1; |
252 |
|
253 |
if (g_iconv_works) |
254 |
{ |
255 |
if (iconv_h == (iconv_t) - 1) |
256 |
{ |
257 |
if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) |
258 |
{ |
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warning("rdp_in_unistr: iconv_open[%s -> %s] fail %p\n", |
260 |
WINDOWS_CODEPAGE, g_codepage, iconv_h); |
261 |
|
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g_iconv_works = False; |
263 |
return rdp_in_unistr(s, string, str_size, in_len); |
264 |
} |
265 |
} |
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|
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
268 |
{ |
269 |
if (errno == E2BIG) |
270 |
{ |
271 |
warning("server sent an unexpectedly long string, truncating\n"); |
272 |
} |
273 |
else |
274 |
{ |
275 |
iconv_close(iconv_h); |
276 |
iconv_h = (iconv_t) - 1; |
277 |
warning("rdp_in_unistr: iconv fail, errno %d\n", errno); |
278 |
|
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g_iconv_works = False; |
280 |
return rdp_in_unistr(s, string, str_size, in_len); |
281 |
} |
282 |
} |
283 |
|
284 |
/* we must update the location of the current STREAM for future reads of s->p */ |
285 |
s->p += in_len; |
286 |
|
287 |
*pout = 0; |
288 |
return pout - string; |
289 |
} |
290 |
else |
291 |
#endif |
292 |
{ |
293 |
int i = 0; |
294 |
int len = in_len / 2; |
295 |
int rem = 0; |
296 |
|
297 |
if (len > str_size - 1) |
298 |
{ |
299 |
warning("server sent an unexpectedly long string, truncating\n"); |
300 |
len = str_size - 1; |
301 |
rem = in_len - 2 * len; |
302 |
} |
303 |
|
304 |
while (i < len) |
305 |
{ |
306 |
in_uint8a(s, &string[i++], 1); |
307 |
in_uint8s(s, 1); |
308 |
} |
309 |
|
310 |
in_uint8s(s, rem); |
311 |
string[len] = 0; |
312 |
return len; |
313 |
} |
314 |
} |
315 |
|
316 |
|
317 |
/* Parse a logon info packet */ |
318 |
static void |
319 |
rdp_send_logon_info(uint32 flags, char *domain, char *user, |
320 |
char *password, char *program, char *directory) |
321 |
{ |
322 |
char *ipaddr = tcp_get_address(); |
323 |
int len_domain = 2 * strlen(domain); |
324 |
int len_user = 2 * strlen(user); |
325 |
int len_password = 2 * strlen(password); |
326 |
int len_program = 2 * strlen(program); |
327 |
int len_directory = 2 * strlen(directory); |
328 |
int len_ip = 2 * strlen(ipaddr); |
329 |
int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); |
330 |
int packetlen = 0; |
331 |
uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
332 |
STREAM s; |
333 |
time_t t = time(NULL); |
334 |
time_t tzone; |
335 |
|
336 |
if (!g_use_rdp5 || 1 == g_server_rdp_version) |
337 |
{ |
338 |
DEBUG_RDP5(("Sending RDP4-style Logon packet\n")); |
339 |
|
340 |
s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
341 |
+ len_program + len_directory + 10); |
342 |
|
343 |
out_uint32(s, 0); |
344 |
out_uint32_le(s, flags); |
345 |
out_uint16_le(s, len_domain); |
346 |
out_uint16_le(s, len_user); |
347 |
out_uint16_le(s, len_password); |
348 |
out_uint16_le(s, len_program); |
349 |
out_uint16_le(s, len_directory); |
350 |
rdp_out_unistr(s, domain, len_domain); |
351 |
rdp_out_unistr(s, user, len_user); |
352 |
rdp_out_unistr(s, password, len_password); |
353 |
rdp_out_unistr(s, program, len_program); |
354 |
rdp_out_unistr(s, directory, len_directory); |
355 |
} |
356 |
else |
357 |
{ |
358 |
|
359 |
flags |= RDP_LOGON_BLOB; |
360 |
DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
361 |
packetlen = 4 + /* Unknown uint32 */ |
362 |
4 + /* flags */ |
363 |
2 + /* len_domain */ |
364 |
2 + /* len_user */ |
365 |
(flags & RDP_LOGON_AUTO ? 2 : 0) + /* len_password */ |
366 |
(flags & RDP_LOGON_BLOB ? 2 : 0) + /* Length of BLOB */ |
367 |
2 + /* len_program */ |
368 |
2 + /* len_directory */ |
369 |
(0 < len_domain ? len_domain : 2) + /* domain */ |
370 |
len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + /* We have no 512 byte BLOB. Perhaps we must? */ |
371 |
(flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + /* After the BLOB is a unknown int16. If there is a BLOB, that is. */ |
372 |
(0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + /* Unknown (2) */ |
373 |
2 + /* Client ip length */ |
374 |
len_ip + /* Client ip */ |
375 |
2 + /* DLL string length */ |
376 |
len_dll + /* DLL string */ |
377 |
2 + /* Unknown */ |
378 |
2 + /* Unknown */ |
379 |
64 + /* Time zone #0 */ |
380 |
2 + /* Unknown */ |
381 |
64 + /* Time zone #1 */ |
382 |
32; /* Unknown */ |
383 |
|
384 |
s = sec_init(sec_flags, packetlen); |
385 |
DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); |
386 |
|
387 |
out_uint32(s, 0); /* Unknown */ |
388 |
out_uint32_le(s, flags); |
389 |
out_uint16_le(s, len_domain); |
390 |
out_uint16_le(s, len_user); |
391 |
if (flags & RDP_LOGON_AUTO) |
392 |
{ |
393 |
out_uint16_le(s, len_password); |
394 |
|
395 |
} |
396 |
if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
397 |
{ |
398 |
out_uint16_le(s, 0); |
399 |
} |
400 |
out_uint16_le(s, len_program); |
401 |
out_uint16_le(s, len_directory); |
402 |
if (0 < len_domain) |
403 |
rdp_out_unistr(s, domain, len_domain); |
404 |
else |
405 |
out_uint16_le(s, 0); |
406 |
rdp_out_unistr(s, user, len_user); |
407 |
if (flags & RDP_LOGON_AUTO) |
408 |
{ |
409 |
rdp_out_unistr(s, password, len_password); |
410 |
} |
411 |
if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
412 |
{ |
413 |
out_uint16_le(s, 0); |
414 |
} |
415 |
if (0 < len_program) |
416 |
{ |
417 |
rdp_out_unistr(s, program, len_program); |
418 |
|
419 |
} |
420 |
else |
421 |
{ |
422 |
out_uint16_le(s, 0); |
423 |
} |
424 |
if (0 < len_directory) |
425 |
{ |
426 |
rdp_out_unistr(s, directory, len_directory); |
427 |
} |
428 |
else |
429 |
{ |
430 |
out_uint16_le(s, 0); |
431 |
} |
432 |
out_uint16_le(s, 2); |
433 |
out_uint16_le(s, len_ip + 2); /* Length of client ip */ |
434 |
rdp_out_unistr(s, ipaddr, len_ip); |
435 |
out_uint16_le(s, len_dll + 2); |
436 |
rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); |
437 |
|
438 |
tzone = (mktime(gmtime(&t)) - mktime(localtime(&t))) / 60; |
439 |
out_uint32_le(s, tzone); |
440 |
|
441 |
rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); |
442 |
out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); |
443 |
|
444 |
out_uint32_le(s, 0x0a0000); |
445 |
out_uint32_le(s, 0x050000); |
446 |
out_uint32_le(s, 3); |
447 |
out_uint32_le(s, 0); |
448 |
out_uint32_le(s, 0); |
449 |
|
450 |
rdp_out_unistr(s, "GTB, sommartid", 2 * strlen("GTB, sommartid")); |
451 |
out_uint8s(s, 62 - 2 * strlen("GTB, sommartid")); |
452 |
|
453 |
out_uint32_le(s, 0x30000); |
454 |
out_uint32_le(s, 0x050000); |
455 |
out_uint32_le(s, 2); |
456 |
out_uint32(s, 0); |
457 |
out_uint32_le(s, 0xffffffc4); |
458 |
out_uint32_le(s, 0xfffffffe); |
459 |
out_uint32_le(s, g_rdp5_performanceflags); |
460 |
out_uint16(s, 0); |
461 |
|
462 |
|
463 |
} |
464 |
s_mark_end(s); |
465 |
sec_send(s, sec_flags); |
466 |
} |
467 |
|
468 |
/* Send a control PDU */ |
469 |
static void |
470 |
rdp_send_control(uint16 action) |
471 |
{ |
472 |
STREAM s; |
473 |
|
474 |
s = rdp_init_data(8); |
475 |
|
476 |
out_uint16_le(s, action); |
477 |
out_uint16(s, 0); /* userid */ |
478 |
out_uint32(s, 0); /* control id */ |
479 |
|
480 |
s_mark_end(s); |
481 |
rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
482 |
} |
483 |
|
484 |
/* Send a synchronisation PDU */ |
485 |
static void |
486 |
rdp_send_synchronise(void) |
487 |
{ |
488 |
STREAM s; |
489 |
|
490 |
s = rdp_init_data(4); |
491 |
|
492 |
out_uint16_le(s, 1); /* type */ |
493 |
out_uint16_le(s, 1002); |
494 |
|
495 |
s_mark_end(s); |
496 |
rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
497 |
} |
498 |
|
499 |
/* Send a single input event */ |
500 |
void |
501 |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) |
502 |
{ |
503 |
STREAM s; |
504 |
|
505 |
s = rdp_init_data(16); |
506 |
|
507 |
out_uint16_le(s, 1); /* number of events */ |
508 |
out_uint16(s, 0); /* pad */ |
509 |
|
510 |
out_uint32_le(s, time); |
511 |
out_uint16_le(s, message_type); |
512 |
out_uint16_le(s, device_flags); |
513 |
out_uint16_le(s, param1); |
514 |
out_uint16_le(s, param2); |
515 |
|
516 |
s_mark_end(s); |
517 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
518 |
} |
519 |
|
520 |
/* Send a client window information PDU */ |
521 |
void |
522 |
rdp_send_client_window_status(int status) |
523 |
{ |
524 |
STREAM s; |
525 |
static int current_status = 1; |
526 |
|
527 |
if (current_status == status) |
528 |
return; |
529 |
|
530 |
s = rdp_init_data(12); |
531 |
|
532 |
out_uint32_le(s, status); |
533 |
|
534 |
switch (status) |
535 |
{ |
536 |
case 0: /* shut the server up */ |
537 |
break; |
538 |
|
539 |
case 1: /* receive data again */ |
540 |
out_uint32_le(s, 0); /* unknown */ |
541 |
out_uint16_le(s, g_width); |
542 |
out_uint16_le(s, g_height); |
543 |
break; |
544 |
} |
545 |
|
546 |
s_mark_end(s); |
547 |
rdp_send_data(s, RDP_DATA_PDU_CLIENT_WINDOW_STATUS); |
548 |
current_status = status; |
549 |
} |
550 |
|
551 |
/* Send persistent bitmap cache enumeration PDU's */ |
552 |
static void |
553 |
rdp_enum_bmpcache2(void) |
554 |
{ |
555 |
STREAM s; |
556 |
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
557 |
uint32 num_keys, offset, count, flags; |
558 |
|
559 |
offset = 0; |
560 |
num_keys = pstcache_enumerate(2, keylist); |
561 |
|
562 |
while (offset < num_keys) |
563 |
{ |
564 |
count = MIN(num_keys - offset, 169); |
565 |
|
566 |
s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
567 |
|
568 |
flags = 0; |
569 |
if (offset == 0) |
570 |
flags |= PDU_FLAG_FIRST; |
571 |
if (num_keys - offset <= 169) |
572 |
flags |= PDU_FLAG_LAST; |
573 |
|
574 |
/* header */ |
575 |
out_uint32_le(s, 0); |
576 |
out_uint16_le(s, count); |
577 |
out_uint16_le(s, 0); |
578 |
out_uint16_le(s, 0); |
579 |
out_uint16_le(s, 0); |
580 |
out_uint16_le(s, 0); |
581 |
out_uint16_le(s, num_keys); |
582 |
out_uint32_le(s, 0); |
583 |
out_uint32_le(s, flags); |
584 |
|
585 |
/* list */ |
586 |
out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
587 |
|
588 |
s_mark_end(s); |
589 |
rdp_send_data(s, 0x2b); |
590 |
|
591 |
offset += 169; |
592 |
} |
593 |
} |
594 |
|
595 |
/* Send an (empty) font information PDU */ |
596 |
static void |
597 |
rdp_send_fonts(uint16 seq) |
598 |
{ |
599 |
STREAM s; |
600 |
|
601 |
s = rdp_init_data(8); |
602 |
|
603 |
out_uint16(s, 0); /* number of fonts */ |
604 |
out_uint16_le(s, 0); /* pad? */ |
605 |
out_uint16_le(s, seq); /* unknown */ |
606 |
out_uint16_le(s, 0x32); /* entry size */ |
607 |
|
608 |
s_mark_end(s); |
609 |
rdp_send_data(s, RDP_DATA_PDU_FONT2); |
610 |
} |
611 |
|
612 |
/* Output general capability set */ |
613 |
static void |
614 |
rdp_out_general_caps(STREAM s) |
615 |
{ |
616 |
out_uint16_le(s, RDP_CAPSET_GENERAL); |
617 |
out_uint16_le(s, RDP_CAPLEN_GENERAL); |
618 |
|
619 |
out_uint16_le(s, 1); /* OS major type */ |
620 |
out_uint16_le(s, 3); /* OS minor type */ |
621 |
out_uint16_le(s, 0x200); /* Protocol version */ |
622 |
out_uint16(s, 0); /* Pad */ |
623 |
out_uint16(s, 0); /* Compression types */ |
624 |
out_uint16_le(s, g_use_rdp5 ? 0x40d : 0); |
625 |
/* Pad, according to T.128. 0x40d seems to |
626 |
trigger |
627 |
the server to start sending RDP5 packets. |
628 |
However, the value is 0x1d04 with W2KTSK and |
629 |
NT4MS. Hmm.. Anyway, thankyou, Microsoft, |
630 |
for sending such information in a padding |
631 |
field.. */ |
632 |
out_uint16(s, 0); /* Update capability */ |
633 |
out_uint16(s, 0); /* Remote unshare capability */ |
634 |
out_uint16(s, 0); /* Compression level */ |
635 |
out_uint16(s, 0); /* Pad */ |
636 |
} |
637 |
|
638 |
/* Output bitmap capability set */ |
639 |
static void |
640 |
rdp_out_bitmap_caps(STREAM s) |
641 |
{ |
642 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
643 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
644 |
|
645 |
out_uint16_le(s, g_server_depth); /* Preferred colour depth */ |
646 |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
647 |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
648 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
649 |
out_uint16_le(s, 800); /* Desktop width */ |
650 |
out_uint16_le(s, 600); /* Desktop height */ |
651 |
out_uint16(s, 0); /* Pad */ |
652 |
out_uint16(s, 1); /* Allow resize */ |
653 |
out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ |
654 |
out_uint16(s, 0); /* Unknown */ |
655 |
out_uint16_le(s, 1); /* Unknown */ |
656 |
out_uint16(s, 0); /* Pad */ |
657 |
} |
658 |
|
659 |
/* Output order capability set */ |
660 |
static void |
661 |
rdp_out_order_caps(STREAM s) |
662 |
{ |
663 |
uint8 order_caps[32]; |
664 |
|
665 |
memset(order_caps, 0, 32); |
666 |
order_caps[0] = 1; /* dest blt */ |
667 |
order_caps[1] = 1; /* pat blt */ |
668 |
order_caps[2] = 1; /* screen blt */ |
669 |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
670 |
order_caps[4] = 0; /* triblt */ |
671 |
order_caps[8] = 1; /* line */ |
672 |
order_caps[9] = 1; /* line */ |
673 |
order_caps[10] = 1; /* rect */ |
674 |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
675 |
order_caps[13] = 1; /* memblt */ |
676 |
order_caps[14] = 1; /* triblt */ |
677 |
order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
678 |
order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
679 |
order_caps[22] = 1; /* polyline */ |
680 |
order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
681 |
order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
682 |
order_caps[27] = 1; /* text2 */ |
683 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
684 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
685 |
|
686 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
687 |
out_uint16_le(s, 1); /* Cache X granularity */ |
688 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
689 |
out_uint16(s, 0); /* Pad */ |
690 |
out_uint16_le(s, 1); /* Max order level */ |
691 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
692 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
693 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
694 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
695 |
out_uint8s(s, 6); /* Pad */ |
696 |
out_uint32_le(s, g_desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
697 |
out_uint32(s, 0); /* Unknown */ |
698 |
out_uint32_le(s, 0x4e4); /* Unknown */ |
699 |
} |
700 |
|
701 |
/* Output bitmap cache capability set */ |
702 |
static void |
703 |
rdp_out_bmpcache_caps(STREAM s) |
704 |
{ |
705 |
int Bpp; |
706 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
707 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
708 |
|
709 |
Bpp = (g_server_depth + 7) / 8; /* bytes per pixel */ |
710 |
out_uint8s(s, 24); /* unused */ |
711 |
out_uint16_le(s, 0x258); /* entries */ |
712 |
out_uint16_le(s, 0x100 * Bpp); /* max cell size */ |
713 |
out_uint16_le(s, 0x12c); /* entries */ |
714 |
out_uint16_le(s, 0x400 * Bpp); /* max cell size */ |
715 |
out_uint16_le(s, 0x106); /* entries */ |
716 |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
717 |
} |
718 |
|
719 |
/* Output bitmap cache v2 capability set */ |
720 |
static void |
721 |
rdp_out_bmpcache2_caps(STREAM s) |
722 |
{ |
723 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE2); |
724 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); |
725 |
|
726 |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
727 |
|
728 |
out_uint16_be(s, 3); /* number of caches in this set */ |
729 |
|
730 |
/* max cell size for cache 0 is 16x16, 1 = 32x32, 2 = 64x64, etc */ |
731 |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
732 |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
733 |
if (pstcache_init(2)) |
734 |
{ |
735 |
out_uint32_le(s, BMPCACHE2_NUM_PSTCELLS | BMPCACHE2_FLAG_PERSIST); |
736 |
} |
737 |
else |
738 |
{ |
739 |
out_uint32_le(s, BMPCACHE2_C2_CELLS); |
740 |
} |
741 |
out_uint8s(s, 20); /* other bitmap caches not used */ |
742 |
} |
743 |
|
744 |
/* Output control capability set */ |
745 |
static void |
746 |
rdp_out_control_caps(STREAM s) |
747 |
{ |
748 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
749 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
750 |
|
751 |
out_uint16(s, 0); /* Control capabilities */ |
752 |
out_uint16(s, 0); /* Remote detach */ |
753 |
out_uint16_le(s, 2); /* Control interest */ |
754 |
out_uint16_le(s, 2); /* Detach interest */ |
755 |
} |
756 |
|
757 |
/* Output activation capability set */ |
758 |
static void |
759 |
rdp_out_activate_caps(STREAM s) |
760 |
{ |
761 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
762 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
763 |
|
764 |
out_uint16(s, 0); /* Help key */ |
765 |
out_uint16(s, 0); /* Help index key */ |
766 |
out_uint16(s, 0); /* Extended help key */ |
767 |
out_uint16(s, 0); /* Window activate */ |
768 |
} |
769 |
|
770 |
/* Output pointer capability set */ |
771 |
static void |
772 |
rdp_out_pointer_caps(STREAM s) |
773 |
{ |
774 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
775 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
776 |
|
777 |
out_uint16(s, 0); /* Colour pointer */ |
778 |
out_uint16_le(s, 20); /* Cache size */ |
779 |
} |
780 |
|
781 |
/* Output share capability set */ |
782 |
static void |
783 |
rdp_out_share_caps(STREAM s) |
784 |
{ |
785 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
786 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
787 |
|
788 |
out_uint16(s, 0); /* userid */ |
789 |
out_uint16(s, 0); /* pad */ |
790 |
} |
791 |
|
792 |
/* Output colour cache capability set */ |
793 |
static void |
794 |
rdp_out_colcache_caps(STREAM s) |
795 |
{ |
796 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
797 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
798 |
|
799 |
out_uint16_le(s, 6); /* cache size */ |
800 |
out_uint16(s, 0); /* pad */ |
801 |
} |
802 |
|
803 |
static uint8 caps_0x0d[] = { |
804 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, |
805 |
0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
806 |
0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
807 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
808 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
809 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
810 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
811 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
812 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
813 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
814 |
0x00, 0x00, 0x00, 0x00 |
815 |
}; |
816 |
|
817 |
static uint8 caps_0x0c[] = { 0x01, 0x00, 0x00, 0x00 }; |
818 |
|
819 |
static uint8 caps_0x0e[] = { 0x01, 0x00, 0x00, 0x00 }; |
820 |
|
821 |
static uint8 caps_0x10[] = { |
822 |
0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, |
823 |
0xFE, 0x00, 0x08, 0x00, 0xFE, 0x00, 0x08, 0x00, |
824 |
0xFE, 0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, |
825 |
0xFE, 0x00, 0x40, 0x00, 0xFE, 0x00, 0x80, 0x00, |
826 |
0xFE, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, |
827 |
0x00, 0x01, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00 |
828 |
}; |
829 |
|
830 |
/* Output unknown capability sets */ |
831 |
static void |
832 |
rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) |
833 |
{ |
834 |
out_uint16_le(s, id); |
835 |
out_uint16_le(s, length); |
836 |
|
837 |
out_uint8p(s, caps, length - 4); |
838 |
} |
839 |
|
840 |
#define RDP5_FLAG 0x0030 |
841 |
/* Send a confirm active PDU */ |
842 |
static void |
843 |
rdp_send_confirm_active(void) |
844 |
{ |
845 |
STREAM s; |
846 |
uint32 sec_flags = g_encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG; |
847 |
uint16 caplen = |
848 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
849 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
850 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
851 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + |
852 |
0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + |
853 |
4 /* w2k fix, why? */ ; |
854 |
|
855 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
856 |
|
857 |
out_uint16_le(s, 2 + 14 + caplen + sizeof(RDP_SOURCE)); |
858 |
out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10)); /* Version 1 */ |
859 |
out_uint16_le(s, (g_mcs_userid + 1001)); |
860 |
|
861 |
out_uint32_le(s, g_rdp_shareid); |
862 |
out_uint16_le(s, 0x3ea); /* userid */ |
863 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
864 |
out_uint16_le(s, caplen); |
865 |
|
866 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
867 |
out_uint16_le(s, 0xd); /* num_caps */ |
868 |
out_uint8s(s, 2); /* pad */ |
869 |
|
870 |
rdp_out_general_caps(s); |
871 |
rdp_out_bitmap_caps(s); |
872 |
rdp_out_order_caps(s); |
873 |
g_use_rdp5 ? rdp_out_bmpcache2_caps(s) : rdp_out_bmpcache_caps(s); |
874 |
rdp_out_colcache_caps(s); |
875 |
rdp_out_activate_caps(s); |
876 |
rdp_out_control_caps(s); |
877 |
rdp_out_pointer_caps(s); |
878 |
rdp_out_share_caps(s); |
879 |
|
880 |
rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ |
881 |
rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); |
882 |
rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); |
883 |
rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ |
884 |
|
885 |
s_mark_end(s); |
886 |
sec_send(s, sec_flags); |
887 |
} |
888 |
|
889 |
/* Process a general capability set */ |
890 |
static void |
891 |
rdp_process_general_caps(STREAM s) |
892 |
{ |
893 |
uint16 pad2octetsB; /* rdp5 flags? */ |
894 |
|
895 |
in_uint8s(s, 10); |
896 |
in_uint16_le(s, pad2octetsB); |
897 |
|
898 |
if (!pad2octetsB) |
899 |
g_use_rdp5 = False; |
900 |
} |
901 |
|
902 |
/* Process a bitmap capability set */ |
903 |
static void |
904 |
rdp_process_bitmap_caps(STREAM s) |
905 |
{ |
906 |
uint16 width, height, depth; |
907 |
|
908 |
in_uint16_le(s, depth); |
909 |
in_uint8s(s, 6); |
910 |
|
911 |
in_uint16_le(s, width); |
912 |
in_uint16_le(s, height); |
913 |
|
914 |
DEBUG(("setting desktop size and depth to: %dx%dx%d\n", width, height, depth)); |
915 |
|
916 |
/* |
917 |
* The server may limit depth and change the size of the desktop (for |
918 |
* example when shadowing another session). |
919 |
*/ |
920 |
if (g_server_depth != depth) |
921 |
{ |
922 |
warning("Remote desktop does not support colour depth %d; falling back to %d\n", |
923 |
g_server_depth, depth); |
924 |
g_server_depth = depth; |
925 |
} |
926 |
if (g_width != width || g_height != height) |
927 |
{ |
928 |
warning("Remote desktop changed from %dx%d to %dx%d.\n", g_width, g_height, |
929 |
width, height); |
930 |
g_width = width; |
931 |
g_height = height; |
932 |
ui_resize_window(); |
933 |
} |
934 |
} |
935 |
|
936 |
/* Process server capabilities */ |
937 |
static void |
938 |
rdp_process_server_caps(STREAM s, uint16 length) |
939 |
{ |
940 |
int n; |
941 |
uint8 *next, *start; |
942 |
uint16 ncapsets, capset_type, capset_length; |
943 |
|
944 |
start = s->p; |
945 |
|
946 |
in_uint16_le(s, ncapsets); |
947 |
in_uint8s(s, 2); /* pad */ |
948 |
|
949 |
for (n = 0; n < ncapsets; n++) |
950 |
{ |
951 |
if (s->p > start + length) |
952 |
return; |
953 |
|
954 |
in_uint16_le(s, capset_type); |
955 |
in_uint16_le(s, capset_length); |
956 |
|
957 |
next = s->p + capset_length - 4; |
958 |
|
959 |
switch (capset_type) |
960 |
{ |
961 |
case RDP_CAPSET_GENERAL: |
962 |
rdp_process_general_caps(s); |
963 |
break; |
964 |
|
965 |
case RDP_CAPSET_BITMAP: |
966 |
rdp_process_bitmap_caps(s); |
967 |
break; |
968 |
} |
969 |
|
970 |
s->p = next; |
971 |
} |
972 |
} |
973 |
|
974 |
/* Respond to a demand active PDU */ |
975 |
static void |
976 |
process_demand_active(STREAM s) |
977 |
{ |
978 |
uint8 type; |
979 |
uint16 len_src_descriptor, len_combined_caps; |
980 |
|
981 |
in_uint32_le(s, g_rdp_shareid); |
982 |
in_uint16_le(s, len_src_descriptor); |
983 |
in_uint16_le(s, len_combined_caps); |
984 |
in_uint8s(s, len_src_descriptor); |
985 |
|
986 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
987 |
rdp_process_server_caps(s, len_combined_caps); |
988 |
|
989 |
rdp_send_confirm_active(); |
990 |
rdp_send_synchronise(); |
991 |
rdp_send_control(RDP_CTL_COOPERATE); |
992 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
993 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
994 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
995 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
996 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
997 |
g_numlock_sync ? ui_get_numlock_state(read_keyboard_state()) : 0, 0); |
998 |
|
999 |
if (g_use_rdp5) |
1000 |
{ |
1001 |
rdp_enum_bmpcache2(); |
1002 |
rdp_send_fonts(3); |
1003 |
} |
1004 |
else |
1005 |
{ |
1006 |
rdp_send_fonts(1); |
1007 |
rdp_send_fonts(2); |
1008 |
} |
1009 |
|
1010 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 (Fonts?) */ |
1011 |
reset_order_state(); |
1012 |
} |
1013 |
|
1014 |
/* Process a colour pointer PDU */ |
1015 |
void |
1016 |
process_colour_pointer_pdu(STREAM s) |
1017 |
{ |
1018 |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
1019 |
uint8 *mask, *data; |
1020 |
RD_HCURSOR cursor; |
1021 |
|
1022 |
in_uint16_le(s, cache_idx); |
1023 |
in_uint16_le(s, x); |
1024 |
in_uint16_le(s, y); |
1025 |
in_uint16_le(s, width); |
1026 |
in_uint16_le(s, height); |
1027 |
in_uint16_le(s, masklen); |
1028 |
in_uint16_le(s, datalen); |
1029 |
in_uint8p(s, data, datalen); |
1030 |
in_uint8p(s, mask, masklen); |
1031 |
cursor = ui_create_cursor(x, y, width, height, mask, data); |
1032 |
ui_set_cursor(cursor); |
1033 |
cache_put_cursor(cache_idx, cursor); |
1034 |
} |
1035 |
|
1036 |
/* Process a cached pointer PDU */ |
1037 |
void |
1038 |
process_cached_pointer_pdu(STREAM s) |
1039 |
{ |
1040 |
uint16 cache_idx; |
1041 |
|
1042 |
in_uint16_le(s, cache_idx); |
1043 |
ui_set_cursor(cache_get_cursor(cache_idx)); |
1044 |
} |
1045 |
|
1046 |
/* Process a system pointer PDU */ |
1047 |
void |
1048 |
process_system_pointer_pdu(STREAM s) |
1049 |
{ |
1050 |
uint16 system_pointer_type; |
1051 |
|
1052 |
in_uint16_le(s, system_pointer_type); |
1053 |
switch (system_pointer_type) |
1054 |
{ |
1055 |
case RDP_NULL_POINTER: |
1056 |
ui_set_null_cursor(); |
1057 |
break; |
1058 |
|
1059 |
default: |
1060 |
unimpl("System pointer message 0x%x\n", system_pointer_type); |
1061 |
} |
1062 |
} |
1063 |
|
1064 |
/* Process a pointer PDU */ |
1065 |
static void |
1066 |
process_pointer_pdu(STREAM s) |
1067 |
{ |
1068 |
uint16 message_type; |
1069 |
uint16 x, y; |
1070 |
|
1071 |
in_uint16_le(s, message_type); |
1072 |
in_uint8s(s, 2); /* pad */ |
1073 |
|
1074 |
switch (message_type) |
1075 |
{ |
1076 |
case RDP_POINTER_MOVE: |
1077 |
in_uint16_le(s, x); |
1078 |
in_uint16_le(s, y); |
1079 |
if (s_check(s)) |
1080 |
ui_move_pointer(x, y); |
1081 |
break; |
1082 |
|
1083 |
case RDP_POINTER_COLOR: |
1084 |
process_colour_pointer_pdu(s); |
1085 |
break; |
1086 |
|
1087 |
case RDP_POINTER_CACHED: |
1088 |
process_cached_pointer_pdu(s); |
1089 |
break; |
1090 |
|
1091 |
case RDP_POINTER_SYSTEM: |
1092 |
process_system_pointer_pdu(s); |
1093 |
break; |
1094 |
|
1095 |
default: |
1096 |
unimpl("Pointer message 0x%x\n", message_type); |
1097 |
} |
1098 |
} |
1099 |
|
1100 |
/* Process bitmap updates */ |
1101 |
void |
1102 |
process_bitmap_updates(STREAM s) |
1103 |
{ |
1104 |
uint16 num_updates; |
1105 |
uint16 left, top, right, bottom, width, height; |
1106 |
uint16 cx, cy, bpp, Bpp, compress, bufsize, size; |
1107 |
uint8 *data, *bmpdata; |
1108 |
int i; |
1109 |
|
1110 |
in_uint16_le(s, num_updates); |
1111 |
|
1112 |
for (i = 0; i < num_updates; i++) |
1113 |
{ |
1114 |
in_uint16_le(s, left); |
1115 |
in_uint16_le(s, top); |
1116 |
in_uint16_le(s, right); |
1117 |
in_uint16_le(s, bottom); |
1118 |
in_uint16_le(s, width); |
1119 |
in_uint16_le(s, height); |
1120 |
in_uint16_le(s, bpp); |
1121 |
Bpp = (bpp + 7) / 8; |
1122 |
in_uint16_le(s, compress); |
1123 |
in_uint16_le(s, bufsize); |
1124 |
|
1125 |
cx = right - left + 1; |
1126 |
cy = bottom - top + 1; |
1127 |
|
1128 |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
1129 |
left, top, right, bottom, width, height, Bpp, compress)); |
1130 |
|
1131 |
if (!compress) |
1132 |
{ |
1133 |
int y; |
1134 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
1135 |
for (y = 0; y < height; y++) |
1136 |
{ |
1137 |
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)], |
1138 |
width * Bpp); |
1139 |
} |
1140 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
1141 |
xfree(bmpdata); |
1142 |
continue; |
1143 |
} |
1144 |
|
1145 |
|
1146 |
if (compress & 0x400) |
1147 |
{ |
1148 |
size = bufsize; |
1149 |
} |
1150 |
else |
1151 |
{ |
1152 |
in_uint8s(s, 2); /* pad */ |
1153 |
in_uint16_le(s, size); |
1154 |
in_uint8s(s, 4); /* line_size, final_size */ |
1155 |
} |
1156 |
in_uint8p(s, data, size); |
1157 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
1158 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
1159 |
{ |
1160 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
1161 |
} |
1162 |
else |
1163 |
{ |
1164 |
DEBUG_RDP5(("Failed to decompress data\n")); |
1165 |
} |
1166 |
|
1167 |
xfree(bmpdata); |
1168 |
} |
1169 |
} |
1170 |
|
1171 |
/* Process a palette update */ |
1172 |
void |
1173 |
process_palette(STREAM s) |
1174 |
{ |
1175 |
COLOURENTRY *entry; |
1176 |
COLOURMAP map; |
1177 |
RD_HCOLOURMAP hmap; |
1178 |
int i; |
1179 |
|
1180 |
in_uint8s(s, 2); /* pad */ |
1181 |
in_uint16_le(s, map.ncolours); |
1182 |
in_uint8s(s, 2); /* pad */ |
1183 |
|
1184 |
map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours); |
1185 |
|
1186 |
DEBUG(("PALETTE(c=%d)\n", map.ncolours)); |
1187 |
|
1188 |
for (i = 0; i < map.ncolours; i++) |
1189 |
{ |
1190 |
entry = &map.colours[i]; |
1191 |
in_uint8(s, entry->red); |
1192 |
in_uint8(s, entry->green); |
1193 |
in_uint8(s, entry->blue); |
1194 |
} |
1195 |
|
1196 |
hmap = ui_create_colourmap(&map); |
1197 |
ui_set_colourmap(hmap); |
1198 |
|
1199 |
xfree(map.colours); |
1200 |
} |
1201 |
|
1202 |
/* Process an update PDU */ |
1203 |
static void |
1204 |
process_update_pdu(STREAM s) |
1205 |
{ |
1206 |
uint16 update_type, count; |
1207 |
|
1208 |
in_uint16_le(s, update_type); |
1209 |
|
1210 |
ui_begin_update(); |
1211 |
switch (update_type) |
1212 |
{ |
1213 |
case RDP_UPDATE_ORDERS: |
1214 |
in_uint8s(s, 2); /* pad */ |
1215 |
in_uint16_le(s, count); |
1216 |
in_uint8s(s, 2); /* pad */ |
1217 |
process_orders(s, count); |
1218 |
break; |
1219 |
|
1220 |
case RDP_UPDATE_BITMAP: |
1221 |
process_bitmap_updates(s); |
1222 |
break; |
1223 |
|
1224 |
case RDP_UPDATE_PALETTE: |
1225 |
process_palette(s); |
1226 |
break; |
1227 |
|
1228 |
case RDP_UPDATE_SYNCHRONIZE: |
1229 |
break; |
1230 |
|
1231 |
default: |
1232 |
unimpl("update %d\n", update_type); |
1233 |
} |
1234 |
ui_end_update(); |
1235 |
} |
1236 |
|
1237 |
/* Process a disconnect PDU */ |
1238 |
void |
1239 |
process_disconnect_pdu(STREAM s, uint32 * ext_disc_reason) |
1240 |
{ |
1241 |
in_uint32_le(s, *ext_disc_reason); |
1242 |
|
1243 |
DEBUG(("Received disconnect PDU\n")); |
1244 |
} |
1245 |
|
1246 |
/* Process data PDU */ |
1247 |
static RD_BOOL |
1248 |
process_data_pdu(STREAM s, uint32 * ext_disc_reason) |
1249 |
{ |
1250 |
uint8 data_pdu_type; |
1251 |
uint8 ctype; |
1252 |
uint16 clen; |
1253 |
uint32 len; |
1254 |
|
1255 |
uint32 roff, rlen; |
1256 |
|
1257 |
struct stream *ns = &(g_mppc_dict.ns); |
1258 |
|
1259 |
in_uint8s(s, 6); /* shareid, pad, streamid */ |
1260 |
in_uint16_le(s, len); |
1261 |
in_uint8(s, data_pdu_type); |
1262 |
in_uint8(s, ctype); |
1263 |
in_uint16_le(s, clen); |
1264 |
clen -= 18; |
1265 |
|
1266 |
if (ctype & RDP_MPPC_COMPRESSED) |
1267 |
{ |
1268 |
if (len > RDP_MPPC_DICT_SIZE) |
1269 |
error("error decompressed packet size exceeds max\n"); |
1270 |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
1271 |
error("error while decompressing packet\n"); |
1272 |
|
1273 |
/* len -= 18; */ |
1274 |
|
1275 |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
1276 |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
1277 |
|
1278 |
memcpy((ns->data), (unsigned char *) (g_mppc_dict.hist + roff), rlen); |
1279 |
|
1280 |
ns->size = rlen; |
1281 |
ns->end = (ns->data + ns->size); |
1282 |
ns->p = ns->data; |
1283 |
ns->rdp_hdr = ns->p; |
1284 |
|
1285 |
s = ns; |
1286 |
} |
1287 |
|
1288 |
switch (data_pdu_type) |
1289 |
{ |
1290 |
case RDP_DATA_PDU_UPDATE: |
1291 |
process_update_pdu(s); |
1292 |
break; |
1293 |
|
1294 |
case RDP_DATA_PDU_CONTROL: |
1295 |
DEBUG(("Received Control PDU\n")); |
1296 |
break; |
1297 |
|
1298 |
case RDP_DATA_PDU_SYNCHRONISE: |
1299 |
DEBUG(("Received Sync PDU\n")); |
1300 |
break; |
1301 |
|
1302 |
case RDP_DATA_PDU_POINTER: |
1303 |
process_pointer_pdu(s); |
1304 |
break; |
1305 |
|
1306 |
case RDP_DATA_PDU_BELL: |
1307 |
ui_bell(); |
1308 |
break; |
1309 |
|
1310 |
case RDP_DATA_PDU_LOGON: |
1311 |
DEBUG(("Received Logon PDU\n")); |
1312 |
/* User logged on */ |
1313 |
break; |
1314 |
|
1315 |
case RDP_DATA_PDU_DISCONNECT: |
1316 |
process_disconnect_pdu(s, ext_disc_reason); |
1317 |
|
1318 |
/* We used to return true and disconnect immediately here, but |
1319 |
* Windows Vista sends a disconnect PDU with reason 0 when |
1320 |
* reconnecting to a disconnected session, and MSTSC doesn't |
1321 |
* drop the connection. I think we should just save the status. |
1322 |
*/ |
1323 |
break; |
1324 |
|
1325 |
default: |
1326 |
unimpl("data PDU %d\n", data_pdu_type); |
1327 |
} |
1328 |
return False; |
1329 |
} |
1330 |
|
1331 |
/* Process redirect PDU from Session Directory */ |
1332 |
static RD_BOOL |
1333 |
process_redirect_pdu(STREAM s /*, uint32 * ext_disc_reason */ ) |
1334 |
{ |
1335 |
uint32 len; |
1336 |
|
1337 |
/* these 2 bytes are unknown, seem to be zeros */ |
1338 |
in_uint8s(s, 2); |
1339 |
|
1340 |
/* read connection flags */ |
1341 |
in_uint32_le(s, g_redirect_flags); |
1342 |
|
1343 |
/* read length of ip string */ |
1344 |
in_uint32_le(s, len); |
1345 |
|
1346 |
/* read ip string */ |
1347 |
rdp_in_unistr(s, g_redirect_server, sizeof(g_redirect_server), len); |
1348 |
|
1349 |
/* read length of cookie string */ |
1350 |
in_uint32_le(s, len); |
1351 |
|
1352 |
/* read cookie string (plain ASCII) */ |
1353 |
if (len > sizeof(g_redirect_cookie) - 1) |
1354 |
{ |
1355 |
uint32 rem = len - (sizeof(g_redirect_cookie) - 1); |
1356 |
len = sizeof(g_redirect_cookie) - 1; |
1357 |
|
1358 |
warning("Unexpectedly large redirection cookie\n"); |
1359 |
in_uint8a(s, g_redirect_cookie, len); |
1360 |
in_uint8s(s, rem); |
1361 |
} |
1362 |
else |
1363 |
{ |
1364 |
in_uint8a(s, g_redirect_cookie, len); |
1365 |
} |
1366 |
g_redirect_cookie[len] = 0; |
1367 |
|
1368 |
/* read length of username string */ |
1369 |
in_uint32_le(s, len); |
1370 |
|
1371 |
/* read username string */ |
1372 |
rdp_in_unistr(s, g_redirect_username, sizeof(g_redirect_username), len); |
1373 |
|
1374 |
/* read length of domain string */ |
1375 |
in_uint32_le(s, len); |
1376 |
|
1377 |
/* read domain string */ |
1378 |
rdp_in_unistr(s, g_redirect_domain, sizeof(g_redirect_domain), len); |
1379 |
|
1380 |
/* read length of password string */ |
1381 |
in_uint32_le(s, len); |
1382 |
|
1383 |
/* read password string */ |
1384 |
rdp_in_unistr(s, g_redirect_password, sizeof(g_redirect_password), len); |
1385 |
|
1386 |
g_redirect = True; |
1387 |
|
1388 |
return True; |
1389 |
} |
1390 |
|
1391 |
/* Process incoming packets */ |
1392 |
/* nevers gets out of here till app is done */ |
1393 |
void |
1394 |
rdp_main_loop(RD_BOOL * deactivated, uint32 * ext_disc_reason) |
1395 |
{ |
1396 |
while (rdp_loop(deactivated, ext_disc_reason)) |
1397 |
; |
1398 |
} |
1399 |
|
1400 |
/* used in uiports and rdp_main_loop, processes the rdp packets waiting */ |
1401 |
RD_BOOL |
1402 |
rdp_loop(RD_BOOL * deactivated, uint32 * ext_disc_reason) |
1403 |
{ |
1404 |
uint8 type; |
1405 |
RD_BOOL disc = False; /* True when a disconnect PDU was received */ |
1406 |
RD_BOOL cont = True; |
1407 |
STREAM s; |
1408 |
|
1409 |
while (cont) |
1410 |
{ |
1411 |
s = rdp_recv(&type); |
1412 |
if (s == NULL) |
1413 |
return False; |
1414 |
switch (type) |
1415 |
{ |
1416 |
case RDP_PDU_DEMAND_ACTIVE: |
1417 |
process_demand_active(s); |
1418 |
*deactivated = False; |
1419 |
break; |
1420 |
case RDP_PDU_DEACTIVATE: |
1421 |
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
1422 |
*deactivated = True; |
1423 |
break; |
1424 |
case RDP_PDU_REDIRECT: |
1425 |
return process_redirect_pdu(s); |
1426 |
break; |
1427 |
case RDP_PDU_DATA: |
1428 |
disc = process_data_pdu(s, ext_disc_reason); |
1429 |
break; |
1430 |
case 0: |
1431 |
break; |
1432 |
default: |
1433 |
unimpl("PDU %d\n", type); |
1434 |
} |
1435 |
if (disc) |
1436 |
return False; |
1437 |
cont = g_next_packet < s->end; |
1438 |
} |
1439 |
return True; |
1440 |
} |
1441 |
|
1442 |
/* Establish a connection up to the RDP layer */ |
1443 |
RD_BOOL |
1444 |
rdp_connect(char *server, uint32 flags, char *domain, char *password, |
1445 |
char *command, char *directory) |
1446 |
{ |
1447 |
if (!sec_connect(server, g_username)) |
1448 |
return False; |
1449 |
|
1450 |
rdp_send_logon_info(flags, domain, g_username, password, command, directory); |
1451 |
return True; |
1452 |
} |
1453 |
|
1454 |
/* Establish a reconnection up to the RDP layer */ |
1455 |
RD_BOOL |
1456 |
rdp_reconnect(char *server, uint32 flags, char *domain, char *password, |
1457 |
char *command, char *directory, char *cookie) |
1458 |
{ |
1459 |
if (!sec_reconnect(server)) |
1460 |
return False; |
1461 |
|
1462 |
rdp_send_logon_info(flags, domain, g_username, password, command, directory); |
1463 |
return True; |
1464 |
} |
1465 |
|
1466 |
/* Called during redirection to reset the state to support redirection */ |
1467 |
void |
1468 |
rdp_reset_state(void) |
1469 |
{ |
1470 |
g_next_packet = NULL; /* reset the packet information */ |
1471 |
g_rdp_shareid = 0; |
1472 |
sec_reset_state(); |
1473 |
} |
1474 |
|
1475 |
/* Disconnect from the RDP layer */ |
1476 |
void |
1477 |
rdp_disconnect(void) |
1478 |
{ |
1479 |
sec_disconnect(); |
1480 |
} |