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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 1999-2002 |
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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 "rdesktop.h" |
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|
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extern uint16 g_mcs_userid; |
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extern char g_username[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_use_rdp5; |
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extern uint16 g_server_rdp_version; |
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extern int g_server_bpp; |
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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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#if WITH_DEBUG |
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static uint32 g_packetno; |
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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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|
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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(); |
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if (rdp_s == NULL) |
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return NULL; |
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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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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; |
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} |
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|
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s->p += len; |
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} |
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|
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/* Parse a logon info packet */ |
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static void |
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rdp_send_logon_info(uint32 flags, char *domain, char *user, |
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char *password, char *program, char *directory) |
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{ |
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int len_domain = 2 * strlen(domain); |
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int len_user = 2 * strlen(user); |
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int len_password = 2 * strlen(password); |
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int len_program = 2 * strlen(program); |
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int len_directory = 2 * strlen(directory); |
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int len_ip = 2 * strlen("127.0.0.1"); |
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int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); |
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int packetlen = 0; |
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uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
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STREAM s; |
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|
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if (!g_use_rdp5 || 1 == g_server_rdp_version) |
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{ |
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DEBUG_RDP5(("Sending RDP4-style Logon packet\n")); |
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|
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s = sec_init(sec_flags, 18 + len_domain + len_user + len_password |
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+ len_program + len_directory + 10); |
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|
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out_uint32(s, 0); |
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out_uint32_le(s, flags); |
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out_uint16_le(s, len_domain); |
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out_uint16_le(s, len_user); |
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out_uint16_le(s, len_password); |
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out_uint16_le(s, len_program); |
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out_uint16_le(s, len_directory); |
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rdp_out_unistr(s, domain, len_domain); |
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rdp_out_unistr(s, user, len_user); |
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rdp_out_unistr(s, password, len_password); |
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rdp_out_unistr(s, program, len_program); |
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rdp_out_unistr(s, directory, len_directory); |
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} |
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else |
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{ |
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flags |= RDP_LOGON_BLOB; |
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DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
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packetlen = 4 + /* Unknown uint32 */ |
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4 + /* flags */ |
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2 + /* len_domain */ |
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2 + /* len_user */ |
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(flags & RDP_LOGON_AUTO ? 2 : 0) + /* len_password */ |
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(flags & RDP_LOGON_BLOB ? 2 : 0) + /* Length of BLOB */ |
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2 + /* len_program */ |
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2 + /* len_directory */ |
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(0 < len_domain ? len_domain : 2) + /* domain */ |
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len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + /* We have no 512 byte BLOB. Perhaps we must? */ |
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(flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + /* After the BLOB is a unknown int16. If there is a BLOB, that is. */ |
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(0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + /* Unknown (2) */ |
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2 + /* Client ip length */ |
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len_ip + /* Client ip */ |
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2 + /* DLL string length */ |
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len_dll + /* DLL string */ |
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2 + /* Unknown */ |
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2 + /* Unknown */ |
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64 + /* Time zone #0 */ |
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2 + /* Unknown */ |
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64 + /* Time zone #1 */ |
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32; /* Unknown */ |
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|
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s = sec_init(sec_flags, packetlen); |
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DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); |
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|
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out_uint32(s, 0); /* Unknown */ |
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out_uint32_le(s, flags); |
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out_uint16_le(s, len_domain); |
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out_uint16_le(s, len_user); |
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if (flags & RDP_LOGON_AUTO) |
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{ |
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out_uint16_le(s, len_password); |
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|
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} |
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if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
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{ |
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out_uint16_le(s, 0); |
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} |
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out_uint16_le(s, len_program); |
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out_uint16_le(s, len_directory); |
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if (0 < len_domain) |
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rdp_out_unistr(s, domain, len_domain); |
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else |
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out_uint16_le(s, 0); |
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rdp_out_unistr(s, user, len_user); |
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if (flags & RDP_LOGON_AUTO) |
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{ |
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rdp_out_unistr(s, password, len_password); |
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} |
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if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) |
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{ |
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out_uint16_le(s, 0); |
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} |
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if (0 < len_program) |
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{ |
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rdp_out_unistr(s, program, len_program); |
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|
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} |
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else |
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{ |
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out_uint16_le(s, 0); |
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} |
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if (0 < len_directory) |
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{ |
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rdp_out_unistr(s, directory, len_directory); |
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} |
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else |
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{ |
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out_uint16_le(s, 0); |
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} |
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out_uint16_le(s, 2); |
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out_uint16_le(s, len_ip + 2); /* Length of client ip */ |
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rdp_out_unistr(s, "127.0.0.1", len_ip); |
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out_uint16_le(s, len_dll + 2); |
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rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); |
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/* |
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out_uint16_le(s, tz_offset/60); |
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out_uint16_le(s, 0x0000); |
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*/ |
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out_uint16_le(s, 0xffc4); |
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out_uint16_le(s, 0xffff); |
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|
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rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); |
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out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); |
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|
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|
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out_uint32_le(s, 0x0a0000); |
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out_uint32_le(s, 0x050000); |
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out_uint32_le(s, 3); |
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out_uint32_le(s, 0); |
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out_uint32_le(s, 0); |
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|
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rdp_out_unistr(s, "GTB, sommartid", 2 * strlen("GTB, sommartid")); |
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out_uint8s(s, 62 - 2 * strlen("GTB, sommartid")); |
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|
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out_uint32_le(s, 0x30000); |
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out_uint32_le(s, 0x050000); |
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out_uint32_le(s, 2); |
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out_uint32(s, 0); |
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out_uint32_le(s, 0xffffffc4); |
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out_uint32_le(s, 0xfffffffe); |
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out_uint32_le(s, 0x0f); |
277 |
out_uint32(s, 0); |
278 |
|
279 |
|
280 |
} |
281 |
s_mark_end(s); |
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sec_send(s, sec_flags); |
283 |
} |
284 |
|
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/* Send a control PDU */ |
286 |
static void |
287 |
rdp_send_control(uint16 action) |
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{ |
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STREAM s; |
290 |
|
291 |
s = rdp_init_data(8); |
292 |
|
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out_uint16_le(s, action); |
294 |
out_uint16(s, 0); /* userid */ |
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out_uint32(s, 0); /* control id */ |
296 |
|
297 |
s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
299 |
} |
300 |
|
301 |
/* Send a synchronisation PDU */ |
302 |
static void |
303 |
rdp_send_synchronise(void) |
304 |
{ |
305 |
STREAM s; |
306 |
|
307 |
s = rdp_init_data(4); |
308 |
|
309 |
out_uint16_le(s, 1); /* type */ |
310 |
out_uint16_le(s, 1002); |
311 |
|
312 |
s_mark_end(s); |
313 |
rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
314 |
} |
315 |
|
316 |
/* Send a single input event */ |
317 |
void |
318 |
rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) |
319 |
{ |
320 |
STREAM s; |
321 |
|
322 |
s = rdp_init_data(16); |
323 |
|
324 |
out_uint16_le(s, 1); /* number of events */ |
325 |
out_uint16(s, 0); /* pad */ |
326 |
|
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out_uint32_le(s, time); |
328 |
out_uint16_le(s, message_type); |
329 |
out_uint16_le(s, device_flags); |
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out_uint16_le(s, param1); |
331 |
out_uint16_le(s, param2); |
332 |
|
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s_mark_end(s); |
334 |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
335 |
} |
336 |
|
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/* Send an (empty) font information PDU */ |
338 |
static void |
339 |
rdp_send_fonts(uint16 seq) |
340 |
{ |
341 |
STREAM s; |
342 |
|
343 |
s = rdp_init_data(8); |
344 |
|
345 |
out_uint16(s, 0); /* number of fonts */ |
346 |
out_uint16_le(s, 0x3e); /* unknown */ |
347 |
out_uint16_le(s, seq); /* unknown */ |
348 |
out_uint16_le(s, 0x32); /* entry size */ |
349 |
|
350 |
s_mark_end(s); |
351 |
rdp_send_data(s, RDP_DATA_PDU_FONT2); |
352 |
} |
353 |
|
354 |
/* Output general capability set */ |
355 |
static void |
356 |
rdp_out_general_caps(STREAM s) |
357 |
{ |
358 |
out_uint16_le(s, RDP_CAPSET_GENERAL); |
359 |
out_uint16_le(s, RDP_CAPLEN_GENERAL); |
360 |
|
361 |
out_uint16_le(s, 1); /* OS major type */ |
362 |
out_uint16_le(s, 3); /* OS minor type */ |
363 |
out_uint16_le(s, 0x200); /* Protocol version */ |
364 |
out_uint16(s, 0); /* Pad */ |
365 |
out_uint16(s, 0); /* Compression types */ |
366 |
out_uint16_le(s, g_use_rdp5 ? 0x40d : 0); |
367 |
/* Pad, according to T.128. 0x40d seems to |
368 |
trigger |
369 |
the server to start sending RDP5 packets. |
370 |
However, the value is 0x1d04 with W2KTSK and |
371 |
NT4MS. Hmm.. Anyway, thankyou, Microsoft, |
372 |
for sending such information in a padding |
373 |
field.. */ |
374 |
out_uint16(s, 0); /* Update capability */ |
375 |
out_uint16(s, 0); /* Remote unshare capability */ |
376 |
out_uint16(s, 0); /* Compression level */ |
377 |
out_uint16(s, 0); /* Pad */ |
378 |
} |
379 |
|
380 |
/* Output bitmap capability set */ |
381 |
static void |
382 |
rdp_out_bitmap_caps(STREAM s) |
383 |
{ |
384 |
out_uint16_le(s, RDP_CAPSET_BITMAP); |
385 |
out_uint16_le(s, RDP_CAPLEN_BITMAP); |
386 |
|
387 |
out_uint16_le(s, 8); /* Preferred BPP */ |
388 |
out_uint16_le(s, 1); /* Receive 1 BPP */ |
389 |
out_uint16_le(s, 1); /* Receive 4 BPP */ |
390 |
out_uint16_le(s, 1); /* Receive 8 BPP */ |
391 |
out_uint16_le(s, 800); /* Desktop width */ |
392 |
out_uint16_le(s, 600); /* Desktop height */ |
393 |
out_uint16(s, 0); /* Pad */ |
394 |
out_uint16(s, 0); /* Allow resize */ |
395 |
out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ |
396 |
out_uint16(s, 0); /* Unknown */ |
397 |
out_uint16_le(s, 1); /* Unknown */ |
398 |
out_uint16(s, 0); /* Pad */ |
399 |
} |
400 |
|
401 |
/* Output order capability set */ |
402 |
static void |
403 |
rdp_out_order_caps(STREAM s) |
404 |
{ |
405 |
uint8 order_caps[32]; |
406 |
|
407 |
|
408 |
memset(order_caps, 0, 32); |
409 |
order_caps[0] = 1; /* dest blt */ |
410 |
order_caps[1] = 1; /* pat blt */ |
411 |
order_caps[2] = 1; /* screen blt */ |
412 |
order_caps[3] = 1; /* required for memblt? */ |
413 |
order_caps[8] = 1; /* line */ |
414 |
order_caps[9] = 1; /* line */ |
415 |
order_caps[10] = 1; /* rect */ |
416 |
order_caps[11] = (g_desktop_save == False ? 0 : 1); /* desksave */ |
417 |
order_caps[13] = 1; /* memblt */ |
418 |
order_caps[14] = 1; /* triblt */ |
419 |
order_caps[22] = 1; /* polyline */ |
420 |
order_caps[27] = 1; /* text2 */ |
421 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
422 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
423 |
|
424 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
425 |
out_uint16_le(s, 1); /* Cache X granularity */ |
426 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
427 |
out_uint16(s, 0); /* Pad */ |
428 |
out_uint16_le(s, 1); /* Max order level */ |
429 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
430 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
431 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
432 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
433 |
out_uint8s(s, 6); /* Pad */ |
434 |
out_uint32_le(s, g_desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
435 |
out_uint32(s, 0); /* Unknown */ |
436 |
out_uint32_le(s, 0x4e4); /* Unknown */ |
437 |
} |
438 |
|
439 |
/* Output bitmap cache capability set */ |
440 |
static void |
441 |
rdp_out_bmpcache_caps(STREAM s) |
442 |
{ |
443 |
int Bpp; |
444 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
445 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
446 |
|
447 |
Bpp = (g_server_bpp + 7) / 8; |
448 |
out_uint8s(s, 24); /* unused */ |
449 |
out_uint16_le(s, 0x258); /* entries */ |
450 |
out_uint16_le(s, 0x100 * Bpp); /* max cell size */ |
451 |
out_uint16_le(s, 0x12c); /* entries */ |
452 |
out_uint16_le(s, 0x400 * Bpp); /* max cell size */ |
453 |
out_uint16_le(s, 0x106); /* entries */ |
454 |
out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ |
455 |
} |
456 |
|
457 |
/* Output control capability set */ |
458 |
static void |
459 |
rdp_out_control_caps(STREAM s) |
460 |
{ |
461 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
462 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
463 |
|
464 |
out_uint16(s, 0); /* Control capabilities */ |
465 |
out_uint16(s, 0); /* Remote detach */ |
466 |
out_uint16_le(s, 2); /* Control interest */ |
467 |
out_uint16_le(s, 2); /* Detach interest */ |
468 |
} |
469 |
|
470 |
/* Output activation capability set */ |
471 |
static void |
472 |
rdp_out_activate_caps(STREAM s) |
473 |
{ |
474 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
475 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
476 |
|
477 |
out_uint16(s, 0); /* Help key */ |
478 |
out_uint16(s, 0); /* Help index key */ |
479 |
out_uint16(s, 0); /* Extended help key */ |
480 |
out_uint16(s, 0); /* Window activate */ |
481 |
} |
482 |
|
483 |
/* Output pointer capability set */ |
484 |
static void |
485 |
rdp_out_pointer_caps(STREAM s) |
486 |
{ |
487 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
488 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
489 |
|
490 |
out_uint16(s, 0); /* Colour pointer */ |
491 |
out_uint16_le(s, 20); /* Cache size */ |
492 |
} |
493 |
|
494 |
/* Output share capability set */ |
495 |
static void |
496 |
rdp_out_share_caps(STREAM s) |
497 |
{ |
498 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
499 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
500 |
|
501 |
out_uint16(s, 0); /* userid */ |
502 |
out_uint16(s, 0); /* pad */ |
503 |
} |
504 |
|
505 |
/* Output colour cache capability set */ |
506 |
static void |
507 |
rdp_out_colcache_caps(STREAM s) |
508 |
{ |
509 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
510 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
511 |
|
512 |
out_uint16_le(s, 6); /* cache size */ |
513 |
out_uint16(s, 0); /* pad */ |
514 |
} |
515 |
|
516 |
static uint8 canned_caps[] = { |
517 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x04, |
518 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, |
519 |
0x00, 0x00, 0x00, 0x00, 0x00, |
520 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
521 |
0x00, 0x00, 0x00, 0x00, 0x00, |
522 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
523 |
0x00, 0x00, 0x00, 0x00, 0x00, |
524 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
525 |
0x00, 0x00, 0x00, 0x00, 0x00, |
526 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
527 |
0x0C, 0x00, 0x08, 0x00, 0x01, |
528 |
0x00, 0x00, 0x00, 0x0E, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, |
529 |
0x10, 0x00, 0x34, 0x00, 0xFE, |
530 |
0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x08, 0x00, |
531 |
0xFE, 0x00, 0x08, 0x00, 0xFE, |
532 |
0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, 0xFE, 0x00, 0x40, 0x00, |
533 |
0xFE, 0x00, 0x80, 0x00, 0xFE, |
534 |
0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x01, |
535 |
0x02, 0x00, 0x00, 0x00 |
536 |
}; |
537 |
|
538 |
/* Output unknown capability sets (number 13, 12, 14 and 16) */ |
539 |
static void |
540 |
rdp_out_unknown_caps(STREAM s) |
541 |
{ |
542 |
out_uint16_le(s, RDP_CAPSET_UNKNOWN); |
543 |
out_uint16_le(s, 0x58); |
544 |
|
545 |
out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN - 4); |
546 |
} |
547 |
|
548 |
#define RDP5_FLAG 0x0030 |
549 |
/* Send a confirm active PDU */ |
550 |
static void |
551 |
rdp_send_confirm_active(void) |
552 |
{ |
553 |
STREAM s; |
554 |
uint32 sec_flags = g_encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG; |
555 |
uint16 caplen = |
556 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
557 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
558 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
559 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN + 4 /* w2k fix, why? */ ; |
560 |
|
561 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
562 |
|
563 |
out_uint16_le(s, 2 + 14 + caplen + sizeof(RDP_SOURCE)); |
564 |
out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10)); /* Version 1 */ |
565 |
out_uint16_le(s, (g_mcs_userid + 1001)); |
566 |
|
567 |
out_uint32_le(s, g_rdp_shareid); |
568 |
out_uint16_le(s, 0x3ea); /* userid */ |
569 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
570 |
out_uint16_le(s, caplen); |
571 |
|
572 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
573 |
out_uint16_le(s, 0xd); /* num_caps */ |
574 |
out_uint8s(s, 2); /* pad */ |
575 |
|
576 |
rdp_out_general_caps(s); |
577 |
rdp_out_bitmap_caps(s); |
578 |
rdp_out_order_caps(s); |
579 |
rdp_out_bmpcache_caps(s); |
580 |
rdp_out_colcache_caps(s); |
581 |
rdp_out_activate_caps(s); |
582 |
rdp_out_control_caps(s); |
583 |
rdp_out_pointer_caps(s); |
584 |
rdp_out_share_caps(s); |
585 |
rdp_out_unknown_caps(s); |
586 |
|
587 |
s_mark_end(s); |
588 |
sec_send(s, sec_flags); |
589 |
} |
590 |
|
591 |
/* Respond to a demand active PDU */ |
592 |
static void |
593 |
process_demand_active(STREAM s) |
594 |
{ |
595 |
uint8 type; |
596 |
|
597 |
in_uint32_le(s, g_rdp_shareid); |
598 |
|
599 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); |
600 |
|
601 |
rdp_send_confirm_active(); |
602 |
rdp_send_synchronise(); |
603 |
rdp_send_control(RDP_CTL_COOPERATE); |
604 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
605 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
606 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
607 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
608 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(read_keyboard_state()), 0); |
609 |
rdp_send_fonts(1); |
610 |
rdp_send_fonts(2); |
611 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 */ |
612 |
reset_order_state(); |
613 |
} |
614 |
|
615 |
/* Process a colour pointer PDU */ |
616 |
void |
617 |
process_colour_pointer_pdu(STREAM s) |
618 |
{ |
619 |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
620 |
uint8 *mask, *data; |
621 |
HCURSOR cursor; |
622 |
|
623 |
in_uint16_le(s, cache_idx); |
624 |
in_uint16_le(s, x); |
625 |
in_uint16_le(s, y); |
626 |
in_uint16_le(s, width); |
627 |
in_uint16_le(s, height); |
628 |
in_uint16_le(s, masklen); |
629 |
in_uint16_le(s, datalen); |
630 |
in_uint8p(s, data, datalen); |
631 |
in_uint8p(s, mask, masklen); |
632 |
cursor = ui_create_cursor(x, y, width, height, mask, data); |
633 |
ui_set_cursor(cursor); |
634 |
cache_put_cursor(cache_idx, cursor); |
635 |
} |
636 |
|
637 |
/* Process a cached pointer PDU */ |
638 |
void |
639 |
process_cached_pointer_pdu(STREAM s) |
640 |
{ |
641 |
uint16 cache_idx; |
642 |
|
643 |
in_uint16_le(s, cache_idx); |
644 |
ui_set_cursor(cache_get_cursor(cache_idx)); |
645 |
} |
646 |
|
647 |
/* Process a system pointer PDU */ |
648 |
void |
649 |
process_system_pointer_pdu(STREAM s) |
650 |
{ |
651 |
uint16 system_pointer_type; |
652 |
|
653 |
in_uint16(s, system_pointer_type); |
654 |
switch (system_pointer_type) |
655 |
{ |
656 |
case RDP_NULL_POINTER: |
657 |
ui_set_null_cursor(); |
658 |
break; |
659 |
|
660 |
default: |
661 |
unimpl("System pointer message 0x%x\n", system_pointer_type); |
662 |
} |
663 |
} |
664 |
|
665 |
/* Process a pointer PDU */ |
666 |
static void |
667 |
process_pointer_pdu(STREAM s) |
668 |
{ |
669 |
uint16 message_type; |
670 |
uint16 x, y; |
671 |
|
672 |
in_uint16_le(s, message_type); |
673 |
in_uint8s(s, 2); /* pad */ |
674 |
|
675 |
switch (message_type) |
676 |
{ |
677 |
case RDP_POINTER_MOVE: |
678 |
in_uint16_le(s, x); |
679 |
in_uint16_le(s, y); |
680 |
if (s_check(s)) |
681 |
ui_move_pointer(x, y); |
682 |
break; |
683 |
|
684 |
case RDP_POINTER_COLOR: |
685 |
process_colour_pointer_pdu(s); |
686 |
break; |
687 |
|
688 |
case RDP_POINTER_CACHED: |
689 |
process_cached_pointer_pdu(s); |
690 |
break; |
691 |
|
692 |
case RDP_POINTER_SYSTEM: |
693 |
process_system_pointer_pdu(s); |
694 |
break; |
695 |
|
696 |
default: |
697 |
unimpl("Pointer message 0x%x\n", message_type); |
698 |
} |
699 |
} |
700 |
|
701 |
/* Process bitmap updates */ |
702 |
void |
703 |
process_bitmap_updates(STREAM s) |
704 |
{ |
705 |
uint16 num_updates; |
706 |
uint16 left, top, right, bottom, width, height; |
707 |
uint16 cx, cy, bpp, Bpp, compress, bufsize, size; |
708 |
uint8 *data, *bmpdata; |
709 |
int i; |
710 |
|
711 |
in_uint16_le(s, num_updates); |
712 |
|
713 |
for (i = 0; i < num_updates; i++) |
714 |
{ |
715 |
in_uint16_le(s, left); |
716 |
in_uint16_le(s, top); |
717 |
in_uint16_le(s, right); |
718 |
in_uint16_le(s, bottom); |
719 |
in_uint16_le(s, width); |
720 |
in_uint16_le(s, height); |
721 |
in_uint16_le(s, bpp); |
722 |
Bpp = (bpp + 7) / 8; |
723 |
in_uint16_le(s, compress); |
724 |
in_uint16_le(s, bufsize); |
725 |
|
726 |
cx = right - left + 1; |
727 |
cy = bottom - top + 1; |
728 |
|
729 |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
730 |
left, top, right, bottom, width, height, Bpp, compress)); |
731 |
|
732 |
/* Server may limit bpp - this is how we find out */ |
733 |
if (g_server_bpp != bpp) |
734 |
{ |
735 |
warning("Server limited colour depth to %d bits\n", bpp); |
736 |
g_server_bpp = bpp; |
737 |
} |
738 |
|
739 |
if (!compress) |
740 |
{ |
741 |
int y; |
742 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
743 |
for (y = 0; y < height; y++) |
744 |
{ |
745 |
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)], |
746 |
width * Bpp); |
747 |
} |
748 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
749 |
xfree(bmpdata); |
750 |
continue; |
751 |
} |
752 |
|
753 |
|
754 |
if (compress & 0x400) |
755 |
{ |
756 |
size = bufsize; |
757 |
} |
758 |
else |
759 |
{ |
760 |
in_uint8s(s, 2); /* pad */ |
761 |
in_uint16_le(s, size); |
762 |
in_uint8s(s, 4); /* line_size, final_size */ |
763 |
} |
764 |
in_uint8p(s, data, size); |
765 |
bmpdata = (uint8 *) xmalloc(width * height * Bpp); |
766 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
767 |
{ |
768 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
769 |
} |
770 |
else |
771 |
{ |
772 |
DEBUG_RDP5(("Failed to decompress data\n")); |
773 |
} |
774 |
|
775 |
xfree(bmpdata); |
776 |
} |
777 |
} |
778 |
|
779 |
/* Process a palette update */ |
780 |
void |
781 |
process_palette(STREAM s) |
782 |
{ |
783 |
COLOURENTRY *entry; |
784 |
COLOURMAP map; |
785 |
HCOLOURMAP hmap; |
786 |
int i; |
787 |
|
788 |
in_uint8s(s, 2); /* pad */ |
789 |
in_uint16_le(s, map.ncolours); |
790 |
in_uint8s(s, 2); /* pad */ |
791 |
|
792 |
map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours); |
793 |
|
794 |
DEBUG(("PALETTE(c=%d)\n", map.ncolours)); |
795 |
|
796 |
for (i = 0; i < map.ncolours; i++) |
797 |
{ |
798 |
entry = &map.colours[i]; |
799 |
in_uint8(s, entry->red); |
800 |
in_uint8(s, entry->green); |
801 |
in_uint8(s, entry->blue); |
802 |
} |
803 |
|
804 |
hmap = ui_create_colourmap(&map); |
805 |
ui_set_colourmap(hmap); |
806 |
|
807 |
xfree(map.colours); |
808 |
} |
809 |
|
810 |
/* Process an update PDU */ |
811 |
static void |
812 |
process_update_pdu(STREAM s) |
813 |
{ |
814 |
uint16 update_type, count; |
815 |
|
816 |
in_uint16_le(s, update_type); |
817 |
|
818 |
switch (update_type) |
819 |
{ |
820 |
case RDP_UPDATE_ORDERS: |
821 |
in_uint8s(s, 2); /* pad */ |
822 |
in_uint16_le(s, count); |
823 |
in_uint8s(s, 2); /* pad */ |
824 |
process_orders(s, count); |
825 |
break; |
826 |
|
827 |
case RDP_UPDATE_BITMAP: |
828 |
process_bitmap_updates(s); |
829 |
break; |
830 |
|
831 |
case RDP_UPDATE_PALETTE: |
832 |
process_palette(s); |
833 |
break; |
834 |
|
835 |
case RDP_UPDATE_SYNCHRONIZE: |
836 |
break; |
837 |
|
838 |
default: |
839 |
unimpl("update %d\n", update_type); |
840 |
} |
841 |
|
842 |
} |
843 |
|
844 |
/* Process data PDU */ |
845 |
static void |
846 |
process_data_pdu(STREAM s) |
847 |
{ |
848 |
uint8 data_pdu_type; |
849 |
|
850 |
in_uint8s(s, 8); /* shareid, pad, streamid, length */ |
851 |
in_uint8(s, data_pdu_type); |
852 |
in_uint8s(s, 3); /* compress_type, compress_len */ |
853 |
|
854 |
switch (data_pdu_type) |
855 |
{ |
856 |
case RDP_DATA_PDU_UPDATE: |
857 |
process_update_pdu(s); |
858 |
break; |
859 |
|
860 |
case RDP_DATA_PDU_POINTER: |
861 |
process_pointer_pdu(s); |
862 |
break; |
863 |
|
864 |
case RDP_DATA_PDU_BELL: |
865 |
ui_bell(); |
866 |
break; |
867 |
|
868 |
case RDP_DATA_PDU_LOGON: |
869 |
DEBUG(("Received Logon PDU\n")); |
870 |
/* User logged on */ |
871 |
break; |
872 |
|
873 |
case RDP_DATA_PDU_DISCONNECT: |
874 |
/* Normally received when user logs out or disconnects from a |
875 |
console session on Windows XP and 2003 Server */ |
876 |
DEBUG(("Received disconnect PDU\n")); |
877 |
break; |
878 |
|
879 |
default: |
880 |
unimpl("data PDU %d\n", data_pdu_type); |
881 |
} |
882 |
} |
883 |
|
884 |
/* Process incoming packets */ |
885 |
BOOL |
886 |
rdp_main_loop(void) |
887 |
{ |
888 |
uint8 type; |
889 |
STREAM s; |
890 |
|
891 |
while ((s = rdp_recv(&type)) != NULL) |
892 |
{ |
893 |
switch (type) |
894 |
{ |
895 |
case RDP_PDU_DEMAND_ACTIVE: |
896 |
process_demand_active(s); |
897 |
break; |
898 |
|
899 |
case RDP_PDU_DEACTIVATE: |
900 |
DEBUG(("RDP_PDU_DEACTIVATE\n")); |
901 |
/* We thought we could detect a clean |
902 |
shutdown of the session by this |
903 |
packet, but it seems Windows 2003 |
904 |
is sending us one of these when we |
905 |
reconnect to a disconnected session |
906 |
return True; */ |
907 |
break; |
908 |
|
909 |
case RDP_PDU_DATA: |
910 |
process_data_pdu(s); |
911 |
break; |
912 |
|
913 |
case 0: |
914 |
break; |
915 |
|
916 |
default: |
917 |
unimpl("PDU %d\n", type); |
918 |
} |
919 |
} |
920 |
return True; |
921 |
/* We want to detect if we got a clean shutdown, but we |
922 |
can't. Se above. |
923 |
return False; */ |
924 |
} |
925 |
|
926 |
/* Establish a connection up to the RDP layer */ |
927 |
BOOL |
928 |
rdp_connect(char *server, uint32 flags, char *domain, char *password, |
929 |
char *command, char *directory) |
930 |
{ |
931 |
if (!sec_connect(server, g_username)) |
932 |
return False; |
933 |
|
934 |
rdp_send_logon_info(flags, domain, g_username, password, command, directory); |
935 |
return True; |
936 |
} |
937 |
|
938 |
/* Disconnect from the RDP layer */ |
939 |
void |
940 |
rdp_disconnect(void) |
941 |
{ |
942 |
sec_disconnect(); |
943 |
} |