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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 mcs_userid; |
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extern char username[16]; |
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extern BOOL bitmap_compression; |
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extern BOOL orders; |
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extern BOOL encryption; |
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extern BOOL desktop_save; |
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extern BOOL use_rdp5; |
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extern uint16 server_rdp_version; |
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|
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uint8 *next_packet; |
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uint32 rdp_shareid; |
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|
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#if WITH_DEBUG |
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static uint32 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) || (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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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 = 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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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", ++packetno, *type)); |
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// hexdump(next_packet, length); |
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#endif /* */ |
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|
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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(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, (mcs_userid + 1001)); |
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|
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out_uint32_le(s, 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, 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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uint32 sec_flags = encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; |
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STREAM s; |
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|
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if (1 == 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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DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); |
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s = sec_init(sec_flags, 12 + (flags & RDP_LOGON_AUTO ? 2 : 0) + 6 + (flags & RDP_LOGON_AUTO ? len_password : 0) + len_domain + len_user + 4 + len_program + len_directory + 30 + 2 + 60 + 32 + 20 + 32 + 20); /* Phew! */ |
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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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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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out_uint16_le(s, 0); /* Seems to be length of a 512 byte blob with |
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completely unknown data, but hopefully we'll do |
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with a 0 length block as well */ |
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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 (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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rdp_out_unistr(s, domain, len_domain); |
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rdp_out_unistr(s, user, len_user); |
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out_uint16_le(s, 0); |
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out_uint16_le(s, 0); |
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if (0 < len_program) |
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rdp_out_unistr(s, program, len_program); |
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if (0 < len_directory) |
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rdp_out_unistr(s, directory, len_directory); |
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out_uint8s(s, 30); /* Some kind of client data - let's see if the server |
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handles zeros well.. */ |
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out_uint16_le(s, 60); |
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rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", 58); |
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out_uint32_be(s, 0x88ffffff); |
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rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid") - 2); |
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out_uint8s(s, 30 - 2 * strlen("GTP, normaltid")); |
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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, 2); |
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out_uint32_le(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); |
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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") - 1); |
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out_uint8s(s, 30 - 2 * strlen("GTP, sommartid")); |
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|
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out_uint32_le(s, 0x030000); |
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out_uint32_le(s, 0x050000); |
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out_uint32_le(s, 2); |
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out_uint32_le(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); |
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out_uint32_le(s, 0); |
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|
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} |
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s_mark_end(s); |
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sec_send(s, sec_flags); |
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} |
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|
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/* Send a control PDU */ |
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static void |
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rdp_send_control(uint16 action) |
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{ |
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STREAM s; |
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|
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s = rdp_init_data(8); |
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|
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out_uint16_le(s, action); |
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out_uint16(s, 0); /* userid */ |
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out_uint32(s, 0); /* control id */ |
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|
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s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_CONTROL); |
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} |
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|
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/* Send a synchronisation PDU */ |
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static void |
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rdp_send_synchronise(void) |
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{ |
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STREAM s; |
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|
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s = rdp_init_data(4); |
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|
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out_uint16_le(s, 1); /* type */ |
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out_uint16_le(s, 1002); |
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|
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s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_SYNCHRONISE); |
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} |
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|
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/* Send a single input event */ |
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void |
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rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) |
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{ |
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STREAM s; |
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|
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s = rdp_init_data(16); |
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|
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out_uint16_le(s, 1); /* number of events */ |
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out_uint16(s, 0); /* pad */ |
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|
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out_uint32_le(s, time); |
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out_uint16_le(s, message_type); |
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out_uint16_le(s, device_flags); |
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out_uint16_le(s, param1); |
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out_uint16_le(s, param2); |
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|
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s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_INPUT); |
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} |
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|
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/* Send an (empty) font information PDU */ |
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static void |
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rdp_send_fonts(uint16 seq) |
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{ |
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STREAM s; |
287 |
|
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s = rdp_init_data(8); |
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|
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out_uint16(s, 0); /* number of fonts */ |
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out_uint16_le(s, 0x3e); /* unknown */ |
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out_uint16_le(s, seq); /* unknown */ |
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out_uint16_le(s, 0x32); /* entry size */ |
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|
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s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_FONT2); |
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} |
298 |
|
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/* Output general capability set */ |
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static void |
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rdp_out_general_caps(STREAM s) |
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{ |
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out_uint16_le(s, RDP_CAPSET_GENERAL); |
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out_uint16_le(s, RDP_CAPLEN_GENERAL); |
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|
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out_uint16_le(s, 1); /* OS major type */ |
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out_uint16_le(s, 3); /* OS minor type */ |
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out_uint16_le(s, 0x200); /* Protocol version */ |
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out_uint16(s, 0); /* Pad */ |
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out_uint16(s, 0); /* Compression types */ |
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out_uint16(s, use_rdp5 ? 0x40d : 0); |
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/* Pad, according to T.128. 0x40d seems to |
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trigger |
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the server to start sending RDP5 packets. |
315 |
However, the value is 0x1d04 with W2KTSK and |
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NT4MS. Hmm.. Anyway, thankyou, Microsoft, |
317 |
for sending such information in a padding |
318 |
field.. */ |
319 |
out_uint16(s, 0); /* Update capability */ |
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out_uint16(s, 0); /* Remote unshare capability */ |
321 |
out_uint16(s, 0); /* Compression level */ |
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out_uint16(s, 0); /* Pad */ |
323 |
} |
324 |
|
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/* Output bitmap capability set */ |
326 |
static void |
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rdp_out_bitmap_caps(STREAM s) |
328 |
{ |
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out_uint16_le(s, RDP_CAPSET_BITMAP); |
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out_uint16_le(s, RDP_CAPLEN_BITMAP); |
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|
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out_uint16_le(s, 8); /* Preferred BPP */ |
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out_uint16_le(s, 1); /* Receive 1 BPP */ |
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out_uint16_le(s, 1); /* Receive 4 BPP */ |
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out_uint16_le(s, 1); /* Receive 8 BPP */ |
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out_uint16_le(s, 800); /* Desktop width */ |
337 |
out_uint16_le(s, 600); /* Desktop height */ |
338 |
out_uint16(s, 0); /* Pad */ |
339 |
out_uint16(s, 0); /* Allow resize */ |
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out_uint16_le(s, bitmap_compression ? 1 : 0); /* Support compression */ |
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out_uint16(s, 0); /* Unknown */ |
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out_uint16_le(s, 1); /* Unknown */ |
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out_uint16(s, 0); /* Pad */ |
344 |
} |
345 |
|
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/* Output order capability set */ |
347 |
static void |
348 |
rdp_out_order_caps(STREAM s) |
349 |
{ |
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uint8 order_caps[32]; |
351 |
|
352 |
|
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memset(order_caps, 0, 32); |
354 |
order_caps[0] = 1; /* dest blt */ |
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order_caps[1] = 1; /* pat blt */ |
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order_caps[2] = 1; /* screen blt */ |
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order_caps[3] = 1; /* required for memblt? */ |
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order_caps[8] = 1; /* line */ |
359 |
order_caps[9] = 1; /* line */ |
360 |
order_caps[10] = 1; /* rect */ |
361 |
order_caps[11] = (desktop_save == False ? 0 : 1); /* desksave */ |
362 |
order_caps[13] = 1; /* memblt */ |
363 |
order_caps[14] = 1; /* triblt */ |
364 |
order_caps[22] = 1; /* polyline */ |
365 |
order_caps[27] = 1; /* text2 */ |
366 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
367 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
368 |
|
369 |
out_uint8s(s, 20); /* Terminal desc, pad */ |
370 |
out_uint16_le(s, 1); /* Cache X granularity */ |
371 |
out_uint16_le(s, 20); /* Cache Y granularity */ |
372 |
out_uint16(s, 0); /* Pad */ |
373 |
out_uint16_le(s, 1); /* Max order level */ |
374 |
out_uint16_le(s, 0x147); /* Number of fonts */ |
375 |
out_uint16_le(s, 0x2a); /* Capability flags */ |
376 |
out_uint8p(s, order_caps, 32); /* Orders supported */ |
377 |
out_uint16_le(s, 0x6a1); /* Text capability flags */ |
378 |
out_uint8s(s, 6); /* Pad */ |
379 |
out_uint32_le(s, desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ |
380 |
out_uint32(s, 0); /* Unknown */ |
381 |
out_uint32_le(s, 0x4e4); /* Unknown */ |
382 |
} |
383 |
|
384 |
/* Output bitmap cache capability set */ |
385 |
static void |
386 |
rdp_out_bmpcache_caps(STREAM s) |
387 |
{ |
388 |
out_uint16_le(s, RDP_CAPSET_BMPCACHE); |
389 |
out_uint16_le(s, RDP_CAPLEN_BMPCACHE); |
390 |
|
391 |
out_uint8s(s, 24); /* unused */ |
392 |
out_uint16_le(s, 0x258); /* entries */ |
393 |
out_uint16_le(s, 0x100); /* max cell size */ |
394 |
out_uint16_le(s, 0x12c); /* entries */ |
395 |
out_uint16_le(s, 0x400); /* max cell size */ |
396 |
out_uint16_le(s, 0x106); /* entries */ |
397 |
out_uint16_le(s, 0x1000); /* max cell size */ |
398 |
} |
399 |
|
400 |
/* Output control capability set */ |
401 |
static void |
402 |
rdp_out_control_caps(STREAM s) |
403 |
{ |
404 |
out_uint16_le(s, RDP_CAPSET_CONTROL); |
405 |
out_uint16_le(s, RDP_CAPLEN_CONTROL); |
406 |
|
407 |
out_uint16(s, 0); /* Control capabilities */ |
408 |
out_uint16(s, 0); /* Remote detach */ |
409 |
out_uint16_le(s, 2); /* Control interest */ |
410 |
out_uint16_le(s, 2); /* Detach interest */ |
411 |
} |
412 |
|
413 |
/* Output activation capability set */ |
414 |
static void |
415 |
rdp_out_activate_caps(STREAM s) |
416 |
{ |
417 |
out_uint16_le(s, RDP_CAPSET_ACTIVATE); |
418 |
out_uint16_le(s, RDP_CAPLEN_ACTIVATE); |
419 |
|
420 |
out_uint16(s, 0); /* Help key */ |
421 |
out_uint16(s, 0); /* Help index key */ |
422 |
out_uint16(s, 0); /* Extended help key */ |
423 |
out_uint16(s, 0); /* Window activate */ |
424 |
} |
425 |
|
426 |
/* Output pointer capability set */ |
427 |
static void |
428 |
rdp_out_pointer_caps(STREAM s) |
429 |
{ |
430 |
out_uint16_le(s, RDP_CAPSET_POINTER); |
431 |
out_uint16_le(s, RDP_CAPLEN_POINTER); |
432 |
|
433 |
out_uint16(s, 0); /* Colour pointer */ |
434 |
out_uint16_le(s, 20); /* Cache size */ |
435 |
} |
436 |
|
437 |
/* Output share capability set */ |
438 |
static void |
439 |
rdp_out_share_caps(STREAM s) |
440 |
{ |
441 |
out_uint16_le(s, RDP_CAPSET_SHARE); |
442 |
out_uint16_le(s, RDP_CAPLEN_SHARE); |
443 |
|
444 |
out_uint16(s, 0); /* userid */ |
445 |
out_uint16(s, 0); /* pad */ |
446 |
} |
447 |
|
448 |
/* Output colour cache capability set */ |
449 |
static void |
450 |
rdp_out_colcache_caps(STREAM s) |
451 |
{ |
452 |
out_uint16_le(s, RDP_CAPSET_COLCACHE); |
453 |
out_uint16_le(s, RDP_CAPLEN_COLCACHE); |
454 |
|
455 |
out_uint16_le(s, 6); /* cache size */ |
456 |
out_uint16(s, 0); /* pad */ |
457 |
} |
458 |
|
459 |
static uint8 canned_caps[] = { |
460 |
0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x04, |
461 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, |
462 |
0x00, 0x00, 0x00, 0x00, 0x00, |
463 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
464 |
0x00, 0x00, 0x00, 0x00, 0x00, |
465 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
466 |
0x00, 0x00, 0x00, 0x00, 0x00, |
467 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
468 |
0x00, 0x00, 0x00, 0x00, 0x00, |
469 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
470 |
0x0C, 0x00, 0x08, 0x00, 0x01, |
471 |
0x00, 0x00, 0x00, 0x0E, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, |
472 |
0x10, 0x00, 0x34, 0x00, 0xFE, |
473 |
0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x08, 0x00, |
474 |
0xFE, 0x00, 0x08, 0x00, 0xFE, |
475 |
0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, 0xFE, 0x00, 0x40, 0x00, |
476 |
0xFE, 0x00, 0x80, 0x00, 0xFE, |
477 |
0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x01, |
478 |
0x02, 0x00, 0x00, 0x00 |
479 |
}; |
480 |
|
481 |
/* Output unknown capability sets (number 13, 12, 14 and 16) */ |
482 |
static void |
483 |
rdp_out_unknown_caps(STREAM s) |
484 |
{ |
485 |
out_uint16_le(s, RDP_CAPSET_UNKNOWN); |
486 |
out_uint16_le(s, 0x58); |
487 |
|
488 |
out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN - 4); |
489 |
} |
490 |
|
491 |
#define RDP5_FLAG 0x0030 |
492 |
/* Send a confirm active PDU */ |
493 |
static void |
494 |
rdp_send_confirm_active(void) |
495 |
{ |
496 |
STREAM s; |
497 |
uint32 sec_flags = encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG; |
498 |
uint16 caplen = |
499 |
RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + |
500 |
RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + |
501 |
RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + |
502 |
RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + RDP_CAPLEN_UNKNOWN + 4 /* w2k fix, why? */ ; |
503 |
|
504 |
s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); |
505 |
|
506 |
out_uint16_le(s, 2 + 14 + caplen + sizeof(RDP_SOURCE)); |
507 |
out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10)); /* Version 1 */ |
508 |
out_uint16_le(s, (mcs_userid + 1001)); |
509 |
|
510 |
out_uint32_le(s, rdp_shareid); |
511 |
out_uint16_le(s, 0x3ea); /* userid */ |
512 |
out_uint16_le(s, sizeof(RDP_SOURCE)); |
513 |
out_uint16_le(s, caplen); |
514 |
|
515 |
out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); |
516 |
out_uint16_le(s, 0xd); /* num_caps */ |
517 |
out_uint8s(s, 2); /* pad */ |
518 |
|
519 |
rdp_out_general_caps(s); |
520 |
rdp_out_bitmap_caps(s); |
521 |
rdp_out_order_caps(s); |
522 |
rdp_out_bmpcache_caps(s); |
523 |
rdp_out_colcache_caps(s); |
524 |
rdp_out_activate_caps(s); |
525 |
rdp_out_control_caps(s); |
526 |
rdp_out_pointer_caps(s); |
527 |
rdp_out_share_caps(s); |
528 |
rdp_out_unknown_caps(s); |
529 |
|
530 |
s_mark_end(s); |
531 |
sec_send(s, sec_flags); |
532 |
} |
533 |
|
534 |
/* Respond to a demand active PDU */ |
535 |
static void |
536 |
process_demand_active(STREAM s) |
537 |
{ |
538 |
uint8 type; |
539 |
|
540 |
in_uint32_le(s, rdp_shareid); |
541 |
|
542 |
DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid)); |
543 |
|
544 |
rdp_send_confirm_active(); |
545 |
rdp_send_synchronise(); |
546 |
rdp_send_control(RDP_CTL_COOPERATE); |
547 |
rdp_send_control(RDP_CTL_REQUEST_CONTROL); |
548 |
rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ |
549 |
rdp_recv(&type); /* RDP_CTL_COOPERATE */ |
550 |
rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ |
551 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); |
552 |
rdp_send_fonts(1); |
553 |
rdp_send_fonts(2); |
554 |
rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 */ |
555 |
reset_order_state(); |
556 |
} |
557 |
|
558 |
/* Process a null system pointer PDU */ |
559 |
void |
560 |
process_null_system_pointer_pdu(STREAM s) |
561 |
{ |
562 |
// FIXME: We should probably set another cursor here, |
563 |
// like the X window system base cursor or something. |
564 |
ui_set_cursor(cache_get_cursor(0)); |
565 |
} |
566 |
|
567 |
/* Process a colour pointer PDU */ |
568 |
void |
569 |
process_colour_pointer_pdu(STREAM s) |
570 |
{ |
571 |
uint16 x, y, width, height, cache_idx, masklen, datalen; |
572 |
uint8 *mask, *data; |
573 |
HCURSOR cursor; |
574 |
|
575 |
in_uint16_le(s, cache_idx); |
576 |
in_uint16_le(s, x); |
577 |
in_uint16_le(s, y); |
578 |
in_uint16_le(s, width); |
579 |
in_uint16_le(s, height); |
580 |
in_uint16_le(s, masklen); |
581 |
in_uint16_le(s, datalen); |
582 |
in_uint8p(s, data, datalen); |
583 |
in_uint8p(s, mask, masklen); |
584 |
cursor = ui_create_cursor(x, y, width, height, mask, data); |
585 |
ui_set_cursor(cursor); |
586 |
cache_put_cursor(cache_idx, cursor); |
587 |
} |
588 |
|
589 |
/* Process a cached pointer PDU */ |
590 |
void |
591 |
process_cached_pointer_pdu(STREAM s) |
592 |
{ |
593 |
uint16 cache_idx; |
594 |
|
595 |
in_uint16_le(s, cache_idx); |
596 |
ui_set_cursor(cache_get_cursor(cache_idx)); |
597 |
} |
598 |
|
599 |
|
600 |
/* Process a pointer PDU */ |
601 |
static void |
602 |
process_pointer_pdu(STREAM s) |
603 |
{ |
604 |
uint16 message_type; |
605 |
uint16 x, y; |
606 |
|
607 |
in_uint16_le(s, message_type); |
608 |
in_uint8s(s, 2); /* pad */ |
609 |
|
610 |
switch (message_type) |
611 |
{ |
612 |
case RDP_POINTER_MOVE: |
613 |
in_uint16_le(s, x); |
614 |
in_uint16_le(s, y); |
615 |
if (s_check(s)) |
616 |
ui_move_pointer(x, y); |
617 |
break; |
618 |
|
619 |
case RDP_POINTER_COLOR: |
620 |
process_colour_pointer_pdu(s); |
621 |
break; |
622 |
|
623 |
case RDP_POINTER_CACHED: |
624 |
process_cached_pointer_pdu(s); |
625 |
break; |
626 |
|
627 |
default: |
628 |
DEBUG(("Pointer message 0x%x\n", message_type)); |
629 |
} |
630 |
} |
631 |
|
632 |
/* Process bitmap updates */ |
633 |
void |
634 |
process_bitmap_updates(STREAM s) |
635 |
{ |
636 |
uint16 num_updates; |
637 |
uint16 left, top, right, bottom, width, height; |
638 |
uint16 cx, cy, bpp, Bpp, compress, bufsize, size; |
639 |
uint8 *data, *bmpdata; |
640 |
int i; |
641 |
|
642 |
in_uint16_le(s, num_updates); |
643 |
|
644 |
for (i = 0; i < num_updates; i++) |
645 |
{ |
646 |
in_uint16_le(s, left); |
647 |
in_uint16_le(s, top); |
648 |
in_uint16_le(s, right); |
649 |
in_uint16_le(s, bottom); |
650 |
in_uint16_le(s, width); |
651 |
in_uint16_le(s, height); |
652 |
in_uint16_le(s, bpp); |
653 |
Bpp = (bpp + 7) / 8; |
654 |
in_uint16_le(s, compress); |
655 |
in_uint16_le(s, bufsize); |
656 |
|
657 |
cx = right - left + 1; |
658 |
cy = bottom - top + 1; |
659 |
|
660 |
DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", |
661 |
left, top, right, bottom, width, height, Bpp, compress)); |
662 |
|
663 |
if (!compress) |
664 |
{ |
665 |
int y; |
666 |
bmpdata = xmalloc(width * height * Bpp); |
667 |
for (y = 0; y < height; y++) |
668 |
{ |
669 |
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)], |
670 |
width * Bpp); |
671 |
} |
672 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
673 |
xfree(bmpdata); |
674 |
continue; |
675 |
} |
676 |
|
677 |
|
678 |
if (compress & 0x400) |
679 |
{ |
680 |
size = bufsize; |
681 |
} |
682 |
else |
683 |
{ |
684 |
in_uint8s(s, 2); /* pad */ |
685 |
in_uint16_le(s, size); |
686 |
in_uint8s(s, 4); /* line_size, final_size */ |
687 |
} |
688 |
in_uint8p(s, data, size); |
689 |
bmpdata = xmalloc(width * height * Bpp); |
690 |
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) |
691 |
{ |
692 |
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); |
693 |
} |
694 |
else |
695 |
{ |
696 |
DEBUG_RDP5(("Failed to decompress data\n")); |
697 |
} |
698 |
|
699 |
xfree(bmpdata); |
700 |
} |
701 |
} |
702 |
|
703 |
/* Process a palette update */ |
704 |
void |
705 |
process_palette(STREAM s) |
706 |
{ |
707 |
COLOURENTRY *entry; |
708 |
COLOURMAP map; |
709 |
HCOLOURMAP hmap; |
710 |
int i; |
711 |
|
712 |
in_uint8s(s, 2); /* pad */ |
713 |
in_uint16_le(s, map.ncolours); |
714 |
in_uint8s(s, 2); /* pad */ |
715 |
|
716 |
map.colours = xmalloc(3 * map.ncolours); |
717 |
|
718 |
DEBUG(("PALETTE(c=%d)\n", map.ncolours)); |
719 |
|
720 |
for (i = 0; i < map.ncolours; i++) |
721 |
{ |
722 |
entry = &map.colours[i]; |
723 |
in_uint8(s, entry->red); |
724 |
in_uint8(s, entry->green); |
725 |
in_uint8(s, entry->blue); |
726 |
} |
727 |
|
728 |
hmap = ui_create_colourmap(&map); |
729 |
ui_set_colourmap(hmap); |
730 |
|
731 |
xfree(map.colours); |
732 |
} |
733 |
|
734 |
/* Process an update PDU */ |
735 |
static void |
736 |
process_update_pdu(STREAM s) |
737 |
{ |
738 |
uint16 update_type, count; |
739 |
|
740 |
in_uint16_le(s, update_type); |
741 |
|
742 |
switch (update_type) |
743 |
{ |
744 |
case RDP_UPDATE_ORDERS: |
745 |
in_uint8s(s, 2); /* pad */ |
746 |
in_uint16_le(s, count); |
747 |
in_uint8s(s, 2); /* pad */ |
748 |
process_orders(s, count); |
749 |
break; |
750 |
|
751 |
case RDP_UPDATE_BITMAP: |
752 |
process_bitmap_updates(s); |
753 |
break; |
754 |
|
755 |
case RDP_UPDATE_PALETTE: |
756 |
process_palette(s); |
757 |
break; |
758 |
|
759 |
case RDP_UPDATE_SYNCHRONIZE: |
760 |
break; |
761 |
|
762 |
default: |
763 |
unimpl("update %d\n", update_type); |
764 |
} |
765 |
|
766 |
} |
767 |
|
768 |
/* Process data PDU */ |
769 |
static void |
770 |
process_data_pdu(STREAM s) |
771 |
{ |
772 |
uint8 data_pdu_type; |
773 |
|
774 |
in_uint8s(s, 8); /* shareid, pad, streamid, length */ |
775 |
in_uint8(s, data_pdu_type); |
776 |
in_uint8s(s, 3); /* compress_type, compress_len */ |
777 |
|
778 |
switch (data_pdu_type) |
779 |
{ |
780 |
case RDP_DATA_PDU_UPDATE: |
781 |
process_update_pdu(s); |
782 |
break; |
783 |
|
784 |
case RDP_DATA_PDU_POINTER: |
785 |
process_pointer_pdu(s); |
786 |
break; |
787 |
|
788 |
case RDP_DATA_PDU_BELL: |
789 |
ui_bell(); |
790 |
break; |
791 |
|
792 |
case RDP_DATA_PDU_LOGON: |
793 |
DEBUG(("Received Logon PDU\n")); |
794 |
/* User logged on */ |
795 |
break; |
796 |
|
797 |
default: |
798 |
unimpl("data PDU %d\n", data_pdu_type); |
799 |
} |
800 |
} |
801 |
|
802 |
/* Process incoming packets */ |
803 |
void |
804 |
rdp_main_loop(void) |
805 |
{ |
806 |
uint8 type; |
807 |
STREAM s; |
808 |
|
809 |
while ((s = rdp_recv(&type)) != NULL) |
810 |
{ |
811 |
switch (type) |
812 |
{ |
813 |
case RDP_PDU_DEMAND_ACTIVE: |
814 |
process_demand_active(s); |
815 |
break; |
816 |
|
817 |
case RDP_PDU_DEACTIVATE: |
818 |
break; |
819 |
|
820 |
case RDP_PDU_DATA: |
821 |
process_data_pdu(s); |
822 |
break; |
823 |
|
824 |
case 0: |
825 |
break; |
826 |
|
827 |
default: |
828 |
unimpl("PDU %d\n", type); |
829 |
} |
830 |
} |
831 |
} |
832 |
|
833 |
/* Establish a connection up to the RDP layer */ |
834 |
BOOL |
835 |
rdp_connect(char *server, uint32 flags, char *domain, char *password, |
836 |
char *command, char *directory) |
837 |
{ |
838 |
if (!sec_connect(server, username)) |
839 |
return False; |
840 |
|
841 |
rdp_send_logon_info(flags, domain, username, password, command, directory); |
842 |
return True; |
843 |
} |
844 |
|
845 |
/* Disconnect from the RDP layer */ |
846 |
void |
847 |
rdp_disconnect(void) |
848 |
{ |
849 |
sec_disconnect(); |
850 |
} |