--- sourceforge.net/trunk/rdesktop/rdp.c 2000/10/16 08:44:48 21 +++ sourceforge.net/trunk/rdesktop/rdp.c 2005/03/13 17:40:51 861 @@ -1,105 +1,134 @@ -/* +/* -*- c-basic-offset: 8 -*- rdesktop: A Remote Desktop Protocol client. Protocol services - RDP layer - Copyright (C) Matthew Chapman 1999-2000 - + Copyright (C) Matthew Chapman 1999-2005 + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include +#include +#include #include "rdesktop.h" -extern uint16 mcs_userid; -extern char username[16]; -extern BOOL orders; - -unsigned char *next_packet; -uint32 rdp_shareid; +#ifdef HAVE_ICONV +#ifdef HAVE_ICONV_H +#include +#endif -/* Initialise an RDP packet */ -static STREAM rdp_init(int maxlen) -{ - STREAM s; +#ifndef ICONV_CONST +#define ICONV_CONST "" +#endif +#endif - s = sec_init(SEC_ENCRYPT, maxlen + 6); - s_push_layer(s, rdp_hdr, 6); +extern uint16 g_mcs_userid; +extern char g_username[64]; +extern char g_codepage[16]; +extern BOOL g_bitmap_compression; +extern BOOL g_orders; +extern BOOL g_encryption; +extern BOOL g_desktop_save; +extern BOOL g_polygon_ellipse_orders; +extern BOOL g_use_rdp5; +extern uint16 g_server_rdp_version; +extern uint32 g_rdp5_performanceflags; +extern int g_server_bpp; +extern int g_width; +extern int g_height; +extern BOOL g_bitmap_cache; +extern BOOL g_bitmap_cache_persist_enable; - return s; -} +uint8 *g_next_packet; +uint32 g_rdp_shareid; -/* Send an RDP packet */ -static void rdp_send(STREAM s, uint8 pdu_type) -{ - uint16 length; +extern RDPCOMP g_mppc_dict; - s_pop_layer(s, rdp_hdr); - length = s->end - s->p; - - out_uint16_le(s, length); - out_uint16_le(s, (pdu_type | 0x10)); /* Version 1 */ - out_uint16_le(s, (mcs_userid + 1001)); - - sec_send(s, SEC_ENCRYPT); -} +#if WITH_DEBUG +static uint32 g_packetno; +#endif /* Receive an RDP packet */ -static STREAM rdp_recv(uint8 *type) +static STREAM +rdp_recv(uint8 * type) { static STREAM rdp_s; uint16 length, pdu_type; + uint8 rdpver; - if ((rdp_s == NULL) || (next_packet >= rdp_s->end)) + if ((rdp_s == NULL) || (g_next_packet >= rdp_s->end)) { - rdp_s = sec_recv(); + rdp_s = sec_recv(&rdpver); if (rdp_s == NULL) return NULL; + if (rdpver == 0xff) + { + g_next_packet = rdp_s->end; + *type = 0; + return rdp_s; + } + else if (rdpver != 3) + { + /* rdp5_process should move g_next_packet ok */ + rdp5_process(rdp_s); + *type = 0; + return rdp_s; + } - next_packet = rdp_s->p; + g_next_packet = rdp_s->p; } else { - rdp_s->p = next_packet; + rdp_s->p = g_next_packet; } in_uint16_le(rdp_s, length); + /* 32k packets are really 8, keepalive fix */ + if (length == 0x8000) + { + g_next_packet += 8; + *type = 0; + return rdp_s; + } in_uint16_le(rdp_s, pdu_type); - in_uint8s(rdp_s, 2); /* userid */ - - next_packet += length; + in_uint8s(rdp_s, 2); /* userid */ *type = pdu_type & 0xf; -#if RDP_DEBUG - DEBUG("RDP packet (type %x):\n", *type); - hexdump(rdp_s->p, length); -#endif +#if WITH_DEBUG + DEBUG(("RDP packet #%d, (type %x)\n", ++g_packetno, *type)); + hexdump(g_next_packet, length); +#endif /* */ + g_next_packet += length; return rdp_s; } /* Initialise an RDP data packet */ -static STREAM rdp_init_data(int maxlen) +static STREAM +rdp_init_data(int maxlen) { STREAM s; - s = sec_init(SEC_ENCRYPT, maxlen + 18); + s = sec_init(g_encryption ? SEC_ENCRYPT : 0, maxlen + 18); s_push_layer(s, rdp_hdr, 18); return s; } /* Send an RDP data packet */ -static void rdp_send_data(STREAM s, uint8 data_pdu_type) +static void +rdp_send_data(STREAM s, uint8 data_pdu_type) { uint16 length; @@ -108,22 +137,72 @@ out_uint16_le(s, length); out_uint16_le(s, (RDP_PDU_DATA | 0x10)); - out_uint16_le(s, (mcs_userid + 1001)); + out_uint16_le(s, (g_mcs_userid + 1001)); - out_uint32_le(s, rdp_shareid); - out_uint8(s, 0); /* pad */ - out_uint8(s, 1); /* streamid */ - out_uint16(s, (length - 14)); + out_uint32_le(s, g_rdp_shareid); + out_uint8(s, 0); /* pad */ + out_uint8(s, 1); /* streamid */ + out_uint16_le(s, (length - 14)); out_uint8(s, data_pdu_type); - out_uint8(s, 0); /* compress_type */ - out_uint16(s, 0); /* compress_len */ + out_uint8(s, 0); /* compress_type */ + out_uint16(s, 0); /* compress_len */ - sec_send(s, SEC_ENCRYPT); + sec_send(s, g_encryption ? SEC_ENCRYPT : 0); } /* Output a string in Unicode */ -void rdp_out_unistr(STREAM s, char *string, int len) +void +rdp_out_unistr(STREAM s, char *string, int len) { +#ifdef HAVE_ICONV + size_t ibl = strlen(string), obl = len + 2; + static iconv_t iconv_h = (iconv_t) - 1; + char *pin = string, *pout; +#ifdef B_ENDIAN + char ss[4096]; // FIXME: global MAX_BUF_SIZE macro need + + pout = ss; +#else + pout = s->p; +#endif + + memset(pout, 0, len + 4); + + if (iconv_h == (iconv_t) - 1) + { + size_t i = 1, o = 4; + if ((iconv_h = iconv_open(WINDOWS_CODEPAGE, g_codepage)) == (iconv_t) - 1) + { + printf("rdp_out_unistr: iconv_open[%s -> %s] fail %d\n", + g_codepage, WINDOWS_CODEPAGE, (int) iconv_h); + return; + } + if (iconv(iconv_h, (ICONV_CONST char **) &pin, &i, &pout, &o) == (size_t) - 1) + { + iconv_close(iconv_h); + iconv_h = (iconv_t) - 1; + printf("rdp_out_unistr: iconv(1) fail, errno %d\n", errno); + return; + } + pin = string; + pout = (char *) s->p; + } + + if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) + { + iconv_close(iconv_h); + iconv_h = (iconv_t) - 1; + printf("rdp_out_unistr: iconv(2) fail, errno %d\n", errno); + return; + } + +#ifdef B_ENDIAN + swab(ss, (char *) s->p, len + 4); +#endif + + s->p += len + 2; + +#else /*HAVE_ICONV undef */ int i = 0, j = 0; len += 2; @@ -135,63 +214,243 @@ } s->p += len; +#endif } +/* Input a string in Unicode + * + * Returns str_len of string + */ +int +rdp_in_unistr(STREAM s, char *string, int uni_len) +{ +#ifdef HAVE_ICONV + size_t ibl = uni_len, obl = uni_len; + char *pin, *pout = string; + static iconv_t iconv_h = (iconv_t) - 1; +#ifdef B_ENDIAN + char ss[4096]; // FIXME: global MAX_BUF_SIZE macro need + + swab((char *) s->p, ss, uni_len); + pin = ss; +#else + pin = s->p; +#endif + + if (iconv_h == (iconv_t) - 1) + { + if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) + { + printf("rdp_in_unistr: iconv_open[%s -> %s] fail %d\n", + WINDOWS_CODEPAGE, g_codepage, (int) iconv_h); + return 0; + } + } + + if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) + { + iconv_close(iconv_h); + iconv_h = (iconv_t) - 1; + printf("rdp_in_unistr: iconv fail, errno %d\n", errno); + return 0; + } + return pout - string; +#else /* HAVE_ICONV undef */ + int i = 0; + + while (i < uni_len / 2) + { + in_uint8a(s, &string[i++], 1); + in_uint8s(s, 1); + } + + return i - 1; +#endif +} + + /* Parse a logon info packet */ -static void rdp_send_logon_info(uint32 flags, char *domain, char *user, - char *password, char *program, char *directory) -{ - int len_domain = 2 * strlen(domain); - int len_user = 2 * strlen(user); - int len_password = 2 * strlen(password); - int len_program = 2 * strlen(program); +static void +rdp_send_logon_info(uint32 flags, char *domain, char *user, + char *password, char *program, char *directory) +{ + char *ipaddr = tcp_get_address(); + int len_domain = 2 * strlen(domain); + int len_user = 2 * strlen(user); + int len_password = 2 * strlen(password); + int len_program = 2 * strlen(program); int len_directory = 2 * strlen(directory); - uint32 sec_flags = SEC_LOGON_INFO | SEC_ENCRYPT; + int len_ip = 2 * strlen(ipaddr); + int len_dll = 2 * strlen("C:\\WINNT\\System32\\mstscax.dll"); + int packetlen = 0; + uint32 sec_flags = g_encryption ? (SEC_LOGON_INFO | SEC_ENCRYPT) : SEC_LOGON_INFO; STREAM s; + time_t t = time(NULL); + time_t tzone; + +#if 0 + /* enable rdp compression */ + /* some problems still exist with rdp5 */ + flags |= RDP_COMPRESSION; +#endif + + if (!g_use_rdp5 || 1 == g_server_rdp_version) + { + DEBUG_RDP5(("Sending RDP4-style Logon packet\n")); + + s = sec_init(sec_flags, 18 + len_domain + len_user + len_password + + len_program + len_directory + 10); + + out_uint32(s, 0); + out_uint32_le(s, flags); + out_uint16_le(s, len_domain); + out_uint16_le(s, len_user); + out_uint16_le(s, len_password); + out_uint16_le(s, len_program); + out_uint16_le(s, len_directory); + rdp_out_unistr(s, domain, len_domain); + rdp_out_unistr(s, user, len_user); + rdp_out_unistr(s, password, len_password); + rdp_out_unistr(s, program, len_program); + rdp_out_unistr(s, directory, len_directory); + } + else + { + + flags |= RDP_LOGON_BLOB; + DEBUG_RDP5(("Sending RDP5-style Logon packet\n")); + packetlen = 4 + /* Unknown uint32 */ + 4 + /* flags */ + 2 + /* len_domain */ + 2 + /* len_user */ + (flags & RDP_LOGON_AUTO ? 2 : 0) + /* len_password */ + (flags & RDP_LOGON_BLOB ? 2 : 0) + /* Length of BLOB */ + 2 + /* len_program */ + 2 + /* len_directory */ + (0 < len_domain ? len_domain : 2) + /* domain */ + len_user + (flags & RDP_LOGON_AUTO ? len_password : 0) + 0 + /* We have no 512 byte BLOB. Perhaps we must? */ + (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO) ? 2 : 0) + /* After the BLOB is a unknown int16. If there is a BLOB, that is. */ + (0 < len_program ? len_program : 2) + (0 < len_directory ? len_directory : 2) + 2 + /* Unknown (2) */ + 2 + /* Client ip length */ + len_ip + /* Client ip */ + 2 + /* DLL string length */ + len_dll + /* DLL string */ + 2 + /* Unknown */ + 2 + /* Unknown */ + 64 + /* Time zone #0 */ + 2 + /* Unknown */ + 64 + /* Time zone #1 */ + 32; /* Unknown */ + + s = sec_init(sec_flags, packetlen); + DEBUG_RDP5(("Called sec_init with packetlen %d\n", packetlen)); + + out_uint32(s, 0); /* Unknown */ + out_uint32_le(s, flags); + out_uint16_le(s, len_domain); + out_uint16_le(s, len_user); + if (flags & RDP_LOGON_AUTO) + { + out_uint16_le(s, len_password); + + } + if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) + { + out_uint16_le(s, 0); + } + out_uint16_le(s, len_program); + out_uint16_le(s, len_directory); + if (0 < len_domain) + rdp_out_unistr(s, domain, len_domain); + else + out_uint16_le(s, 0); + rdp_out_unistr(s, user, len_user); + if (flags & RDP_LOGON_AUTO) + { + rdp_out_unistr(s, password, len_password); + } + if (flags & RDP_LOGON_BLOB && !(flags & RDP_LOGON_AUTO)) + { + out_uint16_le(s, 0); + } + if (0 < len_program) + { + rdp_out_unistr(s, program, len_program); - s = sec_init(sec_flags, 18 + len_domain + len_user + len_password - + len_program + len_directory + 10); + } + else + { + out_uint16_le(s, 0); + } + if (0 < len_directory) + { + rdp_out_unistr(s, directory, len_directory); + } + else + { + out_uint16_le(s, 0); + } + out_uint16_le(s, 2); + out_uint16_le(s, len_ip + 2); /* Length of client ip */ + rdp_out_unistr(s, ipaddr, len_ip); + out_uint16_le(s, len_dll + 2); + rdp_out_unistr(s, "C:\\WINNT\\System32\\mstscax.dll", len_dll); + + tzone = (mktime(gmtime(&t)) - mktime(localtime(&t))) / 60; + out_uint32_le(s, tzone); + + rdp_out_unistr(s, "GTB, normaltid", 2 * strlen("GTB, normaltid")); + out_uint8s(s, 62 - 2 * strlen("GTB, normaltid")); + + out_uint32_le(s, 0x0a0000); + out_uint32_le(s, 0x050000); + out_uint32_le(s, 3); + out_uint32_le(s, 0); + out_uint32_le(s, 0); + + rdp_out_unistr(s, "GTB, sommartid", 2 * strlen("GTB, sommartid")); + out_uint8s(s, 62 - 2 * strlen("GTB, sommartid")); + + out_uint32_le(s, 0x30000); + out_uint32_le(s, 0x050000); + out_uint32_le(s, 2); + out_uint32(s, 0); + out_uint32_le(s, 0xffffffc4); + out_uint32_le(s, 0xfffffffe); + out_uint32_le(s, g_rdp5_performanceflags); + out_uint32(s, 0); - out_uint32(s, 0); - out_uint32_le(s, flags); - out_uint16_le(s, len_domain); - out_uint16_le(s, len_user); - out_uint16_le(s, len_password); - out_uint16_le(s, len_program); - out_uint16_le(s, len_directory); - rdp_out_unistr(s, domain, len_domain); - rdp_out_unistr(s, user, len_user); - rdp_out_unistr(s, password, len_password); - rdp_out_unistr(s, program, len_program); - rdp_out_unistr(s, directory, len_directory); + } s_mark_end(s); sec_send(s, sec_flags); } /* Send a control PDU */ -static void rdp_send_control(uint16 action) +static void +rdp_send_control(uint16 action) { STREAM s; s = rdp_init_data(8); out_uint16_le(s, action); - out_uint16(s, 0); /* userid */ - out_uint32(s, 0); /* control id */ + out_uint16(s, 0); /* userid */ + out_uint32(s, 0); /* control id */ s_mark_end(s); rdp_send_data(s, RDP_DATA_PDU_CONTROL); } /* Send a synchronisation PDU */ -static void rdp_send_synchronise() +static void +rdp_send_synchronise(void) { STREAM s; s = rdp_init_data(4); - out_uint16_le(s, 1); /* type */ + out_uint16_le(s, 1); /* type */ out_uint16_le(s, 1002); s_mark_end(s); @@ -199,15 +458,15 @@ } /* Send a single input event */ -void rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, - uint16 param1, uint16 param2) +void +rdp_send_input(uint32 time, uint16 message_type, uint16 device_flags, uint16 param1, uint16 param2) { STREAM s; s = rdp_init_data(16); - out_uint16_le(s, 1); /* number of events */ - out_uint16(s, 0); /* pad */ + out_uint16_le(s, 1); /* number of events */ + out_uint16(s, 0); /* pad */ out_uint32_le(s, time); out_uint16_le(s, message_type); @@ -219,15 +478,60 @@ rdp_send_data(s, RDP_DATA_PDU_INPUT); } +/* Inform the server on the contents of the persistent bitmap cache */ +static void +rdp_enum_bmpcache2(void) +{ + STREAM s; + HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; + uint32 num_keys, offset, count, flags; + + offset = 0; + num_keys = pstcache_enumerate(2, keylist); + + while (offset < num_keys) + { + count = MIN(num_keys - offset, 169); + + s = rdp_init_data(24 + count * sizeof(HASH_KEY)); + + flags = 0; + if (offset == 0) + flags |= PDU_FLAG_FIRST; + if (num_keys - offset <= 169) + flags |= PDU_FLAG_LAST; + + /* header */ + out_uint32_le(s, 0); + out_uint16_le(s, count); + out_uint16_le(s, 0); + out_uint16_le(s, 0); + out_uint16_le(s, 0); + out_uint16_le(s, 0); + out_uint16_le(s, num_keys); + out_uint32_le(s, 0); + out_uint32_le(s, flags); + + /* list */ + out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); + + s_mark_end(s); + rdp_send_data(s, 0x2b); + + offset += 169; + } +} + /* Send an (empty) font information PDU */ -static void rdp_send_fonts(uint16 seq) +static void +rdp_send_fonts(uint16 seq) { STREAM s; s = rdp_init_data(8); out_uint16(s, 0); /* number of fonts */ - out_uint16_le(s, 0x3e); /* unknown */ + out_uint16_le(s, 0); /* pad? */ out_uint16_le(s, seq); /* unknown */ out_uint16_le(s, 0x32); /* entry size */ @@ -236,17 +540,25 @@ } /* Output general capability set */ -static void rdp_out_general_caps(STREAM s) +static void +rdp_out_general_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_GENERAL); out_uint16_le(s, RDP_CAPLEN_GENERAL); out_uint16_le(s, 1); /* OS major type */ out_uint16_le(s, 3); /* OS minor type */ - out_uint16_le(s, 0x200); /* Protocol version */ + out_uint16_le(s, 0x200); /* Protocol version */ out_uint16(s, 0); /* Pad */ out_uint16(s, 0); /* Compression types */ - out_uint16(s, 0); /* Pad */ + out_uint16_le(s, g_use_rdp5 ? 0x40d : 0); + /* Pad, according to T.128. 0x40d seems to + trigger + the server to start sending RDP5 packets. + However, the value is 0x1d04 with W2KTSK and + NT4MS. Hmm.. Anyway, thankyou, Microsoft, + for sending such information in a padding + field.. */ out_uint16(s, 0); /* Update capability */ out_uint16(s, 0); /* Remote unshare capability */ out_uint16(s, 0); /* Compression level */ @@ -254,32 +566,50 @@ } /* Output bitmap capability set */ -static void rdp_out_bitmap_caps(STREAM s) +static void +rdp_out_bitmap_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_BITMAP); out_uint16_le(s, RDP_CAPLEN_BITMAP); - out_uint16_le(s, 8); /* Preferred BPP */ - out_uint16(s, 1); /* Receive 1 BPP */ - out_uint16(s, 1); /* Receive 4 BPP */ + out_uint16_le(s, g_server_bpp); /* Preferred BPP */ + out_uint16_le(s, 1); /* Receive 1 BPP */ + out_uint16_le(s, 1); /* Receive 4 BPP */ out_uint16_le(s, 1); /* Receive 8 BPP */ out_uint16_le(s, 800); /* Desktop width */ out_uint16_le(s, 600); /* Desktop height */ out_uint16(s, 0); /* Pad */ - out_uint16(s, 0); /* Allow resize */ - out_uint16_le(s, 1); /* Support compression */ + out_uint16(s, 1); /* Allow resize */ + out_uint16_le(s, g_bitmap_compression ? 1 : 0); /* Support compression */ out_uint16(s, 0); /* Unknown */ out_uint16_le(s, 1); /* Unknown */ out_uint16(s, 0); /* Pad */ } /* Output order capability set */ -static void rdp_out_order_caps(STREAM s) +static void +rdp_out_order_caps(STREAM s) { uint8 order_caps[32]; - memset(order_caps, orders, 32); - + memset(order_caps, 0, 32); + order_caps[0] = 1; /* dest blt */ + order_caps[1] = 1; /* pat blt */ + order_caps[2] = 1; /* screen blt */ + order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ + order_caps[4] = 0; /* triblt */ + order_caps[8] = 1; /* line */ + order_caps[9] = 1; /* line */ + order_caps[10] = 1; /* rect */ + order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ + order_caps[13] = 1; /* memblt */ + order_caps[14] = 1; /* triblt */ + order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ + order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ + order_caps[22] = 1; /* polyline */ + order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ + order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ + order_caps[27] = 1; /* text2 */ out_uint16_le(s, RDP_CAPSET_ORDER); out_uint16_le(s, RDP_CAPLEN_ORDER); @@ -289,32 +619,60 @@ out_uint16(s, 0); /* Pad */ out_uint16_le(s, 1); /* Max order level */ out_uint16_le(s, 0x147); /* Number of fonts */ - out_uint16_le(s, 0x2a); /* Capability flags */ + out_uint16_le(s, 0x2a); /* Capability flags */ out_uint8p(s, order_caps, 32); /* Orders supported */ out_uint16_le(s, 0x6a1); /* Text capability flags */ out_uint8s(s, 6); /* Pad */ - out_uint32(s, 0x38400); /* Desktop cache size */ + out_uint32_le(s, g_desktop_save == False ? 0 : 0x38400); /* Desktop cache size */ out_uint32(s, 0); /* Unknown */ - out_uint32(s, 0x4e4); /* Unknown */ + out_uint32_le(s, 0x4e4); /* Unknown */ } /* Output bitmap cache capability set */ -static void rdp_out_bmpcache_caps(STREAM s) +static void +rdp_out_bmpcache_caps(STREAM s) { + int Bpp; out_uint16_le(s, RDP_CAPSET_BMPCACHE); out_uint16_le(s, RDP_CAPLEN_BMPCACHE); - out_uint8s(s, 24); /* unused */ - out_uint16_le(s, 0x258); /* entries */ - out_uint16_le(s, 0x100); /* max cell size */ - out_uint16_le(s, 0x12c); /* entries */ - out_uint16_le(s, 0x400); /* max cell size */ - out_uint16_le(s, 0x106); /* entries */ - out_uint16_le(s, 0x1000); /* max cell size */ + Bpp = (g_server_bpp + 7) / 8; + out_uint8s(s, 24); /* unused */ + out_uint16_le(s, 0x258); /* entries */ + out_uint16_le(s, 0x100 * Bpp); /* max cell size */ + out_uint16_le(s, 0x12c); /* entries */ + out_uint16_le(s, 0x400 * Bpp); /* max cell size */ + out_uint16_le(s, 0x106); /* entries */ + out_uint16_le(s, 0x1000 * Bpp); /* max cell size */ +} + +/* Output bitmap cache v2 capability set */ +static void +rdp_out_bmpcache2_caps(STREAM s) +{ + out_uint16_le(s, RDP_CAPSET_BMPCACHE2); + out_uint16_le(s, RDP_CAPLEN_BMPCACHE2); + + out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ + + out_uint16_le(s, 0x0300); /* flags? number of caches? */ + + out_uint32_le(s, BMPCACHE2_C0_CELLS); + out_uint32_le(s, BMPCACHE2_C1_CELLS); + if (pstcache_init(2)) + { + out_uint32_le(s, BMPCACHE2_NUM_PSTCELLS | BMPCACHE2_FLAG_PERSIST); + } + else + { + out_uint32_le(s, BMPCACHE2_C2_CELLS); + } + out_uint8s(s, 20); /* other bitmap caches not used */ } /* Output control capability set */ -static void rdp_out_control_caps(STREAM s) +static void +rdp_out_control_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_CONTROL); out_uint16_le(s, RDP_CAPLEN_CONTROL); @@ -326,7 +684,8 @@ } /* Output activation capability set */ -static void rdp_out_activate_caps(STREAM s) +static void +rdp_out_activate_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_ACTIVATE); out_uint16_le(s, RDP_CAPLEN_ACTIVATE); @@ -338,7 +697,8 @@ } /* Output pointer capability set */ -static void rdp_out_pointer_caps(STREAM s) +static void +rdp_out_pointer_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_POINTER); out_uint16_le(s, RDP_CAPLEN_POINTER); @@ -348,7 +708,8 @@ } /* Output share capability set */ -static void rdp_out_share_caps(STREAM s) +static void +rdp_out_share_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_SHARE); out_uint16_le(s, RDP_CAPLEN_SHARE); @@ -358,7 +719,8 @@ } /* Output colour cache capability set */ -static void rdp_out_colcache_caps(STREAM s) +static void +rdp_out_colcache_caps(STREAM s) { out_uint16_le(s, RDP_CAPSET_COLCACHE); out_uint16_le(s, RDP_CAPLEN_COLCACHE); @@ -367,94 +729,274 @@ out_uint16(s, 0); /* pad */ } -static uint8 canned_caps[] = { -0x01,0x00,0x00,0x00,0x09,0x04,0x00,0x00,0x04, -0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x08,0x00,0x01, -0x00,0x00,0x00,0x0E,0x00,0x08,0x00,0x01,0x00,0x00,0x00,0x10,0x00,0x34,0x00,0xFE, -0x00,0x04,0x00,0xFE,0x00,0x04,0x00,0xFE,0x00,0x08,0x00,0xFE,0x00,0x08,0x00,0xFE, -0x00,0x10,0x00,0xFE,0x00,0x20,0x00,0xFE,0x00,0x40,0x00,0xFE,0x00,0x80,0x00,0xFE, -0x00,0x00,0x01,0x40,0x00,0x00,0x08,0x00,0x01,0x00,0x01,0x02,0x00,0x00,0x00 +static uint8 caps_0x0d[] = { + 0x01, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 }; -/* Output unknown capability set */ -static void rdp_out_unknown_caps(STREAM s) +static uint8 caps_0x0c[] = { 0x01, 0x00, 0x00, 0x00 }; + +static uint8 caps_0x0e[] = { 0x01, 0x00, 0x00, 0x00 }; + +static uint8 caps_0x10[] = { + 0xFE, 0x00, 0x04, 0x00, 0xFE, 0x00, 0x04, 0x00, + 0xFE, 0x00, 0x08, 0x00, 0xFE, 0x00, 0x08, 0x00, + 0xFE, 0x00, 0x10, 0x00, 0xFE, 0x00, 0x20, 0x00, + 0xFE, 0x00, 0x40, 0x00, 0xFE, 0x00, 0x80, 0x00, + 0xFE, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x08, + 0x00, 0x01, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00 +}; + +/* Output unknown capability sets */ +static void +rdp_out_unknown_caps(STREAM s, uint16 id, uint16 length, uint8 * caps) { - out_uint16_le(s, RDP_CAPSET_UNKNOWN); - out_uint16_le(s, 0x58); - - out_uint8p(s, canned_caps, RDP_CAPLEN_UNKNOWN-4); + out_uint16_le(s, id); + out_uint16_le(s, length); + + out_uint8p(s, caps, length - 4); } +#define RDP5_FLAG 0x0030 /* Send a confirm active PDU */ -static void rdp_send_confirm_active() +static void +rdp_send_confirm_active(void) { STREAM s; - uint16 caplen = RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER - + RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + RDP_CAPLEN_ACTIVATE - + RDP_CAPLEN_CONTROL + RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE - + RDP_CAPLEN_UNKNOWN; - - s = rdp_init(14 + caplen + sizeof(RDP_SOURCE)); + uint32 sec_flags = g_encryption ? (RDP5_FLAG | SEC_ENCRYPT) : RDP5_FLAG; + uint16 caplen = + RDP_CAPLEN_GENERAL + RDP_CAPLEN_BITMAP + RDP_CAPLEN_ORDER + + RDP_CAPLEN_BMPCACHE + RDP_CAPLEN_COLCACHE + + RDP_CAPLEN_ACTIVATE + RDP_CAPLEN_CONTROL + + RDP_CAPLEN_POINTER + RDP_CAPLEN_SHARE + + 0x58 + 0x08 + 0x08 + 0x34 /* unknown caps */ + + 4 /* w2k fix, why? */ ; + + s = sec_init(sec_flags, 6 + 14 + caplen + sizeof(RDP_SOURCE)); + + out_uint16_le(s, 2 + 14 + caplen + sizeof(RDP_SOURCE)); + out_uint16_le(s, (RDP_PDU_CONFIRM_ACTIVE | 0x10)); /* Version 1 */ + out_uint16_le(s, (g_mcs_userid + 1001)); - out_uint32_le(s, rdp_shareid); - out_uint16_le(s, 0x3ea); /* userid */ + out_uint32_le(s, g_rdp_shareid); + out_uint16_le(s, 0x3ea); /* userid */ out_uint16_le(s, sizeof(RDP_SOURCE)); out_uint16_le(s, caplen); out_uint8p(s, RDP_SOURCE, sizeof(RDP_SOURCE)); - out_uint16_le(s, 0xd); /* num_caps */ - out_uint8s(s, 2); /* pad */ + out_uint16_le(s, 0xd); /* num_caps */ + out_uint8s(s, 2); /* pad */ rdp_out_general_caps(s); rdp_out_bitmap_caps(s); rdp_out_order_caps(s); - rdp_out_bmpcache_caps(s); + g_use_rdp5 ? rdp_out_bmpcache2_caps(s) : rdp_out_bmpcache_caps(s); rdp_out_colcache_caps(s); rdp_out_activate_caps(s); rdp_out_control_caps(s); rdp_out_pointer_caps(s); rdp_out_share_caps(s); - rdp_out_unknown_caps(s); + + rdp_out_unknown_caps(s, 0x0d, 0x58, caps_0x0d); /* international? */ + rdp_out_unknown_caps(s, 0x0c, 0x08, caps_0x0c); + rdp_out_unknown_caps(s, 0x0e, 0x08, caps_0x0e); + rdp_out_unknown_caps(s, 0x10, 0x34, caps_0x10); /* glyph cache? */ s_mark_end(s); - rdp_send(s, RDP_PDU_CONFIRM_ACTIVE); + sec_send(s, sec_flags); +} + +/* Process a general capability set */ +static void +rdp_process_general_caps(STREAM s) +{ + uint16 pad2octetsB; /* rdp5 flags? */ + + in_uint8s(s, 10); + in_uint16_le(s, pad2octetsB); + + if (!pad2octetsB) + g_use_rdp5 = False; +} + +/* Process a bitmap capability set */ +static void +rdp_process_bitmap_caps(STREAM s) +{ + uint16 width, height, bpp; + + in_uint16_le(s, bpp); + in_uint8s(s, 6); + + in_uint16_le(s, width); + in_uint16_le(s, height); + + DEBUG(("setting desktop size and bpp to: %dx%dx%d\n", width, height, bpp)); + + /* + * The server may limit bpp and change the size of the desktop (for + * example when shadowing another session). + */ + if (g_server_bpp != bpp) + { + warning("colour depth changed from %d to %d\n", g_server_bpp, bpp); + g_server_bpp = bpp; + } + if (g_width != width || g_height != height) + { + warning("screen size changed from %dx%d to %dx%d\n", g_width, g_height, + width, height); + g_width = width; + g_height = height; + ui_resize_window(); + } +} + +/* Process server capabilities */ +void +rdp_process_server_caps(STREAM s, uint16 length) +{ + int n; + uint8 *next, *start; + uint16 ncapsets, capset_type, capset_length; + + start = s->p; + + in_uint16_le(s, ncapsets); + in_uint8s(s, 2); /* pad */ + + for (n = 0; n < ncapsets; n++) + { + if (s->p > start + length) + return; + + in_uint16_le(s, capset_type); + in_uint16_le(s, capset_length); + + next = s->p + capset_length - 4; + + switch (capset_type) + { + case RDP_CAPSET_GENERAL: + rdp_process_general_caps(s); + break; + + case RDP_CAPSET_BITMAP: + rdp_process_bitmap_caps(s); + break; + } + + s->p = next; + } } /* Respond to a demand active PDU */ -static void process_demand_active(STREAM s) +static void +process_demand_active(STREAM s) { uint8 type; + uint16 len_src_descriptor, len_combined_caps; - in_uint32_le(s, rdp_shareid); + in_uint32_le(s, g_rdp_shareid); + in_uint16_le(s, len_src_descriptor); + in_uint16_le(s, len_combined_caps); + in_uint8s(s, len_src_descriptor); - DEBUG("DEMAND_ACTIVE(id=0x%x)\n", rdp_shareid); + DEBUG(("DEMAND_ACTIVE(id=0x%x)\n", g_rdp_shareid)); + rdp_process_server_caps(s, len_combined_caps); rdp_send_confirm_active(); rdp_send_synchronise(); rdp_send_control(RDP_CTL_COOPERATE); rdp_send_control(RDP_CTL_REQUEST_CONTROL); - rdp_recv(&type); // RDP_PDU_SYNCHRONIZE - rdp_recv(&type); // RDP_CTL_COOPERATE - rdp_recv(&type); // RDP_CTL_GRANT_CONTROL - rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, 0, 0); - rdp_send_fonts(1); - rdp_send_fonts(2); - rdp_recv(&type); // RDP_PDU_UNKNOWN 0x28 + rdp_recv(&type); /* RDP_PDU_SYNCHRONIZE */ + rdp_recv(&type); /* RDP_CTL_COOPERATE */ + rdp_recv(&type); /* RDP_CTL_GRANT_CONTROL */ + rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(read_keyboard_state()), 0); + + if (g_use_rdp5) + { + rdp_enum_bmpcache2(); + rdp_send_fonts(3); + } + else + { + rdp_send_fonts(1); + rdp_send_fonts(2); + } + + rdp_recv(&type); /* RDP_PDU_UNKNOWN 0x28 (Fonts?) */ reset_order_state(); } +/* Process a colour pointer PDU */ +void +process_colour_pointer_pdu(STREAM s) +{ + uint16 x, y, width, height, cache_idx, masklen, datalen; + uint8 *mask, *data; + HCURSOR cursor; + + in_uint16_le(s, cache_idx); + in_uint16_le(s, x); + in_uint16_le(s, y); + in_uint16_le(s, width); + in_uint16_le(s, height); + in_uint16_le(s, masklen); + in_uint16_le(s, datalen); + in_uint8p(s, data, datalen); + in_uint8p(s, mask, masklen); + cursor = ui_create_cursor(x, y, width, height, mask, data); + ui_set_cursor(cursor); + cache_put_cursor(cache_idx, cursor); +} + +/* Process a cached pointer PDU */ +void +process_cached_pointer_pdu(STREAM s) +{ + uint16 cache_idx; + + in_uint16_le(s, cache_idx); + ui_set_cursor(cache_get_cursor(cache_idx)); +} + +/* Process a system pointer PDU */ +void +process_system_pointer_pdu(STREAM s) +{ + uint16 system_pointer_type; + + in_uint16(s, system_pointer_type); + switch (system_pointer_type) + { + case RDP_NULL_POINTER: + ui_set_null_cursor(); + break; + + default: + unimpl("System pointer message 0x%x\n", system_pointer_type); + } +} + /* Process a pointer PDU */ -static void process_pointer_pdu(STREAM s) +static void +process_pointer_pdu(STREAM s) { uint16 message_type; uint16 x, y; in_uint16_le(s, message_type); - in_uint8s(s, 2); /* pad */ + in_uint8s(s, 2); /* pad */ switch (message_type) { @@ -465,18 +1007,31 @@ ui_move_pointer(x, y); break; + case RDP_POINTER_COLOR: + process_colour_pointer_pdu(s); + break; + + case RDP_POINTER_CACHED: + process_cached_pointer_pdu(s); + break; + + case RDP_POINTER_SYSTEM: + process_system_pointer_pdu(s); + break; + default: - DEBUG("Pointer message 0x%x\n", message_type); + unimpl("Pointer message 0x%x\n", message_type); } } /* Process bitmap updates */ -static void process_bitmap_updates(STREAM s) +void +process_bitmap_updates(STREAM s) { uint16 num_updates; uint16 left, top, right, bottom, width, height; - uint16 cx, cy, bpp, compress, bufsize, size; - uint8 *data, *rawdata; + uint16 cx, cy, bpp, Bpp, compress, bufsize, size; + uint8 *data, *bmpdata; int i; in_uint16_le(s, num_updates); @@ -490,64 +1045,103 @@ in_uint16_le(s, width); in_uint16_le(s, height); in_uint16_le(s, bpp); + Bpp = (bpp + 7) / 8; in_uint16_le(s, compress); in_uint16_le(s, bufsize); cx = right - left + 1; cy = bottom - top + 1; - DEBUG("UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,cmp=%d)\n", - left, top, right, bottom, width, height, compress); + DEBUG(("BITMAP_UPDATE(l=%d,t=%d,r=%d,b=%d,w=%d,h=%d,Bpp=%d,cmp=%d)\n", + left, top, right, bottom, width, height, Bpp, compress)); if (!compress) { - in_uint8p(s, data, bufsize); - ui_paint_bitmap(left, top, cx, cy, width, height, data); - return; + int y; + bmpdata = (uint8 *) xmalloc(width * height * Bpp); + for (y = 0; y < height; y++) + { + in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)], + width * Bpp); + } + ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); + xfree(bmpdata); + continue; } - in_uint8s(s, 2); /* pad */ - in_uint16_le(s, size); - in_uint8s(s, 4); /* line_size, final_size */ - in_uint8p(s, data, size); - rawdata = xmalloc(width * height); - if (bitmap_decompress(rawdata, width, height, data, size)) + if (compress & 0x400) + { + size = bufsize; + } + else + { + in_uint8s(s, 2); /* pad */ + in_uint16_le(s, size); + in_uint8s(s, 4); /* line_size, final_size */ + } + in_uint8p(s, data, size); + bmpdata = (uint8 *) xmalloc(width * height * Bpp); + if (bitmap_decompress(bmpdata, width, height, data, size, Bpp)) { - ui_paint_bitmap(left, top, cx, cy, width, height, - rawdata); + ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata); + } + else + { + DEBUG_RDP5(("Failed to decompress data\n")); } - xfree(rawdata); + xfree(bmpdata); } } /* Process a palette update */ -static void process_palette(STREAM s) +void +process_palette(STREAM s) { - HCOLOURMAP hmap; + COLOURENTRY *entry; COLOURMAP map; + HCOLOURMAP hmap; + int i; + + in_uint8s(s, 2); /* pad */ + in_uint16_le(s, map.ncolours); + in_uint8s(s, 2); /* pad */ + + map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours); - in_uint8s(s, 2); /* pad */ - in_uint16_le(s, map.ncolours); - in_uint8s(s, 2); /* pad */ - in_uint8p(s, (uint8 *)map.colours, (map.ncolours * 3)); + DEBUG(("PALETTE(c=%d)\n", map.ncolours)); + + for (i = 0; i < map.ncolours; i++) + { + entry = &map.colours[i]; + in_uint8(s, entry->red); + in_uint8(s, entry->green); + in_uint8(s, entry->blue); + } hmap = ui_create_colourmap(&map); ui_set_colourmap(hmap); + + xfree(map.colours); } /* Process an update PDU */ -static void process_update_pdu(STREAM s) +static void +process_update_pdu(STREAM s) { - uint16 update_type; + uint16 update_type, count; in_uint16_le(s, update_type); + ui_begin_update(); switch (update_type) { case RDP_UPDATE_ORDERS: - process_orders(s); + in_uint8s(s, 2); /* pad */ + in_uint16_le(s, count); + in_uint8s(s, 2); /* pad */ + process_orders(s, count); break; case RDP_UPDATE_BITMAP: @@ -562,19 +1156,61 @@ break; default: - NOTIMP("update %d\n", update_type); + unimpl("update %d\n", update_type); } + ui_end_update(); +} + +/* Process a disconnect PDU */ +void +process_disconnect_pdu(STREAM s, uint32 * ext_disc_reason) +{ + in_uint32_le(s, *ext_disc_reason); + DEBUG(("Received disconnect PDU\n")); } /* Process data PDU */ -static void process_data_pdu(STREAM s) +static BOOL +process_data_pdu(STREAM s, uint32 * ext_disc_reason) { uint8 data_pdu_type; + uint8 ctype; + uint16 clen; + uint32 len; - in_uint8s(s, 8); /* shareid, pad, streamid, length */ + uint32 roff, rlen; + + struct stream *ns = &(g_mppc_dict.ns); + + in_uint8s(s, 6); /* shareid, pad, streamid */ + in_uint16(s, len); in_uint8(s, data_pdu_type); - in_uint8s(s, 3); /* compress_type, compress_len */ + in_uint8(s, ctype); + in_uint16(s, clen); + clen -= 18; + + if (ctype & RDP_MPPC_COMPRESSED) + { + if (len > RDP_MPPC_DICT_SIZE) + error("error decompressed packet size exceeds max\n"); + if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) + error("error while decompressing packet\n"); + + //len -= 18; + + /* allocate memory and copy the uncompressed data into the temporary stream */ + ns->data = (uint8 *) xrealloc(ns->data, rlen); + + memcpy((ns->data), (unsigned char *) (g_mppc_dict.hist + roff), rlen); + + ns->size = rlen; + ns->end = (ns->data + ns->size); + ns->p = ns->data; + ns->rdp_hdr = ns->p; + + s = ns; + } switch (data_pdu_type) { @@ -582,6 +1218,14 @@ process_update_pdu(s); break; + case RDP_DATA_PDU_CONTROL: + DEBUG(("Received Control PDU\n")); + break; + + case RDP_DATA_PDU_SYNCHRONISE: + DEBUG(("Received Sync PDU\n")); + break; + case RDP_DATA_PDU_POINTER: process_pointer_pdu(s); break; @@ -591,56 +1235,83 @@ break; case RDP_DATA_PDU_LOGON: + DEBUG(("Received Logon PDU\n")); /* User logged on */ break; + case RDP_DATA_PDU_DISCONNECT: + process_disconnect_pdu(s, ext_disc_reason); + return True; + default: - NOTIMP("data PDU %d\n", data_pdu_type); + unimpl("data PDU %d\n", data_pdu_type); } + return False; } /* Process incoming packets */ -void rdp_main_loop() +/* nevers gets out of here till app is done */ +void +rdp_main_loop(BOOL * deactivated, uint32 * ext_disc_reason) +{ + while (rdp_loop(deactivated, ext_disc_reason)) + ; +} + +/* used in uiports and rdp_main_loop, processes the rdp packets waiting */ +BOOL +rdp_loop(BOOL * deactivated, uint32 * ext_disc_reason) { uint8 type; + BOOL disc = False; /* True when a disconnect PDU was received */ + BOOL cont = True; STREAM s; - while ((s = rdp_recv(&type)) != NULL) + while (cont) { + s = rdp_recv(&type); + if (s == NULL) + return False; switch (type) { case RDP_PDU_DEMAND_ACTIVE: process_demand_active(s); + *deactivated = False; break; - case RDP_PDU_DEACTIVATE: + DEBUG(("RDP_PDU_DEACTIVATE\n")); + *deactivated = True; break; - case RDP_PDU_DATA: - process_data_pdu(s); + disc = process_data_pdu(s, ext_disc_reason); + break; + case 0: break; - default: - NOTIMP("PDU %d\n", type); + unimpl("PDU %d\n", type); } + if (disc) + return False; + cont = g_next_packet < s->end; } + return True; } /* Establish a connection up to the RDP layer */ -BOOL rdp_connect(char *server, uint32 flags, char *domain, char *password, - char *command, char *directory) +BOOL +rdp_connect(char *server, uint32 flags, char *domain, char *password, + char *command, char *directory) { - if (!sec_connect(server)) + if (!sec_connect(server, g_username)) return False; - rdp_send_logon_info(flags, domain, username, password, - command, directory); + rdp_send_logon_info(flags, domain, g_username, password, command, directory); return True; } /* Disconnect from the RDP layer */ -void rdp_disconnect() +void +rdp_disconnect(void) { sec_disconnect(); } -