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/* -*- c-basic-offset: 8 -*- |
/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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Protocol services - RDP layer |
Protocol services - RDP layer |
4 |
Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2005 |
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This program is free software; you can redistribute it and/or modify |
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 |
it under the terms of the GNU General Public License as published by |
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*/ |
*/ |
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#include <time.h> |
#include <time.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include "rdesktop.h" |
#include "rdesktop.h" |
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#ifdef HAVE_ICONV |
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#ifdef HAVE_ICONV_H |
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#include <iconv.h> |
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#endif |
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#ifndef ICONV_CONST |
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#define ICONV_CONST "" |
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#endif |
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#endif |
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extern uint16 g_mcs_userid; |
extern uint16 g_mcs_userid; |
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extern char g_username[16]; |
extern char g_username[64]; |
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extern char g_codepage[16]; |
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extern BOOL g_bitmap_compression; |
extern BOOL g_bitmap_compression; |
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extern BOOL g_orders; |
extern BOOL g_orders; |
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extern BOOL g_encryption; |
extern BOOL g_encryption; |
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extern BOOL g_desktop_save; |
extern BOOL g_desktop_save; |
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extern BOOL g_polygon_ellipse_orders; |
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extern BOOL g_use_rdp5; |
extern BOOL g_use_rdp5; |
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extern uint16 g_server_rdp_version; |
extern uint16 g_server_rdp_version; |
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extern uint32 g_rdp5_performanceflags; |
extern uint32 g_rdp5_performanceflags; |
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static uint32 g_packetno; |
static uint32 g_packetno; |
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#endif |
#endif |
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#ifdef HAVE_ICONV |
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static BOOL g_iconv_works = True; |
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#endif |
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/* Receive an RDP packet */ |
/* Receive an RDP packet */ |
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static STREAM |
static STREAM |
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rdp_recv(uint8 * type) |
rdp_recv(uint8 * type) |
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rdp_s = sec_recv(&rdpver); |
rdp_s = sec_recv(&rdpver); |
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if (rdp_s == NULL) |
if (rdp_s == NULL) |
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return NULL; |
return NULL; |
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if (rdpver != 3) |
if (rdpver == 0xff) |
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{ |
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g_next_packet = rdp_s->end; |
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*type = 0; |
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return rdp_s; |
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} |
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else if (rdpver != 3) |
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{ |
{ |
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/* rdp5_process should move g_next_packet ok */ |
/* rdp5_process should move g_next_packet ok */ |
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rdp5_process(rdp_s); |
rdp5_process(rdp_s); |
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void |
void |
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rdp_out_unistr(STREAM s, char *string, int len) |
rdp_out_unistr(STREAM s, char *string, int len) |
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{ |
{ |
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int i = 0, j = 0; |
#ifdef HAVE_ICONV |
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size_t ibl = strlen(string), obl = len + 2; |
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static iconv_t iconv_h = (iconv_t) - 1; |
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char *pin = string, *pout = (char *) s->p; |
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len += 2; |
memset(pout, 0, len + 4); |
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|
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while (i < len) |
if (g_iconv_works) |
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{ |
{ |
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s->p[i++] = string[j++]; |
if (iconv_h == (iconv_t) - 1) |
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s->p[i++] = 0; |
{ |
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size_t i = 1, o = 4; |
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if ((iconv_h = iconv_open(WINDOWS_CODEPAGE, g_codepage)) == (iconv_t) - 1) |
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{ |
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warning("rdp_out_unistr: iconv_open[%s -> %s] fail %d\n", |
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g_codepage, WINDOWS_CODEPAGE, (int) iconv_h); |
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g_iconv_works = False; |
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rdp_out_unistr(s, string, len); |
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return; |
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} |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &i, &pout, &o) == |
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(size_t) - 1) |
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{ |
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iconv_close(iconv_h); |
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iconv_h = (iconv_t) - 1; |
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warning("rdp_out_unistr: iconv(1) fail, errno %d\n", errno); |
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g_iconv_works = False; |
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rdp_out_unistr(s, string, len); |
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return; |
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} |
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pin = string; |
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pout = (char *) s->p; |
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} |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
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{ |
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iconv_close(iconv_h); |
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iconv_h = (iconv_t) - 1; |
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warning("rdp_out_unistr: iconv(2) fail, errno %d\n", errno); |
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g_iconv_works = False; |
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rdp_out_unistr(s, string, len); |
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return; |
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} |
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s->p += len + 2; |
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} |
} |
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else |
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#endif |
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{ |
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int i = 0, j = 0; |
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len += 2; |
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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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s->p += len; |
s->p += len; |
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} |
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} |
} |
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/* Input a string in Unicode |
/* Input a string in Unicode |
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int |
int |
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rdp_in_unistr(STREAM s, char *string, int uni_len) |
rdp_in_unistr(STREAM s, char *string, int uni_len) |
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{ |
{ |
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int i = 0; |
#ifdef HAVE_ICONV |
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size_t ibl = uni_len, obl = uni_len; |
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char *pin = (char *) s->p, *pout = string; |
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static iconv_t iconv_h = (iconv_t) - 1; |
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while (i < uni_len / 2) |
if (g_iconv_works) |
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{ |
{ |
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in_uint8a(s, &string[i++], 1); |
if (iconv_h == (iconv_t) - 1) |
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in_uint8s(s, 1); |
{ |
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if ((iconv_h = iconv_open(g_codepage, WINDOWS_CODEPAGE)) == (iconv_t) - 1) |
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{ |
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warning("rdp_in_unistr: iconv_open[%s -> %s] fail %d\n", |
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WINDOWS_CODEPAGE, g_codepage, (int) iconv_h); |
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g_iconv_works = False; |
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return rdp_in_unistr(s, string, uni_len); |
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} |
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} |
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if (iconv(iconv_h, (ICONV_CONST char **) &pin, &ibl, &pout, &obl) == (size_t) - 1) |
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{ |
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iconv_close(iconv_h); |
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iconv_h = (iconv_t) - 1; |
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warning("rdp_in_unistr: iconv fail, errno %d\n", errno); |
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g_iconv_works = False; |
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return rdp_in_unistr(s, string, uni_len); |
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} |
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return pout - string; |
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} |
} |
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else |
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#endif |
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{ |
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int i = 0; |
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while (i < uni_len / 2) |
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{ |
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in_uint8a(s, &string[i++], 1); |
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in_uint8s(s, 1); |
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} |
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return i - 1; |
return i - 1; |
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} |
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} |
} |
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time_t t = time(NULL); |
time_t t = time(NULL); |
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time_t tzone; |
time_t tzone; |
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#if 0 |
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/* enable rdp compression */ |
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/* some problems still exist with rdp5 */ |
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flags |= RDP_COMPRESSION; |
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#endif |
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if (!g_use_rdp5 || 1 == g_server_rdp_version) |
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")); |
DEBUG_RDP5(("Sending RDP4-style Logon packet\n")); |
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rdp_send_data(s, RDP_DATA_PDU_INPUT); |
rdp_send_data(s, RDP_DATA_PDU_INPUT); |
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} |
} |
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/* Inform the server on the contents of the persistent bitmap cache */ |
/* Send a client window information PDU */ |
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void |
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rdp_send_client_window_status(int status) |
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{ |
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STREAM s; |
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static int current_status = 1; |
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if (current_status == status) |
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return; |
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s = rdp_init_data(12); |
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out_uint32_le(s, status); |
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switch (status) |
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{ |
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case 0: /* shut the server up */ |
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break; |
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case 1: /* receive data again */ |
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out_uint32_le(s, 0); /* unknown */ |
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out_uint16_le(s, g_width); |
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out_uint16_le(s, g_height); |
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break; |
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} |
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s_mark_end(s); |
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rdp_send_data(s, RDP_DATA_PDU_CLIENT_WINDOW_STATUS); |
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current_status = status; |
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} |
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/* Send persistent bitmap cache enumeration PDU's */ |
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static void |
static void |
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rdp_enum_bmpcache2(void) |
rdp_enum_bmpcache2(void) |
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{ |
{ |
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STREAM s; |
STREAM s; |
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uint8 idlist[BMPCACHE2_NUM_PSTCELLS * sizeof(BITMAP_ID)]; |
HASH_KEY keylist[BMPCACHE2_NUM_PSTCELLS]; |
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uint32 nids, offset, count, flags; |
uint32 num_keys, offset, count, flags; |
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|
|
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offset = 0; |
offset = 0; |
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nids = pstcache_enumerate(2, idlist); |
num_keys = pstcache_enumerate(2, keylist); |
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|
|
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while (offset < nids) |
while (offset < num_keys) |
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{ |
{ |
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count = MIN(nids - offset, 169); |
count = MIN(num_keys - offset, 169); |
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s = rdp_init_data(24 + count * sizeof(BITMAP_ID)); |
s = rdp_init_data(24 + count * sizeof(HASH_KEY)); |
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flags = 0; |
flags = 0; |
533 |
if (offset == 0) |
if (offset == 0) |
534 |
flags |= PDU_FLAG_FIRST; |
flags |= PDU_FLAG_FIRST; |
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if (nids - offset <= 169) |
if (num_keys - offset <= 169) |
536 |
flags |= PDU_FLAG_LAST; |
flags |= PDU_FLAG_LAST; |
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|
|
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/* header */ |
/* header */ |
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out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
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out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
544 |
out_uint16_le(s, 0); |
out_uint16_le(s, 0); |
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out_uint16_le(s, nids); |
out_uint16_le(s, num_keys); |
546 |
out_uint32_le(s, 0); |
out_uint32_le(s, 0); |
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out_uint32_le(s, flags); |
out_uint32_le(s, flags); |
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|
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/* list */ |
/* list */ |
550 |
out_uint8a(s, idlist + offset * sizeof(BITMAP_ID), count * sizeof(BITMAP_ID)); |
out_uint8a(s, keylist[offset], count * sizeof(HASH_KEY)); |
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|
|
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s_mark_end(s); |
s_mark_end(s); |
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rdp_send_data(s, 0x2b); |
rdp_send_data(s, 0x2b); |
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{ |
{ |
627 |
uint8 order_caps[32]; |
uint8 order_caps[32]; |
628 |
|
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|
629 |
memset(order_caps, 0, 32); |
memset(order_caps, 0, 32); |
630 |
order_caps[0] = 1; /* dest blt */ |
order_caps[0] = 1; /* dest blt */ |
631 |
order_caps[1] = 1; /* pat blt */ |
order_caps[1] = 1; /* pat blt */ |
632 |
order_caps[2] = 1; /* screen blt */ |
order_caps[2] = 1; /* screen blt */ |
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order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
order_caps[3] = (g_bitmap_cache ? 1 : 0); /* memblt */ |
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order_caps[4] = 0; /* triblt */ |
635 |
order_caps[8] = 1; /* line */ |
order_caps[8] = 1; /* line */ |
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order_caps[9] = 1; /* line */ |
order_caps[9] = 1; /* line */ |
637 |
order_caps[10] = 1; /* rect */ |
order_caps[10] = 1; /* rect */ |
638 |
order_caps[11] = (g_desktop_save == False ? 0 : 1); /* desksave */ |
order_caps[11] = (g_desktop_save ? 1 : 0); /* desksave */ |
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order_caps[13] = 1; /* memblt */ |
order_caps[13] = 1; /* memblt */ |
640 |
order_caps[14] = 1; /* triblt */ |
order_caps[14] = 1; /* triblt */ |
641 |
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order_caps[20] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon */ |
642 |
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order_caps[21] = (g_polygon_ellipse_orders ? 1 : 0); /* polygon2 */ |
643 |
order_caps[22] = 1; /* polyline */ |
order_caps[22] = 1; /* polyline */ |
644 |
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order_caps[25] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse */ |
645 |
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order_caps[26] = (g_polygon_ellipse_orders ? 1 : 0); /* ellipse2 */ |
646 |
order_caps[27] = 1; /* text2 */ |
order_caps[27] = 1; /* text2 */ |
647 |
out_uint16_le(s, RDP_CAPSET_ORDER); |
out_uint16_le(s, RDP_CAPSET_ORDER); |
648 |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
out_uint16_le(s, RDP_CAPLEN_ORDER); |
689 |
|
|
690 |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
out_uint16_le(s, g_bitmap_cache_persist_enable ? 2 : 0); /* version */ |
691 |
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|
692 |
out_uint16_le(s, 0x0300); /* flags? number of caches? */ |
out_uint16_be(s, 3); /* number of caches in this set */ |
693 |
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|
694 |
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/* max cell size for cache 0 is 16x16, 1 = 32x32, 2 = 64x64, etc */ |
695 |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
out_uint32_le(s, BMPCACHE2_C0_CELLS); |
696 |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
out_uint32_le(s, BMPCACHE2_C1_CELLS); |
697 |
if (pstcache_init(2)) |
if (pstcache_init(2)) |
1227 |
|
|
1228 |
if (ctype & RDP_MPPC_COMPRESSED) |
if (ctype & RDP_MPPC_COMPRESSED) |
1229 |
{ |
{ |
1230 |
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if (len > RDP_MPPC_DICT_SIZE) |
1231 |
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error("error decompressed packet size exceeds max\n"); |
1232 |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
if (mppc_expand(s->p, clen, ctype, &roff, &rlen) == -1) |
1233 |
error("error while decompressing packet\n"); |
error("error while decompressing packet\n"); |
1234 |
|
|
1235 |
//len -= 18; |
/* len -= 18; */ |
1236 |
|
|
1237 |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
/* allocate memory and copy the uncompressed data into the temporary stream */ |
1238 |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |
ns->data = (uint8 *) xrealloc(ns->data, rlen); |