581 lines
18 KiB
C
581 lines
18 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2014
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* libxrdp header
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*/
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#if !defined(LIBXRDP_H)
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#define LIBXRDP_H
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#if defined(HAVE_CONFIG_H)
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#include "config_ac.h"
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#endif
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#include "arch.h"
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#include "parse.h"
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#include "trans.h"
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#include "xrdp_constants.h"
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#include "defines.h"
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#include "os_calls.h"
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#include "ssl_calls.h"
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#include "list.h"
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#include "file.h"
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#include "libxrdpinc.h"
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#include "file_loc.h"
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#include "xrdp_client_info.h"
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/* iso */
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struct xrdp_iso
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{
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struct xrdp_mcs *mcs_layer; /* owner */
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int rdpNegData; /* bool */
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int requestedProtocol;
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int selectedProtocol;
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int failureCode;
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struct trans *trans;
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};
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/* used in mcs */
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struct mcs_channel_item
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{
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char name[16];
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int flags;
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int chanid;
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};
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/* mcs */
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struct xrdp_mcs
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{
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struct xrdp_sec *sec_layer; /* owner */
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struct xrdp_iso *iso_layer;
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int userid;
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int chanid;
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struct stream *client_mcs_data;
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struct stream *server_mcs_data;
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struct list *channel_list;
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};
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/* fastpath */
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struct xrdp_fastpath
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{
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struct xrdp_sec *sec_layer; /* owner */
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struct trans *trans;
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struct xrdp_session *session;
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int numEvents;
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int secFlags;
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};
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/* Encryption Methods */
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#define CRYPT_METHOD_NONE 0x00000000
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#define CRYPT_METHOD_40BIT 0x00000001
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#define CRYPT_METHOD_128BIT 0x00000002
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#define CRYPT_METHOD_56BIT 0x00000008
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#define CRYPT_METHOD_FIPS 0x00000010
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/* Encryption Levels */
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#define CRYPT_LEVEL_NONE 0x00000000
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#define CRYPT_LEVEL_LOW 0x00000001
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#define CRYPT_LEVEL_CLIENT_COMPATIBLE 0x00000002
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#define CRYPT_LEVEL_HIGH 0x00000003
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#define CRYPT_LEVEL_FIPS 0x00000004
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/* sec */
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struct xrdp_sec
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{
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struct xrdp_rdp *rdp_layer; /* owner */
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struct xrdp_mcs *mcs_layer;
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struct xrdp_fastpath *fastpath_layer;
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struct xrdp_channel *chan_layer;
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char server_random[32];
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char client_random[256];
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char client_crypt_random[256 + 8]; /* 64 + 8, 256 + 8 */
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struct stream client_mcs_data;
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struct stream server_mcs_data;
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int decrypt_use_count;
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int encrypt_use_count;
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char decrypt_key[16];
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char encrypt_key[16];
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char decrypt_update_key[16];
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char encrypt_update_key[16];
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int crypt_method;
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int rc4_key_len; /* 8 = 40 bit, 16 = 128 bit */
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int crypt_level;
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char sign_key[16];
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void *decrypt_rc4_info;
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void *encrypt_rc4_info;
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char pub_exp[4];
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char pub_mod[256];
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char pub_sig[64];
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char pri_exp[256];
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int rsa_key_bytes; /* 64 or 256 , 0 = no rdp security */
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char fips_encrypt_key[24];
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char fips_decrypt_key[24];
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char fips_sign_key[20];
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void *encrypt_fips_info;
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void *decrypt_fips_info;
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void *sign_fips_info;
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int is_security_header_present; /* boolean */
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};
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/* channel */
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struct xrdp_channel
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{
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struct xrdp_sec *sec_layer;
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struct xrdp_mcs *mcs_layer;
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};
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/* rdp */
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struct xrdp_rdp
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{
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struct xrdp_session *session;
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struct xrdp_sec *sec_layer;
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int share_id;
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int mcs_channel;
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struct xrdp_client_info client_info;
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struct xrdp_mppc_enc *mppc_enc;
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void *rfx_enc;
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};
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/* state */
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struct xrdp_orders_state
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{
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int last_order; /* last order sent */
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int clip_left; /* RDP_ORDER_BOUNDS, RDP_ORDER_LASTBOUNDS */
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int clip_top;
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int clip_right;
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int clip_bottom;
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int rect_x; /* RDP_ORDER_RECT */
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int rect_y;
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int rect_cx;
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int rect_cy;
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int rect_color;
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int scr_blt_x; /* RDP_ORDER_SCREENBLT */
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int scr_blt_y;
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int scr_blt_cx;
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int scr_blt_cy;
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int scr_blt_rop;
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int scr_blt_srcx;
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int scr_blt_srcy;
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int pat_blt_x; /* RDP_ORDER_PATBLT */
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int pat_blt_y;
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int pat_blt_cx;
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int pat_blt_cy;
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int pat_blt_rop;
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int pat_blt_bg_color;
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int pat_blt_fg_color;
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struct xrdp_brush pat_blt_brush;
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int dest_blt_x; /* RDP_ORDER_DESTBLT */
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int dest_blt_y;
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int dest_blt_cx;
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int dest_blt_cy;
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int dest_blt_rop;
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int line_mix_mode; /* RDP_ORDER_LINE */
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int line_startx;
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int line_starty;
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int line_endx;
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int line_endy;
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int line_bg_color;
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int line_rop;
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struct xrdp_pen line_pen;
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int mem_blt_color_table; /* RDP_ORDER_MEMBLT */
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int mem_blt_cache_id;
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int mem_blt_x;
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int mem_blt_y;
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int mem_blt_cx;
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int mem_blt_cy;
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int mem_blt_rop;
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int mem_blt_srcx;
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int mem_blt_srcy;
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int mem_blt_cache_idx;
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int text_font; /* RDP_ORDER_TEXT2 */
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int text_flags;
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int text_unknown;
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int text_mixmode;
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int text_fg_color;
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int text_bg_color;
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int text_clip_left;
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int text_clip_top;
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int text_clip_right;
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int text_clip_bottom;
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int text_box_left;
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int text_box_top;
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int text_box_right;
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int text_box_bottom;
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int text_x;
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int text_y;
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int text_len;
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char *text_data;
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int com_blt_srcidx; /* RDP_ORDER_COMPOSITE */ /* 2 */
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int com_blt_srcformat; /* 2 */
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int com_blt_srcwidth; /* 2 */
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int com_blt_srcrepeat; /* 1 */
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int com_blt_srctransform[10]; /* 40 */
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int com_blt_mskflags; /* 1 */
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int com_blt_mskidx; /* 2 */
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int com_blt_mskformat; /* 2 */
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int com_blt_mskwidth; /* 2 */
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int com_blt_mskrepeat; /* 1 */
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int com_blt_op; /* 1 */
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int com_blt_srcx; /* 2 */
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int com_blt_srcy; /* 2 */
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int com_blt_mskx; /* 2 */
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int com_blt_msky; /* 2 */
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int com_blt_dstx; /* 2 */
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int com_blt_dsty; /* 2 */
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int com_blt_width; /* 2 */
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int com_blt_height; /* 2 */
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int com_blt_dstformat; /* 2 */
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};
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/* orders */
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struct xrdp_orders
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{
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struct stream *out_s;
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struct xrdp_rdp *rdp_layer;
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struct xrdp_session *session;
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struct xrdp_wm *wm;
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char *order_count_ptr; /* pointer to count, set when sending */
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int order_count;
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int order_level; /* inc for every call to xrdp_orders_init */
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struct xrdp_orders_state orders_state;
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void *jpeg_han;
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int rfx_min_pixel;
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/* shared */
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struct stream *s;
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struct stream *temp_s;
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};
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#define PROTO_RDP_40 1
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#define PROTO_RDP_50 2
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struct xrdp_mppc_enc
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{
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int protocol_type; /* PROTO_RDP_40, PROTO_RDP_50 etc */
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char *historyBuffer; /* contains uncompressed data */
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char *outputBuffer; /* contains compressed data */
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char *outputBufferPlus;
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int historyOffset; /* next free slot in historyBuffer */
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int buf_len; /* length of historyBuffer, protocol dependent */
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int bytes_in_opb; /* compressed bytes available in outputBuffer */
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int flags; /* PACKET_COMPRESSED, PACKET_AT_FRONT, PACKET_FLUSHED etc */
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int flagsHold;
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int first_pkt; /* this is the first pkt passing through enc */
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tui16 *hash_table;
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};
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int APP_CC
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compress_rdp(struct xrdp_mppc_enc *enc, tui8 *srcData, int len);
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struct xrdp_mppc_enc * APP_CC
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mppc_enc_new(int protocol_type);
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void APP_CC
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mppc_enc_free(struct xrdp_mppc_enc *enc);
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/* xrdp_tcp.c */
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struct xrdp_tcp * APP_CC
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xrdp_tcp_create(struct xrdp_iso *owner, struct trans *trans);
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void APP_CC
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xrdp_tcp_delete(struct xrdp_tcp *self);
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int APP_CC
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xrdp_tcp_init(struct xrdp_tcp *self, struct stream *s);
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int APP_CC
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xrdp_tcp_recv(struct xrdp_tcp *self, struct stream *s, int len);
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int APP_CC
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xrdp_tcp_send(struct xrdp_tcp *self, struct stream *s);
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/* xrdp_iso.c */
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struct xrdp_iso * APP_CC
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xrdp_iso_create(struct xrdp_mcs *owner, struct trans *trans);
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void APP_CC
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xrdp_iso_delete(struct xrdp_iso *self);
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int APP_CC
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xrdp_iso_init(struct xrdp_iso *self, struct stream *s);
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int APP_CC
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xrdp_iso_recv(struct xrdp_iso *self, struct stream *s);
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int APP_CC
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xrdp_iso_send(struct xrdp_iso *self, struct stream *s);
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int APP_CC
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xrdp_iso_incoming(struct xrdp_iso *self);
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int APP_CC
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xrdp_iso_detect_tpkt(struct xrdp_iso *self, struct stream *s);
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/* xrdp_mcs.c */
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struct xrdp_mcs * APP_CC
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xrdp_mcs_create(struct xrdp_sec *owner, struct trans *trans,
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struct stream *client_mcs_data,
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struct stream *server_mcs_data);
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void APP_CC
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xrdp_mcs_delete(struct xrdp_mcs *self);
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int APP_CC
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xrdp_mcs_init(struct xrdp_mcs *self, struct stream *s);
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int APP_CC
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xrdp_mcs_recv(struct xrdp_mcs *self, struct stream *s, int *chan);
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int APP_CC
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xrdp_mcs_send(struct xrdp_mcs *self, struct stream *s, int chan);
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int APP_CC
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xrdp_mcs_incoming(struct xrdp_mcs *self);
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int APP_CC
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xrdp_mcs_disconnect(struct xrdp_mcs *self);
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/* xrdp_sec.c */
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struct xrdp_sec *APP_CC
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xrdp_sec_create(struct xrdp_rdp *owner, struct trans *trans);
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void APP_CC
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xrdp_sec_delete(struct xrdp_sec *self);
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int APP_CC
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xrdp_sec_init(struct xrdp_sec *self, struct stream *s);
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int APP_CC
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xrdp_sec_get_fastpath_bytes(struct xrdp_sec *self);
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int APP_CC
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xrdp_sec_init_fastpath(struct xrdp_sec *self, struct stream *s);
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int APP_CC
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xrdp_sec_send_fastpath(struct xrdp_sec *self, struct stream *s);
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int APP_CC
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xrdp_sec_recv_fastpath(struct xrdp_sec *self, struct stream *s);
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int APP_CC
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xrdp_sec_recv(struct xrdp_sec *self, struct stream *s, int *chan);
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int APP_CC
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xrdp_sec_send(struct xrdp_sec *self, struct stream *s, int chan);
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int APP_CC
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xrdp_sec_process_mcs_data(struct xrdp_sec *self);
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int APP_CC
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xrdp_sec_incoming(struct xrdp_sec *self);
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int APP_CC
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xrdp_sec_disconnect(struct xrdp_sec *self);
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/* xrdp_rdp.c */
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struct xrdp_rdp * APP_CC
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xrdp_rdp_create(struct xrdp_session *session, struct trans *trans);
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void APP_CC
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xrdp_rdp_delete(struct xrdp_rdp *self);
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int APP_CC
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xrdp_rdp_init(struct xrdp_rdp *self, struct stream *s);
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int APP_CC
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xrdp_rdp_init_data(struct xrdp_rdp *self, struct stream *s);
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int APP_CC
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xrdp_rdp_get_fastpath_bytes(struct xrdp_rdp *self);
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int APP_CC
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xrdp_rdp_init_fastpath(struct xrdp_rdp *self, struct stream *s);
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int APP_CC
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xrdp_rdp_recv(struct xrdp_rdp *self, struct stream *s, int *code);
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int APP_CC
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xrdp_rdp_send(struct xrdp_rdp *self, struct stream *s, int pdu_type);
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int APP_CC
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xrdp_rdp_send_data(struct xrdp_rdp *self, struct stream *s,
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int data_pdu_type);
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int APP_CC
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xrdp_rdp_send_fastpath(struct xrdp_rdp *self, struct stream *s,
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int data_pdu_type);
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int APP_CC
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xrdp_rdp_send_data_update_sync(struct xrdp_rdp *self);
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int APP_CC
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xrdp_rdp_incoming(struct xrdp_rdp *self);
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int APP_CC
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xrdp_rdp_process_data(struct xrdp_rdp *self, struct stream *s);
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int APP_CC
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xrdp_rdp_disconnect(struct xrdp_rdp *self);
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int APP_CC
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xrdp_rdp_send_deactivate(struct xrdp_rdp *self);
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int APP_CC
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xrdp_rdp_send_session_info(struct xrdp_rdp *self, const char *data,
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int data_bytes);
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/* xrdp_orders.c */
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struct xrdp_orders * APP_CC
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xrdp_orders_create(struct xrdp_session *session,
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struct xrdp_rdp *rdp_layer);
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void APP_CC
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xrdp_orders_delete(struct xrdp_orders *self);
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int APP_CC
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xrdp_orders_reset(struct xrdp_orders *self);
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int APP_CC
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xrdp_orders_init(struct xrdp_orders *self);
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int APP_CC
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xrdp_orders_send(struct xrdp_orders *self);
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int APP_CC
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xrdp_orders_force_send(struct xrdp_orders *self);
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int APP_CC
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xrdp_orders_check(struct xrdp_orders *self, int max_size);
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int APP_CC
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xrdp_orders_rect(struct xrdp_orders *self, int x, int y, int cx, int cy,
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int color, struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_screen_blt(struct xrdp_orders *self, int x, int y,
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int cx, int cy, int srcx, int srcy,
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int rop, struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_pat_blt(struct xrdp_orders *self, int x, int y,
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int cx, int cy, int rop, int bg_color,
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int fg_color, struct xrdp_brush *brush,
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struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_dest_blt(struct xrdp_orders *self, int x, int y,
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int cx, int cy, int rop,
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struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_line(struct xrdp_orders *self, int mix_mode,
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int startx, int starty,
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int endx, int endy, int rop, int bg_color,
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struct xrdp_pen *pen,
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struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_mem_blt(struct xrdp_orders *self, int cache_id,
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int color_table, int x, int y, int cx, int cy,
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int rop, int srcx, int srcy,
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int cache_idx, struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_composite_blt(struct xrdp_orders *self, int srcidx,
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int srcformat, int srcwidth,
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int srcrepeat, int *srctransform, int mskflags,
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int mskidx, int mskformat, int mskwidth,
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int mskrepeat, int op, int srcx, int srcy,
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int mskx, int msky, int dstx, int dsty,
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int width, int height, int dstformat,
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struct xrdp_rect *rect);
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int APP_CC
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xrdp_orders_text(struct xrdp_orders *self,
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int font, int flags, int mixmode,
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int fg_color, int bg_color,
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int clip_left, int clip_top,
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int clip_right, int clip_bottom,
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int box_left, int box_top,
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int box_right, int box_bottom,
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int x, int y, char *data, int data_len,
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struct xrdp_rect *rect);
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int APP_CC
|
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xrdp_orders_send_palette(struct xrdp_orders *self, int *palette,
|
|
int cache_id);
|
|
int APP_CC
|
|
xrdp_orders_send_raw_bitmap(struct xrdp_orders *self,
|
|
int width, int height, int bpp, char *data,
|
|
int cache_id, int cache_idx);
|
|
int APP_CC
|
|
xrdp_orders_send_bitmap(struct xrdp_orders *self,
|
|
int width, int height, int bpp, char *data,
|
|
int cache_id, int cache_idx);
|
|
int APP_CC
|
|
xrdp_orders_send_font(struct xrdp_orders *self,
|
|
struct xrdp_font_char *font_char,
|
|
int font_index, int char_index);
|
|
int APP_CC
|
|
xrdp_orders_send_raw_bitmap2(struct xrdp_orders *self,
|
|
int width, int height, int bpp, char *data,
|
|
int cache_id, int cache_idx);
|
|
int APP_CC
|
|
xrdp_orders_send_bitmap2(struct xrdp_orders *self,
|
|
int width, int height, int bpp, char *data,
|
|
int cache_id, int cache_idx, int hints);
|
|
int APP_CC
|
|
xrdp_orders_send_bitmap3(struct xrdp_orders *self,
|
|
int width, int height, int bpp, char *data,
|
|
int cache_id, int cache_idx, int hints);
|
|
int APP_CC
|
|
xrdp_orders_send_brush(struct xrdp_orders *self, int width, int height,
|
|
int bpp, int type, int size, char *data, int cache_id);
|
|
int APP_CC
|
|
xrdp_orders_send_create_os_surface(struct xrdp_orders *self, int id,
|
|
int width, int height,
|
|
struct list *del_list);
|
|
int APP_CC
|
|
xrdp_orders_send_switch_os_surface(struct xrdp_orders *self, int id);
|
|
|
|
/* xrdp_bitmap_compress.c */
|
|
int APP_CC
|
|
xrdp_bitmap_compress(char *in_data, int width, int height,
|
|
struct stream *s, int bpp, int byte_limit,
|
|
int start_line, struct stream *temp_s,
|
|
int e);
|
|
int APP_CC
|
|
xrdp_bitmap32_compress(char *in_data, int width, int height,
|
|
struct stream *s, int bpp, int byte_limit,
|
|
int start_line, struct stream *temp_s,
|
|
int e, int flags);
|
|
int APP_CC
|
|
xrdp_jpeg_compress(void *handle, char *in_data, int width, int height,
|
|
struct stream *s, int bpp, int byte_limit,
|
|
int start_line, struct stream *temp_s,
|
|
int e, int quality);
|
|
|
|
int APP_CC
|
|
xrdp_codec_jpeg_compress(void *handle,
|
|
int format, /* input data format */
|
|
char *inp_data, /* input data */
|
|
int width, /* width of inp_data */
|
|
int height, /* height of inp_data */
|
|
int stride, /* inp_data stride, in bytes*/
|
|
int x, /* x loc in inp_data */
|
|
int y, /* y loc in inp_data */
|
|
int cx, /* width of area to compress */
|
|
int cy, /* height of area to compress */
|
|
int quality, /* higher numbers compress less */
|
|
char *out_data, /* dest for jpg image */
|
|
int *io_len /* length of out_data and on return */
|
|
/* len of compressed data */
|
|
);
|
|
|
|
void *APP_CC
|
|
xrdp_jpeg_init(void);
|
|
int APP_CC
|
|
xrdp_jpeg_deinit(void *handle);
|
|
|
|
/* xrdp_channel.c */
|
|
struct xrdp_channel* APP_CC
|
|
xrdp_channel_create(struct xrdp_sec *owner, struct xrdp_mcs *mcs_layer);
|
|
void APP_CC
|
|
xrdp_channel_delete(struct xrdp_channel *self);
|
|
int APP_CC
|
|
xrdp_channel_init(struct xrdp_channel *self, struct stream *s);
|
|
int APP_CC
|
|
xrdp_channel_send(struct xrdp_channel *self, struct stream *s, int channel_id,
|
|
int total_data_len, int flags);
|
|
int APP_CC
|
|
xrdp_channel_process(struct xrdp_channel *self, struct stream *s,
|
|
int chanid);
|
|
|
|
/* xrdp_fastpath.c */
|
|
struct xrdp_fastpath *APP_CC
|
|
xrdp_fastpath_create(struct xrdp_sec *owner, struct trans *trans);
|
|
void APP_CC
|
|
xrdp_fastpath_delete(struct xrdp_fastpath *self);
|
|
int APP_CC
|
|
xrdp_fastpath_recv(struct xrdp_fastpath *self, struct stream *s);
|
|
int APP_CC
|
|
xrdp_fastpath_process_input_event(struct xrdp_fastpath *self, struct stream *s);
|
|
int APP_CC
|
|
xrdp_fastpath_init(struct xrdp_fastpath *self, struct stream *s);
|
|
int APP_CC
|
|
xrdp_fastpath_send(struct xrdp_fastpath *self, struct stream *s);
|
|
|
|
/* xrdp_caps.c */
|
|
int APP_CC
|
|
xrdp_caps_send_demand_active(struct xrdp_rdp *self);
|
|
int APP_CC
|
|
xrdp_caps_process_confirm_active(struct xrdp_rdp *self, struct stream *s);
|
|
#endif
|