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454 lines
13 KiB
454 lines
13 KiB
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2013
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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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/* tcp */
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struct xrdp_tcp
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{
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struct trans* trans;
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struct xrdp_iso* iso_layer; /* owner */
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};
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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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struct xrdp_tcp* tcp_layer;
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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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/* 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_channel* chan_layer;
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char server_random[32];
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char client_random[64];
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char client_crypt_random[72];
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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 rc4_key_size; /* 1 = 40 bit, 2 = 128 bit */
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int rc4_key_len; /* 8 = 40 bit, 16 = 128 bit */
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int crypt_level; /* 1, 2, 3 = low, meduim, high */
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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[64];
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char pub_sig[64];
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char pri_exp[64];
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int channel_code;
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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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};
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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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};
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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 dependant */
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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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/* 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, int crypt_level,
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int channel_code);
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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_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_out_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_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_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_send_demand_active(struct xrdp_rdp* self);
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int APP_CC
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xrdp_rdp_process_confirm_active(struct xrdp_rdp* self, struct stream* s);
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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_deactive(struct xrdp_rdp* self);
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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_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,
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int cache_id);
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int APP_CC
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xrdp_orders_send_raw_bitmap(struct xrdp_orders* self,
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int width, int height, int bpp, char* data,
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int cache_id, int cache_idx);
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int APP_CC
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xrdp_orders_send_bitmap(struct xrdp_orders* self,
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int width, int height, int bpp, char* data,
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int cache_id, int cache_idx);
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int APP_CC
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xrdp_orders_send_font(struct xrdp_orders* self,
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struct xrdp_font_char* font_char,
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int font_index, int char_index);
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int APP_CC
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xrdp_orders_send_raw_bitmap2(struct xrdp_orders* self,
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int width, int height, int bpp, char* data,
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int cache_id, int cache_idx);
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int APP_CC
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xrdp_orders_send_bitmap2(struct xrdp_orders* self,
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int width, int height, int bpp, char* data,
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int cache_id, int cache_idx, int hints);
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int APP_CC
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xrdp_orders_send_bitmap3(struct xrdp_orders* self,
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int width, int height, int bpp, char* data,
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int cache_id, int cache_idx, int hints);
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int APP_CC
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xrdp_orders_send_brush(struct xrdp_orders* self, int width, int height,
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int bpp, int type, int size, char* data, int cache_id);
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int APP_CC
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xrdp_orders_send_create_os_surface(struct xrdp_orders* self, int id,
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int width, int height,
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struct list* del_list);
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int APP_CC
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xrdp_orders_send_switch_os_surface(struct xrdp_orders* self, int id);
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/* xrdp_bitmap_compress.c */
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int APP_CC
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xrdp_bitmap_compress(char* in_data, int width, int height,
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struct stream* s, int bpp, int byte_limit,
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int start_line, struct stream* temp_s,
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int e);
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int APP_CC
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xrdp_jpeg_compress(char* in_data, int width, int height,
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struct stream* s, int bpp, int byte_limit,
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int start_line, struct stream* temp_s,
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int e, int quality);
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/* xrdp_channel.c */
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struct xrdp_channel* APP_CC
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xrdp_channel_create(struct xrdp_sec* owner, struct xrdp_mcs* mcs_layer);
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void APP_CC
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xrdp_channel_delete(struct xrdp_channel* self);
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int APP_CC
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xrdp_channel_init(struct xrdp_channel* self, struct stream* s);
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int APP_CC
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xrdp_channel_send(struct xrdp_channel* self, struct stream* s, int channel_id,
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int total_data_len, int flags);
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int APP_CC
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xrdp_channel_process(struct xrdp_channel* self, struct stream* s,
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int chanid);
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#endif
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