/** * xrdp: A Remote Desktop Protocol server. * * Copyright (C) Jay Sorg 2004-2013 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * libxrdp header */ #if !defined(LIBXRDP_H) #define LIBXRDP_H #if defined(HAVE_CONFIG_H) #include "config_ac.h" #endif #include "arch.h" #include "parse.h" #include "trans.h" #include "xrdp_constants.h" #include "defines.h" #include "os_calls.h" #include "ssl_calls.h" #include "list.h" #include "file.h" #include "libxrdpinc.h" #include "file_loc.h" #include "xrdp_client_info.h" /* tcp */ struct xrdp_tcp { struct trans* trans; struct xrdp_iso* iso_layer; /* owner */ }; /* iso */ struct xrdp_iso { struct xrdp_mcs* mcs_layer; /* owner */ struct xrdp_tcp* tcp_layer; }; /* used in mcs */ struct mcs_channel_item { char name[16]; int flags; int chanid; }; /* mcs */ struct xrdp_mcs { struct xrdp_sec* sec_layer; /* owner */ struct xrdp_iso* iso_layer; int userid; int chanid; struct stream* client_mcs_data; struct stream* server_mcs_data; struct list* channel_list; }; /* sec */ struct xrdp_sec { struct xrdp_rdp* rdp_layer; /* owner */ struct xrdp_mcs* mcs_layer; struct xrdp_channel* chan_layer; char server_random[32]; char client_random[64]; char client_crypt_random[72]; struct stream client_mcs_data; struct stream server_mcs_data; int decrypt_use_count; int encrypt_use_count; char decrypt_key[16]; char encrypt_key[16]; char decrypt_update_key[16]; char encrypt_update_key[16]; int rc4_key_size; /* 1 = 40 bit, 2 = 128 bit */ int rc4_key_len; /* 8 = 40 bit, 16 = 128 bit */ int crypt_level; /* 1, 2, 3 = low, meduim, high */ char sign_key[16]; void* decrypt_rc4_info; void* encrypt_rc4_info; char pub_exp[4]; char pub_mod[64]; char pub_sig[64]; char pri_exp[64]; int channel_code; }; /* channel */ struct xrdp_channel { struct xrdp_sec* sec_layer; struct xrdp_mcs* mcs_layer; }; /* rdp */ struct xrdp_rdp { struct xrdp_session* session; struct xrdp_sec* sec_layer; int share_id; int mcs_channel; struct xrdp_client_info client_info; struct xrdp_mppc_enc* mppc_enc; void* rfx_enc; }; /* state */ struct xrdp_orders_state { int last_order; /* last order sent */ int clip_left; /* RDP_ORDER_BOUNDS, RDP_ORDER_LASTBOUNDS */ int clip_top; int clip_right; int clip_bottom; int rect_x; /* RDP_ORDER_RECT */ int rect_y; int rect_cx; int rect_cy; int rect_color; int scr_blt_x; /* RDP_ORDER_SCREENBLT */ int scr_blt_y; int scr_blt_cx; int scr_blt_cy; int scr_blt_rop; int scr_blt_srcx; int scr_blt_srcy; int pat_blt_x; /* RDP_ORDER_PATBLT */ int pat_blt_y; int pat_blt_cx; int pat_blt_cy; int pat_blt_rop; int pat_blt_bg_color; int pat_blt_fg_color; struct xrdp_brush pat_blt_brush; int dest_blt_x; /* RDP_ORDER_DESTBLT */ int dest_blt_y; int dest_blt_cx; int dest_blt_cy; int dest_blt_rop; int line_mix_mode; /* RDP_ORDER_LINE */ int line_startx; int line_starty; int line_endx; int line_endy; int line_bg_color; int line_rop; struct xrdp_pen line_pen; int mem_blt_color_table; /* RDP_ORDER_MEMBLT */ int mem_blt_cache_id; int mem_blt_x; int mem_blt_y; int mem_blt_cx; int mem_blt_cy; int mem_blt_rop; int mem_blt_srcx; int mem_blt_srcy; int mem_blt_cache_idx; int text_font; /* RDP_ORDER_TEXT2 */ int text_flags; int text_unknown; int text_mixmode; int text_fg_color; int text_bg_color; int text_clip_left; int text_clip_top; int text_clip_right; int text_clip_bottom; int text_box_left; int text_box_top; int text_box_right; int text_box_bottom; int text_x; int text_y; int text_len; char* text_data; }; /* orders */ struct xrdp_orders { struct stream* out_s; struct xrdp_rdp* rdp_layer; struct xrdp_session* session; struct xrdp_wm* wm; char* order_count_ptr; /* pointer to count, set when sending */ int order_count; int order_level; /* inc for every call to xrdp_orders_init */ struct xrdp_orders_state orders_state; }; #define PROTO_RDP_40 1 #define PROTO_RDP_50 2 struct xrdp_mppc_enc { int protocol_type; /* PROTO_RDP_40, PROTO_RDP_50 etc */ char *historyBuffer; /* contains uncompressed data */ char *outputBuffer; /* contains compressed data */ char *outputBufferPlus; int historyOffset; /* next free slot in historyBuffer */ int buf_len; /* length of historyBuffer, protocol dependant */ int bytes_in_opb; /* compressed bytes available in outputBuffer */ int flags; /* PACKET_COMPRESSED, PACKET_AT_FRONT, PACKET_FLUSHED etc */ int flagsHold; int first_pkt; /* this is the first pkt passing through enc */ tui16 *hash_table; }; int APP_CC compress_rdp(struct xrdp_mppc_enc *enc, tui8 *srcData, int len); struct xrdp_mppc_enc * APP_CC mppc_enc_new(int protocol_type); void APP_CC mppc_enc_free(struct xrdp_mppc_enc *enc); /* xrdp_tcp.c */ struct xrdp_tcp* APP_CC xrdp_tcp_create(struct xrdp_iso* owner, struct trans* trans); void APP_CC xrdp_tcp_delete(struct xrdp_tcp* self); int APP_CC xrdp_tcp_init(struct xrdp_tcp* self, struct stream* s); int APP_CC xrdp_tcp_recv(struct xrdp_tcp* self, struct stream* s, int len); int APP_CC xrdp_tcp_send(struct xrdp_tcp* self, struct stream* s); /* xrdp_iso.c */ struct xrdp_iso* APP_CC xrdp_iso_create(struct xrdp_mcs* owner, struct trans* trans); void APP_CC xrdp_iso_delete(struct xrdp_iso* self); int APP_CC xrdp_iso_init(struct xrdp_iso* self, struct stream* s); int APP_CC xrdp_iso_recv(struct xrdp_iso* self, struct stream* s); int APP_CC xrdp_iso_send(struct xrdp_iso* self, struct stream* s); int APP_CC xrdp_iso_incoming(struct xrdp_iso* self); /* xrdp_mcs.c */ struct xrdp_mcs* APP_CC xrdp_mcs_create(struct xrdp_sec* owner, struct trans* trans, struct stream* client_mcs_data, struct stream* server_mcs_data); void APP_CC xrdp_mcs_delete(struct xrdp_mcs* self); int APP_CC xrdp_mcs_init(struct xrdp_mcs* self, struct stream* s); int APP_CC xrdp_mcs_recv(struct xrdp_mcs* self, struct stream* s, int* chan); int APP_CC xrdp_mcs_send(struct xrdp_mcs* self, struct stream* s, int chan); int APP_CC xrdp_mcs_incoming(struct xrdp_mcs* self); int APP_CC xrdp_mcs_disconnect(struct xrdp_mcs* self); /* xrdp_sec.c */ struct xrdp_sec* APP_CC xrdp_sec_create(struct xrdp_rdp* owner, struct trans* trans, int crypt_level, int channel_code); void APP_CC xrdp_sec_delete(struct xrdp_sec* self); int APP_CC xrdp_sec_init(struct xrdp_sec* self, struct stream* s); int APP_CC xrdp_sec_recv(struct xrdp_sec* self, struct stream* s, int* chan); int APP_CC xrdp_sec_send(struct xrdp_sec* self, struct stream* s, int chan); int APP_CC xrdp_sec_process_mcs_data(struct xrdp_sec* self); int APP_CC xrdp_sec_out_mcs_data(struct xrdp_sec* self); int APP_CC xrdp_sec_incoming(struct xrdp_sec* self); int APP_CC xrdp_sec_disconnect(struct xrdp_sec* self); /* xrdp_rdp.c */ struct xrdp_rdp* APP_CC xrdp_rdp_create(struct xrdp_session* session, struct trans* trans); void APP_CC xrdp_rdp_delete(struct xrdp_rdp* self); int APP_CC xrdp_rdp_init(struct xrdp_rdp* self, struct stream* s); int APP_CC xrdp_rdp_init_data(struct xrdp_rdp* self, struct stream* s); int APP_CC xrdp_rdp_recv(struct xrdp_rdp* self, struct stream* s, int* code); int APP_CC xrdp_rdp_send(struct xrdp_rdp* self, struct stream* s, int pdu_type); int APP_CC xrdp_rdp_send_data(struct xrdp_rdp* self, struct stream* s, int data_pdu_type); int APP_CC xrdp_rdp_send_data_update_sync(struct xrdp_rdp* self); int APP_CC xrdp_rdp_incoming(struct xrdp_rdp* self); int APP_CC xrdp_rdp_send_demand_active(struct xrdp_rdp* self); int APP_CC xrdp_rdp_process_confirm_active(struct xrdp_rdp* self, struct stream* s); int APP_CC xrdp_rdp_process_data(struct xrdp_rdp* self, struct stream* s); int APP_CC xrdp_rdp_disconnect(struct xrdp_rdp* self); int APP_CC xrdp_rdp_send_deactive(struct xrdp_rdp* self); /* xrdp_orders.c */ struct xrdp_orders* APP_CC xrdp_orders_create(struct xrdp_session* session, struct xrdp_rdp* rdp_layer); void APP_CC xrdp_orders_delete(struct xrdp_orders* self); int APP_CC xrdp_orders_reset(struct xrdp_orders* self); int APP_CC xrdp_orders_init(struct xrdp_orders* self); int APP_CC xrdp_orders_send(struct xrdp_orders* self); int APP_CC xrdp_orders_force_send(struct xrdp_orders* self); int APP_CC xrdp_orders_check(struct xrdp_orders* self, int max_size); int APP_CC xrdp_orders_rect(struct xrdp_orders* self, int x, int y, int cx, int cy, int color, struct xrdp_rect* rect); int APP_CC xrdp_orders_screen_blt(struct xrdp_orders* self, int x, int y, int cx, int cy, int srcx, int srcy, int rop, struct xrdp_rect* rect); int APP_CC xrdp_orders_pat_blt(struct xrdp_orders* self, int x, int y, int cx, int cy, int rop, int bg_color, int fg_color, struct xrdp_brush* brush, struct xrdp_rect* rect); int APP_CC xrdp_orders_dest_blt(struct xrdp_orders* self, int x, int y, int cx, int cy, int rop, struct xrdp_rect* rect); int APP_CC xrdp_orders_line(struct xrdp_orders* self, int mix_mode, int startx, int starty, int endx, int endy, int rop, int bg_color, struct xrdp_pen* pen, struct xrdp_rect* rect); int APP_CC xrdp_orders_mem_blt(struct xrdp_orders* self, int cache_id, int color_table, int x, int y, int cx, int cy, int rop, int srcx, int srcy, int cache_idx, struct xrdp_rect* rect); int APP_CC xrdp_orders_text(struct xrdp_orders* self, int font, int flags, int mixmode, int fg_color, int bg_color, int clip_left, int clip_top, int clip_right, int clip_bottom, int box_left, int box_top, int box_right, int box_bottom, int x, int y, char* data, int data_len, struct xrdp_rect* rect); int APP_CC 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_jpeg_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 quality); /* 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); #endif