232 lines
5.6 KiB
PHP
232 lines
5.6 KiB
PHP
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thread_start:
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DEBUGF 1, 'I am the thread!\n'
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mcall 40, 0
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; resolve name
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push esp ; reserve stack place
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invoke getaddrinfo, first, 0, 0, esp
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pop esi
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; test for error
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test eax, eax
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jnz exit
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mov eax, [esi+addrinfo.ai_addr]
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mov eax, [eax+sockaddr_in.sin_addr]
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mov [sockaddr1.ip], eax
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; DEBUGF 1, 'Connecting to %u.%u.%u.%u:%u\n', \
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; [server_ip]:1, [server_ip+1]:1, \
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; [server_ip+2]:1, [server_ip+3]:1, \
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; [server_port]:2
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mcall socket, AF_INET4, SOCK_STREAM, 0
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mov [socketnum], eax
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mcall connect, [socketnum], sockaddr1, 18
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call wait_for_data
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cmp dword [receive_buffer], 'RFB '
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jne no_rfb
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DEBUGF 1, 'received: %s\n', receive_buffer
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mcall send, [socketnum], handshake, 12, 0
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DEBUGF 1, 'Sending handshake: protocol version\n'
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call wait_for_data
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cmp dword [receive_buffer], 0x00000000
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je invalid_security
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cmp dword [receive_buffer], 0x01000000
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je no_security
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cmp dword [receive_buffer], 0x02000000
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je vnc_security
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jmp exit
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vnc_security:
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mov byte[mode], 1
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call red_logon
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no_security:
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mcall send, [socketnum], shared, 1, 0
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DEBUGF 1, 'Sending handshake: shared session?\n'
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call wait_for_data ; now the server should send init message
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DEBUGF 1, 'Serverinit: bpp: %u depth: %u bigendian: %u truecolor: %u\n', \
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[receive_buffer+framebuffer.pixelformat.bpp]:1, \
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[receive_buffer+framebuffer.pixelformat.depth]:1, \
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[receive_buffer+framebuffer.pixelformat.big_endian]:1, \
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[receive_buffer+framebuffer.pixelformat.true_color]:1
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mov eax, dword [receive_buffer]
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mov dword [fbur.width], eax
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bswap eax
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mov dword [screen], eax
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mcall send, [socketnum], pixel_format8, 20, 0
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DEBUGF 1, 'Sending pixel format\n'
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call read_data
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; eth.write_tcp [socket],8,encodings
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; DEBUGF 1,'Sending encoding info\n'
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; call read_data
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mov byte [thread_ready], 1
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request_rfb:
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mov [fbur.inc], 2
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mcall send, [socketnum], fbur, 10, 0
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thread_loop:
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call read_data ; Read the data into the buffer
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; cmp eax, 2
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; jb mainloop
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DEBUGF 1,'Data received, %u bytes\n', eax
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cmp byte [receive_buffer],0
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je framebufferupdate
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cmp byte [receive_buffer],1
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je setcolourmapentries
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cmp byte [receive_buffer],2
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je bell
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cmp byte [receive_buffer],3
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je servercuttext
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jmp thread_loop
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align 4
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framebufferupdate:
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mov ax, word [receive_buffer+2]
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xchg al, ah
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mov di, ax
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DEBUGF 1, 'Framebufferupdate: %u frames\n', di
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mov esi, receive_buffer+4
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jmp rectangle_loop
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next_rectangle:
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call drawbuffer
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dec di
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test di, di
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jz request_rfb
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rectangle_loop:
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mov edx, [esi]
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bswap edx
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mov ebx, edx
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shr edx, 16
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mov [frame.x], dx
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mov [frame.y], bx
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add esi, 4
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mov ecx, [esi]
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bswap ecx
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mov eax, ecx
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shr ecx, 16
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mov [frame.width], cx
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mov [frame.height], ax
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add esi, 4
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mov eax, [esi]
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add esi, 4
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mov ebx, esi
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sub ebx, receive_buffer+12
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DEBUGF 1, 'frame: width=%u height=%u x=%u y=%u offset:%u encoding:',\
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[frame.width]:2, [frame.height]:2, [frame.x]:2, [frame.y]:2, ebx
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cmp eax, 0
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je encoding_raw
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; cmp eax, 1
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; je encoding_copyrect
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cmp eax, 2
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je encoding_RRE
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cmp eax, 5
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je encoding_hextile
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cmp eax, 16
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je encoding_ZRLE
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mov ebx, esi
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sub ebx, receive_buffer+8
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DEBUGF 1, '\nunknown encoding: %u (offset %u)\n', eax, ebx
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jmp bell
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jmp thread_loop
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encoding_RRE:
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DEBUGF 1, 'RRE\n'
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jmp next_rectangle
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encoding_hextile:
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DEBUGF 1, 'hextile\n'
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jmp next_rectangle
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encoding_ZRLE:
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DEBUGF 1, 'ZRLE\n'
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jmp next_rectangle
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setcolourmapentries:
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DEBUGF 1, 'Server sent SetColourMapEntries message\n'
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jmp thread_loop
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bell:
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mcall 55, 55, , , beep
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jmp thread_loop
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servercuttext:
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DEBUGF 1, 'Server cut text\n'
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jmp thread_loop
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read_data:
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mov [datapointer], receive_buffer
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.loop:
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mcall recv, [socketnum], [datapointer], 4096, 0
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cmp eax, -1
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je .done
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add [datapointer], eax
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cmp eax, 4096
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je .loop
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.done:
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mov eax, [datapointer]
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sub eax, receive_buffer
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ret
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wait_for_data:
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mcall recv, [socketnum], receive_buffer, 4096, 0
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cmp eax, -1
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je wait_for_data
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test eax, eax
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jz wait_for_data
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ret
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