thread_start:
DEBUGF 1,'I am the thread!\n'
mov eax,40 ; Report events
mov ebx,10000000b ; Only Stack
int 0x40
resolve first,[server_ip] ; the input window putted the server @ 'first', resolve it into a real ip
mov [server_port],5900 ; no port input for now, only standard port 5900
DEBUGF 1,'connecting to %u.%u.%u.%u:%u\n',1[server_ip],1[server_ip+1],1[server_ip+2],1[server_ip+3],4[server_port]
eth.search_port 1000,edx ; Find a free port starting from 1001 and store in edx
eth.open_tcp edx,[server_port],[server_ip],1,[socket] ; open socket
DEBUGF 1,'Socket opened: %u (port %u)\n',[socket],ecx
call read_data
cmp dword[receive_buffer+1],'RFB '
jne no_rfb
eth.write_tcp [socket],12,handshake
DEBUGF 1,'Sending handshake: protocol version\n'
call read_data
mov eax,receive_buffer+1
mov eax,[eax]
bswap eax
cmp eax,0
je invalid_security
cmp eax,1
je no_security
cmp eax,2
je vnc_security
jmp close
vnc_security:
mov byte[mode],1
call red_logon
no_security:
eth.write_tcp [socket],1,shared
DEBUGF 1,'Sending handshake: shared session?\n'
eth.wait_for_data [socket],TIMEOUT*10,close
eth.read_data [socket],framebuffer,[datapointer],IM_END-receive_buffer ; now the server should send init message
DEBUGF 1,'Serverinit: bpp:%u depth:%u bigendian:%u truecolor:%u\n',1[pixelformat.bpp],1[pixelformat.depth],1[pixelformat.big_endian],1[pixelformat.true_color]
mov eax,dword[framebuffer]
bswap eax
mov dword[screen],eax
eth.write_tcp [socket],20,pixel_format8
DEBUGF 1,'Sending pixel format\n'
call read_data
; eth.write_tcp [socket],8,encodings
; DEBUGF 1,'Sending encoding info\n'
; call read_data
mov eax,dword[framebuffer.width]
mov dword[fbur.width],eax
mov byte[thread_ready],1
request_rfb:
mov byte[fbur.inc],2 ;;;;;;;;
eth.write_tcp [socket],10,fbur ;;;;;;;;;
thread_loop:
eth.wait_for_data [socket],1000,thread_loop
call read_data ; Read the data into the buffer
mov eax,[datapointer] ; at least 2 bytes should be received
sub eax,receive_buffer
cmp eax,1
jle mainloop
DEBUGF 1,'Data received, %u bytes\n',eax
cmp byte[receive_buffer],0
je framebufferupdate
cmp byte[receive_buffer],1
je setcolourmapentries
cmp byte[receive_buffer],2
je bell
cmp byte[receive_buffer],3
je servercuttext
jmp thread_loop
framebufferupdate:
mov ax,word[receive_buffer+2]
xchg al,ah
mov di,ax
DEBUGF 1,'Framebufferupdate: %u frames\n',di
mov esi,receive_buffer+4
jmp rectangle_loop
next_rectangle:
call drawbuffer
dec di
test di,di
jz request_rfb
rectangle_loop:
mov edx,[esi]
bswap edx
mov ebx,edx
shr edx,16
mov [frame.x],dx
mov [frame.y],bx
add esi,4
mov ecx,[esi]
bswap ecx
mov eax,ecx
shr ecx,16
mov [frame.width],cx
mov [frame.height],ax
add esi,4
mov eax,[esi]
add esi,4
mov ebx,esi
sub ebx,receive_buffer+12
DEBUGF 1,'frame: width=%u height=%u x=%u y=%u offset:%u encoding:',2[frame.width],2[frame.height],2[frame.x],2[frame.y],ebx
cmp eax,0
je encoding_raw
cmp eax,1
je encoding_copyrect
cmp eax,2
je encoding_RRE
cmp eax,5
je encoding_hextile
cmp eax,16
je encoding_ZRLE
mov ebx,esi
sub ebx,receive_buffer+8
DEBUGF 1,'\nunknown encoding: %u (offset %u)\n',eax,ebx
jmp bell
jmp thread_loop
encoding_RRE:
DEBUGF 1,'RRE\n'
jmp next_rectangle
encoding_hextile:
DEBUGF 1,'hextile\n'
jmp next_rectangle
encoding_ZRLE:
DEBUGF 1,'ZRLE\n'
jmp next_rectangle
setcolourmapentries:
DEBUGF 1,'Server sended SetColourMapEntries message\n'
jmp thread_loop
bell:
mov eax,55
mov ebx,eax
mov esi,beep
int 0x40
jmp thread_loop
servercuttext:
DEBUGF 1,'Server cut text\n'
jmp thread_loop
read_data:
eth.read_data [socket],receive_buffer,[datapointer],IM_END-receive_buffer
ret