;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; SMTP server for MenuetOS ;;
;; ;;
;; License: GPL / See file COPYING for details ;;
;; Copyright 2002 (c) Ville Turjanmaa ;;
;; ;;
;; Compile with FASM for Menuet ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
version equ '0.1'
use32
org 0x0
db 'MENUET01' ; 8 byte id
dd 0x01 ; required os
dd START ; program start
dd I_END ; program image size
dd 0x200000 ; required amount of memory
dd 0xffff0
dd 0,0
include 'macros.inc'
save_file:
; cmp [file_start],0x100000+10
; jbe nosub
; sub [file_start],8
; nosub:
mov eax,[file_start]
sub eax,0x100000
mov ebx,files
mov [ebx+12],eax
mov eax,70
int 0x40
ret
START: ; start of execution
mov [file_start],0x100000
mov eax,70
mov ebx,filel
int 0x40
test eax,eax
jz @f
cmp eax,6
jnz notfound
@@:
add [file_start],ebx
notfound:
mov edi,I_END
mov ecx,60*120
mov al,32
cld
rep stosb
mov eax,[rxs]
imul eax,11
mov [pos],eax
mov ebp,0
mov edx,I_END
call draw_window ; at first, draw the window
still:
inc [cursor_on_off]
mov eax,5
mov ebx,1
int 0x40
mov eax,11 ; wait here for event
int 0x40
cmp eax,1 ; redraw
je redraw
cmp eax,2 ; key
je key
cmp eax,3 ; button
je button
cmp [I_END+120*60],byte 1
jne no_main_update
mov [I_END+120*60],byte 0
mov edx,I_END
call draw_channel_text
no_main_update:
cmp [server_active],0
je noread
cmp [status],4
jne noread
call read_incoming_data
inc [close_connection]
cmp [close_connection],15*100
jbe noread
call yq
noread:
call print_status
cmp [status],4
je check_header
jmp still
check_header:
cmp [header_sent],1
je still
mov eax,53
mov ebx,7
mov ecx,[socket]
mov edx,6
mov esi,r220
int 0x40
mov [header_sent],1
jmp still
redraw: ; redraw
call draw_window
jmp still
button: ; button
mov eax,17 ; get id
int 0x40
cmp ah,1 ; close program
jne noclose
mov eax,-1
int 0x40
noclose:
call socket_commands
jmp still
old_status dd 0x0
print_status:
pusha
mov eax,53
mov ebx,6
mov ecx,[socket]
int 0x40
mov [status],eax
cmp eax,[old_status]
je no_print
mov [old_status],eax
push eax
mov eax,13
mov ebx,360*65536+30
mov ecx,151*65536+10
mov edx,0xffffff
int 0x40
pop ecx
mov eax,47
mov ebx,3*65536
mov edx,360*65536+151
mov esi,0x000000
cmp [server_active],0
je no_print
int 0x40
no_print:
popa
ret
socket_commands:
cmp ah,22 ; open socket
jnz tst3
mov eax,3
int 0x40
mov [server_active],1
mov eax,53
mov ebx,5
mov ecx,25 ; local port # - http
mov edx,0 ; no remote port specified
mov esi,0 ; no remote ip specified
mov edi,0 ; PASSIVE open
int 0x40
mov [socket], eax
ret
tst3:
cmp ah,24 ; close socket
jnz no_24
mov eax,53
mov ebx,8
mov ecx,[socket]
int 0x40
mov [header_sent],0
mov [mail_rp],0
mov [server_active],0
ret
no_24:
ret
key:
mov eax,2
int 0x40
jmp still
read_incoming_data:
pusha
read_new_byte:
call read_incoming_byte
cmp ecx,-1
je no_data_in_buffer
mov eax,[file_start]
mov [eax],bl
inc [file_start]
cmp bl,10
jne no_start_command
mov [cmd],1
no_start_command:
cmp bl,13
jne no_end_command
mov eax,[cmd]
mov [eax+command-2],byte 0
call analyze_command
mov edi,command
mov ecx,250
mov eax,0
cld
rep stosb
mov [cmd],0
no_end_command:
mov eax,[cmd]
cmp eax,250
jge still
mov [eax+command-2],bl
inc [cmd]
jmp read_new_byte
no_data_in_buffer:
popa
ret
analyze_command:
pusha
mov [text_start],I_END
mov ecx,[rxs]
imul ecx,11
mov [pos],ecx
mov bl,13
call print_character
mov bl,10
call print_character
cmp [cmd],2
jbe nott
mov ecx,[cmd]
sub ecx,2
mov esi,command+0
newcmdc:
mov bl,[esi]
call print_character
inc esi
loop newcmdc
nott:
mov edx,I_END
call draw_channel_text
cmd_len_ok:
cmp [command],dword 'data'
je datacom
cmp [command],dword 'DATA'
je datacom
cmp [command],dword 'Data'
je datacom
jmp nodatacom
datacom:
inc [mail_rp]
mov eax,53
mov ebx,7
mov ecx,[socket]
mov edx,6
mov esi,r354
int 0x40
mov [cmd],0
popa
ret
nodatacom:
cmp [mail_rp],0
jne nomrp0
mov eax,53
mov ebx,7
mov ecx,[socket]
mov edx,6
mov esi,r250
int 0x40
mov [cmd],0
popa
ret
nomrp0:
cmp [command],dword 'QUIT'
je yesquit
cmp [command],dword 'Quit'
je yesquit
cmp [command],dword 'quit'
je yesquit
jmp noquit
yq:
pusha
yesquit:
mov [close_connection],0
mov eax,53
mov ebx,7
mov ecx,[socket]
mov edx,6
mov esi,r221
int 0x40
mov [cmd],0
mov eax,5
mov ebx,5
int 0x40
mov eax,53
mov ebx,8
mov ecx,[socket]
int 0x40
mov eax,5
mov ebx,5
int 0x40
mov eax,53
mov ebx,8
mov ecx,[socket]
int 0x40
mov [header_sent],0
mov [mail_rp],0
call save_file
mov eax,5
mov ebx,20
int 0x40
mov eax,53
mov ebx,5
mov ecx,25 ; local port # - http
mov edx,0 ; no remote port specified
mov esi,0 ; no remote ip specified
mov edi,0 ; PASSIVE open
int 0x40
mov [socket], eax
popa
ret
noquit:
cmp [command],byte '.'
jne nodot
mov eax,53
mov ebx,7
mov ecx,[socket]
mov edx,6
mov esi,r250
int 0x40
mov [cmd],0
popa
ret
nodot:
popa
ret
r250 db '250 ',13,10
r221 db '221 ',13,10
r220 db '220 ',13,10
r354 db '354 ',13,10
draw_data:
pusha
add eax,[text_start]
mov [eax],bl
popa
ret
print_text:
pusha
mov ecx,command-2
add ecx,[cmd]
ptr2:
mov bl,[eax]
cmp bl,dl
je ptr_ret
cmp bl,0
je ptr_ret
call print_character
inc eax
cmp eax,ecx
jbe ptr2
ptr_ret:
mov eax,[text_start]
mov [eax+120*60],byte 1
popa
ret
print_character:
pusha
cmp bl,13 ; line beginning
jne nobol
mov ecx,[pos]
add ecx,1
boll1:
sub ecx,1
mov eax,ecx
xor edx,edx
mov ebx,[rxs]
div ebx
cmp edx,0
jne boll1
mov [pos],ecx
jmp newdata
nobol:
cmp bl,10 ; line down
jne nolf
addx1:
add [pos],dword 1
mov eax,[pos]
xor edx,edx
mov ecx,[rxs]
div ecx
cmp edx,0
jnz addx1
mov eax,[pos]
jmp cm1
nolf:
no_lf_ret:
cmp bl,15 ; character
jbe newdata
mov eax,[irc_data]
shl eax,8
mov al,bl
mov [irc_data],eax
mov eax,[pos]
call draw_data
mov eax,[pos]
add eax,1
cm1:
mov ebx,[scroll+4]
imul ebx,[rxs]
cmp eax,ebx
jb noeaxz
mov esi,[text_start]
add esi,[rxs]
mov edi,[text_start]
mov ecx,ebx
cld
rep movsb
mov esi,[text_start]
mov ecx,[rxs]
imul ecx,61
add esi,ecx
mov edi,[text_start]
mov ecx,[rxs]
imul ecx,60
add edi,ecx
mov ecx,ebx
cld
rep movsb
mov eax,ebx
sub eax,[rxs]
noeaxz:
mov [pos],eax
newdata:
mov eax,[text_start]
mov [eax+120*60],byte 1
popa
ret
read_incoming_byte:
mov eax, 53
mov ebx, 2
mov ecx, [socket]
int 0x40
mov ecx,-1
cmp eax,0
je no_more_data
mov eax, 53
mov ebx, 3
mov ecx, [socket]
int 0x40
mov ecx,0
no_more_data:
ret
draw_window:
pusha
mov eax,12
mov ebx,1
int 0x40
mov [old_status],300
mov eax,0 ; draw window
mov ebx,5*65536+400
mov ecx,5*65536+200
mov edx,0x13ffffff
mov edi,labelt
int 0x40
mov eax,8 ; button: open socket
mov ebx,23*65536+22
mov ecx,169*65536+10
mov edx,22
mov esi,0x55aa55
int 0x40
mov eax,8 ; button: close socket
mov ebx,265*65536+22
mov ecx,169*65536+10
mov edx,24
mov esi,0xaa5555
int 0x40
mov eax,38 ; line
mov ebx,5*65536+395
mov ecx,108*65536+108
mov edx,0x000000
int 0x40
mov ebx,5*65536+123 ; info text
mov ecx,0x000000
mov edx,text
mov esi,70
newline:
mov eax,4
int 0x40
add ebx,12
add edx,70
cmp [edx],byte 'x'
jne newline
mov edx,I_END ; text from server
call draw_channel_text
mov eax,12
mov ebx,2
int 0x40
popa
ret
draw_channel_text:
pusha
mov eax,4
mov ebx,10*65536+26
mov ecx,[scroll+4]
mov esi,[rxs]
dct:
pusha
mov cx,bx
shl ecx,16
mov cx,9
mov eax,13
mov ebx,10*65536
mov bx,word [rxs]
imul bx,6
mov edx,0xffffff
int 0x40
popa
push ecx
mov eax,4
mov ecx,0
cmp [edx],word '* '
jne no_red
mov ecx,0xff0000
no_red:
cmp [edx],word '**'
jne no_light_blue
cmp [edx+2],byte '*'
jne no_light_blue
mov ecx,0x0000ff
no_light_blue:
cmp [edx],byte '#'
jne no_blue
mov ecx,0x00ff00
no_blue:
int 0x40
add edx,[rxs]
add ebx,10
pop ecx
loop dct
popa
ret
text:
db ' Incoming mails are written to /rd/1/smtps.txt '
db ' The file can be fetched with TinyServer and a Html-browser. '
db ' Timeout is set to 15 seconds. '
db ' '
db ' Open SMTP server port 25 Close SMTP '
db 'x' ; <- END MARKER, DONT DELETE
irc_server_ip db 192,168,1,1
file_start dd 0x100000
files:
dd 2,0,0,?,0x100000
db '/rd/1/smtps.txt',0
filel:
dd 0,0,0,0x100000,0x100000
db '/rd/1/smtps.txt',0
server_active dd 0
status dd 0x0
header_sent db 0
channel_temp: times 100 db 0
channel_temp_length dd 0x0
close_connection dd 0x0
mail_rp dd 0
socket dd 0x0
bgc dd 0x000000
dd 0x000000
dd 0x00ff00
dd 0x0000ff
dd 0x005500
dd 0xff00ff
dd 0x00ffff
dd 0x770077
tc dd 0xffffff
dd 0xff00ff
dd 0xffffff
dd 0xffffff
dd 0xffffff
dd 0xffffff
dd 0xffffff
dd 0xffffff
cursor_on_off dd 0x0
max_windows dd 20
thread_stack dd 0x9fff0
thread_nro dd 1
thread_screen dd I_END+120*80*1
action_header_blue db 10,'*** ',0
action_header_red db 10,'*** ',0
action_header_short db 10,'* ',0
posx dd 0x0
incoming_pos dd 0x0
incoming_string: times 128 db 0
pos dd 0x0
text_start dd I_END
irc_data dd 0x0
print db 0x0
cmd dd 0x0
rxs dd 56
res: db 0,0
command: times 256 db 0x0
nick dd 0,0,0
irc_command dd 0,0
command_position dd 0x0
counter dd 0
send_to_server db 0
channel_list: times 32*20 db 32
send_to_channel dd 0x0
send_string: times 100 db 0x0
xpos dd 0
attribute dd 0
scroll dd 1
dd 8
numtext db ' '
labelt db 'Tiny SMTP email server v ',version,0
I_END: