Rev 109 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
31 | halyavin | 1 | ; |
2 | ; TFTP Client |
||
3 | |||
4 | use32 |
||
331 | heavyiron | 5 | org 0x0 |
6 | db 'MENUET01' ; header |
||
7 | dd 0x01 ; header version |
||
8 | dd START ; entry point |
||
9 | dd I_END ; image size |
||
10 | dd I_END+0x10000 ; required memory |
||
11 | dd I_END+0x10000 ; esp |
||
12 | dd 0x0 , 0x0 ; I_Param , I_Path |
||
31 | halyavin | 13 | |
14 | include 'lang.inc' |
||
15 | include 'macros.inc' |
||
16 | |||
331 | heavyiron | 17 | START: ; start of execution |
18 | mov eax,40 ; Report events |
||
19 | mov ebx,10000111b ; Stack 8 + defaults |
||
31 | halyavin | 20 | int 0x40 |
21 | |||
22 | mov dword [prompt], p1 |
||
23 | mov dword [promptlen], p1len - p1 |
||
24 | |||
331 | heavyiron | 25 | call draw_window ; at first, draw the window |
31 | halyavin | 26 | |
27 | still: |
||
331 | heavyiron | 28 | mov eax,10 ; wait here for event |
31 | halyavin | 29 | int 0x40 |
30 | |||
331 | heavyiron | 31 | cmp eax,1 ; redraw request ? |
32 | jz red |
||
33 | cmp eax,2 ; key in buffer ? |
||
34 | jz key |
||
35 | cmp eax,3 ; button in buffer ? |
||
36 | jz button |
||
31 | halyavin | 37 | |
38 | jmp still |
||
39 | |||
331 | heavyiron | 40 | red: ; redraw |
31 | halyavin | 41 | call draw_window |
42 | jmp still |
||
43 | |||
331 | heavyiron | 44 | key: ; Keys are not valid at this part of the |
45 | mov eax,2 ; loop. Just read it and ignore |
||
31 | halyavin | 46 | int 0x40 |
47 | jmp still |
||
48 | |||
331 | heavyiron | 49 | button: ; button |
50 | mov eax,17 ; get id |
||
31 | halyavin | 51 | int 0x40 |
52 | |||
331 | heavyiron | 53 | cmp ah,1 ; button id=1 ? |
31 | halyavin | 54 | jnz noclose |
55 | |||
56 | |||
57 | ; close socket before exiting |
||
58 | mov eax, 53 |
||
59 | mov ebx, 1 |
||
60 | mov ecx, [socketNum] |
||
61 | int 0x40 |
||
62 | |||
63 | mov [socketNum], dword 0 |
||
64 | |||
65 | |||
331 | heavyiron | 66 | mov eax,0xffffffff ; close this program |
31 | halyavin | 67 | int 0x40 |
68 | |||
69 | noclose: |
||
331 | heavyiron | 70 | cmp ah,2 ; copy file to local machine? |
31 | halyavin | 71 | jnz nocopyl |
72 | |||
73 | mov dword [prompt], p5 |
||
74 | mov dword [promptlen], p5len - p5 |
||
331 | heavyiron | 75 | call draw_window ; |
31 | halyavin | 76 | |
77 | ; Copy File from Remote Host to this machine |
||
331 | heavyiron | 78 | call translateData ; Convert Filename & IP address |
31 | halyavin | 79 | mov edi, tftp_filename + 1 |
80 | mov [edi], byte 0x01 ; setup tftp msg |
||
81 | call copyFromRemote |
||
82 | |||
83 | jmp still |
||
84 | |||
85 | nocopyl: |
||
86 | |||
331 | heavyiron | 87 | cmp ah,3 ; Copy file to host? |
31 | halyavin | 88 | jnz nocopyh |
89 | |||
90 | mov dword [prompt], p5 |
||
91 | mov dword [promptlen], p5len - p5 |
||
331 | heavyiron | 92 | call draw_window ; |
31 | halyavin | 93 | |
94 | ; Copy File from this machine to Remote Host |
||
331 | heavyiron | 95 | call translateData ; Convert Filename & IP address |
31 | halyavin | 96 | mov edi, tftp_filename + 1 |
97 | mov [edi], byte 0x02 ; setup tftp msg |
||
98 | call copyToRemote |
||
99 | |||
100 | jmp still |
||
101 | |||
102 | nocopyh: |
||
103 | cmp ah,4 |
||
331 | heavyiron | 104 | jz f1 |
31 | halyavin | 105 | cmp ah,5 |
331 | heavyiron | 106 | jz f2 |
31 | halyavin | 107 | jmp nof12 |
108 | |||
109 | f1: |
||
110 | mov [addr],dword source |
||
111 | mov [ya],dword 35 |
||
112 | jmp rk |
||
113 | |||
114 | f2: |
||
115 | mov [addr],dword destination |
||
116 | mov [ya],dword 35+16 |
||
117 | |||
118 | rk: |
||
119 | mov ecx,15 |
||
120 | mov edi,[addr] |
||
121 | mov al,' ' |
||
122 | rep stosb |
||
123 | |||
124 | call print_text |
||
125 | |||
126 | mov edi,[addr] |
||
127 | |||
128 | f11: |
||
129 | mov eax,10 |
||
130 | int 0x40 |
||
131 | cmp eax,2 |
||
331 | heavyiron | 132 | jz fbu |
31 | halyavin | 133 | jmp still |
134 | fbu: |
||
135 | mov eax,2 |
||
136 | int 0x40 ; get key |
||
137 | shr eax,8 |
||
138 | cmp eax,8 |
||
139 | jnz nobs |
||
140 | cmp edi,[addr] |
||
331 | heavyiron | 141 | jz f11 |
31 | halyavin | 142 | sub edi,1 |
143 | mov [edi],byte ' ' |
||
144 | call print_text |
||
145 | jmp f11 |
||
146 | nobs: |
||
147 | cmp eax,dword 31 |
||
148 | jbe f11 |
||
149 | cmp eax,dword 95 |
||
331 | heavyiron | 150 | jb keyok |
31 | halyavin | 151 | sub eax,32 |
152 | keyok: |
||
153 | mov [edi],al |
||
154 | |||
155 | call print_text |
||
156 | |||
157 | add edi,1 |
||
158 | mov esi,[addr] |
||
159 | add esi,15 |
||
160 | cmp esi,edi |
||
161 | jnz f11 |
||
162 | |||
163 | jmp still |
||
164 | |||
165 | print_text: |
||
166 | |||
167 | mov eax,13 |
||
168 | mov ebx,103*65536+15*6 |
||
169 | mov ecx,[ya] |
||
170 | shl ecx,16 |
||
171 | mov cx,8 |
||
172 | mov edx,0x224466 |
||
173 | int 0x40 |
||
174 | |||
175 | mov eax,4 |
||
176 | mov ebx,103*65536 |
||
177 | add ebx,[ya] |
||
178 | mov ecx,0xffffff |
||
179 | mov edx,[addr] |
||
180 | mov esi,15 |
||
181 | int 0x40 |
||
182 | |||
183 | ret |
||
184 | |||
185 | |||
186 | nof12: |
||
187 | jmp still |
||
188 | |||
189 | |||
190 | ;*************************************************************************** |
||
191 | ; Function |
||
192 | ; translateData |
||
193 | ; |
||
194 | ; Description |
||
195 | ; Coverts the filename and IP address typed in by the user into |
||
196 | ; a format suitable for the IP layer. |
||
197 | ; |
||
198 | ; The filename, in source, is converted and stored in tftp_filename |
||
199 | ; The host ip, in destination, is converted and stored in tftp_IP |
||
200 | ; |
||
201 | ;*************************************************************************** |
||
202 | translateData: |
||
203 | |||
204 | ; first, build up the tftp command string. This includes the filename |
||
205 | ; and the transfer protocol |
||
206 | |||
207 | |||
208 | ; First, write 0,0 |
||
209 | mov al, 0 |
||
210 | mov edi, tftp_filename |
||
211 | mov [edi], al |
||
212 | inc edi |
||
213 | mov [edi], al |
||
214 | inc edi |
||
215 | |||
216 | ; Now, write the file name itself, and null terminate it |
||
217 | mov ecx, 15 |
||
218 | mov ah, ' ' |
||
219 | mov esi, source |
||
220 | |||
221 | td001: |
||
222 | lodsb |
||
223 | stosb |
||
224 | cmp al, ah |
||
225 | loopnz td001 |
||
226 | |||
227 | cmp al,ah ; Was the entire buffer full of characters? |
||
228 | jne td002 |
||
229 | dec edi ; No - so remove ' ' character |
||
230 | |||
231 | td002: |
||
232 | mov [edi], byte 0 |
||
233 | inc edi |
||
234 | mov [edi], byte 'O' |
||
235 | inc edi |
||
236 | mov [edi], byte 'C' |
||
237 | inc edi |
||
238 | mov [edi], byte 'T' |
||
239 | inc edi |
||
240 | mov [edi], byte 'E' |
||
241 | inc edi |
||
242 | mov [edi], byte 'T' |
||
243 | inc edi |
||
244 | mov [edi], byte 0 |
||
245 | |||
246 | mov esi, tftp_filename |
||
247 | sub edi, esi |
||
248 | mov [tftp_len], edi |
||
249 | |||
250 | |||
251 | ; Now, convert the typed IP address into a real address |
||
252 | ; No validation is done on the number entered |
||
253 | ; ip addresses must be typed in normally, eg |
||
254 | ; 192.1.45.24 |
||
255 | |||
256 | xor eax, eax |
||
257 | mov dh, 10 |
||
258 | mov dl, al |
||
259 | mov [tftp_IP], eax |
||
260 | |||
261 | ; 192.168.24.1 1.1.1.1 1. 9.2.3. |
||
262 | |||
263 | mov esi, destination |
||
264 | mov edi, tftp_IP |
||
265 | |||
266 | mov ecx, 4 |
||
267 | |||
268 | td003: |
||
269 | lodsb |
||
270 | sub al, '0' |
||
271 | add dl, al |
||
272 | lodsb |
||
273 | cmp al, '.' |
||
274 | je ipNext |
||
275 | cmp al, ' ' |
||
276 | je ipNext |
||
277 | mov dh, al |
||
278 | sub dh, '0' |
||
279 | mov al, 10 |
||
280 | mul dl |
||
281 | add al, dh |
||
282 | mov dl, al |
||
283 | lodsb |
||
284 | cmp al, '.' |
||
285 | je ipNext |
||
286 | cmp al, ' ' |
||
287 | je ipNext |
||
288 | mov dh, al |
||
289 | sub dh, '0' |
||
290 | mov al, 10 |
||
291 | mul dl |
||
292 | add al, dh |
||
293 | mov dl, al |
||
294 | lodsb |
||
295 | |||
296 | ipNext: |
||
297 | mov [edi], dl |
||
298 | inc edi |
||
299 | mov dl, 0 |
||
300 | loop td003 |
||
301 | |||
302 | ret |
||
303 | |||
304 | |||
305 | |||
306 | ;*************************************************************************** |
||
307 | ; Function |
||
308 | ; copyFromRemote |
||
309 | ; |
||
310 | ; Description |
||
311 | ; |
||
312 | ;*************************************************************************** |
||
313 | copyFromRemote: |
||
314 | xor eax, eax |
||
315 | mov [filesize], eax |
||
316 | mov eax, I_END + 512 ; This is the point where the file buffer is |
||
317 | mov [fileposition], eax |
||
318 | |||
319 | ; Get a random # for the local socket port # |
||
320 | mov eax, 3 |
||
331 | heavyiron | 321 | int 0x40 |
31 | halyavin | 322 | mov ecx, eax |
331 | heavyiron | 323 | shr ecx, 8 ; Set up the local port # with a random # |
31 | halyavin | 324 | |
325 | ; open socket |
||
326 | mov eax, 53 |
||
327 | mov ebx, 0 |
||
331 | heavyiron | 328 | mov edx, 69 ; remote port |
31 | halyavin | 329 | mov esi, [tftp_IP] ; remote IP ( in intenet format ) |
330 | int 0x40 |
||
331 | |||
331 | heavyiron | 332 | mov [socketNum], eax |
31 | halyavin | 333 | |
334 | ; make sure there is no data in the socket - there shouldn't be.. |
||
335 | |||
336 | cfr001: |
||
337 | mov eax, 53 |
||
338 | mov ebx, 3 |
||
339 | mov ecx, [socketNum] |
||
331 | heavyiron | 340 | int 0x40 ; read byte |
31 | halyavin | 341 | |
342 | mov eax, 53 |
||
343 | mov ebx, 2 |
||
344 | mov ecx, [socketNum] |
||
331 | heavyiron | 345 | int 0x40 ; any more data? |
31 | halyavin | 346 | |
347 | cmp eax, 0 |
||
331 | heavyiron | 348 | jne cfr001 ; yes, so get it |
31 | halyavin | 349 | |
350 | ; Now, request the file |
||
351 | mov eax, 53 |
||
352 | mov ebx, 4 |
||
353 | mov ecx, [socketNum] |
||
354 | mov edx, [tftp_len] |
||
355 | mov esi, tftp_filename |
||
356 | int 0x40 |
||
357 | |||
358 | cfr002: |
||
331 | heavyiron | 359 | mov eax,10 ; wait here for event |
31 | halyavin | 360 | int 0x40 |
361 | |||
331 | heavyiron | 362 | cmp eax,1 ; redraw request ? |
363 | je cfr003 |
||
364 | cmp eax,2 ; key in buffer ? |
||
365 | je cfr004 |
||
366 | cmp eax,3 ; button in buffer ? |
||
367 | je cfr005 |
||
31 | halyavin | 368 | |
369 | ; Any data to fetch? |
||
370 | mov eax, 53 |
||
371 | mov ebx, 2 |
||
372 | mov ecx, [socketNum] |
||
373 | int 0x40 |
||
374 | |||
375 | cmp eax, 0 |
||
376 | je cfr002 |
||
377 | |||
378 | push eax ; eax holds # chars |
||
379 | |||
380 | ; Update the text on the display - once |
||
381 | mov eax, [prompt] |
||
382 | cmp eax, p3 |
||
383 | je cfr008 |
||
384 | mov dword [prompt], p3 |
||
385 | mov dword [promptlen], p3len - p3 |
||
331 | heavyiron | 386 | call draw_window ; |
31 | halyavin | 387 | |
388 | cfr008: |
||
389 | ; we have data - this will be a tftp frame |
||
390 | |||
391 | ; read first two bytes - opcode |
||
392 | mov eax, 53 |
||
393 | mov ebx, 3 |
||
394 | mov ecx, [socketNum] |
||
331 | heavyiron | 395 | int 0x40 ; read byte |
31 | halyavin | 396 | |
397 | mov eax, 53 |
||
398 | mov ebx, 3 |
||
399 | mov ecx, [socketNum] |
||
331 | heavyiron | 400 | int 0x40 ; read byte |
31 | halyavin | 401 | |
402 | pop eax |
||
403 | ; bl holds tftp opcode. Can only be 3 (data) or 5 ( error ) |
||
404 | |||
405 | cmp bl, 3 |
||
406 | jne cfrerr |
||
407 | |||
408 | push eax |
||
409 | |||
410 | ; do data stuff. Read block #. Read data. Send Ack. |
||
411 | mov eax, 53 |
||
412 | mov ebx, 3 |
||
413 | mov ecx, [socketNum] |
||
331 | heavyiron | 414 | int 0x40 ; read byte |
31 | halyavin | 415 | |
416 | mov [blockNumber], bl |
||
417 | |||
418 | mov eax, 53 |
||
419 | mov ebx, 3 |
||
420 | mov ecx, [socketNum] |
||
421 | int 0x40 ; read byte |
||
422 | |||
423 | mov [blockNumber+1], bl |
||
424 | |||
425 | cfr007: |
||
426 | |||
427 | mov eax, 53 |
||
428 | mov ebx, 2 |
||
429 | mov ecx, [socketNum] |
||
430 | int 0x40 ; any more data? |
||
431 | |||
432 | cmp eax, 0 |
||
433 | je no_more_data ; no |
||
434 | |||
435 | mov eax, 53 |
||
436 | mov ebx, 3 |
||
437 | mov ecx, [socketNum] |
||
438 | int 0x40 ; read byte |
||
439 | |||
440 | mov esi, [fileposition] |
||
441 | mov [esi], bl |
||
442 | inc dword [fileposition] |
||
443 | inc dword [filesize] |
||
444 | |||
331 | heavyiron | 445 | jmp cfr007 |
31 | halyavin | 446 | |
447 | no_more_data: |
||
448 | |||
449 | ; write the block number into the ack |
||
450 | mov al, [blockNumber] |
||
451 | mov [ack + 2], al |
||
452 | |||
453 | mov al, [blockNumber+1] |
||
454 | mov [ack + 3], al |
||
455 | |||
456 | ; send an 'ack' |
||
457 | mov eax, 53 |
||
458 | mov ebx, 4 |
||
459 | mov ecx, [socketNum] |
||
460 | mov edx, ackLen - ack |
||
461 | mov esi, ack |
||
462 | int 0x40 |
||
463 | |||
464 | ; If # of chars in the frame is less that 516, |
||
465 | ; this frame is the last |
||
466 | pop eax |
||
467 | cmp eax, 516 |
||
468 | je cfr002 |
||
469 | |||
470 | ; Write the file |
||
471 | mov eax, 33 |
||
472 | mov ebx, source |
||
473 | mov edx, [filesize] |
||
474 | mov ecx, I_END + 512 |
||
475 | mov esi, 0 |
||
476 | int 0x40 |
||
477 | |||
478 | jmp cfrexit |
||
479 | |||
480 | cfrerr: |
||
481 | ; simple implementation on error - just read all data, and return |
||
482 | mov eax, 53 |
||
483 | mov ebx, 3 |
||
484 | mov ecx, [socketNum] |
||
331 | heavyiron | 485 | int 0x40 ; read byte |
31 | halyavin | 486 | |
487 | mov eax, 53 |
||
488 | mov ebx, 2 |
||
489 | mov ecx, [socketNum] |
||
331 | heavyiron | 490 | int 0x40 ; any more data? |
31 | halyavin | 491 | |
492 | cmp eax, 0 |
||
331 | heavyiron | 493 | jne cfrerr ; yes, so get it |
31 | halyavin | 494 | |
331 | heavyiron | 495 | jmp cfr006 ; close socket and close app |
31 | halyavin | 496 | |
331 | heavyiron | 497 | cfr003: ; redraw request |
31 | halyavin | 498 | call draw_window |
499 | jmp cfr002 |
||
500 | |||
331 | heavyiron | 501 | cfr004: ; key pressed |
502 | mov eax,2 ; just read it and ignore |
||
31 | halyavin | 503 | int 0x40 |
504 | jmp cfr002 |
||
505 | |||
331 | heavyiron | 506 | cfr005: ; button |
507 | mov eax,17 ; get id |
||
31 | halyavin | 508 | int 0x40 |
509 | |||
331 | heavyiron | 510 | cmp ah,1 ; button id=1 ? |
31 | halyavin | 511 | jne cfr002 ; If not, ignore. |
512 | |||
513 | cfr006: |
||
514 | ; close socket |
||
515 | mov eax, 53 |
||
516 | mov ebx, 1 |
||
517 | mov ecx, [socketNum] |
||
518 | int 0x40 |
||
519 | |||
520 | mov [socketNum], dword 0 |
||
521 | |||
331 | heavyiron | 522 | mov eax,-1 ; close this program |
31 | halyavin | 523 | int 0x40 |
524 | |||
525 | jmp $ |
||
526 | |||
527 | cfrexit: |
||
528 | ; close socket |
||
529 | mov eax, 53 |
||
530 | mov ebx, 1 |
||
531 | mov ecx, [socketNum] |
||
532 | int 0x40 |
||
533 | |||
534 | mov [socketNum], dword 0 |
||
535 | |||
536 | mov dword [prompt], p4 |
||
537 | mov dword [promptlen], p4len - p4 |
||
331 | heavyiron | 538 | call draw_window ; |
31 | halyavin | 539 | |
540 | ret |
||
541 | |||
542 | |||
543 | |||
544 | ;*************************************************************************** |
||
545 | ; Function |
||
546 | ; copyToRemote |
||
547 | ; |
||
548 | ; Description |
||
549 | ; |
||
550 | ;*************************************************************************** |
||
551 | copyToRemote: |
||
552 | mov eax,6 ; Read file from floppy (image) |
||
553 | mov ebx,source |
||
554 | mov ecx,0 |
||
555 | mov edx,0xffffffff |
||
556 | mov esi,I_END + 512 |
||
557 | int 0x40 |
||
558 | |||
559 | cmp eax,0xffffffff |
||
560 | jnz filefound |
||
561 | |||
562 | mov dword [prompt], p6 |
||
563 | mov dword [promptlen], p6len - p6 |
||
331 | heavyiron | 564 | call draw_window ; |
31 | halyavin | 565 | jmp ctr_exit |
566 | |||
567 | filefound: |
||
568 | mov [filesize], eax |
||
569 | |||
570 | ; First, set up the file pointers |
||
571 | mov eax, 0x01000300 |
||
572 | mov [blockBuffer], eax ; This makes sure our TFTP header is valid |
||
573 | |||
574 | mov eax, I_END + 512 ; This is the point where the file buffer is |
||
575 | mov [fileposition], eax |
||
576 | |||
577 | mov eax, [filesize] |
||
578 | cmp eax, 512 |
||
579 | jb ctr000 |
||
580 | mov eax, 512 |
||
581 | ctr000: |
||
582 | mov [fileblocksize], ax |
||
583 | |||
584 | ; Get a random # for the local socket port # |
||
585 | mov eax, 3 |
||
331 | heavyiron | 586 | int 0x40 |
31 | halyavin | 587 | mov ecx, eax |
331 | heavyiron | 588 | shr ecx, 8 ; Set up the local port # with a random # |
31 | halyavin | 589 | |
590 | ; First, open socket |
||
591 | mov eax, 53 |
||
592 | mov ebx, 0 |
||
331 | heavyiron | 593 | mov edx, 69 ; remote port |
31 | halyavin | 594 | mov esi, [tftp_IP] |
595 | int 0x40 |
||
596 | |||
331 | heavyiron | 597 | mov [socketNum], eax |
31 | halyavin | 598 | |
599 | ; write to socket ( request write file ) |
||
600 | mov eax, 53 |
||
601 | mov ebx, 4 |
||
602 | mov ecx, [socketNum] |
||
603 | mov edx, [tftp_len] |
||
604 | mov esi, tftp_filename |
||
605 | int 0x40 |
||
606 | |||
607 | ; now, we wait for |
||
608 | ; UI redraw |
||
609 | ; UI close |
||
610 | ; or data from remote |
||
611 | |||
612 | ctr001: |
||
331 | heavyiron | 613 | mov eax,10 ; wait here for event |
31 | halyavin | 614 | int 0x40 |
615 | |||
331 | heavyiron | 616 | cmp eax,1 ; redraw request ? |
617 | je ctr003 |
||
618 | cmp eax,2 ; key in buffer ? |
||
619 | je ctr004 |
||
620 | cmp eax,3 ; button in buffer ? |
||
621 | je ctr005 |
||
31 | halyavin | 622 | |
623 | |||
624 | ; Any data in the UDP receive buffer? |
||
625 | mov eax, 53 |
||
626 | mov ebx, 2 |
||
627 | mov ecx, [socketNum] |
||
628 | int 0x40 |
||
629 | |||
630 | cmp eax, 0 |
||
631 | je ctr001 |
||
632 | |||
633 | ; Update the text on the display - once |
||
634 | mov eax, [prompt] |
||
635 | cmp eax, p2 |
||
636 | je ctr002 |
||
637 | |||
638 | mov dword [prompt], p2 |
||
639 | mov dword [promptlen], p2len - p2 |
||
331 | heavyiron | 640 | call draw_window ; |
31 | halyavin | 641 | |
642 | ; we have data - this will be the ack |
||
643 | ctr002: |
||
644 | mov eax, 53 |
||
645 | mov ebx, 3 |
||
646 | mov ecx, [socketNum] |
||
331 | heavyiron | 647 | int 0x40 ; read byte - opcode |
31 | halyavin | 648 | |
649 | mov eax, 53 |
||
650 | mov ebx, 3 |
||
651 | mov ecx, [socketNum] |
||
331 | heavyiron | 652 | int 0x40 ; read byte - opcode |
31 | halyavin | 653 | |
654 | mov eax, 53 |
||
655 | mov ebx, 3 |
||
656 | mov ecx, [socketNum] |
||
331 | heavyiron | 657 | int 0x40 ; read byte - block (high byte) |
31 | halyavin | 658 | |
659 | mov [blockNumber], bl |
||
660 | |||
661 | mov eax, 53 |
||
662 | mov ebx, 3 |
||
663 | mov ecx, [socketNum] |
||
331 | heavyiron | 664 | int 0x40 ; read byte - block (low byte ) |
31 | halyavin | 665 | |
666 | mov [blockNumber+1], bl |
||
667 | |||
668 | ctr0022: |
||
669 | mov eax, 53 |
||
670 | mov ebx, 3 |
||
671 | mov ecx, [socketNum] |
||
331 | heavyiron | 672 | int 0x40 ; read byte (shouldn't have worked) |
31 | halyavin | 673 | |
674 | |||
675 | mov eax, 53 |
||
676 | mov ebx, 2 |
||
677 | mov ecx, [socketNum] |
||
331 | heavyiron | 678 | int 0x40 ; any more data? |
31 | halyavin | 679 | |
680 | cmp eax, 0 |
||
681 | jne ctr0022 ; yes, so get it, and dump it |
||
682 | |||
683 | ; If the ack is 0, it is to the request |
||
684 | |||
685 | mov bx, [blockNumber] |
||
686 | cmp bx, 0 |
||
687 | je txd |
||
688 | |||
689 | ; now, the ack should be one more than the current field - otherwise, resend |
||
690 | |||
691 | cmp bx, [blockBuffer+2] |
||
692 | jne txre ; not the same, so send again |
||
693 | |||
694 | ; update the block number |
||
695 | mov esi, blockBuffer + 3 |
||
696 | mov al, [esi] |
||
697 | inc al |
||
698 | mov [esi], al |
||
699 | cmp al, 0 |
||
700 | jne ctr008 |
||
701 | dec esi |
||
331 | heavyiron | 702 | inc byte [esi] |
31 | halyavin | 703 | |
704 | ctr008: |
||
705 | ; Move forward through the file |
||
706 | mov eax, [fileposition] |
||
707 | movzx ebx, word [fileblocksize] |
||
708 | add eax, ebx |
||
709 | mov [fileposition], eax |
||
710 | |||
711 | ; new .. |
||
712 | ; fs = 0 , fbs = 512 -> send with fbs = 0 |
||
713 | |||
714 | cmp [filesize],0 |
||
715 | jne no_special_end |
||
716 | cmp [fileblocksize],512 |
||
717 | jne no_special_end |
||
718 | mov ax,0 |
||
719 | jmp ctr006 |
||
720 | no_special_end: |
||
721 | |||
722 | mov eax, [filesize] |
||
723 | cmp eax, 0 |
||
724 | je ctr009 |
||
725 | cmp eax, 512 |
||
726 | jb ctr006 |
||
727 | mov eax, 512 |
||
728 | ctr006: |
||
729 | mov [fileblocksize], ax |
||
730 | |||
731 | |||
732 | txd: |
||
733 | ; Readjust the file size variable ( before sending ) |
||
734 | mov eax, [filesize] |
||
735 | movzx ebx, word [fileblocksize] |
||
736 | sub eax, ebx |
||
737 | mov [filesize], eax |
||
738 | |||
739 | txre: |
||
740 | ; Copy the fragment of the file to the block buffer |
||
741 | movzx ecx, word [fileblocksize] |
||
742 | mov esi, [fileposition] |
||
743 | mov edi, I_END |
||
744 | cld |
||
745 | rep movsb |
||
746 | |||
747 | ; send the file data |
||
748 | mov eax, 53 |
||
749 | mov ebx, 4 |
||
750 | mov ecx, [socketNum] |
||
751 | movzx edx, word [fileblocksize] |
||
752 | add edx, 4 |
||
753 | mov esi, blockBuffer |
||
754 | int 0x40 |
||
755 | |||
756 | jmp ctr001 |
||
757 | |||
331 | heavyiron | 758 | ctr003: ; redraw |
31 | halyavin | 759 | call draw_window |
760 | jmp ctr001 |
||
761 | |||
331 | heavyiron | 762 | ctr004: ; key |
763 | mov eax,2 ; just read it and ignore |
||
31 | halyavin | 764 | int 0x40 |
765 | jmp ctr001 |
||
766 | |||
331 | heavyiron | 767 | ctr005: ; button |
768 | mov eax,17 ; get id |
||
31 | halyavin | 769 | int 0x40 |
770 | |||
331 | heavyiron | 771 | cmp ah,1 ; button id=1 ? |
31 | halyavin | 772 | jne ctr001 |
773 | |||
774 | ; close socket |
||
775 | mov eax, 53 |
||
776 | mov ebx, 1 |
||
777 | mov ecx, [socketNum] |
||
778 | int 0x40 |
||
779 | |||
780 | mov [socketNum], dword 0 |
||
781 | |||
331 | heavyiron | 782 | mov eax,-1 ; close this program |
31 | halyavin | 783 | int 0x40 |
784 | jmp $ |
||
785 | |||
786 | ctr009: |
||
787 | ; close socket |
||
788 | mov eax, 53 |
||
789 | mov ebx, 1 |
||
790 | mov ecx, [socketNum] |
||
791 | int 0x40 |
||
792 | |||
793 | mov dword [prompt], p4 |
||
794 | mov dword [promptlen], p4len - p4 |
||
331 | heavyiron | 795 | call draw_window ; |
31 | halyavin | 796 | |
797 | ctr_exit: |
||
798 | ret |
||
799 | |||
800 | |||
801 | |||
802 | |||
803 | ; ********************************************* |
||
804 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
||
805 | ; ********************************************* |
||
806 | |||
807 | |||
808 | draw_window: |
||
809 | |||
331 | heavyiron | 810 | mov eax,12 ; function 12:tell os about windowdraw |
811 | mov ebx,1 ; 1, start of draw |
||
31 | halyavin | 812 | int 0x40 |
813 | |||
331 | heavyiron | 814 | ; DRAW WINDOW |
815 | mov eax,0 ; function 0 : define and draw window |
||
816 | mov ebx,100*65536+230 ; [x start] *65536 + [x size] |
||
817 | mov ecx,100*65536+170 ; [y start] *65536 + [y size] |
||
818 | mov edx,0x13224466 ; color of work area RRGGBB |
||
819 | mov edi,labelt |
||
31 | halyavin | 820 | int 0x40 |
821 | |||
331 | heavyiron | 822 | mov eax,8 ; COPY BUTTON |
31 | halyavin | 823 | mov ebx,20*65536+190 |
824 | mov ecx,79*65536+15 |
||
825 | mov edx,2 |
||
826 | mov esi,0x557799 |
||
827 | int 0x40 |
||
828 | |||
331 | heavyiron | 829 | mov eax,8 ; DELETE BUTTON |
31 | halyavin | 830 | mov ebx,20*65536+190 |
831 | mov ecx,111*65536+15 |
||
832 | mov edx,3 |
||
833 | mov esi,0x557799 |
||
834 | int 0x40 |
||
835 | |||
836 | mov eax,8 |
||
837 | mov ebx,200*65536+10 |
||
838 | mov ecx,34*65536+10 |
||
839 | mov edx,4 |
||
840 | mov esi,0x557799 |
||
841 | int 0x40 |
||
842 | |||
843 | mov eax,8 |
||
844 | mov ebx,200*65536+10 |
||
845 | mov ecx,50*65536+10 |
||
846 | mov edx,5 |
||
847 | mov esi,0x557799 |
||
848 | int 0x40 |
||
849 | |||
850 | |||
851 | ; Copy the file name to the screen buffer |
||
852 | ; file name is same length as IP address, to |
||
853 | ; make the math easier later. |
||
854 | cld |
||
855 | mov esi,source |
||
856 | mov edi,text+13 |
||
857 | mov ecx,15 |
||
858 | rep movsb |
||
859 | |||
860 | |||
861 | ; copy the IP address to the screen buffer |
||
862 | mov esi,destination |
||
863 | mov edi,text+40+13 |
||
864 | mov ecx,15 |
||
865 | rep movsb |
||
866 | |||
867 | ; copy the prompt to the screen buffer |
||
868 | mov esi,[prompt] |
||
869 | mov edi,text+280 |
||
870 | mov ecx,[promptlen] |
||
871 | rep movsb |
||
872 | |||
873 | ; Re-draw the screen text |
||
874 | cld |
||
331 | heavyiron | 875 | mov ebx,25*65536+35 ; draw info text with function 4 |
31 | halyavin | 876 | mov ecx,0xffffff |
877 | mov edx,text |
||
878 | mov esi,40 |
||
879 | newline: |
||
880 | mov eax,4 |
||
881 | int 0x40 |
||
882 | add ebx,16 |
||
883 | add edx,40 |
||
884 | cmp [edx],byte 'x' |
||
885 | jnz newline |
||
886 | |||
887 | |||
331 | heavyiron | 888 | mov eax,12 ; function 12:tell os about windowdraw |
889 | mov ebx,2 ; 2, end of draw |
||
31 | halyavin | 890 | int 0x40 |
891 | |||
892 | ret |
||
893 | |||
894 | |||
895 | ; DATA AREA |
||
896 | |||
331 | heavyiron | 897 | source db 'KERNEL.ASM ' |
31 | halyavin | 898 | destination db '192.168.1.23 ' |
899 | |||
900 | |||
331 | heavyiron | 901 | tftp_filename: times 15 + 9 db 0 |
31 | halyavin | 902 | tftp_IP: dd 0 |
903 | tftp_len: dd 0 |
||
904 | |||
905 | addr dd 0x0 |
||
906 | ya dd 0x0 |
||
907 | |||
908 | fileposition dd 0 ; Points to the current point in the file |
||
909 | filesize dd 0 ; The number of bytes written / left to write |
||
910 | fileblocksize dw 0 ; The number of bytes to send in this frame |
||
911 | |||
912 | text: |
||
913 | db 'SOURCE FILE: xxxxxxxxxxxxxxx ' |
||
914 | db 'HOST IP ADD: xxx.xxx.xxx.xxx ' |
||
915 | db ' ' |
||
916 | db ' COPY HOST -> LOCAL ' |
||
917 | db ' ' |
||
918 | db ' COPY LOCAL -> HOST ' |
||
919 | db ' ' |
||
920 | db ' ' |
||
331 | heavyiron | 921 | db 'x' ; <- END MARKER, DONT DELETE |
31 | halyavin | 922 | |
923 | |||
331 | heavyiron | 924 | labelt db 'TFTP Client',0 |
31 | halyavin | 925 | |
926 | prompt: dd 0 |
||
927 | promptlen: dd 0 |
||
928 | |||
929 | |||
930 | p1: db 'Waiting for Command' |
||
931 | p1len: |
||
932 | |||
933 | p2: db 'Sending File ' |
||
934 | p2len: |
||
935 | |||
936 | p3: db 'Receiving File ' |
||
937 | p3len: |
||
938 | |||
939 | p4: db 'Tranfer Complete ' |
||
940 | p4len: |
||
941 | |||
942 | p5: db 'Contacting Host... ' |
||
943 | p5len: |
||
944 | |||
945 | p6: db 'File not found. ' |
||
946 | p6len: |
||
947 | |||
948 | ack: |
||
949 | db 00,04,0,1 |
||
950 | ackLen: |
||
951 | |||
952 | socketNum: |
||
953 | dd 0 |
||
954 | |||
955 | blockNumber: |
||
956 | dw 0 |
||
957 | |||
958 | ; This must be the last part of the file, because the blockBuffer |
||
959 | ; continues at I_END. |
||
960 | blockBuffer: |
||
961 | db 00, 03, 00, 01 |
||
962 | I_END:-> |
||
963 |