Rev 3556 | Rev 3600 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
||
4 | ;; Distributed under terms of the GNU General Public License ;; |
||
5 | ;; ;; |
||
6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
||
7 | ;; ;; |
||
8 | ;; Written by hidnplayr@kolibrios.org, ;; |
||
9 | ;; and Clevermouse. ;; |
||
10 | ;; ;; |
||
11 | ;; Based on code by mike.dld ;; |
||
12 | ;; ;; |
||
13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
||
14 | ;; Version 2, June 1991 ;; |
||
15 | ;; ;; |
||
16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
17 | |||
18 | $Revision: 3514 $ |
||
19 | |||
20 | |||
21 | struct SOCKET |
||
22 | |||
23 | NextPtr dd ? ; pointer to next socket in list |
||
24 | PrevPtr dd ? ; pointer to previous socket in list |
||
25 | Number dd ? ; socket number |
||
26 | |||
27 | mutex MUTEX |
||
28 | |||
29 | PID dd ? ; process ID |
||
30 | TID dd ? ; thread ID |
||
31 | Domain dd ? ; INET/LOCAL/.. |
||
32 | Type dd ? ; RAW/STREAM/DGRAP |
||
33 | Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP |
||
34 | errorcode dd ? |
||
35 | device dd ? ; driver pointer, socket pointer if it's an LOCAL socket |
||
36 | |||
37 | options dd ? |
||
38 | state dd ? |
||
39 | backlog dw ? ; how many incoming connections that can be queued |
||
40 | |||
41 | snd_proc dd ? |
||
42 | rcv_proc dd ? |
||
43 | |||
44 | ends |
||
45 | |||
46 | struct IP_SOCKET SOCKET |
||
47 | |||
48 | LocalIP rd 4 ; network byte order |
||
49 | RemoteIP rd 4 ; network byte order |
||
50 | |||
51 | ends |
||
52 | |||
53 | struct TCP_SOCKET IP_SOCKET |
||
54 | |||
55 | LocalPort dw ? ; network byte order |
||
56 | RemotePort dw ? ; network byte order |
||
57 | |||
58 | t_state dd ? ; TCB state |
||
59 | t_rxtshift db ? |
||
60 | rb 3 ; align |
||
61 | t_rxtcur dd ? |
||
62 | t_dupacks dd ? |
||
63 | t_maxseg dd ? |
||
64 | t_force dd ? |
||
65 | t_flags dd ? |
||
66 | |||
67 | ;--------------- |
||
68 | ; RFC783 page 21 |
||
69 | |||
70 | ; send sequence |
||
71 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
||
72 | SND_NXT dd ? ; next send sequence number to use |
||
73 | SND_UP dd ? ; urgent pointer |
||
74 | SND_WL1 dd ? ; window minus one |
||
75 | SND_WL2 dd ? ; |
||
76 | ISS dd ? ; initial send sequence number |
||
77 | SND_WND dd ? ; send window |
||
78 | |||
79 | ; receive sequence |
||
80 | RCV_WND dd ? ; receive window |
||
81 | RCV_NXT dd ? ; next receive sequence number to use |
||
82 | RCV_UP dd ? ; urgent pointer |
||
83 | IRS dd ? ; initial receive sequence number |
||
84 | |||
85 | ;--------------------- |
||
86 | ; Additional variables |
||
87 | |||
88 | ; receive variables |
||
89 | RCV_ADV dd ? |
||
90 | |||
91 | ; retransmit variables |
||
92 | SND_MAX dd ? |
||
93 | |||
94 | ; congestion control |
||
95 | SND_CWND dd ? |
||
96 | SND_SSTHRESH dd ? |
||
97 | |||
98 | ;---------------------- |
||
99 | ; Transmit timing stuff |
||
100 | t_idle dd ? |
||
101 | t_rtt dd ? |
||
102 | t_rtseq dd ? |
||
103 | t_srtt dd ? |
||
104 | t_rttvar dd ? |
||
105 | t_rttmin dd ? |
||
106 | max_sndwnd dd ? |
||
107 | |||
108 | ;----------------- |
||
109 | ; Out-of-band data |
||
110 | t_oobflags dd ? |
||
111 | t_iobc dd ? |
||
112 | t_softerror dd ? |
||
113 | |||
114 | |||
115 | ;--------- |
||
116 | ; RFC 1323 ; the order of next 4 elements may not change |
||
117 | |||
118 | SND_SCALE db ? |
||
119 | RCV_SCALE db ? |
||
120 | requested_s_scale db ? |
||
121 | request_r_scale db ? |
||
122 | |||
123 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
||
124 | ts_recent_age dd ? |
||
125 | last_ack_sent dd ? |
||
126 | |||
127 | |||
128 | ;------- |
||
129 | ; Timers |
||
130 | timer_retransmission dd ? ; rexmt |
||
131 | timer_persist dd ? |
||
132 | timer_keepalive dd ? ; keepalive/syn timeout |
||
133 | timer_timed_wait dd ? ; also used as 2msl timer |
||
134 | |||
135 | ; extra |
||
136 | |||
137 | ts_ecr dd ? ; timestamp echo reply |
||
138 | ts_val dd ? |
||
139 | |||
140 | seg_next dd ? ; re-assembly queue |
||
141 | |||
142 | temp_bits db ? |
||
143 | rb 3 ; align |
||
144 | |||
145 | ends |
||
146 | |||
147 | struct UDP_SOCKET IP_SOCKET |
||
148 | |||
149 | LocalPort dw ? ; network byte order |
||
150 | RemotePort dw ? ; network byte order |
||
151 | firstpacket db ? |
||
152 | |||
153 | ends |
||
154 | |||
155 | |||
156 | struct ICMP_SOCKET IP_SOCKET |
||
157 | |||
158 | Identifier dw ? |
||
159 | |||
160 | ends |
||
161 | |||
162 | |||
163 | struct RING_BUFFER |
||
164 | |||
165 | mutex MUTEX |
||
166 | start_ptr dd ? ; Pointer to start of buffer |
||
167 | end_ptr dd ? ; pointer to end of buffer |
||
168 | read_ptr dd ? ; Read pointer |
||
169 | write_ptr dd ? ; Write pointer |
||
170 | size dd ? ; Number of bytes buffered |
||
171 | |||
172 | ends |
||
173 | |||
174 | struct STREAM_SOCKET TCP_SOCKET |
||
175 | |||
176 | rcv RING_BUFFER |
||
177 | snd RING_BUFFER |
||
178 | |||
179 | ends |
||
180 | |||
181 | struct socket_queue_entry |
||
182 | |||
183 | data_ptr dd ? |
||
184 | buf_ptr dd ? |
||
185 | data_size dd ? |
||
186 | |||
187 | ends |
||
188 | |||
189 | |||
190 | SOCKETBUFFSIZE = 4096 ; in bytes |
||
191 | |||
192 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
||
193 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
||
194 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
||
195 | |||
196 | uglobal |
||
197 | net_sockets rd 4 |
||
198 | last_socket_num dd ? |
||
199 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
||
200 | last_TCP_port dw ? ; |
||
201 | endg |
||
202 | |||
203 | |||
204 | ;----------------------------------------------------------------- |
||
205 | ; |
||
206 | ; SOCKET_init |
||
207 | ; |
||
208 | ;----------------------------------------------------------------- |
||
209 | macro SOCKET_init { |
||
210 | |||
211 | xor eax, eax |
||
212 | mov edi, net_sockets |
||
213 | mov ecx, 5 |
||
214 | rep stosd |
||
215 | |||
216 | @@: |
||
217 | pseudo_random eax |
||
218 | cmp ax, MIN_EPHEMERAL_PORT |
||
219 | jb @r |
||
220 | cmp ax, MAX_EPHEMERAL_PORT |
||
221 | ja @r |
||
222 | xchg al, ah |
||
223 | mov [last_UDP_port], ax |
||
224 | |||
225 | @@: |
||
226 | pseudo_random eax |
||
227 | cmp ax, MIN_EPHEMERAL_PORT |
||
228 | jb @r |
||
229 | cmp ax, MAX_EPHEMERAL_PORT |
||
230 | ja @r |
||
231 | xchg al, ah |
||
232 | mov [last_TCP_port], ax |
||
233 | |||
234 | } |
||
235 | |||
236 | ;----------------------------------------------------------------- |
||
237 | ; |
||
238 | ; Socket API (function 74) |
||
239 | ; |
||
240 | ;----------------------------------------------------------------- |
||
241 | align 4 |
||
242 | sys_socket: |
||
243 | |||
244 | cmp ebx, 255 |
||
245 | jz SOCKET_debug |
||
246 | |||
247 | cmp ebx, .number |
||
248 | ja s_error |
||
249 | jmp dword [.table + 4*ebx] |
||
250 | |||
251 | .table: |
||
252 | dd SOCKET_open ; 0 |
||
253 | dd SOCKET_close ; 1 |
||
254 | dd SOCKET_bind ; 2 |
||
255 | dd SOCKET_listen ; 3 |
||
256 | dd SOCKET_connect ; 4 |
||
257 | dd SOCKET_accept ; 5 |
||
258 | dd SOCKET_send ; 6 |
||
259 | dd SOCKET_receive ; 7 |
||
260 | dd SOCKET_set_opt ; 8 |
||
261 | dd SOCKET_get_opt ; 9 |
||
262 | dd SOCKET_pair ; 10 |
||
263 | .number = ($ - .table) / 4 - 1 |
||
264 | |||
265 | s_error: |
||
3556 | hidnplayr | 266 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET: error\n" |
3545 | hidnplayr | 267 | mov dword [esp+32], -1 |
268 | |||
269 | ret |
||
270 | |||
271 | ;----------------------------------------------------------------- |
||
272 | ; |
||
273 | ; SOCKET_open |
||
274 | ; |
||
275 | ; IN: domain in ecx |
||
276 | ; type in edx |
||
277 | ; protocol in esi |
||
278 | ; OUT: eax is socket num, -1 on error |
||
279 | ; |
||
280 | ;----------------------------------------------------------------- |
||
281 | align 4 |
||
282 | SOCKET_open: |
||
283 | |||
3556 | hidnplayr | 284 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 285 | |
286 | push ecx edx esi |
||
287 | call SOCKET_alloc |
||
288 | pop esi edx ecx |
||
289 | jz s_error |
||
290 | |||
291 | mov [esp+32], edi ; return socketnumber |
||
3556 | hidnplayr | 292 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 293 | |
294 | ; push edx |
||
295 | ; and edx, SO_NONBLOCK |
||
296 | or [eax + SOCKET.options], SO_NONBLOCK ;edx |
||
297 | ; pop edx |
||
298 | ; and edx, not SO_NONBLOCK |
||
299 | |||
300 | mov [eax + SOCKET.Domain], ecx |
||
301 | mov [eax + SOCKET.Type], edx |
||
302 | mov [eax + SOCKET.Protocol], esi |
||
303 | |||
304 | cmp ecx, AF_INET4 |
||
305 | jne .no_inet4 |
||
306 | |||
307 | cmp edx, SOCK_DGRAM |
||
308 | je .udp |
||
309 | |||
310 | cmp edx, SOCK_STREAM |
||
311 | je .tcp |
||
312 | |||
313 | cmp edx, SOCK_RAW |
||
314 | je .raw |
||
315 | |||
316 | .no_inet4: |
||
317 | cmp ecx, AF_PPP |
||
318 | jne .no_ppp |
||
319 | |||
320 | cmp esi, PPP_PROTO_ETHERNET |
||
321 | je .pppoe |
||
322 | |||
323 | .no_ppp: |
||
3556 | hidnplayr | 324 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_open: Unknown socket family/protocol\n" |
3545 | hidnplayr | 325 | ret |
326 | |||
327 | align 4 |
||
328 | .raw: |
||
329 | test esi, esi ; IP_PROTO_IP |
||
330 | jz .ip |
||
331 | |||
332 | cmp esi, IP_PROTO_ICMP |
||
333 | je .icmp |
||
334 | |||
335 | cmp esi, IP_PROTO_UDP |
||
336 | je .udp |
||
337 | |||
338 | cmp esi, IP_PROTO_TCP |
||
339 | je .tcp |
||
340 | |||
341 | ret |
||
342 | |||
343 | align 4 |
||
344 | .udp: |
||
345 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
346 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
||
347 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
348 | ret |
||
349 | |||
350 | align 4 |
||
351 | .tcp: |
||
352 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
353 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
||
354 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
355 | |||
356 | TCP_init_socket eax |
||
357 | ret |
||
358 | |||
359 | |||
360 | align 4 |
||
361 | .ip: |
||
362 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
||
363 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
364 | ret |
||
365 | |||
366 | |||
367 | align 4 |
||
368 | .icmp: |
||
369 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
||
370 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
371 | ret |
||
372 | |||
373 | align 4 |
||
374 | .pppoe: |
||
375 | push eax |
||
376 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
377 | pop eax |
||
378 | |||
379 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
||
380 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
381 | ret |
||
382 | |||
383 | |||
384 | ;----------------------------------------------------------------- |
||
385 | ; |
||
386 | ; SOCKET_bind |
||
387 | ; |
||
388 | ; IN: socket number in ecx |
||
389 | ; pointer to sockaddr struct in edx |
||
390 | ; length of that struct in esi |
||
391 | ; OUT: 0 on success |
||
392 | ; |
||
393 | ;----------------------------------------------------------------- |
||
394 | align 4 |
||
395 | SOCKET_bind: |
||
396 | |||
3556 | hidnplayr | 397 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 398 | |
399 | call SOCKET_num_to_ptr |
||
400 | jz s_error |
||
401 | |||
402 | cmp esi, 2 |
||
403 | jb s_error |
||
404 | |||
405 | cmp word [edx], AF_INET4 |
||
406 | je .af_inet4 |
||
407 | |||
408 | cmp word [edx], AF_LOCAL |
||
409 | je .af_local |
||
410 | |||
411 | jmp s_error |
||
412 | |||
413 | .af_local: |
||
414 | ; TODO: write code here |
||
415 | |||
416 | mov dword [esp+32], 0 |
||
417 | ret |
||
418 | |||
419 | .af_inet4: |
||
420 | |||
421 | cmp esi, 6 |
||
422 | jb s_error |
||
423 | |||
424 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
425 | je .udp |
||
426 | |||
427 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
428 | je .tcp |
||
429 | |||
430 | jmp s_error |
||
431 | |||
432 | .tcp: |
||
433 | .udp: |
||
434 | |||
435 | mov ebx, [edx + 4] ; First, fill in the IP |
||
436 | test ebx, ebx ; If IP is 0, use default |
||
437 | jnz @f |
||
438 | mov ebx, [NET_DEFAULT] |
||
439 | mov ebx, [IP_LIST + 4*ebx] |
||
440 | @@: |
||
441 | mov [eax + IP_SOCKET.LocalIP], ebx |
||
442 | |||
443 | mov bx, [edx + 2] ; Now fill in the local port if it's still available |
||
444 | call SOCKET_check_port |
||
445 | jz s_error ; ZF is set by socket_check_port, on error |
||
446 | |||
3556 | hidnplayr | 447 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 448 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
449 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
450 | |||
451 | mov dword [esp+32], 0 |
||
452 | ret |
||
453 | |||
454 | |||
455 | |||
456 | |||
457 | ;----------------------------------------------------------------- |
||
458 | ; |
||
459 | ; SOCKET_connect |
||
460 | ; |
||
461 | ; IN: socket number in ecx |
||
462 | ; pointer to sockaddr struct in edx |
||
463 | ; length of that struct in esi |
||
464 | ; OUT: 0 on success |
||
465 | ; |
||
466 | ;----------------------------------------------------------------- |
||
467 | align 4 |
||
468 | SOCKET_connect: |
||
469 | |||
3556 | hidnplayr | 470 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 471 | |
472 | call SOCKET_num_to_ptr |
||
473 | jz s_error |
||
474 | |||
475 | cmp esi, 8 |
||
476 | jb s_error |
||
477 | |||
478 | cmp word [edx], AF_INET4 |
||
479 | je .af_inet4 |
||
480 | |||
481 | jmp s_error |
||
482 | |||
483 | .af_inet4: |
||
484 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
485 | jne @f |
||
486 | push [IP_LIST] ; FIXME |
||
487 | pop [eax + IP_SOCKET.LocalIP] |
||
488 | @@: |
||
489 | |||
490 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
491 | je .udp |
||
492 | |||
493 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
494 | je .tcp |
||
495 | |||
496 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
||
497 | je .ip |
||
498 | |||
499 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
||
500 | je .ip |
||
501 | |||
502 | jmp s_error |
||
503 | |||
504 | align 4 |
||
505 | .udp: |
||
506 | pusha |
||
507 | lea ecx, [eax + SOCKET.mutex] |
||
508 | call mutex_lock |
||
509 | popa |
||
510 | |||
511 | pushw [edx + 2] |
||
512 | pop [eax + UDP_SOCKET.RemotePort] |
||
513 | |||
514 | pushd [edx + 4] |
||
515 | pop [eax + IP_SOCKET.RemoteIP] |
||
516 | |||
517 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
||
518 | jne @f |
||
519 | call SOCKET_find_port |
||
520 | @@: |
||
521 | |||
522 | mov [eax + UDP_SOCKET.firstpacket], 0 |
||
523 | |||
524 | push eax |
||
525 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
526 | pop eax |
||
527 | |||
528 | lea ecx, [eax + SOCKET.mutex] |
||
529 | call mutex_unlock |
||
530 | |||
531 | mov dword [esp+32], 0 |
||
532 | ret |
||
533 | |||
534 | align 4 |
||
535 | .tcp: |
||
536 | pusha |
||
537 | lea ecx, [eax + SOCKET.mutex] |
||
538 | call mutex_lock |
||
539 | popa |
||
540 | |||
541 | pushw [edx + 2] |
||
542 | pop [eax + TCP_SOCKET.RemotePort] |
||
543 | |||
544 | pushd [edx + 4] |
||
545 | pop [eax + IP_SOCKET.RemoteIP] |
||
546 | |||
547 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
548 | jne @f |
||
549 | call SOCKET_find_port |
||
550 | @@: |
||
551 | |||
552 | mov [eax + TCP_SOCKET.timer_persist], 0 |
||
553 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
554 | |||
555 | push [TCP_sequence_num] |
||
556 | add [TCP_sequence_num], 6400 |
||
557 | pop [eax + TCP_SOCKET.ISS] |
||
558 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
559 | |||
560 | |||
561 | TCP_sendseqinit eax |
||
562 | |||
563 | ; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer |
||
564 | |||
565 | mov ebx, eax |
||
566 | |||
567 | lea eax, [ebx + STREAM_SOCKET.snd] |
||
568 | call SOCKET_ring_create |
||
569 | |||
570 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
571 | call SOCKET_ring_create |
||
572 | |||
573 | pusha |
||
574 | lea ecx, [ebx + SOCKET.mutex] |
||
575 | call mutex_unlock |
||
576 | popa |
||
577 | |||
578 | mov eax, ebx |
||
579 | call TCP_output |
||
580 | |||
581 | ;;; TODO: wait for successfull connection if blocking socket |
||
582 | |||
583 | mov dword [esp+32], 0 |
||
584 | ret |
||
585 | |||
586 | align 4 |
||
587 | .ip: |
||
588 | pusha |
||
589 | lea ecx, [eax + SOCKET.mutex] |
||
590 | call mutex_lock |
||
591 | popa |
||
592 | |||
593 | pushd [edx + 4] |
||
594 | pop [eax + IP_SOCKET.RemoteIP] |
||
595 | |||
596 | push eax |
||
597 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
598 | pop eax |
||
599 | |||
600 | lea ecx, [eax + SOCKET.mutex] |
||
601 | call mutex_unlock |
||
602 | |||
603 | mov dword [esp+32], 0 |
||
604 | ret |
||
605 | |||
606 | |||
607 | ;----------------------------------------------------------------- |
||
608 | ; |
||
609 | ; SOCKET_listen |
||
610 | ; |
||
611 | ; IN: socket number in ecx |
||
612 | ; backlog in edx |
||
613 | ; OUT: eax is socket num, -1 on error |
||
614 | ; |
||
615 | ;----------------------------------------------------------------- |
||
616 | align 4 |
||
617 | SOCKET_listen: |
||
618 | |||
3556 | hidnplayr | 619 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 620 | |
621 | call SOCKET_num_to_ptr |
||
622 | jz s_error |
||
623 | |||
624 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
625 | jne s_error |
||
626 | |||
627 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
628 | jne s_error |
||
629 | |||
630 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
631 | je s_error |
||
632 | |||
633 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
634 | jne @f |
||
635 | push [IP_LIST] |
||
636 | pop [eax + IP_SOCKET.LocalIP] |
||
637 | @@: |
||
638 | |||
639 | cmp edx, MAX_backlog |
||
640 | jbe @f |
||
641 | mov edx, MAX_backlog |
||
642 | @@: |
||
643 | |||
644 | mov [eax + SOCKET.backlog], dx |
||
645 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
646 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
647 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
648 | |||
649 | push eax |
||
650 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
651 | pop eax |
||
652 | |||
653 | mov dword [esp+32], 0 |
||
654 | |||
655 | ret |
||
656 | |||
657 | |||
658 | ;----------------------------------------------------------------- |
||
659 | ; |
||
660 | ; SOCKET_accept |
||
661 | ; |
||
662 | ; IN: socket number in ecx |
||
663 | ; addr in edx |
||
664 | ; addrlen in esi |
||
665 | ; OUT: eax is socket num, -1 on error |
||
666 | ; |
||
667 | ;----------------------------------------------------------------- |
||
668 | align 4 |
||
669 | SOCKET_accept: |
||
670 | |||
3556 | hidnplayr | 671 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 672 | |
673 | call SOCKET_num_to_ptr |
||
674 | jz s_error |
||
675 | |||
676 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
677 | jz s_error |
||
678 | |||
679 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
680 | jne s_error |
||
681 | |||
682 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
683 | jne s_error |
||
684 | |||
685 | .loop: |
||
686 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
687 | |||
688 | ; Ok, we got a socket ptr |
||
689 | mov eax, [esi] |
||
690 | |||
691 | ; Change thread ID to that of the current thread |
||
692 | mov ebx, [TASK_BASE] |
||
693 | mov ebx, [ebx + TASKDATA.pid] |
||
694 | mov [eax + SOCKET.TID], ebx |
||
695 | |||
696 | ; Convert it to a socket number |
||
697 | call SOCKET_ptr_to_num |
||
698 | jz s_error |
||
699 | ; and return it to caller |
||
700 | mov [esp+32], eax |
||
701 | ret |
||
702 | |||
703 | .block: |
||
704 | test [eax + SOCKET.options], SO_NONBLOCK |
||
705 | jnz s_error |
||
706 | |||
707 | call SOCKET_block |
||
708 | jmp .loop |
||
709 | |||
710 | ;----------------------------------------------------------------- |
||
711 | ; |
||
712 | ; SOCKET_close |
||
713 | ; |
||
714 | ; IN: socket number in ecx |
||
715 | ; OUT: eax is socket num, -1 on error |
||
716 | ; |
||
717 | ;----------------------------------------------------------------- |
||
718 | align 4 |
||
719 | SOCKET_close: |
||
720 | |||
3556 | hidnplayr | 721 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 722 | |
723 | call SOCKET_num_to_ptr |
||
724 | jz s_error |
||
725 | |||
726 | mov dword [esp+32], 0 ; The socket exists, so we will succeed in closing it. |
||
727 | |||
728 | .socket: |
||
729 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
730 | |||
731 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
732 | jz @f |
||
733 | call SOCKET_notify.unblock ; Unblock it. |
||
734 | @@: |
||
735 | |||
736 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
737 | jne .free |
||
738 | |||
739 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
740 | je .tcp |
||
741 | |||
742 | .free: |
||
743 | call SOCKET_free |
||
744 | ret |
||
745 | |||
746 | .tcp: |
||
747 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
748 | jb .free |
||
749 | |||
750 | call TCP_usrclosed |
||
751 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
752 | |||
753 | ret |
||
754 | |||
755 | |||
756 | ;----------------------------------------------------------------- |
||
757 | ; |
||
758 | ; SOCKET_receive |
||
759 | ; |
||
760 | ; IN: socket number in ecx |
||
761 | ; addr to buffer in edx |
||
762 | ; length of buffer in esi |
||
763 | ; flags in edi |
||
764 | ; OUT: eax is number of bytes copied, -1 on error |
||
765 | ; |
||
766 | ;----------------------------------------------------------------- |
||
767 | align 4 |
||
768 | SOCKET_receive: |
||
769 | |||
3556 | hidnplayr | 770 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 771 | |
772 | call SOCKET_num_to_ptr |
||
773 | jz s_error |
||
774 | |||
3565 | hidnplayr | 775 | call [eax + SOCKET.rcv_proc] |
3545 | hidnplayr | 776 | |
3565 | hidnplayr | 777 | mov [esp+32], eax |
778 | ret |
||
3545 | hidnplayr | 779 | |
3565 | hidnplayr | 780 | |
3545 | hidnplayr | 781 | align 4 |
782 | SOCKET_receive_dgram: |
||
783 | |||
3556 | hidnplayr | 784 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 785 | |
786 | mov ebx, esi |
||
787 | mov edi, edx ; addr to buffer |
||
788 | |||
789 | .loop: |
||
790 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .block ; destroys esi and ecx |
||
791 | |||
792 | mov ecx, [esi + socket_queue_entry.data_size] |
||
3556 | hidnplayr | 793 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 794 | |
795 | cmp ecx, ebx |
||
796 | ja .too_small |
||
797 | |||
3565 | hidnplayr | 798 | push ecx |
3545 | hidnplayr | 799 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
800 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 801 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 802 | |
803 | ; copy the data |
||
804 | shr ecx, 1 |
||
805 | jnc .nb |
||
806 | movsb |
||
807 | .nb: |
||
808 | shr ecx, 1 |
||
809 | jnc .nw |
||
810 | movsw |
||
811 | .nw: |
||
812 | test ecx, ecx |
||
813 | jz .nd |
||
814 | rep movsd |
||
815 | .nd: |
||
816 | |||
817 | call kernel_free ; remove the packet |
||
3565 | hidnplayr | 818 | pop eax |
819 | |||
3545 | hidnplayr | 820 | ret |
821 | |||
822 | .too_small: |
||
823 | |||
3556 | hidnplayr | 824 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Buffer too small\n" |
3565 | hidnplayr | 825 | .fail: |
826 | mov eax, -1 |
||
827 | ret |
||
3545 | hidnplayr | 828 | |
829 | .block: |
||
830 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3565 | hidnplayr | 831 | jnz .fail |
3545 | hidnplayr | 832 | |
833 | call SOCKET_block |
||
834 | jmp .loop |
||
835 | |||
836 | |||
837 | align 4 |
||
838 | SOCKET_receive_local: |
||
839 | |||
840 | ; does this socket have a PID yet? |
||
841 | cmp [eax + SOCKET.PID], 0 |
||
842 | jne @f |
||
843 | |||
844 | ; Change PID to that of current process |
||
845 | mov ebx, [TASK_BASE] |
||
846 | mov ebx, [ebx + TASKDATA.pid] |
||
847 | mov [eax + SOCKET.PID], ebx |
||
848 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
849 | @@: |
||
850 | |||
851 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
852 | |||
853 | align 4 |
||
854 | SOCKET_receive_stream: |
||
855 | |||
3556 | hidnplayr | 856 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 857 | |
858 | mov ebx, edi |
||
859 | mov ecx, esi |
||
860 | mov edi, edx |
||
861 | xor edx, edx |
||
862 | |||
863 | test ebx, MSG_DONTWAIT |
||
864 | jnz .dontwait |
||
865 | .loop: |
||
866 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
||
867 | je .block |
||
868 | .dontwait: |
||
869 | test ebx, MSG_PEEK |
||
870 | jnz .peek |
||
871 | |||
872 | add eax, STREAM_SOCKET.rcv |
||
873 | call SOCKET_ring_read |
||
874 | call SOCKET_ring_free |
||
875 | |||
3565 | hidnplayr | 876 | mov eax, ecx ; return number of bytes copied |
3545 | hidnplayr | 877 | ret |
878 | |||
879 | .peek: |
||
3565 | hidnplayr | 880 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3545 | hidnplayr | 881 | ret |
882 | |||
883 | .block: |
||
884 | test [eax + SOCKET.options], SO_NONBLOCK |
||
885 | jnz .return0 |
||
886 | |||
887 | call SOCKET_block |
||
888 | jmp .loop |
||
889 | |||
890 | .return0: |
||
3565 | hidnplayr | 891 | test [eax + SOCKET.options], SS_CANTRCVMORE |
892 | jz .ok |
||
893 | |||
894 | xor eax, eax |
||
895 | dec eax |
||
3545 | hidnplayr | 896 | ret |
897 | |||
3565 | hidnplayr | 898 | .ok: |
899 | xor eax, eax |
||
900 | ret |
||
3545 | hidnplayr | 901 | |
3565 | hidnplayr | 902 | |
3545 | hidnplayr | 903 | ;----------------------------------------------------------------- |
904 | ; |
||
905 | ; SOCKET_send |
||
906 | ; |
||
907 | ; |
||
908 | ; IN: socket number in ecx |
||
909 | ; pointer to data in edx |
||
910 | ; datalength in esi |
||
911 | ; flags in edi |
||
912 | ; OUT: -1 on error |
||
913 | ; |
||
914 | ;----------------------------------------------------------------- |
||
915 | align 4 |
||
916 | SOCKET_send: |
||
917 | |||
3556 | hidnplayr | 918 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 919 | |
920 | call SOCKET_num_to_ptr |
||
921 | jz s_error |
||
922 | |||
923 | mov ecx, esi |
||
924 | mov esi, edx |
||
925 | |||
926 | jmp [eax + SOCKET.snd_proc] |
||
927 | |||
928 | |||
929 | align 4 |
||
930 | SOCKET_send_udp: |
||
931 | |||
3556 | hidnplayr | 932 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 933 | |
934 | mov [esp+32], ecx |
||
935 | call UDP_output |
||
936 | cmp eax, -1 |
||
937 | je s_error |
||
938 | ret |
||
939 | |||
940 | |||
941 | align 4 |
||
942 | SOCKET_send_tcp: |
||
943 | |||
3556 | hidnplayr | 944 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 945 | |
946 | push eax |
||
947 | add eax, STREAM_SOCKET.snd |
||
948 | call SOCKET_ring_write |
||
949 | pop eax |
||
950 | |||
951 | mov [esp+32], ecx |
||
952 | |||
953 | call TCP_output |
||
954 | ret |
||
955 | |||
956 | |||
957 | align 4 |
||
958 | SOCKET_send_ip: |
||
959 | |||
3556 | hidnplayr | 960 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 961 | |
962 | mov [esp+32], ecx |
||
963 | call IPv4_output_raw |
||
964 | cmp eax, -1 |
||
965 | je s_error |
||
966 | ret |
||
967 | |||
968 | |||
969 | align 4 |
||
970 | SOCKET_send_icmp: |
||
971 | |||
3556 | hidnplayr | 972 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 973 | |
974 | mov [esp+32], ecx |
||
975 | call ICMP_output_raw |
||
976 | cmp eax, -1 |
||
977 | je s_error |
||
978 | ret |
||
979 | |||
980 | |||
981 | align 4 |
||
982 | SOCKET_send_pppoe: |
||
983 | |||
3556 | hidnplayr | 984 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 985 | |
986 | mov [esp+32], ecx |
||
987 | mov ebx, [eax + SOCKET.device] |
||
988 | |||
989 | call PPPoE_discovery_output |
||
990 | cmp eax, -1 |
||
991 | je s_error |
||
992 | ret |
||
993 | |||
994 | |||
995 | |||
996 | align 4 |
||
997 | SOCKET_send_local: |
||
998 | |||
999 | ; does this socket have a PID yet? |
||
1000 | cmp [eax + SOCKET.PID], 0 |
||
1001 | jne @f |
||
1002 | |||
1003 | ; Change PID to that of current process |
||
1004 | mov ebx, [TASK_BASE] |
||
1005 | mov ebx, [ebx + TASKDATA.pid] |
||
1006 | mov [eax + SOCKET.PID], ebx |
||
1007 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1008 | @@: |
||
1009 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1010 | |||
1011 | align 4 |
||
1012 | SOCKET_send_local_: |
||
1013 | |||
3556 | hidnplayr | 1014 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1015 | |
1016 | ; get the other side's socket and check if it still exists |
||
1017 | mov eax, [eax + SOCKET.device] |
||
1018 | call SOCKET_check |
||
1019 | jz s_error |
||
1020 | |||
1021 | ; allright, shove in the data! |
||
1022 | push eax |
||
1023 | add eax, STREAM_SOCKET.rcv |
||
1024 | call SOCKET_ring_write |
||
1025 | pop eax |
||
1026 | |||
1027 | ; return the number of written bytes (or errorcode) to application |
||
1028 | mov [esp+32], ecx |
||
1029 | |||
1030 | ; and notify the other end |
||
1031 | call SOCKET_notify |
||
1032 | |||
1033 | ret |
||
1034 | |||
1035 | |||
1036 | ;----------------------------------------------------------------- |
||
1037 | ; |
||
1038 | ; SOCKET_get_options |
||
1039 | ; |
||
1040 | ; IN: ecx = socket number |
||
1041 | ; edx = pointer to the options: |
||
1042 | ; dd level, optname, optval, optlen |
||
1043 | ; OUT: -1 on error |
||
1044 | ; |
||
1045 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1046 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1047 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1048 | ; |
||
1049 | ;----------------------------------------------------------------- |
||
1050 | align 4 |
||
1051 | SOCKET_get_opt: |
||
1052 | |||
3556 | hidnplayr | 1053 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1054 | |
1055 | call SOCKET_num_to_ptr |
||
1056 | jz s_error |
||
1057 | |||
1058 | cmp dword [edx], IP_PROTO_TCP |
||
1059 | jne s_error |
||
1060 | cmp dword [edx+4], -2 |
||
1061 | je @f |
||
1062 | cmp dword [edx+4], -3 |
||
1063 | jne s_error |
||
1064 | @@: |
||
1065 | ; mov eax, [edx+12] |
||
1066 | ; test eax, eax |
||
1067 | ; jz .fail |
||
1068 | ; cmp dword [eax], 4 |
||
1069 | ; mov dword [eax], 4 |
||
1070 | ; jb .fail |
||
1071 | ; stdcall net_socket_num_to_addr, ecx |
||
1072 | ; test eax, eax |
||
1073 | ; jz .fail |
||
1074 | ; ; todo: check that eax is really TCP socket |
||
1075 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1076 | ; cmp dword [edx+4], -2 |
||
1077 | ; jz @f |
||
1078 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1079 | @@: |
||
1080 | mov eax, [edx+8] |
||
1081 | test eax, eax |
||
1082 | jz @f |
||
1083 | mov [eax], ecx |
||
1084 | @@: |
||
1085 | mov dword [esp+32], 0 |
||
1086 | ret |
||
1087 | |||
1088 | |||
1089 | |||
1090 | ;----------------------------------------------------------------- |
||
1091 | ; |
||
1092 | ; SOCKET_set_options |
||
1093 | ; |
||
1094 | ; IN: ecx = socket number |
||
1095 | ; edx = pointer to the options: |
||
1096 | ; dd level, optname, optlen, optval |
||
1097 | ; OUT: -1 on error |
||
1098 | ; |
||
1099 | ;----------------------------------------------------------------- |
||
1100 | align 4 |
||
1101 | SOCKET_set_opt: |
||
1102 | |||
3556 | hidnplayr | 1103 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1104 | |
1105 | call SOCKET_num_to_ptr |
||
1106 | jz s_error |
||
1107 | |||
1108 | cmp dword [edx], SOL_SOCKET |
||
1109 | jne s_error |
||
1110 | |||
1111 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1112 | je .bind |
||
1113 | |||
1114 | cmp dword [edx+4], SO_BLOCK |
||
1115 | je .block |
||
1116 | |||
1117 | jmp s_error |
||
1118 | |||
1119 | .bind: |
||
1120 | cmp dword [edx+8], 0 |
||
1121 | je .unbind |
||
1122 | |||
1123 | movzx edx, byte [edx + 9] |
||
1124 | cmp edx, MAX_NET_DEVICES |
||
1125 | ja s_error |
||
1126 | |||
1127 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1128 | test edx, edx |
||
1129 | jz s_error |
||
1130 | mov [eax + SOCKET.device], edx |
||
1131 | |||
3556 | hidnplayr | 1132 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1133 | |
1134 | mov dword [esp+32], 0 ; success! |
||
1135 | ret |
||
1136 | |||
1137 | .unbind: |
||
1138 | mov [eax + SOCKET.device], 0 |
||
1139 | |||
1140 | mov dword [esp+32], 0 ; success! |
||
1141 | ret |
||
1142 | |||
1143 | .block: |
||
1144 | cmp dword [edx+8], 0 |
||
1145 | je .unblock |
||
1146 | |||
1147 | and [eax + SOCKET.options], not SO_NONBLOCK |
||
1148 | |||
1149 | mov dword [esp+32], 0 ; success! |
||
1150 | ret |
||
1151 | |||
1152 | .unblock: |
||
1153 | or [eax + SOCKET.options], SO_NONBLOCK |
||
1154 | |||
1155 | mov dword [esp+32], 0 ; success! |
||
1156 | ret |
||
1157 | |||
1158 | |||
1159 | |||
1160 | ;----------------------------------------------------------------- |
||
1161 | ; |
||
1162 | ; SOCKET_pair |
||
1163 | ; |
||
1164 | ; Allocates a pair of linked LOCAL domain sockets |
||
1165 | ; |
||
1166 | ; IN: / |
||
1167 | ; OUT: eax is socket1 num, -1 on error |
||
1168 | ; ebx is socket2 num |
||
1169 | ; |
||
1170 | ;----------------------------------------------------------------- |
||
1171 | align 4 |
||
1172 | SOCKET_pair: |
||
1173 | |||
3556 | hidnplayr | 1174 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1175 | |
1176 | call SOCKET_alloc |
||
1177 | jz s_error |
||
1178 | mov [esp+32], edi ; application's eax |
||
1179 | |||
1180 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1181 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1182 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1183 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1184 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1185 | mov [eax + SOCKET.PID], 0 |
||
1186 | mov ebx, eax |
||
1187 | |||
1188 | call SOCKET_alloc |
||
1189 | jz .error |
||
1190 | mov [esp+24], edi ; application's ebx |
||
1191 | |||
1192 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1193 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1194 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1195 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1196 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1197 | mov [eax + SOCKET.PID], 0 |
||
1198 | |||
1199 | ; Link the two sockets to eachother |
||
1200 | mov [eax + SOCKET.device], ebx |
||
1201 | mov [ebx + SOCKET.device], eax |
||
1202 | |||
1203 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1204 | call SOCKET_ring_create |
||
1205 | |||
1206 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1207 | call SOCKET_ring_create |
||
1208 | pop eax |
||
1209 | |||
1210 | ret |
||
1211 | |||
1212 | .error: |
||
1213 | mov eax, ebx |
||
1214 | call SOCKET_free |
||
1215 | jmp s_error |
||
1216 | |||
1217 | |||
1218 | |||
1219 | ;----------------------------------------------------------------- |
||
1220 | ; |
||
1221 | ; SOCKET_debug |
||
1222 | ; |
||
1223 | ; Copies socket variables to application buffer |
||
1224 | ; |
||
1225 | ; IN: ecx = socket number |
||
1226 | ; edx = pointer to buffer |
||
1227 | ; |
||
1228 | ; OUT: -1 on error |
||
1229 | ;----------------------------------------------------------------- |
||
1230 | align 4 |
||
1231 | SOCKET_debug: |
||
1232 | |||
3556 | hidnplayr | 1233 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1234 | |
1235 | mov edi, edx |
||
1236 | |||
1237 | test ecx, ecx |
||
1238 | jz .returnall |
||
1239 | |||
1240 | call SOCKET_num_to_ptr |
||
1241 | jz s_error |
||
1242 | |||
1243 | mov esi, eax |
||
1244 | mov ecx, SOCKETBUFFSIZE/4 |
||
1245 | rep movsd |
||
1246 | |||
1247 | mov dword [esp+32], 0 |
||
1248 | ret |
||
1249 | |||
1250 | .returnall: |
||
1251 | mov ebx, net_sockets |
||
1252 | .next_socket: |
||
1253 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1254 | test ebx, ebx |
||
1255 | jz .done |
||
1256 | mov eax, [ebx + SOCKET.Number] |
||
1257 | stosd |
||
1258 | jmp .next_socket |
||
1259 | .done: |
||
1260 | xor eax, eax |
||
1261 | stosd |
||
1262 | |||
1263 | mov dword [esp+32], 0 |
||
1264 | ret |
||
1265 | |||
1266 | |||
1267 | ;----------------------------------------------------------------- |
||
1268 | ; |
||
1269 | ; SOCKET_find_port |
||
1270 | ; |
||
1271 | ; Fills in the local port number for TCP and UDP sockets |
||
1272 | ; This procedure always works because the number of sockets is |
||
1273 | ; limited to a smaller number then the number of possible ports |
||
1274 | ; |
||
1275 | ; IN: eax = socket pointer |
||
1276 | ; OUT: / |
||
1277 | ; |
||
1278 | ;----------------------------------------------------------------- |
||
1279 | align 4 |
||
1280 | SOCKET_find_port: |
||
1281 | |||
3556 | hidnplayr | 1282 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1283 | |
1284 | push ebx esi ecx |
||
1285 | |||
1286 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1287 | je .udp |
||
1288 | |||
1289 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1290 | je .tcp |
||
1291 | |||
1292 | pop ecx esi ebx |
||
1293 | ret |
||
1294 | |||
1295 | .udp: |
||
1296 | mov bx, [last_UDP_port] |
||
1297 | call .findit |
||
1298 | mov [last_UDP_port], bx |
||
1299 | |||
1300 | pop ecx esi ebx |
||
1301 | ret |
||
1302 | |||
1303 | .tcp: |
||
1304 | mov bx, [last_TCP_port] |
||
1305 | call .findit |
||
1306 | mov [last_TCP_port], bx |
||
1307 | |||
1308 | pop ecx esi ebx |
||
1309 | ret |
||
1310 | |||
1311 | |||
1312 | .restart: |
||
1313 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1314 | .findit: |
||
1315 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1316 | je .restart |
||
1317 | |||
1318 | add bh, 1 |
||
1319 | adc bl, 0 |
||
1320 | |||
1321 | call SOCKET_check_port |
||
1322 | jz .findit |
||
1323 | ret |
||
1324 | |||
1325 | |||
1326 | |||
1327 | ;----------------------------------------------------------------- |
||
1328 | ; |
||
1329 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1330 | ; |
||
1331 | ; Checks if a local port number is unused |
||
1332 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1333 | ; |
||
1334 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1335 | ; bx = proposed socket number (network byte order) |
||
1336 | ; |
||
1337 | ; OUT: ZF = set on error |
||
1338 | ; |
||
1339 | ;----------------------------------------------------------------- |
||
1340 | align 4 |
||
1341 | SOCKET_check_port: |
||
1342 | |||
3556 | hidnplayr | 1343 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1344 | |
1345 | mov ecx, [eax + SOCKET.Protocol] |
||
1346 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1347 | mov esi, net_sockets |
||
1348 | |||
1349 | .next_socket: |
||
1350 | mov esi, [esi + SOCKET.NextPtr] |
||
1351 | or esi, esi |
||
1352 | jz .port_ok |
||
1353 | |||
1354 | cmp [esi + SOCKET.Protocol], ecx |
||
1355 | jne .next_socket |
||
1356 | |||
1357 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1358 | jne .next_socket |
||
1359 | |||
1360 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1361 | jne .next_socket |
||
1362 | |||
3556 | hidnplayr | 1363 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1364 | ret |
1365 | |||
1366 | .port_ok: |
||
3556 | hidnplayr | 1367 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1368 | mov [eax + UDP_SOCKET.LocalPort], bx |
1369 | or bx, bx ; clear the zero-flag |
||
1370 | ret |
||
1371 | |||
1372 | |||
1373 | |||
1374 | ;----------------------------------------------------------------- |
||
1375 | ; |
||
1376 | ; SOCKET_input |
||
1377 | ; |
||
1378 | ; Updates a (stateless) socket with received data |
||
1379 | ; |
||
1380 | ; Note: the mutex should already be set ! |
||
1381 | ; |
||
1382 | ; IN: eax = socket ptr |
||
1383 | ; ecx = data size |
||
1384 | ; esi = ptr to data |
||
1385 | ; [esp] = ptr to buf |
||
1386 | ; [esp + 4] = buf size |
||
1387 | ; |
||
1388 | ; OUT: / |
||
1389 | ; |
||
1390 | ;----------------------------------------------------------------- |
||
1391 | align 4 |
||
1392 | SOCKET_input: |
||
1393 | |||
3556 | hidnplayr | 1394 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1395 | |
1396 | mov [esp+4], ecx |
||
1397 | push esi |
||
1398 | mov esi, esp |
||
1399 | |||
1400 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1401 | |||
3556 | hidnplayr | 1402 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1403 | add esp, sizeof.socket_queue_entry |
1404 | |||
1405 | pusha |
||
1406 | lea ecx, [eax + SOCKET.mutex] |
||
1407 | call mutex_unlock |
||
1408 | popa |
||
1409 | |||
1410 | jmp SOCKET_notify |
||
1411 | |||
1412 | .full: |
||
3556 | hidnplayr | 1413 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1414 | |
1415 | pusha |
||
1416 | lea ecx, [eax + SOCKET.mutex] |
||
1417 | call mutex_unlock |
||
1418 | popa |
||
1419 | |||
1420 | call kernel_free |
||
1421 | add esp, 8 |
||
1422 | |||
1423 | ret |
||
1424 | |||
1425 | |||
1426 | ;-------------------------- |
||
1427 | ; |
||
1428 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1429 | ; |
||
1430 | align 4 |
||
1431 | SOCKET_ring_create: |
||
1432 | |||
1433 | push esi |
||
1434 | mov esi, eax |
||
1435 | |||
1436 | push edx |
||
1437 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1438 | pop edx |
||
1439 | |||
3556 | hidnplayr | 1440 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1441 | |
1442 | pusha |
||
1443 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1444 | call mutex_init |
||
1445 | popa |
||
1446 | |||
1447 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1448 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1449 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1450 | mov [esi + RING_BUFFER.size], 0 |
||
1451 | add eax, SOCKET_MAXDATA |
||
1452 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1453 | mov eax, esi |
||
1454 | pop esi |
||
1455 | |||
1456 | ret |
||
1457 | |||
1458 | ;----------------------------------------------------------------- |
||
1459 | ; |
||
1460 | ; SOCKET_ring_write |
||
1461 | ; |
||
1462 | ; Adds data to a stream socket, and updates write pointer and size |
||
1463 | ; |
||
1464 | ; IN: eax = ptr to ring struct |
||
1465 | ; ecx = data size |
||
1466 | ; esi = ptr to data |
||
1467 | ; |
||
1468 | ; OUT: ecx = number of bytes stored |
||
1469 | ; |
||
1470 | ;----------------------------------------------------------------- |
||
1471 | align 4 |
||
1472 | SOCKET_ring_write: |
||
1473 | |||
3556 | hidnplayr | 1474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1475 | |
1476 | ; lock mutex |
||
1477 | pusha |
||
1478 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1479 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1480 | popa |
||
1481 | |||
1482 | ; calculate available size |
||
1483 | mov edi, SOCKET_MAXDATA |
||
1484 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1485 | cmp ecx, edi |
||
1486 | jbe .copy |
||
1487 | mov ecx, edi |
||
1488 | .copy: |
||
1489 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1490 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1491 | |
1492 | ; update write ptr |
||
1493 | push edi |
||
1494 | add edi, ecx |
||
1495 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1496 | jb @f |
||
1497 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1498 | @@: |
||
1499 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1500 | pop edi |
||
1501 | |||
1502 | ; update size |
||
1503 | add [eax + RING_BUFFER.size], ecx |
||
1504 | |||
1505 | ; copy the data |
||
1506 | push ecx |
||
1507 | shr ecx, 1 |
||
1508 | jnc .nb |
||
1509 | movsb |
||
1510 | .nb: |
||
1511 | shr ecx, 1 |
||
1512 | jnc .nw |
||
1513 | movsw |
||
1514 | .nw: |
||
1515 | test ecx, ecx |
||
1516 | jz .nd |
||
1517 | rep movsd |
||
1518 | .nd: |
||
1519 | pop ecx |
||
1520 | |||
1521 | ; unlock mutex |
||
1522 | push eax ecx |
||
1523 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1524 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1525 | pop ecx eax |
||
1526 | |||
1527 | ret |
||
1528 | |||
1529 | ;----------------------------------------------------------------- |
||
1530 | ; |
||
1531 | ; SOCKET_ring_read |
||
1532 | ; |
||
1533 | ; IN: eax = ring struct ptr |
||
1534 | ; ecx = bytes to read |
||
1535 | ; edx = offset |
||
1536 | ; edi = ptr to buffer start |
||
1537 | ; |
||
1538 | ; OUT: eax = unchanged |
||
1539 | ; ecx = number of bytes read (0 on error) |
||
1540 | ; edx = destroyed |
||
1541 | ; esi = destroyed |
||
1542 | ; edi = ptr to buffer end |
||
1543 | ; |
||
1544 | ;----------------------------------------------------------------- |
||
1545 | align 4 |
||
1546 | SOCKET_ring_read: |
||
1547 | |||
3556 | hidnplayr | 1548 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1549 | |
1550 | pusha |
||
1551 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1552 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1553 | popa |
||
1554 | |||
1555 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1556 | add esi, edx ; esi = start_ptr + offset |
||
1557 | |||
1558 | neg edx |
||
1559 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1560 | jle .no_data_at_all |
||
1561 | |||
1562 | pusha |
||
1563 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1564 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1565 | popa |
||
1566 | |||
1567 | cmp ecx, edx |
||
1568 | ja .less_data |
||
1569 | |||
1570 | .copy: |
||
3556 | hidnplayr | 1571 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1572 | push ecx |
1573 | shr ecx, 1 |
||
1574 | jnc .nb |
||
1575 | movsb |
||
1576 | .nb: |
||
1577 | shr ecx, 1 |
||
1578 | jnc .nw |
||
1579 | movsw |
||
1580 | .nw: |
||
1581 | test ecx, ecx |
||
1582 | jz .nd |
||
1583 | rep movsd |
||
1584 | .nd: |
||
1585 | pop ecx |
||
1586 | ret |
||
1587 | |||
1588 | .no_data_at_all: |
||
1589 | pusha |
||
1590 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1591 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1592 | popa |
||
1593 | |||
3556 | hidnplayr | 1594 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1595 | xor ecx, ecx |
1596 | ret |
||
1597 | |||
1598 | .less_data: |
||
1599 | mov ecx, edx |
||
1600 | jmp .copy |
||
1601 | |||
1602 | |||
1603 | ;----------------------------------------------------------------- |
||
1604 | ; |
||
1605 | ; SOCKET_ring_free |
||
1606 | ; |
||
1607 | ; Free's some bytes from the ringbuffer |
||
1608 | ; |
||
1609 | ; IN: eax = ptr to ring struct |
||
1610 | ; ecx = data size |
||
1611 | ; |
||
1612 | ; OUT: ecx = number of bytes free-ed |
||
1613 | ; |
||
1614 | ;----------------------------------------------------------------- |
||
1615 | align 4 |
||
1616 | SOCKET_ring_free: |
||
1617 | |||
3556 | hidnplayr | 1618 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1619 | |
1620 | push eax ecx |
||
1621 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1622 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1623 | pop ecx eax |
||
1624 | |||
1625 | sub [eax + RING_BUFFER.size], ecx |
||
1626 | jb .error |
||
1627 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1628 | |||
1629 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1630 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1631 | jb @f |
||
1632 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1633 | @@: |
||
1634 | |||
1635 | push eax ecx |
||
1636 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1637 | call mutex_unlock |
||
1638 | pop ecx eax |
||
1639 | |||
1640 | ret |
||
1641 | |||
1642 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1643 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1644 | add [eax + RING_BUFFER.size], ecx |
1645 | |||
1646 | push eax |
||
1647 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1648 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1649 | pop eax |
||
1650 | |||
1651 | xor ecx, ecx |
||
1652 | ret |
||
1653 | |||
1654 | |||
1655 | ;----------------------------------------------------------------- |
||
1656 | ; |
||
1657 | ; SOCKET_block |
||
1658 | ; |
||
1659 | ; Suspends the thread attached to a socket |
||
1660 | ; |
||
1661 | ; IN: eax = socket ptr |
||
1662 | ; OUT: / |
||
1663 | ; |
||
1664 | ;----------------------------------------------------------------- |
||
1665 | align 4 |
||
1666 | SOCKET_block: |
||
1667 | |||
3556 | hidnplayr | 1668 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1669 | |
1670 | pushf |
||
1671 | cli |
||
1672 | |||
1673 | ; Set the 'socket is blocked' flag |
||
1674 | or [eax + SOCKET.state], SS_BLOCKED |
||
1675 | |||
1676 | ; Suspend the thread |
||
1677 | push edx |
||
1678 | mov edx, [TASK_BASE] |
||
1679 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1680 | |||
1681 | ; Remember the thread ID so we can wake it up again |
||
1682 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1683 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1684 | mov [eax + SOCKET.TID], edx |
1685 | pop edx |
||
1686 | |||
1687 | call change_task |
||
1688 | popf |
||
1689 | |||
3556 | hidnplayr | 1690 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1691 | |
1692 | ret |
||
1693 | |||
1694 | |||
1695 | ;----------------------------------------------------------------- |
||
1696 | ; |
||
1697 | ; SOCKET_notify |
||
1698 | ; |
||
1699 | ; notify's the owner of a socket that something happened |
||
1700 | ; |
||
1701 | ; IN: eax = socket ptr |
||
1702 | ; OUT: / |
||
1703 | ; |
||
1704 | ;----------------------------------------------------------------- |
||
1705 | align 4 |
||
1706 | SOCKET_notify: |
||
1707 | |||
3556 | hidnplayr | 1708 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1709 | |
1710 | call SOCKET_check |
||
1711 | jz .error |
||
1712 | |||
1713 | test [eax + SOCKET.state], SS_BLOCKED |
||
1714 | jnz .unblock |
||
1715 | |||
1716 | test [eax + SOCKET.options], SO_NONBLOCK |
||
1717 | jz .error |
||
1718 | |||
1719 | push eax ecx esi |
||
1720 | |||
1721 | ; socket exists and is of non blocking type. |
||
1722 | ; We'll try to flag an event to the thread |
||
1723 | |||
1724 | mov eax, [eax + SOCKET.TID] |
||
1725 | test eax, eax |
||
1726 | jz .done |
||
1727 | mov ecx, 1 |
||
1728 | mov esi, TASK_DATA + TASKDATA.pid |
||
1729 | |||
1730 | .next_pid: |
||
1731 | cmp [esi], eax |
||
1732 | je .found_pid |
||
1733 | inc ecx |
||
1734 | add esi, 0x20 |
||
1735 | cmp ecx, [TASK_COUNT] |
||
1736 | jbe .next_pid |
||
1737 | ; PID not found, TODO: close socket! |
||
1738 | jmp .done |
||
1739 | |||
1740 | .found_pid: |
||
1741 | shl ecx, 8 |
||
1742 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1743 | |||
3556 | hidnplayr | 1744 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Raised a network event!\n" |
3545 | hidnplayr | 1745 | |
1746 | jmp .done |
||
1747 | |||
1748 | .unblock: |
||
1749 | push eax ecx esi |
||
1750 | ; Clear the 'socket is blocked' flag |
||
1751 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1752 | |||
1753 | ; Find the thread's TASK_DATA |
||
1754 | mov eax, [eax + SOCKET.TID] |
||
1755 | test eax, eax |
||
1756 | jz .error |
||
1757 | xor ecx, ecx |
||
1758 | inc ecx |
||
1759 | mov esi, TASK_DATA |
||
1760 | .next: |
||
1761 | cmp [esi + TASKDATA.pid], eax |
||
1762 | je .found |
||
1763 | inc ecx |
||
1764 | add esi, 0x20 |
||
1765 | cmp ecx, [TASK_COUNT] |
||
1766 | jbe .next |
||
1767 | jmp .error |
||
1768 | .found: |
||
1769 | |||
1770 | ; Run the thread |
||
1771 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1772 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1773 | |
1774 | .done: |
||
1775 | pop esi ecx eax |
||
1776 | |||
1777 | .error: |
||
1778 | ret |
||
1779 | |||
1780 | |||
1781 | ;-------------------------------------------------------------------- |
||
1782 | ; |
||
1783 | ; SOCKET_alloc |
||
1784 | ; |
||
1785 | ; Allocate memory for socket data and put new socket into the list |
||
1786 | ; Newly created socket is initialized with calling PID and number and |
||
1787 | ; put into beginning of list (which is a fastest way). |
||
1788 | ; |
||
1789 | ; IN: / |
||
1790 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1791 | ; edi = socket number |
||
1792 | ; ZF = cleared on error |
||
1793 | ; |
||
1794 | ;-------------------------------------------------------------------- |
||
1795 | align 4 |
||
1796 | SOCKET_alloc: |
||
1797 | |||
1798 | push ebx |
||
1799 | |||
1800 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1801 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1802 | or eax, eax |
1803 | jz .exit |
||
1804 | |||
1805 | ; zero-initialize allocated memory |
||
1806 | push eax |
||
1807 | mov edi, eax |
||
1808 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1809 | xor eax, eax |
||
1810 | rep stosd |
||
1811 | pop eax |
||
1812 | |||
1813 | ; set send-and receive procedures to return -1 |
||
1814 | mov [eax + SOCKET.snd_proc], s_error |
||
1815 | mov [eax + SOCKET.rcv_proc], s_error |
||
1816 | |||
1817 | ; find first free socket number and use it |
||
1818 | mov edi, [last_socket_num] |
||
1819 | .next_socket_number: |
||
1820 | inc edi |
||
1821 | jz .next_socket_number ; avoid socket nr 0 |
||
1822 | cmp edi, -1 |
||
1823 | je .next_socket_number ; avoid socket nr -1 |
||
1824 | mov ebx, net_sockets |
||
1825 | .next_socket: |
||
1826 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1827 | test ebx, ebx |
||
1828 | jz .last_socket |
||
1829 | |||
1830 | cmp [ebx + SOCKET.Number], edi |
||
1831 | jne .next_socket |
||
1832 | jmp .next_socket_number |
||
1833 | |||
1834 | .last_socket: |
||
1835 | mov [last_socket_num], edi |
||
1836 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1837 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1838 | |
1839 | ; Fill in PID |
||
1840 | mov ebx, [TASK_BASE] |
||
1841 | mov ebx, [ebx + TASKDATA.pid] |
||
1842 | mov [eax + SOCKET.PID], ebx |
||
1843 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1844 | |||
1845 | ; init mutex |
||
1846 | pusha |
||
1847 | lea ecx, [eax + SOCKET.mutex] |
||
1848 | call mutex_init |
||
1849 | popa |
||
1850 | |||
1851 | ; add socket to the list by re-arranging some pointers |
||
1852 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
1853 | |||
1854 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
1855 | mov [eax + SOCKET.NextPtr], ebx |
||
1856 | |||
1857 | test ebx, ebx |
||
1858 | jz @f |
||
1859 | |||
1860 | pusha |
||
1861 | lea ecx, [ebx + SOCKET.mutex] |
||
1862 | call mutex_lock |
||
1863 | popa |
||
1864 | |||
1865 | mov [ebx + SOCKET.PrevPtr], eax |
||
1866 | |||
1867 | pusha |
||
1868 | lea ecx, [ebx + SOCKET.mutex] |
||
1869 | call mutex_unlock |
||
1870 | popa |
||
1871 | @@: |
||
1872 | |||
1873 | mov [net_sockets + SOCKET.NextPtr], eax |
||
1874 | or eax, eax ; used to clear zero flag |
||
1875 | .exit: |
||
1876 | pop ebx |
||
1877 | |||
1878 | ret |
||
1879 | |||
1880 | |||
1881 | ;---------------------------------------------------- |
||
1882 | ; |
||
1883 | ; SOCKET_free |
||
1884 | ; |
||
1885 | ; Free socket data memory and remove socket from the list |
||
1886 | ; |
||
1887 | ; IN: eax = socket ptr |
||
1888 | ; OUT: / |
||
1889 | ; |
||
1890 | ;---------------------------------------------------- |
||
1891 | align 4 |
||
1892 | SOCKET_free: |
||
1893 | |||
3556 | hidnplayr | 1894 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 1895 | |
1896 | call SOCKET_check |
||
1897 | jz .error |
||
1898 | |||
1899 | push ebx |
||
1900 | |||
1901 | pusha |
||
1902 | lea ecx, [eax + SOCKET.mutex] |
||
1903 | call mutex_lock |
||
1904 | popa |
||
1905 | |||
1906 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
1907 | jnz .no_tcp |
||
1908 | |||
1909 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1910 | jnz .no_tcp |
||
1911 | |||
1912 | mov ebx, eax |
||
1913 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1914 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1915 | mov eax, ebx |
||
1916 | .no_tcp: |
||
1917 | |||
1918 | push eax ; this will be passed to kernel_free |
||
1919 | mov ebx, [eax + SOCKET.NextPtr] |
||
1920 | mov eax, [eax + SOCKET.PrevPtr] |
||
1921 | |||
3556 | hidnplayr | 1922 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 1923 | |
1924 | test eax, eax |
||
1925 | jz @f |
||
1926 | mov [eax + SOCKET.NextPtr], ebx |
||
1927 | @@: |
||
1928 | |||
1929 | test ebx, ebx |
||
1930 | jz @f |
||
1931 | mov [ebx + SOCKET.PrevPtr], eax |
||
1932 | @@: |
||
1933 | |||
1934 | call kernel_free |
||
1935 | pop ebx |
||
1936 | |||
3556 | hidnplayr | 1937 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
3545 | hidnplayr | 1938 | |
1939 | .error: |
||
1940 | ret |
||
1941 | |||
1942 | ;------------------------------------ |
||
1943 | ; |
||
1944 | ; SOCKET_fork |
||
1945 | ; |
||
1946 | ; Create a child socket |
||
1947 | ; |
||
1948 | ; IN: socket nr in ebx |
||
1949 | ; OUT: child socket nr in eax |
||
1950 | ; |
||
1951 | ;----------------------------------- |
||
1952 | align 4 |
||
1953 | SOCKET_fork: |
||
1954 | |||
3556 | hidnplayr | 1955 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 1956 | |
1957 | ; Exit if backlog queue is full |
||
1958 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
1959 | cmp ax, [ebx + SOCKET.backlog] |
||
1960 | jae .fail |
||
1961 | |||
1962 | ; Allocate new socket |
||
1963 | push ebx |
||
1964 | call SOCKET_alloc |
||
1965 | pop ebx |
||
1966 | jz .fail |
||
1967 | |||
1968 | push eax |
||
1969 | mov esi, esp |
||
1970 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
1971 | pop eax |
||
1972 | |||
1973 | ; Copy structure from current socket to new |
||
1974 | ; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket |
||
1975 | lea esi, [ebx + SOCKET.PID] |
||
1976 | lea edi, [eax + SOCKET.PID] |
||
1977 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
1978 | rep movsd |
||
1979 | |||
1980 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
1981 | |||
1982 | ret |
||
1983 | |||
1984 | .fail2: |
||
1985 | add esp, 4+4+4 |
||
1986 | .fail: |
||
3556 | hidnplayr | 1987 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 1988 | xor eax, eax |
1989 | ret |
||
1990 | |||
1991 | |||
1992 | ;--------------------------------------------------- |
||
1993 | ; |
||
1994 | ; SOCKET_num_to_ptr |
||
1995 | ; |
||
1996 | ; Get socket structure address by its number |
||
1997 | ; |
||
1998 | ; IN: ecx = socket number |
||
1999 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2000 | ; ZF = set on error |
||
2001 | ; |
||
2002 | ;--------------------------------------------------- |
||
2003 | align 4 |
||
2004 | SOCKET_num_to_ptr: |
||
2005 | |||
3556 | hidnplayr | 2006 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2007 | |
2008 | mov eax, net_sockets |
||
2009 | |||
2010 | .next_socket: |
||
2011 | mov eax, [eax + SOCKET.NextPtr] |
||
2012 | or eax, eax |
||
2013 | jz .error |
||
2014 | cmp [eax + SOCKET.Number], ecx |
||
2015 | jne .next_socket |
||
2016 | |||
2017 | test eax, eax |
||
2018 | |||
3556 | hidnplayr | 2019 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2020 | ret |
2021 | |||
2022 | .error: |
||
3556 | hidnplayr | 2023 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_nuto_ptr: not found\n", eax |
3545 | hidnplayr | 2024 | ret |
2025 | |||
2026 | |||
2027 | ;--------------------------------------------------- |
||
2028 | ; |
||
2029 | ; SOCKET_ptr_to_num |
||
2030 | ; |
||
2031 | ; Get socket number by its address |
||
2032 | ; |
||
2033 | ; IN: eax = socket ptr |
||
2034 | ; OUT: eax = 0 on error, socket num otherwise |
||
2035 | ; ZF = set on error |
||
2036 | ; |
||
2037 | ;--------------------------------------------------- |
||
2038 | align 4 |
||
2039 | SOCKET_ptr_to_num: |
||
2040 | |||
3556 | hidnplayr | 2041 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2042 | |
2043 | call SOCKET_check |
||
2044 | jz .error |
||
2045 | |||
2046 | mov eax, [eax + SOCKET.Number] |
||
2047 | |||
3556 | hidnplayr | 2048 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2049 | ret |
2050 | |||
2051 | .error: |
||
3556 | hidnplayr | 2052 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2053 | ret |
2054 | |||
2055 | |||
2056 | ;--------------------------------------------------- |
||
2057 | ; |
||
2058 | ; SOCKET_check |
||
2059 | ; |
||
2060 | ; checks if the given value is really a socket ptr |
||
2061 | ; |
||
2062 | ; IN: eax = socket ptr |
||
2063 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2064 | ; ZF = set on error |
||
2065 | ; |
||
2066 | ;--------------------------------------------------- |
||
2067 | align 4 |
||
2068 | SOCKET_check: |
||
2069 | |||
3556 | hidnplayr | 2070 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2071 | |
2072 | push ebx |
||
2073 | mov ebx, net_sockets |
||
2074 | |||
2075 | .next_socket: |
||
2076 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2077 | or ebx, ebx |
||
2078 | jz .done |
||
2079 | cmp ebx, eax |
||
2080 | jnz .next_socket |
||
2081 | |||
2082 | .done: |
||
2083 | mov eax, ebx |
||
2084 | test eax, eax |
||
2085 | pop ebx |
||
2086 | |||
2087 | ret |
||
2088 | |||
2089 | |||
2090 | |||
2091 | ;--------------------------------------------------- |
||
2092 | ; |
||
2093 | ; SOCKET_check_owner |
||
2094 | ; |
||
2095 | ; checks if the caller application owns the socket |
||
2096 | ; |
||
2097 | ; IN: eax = socket ptr |
||
2098 | ; OUT: ZF = true/false |
||
2099 | ; |
||
2100 | ;--------------------------------------------------- |
||
2101 | align 4 |
||
2102 | SOCKET_check_owner: |
||
2103 | |||
3556 | hidnplayr | 2104 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2105 | |
2106 | push ebx |
||
2107 | mov ebx, [TASK_BASE] |
||
2108 | mov ebx, [ebx + TASKDATA.pid] |
||
2109 | cmp [eax + SOCKET.PID], ebx |
||
2110 | pop ebx |
||
2111 | |||
2112 | ret |
||
2113 | |||
2114 | |||
2115 | |||
2116 | |||
2117 | ;------------------------------------------------------ |
||
2118 | ; |
||
2119 | ; SOCKET_process_end |
||
2120 | ; |
||
2121 | ; Kernel calls this function when a certain process ends |
||
2122 | ; This function will check if the process had any open sockets |
||
2123 | ; And update them accordingly |
||
2124 | ; |
||
2125 | ; IN: edx = pid |
||
2126 | ; OUT: / |
||
2127 | ; |
||
2128 | ;------------------------------------------------------ |
||
2129 | align 4 |
||
2130 | SOCKET_process_end: |
||
2131 | |||
3556 | hidnplayr | 2132 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2133 | |
2134 | push ebx |
||
2135 | mov ebx, net_sockets |
||
2136 | |||
2137 | .next_socket: |
||
2138 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2139 | .next_socket_test: |
||
2140 | test ebx, ebx |
||
2141 | jz .done |
||
2142 | |||
2143 | cmp [ebx + SOCKET.PID], edx |
||
2144 | jne .next_socket |
||
2145 | |||
3556 | hidnplayr | 2146 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2147 | |
2148 | mov [ebx + SOCKET.PID], 0 |
||
2149 | mov eax, ebx |
||
2150 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2151 | pusha |
||
2152 | call SOCKET_close.socket |
||
2153 | popa |
||
2154 | jmp .next_socket_test |
||
2155 | |||
2156 | .done: |
||
2157 | pop ebx |
||
2158 | |||
2159 | ret |
||
2160 | |||
2161 | |||
2162 | |||
2163 | |||
2164 | ;----------------------------------------------------------------- |
||
2165 | ; |
||
2166 | ; SOCKET_is_connecting |
||
2167 | ; |
||
2168 | ; IN: eax = socket ptr |
||
2169 | ; OUT: / |
||
2170 | ; |
||
2171 | ;----------------------------------------------------------------- |
||
2172 | |||
2173 | align 4 |
||
2174 | SOCKET_is_connecting: |
||
2175 | |||
3556 | hidnplayr | 2176 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2177 | |
2178 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2179 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
2180 | |||
2181 | jmp SOCKET_notify |
||
2182 | |||
2183 | |||
2184 | |||
2185 | ;----------------------------------------------------------------- |
||
2186 | ; |
||
2187 | ; SOCKET_is_connected |
||
2188 | ; |
||
2189 | ; IN: eax = socket ptr |
||
2190 | ; OUT: / |
||
2191 | ; |
||
2192 | ;----------------------------------------------------------------- |
||
2193 | |||
2194 | align 4 |
||
2195 | SOCKET_is_connected: |
||
2196 | |||
3556 | hidnplayr | 2197 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2198 | |
2199 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2200 | or [eax + SOCKET.options], SS_ISCONNECTED |
||
2201 | |||
2202 | jmp SOCKET_notify |
||
2203 | |||
2204 | |||
2205 | |||
2206 | |||
2207 | ;----------------------------------------------------------------- |
||
2208 | ; |
||
2209 | ; SOCKET_is_disconnecting |
||
2210 | ; |
||
2211 | ; IN: eax = socket ptr |
||
2212 | ; OUT: / |
||
2213 | ; |
||
2214 | ;----------------------------------------------------------------- |
||
2215 | |||
2216 | align 4 |
||
2217 | SOCKET_is_disconnecting: |
||
2218 | |||
3556 | hidnplayr | 2219 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2220 | |
2221 | and [eax + SOCKET.options], not (SS_ISCONNECTING) |
||
2222 | or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2223 | |||
2224 | jmp SOCKET_notify |
||
2225 | |||
2226 | |||
2227 | |||
2228 | ;----------------------------------------------------------------- |
||
2229 | ; |
||
2230 | ; SOCKET_is_disconnected |
||
2231 | ; |
||
2232 | ; IN: eax = socket ptr |
||
2233 | ; OUT: / |
||
2234 | ; |
||
2235 | ;----------------------------------------------------------------- |
||
2236 | |||
2237 | align 4 |
||
2238 | SOCKET_is_disconnected: |
||
2239 | |||
3556 | hidnplayr | 2240 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2241 | |
2242 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
||
2243 | or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2244 | |||
2245 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2246 | je .tcp |
||
2247 | |||
2248 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2249 | je .udp |
||
2250 | |||
2251 | jmp SOCKET_notify |
||
2252 | |||
2253 | .tcp: |
||
2254 | .udp: |
||
2255 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2256 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2257 | |||
2258 | jmp SOCKET_notify |
||
2259 | |||
2260 | |||
2261 | ;----------------------------------------------------------------- |
||
2262 | ; |
||
2263 | ; SOCKET_cant_recv_more |
||
2264 | ; |
||
2265 | ; IN: eax = socket ptr |
||
2266 | ; OUT: / |
||
2267 | ; |
||
2268 | ;----------------------------------------------------------------- |
||
2269 | |||
2270 | align 4 |
||
2271 | SOCKET_cant_recv_more: |
||
2272 | |||
3556 | hidnplayr | 2273 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2274 | |
2275 | or [eax + SOCKET.options], SS_CANTRCVMORE |
||
2276 | |||
3565 | hidnplayr | 2277 | call SOCKET_notify |
2278 | |||
3545 | hidnplayr | 2279 | ret |
2280 | |||
2281 | |||
2282 | |||
2283 | ;----------------------------------------------------------------- |
||
2284 | ; |
||
2285 | ; SOCKET_cant_send_more |
||
2286 | ; |
||
2287 | ; IN: eax = socket ptr |
||
2288 | ; OUT: / |
||
2289 | ; |
||
2290 | ;----------------------------------------------------------------- |
||
2291 | |||
2292 | align 4 |
||
2293 | SOCKET_cant_send_more: |
||
2294 | |||
3556 | hidnplayr | 2295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2296 | |
2297 | or [eax + SOCKET.options], SS_CANTSENDMORE |
||
3565 | hidnplayr | 2298 | mov [eax + SOCKET.snd_proc], s_error |
3545 | hidnplayr | 2299 | |
3565 | hidnplayr | 2300 | call SOCKET_notify |
2301 | |||
3545 | hidnplayr | 2302 | ret |