20 *
21 */
22
23#include <sys/param.h>
24#include <netinet/in.h>
25#include <netinet/in_systm.h>
26#include <netinet/ip.h>
27#include <sys/un.h>
28
29#include <errno.h>
30#include <fcntl.h>
31#include <paths.h>
32#ifdef NOSUID
33#include <signal.h>
34#endif
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38#include <sys/tty.h> /* TIOCOUTQ */
39#include <sys/uio.h>
40#include <time.h>
41#include <unistd.h>
42#include <utmp.h>
43#if defined(__OpenBSD__) || defined(__NetBSD__)
44#include <sys/ioctl.h>
45#include <util.h>
46#else
47#include <libutil.h>
48#endif
49
50#include "layer.h"
51#ifndef NONAT
52#include "nat_cmd.h"
53#endif
54#include "proto.h"
55#include "acf.h"
56#include "vjcomp.h"
57#include "defs.h"
58#include "command.h"
59#include "mbuf.h"
60#include "log.h"
61#include "id.h"
62#include "timer.h"
63#include "fsm.h"
64#include "lqr.h"
65#include "hdlc.h"
66#include "lcp.h"
67#include "throughput.h"
68#include "sync.h"
69#include "async.h"
70#include "iplist.h"
71#include "slcompress.h"
72#include "ipcp.h"
73#include "filter.h"
74#include "descriptor.h"
75#include "ccp.h"
76#include "link.h"
77#include "physical.h"
78#include "mp.h"
79#ifndef NORADIUS
80#include "radius.h"
81#endif
82#include "bundle.h"
83#include "prompt.h"
84#include "chat.h"
85#include "auth.h"
86#include "chap.h"
87#include "cbcp.h"
88#include "datalink.h"
89#include "tcp.h"
90#include "udp.h"
91#include "exec.h"
92#include "tty.h"
93#ifndef NOI4B
94#include "i4b.h"
95#endif
96#ifndef NONETGRAPH
97#include "ether.h"
98#endif
99#ifndef NOATM
100#include "atm.h"
101#endif
102#include "tcpmss.h"
103
104#define PPPOTCPLINE "ppp"
105
106static int physical_DescriptorWrite(struct fdescriptor *, struct bundle *,
107 const fd_set *);
108
109static int
110physical_DeviceSize(void)
111{
112 return sizeof(struct device);
113}
114
115struct {
116 struct device *(*create)(struct physical *);
117 struct device *(*iov2device)(int, struct physical *, struct iovec *,
118 int *, int, int *, int *);
119 int (*DeviceSize)(void);
120} devices[] = {
121#ifndef NOI4B
122 /*
123 * This must come before ``tty'' so that the probe routine is
124 * able to identify it as a more specific type of terminal device.
125 */
126 { i4b_Create, i4b_iov2device, i4b_DeviceSize },
127#endif
128 { tty_Create, tty_iov2device, tty_DeviceSize },
129#ifndef NONETGRAPH
130 /*
131 * This must come before ``udp'' so that the probe routine is
132 * able to identify it as a more specific type of SOCK_DGRAM.
133 */
134 { ether_Create, ether_iov2device, ether_DeviceSize },
135#endif
136#ifndef NOATM
137 /* Ditto for ATM devices */
138 { atm_Create, atm_iov2device, atm_DeviceSize },
139#endif
140 { tcp_Create, tcp_iov2device, tcp_DeviceSize },
141 { udp_Create, udp_iov2device, udp_DeviceSize },
142 { exec_Create, exec_iov2device, exec_DeviceSize }
143};
144
145#define NDEVICES (sizeof devices / sizeof devices[0])
146
147static int
148physical_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
149 int *n)
150{
151 return physical_doUpdateSet(d, r, w, e, n, 0);
152}
153
154void
155physical_SetDescriptor(struct physical *p)
156{
157 p->desc.type = PHYSICAL_DESCRIPTOR;
158 p->desc.UpdateSet = physical_UpdateSet;
159 p->desc.IsSet = physical_IsSet;
160 p->desc.Read = physical_DescriptorRead;
161 p->desc.Write = physical_DescriptorWrite;
162}
163
164struct physical *
165physical_Create(struct datalink *dl, int type)
166{
167 struct physical *p;
168
169 p = (struct physical *)malloc(sizeof(struct physical));
170 if (!p)
171 return NULL;
172
173 p->link.type = PHYSICAL_LINK;
174 p->link.name = dl->name;
175 p->link.len = sizeof *p;
176
177 /* The sample period is fixed - see physical2iov() & iov2physical() */
178 throughput_init(&p->link.stats.total, SAMPLE_PERIOD);
179 p->link.stats.parent = dl->bundle->ncp.mp.active ?
180 &dl->bundle->ncp.mp.link.stats.total : NULL;
181 p->link.stats.gather = 1;
182
183 memset(p->link.Queue, '\0', sizeof p->link.Queue);
184 memset(p->link.proto_in, '\0', sizeof p->link.proto_in);
185 memset(p->link.proto_out, '\0', sizeof p->link.proto_out);
186 link_EmptyStack(&p->link);
187
188 p->handler = NULL;
189 physical_SetDescriptor(p);
190 p->type = type;
191
192 hdlc_Init(&p->hdlc, &p->link.lcp);
193 async_Init(&p->async);
194
195 p->fd = -1;
196 p->out = NULL;
197 p->connect_count = 0;
198 p->dl = dl;
199 p->input.sz = 0;
200 *p->name.full = '\0';
201 p->name.base = p->name.full;
202
203 p->Utmp = 0;
204 p->session_owner = (pid_t)-1;
205
206 p->cfg.rts_cts = MODEM_CTSRTS;
207 p->cfg.speed = MODEM_SPEED;
208 p->cfg.parity = CS8;
209 memcpy(p->cfg.devlist, MODEM_LIST, sizeof MODEM_LIST);
210 p->cfg.ndev = NMODEMS;
211 p->cfg.cd.necessity = CD_DEFAULT;
212 p->cfg.cd.delay = 0; /* reconfigured or device specific default */
213
214 lcp_Init(&p->link.lcp, dl->bundle, &p->link, &dl->fsmp);
215 ccp_Init(&p->link.ccp, dl->bundle, &p->link, &dl->fsmp);
216
217 return p;
218}
219
220static const struct parity {
221 const char *name;
222 const char *name1;
223 int set;
224} validparity[] = {
225 { "even", "P_EVEN", CS7 | PARENB },
226 { "odd", "P_ODD", CS7 | PARENB | PARODD },
227 { "none", "P_ZERO", CS8 },
228 { NULL, 0 },
229};
230
231static int
232GetParityValue(const char *str)
233{
234 const struct parity *pp;
235
236 for (pp = validparity; pp->name; pp++) {
237 if (strcasecmp(pp->name, str) == 0 ||
238 strcasecmp(pp->name1, str) == 0) {
239 return pp->set;
240 }
241 }
242 return (-1);
243}
244
245int
246physical_SetParity(struct physical *p, const char *str)
247{
248 struct termios rstio;
249 int val;
250
251 val = GetParityValue(str);
252 if (val > 0) {
253 p->cfg.parity = val;
254 if (p->fd >= 0) {
255 tcgetattr(p->fd, &rstio);
256 rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
257 rstio.c_cflag |= val;
258 tcsetattr(p->fd, TCSADRAIN, &rstio);
259 }
260 return 0;
261 }
262 log_Printf(LogWARN, "%s: %s: Invalid parity\n", p->link.name, str);
263 return -1;
264}
265
266int
267physical_GetSpeed(struct physical *p)
268{
269 if (p->handler && p->handler->speed)
270 return (*p->handler->speed)(p);
271
272 return 0;
273}
274
275int
276physical_SetSpeed(struct physical *p, int speed)
277{
278 if (IntToSpeed(speed) != B0) {
279 p->cfg.speed = speed;
280 return 1;
281 }
282
283 return 0;
284}
285
286int
287physical_Raw(struct physical *p)
288{
289 if (p->handler && p->handler->raw)
290 return (*p->handler->raw)(p);
291
292 return 1;
293}
294
295void
296physical_Offline(struct physical *p)
297{
298 if (p->handler && p->handler->offline)
299 (*p->handler->offline)(p);
300 log_Printf(LogPHASE, "%s: Disconnected!\n", p->link.name);
301}
302
303static int
304physical_Lock(struct physical *p)
305{
306 int res;
307
308 if (*p->name.full == '/' && p->type != PHYS_DIRECT &&
309 (res = ID0uu_lock(p->name.base)) != UU_LOCK_OK) {
310 if (res == UU_LOCK_INUSE)
311 log_Printf(LogPHASE, "%s: %s is in use\n", p->link.name, p->name.full);
312 else
313 log_Printf(LogPHASE, "%s: %s is in use: uu_lock: %s\n",
314 p->link.name, p->name.full, uu_lockerr(res));
315 return 0;
316 }
317
318 return 1;
319}
320
321static void
322physical_Unlock(struct physical *p)
323{
324 if (*p->name.full == '/' && p->type != PHYS_DIRECT &&
325 ID0uu_unlock(p->name.base) == -1)
326 log_Printf(LogALERT, "%s: Can't uu_unlock %s\n", p->link.name,
327 p->name.base);
328}
329
330void
331physical_Close(struct physical *p)
332{
333 int newsid;
334 char fn[PATH_MAX];
335
336 if (p->fd < 0)
337 return;
338
339 log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
340
341 if (p->handler && p->handler->cooked)
342 (*p->handler->cooked)(p);
343
344 physical_StopDeviceTimer(p);
345 if (p->Utmp) {
346 if (p->handler && (p->handler->type == TCP_DEVICE ||
347 p->handler->type == UDP_DEVICE))
348 /* Careful - we logged in on line ``ppp'' with IP as our host */
349 ID0logout(PPPOTCPLINE, 1);
350 else
351 ID0logout(p->name.base, 0);
352 p->Utmp = 0;
353 }
354 newsid = tcgetpgrp(p->fd) == getpgrp();
355 close(p->fd);
356 p->fd = -1;
357 log_SetTtyCommandMode(p->dl);
358
359 throughput_stop(&p->link.stats.total);
360 throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
361
362 if (p->session_owner != (pid_t)-1) {
363 log_Printf(LogPHASE, "%s: HUPing %d\n", p->link.name,
364 (int)p->session_owner);
365 ID0kill(p->session_owner, SIGHUP);
366 p->session_owner = (pid_t)-1;
367 }
368
369 if (newsid)
370 bundle_setsid(p->dl->bundle, 0);
371
372 if (*p->name.full == '/') {
373 snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
374#ifndef RELEASE_CRUNCH
375 if (ID0unlink(fn) == -1)
376 log_Printf(LogALERT, "%s: Can't remove %s: %s\n",
377 p->link.name, fn, strerror(errno));
378#else
379 ID0unlink(fn);
380#endif
381 }
382 physical_Unlock(p);
383 if (p->handler && p->handler->destroy)
384 (*p->handler->destroy)(p);
385 p->handler = NULL;
386 p->name.base = p->name.full;
387 *p->name.full = '\0';
388}
389
390void
391physical_Destroy(struct physical *p)
392{
393 physical_Close(p);
394 throughput_destroy(&p->link.stats.total);
395 free(p);
396}
397
398static int
399physical_DescriptorWrite(struct fdescriptor *d, struct bundle *bundle,
400 const fd_set *fdset)
401{
402 struct physical *p = descriptor2physical(d);
403 int nw, result = 0;
404
405 if (p->out == NULL)
406 p->out = link_Dequeue(&p->link);
407
408 if (p->out) {
409 nw = physical_Write(p, MBUF_CTOP(p->out), p->out->m_len);
410 log_Printf(LogDEBUG, "%s: DescriptorWrite: wrote %d(%lu) to %d\n",
411 p->link.name, nw, (unsigned long)p->out->m_len, p->fd);
412 if (nw > 0) {
413 p->out->m_len -= nw;
414 p->out->m_offset += nw;
415 if (p->out->m_len == 0)
416 p->out = m_free(p->out);
417 result = 1;
418 } else if (nw < 0) {
419 if (errno == EAGAIN)
420 result = 1;
421 else if (errno != ENOBUFS) {
422 log_Printf(LogPHASE, "%s: write (%d): %s\n", p->link.name,
423 p->fd, strerror(errno));
424 datalink_Down(p->dl, CLOSE_NORMAL);
425 }
426 }
427 /* else we shouldn't really have been called ! select() is broken ! */
428 }
429
430 return result;
431}
432
433int
434physical_ShowStatus(struct cmdargs const *arg)
435{
436 struct physical *p = arg->cx->physical;
437 struct cd *cd;
438 const char *dev;
439 int n;
440
441 prompt_Printf(arg->prompt, "Name: %s\n", p->link.name);
442 prompt_Printf(arg->prompt, " State: ");
443 if (p->fd < 0)
444 prompt_Printf(arg->prompt, "closed\n");
445 else if (p->handler && p->handler->openinfo)
446 prompt_Printf(arg->prompt, "open (%s)\n", (*p->handler->openinfo)(p));
447 else
448 prompt_Printf(arg->prompt, "open\n");
449
450 prompt_Printf(arg->prompt, " Device: %s",
451 *p->name.full ? p->name.full :
452 p->type == PHYS_DIRECT ? "unknown" : "N/A");
453 if (p->session_owner != (pid_t)-1)
454 prompt_Printf(arg->prompt, " (session owner: %d)", (int)p->session_owner);
455
456 prompt_Printf(arg->prompt, "\n Link Type: %s\n", mode2Nam(p->type));
457 prompt_Printf(arg->prompt, " Connect Count: %d\n", p->connect_count);
458#ifdef TIOCOUTQ
459 if (p->fd >= 0 && ioctl(p->fd, TIOCOUTQ, &n) >= 0)
460 prompt_Printf(arg->prompt, " Physical outq: %d\n", n);
461#endif
462
463 prompt_Printf(arg->prompt, " Queued Packets: %lu\n",
464 (u_long)link_QueueLen(&p->link));
465 prompt_Printf(arg->prompt, " Phone Number: %s\n", arg->cx->phone.chosen);
466
467 prompt_Printf(arg->prompt, "\nDefaults:\n");
468
469 prompt_Printf(arg->prompt, " Device List: ");
470 dev = p->cfg.devlist;
471 for (n = 0; n < p->cfg.ndev; n++) {
472 if (n)
473 prompt_Printf(arg->prompt, ", ");
474 prompt_Printf(arg->prompt, "\"%s\"", dev);
475 dev += strlen(dev) + 1;
476 }
477
478 prompt_Printf(arg->prompt, "\n Characteristics: ");
479 if (physical_IsSync(arg->cx->physical))
480 prompt_Printf(arg->prompt, "sync");
481 else
482 prompt_Printf(arg->prompt, "%dbps", p->cfg.speed);
483
484 switch (p->cfg.parity & CSIZE) {
485 case CS7:
486 prompt_Printf(arg->prompt, ", cs7");
487 break;
488 case CS8:
489 prompt_Printf(arg->prompt, ", cs8");
490 break;
491 }
492 if (p->cfg.parity & PARENB) {
493 if (p->cfg.parity & PARODD)
494 prompt_Printf(arg->prompt, ", odd parity");
495 else
496 prompt_Printf(arg->prompt, ", even parity");
497 } else
498 prompt_Printf(arg->prompt, ", no parity");
499
500 prompt_Printf(arg->prompt, ", CTS/RTS %s\n", (p->cfg.rts_cts ? "on" : "off"));
501
502 prompt_Printf(arg->prompt, " CD check delay: ");
503 cd = p->handler ? &p->handler->cd : &p->cfg.cd;
504 if (cd->necessity == CD_NOTREQUIRED)
505 prompt_Printf(arg->prompt, "no cd");
506 else if (p->cfg.cd.necessity == CD_DEFAULT) {
507 prompt_Printf(arg->prompt, "device specific");
508 } else {
509 prompt_Printf(arg->prompt, "%d second%s", p->cfg.cd.delay,
510 p->cfg.cd.delay == 1 ? "" : "s");
511 if (p->cfg.cd.necessity == CD_REQUIRED)
512 prompt_Printf(arg->prompt, " (required!)");
513 }
514 prompt_Printf(arg->prompt, "\n\n");
515
516 throughput_disp(&p->link.stats.total, arg->prompt);
517
518 return 0;
519}
520
521void
522physical_DescriptorRead(struct fdescriptor *d, struct bundle *bundle,
523 const fd_set *fdset)
524{
525 struct physical *p = descriptor2physical(d);
526 u_char *rbuff;
527 int n, found;
528
529 rbuff = p->input.buf + p->input.sz;
530
531 /* something to read */
532 n = physical_Read(p, rbuff, sizeof p->input.buf - p->input.sz);
533 log_Printf(LogDEBUG, "%s: DescriptorRead: read %d/%d from %d\n",
534 p->link.name, n, (int)(sizeof p->input.buf - p->input.sz), p->fd);
535 if (n <= 0) {
536 if (n < 0)
537 log_Printf(LogPHASE, "%s: read (%d): %s\n", p->link.name, p->fd,
538 strerror(errno));
539 else
540 log_Printf(LogPHASE, "%s: read (%d): Got zero bytes\n",
541 p->link.name, p->fd);
542 datalink_Down(p->dl, CLOSE_NORMAL);
543 return;
544 }
545
546 rbuff -= p->input.sz;
547 n += p->input.sz;
548
549 if (p->link.lcp.fsm.state <= ST_CLOSED) {
550 if (p->type != PHYS_DEDICATED) {
551 found = hdlc_Detect((u_char const **)&rbuff, n, physical_IsSync(p));
552 if (rbuff != p->input.buf)
553 log_WritePrompts(p->dl, "%.*s", (int)(rbuff - p->input.buf),
554 p->input.buf);
555 p->input.sz = n - (rbuff - p->input.buf);
556
557 if (found) {
558 /* LCP packet is detected. Turn ourselves into packet mode */
559 log_Printf(LogPHASE, "%s: PPP packet detected, coming up\n",
560 p->link.name);
561 log_SetTtyCommandMode(p->dl);
562 datalink_Up(p->dl, 0, 1);
563 link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
564 p->input.sz = 0;
565 } else
566 bcopy(rbuff, p->input.buf, p->input.sz);
567 } else
568 /* In -dedicated mode, we just discard input until LCP is started */
569 p->input.sz = 0;
570 } else if (n > 0)
571 link_PullPacket(&p->link, rbuff, n, bundle);
572}
573
574struct physical *
575iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
576 int fd, int *auxfd, int *nauxfd)
577{
578 struct physical *p;
579 int len, h, type;
580
581 p = (struct physical *)iov[(*niov)++].iov_base;
582 p->link.name = dl->name;
583 memset(p->link.Queue, '\0', sizeof p->link.Queue);
584
585 p->desc.UpdateSet = physical_UpdateSet;
586 p->desc.IsSet = physical_IsSet;
587 p->desc.Read = physical_DescriptorRead;
588 p->desc.Write = physical_DescriptorWrite;
589 p->type = PHYS_DIRECT;
590 p->dl = dl;
591 len = strlen(_PATH_DEV);
592 p->out = NULL;
593 p->connect_count = 1;
594
595 physical_SetDevice(p, p->name.full);
596
597 p->link.lcp.fsm.bundle = dl->bundle;
598 p->link.lcp.fsm.link = &p->link;
599 memset(&p->link.lcp.fsm.FsmTimer, '\0', sizeof p->link.lcp.fsm.FsmTimer);
600 memset(&p->link.lcp.fsm.OpenTimer, '\0', sizeof p->link.lcp.fsm.OpenTimer);
601 memset(&p->link.lcp.fsm.StoppedTimer, '\0',
602 sizeof p->link.lcp.fsm.StoppedTimer);
603 p->link.lcp.fsm.parent = &dl->fsmp;
604 lcp_SetupCallbacks(&p->link.lcp);
605
606 p->link.ccp.fsm.bundle = dl->bundle;
607 p->link.ccp.fsm.link = &p->link;
608 /* Our in.state & out.state are NULL (no link-level ccp yet) */
609 memset(&p->link.ccp.fsm.FsmTimer, '\0', sizeof p->link.ccp.fsm.FsmTimer);
610 memset(&p->link.ccp.fsm.OpenTimer, '\0', sizeof p->link.ccp.fsm.OpenTimer);
611 memset(&p->link.ccp.fsm.StoppedTimer, '\0',
612 sizeof p->link.ccp.fsm.StoppedTimer);
613 p->link.ccp.fsm.parent = &dl->fsmp;
614 ccp_SetupCallbacks(&p->link.ccp);
615
616 p->hdlc.lqm.owner = &p->link.lcp;
617 p->hdlc.ReportTimer.state = TIMER_STOPPED;
618 p->hdlc.lqm.timer.state = TIMER_STOPPED;
619
620 p->fd = fd;
621 p->link.stats.total.in.SampleOctets = (long long *)iov[(*niov)++].iov_base;
622 p->link.stats.total.out.SampleOctets = (long long *)iov[(*niov)++].iov_base;
623 p->link.stats.parent = dl->bundle->ncp.mp.active ?
624 &dl->bundle->ncp.mp.link.stats.total : NULL;
625 p->link.stats.gather = 1;
626
627 type = (long)p->handler;
628 p->handler = NULL;
629 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
630 p->handler = (*devices[h].iov2device)(type, p, iov, niov, maxiov,
631 auxfd, nauxfd);
632 if (p->handler == NULL) {
633 log_Printf(LogPHASE, "%s: Unknown link type\n", p->link.name);
634 free(iov[(*niov)++].iov_base);
635 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
636 } else
637 log_Printf(LogPHASE, "%s: Device %s, link type is %s\n",
638 p->link.name, p->name.full, p->handler->name);
639
640 if (p->hdlc.lqm.method && p->hdlc.lqm.timer.load)
641 lqr_reStart(&p->link.lcp);
642 hdlc_StartTimer(&p->hdlc);
643
644 throughput_restart(&p->link.stats.total, "physical throughput",
645 Enabled(dl->bundle, OPT_THROUGHPUT));
646
647 return p;
648}
649
650int
651physical_MaxDeviceSize()
652{
653 int biggest, sz, n;
654
655 biggest = sizeof(struct device);
656 for (sz = n = 0; n < NDEVICES; n++)
657 if (devices[n].DeviceSize) {
658 sz = (*devices[n].DeviceSize)();
659 if (biggest < sz)
660 biggest = sz;
661 }
662
663 return biggest;
664}
665
666int
667physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
668 int *auxfd, int *nauxfd)
669{
670 struct device *h;
671 int sz;
672
673 h = NULL;
674 if (p) {
675 hdlc_StopTimer(&p->hdlc);
676 lqr_StopTimer(p);
677 timer_Stop(&p->link.lcp.fsm.FsmTimer);
678 timer_Stop(&p->link.ccp.fsm.FsmTimer);
679 timer_Stop(&p->link.lcp.fsm.OpenTimer);
680 timer_Stop(&p->link.ccp.fsm.OpenTimer);
681 timer_Stop(&p->link.lcp.fsm.StoppedTimer);
682 timer_Stop(&p->link.ccp.fsm.StoppedTimer);
683 if (p->handler) {
684 h = p->handler;
685 p->handler = (struct device *)(long)p->handler->type;
686 }
687
688 if (Enabled(p->dl->bundle, OPT_KEEPSESSION) ||
689 tcgetpgrp(p->fd) == getpgrp())
690 p->session_owner = getpid(); /* So I'll eventually get HUP'd */
691 else
692 p->session_owner = (pid_t)-1;
693 timer_Stop(&p->link.stats.total.Timer);
694 }
695
696 if (*niov + 2 >= maxiov) {
697 log_Printf(LogERROR, "physical2iov: No room for physical + throughput"
698 " + device !\n");
699 if (p)
700 free(p);
701 return -1;
702 }
703
704 iov[*niov].iov_base = (void *)p;
705 iov[*niov].iov_len = sizeof *p;
706 (*niov)++;
707
708 iov[*niov].iov_base = p ? (void *)p->link.stats.total.in.SampleOctets : NULL;
709 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
710 (*niov)++;
711 iov[*niov].iov_base = p ? (void *)p->link.stats.total.out.SampleOctets : NULL;
712 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
713 (*niov)++;
714
715 sz = physical_MaxDeviceSize();
716 if (p) {
717 if (h && h->device2iov)
718 (*h->device2iov)(h, iov, niov, maxiov, auxfd, nauxfd);
719 else {
720 iov[*niov].iov_base = malloc(sz);
721 if (h)
722 memcpy(iov[*niov].iov_base, h, sizeof *h);
723 iov[*niov].iov_len = sz;
724 (*niov)++;
725 }
726 } else {
727 iov[*niov].iov_base = NULL;
728 iov[*niov].iov_len = sz;
729 (*niov)++;
730 }
731
732 return p ? p->fd : 0;
733}
734
735const char *
736physical_LockedDevice(struct physical *p)
737{
738 if (p->fd >= 0 && *p->name.full == '/' && p->type != PHYS_DIRECT)
739 return p->name.base;
740
741 return NULL;
742}
743
744void
745physical_ChangedPid(struct physical *p, pid_t newpid)
746{
747 if (physical_LockedDevice(p)) {
748 int res;
749
750 if ((res = ID0uu_lock_txfr(p->name.base, newpid)) != UU_LOCK_OK)
751 log_Printf(LogPHASE, "uu_lock_txfr: %s\n", uu_lockerr(res));
752 }
753}
754
755int
756physical_IsSync(struct physical *p)
757{
758 return p->cfg.speed == 0;
759}
760
| 20 *
21 */
22
23#include <sys/param.h>
24#include <netinet/in.h>
25#include <netinet/in_systm.h>
26#include <netinet/ip.h>
27#include <sys/un.h>
28
29#include <errno.h>
30#include <fcntl.h>
31#include <paths.h>
32#ifdef NOSUID
33#include <signal.h>
34#endif
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38#include <sys/tty.h> /* TIOCOUTQ */
39#include <sys/uio.h>
40#include <time.h>
41#include <unistd.h>
42#include <utmp.h>
43#if defined(__OpenBSD__) || defined(__NetBSD__)
44#include <sys/ioctl.h>
45#include <util.h>
46#else
47#include <libutil.h>
48#endif
49
50#include "layer.h"
51#ifndef NONAT
52#include "nat_cmd.h"
53#endif
54#include "proto.h"
55#include "acf.h"
56#include "vjcomp.h"
57#include "defs.h"
58#include "command.h"
59#include "mbuf.h"
60#include "log.h"
61#include "id.h"
62#include "timer.h"
63#include "fsm.h"
64#include "lqr.h"
65#include "hdlc.h"
66#include "lcp.h"
67#include "throughput.h"
68#include "sync.h"
69#include "async.h"
70#include "iplist.h"
71#include "slcompress.h"
72#include "ipcp.h"
73#include "filter.h"
74#include "descriptor.h"
75#include "ccp.h"
76#include "link.h"
77#include "physical.h"
78#include "mp.h"
79#ifndef NORADIUS
80#include "radius.h"
81#endif
82#include "bundle.h"
83#include "prompt.h"
84#include "chat.h"
85#include "auth.h"
86#include "chap.h"
87#include "cbcp.h"
88#include "datalink.h"
89#include "tcp.h"
90#include "udp.h"
91#include "exec.h"
92#include "tty.h"
93#ifndef NOI4B
94#include "i4b.h"
95#endif
96#ifndef NONETGRAPH
97#include "ether.h"
98#endif
99#ifndef NOATM
100#include "atm.h"
101#endif
102#include "tcpmss.h"
103
104#define PPPOTCPLINE "ppp"
105
106static int physical_DescriptorWrite(struct fdescriptor *, struct bundle *,
107 const fd_set *);
108
109static int
110physical_DeviceSize(void)
111{
112 return sizeof(struct device);
113}
114
115struct {
116 struct device *(*create)(struct physical *);
117 struct device *(*iov2device)(int, struct physical *, struct iovec *,
118 int *, int, int *, int *);
119 int (*DeviceSize)(void);
120} devices[] = {
121#ifndef NOI4B
122 /*
123 * This must come before ``tty'' so that the probe routine is
124 * able to identify it as a more specific type of terminal device.
125 */
126 { i4b_Create, i4b_iov2device, i4b_DeviceSize },
127#endif
128 { tty_Create, tty_iov2device, tty_DeviceSize },
129#ifndef NONETGRAPH
130 /*
131 * This must come before ``udp'' so that the probe routine is
132 * able to identify it as a more specific type of SOCK_DGRAM.
133 */
134 { ether_Create, ether_iov2device, ether_DeviceSize },
135#endif
136#ifndef NOATM
137 /* Ditto for ATM devices */
138 { atm_Create, atm_iov2device, atm_DeviceSize },
139#endif
140 { tcp_Create, tcp_iov2device, tcp_DeviceSize },
141 { udp_Create, udp_iov2device, udp_DeviceSize },
142 { exec_Create, exec_iov2device, exec_DeviceSize }
143};
144
145#define NDEVICES (sizeof devices / sizeof devices[0])
146
147static int
148physical_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
149 int *n)
150{
151 return physical_doUpdateSet(d, r, w, e, n, 0);
152}
153
154void
155physical_SetDescriptor(struct physical *p)
156{
157 p->desc.type = PHYSICAL_DESCRIPTOR;
158 p->desc.UpdateSet = physical_UpdateSet;
159 p->desc.IsSet = physical_IsSet;
160 p->desc.Read = physical_DescriptorRead;
161 p->desc.Write = physical_DescriptorWrite;
162}
163
164struct physical *
165physical_Create(struct datalink *dl, int type)
166{
167 struct physical *p;
168
169 p = (struct physical *)malloc(sizeof(struct physical));
170 if (!p)
171 return NULL;
172
173 p->link.type = PHYSICAL_LINK;
174 p->link.name = dl->name;
175 p->link.len = sizeof *p;
176
177 /* The sample period is fixed - see physical2iov() & iov2physical() */
178 throughput_init(&p->link.stats.total, SAMPLE_PERIOD);
179 p->link.stats.parent = dl->bundle->ncp.mp.active ?
180 &dl->bundle->ncp.mp.link.stats.total : NULL;
181 p->link.stats.gather = 1;
182
183 memset(p->link.Queue, '\0', sizeof p->link.Queue);
184 memset(p->link.proto_in, '\0', sizeof p->link.proto_in);
185 memset(p->link.proto_out, '\0', sizeof p->link.proto_out);
186 link_EmptyStack(&p->link);
187
188 p->handler = NULL;
189 physical_SetDescriptor(p);
190 p->type = type;
191
192 hdlc_Init(&p->hdlc, &p->link.lcp);
193 async_Init(&p->async);
194
195 p->fd = -1;
196 p->out = NULL;
197 p->connect_count = 0;
198 p->dl = dl;
199 p->input.sz = 0;
200 *p->name.full = '\0';
201 p->name.base = p->name.full;
202
203 p->Utmp = 0;
204 p->session_owner = (pid_t)-1;
205
206 p->cfg.rts_cts = MODEM_CTSRTS;
207 p->cfg.speed = MODEM_SPEED;
208 p->cfg.parity = CS8;
209 memcpy(p->cfg.devlist, MODEM_LIST, sizeof MODEM_LIST);
210 p->cfg.ndev = NMODEMS;
211 p->cfg.cd.necessity = CD_DEFAULT;
212 p->cfg.cd.delay = 0; /* reconfigured or device specific default */
213
214 lcp_Init(&p->link.lcp, dl->bundle, &p->link, &dl->fsmp);
215 ccp_Init(&p->link.ccp, dl->bundle, &p->link, &dl->fsmp);
216
217 return p;
218}
219
220static const struct parity {
221 const char *name;
222 const char *name1;
223 int set;
224} validparity[] = {
225 { "even", "P_EVEN", CS7 | PARENB },
226 { "odd", "P_ODD", CS7 | PARENB | PARODD },
227 { "none", "P_ZERO", CS8 },
228 { NULL, 0 },
229};
230
231static int
232GetParityValue(const char *str)
233{
234 const struct parity *pp;
235
236 for (pp = validparity; pp->name; pp++) {
237 if (strcasecmp(pp->name, str) == 0 ||
238 strcasecmp(pp->name1, str) == 0) {
239 return pp->set;
240 }
241 }
242 return (-1);
243}
244
245int
246physical_SetParity(struct physical *p, const char *str)
247{
248 struct termios rstio;
249 int val;
250
251 val = GetParityValue(str);
252 if (val > 0) {
253 p->cfg.parity = val;
254 if (p->fd >= 0) {
255 tcgetattr(p->fd, &rstio);
256 rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
257 rstio.c_cflag |= val;
258 tcsetattr(p->fd, TCSADRAIN, &rstio);
259 }
260 return 0;
261 }
262 log_Printf(LogWARN, "%s: %s: Invalid parity\n", p->link.name, str);
263 return -1;
264}
265
266int
267physical_GetSpeed(struct physical *p)
268{
269 if (p->handler && p->handler->speed)
270 return (*p->handler->speed)(p);
271
272 return 0;
273}
274
275int
276physical_SetSpeed(struct physical *p, int speed)
277{
278 if (IntToSpeed(speed) != B0) {
279 p->cfg.speed = speed;
280 return 1;
281 }
282
283 return 0;
284}
285
286int
287physical_Raw(struct physical *p)
288{
289 if (p->handler && p->handler->raw)
290 return (*p->handler->raw)(p);
291
292 return 1;
293}
294
295void
296physical_Offline(struct physical *p)
297{
298 if (p->handler && p->handler->offline)
299 (*p->handler->offline)(p);
300 log_Printf(LogPHASE, "%s: Disconnected!\n", p->link.name);
301}
302
303static int
304physical_Lock(struct physical *p)
305{
306 int res;
307
308 if (*p->name.full == '/' && p->type != PHYS_DIRECT &&
309 (res = ID0uu_lock(p->name.base)) != UU_LOCK_OK) {
310 if (res == UU_LOCK_INUSE)
311 log_Printf(LogPHASE, "%s: %s is in use\n", p->link.name, p->name.full);
312 else
313 log_Printf(LogPHASE, "%s: %s is in use: uu_lock: %s\n",
314 p->link.name, p->name.full, uu_lockerr(res));
315 return 0;
316 }
317
318 return 1;
319}
320
321static void
322physical_Unlock(struct physical *p)
323{
324 if (*p->name.full == '/' && p->type != PHYS_DIRECT &&
325 ID0uu_unlock(p->name.base) == -1)
326 log_Printf(LogALERT, "%s: Can't uu_unlock %s\n", p->link.name,
327 p->name.base);
328}
329
330void
331physical_Close(struct physical *p)
332{
333 int newsid;
334 char fn[PATH_MAX];
335
336 if (p->fd < 0)
337 return;
338
339 log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
340
341 if (p->handler && p->handler->cooked)
342 (*p->handler->cooked)(p);
343
344 physical_StopDeviceTimer(p);
345 if (p->Utmp) {
346 if (p->handler && (p->handler->type == TCP_DEVICE ||
347 p->handler->type == UDP_DEVICE))
348 /* Careful - we logged in on line ``ppp'' with IP as our host */
349 ID0logout(PPPOTCPLINE, 1);
350 else
351 ID0logout(p->name.base, 0);
352 p->Utmp = 0;
353 }
354 newsid = tcgetpgrp(p->fd) == getpgrp();
355 close(p->fd);
356 p->fd = -1;
357 log_SetTtyCommandMode(p->dl);
358
359 throughput_stop(&p->link.stats.total);
360 throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
361
362 if (p->session_owner != (pid_t)-1) {
363 log_Printf(LogPHASE, "%s: HUPing %d\n", p->link.name,
364 (int)p->session_owner);
365 ID0kill(p->session_owner, SIGHUP);
366 p->session_owner = (pid_t)-1;
367 }
368
369 if (newsid)
370 bundle_setsid(p->dl->bundle, 0);
371
372 if (*p->name.full == '/') {
373 snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
374#ifndef RELEASE_CRUNCH
375 if (ID0unlink(fn) == -1)
376 log_Printf(LogALERT, "%s: Can't remove %s: %s\n",
377 p->link.name, fn, strerror(errno));
378#else
379 ID0unlink(fn);
380#endif
381 }
382 physical_Unlock(p);
383 if (p->handler && p->handler->destroy)
384 (*p->handler->destroy)(p);
385 p->handler = NULL;
386 p->name.base = p->name.full;
387 *p->name.full = '\0';
388}
389
390void
391physical_Destroy(struct physical *p)
392{
393 physical_Close(p);
394 throughput_destroy(&p->link.stats.total);
395 free(p);
396}
397
398static int
399physical_DescriptorWrite(struct fdescriptor *d, struct bundle *bundle,
400 const fd_set *fdset)
401{
402 struct physical *p = descriptor2physical(d);
403 int nw, result = 0;
404
405 if (p->out == NULL)
406 p->out = link_Dequeue(&p->link);
407
408 if (p->out) {
409 nw = physical_Write(p, MBUF_CTOP(p->out), p->out->m_len);
410 log_Printf(LogDEBUG, "%s: DescriptorWrite: wrote %d(%lu) to %d\n",
411 p->link.name, nw, (unsigned long)p->out->m_len, p->fd);
412 if (nw > 0) {
413 p->out->m_len -= nw;
414 p->out->m_offset += nw;
415 if (p->out->m_len == 0)
416 p->out = m_free(p->out);
417 result = 1;
418 } else if (nw < 0) {
419 if (errno == EAGAIN)
420 result = 1;
421 else if (errno != ENOBUFS) {
422 log_Printf(LogPHASE, "%s: write (%d): %s\n", p->link.name,
423 p->fd, strerror(errno));
424 datalink_Down(p->dl, CLOSE_NORMAL);
425 }
426 }
427 /* else we shouldn't really have been called ! select() is broken ! */
428 }
429
430 return result;
431}
432
433int
434physical_ShowStatus(struct cmdargs const *arg)
435{
436 struct physical *p = arg->cx->physical;
437 struct cd *cd;
438 const char *dev;
439 int n;
440
441 prompt_Printf(arg->prompt, "Name: %s\n", p->link.name);
442 prompt_Printf(arg->prompt, " State: ");
443 if (p->fd < 0)
444 prompt_Printf(arg->prompt, "closed\n");
445 else if (p->handler && p->handler->openinfo)
446 prompt_Printf(arg->prompt, "open (%s)\n", (*p->handler->openinfo)(p));
447 else
448 prompt_Printf(arg->prompt, "open\n");
449
450 prompt_Printf(arg->prompt, " Device: %s",
451 *p->name.full ? p->name.full :
452 p->type == PHYS_DIRECT ? "unknown" : "N/A");
453 if (p->session_owner != (pid_t)-1)
454 prompt_Printf(arg->prompt, " (session owner: %d)", (int)p->session_owner);
455
456 prompt_Printf(arg->prompt, "\n Link Type: %s\n", mode2Nam(p->type));
457 prompt_Printf(arg->prompt, " Connect Count: %d\n", p->connect_count);
458#ifdef TIOCOUTQ
459 if (p->fd >= 0 && ioctl(p->fd, TIOCOUTQ, &n) >= 0)
460 prompt_Printf(arg->prompt, " Physical outq: %d\n", n);
461#endif
462
463 prompt_Printf(arg->prompt, " Queued Packets: %lu\n",
464 (u_long)link_QueueLen(&p->link));
465 prompt_Printf(arg->prompt, " Phone Number: %s\n", arg->cx->phone.chosen);
466
467 prompt_Printf(arg->prompt, "\nDefaults:\n");
468
469 prompt_Printf(arg->prompt, " Device List: ");
470 dev = p->cfg.devlist;
471 for (n = 0; n < p->cfg.ndev; n++) {
472 if (n)
473 prompt_Printf(arg->prompt, ", ");
474 prompt_Printf(arg->prompt, "\"%s\"", dev);
475 dev += strlen(dev) + 1;
476 }
477
478 prompt_Printf(arg->prompt, "\n Characteristics: ");
479 if (physical_IsSync(arg->cx->physical))
480 prompt_Printf(arg->prompt, "sync");
481 else
482 prompt_Printf(arg->prompt, "%dbps", p->cfg.speed);
483
484 switch (p->cfg.parity & CSIZE) {
485 case CS7:
486 prompt_Printf(arg->prompt, ", cs7");
487 break;
488 case CS8:
489 prompt_Printf(arg->prompt, ", cs8");
490 break;
491 }
492 if (p->cfg.parity & PARENB) {
493 if (p->cfg.parity & PARODD)
494 prompt_Printf(arg->prompt, ", odd parity");
495 else
496 prompt_Printf(arg->prompt, ", even parity");
497 } else
498 prompt_Printf(arg->prompt, ", no parity");
499
500 prompt_Printf(arg->prompt, ", CTS/RTS %s\n", (p->cfg.rts_cts ? "on" : "off"));
501
502 prompt_Printf(arg->prompt, " CD check delay: ");
503 cd = p->handler ? &p->handler->cd : &p->cfg.cd;
504 if (cd->necessity == CD_NOTREQUIRED)
505 prompt_Printf(arg->prompt, "no cd");
506 else if (p->cfg.cd.necessity == CD_DEFAULT) {
507 prompt_Printf(arg->prompt, "device specific");
508 } else {
509 prompt_Printf(arg->prompt, "%d second%s", p->cfg.cd.delay,
510 p->cfg.cd.delay == 1 ? "" : "s");
511 if (p->cfg.cd.necessity == CD_REQUIRED)
512 prompt_Printf(arg->prompt, " (required!)");
513 }
514 prompt_Printf(arg->prompt, "\n\n");
515
516 throughput_disp(&p->link.stats.total, arg->prompt);
517
518 return 0;
519}
520
521void
522physical_DescriptorRead(struct fdescriptor *d, struct bundle *bundle,
523 const fd_set *fdset)
524{
525 struct physical *p = descriptor2physical(d);
526 u_char *rbuff;
527 int n, found;
528
529 rbuff = p->input.buf + p->input.sz;
530
531 /* something to read */
532 n = physical_Read(p, rbuff, sizeof p->input.buf - p->input.sz);
533 log_Printf(LogDEBUG, "%s: DescriptorRead: read %d/%d from %d\n",
534 p->link.name, n, (int)(sizeof p->input.buf - p->input.sz), p->fd);
535 if (n <= 0) {
536 if (n < 0)
537 log_Printf(LogPHASE, "%s: read (%d): %s\n", p->link.name, p->fd,
538 strerror(errno));
539 else
540 log_Printf(LogPHASE, "%s: read (%d): Got zero bytes\n",
541 p->link.name, p->fd);
542 datalink_Down(p->dl, CLOSE_NORMAL);
543 return;
544 }
545
546 rbuff -= p->input.sz;
547 n += p->input.sz;
548
549 if (p->link.lcp.fsm.state <= ST_CLOSED) {
550 if (p->type != PHYS_DEDICATED) {
551 found = hdlc_Detect((u_char const **)&rbuff, n, physical_IsSync(p));
552 if (rbuff != p->input.buf)
553 log_WritePrompts(p->dl, "%.*s", (int)(rbuff - p->input.buf),
554 p->input.buf);
555 p->input.sz = n - (rbuff - p->input.buf);
556
557 if (found) {
558 /* LCP packet is detected. Turn ourselves into packet mode */
559 log_Printf(LogPHASE, "%s: PPP packet detected, coming up\n",
560 p->link.name);
561 log_SetTtyCommandMode(p->dl);
562 datalink_Up(p->dl, 0, 1);
563 link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
564 p->input.sz = 0;
565 } else
566 bcopy(rbuff, p->input.buf, p->input.sz);
567 } else
568 /* In -dedicated mode, we just discard input until LCP is started */
569 p->input.sz = 0;
570 } else if (n > 0)
571 link_PullPacket(&p->link, rbuff, n, bundle);
572}
573
574struct physical *
575iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
576 int fd, int *auxfd, int *nauxfd)
577{
578 struct physical *p;
579 int len, h, type;
580
581 p = (struct physical *)iov[(*niov)++].iov_base;
582 p->link.name = dl->name;
583 memset(p->link.Queue, '\0', sizeof p->link.Queue);
584
585 p->desc.UpdateSet = physical_UpdateSet;
586 p->desc.IsSet = physical_IsSet;
587 p->desc.Read = physical_DescriptorRead;
588 p->desc.Write = physical_DescriptorWrite;
589 p->type = PHYS_DIRECT;
590 p->dl = dl;
591 len = strlen(_PATH_DEV);
592 p->out = NULL;
593 p->connect_count = 1;
594
595 physical_SetDevice(p, p->name.full);
596
597 p->link.lcp.fsm.bundle = dl->bundle;
598 p->link.lcp.fsm.link = &p->link;
599 memset(&p->link.lcp.fsm.FsmTimer, '\0', sizeof p->link.lcp.fsm.FsmTimer);
600 memset(&p->link.lcp.fsm.OpenTimer, '\0', sizeof p->link.lcp.fsm.OpenTimer);
601 memset(&p->link.lcp.fsm.StoppedTimer, '\0',
602 sizeof p->link.lcp.fsm.StoppedTimer);
603 p->link.lcp.fsm.parent = &dl->fsmp;
604 lcp_SetupCallbacks(&p->link.lcp);
605
606 p->link.ccp.fsm.bundle = dl->bundle;
607 p->link.ccp.fsm.link = &p->link;
608 /* Our in.state & out.state are NULL (no link-level ccp yet) */
609 memset(&p->link.ccp.fsm.FsmTimer, '\0', sizeof p->link.ccp.fsm.FsmTimer);
610 memset(&p->link.ccp.fsm.OpenTimer, '\0', sizeof p->link.ccp.fsm.OpenTimer);
611 memset(&p->link.ccp.fsm.StoppedTimer, '\0',
612 sizeof p->link.ccp.fsm.StoppedTimer);
613 p->link.ccp.fsm.parent = &dl->fsmp;
614 ccp_SetupCallbacks(&p->link.ccp);
615
616 p->hdlc.lqm.owner = &p->link.lcp;
617 p->hdlc.ReportTimer.state = TIMER_STOPPED;
618 p->hdlc.lqm.timer.state = TIMER_STOPPED;
619
620 p->fd = fd;
621 p->link.stats.total.in.SampleOctets = (long long *)iov[(*niov)++].iov_base;
622 p->link.stats.total.out.SampleOctets = (long long *)iov[(*niov)++].iov_base;
623 p->link.stats.parent = dl->bundle->ncp.mp.active ?
624 &dl->bundle->ncp.mp.link.stats.total : NULL;
625 p->link.stats.gather = 1;
626
627 type = (long)p->handler;
628 p->handler = NULL;
629 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
630 p->handler = (*devices[h].iov2device)(type, p, iov, niov, maxiov,
631 auxfd, nauxfd);
632 if (p->handler == NULL) {
633 log_Printf(LogPHASE, "%s: Unknown link type\n", p->link.name);
634 free(iov[(*niov)++].iov_base);
635 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
636 } else
637 log_Printf(LogPHASE, "%s: Device %s, link type is %s\n",
638 p->link.name, p->name.full, p->handler->name);
639
640 if (p->hdlc.lqm.method && p->hdlc.lqm.timer.load)
641 lqr_reStart(&p->link.lcp);
642 hdlc_StartTimer(&p->hdlc);
643
644 throughput_restart(&p->link.stats.total, "physical throughput",
645 Enabled(dl->bundle, OPT_THROUGHPUT));
646
647 return p;
648}
649
650int
651physical_MaxDeviceSize()
652{
653 int biggest, sz, n;
654
655 biggest = sizeof(struct device);
656 for (sz = n = 0; n < NDEVICES; n++)
657 if (devices[n].DeviceSize) {
658 sz = (*devices[n].DeviceSize)();
659 if (biggest < sz)
660 biggest = sz;
661 }
662
663 return biggest;
664}
665
666int
667physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
668 int *auxfd, int *nauxfd)
669{
670 struct device *h;
671 int sz;
672
673 h = NULL;
674 if (p) {
675 hdlc_StopTimer(&p->hdlc);
676 lqr_StopTimer(p);
677 timer_Stop(&p->link.lcp.fsm.FsmTimer);
678 timer_Stop(&p->link.ccp.fsm.FsmTimer);
679 timer_Stop(&p->link.lcp.fsm.OpenTimer);
680 timer_Stop(&p->link.ccp.fsm.OpenTimer);
681 timer_Stop(&p->link.lcp.fsm.StoppedTimer);
682 timer_Stop(&p->link.ccp.fsm.StoppedTimer);
683 if (p->handler) {
684 h = p->handler;
685 p->handler = (struct device *)(long)p->handler->type;
686 }
687
688 if (Enabled(p->dl->bundle, OPT_KEEPSESSION) ||
689 tcgetpgrp(p->fd) == getpgrp())
690 p->session_owner = getpid(); /* So I'll eventually get HUP'd */
691 else
692 p->session_owner = (pid_t)-1;
693 timer_Stop(&p->link.stats.total.Timer);
694 }
695
696 if (*niov + 2 >= maxiov) {
697 log_Printf(LogERROR, "physical2iov: No room for physical + throughput"
698 " + device !\n");
699 if (p)
700 free(p);
701 return -1;
702 }
703
704 iov[*niov].iov_base = (void *)p;
705 iov[*niov].iov_len = sizeof *p;
706 (*niov)++;
707
708 iov[*niov].iov_base = p ? (void *)p->link.stats.total.in.SampleOctets : NULL;
709 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
710 (*niov)++;
711 iov[*niov].iov_base = p ? (void *)p->link.stats.total.out.SampleOctets : NULL;
712 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
713 (*niov)++;
714
715 sz = physical_MaxDeviceSize();
716 if (p) {
717 if (h && h->device2iov)
718 (*h->device2iov)(h, iov, niov, maxiov, auxfd, nauxfd);
719 else {
720 iov[*niov].iov_base = malloc(sz);
721 if (h)
722 memcpy(iov[*niov].iov_base, h, sizeof *h);
723 iov[*niov].iov_len = sz;
724 (*niov)++;
725 }
726 } else {
727 iov[*niov].iov_base = NULL;
728 iov[*niov].iov_len = sz;
729 (*niov)++;
730 }
731
732 return p ? p->fd : 0;
733}
734
735const char *
736physical_LockedDevice(struct physical *p)
737{
738 if (p->fd >= 0 && *p->name.full == '/' && p->type != PHYS_DIRECT)
739 return p->name.base;
740
741 return NULL;
742}
743
744void
745physical_ChangedPid(struct physical *p, pid_t newpid)
746{
747 if (physical_LockedDevice(p)) {
748 int res;
749
750 if ((res = ID0uu_lock_txfr(p->name.base, newpid)) != UU_LOCK_OK)
751 log_Printf(LogPHASE, "uu_lock_txfr: %s\n", uu_lockerr(res));
752 }
753}
754
755int
756physical_IsSync(struct physical *p)
757{
758 return p->cfg.speed == 0;
759}
760
|
761const char *physical_GetDevice(struct physical *p)
762{
763 return p->name.full;
764}
765
766void
767physical_SetDeviceList(struct physical *p, int argc, const char *const *argv)
768{
769 int f, pos;
770
771 p->cfg.devlist[sizeof p->cfg.devlist - 1] = '\0';
772 for (f = 0, pos = 0; f < argc && pos < sizeof p->cfg.devlist - 1; f++) {
773 if (pos)
774 p->cfg.devlist[pos++] = '\0';
775 strncpy(p->cfg.devlist + pos, argv[f], sizeof p->cfg.devlist - pos - 1);
776 pos += strlen(p->cfg.devlist + pos);
777 }
778 p->cfg.ndev = f;
779}
780
781void
782physical_SetSync(struct physical *p)
783{
784 p->cfg.speed = 0;
785}
786
787int
788physical_SetRtsCts(struct physical *p, int enable)
789{
790 p->cfg.rts_cts = enable ? 1 : 0;
791 return 1;
792}
793
794ssize_t
795physical_Read(struct physical *p, void *buf, size_t nbytes)
796{
797 ssize_t ret;
798
799 if (p->handler && p->handler->read)
800 ret = (*p->handler->read)(p, buf, nbytes);
801 else
802 ret = read(p->fd, buf, nbytes);
803
804 log_DumpBuff(LogPHYSICAL, "read", buf, ret);
805
806 return ret;
807}
808
809ssize_t
810physical_Write(struct physical *p, const void *buf, size_t nbytes)
811{
812 log_DumpBuff(LogPHYSICAL, "write", buf, nbytes);
813
814 if (p->handler && p->handler->write)
815 return (*p->handler->write)(p, buf, nbytes);
816
817 return write(p->fd, buf, nbytes);
818}
819
820int
821physical_doUpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
822 int *n, int force)
823{
824 struct physical *p = descriptor2physical(d);
825 int sets;
826
827 sets = 0;
828 if (p->fd >= 0) {
829 if (r) {
830 FD_SET(p->fd, r);
831 log_Printf(LogTIMER, "%s: fdset(r) %d\n", p->link.name, p->fd);
832 sets++;
833 }
834 if (e) {
835 FD_SET(p->fd, e);
836 log_Printf(LogTIMER, "%s: fdset(e) %d\n", p->link.name, p->fd);
837 sets++;
838 }
839 if (w && (force || link_QueueLen(&p->link) || p->out)) {
840 FD_SET(p->fd, w);
841 log_Printf(LogTIMER, "%s: fdset(w) %d\n", p->link.name, p->fd);
842 sets++;
843 }
844 if (sets && *n < p->fd + 1)
845 *n = p->fd + 1;
846 }
847
848 return sets;
849}
850
851int
852physical_RemoveFromSet(struct physical *p, fd_set *r, fd_set *w, fd_set *e)
853{
854 if (p->handler && p->handler->removefromset)
855 return (*p->handler->removefromset)(p, r, w, e);
856 else {
857 int sets;
858
859 sets = 0;
860 if (p->fd >= 0) {
861 if (r && FD_ISSET(p->fd, r)) {
862 FD_CLR(p->fd, r);
863 log_Printf(LogTIMER, "%s: fdunset(r) %d\n", p->link.name, p->fd);
864 sets++;
865 }
866 if (e && FD_ISSET(p->fd, e)) {
867 FD_CLR(p->fd, e);
868 log_Printf(LogTIMER, "%s: fdunset(e) %d\n", p->link.name, p->fd);
869 sets++;
870 }
871 if (w && FD_ISSET(p->fd, w)) {
872 FD_CLR(p->fd, w);
873 log_Printf(LogTIMER, "%s: fdunset(w) %d\n", p->link.name, p->fd);
874 sets++;
875 }
876 }
877
878 return sets;
879 }
880}
881
882int
883physical_IsSet(struct fdescriptor *d, const fd_set *fdset)
884{
885 struct physical *p = descriptor2physical(d);
886 return p->fd >= 0 && FD_ISSET(p->fd, fdset);
887}
888
889void
890physical_Login(struct physical *p, const char *name)
891{
892 if (p->type == PHYS_DIRECT && *p->name.base && !p->Utmp) {
893 struct utmp ut;
894 const char *connstr;
895 char *colon;
896
897 memset(&ut, 0, sizeof ut);
898 time(&ut.ut_time);
899 strncpy(ut.ut_name, name, sizeof ut.ut_name);
900 if (p->handler && (p->handler->type == TCP_DEVICE ||
901 p->handler->type == UDP_DEVICE)) {
902 strncpy(ut.ut_line, PPPOTCPLINE, sizeof ut.ut_line);
903 strncpy(ut.ut_host, p->name.base, sizeof ut.ut_host);
904 colon = memchr(ut.ut_host, ':', sizeof ut.ut_host);
905 if (colon)
906 *colon = '\0';
907 } else
908 strncpy(ut.ut_line, p->name.base, sizeof ut.ut_line);
909 if ((connstr = getenv("CONNECT")))
910 /* mgetty sets this to the connection speed */
911 strncpy(ut.ut_host, connstr, sizeof ut.ut_host);
912 ID0login(&ut);
913 p->Utmp = ut.ut_time;
914 }
915}
916
917int
918physical_SetMode(struct physical *p, int mode)
919{
920 if ((p->type & (PHYS_DIRECT|PHYS_DEDICATED) ||
921 mode & (PHYS_DIRECT|PHYS_DEDICATED)) &&
922 (!(p->type & PHYS_DIRECT) || !(mode & PHYS_BACKGROUND))) {
923 /* Note: The -direct -> -background is for callback ! */
924 log_Printf(LogWARN, "%s: Cannot change mode %s to %s\n", p->link.name,
925 mode2Nam(p->type), mode2Nam(mode));
926 return 0;
927 }
928 p->type = mode;
929 return 1;
930}
931
932void
933physical_DeleteQueue(struct physical *p)
934{
935 if (p->out) {
936 m_freem(p->out);
937 p->out = NULL;
938 }
939 link_DeleteQueue(&p->link);
940}
941
942void
943physical_SetDevice(struct physical *p, const char *name)
944{
945 int len = strlen(_PATH_DEV);
946
947 if (name != p->name.full) {
948 strncpy(p->name.full, name, sizeof p->name.full - 1);
949 p->name.full[sizeof p->name.full - 1] = '\0';
950 }
951 p->name.base = *p->name.full == '!' ? p->name.full + 1 :
952 strncmp(p->name.full, _PATH_DEV, len) ?
953 p->name.full : p->name.full + len;
954}
955
956static void
957physical_Found(struct physical *p)
958{
959 FILE *lockfile;
960 char fn[PATH_MAX];
961
962 if (*p->name.full == '/') {
963 snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
964 lockfile = ID0fopen(fn, "w");
965 if (lockfile != NULL) {
966 fprintf(lockfile, "%s%d\n", TUN_NAME, p->dl->bundle->unit);
967 fclose(lockfile);
968 }
969#ifndef RELEASE_CRUNCH
970 else
971 log_Printf(LogALERT, "%s: Can't create %s: %s\n",
972 p->link.name, fn, strerror(errno));
973#endif
974 }
975
976 throughput_start(&p->link.stats.total, "physical throughput",
977 Enabled(p->dl->bundle, OPT_THROUGHPUT));
978 p->connect_count++;
979 p->input.sz = 0;
980
981 log_Printf(LogPHASE, "%s: Connected!\n", p->link.name);
982}
983
984int
985physical_Open(struct physical *p, struct bundle *bundle)
986{
987 int devno, h, wasfd, err;
988 char *dev;
989
990 if (p->fd >= 0)
991 log_Printf(LogDEBUG, "%s: Open: Modem is already open!\n", p->link.name);
992 /* We're going back into "term" mode */
993 else if (p->type == PHYS_DIRECT) {
994 physical_SetDevice(p, "");
995 p->fd = STDIN_FILENO;
996 for (h = 0; h < NDEVICES && p->handler == NULL && p->fd >= 0; h++)
997 p->handler = (*devices[h].create)(p);
998 if (p->fd >= 0) {
999 if (p->handler == NULL) {
1000 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
1001 log_Printf(LogDEBUG, "%s: stdin is unidentified\n", p->link.name);
1002 }
1003 physical_Found(p);
1004 }
1005 } else {
1006 dev = p->cfg.devlist;
1007 devno = 0;
1008 while (devno < p->cfg.ndev && p->fd < 0) {
1009 physical_SetDevice(p, dev);
1010 if (physical_Lock(p)) {
1011 err = 0;
1012
1013 if (*p->name.full == '/') {
1014 p->fd = ID0open(p->name.full, O_RDWR | O_NONBLOCK);
1015 if (p->fd < 0)
1016 err = errno;
1017 }
1018
1019 wasfd = p->fd;
1020 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
1021 if ((p->handler = (*devices[h].create)(p)) == NULL && wasfd != p->fd)
1022 break;
1023
1024 if (p->fd < 0) {
1025 if (h == NDEVICES) {
1026 if (err)
1027 log_Printf(LogWARN, "%s: %s: %s\n", p->link.name, p->name.full,
1028 strerror(errno));
1029 else
1030 log_Printf(LogWARN, "%s: Device (%s) must begin with a '/',"
1031 " a '!' or contain at least one ':'\n", p->link.name,
1032 p->name.full);
1033 }
1034 physical_Unlock(p);
1035 } else
1036 physical_Found(p);
1037 }
1038 dev += strlen(dev) + 1;
1039 devno++;
1040 }
1041 }
1042
1043 return p->fd;
1044}
1045
1046void
1047physical_SetupStack(struct physical *p, const char *who, int how)
1048{
1049 link_EmptyStack(&p->link);
1050 if (how == PHYSICAL_FORCE_SYNC || how == PHYSICAL_FORCE_SYNCNOACF ||
1051 (how == PHYSICAL_NOFORCE && physical_IsSync(p)))
1052 link_Stack(&p->link, &synclayer);
1053 else {
1054 link_Stack(&p->link, &asynclayer);
1055 link_Stack(&p->link, &hdlclayer);
1056 }
1057 if (how != PHYSICAL_FORCE_SYNCNOACF)
1058 link_Stack(&p->link, &acflayer);
1059 link_Stack(&p->link, &protolayer);
1060 link_Stack(&p->link, &lqrlayer);
1061 link_Stack(&p->link, &ccplayer);
1062 link_Stack(&p->link, &vjlayer);
1063 link_Stack(&p->link, &tcpmsslayer);
1064#ifndef NONAT
1065 link_Stack(&p->link, &natlayer);
1066#endif
1067 if (how == PHYSICAL_FORCE_ASYNC && physical_IsSync(p)) {
1068 log_Printf(LogWARN, "Sync device setting ignored for ``%s'' device\n", who);
1069 p->cfg.speed = MODEM_SPEED;
1070 } else if (how == PHYSICAL_FORCE_SYNC && !physical_IsSync(p)) {
1071 log_Printf(LogWARN, "Async device setting ignored for ``%s'' device\n",
1072 who);
1073 physical_SetSync(p);
1074 }
1075}
1076
1077void
1078physical_StopDeviceTimer(struct physical *p)
1079{
1080 if (p->handler && p->handler->stoptimer)
1081 (*p->handler->stoptimer)(p);
1082}
1083
1084int
1085physical_AwaitCarrier(struct physical *p)
1086{
1087 if (p->handler && p->handler->awaitcarrier)
1088 return (*p->handler->awaitcarrier)(p);
1089
1090 return CARRIER_OK;
1091}
| 767const char *physical_GetDevice(struct physical *p)
768{
769 return p->name.full;
770}
771
772void
773physical_SetDeviceList(struct physical *p, int argc, const char *const *argv)
774{
775 int f, pos;
776
777 p->cfg.devlist[sizeof p->cfg.devlist - 1] = '\0';
778 for (f = 0, pos = 0; f < argc && pos < sizeof p->cfg.devlist - 1; f++) {
779 if (pos)
780 p->cfg.devlist[pos++] = '\0';
781 strncpy(p->cfg.devlist + pos, argv[f], sizeof p->cfg.devlist - pos - 1);
782 pos += strlen(p->cfg.devlist + pos);
783 }
784 p->cfg.ndev = f;
785}
786
787void
788physical_SetSync(struct physical *p)
789{
790 p->cfg.speed = 0;
791}
792
793int
794physical_SetRtsCts(struct physical *p, int enable)
795{
796 p->cfg.rts_cts = enable ? 1 : 0;
797 return 1;
798}
799
800ssize_t
801physical_Read(struct physical *p, void *buf, size_t nbytes)
802{
803 ssize_t ret;
804
805 if (p->handler && p->handler->read)
806 ret = (*p->handler->read)(p, buf, nbytes);
807 else
808 ret = read(p->fd, buf, nbytes);
809
810 log_DumpBuff(LogPHYSICAL, "read", buf, ret);
811
812 return ret;
813}
814
815ssize_t
816physical_Write(struct physical *p, const void *buf, size_t nbytes)
817{
818 log_DumpBuff(LogPHYSICAL, "write", buf, nbytes);
819
820 if (p->handler && p->handler->write)
821 return (*p->handler->write)(p, buf, nbytes);
822
823 return write(p->fd, buf, nbytes);
824}
825
826int
827physical_doUpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
828 int *n, int force)
829{
830 struct physical *p = descriptor2physical(d);
831 int sets;
832
833 sets = 0;
834 if (p->fd >= 0) {
835 if (r) {
836 FD_SET(p->fd, r);
837 log_Printf(LogTIMER, "%s: fdset(r) %d\n", p->link.name, p->fd);
838 sets++;
839 }
840 if (e) {
841 FD_SET(p->fd, e);
842 log_Printf(LogTIMER, "%s: fdset(e) %d\n", p->link.name, p->fd);
843 sets++;
844 }
845 if (w && (force || link_QueueLen(&p->link) || p->out)) {
846 FD_SET(p->fd, w);
847 log_Printf(LogTIMER, "%s: fdset(w) %d\n", p->link.name, p->fd);
848 sets++;
849 }
850 if (sets && *n < p->fd + 1)
851 *n = p->fd + 1;
852 }
853
854 return sets;
855}
856
857int
858physical_RemoveFromSet(struct physical *p, fd_set *r, fd_set *w, fd_set *e)
859{
860 if (p->handler && p->handler->removefromset)
861 return (*p->handler->removefromset)(p, r, w, e);
862 else {
863 int sets;
864
865 sets = 0;
866 if (p->fd >= 0) {
867 if (r && FD_ISSET(p->fd, r)) {
868 FD_CLR(p->fd, r);
869 log_Printf(LogTIMER, "%s: fdunset(r) %d\n", p->link.name, p->fd);
870 sets++;
871 }
872 if (e && FD_ISSET(p->fd, e)) {
873 FD_CLR(p->fd, e);
874 log_Printf(LogTIMER, "%s: fdunset(e) %d\n", p->link.name, p->fd);
875 sets++;
876 }
877 if (w && FD_ISSET(p->fd, w)) {
878 FD_CLR(p->fd, w);
879 log_Printf(LogTIMER, "%s: fdunset(w) %d\n", p->link.name, p->fd);
880 sets++;
881 }
882 }
883
884 return sets;
885 }
886}
887
888int
889physical_IsSet(struct fdescriptor *d, const fd_set *fdset)
890{
891 struct physical *p = descriptor2physical(d);
892 return p->fd >= 0 && FD_ISSET(p->fd, fdset);
893}
894
895void
896physical_Login(struct physical *p, const char *name)
897{
898 if (p->type == PHYS_DIRECT && *p->name.base && !p->Utmp) {
899 struct utmp ut;
900 const char *connstr;
901 char *colon;
902
903 memset(&ut, 0, sizeof ut);
904 time(&ut.ut_time);
905 strncpy(ut.ut_name, name, sizeof ut.ut_name);
906 if (p->handler && (p->handler->type == TCP_DEVICE ||
907 p->handler->type == UDP_DEVICE)) {
908 strncpy(ut.ut_line, PPPOTCPLINE, sizeof ut.ut_line);
909 strncpy(ut.ut_host, p->name.base, sizeof ut.ut_host);
910 colon = memchr(ut.ut_host, ':', sizeof ut.ut_host);
911 if (colon)
912 *colon = '\0';
913 } else
914 strncpy(ut.ut_line, p->name.base, sizeof ut.ut_line);
915 if ((connstr = getenv("CONNECT")))
916 /* mgetty sets this to the connection speed */
917 strncpy(ut.ut_host, connstr, sizeof ut.ut_host);
918 ID0login(&ut);
919 p->Utmp = ut.ut_time;
920 }
921}
922
923int
924physical_SetMode(struct physical *p, int mode)
925{
926 if ((p->type & (PHYS_DIRECT|PHYS_DEDICATED) ||
927 mode & (PHYS_DIRECT|PHYS_DEDICATED)) &&
928 (!(p->type & PHYS_DIRECT) || !(mode & PHYS_BACKGROUND))) {
929 /* Note: The -direct -> -background is for callback ! */
930 log_Printf(LogWARN, "%s: Cannot change mode %s to %s\n", p->link.name,
931 mode2Nam(p->type), mode2Nam(mode));
932 return 0;
933 }
934 p->type = mode;
935 return 1;
936}
937
938void
939physical_DeleteQueue(struct physical *p)
940{
941 if (p->out) {
942 m_freem(p->out);
943 p->out = NULL;
944 }
945 link_DeleteQueue(&p->link);
946}
947
948void
949physical_SetDevice(struct physical *p, const char *name)
950{
951 int len = strlen(_PATH_DEV);
952
953 if (name != p->name.full) {
954 strncpy(p->name.full, name, sizeof p->name.full - 1);
955 p->name.full[sizeof p->name.full - 1] = '\0';
956 }
957 p->name.base = *p->name.full == '!' ? p->name.full + 1 :
958 strncmp(p->name.full, _PATH_DEV, len) ?
959 p->name.full : p->name.full + len;
960}
961
962static void
963physical_Found(struct physical *p)
964{
965 FILE *lockfile;
966 char fn[PATH_MAX];
967
968 if (*p->name.full == '/') {
969 snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
970 lockfile = ID0fopen(fn, "w");
971 if (lockfile != NULL) {
972 fprintf(lockfile, "%s%d\n", TUN_NAME, p->dl->bundle->unit);
973 fclose(lockfile);
974 }
975#ifndef RELEASE_CRUNCH
976 else
977 log_Printf(LogALERT, "%s: Can't create %s: %s\n",
978 p->link.name, fn, strerror(errno));
979#endif
980 }
981
982 throughput_start(&p->link.stats.total, "physical throughput",
983 Enabled(p->dl->bundle, OPT_THROUGHPUT));
984 p->connect_count++;
985 p->input.sz = 0;
986
987 log_Printf(LogPHASE, "%s: Connected!\n", p->link.name);
988}
989
990int
991physical_Open(struct physical *p, struct bundle *bundle)
992{
993 int devno, h, wasfd, err;
994 char *dev;
995
996 if (p->fd >= 0)
997 log_Printf(LogDEBUG, "%s: Open: Modem is already open!\n", p->link.name);
998 /* We're going back into "term" mode */
999 else if (p->type == PHYS_DIRECT) {
1000 physical_SetDevice(p, "");
1001 p->fd = STDIN_FILENO;
1002 for (h = 0; h < NDEVICES && p->handler == NULL && p->fd >= 0; h++)
1003 p->handler = (*devices[h].create)(p);
1004 if (p->fd >= 0) {
1005 if (p->handler == NULL) {
1006 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
1007 log_Printf(LogDEBUG, "%s: stdin is unidentified\n", p->link.name);
1008 }
1009 physical_Found(p);
1010 }
1011 } else {
1012 dev = p->cfg.devlist;
1013 devno = 0;
1014 while (devno < p->cfg.ndev && p->fd < 0) {
1015 physical_SetDevice(p, dev);
1016 if (physical_Lock(p)) {
1017 err = 0;
1018
1019 if (*p->name.full == '/') {
1020 p->fd = ID0open(p->name.full, O_RDWR | O_NONBLOCK);
1021 if (p->fd < 0)
1022 err = errno;
1023 }
1024
1025 wasfd = p->fd;
1026 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
1027 if ((p->handler = (*devices[h].create)(p)) == NULL && wasfd != p->fd)
1028 break;
1029
1030 if (p->fd < 0) {
1031 if (h == NDEVICES) {
1032 if (err)
1033 log_Printf(LogWARN, "%s: %s: %s\n", p->link.name, p->name.full,
1034 strerror(errno));
1035 else
1036 log_Printf(LogWARN, "%s: Device (%s) must begin with a '/',"
1037 " a '!' or contain at least one ':'\n", p->link.name,
1038 p->name.full);
1039 }
1040 physical_Unlock(p);
1041 } else
1042 physical_Found(p);
1043 }
1044 dev += strlen(dev) + 1;
1045 devno++;
1046 }
1047 }
1048
1049 return p->fd;
1050}
1051
1052void
1053physical_SetupStack(struct physical *p, const char *who, int how)
1054{
1055 link_EmptyStack(&p->link);
1056 if (how == PHYSICAL_FORCE_SYNC || how == PHYSICAL_FORCE_SYNCNOACF ||
1057 (how == PHYSICAL_NOFORCE && physical_IsSync(p)))
1058 link_Stack(&p->link, &synclayer);
1059 else {
1060 link_Stack(&p->link, &asynclayer);
1061 link_Stack(&p->link, &hdlclayer);
1062 }
1063 if (how != PHYSICAL_FORCE_SYNCNOACF)
1064 link_Stack(&p->link, &acflayer);
1065 link_Stack(&p->link, &protolayer);
1066 link_Stack(&p->link, &lqrlayer);
1067 link_Stack(&p->link, &ccplayer);
1068 link_Stack(&p->link, &vjlayer);
1069 link_Stack(&p->link, &tcpmsslayer);
1070#ifndef NONAT
1071 link_Stack(&p->link, &natlayer);
1072#endif
1073 if (how == PHYSICAL_FORCE_ASYNC && physical_IsSync(p)) {
1074 log_Printf(LogWARN, "Sync device setting ignored for ``%s'' device\n", who);
1075 p->cfg.speed = MODEM_SPEED;
1076 } else if (how == PHYSICAL_FORCE_SYNC && !physical_IsSync(p)) {
1077 log_Printf(LogWARN, "Async device setting ignored for ``%s'' device\n",
1078 who);
1079 physical_SetSync(p);
1080 }
1081}
1082
1083void
1084physical_StopDeviceTimer(struct physical *p)
1085{
1086 if (p->handler && p->handler->stoptimer)
1087 (*p->handler->stoptimer)(p);
1088}
1089
1090int
1091physical_AwaitCarrier(struct physical *p)
1092{
1093 if (p->handler && p->handler->awaitcarrier)
1094 return (*p->handler->awaitcarrier)(p);
1095
1096 return CARRIER_OK;
1097}
|