2 * Written by Eivind Eklund <eivind@yes.no>
5 * Copyright (C) 1998, Yes Interactive. All rights reserved.
7 * Redistribution and use in any form is permitted. Redistribution in
8 * source form should include the above copyright and this set of
9 * conditions, because large sections american law seems to have been
10 * created by a bunch of jerks on drugs that are now illegal, forcing
11 * me to include this copyright-stuff instead of placing this in the
12 * public domain. The name of of 'Yes Interactive' or 'Eivind Eklund'
13 * may not be used to endorse or promote products derived from this
14 * software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 * $FreeBSD: src/usr.sbin/ppp/physical.c,v 1.34.2.8 2002/09/01 02:12:29 brian Exp $
23 #include <sys/param.h>
24 #include <netinet/in.h>
25 #include <netinet/in_systm.h>
26 #include <netinet/ip.h>
27 #include <sys/socket.h>
37 #include <sys/tty.h> /* TIOCOUTQ */
42 #if defined(__OpenBSD__) || defined(__NetBSD__)
43 #include <sys/ioctl.h>
66 #include "throughput.h"
70 #include "slcompress.h"
74 #include "descriptor.h"
100 #include "netgraph.h"
107 #define PPPOTCPLINE "ppp"
109 static int physical_DescriptorWrite(struct fdescriptor *, struct bundle *,
113 physical_DeviceSize(void)
115 return sizeof(struct device);
119 struct device *(*create)(struct physical *);
120 struct device *(*iov2device)(int, struct physical *, struct iovec *,
121 int *, int, int *, int *);
122 int (*DeviceSize)(void);
126 * This must come before ``tty'' so that the probe routine is
127 * able to identify it as a more specific type of terminal device.
129 { i4b_Create, i4b_iov2device, i4b_DeviceSize },
131 { tty_Create, tty_iov2device, tty_DeviceSize },
134 * This must come before ``udp'' so that the probe routine is
135 * able to identify it as a more specific type of SOCK_DGRAM.
137 { ether_Create, ether_iov2device, ether_DeviceSize },
138 #ifdef EXPERIMENTAL_NETGRAPH
139 { ng_Create, ng_iov2device, ng_DeviceSize },
143 /* Ditto for ATM devices */
144 { atm_Create, atm_iov2device, atm_DeviceSize },
146 { tcp_Create, tcp_iov2device, tcp_DeviceSize },
147 { udp_Create, udp_iov2device, udp_DeviceSize },
148 { exec_Create, exec_iov2device, exec_DeviceSize }
151 #define NDEVICES (sizeof devices / sizeof devices[0])
154 physical_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
157 return physical_doUpdateSet(d, r, w, e, n, 0);
161 physical_SetDescriptor(struct physical *p)
163 p->desc.type = PHYSICAL_DESCRIPTOR;
164 p->desc.UpdateSet = physical_UpdateSet;
165 p->desc.IsSet = physical_IsSet;
166 p->desc.Read = physical_DescriptorRead;
167 p->desc.Write = physical_DescriptorWrite;
171 physical_Create(struct datalink *dl, int type)
175 p = (struct physical *)malloc(sizeof(struct physical));
179 p->link.type = PHYSICAL_LINK;
180 p->link.name = dl->name;
181 p->link.len = sizeof *p;
183 /* The sample period is fixed - see physical2iov() & iov2physical() */
184 throughput_init(&p->link.stats.total, SAMPLE_PERIOD);
185 p->link.stats.parent = dl->bundle->ncp.mp.active ?
186 &dl->bundle->ncp.mp.link.stats.total : NULL;
187 p->link.stats.gather = 1;
189 memset(p->link.Queue, '\0', sizeof p->link.Queue);
190 memset(p->link.proto_in, '\0', sizeof p->link.proto_in);
191 memset(p->link.proto_out, '\0', sizeof p->link.proto_out);
192 link_EmptyStack(&p->link);
195 physical_SetDescriptor(p);
198 hdlc_Init(&p->hdlc, &p->link.lcp);
199 async_Init(&p->async);
203 p->connect_count = 0;
206 *p->name.full = '\0';
207 p->name.base = p->name.full;
210 p->session_owner = (pid_t)-1;
212 p->cfg.rts_cts = MODEM_CTSRTS;
213 p->cfg.speed = MODEM_SPEED;
215 memcpy(p->cfg.devlist, MODEM_LIST, sizeof MODEM_LIST);
216 p->cfg.ndev = NMODEMS;
217 p->cfg.cd.necessity = CD_DEFAULT;
218 p->cfg.cd.delay = 0; /* reconfigured or device specific default */
220 lcp_Init(&p->link.lcp, dl->bundle, &p->link, &dl->fsmp);
221 ccp_Init(&p->link.ccp, dl->bundle, &p->link, &dl->fsmp);
226 static const struct parity {
231 { "even", "P_EVEN", CS7 | PARENB },
232 { "odd", "P_ODD", CS7 | PARENB | PARODD },
233 { "none", "P_ZERO", CS8 },
238 GetParityValue(const char *str)
240 const struct parity *pp;
242 for (pp = validparity; pp->name; pp++) {
243 if (strcasecmp(pp->name, str) == 0 ||
244 strcasecmp(pp->name1, str) == 0) {
252 physical_SetParity(struct physical *p, const char *str)
254 struct termios rstio;
257 val = GetParityValue(str);
261 tcgetattr(p->fd, &rstio);
262 rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
263 rstio.c_cflag |= val;
264 tcsetattr(p->fd, TCSADRAIN, &rstio);
268 log_Printf(LogWARN, "%s: %s: Invalid parity\n", p->link.name, str);
273 physical_GetSpeed(struct physical *p)
275 if (p->handler && p->handler->speed)
276 return (*p->handler->speed)(p);
282 physical_SetSpeed(struct physical *p, int speed)
284 if (IntToSpeed(speed) != B0) {
285 p->cfg.speed = speed;
293 physical_Raw(struct physical *p)
295 if (p->handler && p->handler->raw)
296 return (*p->handler->raw)(p);
302 physical_Offline(struct physical *p)
304 if (p->handler && p->handler->offline)
305 (*p->handler->offline)(p);
306 log_Printf(LogPHASE, "%s: Disconnected!\n", p->link.name);
310 physical_Lock(struct physical *p)
314 if (*p->name.full == '/' && p->type != PHYS_DIRECT &&
315 (res = ID0uu_lock(p->name.base)) != UU_LOCK_OK) {
316 if (res == UU_LOCK_INUSE)
317 log_Printf(LogPHASE, "%s: %s is in use\n", p->link.name, p->name.full);
319 log_Printf(LogPHASE, "%s: %s is in use: uu_lock: %s\n",
320 p->link.name, p->name.full, uu_lockerr(res));
328 physical_Unlock(struct physical *p)
330 if (*p->name.full == '/' && p->type != PHYS_DIRECT &&
331 ID0uu_unlock(p->name.base) == -1)
332 log_Printf(LogALERT, "%s: Can't uu_unlock %s\n", p->link.name,
337 physical_Close(struct physical *p)
345 log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
347 if (p->handler && p->handler->cooked)
348 (*p->handler->cooked)(p);
350 physical_StopDeviceTimer(p);
352 if (p->handler && (p->handler->type == TCP_DEVICE ||
353 p->handler->type == UDP_DEVICE))
354 /* Careful - we logged in on line ``ppp'' with IP as our host */
355 ID0logout(PPPOTCPLINE, 1);
357 ID0logout(p->name.base, 0);
360 newsid = tcgetpgrp(p->fd) == getpgrp();
363 log_SetTtyCommandMode(p->dl);
365 throughput_stop(&p->link.stats.total);
366 throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
368 if (p->session_owner != (pid_t)-1) {
369 log_Printf(LogPHASE, "%s: HUPing %ld\n", p->link.name,
370 (long)p->session_owner);
371 ID0kill(p->session_owner, SIGHUP);
372 p->session_owner = (pid_t)-1;
376 bundle_setsid(p->dl->bundle, 0);
378 if (*p->name.full == '/') {
379 snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
380 #ifndef RELEASE_CRUNCH
381 if (ID0unlink(fn) == -1)
382 log_Printf(LogALERT, "%s: Can't remove %s: %s\n",
383 p->link.name, fn, strerror(errno));
389 if (p->handler && p->handler->destroy)
390 (*p->handler->destroy)(p);
392 p->name.base = p->name.full;
393 *p->name.full = '\0';
397 physical_Destroy(struct physical *p)
400 throughput_destroy(&p->link.stats.total);
405 physical_DescriptorWrite(struct fdescriptor *d, struct bundle *bundle,
408 struct physical *p = descriptor2physical(d);
412 p->out = link_Dequeue(&p->link);
415 nw = physical_Write(p, MBUF_CTOP(p->out), p->out->m_len);
416 log_Printf(LogDEBUG, "%s: DescriptorWrite: wrote %d(%lu) to %d\n",
417 p->link.name, nw, (unsigned long)p->out->m_len, p->fd);
420 p->out->m_offset += nw;
421 if (p->out->m_len == 0)
422 p->out = m_free(p->out);
427 else if (errno != ENOBUFS) {
428 log_Printf(LogPHASE, "%s: write (%d): %s\n", p->link.name,
429 p->fd, strerror(errno));
430 datalink_Down(p->dl, CLOSE_NORMAL);
433 /* else we shouldn't really have been called ! select() is broken ! */
440 physical_ShowStatus(struct cmdargs const *arg)
442 struct physical *p = arg->cx->physical;
447 prompt_Printf(arg->prompt, "Name: %s\n", p->link.name);
448 prompt_Printf(arg->prompt, " State: ");
450 prompt_Printf(arg->prompt, "closed\n");
452 slot = physical_Slot(p);
453 if (p->handler && p->handler->openinfo) {
455 prompt_Printf(arg->prompt, "open (%s)\n", (*p->handler->openinfo)(p));
457 prompt_Printf(arg->prompt, "open (%s, port %d)\n",
458 (*p->handler->openinfo)(p), slot);
459 } else if (slot == -1)
460 prompt_Printf(arg->prompt, "open\n");
462 prompt_Printf(arg->prompt, "open (port %d)\n", slot);
465 prompt_Printf(arg->prompt, " Device: %s",
466 *p->name.full ? p->name.full :
467 p->type == PHYS_DIRECT ? "unknown" : "N/A");
468 if (p->session_owner != (pid_t)-1)
469 prompt_Printf(arg->prompt, " (session owner: %ld)", (long)p->session_owner);
471 prompt_Printf(arg->prompt, "\n Link Type: %s\n", mode2Nam(p->type));
472 prompt_Printf(arg->prompt, " Connect Count: %d\n", p->connect_count);
474 if (p->fd >= 0 && ioctl(p->fd, TIOCOUTQ, &n) >= 0)
475 prompt_Printf(arg->prompt, " Physical outq: %d\n", n);
478 prompt_Printf(arg->prompt, " Queued Packets: %lu\n",
479 (u_long)link_QueueLen(&p->link));
480 prompt_Printf(arg->prompt, " Phone Number: %s\n", arg->cx->phone.chosen);
482 prompt_Printf(arg->prompt, "\nDefaults:\n");
484 prompt_Printf(arg->prompt, " Device List: ");
485 dev = p->cfg.devlist;
486 for (n = 0; n < p->cfg.ndev; n++) {
488 prompt_Printf(arg->prompt, ", ");
489 prompt_Printf(arg->prompt, "\"%s\"", dev);
490 dev += strlen(dev) + 1;
493 prompt_Printf(arg->prompt, "\n Characteristics: ");
494 if (physical_IsSync(arg->cx->physical))
495 prompt_Printf(arg->prompt, "sync");
497 prompt_Printf(arg->prompt, "%dbps", p->cfg.speed);
499 switch (p->cfg.parity & CSIZE) {
501 prompt_Printf(arg->prompt, ", cs7");
504 prompt_Printf(arg->prompt, ", cs8");
507 if (p->cfg.parity & PARENB) {
508 if (p->cfg.parity & PARODD)
509 prompt_Printf(arg->prompt, ", odd parity");
511 prompt_Printf(arg->prompt, ", even parity");
513 prompt_Printf(arg->prompt, ", no parity");
515 prompt_Printf(arg->prompt, ", CTS/RTS %s\n", (p->cfg.rts_cts ? "on" : "off"));
517 prompt_Printf(arg->prompt, " CD check delay: ");
518 cd = p->handler ? &p->handler->cd : &p->cfg.cd;
519 if (cd->necessity == CD_NOTREQUIRED)
520 prompt_Printf(arg->prompt, "no cd");
521 else if (p->cfg.cd.necessity == CD_DEFAULT) {
522 prompt_Printf(arg->prompt, "device specific");
524 prompt_Printf(arg->prompt, "%d second%s", p->cfg.cd.delay,
525 p->cfg.cd.delay == 1 ? "" : "s");
526 if (p->cfg.cd.necessity == CD_REQUIRED)
527 prompt_Printf(arg->prompt, " (required!)");
529 prompt_Printf(arg->prompt, "\n\n");
531 throughput_disp(&p->link.stats.total, arg->prompt);
537 physical_DescriptorRead(struct fdescriptor *d, struct bundle *bundle,
540 struct physical *p = descriptor2physical(d);
544 rbuff = p->input.buf + p->input.sz;
546 /* something to read */
547 n = physical_Read(p, rbuff, sizeof p->input.buf - p->input.sz);
548 log_Printf(LogDEBUG, "%s: DescriptorRead: read %d/%d from %d\n",
549 p->link.name, n, (int)(sizeof p->input.buf - p->input.sz), p->fd);
552 log_Printf(LogPHASE, "%s: read (%d): %s\n", p->link.name, p->fd,
555 log_Printf(LogPHASE, "%s: read (%d): Got zero bytes\n",
556 p->link.name, p->fd);
557 datalink_Down(p->dl, CLOSE_NORMAL);
561 rbuff -= p->input.sz;
564 if (p->link.lcp.fsm.state <= ST_CLOSED) {
565 if (p->type != PHYS_DEDICATED) {
566 found = hdlc_Detect((u_char const **)&rbuff, n, physical_IsSync(p));
567 if (rbuff != p->input.buf)
568 log_WritePrompts(p->dl, "%.*s", (int)(rbuff - p->input.buf),
570 p->input.sz = n - (rbuff - p->input.buf);
573 /* LCP packet is detected. Turn ourselves into packet mode */
574 log_Printf(LogPHASE, "%s: PPP packet detected, coming up\n",
576 log_SetTtyCommandMode(p->dl);
577 datalink_Up(p->dl, 0, 1);
578 link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
581 bcopy(rbuff, p->input.buf, p->input.sz);
583 /* In -dedicated mode, we just discard input until LCP is started */
586 link_PullPacket(&p->link, rbuff, n, bundle);
590 iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
591 int fd, int *auxfd, int *nauxfd)
596 p = (struct physical *)iov[(*niov)++].iov_base;
597 p->link.name = dl->name;
598 memset(p->link.Queue, '\0', sizeof p->link.Queue);
600 p->desc.UpdateSet = physical_UpdateSet;
601 p->desc.IsSet = physical_IsSet;
602 p->desc.Read = physical_DescriptorRead;
603 p->desc.Write = physical_DescriptorWrite;
604 p->type = PHYS_DIRECT;
606 len = strlen(_PATH_DEV);
608 p->connect_count = 1;
610 physical_SetDevice(p, p->name.full);
612 p->link.lcp.fsm.bundle = dl->bundle;
613 p->link.lcp.fsm.link = &p->link;
614 memset(&p->link.lcp.fsm.FsmTimer, '\0', sizeof p->link.lcp.fsm.FsmTimer);
615 memset(&p->link.lcp.fsm.OpenTimer, '\0', sizeof p->link.lcp.fsm.OpenTimer);
616 memset(&p->link.lcp.fsm.StoppedTimer, '\0',
617 sizeof p->link.lcp.fsm.StoppedTimer);
618 p->link.lcp.fsm.parent = &dl->fsmp;
619 lcp_SetupCallbacks(&p->link.lcp);
621 p->link.ccp.fsm.bundle = dl->bundle;
622 p->link.ccp.fsm.link = &p->link;
623 /* Our in.state & out.state are NULL (no link-level ccp yet) */
624 memset(&p->link.ccp.fsm.FsmTimer, '\0', sizeof p->link.ccp.fsm.FsmTimer);
625 memset(&p->link.ccp.fsm.OpenTimer, '\0', sizeof p->link.ccp.fsm.OpenTimer);
626 memset(&p->link.ccp.fsm.StoppedTimer, '\0',
627 sizeof p->link.ccp.fsm.StoppedTimer);
628 p->link.ccp.fsm.parent = &dl->fsmp;
629 ccp_SetupCallbacks(&p->link.ccp);
631 p->hdlc.lqm.owner = &p->link.lcp;
632 p->hdlc.ReportTimer.state = TIMER_STOPPED;
633 p->hdlc.lqm.timer.state = TIMER_STOPPED;
636 p->link.stats.total.in.SampleOctets = (long long *)iov[(*niov)++].iov_base;
637 p->link.stats.total.out.SampleOctets = (long long *)iov[(*niov)++].iov_base;
638 p->link.stats.parent = dl->bundle->ncp.mp.active ?
639 &dl->bundle->ncp.mp.link.stats.total : NULL;
640 p->link.stats.gather = 1;
642 type = (long)p->handler;
644 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
645 p->handler = (*devices[h].iov2device)(type, p, iov, niov, maxiov,
647 if (p->handler == NULL) {
648 log_Printf(LogPHASE, "%s: Unknown link type\n", p->link.name);
649 free(iov[(*niov)++].iov_base);
650 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
652 log_Printf(LogPHASE, "%s: Device %s, link type is %s\n",
653 p->link.name, p->name.full, p->handler->name);
655 if (p->hdlc.lqm.method && p->hdlc.lqm.timer.load)
656 lqr_reStart(&p->link.lcp);
657 hdlc_StartTimer(&p->hdlc);
659 throughput_restart(&p->link.stats.total, "physical throughput",
660 Enabled(dl->bundle, OPT_THROUGHPUT));
666 physical_MaxDeviceSize()
670 biggest = sizeof(struct device);
671 for (sz = n = 0; n < NDEVICES; n++)
672 if (devices[n].DeviceSize) {
673 sz = (*devices[n].DeviceSize)();
682 physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
683 int *auxfd, int *nauxfd)
690 hdlc_StopTimer(&p->hdlc);
692 timer_Stop(&p->link.lcp.fsm.FsmTimer);
693 timer_Stop(&p->link.ccp.fsm.FsmTimer);
694 timer_Stop(&p->link.lcp.fsm.OpenTimer);
695 timer_Stop(&p->link.ccp.fsm.OpenTimer);
696 timer_Stop(&p->link.lcp.fsm.StoppedTimer);
697 timer_Stop(&p->link.ccp.fsm.StoppedTimer);
700 p->handler = (struct device *)(long)p->handler->type;
703 if (Enabled(p->dl->bundle, OPT_KEEPSESSION) ||
704 tcgetpgrp(p->fd) == getpgrp())
705 p->session_owner = getpid(); /* So I'll eventually get HUP'd */
707 p->session_owner = (pid_t)-1;
708 timer_Stop(&p->link.stats.total.Timer);
711 if (*niov + 2 >= maxiov) {
712 log_Printf(LogERROR, "physical2iov: No room for physical + throughput"
719 iov[*niov].iov_base = (void *)p;
720 iov[*niov].iov_len = sizeof *p;
723 iov[*niov].iov_base = p ? (void *)p->link.stats.total.in.SampleOctets : NULL;
724 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
726 iov[*niov].iov_base = p ? (void *)p->link.stats.total.out.SampleOctets : NULL;
727 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
730 sz = physical_MaxDeviceSize();
732 if (h && h->device2iov)
733 (*h->device2iov)(h, iov, niov, maxiov, auxfd, nauxfd);
735 iov[*niov].iov_base = malloc(sz);
737 memcpy(iov[*niov].iov_base, h, sizeof *h);
738 iov[*niov].iov_len = sz;
742 iov[*niov].iov_base = NULL;
743 iov[*niov].iov_len = sz;
747 return p ? p->fd : 0;
751 physical_LockedDevice(struct physical *p)
753 if (p->fd >= 0 && *p->name.full == '/' && p->type != PHYS_DIRECT)
760 physical_ChangedPid(struct physical *p, pid_t newpid)
762 if (physical_LockedDevice(p)) {
765 if ((res = ID0uu_lock_txfr(p->name.base, newpid)) != UU_LOCK_OK)
766 log_Printf(LogPHASE, "uu_lock_txfr: %s\n", uu_lockerr(res));
771 physical_IsSync(struct physical *p)
773 return p->cfg.speed == 0;
777 physical_DeviceMTU(struct physical *p)
779 return p->handler ? p->handler->mtu : 0;
782 const char *physical_GetDevice(struct physical *p)
788 physical_SetDeviceList(struct physical *p, int argc, const char *const *argv)
792 p->cfg.devlist[sizeof p->cfg.devlist - 1] = '\0';
793 for (f = 0, pos = 0; f < argc && pos < sizeof p->cfg.devlist - 1; f++) {
795 p->cfg.devlist[pos++] = '\0';
796 strncpy(p->cfg.devlist + pos, argv[f], sizeof p->cfg.devlist - pos - 1);
797 pos += strlen(p->cfg.devlist + pos);
803 physical_SetSync(struct physical *p)
809 physical_SetRtsCts(struct physical *p, int enable)
811 p->cfg.rts_cts = enable ? 1 : 0;
816 physical_Read(struct physical *p, void *buf, size_t nbytes)
820 if (p->handler && p->handler->read)
821 ret = (*p->handler->read)(p, buf, nbytes);
823 ret = read(p->fd, buf, nbytes);
825 log_DumpBuff(LogPHYSICAL, "read", buf, ret);
831 physical_Write(struct physical *p, const void *buf, size_t nbytes)
833 log_DumpBuff(LogPHYSICAL, "write", buf, nbytes);
835 if (p->handler && p->handler->write)
836 return (*p->handler->write)(p, buf, nbytes);
838 return write(p->fd, buf, nbytes);
842 physical_doUpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
845 struct physical *p = descriptor2physical(d);
852 log_Printf(LogTIMER, "%s: fdset(r) %d\n", p->link.name, p->fd);
857 log_Printf(LogTIMER, "%s: fdset(e) %d\n", p->link.name, p->fd);
860 if (w && (force || link_QueueLen(&p->link) || p->out)) {
862 log_Printf(LogTIMER, "%s: fdset(w) %d\n", p->link.name, p->fd);
865 if (sets && *n < p->fd + 1)
873 physical_RemoveFromSet(struct physical *p, fd_set *r, fd_set *w, fd_set *e)
875 if (p->handler && p->handler->removefromset)
876 return (*p->handler->removefromset)(p, r, w, e);
882 if (r && FD_ISSET(p->fd, r)) {
884 log_Printf(LogTIMER, "%s: fdunset(r) %d\n", p->link.name, p->fd);
887 if (e && FD_ISSET(p->fd, e)) {
889 log_Printf(LogTIMER, "%s: fdunset(e) %d\n", p->link.name, p->fd);
892 if (w && FD_ISSET(p->fd, w)) {
894 log_Printf(LogTIMER, "%s: fdunset(w) %d\n", p->link.name, p->fd);
904 physical_IsSet(struct fdescriptor *d, const fd_set *fdset)
906 struct physical *p = descriptor2physical(d);
907 return p->fd >= 0 && FD_ISSET(p->fd, fdset);
911 physical_Login(struct physical *p, const char *name)
913 if (p->type == PHYS_DIRECT && *p->name.base && !p->Utmp) {
918 memset(&ut, 0, sizeof ut);
920 strncpy(ut.ut_name, name, sizeof ut.ut_name);
921 if (p->handler && (p->handler->type == TCP_DEVICE ||
922 p->handler->type == UDP_DEVICE)) {
923 strncpy(ut.ut_line, PPPOTCPLINE, sizeof ut.ut_line);
924 strncpy(ut.ut_host, p->name.base, sizeof ut.ut_host);
925 colon = memchr(ut.ut_host, ':', sizeof ut.ut_host);
929 strncpy(ut.ut_line, p->name.base, sizeof ut.ut_line);
930 if ((connstr = getenv("CONNECT")))
931 /* mgetty sets this to the connection speed */
932 strncpy(ut.ut_host, connstr, sizeof ut.ut_host);
934 p->Utmp = ut.ut_time;
939 physical_SetMode(struct physical *p, int mode)
941 if ((p->type & (PHYS_DIRECT|PHYS_DEDICATED) ||
942 mode & (PHYS_DIRECT|PHYS_DEDICATED)) &&
943 (!(p->type & PHYS_DIRECT) || !(mode & PHYS_BACKGROUND))) {
944 /* Note: The -direct -> -background is for callback ! */
945 log_Printf(LogWARN, "%s: Cannot change mode %s to %s\n", p->link.name,
946 mode2Nam(p->type), mode2Nam(mode));
954 physical_DeleteQueue(struct physical *p)
960 link_DeleteQueue(&p->link);
964 physical_SetDevice(struct physical *p, const char *name)
966 int len = strlen(_PATH_DEV);
968 if (name != p->name.full) {
969 strncpy(p->name.full, name, sizeof p->name.full - 1);
970 p->name.full[sizeof p->name.full - 1] = '\0';
972 p->name.base = *p->name.full == '!' ? p->name.full + 1 :
973 strncmp(p->name.full, _PATH_DEV, len) ?
974 p->name.full : p->name.full + len;
978 physical_Found(struct physical *p)
983 if (*p->name.full == '/') {
984 snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, p->name.base);
985 lockfile = ID0fopen(fn, "w");
986 if (lockfile != NULL) {
987 fprintf(lockfile, "%s%d\n", TUN_NAME, p->dl->bundle->unit);
990 #ifndef RELEASE_CRUNCH
992 log_Printf(LogALERT, "%s: Can't create %s: %s\n",
993 p->link.name, fn, strerror(errno));
997 throughput_start(&p->link.stats.total, "physical throughput",
998 Enabled(p->dl->bundle, OPT_THROUGHPUT));
1002 log_Printf(LogPHASE, "%s: Connected!\n", p->link.name);
1006 physical_Open(struct physical *p, struct bundle *bundle)
1008 int devno, h, wasfd, err;
1012 log_Printf(LogDEBUG, "%s: Open: Modem is already open!\n", p->link.name);
1013 /* We're going back into "term" mode */
1014 else if (p->type == PHYS_DIRECT) {
1015 physical_SetDevice(p, "");
1016 p->fd = STDIN_FILENO;
1017 for (h = 0; h < NDEVICES && p->handler == NULL && p->fd >= 0; h++)
1018 p->handler = (*devices[h].create)(p);
1020 if (p->handler == NULL) {
1021 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
1022 log_Printf(LogDEBUG, "%s: stdin is unidentified\n", p->link.name);
1027 dev = p->cfg.devlist;
1029 while (devno < p->cfg.ndev && p->fd < 0) {
1030 physical_SetDevice(p, dev);
1031 if (physical_Lock(p)) {
1034 if (*p->name.full == '/') {
1035 p->fd = ID0open(p->name.full, O_RDWR | O_NONBLOCK);
1041 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
1042 if ((p->handler = (*devices[h].create)(p)) == NULL && wasfd != p->fd)
1046 if (h == NDEVICES) {
1048 log_Printf(LogWARN, "%s: %s: %s\n", p->link.name, p->name.full,
1051 log_Printf(LogWARN, "%s: Device (%s) must begin with a '/',"
1052 " a '!' or contain at least one ':'\n", p->link.name,
1059 dev += strlen(dev) + 1;
1068 physical_SetupStack(struct physical *p, const char *who, int how)
1070 link_EmptyStack(&p->link);
1071 if (how == PHYSICAL_FORCE_SYNC || how == PHYSICAL_FORCE_SYNCNOACF ||
1072 (how == PHYSICAL_NOFORCE && physical_IsSync(p)))
1073 link_Stack(&p->link, &synclayer);
1075 link_Stack(&p->link, &asynclayer);
1076 link_Stack(&p->link, &hdlclayer);
1078 if (how != PHYSICAL_FORCE_SYNCNOACF)
1079 link_Stack(&p->link, &acflayer);
1080 link_Stack(&p->link, &protolayer);
1081 link_Stack(&p->link, &lqrlayer);
1082 link_Stack(&p->link, &ccplayer);
1083 link_Stack(&p->link, &vjlayer);
1084 link_Stack(&p->link, &tcpmsslayer);
1086 link_Stack(&p->link, &natlayer);
1088 if (how == PHYSICAL_FORCE_ASYNC && physical_IsSync(p)) {
1089 log_Printf(LogWARN, "Sync device setting ignored for ``%s'' device\n", who);
1090 p->cfg.speed = MODEM_SPEED;
1091 } else if (how == PHYSICAL_FORCE_SYNC && !physical_IsSync(p)) {
1092 log_Printf(LogWARN, "Async device setting ignored for ``%s'' device\n",
1094 physical_SetSync(p);
1099 physical_StopDeviceTimer(struct physical *p)
1101 if (p->handler && p->handler->stoptimer)
1102 (*p->handler->stoptimer)(p);
1106 physical_AwaitCarrier(struct physical *p)
1108 if (p->handler && p->handler->awaitcarrier)
1109 return (*p->handler->awaitcarrier)(p);
1116 physical_SetAsyncParams(struct physical *p, u_int32_t mymap, u_int32_t hismap)
1118 if (p->handler && p->handler->setasyncparams)
1119 return (*p->handler->setasyncparams)(p, mymap, hismap);
1121 async_SetLinkParams(&p->async, mymap, hismap);
1125 physical_Slot(struct physical *p)
1127 if (p->handler && p->handler->slot)
1128 return (*p->handler->slot)(p);