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.
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>
47 #if defined(__OpenBSD__) || defined(__NetBSD__)
48 #include <sys/ioctl.h>
71 #include "throughput.h"
75 #include "slcompress.h"
79 #include "descriptor.h"
103 #include "netgraph.h"
110 static int physical_DescriptorWrite(struct fdescriptor *, struct bundle *,
114 physical_DeviceSize(void)
116 return sizeof(struct device);
120 struct device *(*create)(struct physical *);
121 struct device *(*iov2device)(int, struct physical *, struct iovec *,
122 int *, int, int *, int *);
123 unsigned (*DeviceSize)(void);
125 { tty_Create, tty_iov2device, tty_DeviceSize },
128 * This must come before ``udp'' so that the probe routine is
129 * able to identify it as a more specific type of SOCK_DGRAM.
131 { ether_Create, ether_iov2device, ether_DeviceSize },
132 #ifdef EXPERIMENTAL_NETGRAPH
133 { ng_Create, ng_iov2device, ng_DeviceSize },
137 /* Ditto for ATM devices */
138 { atm_Create, atm_iov2device, atm_DeviceSize },
140 { tcp_Create, tcp_iov2device, tcp_DeviceSize },
141 { udp_Create, udp_iov2device, udp_DeviceSize },
142 { exec_Create, exec_iov2device, exec_DeviceSize }
145 #define NDEVICES (sizeof devices / sizeof devices[0])
148 physical_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
151 return physical_doUpdateSet(d, r, w, e, n, 0);
155 physical_SetDescriptor(struct physical *p)
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;
165 physical_Create(struct datalink *dl, int type)
169 p = (struct physical *)malloc(sizeof(struct physical));
173 p->link.type = PHYSICAL_LINK;
174 p->link.name = dl->name;
175 p->link.len = sizeof *p;
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;
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);
189 physical_SetDescriptor(p);
192 hdlc_Init(&p->hdlc, &p->link.lcp);
193 async_Init(&p->async);
197 p->connect_count = 0;
200 *p->name.full = '\0';
201 p->name.base = p->name.full;
204 p->session_owner = (pid_t)-1;
206 p->cfg.rts_cts = MODEM_CTSRTS;
207 p->cfg.speed = MODEM_SPEED;
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 */
214 lcp_Init(&p->link.lcp, dl->bundle, &p->link, &dl->fsmp);
215 ccp_Init(&p->link.ccp, dl->bundle, &p->link, &dl->fsmp);
220 static const struct parity {
225 { "even", "P_EVEN", CS7 | PARENB },
226 { "odd", "P_ODD", CS7 | PARENB | PARODD },
227 { "none", "P_ZERO", CS8 },
232 GetParityValue(const char *str)
234 const struct parity *pp;
236 for (pp = validparity; pp->name; pp++) {
237 if (strcasecmp(pp->name, str) == 0 ||
238 strcasecmp(pp->name1, str) == 0) {
246 physical_SetParity(struct physical *p, const char *str)
248 struct termios rstio;
251 val = GetParityValue(str);
255 tcgetattr(p->fd, &rstio);
256 rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
257 rstio.c_cflag |= val;
258 tcsetattr(p->fd, TCSADRAIN, &rstio);
262 log_Printf(LogWARN, "%s: %s: Invalid parity\n", p->link.name, str);
267 physical_GetSpeed(struct physical *p)
269 if (p->handler && p->handler->speed)
270 return (*p->handler->speed)(p);
276 physical_SetSpeed(struct physical *p, unsigned speed)
278 if (UnsignedToSpeed(speed) != B0) {
279 p->cfg.speed = speed;
287 physical_Raw(struct physical *p)
289 if (p->handler && p->handler->raw)
290 return (*p->handler->raw)(p);
296 physical_Offline(struct physical *p)
298 if (p->handler && p->handler->offline)
299 (*p->handler->offline)(p);
300 log_Printf(LogPHASE, "%s: Disconnected!\n", p->link.name);
304 physical_Lock(struct physical *p)
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);
313 log_Printf(LogPHASE, "%s: %s is in use: uu_lock: %s\n",
314 p->link.name, p->name.full, uu_lockerr(res));
322 physical_Unlock(struct physical *p)
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,
331 physical_Close(struct physical *p)
340 log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
342 if (p->handler && p->handler->cooked)
343 (*p->handler->cooked)(p);
345 physical_StopDeviceTimer(p);
347 memset(&ut, 0, sizeof ut);
348 ut.ut_type = DEAD_PROCESS;
349 gettimeofday(&ut.ut_tv, NULL);
350 snprintf(ut.ut_id, sizeof ut.ut_id, "%xppp", (int)getpid());
354 newsid = tcgetpgrp(p->fd) == getpgrp();
357 log_SetTtyCommandMode(p->dl);
359 throughput_stop(&p->link.stats.total);
360 throughput_log(&p->link.stats.total, LogPHASE, p->link.name);
362 if (p->session_owner != (pid_t)-1) {
363 log_Printf(LogPHASE, "%s: HUPing %ld\n", p->link.name,
364 (long)p->session_owner);
365 ID0kill(p->session_owner, SIGHUP);
366 p->session_owner = (pid_t)-1;
370 bundle_setsid(p->dl->bundle, 0);
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));
383 if (p->handler && p->handler->destroy)
384 (*p->handler->destroy)(p);
386 p->name.base = p->name.full;
387 *p->name.full = '\0';
391 physical_Destroy(struct physical *p)
394 throughput_destroy(&p->link.stats.total);
399 physical_DescriptorWrite(struct fdescriptor *d, struct bundle *bundle __unused,
400 const fd_set *fdset __unused)
402 struct physical *p = descriptor2physical(d);
406 p->out = link_Dequeue(&p->link);
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);
414 p->out->m_offset += nw;
415 if (p->out->m_len == 0)
416 p->out = m_free(p->out);
421 else if (errno != ENOBUFS) {
422 log_Printf(LogPHASE, "%s: write (fd %d, len %zd): %s\n", p->link.name,
423 p->fd, p->out->m_len, strerror(errno));
424 datalink_Down(p->dl, CLOSE_NORMAL);
427 /* else we shouldn't really have been called ! select() is broken ! */
434 physical_ShowStatus(struct cmdargs const *arg)
436 struct physical *p = arg->cx->physical;
441 prompt_Printf(arg->prompt, "Name: %s\n", p->link.name);
442 prompt_Printf(arg->prompt, " State: ");
444 prompt_Printf(arg->prompt, "closed\n");
446 slot = physical_Slot(p);
447 if (p->handler && p->handler->openinfo) {
449 prompt_Printf(arg->prompt, "open (%s)\n", (*p->handler->openinfo)(p));
451 prompt_Printf(arg->prompt, "open (%s, port %d)\n",
452 (*p->handler->openinfo)(p), slot);
453 } else if (slot == -1)
454 prompt_Printf(arg->prompt, "open\n");
456 prompt_Printf(arg->prompt, "open (port %d)\n", slot);
459 prompt_Printf(arg->prompt, " Device: %s",
460 *p->name.full ? p->name.full :
461 p->type == PHYS_DIRECT ? "unknown" : "N/A");
462 if (p->session_owner != (pid_t)-1)
463 prompt_Printf(arg->prompt, " (session owner: %ld)", (long)p->session_owner);
465 prompt_Printf(arg->prompt, "\n Link Type: %s\n", mode2Nam(p->type));
466 prompt_Printf(arg->prompt, " Connect Count: %d\n", p->connect_count);
468 if (p->fd >= 0 && ioctl(p->fd, TIOCOUTQ, &n) >= 0)
469 prompt_Printf(arg->prompt, " Physical outq: %d\n", n);
472 prompt_Printf(arg->prompt, " Queued Packets: %lu\n",
473 (u_long)link_QueueLen(&p->link));
474 prompt_Printf(arg->prompt, " Phone Number: %s\n", arg->cx->phone.chosen);
476 prompt_Printf(arg->prompt, "\nDefaults:\n");
478 prompt_Printf(arg->prompt, " Device List: ");
479 dev = p->cfg.devlist;
480 for (n = 0; n < p->cfg.ndev; n++) {
482 prompt_Printf(arg->prompt, ", ");
483 prompt_Printf(arg->prompt, "\"%s\"", dev);
484 dev += strlen(dev) + 1;
487 prompt_Printf(arg->prompt, "\n Characteristics: ");
488 if (physical_IsSync(arg->cx->physical))
489 prompt_Printf(arg->prompt, "sync");
491 prompt_Printf(arg->prompt, "%dbps", p->cfg.speed);
493 switch (p->cfg.parity & CSIZE) {
495 prompt_Printf(arg->prompt, ", cs7");
498 prompt_Printf(arg->prompt, ", cs8");
501 if (p->cfg.parity & PARENB) {
502 if (p->cfg.parity & PARODD)
503 prompt_Printf(arg->prompt, ", odd parity");
505 prompt_Printf(arg->prompt, ", even parity");
507 prompt_Printf(arg->prompt, ", no parity");
509 prompt_Printf(arg->prompt, ", CTS/RTS %s\n", (p->cfg.rts_cts ? "on" : "off"));
511 prompt_Printf(arg->prompt, " CD check delay: ");
512 cd = p->handler ? &p->handler->cd : &p->cfg.cd;
513 if (cd->necessity == CD_NOTREQUIRED)
514 prompt_Printf(arg->prompt, "no cd");
515 else if (p->cfg.cd.necessity == CD_DEFAULT) {
516 prompt_Printf(arg->prompt, "device specific");
518 prompt_Printf(arg->prompt, "%d second%s", p->cfg.cd.delay,
519 p->cfg.cd.delay == 1 ? "" : "s");
520 if (p->cfg.cd.necessity == CD_REQUIRED)
521 prompt_Printf(arg->prompt, " (required!)");
523 prompt_Printf(arg->prompt, "\n\n");
525 throughput_disp(&p->link.stats.total, arg->prompt);
531 physical_DescriptorRead(struct fdescriptor *d, struct bundle *bundle,
532 const fd_set *fdset __unused)
534 struct physical *p = descriptor2physical(d);
538 rbuff = p->input.buf + p->input.sz;
540 /* something to read */
541 n = physical_Read(p, rbuff, sizeof p->input.buf - p->input.sz);
542 log_Printf(LogDEBUG, "%s: DescriptorRead: read %d/%d from %d\n",
543 p->link.name, n, (int)(sizeof p->input.buf - p->input.sz), p->fd);
546 log_Printf(LogPHASE, "%s: read (%d): %s\n", p->link.name, p->fd,
549 log_Printf(LogPHASE, "%s: read (%d): Got zero bytes\n",
550 p->link.name, p->fd);
551 datalink_Down(p->dl, CLOSE_NORMAL);
555 rbuff -= p->input.sz;
558 if (p->link.lcp.fsm.state <= ST_CLOSED) {
559 if (p->type != PHYS_DEDICATED) {
560 found = hdlc_Detect((u_char const **)&rbuff, n, physical_IsSync(p));
561 if (rbuff != p->input.buf)
562 log_WritePrompts(p->dl, "%.*s", (int)(rbuff - p->input.buf),
564 p->input.sz = n - (rbuff - p->input.buf);
567 /* LCP packet is detected. Turn ourselves into packet mode */
568 log_Printf(LogPHASE, "%s: PPP packet detected, coming up\n",
570 log_SetTtyCommandMode(p->dl);
571 datalink_Up(p->dl, 0, 1);
572 link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
575 bcopy(rbuff, p->input.buf, p->input.sz);
577 /* In -dedicated mode, we just discard input until LCP is started */
580 link_PullPacket(&p->link, rbuff, n, bundle);
584 iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
585 int fd, int *auxfd, int *nauxfd)
591 p = (struct physical *)iov[(*niov)++].iov_base;
592 p->link.name = dl->name;
593 memset(p->link.Queue, '\0', sizeof p->link.Queue);
595 p->desc.UpdateSet = physical_UpdateSet;
596 p->desc.IsSet = physical_IsSet;
597 p->desc.Read = physical_DescriptorRead;
598 p->desc.Write = physical_DescriptorWrite;
599 p->type = PHYS_DIRECT;
601 len = strlen(_PATH_DEV);
603 p->connect_count = 1;
605 physical_SetDevice(p, p->name.full);
607 p->link.lcp.fsm.bundle = dl->bundle;
608 p->link.lcp.fsm.link = &p->link;
609 memset(&p->link.lcp.fsm.FsmTimer, '\0', sizeof p->link.lcp.fsm.FsmTimer);
610 memset(&p->link.lcp.fsm.OpenTimer, '\0', sizeof p->link.lcp.fsm.OpenTimer);
611 memset(&p->link.lcp.fsm.StoppedTimer, '\0',
612 sizeof p->link.lcp.fsm.StoppedTimer);
613 p->link.lcp.fsm.parent = &dl->fsmp;
614 lcp_SetupCallbacks(&p->link.lcp);
616 p->link.ccp.fsm.bundle = dl->bundle;
617 p->link.ccp.fsm.link = &p->link;
618 /* Our in.state & out.state are NULL (no link-level ccp yet) */
619 memset(&p->link.ccp.fsm.FsmTimer, '\0', sizeof p->link.ccp.fsm.FsmTimer);
620 memset(&p->link.ccp.fsm.OpenTimer, '\0', sizeof p->link.ccp.fsm.OpenTimer);
621 memset(&p->link.ccp.fsm.StoppedTimer, '\0',
622 sizeof p->link.ccp.fsm.StoppedTimer);
623 p->link.ccp.fsm.parent = &dl->fsmp;
624 ccp_SetupCallbacks(&p->link.ccp);
626 p->hdlc.lqm.owner = &p->link.lcp;
627 p->hdlc.ReportTimer.state = TIMER_STOPPED;
628 p->hdlc.lqm.timer.state = TIMER_STOPPED;
631 p->link.stats.total.in.SampleOctets = (long long *)iov[(*niov)++].iov_base;
632 p->link.stats.total.out.SampleOctets = (long long *)iov[(*niov)++].iov_base;
633 p->link.stats.parent = dl->bundle->ncp.mp.active ?
634 &dl->bundle->ncp.mp.link.stats.total : NULL;
635 p->link.stats.gather = 1;
637 type = (long)p->handler;
639 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
640 p->handler = (*devices[h].iov2device)(type, p, iov, niov, maxiov,
642 if (p->handler == NULL) {
643 log_Printf(LogPHASE, "%s: Unknown link type\n", p->link.name);
644 free(iov[(*niov)++].iov_base);
645 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
647 log_Printf(LogPHASE, "%s: Device %s, link type is %s\n",
648 p->link.name, p->name.full, p->handler->name);
650 if (p->hdlc.lqm.method && p->hdlc.lqm.timer.load)
651 lqr_reStart(&p->link.lcp);
652 hdlc_StartTimer(&p->hdlc);
654 throughput_restart(&p->link.stats.total, "physical throughput",
655 Enabled(dl->bundle, OPT_THROUGHPUT));
661 physical_MaxDeviceSize()
663 unsigned biggest, sz, n;
665 biggest = sizeof(struct device);
666 for (n = 0; n < NDEVICES; n++)
667 if (devices[n].DeviceSize) {
668 sz = (*devices[n].DeviceSize)();
677 physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
678 int *auxfd, int *nauxfd)
685 hdlc_StopTimer(&p->hdlc);
687 timer_Stop(&p->link.lcp.fsm.FsmTimer);
688 timer_Stop(&p->link.ccp.fsm.FsmTimer);
689 timer_Stop(&p->link.lcp.fsm.OpenTimer);
690 timer_Stop(&p->link.ccp.fsm.OpenTimer);
691 timer_Stop(&p->link.lcp.fsm.StoppedTimer);
692 timer_Stop(&p->link.ccp.fsm.StoppedTimer);
695 p->handler = (struct device *)(long)p->handler->type;
698 if (Enabled(p->dl->bundle, OPT_KEEPSESSION) ||
699 tcgetpgrp(p->fd) == getpgrp())
700 p->session_owner = getpid(); /* So I'll eventually get HUP'd */
702 p->session_owner = (pid_t)-1;
703 timer_Stop(&p->link.stats.total.Timer);
706 if (*niov + 2 >= maxiov) {
707 log_Printf(LogERROR, "physical2iov: No room for physical + throughput"
714 iov[*niov].iov_base = (void *)p;
715 iov[*niov].iov_len = sizeof *p;
718 iov[*niov].iov_base = p ? (void *)p->link.stats.total.in.SampleOctets : NULL;
719 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
721 iov[*niov].iov_base = p ? (void *)p->link.stats.total.out.SampleOctets : NULL;
722 iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
725 sz = physical_MaxDeviceSize();
727 if (h && h->device2iov)
728 (*h->device2iov)(h, iov, niov, maxiov, auxfd, nauxfd);
730 if ((iov[*niov].iov_base = malloc(sz)) == NULL) {
731 log_Printf(LogALERT, "physical2iov: Out of memory (%d bytes)\n", sz);
732 AbortProgram(EX_OSERR);
735 memcpy(iov[*niov].iov_base, h, sizeof *h);
736 iov[*niov].iov_len = sz;
740 iov[*niov].iov_base = NULL;
741 iov[*niov].iov_len = sz;
745 return p ? p->fd : 0;
749 physical_LockedDevice(struct physical *p)
751 if (p->fd >= 0 && *p->name.full == '/' && p->type != PHYS_DIRECT)
758 physical_ChangedPid(struct physical *p, pid_t newpid)
760 if (physical_LockedDevice(p)) {
763 if ((res = ID0uu_lock_txfr(p->name.base, newpid)) != UU_LOCK_OK)
764 log_Printf(LogPHASE, "uu_lock_txfr: %s\n", uu_lockerr(res));
769 physical_IsSync(struct physical *p)
771 return p->cfg.speed == 0;
775 physical_DeviceMTU(struct physical *p)
777 return p->handler ? p->handler->mtu : 0;
780 const char *physical_GetDevice(struct physical *p)
786 physical_SetDeviceList(struct physical *p, int argc, const char *const *argv)
791 p->cfg.devlist[sizeof p->cfg.devlist - 1] = '\0';
792 for (f = 0, pos = 0; f < argc && pos < sizeof p->cfg.devlist - 1; f++) {
794 p->cfg.devlist[pos++] = '\0';
795 strncpy(p->cfg.devlist + pos, argv[f], sizeof p->cfg.devlist - pos - 1);
796 pos += strlen(p->cfg.devlist + pos);
802 physical_SetSync(struct physical *p)
808 physical_SetRtsCts(struct physical *p, int enable)
810 p->cfg.rts_cts = enable ? 1 : 0;
815 physical_Read(struct physical *p, void *buf, size_t nbytes)
819 if (p->handler && p->handler->read)
820 ret = (*p->handler->read)(p, buf, nbytes);
822 ret = read(p->fd, buf, nbytes);
824 log_DumpBuff(LogPHYSICAL, "read", buf, ret);
830 physical_Write(struct physical *p, const void *buf, size_t nbytes)
832 log_DumpBuff(LogPHYSICAL, "write", buf, nbytes);
834 if (p->handler && p->handler->write)
835 return (*p->handler->write)(p, buf, nbytes);
837 return write(p->fd, buf, nbytes);
841 physical_doUpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e,
844 struct physical *p = descriptor2physical(d);
851 log_Printf(LogTIMER, "%s: fdset(r) %d\n", p->link.name, p->fd);
856 log_Printf(LogTIMER, "%s: fdset(e) %d\n", p->link.name, p->fd);
859 if (w && (force || link_QueueLen(&p->link) || p->out)) {
861 log_Printf(LogTIMER, "%s: fdset(w) %d\n", p->link.name, p->fd);
864 if (sets && *n < p->fd + 1)
872 physical_RemoveFromSet(struct physical *p, fd_set *r, fd_set *w, fd_set *e)
874 if (p->handler && p->handler->removefromset)
875 return (*p->handler->removefromset)(p, r, w, e);
881 if (r && FD_ISSET(p->fd, r)) {
883 log_Printf(LogTIMER, "%s: fdunset(r) %d\n", p->link.name, p->fd);
886 if (e && FD_ISSET(p->fd, e)) {
888 log_Printf(LogTIMER, "%s: fdunset(e) %d\n", p->link.name, p->fd);
891 if (w && FD_ISSET(p->fd, w)) {
893 log_Printf(LogTIMER, "%s: fdunset(w) %d\n", p->link.name, p->fd);
903 physical_IsSet(struct fdescriptor *d, const fd_set *fdset)
905 struct physical *p = descriptor2physical(d);
906 return p->fd >= 0 && FD_ISSET(p->fd, fdset);
910 physical_Login(struct physical *p, const char *name)
912 if (p->type == PHYS_DIRECT && *p->name.base && !p->Utmp) {
917 memset(&ut, 0, sizeof ut);
918 ut.ut_type = USER_PROCESS;
919 gettimeofday(&ut.ut_tv, NULL);
920 snprintf(ut.ut_id, sizeof ut.ut_id, "%xppp", (int)getpid());
921 strncpy(ut.ut_user, name, sizeof ut.ut_user);
922 if (p->handler && (p->handler->type == TCP_DEVICE ||
923 p->handler->type == UDP_DEVICE)) {
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);
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)
1009 int devno, wasfd, err;
1013 log_Printf(LogDEBUG, "%s: Open: Modem is already open!\n", p->link.name);
1014 /* We're going back into "term" mode */
1015 else if (p->type == PHYS_DIRECT) {
1016 physical_SetDevice(p, "");
1017 p->fd = STDIN_FILENO;
1018 for (h = 0; h < NDEVICES && p->handler == NULL && p->fd >= 0; h++)
1019 p->handler = (*devices[h].create)(p);
1020 close(STDOUT_FILENO);
1022 if (p->handler == NULL) {
1023 physical_SetupStack(p, "unknown", PHYSICAL_NOFORCE);
1024 log_Printf(LogDEBUG, "%s: stdin is unidentified\n", p->link.name);
1029 dev = p->cfg.devlist;
1031 while (devno < p->cfg.ndev && p->fd < 0) {
1032 physical_SetDevice(p, dev);
1033 if (physical_Lock(p)) {
1036 if (*p->name.full == '/') {
1037 p->fd = ID0open(p->name.full, O_RDWR | O_NONBLOCK);
1043 for (h = 0; h < NDEVICES && p->handler == NULL; h++)
1044 if ((p->handler = (*devices[h].create)(p)) == NULL && wasfd != p->fd)
1048 if (h == NDEVICES) {
1050 log_Printf(LogWARN, "%s: %s: %s\n", p->link.name, p->name.full,
1053 log_Printf(LogWARN, "%s: Device (%s) must begin with a '/',"
1054 " a '!' or contain at least one ':'\n", p->link.name,
1061 dev += strlen(dev) + 1;
1070 physical_SetupStack(struct physical *p, const char *who, int how)
1072 link_EmptyStack(&p->link);
1073 if (how == PHYSICAL_FORCE_SYNC || how == PHYSICAL_FORCE_SYNCNOACF ||
1074 (how == PHYSICAL_NOFORCE && physical_IsSync(p)))
1075 link_Stack(&p->link, &synclayer);
1077 link_Stack(&p->link, &asynclayer);
1078 link_Stack(&p->link, &hdlclayer);
1080 if (how != PHYSICAL_FORCE_SYNCNOACF)
1081 link_Stack(&p->link, &acflayer);
1082 link_Stack(&p->link, &protolayer);
1083 link_Stack(&p->link, &lqrlayer);
1084 link_Stack(&p->link, &ccplayer);
1085 link_Stack(&p->link, &vjlayer);
1086 link_Stack(&p->link, &tcpmsslayer);
1088 link_Stack(&p->link, &natlayer);
1090 if (how == PHYSICAL_FORCE_ASYNC && physical_IsSync(p)) {
1091 log_Printf(LogWARN, "Sync device setting ignored for ``%s'' device\n", who);
1092 p->cfg.speed = MODEM_SPEED;
1093 } else if (how == PHYSICAL_FORCE_SYNC && !physical_IsSync(p)) {
1094 log_Printf(LogWARN, "Async device setting ignored for ``%s'' device\n",
1096 physical_SetSync(p);
1101 physical_StopDeviceTimer(struct physical *p)
1103 if (p->handler && p->handler->stoptimer)
1104 (*p->handler->stoptimer)(p);
1108 physical_AwaitCarrier(struct physical *p)
1110 if (p->handler && p->handler->awaitcarrier)
1111 return (*p->handler->awaitcarrier)(p);
1118 physical_SetAsyncParams(struct physical *p, u_int32_t mymap, u_int32_t hismap)
1120 if (p->handler && p->handler->setasyncparams)
1121 return (*p->handler->setasyncparams)(p, mymap, hismap);
1123 async_SetLinkParams(&p->async, mymap, hismap);
1127 physical_Slot(struct physical *p)
1129 if (p->handler && p->handler->slot)
1130 return (*p->handler->slot)(p);
1136 physical_SetPPPoEnonstandard(struct physical *p, int enable)
1138 p->cfg.nonstandard_pppoe = enable ? 1 : 0;
1139 p->cfg.pppoe_configured = 1;