848 lines
22 KiB
C
848 lines
22 KiB
C
/*
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* Written by Eivind Eklund <eivind@yes.no>
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* for Yes Interactive
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*
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* Copyright (C) 1998, Yes Interactive. All rights reserved.
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*
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* Redistribution and use in any form is permitted. Redistribution in
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* source form should include the above copyright and this set of
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* conditions, because large sections american law seems to have been
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* created by a bunch of jerks on drugs that are now illegal, forcing
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* me to include this copyright-stuff instead of placing this in the
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* public domain. The name of of 'Yes Interactive' or 'Eivind Eklund'
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: physical.c,v 1.8 1999/04/27 00:23:56 brian Exp $
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*
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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/tty.h> /* TIOCOUTQ */
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#include <sys/uio.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include <utmp.h>
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#if defined(__OpenBSD__) || defined(__NetBSD__)
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#include <sys/ioctl.h>
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#include <util.h>
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#else
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#include <libutil.h>
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#endif
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#include "layer.h"
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#ifndef NOALIAS
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#include "alias_cmd.h"
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#endif
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#include "proto.h"
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#include "acf.h"
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#include "vjcomp.h"
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#include "defs.h"
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#include "command.h"
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#include "mbuf.h"
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#include "log.h"
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#include "id.h"
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#include "timer.h"
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#include "fsm.h"
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#include "lqr.h"
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#include "hdlc.h"
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#include "lcp.h"
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#include "throughput.h"
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#include "sync.h"
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#include "async.h"
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#include "iplist.h"
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#include "slcompress.h"
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#include "ipcp.h"
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#include "filter.h"
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#include "descriptor.h"
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#include "ccp.h"
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#include "link.h"
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#include "physical.h"
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#include "mp.h"
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#ifndef NORADIUS
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#include "radius.h"
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#endif
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#include "bundle.h"
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#include "prompt.h"
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#include "chat.h"
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#include "auth.h"
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#include "chap.h"
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#include "cbcp.h"
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#include "datalink.h"
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#include "tcp.h"
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#include "exec.h"
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#include "tty.h"
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static int physical_DescriptorWrite(struct descriptor *, struct bundle *,
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const fd_set *);
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static void physical_DescriptorRead(struct descriptor *, struct bundle *,
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const fd_set *);
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static const struct device *handlers[] = {
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&ttydevice, &tcpdevice, &execdevice
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};
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#define NHANDLERS (sizeof handlers / sizeof handlers[0])
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static int
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physical_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e,
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int *n)
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{
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return physical_doUpdateSet(d, r, w, e, n, 0);
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}
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struct physical *
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physical_Create(struct datalink *dl, int type)
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{
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struct physical *p;
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p = (struct physical *)malloc(sizeof(struct physical));
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if (!p)
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return NULL;
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p->link.type = PHYSICAL_LINK;
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p->link.name = dl->name;
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p->link.len = sizeof *p;
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throughput_init(&p->link.throughput);
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memset(p->link.Queue, '\0', sizeof p->link.Queue);
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memset(p->link.proto_in, '\0', sizeof p->link.proto_in);
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memset(p->link.proto_out, '\0', sizeof p->link.proto_out);
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link_EmptyStack(&p->link);
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memset(&p->Timer, '\0', sizeof p->Timer);
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p->handler = NULL;
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p->desc.type = PHYSICAL_DESCRIPTOR;
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p->desc.UpdateSet = physical_UpdateSet;
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p->desc.IsSet = physical_IsSet;
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p->desc.Read = physical_DescriptorRead;
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p->desc.Write = physical_DescriptorWrite;
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p->type = type;
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hdlc_Init(&p->hdlc, &p->link.lcp);
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async_Init(&p->async);
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p->fd = -1;
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p->out = NULL;
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p->connect_count = 0;
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p->dl = dl;
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p->input.sz = 0;
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*p->name.full = '\0';
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p->name.base = p->name.full;
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p->Utmp = 0;
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p->session_owner = (pid_t)-1;
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p->cfg.rts_cts = MODEM_CTSRTS;
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p->cfg.speed = MODEM_SPEED;
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p->cfg.parity = CS8;
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memcpy(p->cfg.devlist, MODEM_LIST, sizeof MODEM_LIST);
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p->cfg.ndev = NMODEMS;
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p->cfg.cd.required = 0;
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p->cfg.cd.delay = DEF_CDDELAY;
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lcp_Init(&p->link.lcp, dl->bundle, &p->link, &dl->fsmp);
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ccp_Init(&p->link.ccp, dl->bundle, &p->link, &dl->fsmp);
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return p;
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}
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static const struct parity {
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const char *name;
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const char *name1;
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int set;
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} validparity[] = {
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{ "even", "P_EVEN", CS7 | PARENB },
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{ "odd", "P_ODD", CS7 | PARENB | PARODD },
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{ "none", "P_ZERO", CS8 },
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{ NULL, 0 },
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};
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static int
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GetParityValue(const char *str)
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{
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const struct parity *pp;
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for (pp = validparity; pp->name; pp++) {
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if (strcasecmp(pp->name, str) == 0 ||
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strcasecmp(pp->name1, str) == 0) {
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return pp->set;
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}
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}
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return (-1);
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}
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int
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physical_SetParity(struct physical *p, const char *str)
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{
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struct termios rstio;
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int val;
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val = GetParityValue(str);
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if (val > 0) {
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p->cfg.parity = val;
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if (p->fd >= 0) {
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tcgetattr(p->fd, &rstio);
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rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
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rstio.c_cflag |= val;
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tcsetattr(p->fd, TCSADRAIN, &rstio);
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}
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return 0;
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}
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log_Printf(LogWARN, "%s: %s: Invalid parity\n", p->link.name, str);
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return -1;
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}
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int
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physical_GetSpeed(struct physical *p)
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{
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if (p->handler && p->handler->speed)
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return (*p->handler->speed)(p);
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return 115200;
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}
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int
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physical_SetSpeed(struct physical *p, int speed)
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{
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if (IntToSpeed(speed) != B0) {
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p->cfg.speed = speed;
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return 1;
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}
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return 0;
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}
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int
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physical_Raw(struct physical *p)
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{
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if (p->handler && p->handler->raw)
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return (*p->handler->raw)(p);
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return 1;
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}
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void
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physical_Offline(struct physical *p)
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{
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if (p->handler && p->handler->offline)
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(*p->handler->offline)(p);
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log_Printf(LogPHASE, "%s: Disconnected!\n", p->link.name);
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}
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static void
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physical_ReallyClose(struct physical *p)
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{
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int newsid;
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log_Printf(LogDEBUG, "%s: Really close %d\n", p->link.name, p->fd);
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if (p->fd >= 0) {
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timer_Stop(&p->Timer);
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if (p->Utmp) {
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ID0logout(p->name.base);
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p->Utmp = 0;
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}
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newsid = tcgetpgrp(p->fd) == getpgrp();
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close(p->fd);
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p->fd = -1;
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log_SetTtyCommandMode(p->dl);
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throughput_stop(&p->link.throughput);
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throughput_log(&p->link.throughput, LogPHASE, p->link.name);
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if (p->session_owner != (pid_t)-1) {
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ID0kill(p->session_owner, SIGHUP);
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p->session_owner = (pid_t)-1;
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}
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if (newsid)
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bundle_setsid(p->dl->bundle, 0);
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if (p->handler && p->handler->postclose)
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(*p->handler->postclose)(p);
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p->handler = NULL;
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}
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*p->name.full = '\0';
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p->name.base = p->name.full;
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}
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void
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physical_Close(struct physical *p)
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{
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if (p->fd < 0)
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return;
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log_Printf(LogDEBUG, "%s: Close\n", p->link.name);
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if (p->handler && p->handler->cooked)
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(*p->handler->cooked)(p);
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physical_ReallyClose(p);
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}
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void
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physical_Destroy(struct physical *p)
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{
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physical_Close(p);
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free(p);
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}
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static int
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physical_DescriptorWrite(struct descriptor *d, struct bundle *bundle,
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const fd_set *fdset)
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{
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struct physical *p = descriptor2physical(d);
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int nw, result = 0;
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if (p->out == NULL)
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p->out = link_Dequeue(&p->link);
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if (p->out) {
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nw = physical_Write(p, MBUF_CTOP(p->out), p->out->cnt);
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log_Printf(LogDEBUG, "%s: DescriptorWrite: wrote %d(%d) to %d\n",
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p->link.name, nw, p->out->cnt, p->fd);
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if (nw > 0) {
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p->out->cnt -= nw;
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p->out->offset += nw;
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if (p->out->cnt == 0)
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p->out = mbuf_FreeSeg(p->out);
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result = 1;
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} else if (nw < 0) {
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if (errno != EAGAIN) {
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log_Printf(LogPHASE, "%s: write (%d): %s\n", p->link.name,
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p->fd, strerror(errno));
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datalink_Down(p->dl, CLOSE_NORMAL);
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}
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result = 1;
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}
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/* else we shouldn't really have been called ! select() is broken ! */
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}
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return result;
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}
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int
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physical_ShowStatus(struct cmdargs const *arg)
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{
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struct physical *p = arg->cx->physical;
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const char *dev;
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int n;
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prompt_Printf(arg->prompt, "Name: %s\n", p->link.name);
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prompt_Printf(arg->prompt, " State: ");
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if (p->fd < 0)
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prompt_Printf(arg->prompt, "closed\n");
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else if (p->handler && p->handler->openinfo)
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prompt_Printf(arg->prompt, "open (%s)\n", (*p->handler->openinfo)(p));
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else
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prompt_Printf(arg->prompt, "open\n");
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prompt_Printf(arg->prompt, " Device: %s",
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*p->name.full ? p->name.full :
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p->type == PHYS_DIRECT ? "unknown" : "N/A");
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if (p->session_owner != (pid_t)-1)
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prompt_Printf(arg->prompt, " (session owner: %d)", (int)p->session_owner);
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prompt_Printf(arg->prompt, "\n Link Type: %s\n", mode2Nam(p->type));
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prompt_Printf(arg->prompt, " Connect Count: %d\n", p->connect_count);
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#ifdef TIOCOUTQ
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if (p->fd >= 0 && ioctl(p->fd, TIOCOUTQ, &n) >= 0)
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prompt_Printf(arg->prompt, " Physical outq: %d\n", n);
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#endif
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prompt_Printf(arg->prompt, " Queued Packets: %d\n",
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link_QueueLen(&p->link));
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prompt_Printf(arg->prompt, " Phone Number: %s\n", arg->cx->phone.chosen);
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prompt_Printf(arg->prompt, "\nDefaults:\n");
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prompt_Printf(arg->prompt, " Device List: ");
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dev = p->cfg.devlist;
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for (n = 0; n < p->cfg.ndev; n++) {
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if (n)
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prompt_Printf(arg->prompt, ", ");
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prompt_Printf(arg->prompt, "\"%s\"", dev);
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dev += strlen(dev) + 1;
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}
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prompt_Printf(arg->prompt, "\n Characteristics: ");
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if (physical_IsSync(arg->cx->physical))
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prompt_Printf(arg->prompt, "sync");
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else
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prompt_Printf(arg->prompt, "%dbps", p->cfg.speed);
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switch (p->cfg.parity & CSIZE) {
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case CS7:
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prompt_Printf(arg->prompt, ", cs7");
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break;
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case CS8:
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prompt_Printf(arg->prompt, ", cs8");
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break;
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}
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if (p->cfg.parity & PARENB) {
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if (p->cfg.parity & PARODD)
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prompt_Printf(arg->prompt, ", odd parity");
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else
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prompt_Printf(arg->prompt, ", even parity");
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} else
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prompt_Printf(arg->prompt, ", no parity");
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prompt_Printf(arg->prompt, ", CTS/RTS %s\n", (p->cfg.rts_cts ? "on" : "off"));
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prompt_Printf(arg->prompt, " CD check delay: %d second%s",
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p->cfg.cd.delay, p->cfg.cd.delay == 1 ? "" : "s");
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if (p->cfg.cd.required)
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prompt_Printf(arg->prompt, " (required!)\n\n");
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else
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prompt_Printf(arg->prompt, "\n\n");
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throughput_disp(&p->link.throughput, arg->prompt);
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return 0;
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}
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static void
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physical_DescriptorRead(struct descriptor *d, struct bundle *bundle,
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const fd_set *fdset)
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{
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struct physical *p = descriptor2physical(d);
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u_char *rbuff;
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int n, found;
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rbuff = p->input.buf + p->input.sz;
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/* something to read */
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n = physical_Read(p, rbuff, sizeof p->input.buf - p->input.sz);
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log_Printf(LogDEBUG, "%s: DescriptorRead: read %d/%d from %d\n",
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p->link.name, n, (int)(sizeof p->input.buf - p->input.sz), p->fd);
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if (n <= 0) {
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if (n < 0)
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log_Printf(LogPHASE, "%s: read (%d): %s\n", p->link.name, p->fd,
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strerror(errno));
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else
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log_Printf(LogPHASE, "%s: read (%d): Got zero bytes\n",
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p->link.name, p->fd);
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datalink_Down(p->dl, CLOSE_NORMAL);
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return;
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}
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log_DumpBuff(LogASYNC, "ReadFromModem", rbuff, n);
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rbuff -= p->input.sz;
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n += p->input.sz;
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if (p->link.lcp.fsm.state <= ST_CLOSED) {
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if (p->type != PHYS_DEDICATED) {
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found = hdlc_Detect((u_char const **)&rbuff, n, physical_IsSync(p));
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if (rbuff != p->input.buf)
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log_WritePrompts(p->dl, "%.*s", (int)(rbuff - p->input.buf),
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p->input.buf);
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p->input.sz = n - (rbuff - p->input.buf);
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if (found) {
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/* LCP packet is detected. Turn ourselves into packet mode */
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log_Printf(LogPHASE, "%s: PPP packet detected, coming up\n",
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p->link.name);
|
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log_SetTtyCommandMode(p->dl);
|
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datalink_Up(p->dl, 0, 1);
|
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link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
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p->input.sz = 0;
|
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} else
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bcopy(rbuff, p->input.buf, p->input.sz);
|
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} else
|
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/* In -dedicated mode, we just discard input until LCP is started */
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p->input.sz = 0;
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} else if (n > 0)
|
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link_PullPacket(&p->link, rbuff, n, bundle);
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}
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|
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struct physical *
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iov2physical(struct datalink *dl, struct iovec *iov, int *niov, int maxiov,
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int fd)
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{
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struct physical *p;
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int len, h;
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|
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p = (struct physical *)iov[(*niov)++].iov_base;
|
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p->link.name = dl->name;
|
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throughput_init(&p->link.throughput);
|
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memset(&p->Timer, '\0', sizeof p->Timer);
|
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memset(p->link.Queue, '\0', sizeof p->link.Queue);
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|
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p->desc.UpdateSet = physical_UpdateSet;
|
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p->desc.IsSet = physical_IsSet;
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p->desc.Read = physical_DescriptorRead;
|
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p->desc.Write = physical_DescriptorWrite;
|
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p->type = PHYS_DIRECT;
|
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p->dl = dl;
|
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len = strlen(_PATH_DEV);
|
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p->name.base = strncmp(p->name.full, _PATH_DEV, len) ?
|
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p->name.full : p->name.full + len;
|
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p->out = NULL;
|
|
p->connect_count = 1;
|
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|
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if (p->handler) {
|
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for (h = 0; h < NHANDLERS; h++)
|
|
if (p->handler == (const struct device *)(long)handlers[h]->type) {
|
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p->handler = handlers[h];
|
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break;
|
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}
|
|
if (h == NHANDLERS) {
|
|
log_Printf(LogERROR, "iov2physical: Can't find device hander !\n");
|
|
p->handler = NULL;
|
|
}
|
|
}
|
|
|
|
p->link.lcp.fsm.bundle = dl->bundle;
|
|
p->link.lcp.fsm.link = &p->link;
|
|
memset(&p->link.lcp.fsm.FsmTimer, '\0', sizeof p->link.lcp.fsm.FsmTimer);
|
|
memset(&p->link.lcp.fsm.OpenTimer, '\0', sizeof p->link.lcp.fsm.OpenTimer);
|
|
memset(&p->link.lcp.fsm.StoppedTimer, '\0',
|
|
sizeof p->link.lcp.fsm.StoppedTimer);
|
|
p->link.lcp.fsm.parent = &dl->fsmp;
|
|
lcp_SetupCallbacks(&p->link.lcp);
|
|
|
|
p->link.ccp.fsm.bundle = dl->bundle;
|
|
p->link.ccp.fsm.link = &p->link;
|
|
/* Our in.state & out.state are NULL (no link-level ccp yet) */
|
|
memset(&p->link.ccp.fsm.FsmTimer, '\0', sizeof p->link.ccp.fsm.FsmTimer);
|
|
memset(&p->link.ccp.fsm.OpenTimer, '\0', sizeof p->link.ccp.fsm.OpenTimer);
|
|
memset(&p->link.ccp.fsm.StoppedTimer, '\0',
|
|
sizeof p->link.ccp.fsm.StoppedTimer);
|
|
p->link.ccp.fsm.parent = &dl->fsmp;
|
|
ccp_SetupCallbacks(&p->link.ccp);
|
|
|
|
p->hdlc.lqm.owner = &p->link.lcp;
|
|
p->hdlc.ReportTimer.state = TIMER_STOPPED;
|
|
p->hdlc.lqm.timer.state = TIMER_STOPPED;
|
|
|
|
p->fd = fd;
|
|
|
|
if (p->hdlc.lqm.method && p->hdlc.lqm.timer.load)
|
|
lqr_reStart(&p->link.lcp);
|
|
hdlc_StartTimer(&p->hdlc);
|
|
|
|
throughput_start(&p->link.throughput, "physical throughput",
|
|
Enabled(dl->bundle, OPT_THROUGHPUT));
|
|
if (p->handler && p->handler->restored)
|
|
(*p->handler->restored)(p);
|
|
|
|
return p;
|
|
}
|
|
|
|
int
|
|
physical2iov(struct physical *p, struct iovec *iov, int *niov, int maxiov,
|
|
pid_t newpid)
|
|
{
|
|
if (p) {
|
|
hdlc_StopTimer(&p->hdlc);
|
|
lqr_StopTimer(p);
|
|
timer_Stop(&p->link.lcp.fsm.FsmTimer);
|
|
timer_Stop(&p->link.ccp.fsm.FsmTimer);
|
|
timer_Stop(&p->link.lcp.fsm.OpenTimer);
|
|
timer_Stop(&p->link.ccp.fsm.OpenTimer);
|
|
timer_Stop(&p->link.lcp.fsm.StoppedTimer);
|
|
timer_Stop(&p->link.ccp.fsm.StoppedTimer);
|
|
if (p->handler)
|
|
p->handler = (const struct device *)(long)p->handler->type;
|
|
if (p->Timer.state != TIMER_STOPPED) {
|
|
timer_Stop(&p->Timer);
|
|
p->Timer.state = TIMER_RUNNING; /* Special - see iov2physical() */
|
|
}
|
|
if (tcgetpgrp(p->fd) == getpgrp())
|
|
p->session_owner = getpid(); /* So I'll eventually get HUP'd */
|
|
timer_Stop(&p->link.throughput.Timer);
|
|
physical_ChangedPid(p, newpid);
|
|
}
|
|
|
|
if (*niov >= maxiov) {
|
|
log_Printf(LogERROR, "physical2iov: No room for physical !\n");
|
|
if (p)
|
|
free(p);
|
|
return -1;
|
|
}
|
|
|
|
iov[*niov].iov_base = p ? p : malloc(sizeof *p);
|
|
iov[*niov].iov_len = sizeof *p;
|
|
(*niov)++;
|
|
|
|
return p ? p->fd : 0;
|
|
}
|
|
|
|
void
|
|
physical_ChangedPid(struct physical *p, pid_t newpid)
|
|
{
|
|
if (p->fd >= 0 && p->type != PHYS_DIRECT) {
|
|
int res;
|
|
|
|
if ((res = ID0uu_lock_txfr(p->name.base, newpid)) != UU_LOCK_OK)
|
|
log_Printf(LogPHASE, "uu_lock_txfr: %s\n", uu_lockerr(res));
|
|
}
|
|
}
|
|
|
|
int
|
|
physical_IsSync(struct physical *p)
|
|
{
|
|
return p->cfg.speed == 0;
|
|
}
|
|
|
|
const char *physical_GetDevice(struct physical *p)
|
|
{
|
|
return p->name.full;
|
|
}
|
|
|
|
void
|
|
physical_SetDeviceList(struct physical *p, int argc, const char *const *argv)
|
|
{
|
|
int f, pos;
|
|
|
|
p->cfg.devlist[sizeof p->cfg.devlist - 1] = '\0';
|
|
for (f = 0, pos = 0; f < argc && pos < sizeof p->cfg.devlist - 1; f++) {
|
|
if (pos)
|
|
p->cfg.devlist[pos++] = '\0';
|
|
strncpy(p->cfg.devlist + pos, argv[f], sizeof p->cfg.devlist - pos - 1);
|
|
pos += strlen(p->cfg.devlist + pos);
|
|
}
|
|
p->cfg.ndev = f;
|
|
}
|
|
|
|
void
|
|
physical_SetSync(struct physical *p)
|
|
{
|
|
p->cfg.speed = 0;
|
|
}
|
|
|
|
int
|
|
physical_SetRtsCts(struct physical *p, int enable)
|
|
{
|
|
p->cfg.rts_cts = enable ? 1 : 0;
|
|
return 1;
|
|
}
|
|
|
|
/* Encapsulation for a read on the FD. Avoids some exposure, and
|
|
concentrates control. */
|
|
ssize_t
|
|
physical_Read(struct physical *p, void *buf, size_t nbytes)
|
|
{
|
|
return read(p->fd, buf, nbytes);
|
|
}
|
|
|
|
ssize_t
|
|
physical_Write(struct physical *p, const void *buf, size_t nbytes)
|
|
{
|
|
return write(p->fd, buf, nbytes);
|
|
}
|
|
|
|
int
|
|
physical_doUpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e,
|
|
int *n, int force)
|
|
{
|
|
struct physical *p = descriptor2physical(d);
|
|
int sets;
|
|
|
|
sets = 0;
|
|
if (p->fd >= 0) {
|
|
if (r) {
|
|
FD_SET(p->fd, r);
|
|
log_Printf(LogTIMER, "%s: fdset(r) %d\n", p->link.name, p->fd);
|
|
sets++;
|
|
}
|
|
if (e) {
|
|
FD_SET(p->fd, e);
|
|
log_Printf(LogTIMER, "%s: fdset(e) %d\n", p->link.name, p->fd);
|
|
sets++;
|
|
}
|
|
if (w && (force || link_QueueLen(&p->link) || p->out)) {
|
|
FD_SET(p->fd, w);
|
|
log_Printf(LogTIMER, "%s: fdset(w) %d\n", p->link.name, p->fd);
|
|
sets++;
|
|
}
|
|
if (sets && *n < p->fd + 1)
|
|
*n = p->fd + 1;
|
|
}
|
|
|
|
return sets;
|
|
}
|
|
|
|
int
|
|
physical_RemoveFromSet(struct physical *p, fd_set *r, fd_set *w, fd_set *e)
|
|
{
|
|
int sets;
|
|
|
|
sets = 0;
|
|
if (p->fd >= 0) {
|
|
if (r && FD_ISSET(p->fd, r)) {
|
|
FD_CLR(p->fd, r);
|
|
log_Printf(LogTIMER, "%s: fdunset(r) %d\n", p->link.name, p->fd);
|
|
sets++;
|
|
}
|
|
if (e && FD_ISSET(p->fd, e)) {
|
|
FD_CLR(p->fd, e);
|
|
log_Printf(LogTIMER, "%s: fdunset(e) %d\n", p->link.name, p->fd);
|
|
sets++;
|
|
}
|
|
if (w && FD_ISSET(p->fd, w)) {
|
|
FD_CLR(p->fd, w);
|
|
log_Printf(LogTIMER, "%s: fdunset(w) %d\n", p->link.name, p->fd);
|
|
sets++;
|
|
}
|
|
}
|
|
|
|
return sets;
|
|
}
|
|
|
|
int
|
|
physical_IsSet(struct descriptor *d, const fd_set *fdset)
|
|
{
|
|
struct physical *p = descriptor2physical(d);
|
|
return p->fd >= 0 && FD_ISSET(p->fd, fdset);
|
|
}
|
|
|
|
void
|
|
physical_Login(struct physical *p, const char *name)
|
|
{
|
|
if (p->type == PHYS_DIRECT && !p->Utmp) {
|
|
struct utmp ut;
|
|
const char *connstr;
|
|
|
|
memset(&ut, 0, sizeof ut);
|
|
time(&ut.ut_time);
|
|
strncpy(ut.ut_name, name, sizeof ut.ut_name);
|
|
strncpy(ut.ut_line, p->name.base, sizeof ut.ut_line);
|
|
if ((connstr = getenv("CONNECT")))
|
|
/* mgetty sets this to the connection speed */
|
|
strncpy(ut.ut_host, connstr, sizeof ut.ut_host);
|
|
ID0login(&ut);
|
|
p->Utmp = 1;
|
|
}
|
|
}
|
|
|
|
int
|
|
physical_SetMode(struct physical *p, int mode)
|
|
{
|
|
if ((p->type & (PHYS_DIRECT|PHYS_DEDICATED) ||
|
|
mode & (PHYS_DIRECT|PHYS_DEDICATED)) &&
|
|
(!(p->type & PHYS_DIRECT) || !(mode & PHYS_BACKGROUND))) {
|
|
log_Printf(LogWARN, "%s: Cannot change mode %s to %s\n", p->link.name,
|
|
mode2Nam(p->type), mode2Nam(mode));
|
|
return 0;
|
|
}
|
|
p->type = mode;
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
physical_DeleteQueue(struct physical *p)
|
|
{
|
|
if (p->out) {
|
|
mbuf_Free(p->out);
|
|
p->out = NULL;
|
|
}
|
|
link_DeleteQueue(&p->link);
|
|
}
|
|
|
|
void
|
|
physical_SetDevice(struct physical *p, const char *name)
|
|
{
|
|
int len = strlen(_PATH_DEV);
|
|
|
|
strncpy(p->name.full, name, sizeof p->name.full - 1);
|
|
p->name.full[sizeof p->name.full - 1] = '\0';
|
|
p->name.base = *p->name.full == '!' ? p->name.full + 1 :
|
|
strncmp(p->name.full, _PATH_DEV, len) ?
|
|
p->name.full : p->name.full + len;
|
|
}
|
|
|
|
static void
|
|
physical_Found(struct physical *p)
|
|
{
|
|
throughput_start(&p->link.throughput, "physical throughput",
|
|
Enabled(p->dl->bundle, OPT_THROUGHPUT));
|
|
p->connect_count++;
|
|
p->input.sz = 0;
|
|
|
|
log_Printf(LogPHASE, "%s: Connected!\n", p->link.name);
|
|
}
|
|
|
|
int
|
|
physical_Open(struct physical *p, struct bundle *bundle)
|
|
{
|
|
int devno, h;
|
|
char *dev;
|
|
|
|
if (p->fd >= 0)
|
|
log_Printf(LogDEBUG, "%s: Open: Modem is already open!\n", p->link.name);
|
|
/* We're going back into "term" mode */
|
|
else if (p->type == PHYS_DIRECT) {
|
|
if (tty_OpenStdin(p)) {
|
|
physical_Found(p);
|
|
p->handler = &ttydevice;
|
|
} else {
|
|
log_Printf(LogDEBUG, "%s: physical_Open: stdin is not a tty\n",
|
|
p->link.name);
|
|
physical_SetDevice(p, "");
|
|
physical_SetupStack(p, 0);
|
|
physical_Found(p);
|
|
return p->fd = STDIN_FILENO;
|
|
}
|
|
} else {
|
|
dev = p->cfg.devlist;
|
|
devno = 0;
|
|
while (devno < p->cfg.ndev && p->fd < 0) {
|
|
physical_SetDevice(p, dev);
|
|
|
|
for (h = 0; h < NHANDLERS; h++)
|
|
if (handlers[h]->open && (*handlers[h]->open)(p)) {
|
|
p->handler = handlers[h];
|
|
physical_Found(p);
|
|
}
|
|
|
|
if (p->fd < 0)
|
|
log_Printf(LogWARN, "%s: Device (%s) must begin with a '/',"
|
|
" a '!' or be a host:port pair\n", p->link.name,
|
|
p->name.full);
|
|
dev += strlen(dev) + 1;
|
|
devno++;
|
|
}
|
|
}
|
|
|
|
return p->fd;
|
|
}
|
|
|
|
void
|
|
physical_SetupStack(struct physical *p, int forceasync)
|
|
{
|
|
link_EmptyStack(&p->link);
|
|
if (!forceasync && physical_IsSync(p))
|
|
link_Stack(&p->link, &synclayer);
|
|
else {
|
|
link_Stack(&p->link, &asynclayer);
|
|
link_Stack(&p->link, &hdlclayer);
|
|
}
|
|
link_Stack(&p->link, &acflayer);
|
|
link_Stack(&p->link, &protolayer);
|
|
link_Stack(&p->link, &lqrlayer);
|
|
link_Stack(&p->link, &ccplayer);
|
|
link_Stack(&p->link, &vjlayer);
|
|
#ifndef NOALIAS
|
|
link_Stack(&p->link, &aliaslayer);
|
|
#endif
|
|
if (forceasync && physical_IsSync(p))
|
|
log_Printf(LogWARN, "Sync device setting ignored for ``%s'' device\n",
|
|
p->handler ? p->handler->name : "unknown");
|
|
}
|