486b8925ec
o Add missing $Id$s
o Move extern decls from .c -> .h files
o Staticize
o Remove #includes from .h files
o style(9)ify includes
o bcopy -> memcpy
bzero -> memset
bcmp -> memcmp
index -> strchr
rindex -> strrchr
o Move timeout.h -> timer.h (making it consistent w/ timer.c)
o Add -Wmissing-prototypes
941 lines
19 KiB
C
941 lines
19 KiB
C
/*
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* PPP Modem handling module
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*
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* Written by Toshiharu OHNO (tony-o@iij.ad.jp)
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*
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* Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the Internet Initiative Japan, Inc. The name of the
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* IIJ may not be used to endorse or promote products derived
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* from this 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: modem.c,v 1.59 1997/10/24 22:36:31 brian Exp $
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*
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* TODO:
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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 <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/ioctl.h>
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#include <sys/tty.h>
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#include <termios.h>
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#include <time.h>
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#include <unistd.h>
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#ifdef __OpenBSD__
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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 <utmp.h>
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#include "mbuf.h"
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#include "log.h"
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#include "defs.h"
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#include "timer.h"
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#include "fsm.h"
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#include "hdlc.h"
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#include "lcp.h"
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#include "ip.h"
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#include "modem.h"
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#include "loadalias.h"
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#include "command.h"
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#include "vars.h"
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#include "main.h"
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#include "chat.h"
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#ifndef O_NONBLOCK
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#ifdef O_NDELAY
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#define O_NONBLOCK O_NDELAY
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#endif
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#endif
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static int mbits; /* Current DCD status */
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static int connect_count;
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static struct pppTimer ModemTimer;
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#define Online (mbits & TIOCM_CD)
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static struct mbuf *modemout;
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static struct mqueue OutputQueues[PRI_LINK + 1];
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static int dev_is_modem;
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void
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Enqueue(struct mqueue * queue, struct mbuf * bp)
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{
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if (queue->last) {
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queue->last->pnext = bp;
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queue->last = bp;
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} else
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queue->last = queue->top = bp;
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queue->qlen++;
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LogPrintf(LogDEBUG, "Enqueue: len = %d\n", queue->qlen);
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}
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struct mbuf *
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Dequeue(struct mqueue * queue)
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{
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struct mbuf *bp;
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LogPrintf(LogDEBUG, "Dequeue: len = %d\n", queue->qlen);
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bp = queue->top;
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if (bp) {
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queue->top = queue->top->pnext;
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queue->qlen--;
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if (queue->top == NULL) {
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queue->last = queue->top;
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if (queue->qlen)
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LogPrintf(LogDEBUG, "Dequeue: Not zero (%d)!!!\n", queue->qlen);
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}
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}
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return (bp);
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}
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static struct speeds {
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int nspeed;
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speed_t speed;
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} speeds[] = {
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#ifdef B50
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{
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50, B50,
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},
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#endif
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#ifdef B75
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{
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75, B75,
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},
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#endif
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#ifdef B110
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{
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110, B110,
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},
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#endif
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#ifdef B134
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{
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134, B134,
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},
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#endif
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#ifdef B150
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{
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150, B150,
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},
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#endif
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#ifdef B200
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{
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200, B200,
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},
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#endif
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#ifdef B300
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{
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300, B300,
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},
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#endif
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#ifdef B600
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{
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600, B600,
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},
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#endif
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#ifdef B1200
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{
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1200, B1200,
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},
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#endif
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#ifdef B1800
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{
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1800, B1800,
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},
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#endif
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#ifdef B2400
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{
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2400, B2400,
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},
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#endif
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#ifdef B4800
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{
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4800, B4800,
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},
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#endif
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#ifdef B9600
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{
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9600, B9600,
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},
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#endif
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#ifdef B19200
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{
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19200, B19200,
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},
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#endif
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#ifdef B38400
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{
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38400, B38400,
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},
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#endif
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#ifndef _POSIX_SOURCE
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#ifdef B7200
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{
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7200, B7200,
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},
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#endif
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#ifdef B14400
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{
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14400, B14400,
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},
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#endif
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#ifdef B28800
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{
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28800, B28800,
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},
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#endif
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#ifdef B57600
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{
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57600, B57600,
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},
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#endif
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#ifdef B76800
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{
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76800, B76800,
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},
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#endif
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#ifdef B115200
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{
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115200, B115200,
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},
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#endif
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#ifdef B230400
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{
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230400, B230400,
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},
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#endif
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#ifdef EXTA
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{
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19200, EXTA,
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},
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#endif
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#ifdef EXTB
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{
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38400, EXTB,
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},
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#endif
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#endif /* _POSIX_SOURCE */
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{
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0, 0
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}
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};
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static int
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SpeedToInt(speed_t speed)
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{
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struct speeds *sp;
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for (sp = speeds; sp->nspeed; sp++) {
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if (sp->speed == speed) {
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return (sp->nspeed);
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}
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}
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return 0;
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}
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speed_t
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IntToSpeed(int nspeed)
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{
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struct speeds *sp;
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for (sp = speeds; sp->nspeed; sp++) {
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if (sp->nspeed == nspeed) {
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return (sp->speed);
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}
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}
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return B0;
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}
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static time_t uptime;
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void
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DownConnection()
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{
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char ScriptBuffer[200];
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LogPrintf(LogPHASE, "Disconnected!\n");
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if (uptime)
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LogPrintf(LogPHASE, "Connect time: %d secs\n", time(NULL) - uptime);
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uptime = 0;
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strcpy(ScriptBuffer, VarHangupScript); /* arrays are the same size */
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DoChat(ScriptBuffer);
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if (!TermMode) {
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CloseModem();
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LcpDown();
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}
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}
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/*
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* ModemTimeout() watches DCD signal and notifies if it's status is changed.
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*
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*/
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void
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ModemTimeout()
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{
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int ombits = mbits;
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int change;
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StopTimer(&ModemTimer);
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StartTimer(&ModemTimer);
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if (dev_is_modem) {
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if (modem >= 0) {
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if (ioctl(modem, TIOCMGET, &mbits) < 0) {
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LogPrintf(LogPHASE, "ioctl error (%s)!\n", strerror(errno));
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DownConnection();
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return;
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}
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} else
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mbits = 0;
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change = ombits ^ mbits;
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if (change & TIOCM_CD) {
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if (Online) {
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time(&uptime);
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LogPrintf(LogPHASE, "*Connected!\n");
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connect_count++;
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/*
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* In dedicated mode, start packet mode immediate after we detected
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* carrier.
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*/
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if (mode & MODE_DEDICATED)
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PacketMode();
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} else {
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reconnect(RECON_TRUE);
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DownConnection();
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}
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}
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} else if (!Online) {
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/* mbits was set to zero in OpenModem() */
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time(&uptime);
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LogPrintf(LogPHASE, "Connected!\n");
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mbits = TIOCM_CD;
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connect_count++;
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} else if (uptime == 0) {
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time(&uptime);
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}
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}
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static void
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StartModemTimer()
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{
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StopTimer(&ModemTimer);
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ModemTimer.state = TIMER_STOPPED;
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ModemTimer.load = SECTICKS;
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ModemTimer.func = ModemTimeout;
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LogPrintf(LogDEBUG, "ModemTimer using ModemTimeout() - %p\n", ModemTimeout);
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StartTimer(&ModemTimer);
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}
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struct parity {
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char *name;
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char *name1;
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int set;
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} validparity[] = {
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{
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"even", "P_EVEN", CS7 | PARENB
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}, {
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"odd", "P_ODD", CS7 | PARENB | PARODD
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},
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{
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"none", "P_ZERO", CS8
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}, {
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NULL, 0
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},
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};
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static int
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GetParityValue(char *str)
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{
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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 VarParity = 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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ChangeParity(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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VarParity = val;
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tcgetattr(modem, &rstio);
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rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
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rstio.c_cflag |= val;
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tcsetattr(modem, TCSADRAIN, &rstio);
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return 0;
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}
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LogPrintf(LogWARN, "ChangeParity: %s: Invalid parity\n", str);
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return -1;
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}
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static int
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OpenConnection(char *host, char *port)
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{
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struct sockaddr_in dest;
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int sock;
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struct hostent *hp;
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struct servent *sp;
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dest.sin_family = AF_INET;
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dest.sin_addr.s_addr = inet_addr(host);
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if (dest.sin_addr.s_addr == INADDR_NONE) {
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hp = gethostbyname(host);
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if (hp) {
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memcpy(&dest.sin_addr.s_addr, hp->h_addr_list[0], 4);
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} else {
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LogPrintf(LogWARN, "OpenConnection: unknown host: %s\n", host);
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return (-1);
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}
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}
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dest.sin_port = htons(atoi(port));
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if (dest.sin_port == 0) {
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sp = getservbyname(port, "tcp");
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if (sp) {
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dest.sin_port = sp->s_port;
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} else {
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LogPrintf(LogWARN, "OpenConnection: unknown service: %s\n", port);
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return (-1);
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}
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}
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LogPrintf(LogPHASE, "Connected to %s:%s\n", host, port);
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sock = socket(PF_INET, SOCK_STREAM, 0);
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if (sock < 0) {
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return (sock);
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}
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if (connect(sock, (struct sockaddr *) & dest, sizeof(dest)) < 0) {
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LogPrintf(LogWARN, "OpenConnection: connection failed.\n");
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return (-1);
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}
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LogPrintf(LogDEBUG, "OpenConnection: modem fd is %d.\n", sock);
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return (sock);
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}
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static char fn[MAXPATHLEN];
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static int
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LockModem()
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{
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int res;
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FILE *lockfile;
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if (*VarDevice != '/')
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return 0;
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if (!(mode & MODE_DIRECT) && (res = uu_lock(VarBaseDevice)) != UU_LOCK_OK) {
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if (res == UU_LOCK_INUSE)
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LogPrintf(LogPHASE, "Modem %s is in use\n", VarDevice);
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else
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LogPrintf(LogPHASE, "Modem %s is in use: uu_lock: %s\n",
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VarDevice, uu_lockerr(res));
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return (-1);
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}
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snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, VarBaseDevice);
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(void) unlink(fn);
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|
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if ((lockfile = fopen(fn, "w")) != NULL) {
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fprintf(lockfile, "tun%d\n", tunno);
|
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fclose(lockfile);
|
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} else
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LogPrintf(LogALERT, "Warning: Can't create %s: %s\n", fn, strerror(errno));
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|
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return 0;
|
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}
|
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|
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static void
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UnlockModem()
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{
|
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if (*VarDevice != '/')
|
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return;
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|
|
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snprintf(fn, sizeof fn, "%s%s.if", _PATH_VARRUN, VarBaseDevice);
|
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if (unlink(fn) == -1)
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LogPrintf(LogALERT, "Warning: Can't remove %s: %s\n", fn, strerror(errno));
|
|
|
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if (!(mode & MODE_DIRECT) && uu_unlock(VarBaseDevice) == -1)
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LogPrintf(LogALERT, "Warning: Can't uu_unlock %s\n", fn);
|
|
}
|
|
|
|
static struct termios modemios;
|
|
|
|
int
|
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OpenModem(int mode)
|
|
{
|
|
struct termios rstio;
|
|
int oldflag;
|
|
char *host, *cp, *port;
|
|
|
|
if (modem >= 0)
|
|
LogPrintf(LogDEBUG, "OpenModem: Modem is already open!\n");
|
|
/* We're going back into "term" mode */
|
|
else if (mode & MODE_DIRECT) {
|
|
if (isatty(0)) {
|
|
LogPrintf(LogDEBUG, "OpenModem(direct): Modem is a tty\n");
|
|
cp = ttyname(0);
|
|
SetVariable(0, 1, &cp, VAR_DEVICE);
|
|
if (LockModem() == -1) {
|
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close(0);
|
|
return -1;
|
|
}
|
|
modem = 0;
|
|
} else {
|
|
LogPrintf(LogDEBUG, "OpenModem(direct): Modem is not a tty\n");
|
|
SetVariable(0, 0, 0, VAR_DEVICE);
|
|
return modem = 0;
|
|
}
|
|
} else {
|
|
if (strncmp(VarDevice, "/dev/", 5) == 0) {
|
|
if (LockModem() == -1)
|
|
return (-1);
|
|
modem = open(VarDevice, O_RDWR | O_NONBLOCK);
|
|
if (modem < 0) {
|
|
LogPrintf(LogERROR, "OpenModem failed: %s: %s\n", VarDevice,
|
|
strerror(errno));
|
|
UnlockModem();
|
|
return (-1);
|
|
}
|
|
LogPrintf(LogDEBUG, "OpenModem: Modem is %s\n", VarDevice);
|
|
} else {
|
|
/* PPP over TCP */
|
|
cp = strchr(VarDevice, ':');
|
|
if (cp) {
|
|
*cp = 0;
|
|
host = VarDevice;
|
|
port = cp + 1;
|
|
if (*host && *port) {
|
|
modem = OpenConnection(host, port);
|
|
*cp = ':'; /* Don't destroy VarDevice */
|
|
if (modem < 0)
|
|
return (-1);
|
|
LogPrintf(LogDEBUG, "OpenModem: Modem is socket %s\n", VarDevice);
|
|
} else {
|
|
*cp = ':'; /* Don't destroy VarDevice */
|
|
LogPrintf(LogERROR, "Invalid host:port: \"%s\"\n", VarDevice);
|
|
return (-1);
|
|
}
|
|
} else {
|
|
LogPrintf(LogERROR,
|
|
"Device (%s) must be in /dev or be a host:port pair\n",
|
|
VarDevice);
|
|
return (-1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we are working on tty device, change it's mode into the one desired
|
|
* for further operation. In this implementation, we assume that modem is
|
|
* configuted to use CTS/RTS flow control.
|
|
*/
|
|
mbits = 0;
|
|
dev_is_modem = isatty(modem) || DEV_IS_SYNC;
|
|
if (DEV_IS_SYNC)
|
|
nointr_sleep(1);
|
|
if (dev_is_modem && !DEV_IS_SYNC) {
|
|
tcgetattr(modem, &rstio);
|
|
modemios = rstio;
|
|
LogPrintf(LogDEBUG, "OpenModem: modem = %d\n", modem);
|
|
LogPrintf(LogDEBUG, "OpenModem: modem (get): iflag = %x, oflag = %x,"
|
|
" cflag = %x\n", rstio.c_iflag, rstio.c_oflag, rstio.c_cflag);
|
|
cfmakeraw(&rstio);
|
|
if (VarCtsRts)
|
|
rstio.c_cflag |= CLOCAL | CCTS_OFLOW | CRTS_IFLOW;
|
|
else {
|
|
rstio.c_cflag |= CLOCAL;
|
|
rstio.c_iflag |= IXOFF;
|
|
}
|
|
rstio.c_iflag |= IXON;
|
|
if (!(mode & MODE_DEDICATED))
|
|
rstio.c_cflag |= HUPCL;
|
|
if ((mode & MODE_DIRECT) == 0) {
|
|
|
|
/*
|
|
* If we are working as direct mode, don't change tty speed.
|
|
*/
|
|
rstio.c_cflag &= ~(CSIZE | PARODD | PARENB);
|
|
rstio.c_cflag |= VarParity;
|
|
if (cfsetspeed(&rstio, IntToSpeed(VarSpeed)) == -1) {
|
|
LogPrintf(LogWARN, "Unable to set modem speed (modem %d to %d)\n",
|
|
modem, VarSpeed);
|
|
}
|
|
}
|
|
tcsetattr(modem, TCSADRAIN, &rstio);
|
|
LogPrintf(LogDEBUG, "modem (put): iflag = %x, oflag = %x, cflag = %x\n",
|
|
rstio.c_iflag, rstio.c_oflag, rstio.c_cflag);
|
|
|
|
if (!(mode & MODE_DIRECT))
|
|
if (ioctl(modem, TIOCMGET, &mbits)) {
|
|
LogPrintf(LogERROR, "OpenModem: Cannot get modem status: %s\n",
|
|
strerror(errno));
|
|
CloseModem();
|
|
return (-1);
|
|
}
|
|
LogPrintf(LogDEBUG, "OpenModem: modem control = %o\n", mbits);
|
|
|
|
oldflag = fcntl(modem, F_GETFL, 0);
|
|
if (oldflag < 0) {
|
|
LogPrintf(LogERROR, "OpenModem: Cannot get modem flags: %s\n",
|
|
strerror(errno));
|
|
CloseModem();
|
|
return (-1);
|
|
}
|
|
(void) fcntl(modem, F_SETFL, oldflag & ~O_NONBLOCK);
|
|
}
|
|
StartModemTimer();
|
|
|
|
return (modem);
|
|
}
|
|
|
|
int
|
|
ModemSpeed()
|
|
{
|
|
struct termios rstio;
|
|
|
|
tcgetattr(modem, &rstio);
|
|
return (SpeedToInt(cfgetispeed(&rstio)));
|
|
}
|
|
|
|
/*
|
|
* Put modem tty line into raw mode which is necessary in packet mode operation
|
|
*/
|
|
int
|
|
RawModem(int modem)
|
|
{
|
|
struct termios rstio;
|
|
int oldflag;
|
|
|
|
if (!isatty(modem) || DEV_IS_SYNC)
|
|
return (0);
|
|
if (!(mode & MODE_DIRECT) && modem >= 0 && !Online) {
|
|
LogPrintf(LogDEBUG, "RawModem: mode = %d, modem = %d, mbits = %x\n", mode, modem, mbits);
|
|
}
|
|
tcgetattr(modem, &rstio);
|
|
cfmakeraw(&rstio);
|
|
if (VarCtsRts)
|
|
rstio.c_cflag |= CLOCAL | CCTS_OFLOW | CRTS_IFLOW;
|
|
else
|
|
rstio.c_cflag |= CLOCAL;
|
|
|
|
if (!(mode & MODE_DEDICATED))
|
|
rstio.c_cflag |= HUPCL;
|
|
tcsetattr(modem, TCSADRAIN, &rstio);
|
|
oldflag = fcntl(modem, F_GETFL, 0);
|
|
if (oldflag < 0)
|
|
return (-1);
|
|
(void) fcntl(modem, F_SETFL, oldflag | O_NONBLOCK);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
UnrawModem(int modem)
|
|
{
|
|
int oldflag;
|
|
|
|
if (isatty(modem) && !DEV_IS_SYNC) {
|
|
tcsetattr(modem, TCSAFLUSH, &modemios);
|
|
oldflag = fcntl(modem, F_GETFL, 0);
|
|
if (oldflag < 0)
|
|
return;
|
|
(void) fcntl(modem, F_SETFL, oldflag & ~O_NONBLOCK);
|
|
}
|
|
}
|
|
|
|
void
|
|
HangupModem(int flag)
|
|
{
|
|
struct termios tio;
|
|
|
|
if (!isatty(modem)) {
|
|
mbits &= ~TIOCM_DTR;
|
|
close(modem);
|
|
modem = -1; /* Mark as modem has closed */
|
|
return;
|
|
}
|
|
|
|
if (modem >= 0 && Online) {
|
|
mbits &= ~TIOCM_DTR;
|
|
tcgetattr(modem, &tio);
|
|
if (cfsetspeed(&tio, B0) == -1) {
|
|
LogPrintf(LogWARN, "Unable to set modem to speed 0\n");
|
|
}
|
|
tcsetattr(modem, TCSANOW, &tio);
|
|
nointr_sleep(1);
|
|
}
|
|
|
|
/*
|
|
* If we are working as dedicated mode, never close it until we are
|
|
* directed to quit program.
|
|
*/
|
|
if (modem >= 0 && (flag || !(mode & MODE_DEDICATED))) {
|
|
ModemTimeout(); /* XXX */
|
|
StopTimer(&ModemTimer); /* XXX */
|
|
|
|
/*
|
|
* ModemTimeout() may call DownConection() to close the modem resulting
|
|
* in modem == -1.
|
|
*/
|
|
if (modem >= 0) {
|
|
char ScriptBuffer[200];
|
|
|
|
strcpy(ScriptBuffer, VarHangupScript); /* arrays are the same size */
|
|
DoChat(ScriptBuffer);
|
|
tcflush(modem, TCIOFLUSH);
|
|
UnrawModem(modem);
|
|
CloseModem();
|
|
}
|
|
} else if (modem >= 0) {
|
|
char ScriptBuffer[200];
|
|
|
|
mbits |= TIOCM_DTR;
|
|
#ifndef notyet
|
|
ioctl(modem, TIOCMSET, &mbits);
|
|
#else
|
|
tcgetattr(modem, &ts);
|
|
cfsetspeed(&ts, IntToSpeed(VarSpeed));
|
|
tcsetattr(modem, TCSADRAIN, &ts);
|
|
#endif
|
|
strcpy(ScriptBuffer, VarHangupScript); /* arrays are the same size */
|
|
DoChat(ScriptBuffer);
|
|
}
|
|
}
|
|
|
|
void
|
|
CloseModem()
|
|
{
|
|
if (modem >= 0) {
|
|
close(modem);
|
|
if (Utmp) {
|
|
struct utmp ut;
|
|
strncpy(ut.ut_line, VarBaseDevice, sizeof(ut.ut_line)-1);
|
|
ut.ut_line[sizeof(ut.ut_line)-1] = '\0';
|
|
if (logout(ut.ut_line))
|
|
logwtmp(ut.ut_line, "", "");
|
|
else
|
|
LogPrintf(LogERROR, "CloseModem: No longer logged in on %s\n",
|
|
ut.ut_line);
|
|
Utmp = 0;
|
|
}
|
|
UnlockModem();
|
|
modem = -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Write to modem. Actualy, requested packets are queued, and goes out
|
|
* to the line when ModemStartOutput() is called.
|
|
*/
|
|
void
|
|
WriteModem(int pri, char *ptr, int count)
|
|
{
|
|
struct mbuf *bp;
|
|
|
|
bp = mballoc(count, MB_MODEM);
|
|
memcpy(MBUF_CTOP(bp), ptr, count);
|
|
|
|
/*
|
|
* Should be NORMAL and LINK only. All IP frames get here marked NORMAL.
|
|
*/
|
|
Enqueue(&OutputQueues[pri], bp);
|
|
}
|
|
|
|
void
|
|
ModemOutput(int pri, struct mbuf * bp)
|
|
{
|
|
struct mbuf *wp;
|
|
int len;
|
|
|
|
len = plength(bp);
|
|
wp = mballoc(len, MB_MODEM);
|
|
mbread(bp, MBUF_CTOP(wp), len);
|
|
Enqueue(&OutputQueues[pri], wp);
|
|
ModemStartOutput(modem);
|
|
}
|
|
|
|
int
|
|
ModemQlen()
|
|
{
|
|
struct mqueue *queue;
|
|
int len = 0;
|
|
int i;
|
|
|
|
for (i = PRI_NORMAL; i <= PRI_LINK; i++) {
|
|
queue = &OutputQueues[i];
|
|
len += queue->qlen;
|
|
}
|
|
return (len);
|
|
|
|
}
|
|
|
|
void
|
|
ModemStartOutput(int fd)
|
|
{
|
|
struct mqueue *queue;
|
|
int nb, nw;
|
|
int i;
|
|
|
|
if (modemout == NULL && ModemQlen() == 0)
|
|
IpStartOutput();
|
|
if (modemout == NULL) {
|
|
i = PRI_LINK;
|
|
for (queue = &OutputQueues[PRI_LINK]; queue >= OutputQueues; queue--) {
|
|
if (queue->top) {
|
|
modemout = Dequeue(queue);
|
|
if (LogIsKept(LogDEBUG)) {
|
|
if (i > PRI_NORMAL) {
|
|
struct mqueue *q;
|
|
|
|
q = &OutputQueues[0];
|
|
LogPrintf(LogDEBUG, "ModemStartOutput: Output from queue %d,"
|
|
" normal has %d\n", i, q->qlen);
|
|
}
|
|
LogPrintf(LogDEBUG, "ModemStartOutput: Dequeued %d\n", i);
|
|
}
|
|
break;
|
|
}
|
|
i--;
|
|
}
|
|
}
|
|
if (modemout) {
|
|
nb = modemout->cnt;
|
|
if (nb > 1600)
|
|
nb = 1600;
|
|
nw = write(fd, MBUF_CTOP(modemout), nb);
|
|
LogPrintf(LogDEBUG, "ModemStartOutput: wrote: %d(%d)\n", nw, nb);
|
|
LogDumpBuff(LogDEBUG, "ModemStartOutput: modem write",
|
|
MBUF_CTOP(modemout), nb);
|
|
if (nw > 0) {
|
|
modemout->cnt -= nw;
|
|
modemout->offset += nw;
|
|
if (modemout->cnt == 0) {
|
|
modemout = mbfree(modemout);
|
|
LogPrintf(LogDEBUG, "ModemStartOutput: mbfree\n");
|
|
}
|
|
} else if (nw < 0) {
|
|
if (errno != EAGAIN) {
|
|
LogPrintf(LogERROR, "modem write (%d): %s\n", modem, strerror(errno));
|
|
reconnect(RECON_TRUE);
|
|
DownConnection();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
DialModem()
|
|
{
|
|
char ScriptBuffer[200];
|
|
int excode;
|
|
|
|
strncpy(ScriptBuffer, VarDialScript, sizeof(ScriptBuffer) - 1);
|
|
ScriptBuffer[sizeof(ScriptBuffer) - 1] = '\0';
|
|
if ((excode = DoChat(ScriptBuffer)) > 0) {
|
|
if (VarTerm)
|
|
fprintf(VarTerm, "dial OK!\n");
|
|
strncpy(ScriptBuffer, VarLoginScript, sizeof(ScriptBuffer) - 1);
|
|
if ((excode = DoChat(ScriptBuffer)) > 0) {
|
|
VarAltPhone = NULL;
|
|
if (VarTerm)
|
|
fprintf(VarTerm, "login OK!\n");
|
|
return EX_DONE;
|
|
} else if (excode == -1)
|
|
excode = EX_SIG;
|
|
else {
|
|
LogPrintf(LogWARN, "DialModem: login failed.\n");
|
|
excode = EX_NOLOGIN;
|
|
}
|
|
ModemTimeout(); /* Dummy call to check modem status */
|
|
} else if (excode == -1)
|
|
excode = EX_SIG;
|
|
else {
|
|
LogPrintf(LogWARN, "DialModem: dial failed.\n");
|
|
excode = EX_NODIAL;
|
|
}
|
|
HangupModem(0);
|
|
return (excode);
|
|
}
|
|
|
|
int
|
|
ShowModemStatus()
|
|
{
|
|
char *dev;
|
|
#ifdef TIOCOUTQ
|
|
int nb;
|
|
#endif
|
|
|
|
if (!VarTerm)
|
|
return 1;
|
|
|
|
dev = *VarDevice ? VarDevice : "network";
|
|
|
|
fprintf(VarTerm, "device: %s speed: ", dev);
|
|
if (DEV_IS_SYNC)
|
|
fprintf(VarTerm, "sync\n");
|
|
else
|
|
fprintf(VarTerm, "%d\n", VarSpeed);
|
|
|
|
switch (VarParity & CSIZE) {
|
|
case CS7:
|
|
fprintf(VarTerm, "cs7, ");
|
|
break;
|
|
case CS8:
|
|
fprintf(VarTerm, "cs8, ");
|
|
break;
|
|
}
|
|
if (VarParity & PARENB) {
|
|
if (VarParity & PARODD)
|
|
fprintf(VarTerm, "odd parity, ");
|
|
else
|
|
fprintf(VarTerm, "even parity, ");
|
|
} else
|
|
fprintf(VarTerm, "no parity, ");
|
|
|
|
fprintf(VarTerm, "CTS/RTS %s.\n", (VarCtsRts ? "on" : "off"));
|
|
|
|
if (LogIsKept(LogDEBUG))
|
|
fprintf(VarTerm, "fd = %d, modem control = %o\n", modem, mbits);
|
|
fprintf(VarTerm, "connect count: %d\n", connect_count);
|
|
#ifdef TIOCOUTQ
|
|
if (modem >= 0)
|
|
if (ioctl(modem, TIOCOUTQ, &nb) > 0)
|
|
fprintf(VarTerm, "outq: %d\n", nb);
|
|
else
|
|
fprintf(VarTerm, "outq: ioctl probe failed: %s\n", strerror(errno));
|
|
#endif
|
|
fprintf(VarTerm, "outqlen: %d\n", ModemQlen());
|
|
fprintf(VarTerm, "DialScript = %s\n", VarDialScript);
|
|
fprintf(VarTerm, "LoginScript = %s\n", VarLoginScript);
|
|
fprintf(VarTerm, "PhoneNumber(s) = %s\n", VarPhoneList);
|
|
|
|
return 0;
|
|
}
|