1998-01-29 00:49:32 +00:00
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/*
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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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1998-03-10 03:06:07 +00:00
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* $Id: physical.c,v 1.1.2.13 1998/03/06 00:34:46 brian Exp $
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1998-01-29 00:49:32 +00:00
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*
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*/
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#include <sys/param.h>
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#include <sys/tty.h>
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#include <sys/uio.h>
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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1998-03-10 03:06:07 +00:00
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#include <time.h>
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1998-01-29 00:49:32 +00:00
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#include <unistd.h>
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1998-03-10 03:06:07 +00:00
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#include <utmp.h>
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1998-01-29 00:49:32 +00:00
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/* XXX Name space pollution from vars.h */
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#include <netinet/in.h>
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#include <alias.h>
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1998-03-10 03:06:07 +00:00
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1998-01-29 00:49:32 +00:00
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#include "defs.h"
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#include "command.h"
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#include "loadalias.h"
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/* XXX Name space pollution from hdlc.h */
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#include "mbuf.h"
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/* Name space pollution for physical.h */
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#include "timer.h"
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1998-02-18 19:35:59 +00:00
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#include "hdlc.h"
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1998-01-29 00:49:32 +00:00
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#include "throughput.h"
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1998-02-02 19:33:40 +00:00
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#include "fsm.h"
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#include "lcp.h"
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#include "async.h"
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1998-01-30 19:46:07 +00:00
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#include "link.h"
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1998-01-29 00:49:32 +00:00
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1998-02-09 19:21:11 +00:00
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#include "descriptor.h"
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1998-01-29 00:49:32 +00:00
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#include "physical.h"
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#include "vars.h"
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1998-02-06 02:23:48 +00:00
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#include "bundle.h"
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1998-02-09 19:21:11 +00:00
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#include "log.h"
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1998-03-10 03:06:07 +00:00
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#include "id.h"
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1998-01-29 00:49:32 +00:00
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/* External calls - should possibly be moved inline */
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extern int IntToSpeed(int);
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int
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Physical_GetFD(struct physical *phys) {
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return phys->fd;
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}
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int
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Physical_IsATTY(struct physical *phys) {
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return isatty(phys->fd);
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}
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int
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Physical_IsSync(struct physical *phys) {
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1998-02-17 19:29:03 +00:00
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return phys->cfg.speed == 0;
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1998-01-29 00:49:32 +00:00
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}
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int
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Physical_FD_ISSET(struct physical *phys, fd_set *set) {
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return phys->fd >= 0 && FD_ISSET(phys->fd, set);
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}
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void
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Physical_FD_SET(struct physical *phys, fd_set *set) {
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assert(phys->fd >= 0);
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FD_SET(phys->fd, set);
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}
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1998-03-06 00:34:47 +00:00
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const char *Physical_GetDevice(struct physical *phys)
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{
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return phys->name.full;
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1998-01-29 00:49:32 +00:00
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}
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/* XXX-ML - must be moved into the physical struct */
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void
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1998-03-06 00:34:47 +00:00
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Physical_SetDeviceList(struct physical *phys, const char *new_device_list) {
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strncpy(phys->cfg.devlist, new_device_list, sizeof phys->cfg.devlist - 1);
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phys->cfg.devlist[sizeof phys->cfg.devlist - 1] = '\0';
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1998-01-29 00:49:32 +00:00
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}
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int
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Physical_SetSpeed(struct physical *phys, int speed) {
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if (IntToSpeed(speed) != B0) {
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1998-02-17 19:29:03 +00:00
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phys->cfg.speed = speed;
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1998-01-29 00:49:32 +00:00
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return 1;
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} else {
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1998-02-17 19:29:03 +00:00
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return 0;
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1998-01-29 00:49:32 +00:00
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}
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}
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void
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Physical_SetSync(struct physical *phys) {
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1998-02-17 19:29:03 +00:00
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phys->cfg.speed = 0;
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1998-01-29 00:49:32 +00:00
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}
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int
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Physical_SetRtsCts(struct physical *phys, int enable) {
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assert(enable == 0 || enable == 1);
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1998-02-17 19:29:03 +00:00
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phys->cfg.rts_cts = enable;
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1998-01-29 00:49:32 +00:00
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return 1;
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}
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void
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Physical_SetDedicated(struct physical *phys, int enable) {
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assert(enable == 0 || enable == 1);
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1998-02-17 19:29:03 +00:00
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phys->cfg.is_dedicated = enable;
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1998-01-29 00:49:32 +00:00
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}
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void
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Physical_SetDirect(struct physical *phys, int enable) {
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assert(enable == 0 || enable == 1);
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1998-02-17 19:29:03 +00:00
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phys->cfg.is_direct = enable;
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1998-01-29 00:49:32 +00:00
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}
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int
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Physical_IsDirect(struct physical *phys) {
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1998-02-17 19:29:03 +00:00
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return phys->cfg.is_direct;
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1998-01-29 00:49:32 +00:00
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}
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int
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Physical_IsDedicated(struct physical *phys) {
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1998-02-17 19:29:03 +00:00
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return phys->cfg.is_dedicated;
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1998-01-29 00:49:32 +00:00
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}
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void
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Physical_DupAndClose(struct physical *phys) {
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int nmodem;
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nmodem = dup(phys->fd);
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close(phys->fd);
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phys->fd = nmodem;
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}
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/* Encapsulation for a read on the FD. Avoids some exposure, and
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concentrates control. */
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ssize_t
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Physical_Read(struct physical *phys, void *buf, size_t nbytes) {
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return read(phys->fd, buf, nbytes);
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}
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ssize_t
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Physical_Write(struct physical *phys, const void *buf, size_t nbytes) {
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return write(phys->fd, buf, nbytes);
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}
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1998-02-06 02:22:28 +00:00
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int
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Physical_ReportProtocolStatus(struct cmdargs const *arg)
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{
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1998-02-16 00:01:12 +00:00
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link_ReportProtocolStatus(bundle2link(arg->bundle, NULL));
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1998-02-06 02:22:28 +00:00
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return 0;
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}
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1998-02-09 19:21:11 +00:00
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int
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Physical_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e,
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1998-02-13 05:10:26 +00:00
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int *n, int force)
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1998-02-09 19:21:11 +00:00
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{
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struct physical *p = descriptor2physical(d);
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int sets;
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LogPrintf(LogDEBUG, "descriptor2physical; %p -> %p\n", d, p);
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1998-02-13 05:10:26 +00:00
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sets = 0;
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1998-02-09 19:21:11 +00:00
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if (p->fd >= 0) {
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1998-02-13 05:10:26 +00:00
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if (r) {
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FD_SET(p->fd, r);
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sets++;
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}
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if (e) {
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FD_SET(p->fd, e);
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sets++;
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}
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if (w && (force || link_QueueLen(&p->link))) {
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1998-02-09 19:21:11 +00:00
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FD_SET(p->fd, w);
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1998-02-13 05:10:26 +00:00
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sets++;
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}
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if (sets && *n < p->fd + 1)
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*n = p->fd + 1;
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}
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1998-02-09 19:21:11 +00:00
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return sets;
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}
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int
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Physical_IsSet(struct descriptor *d, fd_set *fdset)
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{
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struct physical *p = descriptor2physical(d);
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LogPrintf(LogDEBUG, "descriptor2physical; %p -> %p\n", d, p);
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return p->fd >= 0 && FD_ISSET(p->fd, fdset);
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}
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void
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1998-02-23 00:38:44 +00:00
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Physical_DescriptorWrite(struct descriptor *d, struct bundle *bundle,
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const fd_set *fdset)
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1998-02-09 19:21:11 +00:00
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{
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struct physical *p = descriptor2physical(d);
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LogPrintf(LogDEBUG, "descriptor2physical; %p -> %p\n", d, p);
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1998-02-23 00:38:44 +00:00
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link_StartOutput(&p->link, bundle);
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1998-02-09 19:21:11 +00:00
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}
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1998-03-10 03:06:07 +00:00
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void
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Physical_Login(struct physical *phys, const char *name)
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{
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if ((mode & MODE_DIRECT) && Physical_IsATTY(phys) && Enabled(ConfUtmp))
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if (phys->Utmp)
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LogPrintf(LogERROR, "Oops, already logged in on %s\n", phys->name.base);
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else {
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struct utmp ut;
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memset(&ut, 0, sizeof ut);
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time(&ut.ut_time);
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strncpy(ut.ut_name, name, sizeof ut.ut_name);
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strncpy(ut.ut_line, phys->name.base, sizeof ut.ut_line - 1);
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ID0login(&ut);
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phys->Utmp = 1;
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}
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}
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void
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Physical_Logout(struct physical *phys)
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{
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if (phys->Utmp) {
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ID0logout(phys->name.base);
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phys->Utmp = 0;
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}
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}
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