15d9e6103SBrian Somers /*- 25d9e6103SBrian Somers * Copyright (c) 1999 Brian Somers <brian@Awfulhak.org> 35d9e6103SBrian Somers * All rights reserved. 45d9e6103SBrian Somers * 55d9e6103SBrian Somers * Redistribution and use in source and binary forms, with or without 65d9e6103SBrian Somers * modification, are permitted provided that the following conditions 75d9e6103SBrian Somers * are met: 85d9e6103SBrian Somers * 1. Redistributions of source code must retain the above copyright 95d9e6103SBrian Somers * notice, this list of conditions and the following disclaimer. 105d9e6103SBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 115d9e6103SBrian Somers * notice, this list of conditions and the following disclaimer in the 125d9e6103SBrian Somers * documentation and/or other materials provided with the distribution. 135d9e6103SBrian Somers * 145d9e6103SBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 155d9e6103SBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 165d9e6103SBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 175d9e6103SBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 185d9e6103SBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 195d9e6103SBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 205d9e6103SBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 215d9e6103SBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 225d9e6103SBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 235d9e6103SBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 245d9e6103SBrian Somers * SUCH DAMAGE. 255d9e6103SBrian Somers * 26d0b3b745SBrian Somers * $Id: tty.c,v 1.7 1999/05/24 16:39:16 brian Exp $ 275d9e6103SBrian Somers */ 285d9e6103SBrian Somers 295d9e6103SBrian Somers #include <sys/param.h> 305d9e6103SBrian Somers #include <sys/socket.h> 315d9e6103SBrian Somers #include <netinet/in.h> 325d9e6103SBrian Somers #include <arpa/inet.h> 335d9e6103SBrian Somers #include <netdb.h> 345d9e6103SBrian Somers #include <netinet/in_systm.h> 355d9e6103SBrian Somers #include <netinet/ip.h> 365d9e6103SBrian Somers #include <sys/un.h> 375d9e6103SBrian Somers #if defined(__OpenBSD__) || defined(__NetBSD__) 385d9e6103SBrian Somers #include <sys/ioctl.h> 395d9e6103SBrian Somers #include <util.h> 405d9e6103SBrian Somers #else 415d9e6103SBrian Somers #include <libutil.h> 425d9e6103SBrian Somers #endif 435d9e6103SBrian Somers 445d9e6103SBrian Somers #include <errno.h> 455d9e6103SBrian Somers #include <fcntl.h> 465d9e6103SBrian Somers #include <paths.h> 475d9e6103SBrian Somers #include <stdio.h> 485d9e6103SBrian Somers #include <stdlib.h> 495d9e6103SBrian Somers #include <string.h> 505d9e6103SBrian Somers #include <sys/wait.h> 516815097bSBrian Somers #include <sys/uio.h> 525d9e6103SBrian Somers #include <termios.h> 535d9e6103SBrian Somers #include <unistd.h> 545d9e6103SBrian Somers 555d9e6103SBrian Somers #include "layer.h" 565d9e6103SBrian Somers #include "defs.h" 575d9e6103SBrian Somers #include "mbuf.h" 585d9e6103SBrian Somers #include "log.h" 595d9e6103SBrian Somers #include "id.h" 605d9e6103SBrian Somers #include "sync.h" 615d9e6103SBrian Somers #include "timer.h" 625d9e6103SBrian Somers #include "lqr.h" 635d9e6103SBrian Somers #include "hdlc.h" 645d9e6103SBrian Somers #include "throughput.h" 655d9e6103SBrian Somers #include "fsm.h" 665d9e6103SBrian Somers #include "lcp.h" 675d9e6103SBrian Somers #include "ccp.h" 685d9e6103SBrian Somers #include "link.h" 695d9e6103SBrian Somers #include "async.h" 705d9e6103SBrian Somers #include "slcompress.h" 715d9e6103SBrian Somers #include "iplist.h" 725d9e6103SBrian Somers #include "ipcp.h" 735d9e6103SBrian Somers #include "filter.h" 745d9e6103SBrian Somers #include "descriptor.h" 755d9e6103SBrian Somers #include "physical.h" 765d9e6103SBrian Somers #include "mp.h" 775d9e6103SBrian Somers #ifndef NORADIUS 785d9e6103SBrian Somers #include "radius.h" 795d9e6103SBrian Somers #endif 805d9e6103SBrian Somers #include "chat.h" 815d9e6103SBrian Somers #include "command.h" 825d9e6103SBrian Somers #include "bundle.h" 835d9e6103SBrian Somers #include "prompt.h" 845d9e6103SBrian Somers #include "auth.h" 855d9e6103SBrian Somers #include "chap.h" 865d9e6103SBrian Somers #include "cbcp.h" 875d9e6103SBrian Somers #include "datalink.h" 885d9e6103SBrian Somers #include "tty.h" 895d9e6103SBrian Somers 906815097bSBrian Somers #define Online(dev) ((dev)->mbits & TIOCM_CD) 916815097bSBrian Somers 926815097bSBrian Somers struct ttydevice { 936815097bSBrian Somers struct device dev; /* What struct physical knows about */ 946815097bSBrian Somers struct pppTimer Timer; /* CD checks */ 956815097bSBrian Somers int mbits; /* Current DCD status */ 966815097bSBrian Somers struct termios ios; /* To be able to reset from raw mode */ 976815097bSBrian Somers }; 986815097bSBrian Somers 996815097bSBrian Somers #define device2tty(d) ((d)->type == TTY_DEVICE ? (struct ttydevice *)d : NULL) 1005d9e6103SBrian Somers 1015d9e6103SBrian Somers /* 1025d9e6103SBrian Somers * tty_Timeout() watches the DCD signal and mentions it if it's status 1035d9e6103SBrian Somers * changes. 1045d9e6103SBrian Somers */ 1055d9e6103SBrian Somers static void 1065d9e6103SBrian Somers tty_Timeout(void *data) 1075d9e6103SBrian Somers { 1085d9e6103SBrian Somers struct physical *p = data; 1096815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 1105d9e6103SBrian Somers int ombits, change; 1115d9e6103SBrian Somers 1126815097bSBrian Somers timer_Stop(&dev->Timer); 1136815097bSBrian Somers dev->Timer.load = SECTICKS; /* Once a second please */ 1146815097bSBrian Somers timer_Start(&dev->Timer); 1156815097bSBrian Somers ombits = dev->mbits; 1165d9e6103SBrian Somers 1175d9e6103SBrian Somers if (p->fd >= 0) { 1186815097bSBrian Somers if (ioctl(p->fd, TIOCMGET, &dev->mbits) < 0) { 1195d9e6103SBrian Somers log_Printf(LogPHASE, "%s: ioctl error (%s)!\n", p->link.name, 1205d9e6103SBrian Somers strerror(errno)); 1215d9e6103SBrian Somers datalink_Down(p->dl, CLOSE_NORMAL); 1226815097bSBrian Somers timer_Stop(&dev->Timer); 1235d9e6103SBrian Somers return; 1245d9e6103SBrian Somers } 1255d9e6103SBrian Somers } else 1266815097bSBrian Somers dev->mbits = 0; 1275d9e6103SBrian Somers 1285d9e6103SBrian Somers if (ombits == -1) { 1295d9e6103SBrian Somers /* First time looking for carrier */ 1306815097bSBrian Somers if (Online(dev)) 1315d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: %s: CD detected\n", p->link.name, p->name.full); 1325d9e6103SBrian Somers else if (p->cfg.cd.required) { 1335d9e6103SBrian Somers log_Printf(LogPHASE, "%s: %s: Required CD not detected\n", 1345d9e6103SBrian Somers p->link.name, p->name.full); 1355d9e6103SBrian Somers datalink_Down(p->dl, CLOSE_NORMAL); 1365d9e6103SBrian Somers } else { 1375d9e6103SBrian Somers log_Printf(LogPHASE, "%s: %s doesn't support CD\n", 1385d9e6103SBrian Somers p->link.name, p->name.full); 1396815097bSBrian Somers timer_Stop(&dev->Timer); 1406815097bSBrian Somers dev->mbits = TIOCM_CD; 1415d9e6103SBrian Somers } 1425d9e6103SBrian Somers } else { 1436815097bSBrian Somers change = ombits ^ dev->mbits; 1445d9e6103SBrian Somers if (change & TIOCM_CD) { 1456815097bSBrian Somers if (dev->mbits & TIOCM_CD) 1465d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: offline -> online\n", p->link.name); 1475d9e6103SBrian Somers else { 1485d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: online -> offline\n", p->link.name); 1495d9e6103SBrian Somers log_Printf(LogPHASE, "%s: Carrier lost\n", p->link.name); 1505d9e6103SBrian Somers datalink_Down(p->dl, CLOSE_NORMAL); 1516815097bSBrian Somers timer_Stop(&dev->Timer); 1525d9e6103SBrian Somers } 1535d9e6103SBrian Somers } else 1545d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: Still %sline\n", p->link.name, 1556815097bSBrian Somers Online(dev) ? "on" : "off"); 1565d9e6103SBrian Somers } 1575d9e6103SBrian Somers } 1585d9e6103SBrian Somers 1595d9e6103SBrian Somers static void 1605d9e6103SBrian Somers tty_StartTimer(struct physical *p) 1615d9e6103SBrian Somers { 1626815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 1636815097bSBrian Somers 1646815097bSBrian Somers timer_Stop(&dev->Timer); 1656815097bSBrian Somers dev->Timer.load = SECTICKS * p->cfg.cd.delay; 1666815097bSBrian Somers dev->Timer.func = tty_Timeout; 1676815097bSBrian Somers dev->Timer.name = "tty CD"; 1686815097bSBrian Somers dev->Timer.arg = p; 1695d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: Using tty_Timeout [%p]\n", 1705d9e6103SBrian Somers p->link.name, tty_Timeout); 1716815097bSBrian Somers dev->mbits = -1; /* So we know it's the first time */ 1726815097bSBrian Somers timer_Start(&dev->Timer); 1735d9e6103SBrian Somers } 1745d9e6103SBrian Somers 1755d9e6103SBrian Somers static int 1765d9e6103SBrian Somers tty_Raw(struct physical *p) 1775d9e6103SBrian Somers { 1786815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 1798dbb1e2bSBrian Somers struct termios ios; 1805d9e6103SBrian Somers int oldflag; 1815d9e6103SBrian Somers 1825d9e6103SBrian Somers if (physical_IsSync(p)) 1835d9e6103SBrian Somers return 1; 1845d9e6103SBrian Somers 1855d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: Entering physical_Raw\n", p->link.name); 1865d9e6103SBrian Somers 1876815097bSBrian Somers if (p->type != PHYS_DIRECT && p->fd >= 0 && !Online(dev)) 1885d9e6103SBrian Somers log_Printf(LogDEBUG, "%s: Raw: descriptor = %d, mbits = %x\n", 1896815097bSBrian Somers p->link.name, p->fd, dev->mbits); 1905d9e6103SBrian Somers 1918dbb1e2bSBrian Somers tcgetattr(p->fd, &ios); 1928dbb1e2bSBrian Somers cfmakeraw(&ios); 1935d9e6103SBrian Somers if (p->cfg.rts_cts) 1948dbb1e2bSBrian Somers ios.c_cflag |= CLOCAL | CCTS_OFLOW | CRTS_IFLOW; 1955d9e6103SBrian Somers else 1968dbb1e2bSBrian Somers ios.c_cflag |= CLOCAL; 1975d9e6103SBrian Somers 1985d9e6103SBrian Somers if (p->type != PHYS_DEDICATED) 1998dbb1e2bSBrian Somers ios.c_cflag |= HUPCL; 2005d9e6103SBrian Somers 2018dbb1e2bSBrian Somers tcsetattr(p->fd, TCSANOW, &ios); 2025d9e6103SBrian Somers 2035d9e6103SBrian Somers oldflag = fcntl(p->fd, F_GETFL, 0); 2045d9e6103SBrian Somers if (oldflag < 0) 2055d9e6103SBrian Somers return 0; 2065d9e6103SBrian Somers fcntl(p->fd, F_SETFL, oldflag | O_NONBLOCK); 2075d9e6103SBrian Somers 2086815097bSBrian Somers if (ioctl(p->fd, TIOCMGET, &dev->mbits) == 0) 2095d9e6103SBrian Somers tty_StartTimer(p); 2105d9e6103SBrian Somers 2115d9e6103SBrian Somers return 1; 2125d9e6103SBrian Somers } 2135d9e6103SBrian Somers 2145d9e6103SBrian Somers static void 2155d9e6103SBrian Somers tty_Offline(struct physical *p) 2165d9e6103SBrian Somers { 2176815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 2186815097bSBrian Somers 2195d9e6103SBrian Somers if (p->fd >= 0) { 2206815097bSBrian Somers timer_Stop(&dev->Timer); 2216815097bSBrian Somers dev->mbits &= ~TIOCM_DTR; 2226815097bSBrian Somers if (Online(dev)) { 2235d9e6103SBrian Somers struct termios tio; 2245d9e6103SBrian Somers 2255d9e6103SBrian Somers tcgetattr(p->fd, &tio); 2265d9e6103SBrian Somers if (cfsetspeed(&tio, B0) == -1) 2275d9e6103SBrian Somers log_Printf(LogWARN, "%s: Unable to set physical to speed 0\n", 2285d9e6103SBrian Somers p->link.name); 2295d9e6103SBrian Somers else 2305d9e6103SBrian Somers tcsetattr(p->fd, TCSANOW, &tio); 2315d9e6103SBrian Somers } 2325d9e6103SBrian Somers } 2335d9e6103SBrian Somers } 2345d9e6103SBrian Somers 2355d9e6103SBrian Somers static void 2365d9e6103SBrian Somers tty_Cooked(struct physical *p) 2375d9e6103SBrian Somers { 2386815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 2395d9e6103SBrian Somers int oldflag; 2405d9e6103SBrian Somers 241d0b3b745SBrian Somers tty_Offline(p); /* In case of emergency close()s */ 242d0b3b745SBrian Somers 2435d9e6103SBrian Somers tcflush(p->fd, TCIOFLUSH); 2445d9e6103SBrian Somers if (!physical_IsSync(p)) { 2456815097bSBrian Somers tcsetattr(p->fd, TCSAFLUSH, &dev->ios); 2465d9e6103SBrian Somers oldflag = fcntl(p->fd, F_GETFL, 0); 2475d9e6103SBrian Somers if (oldflag == 0) 2485d9e6103SBrian Somers fcntl(p->fd, F_SETFL, oldflag & ~O_NONBLOCK); 2495d9e6103SBrian Somers } 2505d9e6103SBrian Somers } 2515d9e6103SBrian Somers 2525d9e6103SBrian Somers static void 2536815097bSBrian Somers tty_StopTimer(struct physical *p) 2545d9e6103SBrian Somers { 2556815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 2566815097bSBrian Somers 2576815097bSBrian Somers timer_Stop(&dev->Timer); 2585d9e6103SBrian Somers } 2595d9e6103SBrian Somers 2605d9e6103SBrian Somers static void 2616815097bSBrian Somers tty_Free(struct physical *p) 2625d9e6103SBrian Somers { 2636815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 2646815097bSBrian Somers 265d0b3b745SBrian Somers tty_Offline(p); /* In case of emergency close()s */ 2666815097bSBrian Somers free(dev); 2675d9e6103SBrian Somers } 2685d9e6103SBrian Somers 2695d9e6103SBrian Somers static int 2705d9e6103SBrian Somers tty_Speed(struct physical *p) 2715d9e6103SBrian Somers { 2728dbb1e2bSBrian Somers struct termios ios; 2735d9e6103SBrian Somers 2748dbb1e2bSBrian Somers if (tcgetattr(p->fd, &ios) == -1) 2755d9e6103SBrian Somers return 0; 2765d9e6103SBrian Somers 2778dbb1e2bSBrian Somers return SpeedToInt(cfgetispeed(&ios)); 2785d9e6103SBrian Somers } 2795d9e6103SBrian Somers 2805d9e6103SBrian Somers static const char * 2815d9e6103SBrian Somers tty_OpenInfo(struct physical *p) 2825d9e6103SBrian Somers { 2836815097bSBrian Somers struct ttydevice *dev = device2tty(p->handler); 2845d9e6103SBrian Somers static char buf[13]; 2855d9e6103SBrian Somers 2866815097bSBrian Somers if (Online(dev)) 2875d9e6103SBrian Somers strcpy(buf, "with"); 2885d9e6103SBrian Somers else 2895d9e6103SBrian Somers strcpy(buf, "no"); 2905d9e6103SBrian Somers strcat(buf, " carrier"); 2915d9e6103SBrian Somers return buf; 2925d9e6103SBrian Somers } 2935d9e6103SBrian Somers 2946815097bSBrian Somers static void 2956815097bSBrian Somers tty_device2iov(struct physical *p, struct iovec *iov, int *niov, 2966815097bSBrian Somers int maxiov, pid_t newpid) 2976815097bSBrian Somers { 2986815097bSBrian Somers struct ttydevice *dev = p ? device2tty(p->handler) : NULL; 2996815097bSBrian Somers 3006815097bSBrian Somers iov[*niov].iov_base = p ? p->handler : malloc(sizeof(struct ttydevice)); 3016815097bSBrian Somers iov[*niov].iov_len = sizeof(struct ttydevice); 3026815097bSBrian Somers (*niov)++; 3036815097bSBrian Somers 3046815097bSBrian Somers if (dev->Timer.state != TIMER_STOPPED) { 3056815097bSBrian Somers timer_Stop(&dev->Timer); 3066815097bSBrian Somers dev->Timer.state = TIMER_RUNNING; 3076815097bSBrian Somers } 3086815097bSBrian Somers } 3096815097bSBrian Somers 3106815097bSBrian Somers static struct device basettydevice = { 3115d9e6103SBrian Somers TTY_DEVICE, 3125d9e6103SBrian Somers "tty", 3135d9e6103SBrian Somers tty_Raw, 3145d9e6103SBrian Somers tty_Offline, 3155d9e6103SBrian Somers tty_Cooked, 3166815097bSBrian Somers tty_StopTimer, 3176815097bSBrian Somers tty_Free, 3186815097bSBrian Somers NULL, 3196815097bSBrian Somers NULL, 3206815097bSBrian Somers tty_device2iov, 3215d9e6103SBrian Somers tty_Speed, 3225d9e6103SBrian Somers tty_OpenInfo 3235d9e6103SBrian Somers }; 3246815097bSBrian Somers 3259950fb2aSBrian Somers struct device * 3269950fb2aSBrian Somers tty_iov2device(int type, struct physical *p, struct iovec *iov, int *niov, 3279950fb2aSBrian Somers int maxiov) 3289950fb2aSBrian Somers { 3299950fb2aSBrian Somers if (type == TTY_DEVICE) { 330acbd1f00SBrian Somers struct ttydevice *dev = (struct ttydevice *)iov[(*niov)++].iov_base; 3319950fb2aSBrian Somers 3329950fb2aSBrian Somers /* Refresh function pointers etc */ 3339950fb2aSBrian Somers memcpy(&dev->dev, &basettydevice, sizeof dev->dev); 3349950fb2aSBrian Somers 335acbd1f00SBrian Somers physical_SetupStack(p, dev->dev.name, PHYSICAL_NOFORCE); 3369950fb2aSBrian Somers if (dev->Timer.state != TIMER_STOPPED) { 3379950fb2aSBrian Somers dev->Timer.state = TIMER_STOPPED; 3389950fb2aSBrian Somers tty_StartTimer(p); 3399950fb2aSBrian Somers } 3409950fb2aSBrian Somers return &dev->dev; 3419950fb2aSBrian Somers } 3429950fb2aSBrian Somers 3439950fb2aSBrian Somers return NULL; 3449950fb2aSBrian Somers } 3459950fb2aSBrian Somers 3469950fb2aSBrian Somers struct device * 3479950fb2aSBrian Somers tty_Create(struct physical *p) 34827be3ac6SBrian Somers { 34927be3ac6SBrian Somers struct ttydevice *dev; 35027be3ac6SBrian Somers struct termios ios; 35127be3ac6SBrian Somers int oldflag; 35227be3ac6SBrian Somers 3539950fb2aSBrian Somers if (p->fd < 0 || !isatty(p->fd)) 3549950fb2aSBrian Somers /* Don't want this */ 35527be3ac6SBrian Somers return NULL; 35627be3ac6SBrian Somers 3579950fb2aSBrian Somers if (*p->name.full == '\0') { 3589950fb2aSBrian Somers physical_SetDevice(p, ttyname(p->fd)); 3599950fb2aSBrian Somers log_Printf(LogDEBUG, "%s: Input is a tty (%s)\n", 3609950fb2aSBrian Somers p->link.name, p->name.full); 3619950fb2aSBrian Somers } else 3629950fb2aSBrian Somers log_Printf(LogDEBUG, "%s: Opened %s\n", p->link.name, p->name.full); 3639950fb2aSBrian Somers 3649950fb2aSBrian Somers /* We're gonna return a ttydevice (unless something goes horribly wrong) */ 3659950fb2aSBrian Somers 3669950fb2aSBrian Somers if ((dev = malloc(sizeof *dev)) == NULL) { 3679950fb2aSBrian Somers /* Complete failure - parent doesn't continue trying to ``create'' */ 3689950fb2aSBrian Somers close(p->fd); 3699950fb2aSBrian Somers p->fd = -1; 3709950fb2aSBrian Somers return NULL; 3719950fb2aSBrian Somers } 3729950fb2aSBrian Somers 37327be3ac6SBrian Somers memcpy(&dev->dev, &basettydevice, sizeof dev->dev); 3744b698945SBrian Somers memset(&dev->Timer, '\0', sizeof dev->Timer); 37527be3ac6SBrian Somers tcgetattr(p->fd, &ios); 37627be3ac6SBrian Somers dev->ios = ios; 37727be3ac6SBrian Somers 3789950fb2aSBrian Somers log_Printf(LogDEBUG, "%s: tty_Create: physical (get): fd = %d," 37927be3ac6SBrian Somers " iflag = %lx, oflag = %lx, cflag = %lx\n", p->link.name, p->fd, 38027be3ac6SBrian Somers (u_long)ios.c_iflag, (u_long)ios.c_oflag, (u_long)ios.c_cflag); 38127be3ac6SBrian Somers 38227be3ac6SBrian Somers cfmakeraw(&ios); 38327be3ac6SBrian Somers if (p->cfg.rts_cts) 38427be3ac6SBrian Somers ios.c_cflag |= CLOCAL | CCTS_OFLOW | CRTS_IFLOW; 38527be3ac6SBrian Somers else { 38627be3ac6SBrian Somers ios.c_cflag |= CLOCAL; 38727be3ac6SBrian Somers ios.c_iflag |= IXOFF; 38827be3ac6SBrian Somers } 38927be3ac6SBrian Somers ios.c_iflag |= IXON; 39027be3ac6SBrian Somers if (p->type != PHYS_DEDICATED) 39127be3ac6SBrian Somers ios.c_cflag |= HUPCL; 39227be3ac6SBrian Somers 39327be3ac6SBrian Somers if (p->type != PHYS_DIRECT) { 39427be3ac6SBrian Somers /* Change tty speed when we're not in -direct mode */ 39527be3ac6SBrian Somers ios.c_cflag &= ~(CSIZE | PARODD | PARENB); 39627be3ac6SBrian Somers ios.c_cflag |= p->cfg.parity; 39727be3ac6SBrian Somers if (cfsetspeed(&ios, IntToSpeed(p->cfg.speed)) == -1) 39827be3ac6SBrian Somers log_Printf(LogWARN, "%s: %s: Unable to set speed to %d\n", 39927be3ac6SBrian Somers p->link.name, p->name.full, p->cfg.speed); 40027be3ac6SBrian Somers } 40127be3ac6SBrian Somers tcsetattr(p->fd, TCSADRAIN, &ios); 40227be3ac6SBrian Somers log_Printf(LogDEBUG, "%s: physical (put): iflag = %lx, oflag = %lx, " 40327be3ac6SBrian Somers "cflag = %lx\n", p->link.name, (u_long)ios.c_iflag, 40427be3ac6SBrian Somers (u_long)ios.c_oflag, (u_long)ios.c_cflag); 40527be3ac6SBrian Somers 40627be3ac6SBrian Somers if (ioctl(p->fd, TIOCMGET, &dev->mbits) == -1) { 40727be3ac6SBrian Somers if (p->type != PHYS_DIRECT) { 4089950fb2aSBrian Somers /* Complete failure - parent doesn't continue trying to ``create'' */ 4099950fb2aSBrian Somers 41027be3ac6SBrian Somers log_Printf(LogWARN, "%s: Open: Cannot get physical status: %s\n", 41127be3ac6SBrian Somers p->link.name, strerror(errno)); 4129950fb2aSBrian Somers tty_Cooked(p); 4139950fb2aSBrian Somers close(p->fd); 4149950fb2aSBrian Somers p->fd = -1; 41527be3ac6SBrian Somers return NULL; 41627be3ac6SBrian Somers } else 41727be3ac6SBrian Somers dev->mbits = TIOCM_CD; 41827be3ac6SBrian Somers } 41927be3ac6SBrian Somers log_Printf(LogDEBUG, "%s: Open: physical control = %o\n", 42027be3ac6SBrian Somers p->link.name, dev->mbits); 42127be3ac6SBrian Somers 42227be3ac6SBrian Somers oldflag = fcntl(p->fd, F_GETFL, 0); 42327be3ac6SBrian Somers if (oldflag < 0) { 4249950fb2aSBrian Somers /* Complete failure - parent doesn't continue trying to ``create'' */ 4259950fb2aSBrian Somers 42627be3ac6SBrian Somers log_Printf(LogWARN, "%s: Open: Cannot get physical flags: %s\n", 42727be3ac6SBrian Somers p->link.name, strerror(errno)); 4289950fb2aSBrian Somers tty_Cooked(p); 4299950fb2aSBrian Somers close(p->fd); 4309950fb2aSBrian Somers p->fd = -1; 43127be3ac6SBrian Somers return NULL; 43227be3ac6SBrian Somers } else 43327be3ac6SBrian Somers fcntl(p->fd, F_SETFL, oldflag & ~O_NONBLOCK); 43427be3ac6SBrian Somers 435acbd1f00SBrian Somers physical_SetupStack(p, dev->dev.name, PHYSICAL_NOFORCE); 43627be3ac6SBrian Somers 43727be3ac6SBrian Somers return &dev->dev; 43827be3ac6SBrian Somers } 439