1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 35*7c478bd9Sstevel@tonic-gate #include <stdio.h> 36*7c478bd9Sstevel@tonic-gate #include <errno.h> 37*7c478bd9Sstevel@tonic-gate #include <termio.h> 38*7c478bd9Sstevel@tonic-gate #include <sys/stermio.h> 39*7c478bd9Sstevel@tonic-gate #include <sys/termiox.h> 40*7c478bd9Sstevel@tonic-gate #include <string.h> 41*7c478bd9Sstevel@tonic-gate #include <ctype.h> 42*7c478bd9Sstevel@tonic-gate #include <unistd.h> 43*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 44*7c478bd9Sstevel@tonic-gate #include "sys/stropts.h" 45*7c478bd9Sstevel@tonic-gate #include "sys/signal.h" 46*7c478bd9Sstevel@tonic-gate #include "ttymon.h" 47*7c478bd9Sstevel@tonic-gate #include "tmstruct.h" 48*7c478bd9Sstevel@tonic-gate #include "tmextern.h" 49*7c478bd9Sstevel@tonic-gate 50*7c478bd9Sstevel@tonic-gate extern void mkargv(); 51*7c478bd9Sstevel@tonic-gate 52*7c478bd9Sstevel@tonic-gate /* 53*7c478bd9Sstevel@tonic-gate * set_termio - set termio on device 54*7c478bd9Sstevel@tonic-gate * fd - fd for the device 55*7c478bd9Sstevel@tonic-gate * options - stty termio options 56*7c478bd9Sstevel@tonic-gate * aspeed - autobaud speed 57*7c478bd9Sstevel@tonic-gate * clear - if TRUE, current flags will be set to some defaults 58*7c478bd9Sstevel@tonic-gate * before applying the options 59*7c478bd9Sstevel@tonic-gate * - if FALSE, current flags will not be cleared 60*7c478bd9Sstevel@tonic-gate * mode - terminal mode, CANON, RAW 61*7c478bd9Sstevel@tonic-gate */ 62*7c478bd9Sstevel@tonic-gate 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate int 66*7c478bd9Sstevel@tonic-gate set_termio(fd,options,aspeed,clear,mode) 67*7c478bd9Sstevel@tonic-gate int fd; 68*7c478bd9Sstevel@tonic-gate char *options; 69*7c478bd9Sstevel@tonic-gate char *aspeed; 70*7c478bd9Sstevel@tonic-gate int clear; 71*7c478bd9Sstevel@tonic-gate long mode; 72*7c478bd9Sstevel@tonic-gate { 73*7c478bd9Sstevel@tonic-gate struct termio termio; 74*7c478bd9Sstevel@tonic-gate struct termios termios; 75*7c478bd9Sstevel@tonic-gate struct stio stermio; 76*7c478bd9Sstevel@tonic-gate struct termiox termiox; 77*7c478bd9Sstevel@tonic-gate struct winsize winsize; 78*7c478bd9Sstevel@tonic-gate struct winsize owinsize; 79*7c478bd9Sstevel@tonic-gate int term; 80*7c478bd9Sstevel@tonic-gate int cnt = 1; 81*7c478bd9Sstevel@tonic-gate char *uarg; 82*7c478bd9Sstevel@tonic-gate char *argvp[MAXARGS]; /* stty args */ 83*7c478bd9Sstevel@tonic-gate static char *binstty = "/usr/bin/stty"; 84*7c478bd9Sstevel@tonic-gate static char buf[BUFSIZ]; 85*7c478bd9Sstevel@tonic-gate extern int get_ttymode(), set_ttymode(); 86*7c478bd9Sstevel@tonic-gate extern char *sttyparse(); 87*7c478bd9Sstevel@tonic-gate 88*7c478bd9Sstevel@tonic-gate #ifdef DEBUG 89*7c478bd9Sstevel@tonic-gate debug("in set_termio"); 90*7c478bd9Sstevel@tonic-gate #endif 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate if ((term = get_ttymode(fd, &termio, &termios, &stermio, 93*7c478bd9Sstevel@tonic-gate &termiox, &winsize)) < 0) { 94*7c478bd9Sstevel@tonic-gate log("set_termio: get_ttymode failed: %s", strerror(errno)); 95*7c478bd9Sstevel@tonic-gate return(-1); 96*7c478bd9Sstevel@tonic-gate } 97*7c478bd9Sstevel@tonic-gate owinsize = winsize; 98*7c478bd9Sstevel@tonic-gate if (clear) { 99*7c478bd9Sstevel@tonic-gate if (mode & CANON) { 100*7c478bd9Sstevel@tonic-gate /* could have removed these too - rely on defaults */ 101*7c478bd9Sstevel@tonic-gate termios.c_cc[VEOF] = CEOF; 102*7c478bd9Sstevel@tonic-gate termios.c_cc[VEOL] = CNUL; 103*7c478bd9Sstevel@tonic-gate } 104*7c478bd9Sstevel@tonic-gate else { 105*7c478bd9Sstevel@tonic-gate termios.c_lflag &= ECHO; 106*7c478bd9Sstevel@tonic-gate termios.c_cc[VMIN] = 1; 107*7c478bd9Sstevel@tonic-gate termios.c_cc[VTIME] = 0; 108*7c478bd9Sstevel@tonic-gate } 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate } 111*7c478bd9Sstevel@tonic-gate 112*7c478bd9Sstevel@tonic-gate if (options != NULL && *options != '\0') { 113*7c478bd9Sstevel@tonic-gate /* just a place holder to make it look like invoking stty */ 114*7c478bd9Sstevel@tonic-gate argvp[0] = binstty; 115*7c478bd9Sstevel@tonic-gate (void)strcpy(buf,options); 116*7c478bd9Sstevel@tonic-gate mkargv(buf,&argvp[1],&cnt,MAXARGS-1); 117*7c478bd9Sstevel@tonic-gate if (aspeed != NULL && *aspeed != '\0') { 118*7c478bd9Sstevel@tonic-gate argvp[cnt++] = aspeed; 119*7c478bd9Sstevel@tonic-gate } 120*7c478bd9Sstevel@tonic-gate argvp[cnt] = (char *)0; 121*7c478bd9Sstevel@tonic-gate if ((uarg = sttyparse(cnt, argvp, term, &termio, &termios, 122*7c478bd9Sstevel@tonic-gate &termiox, &winsize)) != NULL) { 123*7c478bd9Sstevel@tonic-gate log("sttyparse unknown mode: %s", uarg); 124*7c478bd9Sstevel@tonic-gate return(-1); 125*7c478bd9Sstevel@tonic-gate } 126*7c478bd9Sstevel@tonic-gate } 127*7c478bd9Sstevel@tonic-gate 128*7c478bd9Sstevel@tonic-gate 129*7c478bd9Sstevel@tonic-gate if (set_ttymode(fd, term, &termio, &termios, &stermio, 130*7c478bd9Sstevel@tonic-gate &termiox, &winsize, &owinsize) != 0) { 131*7c478bd9Sstevel@tonic-gate log("set_termio: set_ttymode failed", strerror(errno)); 132*7c478bd9Sstevel@tonic-gate return(-1); 133*7c478bd9Sstevel@tonic-gate } 134*7c478bd9Sstevel@tonic-gate 135*7c478bd9Sstevel@tonic-gate return(0); 136*7c478bd9Sstevel@tonic-gate } 137*7c478bd9Sstevel@tonic-gate 138*7c478bd9Sstevel@tonic-gate #ifdef NOT_USE 139*7c478bd9Sstevel@tonic-gate /* 140*7c478bd9Sstevel@tonic-gate * turnon_canon - turn on canonical processing 141*7c478bd9Sstevel@tonic-gate * - return 0 if succeeds, -1 if fails 142*7c478bd9Sstevel@tonic-gate */ 143*7c478bd9Sstevel@tonic-gate turnon_canon(fd) 144*7c478bd9Sstevel@tonic-gate int fd; 145*7c478bd9Sstevel@tonic-gate { 146*7c478bd9Sstevel@tonic-gate struct termio termio; 147*7c478bd9Sstevel@tonic-gate 148*7c478bd9Sstevel@tonic-gate #ifdef DEBUG 149*7c478bd9Sstevel@tonic-gate debug("in turnon_canon"); 150*7c478bd9Sstevel@tonic-gate #endif 151*7c478bd9Sstevel@tonic-gate if (ioctl(fd, TCGETA, &termio) != 0) { 152*7c478bd9Sstevel@tonic-gate log("turnon_canon: TCGETA failed, fd = %d: %s", fd, 153*7c478bd9Sstevel@tonic-gate strerror(errno)); 154*7c478bd9Sstevel@tonic-gate return(-1); 155*7c478bd9Sstevel@tonic-gate } 156*7c478bd9Sstevel@tonic-gate termio.c_lflag |= (ISIG|ICANON|ECHO|ECHOE|ECHOK); 157*7c478bd9Sstevel@tonic-gate termio.c_cc[VEOF] = CEOF; 158*7c478bd9Sstevel@tonic-gate termio.c_cc[VEOL] = CNUL; 159*7c478bd9Sstevel@tonic-gate if (ioctl(fd, TCSETA, &termio) != 0) { 160*7c478bd9Sstevel@tonic-gate log("turnon_canon: TCSETA failed, fd = %d: %s", fd, 161*7c478bd9Sstevel@tonic-gate strerror(errno)); 162*7c478bd9Sstevel@tonic-gate return(-1); 163*7c478bd9Sstevel@tonic-gate } 164*7c478bd9Sstevel@tonic-gate return(0); 165*7c478bd9Sstevel@tonic-gate } 166*7c478bd9Sstevel@tonic-gate #endif 167*7c478bd9Sstevel@tonic-gate 168*7c478bd9Sstevel@tonic-gate /* 169*7c478bd9Sstevel@tonic-gate * flush_input - flush the input queue 170*7c478bd9Sstevel@tonic-gate */ 171*7c478bd9Sstevel@tonic-gate void 172*7c478bd9Sstevel@tonic-gate flush_input(fd) 173*7c478bd9Sstevel@tonic-gate int fd; 174*7c478bd9Sstevel@tonic-gate { 175*7c478bd9Sstevel@tonic-gate if (ioctl(fd, I_FLUSH, FLUSHR) == -1) 176*7c478bd9Sstevel@tonic-gate log("flush_input failed, fd = %d: %s", fd, strerror(errno)); 177*7c478bd9Sstevel@tonic-gate 178*7c478bd9Sstevel@tonic-gate if (ioctl(fd, TCSBRK, 1) == -1) 179*7c478bd9Sstevel@tonic-gate log("drain of ouput failed, fd = %d: %s", fd, strerror(errno)); 180*7c478bd9Sstevel@tonic-gate 181*7c478bd9Sstevel@tonic-gate return; 182*7c478bd9Sstevel@tonic-gate } 183*7c478bd9Sstevel@tonic-gate 184*7c478bd9Sstevel@tonic-gate /* 185*7c478bd9Sstevel@tonic-gate * push_linedisc - if modules is not NULL, pop everything 186*7c478bd9Sstevel@tonic-gate * - then push modules specified by "modules" 187*7c478bd9Sstevel@tonic-gate */ 188*7c478bd9Sstevel@tonic-gate int 189*7c478bd9Sstevel@tonic-gate push_linedisc( 190*7c478bd9Sstevel@tonic-gate int fd, /* fd to push modules on */ 191*7c478bd9Sstevel@tonic-gate char *modules, /* ptr to a list of comma separated module names */ 192*7c478bd9Sstevel@tonic-gate char *device) /* device name for printing msg */ 193*7c478bd9Sstevel@tonic-gate { 194*7c478bd9Sstevel@tonic-gate char *p, *tp; 195*7c478bd9Sstevel@tonic-gate char buf[BUFSIZ]; 196*7c478bd9Sstevel@tonic-gate 197*7c478bd9Sstevel@tonic-gate #ifdef DEBUG 198*7c478bd9Sstevel@tonic-gate debug("in push_linedisc"); 199*7c478bd9Sstevel@tonic-gate #endif 200*7c478bd9Sstevel@tonic-gate /* 201*7c478bd9Sstevel@tonic-gate * copy modules into buf so we won't mess up the original buffer 202*7c478bd9Sstevel@tonic-gate * because strtok will chop the string 203*7c478bd9Sstevel@tonic-gate */ 204*7c478bd9Sstevel@tonic-gate p = strcpy(buf,modules); 205*7c478bd9Sstevel@tonic-gate 206*7c478bd9Sstevel@tonic-gate while(ioctl(fd, I_POP, 0) >= 0) /* pop everything */ 207*7c478bd9Sstevel@tonic-gate ; 208*7c478bd9Sstevel@tonic-gate for (p=(char *)strtok(p,","); p!=(char *)NULL; 209*7c478bd9Sstevel@tonic-gate p=(char *)strtok(NULL,",")) { 210*7c478bd9Sstevel@tonic-gate for (tp = p + strlen(p) - 1; tp >= p && isspace(*tp); --tp) 211*7c478bd9Sstevel@tonic-gate *tp = '\0'; 212*7c478bd9Sstevel@tonic-gate if (ioctl(fd, I_PUSH, p) == -1) { 213*7c478bd9Sstevel@tonic-gate log("push (%s) on %s failed: %s", p, device, 214*7c478bd9Sstevel@tonic-gate strerror(errno)); 215*7c478bd9Sstevel@tonic-gate return(-1); 216*7c478bd9Sstevel@tonic-gate } 217*7c478bd9Sstevel@tonic-gate } 218*7c478bd9Sstevel@tonic-gate return(0); 219*7c478bd9Sstevel@tonic-gate } 220*7c478bd9Sstevel@tonic-gate 221*7c478bd9Sstevel@tonic-gate /* 222*7c478bd9Sstevel@tonic-gate * hang_up_line - set speed to B0. This will drop DTR 223*7c478bd9Sstevel@tonic-gate */ 224*7c478bd9Sstevel@tonic-gate int 225*7c478bd9Sstevel@tonic-gate hang_up_line(int fd) 226*7c478bd9Sstevel@tonic-gate { 227*7c478bd9Sstevel@tonic-gate struct termio termio; 228*7c478bd9Sstevel@tonic-gate struct termios termios; 229*7c478bd9Sstevel@tonic-gate 230*7c478bd9Sstevel@tonic-gate #ifdef DEBUG 231*7c478bd9Sstevel@tonic-gate debug("in hang_up_line"); 232*7c478bd9Sstevel@tonic-gate #endif 233*7c478bd9Sstevel@tonic-gate if (ioctl(fd,TCGETS,&termios) < 0) { 234*7c478bd9Sstevel@tonic-gate if (ioctl(fd,TCGETA,&termio) < 0) { 235*7c478bd9Sstevel@tonic-gate log("hang_up_line: TCGETA failed: %s", strerror(errno)); 236*7c478bd9Sstevel@tonic-gate return(-1); 237*7c478bd9Sstevel@tonic-gate } 238*7c478bd9Sstevel@tonic-gate termio.c_cflag &= ~CBAUD; 239*7c478bd9Sstevel@tonic-gate termio.c_cflag |= B0; 240*7c478bd9Sstevel@tonic-gate 241*7c478bd9Sstevel@tonic-gate if (ioctl(fd,TCSETA,&termio) < 0) { 242*7c478bd9Sstevel@tonic-gate log("hang_up_line: TCSETA failed: %s", strerror(errno)); 243*7c478bd9Sstevel@tonic-gate return(-1); 244*7c478bd9Sstevel@tonic-gate } 245*7c478bd9Sstevel@tonic-gate } else { 246*7c478bd9Sstevel@tonic-gate cfsetospeed(&termios, B0); 247*7c478bd9Sstevel@tonic-gate 248*7c478bd9Sstevel@tonic-gate if (ioctl(fd,TCSETS,&termios) < 0) { 249*7c478bd9Sstevel@tonic-gate log("hang_up_line: TCSETS failed: %s", strerror(errno)); 250*7c478bd9Sstevel@tonic-gate return(-1); 251*7c478bd9Sstevel@tonic-gate } 252*7c478bd9Sstevel@tonic-gate } 253*7c478bd9Sstevel@tonic-gate return(0); 254*7c478bd9Sstevel@tonic-gate } 255*7c478bd9Sstevel@tonic-gate 256*7c478bd9Sstevel@tonic-gate /* 257*7c478bd9Sstevel@tonic-gate * initial_termio - set initial termios 258*7c478bd9Sstevel@tonic-gate * - return 0 if successful, -1 if failed. 259*7c478bd9Sstevel@tonic-gate */ 260*7c478bd9Sstevel@tonic-gate int 261*7c478bd9Sstevel@tonic-gate initial_termio(fd,pmptr) 262*7c478bd9Sstevel@tonic-gate int fd; 263*7c478bd9Sstevel@tonic-gate struct pmtab *pmptr; 264*7c478bd9Sstevel@tonic-gate { 265*7c478bd9Sstevel@tonic-gate int ret; 266*7c478bd9Sstevel@tonic-gate struct Gdef *speedef; 267*7c478bd9Sstevel@tonic-gate struct Gdef *get_speed(); 268*7c478bd9Sstevel@tonic-gate extern int auto_termio(); 269*7c478bd9Sstevel@tonic-gate 270*7c478bd9Sstevel@tonic-gate speedef = get_speed(pmptr->p_ttylabel); 271*7c478bd9Sstevel@tonic-gate if (speedef->g_autobaud & A_FLAG) { 272*7c478bd9Sstevel@tonic-gate pmptr->p_ttyflags |= A_FLAG; 273*7c478bd9Sstevel@tonic-gate if (auto_termio(fd) == -1) { 274*7c478bd9Sstevel@tonic-gate (void)close(fd); 275*7c478bd9Sstevel@tonic-gate return(-1); 276*7c478bd9Sstevel@tonic-gate } 277*7c478bd9Sstevel@tonic-gate } 278*7c478bd9Sstevel@tonic-gate else { 279*7c478bd9Sstevel@tonic-gate if (pmptr->p_ttyflags & R_FLAG) 280*7c478bd9Sstevel@tonic-gate ret = set_termio(fd,speedef->g_iflags, 281*7c478bd9Sstevel@tonic-gate (char *)NULL, TRUE, (long)RAW); 282*7c478bd9Sstevel@tonic-gate else 283*7c478bd9Sstevel@tonic-gate ret = set_termio(fd,speedef->g_iflags, 284*7c478bd9Sstevel@tonic-gate (char *)NULL, TRUE, (long)CANON); 285*7c478bd9Sstevel@tonic-gate if (ret == -1) { 286*7c478bd9Sstevel@tonic-gate log("initial termio on (%s) failed", pmptr->p_device); 287*7c478bd9Sstevel@tonic-gate (void)close(fd); 288*7c478bd9Sstevel@tonic-gate return(-1); 289*7c478bd9Sstevel@tonic-gate } 290*7c478bd9Sstevel@tonic-gate } 291*7c478bd9Sstevel@tonic-gate return(0); 292*7c478bd9Sstevel@tonic-gate } 293