1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 4*7c478bd9Sstevel@tonic-gate */ 5*7c478bd9Sstevel@tonic-gate /* 6*7c478bd9Sstevel@tonic-gate * Copyright (c) 1983 Regents of the University of California. 7*7c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement 8*7c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 9*7c478bd9Sstevel@tonic-gate */ 10*7c478bd9Sstevel@tonic-gate #ident "%Z%%M% %I% %E% SMI" /* from UCB 4.14 6/25/83 */ 11*7c478bd9Sstevel@tonic-gate 12*7c478bd9Sstevel@tonic-gate /* 13*7c478bd9Sstevel@tonic-gate * Routines for dialing up on DN-11 14*7c478bd9Sstevel@tonic-gate */ 15*7c478bd9Sstevel@tonic-gate #include "tip.h" 16*7c478bd9Sstevel@tonic-gate 17*7c478bd9Sstevel@tonic-gate int dn_abort(); 18*7c478bd9Sstevel@tonic-gate void alarmtr(); 19*7c478bd9Sstevel@tonic-gate static sigjmp_buf jmpbuf; 20*7c478bd9Sstevel@tonic-gate static int child = -1, dn; 21*7c478bd9Sstevel@tonic-gate 22*7c478bd9Sstevel@tonic-gate dn_dialer(num, acu) 23*7c478bd9Sstevel@tonic-gate char *num, *acu; 24*7c478bd9Sstevel@tonic-gate { 25*7c478bd9Sstevel@tonic-gate extern errno; 26*7c478bd9Sstevel@tonic-gate char *p, *q, phone[40]; 27*7c478bd9Sstevel@tonic-gate int lt, nw, connected = 1; 28*7c478bd9Sstevel@tonic-gate register int timelim; 29*7c478bd9Sstevel@tonic-gate struct termios buf; 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate if (boolean(value(VERBOSE))) 32*7c478bd9Sstevel@tonic-gate printf("\nstarting call..."); 33*7c478bd9Sstevel@tonic-gate if ((dn = open(acu, 1)) < 0) { 34*7c478bd9Sstevel@tonic-gate if (errno == EBUSY) 35*7c478bd9Sstevel@tonic-gate printf("line busy..."); 36*7c478bd9Sstevel@tonic-gate else 37*7c478bd9Sstevel@tonic-gate printf("acu open error..."); 38*7c478bd9Sstevel@tonic-gate return (0); 39*7c478bd9Sstevel@tonic-gate } 40*7c478bd9Sstevel@tonic-gate if (sigsetjmp(jmpbuf, 1)) { 41*7c478bd9Sstevel@tonic-gate kill(child, SIGKILL); 42*7c478bd9Sstevel@tonic-gate close(dn); 43*7c478bd9Sstevel@tonic-gate return (0); 44*7c478bd9Sstevel@tonic-gate } 45*7c478bd9Sstevel@tonic-gate signal(SIGALRM, alarmtr); 46*7c478bd9Sstevel@tonic-gate timelim = 5 * strlen(num); 47*7c478bd9Sstevel@tonic-gate alarm(timelim < 30 ? 30 : timelim); 48*7c478bd9Sstevel@tonic-gate if ((child = fork()) == 0) { 49*7c478bd9Sstevel@tonic-gate /* 50*7c478bd9Sstevel@tonic-gate * ignore this stuff for aborts 51*7c478bd9Sstevel@tonic-gate */ 52*7c478bd9Sstevel@tonic-gate signal(SIGALRM, SIG_IGN); 53*7c478bd9Sstevel@tonic-gate signal(SIGINT, SIG_IGN); 54*7c478bd9Sstevel@tonic-gate signal(SIGQUIT, SIG_IGN); 55*7c478bd9Sstevel@tonic-gate sleep(2); 56*7c478bd9Sstevel@tonic-gate nw = write(dn, num, lt = strlen(num)); 57*7c478bd9Sstevel@tonic-gate exit(nw != lt); 58*7c478bd9Sstevel@tonic-gate } 59*7c478bd9Sstevel@tonic-gate /* 60*7c478bd9Sstevel@tonic-gate * open line - will return on carrier 61*7c478bd9Sstevel@tonic-gate */ 62*7c478bd9Sstevel@tonic-gate if ((FD = open(DV, 2)) < 0) { 63*7c478bd9Sstevel@tonic-gate if (errno == EIO) 64*7c478bd9Sstevel@tonic-gate printf("lost carrier..."); 65*7c478bd9Sstevel@tonic-gate else 66*7c478bd9Sstevel@tonic-gate printf("dialup line open failed..."); 67*7c478bd9Sstevel@tonic-gate alarm(0); 68*7c478bd9Sstevel@tonic-gate kill(child, SIGKILL); 69*7c478bd9Sstevel@tonic-gate close(dn); 70*7c478bd9Sstevel@tonic-gate return (0); 71*7c478bd9Sstevel@tonic-gate } 72*7c478bd9Sstevel@tonic-gate alarm(0); 73*7c478bd9Sstevel@tonic-gate ioctl(dn, TCGETS, &buf); 74*7c478bd9Sstevel@tonic-gate buf.c_cflag |= HUPCL; 75*7c478bd9Sstevel@tonic-gate ioctl(dn, TCSETSF, &buf); 76*7c478bd9Sstevel@tonic-gate signal(SIGALRM, SIG_DFL); 77*7c478bd9Sstevel@tonic-gate while ((nw = wait(<)) != child && nw != -1) 78*7c478bd9Sstevel@tonic-gate ; 79*7c478bd9Sstevel@tonic-gate fflush(stdout); 80*7c478bd9Sstevel@tonic-gate close(dn); 81*7c478bd9Sstevel@tonic-gate if (lt != 0) { 82*7c478bd9Sstevel@tonic-gate close(FD); 83*7c478bd9Sstevel@tonic-gate return (0); 84*7c478bd9Sstevel@tonic-gate } 85*7c478bd9Sstevel@tonic-gate return (1); 86*7c478bd9Sstevel@tonic-gate } 87*7c478bd9Sstevel@tonic-gate 88*7c478bd9Sstevel@tonic-gate void 89*7c478bd9Sstevel@tonic-gate alarmtr() 90*7c478bd9Sstevel@tonic-gate { 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate alarm(0); 93*7c478bd9Sstevel@tonic-gate siglongjmp(jmpbuf, 1); 94*7c478bd9Sstevel@tonic-gate } 95*7c478bd9Sstevel@tonic-gate 96*7c478bd9Sstevel@tonic-gate /* 97*7c478bd9Sstevel@tonic-gate * Insurance, for some reason we don't seem to be 98*7c478bd9Sstevel@tonic-gate * hanging up... 99*7c478bd9Sstevel@tonic-gate */ 100*7c478bd9Sstevel@tonic-gate dn_disconnect() 101*7c478bd9Sstevel@tonic-gate { 102*7c478bd9Sstevel@tonic-gate int dtr = TIOCM_DTR; 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate sleep(2); 105*7c478bd9Sstevel@tonic-gate if (FD > 0) 106*7c478bd9Sstevel@tonic-gate ioctl(FD, TIOCMBIC, &dtr); 107*7c478bd9Sstevel@tonic-gate close(FD); 108*7c478bd9Sstevel@tonic-gate } 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate dn_abort() 111*7c478bd9Sstevel@tonic-gate { 112*7c478bd9Sstevel@tonic-gate int dtr = TIOCM_DTR; 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate sleep(2); 115*7c478bd9Sstevel@tonic-gate if (child > 0) 116*7c478bd9Sstevel@tonic-gate kill(child, SIGKILL); 117*7c478bd9Sstevel@tonic-gate if (dn > 0) 118*7c478bd9Sstevel@tonic-gate close(dn); 119*7c478bd9Sstevel@tonic-gate if (FD > 0) 120*7c478bd9Sstevel@tonic-gate ioctl(FD, TIOCMBIC, &dtr); 121*7c478bd9Sstevel@tonic-gate close(FD); 122*7c478bd9Sstevel@tonic-gate } 123