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