1 /* $NetBSD: v3451.c,v 1.3 1994/12/08 09:31:48 jtc Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)v3451.c 8.1 (Berkeley) 6/6/93"; 39 #endif 40 static char rcsid[] = "$NetBSD: v3451.c,v 1.3 1994/12/08 09:31:48 jtc Exp $"; 41 #endif /* not lint */ 42 43 /* 44 * Routines for calling up on a Vadic 3451 Modem 45 */ 46 #include "tip.h" 47 48 static jmp_buf Sjbuf; 49 50 v3451_dialer(num, acu) 51 register char *num; 52 char *acu; 53 { 54 sig_t func; 55 int ok; 56 int slow = number(value(BAUDRATE)) < 1200, rw = 2; 57 char phone[50]; 58 #ifdef ACULOG 59 char line[80]; 60 #endif 61 static int expect(); 62 static void vawrite(); 63 64 /* 65 * Get in synch 66 */ 67 vawrite("I\r", 1 + slow); 68 vawrite("I\r", 1 + slow); 69 vawrite("I\r", 1 + slow); 70 vawrite("\005\r", 2 + slow); 71 if (!expect("READY")) { 72 printf("can't synchronize with vadic 3451\n"); 73 #ifdef ACULOG 74 logent(value(HOST), num, "vadic", "can't synch up"); 75 #endif 76 return (0); 77 } 78 ioctl(FD, TIOCHPCL, 0); 79 sleep(1); 80 vawrite("D\r", 2 + slow); 81 if (!expect("NUMBER?")) { 82 printf("Vadic will not accept dial command\n"); 83 #ifdef ACULOG 84 logent(value(HOST), num, "vadic", "will not accept dial"); 85 #endif 86 return (0); 87 } 88 strcpy(phone, num); 89 strcat(phone, "\r"); 90 vawrite(phone, 1 + slow); 91 if (!expect(phone)) { 92 printf("Vadic will not accept phone number\n"); 93 #ifdef ACULOG 94 logent(value(HOST), num, "vadic", "will not accept number"); 95 #endif 96 return (0); 97 } 98 func = signal(SIGINT,SIG_IGN); 99 /* 100 * You cannot interrupt the Vadic when its dialing; 101 * even dropping DTR does not work (definitely a 102 * brain damaged design). 103 */ 104 vawrite("\r", 1 + slow); 105 vawrite("\r", 1 + slow); 106 if (!expect("DIALING:")) { 107 printf("Vadic failed to dial\n"); 108 #ifdef ACULOG 109 logent(value(HOST), num, "vadic", "failed to dial"); 110 #endif 111 return (0); 112 } 113 if (boolean(value(VERBOSE))) 114 printf("\ndialing..."); 115 ok = expect("ON LINE"); 116 signal(SIGINT, func); 117 if (!ok) { 118 printf("call failed\n"); 119 #ifdef ACULOG 120 logent(value(HOST), num, "vadic", "call failed"); 121 #endif 122 return (0); 123 } 124 ioctl(FD, TIOCFLUSH, &rw); 125 return (1); 126 } 127 128 v3451_disconnect() 129 { 130 131 close(FD); 132 } 133 134 v3451_abort() 135 { 136 137 close(FD); 138 } 139 140 static void 141 vawrite(cp, delay) 142 register char *cp; 143 int delay; 144 { 145 146 for (; *cp; sleep(delay), cp++) 147 write(FD, cp, 1); 148 } 149 150 static 151 expect(cp) 152 register char *cp; 153 { 154 char buf[300]; 155 register char *rp = buf; 156 int timeout = 30, online = 0; 157 static int notin(); 158 static void alarmtr(); 159 160 if (strcmp(cp, "\"\"") == 0) 161 return (1); 162 *rp = 0; 163 /* 164 * If we are waiting for the Vadic to complete 165 * dialing and get a connection, allow more time 166 * Unfortunately, the Vadic times out 24 seconds after 167 * the last digit is dialed 168 */ 169 online = strcmp(cp, "ON LINE") == 0; 170 if (online) 171 timeout = number(value(DIALTIMEOUT)); 172 signal(SIGALRM, alarmtr); 173 if (setjmp(Sjbuf)) 174 return (0); 175 alarm(timeout); 176 while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) { 177 if (online && notin("FAILED CALL", buf) == 0) 178 return (0); 179 if (read(FD, rp, 1) < 0) { 180 alarm(0); 181 return (0); 182 } 183 if (*rp &= 0177) 184 rp++; 185 *rp = '\0'; 186 } 187 alarm(0); 188 return (1); 189 } 190 191 static void 192 alarmtr() 193 { 194 longjmp(Sjbuf, 1); 195 } 196 197 static int 198 notin(sh, lg) 199 char *sh, *lg; 200 { 201 static int prefix(); 202 203 for (; *lg; lg++) 204 if (prefix(sh, lg)) 205 return (0); 206 return (1); 207 } 208 209 static 210 prefix(s1, s2) 211 register char *s1, *s2; 212 { 213 register char c; 214 215 while ((c = *s1++) == *s2++) 216 if (c == '\0') 217 return (1); 218 return (c == '\0'); 219 } 220