v3451.c revision 1.1
1 /* 2 * Copyright (c) 1983 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char sccsid[] = "@(#)v3451.c 5.5 (Berkeley) 3/2/91"; 36 #endif /* not lint */ 37 38 /* 39 * Routines for calling up on a Vadic 3451 Modem 40 */ 41 #include "tip.h" 42 43 static jmp_buf Sjbuf; 44 45 v3451_dialer(num, acu) 46 register char *num; 47 char *acu; 48 { 49 sig_t func; 50 int ok; 51 int slow = number(value(BAUDRATE)) < 1200, rw = 2; 52 char phone[50]; 53 #ifdef ACULOG 54 char line[80]; 55 #endif 56 static int expect(); 57 static void vawrite(); 58 59 /* 60 * Get in synch 61 */ 62 vawrite("I\r", 1 + slow); 63 vawrite("I\r", 1 + slow); 64 vawrite("I\r", 1 + slow); 65 vawrite("\005\r", 2 + slow); 66 if (!expect("READY")) { 67 printf("can't synchronize with vadic 3451\n"); 68 #ifdef ACULOG 69 logent(value(HOST), num, "vadic", "can't synch up"); 70 #endif 71 return (0); 72 } 73 ioctl(FD, TIOCHPCL, 0); 74 sleep(1); 75 vawrite("D\r", 2 + slow); 76 if (!expect("NUMBER?")) { 77 printf("Vadic will not accept dial command\n"); 78 #ifdef ACULOG 79 logent(value(HOST), num, "vadic", "will not accept dial"); 80 #endif 81 return (0); 82 } 83 strcpy(phone, num); 84 strcat(phone, "\r"); 85 vawrite(phone, 1 + slow); 86 if (!expect(phone)) { 87 printf("Vadic will not accept phone number\n"); 88 #ifdef ACULOG 89 logent(value(HOST), num, "vadic", "will not accept number"); 90 #endif 91 return (0); 92 } 93 func = signal(SIGINT,SIG_IGN); 94 /* 95 * You cannot interrupt the Vadic when its dialing; 96 * even dropping DTR does not work (definitely a 97 * brain damaged design). 98 */ 99 vawrite("\r", 1 + slow); 100 vawrite("\r", 1 + slow); 101 if (!expect("DIALING:")) { 102 printf("Vadic failed to dial\n"); 103 #ifdef ACULOG 104 logent(value(HOST), num, "vadic", "failed to dial"); 105 #endif 106 return (0); 107 } 108 if (boolean(value(VERBOSE))) 109 printf("\ndialing..."); 110 ok = expect("ON LINE"); 111 signal(SIGINT, func); 112 if (!ok) { 113 printf("call failed\n"); 114 #ifdef ACULOG 115 logent(value(HOST), num, "vadic", "call failed"); 116 #endif 117 return (0); 118 } 119 ioctl(FD, TIOCFLUSH, &rw); 120 return (1); 121 } 122 123 v3451_disconnect() 124 { 125 126 close(FD); 127 } 128 129 v3451_abort() 130 { 131 132 close(FD); 133 } 134 135 static void 136 vawrite(cp, delay) 137 register char *cp; 138 int delay; 139 { 140 141 for (; *cp; sleep(delay), cp++) 142 write(FD, cp, 1); 143 } 144 145 static 146 expect(cp) 147 register char *cp; 148 { 149 char buf[300]; 150 register char *rp = buf; 151 int timeout = 30, online = 0; 152 static int notin(); 153 static void alarmtr(); 154 155 if (strcmp(cp, "\"\"") == 0) 156 return (1); 157 *rp = 0; 158 /* 159 * If we are waiting for the Vadic to complete 160 * dialing and get a connection, allow more time 161 * Unfortunately, the Vadic times out 24 seconds after 162 * the last digit is dialed 163 */ 164 online = strcmp(cp, "ON LINE") == 0; 165 if (online) 166 timeout = number(value(DIALTIMEOUT)); 167 signal(SIGALRM, alarmtr); 168 if (setjmp(Sjbuf)) 169 return (0); 170 alarm(timeout); 171 while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) { 172 if (online && notin("FAILED CALL", buf) == 0) 173 return (0); 174 if (read(FD, rp, 1) < 0) { 175 alarm(0); 176 return (0); 177 } 178 if (*rp &= 0177) 179 rp++; 180 *rp = '\0'; 181 } 182 alarm(0); 183 return (1); 184 } 185 186 static void 187 alarmtr() 188 { 189 longjmp(Sjbuf, 1); 190 } 191 192 static int 193 notin(sh, lg) 194 char *sh, *lg; 195 { 196 static int prefix(); 197 198 for (; *lg; lg++) 199 if (prefix(sh, lg)) 200 return (0); 201 return (1); 202 } 203 204 static 205 prefix(s1, s2) 206 register char *s1, *s2; 207 { 208 register char c; 209 210 while ((c = *s1++) == *s2++) 211 if (c == '\0') 212 return (1); 213 return (c == '\0'); 214 } 215
Indexes created Wed Sep 24 05:09:52 GMT 2025