v3451.c revision 1.4
1 /* $NetBSD: v3451.c,v 1.4 1995/10/29 00:49:59 pk 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 1.4 1995/10/29 00:49:59 pk 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 struct termios cntrl; 59 #ifdef ACULOG 60 char line[80]; 61 #endif 62 static int expect(); 63 static void vawrite(); 64 65 /* 66 * Get in synch 67 */ 68 vawrite("I\r", 1 + slow); 69 vawrite("I\r", 1 + slow); 70 vawrite("I\r", 1 + slow); 71 vawrite("\005\r", 2 + slow); 72 if (!expect("READY")) { 73 printf("can't synchronize with vadic 3451\n"); 74 #ifdef ACULOG 75 logent(value(HOST), num, "vadic", "can't synch up"); 76 #endif 77 return (0); 78 } 79 tcgetattr(FD, &cntrl); 80 term.c_cflag |= HUPCL; 81 tcsetattr(FD, TCSANOW, &cntrl); 82 sleep(1); 83 vawrite("D\r", 2 + slow); 84 if (!expect("NUMBER?")) { 85 printf("Vadic will not accept dial command\n"); 86 #ifdef ACULOG 87 logent(value(HOST), num, "vadic", "will not accept dial"); 88 #endif 89 return (0); 90 } 91 strcpy(phone, num); 92 strcat(phone, "\r"); 93 vawrite(phone, 1 + slow); 94 if (!expect(phone)) { 95 printf("Vadic will not accept phone number\n"); 96 #ifdef ACULOG 97 logent(value(HOST), num, "vadic", "will not accept number"); 98 #endif 99 return (0); 100 } 101 func = signal(SIGINT,SIG_IGN); 102 /* 103 * You cannot interrupt the Vadic when its dialing; 104 * even dropping DTR does not work (definitely a 105 * brain damaged design). 106 */ 107 vawrite("\r", 1 + slow); 108 vawrite("\r", 1 + slow); 109 if (!expect("DIALING:")) { 110 printf("Vadic failed to dial\n"); 111 #ifdef ACULOG 112 logent(value(HOST), num, "vadic", "failed to dial"); 113 #endif 114 return (0); 115 } 116 if (boolean(value(VERBOSE))) 117 printf("\ndialing..."); 118 ok = expect("ON LINE"); 119 signal(SIGINT, func); 120 if (!ok) { 121 printf("call failed\n"); 122 #ifdef ACULOG 123 logent(value(HOST), num, "vadic", "call failed"); 124 #endif 125 return (0); 126 } 127 tcflush(FD, TCIOFLUSH); 128 return (1); 129 } 130 131 v3451_disconnect() 132 { 133 134 close(FD); 135 } 136 137 v3451_abort() 138 { 139 140 close(FD); 141 } 142 143 static void 144 vawrite(cp, delay) 145 register char *cp; 146 int delay; 147 { 148 149 for (; *cp; sleep(delay), cp++) 150 write(FD, cp, 1); 151 } 152 153 static 154 expect(cp) 155 register char *cp; 156 { 157 char buf[300]; 158 register char *rp = buf; 159 int timeout = 30, online = 0; 160 static int notin(); 161 static void alarmtr(); 162 163 if (strcmp(cp, "\"\"") == 0) 164 return (1); 165 *rp = 0; 166 /* 167 * If we are waiting for the Vadic to complete 168 * dialing and get a connection, allow more time 169 * Unfortunately, the Vadic times out 24 seconds after 170 * the last digit is dialed 171 */ 172 online = strcmp(cp, "ON LINE") == 0; 173 if (online) 174 timeout = number(value(DIALTIMEOUT)); 175 signal(SIGALRM, alarmtr); 176 if (setjmp(Sjbuf)) 177 return (0); 178 alarm(timeout); 179 while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) { 180 if (online && notin("FAILED CALL", buf) == 0) 181 return (0); 182 if (read(FD, rp, 1) < 0) { 183 alarm(0); 184 return (0); 185 } 186 if (*rp &= 0177) 187 rp++; 188 *rp = '\0'; 189 } 190 alarm(0); 191 return (1); 192 } 193 194 static void 195 alarmtr() 196 { 197 longjmp(Sjbuf, 1); 198 } 199 200 static int 201 notin(sh, lg) 202 char *sh, *lg; 203 { 204 static int prefix(); 205 206 for (; *lg; lg++) 207 if (prefix(sh, lg)) 208 return (0); 209 return (1); 210 } 211 212 static 213 prefix(s1, s2) 214 register char *s1, *s2; 215 { 216 register char c; 217 218 while ((c = *s1++) == *s2++) 219 if (c == '\0') 220 return (1); 221 return (c == '\0'); 222 } 223
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