v3451.c revision 1.5
1 /* $NetBSD: v3451.c,v 1.5 1996/12/29 10:42:00 cgd 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 1.5 1996/12/29 10:42:00 cgd 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 static int expect(), notin(), prefix(); 51 static void vawrite(), alarmtr(); 52 53 v3451_dialer(num, acu) 54 register char *num; 55 char *acu; 56 { 57 sig_t func; 58 int ok; 59 int slow = number(value(BAUDRATE)) < 1200, rw = 2; 60 char phone[50]; 61 struct termios cntrl; 62 #ifdef ACULOG 63 char line[80]; 64 #endif 65 66 /* 67 * Get in synch 68 */ 69 vawrite("I\r", 1 + slow); 70 vawrite("I\r", 1 + slow); 71 vawrite("I\r", 1 + slow); 72 vawrite("\005\r", 2 + slow); 73 if (!expect("READY")) { 74 printf("can't synchronize with vadic 3451\n"); 75 #ifdef ACULOG 76 logent(value(HOST), num, "vadic", "can't synch up"); 77 #endif 78 return (0); 79 } 80 tcgetattr(FD, &cntrl); 81 term.c_cflag |= HUPCL; 82 tcsetattr(FD, TCSANOW, &cntrl); 83 sleep(1); 84 vawrite("D\r", 2 + slow); 85 if (!expect("NUMBER?")) { 86 printf("Vadic will not accept dial command\n"); 87 #ifdef ACULOG 88 logent(value(HOST), num, "vadic", "will not accept dial"); 89 #endif 90 return (0); 91 } 92 strcpy(phone, num); 93 strcat(phone, "\r"); 94 vawrite(phone, 1 + slow); 95 if (!expect(phone)) { 96 printf("Vadic will not accept phone number\n"); 97 #ifdef ACULOG 98 logent(value(HOST), num, "vadic", "will not accept number"); 99 #endif 100 return (0); 101 } 102 func = signal(SIGINT,SIG_IGN); 103 /* 104 * You cannot interrupt the Vadic when its dialing; 105 * even dropping DTR does not work (definitely a 106 * brain damaged design). 107 */ 108 vawrite("\r", 1 + slow); 109 vawrite("\r", 1 + slow); 110 if (!expect("DIALING:")) { 111 printf("Vadic failed to dial\n"); 112 #ifdef ACULOG 113 logent(value(HOST), num, "vadic", "failed to dial"); 114 #endif 115 return (0); 116 } 117 if (boolean(value(VERBOSE))) 118 printf("\ndialing..."); 119 ok = expect("ON LINE"); 120 signal(SIGINT, func); 121 if (!ok) { 122 printf("call failed\n"); 123 #ifdef ACULOG 124 logent(value(HOST), num, "vadic", "call failed"); 125 #endif 126 return (0); 127 } 128 tcflush(FD, TCIOFLUSH); 129 return (1); 130 } 131 132 v3451_disconnect() 133 { 134 135 close(FD); 136 } 137 138 v3451_abort() 139 { 140 141 close(FD); 142 } 143 144 static void 145 vawrite(cp, delay) 146 register char *cp; 147 int delay; 148 { 149 150 for (; *cp; sleep(delay), cp++) 151 write(FD, cp, 1); 152 } 153 154 static 155 expect(cp) 156 register char *cp; 157 { 158 char buf[300]; 159 register char *rp = buf; 160 int timeout = 30, online = 0; 161 162 if (strcmp(cp, "\"\"") == 0) 163 return (1); 164 *rp = 0; 165 /* 166 * If we are waiting for the Vadic to complete 167 * dialing and get a connection, allow more time 168 * Unfortunately, the Vadic times out 24 seconds after 169 * the last digit is dialed 170 */ 171 online = strcmp(cp, "ON LINE") == 0; 172 if (online) 173 timeout = number(value(DIALTIMEOUT)); 174 signal(SIGALRM, alarmtr); 175 if (setjmp(Sjbuf)) 176 return (0); 177 alarm(timeout); 178 while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) { 179 if (online && notin("FAILED CALL", buf) == 0) 180 return (0); 181 if (read(FD, rp, 1) < 0) { 182 alarm(0); 183 return (0); 184 } 185 if (*rp &= 0177) 186 rp++; 187 *rp = '\0'; 188 } 189 alarm(0); 190 return (1); 191 } 192 193 static void 194 alarmtr() 195 { 196 longjmp(Sjbuf, 1); 197 } 198 199 static int 200 notin(sh, lg) 201 char *sh, *lg; 202 { 203 204 for (; *lg; lg++) 205 if (prefix(sh, lg)) 206 return (0); 207 return (1); 208 } 209 210 static 211 prefix(s1, s2) 212 register char *s1, *s2; 213 { 214 register char c; 215 216 while ((c = *s1++) == *s2++) 217 if (c == '\0') 218 return (1); 219 return (c == '\0'); 220 } 221
Indexes created Thu Sep 25 08:09:54 GMT 2025