v3451.c revision 1.11
1 /* $NetBSD: v3451.c,v 1.11 2006/04/03 00:51:14 perry 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)v3451.c 8.1 (Berkeley) 6/6/93"; 36 #endif 37 __RCSID("$NetBSD: v3451.c,v 1.11 2006/04/03 00:51:14 perry Exp $"); 38 #endif /* not lint */ 39 40 /* 41 * Routines for calling up on a Vadic 3451 Modem 42 */ 43 #include "tip.h" 44 45 static jmp_buf Sjbuf; 46 47 static void alarmtr(int); 48 static int expect(const char *); 49 static int notin(const char *, char *); 50 static int prefix(const char *, char *); 51 static void vawrite(const char *, int); 52 53 int 54 v3451_dialer(char *num, char *acu) 55 { 56 sig_t func; 57 int ok; 58 int slow = number(value(BAUDRATE)) < 1200; 59 char phone[50]; 60 struct termios cntrl; 61 62 /* 63 * Get in synch 64 */ 65 vawrite("I\r", 1 + slow); 66 vawrite("I\r", 1 + slow); 67 vawrite("I\r", 1 + slow); 68 vawrite("\005\r", 2 + slow); 69 if (!expect("READY")) { 70 printf("can't synchronize with vadic 3451\n"); 71 #ifdef ACULOG 72 logent(value(HOST), num, "vadic", "can't synch up"); 73 #endif 74 return (0); 75 } 76 tcgetattr(FD, &cntrl); 77 term.c_cflag |= HUPCL; 78 tcsetattr(FD, TCSANOW, &cntrl); 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 snprintf(phone, sizeof phone, "%s\r", num); 89 vawrite(phone, 1 + slow); 90 if (!expect(phone)) { 91 printf("Vadic will not accept phone number\n"); 92 #ifdef ACULOG 93 logent(value(HOST), num, "vadic", "will not accept number"); 94 #endif 95 return (0); 96 } 97 func = signal(SIGINT,SIG_IGN); 98 /* 99 * You cannot interrupt the Vadic when its dialing; 100 * even dropping DTR does not work (definitely a 101 * brain damaged design). 102 */ 103 vawrite("\r", 1 + slow); 104 vawrite("\r", 1 + slow); 105 if (!expect("DIALING:")) { 106 printf("Vadic failed to dial\n"); 107 #ifdef ACULOG 108 logent(value(HOST), num, "vadic", "failed to dial"); 109 #endif 110 return (0); 111 } 112 if (boolean(value(VERBOSE))) 113 printf("\ndialing..."); 114 ok = expect("ON LINE"); 115 signal(SIGINT, func); 116 if (!ok) { 117 printf("call failed\n"); 118 #ifdef ACULOG 119 logent(value(HOST), num, "vadic", "call failed"); 120 #endif 121 return (0); 122 } 123 tcflush(FD, TCIOFLUSH); 124 return (1); 125 } 126 127 void 128 v3451_disconnect(void) 129 { 130 131 close(FD); 132 } 133 134 void 135 v3451_abort(void) 136 { 137 138 close(FD); 139 } 140 141 static void 142 vawrite(const char *cp, int delay) 143 { 144 145 for (; *cp; sleep(delay), cp++) 146 write(FD, cp, 1); 147 } 148 149 static int 150 expect(const char *cp) 151 { 152 char buf[300]; 153 char *rp = buf; 154 int timeout = 30, online = 0; 155 156 #if __GNUC__ /* XXX pacify gcc */ 157 (void)&online; 158 (void)&rp; 159 (void)&timeout; 160 #endif 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(int dummy) 195 { 196 197 longjmp(Sjbuf, 1); 198 } 199 200 static int 201 notin(const char *sh, char *lg) 202 { 203 204 for (; *lg; lg++) 205 if (prefix(sh, lg)) 206 return (0); 207 return (1); 208 } 209 210 static int 211 prefix(const char *s1, char *s2) 212 { 213 char c; 214 215 while ((c = *s1++) == *s2++) 216 if (c == '\0') 217 return (1); 218 return (c == '\0'); 219 } 220
Indexes created Wed Sep 24 05:09:52 GMT 2025