| 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 | } |