1 /*- 2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #define CHAT_EXPECT 0 30 #define CHAT_SEND 1 31 #define CHAT_DONE 2 32 #define CHAT_FAILED 3 33 34 #define MAXABORTS 50 35 36 struct physical; 37 38 struct chat { 39 struct fdescriptor desc; 40 struct physical *physical; 41 42 int state; /* Our CHAT_* status */ 43 44 char script[LINE_LEN]; /* Our arg buffer */ 45 char *argv[MAXARGS]; /* Our arguments (pointing to script) */ 46 int argc; /* Number of argv's */ 47 48 int arg; /* Our current arg number */ 49 char exp[LINE_LEN]; /* Our translated current argument */ 50 char *argptr; /* Our current arg pointer */ 51 int arglen; /* The length of argptr */ 52 char *nargptr; /* Our next for expect-send-expect */ 53 54 char buf[LINE_LEN*2]; /* Our input */ 55 char *bufstart; /* start of relevant data */ 56 char *bufend; /* end of relevant data */ 57 58 int TimeoutSec; /* Expect timeout value */ 59 int TimedOut; /* We timed out */ 60 61 const char *phone; /* Our phone number */ 62 63 struct { 64 struct { 65 char *data; /* Abort the dial if we get one */ 66 int len; 67 } string[MAXABORTS]; 68 int num; /* How many AbortStrings */ 69 } abort; 70 71 struct pppTimer pause; /* Inactivity timer */ 72 struct pppTimer timeout; /* TimeoutSec timer */ 73 }; 74 75 #define descriptor2chat(d) \ 76 ((d)->type == CHAT_DESCRIPTOR ? (struct chat *)(d) : NULL) 77 #define VECSIZE(v) (sizeof(v) / sizeof(v[0])) 78 79 extern void chat_Init(struct chat *, struct physical *); 80 extern int chat_Setup(struct chat *, const char *, const char *); 81 extern void chat_Finish(struct chat *); 82 extern void chat_Destroy(struct chat *); 83