1 /* $NetBSD: tip.h,v 1.3 1994/12/08 09:31:10 jtc Exp $ */ 2 3 /* 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)tip.h 8.1 (Berkeley) 6/6/93 37 */ 38 39 /* 40 * tip - terminal interface program 41 */ 42 43 #include <sys/types.h> 44 #include <machine/endian.h> 45 #include <sys/file.h> 46 #include <sys/time.h> 47 48 #include <sgtty.h> 49 #include <signal.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <pwd.h> 54 #include <ctype.h> 55 #include <setjmp.h> 56 #include <unistd.h> 57 #include <errno.h> 58 59 /* 60 * Remote host attributes 61 */ 62 char *DV; /* UNIX device(s) to open */ 63 char *EL; /* chars marking an EOL */ 64 char *CM; /* initial connection message */ 65 char *IE; /* EOT to expect on input */ 66 char *OE; /* EOT to send to complete FT */ 67 char *CU; /* call unit if making a phone call */ 68 char *AT; /* acu type */ 69 char *PN; /* phone number(s) */ 70 char *DI; /* disconnect string */ 71 char *PA; /* parity to be generated */ 72 73 char *PH; /* phone number file */ 74 char *RM; /* remote file name */ 75 char *HO; /* host name */ 76 77 long BR; /* line speed for conversation */ 78 long FS; /* frame size for transfers */ 79 80 char DU; /* this host is dialed up */ 81 char HW; /* this device is hardwired, see hunt.c */ 82 char *ES; /* escape character */ 83 char *EX; /* exceptions */ 84 char *FO; /* force (literal next) char*/ 85 char *RC; /* raise character */ 86 char *RE; /* script record file */ 87 char *PR; /* remote prompt */ 88 long DL; /* line delay for file transfers to remote */ 89 long CL; /* char delay for file transfers to remote */ 90 long ET; /* echocheck timeout */ 91 char HD; /* this host is half duplex - do local echo */ 92 93 /* 94 * String value table 95 */ 96 typedef 97 struct { 98 char *v_name; /* whose name is it */ 99 char v_type; /* for interpreting set's */ 100 char v_access; /* protection of touchy ones */ 101 char *v_abrev; /* possible abreviation */ 102 char *v_value; /* casted to a union later */ 103 } 104 value_t; 105 106 #define STRING 01 /* string valued */ 107 #define BOOL 02 /* true-false value */ 108 #define NUMBER 04 /* numeric value */ 109 #define CHAR 010 /* character value */ 110 111 #define WRITE 01 /* write access to variable */ 112 #define READ 02 /* read access */ 113 114 #define CHANGED 01 /* low bit is used to show modification */ 115 #define PUBLIC 1 /* public access rights */ 116 #define PRIVATE 03 /* private to definer */ 117 #define ROOT 05 /* root defined */ 118 119 #define TRUE 1 120 #define FALSE 0 121 122 #define ENVIRON 020 /* initialize out of the environment */ 123 #define IREMOTE 040 /* initialize out of remote structure */ 124 #define INIT 0100 /* static data space used for initialization */ 125 #define TMASK 017 126 127 /* 128 * Definition of ACU line description 129 */ 130 typedef 131 struct { 132 char *acu_name; 133 int (*acu_dialer)(); 134 int (*acu_disconnect)(); 135 int (*acu_abort)(); 136 } 137 acu_t; 138 139 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 140 141 /* 142 * variable manipulation stuff -- 143 * if we defined the value entry in value_t, then we couldn't 144 * initialize it in vars.c, so we cast it as needed to keep lint 145 * happy. 146 */ 147 typedef 148 union { 149 int zz_number; 150 short zz_boolean[2]; 151 char zz_character[4]; 152 int *zz_address; 153 } 154 zzhack; 155 156 #define value(v) vtable[v].v_value 157 158 #define number(v) ((((zzhack *)(&(v))))->zz_number) 159 160 #if BYTE_ORDER == LITTLE_ENDIAN 161 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0]) 162 #define character(v) ((((zzhack *)(&(v))))->zz_character[0]) 163 #endif 164 165 #if BYTE_ORDER == BIG_ENDIAN 166 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1]) 167 #define character(v) ((((zzhack *)(&(v))))->zz_character[3]) 168 #endif 169 170 #define address(v) ((((zzhack *)(&(v))))->zz_address) 171 172 /* 173 * Escape command table definitions -- 174 * lookup in this table is performed when ``escapec'' is recognized 175 * at the begining of a line (as defined by the eolmarks variable). 176 */ 177 178 typedef 179 struct { 180 char e_char; /* char to match on */ 181 char e_flags; /* experimental, priviledged */ 182 char *e_help; /* help string */ 183 int (*e_func)(); /* command */ 184 } 185 esctable_t; 186 187 #define NORM 00 /* normal protection, execute anyone */ 188 #define EXP 01 /* experimental, mark it with a `*' on help */ 189 #define PRIV 02 /* priviledged, root execute only */ 190 191 extern int vflag; /* verbose during reading of .tiprc file */ 192 extern value_t vtable[]; /* variable table */ 193 194 #ifndef ACULOG 195 #define logent(a, b, c, d) 196 #define loginit() 197 #endif 198 199 /* 200 * Definition of indices into variable table so 201 * value(DEFINE) turns into a static address. 202 */ 203 204 #define BEAUTIFY 0 205 #define BAUDRATE 1 206 #define DIALTIMEOUT 2 207 #define EOFREAD 3 208 #define EOFWRITE 4 209 #define EOL 5 210 #define ESCAPE 6 211 #define EXCEPTIONS 7 212 #define FORCE 8 213 #define FRAMESIZE 9 214 #define HOST 10 215 #define LOG 11 216 #define PHONES 12 217 #define PROMPT 13 218 #define RAISE 14 219 #define RAISECHAR 15 220 #define RECORD 16 221 #define REMOTE 17 222 #define SCRIPT 18 223 #define TABEXPAND 19 224 #define VERBOSE 20 225 #define SHELL 21 226 #define HOME 22 227 #define ECHOCHECK 23 228 #define DISCONNECT 24 229 #define TAND 25 230 #define LDELAY 26 231 #define CDELAY 27 232 #define ETIMEOUT 28 233 #define RAWFTP 29 234 #define HALFDUPLEX 30 235 #define LECHO 31 236 #define PARITY 32 237 238 #define NOVAL ((value_t *)NULL) 239 #define NOACU ((acu_t *)NULL) 240 #define NOSTR ((char *)NULL) 241 #define NOFILE ((FILE *)NULL) 242 #define NOPWD ((struct passwd *)0) 243 244 struct sgttyb arg; /* current mode of local terminal */ 245 struct sgttyb defarg; /* initial mode of local terminal */ 246 struct tchars tchars; /* current state of terminal */ 247 struct tchars defchars; /* initial state of terminal */ 248 struct ltchars ltchars; /* current local characters of terminal */ 249 struct ltchars deflchars; /* initial local characters of terminal */ 250 251 FILE *fscript; /* FILE for scripting */ 252 253 int fildes[2]; /* file transfer synchronization channel */ 254 int repdes[2]; /* read process sychronization channel */ 255 int FD; /* open file descriptor to remote host */ 256 int AC; /* open file descriptor to dialer (v831 only) */ 257 int vflag; /* print .tiprc initialization sequence */ 258 int sfd; /* for ~< operation */ 259 int pid; /* pid of tipout */ 260 uid_t uid, euid; /* real and effective user id's */ 261 gid_t gid, egid; /* real and effective group id's */ 262 int stop; /* stop transfer session flag */ 263 int quit; /* same; but on other end */ 264 int intflag; /* recognized interrupt */ 265 int stoprompt; /* for interrupting a prompt session */ 266 int timedout; /* ~> transfer timedout */ 267 int cumode; /* simulating the "cu" program */ 268 269 char fname[80]; /* file name buffer for ~< */ 270 char copyname[80]; /* file name buffer for ~> */ 271 char ccc; /* synchronization character */ 272 char ch; /* for tipout */ 273 char *uucplock; /* name of lock file for uucp's */ 274 275 int odisc; /* initial tty line discipline */ 276 extern int disc; /* current tty discpline */ 277 278 extern char *ctrl(); 279 extern char *vinterp(); 280 extern char *connect(); 281