tip.h revision 28365
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)tip.h 8.1 (Berkeley) 6/6/93 35 */ 36 37/* 38 * tip - terminal interface program 39 */ 40 41#include <sys/types.h> 42#include <machine/endian.h> 43#include <sys/file.h> 44#include <sys/time.h> 45 46#if HAVE_TERMIOS 47#include <sys/ioctl.h> /* for TIOCHPCL */ 48#include <sys/filio.h> /* for FIONREAD */ 49#include <sys/termios.h> 50#else 51#include <sgtty.h> 52#endif 53 54#include <signal.h> 55#include <stdio.h> 56#include <stdlib.h> 57#include <string.h> 58#include <pwd.h> 59#include <ctype.h> 60#include <setjmp.h> 61#include <unistd.h> 62#include <errno.h> 63 64/* 65 * Remote host attributes 66 */ 67char *DV; /* UNIX device(s) to open */ 68char *EL; /* chars marking an EOL */ 69char *CM; /* initial connection message */ 70char *IE; /* EOT to expect on input */ 71char *OE; /* EOT to send to complete FT */ 72char *CU; /* call unit if making a phone call */ 73char *AT; /* acu type */ 74char *PN; /* phone number(s) */ 75char *DI; /* disconnect string */ 76char *PA; /* parity to be generated */ 77 78char *PH; /* phone number file */ 79char *RM; /* remote file name */ 80char *HO; /* host name */ 81 82char *LI; /* login script */ 83char *LO; /* logout script */ 84 85long BR; /* line speed for conversation */ 86long FS; /* frame size for transfers */ 87 88char DU; /* this host is dialed up */ 89char HW; /* this device is hardwired, see hunt.c */ 90char *ES; /* escape character */ 91char *EX; /* exceptions */ 92char *FO; /* force (literal next) char*/ 93char *RC; /* raise character */ 94char *RE; /* script record file */ 95char *PR; /* remote prompt */ 96long DL; /* line delay for file transfers to remote */ 97long CL; /* char delay for file transfers to remote */ 98long ET; /* echocheck timeout */ 99char HD; /* this host is half duplex - do local echo */ 100 101/* 102 * String value table 103 */ 104typedef 105 struct { 106 char *v_name; /* whose name is it */ 107 char v_type; /* for interpreting set's */ 108 char v_access; /* protection of touchy ones */ 109 char *v_abrev; /* possible abreviation */ 110 char *v_value; /* casted to a union later */ 111 } 112 value_t; 113 114#define STRING 01 /* string valued */ 115#define BOOL 02 /* true-false value */ 116#define NUMBER 04 /* numeric value */ 117#define CHAR 010 /* character value */ 118 119#define WRITE 01 /* write access to variable */ 120#define READ 02 /* read access */ 121 122#define CHANGED 01 /* low bit is used to show modification */ 123#define PUBLIC 1 /* public access rights */ 124#define PRIVATE 03 /* private to definer */ 125#define ROOT 05 /* root defined */ 126 127#define TRUE 1 128#define FALSE 0 129 130#define ENVIRON 020 /* initialize out of the environment */ 131#define IREMOTE 040 /* initialize out of remote structure */ 132#define INIT 0100 /* static data space used for initialization */ 133#define TMASK 017 134 135/* 136 * Definition of ACU line description 137 */ 138typedef 139 struct { 140 char *acu_name; 141 int (*acu_dialer)(); 142 void (*acu_disconnect)(); 143 void (*acu_abort)(); 144 } 145 acu_t; 146 147#define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 148 149/* 150 * variable manipulation stuff -- 151 * if we defined the value entry in value_t, then we couldn't 152 * initialize it in vars.c, so we cast it as needed to keep lint 153 * happy. 154 */ 155typedef 156 union { 157 int zz_number; 158 short zz_boolean[2]; 159 char zz_character[4]; 160 int *zz_address; 161 } 162 zzhack; 163 164#define value(v) vtable[v].v_value 165 166#define number(v) ((((zzhack *)(&(v))))->zz_number) 167 168#if BYTE_ORDER == LITTLE_ENDIAN 169#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0]) 170#define character(v) ((((zzhack *)(&(v))))->zz_character[0]) 171#endif 172 173#if BYTE_ORDER == BIG_ENDIAN 174#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1]) 175#define character(v) ((((zzhack *)(&(v))))->zz_character[3]) 176#endif 177 178#define address(v) ((((zzhack *)(&(v))))->zz_address) 179 180/* 181 * Escape command table definitions -- 182 * lookup in this table is performed when ``escapec'' is recognized 183 * at the begining of a line (as defined by the eolmarks variable). 184*/ 185 186typedef 187 struct { 188 char e_char; /* char to match on */ 189 char e_flags; /* experimental, priviledged */ 190 char *e_help; /* help string */ 191 int (*e_func)(); /* command */ 192 } 193 esctable_t; 194 195#define NORM 00 /* normal protection, execute anyone */ 196#define EXP 01 /* experimental, mark it with a `*' on help */ 197#define PRIV 02 /* priviledged, root execute only */ 198 199extern int vflag; /* verbose during reading of .tiprc file */ 200extern value_t vtable[]; /* variable table */ 201 202#if !ACULOG 203#define logent(a, b, c, d) 204#define loginit() 205#else 206void logent __P((char *, char *, char *, char*)); 207#endif 208 209/* 210 * Definition of indices into variable table so 211 * value(DEFINE) turns into a static address. 212 */ 213 214/* 215'a,.!awk '{ printf("\%s \%s \%d\n", $1, $2, NR - 1); }' 216*/ 217 218#define BEAUTIFY 0 219#define BAUDRATE 1 220#define DIALTIMEOUT 2 221#define EOFREAD 3 222#define EOFWRITE 4 223#define EOL 5 224#define ESCAPE 6 225#define EXCEPTIONS 7 226#define FORCE 8 227#define FRAMESIZE 9 228#define HOST 10 229#define LOG 11 230#define LOGIN 12 231#define LOGOUT 13 232#define PHONES 14 233#define PROMPT 15 234#define RAISE 16 235#define RAISECHAR 17 236#define RECORD 18 237#define REMOTE 19 238#define SCRIPT 20 239#define TABEXPAND 21 240#define VERBOSE 22 241#define SHELL 23 242#define HOME 24 243#define ECHOCHECK 25 244#define DISCONNECT 26 245#define TAND 27 246#define LDELAY 28 247#define CDELAY 29 248#define ETIMEOUT 30 249#define RAWFTP 31 250#define HALFDUPLEX 32 251#define LECHO 33 252#define PARITY 34 253#define NOVAL ((value_t *)NULL) 254#define NOACU ((acu_t *)NULL) 255#define NOSTR ((char *)NULL) 256#define NOFILE ((FILE *)NULL) 257#define NOPWD ((struct passwd *)0) 258 259#if HAVE_TERMIOS 260struct termios otermios; 261struct termios ctermios; 262#else /* HAVE_TERMIOS */ 263struct sgttyb arg; /* current mode of local terminal */ 264struct sgttyb defarg; /* initial mode of local terminal */ 265struct tchars tchars; /* current state of terminal */ 266struct tchars defchars; /* initial state of terminal */ 267struct ltchars ltchars; /* current local characters of terminal */ 268struct ltchars deflchars; /* initial local characters of terminal */ 269#endif /* HAVE_TERMIOS */ 270 271FILE *fscript; /* FILE for scripting */ 272 273int fildes[2]; /* file transfer synchronization channel */ 274int repdes[2]; /* read process sychronization channel */ 275int FD; /* open file descriptor to remote host */ 276int AC; /* open file descriptor to dialer (v831 only) */ 277int vflag; /* print .tiprc initialization sequence */ 278int sfd; /* for ~< operation */ 279int pid; /* pid of tipout */ 280uid_t uid, euid; /* real and effective user id's */ 281gid_t gid, egid; /* real and effective group id's */ 282int stop; /* stop transfer session flag */ 283int quit; /* same; but on other end */ 284int intflag; /* recognized interrupt */ 285int stoprompt; /* for interrupting a prompt session */ 286int timedout; /* ~> transfer timedout */ 287int cumode; /* simulating the "cu" program */ 288 289char fname[80]; /* file name buffer for ~< */ 290char copyname[80]; /* file name buffer for ~> */ 291char ccc; /* synchronization character */ 292char ch; /* for tipout */ 293char *uucplock; /* name of lock file for uucp's */ 294 295int odisc; /* initial tty line discipline */ 296extern int disc; /* current tty discpline */ 297 298extern char *ctrl(); 299extern char *vinterp(); 300extern char *connect(); 301extern int size __P((char *)); 302extern int any __P((char, char *)); 303extern void setscript __P((void)); 304extern void tipout __P((void)); 305extern void vinit __P((void)); 306extern void loginit __P((void)); 307extern int hunt __P((char *)); 308extern int vstring __P((char *, char *)); 309extern void setparity __P((char *)); 310extern void vlex __P((char *)); 311extern void daemon_uid __P((void)); 312extern void disconnect __P((char *)); 313extern void shell_uid __P((void)); 314extern void unraw __P((void)); 315extern void pwrite __P((int, char *, int)); 316extern int prompt __P((char *, char *)); 317extern void consh __P((int)); 318extern void tipabort __P((char *)); 319 320#define TL_VERBOSE 0x00000001 321#define TL_SIGNAL_TIPOUT 0x00000002 322 323int tiplink (char *cmd, unsigned int flags); 324void raw (); 325 326/* end of tip.h */ 327