1 /* $OpenBSD: tip.h,v 1.27 2006/08/18 03:06:18 jason Exp $ */ 2 /* $NetBSD: tip.h,v 1.7 1997/04/20 00:02:46 mellon Exp $ */ 3 /* $FreeBSD$ */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-3-Clause 7 * 8 * Copyright (c) 1989, 1993 9 * The Regents of the University of California. All rights reserved. 10 * 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. 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 <sys/file.h> 45 #include <sys/time.h> 46 #include <sys/wait.h> 47 #include <sys/ioctl.h> 48 49 #include <termios.h> 50 #include <signal.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <pwd.h> 55 #include <ctype.h> 56 #include <setjmp.h> 57 #include <unistd.h> 58 #include <errno.h> 59 #include <limits.h> 60 61 /* 62 * Remote host attributes 63 */ 64 char *DV; /* UNIX device(s) to open */ 65 char *EL; /* chars marking an EOL */ 66 char *CM; /* initial connection message */ 67 char *IE; /* EOT to expect on input */ 68 char *OE; /* EOT to send to complete FT */ 69 char *CU; /* call unit if making a phone call */ 70 char *AT; /* acu type */ 71 char *PN; /* phone number(s) */ 72 char *DI; /* disconnect string */ 73 char *PA; /* parity to be generated */ 74 75 char *PH; /* phone number file */ 76 char *RM; /* remote file name */ 77 char *HO; /* host name */ 78 79 long BR; /* line speed for conversation */ 80 long FS; /* frame size for transfers */ 81 82 short DU; /* this host is dialed up */ 83 short HW; /* this device is hardwired, see hunt.c */ 84 char *ES; /* escape character */ 85 char *EX; /* exceptions */ 86 char *FO; /* force (literal next) char*/ 87 char *RC; /* raise character */ 88 char *RE; /* script record file */ 89 char *PR; /* remote prompt */ 90 long DL; /* line delay for file transfers to remote */ 91 long CL; /* char delay for file transfers to remote */ 92 long ET; /* echocheck timeout */ 93 long LD; /* line disc */ 94 short HD; /* this host is half duplex - do local echo */ 95 96 /* 97 * String value table 98 */ 99 typedef 100 struct { 101 char *v_name; /* whose name is it */ 102 char v_type; /* for interpreting set's */ 103 char v_access; /* protection of touchy ones */ 104 char *v_abrev; /* possible abbreviation */ 105 char *v_value; /* casted to a union later */ 106 } 107 value_t; 108 109 #define STRING 01 /* string valued */ 110 #define BOOL 02 /* true-false value */ 111 #define NUMBER 04 /* numeric value */ 112 #define CHAR 010 /* character value */ 113 114 #define WRITE 01 /* write access to variable */ 115 #define READ 02 /* read access */ 116 117 #define CHANGED 01 /* low bit is used to show modification */ 118 #define PUBLIC 1 /* public access rights */ 119 #define PRIVATE 03 /* private to definer */ 120 #define ROOT 05 /* root defined */ 121 122 #define TRUE 1 123 #define FALSE 0 124 125 #define ENVIRON 020 /* initialize out of the environment */ 126 #define IREMOTE 040 /* initialize out of remote structure */ 127 #define INIT 0100 /* static data space used for initialization */ 128 #define TMASK 017 129 130 /* 131 * Definition of ACU line description 132 */ 133 typedef 134 struct { 135 char *acu_name; 136 int (*acu_dialer)(char *, char *); 137 void (*acu_disconnect)(void); 138 void (*acu_abort)(void); 139 } 140 acu_t; 141 142 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 143 144 /* 145 * variable manipulation stuff -- 146 * if we defined the value entry in value_t, then we couldn't 147 * initialize it in vars.c, so we cast it as needed to keep lint 148 * happy. 149 */ 150 151 #define value(v) vtable[v].v_value 152 #define lvalue(v) (long)vtable[v].v_value 153 154 #define number(v) ((long)(v)) 155 #define boolean(v) ((short)(long)(v)) 156 #define character(v) ((char)(long)(v)) 157 #define address(v) ((long *)(v)) 158 159 #define setnumber(v,n) do { (v) = (char *)(long)(n); } while (0) 160 #define setboolean(v,n) do { (v) = (char *)(long)(n); } while (0) 161 #define setcharacter(v,n) do { (v) = (char *)(long)(n); } while (0) 162 #define setaddress(v,n) do { (v) = (char *)(n); } while (0) 163 164 /* 165 * Escape command table definitions -- 166 * lookup in this table is performed when ``escapec'' is recognized 167 * at the beginning of a line (as defined by the eolmarks variable). 168 */ 169 170 typedef 171 struct { 172 char e_char; /* char to match on */ 173 char e_flags; /* experimental, privileged */ 174 char *e_help; /* help string */ 175 void (*e_func)(int); /* command */ 176 } 177 esctable_t; 178 179 #define NORM 00 /* normal protection, execute anyone */ 180 #define EXP 01 /* experimental, mark it with a `*' on help */ 181 #define PRIV 02 /* privileged, root execute only */ 182 183 extern int vflag; /* verbose during reading of .tiprc file */ 184 extern int noesc; /* no escape `~' char */ 185 extern value_t vtable[]; /* variable table */ 186 187 #ifndef ACULOG 188 #define logent(a, b, c, d) 189 #define loginit() 190 #endif 191 192 /* 193 * Definition of indices into variable table so 194 * value(DEFINE) turns into a static address. 195 */ 196 197 #define BEAUTIFY 0 198 #define BAUDRATE 1 199 #define DIALTIMEOUT 2 200 #define EOFREAD 3 201 #define EOFWRITE 4 202 #define EOL 5 203 #define ESCAPE 6 204 #define EXCEPTIONS 7 205 #define FORCE 8 206 #define FRAMESIZE 9 207 #define HOST 10 208 #define LOG 11 209 #define PHONES 12 210 #define PROMPT 13 211 #define RAISE 14 212 #define RAISECHAR 15 213 #define RECORD 16 214 #define REMOTE 17 215 #define SCRIPT 18 216 #define TABEXPAND 19 217 #define VERBOSE 20 218 #define SHELL 21 219 #define HOME 22 220 #define ECHOCHECK 23 221 #define DISCONNECT 24 222 #define TAND 25 223 #define LDELAY 26 224 #define CDELAY 27 225 #define ETIMEOUT 28 226 #define RAWFTP 29 227 #define HALFDUPLEX 30 228 #define LECHO 31 229 #define PARITY 32 230 #define HARDWAREFLOW 33 231 #define LINEDISC 34 232 #define DC 35 233 234 #define NOVAL ((value_t *)NULL) 235 #define NOACU ((acu_t *)NULL) 236 #define NOSTR ((char *)NULL) 237 #define NOFILE ((FILE *)NULL) 238 #define NOPWD ((struct passwd *)0) 239 240 struct termios term; /* current mode of terminal */ 241 struct termios defterm; /* initial mode of terminal */ 242 struct termios defchars; /* current mode with initial chars */ 243 int gotdefterm; 244 245 FILE *fscript; /* FILE for scripting */ 246 247 int fildes[2]; /* file transfer synchronization channel */ 248 int repdes[2]; /* read process sychronization channel */ 249 int FD; /* open file descriptor to remote host */ 250 int AC; /* open file descriptor to dialer (v831 only) */ 251 int vflag; /* print .tiprc initialization sequence */ 252 int noesc; /* no `~' escape char */ 253 int sfd; /* for ~< operation */ 254 pid_t tipin_pid; /* pid of tipin */ 255 pid_t tipout_pid; /* pid of tipout */ 256 uid_t uid, euid; /* real and effective user id's */ 257 gid_t gid, egid; /* real and effective group id's */ 258 int stop; /* stop transfer session flag */ 259 int quit; /* same; but on other end */ 260 int intflag; /* recognized interrupt */ 261 int stoprompt; /* for interrupting a prompt session */ 262 int timedout; /* ~> transfer timedout */ 263 int cumode; /* simulating the "cu" program */ 264 int bits8; /* terminal is 8-bit mode */ 265 #define STRIP_PAR (bits8 ? 0377 : 0177) 266 267 char fname[PATH_MAX]; /* file name buffer for ~< */ 268 char copyname[PATH_MAX]; /* file name buffer for ~> */ 269 char ccc; /* synchronization character */ 270 char *uucplock; /* name of lock file for uucp's */ 271 272 int odisc; /* initial tty line discipline */ 273 extern int disc; /* current tty discpline */ 274 275 extern char *__progname; /* program name */ 276 277 char *con(void); 278 char *ctrl(char); 279 char *expand(char *); 280 char *getremote(char *); 281 char *interp(char *); 282 int any(int, char *); 283 int biz22w_dialer(char *, char *); 284 int biz22f_dialer(char *, char *); 285 int biz31w_dialer(char *, char *); 286 int biz31f_dialer(char *, char *); 287 int cour_dialer(char *, char *); 288 int df02_dialer(char *, char *); 289 int df03_dialer(char *, char *); 290 int dn_dialer(char *, char *); 291 int hay_dialer(char *, char *); 292 int prompt(char *, char *, size_t); 293 size_t size(char *); 294 int t3000_dialer(char *, char *); 295 int ttysetup(int); 296 int uu_lock(char *); 297 int uu_unlock(char *); 298 int v3451_dialer(char *, char *); 299 int v831_dialer(char *, char *); 300 int ven_dialer(char *, char *); 301 int vstring(char *, char *); 302 long hunt(char *); 303 void biz22_disconnect(void); 304 void biz22_abort(void); 305 void biz31_disconnect(void); 306 void biz31_abort(void); 307 void chdirectory(int); 308 void cleanup(int); 309 void consh(int); 310 void cour_abort(void); 311 void cour_disconnect(void); 312 void cu_put(int); 313 void cu_take(int); 314 void cumain(int, char **); 315 void daemon_uid(void); 316 void df_abort(void); 317 void df_disconnect(void); 318 void disconnect(char *); 319 void dn_abort(void); 320 void dn_disconnect(void); 321 void finish(int); 322 void genbrk(int); 323 void getfl(int); 324 void hay_abort(void); 325 void hay_disconnect(void); 326 void help(int); 327 void listvariables(int); 328 void logent(char *, char *, char *, char *); 329 void loginit(void); 330 void parwrite(int, char *, size_t); 331 void pipefile(int); 332 void pipeout(int); 333 void raw(void); 334 void sendfile(int); 335 void setparity(char *); 336 void setscript(void); 337 void shell(int); 338 void shell_uid(void); 339 void suspend(int); 340 void t3000_disconnect(void); 341 void t3000_abort(void); 342 void timeout(int); 343 void tipabort(char *); 344 void tipout(void); 345 void user_uid(void); 346 void unexcl(void); 347 void unraw(void); 348 void v3451_abort(void); 349 void v3451_disconnect(void); 350 void v831_disconnect(void); 351 void v831_abort(void); 352 void variable(int); 353 void ven_disconnect(void); 354 void ven_abort(void); 355 void vinit(void); 356 void vlex(char *); 357