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 * Copyright (c) 1989, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. 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 <sys/file.h> 43 #include <sys/time.h> 44 #include <sys/wait.h> 45 #include <sys/ioctl.h> 46 47 #include <termios.h> 48 #include <signal.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <pwd.h> 53 #include <ctype.h> 54 #include <setjmp.h> 55 #include <unistd.h> 56 #include <errno.h> 57 #include <limits.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 short DU; /* this host is dialed up */ 81 short 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 long LD; /* line disc */ 92 short HD; /* this host is half duplex - do local echo */ 93 94 /* 95 * String value table 96 */ 97 typedef 98 struct { 99 char *v_name; /* whose name is it */ 100 char v_type; /* for interpreting set's */ 101 char v_access; /* protection of touchy ones */ 102 char *v_abrev; /* possible abreviation */ 103 char *v_value; /* casted to a union later */ 104 } 105 value_t; 106 107 #define STRING 01 /* string valued */ 108 #define BOOL 02 /* true-false value */ 109 #define NUMBER 04 /* numeric value */ 110 #define CHAR 010 /* character value */ 111 112 #define WRITE 01 /* write access to variable */ 113 #define READ 02 /* read access */ 114 115 #define CHANGED 01 /* low bit is used to show modification */ 116 #define PUBLIC 1 /* public access rights */ 117 #define PRIVATE 03 /* private to definer */ 118 #define ROOT 05 /* root defined */ 119 120 #define TRUE 1 121 #define FALSE 0 122 123 #define ENVIRON 020 /* initialize out of the environment */ 124 #define IREMOTE 040 /* initialize out of remote structure */ 125 #define INIT 0100 /* static data space used for initialization */ 126 #define TMASK 017 127 128 /* 129 * Definition of ACU line description 130 */ 131 typedef 132 struct { 133 char *acu_name; 134 int (*acu_dialer)(char *, char *); 135 void (*acu_disconnect)(void); 136 void (*acu_abort)(void); 137 } 138 acu_t; 139 140 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 141 142 /* 143 * variable manipulation stuff -- 144 * if we defined the value entry in value_t, then we couldn't 145 * initialize it in vars.c, so we cast it as needed to keep lint 146 * happy. 147 */ 148 149 #define value(v) vtable[v].v_value 150 #define lvalue(v) (long)vtable[v].v_value 151 152 #define number(v) ((long)(v)) 153 #define boolean(v) ((short)(long)(v)) 154 #define character(v) ((char)(long)(v)) 155 #define address(v) ((long *)(v)) 156 157 #define setnumber(v,n) do { (v) = (char *)(long)(n); } while (0) 158 #define setboolean(v,n) do { (v) = (char *)(long)(n); } while (0) 159 #define setcharacter(v,n) do { (v) = (char *)(long)(n); } while (0) 160 #define setaddress(v,n) do { (v) = (char *)(n); } while (0) 161 162 /* 163 * Escape command table definitions -- 164 * lookup in this table is performed when ``escapec'' is recognized 165 * at the begining of a line (as defined by the eolmarks variable). 166 */ 167 168 typedef 169 struct { 170 char e_char; /* char to match on */ 171 char e_flags; /* experimental, privileged */ 172 char *e_help; /* help string */ 173 void (*e_func)(int); /* command */ 174 } 175 esctable_t; 176 177 #define NORM 00 /* normal protection, execute anyone */ 178 #define EXP 01 /* experimental, mark it with a `*' on help */ 179 #define PRIV 02 /* privileged, root execute only */ 180 181 extern int vflag; /* verbose during reading of .tiprc file */ 182 extern int noesc; /* no escape `~' char */ 183 extern value_t vtable[]; /* variable table */ 184 185 #ifndef ACULOG 186 #define logent(a, b, c, d) 187 #define loginit() 188 #endif 189 190 /* 191 * Definition of indices into variable table so 192 * value(DEFINE) turns into a static address. 193 */ 194 195 #define BEAUTIFY 0 196 #define BAUDRATE 1 197 #define DIALTIMEOUT 2 198 #define EOFREAD 3 199 #define EOFWRITE 4 200 #define EOL 5 201 #define ESCAPE 6 202 #define EXCEPTIONS 7 203 #define FORCE 8 204 #define FRAMESIZE 9 205 #define HOST 10 206 #define LOG 11 207 #define PHONES 12 208 #define PROMPT 13 209 #define RAISE 14 210 #define RAISECHAR 15 211 #define RECORD 16 212 #define REMOTE 17 213 #define SCRIPT 18 214 #define TABEXPAND 19 215 #define VERBOSE 20 216 #define SHELL 21 217 #define HOME 22 218 #define ECHOCHECK 23 219 #define DISCONNECT 24 220 #define TAND 25 221 #define LDELAY 26 222 #define CDELAY 27 223 #define ETIMEOUT 28 224 #define RAWFTP 29 225 #define HALFDUPLEX 30 226 #define LECHO 31 227 #define PARITY 32 228 #define HARDWAREFLOW 33 229 #define LINEDISC 34 230 #define DC 35 231 232 #define NOVAL ((value_t *)NULL) 233 #define NOACU ((acu_t *)NULL) 234 #define NOSTR ((char *)NULL) 235 #define NOFILE ((FILE *)NULL) 236 #define NOPWD ((struct passwd *)0) 237 238 struct termios term; /* current mode of terminal */ 239 struct termios defterm; /* initial mode of terminal */ 240 struct termios defchars; /* current mode with initial chars */ 241 int gotdefterm; 242 243 FILE *fscript; /* FILE for scripting */ 244 245 int fildes[2]; /* file transfer synchronization channel */ 246 int repdes[2]; /* read process sychronization channel */ 247 int FD; /* open file descriptor to remote host */ 248 int AC; /* open file descriptor to dialer (v831 only) */ 249 int vflag; /* print .tiprc initialization sequence */ 250 int noesc; /* no `~' escape char */ 251 int sfd; /* for ~< operation */ 252 pid_t tipin_pid; /* pid of tipin */ 253 pid_t tipout_pid; /* pid of tipout */ 254 uid_t uid, euid; /* real and effective user id's */ 255 gid_t gid, egid; /* real and effective group id's */ 256 int stop; /* stop transfer session flag */ 257 int quit; /* same; but on other end */ 258 int intflag; /* recognized interrupt */ 259 int stoprompt; /* for interrupting a prompt session */ 260 int timedout; /* ~> transfer timedout */ 261 int cumode; /* simulating the "cu" program */ 262 int bits8; /* terminal is is 8-bit mode */ 263 #define STRIP_PAR (bits8 ? 0377 : 0177) 264 265 char fname[PATH_MAX]; /* file name buffer for ~< */ 266 char copyname[PATH_MAX]; /* file name buffer for ~> */ 267 char ccc; /* synchronization character */ 268 char *uucplock; /* name of lock file for uucp's */ 269 270 int odisc; /* initial tty line discipline */ 271 extern int disc; /* current tty discpline */ 272 273 extern char *__progname; /* program name */ 274 275 char *con(void); 276 char *ctrl(char); 277 char *expand(char *); 278 char *getremote(char *); 279 char *interp(char *); 280 int any(int, char *); 281 int biz22w_dialer(char *, char *); 282 int biz22f_dialer(char *, char *); 283 int biz31w_dialer(char *, char *); 284 int biz31f_dialer(char *, char *); 285 int cour_dialer(char *, char *); 286 int df02_dialer(char *, char *); 287 int df03_dialer(char *, char *); 288 int dn_dialer(char *, char *); 289 int hay_dialer(char *, char *); 290 int prompt(char *, char *, size_t); 291 size_t size(char *); 292 int t3000_dialer(char *, char *); 293 int ttysetup(int); 294 int uu_lock(char *); 295 int uu_unlock(char *); 296 int v3451_dialer(char *, char *); 297 int v831_dialer(char *, char *); 298 int ven_dialer(char *, char *); 299 int vstring(char *, char *); 300 long hunt(char *); 301 void biz22_disconnect(void); 302 void biz22_abort(void); 303 void biz31_disconnect(void); 304 void biz31_abort(void); 305 void chdirectory(int); 306 void cleanup(int); 307 void consh(int); 308 void cour_abort(void); 309 void cour_disconnect(void); 310 void cu_put(int); 311 void cu_take(int); 312 void cumain(int, char **); 313 void daemon_uid(void); 314 void df_abort(void); 315 void df_disconnect(void); 316 void disconnect(char *); 317 void dn_abort(void); 318 void dn_disconnect(void); 319 void finish(int); 320 void genbrk(int); 321 void getfl(int); 322 void hay_abort(void); 323 void hay_disconnect(void); 324 void help(int); 325 void listvariables(int); 326 void logent(char *, char *, char *, char *); 327 void loginit(void); 328 void parwrite(int, char *, size_t); 329 void pipefile(int); 330 void pipeout(int); 331 void raw(void); 332 void sendfile(int); 333 void setparity(char *); 334 void setscript(void); 335 void shell(int); 336 void shell_uid(void); 337 void suspend(int); 338 void t3000_disconnect(void); 339 void t3000_abort(void); 340 void timeout(int); 341 void tipabort(char *); 342 void tipout(void); 343 void user_uid(void); 344 void unexcl(void); 345 void unraw(void); 346 void v3451_abort(void); 347 void v3451_disconnect(void); 348 void v831_disconnect(void); 349 void v831_abort(void); 350 void variable(int); 351 void ven_disconnect(void); 352 void ven_abort(void); 353 void vinit(void); 354 void vlex(char *); 355