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. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)tip.h 8.1 (Berkeley) 6/6/93 31 * 32 * $FreeBSD: src/usr.bin/tip/tip/tip.h,v 1.5.2.1 2000/07/01 12:24:23 ps Exp $ 33 */ 34 35 /* 36 * tip - terminal interface program 37 */ 38 39 #include <sys/types.h> 40 #include <machine/endian.h> 41 #include <sys/file.h> 42 #include <sys/time.h> 43 #include <limits.h> 44 45 #include <sys/ioctl.h> /* for TIOCHPCL */ 46 #include <sys/filio.h> /* for FIONREAD */ 47 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 <termios.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 char *LI; /* login script */ 78 char *LO; /* logout script */ 79 80 long BR; /* line speed for conversation */ 81 long FS; /* frame size for transfers */ 82 83 char DU; /* this host is dialed up */ 84 char HW; /* this device is hardwired, see hunt.c */ 85 char *ES; /* escape character */ 86 char *EX; /* exceptions */ 87 char *FO; /* force (literal next) char*/ 88 char *RC; /* raise character */ 89 char *RE; /* script record file */ 90 char *PR; /* remote prompt */ 91 long DL; /* line delay for file transfers to remote */ 92 long CL; /* char delay for file transfers to remote */ 93 long ET; /* echocheck timeout */ 94 char 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 abreviation */ 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 typedef 151 union { 152 int zz_number; 153 short zz_boolean[2]; 154 char zz_character[4]; 155 int *zz_address; 156 } 157 zzhack; 158 159 #define value(v) vtable[v].v_value 160 161 #define number(v) ((((zzhack *)(&(v))))->zz_number) 162 163 #if BYTE_ORDER == LITTLE_ENDIAN 164 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0]) 165 #define character(v) ((((zzhack *)(&(v))))->zz_character[0]) 166 #endif 167 168 #if BYTE_ORDER == BIG_ENDIAN 169 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1]) 170 #define character(v) ((((zzhack *)(&(v))))->zz_character[3]) 171 #endif 172 173 #define address(v) ((((zzhack *)(&(v))))->zz_address) 174 175 /* 176 * Escape command table definitions -- 177 * lookup in this table is performed when ``escapec'' is recognized 178 * at the begining of a line (as defined by the eolmarks variable). 179 */ 180 181 typedef 182 struct { 183 char e_char; /* char to match on */ 184 char e_flags; /* experimental, priviledged */ 185 char *e_help; /* help string */ 186 void (*e_func)(int); /* command */ 187 } 188 esctable_t; 189 190 #define NORM 00 /* normal protection, execute anyone */ 191 #define EXP 01 /* experimental, mark it with a `*' on help */ 192 #define PRIV 02 /* priviledged, root execute only */ 193 194 extern int vflag; /* verbose during reading of .tiprc file */ 195 extern value_t vtable[]; /* variable table */ 196 197 void logent(char *, char *, char *, char*); 198 void loginit(void); 199 200 /* 201 * Definition of indices into variable table so 202 * value(DEFINE) turns into a static address. 203 */ 204 205 /* 206 'a,.!awk '{ printf("\%s \%s \%d\n", $1, $2, NR - 1); }' 207 */ 208 209 #define BEAUTIFY 0 210 #define BAUDRATE 1 211 #define DIALTIMEOUT 2 212 #define EOFREAD 3 213 #define EOFWRITE 4 214 #define EOL 5 215 #define ESCAPE 6 216 #define EXCEPTIONS 7 217 #define FORCE 8 218 #define FRAMESIZE 9 219 #define HOST 10 220 #define LOG 11 221 #define LOGIN 12 222 #define LOGOUT 13 223 #define PHONES 14 224 #define PROMPT 15 225 #define RAISE 16 226 #define RAISECHAR 17 227 #define RECORD 18 228 #define REMOTE 19 229 #define SCRIPT 20 230 #define TABEXPAND 21 231 #define VERBOSE 22 232 #define SHELL 23 233 #define HOME 24 234 #define ECHOCHECK 25 235 #define DISCONNECT 26 236 #define TAND 27 237 #define LDELAY 28 238 #define CDELAY 29 239 #define ETIMEOUT 30 240 #define RAWFTP 31 241 #define HALFDUPLEX 32 242 #define LECHO 33 243 #define PARITY 34 244 245 /* 246 Specify default bit rate for connections 247 */ 248 #define DEFBR 1200 249 250 struct termios otermios; 251 struct termios ctermios; 252 253 FILE *fscript; /* FILE for scripting */ 254 255 int fildes[2]; /* file transfer synchronization channel */ 256 int repdes[2]; /* read process sychronization channel */ 257 int FD; /* open file descriptor to remote host */ 258 int AC; /* open file descriptor to dialer (v831 only) */ 259 int vflag; /* print .tiprc initialization sequence */ 260 int sfd; /* for ~< operation */ 261 int pid; /* pid of tipout */ 262 uid_t uid, euid; /* real and effective user id's */ 263 gid_t gid, egid; /* real and effective group id's */ 264 int stop; /* stop transfer session flag */ 265 int quit; /* same; but on other end */ 266 int intflag; /* recognized interrupt */ 267 int stoprompt; /* for interrupting a prompt session */ 268 int timedout; /* ~> transfer timedout */ 269 int cumode; /* simulating the "cu" program */ 270 271 char fname[PATH_MAX]; /* file name buffer for ~< */ 272 char copyname[PATH_MAX]; /* file name buffer for ~> */ 273 char ccc; /* synchronization character */ 274 char ch; /* for tipout */ 275 char *uucplock; /* name of lock file for uucp's */ 276 277 int odisc; /* initial tty line discipline */ 278 extern int disc; /* current tty discpline */ 279 280 char *ctrl(char); 281 char *vinterp(char *, char); 282 char *connect(void); 283 int size(char *); 284 int any(char, char *); 285 void setscript(void); 286 void tipout(void) __dead2; 287 void vinit(void); 288 long hunt(char *); 289 int vstring(char *, char *); 290 void setparity(char *); 291 void vlex(char *); 292 void daemon_uid(void); 293 void disconnect(char *); 294 void shell_uid(void); 295 void unraw(void); 296 void user_uid(void); 297 void xpwrite(int, char *, int); 298 int prompt(char *, char *, size_t); 299 void tipabort(char *) __dead2; 300 void cumain(int, char **) __dead2; 301 char *getremote(char *); 302 char *interp(char *); 303 304 void chdirectory(int); 305 void cleanup(int) __dead2; 306 void consh(int); 307 void cu_put(int); 308 void cu_take(int); 309 void dollar(int); 310 char *expand(char *); 311 void finish(int) __dead2; 312 void genbrk(int); 313 void getfl(int); 314 void help(int); 315 void pipefile(int); 316 void pipeout(int); 317 void sendfile(int); 318 void shell(int); 319 int speed(int); 320 void suspend(int); 321 void timeoutfunc(int); 322 void ttysetup(int); 323 void variable(int); 324 325 void biz22_abort(void); 326 int biz22f_dialer(char *, char *); 327 int biz22w_dialer(char *, char *); 328 void biz22_disconnect(void); 329 330 void cour_abort(void); 331 int cour_dialer(char *, char *); 332 void cour_disconnect(void); 333 334 void df_abort(void); 335 int df02_dialer(char *, char *); 336 int df03_dialer(char *, char *); 337 void df_disconnect(void); 338 339 void dn_abort(void); 340 int dn_dialer(char *, char *); 341 void dn_disconnect(void); 342 343 void hay_abort(void); 344 int hay_dialer(char *, char *); 345 void hay_disconnect(void); 346 347 void multitech_abort(void); 348 int multitech_dialer(char *, char *); 349 void multitech_disconnect(void); 350 351 void t3000_abort(void); 352 int t3000_dialer(char *, char *); 353 void t3000_disconnect(void); 354 355 acu_t *unidialer_getmodem(const char *); 356 357 void v3451_abort(void); 358 int v3451_dialer(char *, char *); 359 void v3451_disconnect(void); 360 361 void v831_abort(void); 362 int v831_dialer(char *, char *); 363 void v831_disconnect(void); 364 365 void ven_abort(void); 366 int ven_dialer(char *, char *); 367 void ven_disconnect(void); 368 369 #define TL_VERBOSE 0x00000001 370 #define TL_SIGNAL_TIPOUT 0x00000002 371 372 int tiplink(char *cmd, unsigned int flags); 373 void raw(void); 374 375 /* end of tip.h */ 376