1 /* $NetBSD: tip.h,v 1.27 2006/04/03 16:13:34 tls 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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)tip.h 8.1 (Berkeley) 6/6/93 33 */ 34 35 /* 36 * tip - terminal interface program 37 */ 38 39 #include <sys/param.h> 40 #include <sys/ioctl.h> 41 #include <sys/time.h> 42 #include <sys/wait.h> 43 #include <machine/endian.h> 44 45 #include <ctype.h> 46 #include <err.h> 47 #include <fcntl.h> 48 #include <errno.h> 49 #include <libgen.h> 50 #include <dirent.h> 51 #include <pwd.h> 52 #include <setjmp.h> 53 #include <signal.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <termios.h> 58 #include <time.h> 59 #include <unistd.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 long DU; /* this host is dialed up */ 83 long 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 HD; /* this host is half duplex - do local echo */ 94 char DC; /* this host is directly connected. */ 95 96 /* 97 * String value table 98 */ 99 typedef 100 struct { 101 const char *v_name; /* whose name is it */ 102 uint8_t v_type; /* for interpreting set's */ 103 uint8_t v_access; /* protection of touchy ones */ 104 const char *v_abrev; /* possible abreviation */ 105 void *v_value; /* casted to a union later */ 106 /* 107 * XXX: this assumes that the storage space 108 * of a pointer >= that of a long 109 */ 110 } 111 value_t; 112 113 #define STRING 01 /* string valued */ 114 #define BOOL 02 /* true-false value */ 115 #define NUMBER 04 /* numeric value */ 116 #define CHAR 010 /* character value */ 117 118 #define WRITE 01 /* write access to variable */ 119 #define READ 02 /* read access */ 120 121 #define CHANGED 01 /* low bit is used to show modification */ 122 #define PUBLIC 1 /* public access rights */ 123 #define PRIVATE 03 /* private to definer */ 124 #define ROOT 05 /* root defined */ 125 126 #define TRUE 1 127 #define FALSE 0 128 129 #define ENVIRON 020 /* initialize out of the environment */ 130 #define IREMOTE 040 /* initialize out of remote structure */ 131 #define INIT 0100 /* static data space used for initialization */ 132 #define TMASK 017 133 134 /* 135 * Definition of ACU line description 136 */ 137 typedef 138 struct { 139 const char *acu_name; 140 int (*acu_dialer)(char *, char *); 141 void (*acu_disconnect)(void); 142 void (*acu_abort)(void); 143 } 144 acu_t; 145 146 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 147 148 /* 149 * variable manipulation stuff -- 150 * if we defined the value entry in value_t, then we couldn't 151 * initialize it in vars.c, so we cast it as needed to keep lint 152 * happy. 153 */ 154 155 #define value(v) vtable[v].v_value 156 157 #define number(v) ((int)(intptr_t)(v)) 158 #define boolean(v) ((short)(intptr_t)(v)) 159 #define character(v) ((char)(intptr_t)(v)) 160 #define address(v) ((long *)(intptr_t)(v)) 161 162 #define setnumber(v,n) do { (v) = (char *)(intptr_t)(n); } while (/*CONSTCOND*/0) 163 #define setboolean(v,n) do { (v) = (char *)(intptr_t)(n); } while (/*CONSTCOND*/0) 164 #define setcharacter(v,n) do { (v) = (char *)(intptr_t)(n); } while (/*CONSTCOND*/0) 165 #define setaddress(v,n) do { (v) = (char *)(intptr_t)(n); } while (/*CONSTCOND*/0) 166 167 /* 168 * Escape command table definitions -- 169 * lookup in this table is performed when ``escapec'' is recognized 170 * at the begining of a line (as defined by the eolmarks variable). 171 */ 172 173 typedef 174 struct { 175 char e_char; /* char to match on */ 176 char e_flags; /* experimental, privileged */ 177 const char *e_help; /* help string */ 178 void (*e_func)(char); /* command */ 179 } 180 esctable_t; 181 182 #define NORM 00 /* normal protection, execute anyone */ 183 #define EXP 01 /* experimental, mark it with a `*' on help */ 184 #define PRIV 02 /* privileged, root execute only */ 185 186 extern int vflag; /* verbose during reading of .tiprc file */ 187 extern value_t vtable[]; /* variable table */ 188 189 /* 190 * Definition of indices into variable table so 191 * value(DEFINE) turns into a static address. 192 * 193 * XXX: keep in sync with vtable[] in vars.c 194 */ 195 196 #define BEAUTIFY 0 197 #define BAUDRATE 1 198 #define DIALTIMEOUT 2 199 #define EOFREAD 3 200 #define EOFWRITE 4 201 #define EOL 5 202 #define ESCAPE 6 203 #define EXCEPTIONS 7 204 #define FORCE 8 205 #define FRAMESIZE 9 206 #define HOST 10 207 #define PHONES 11 208 #define PROMPT 12 209 #define RAISE 13 210 #define RAISECHAR 14 211 #define RECORD 15 212 #define REMOTE 16 213 #define SCRIPT 17 214 #define TABEXPAND 18 215 #define VERBOSE 19 216 #define SHELL 20 217 #define HOME 21 218 #define ECHOCHECK 22 219 #define DISCONNECT 23 220 #define TAND 24 221 #define LDELAY 25 222 #define CDELAY 26 223 #define ETIMEOUT 27 224 #define RAWFTP 28 225 #define HALFDUPLEX 29 226 #define LECHO 30 227 #define PARITY 31 228 #define HARDWAREFLOW 32 229 230 struct termios term; /* current mode of terminal */ 231 struct termios defterm; /* initial mode of terminal */ 232 struct termios defchars; /* current mode with initial chars */ 233 234 FILE *fscript; /* FILE for scripting */ 235 236 int attndes[2]; /* coprocess wakeup channel */ 237 int fildes[2]; /* file transfer synchronization channel */ 238 int repdes[2]; /* read process synchronization channel */ 239 int FD; /* open file descriptor to remote host */ 240 int AC; /* open file descriptor to dialer (v831 only) */ 241 int vflag; /* print .tiprc initialization sequence */ 242 int sfd; /* for ~< operation */ 243 int pid; /* pid of tipout */ 244 uid_t uid, euid; /* real and effective user id's */ 245 gid_t gid, egid; /* real and effective group id's */ 246 int stop; /* stop transfer session flag */ 247 int quit; /* same; but on other end */ 248 int intflag; /* recognized interrupt */ 249 int stoprompt; /* for interrupting a prompt session */ 250 int timedout; /* ~> transfer timedout */ 251 int cumode; /* simulating the "cu" program */ 252 int bits8; /* terminal is is 8-bit mode */ 253 #define STRIP_PAR (bits8 ? 0377 : 0177) 254 255 char fname[80]; /* file name buffer for ~< */ 256 char copyname[80]; /* file name buffer for ~> */ 257 char ccc; /* synchronization character */ 258 char ch; /* for tipout */ 259 260 int odisc; /* initial tty line discipline */ 261 extern int disc; /* current tty discpline */ 262 263 extern acu_t acutable[]; 264 extern esctable_t etable[]; 265 extern unsigned char evenpartab[]; 266 267 void alrmtimeout(int); 268 int any(char, const char *); 269 void chdirectory(char); 270 void cleanup(int); 271 const char *connect(void); 272 void consh(char); 273 char *ctrl(char); 274 void cumain(int, char **); 275 void cu_put(char); 276 void cu_take(char); 277 void disconnect(const char *); 278 char *expand(char *); 279 void finish(char); 280 void genbrk(char); 281 void getfl(char); 282 char *getremote(char *); 283 void hardwareflow(const char *); 284 void help(char); 285 int hunt(char *); 286 char *interp(const char *); 287 void pipefile(char); 288 void pipeout(char); 289 int prompt(const char *, char *, size_t); 290 void xpwrite(int, char *, size_t); 291 void raw(void); 292 void sendchar(char); 293 void sendfile(char); 294 void setparity(const char *); 295 void setscript(void); 296 void shell(char); 297 void suspend(char); 298 void tandem(const char *); 299 void tipabort(const char *); 300 void tipout(void); 301 int ttysetup(speed_t); 302 void unraw(void); 303 void variable(char); 304 void vinit(void); 305 char *vinterp(char *, char); 306 void vlex(char *); 307 int vstring(const char *, char *); 308 309 void biz22_abort(void); 310 void biz22_disconnect(void); 311 int biz22f_dialer(char *, char *); 312 int biz22w_dialer(char *, char *); 313 void biz31_abort(void); 314 void biz31_disconnect(void); 315 int biz31f_dialer(char *, char *); 316 int biz31w_dialer(char *, char *); 317 void cour_abort(void); 318 int cour_dialer(char *, char *); 319 void cour_disconnect(void); 320 int df02_dialer(char *, char *); 321 int df03_dialer(char *, char *); 322 void df_abort(void); 323 void df_disconnect(void); 324 void dn_abort(void); 325 int dn_dialer(char *, char *); 326 void dn_disconnect(void); 327 void hay_abort(void); 328 int hay_dialer(char *, char *); 329 void hay_disconnect(void); 330 void t3000_abort(void); 331 int t3000_dialer(char *, char *); 332 void t3000_disconnect(void); 333 void v3451_abort(void); 334 int v3451_dialer(char *, char *); 335 void v3451_disconnect(void); 336 void v831_abort(void); 337 int v831_dialer(char *, char *); 338 void v831_disconnect(void); 339 void ven_abort(void); 340 int ven_dialer(char *, char *); 341 void ven_disconnect(void); 342