1 /* $NetBSD: tip.h,v 1.37 2022/05/22 11:27:37 andvar 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 <err.h> 46 #include <fcntl.h> 47 #include <errno.h> 48 #include <dirent.h> 49 #include <pwd.h> 50 #include <setjmp.h> 51 #include <signal.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <termios.h> 56 #include <time.h> 57 #include <unistd.h> 58 59 /* 60 * Remote host attributes 61 */ 62 extern char *DV; /* UNIX device(s) to open */ 63 extern char *EL; /* chars marking an EOL */ 64 extern char *CM; /* initial connection message */ 65 extern char *IE; /* EOT to expect on input */ 66 extern char *OE; /* EOT to send to complete FT */ 67 extern char *CU; /* call unit if making a phone call */ 68 extern char *AT; /* acu type */ 69 extern char *PN; /* phone number(s) */ 70 extern char *DI; /* disconnect string */ 71 extern char *PA; /* parity to be generated */ 72 73 extern char *PH; /* phone number file */ 74 extern char *RM; /* remote file name */ 75 extern char *HO; /* host name */ 76 77 extern long BR; /* line speed for conversation */ 78 extern long FS; /* frame size for transfers */ 79 80 extern long DU; /* this host is dialed up */ 81 extern long HW; /* this device is hardwired, see hunt.c */ 82 extern char *ES; /* escape character */ 83 extern char *EX; /* exceptions */ 84 extern char *FO; /* force (literal next) char*/ 85 extern char *RC; /* raise character */ 86 extern char *RE; /* script record file */ 87 extern char *PR; /* remote prompt */ 88 extern long DL; /* line delay for file transfers to remote */ 89 extern long CL; /* char delay for file transfers to remote */ 90 extern long ET; /* echocheck timeout */ 91 extern long HD; /* this host is half duplex - do local echo */ 92 extern char DC; /* this host is directly connected. */ 93 94 /* 95 * String value table 96 */ 97 typedef 98 struct { 99 const char *v_name; /* whose name is it */ 100 uint8_t v_type; /* for interpreting set's */ 101 uint8_t v_access; /* protection of touchy ones */ 102 const char *v_abrev; /* possible abbreviation */ 103 void *v_value; /* casted to a union later */ 104 /* 105 * XXX: this assumes that the storage space 106 * of a pointer >= that of a long 107 */ 108 } 109 value_t; 110 111 #define STRING 01 /* string valued */ 112 #define BOOL 02 /* true-false value */ 113 #define NUMBER 04 /* numeric value */ 114 #define CHAR 010 /* character value */ 115 116 #define WRITE 01 /* write access to variable */ 117 #define READ 02 /* read access */ 118 119 #define CHANGED 01 /* low bit is used to show modification */ 120 #define PUBLIC 1 /* public access rights */ 121 #define PRIVATE 03 /* private to definer */ 122 #define ROOT 05 /* root defined */ 123 124 #define TRUE 1 125 #define FALSE 0 126 127 #define ENVIRON 020 /* initialize out of the environment */ 128 #define IREMOTE 040 /* initialize out of remote structure */ 129 #define INIT 0100 /* static data space used for initialization */ 130 #define TMASK 017 131 132 /* 133 * Definition of ACU line description 134 */ 135 typedef 136 struct { 137 const char *acu_name; 138 int (*acu_dialer)(char *, char *); 139 void (*acu_disconnect)(void); 140 void (*acu_abort)(void); 141 } 142 acu_t; 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 152 153 #define number(v) ((int)(intptr_t)(v)) 154 #define boolean(v) ((short)(intptr_t)(v)) 155 #define character(v) ((char)(intptr_t)(v)) 156 #define address(v) ((long *)(intptr_t)(v)) 157 158 #define setnumber(v,n) do { (v) = (char *)(intptr_t)(n); } while (0) 159 #define setboolean(v,n) do { (v) = (char *)(intptr_t)(n); } while (0) 160 #define setcharacter(v,n) do { (v) = (char *)(intptr_t)(n); } while (0) 161 #define setaddress(v,n) do { (v) = (char *)(intptr_t)(n); } while (0) 162 163 /* 164 * Escape command table definitions -- 165 * lookup in this table is performed when ``escapec'' is recognized 166 * at the beginning of a line (as defined by the eolmarks variable). 167 */ 168 169 typedef 170 struct { 171 char e_char; /* char to match on */ 172 char e_flags; /* experimental, privileged */ 173 const char *e_help; /* help string */ 174 void (*e_func)(char); /* command */ 175 } 176 esctable_t; 177 178 #define NORM 00 /* normal protection, execute anyone */ 179 #define EXP 01 /* experimental, mark it with a `*' on help */ 180 #define PRIV 02 /* privileged, root execute only */ 181 182 extern int vflag; /* verbose during reading of .tiprc file */ 183 extern value_t vtable[]; /* variable table */ 184 185 /* 186 * Definition of indices into variable table so 187 * value(DEFINE) turns into a static address. 188 * 189 * XXX: keep in sync with vtable[] in vars.c 190 */ 191 192 #define BEAUTIFY 0 193 #define BAUDRATE 1 194 #define DIALTIMEOUT 2 195 #define EOFREAD 3 196 #define EOFWRITE 4 197 #define EOL 5 198 #define ESCAPE 6 199 #define EXCEPTIONS 7 200 #define FORCE 8 201 #define FRAMESIZE 9 202 #define HOST 10 203 #define PHONES 11 204 #define PROMPT 12 205 #define RAISE 13 206 #define RAISECHAR 14 207 #define RECORD 15 208 #define REMOTE 16 209 #define SCRIPT 17 210 #define TABEXPAND 18 211 #define VERBOSE 19 212 #define SHELL 20 213 #define HOME 21 214 #define ECHOCHECK 22 215 #define DISCONNECT 23 216 #define TAND 24 217 #define LDELAY 25 218 #define CDELAY 26 219 #define ETIMEOUT 27 220 #define RAWFTP 28 221 #define HALFDUPLEX 29 222 #define LECHO 30 223 #define PARITY 31 224 #define HARDWAREFLOW 32 225 226 extern struct termios term; /* current mode of terminal */ 227 extern struct termios defterm; /* initial mode of terminal */ 228 extern struct termios defchars; /* current mode with initial chars */ 229 230 extern FILE *fscript; /* FILE for scripting */ 231 232 extern int attndes[2]; /* coprocess wakeup channel */ 233 extern int fildes[2]; /* file transfer synchronization channel */ 234 extern int repdes[2]; /* read process synchronization channel */ 235 extern int FD; /* open file descriptor to remote host */ 236 #ifndef __lint__ /* not used by hayes.c, but used by some other dialers */ 237 extern int AC; /* open file descriptor to dialer (v831 only) */ 238 #endif /*__lint__*/ 239 extern int sfd; /* for ~< operation */ 240 extern int pid; /* pid of tipout */ 241 extern uid_t uid, euid; /* real and effective user id's */ 242 extern gid_t gid, egid; /* real and effective group id's */ 243 extern int stop; /* stop transfer session flag */ 244 extern int quit; /* same; but on other end */ 245 extern int stoprompt; /* for interrupting a prompt session */ 246 extern int timedout; /* ~> transfer timedout */ 247 extern int cumode; /* simulating the "cu" program */ 248 extern int bits8; /* terminal is in 8-bit mode */ 249 #define STRIP_PAR (bits8 ? 0377 : 0177) 250 251 extern char fname[80]; /* file name buffer for ~< */ 252 extern char copyname[80]; /* file name buffer for ~> */ 253 extern char ccc; /* synchronization character */ 254 255 extern int odisc; /* initial tty line discipline */ 256 257 extern acu_t acutable[]; 258 extern esctable_t etable[]; 259 extern unsigned char evenpartab[]; 260 261 void alrmtimeout(int); 262 int any(char, const char *); 263 void chdirectory(char); 264 void cleanup(int) __dead; 265 const char *tip_connect(void); 266 void consh(char); 267 char *ctrl(char); 268 void cumain(int, char **); 269 void cu_put(char); 270 void cu_take(char); 271 void disconnect(const char *); 272 char *expand(char *); 273 void finish(char) __dead; 274 void genbrk(char); 275 void getfl(char); 276 char *getremote(char *); 277 void hardwareflow(const char *); 278 void help(char); 279 int hunt(char *); 280 char *interp(const char *); 281 void pipefile(char); 282 void pipeout(char); 283 int prompt(const char *, char *, size_t); 284 void xpwrite(int, char *, size_t); 285 void raw(void); 286 void sendchar(char); 287 void sendfile(char); 288 void setparity(const char *); 289 void setscript(void); 290 void shell(char); 291 void suspend(char); 292 void tandem(const char *); 293 void tipabort(const char *) __dead; 294 void tipout(void) __dead; 295 int ttysetup(speed_t); 296 void unraw(void); 297 void variable(char); 298 void vinit(void); 299 char *vinterp(char *, char); 300 void vlex(char *); 301 int vstring(const char *, char *); 302 303 void biz22_abort(void); 304 void biz22_disconnect(void); 305 int biz22f_dialer(char *, char *); 306 int biz22w_dialer(char *, char *); 307 void biz31_abort(void); 308 void biz31_disconnect(void); 309 int biz31f_dialer(char *, char *); 310 int biz31w_dialer(char *, char *); 311 void cour_abort(void); 312 int cour_dialer(char *, char *); 313 void cour_disconnect(void); 314 int df02_dialer(char *, char *); 315 int df03_dialer(char *, char *); 316 void df_abort(void); 317 void df_disconnect(void); 318 void dn_abort(void); 319 int dn_dialer(char *, char *); 320 void dn_disconnect(void); 321 void hay_abort(void); 322 int hay_dialer(char *, char *); 323 void hay_disconnect(void); 324 void t3000_abort(void); 325 int t3000_dialer(char *, char *); 326 void t3000_disconnect(void); 327 void v3451_abort(void); 328 int v3451_dialer(char *, char *); 329 void v3451_disconnect(void); 330 void v831_abort(void); 331 int v831_dialer(char *, char *); 332 void v831_disconnect(void); 333 void ven_abort(void); 334 int ven_dialer(char *, char *); 335 void ven_disconnect(void); 336