1 /* $NetBSD: tip.h,v 1.16 2004/04/23 22:11:44 christos 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 int DU; /* this host is dialed up */ 83 int 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 int 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 char v_type; /* for interpreting set's */ 103 char v_access; /* protection of touchy ones */ 104 const char *v_abrev; /* possible abreviation */ 105 char *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) __P((char *, char *)); 141 void (*acu_disconnect) __P((void)); 142 void (*acu_abort) __P((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) ((long)(v)) 158 #define boolean(v) ((short)(long)(v)) 159 #define character(v) ((char)(long)(v)) 160 #define address(v) ((long *)(v)) 161 162 #define setnumber(v,n) do { (v) = (char *)(long)(n); } while (0) 163 #define setboolean(v,n) do { (v) = (char *)(long)(n); } while (0) 164 #define setcharacter(v,n) do { (v) = (char *)(long)(n); } while (0) 165 #define setaddress(v,n) do { (v) = (char *)(n); } while (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) __P((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 #ifndef ACULOG 190 #define logent(a, b, c, d) 191 #define loginit() 192 #endif 193 194 /* 195 * Definition of indices into variable table so 196 * value(DEFINE) turns into a static address. 197 * 198 * XXX: keep in sync with vtable[] in vars.c 199 */ 200 201 #define BEAUTIFY 0 202 #define BAUDRATE 1 203 #define DIALTIMEOUT 2 204 #define EOFREAD 3 205 #define EOFWRITE 4 206 #define EOL 5 207 #define ESCAPE 6 208 #define EXCEPTIONS 7 209 #define FORCE 8 210 #define FRAMESIZE 9 211 #define HOST 10 212 #define LOG 11 213 #define PHONES 12 214 #define PROMPT 13 215 #define RAISE 14 216 #define RAISECHAR 15 217 #define RECORD 16 218 #define REMOTE 17 219 #define SCRIPT 18 220 #define TABEXPAND 19 221 #define VERBOSE 20 222 #define SHELL 21 223 #define HOME 22 224 #define ECHOCHECK 23 225 #define DISCONNECT 24 226 #define TAND 25 227 #define LDELAY 26 228 #define CDELAY 27 229 #define ETIMEOUT 28 230 #define RAWFTP 29 231 #define HALFDUPLEX 30 232 #define LECHO 31 233 #define PARITY 32 234 235 struct termios term; /* current mode of terminal */ 236 struct termios defterm; /* initial mode of terminal */ 237 struct termios defchars; /* current mode with initial chars */ 238 239 FILE *fscript; /* FILE for scripting */ 240 241 int fildes[2]; /* file transfer synchronization channel */ 242 int repdes[2]; /* read process synchronization channel */ 243 int FD; /* open file descriptor to remote host */ 244 int AC; /* open file descriptor to dialer (v831 only) */ 245 int vflag; /* print .tiprc initialization sequence */ 246 int sfd; /* for ~< operation */ 247 int pid; /* pid of tipout */ 248 uid_t uid, euid; /* real and effective user id's */ 249 gid_t gid, egid; /* real and effective group id's */ 250 int stop; /* stop transfer session flag */ 251 int quit; /* same; but on other end */ 252 int intflag; /* recognized interrupt */ 253 int stoprompt; /* for interrupting a prompt session */ 254 int timedout; /* ~> transfer timedout */ 255 int cumode; /* simulating the "cu" program */ 256 int bits8; /* terminal is is 8-bit mode */ 257 #define STRIP_PAR (bits8 ? 0377 : 0177) 258 259 char fname[80]; /* file name buffer for ~< */ 260 char copyname[80]; /* file name buffer for ~> */ 261 char ccc; /* synchronization character */ 262 char ch; /* for tipout */ 263 char *uucplock; /* name of lock file for uucp's */ 264 265 int odisc; /* initial tty line discipline */ 266 extern int disc; /* current tty discpline */ 267 268 extern acu_t acutable[]; 269 extern esctable_t etable[]; 270 extern unsigned char evenpartab[]; 271 272 void alrmtimeout __P((int)); 273 int any __P((char, const char *)); 274 void chdirectory __P((char)); 275 void cleanup __P((int)); 276 const char *connect __P((void)); 277 void consh __P((char)); 278 char *ctrl __P((char)); 279 int cumain __P((int, char **)); 280 void cu_put __P((char)); 281 void cu_take __P((char)); 282 void daemon_uid __P((void)); 283 void disconnect __P((const char *)); 284 char *expand __P((char *)); 285 void finish __P((char)); 286 void genbrk __P((char)); 287 void getfl __P((char)); 288 char *getremote __P((char *)); 289 void help __P((char)); 290 int hunt __P((char *)); 291 char *interp __P((const char *)); 292 void logent __P((const char *, const char *, const char *, const char *)); 293 void loginit __P((void)); 294 void pipefile __P((char)); 295 void pipeout __P((char)); 296 int prompt __P((const char *, char *, size_t)); 297 void xpwrite __P((int, char *, int)); 298 void raw __P((void)); 299 void send __P((char)); 300 void sendfile __P((char)); 301 void setparity __P((const char *)); 302 void setscript __P((void)); 303 void shell __P((char)); 304 void shell_uid __P((void)); 305 int speed __P((int)); 306 void suspend __P((char)); 307 void tandem __P((const char *)); 308 void tipabort __P((const char *)); 309 void tipout __P((void)); 310 void ttysetup __P((int)); 311 void unraw __P((void)); 312 void user_uid __P((void)); 313 int uu_lock __P((char *)); 314 int uu_unlock __P((char *)); 315 void variable __P((char)); 316 void vinit __P((void)); 317 char *vinterp __P((char *, char)); 318 void vlex __P((char *)); 319 int vstring __P((const char *, char *)); 320 321 void biz22_abort __P((void)); 322 void biz22_disconnect __P((void)); 323 int biz22f_dialer __P((char *, char *)); 324 int biz22w_dialer __P((char *, char *)); 325 void biz31_abort __P((void)); 326 void biz31_disconnect __P((void)); 327 int biz31f_dialer __P((char *, char *)); 328 int biz31w_dialer __P((char *, char *)); 329 void cour_abort __P((void)); 330 int cour_dialer __P((char *, char *)); 331 void cour_disconnect __P((void)); 332 int df02_dialer __P((char *, char *)); 333 int df03_dialer __P((char *, char *)); 334 void df_abort __P((void)); 335 void df_disconnect __P((void)); 336 void dn_abort __P((void)); 337 int dn_dialer __P((char *, char *)); 338 void dn_disconnect __P((void)); 339 void hay_abort __P((void)); 340 int hay_dialer __P((char *, char *)); 341 void hay_disconnect __P((void)); 342 void t3000_abort __P((void)); 343 int t3000_dialer __P((char *, char *)); 344 void t3000_disconnect __P((void)); 345 void v3451_abort __P((void)); 346 int v3451_dialer __P((char *, char *)); 347 void v3451_disconnect __P((void)); 348 void v831_abort __P((void)); 349 int v831_dialer __P((char *, char *)); 350 void v831_disconnect __P((void)); 351 void ven_abort __P((void)); 352 int ven_dialer __P((char *, char *)); 353 void ven_disconnect __P((void)); 354