telnet.tproj/externs.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Copyright (c) 1988, 1990, 1993
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that the following conditions
  30  * are met:
  31  * 1. Redistributions of source code must retain the above copyright
  32  *    notice, this list of conditions and the following disclaimer.
  33  * 2. Redistributions in binary form must reproduce the above copyright
  34  *    notice, this list of conditions and the following disclaimer in the
  35  *    documentation and/or other materials provided with the distribution.
  36  * 3. All advertising materials mentioning features or use of this software
  37  *    must display the following acknowledgement:
  38  *      This product includes software developed by the University of
  39  *      California, Berkeley and its contributors.
  40  * 4. Neither the name of the University nor the names of its contributors
  41  *    may be used to endorse or promote products derived from this software
  42  *    without specific prior written permission.
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  45  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  47  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  48  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  49  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  50  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  54  * SUCH DAMAGE.
  55  *
  56  *      @(#)externs.h   8.3 (Berkeley) 5/30/95
  57  */
  58
  59 #ifndef BSD
  60 # define BSD 43
  61 #endif
  62
  63 /*
  64  * ucb stdio.h defines BSD as something wierd
  65  */
  66 #if defined(sun) && defined(__svr4__)
  67 #define BSD 43
  68 #endif
  69
  70 #ifndef USE_TERMIO
  71 # if BSD > 43 || defined(SYSV_TERMIO)
  72 #  define USE_TERMIO
  73 # endif
  74 #endif
  75
  76 #include <stdio.h>
  77 #include <setjmp.h>
  78 #if defined(CRAY) && !defined(NO_BSD_SETJMP)
  79 #include <bsdsetjmp.h>
  80 #endif
  81 #ifndef FILIO_H
  82 #include <sys/ioctl.h>
  83 #else
  84 #include <sys/filio.h>
  85 #endif
  86 #ifdef CRAY
  87 # include <errno.h>
  88 #endif /* CRAY */
  89 #ifdef  USE_TERMIO
  90 # ifndef        VINTR
  91 #  ifdef SYSV_TERMIO
  92 #   include <sys/termio.h>
  93 #  else
  94 #   include <sys/termios.h>
  95 #   define termio termios
  96 #  endif
  97 # endif
  98 #endif
  99 #if defined(NO_CC_T) || !defined(USE_TERMIO)
 100 # if !defined(USE_TERMIO)
 101 typedef char cc_t;
 102 # else
 103 typedef unsigned char cc_t;
 104 # endif
 105 #endif
 106
 107 #ifndef NO_STRING_H
 108 #include <string.h>
 109 #else
 110 #include <strings.h>
 111 #endif
 112
 113 #ifndef _POSIX_VDISABLE
 114 # ifdef sun
 115 #  include <sys/param.h>        /* pick up VDISABLE definition, mayby */
 116 # endif
 117 # ifdef VDISABLE
 118 #  define _POSIX_VDISABLE VDISABLE
 119 # else
 120 #  define _POSIX_VDISABLE ((cc_t)'\377')
 121 # endif
 122 #endif
 123
 124 #define SUBBUFSIZE      256
 125
 126 #ifndef CRAY
 127 extern int errno;               /* outside this world */
 128 #endif /* !CRAY */
 129
 130 #if     !defined(P)
 131 # ifdef __STDC__
 132 #  define       P(x)    x
 133 # else
 134 #  define       P(x)    ()
 135 # endif
 136 #endif
 137
 138 extern int
 139     autologin,          /* Autologin enabled */
 140     skiprc,             /* Don't process the ~/.telnetrc file */
 141     eight,              /* use eight bit mode (binary in and/or out */
 142     flushout,           /* flush output */
 143     connected,          /* Are we connected to the other side? */
 144     globalmode,         /* Mode tty should be in */
 145     In3270,             /* Are we in 3270 mode? */
 146     telnetport,         /* Are we connected to the telnet port? */
 147     localflow,          /* Flow control handled locally */
 148     restartany,         /* If flow control, restart output on any character */
 149     localchars,         /* we recognize interrupt/quit */
 150     donelclchars,       /* the user has set "localchars" */
 151     showoptions,
 152     net,                /* Network file descriptor */
 153     tin,                /* Terminal input file descriptor */
 154     tout,               /* Terminal output file descriptor */
 155     crlf,               /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
 156     autoflush,          /* flush output when interrupting? */
 157     autosynch,          /* send interrupt characters with SYNCH? */
 158     SYNCHing,           /* Is the stream in telnet SYNCH mode? */
 159     donebinarytoggle,   /* the user has put us in binary */
 160     dontlecho,          /* do we suppress local echoing right now? */
 161     crmod,
 162     netdata,            /* Print out network data flow */
 163     prettydump,         /* Print "netdata" output in user readable format */
 164 #if     defined(unix) || defined(__APPLE__)
 165 #if     defined(TN3270)
 166     cursesdata,         /* Print out curses data flow */
 167     apitrace,           /* Trace API transactions */
 168 #endif  /* defined(TN3270) */
 169     termdata,           /* Print out terminal data flow */
 170 #endif  /* defined(unix) || defined(__APPLE__) */
 171     debug;              /* Debug level */
 172
 173 extern cc_t escape;     /* Escape to command mode */
 174 extern cc_t rlogin;     /* Rlogin mode escape character */
 175 #ifdef  KLUDGELINEMODE
 176 extern cc_t echoc;      /* Toggle local echoing */
 177 #endif
 178
 179 extern char
 180     *prompt;            /* Prompt for command. */
 181
 182 extern char
 183     doopt[],
 184     dont[],
 185     will[],
 186     wont[],
 187     options[],          /* All the little options */
 188     *hostname;          /* Who are we connected to? */
 189 #ifdef  ENCRYPTION
 190 extern void (*encrypt_output) P((unsigned char *, int));
 191 extern int (*decrypt_input) P((int));
 192 #endif  /* ENCRYPTION */
 193
 194 /*
 195  * We keep track of each side of the option negotiation.
 196  */
 197
 198 #define MY_STATE_WILL           0x01
 199 #define MY_WANT_STATE_WILL      0x02
 200 #define MY_STATE_DO             0x04
 201 #define MY_WANT_STATE_DO        0x08
 202
 203 /*
 204  * Macros to check the current state of things
 205  */
 206
 207 #define my_state_is_do(opt)             (options[opt]&MY_STATE_DO)
 208 #define my_state_is_will(opt)           (options[opt]&MY_STATE_WILL)
 209 #define my_want_state_is_do(opt)        (options[opt]&MY_WANT_STATE_DO)
 210 #define my_want_state_is_will(opt)      (options[opt]&MY_WANT_STATE_WILL)
 211
 212 #define my_state_is_dont(opt)           (!my_state_is_do(opt))
 213 #define my_state_is_wont(opt)           (!my_state_is_will(opt))
 214 #define my_want_state_is_dont(opt)      (!my_want_state_is_do(opt))
 215 #define my_want_state_is_wont(opt)      (!my_want_state_is_will(opt))
 216
 217 #define set_my_state_do(opt)            {options[opt] |= MY_STATE_DO;}
 218 #define set_my_state_will(opt)          {options[opt] |= MY_STATE_WILL;}
 219 #define set_my_want_state_do(opt)       {options[opt] |= MY_WANT_STATE_DO;}
 220 #define set_my_want_state_will(opt)     {options[opt] |= MY_WANT_STATE_WILL;}
 221
 222 #define set_my_state_dont(opt)          {options[opt] &= ~MY_STATE_DO;}
 223 #define set_my_state_wont(opt)          {options[opt] &= ~MY_STATE_WILL;}
 224 #define set_my_want_state_dont(opt)     {options[opt] &= ~MY_WANT_STATE_DO;}
 225 #define set_my_want_state_wont(opt)     {options[opt] &= ~MY_WANT_STATE_WILL;}
 226
 227 /*
 228  * Make everything symetrical
 229  */
 230
 231 #define HIS_STATE_WILL                  MY_STATE_DO
 232 #define HIS_WANT_STATE_WILL             MY_WANT_STATE_DO
 233 #define HIS_STATE_DO                    MY_STATE_WILL
 234 #define HIS_WANT_STATE_DO               MY_WANT_STATE_WILL
 235
 236 #define his_state_is_do                 my_state_is_will
 237 #define his_state_is_will               my_state_is_do
 238 #define his_want_state_is_do            my_want_state_is_will
 239 #define his_want_state_is_will          my_want_state_is_do
 240
 241 #define his_state_is_dont               my_state_is_wont
 242 #define his_state_is_wont               my_state_is_dont
 243 #define his_want_state_is_dont          my_want_state_is_wont
 244 #define his_want_state_is_wont          my_want_state_is_dont
 245
 246 #define set_his_state_do                set_my_state_will
 247 #define set_his_state_will              set_my_state_do
 248 #define set_his_want_state_do           set_my_want_state_will
 249 #define set_his_want_state_will         set_my_want_state_do
 250
 251 #define set_his_state_dont              set_my_state_wont
 252 #define set_his_state_wont              set_my_state_dont
 253 #define set_his_want_state_dont         set_my_want_state_wont
 254 #define set_his_want_state_wont         set_my_want_state_dont
 255
 256
 257 extern FILE
 258     *NetTrace;          /* Where debugging output goes */
 259 extern unsigned char
 260     NetTraceFile[];     /* Name of file where debugging output goes */
 261 extern void
 262     SetNetTrace P((char *));    /* Function to change where debugging goes */
 263
 264 extern jmp_buf
 265     peerdied,
 266     toplevel;           /* For error conditions. */
 267
 268 extern void
 269     command P((int, char *, int)),
 270     Dump P((int, unsigned char *, int)),
 271     init_3270 P((void)),
 272     printoption P((char *, int, int)),
 273     printsub P((int, unsigned char *, int)),
 274     sendnaws P((void)),
 275     setconnmode P((int)),
 276     setcommandmode P((void)),
 277     setneturg P((void)),
 278     sys_telnet_init P((void)),
 279     telnet P((char *)),
 280     tel_enter_binary P((int)),
 281     TerminalFlushOutput P((void)),
 282     TerminalNewMode P((int)),
 283     TerminalRestoreState P((void)),
 284     TerminalSaveState P((void)),
 285     tninit P((void)),
 286     upcase P((char *)),
 287     willoption P((int)),
 288     wontoption P((int));
 289
 290 extern void
 291     send_do P((int, int)),
 292     send_dont P((int, int)),
 293     send_will P((int, int)),
 294     send_wont P((int, int));
 295
 296 extern void
 297     lm_will P((unsigned char *, int)),
 298     lm_wont P((unsigned char *, int)),
 299     lm_do P((unsigned char *, int)),
 300     lm_dont P((unsigned char *, int)),
 301     lm_mode P((unsigned char *, int, int));
 302
 303 extern void
 304     slc_init P((void)),
 305     slcstate P((void)),
 306     slc_mode_export P((void)),
 307     slc_mode_import P((int)),
 308     slc_import P((int)),
 309     slc_export P((void)),
 310     slc P((unsigned char *, int)),
 311     slc_check P((void)),
 312     slc_start_reply P((void)),
 313     slc_add_reply P((int, int, int)),
 314     slc_end_reply P((void));
 315 extern int
 316     slc_update P((void));
 317
 318 extern void
 319     env_opt P((unsigned char *, int)),
 320     env_opt_start P((void)),
 321     env_opt_start_info P((void)),
 322     env_opt_add P((unsigned char *)),
 323     env_opt_end P((int));
 324
 325 extern unsigned char
 326     *env_default P((int, int)),
 327     *env_getvalue P((unsigned char *));
 328
 329 extern int
 330     get_status P((void)),
 331     dosynch P((void));
 332
 333 extern cc_t
 334     *tcval P((int));
 335
 336 #ifndef USE_TERMIO
 337
 338 extern struct   tchars ntc;
 339 extern struct   ltchars nltc;
 340 extern struct   sgttyb nttyb;
 341
 342 # define termEofChar            ntc.t_eofc
 343 # define termEraseChar          nttyb.sg_erase
 344 # define termFlushChar          nltc.t_flushc
 345 # define termIntChar            ntc.t_intrc
 346 # define termKillChar           nttyb.sg_kill
 347 # define termLiteralNextChar    nltc.t_lnextc
 348 # define termQuitChar           ntc.t_quitc
 349 # define termSuspChar           nltc.t_suspc
 350 # define termRprntChar          nltc.t_rprntc
 351 # define termWerasChar          nltc.t_werasc
 352 # define termStartChar          ntc.t_startc
 353 # define termStopChar           ntc.t_stopc
 354 # define termForw1Char          ntc.t_brkc
 355 extern cc_t termForw2Char;
 356 extern cc_t termAytChar;
 357
 358 # define termEofCharp           (cc_t *)&ntc.t_eofc
 359 # define termEraseCharp         (cc_t *)&nttyb.sg_erase
 360 # define termFlushCharp         (cc_t *)&nltc.t_flushc
 361 # define termIntCharp           (cc_t *)&ntc.t_intrc
 362 # define termKillCharp          (cc_t *)&nttyb.sg_kill
 363 # define termLiteralNextCharp   (cc_t *)&nltc.t_lnextc
 364 # define termQuitCharp          (cc_t *)&ntc.t_quitc
 365 # define termSuspCharp          (cc_t *)&nltc.t_suspc
 366 # define termRprntCharp         (cc_t *)&nltc.t_rprntc
 367 # define termWerasCharp         (cc_t *)&nltc.t_werasc
 368 # define termStartCharp         (cc_t *)&ntc.t_startc
 369 # define termStopCharp          (cc_t *)&ntc.t_stopc
 370 # define termForw1Charp         (cc_t *)&ntc.t_brkc
 371 # define termForw2Charp         (cc_t *)&termForw2Char
 372 # define termAytCharp           (cc_t *)&termAytChar
 373
 374 # else
 375
 376 extern struct   termio new_tc;
 377
 378 # define termEofChar            new_tc.c_cc[VEOF]
 379 # define termEraseChar          new_tc.c_cc[VERASE]
 380 # define termIntChar            new_tc.c_cc[VINTR]
 381 # define termKillChar           new_tc.c_cc[VKILL]
 382 # define termQuitChar           new_tc.c_cc[VQUIT]
 383
 384 # ifndef        VSUSP
 385 extern cc_t termSuspChar;
 386 # else
 387 #  define termSuspChar          new_tc.c_cc[VSUSP]
 388 # endif
 389 # if    defined(VFLUSHO) && !defined(VDISCARD)
 390 #  define VDISCARD VFLUSHO
 391 # endif
 392 # ifndef        VDISCARD
 393 extern cc_t termFlushChar;
 394 # else
 395 #  define termFlushChar         new_tc.c_cc[VDISCARD]
 396 # endif
 397 # ifndef VWERASE
 398 extern cc_t termWerasChar;
 399 # else
 400 #  define termWerasChar         new_tc.c_cc[VWERASE]
 401 # endif
 402 # ifndef        VREPRINT
 403 extern cc_t termRprntChar;
 404 # else
 405 #  define termRprntChar         new_tc.c_cc[VREPRINT]
 406 # endif
 407 # ifndef        VLNEXT
 408 extern cc_t termLiteralNextChar;
 409 # else
 410 #  define termLiteralNextChar   new_tc.c_cc[VLNEXT]
 411 # endif
 412 # ifndef        VSTART
 413 extern cc_t termStartChar;
 414 # else
 415 #  define termStartChar         new_tc.c_cc[VSTART]
 416 # endif
 417 # ifndef        VSTOP
 418 extern cc_t termStopChar;
 419 # else
 420 #  define termStopChar          new_tc.c_cc[VSTOP]
 421 # endif
 422 # ifndef        VEOL
 423 extern cc_t termForw1Char;
 424 # else
 425 #  define termForw1Char         new_tc.c_cc[VEOL]
 426 # endif
 427 # ifndef        VEOL2
 428 extern cc_t termForw2Char;
 429 # else
 430 #  define termForw2Char         new_tc.c_cc[VEOL]
 431 # endif
 432 # ifndef        VSTATUS
 433 extern cc_t termAytChar;
 434 #else
 435 #  define termAytChar           new_tc.c_cc[VSTATUS]
 436 #endif
 437
 438 # if !defined(CRAY) || defined(__STDC__)
 439 #  define termEofCharp          &termEofChar
 440 #  define termEraseCharp        &termEraseChar
 441 #  define termIntCharp          &termIntChar
 442 #  define termKillCharp         &termKillChar
 443 #  define termQuitCharp         &termQuitChar
 444 #  define termSuspCharp         &termSuspChar
 445 #  define termFlushCharp        &termFlushChar
 446 #  define termWerasCharp        &termWerasChar
 447 #  define termRprntCharp        &termRprntChar
 448 #  define termLiteralNextCharp  &termLiteralNextChar
 449 #  define termStartCharp        &termStartChar
 450 #  define termStopCharp         &termStopChar
 451 #  define termForw1Charp        &termForw1Char
 452 #  define termForw2Charp        &termForw2Char
 453 #  define termAytCharp          &termAytChar
 454 # else
 455         /* Work around a compiler bug */
 456 #  define termEofCharp          0
 457 #  define termEraseCharp        0
 458 #  define termIntCharp          0
 459 #  define termKillCharp         0
 460 #  define termQuitCharp         0
 461 #  define termSuspCharp         0
 462 #  define termFlushCharp        0
 463 #  define termWerasCharp        0
 464 #  define termRprntCharp        0
 465 #  define termLiteralNextCharp  0
 466 #  define termStartCharp        0
 467 #  define termStopCharp         0
 468 #  define termForw1Charp        0
 469 #  define termForw2Charp        0
 470 #  define termAytCharp          0
 471 # endif
 472 #endif
 473
 474
 475 /* Ring buffer structures which are shared */
 476
 477 extern Ring
 478     netoring,
 479     netiring,
 480     ttyoring,
 481     ttyiring;
 482
 483 /* Tn3270 section */
 484 #if     defined(TN3270)
 485
 486 extern int
 487     HaveInput,          /* Whether an asynchronous I/O indication came in */
 488     noasynchtty,        /* Don't do signals on I/O (SIGURG, SIGIO) */
 489     noasynchnet,        /* Don't do signals on I/O (SIGURG, SIGIO) */
 490     sigiocount,         /* Count of SIGIO receptions */
 491     shell_active;       /* Subshell is active */
 492
 493 extern char
 494     *Ibackp,            /* Oldest byte of 3270 data */
 495     Ibuf[],             /* 3270 buffer */
 496     *Ifrontp,           /* Where next 3270 byte goes */
 497     tline[],
 498     *transcom;          /* Transparent command */
 499
 500 extern int
 501     settranscom P((int, char**));
 502
 503 extern void
 504     inputAvailable P((int));
 505 #endif  /* defined(TN3270) */