externs.h revision 1.13
1 /* $NetBSD: externs.h,v 1.13 1998/12/20 14:48:33 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)externs.h 8.3 (Berkeley) 5/30/95 36 */ 37 38 #ifndef BSD 39 # define BSD 43 40 #endif 41 42 /* 43 * ucb stdio.h defines BSD as something wierd 44 */ 45 #if defined(sun) && defined(__svr4__) && !defined(BSD) 46 #define BSD 43 47 #endif 48 49 #ifndef USE_TERMIO 50 # if BSD > 43 || defined(SYSV_TERMIO) 51 # define USE_TERMIO 52 # endif 53 #endif 54 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <setjmp.h> 58 #if defined(CRAY) && !defined(NO_BSD_SETJMP) 59 #include <bsdsetjmp.h> 60 #endif 61 #ifndef FILIO_H 62 #include <sys/ioctl.h> 63 #else 64 #include <sys/filio.h> 65 #endif 66 #ifdef CRAY 67 # include <errno.h> 68 #endif /* CRAY */ 69 #ifdef USE_TERMIO 70 # ifndef VINTR 71 # ifdef SYSV_TERMIO 72 # include <sys/termio.h> 73 # else 74 # include <sys/termios.h> 75 # define termio termios 76 # endif 77 # else 78 # if defined(TCSANOW) 79 # define termio termios 80 # endif 81 # endif 82 #endif 83 #if defined(NO_CC_T) || !defined(USE_TERMIO) 84 # if !defined(USE_TERMIO) 85 typedef char cc_t; 86 # else 87 typedef unsigned char cc_t; 88 # endif 89 #endif 90 91 #ifndef NO_STRING_H 92 #include <string.h> 93 #else 94 #include <strings.h> 95 #endif 96 97 #ifndef _POSIX_VDISABLE 98 # ifdef sun 99 # include <sys/param.h> /* pick up VDISABLE definition, mayby */ 100 # endif 101 # ifdef VDISABLE 102 # define _POSIX_VDISABLE VDISABLE 103 # else 104 # define _POSIX_VDISABLE ((cc_t)'\377') 105 # endif 106 #endif 107 108 #define SUBBUFSIZE 256 109 110 #ifndef CRAY 111 extern int errno; /* outside this world */ 112 #endif /* !CRAY */ 113 114 #include <sys/cdefs.h> 115 #define P __P 116 117 extern int 118 autologin, /* Autologin enabled */ 119 skiprc, /* Don't process the ~/.telnetrc file */ 120 eight, /* use eight bit mode (binary in and/or out */ 121 flushout, /* flush output */ 122 connected, /* Are we connected to the other side? */ 123 globalmode, /* Mode tty should be in */ 124 In3270, /* Are we in 3270 mode? */ 125 telnetport, /* Are we connected to the telnet port? */ 126 localflow, /* Flow control handled locally */ 127 restartany, /* If flow control, restart output on any character */ 128 localchars, /* we recognize interrupt/quit */ 129 donelclchars, /* the user has set "localchars" */ 130 showoptions, 131 net, /* Network file descriptor */ 132 tin, /* Terminal input file descriptor */ 133 tout, /* Terminal output file descriptor */ 134 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */ 135 autoflush, /* flush output when interrupting? */ 136 autosynch, /* send interrupt characters with SYNCH? */ 137 SYNCHing, /* Is the stream in telnet SYNCH mode? */ 138 donebinarytoggle, /* the user has put us in binary */ 139 dontlecho, /* do we suppress local echoing right now? */ 140 crmod, 141 netdata, /* Print out network data flow */ 142 prettydump, /* Print "netdata" output in user readable format */ 143 #if defined(unix) 144 #if defined(TN3270) 145 cursesdata, /* Print out curses data flow */ 146 apitrace, /* Trace API transactions */ 147 #endif /* defined(TN3270) */ 148 termdata, /* Print out terminal data flow */ 149 #endif /* defined(unix) */ 150 debug, /* Debug level */ 151 clienteof; /* Client received EOF */ 152 153 extern cc_t escape; /* Escape to command mode */ 154 extern cc_t rlogin; /* Rlogin mode escape character */ 155 #ifdef KLUDGELINEMODE 156 extern cc_t echoc; /* Toggle local echoing */ 157 #endif 158 159 extern char 160 *prompt; /* Prompt for command. */ 161 162 extern char 163 doopt[], 164 dont[], 165 will[], 166 wont[], 167 options[], /* All the little options */ 168 *hostname; /* Who are we connected to? */ 169 170 /* 171 * We keep track of each side of the option negotiation. 172 */ 173 174 #define MY_STATE_WILL 0x01 175 #define MY_WANT_STATE_WILL 0x02 176 #define MY_STATE_DO 0x04 177 #define MY_WANT_STATE_DO 0x08 178 179 /* 180 * Macros to check the current state of things 181 */ 182 183 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 184 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 185 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 186 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 187 188 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 189 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 190 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 191 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 192 193 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 194 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 195 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 196 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 197 198 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 199 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 200 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 201 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 202 203 /* 204 * Make everything symetrical 205 */ 206 207 #define HIS_STATE_WILL MY_STATE_DO 208 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 209 #define HIS_STATE_DO MY_STATE_WILL 210 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 211 212 #define his_state_is_do my_state_is_will 213 #define his_state_is_will my_state_is_do 214 #define his_want_state_is_do my_want_state_is_will 215 #define his_want_state_is_will my_want_state_is_do 216 217 #define his_state_is_dont my_state_is_wont 218 #define his_state_is_wont my_state_is_dont 219 #define his_want_state_is_dont my_want_state_is_wont 220 #define his_want_state_is_wont my_want_state_is_dont 221 222 #define set_his_state_do set_my_state_will 223 #define set_his_state_will set_my_state_do 224 #define set_his_want_state_do set_my_want_state_will 225 #define set_his_want_state_will set_my_want_state_do 226 227 #define set_his_state_dont set_my_state_wont 228 #define set_his_state_wont set_my_state_dont 229 #define set_his_want_state_dont set_my_want_state_wont 230 #define set_his_want_state_wont set_my_want_state_dont 231 232 233 extern FILE 234 *NetTrace; /* Where debugging output goes */ 235 extern unsigned char 236 NetTraceFile[]; /* Name of file where debugging output goes */ 237 238 extern jmp_buf 239 peerdied, 240 toplevel; /* For error conditions. */ 241 242 243 /* authenc.c */ 244 int net_write P((unsigned char *, int)); 245 void net_encrypt P((void)); 246 int telnet_spin P((void)); 247 char *telnet_getenv P((char *)); 248 char *telnet_gets P((char *, char *, int, int)); 249 250 /* commands.c */ 251 int send_tncmd P((void (*)(int, int), char *, char *)); 252 void _setlist_init P((void)); 253 void set_escape_char P((char *)); 254 int set_mode P((int)); 255 int clear_mode P((int)); 256 int modehelp P((int)); 257 int suspend P((int, char *[])); 258 int shell P((int, char *[])); 259 int quit P((int, char *[])); 260 int logout P((int, char *[])); 261 int env_cmd P((int, char *[])); 262 struct env_lst *env_find P((unsigned char *)); 263 void env_init P((void)); 264 struct env_lst *env_define P((unsigned char *, unsigned char *)); 265 struct env_lst *env_undefine P((unsigned char *, unsigned char *)); 266 struct env_lst *env_export P((unsigned char *, unsigned char *)); 267 struct env_lst *env_unexport P((unsigned char *, unsigned char *)); 268 struct env_lst *env_send P((unsigned char *, unsigned char *)); 269 struct env_lst *env_list P((unsigned char *, unsigned char *)); 270 unsigned char *env_default P((int, int )); 271 unsigned char *env_getvalue P((unsigned char *)); 272 void env_varval P((unsigned char *)); 273 int auth_cmd P((int, char *[])); 274 int ayt_status P((void)); 275 int tn P((int, char *[])); 276 void command P((int, char *, int)); 277 void cmdrc P((const char *, const char *)); 278 unsigned long sourceroute P((char *, char **, unsigned long *)); 279 280 /* main.c */ 281 void tninit P((void)); 282 void usage P((void)); 283 284 /* network.c */ 285 void init_network P((void)); 286 int stilloob P((void)); 287 void setneturg P((void)); 288 int netflush P((void)); 289 290 /* sys_bsd.c */ 291 void init_sys P((void)); 292 int TerminalWrite P((char *, int)); 293 int TerminalRead P((unsigned char *, int)); 294 int TerminalAutoFlush P((void)); 295 int TerminalSpecialChars P((int)); 296 void TerminalFlushOutput P((void)); 297 void TerminalSaveState P((void)); 298 cc_t *tcval P((int)); 299 void TerminalDefaultChars P((void)); 300 void TerminalRestoreState P((void)); 301 void TerminalNewMode P((int)); 302 void TerminalSpeeds P((long *, long *)); 303 int TerminalWindowSize P((long *, long *)); 304 int NetClose P((int)); 305 void NetNonblockingIO P((int, int)); 306 void NetSigIO P((int, int)); 307 void NetSetPgrp P((int)); 308 void sys_telnet_init P((void)); 309 int process_rings P((int , int , int , int , int , int)); 310 311 /* telnet.c */ 312 void init_telnet P((void)); 313 void send_do P((int, int )); 314 void send_dont P((int, int )); 315 void send_will P((int, int )); 316 void send_wont P((int, int )); 317 void willoption P((int)); 318 void wontoption P((int)); 319 char **mklist P((char *, char *)); 320 int is_unique P((char *, char **, char **)); 321 int setup_term P((char *, int, int *)); 322 char *gettermname P((void)); 323 void lm_will P((unsigned char *, int)); 324 void lm_wont P((unsigned char *, int)); 325 void lm_do P((unsigned char *, int)); 326 void lm_dont P((unsigned char *, int)); 327 void lm_mode P((unsigned char *, int, int )); 328 void slc_init P((void)); 329 void slcstate P((void)); 330 void slc_mode_export P((int)); 331 void slc_mode_import P((int)); 332 void slc_import P((int)); 333 void slc_export P((void)); 334 void slc P((unsigned char *, int)); 335 void slc_check P((void)); 336 void slc_start_reply P((void)); 337 void slc_add_reply P((unsigned int, unsigned int, cc_t)); 338 void slc_end_reply P((void)); 339 int slc_update P((void)); 340 void env_opt P((unsigned char *, int)); 341 void env_opt_start P((void)); 342 void env_opt_start_info P((void)); 343 void env_opt_add P((unsigned char *)); 344 int opt_welldefined P((char *)); 345 void env_opt_end P((int)); 346 int telrcv P((void)); 347 int rlogin_susp P((void)); 348 int Scheduler P((int)); 349 void telnet P((const char *)); 350 void xmitAO P((void)); 351 void xmitEL P((void)); 352 void xmitEC P((void)); 353 int dosynch P((char *)); 354 int get_status P((char *)); 355 void intp P((void)); 356 void sendbrk P((void)); 357 void sendabort P((void)); 358 void sendsusp P((void)); 359 void sendeof P((void)); 360 void sendayt P((void)); 361 void sendnaws P((void)); 362 void tel_enter_binary P((int)); 363 void tel_leave_binary P((int)); 364 365 /* terminal.c */ 366 void init_terminal P((void)); 367 int ttyflush P((int)); 368 int getconnmode P((void)); 369 void setconnmode P((int)); 370 void setcommandmode P((void)); 371 372 /* utilities.c */ 373 void upcase P((char *)); 374 int SetSockOpt P((int, int , int , int )); 375 void SetNetTrace P((char *)); 376 void Dump P((int, unsigned char *, int)); 377 void printoption P((char *, int, int )); 378 void optionstatus P((void)); 379 void printsub P((int, unsigned char *, int)); 380 void EmptyTerminal P((void)); 381 void SetForExit P((void)); 382 void Exit P((int)) __attribute__((__noreturn__)); 383 void ExitString P((char *, int)) __attribute__((__noreturn__)); 384 385 #ifndef USE_TERMIO 386 387 extern struct tchars ntc; 388 extern struct ltchars nltc; 389 extern struct sgttyb nttyb; 390 391 # define termEofChar ntc.t_eofc 392 # define termEraseChar nttyb.sg_erase 393 # define termFlushChar nltc.t_flushc 394 # define termIntChar ntc.t_intrc 395 # define termKillChar nttyb.sg_kill 396 # define termLiteralNextChar nltc.t_lnextc 397 # define termQuitChar ntc.t_quitc 398 # define termSuspChar nltc.t_suspc 399 # define termRprntChar nltc.t_rprntc 400 # define termWerasChar nltc.t_werasc 401 # define termStartChar ntc.t_startc 402 # define termStopChar ntc.t_stopc 403 # define termForw1Char ntc.t_brkc 404 extern cc_t termForw2Char; 405 extern cc_t termAytChar; 406 407 # define termEofCharp (cc_t *)&ntc.t_eofc 408 # define termEraseCharp (cc_t *)&nttyb.sg_erase 409 # define termFlushCharp (cc_t *)&nltc.t_flushc 410 # define termIntCharp (cc_t *)&ntc.t_intrc 411 # define termKillCharp (cc_t *)&nttyb.sg_kill 412 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 413 # define termQuitCharp (cc_t *)&ntc.t_quitc 414 # define termSuspCharp (cc_t *)&nltc.t_suspc 415 # define termRprntCharp (cc_t *)&nltc.t_rprntc 416 # define termWerasCharp (cc_t *)&nltc.t_werasc 417 # define termStartCharp (cc_t *)&ntc.t_startc 418 # define termStopCharp (cc_t *)&ntc.t_stopc 419 # define termForw1Charp (cc_t *)&ntc.t_brkc 420 # define termForw2Charp (cc_t *)&termForw2Char 421 # define termAytCharp (cc_t *)&termAytChar 422 423 # else 424 425 extern struct termio new_tc; 426 427 # define termEofChar new_tc.c_cc[VEOF] 428 # define termEraseChar new_tc.c_cc[VERASE] 429 # define termIntChar new_tc.c_cc[VINTR] 430 # define termKillChar new_tc.c_cc[VKILL] 431 # define termQuitChar new_tc.c_cc[VQUIT] 432 433 # ifndef VSUSP 434 extern cc_t termSuspChar; 435 # else 436 # define termSuspChar new_tc.c_cc[VSUSP] 437 # endif 438 # if defined(VFLUSHO) && !defined(VDISCARD) 439 # define VDISCARD VFLUSHO 440 # endif 441 # ifndef VDISCARD 442 extern cc_t termFlushChar; 443 # else 444 # define termFlushChar new_tc.c_cc[VDISCARD] 445 # endif 446 # ifndef VWERASE 447 extern cc_t termWerasChar; 448 # else 449 # define termWerasChar new_tc.c_cc[VWERASE] 450 # endif 451 # ifndef VREPRINT 452 extern cc_t termRprntChar; 453 # else 454 # define termRprntChar new_tc.c_cc[VREPRINT] 455 # endif 456 # ifndef VLNEXT 457 extern cc_t termLiteralNextChar; 458 # else 459 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 460 # endif 461 # ifndef VSTART 462 extern cc_t termStartChar; 463 # else 464 # define termStartChar new_tc.c_cc[VSTART] 465 # endif 466 # ifndef VSTOP 467 extern cc_t termStopChar; 468 # else 469 # define termStopChar new_tc.c_cc[VSTOP] 470 # endif 471 # ifndef VEOL 472 extern cc_t termForw1Char; 473 # else 474 # define termForw1Char new_tc.c_cc[VEOL] 475 # endif 476 # ifndef VEOL2 477 extern cc_t termForw2Char; 478 # else 479 # define termForw2Char new_tc.c_cc[VEOL] 480 # endif 481 # ifndef VSTATUS 482 extern cc_t termAytChar; 483 #else 484 # define termAytChar new_tc.c_cc[VSTATUS] 485 #endif 486 487 # if !defined(CRAY) || defined(__STDC__) 488 # define termEofCharp &termEofChar 489 # define termEraseCharp &termEraseChar 490 # define termIntCharp &termIntChar 491 # define termKillCharp &termKillChar 492 # define termQuitCharp &termQuitChar 493 # define termSuspCharp &termSuspChar 494 # define termFlushCharp &termFlushChar 495 # define termWerasCharp &termWerasChar 496 # define termRprntCharp &termRprntChar 497 # define termLiteralNextCharp &termLiteralNextChar 498 # define termStartCharp &termStartChar 499 # define termStopCharp &termStopChar 500 # define termForw1Charp &termForw1Char 501 # define termForw2Charp &termForw2Char 502 # define termAytCharp &termAytChar 503 # else 504 /* Work around a compiler bug */ 505 # define termEofCharp 0 506 # define termEraseCharp 0 507 # define termIntCharp 0 508 # define termKillCharp 0 509 # define termQuitCharp 0 510 # define termSuspCharp 0 511 # define termFlushCharp 0 512 # define termWerasCharp 0 513 # define termRprntCharp 0 514 # define termLiteralNextCharp 0 515 # define termStartCharp 0 516 # define termStopCharp 0 517 # define termForw1Charp 0 518 # define termForw2Charp 0 519 # define termAytCharp 0 520 # endif 521 #endif 522 523 524 /* Tn3270 section */ 525 #if defined(TN3270) 526 527 extern int 528 HaveInput, /* Whether an asynchronous I/O indication came in */ 529 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 530 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 531 sigiocount, /* Count of SIGIO receptions */ 532 shell_active; /* Subshell is active */ 533 534 extern char 535 *Ibackp, /* Oldest byte of 3270 data */ 536 Ibuf[], /* 3270 buffer */ 537 *Ifrontp, /* Where next 3270 byte goes */ 538 tline[], 539 *transcom; /* Transparent command */ 540 541 /* tn3270.c */ 542 void init_3270 P((void)); 543 int DataToNetwork P((char *, int, int)); 544 void inputAvailable P((int)); 545 void outputPurge P((void)); 546 int DataToTerminal P((char *, int)); 547 int Push3270 P((void)); 548 void Finish3270 P((void)); 549 void StringToTerminal P((char *)); 550 void _putchar P((int)); 551 void SetIn3270 P((void)); 552 int tn3270_ttype P((void)); 553 int settranscom P((int, char *[])); 554 int shell_continue P((void)); 555 int DataFromTerminal __P((char *, int)); 556 int DataFromNetwork __P((char *, int, int)); 557 void ConnectScreen __P((void)); 558 int DoTerminalOutput __P((void)); 559 560 #endif /* defined(TN3270) */ 561
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