externs.h revision 1.14
1 /* $NetBSD: externs.h,v 1.14 1999/07/02 15:09:10 itojun 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 #if defined(IPSEC) 98 #include <netinet6/ipsec.h> 99 #if defined(IPSEC_POLICY_IPSEC) 100 extern char *ipsec_policy; 101 #endif 102 #endif 103 104 #ifndef _POSIX_VDISABLE 105 # ifdef sun 106 # include <sys/param.h> /* pick up VDISABLE definition, mayby */ 107 # endif 108 # ifdef VDISABLE 109 # define _POSIX_VDISABLE VDISABLE 110 # else 111 # define _POSIX_VDISABLE ((cc_t)'\377') 112 # endif 113 #endif 114 115 #define SUBBUFSIZE 256 116 117 #ifndef CRAY 118 extern int errno; /* outside this world */ 119 #endif /* !CRAY */ 120 121 #include <sys/cdefs.h> 122 #define P __P 123 124 extern int 125 autologin, /* Autologin enabled */ 126 skiprc, /* Don't process the ~/.telnetrc file */ 127 eight, /* use eight bit mode (binary in and/or out */ 128 flushout, /* flush output */ 129 connected, /* Are we connected to the other side? */ 130 globalmode, /* Mode tty should be in */ 131 In3270, /* Are we in 3270 mode? */ 132 telnetport, /* Are we connected to the telnet port? */ 133 localflow, /* Flow control handled locally */ 134 restartany, /* If flow control, restart output on any character */ 135 localchars, /* we recognize interrupt/quit */ 136 donelclchars, /* the user has set "localchars" */ 137 showoptions, 138 net, /* Network file descriptor */ 139 tin, /* Terminal input file descriptor */ 140 tout, /* Terminal output file descriptor */ 141 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */ 142 autoflush, /* flush output when interrupting? */ 143 autosynch, /* send interrupt characters with SYNCH? */ 144 SYNCHing, /* Is the stream in telnet SYNCH mode? */ 145 donebinarytoggle, /* the user has put us in binary */ 146 dontlecho, /* do we suppress local echoing right now? */ 147 crmod, 148 netdata, /* Print out network data flow */ 149 prettydump, /* Print "netdata" output in user readable format */ 150 #if defined(unix) 151 #if defined(TN3270) 152 cursesdata, /* Print out curses data flow */ 153 apitrace, /* Trace API transactions */ 154 #endif /* defined(TN3270) */ 155 termdata, /* Print out terminal data flow */ 156 #endif /* defined(unix) */ 157 debug, /* Debug level */ 158 clienteof; /* Client received EOF */ 159 160 extern cc_t escape; /* Escape to command mode */ 161 extern cc_t rlogin; /* Rlogin mode escape character */ 162 #ifdef KLUDGELINEMODE 163 extern cc_t echoc; /* Toggle local echoing */ 164 #endif 165 166 extern char 167 *prompt; /* Prompt for command. */ 168 169 extern char 170 doopt[], 171 dont[], 172 will[], 173 wont[], 174 options[], /* All the little options */ 175 *hostname; /* Who are we connected to? */ 176 177 /* 178 * We keep track of each side of the option negotiation. 179 */ 180 181 #define MY_STATE_WILL 0x01 182 #define MY_WANT_STATE_WILL 0x02 183 #define MY_STATE_DO 0x04 184 #define MY_WANT_STATE_DO 0x08 185 186 /* 187 * Macros to check the current state of things 188 */ 189 190 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 191 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 192 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 193 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 194 195 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 196 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 197 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 198 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 199 200 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 201 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 202 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 203 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 204 205 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 206 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 207 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 208 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 209 210 /* 211 * Make everything symetrical 212 */ 213 214 #define HIS_STATE_WILL MY_STATE_DO 215 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 216 #define HIS_STATE_DO MY_STATE_WILL 217 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 218 219 #define his_state_is_do my_state_is_will 220 #define his_state_is_will my_state_is_do 221 #define his_want_state_is_do my_want_state_is_will 222 #define his_want_state_is_will my_want_state_is_do 223 224 #define his_state_is_dont my_state_is_wont 225 #define his_state_is_wont my_state_is_dont 226 #define his_want_state_is_dont my_want_state_is_wont 227 #define his_want_state_is_wont my_want_state_is_dont 228 229 #define set_his_state_do set_my_state_will 230 #define set_his_state_will set_my_state_do 231 #define set_his_want_state_do set_my_want_state_will 232 #define set_his_want_state_will set_my_want_state_do 233 234 #define set_his_state_dont set_my_state_wont 235 #define set_his_state_wont set_my_state_dont 236 #define set_his_want_state_dont set_my_want_state_wont 237 #define set_his_want_state_wont set_my_want_state_dont 238 239 240 extern FILE 241 *NetTrace; /* Where debugging output goes */ 242 extern unsigned char 243 NetTraceFile[]; /* Name of file where debugging output goes */ 244 245 extern jmp_buf 246 peerdied, 247 toplevel; /* For error conditions. */ 248 249 250 /* authenc.c */ 251 int net_write P((unsigned char *, int)); 252 void net_encrypt P((void)); 253 int telnet_spin P((void)); 254 char *telnet_getenv P((char *)); 255 char *telnet_gets P((char *, char *, int, int)); 256 257 /* commands.c */ 258 int send_tncmd P((void (*)(int, int), char *, char *)); 259 void _setlist_init P((void)); 260 void set_escape_char P((char *)); 261 int set_mode P((int)); 262 int clear_mode P((int)); 263 int modehelp P((int)); 264 int suspend P((int, char *[])); 265 int shell P((int, char *[])); 266 int quit P((int, char *[])); 267 int logout P((int, char *[])); 268 int env_cmd P((int, char *[])); 269 struct env_lst *env_find P((unsigned char *)); 270 void env_init P((void)); 271 struct env_lst *env_define P((unsigned char *, unsigned char *)); 272 struct env_lst *env_undefine P((unsigned char *, unsigned char *)); 273 struct env_lst *env_export P((unsigned char *, unsigned char *)); 274 struct env_lst *env_unexport P((unsigned char *, unsigned char *)); 275 struct env_lst *env_send P((unsigned char *, unsigned char *)); 276 struct env_lst *env_list P((unsigned char *, unsigned char *)); 277 unsigned char *env_default P((int, int )); 278 unsigned char *env_getvalue P((unsigned char *)); 279 void env_varval P((unsigned char *)); 280 int auth_cmd P((int, char *[])); 281 int ayt_status P((void)); 282 int tn P((int, char *[])); 283 void command P((int, char *, int)); 284 void cmdrc P((const char *, const char *)); 285 struct addrinfo; 286 int sourceroute P((struct addrinfo *, char *, char **, int *, int*)); 287 288 /* main.c */ 289 void tninit P((void)); 290 void usage P((void)); 291 292 /* network.c */ 293 void init_network P((void)); 294 int stilloob P((void)); 295 void setneturg P((void)); 296 int netflush P((void)); 297 298 /* sys_bsd.c */ 299 void init_sys P((void)); 300 int TerminalWrite P((char *, int)); 301 int TerminalRead P((unsigned char *, int)); 302 int TerminalAutoFlush P((void)); 303 int TerminalSpecialChars P((int)); 304 void TerminalFlushOutput P((void)); 305 void TerminalSaveState P((void)); 306 cc_t *tcval P((int)); 307 void TerminalDefaultChars P((void)); 308 void TerminalRestoreState P((void)); 309 void TerminalNewMode P((int)); 310 void TerminalSpeeds P((long *, long *)); 311 int TerminalWindowSize P((long *, long *)); 312 int NetClose P((int)); 313 void NetNonblockingIO P((int, int)); 314 void NetSigIO P((int, int)); 315 void NetSetPgrp P((int)); 316 void sys_telnet_init P((void)); 317 int process_rings P((int , int , int , int , int , int)); 318 319 /* telnet.c */ 320 void init_telnet P((void)); 321 void send_do P((int, int )); 322 void send_dont P((int, int )); 323 void send_will P((int, int )); 324 void send_wont P((int, int )); 325 void willoption P((int)); 326 void wontoption P((int)); 327 char **mklist P((char *, char *)); 328 int is_unique P((char *, char **, char **)); 329 int setup_term P((char *, int, int *)); 330 char *gettermname P((void)); 331 void lm_will P((unsigned char *, int)); 332 void lm_wont P((unsigned char *, int)); 333 void lm_do P((unsigned char *, int)); 334 void lm_dont P((unsigned char *, int)); 335 void lm_mode P((unsigned char *, int, int )); 336 void slc_init P((void)); 337 void slcstate P((void)); 338 void slc_mode_export P((int)); 339 void slc_mode_import P((int)); 340 void slc_import P((int)); 341 void slc_export P((void)); 342 void slc P((unsigned char *, int)); 343 void slc_check P((void)); 344 void slc_start_reply P((void)); 345 void slc_add_reply P((unsigned int, unsigned int, cc_t)); 346 void slc_end_reply P((void)); 347 int slc_update P((void)); 348 void env_opt P((unsigned char *, int)); 349 void env_opt_start P((void)); 350 void env_opt_start_info P((void)); 351 void env_opt_add P((unsigned char *)); 352 int opt_welldefined P((char *)); 353 void env_opt_end P((int)); 354 int telrcv P((void)); 355 int rlogin_susp P((void)); 356 int Scheduler P((int)); 357 void telnet P((const char *)); 358 void xmitAO P((void)); 359 void xmitEL P((void)); 360 void xmitEC P((void)); 361 int dosynch P((char *)); 362 int get_status P((char *)); 363 void intp P((void)); 364 void sendbrk P((void)); 365 void sendabort P((void)); 366 void sendsusp P((void)); 367 void sendeof P((void)); 368 void sendayt P((void)); 369 void sendnaws P((void)); 370 void tel_enter_binary P((int)); 371 void tel_leave_binary P((int)); 372 373 /* terminal.c */ 374 void init_terminal P((void)); 375 int ttyflush P((int)); 376 int getconnmode P((void)); 377 void setconnmode P((int)); 378 void setcommandmode P((void)); 379 380 /* utilities.c */ 381 void upcase P((char *)); 382 int SetSockOpt P((int, int , int , int )); 383 void SetNetTrace P((char *)); 384 void Dump P((int, unsigned char *, int)); 385 void printoption P((char *, int, int )); 386 void optionstatus P((void)); 387 void printsub P((int, unsigned char *, int)); 388 void EmptyTerminal P((void)); 389 void SetForExit P((void)); 390 void Exit P((int)) __attribute__((__noreturn__)); 391 void ExitString P((char *, int)) __attribute__((__noreturn__)); 392 393 #ifndef USE_TERMIO 394 395 extern struct tchars ntc; 396 extern struct ltchars nltc; 397 extern struct sgttyb nttyb; 398 399 # define termEofChar ntc.t_eofc 400 # define termEraseChar nttyb.sg_erase 401 # define termFlushChar nltc.t_flushc 402 # define termIntChar ntc.t_intrc 403 # define termKillChar nttyb.sg_kill 404 # define termLiteralNextChar nltc.t_lnextc 405 # define termQuitChar ntc.t_quitc 406 # define termSuspChar nltc.t_suspc 407 # define termRprntChar nltc.t_rprntc 408 # define termWerasChar nltc.t_werasc 409 # define termStartChar ntc.t_startc 410 # define termStopChar ntc.t_stopc 411 # define termForw1Char ntc.t_brkc 412 extern cc_t termForw2Char; 413 extern cc_t termAytChar; 414 415 # define termEofCharp (cc_t *)&ntc.t_eofc 416 # define termEraseCharp (cc_t *)&nttyb.sg_erase 417 # define termFlushCharp (cc_t *)&nltc.t_flushc 418 # define termIntCharp (cc_t *)&ntc.t_intrc 419 # define termKillCharp (cc_t *)&nttyb.sg_kill 420 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 421 # define termQuitCharp (cc_t *)&ntc.t_quitc 422 # define termSuspCharp (cc_t *)&nltc.t_suspc 423 # define termRprntCharp (cc_t *)&nltc.t_rprntc 424 # define termWerasCharp (cc_t *)&nltc.t_werasc 425 # define termStartCharp (cc_t *)&ntc.t_startc 426 # define termStopCharp (cc_t *)&ntc.t_stopc 427 # define termForw1Charp (cc_t *)&ntc.t_brkc 428 # define termForw2Charp (cc_t *)&termForw2Char 429 # define termAytCharp (cc_t *)&termAytChar 430 431 # else 432 433 extern struct termio new_tc; 434 435 # define termEofChar new_tc.c_cc[VEOF] 436 # define termEraseChar new_tc.c_cc[VERASE] 437 # define termIntChar new_tc.c_cc[VINTR] 438 # define termKillChar new_tc.c_cc[VKILL] 439 # define termQuitChar new_tc.c_cc[VQUIT] 440 441 # ifndef VSUSP 442 extern cc_t termSuspChar; 443 # else 444 # define termSuspChar new_tc.c_cc[VSUSP] 445 # endif 446 # if defined(VFLUSHO) && !defined(VDISCARD) 447 # define VDISCARD VFLUSHO 448 # endif 449 # ifndef VDISCARD 450 extern cc_t termFlushChar; 451 # else 452 # define termFlushChar new_tc.c_cc[VDISCARD] 453 # endif 454 # ifndef VWERASE 455 extern cc_t termWerasChar; 456 # else 457 # define termWerasChar new_tc.c_cc[VWERASE] 458 # endif 459 # ifndef VREPRINT 460 extern cc_t termRprntChar; 461 # else 462 # define termRprntChar new_tc.c_cc[VREPRINT] 463 # endif 464 # ifndef VLNEXT 465 extern cc_t termLiteralNextChar; 466 # else 467 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 468 # endif 469 # ifndef VSTART 470 extern cc_t termStartChar; 471 # else 472 # define termStartChar new_tc.c_cc[VSTART] 473 # endif 474 # ifndef VSTOP 475 extern cc_t termStopChar; 476 # else 477 # define termStopChar new_tc.c_cc[VSTOP] 478 # endif 479 # ifndef VEOL 480 extern cc_t termForw1Char; 481 # else 482 # define termForw1Char new_tc.c_cc[VEOL] 483 # endif 484 # ifndef VEOL2 485 extern cc_t termForw2Char; 486 # else 487 # define termForw2Char new_tc.c_cc[VEOL] 488 # endif 489 # ifndef VSTATUS 490 extern cc_t termAytChar; 491 #else 492 # define termAytChar new_tc.c_cc[VSTATUS] 493 #endif 494 495 # if !defined(CRAY) || defined(__STDC__) 496 # define termEofCharp &termEofChar 497 # define termEraseCharp &termEraseChar 498 # define termIntCharp &termIntChar 499 # define termKillCharp &termKillChar 500 # define termQuitCharp &termQuitChar 501 # define termSuspCharp &termSuspChar 502 # define termFlushCharp &termFlushChar 503 # define termWerasCharp &termWerasChar 504 # define termRprntCharp &termRprntChar 505 # define termLiteralNextCharp &termLiteralNextChar 506 # define termStartCharp &termStartChar 507 # define termStopCharp &termStopChar 508 # define termForw1Charp &termForw1Char 509 # define termForw2Charp &termForw2Char 510 # define termAytCharp &termAytChar 511 # else 512 /* Work around a compiler bug */ 513 # define termEofCharp 0 514 # define termEraseCharp 0 515 # define termIntCharp 0 516 # define termKillCharp 0 517 # define termQuitCharp 0 518 # define termSuspCharp 0 519 # define termFlushCharp 0 520 # define termWerasCharp 0 521 # define termRprntCharp 0 522 # define termLiteralNextCharp 0 523 # define termStartCharp 0 524 # define termStopCharp 0 525 # define termForw1Charp 0 526 # define termForw2Charp 0 527 # define termAytCharp 0 528 # endif 529 #endif 530 531 532 /* Tn3270 section */ 533 #if defined(TN3270) 534 535 extern int 536 HaveInput, /* Whether an asynchronous I/O indication came in */ 537 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 538 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 539 sigiocount, /* Count of SIGIO receptions */ 540 shell_active; /* Subshell is active */ 541 542 extern char 543 *Ibackp, /* Oldest byte of 3270 data */ 544 Ibuf[], /* 3270 buffer */ 545 *Ifrontp, /* Where next 3270 byte goes */ 546 tline[], 547 *transcom; /* Transparent command */ 548 549 /* tn3270.c */ 550 void init_3270 P((void)); 551 int DataToNetwork P((char *, int, int)); 552 void inputAvailable P((int)); 553 void outputPurge P((void)); 554 int DataToTerminal P((char *, int)); 555 int Push3270 P((void)); 556 void Finish3270 P((void)); 557 void StringToTerminal P((char *)); 558 void _putchar P((int)); 559 void SetIn3270 P((void)); 560 int tn3270_ttype P((void)); 561 int settranscom P((int, char *[])); 562 int shell_continue P((void)); 563 int DataFromTerminal __P((char *, int)); 564 int DataFromNetwork __P((char *, int, int)); 565 void ConnectScreen __P((void)); 566 int DoTerminalOutput __P((void)); 567 568 #endif /* defined(TN3270) */ 569
Indexes created Mon Sep 29 21:09:56 GMT 2025