externs.h revision 1.21
1 /* $NetBSD: externs.h,v 1.21 2001/06/18 11:23:01 wiz 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 #include <errno.h> 67 #ifdef USE_TERMIO 68 # ifndef VINTR 69 # ifdef SYSV_TERMIO 70 # include <sys/termio.h> 71 # else 72 # include <sys/termios.h> 73 # define termio termios 74 # endif 75 # else 76 # if defined(TCSANOW) 77 # define termio termios 78 # endif 79 # endif 80 #endif 81 #if defined(NO_CC_T) || !defined(USE_TERMIO) 82 # if !defined(USE_TERMIO) 83 typedef char cc_t; 84 # else 85 typedef unsigned char cc_t; 86 # endif 87 #endif 88 89 #ifndef NO_STRING_H 90 #include <string.h> 91 #else 92 #include <strings.h> 93 #endif 94 95 #if defined(IPSEC) 96 #include <netinet6/ipsec.h> 97 #if defined(IPSEC_POLICY_IPSEC) 98 extern char *ipsec_policy_in; 99 extern char *ipsec_policy_out; 100 #endif 101 #endif 102 103 #ifndef _POSIX_VDISABLE 104 # ifdef sun 105 # include <sys/param.h> /* pick up VDISABLE definition, mayby */ 106 # endif 107 # ifdef VDISABLE 108 # define _POSIX_VDISABLE VDISABLE 109 # else 110 # define _POSIX_VDISABLE ((cc_t)'\377') 111 # endif 112 #endif 113 114 #define SUBBUFSIZE 256 115 116 #include <sys/cdefs.h> 117 #define P __P 118 119 extern int 120 autologin, /* Autologin enabled */ 121 skiprc, /* Don't process the ~/.telnetrc file */ 122 eight, /* use eight bit mode (binary in and/or out */ 123 flushout, /* flush output */ 124 connected, /* Are we connected to the other side? */ 125 globalmode, /* Mode tty should be in */ 126 In3270, /* Are we in 3270 mode? */ 127 telnetport, /* Are we connected to the telnet port? */ 128 localflow, /* Flow control handled locally */ 129 restartany, /* If flow control, restart output on any character */ 130 localchars, /* we recognize interrupt/quit */ 131 donelclchars, /* the user has set "localchars" */ 132 showoptions, 133 net, /* Network file descriptor */ 134 tin, /* Terminal input file descriptor */ 135 tout, /* Terminal output file descriptor */ 136 crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */ 137 autoflush, /* flush output when interrupting? */ 138 autosynch, /* send interrupt characters with SYNCH? */ 139 SYNCHing, /* Is the stream in telnet SYNCH mode? */ 140 donebinarytoggle, /* the user has put us in binary */ 141 dontlecho, /* do we suppress local echoing right now? */ 142 crmod, 143 netdata, /* Print out network data flow */ 144 prettydump, /* Print "netdata" output in user readable format */ 145 #if defined(unix) 146 #if defined(TN3270) 147 cursesdata, /* Print out curses data flow */ 148 apitrace, /* Trace API transactions */ 149 #endif /* defined(TN3270) */ 150 termdata, /* Print out terminal data flow */ 151 #endif /* defined(unix) */ 152 debug, /* Debug level */ 153 doaddrlookup, /* do a reverse address lookup? */ 154 clienteof; /* Client received EOF */ 155 156 extern cc_t escape; /* Escape to command mode */ 157 extern cc_t rlogin; /* Rlogin mode escape character */ 158 #ifdef KLUDGELINEMODE 159 extern cc_t echoc; /* Toggle local echoing */ 160 #endif 161 162 extern char 163 *prompt; /* Prompt for command. */ 164 165 extern char 166 doopt[], 167 dont[], 168 will[], 169 wont[], 170 options[], /* All the little options */ 171 *hostname; /* Who are we connected to? */ 172 173 #ifdef ENCRYPTION 174 extern void (*encrypt_output) P((unsigned char *, int)); 175 extern int (*decrypt_input) P((int)); 176 #endif /* ENCRYPTION */ 177 178 /* 179 * We keep track of each side of the option negotiation. 180 */ 181 182 #define MY_STATE_WILL 0x01 183 #define MY_WANT_STATE_WILL 0x02 184 #define MY_STATE_DO 0x04 185 #define MY_WANT_STATE_DO 0x08 186 187 /* 188 * Macros to check the current state of things 189 */ 190 191 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 192 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 193 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 194 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 195 196 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 197 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 198 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 199 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 200 201 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 202 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 203 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 204 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 205 206 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 207 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 208 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 209 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 210 211 /* 212 * Make everything symmetrical 213 */ 214 215 #define HIS_STATE_WILL MY_STATE_DO 216 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 217 #define HIS_STATE_DO MY_STATE_WILL 218 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 219 220 #define his_state_is_do my_state_is_will 221 #define his_state_is_will my_state_is_do 222 #define his_want_state_is_do my_want_state_is_will 223 #define his_want_state_is_will my_want_state_is_do 224 225 #define his_state_is_dont my_state_is_wont 226 #define his_state_is_wont my_state_is_dont 227 #define his_want_state_is_dont my_want_state_is_wont 228 #define his_want_state_is_wont my_want_state_is_dont 229 230 #define set_his_state_do set_my_state_will 231 #define set_his_state_will set_my_state_do 232 #define set_his_want_state_do set_my_want_state_will 233 #define set_his_want_state_will set_my_want_state_do 234 235 #define set_his_state_dont set_my_state_wont 236 #define set_his_state_wont set_my_state_dont 237 #define set_his_want_state_dont set_my_want_state_wont 238 #define set_his_want_state_wont set_my_want_state_dont 239 240 241 extern FILE 242 *NetTrace; /* Where debugging output goes */ 243 extern unsigned char 244 NetTraceFile[]; /* Name of file where debugging output goes */ 245 246 extern jmp_buf 247 peerdied, 248 toplevel; /* For error conditions. */ 249 250 251 /* authenc.c */ 252 int telnet_net_write P((unsigned char *, int)); 253 void net_encrypt P((void)); 254 int telnet_spin P((void)); 255 char *telnet_getenv P((char *)); 256 char *telnet_gets P((char *, char *, int, int)); 257 258 /* commands.c */ 259 int send_tncmd P((void (*)(int, int), char *, char *)); 260 void _setlist_init P((void)); 261 void set_escape_char P((char *)); 262 int set_mode P((int)); 263 int clear_mode P((int)); 264 int modehelp P((int)); 265 int suspend P((int, char *[])); 266 int shell P((int, char *[])); 267 int quit P((int, char *[])); 268 int logout P((int, char *[])); 269 int env_cmd P((int, char *[])); 270 struct env_lst *env_find P((unsigned char *)); 271 void env_init P((void)); 272 struct env_lst *env_define P((unsigned char *, unsigned char *)); 273 struct env_lst *env_undefine P((unsigned char *, unsigned char *)); 274 struct env_lst *env_export P((unsigned char *, unsigned char *)); 275 struct env_lst *env_unexport P((unsigned char *, unsigned char *)); 276 struct env_lst *env_send P((unsigned char *, unsigned char *)); 277 struct env_lst *env_list P((unsigned char *, unsigned char *)); 278 unsigned char *env_default P((int, int )); 279 unsigned char *env_getvalue P((unsigned char *)); 280 void env_varval P((unsigned char *)); 281 int auth_cmd P((int, char *[])); 282 int ayt_status P((void)); 283 int encrypt_cmd P((int, char *[])); 284 int tn P((int, char *[])); 285 void command P((int, char *, int)); 286 void cmdrc P((const char *, const char *)); 287 struct addrinfo; 288 int sourceroute P((struct addrinfo *, char *, char **, int *, int*)); 289 290 /* main.c */ 291 void tninit P((void)); 292 void usage P((void)); 293 294 /* network.c */ 295 void init_network P((void)); 296 int stilloob P((void)); 297 void setneturg P((void)); 298 int netflush P((void)); 299 300 /* sys_bsd.c */ 301 void init_sys P((void)); 302 int TerminalWrite P((char *, int)); 303 int TerminalRead P((unsigned char *, int)); 304 int TerminalAutoFlush P((void)); 305 int TerminalSpecialChars P((int)); 306 void TerminalFlushOutput P((void)); 307 void TerminalSaveState P((void)); 308 cc_t *tcval P((int)); 309 void TerminalDefaultChars P((void)); 310 void TerminalRestoreState P((void)); 311 void TerminalNewMode P((int)); 312 void TerminalSpeeds P((long *, long *)); 313 int TerminalWindowSize P((long *, long *)); 314 int NetClose P((int)); 315 void NetNonblockingIO P((int, int)); 316 void NetSigIO P((int, int)); 317 void NetSetPgrp P((int)); 318 void sys_telnet_init P((void)); 319 int process_rings P((int , int , int , int , int , int)); 320 321 /* telnet.c */ 322 void init_telnet P((void)); 323 void send_do P((int, int )); 324 void send_dont P((int, int )); 325 void send_will P((int, int )); 326 void send_wont P((int, int )); 327 void willoption P((int)); 328 void wontoption P((int)); 329 char **mklist P((char *, char *)); 330 int is_unique P((char *, char **, char **)); 331 int setup_term P((char *, int, int *)); 332 char *gettermname P((void)); 333 void lm_will P((unsigned char *, int)); 334 void lm_wont P((unsigned char *, int)); 335 void lm_do P((unsigned char *, int)); 336 void lm_dont P((unsigned char *, int)); 337 void lm_mode P((unsigned char *, int, int )); 338 void slc_init P((void)); 339 void slcstate P((void)); 340 void slc_mode_export P((int)); 341 void slc_mode_import P((int)); 342 void slc_import P((int)); 343 void slc_export P((void)); 344 void slc P((unsigned char *, int)); 345 void slc_check P((void)); 346 void slc_start_reply P((void)); 347 void slc_add_reply P((unsigned int, unsigned int, cc_t)); 348 void slc_end_reply P((void)); 349 int slc_update P((void)); 350 void env_opt P((unsigned char *, int)); 351 void env_opt_start P((void)); 352 void env_opt_start_info P((void)); 353 void env_opt_add P((unsigned char *)); 354 int opt_welldefined P((char *)); 355 void env_opt_end P((int)); 356 int telrcv P((void)); 357 int rlogin_susp P((void)); 358 int Scheduler P((int)); 359 void telnet P((const char *)); 360 void xmitAO P((void)); 361 void xmitEL P((void)); 362 void xmitEC P((void)); 363 int dosynch P((char *)); 364 int get_status P((char *)); 365 void intp P((void)); 366 void sendbrk P((void)); 367 void sendabort P((void)); 368 void sendsusp P((void)); 369 void sendeof P((void)); 370 void sendayt P((void)); 371 void sendnaws P((void)); 372 void tel_enter_binary P((int)); 373 void tel_leave_binary P((int)); 374 375 /* terminal.c */ 376 void init_terminal P((void)); 377 int ttyflush P((int)); 378 int getconnmode P((void)); 379 void setconnmode P((int)); 380 void setcommandmode P((void)); 381 382 /* utilities.c */ 383 void upcase P((char *)); 384 int SetSockOpt P((int, int , int , int )); 385 void SetNetTrace P((char *)); 386 void Dump P((int, unsigned char *, int)); 387 void printoption P((char *, int, int )); 388 void optionstatus P((void)); 389 void printsub P((int, unsigned char *, int)); 390 void EmptyTerminal P((void)); 391 void SetForExit P((void)); 392 void Exit P((int)) __attribute__((__noreturn__)); 393 void ExitString P((char *, int)) __attribute__((__noreturn__)); 394 395 #ifndef USE_TERMIO 396 397 extern struct tchars ntc; 398 extern struct ltchars nltc; 399 extern struct sgttyb nttyb; 400 401 # define termEofChar ntc.t_eofc 402 # define termEraseChar nttyb.sg_erase 403 # define termFlushChar nltc.t_flushc 404 # define termIntChar ntc.t_intrc 405 # define termKillChar nttyb.sg_kill 406 # define termLiteralNextChar nltc.t_lnextc 407 # define termQuitChar ntc.t_quitc 408 # define termSuspChar nltc.t_suspc 409 # define termRprntChar nltc.t_rprntc 410 # define termWerasChar nltc.t_werasc 411 # define termStartChar ntc.t_startc 412 # define termStopChar ntc.t_stopc 413 # define termForw1Char ntc.t_brkc 414 extern cc_t termForw2Char; 415 extern cc_t termAytChar; 416 417 # define termEofCharp (cc_t *)&ntc.t_eofc 418 # define termEraseCharp (cc_t *)&nttyb.sg_erase 419 # define termFlushCharp (cc_t *)&nltc.t_flushc 420 # define termIntCharp (cc_t *)&ntc.t_intrc 421 # define termKillCharp (cc_t *)&nttyb.sg_kill 422 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 423 # define termQuitCharp (cc_t *)&ntc.t_quitc 424 # define termSuspCharp (cc_t *)&nltc.t_suspc 425 # define termRprntCharp (cc_t *)&nltc.t_rprntc 426 # define termWerasCharp (cc_t *)&nltc.t_werasc 427 # define termStartCharp (cc_t *)&ntc.t_startc 428 # define termStopCharp (cc_t *)&ntc.t_stopc 429 # define termForw1Charp (cc_t *)&ntc.t_brkc 430 # define termForw2Charp (cc_t *)&termForw2Char 431 # define termAytCharp (cc_t *)&termAytChar 432 433 # else 434 435 extern struct termio new_tc; 436 437 # define termEofChar new_tc.c_cc[VEOF] 438 # define termEraseChar new_tc.c_cc[VERASE] 439 # define termIntChar new_tc.c_cc[VINTR] 440 # define termKillChar new_tc.c_cc[VKILL] 441 # define termQuitChar new_tc.c_cc[VQUIT] 442 443 # ifndef VSUSP 444 extern cc_t termSuspChar; 445 # else 446 # define termSuspChar new_tc.c_cc[VSUSP] 447 # endif 448 # if defined(VFLUSHO) && !defined(VDISCARD) 449 # define VDISCARD VFLUSHO 450 # endif 451 # ifndef VDISCARD 452 extern cc_t termFlushChar; 453 # else 454 # define termFlushChar new_tc.c_cc[VDISCARD] 455 # endif 456 # ifndef VWERASE 457 extern cc_t termWerasChar; 458 # else 459 # define termWerasChar new_tc.c_cc[VWERASE] 460 # endif 461 # ifndef VREPRINT 462 extern cc_t termRprntChar; 463 # else 464 # define termRprntChar new_tc.c_cc[VREPRINT] 465 # endif 466 # ifndef VLNEXT 467 extern cc_t termLiteralNextChar; 468 # else 469 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 470 # endif 471 # ifndef VSTART 472 extern cc_t termStartChar; 473 # else 474 # define termStartChar new_tc.c_cc[VSTART] 475 # endif 476 # ifndef VSTOP 477 extern cc_t termStopChar; 478 # else 479 # define termStopChar new_tc.c_cc[VSTOP] 480 # endif 481 # ifndef VEOL 482 extern cc_t termForw1Char; 483 # else 484 # define termForw1Char new_tc.c_cc[VEOL] 485 # endif 486 # ifndef VEOL2 487 extern cc_t termForw2Char; 488 # else 489 # define termForw2Char new_tc.c_cc[VEOL] 490 # endif 491 # ifndef VSTATUS 492 extern cc_t termAytChar; 493 #else 494 # define termAytChar new_tc.c_cc[VSTATUS] 495 #endif 496 497 # if !defined(CRAY) || defined(__STDC__) 498 # define termEofCharp &termEofChar 499 # define termEraseCharp &termEraseChar 500 # define termIntCharp &termIntChar 501 # define termKillCharp &termKillChar 502 # define termQuitCharp &termQuitChar 503 # define termSuspCharp &termSuspChar 504 # define termFlushCharp &termFlushChar 505 # define termWerasCharp &termWerasChar 506 # define termRprntCharp &termRprntChar 507 # define termLiteralNextCharp &termLiteralNextChar 508 # define termStartCharp &termStartChar 509 # define termStopCharp &termStopChar 510 # define termForw1Charp &termForw1Char 511 # define termForw2Charp &termForw2Char 512 # define termAytCharp &termAytChar 513 # else 514 /* Work around a compiler bug */ 515 # define termEofCharp 0 516 # define termEraseCharp 0 517 # define termIntCharp 0 518 # define termKillCharp 0 519 # define termQuitCharp 0 520 # define termSuspCharp 0 521 # define termFlushCharp 0 522 # define termWerasCharp 0 523 # define termRprntCharp 0 524 # define termLiteralNextCharp 0 525 # define termStartCharp 0 526 # define termStopCharp 0 527 # define termForw1Charp 0 528 # define termForw2Charp 0 529 # define termAytCharp 0 530 # endif 531 #endif 532 533 534 /* Tn3270 section */ 535 #if defined(TN3270) 536 537 extern int 538 HaveInput, /* Whether an asynchronous I/O indication came in */ 539 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 540 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 541 sigiocount, /* Count of SIGIO receptions */ 542 shell_active; /* Subshell is active */ 543 544 extern char 545 *Ibackp, /* Oldest byte of 3270 data */ 546 Ibuf[], /* 3270 buffer */ 547 *Ifrontp, /* Where next 3270 byte goes */ 548 tline[200], 549 *transcom; /* Transparent command */ 550 551 /* tn3270.c */ 552 void init_3270 P((void)); 553 int DataToNetwork P((char *, int, int)); 554 void inputAvailable P((int)); 555 void outputPurge P((void)); 556 int DataToTerminal P((char *, int)); 557 int Push3270 P((void)); 558 void Finish3270 P((void)); 559 void StringToTerminal P((char *)); 560 void _putchar P((int)); 561 void SetIn3270 P((void)); 562 int tn3270_ttype P((void)); 563 int settranscom P((int, char *[])); 564 int shell_continue P((void)); 565 int DataFromTerminal __P((char *, int)); 566 int DataFromNetwork __P((char *, int, int)); 567 void ConnectScreen __P((void)); 568 int DoTerminalOutput __P((void)); 569 570 #endif /* defined(TN3270) */ 571
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