externs.h revision 1.18
1 /* $NetBSD: externs.h,v 1.18 2000/02/01 02:28:23 assar 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 /* 174 * We keep track of each side of the option negotiation. 175 */ 176 177 #define MY_STATE_WILL 0x01 178 #define MY_WANT_STATE_WILL 0x02 179 #define MY_STATE_DO 0x04 180 #define MY_WANT_STATE_DO 0x08 181 182 /* 183 * Macros to check the current state of things 184 */ 185 186 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 187 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 188 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 189 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 190 191 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 192 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 193 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 194 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 195 196 #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} 197 #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} 198 #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} 199 #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} 200 201 #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} 202 #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} 203 #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} 204 #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} 205 206 /* 207 * Make everything symetrical 208 */ 209 210 #define HIS_STATE_WILL MY_STATE_DO 211 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 212 #define HIS_STATE_DO MY_STATE_WILL 213 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 214 215 #define his_state_is_do my_state_is_will 216 #define his_state_is_will my_state_is_do 217 #define his_want_state_is_do my_want_state_is_will 218 #define his_want_state_is_will my_want_state_is_do 219 220 #define his_state_is_dont my_state_is_wont 221 #define his_state_is_wont my_state_is_dont 222 #define his_want_state_is_dont my_want_state_is_wont 223 #define his_want_state_is_wont my_want_state_is_dont 224 225 #define set_his_state_do set_my_state_will 226 #define set_his_state_will set_my_state_do 227 #define set_his_want_state_do set_my_want_state_will 228 #define set_his_want_state_will set_my_want_state_do 229 230 #define set_his_state_dont set_my_state_wont 231 #define set_his_state_wont set_my_state_dont 232 #define set_his_want_state_dont set_my_want_state_wont 233 #define set_his_want_state_wont set_my_want_state_dont 234 235 236 extern FILE 237 *NetTrace; /* Where debugging output goes */ 238 extern unsigned char 239 NetTraceFile[]; /* Name of file where debugging output goes */ 240 241 extern jmp_buf 242 peerdied, 243 toplevel; /* For error conditions. */ 244 245 246 /* authenc.c */ 247 int telnet_net_write P((unsigned char *, int)); 248 void net_encrypt P((void)); 249 int telnet_spin P((void)); 250 char *telnet_getenv P((char *)); 251 char *telnet_gets P((char *, char *, int, int)); 252 253 /* commands.c */ 254 int send_tncmd P((void (*)(int, int), char *, char *)); 255 void _setlist_init P((void)); 256 void set_escape_char P((char *)); 257 int set_mode P((int)); 258 int clear_mode P((int)); 259 int modehelp P((int)); 260 int suspend P((int, char *[])); 261 int shell P((int, char *[])); 262 int quit P((int, char *[])); 263 int logout P((int, char *[])); 264 int env_cmd P((int, char *[])); 265 struct env_lst *env_find P((unsigned char *)); 266 void env_init P((void)); 267 struct env_lst *env_define P((unsigned char *, unsigned char *)); 268 struct env_lst *env_undefine P((unsigned char *, unsigned char *)); 269 struct env_lst *env_export P((unsigned char *, unsigned char *)); 270 struct env_lst *env_unexport P((unsigned char *, unsigned char *)); 271 struct env_lst *env_send P((unsigned char *, unsigned char *)); 272 struct env_lst *env_list P((unsigned char *, unsigned char *)); 273 unsigned char *env_default P((int, int )); 274 unsigned char *env_getvalue P((unsigned char *)); 275 void env_varval P((unsigned char *)); 276 int auth_cmd P((int, char *[])); 277 int ayt_status P((void)); 278 int tn P((int, char *[])); 279 void command P((int, char *, int)); 280 void cmdrc P((const char *, const char *)); 281 struct addrinfo; 282 int sourceroute P((struct addrinfo *, char *, char **, int *, int*)); 283 284 /* main.c */ 285 void tninit P((void)); 286 void usage P((void)); 287 288 /* network.c */ 289 void init_network P((void)); 290 int stilloob P((void)); 291 void setneturg P((void)); 292 int netflush P((void)); 293 294 /* sys_bsd.c */ 295 void init_sys P((void)); 296 int TerminalWrite P((char *, int)); 297 int TerminalRead P((unsigned char *, int)); 298 int TerminalAutoFlush P((void)); 299 int TerminalSpecialChars P((int)); 300 void TerminalFlushOutput P((void)); 301 void TerminalSaveState P((void)); 302 cc_t *tcval P((int)); 303 void TerminalDefaultChars P((void)); 304 void TerminalRestoreState P((void)); 305 void TerminalNewMode P((int)); 306 void TerminalSpeeds P((long *, long *)); 307 int TerminalWindowSize P((long *, long *)); 308 int NetClose P((int)); 309 void NetNonblockingIO P((int, int)); 310 void NetSigIO P((int, int)); 311 void NetSetPgrp P((int)); 312 void sys_telnet_init P((void)); 313 int process_rings P((int , int , int , int , int , int)); 314 315 /* telnet.c */ 316 void init_telnet P((void)); 317 void send_do P((int, int )); 318 void send_dont P((int, int )); 319 void send_will P((int, int )); 320 void send_wont P((int, int )); 321 void willoption P((int)); 322 void wontoption P((int)); 323 char **mklist P((char *, char *)); 324 int is_unique P((char *, char **, char **)); 325 int setup_term P((char *, int, int *)); 326 char *gettermname P((void)); 327 void lm_will P((unsigned char *, int)); 328 void lm_wont P((unsigned char *, int)); 329 void lm_do P((unsigned char *, int)); 330 void lm_dont P((unsigned char *, int)); 331 void lm_mode P((unsigned char *, int, int )); 332 void slc_init P((void)); 333 void slcstate P((void)); 334 void slc_mode_export P((int)); 335 void slc_mode_import P((int)); 336 void slc_import P((int)); 337 void slc_export P((void)); 338 void slc P((unsigned char *, int)); 339 void slc_check P((void)); 340 void slc_start_reply P((void)); 341 void slc_add_reply P((unsigned int, unsigned int, cc_t)); 342 void slc_end_reply P((void)); 343 int slc_update P((void)); 344 void env_opt P((unsigned char *, int)); 345 void env_opt_start P((void)); 346 void env_opt_start_info P((void)); 347 void env_opt_add P((unsigned char *)); 348 int opt_welldefined P((char *)); 349 void env_opt_end P((int)); 350 int telrcv P((void)); 351 int rlogin_susp P((void)); 352 int Scheduler P((int)); 353 void telnet P((const char *)); 354 void xmitAO P((void)); 355 void xmitEL P((void)); 356 void xmitEC P((void)); 357 int dosynch P((char *)); 358 int get_status P((char *)); 359 void intp P((void)); 360 void sendbrk P((void)); 361 void sendabort P((void)); 362 void sendsusp P((void)); 363 void sendeof P((void)); 364 void sendayt P((void)); 365 void sendnaws P((void)); 366 void tel_enter_binary P((int)); 367 void tel_leave_binary P((int)); 368 369 /* terminal.c */ 370 void init_terminal P((void)); 371 int ttyflush P((int)); 372 int getconnmode P((void)); 373 void setconnmode P((int)); 374 void setcommandmode P((void)); 375 376 /* utilities.c */ 377 void upcase P((char *)); 378 int SetSockOpt P((int, int , int , int )); 379 void SetNetTrace P((char *)); 380 void Dump P((int, unsigned char *, int)); 381 void printoption P((char *, int, int )); 382 void optionstatus P((void)); 383 void printsub P((int, unsigned char *, int)); 384 void EmptyTerminal P((void)); 385 void SetForExit P((void)); 386 void Exit P((int)) __attribute__((__noreturn__)); 387 void ExitString P((char *, int)) __attribute__((__noreturn__)); 388 389 #ifndef USE_TERMIO 390 391 extern struct tchars ntc; 392 extern struct ltchars nltc; 393 extern struct sgttyb nttyb; 394 395 # define termEofChar ntc.t_eofc 396 # define termEraseChar nttyb.sg_erase 397 # define termFlushChar nltc.t_flushc 398 # define termIntChar ntc.t_intrc 399 # define termKillChar nttyb.sg_kill 400 # define termLiteralNextChar nltc.t_lnextc 401 # define termQuitChar ntc.t_quitc 402 # define termSuspChar nltc.t_suspc 403 # define termRprntChar nltc.t_rprntc 404 # define termWerasChar nltc.t_werasc 405 # define termStartChar ntc.t_startc 406 # define termStopChar ntc.t_stopc 407 # define termForw1Char ntc.t_brkc 408 extern cc_t termForw2Char; 409 extern cc_t termAytChar; 410 411 # define termEofCharp (cc_t *)&ntc.t_eofc 412 # define termEraseCharp (cc_t *)&nttyb.sg_erase 413 # define termFlushCharp (cc_t *)&nltc.t_flushc 414 # define termIntCharp (cc_t *)&ntc.t_intrc 415 # define termKillCharp (cc_t *)&nttyb.sg_kill 416 # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc 417 # define termQuitCharp (cc_t *)&ntc.t_quitc 418 # define termSuspCharp (cc_t *)&nltc.t_suspc 419 # define termRprntCharp (cc_t *)&nltc.t_rprntc 420 # define termWerasCharp (cc_t *)&nltc.t_werasc 421 # define termStartCharp (cc_t *)&ntc.t_startc 422 # define termStopCharp (cc_t *)&ntc.t_stopc 423 # define termForw1Charp (cc_t *)&ntc.t_brkc 424 # define termForw2Charp (cc_t *)&termForw2Char 425 # define termAytCharp (cc_t *)&termAytChar 426 427 # else 428 429 extern struct termio new_tc; 430 431 # define termEofChar new_tc.c_cc[VEOF] 432 # define termEraseChar new_tc.c_cc[VERASE] 433 # define termIntChar new_tc.c_cc[VINTR] 434 # define termKillChar new_tc.c_cc[VKILL] 435 # define termQuitChar new_tc.c_cc[VQUIT] 436 437 # ifndef VSUSP 438 extern cc_t termSuspChar; 439 # else 440 # define termSuspChar new_tc.c_cc[VSUSP] 441 # endif 442 # if defined(VFLUSHO) && !defined(VDISCARD) 443 # define VDISCARD VFLUSHO 444 # endif 445 # ifndef VDISCARD 446 extern cc_t termFlushChar; 447 # else 448 # define termFlushChar new_tc.c_cc[VDISCARD] 449 # endif 450 # ifndef VWERASE 451 extern cc_t termWerasChar; 452 # else 453 # define termWerasChar new_tc.c_cc[VWERASE] 454 # endif 455 # ifndef VREPRINT 456 extern cc_t termRprntChar; 457 # else 458 # define termRprntChar new_tc.c_cc[VREPRINT] 459 # endif 460 # ifndef VLNEXT 461 extern cc_t termLiteralNextChar; 462 # else 463 # define termLiteralNextChar new_tc.c_cc[VLNEXT] 464 # endif 465 # ifndef VSTART 466 extern cc_t termStartChar; 467 # else 468 # define termStartChar new_tc.c_cc[VSTART] 469 # endif 470 # ifndef VSTOP 471 extern cc_t termStopChar; 472 # else 473 # define termStopChar new_tc.c_cc[VSTOP] 474 # endif 475 # ifndef VEOL 476 extern cc_t termForw1Char; 477 # else 478 # define termForw1Char new_tc.c_cc[VEOL] 479 # endif 480 # ifndef VEOL2 481 extern cc_t termForw2Char; 482 # else 483 # define termForw2Char new_tc.c_cc[VEOL] 484 # endif 485 # ifndef VSTATUS 486 extern cc_t termAytChar; 487 #else 488 # define termAytChar new_tc.c_cc[VSTATUS] 489 #endif 490 491 # if !defined(CRAY) || defined(__STDC__) 492 # define termEofCharp &termEofChar 493 # define termEraseCharp &termEraseChar 494 # define termIntCharp &termIntChar 495 # define termKillCharp &termKillChar 496 # define termQuitCharp &termQuitChar 497 # define termSuspCharp &termSuspChar 498 # define termFlushCharp &termFlushChar 499 # define termWerasCharp &termWerasChar 500 # define termRprntCharp &termRprntChar 501 # define termLiteralNextCharp &termLiteralNextChar 502 # define termStartCharp &termStartChar 503 # define termStopCharp &termStopChar 504 # define termForw1Charp &termForw1Char 505 # define termForw2Charp &termForw2Char 506 # define termAytCharp &termAytChar 507 # else 508 /* Work around a compiler bug */ 509 # define termEofCharp 0 510 # define termEraseCharp 0 511 # define termIntCharp 0 512 # define termKillCharp 0 513 # define termQuitCharp 0 514 # define termSuspCharp 0 515 # define termFlushCharp 0 516 # define termWerasCharp 0 517 # define termRprntCharp 0 518 # define termLiteralNextCharp 0 519 # define termStartCharp 0 520 # define termStopCharp 0 521 # define termForw1Charp 0 522 # define termForw2Charp 0 523 # define termAytCharp 0 524 # endif 525 #endif 526 527 528 /* Tn3270 section */ 529 #if defined(TN3270) 530 531 extern int 532 HaveInput, /* Whether an asynchronous I/O indication came in */ 533 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 534 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 535 sigiocount, /* Count of SIGIO receptions */ 536 shell_active; /* Subshell is active */ 537 538 extern char 539 *Ibackp, /* Oldest byte of 3270 data */ 540 Ibuf[], /* 3270 buffer */ 541 *Ifrontp, /* Where next 3270 byte goes */ 542 tline[], 543 *transcom; /* Transparent command */ 544 545 /* tn3270.c */ 546 void init_3270 P((void)); 547 int DataToNetwork P((char *, int, int)); 548 void inputAvailable P((int)); 549 void outputPurge P((void)); 550 int DataToTerminal P((char *, int)); 551 int Push3270 P((void)); 552 void Finish3270 P((void)); 553 void StringToTerminal P((char *)); 554 void _putchar P((int)); 555 void SetIn3270 P((void)); 556 int tn3270_ttype P((void)); 557 int settranscom P((int, char *[])); 558 int shell_continue P((void)); 559 int DataFromTerminal __P((char *, int)); 560 int DataFromNetwork __P((char *, int, int)); 561 void ConnectScreen __P((void)); 562 int DoTerminalOutput __P((void)); 563 564 #endif /* defined(TN3270) */ 565
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