externs.h revision 1.26
1 /* $NetBSD: externs.h,v 1.26 2003/06/18 20:51:00 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 weird 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> 117 118 extern int 119 autologin, /* Autologin enabled */ 120 skiprc, /* Don't process the ~/.telnetrc file */ 121 eight, /* use eight bit mode (binary in and/or out */ 122 family, /* address family of peer */ 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)(unsigned char *, int); 175 extern int (*decrypt_input)(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(unsigned char *, int); 253 void net_encrypt(void); 254 int telnet_spin(void); 255 char *telnet_getenv(char *); 256 char *telnet_gets(char *, char *, int, int); 257 258 /* commands.c */ 259 int send_tncmd(void (*)(int, int), char *, char *); 260 void _setlist_init(void); 261 void set_escape_char(char *); 262 int set_mode(int); 263 int clear_mode(int); 264 int modehelp(int); 265 int suspend(int, char *[]); 266 int shell(int, char *[]); 267 int quit(int, char *[]); 268 int logout(int, char *[]); 269 int env_cmd(int, char *[]); 270 struct env_lst *env_find(unsigned char *); 271 void env_init(void); 272 struct env_lst *env_define(unsigned char *, unsigned char *); 273 struct env_lst *env_undefine(unsigned char *, unsigned char *); 274 struct env_lst *env_export(unsigned char *, unsigned char *); 275 struct env_lst *env_unexport(unsigned char *, unsigned char *); 276 struct env_lst *env_send(unsigned char *, unsigned char *); 277 struct env_lst *env_list(unsigned char *, unsigned char *); 278 unsigned char *env_default(int, int ); 279 unsigned char *env_getvalue(unsigned char *); 280 void env_varval(unsigned char *); 281 int auth_cmd(int, char *[]); 282 int ayt_status(void); 283 int encrypt_cmd(int, char *[]); 284 int tn(int, char *[]); 285 void command(int, char *, int); 286 void cmdrc(const char *, const char *); 287 struct addrinfo; 288 int sourceroute(struct addrinfo *, char *, char **, int *, int*); 289 290 /* main.c */ 291 void tninit(void); 292 void usage(void); 293 294 /* network.c */ 295 void init_network(void); 296 int stilloob(void); 297 void setneturg(void); 298 int netflush(void); 299 300 /* sys_bsd.c */ 301 void init_sys(void); 302 int TerminalWrite(char *, int); 303 int TerminalRead(unsigned char *, int); 304 int TerminalAutoFlush(void); 305 int TerminalSpecialChars(int); 306 void TerminalFlushOutput(void); 307 void TerminalSaveState(void); 308 cc_t *tcval(int); 309 void TerminalDefaultChars(void); 310 void TerminalRestoreState(void); 311 void TerminalNewMode(int); 312 void TerminalSpeeds(long *, long *); 313 int TerminalWindowSize(long *, long *); 314 int NetClose(int); 315 void NetNonblockingIO(int, int); 316 void NetSigIO(int, int); 317 void NetSetPgrp(int); 318 void sys_telnet_init(void); 319 int process_rings(int , int , int , int , int , int); 320 321 /* telnet.c */ 322 void init_telnet(void); 323 void send_do(int, int ); 324 void send_dont(int, int ); 325 void send_will(int, int ); 326 void send_wont(int, int ); 327 void willoption(int); 328 void wontoption(int); 329 char **mklist(char *, char *); 330 int is_unique(char *, char **, char **); 331 int setup_term(char *, int, int *); 332 char *gettermname(void); 333 void lm_will(unsigned char *, int); 334 void lm_wont(unsigned char *, int); 335 void lm_do(unsigned char *, int); 336 void lm_dont(unsigned char *, int); 337 void lm_mode(unsigned char *, int, int ); 338 void slc_init(void); 339 void slcstate(void); 340 void slc_mode_export(int); 341 void slc_mode_import(int); 342 void slc_import(int); 343 void slc_export(void); 344 void slc(unsigned char *, int); 345 void slc_check(void); 346 void slc_start_reply(void); 347 void slc_add_reply(unsigned int, unsigned int, cc_t); 348 void slc_end_reply(void); 349 int slc_update(void); 350 void env_opt(unsigned char *, int); 351 void env_opt_start(void); 352 void env_opt_start_info(void); 353 void env_opt_add(unsigned char *); 354 int opt_welldefined(char *); 355 void env_opt_end(int); 356 int telrcv(void); 357 int rlogin_susp(void); 358 int Scheduler(int); 359 void telnet(const char *); 360 void xmitAO(void); 361 void xmitEL(void); 362 void xmitEC(void); 363 int dosynch(char *); 364 int get_status(char *); 365 void intp(void); 366 void sendbrk(void); 367 void sendabort(void); 368 void sendsusp(void); 369 void sendeof(void); 370 void sendayt(void); 371 void sendnaws(void); 372 void tel_enter_binary(int); 373 void tel_leave_binary(int); 374 375 /* terminal.c */ 376 void init_terminal(void); 377 int ttyflush(int); 378 int getconnmode(void); 379 void setconnmode(int); 380 void setcommandmode(void); 381 382 /* utilities.c */ 383 void upcase(char *); 384 int SetSockOpt(int, int, int, int); 385 void SetNetTrace(char *); 386 void Dump(int, unsigned char *, int); 387 void printoption(char *, int, int ); 388 void optionstatus(void); 389 void printsub(int, unsigned char *, int); 390 void EmptyTerminal(void); 391 void SetForExit(void); 392 void Exit(int) __attribute__((__noreturn__)); 393 void ExitString(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 # define termEofCharp &termEofChar 498 # define termEraseCharp &termEraseChar 499 # define termIntCharp &termIntChar 500 # define termKillCharp &termKillChar 501 # define termQuitCharp &termQuitChar 502 # define termSuspCharp &termSuspChar 503 # define termFlushCharp &termFlushChar 504 # define termWerasCharp &termWerasChar 505 # define termRprntCharp &termRprntChar 506 # define termLiteralNextCharp &termLiteralNextChar 507 # define termStartCharp &termStartChar 508 # define termStopCharp &termStopChar 509 # define termForw1Charp &termForw1Char 510 # define termForw2Charp &termForw2Char 511 # define termAytCharp &termAytChar 512 #endif 513 514 515 /* Tn3270 section */ 516 #if defined(TN3270) 517 518 extern int 519 HaveInput, /* Whether an asynchronous I/O indication came in */ 520 noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ 521 noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ 522 sigiocount, /* Count of SIGIO receptions */ 523 shell_active; /* Subshell is active */ 524 525 extern char 526 *Ibackp, /* Oldest byte of 3270 data */ 527 Ibuf[], /* 3270 buffer */ 528 *Ifrontp, /* Where next 3270 byte goes */ 529 tline[200], 530 *transcom; /* Transparent command */ 531 532 /* tn3270.c */ 533 void init_3270(void); 534 int DataToNetwork(char *, int, int); 535 void inputAvailable(int); 536 void outputPurge(void); 537 int DataToTerminal(char *, int); 538 int Push3270(void); 539 void Finish3270(void); 540 void StringToTerminal(char *); 541 int _putchar(int); 542 void SetIn3270(void); 543 int tn3270_ttype(void); 544 int settranscom(int, char *[]); 545 int shell_continue(void); 546 int DataFromTerminal(char *, int); 547 int DataFromNetwork(char *, int, int); 548 void ConnectScreen(void); 549 int DoTerminalOutput(void); 550 551 #endif /* defined(TN3270) */ 552
Indexes created Sat Sep 27 22:09:54 GMT 2025