usr/src/cmd/cmd-inet/usr.bin/telnet/externs.h

   1 /*
   2  * Copyright 1994-2002 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5
   6 /*
   7  * Copyright (c) 1988, 1990, 1993
   8  *      The Regents of the University of California.  All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)externs.h   8.1 (Berkeley) 6/6/93
  39  */
  40
  41 #ifndef _EXTERNS_H
  42 #define _EXTERNS_H
  43
  44 #pragma ident   "%Z%%M% %I%     %E% SMI"
  45
  46 #ifdef  __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 #include <libintl.h>
  51 #include <stdio.h>
  52 #include <setjmp.h>
  53 #include <sys/filio.h>
  54 #ifdef  USE_TERMIO
  55 #include <sys/termios.h>
  56 #define termio termios
  57 #endif
  58 #if defined(NO_CC_T) || !defined(USE_TERMIO)
  59 #if !defined(USE_TERMIO)
  60 typedef char cc_t;
  61 #else
  62 typedef unsigned char cc_t;
  63 #endif
  64 #endif
  65
  66 #include "auth.h"
  67 #include "encrypt.h"
  68 #include <profile/prof_int.h>
  69
  70 extern profile_options_boolean  config_file_options[];
  71 #define forwardable_flag_set    config_file_options[0].found
  72 #define forward_flag_set        config_file_options[1].found
  73 #define encrypt_flag_set        config_file_options[2].found
  74 #define autologin_set           config_file_options[3].found
  75
  76 #include <string.h>
  77
  78 #ifndef _POSIX_VDISABLE
  79 #include <sys/param.h>  /* pick up VDISABLE definition, mayby */
  80 #ifdef VDISABLE
  81 #define _POSIX_VDISABLE VDISABLE
  82 #else
  83 #define _POSIX_VDISABLE ((cc_t)'\377')
  84 #endif
  85 #endif
  86
  87 #include <wait.h>
  88 #include <stdlib.h>
  89 #include <unistd.h>
  90
  91
  92 #define SUBBUFSIZE      256
  93
  94 extern int autologin;   /* Autologin enabled */
  95 extern int skiprc;      /* Don't process the ~/.telnetrc file */
  96 extern int eight;       /* use eight bit mode (binary in and/or out */
  97 extern int flushout;    /* flush output */
  98 extern int connected;   /* Are we connected to the other side? */
  99 extern int globalmode;  /* Mode tty should be in */
 100 extern int telnetport;  /* Are we connected to the telnet port? */
 101 extern int localflow;   /* Flow control handled locally */
 102 extern int restartany;  /* If flow control, restart output on any character */
 103 extern int localchars;  /* we recognize interrupt/quit */
 104 extern int donelclchars; /* the user has set "localchars" */
 105 extern int showoptions;
 106 extern int net;         /* Network file descriptor */
 107 extern int tout;        /* Terminal output file descriptor */
 108 extern int crlf;        /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
 109 extern int autoflush;   /* flush output when interrupting? */
 110 extern int autosynch;   /* send interrupt characters with SYNCH? */
 111 extern int SYNCHing;    /* Is the stream in telnet SYNCH mode? */
 112 extern int donebinarytoggle;    /* the user has put us in binary */
 113 extern int dontlecho;   /* do we suppress local echoing right now? */
 114 extern int crmod;
 115 extern int netdata;     /* Print out network data flow */
 116 extern int prettydump;  /* Print "netdata" output in user readable format */
 117 extern int termdata;    /* Print out terminal data flow */
 118 extern int eof_pending; /* Received EOF in line mode, need to send IAC-xEOF */
 119 extern int debug;       /* Debug level */
 120
 121
 122 extern int krb5auth_flag;
 123 extern char *RemoteHostName;
 124 extern char *UserNameRequested;
 125 extern int forwardable_flag;
 126 extern int forward_flag;
 127 extern boolean_t wantencryption;        /* User has requested encryption */
 128 extern int encrypt_flag;                /* for reading config file for Krb5 */
 129
 130 extern boolean_t Ambiguous(void *);
 131 extern boolean_t intr_happened; /* for interrupt handling */
 132 extern boolean_t intr_waiting;
 133
 134 extern cc_t escape;     /* Escape to command mode */
 135 extern cc_t rlogin;     /* Rlogin mode escape character */
 136 extern boolean_t escape_valid;
 137 #ifdef  KLUDGELINEMODE
 138 extern cc_t echoc;      /* Toggle local echoing */
 139 #endif
 140
 141 extern char *prompt;    /* Prompt for command. */
 142
 143 extern char doopt[];
 144 extern char dont[];
 145 extern char will[];
 146 extern char wont[];
 147 extern char options[];  /* All the little options */
 148 extern char *hostname;  /* Who are we connected to? */
 149 extern void (*encrypt_output) (unsigned char *, int);
 150 extern int (*decrypt_input) (int);
 151
 152 /*
 153  * We keep track of each side of the option negotiation.
 154  */
 155
 156 #define MY_STATE_WILL           0x01
 157 #define MY_WANT_STATE_WILL      0x02
 158 #define MY_STATE_DO             0x04
 159 #define MY_WANT_STATE_DO        0x08
 160
 161 /*
 162  * Macros to check the current state of things
 163  */
 164
 165 #define my_state_is_do(opt)             (options[opt]&MY_STATE_DO)
 166 #define my_state_is_will(opt)           (options[opt]&MY_STATE_WILL)
 167 #define my_want_state_is_do(opt)        (options[opt]&MY_WANT_STATE_DO)
 168 #define my_want_state_is_will(opt)      (options[opt]&MY_WANT_STATE_WILL)
 169
 170 #define my_state_is_dont(opt)           (!my_state_is_do(opt))
 171 #define my_state_is_wont(opt)           (!my_state_is_will(opt))
 172 #define my_want_state_is_dont(opt)      (!my_want_state_is_do(opt))
 173 #define my_want_state_is_wont(opt)      (!my_want_state_is_will(opt))
 174
 175 #define set_my_state_do(opt)            {options[opt] |= MY_STATE_DO; }
 176 #define set_my_state_will(opt)          {options[opt] |= MY_STATE_WILL; }
 177 #define set_my_want_state_do(opt)       {options[opt] |= MY_WANT_STATE_DO; }
 178 #define set_my_want_state_will(opt)     {options[opt] |= MY_WANT_STATE_WILL; }
 179
 180 #define set_my_state_dont(opt)          {options[opt] &= ~MY_STATE_DO; }
 181 #define set_my_state_wont(opt)          {options[opt] &= ~MY_STATE_WILL; }
 182 #define set_my_want_state_dont(opt)     {options[opt] &= ~MY_WANT_STATE_DO; }
 183 #define set_my_want_state_wont(opt)     {options[opt] &= ~MY_WANT_STATE_WILL; }
 184
 185 /*
 186  * Make everything symetrical
 187  */
 188
 189 #define HIS_STATE_WILL                  MY_STATE_DO
 190 #define HIS_WANT_STATE_WILL             MY_WANT_STATE_DO
 191 #define HIS_STATE_DO                    MY_STATE_WILL
 192 #define HIS_WANT_STATE_DO               MY_WANT_STATE_WILL
 193
 194 #define his_state_is_do                 my_state_is_will
 195 #define his_state_is_will               my_state_is_do
 196 #define his_want_state_is_do            my_want_state_is_will
 197 #define his_want_state_is_will          my_want_state_is_do
 198
 199 #define his_state_is_dont               my_state_is_wont
 200 #define his_state_is_wont               my_state_is_dont
 201 #define his_want_state_is_dont          my_want_state_is_wont
 202 #define his_want_state_is_wont          my_want_state_is_dont
 203
 204 #define set_his_state_do                set_my_state_will
 205 #define set_his_state_will              set_my_state_do
 206 #define set_his_want_state_do           set_my_want_state_will
 207 #define set_his_want_state_will         set_my_want_state_do
 208
 209 #define set_his_state_dont              set_my_state_wont
 210 #define set_his_state_wont              set_my_state_dont
 211 #define set_his_want_state_dont         set_my_want_state_wont
 212 #define set_his_want_state_wont         set_my_want_state_dont
 213
 214
 215 extern FILE *NetTrace;          /* Where debugging output goes */
 216                                 /* Name of file where debugging output goes */
 217 extern unsigned char NetTraceFile[];
 218 extern void SetNetTrace(char *); /* Function to change where debugging goes */
 219
 220 extern jmp_buf peerdied;
 221 extern jmp_buf toplevel;        /* For error conditions. */
 222
 223 extern char *AllocStringBuffer(char **, unsigned int *, unsigned int);
 224 extern void ExitString(char *, int);
 225 extern void Exit(int);
 226 extern void command(int, char *, int);
 227 extern void Dump(int, unsigned char *, int);
 228 extern char *GetAndAppendString(char **, unsigned int *, char *, FILE *);
 229 extern char *GetString(char **, unsigned int *, FILE *);
 230 extern void init_network(void);
 231 extern void init_terminal(void);
 232 extern void init_sys(void);
 233 extern void optionstatus(void);
 234 extern void printoption(char *, int, int);
 235 extern void printsub(int, unsigned char *, int);
 236 extern void sendnaws(void);
 237 extern void setconnmode(int);
 238 extern void setcommandmode(void);
 239 extern void setneturg(void);
 240 extern void sys_telnet_init(void);
 241 extern void telnet(char *);
 242 extern void tel_enter_binary(int);
 243 extern void tel_leave_binary(int);
 244 extern void TerminalDefaultChars(void);
 245 extern void TerminalFlushOutput(void);
 246 extern void TerminalNewMode(int);
 247 extern void TerminalSaveState(void);
 248 extern void TerminalSpeeds(int *, int *);
 249 extern void upcase(char *);
 250
 251 extern void xmitEL(void);
 252 extern void xmitEC(void);
 253 extern void intp(void);
 254 extern void sendabort(void);
 255 extern void sendsusp(void);
 256 extern void set_escape_char(char *);
 257 extern void fatal_tty_error(char *);
 258
 259 extern void send_do(int, int);
 260 extern void send_dont(int, int);
 261 extern void send_will(int, int);
 262 extern void send_wont(int, int);
 263
 264 extern void lm_mode(unsigned char *, int, int);
 265
 266 extern void slcstate(void);
 267 extern void slc_mode_export(void);
 268 extern void slc_mode_import(int);
 269 extern void slc_check(void);
 270
 271 extern void env_opt_start_info(void);
 272 extern void env_opt_add(unsigned char *);
 273 extern void env_opt_end(int);
 274
 275 extern char **genget(char *, char **, int);
 276 extern unsigned char *env_default(int, int);
 277 extern unsigned char *env_getvalue(unsigned char *);
 278
 279 extern int env_init(void);
 280 extern int get_status(void);
 281 extern int init_telnet(void);
 282 extern int isprefix(register char *, register char *);
 283 extern int netflush(void);
 284 extern int opt_welldefined(char *);
 285 extern int process_rings(int, int, int, int, int, int);
 286 extern int quit(void);
 287 extern int rlogin_susp(void);
 288 extern int Scheduler(int);
 289 extern int SetSockOpt(int, int, int, int);
 290 extern int stilloob(void);
 291 extern int telrcv(void);
 292 extern int TerminalWindowSize(unsigned short *, unsigned short *);
 293 extern int TerminalWrite(char *, int);
 294 extern int TerminalSpecialChars(int);
 295 extern int tn(int, char **);
 296 extern int tninit(void);
 297 extern int ttyflush(int);
 298 extern int getconnmode(void);
 299 extern int xmitAO(void);
 300 extern int sendbrk(void);
 301 extern int dosynch(void);
 302
 303 extern cc_t *tcval(int);
 304
 305 extern void     auth_encrypt_init(char *, char *, char *);
 306 extern void     auth_encrypt_user(char *);
 307 extern int      net_write(unsigned char *, int len);
 308 extern void     net_encrypt(void);
 309 extern void     telnet_spin(void);
 310 extern void     printd(unsigned char *, int);
 311
 312 #ifndef USE_TERMIO
 313
 314 extern struct   tchars ntc;
 315 extern struct   ltchars nltc;
 316 extern struct   sgttyb nttyb;
 317
 318 #define termEofChar             ntc.t_eofc
 319 #define termEraseChar           nttyb.sg_erase
 320 #define termFlushChar           nltc.t_flushc
 321 #define termIntChar             ntc.t_intrc
 322 #define termKillChar            nttyb.sg_kill
 323 #define termLiteralNextChar     nltc.t_lnextc
 324 #define termQuitChar            ntc.t_quitc
 325 #define termSuspChar            nltc.t_suspc
 326 #define termRprntChar           nltc.t_rprntc
 327 #define termWerasChar           nltc.t_werasc
 328 #define termStartChar           ntc.t_startc
 329 #define termStopChar            ntc.t_stopc
 330 #define termForw1Char           ntc.t_brkc
 331 extern cc_t termForw2Char;
 332 extern cc_t termAytChar;
 333
 334 #define termEofCharp            (cc_t *)&ntc.t_eofc
 335 #define termEraseCharp          (cc_t *)&nttyb.sg_erase
 336 #define termFlushCharp          (cc_t *)&nltc.t_flushc
 337 #define termIntCharp            (cc_t *)&ntc.t_intrc
 338 #define termKillCharp           (cc_t *)&nttyb.sg_kill
 339 #define termLiteralNextCharp    (cc_t *)&nltc.t_lnextc
 340 #define termQuitCharp           (cc_t *)&ntc.t_quitc
 341 #define termSuspCharp           (cc_t *)&nltc.t_suspc
 342 #define termRprntCharp          (cc_t *)&nltc.t_rprntc
 343 #define termWerasCharp          (cc_t *)&nltc.t_werasc
 344 #define termStartCharp          (cc_t *)&ntc.t_startc
 345 #define termStopCharp           (cc_t *)&ntc.t_stopc
 346 #define termForw1Charp          (cc_t *)&ntc.t_brkc
 347 #define termForw2Charp          (cc_t *)&termForw2Char
 348 #define termAytCharp            (cc_t *)&termAytChar
 349
 350 #else
 351
 352 extern struct   termio new_tc;
 353
 354 #define termEofChar             new_tc.c_cc[VEOF]
 355 #define termEraseChar           new_tc.c_cc[VERASE]
 356 #define termIntChar             new_tc.c_cc[VINTR]
 357 #define termKillChar            new_tc.c_cc[VKILL]
 358 #define termQuitChar            new_tc.c_cc[VQUIT]
 359
 360 #define termSuspChar            new_tc.c_cc[VSUSP]
 361 #define termFlushChar           new_tc.c_cc[VDISCARD]
 362 #define termWerasChar           new_tc.c_cc[VWERASE]
 363 #define termRprntChar           new_tc.c_cc[VREPRINT]
 364 #define termLiteralNextChar     new_tc.c_cc[VLNEXT]
 365 #define termStartChar           new_tc.c_cc[VSTART]
 366 #define termStopChar            new_tc.c_cc[VSTOP]
 367 #define termForw1Char           new_tc.c_cc[VEOL]
 368 #define termForw2Char           new_tc.c_cc[VEOL]
 369 extern cc_t termAytChar;
 370
 371 #define termEofCharp            &termEofChar
 372 #define termEraseCharp          &termEraseChar
 373 #define termIntCharp            &termIntChar
 374 #define termKillCharp           &termKillChar
 375 #define termQuitCharp           &termQuitChar
 376 #define termSuspCharp           &termSuspChar
 377 #define termFlushCharp          &termFlushChar
 378 #define termWerasCharp          &termWerasChar
 379 #define termRprntCharp          &termRprntChar
 380 #define termLiteralNextCharp    &termLiteralNextChar
 381 #define termStartCharp          &termStartChar
 382 #define termStopCharp           &termStopChar
 383 #define termForw1Charp          &termForw1Char
 384 #define termForw2Charp          &termForw2Char
 385 #define termAytCharp            &termAytChar
 386 #endif
 387
 388
 389 /* Ring buffer structures which are shared */
 390
 391 #include "ring.h"
 392
 393 extern Ring netoring;
 394 extern Ring netiring;
 395 extern Ring ttyoring;
 396 extern Ring ttyiring;
 397
 398 #ifdef  __cplusplus
 399 }
 400 #endif
 401
 402 #endif  /* _EXTERNS_H */