telnetd.tproj/ext.h

   1 /*
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)ext.h       8.2 (Berkeley) 12/15/93
  34  * $FreeBSD: src/libexec/telnetd/ext.h,v 1.9 2001/07/20 15:14:03 ru Exp $
  35  */
  36
  37 /*
  38  * Telnet server variable declarations
  39  */
  40 extern char     options[256];
  41 extern char     do_dont_resp[256];
  42 extern char     will_wont_resp[256];
  43 extern int      linemode;       /* linemode on/off */
  44 #ifdef  LINEMODE
  45 extern int      uselinemode;    /* what linemode to use (on/off) */
  46 extern int      editmode;       /* edit modes in use */
  47 extern int      useeditmode;    /* edit modes to use */
  48 extern int      alwayslinemode; /* command line option */
  49 # ifdef KLUDGELINEMODE
  50 extern int      lmodetype;      /* Client support for linemode */
  51 # endif /* KLUDGELINEMODE */
  52 #endif  /* LINEMODE */
  53 extern int      flowmode;       /* current flow control state */
  54 extern int      restartany;     /* restart output on any character state */
  55 #ifdef DIAGNOSTICS
  56 extern int      diagnostic;     /* telnet diagnostic capabilities */
  57 #endif /* DIAGNOSTICS */
  58 #ifdef BFTPDAEMON
  59 extern int      bftpd;          /* behave as bftp daemon */
  60 #endif /* BFTPDAEMON */
  61 #if     defined(SecurID)
  62 extern int      require_SecurID;
  63 #endif
  64 #if     defined(AUTHENTICATION)
  65 extern int      auth_level;
  66 #endif
  67
  68 extern slcfun   slctab[NSLC + 1];       /* slc mapping table */
  69
  70 extern char     *terminaltype;
  71
  72 /*
  73  * I/O data buffers, pointers, and counters.
  74  */
  75 extern char     ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp;
  76
  77 extern char     netibuf[BUFSIZ], *netip;
  78
  79 extern char     netobuf[BUFSIZ], *nfrontp, *nbackp;
  80 extern char     *neturg;                /* one past last bye of urgent data */
  81
  82 extern int      pcc, ncc;
  83
  84 #if defined(CRAY2) && defined(UNICOS5)
  85 extern int unpcc;  /* characters left unprocessed by CRAY-2 terminal routine */
  86 extern char *unptyip;  /* pointer to remaining characters in buffer */
  87 #endif
  88
  89 extern int      pty, net;
  90 extern char     line[16];
  91 extern int      SYNCHing;               /* we are in TELNET SYNCH mode */
  92
  93 #ifndef P
  94 # ifdef __STDC__
  95 #  define P(x)  x
  96 # else
  97 #  define P(x)  ()
  98 # endif
  99 #endif
 100
 101 extern void
 102         _termstat P((void)),
 103         add_slc P((int, int, int)),
 104         check_slc P((void)),
 105         change_slc P((int, int, int)),
 106         cleanup P((int)),
 107         clientstat P((int, int, int)),
 108         copy_termbuf P((char *, int)),
 109         deferslc P((void)),
 110         defer_terminit P((void)),
 111         do_opt_slc P((unsigned char *, int)),
 112         doeof P((void)),
 113         dooption P((int)),
 114         dontoption P((int)),
 115         edithost P((char *, char *)),
 116         fatal P((int, char *)),
 117         fatalperror P((int, char *)),
 118         get_slc_defaults P((void)),
 119         init_env P((void)),
 120         init_termbuf P((void)),
 121         interrupt P((void)),
 122         localstat P((void)),
 123         flowstat P((void)),
 124         netclear P((void)),
 125         netflush P((void)),
 126 #ifdef DIAGNOSTICS
 127         printoption P((char *, int)),
 128         printdata P((char *, char *, int)),
 129         printsub P((int, unsigned char *, int)),
 130 #endif
 131         ptyflush P((void)),
 132         putchr P((int)),
 133         putf P((char *, char *)),
 134         recv_ayt P((void)),
 135         send_do P((int, int)),
 136         send_dont P((int, int)),
 137         send_slc P((void)),
 138         send_status P((void)),
 139         send_will P((int, int)),
 140         send_wont P((int, int)),
 141         sendbrk P((void)),
 142         sendsusp P((void)),
 143         set_termbuf P((void)),
 144         start_login P((char *, int, char *)),
 145         start_slc P((int)),
 146 #if     defined(AUTHENTICATION)
 147         start_slave P((char *)),
 148 #else
 149         start_slave P((char *, int, char *)),
 150 #endif
 151         suboption P((void)),
 152         telrcv P((void)),
 153         ttloop P((void)),
 154         tty_binaryin P((int)),
 155         tty_binaryout P((int));
 156
 157 extern int
 158         end_slc P((unsigned char **)),
 159         getnpty P((void)),
 160 #ifndef convex
 161         getpty P((int *)),
 162 #endif
 163         login_tty P((int)),
 164         spcset P((int, cc_t *, cc_t **)),
 165         stilloob P((int)),
 166         terminit P((void)),
 167         termstat P((void)),
 168         tty_flowmode P((void)),
 169         tty_restartany P((void)),
 170         tty_isbinaryin P((void)),
 171         tty_isbinaryout P((void)),
 172         tty_iscrnl P((void)),
 173         tty_isecho P((void)),
 174         tty_isediting P((void)),
 175         tty_islitecho P((void)),
 176         tty_isnewmap P((void)),
 177         tty_israw P((void)),
 178         tty_issofttab P((void)),
 179         tty_istrapsig P((void)),
 180         tty_linemode P((void));
 181
 182 extern void
 183         tty_rspeed P((int)),
 184         tty_setecho P((int)),
 185         tty_setedit P((int)),
 186         tty_setlinemode P((int)),
 187         tty_setlitecho P((int)),
 188         tty_setsig P((int)),
 189         tty_setsofttab P((int)),
 190         tty_tspeed P((int)),
 191         willoption P((int)),
 192         wontoption P((int));
 193
 194 int     output_data __P((const char *, ...));
 195 void    output_datalen __P((const char *, int));
 196
 197
 198
 199 /*
 200  * The following are some clocks used to decide how to interpret
 201  * the relationship between various variables.
 202  */
 203
 204 extern struct {
 205     int
 206         system,                 /* what the current time is */
 207         echotoggle,             /* last time user entered echo character */
 208         modenegotiated,         /* last time operating mode negotiated */
 209         didnetreceive,          /* last time we read data from network */
 210         ttypesubopt,            /* ttype subopt is received */
 211         tspeedsubopt,           /* tspeed subopt is received */
 212         environsubopt,          /* environ subopt is received */
 213         oenvironsubopt,         /* old environ subopt is received */
 214         xdisplocsubopt,         /* xdisploc subopt is received */
 215         baseline,               /* time started to do timed action */
 216         gotDM;                  /* when did we last see a data mark */
 217 } clocks;
 218
 219
 220 #if     defined(CRAY2) && defined(UNICOS5)
 221 extern int      needtermstat;
 222 #endif
 223
 224 #ifndef DEFAULT_IM
 225 # ifdef CRAY
 226 #  define DEFAULT_IM    "\r\n\r\nCray UNICOS (%h) (%t)\r\n\r\r\n\r"
 227 # else
 228 #  ifdef sun
 229 #   define DEFAULT_IM   "\r\n\r\nSunOS UNIX (%h) (%t)\r\n\r\r\n\r"
 230 #  else
 231 #   ifdef ultrix
 232 #    define DEFAULT_IM  "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r"
 233 #   else
 234 #    define DEFAULT_IM  "\r\n\r\nFreeBSD (%h) (%t)\r\n\r\r\n\r"
 235 #   endif
 236 #  endif
 237 # endif
 238 #endif