/* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ext.h 8.2 (Berkeley) 12/15/93 */ /* $KTH: ext.h,v 1.22 2001/04/24 23:12:11 assar Exp $ */ #ifndef __EXT_H__ #define __EXT_H__ #include /* * Telnet server variable declarations */ extern char options[256]; extern char do_dont_resp[256]; extern char will_wont_resp[256]; extern int flowmode; /* current flow control state */ extern int restartany; /* restart output on any character state */ #ifdef DIAGNOSTICS extern int diagnostic; /* telnet diagnostic capabilities */ #endif /* DIAGNOSTICS */ extern int require_otp; #ifdef AUTHENTICATION extern int auth_level; #endif extern const char *new_login; extern slcfun slctab[NSLC + 1]; /* slc mapping table */ extern char *terminaltype; /* * I/O data buffers, pointers, and counters. */ extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp; extern char netibuf[BUFSIZ], *netip; extern char netobuf[BUFSIZ+NETSLOP], *nfrontp, *nbackp; extern char *neturg; /* one past last bye of urgent data */ extern int pcc, ncc; extern int ourpty, net; extern char *line; extern int SYNCHing; /* we are in TELNET SYNCH mode */ int telnet_net_write (unsigned char *str, int len); void net_encrypt (void); int telnet_spin (void); char *telnet_getenv (const char *val); char *telnet_gets (char *prompt, char *result, int length, int echo); void get_slc_defaults (void); void telrcv (void); void send_do (int option, int init); void willoption (int option); void send_dont (int option, int init); void wontoption (int option); void send_will (int option, int init); void dooption (int option); void send_wont (int option, int init); void dontoption (int option); void suboption (void); void doclientstat (void); void send_status (void); void init_termbuf (void); void set_termbuf (void); int spcset (int func, cc_t *valp, cc_t **valpp); void set_utid (void); int getpty (int *ptynum); int tty_isecho (void); int tty_flowmode (void); int tty_restartany (void); void tty_setecho (int on); int tty_israw (void); void tty_binaryin (int on); void tty_binaryout (int on); int tty_isbinaryin (void); int tty_isbinaryout (void); int tty_issofttab (void); void tty_setsofttab (int on); int tty_islitecho (void); void tty_setlitecho (int on); int tty_iscrnl (void); void tty_tspeed (int val); void tty_rspeed (int val); void getptyslave (void); int cleanopen (char *line); void startslave (const char *host, const char *, int autologin, char *autoname); void init_env (void); void start_login (const char *host, int autologin, char *name); void cleanup (int sig); int main (int argc, char **argv); int getterminaltype (char *name, size_t); void _gettermname (void); int terminaltypeok (char *s); void my_telnet (int f, int p, const char*, const char *, int, char*); void interrupt (void); void sendbrk (void); void sendsusp (void); void recv_ayt (void); void doeof (void); void flowstat (void); void clientstat (int code, int parm1, int parm2); int ttloop (void); int stilloob (int s); void ptyflush (void); char *nextitem (char *current); void netclear (void); void netflush (void); void writenet (unsigned char *ptr, int len); void fatal (int f, char *msg); void fatalperror (int f, const char *msg); void fatalperror_errno (int f, const char *msg, int error); void edithost (char *pat, char *host); void putstr (char *s); void putchr (int cc); void putf (char *cp, char *where); void printoption (char *fmt, int option); void printsub (int direction, unsigned char *pointer, int length); void printdata (char *tag, char *ptr, int cnt); int login_tty(int t); #ifdef ENCRYPTION extern void (*encrypt_output) (unsigned char *, int); extern int (*decrypt_input) (int); extern char *nclearto; #endif /* * The following are some clocks used to decide how to interpret * the relationship between various variables. */ struct clocks_t{ int system, /* what the current time is */ echotoggle, /* last time user entered echo character */ modenegotiated, /* last time operating mode negotiated */ didnetreceive, /* last time we read data from network */ ttypesubopt, /* ttype subopt is received */ tspeedsubopt, /* tspeed subopt is received */ environsubopt, /* environ subopt is received */ oenvironsubopt, /* old environ subopt is received */ xdisplocsubopt, /* xdisploc subopt is received */ baseline, /* time started to do timed action */ gotDM; /* when did we last see a data mark */ }; extern struct clocks_t clocks; extern int log_unauth; extern int no_warn; #ifdef STREAMSPTY extern int really_stream; #endif #ifndef USE_IM # ifdef CRAY # define USE_IM "Cray UNICOS (%h) (%t)" # endif # ifdef _AIX # define USE_IM "%s %v.%r (%h) (%t)" # endif # ifndef USE_IM # define USE_IM "%s %r (%h) (%t)" # endif #endif #define DEFAULT_IM "\r\n\r\n" USE_IM "\r\n\r\n\r\n" #endif /* __EXT_H__ */