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| Current File : //usr/src/crypto/heimdal/appl/telnet/telnet/externs.h |
/*
* Copyright (c) 1988, 1990, 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.
*
* @(#)externs.h 8.3 (Berkeley) 5/30/95
*/
/* $Id: externs.h 21734 2007-07-31 01:55:45Z lha $ */
#ifndef BSD
# define BSD 43
#endif
#ifndef _POSIX_VDISABLE
# ifdef sun
# include <sys/param.h> /* pick up VDISABLE definition, mayby */
# endif
# ifdef VDISABLE
# define _POSIX_VDISABLE VDISABLE
# else
# define _POSIX_VDISABLE ((cc_t)'\377')
# endif
#endif
#define SUBBUFSIZE 256
extern int
autologin, /* Autologin enabled */
skiprc, /* Don't process the ~/.telnetrc file */
eight, /* use eight bit mode (binary in and/or out */
binary,
flushout, /* flush output */
connected, /* Are we connected to the other side? */
globalmode, /* Mode tty should be in */
telnetport, /* Are we connected to the telnet port? */
localflow, /* Flow control handled locally */
restartany, /* If flow control, restart output on any character */
localchars, /* we recognize interrupt/quit */
donelclchars, /* the user has set "localchars" */
showoptions,
wantencryption, /* User has requested encryption */
net, /* Network file descriptor */
tin, /* Terminal input file descriptor */
tout, /* Terminal output file descriptor */
crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
autoflush, /* flush output when interrupting? */
autosynch, /* send interrupt characters with SYNCH? */
SYNCHing, /* Is the stream in telnet SYNCH mode? */
donebinarytoggle, /* the user has put us in binary */
dontlecho, /* do we suppress local echoing right now? */
crmod,
netdata, /* Print out network data flow */
prettydump, /* Print "netdata" output in user readable format */
termdata, /* Print out terminal data flow */
debug; /* Debug level */
extern int intr_happened, intr_waiting; /* for interrupt handling */
extern cc_t escape; /* Escape to command mode */
extern cc_t rlogin; /* Rlogin mode escape character */
#ifdef KLUDGELINEMODE
extern cc_t echoc; /* Toggle local echoing */
#endif
extern char
*prompt; /* Prompt for command. */
extern char
doopt[],
dont[],
will[],
wont[],
do_dont_resp[],
will_wont_resp[],
options[], /* All the little options */
*hostname; /* Who are we connected to? */
#if defined(ENCRYPTION)
extern void (*encrypt_output) (unsigned char *, int);
extern int (*decrypt_input) (int);
#endif
/*
* We keep track of each side of the option negotiation.
*/
#define MY_STATE_WILL 0x01
#define MY_WANT_STATE_WILL 0x02
#define MY_STATE_DO 0x04
#define MY_WANT_STATE_DO 0x08
/*
* Macros to check the current state of things
*/
#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
#define my_state_is_dont(opt) (!my_state_is_do(opt))
#define my_state_is_wont(opt) (!my_state_is_will(opt))
#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
#define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
#define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
#define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
#define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
/*
* Make everything symmetrical
*/
#define HIS_STATE_WILL MY_STATE_DO
#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
#define HIS_STATE_DO MY_STATE_WILL
#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
#define his_state_is_do my_state_is_will
#define his_state_is_will my_state_is_do
#define his_want_state_is_do my_want_state_is_will
#define his_want_state_is_will my_want_state_is_do
#define his_state_is_dont my_state_is_wont
#define his_state_is_wont my_state_is_dont
#define his_want_state_is_dont my_want_state_is_wont
#define his_want_state_is_wont my_want_state_is_dont
#define set_his_state_do set_my_state_will
#define set_his_state_will set_my_state_do
#define set_his_want_state_do set_my_want_state_will
#define set_his_want_state_will set_my_want_state_do
#define set_his_state_dont set_my_state_wont
#define set_his_state_wont set_my_state_dont
#define set_his_want_state_dont set_my_want_state_wont
#define set_his_want_state_wont set_my_want_state_dont
extern FILE
*NetTrace; /* Where debugging output goes */
extern char
NetTraceFile[]; /* Name of file where debugging output goes */
extern void
SetNetTrace (char *); /* Function to change where debugging goes */
extern jmp_buf
peerdied,
toplevel; /* For error conditions. */
int Scheduler(int);
extern int scheduler_lockout_tty;
/* authenc.c */
#if defined(AUTHENTICATION) || defined(ENCRYPTION)
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);
#endif
/* commands.c */
struct env_lst *env_define (unsigned char *, unsigned char *);
struct env_lst *env_find(unsigned char *var);
void env_init (void);
void env_undefine (unsigned char *);
void env_export (unsigned char *);
void env_unexport (unsigned char *);
void env_send (unsigned char *);
void env_list (void);
unsigned char * env_default(int init, int welldefined);
unsigned char * env_getvalue(unsigned char *var);
void set_escape_char(char *s);
int sourceroute(struct addrinfo *ai, char *arg, char **cpp,
int *prototp, int *optp);
#if defined(AUTHENTICATION)
int auth_enable (char *);
int auth_disable (char *);
int auth_status (void);
#endif
#if defined(ENCRYPTION)
int EncryptEnable (char *, char *);
int EncryptDisable (char *, char *);
int EncryptType (char *, char *);
int EncryptStart (char *);
int EncryptStartInput (void);
int EncryptStartOutput (void);
int EncryptStop (char *);
int EncryptStopInput (void);
int EncryptStopOutput (void);
int EncryptStatus (void);
#endif
#ifdef SIGINFO
RETSIGTYPE ayt_status(int);
#endif
int tn(int argc, char **argv);
void command(int top, char *tbuf, int cnt);
/* main.c */
void tninit(void);
void set_forward_options(void);
/* network.c */
void init_network(void);
int stilloob(void);
void setneturg(void);
int netflush(void);
/* sys_bsd.c */
void init_sys(void);
int TerminalWrite(char *buf, int n);
int TerminalRead(unsigned char *buf, int n);
int TerminalAutoFlush(void);
int TerminalSpecialChars(int c);
void TerminalFlushOutput(void);
void TerminalSaveState(void);
void TerminalDefaultChars(void);
void TerminalNewMode(int f);
cc_t *tcval(int func);
void TerminalSpeeds(long *input_speed, long *output_speed);
int TerminalWindowSize(long *rows, long *cols);
int NetClose(int fd);
void NetNonblockingIO(int fd, int onoff);
int process_rings(int netin, int netout, int netex, int ttyin, int ttyout,
int poll);
/* telnet.c */
void init_telnet(void);
void tel_leave_binary(int rw);
void tel_enter_binary(int rw);
int opt_welldefined(char *ep);
int telrcv(void);
int rlogin_susp(void);
void intp(void);
void sendbrk(void);
void sendabort(void);
void sendsusp(void);
void sendeof(void);
void sendayt(void);
void xmitAO(void);
void xmitEL(void);
void xmitEC(void);
void Dump (char, unsigned char *, int);
void printoption (char *, int, int);
void printsub (int, unsigned char *, int);
void sendnaws (void);
void setconnmode (int);
void setcommandmode (void);
void setneturg (void);
void sys_telnet_init (void);
void my_telnet (char *);
void tel_enter_binary (int);
void TerminalFlushOutput (void);
void TerminalNewMode (int);
void TerminalRestoreState (void);
void TerminalSaveState (void);
void willoption (int);
void wontoption (int);
void send_do (int, int);
void send_dont (int, int);
void send_will (int, int);
void send_wont (int, int);
void lm_will (unsigned char *, int);
void lm_wont (unsigned char *, int);
void lm_do (unsigned char *, int);
void lm_dont (unsigned char *, int);
void lm_mode (unsigned char *, int, int);
void slc_init (void);
void slcstate (void);
void slc_mode_export (void);
void slc_mode_import (int);
void slc_import (int);
void slc_export (void);
void slc (unsigned char *, int);
void slc_check (void);
void slc_start_reply (void);
void slc_add_reply (unsigned char, unsigned char, cc_t);
void slc_end_reply (void);
int slc_update (void);
void env_opt (unsigned char *, int);
void env_opt_start (void);
void env_opt_start_info (void);
void env_opt_add (unsigned char *);
void env_opt_end (int);
unsigned char *env_default (int, int);
unsigned char *env_getvalue (unsigned char *);
int get_status (void);
int dosynch (void);
cc_t *tcval (int);
int quit (void);
/* terminal.c */
void init_terminal(void);
int ttyflush(int drop);
int getconnmode(void);
/* utilities.c */
int SetSockOpt(int fd, int level, int option, int yesno);
void SetNetTrace(char *file);
void Dump(char direction, unsigned char *buffer, int length);
void printoption(char *direction, int cmd, int option);
void optionstatus(void);
void printsub(int direction, unsigned char *pointer, int length);
void EmptyTerminal(void);
void SetForExit(void);
void Exit(int returnCode);
void ExitString(char *string, int returnCode);
extern struct termios new_tc;
# define termEofChar new_tc.c_cc[VEOF]
# define termEraseChar new_tc.c_cc[VERASE]
# define termIntChar new_tc.c_cc[VINTR]
# define termKillChar new_tc.c_cc[VKILL]
# define termQuitChar new_tc.c_cc[VQUIT]
# ifndef VSUSP
extern cc_t termSuspChar;
# else
# define termSuspChar new_tc.c_cc[VSUSP]
# endif
# if defined(VFLUSHO) && !defined(VDISCARD)
# define VDISCARD VFLUSHO
# endif
# ifndef VDISCARD
extern cc_t termFlushChar;
# else
# define termFlushChar new_tc.c_cc[VDISCARD]
# endif
# ifndef VWERASE
extern cc_t termWerasChar;
# else
# define termWerasChar new_tc.c_cc[VWERASE]
# endif
# ifndef VREPRINT
extern cc_t termRprntChar;
# else
# define termRprntChar new_tc.c_cc[VREPRINT]
# endif
# ifndef VLNEXT
extern cc_t termLiteralNextChar;
# else
# define termLiteralNextChar new_tc.c_cc[VLNEXT]
# endif
# ifndef VSTART
extern cc_t termStartChar;
# else
# define termStartChar new_tc.c_cc[VSTART]
# endif
# ifndef VSTOP
extern cc_t termStopChar;
# else
# define termStopChar new_tc.c_cc[VSTOP]
# endif
# ifndef VEOL
extern cc_t termForw1Char;
# else
# define termForw1Char new_tc.c_cc[VEOL]
# endif
# ifndef VEOL2
extern cc_t termForw2Char;
# else
# define termForw2Char new_tc.c_cc[VEOL]
# endif
# ifndef VSTATUS
extern cc_t termAytChar;
#else
# define termAytChar new_tc.c_cc[VSTATUS]
#endif
/* Ring buffer structures which are shared */
extern Ring
netoring,
netiring,
ttyoring,
ttyiring;
extern int resettermname;
extern int linemode;
#ifdef KLUDGELINEMODE
extern int kludgelinemode;
#endif
extern int want_status_response;