259 lines
7.5 KiB
C
259 lines
7.5 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* @(#)defs.h 8.1 (Berkeley) 6/4/93
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Telnet server defines
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
|
|
#ifndef BSD
|
|
# define BSD 43
|
|
#endif
|
|
|
|
#if defined(PRINTOPTIONS) && defined(DIAGNOSTICS)
|
|
#define TELOPTS
|
|
#define TELCMDS
|
|
#define SLC_NAMES
|
|
#endif
|
|
|
|
#if defined(SYSV_TERMIO) && !defined(USE_TERMIO)
|
|
# define USE_TERMIO
|
|
#endif
|
|
|
|
#include <sys/socket.h>
|
|
#include <sys/wait.h>
|
|
#include <fcntl.h>
|
|
#include <sys/file.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
#ifndef FILIO_H
|
|
#include <sys/ioctl.h>
|
|
#else
|
|
#include <sys/filio.h>
|
|
#endif
|
|
|
|
#include <netinet/in.h>
|
|
|
|
#include <arpa/telnet.h>
|
|
|
|
#include <stdio.h>
|
|
#ifdef __STDC__
|
|
#include <stdlib.h>
|
|
#endif
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <netdb.h>
|
|
#include <syslog.h>
|
|
#ifndef LOG_DAEMON
|
|
#define LOG_DAEMON 0
|
|
#endif
|
|
#ifndef LOG_ODELAY
|
|
#define LOG_ODELAY 0
|
|
#endif
|
|
#include <ctype.h>
|
|
#ifndef NO_STRING_H
|
|
#include <string.h>
|
|
#else
|
|
#include <strings.h>
|
|
#endif
|
|
|
|
#ifndef USE_TERMIO
|
|
#include <sgtty.h>
|
|
#else
|
|
# ifdef SYSV_TERMIO
|
|
# include <termio.h>
|
|
# else
|
|
# include <termios.h>
|
|
# endif
|
|
#endif
|
|
#if !defined(USE_TERMIO) || defined(NO_CC_T)
|
|
typedef unsigned char cc_t;
|
|
#endif
|
|
|
|
#ifdef __STDC__
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#ifndef _POSIX_VDISABLE
|
|
# ifdef VDISABLE
|
|
# define _POSIX_VDISABLE VDISABLE
|
|
# else
|
|
# define _POSIX_VDISABLE ((unsigned char)'\377')
|
|
# endif
|
|
#endif
|
|
|
|
#if !defined(TIOCSCTTY) && defined(TCSETCTTY)
|
|
# define TIOCSCTTY TCSETCTTY
|
|
#endif
|
|
|
|
#ifndef FD_SET
|
|
#ifndef HAVE_fd_set
|
|
typedef struct fd_set { int fds_bits[1]; } fd_set;
|
|
#endif
|
|
|
|
#define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n)))
|
|
#define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n)))
|
|
#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n)))
|
|
#define FD_ZERO(p) ((p)->fds_bits[0] = 0)
|
|
#endif /* FD_SET */
|
|
|
|
/*
|
|
* I/O data buffers defines
|
|
*/
|
|
#define NETSLOP 64
|
|
|
|
#define NIACCUM(c) { *netip++ = c; \
|
|
ncc++; \
|
|
}
|
|
|
|
/* clock manipulations */
|
|
#define settimer(x) (clocks.x = ++clocks.system)
|
|
#define sequenceIs(x,y) (clocks.x < clocks.y)
|
|
|
|
/*
|
|
* Linemode support states, in decreasing order of importance
|
|
*/
|
|
#define REAL_LINEMODE 0x04
|
|
#define KLUDGE_OK 0x03
|
|
#define NO_AUTOKLUDGE 0x02
|
|
#define KLUDGE_LINEMODE 0x01
|
|
#define NO_LINEMODE 0x00
|
|
|
|
/*
|
|
* Structures of information for each special character function.
|
|
*/
|
|
typedef struct {
|
|
unsigned char flag; /* the flags for this function */
|
|
cc_t val; /* the value of the special character */
|
|
} slcent, *Slcent;
|
|
|
|
typedef struct {
|
|
slcent defset; /* the default settings */
|
|
slcent current; /* the current settings */
|
|
cc_t *sptr; /* a pointer to the char in */
|
|
/* system data structures */
|
|
} slcfun, *Slcfun;
|
|
|
|
#ifdef DIAGNOSTICS
|
|
/*
|
|
* Diagnostics capabilities
|
|
*/
|
|
#define TD_REPORT 0x01 /* Report operations to client */
|
|
#define TD_EXERCISE 0x02 /* Exercise client's implementation */
|
|
#define TD_NETDATA 0x04 /* Display received data stream */
|
|
#define TD_PTYDATA 0x08 /* Display data passed to pty */
|
|
#define TD_OPTIONS 0x10 /* Report just telnet options */
|
|
#endif /* DIAGNOSTICS */
|
|
|
|
/*
|
|
* 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)
|
|
|
|
/*
|
|
* Tricky code here. What we want to know is if the MY_STATE_WILL
|
|
* and MY_WANT_STATE_WILL bits have the same value. Since the two
|
|
* bits are adjacent, a little arithmatic will show that by adding
|
|
* in the lower bit, the upper bit will be set if the two bits were
|
|
* different, and clear if they were the same.
|
|
*/
|
|
#define my_will_wont_is_changing(opt) \
|
|
((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL)
|
|
|
|
#define my_do_dont_is_changing(opt) \
|
|
((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO)
|
|
|
|
/*
|
|
* Make everything symetrical
|
|
*/
|
|
|
|
#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
|
|
|
|
#define his_will_wont_is_changing my_do_dont_is_changing
|
|
#define his_do_dont_is_changing my_will_wont_is_changing
|