/* * 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. 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: src/crypto/telnet/telnetd/defs.h,v 1.1.1.1.8.1 2002/04/13 10:59:08 markm Exp $ */ /* * Telnet server defines */ #include #include #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 #include #include #include #include #include #ifndef FILIO_H #include #else #include #endif #include #include #include #include #include #include #include #include #ifndef LOG_DAEMON #define LOG_DAEMON 0 #endif #include #ifndef NO_STRING_H #include #else #include #endif #ifndef USE_TERMIO #include #else # ifdef SYSV_TERMIO # include # else # include # endif #endif #if !defined(USE_TERMIO) || defined(NO_CC_T) typedef unsigned char cc_t; #endif #include #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