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/* |
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* Copyright (c) 1989, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* Copyright (c) 2007 |
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* OmnitTI Computer Consulting, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* @(#)defs.h 8.1 (Berkeley) 6/4/93 |
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*/ |
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#ifndef _NOIT_CONSOLE_TELNET_H |
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#define _NOIT_CONSOLE_TELNET_H |
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#include "noit_defines.h" |
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#include "utils/noit_hash.h" |
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#include <arpa/telnet.h> |
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#include <sys/ioctl.h> |
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#include <sys/ioctl_compat.h> |
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#ifdef HAVE_TERMIOS_H |
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#include <termios.h> |
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#endif |
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#ifdef HAVE_TERM_H |
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#include <term.h> |
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#endif |
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#define LINEMODE 1 |
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#ifndef _POSIX_VDISABLE |
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# ifdef VDISABLE |
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# define _POSIX_VDISABLE VDISABLE |
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# else |
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# define _POSIX_VDISABLE ((unsigned char)'\377') |
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# endif |
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#endif |
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/* |
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* Structures of information for each special character function. |
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*/ |
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typedef unsigned char cc_t; |
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typedef struct { |
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unsigned char flag; /* the flags for this function */ |
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cc_t val; /* the value of the special character */ |
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} slcent, *Slcent; |
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typedef struct { |
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slcent defset; /* the default settings */ |
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slcent current; /* the current settings */ |
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cc_t *sptr; /* a pointer to the char in */ |
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/* system data structures */ |
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} slcfun, *Slcfun; |
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#ifndef USE_TERMIO |
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struct termbuf { |
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struct sgttyb sg; |
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struct tchars tc; |
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struct ltchars ltc; |
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int state; |
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int lflags; |
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}; |
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# define cfsetospeed(tp, val) (tp)->sg.sg_ospeed = (val) |
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# define cfsetispeed(tp, val) (tp)->sg.sg_ispeed = (val) |
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# define cfgetospeed(tp) (tp)->sg.sg_ospeed |
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# define cfgetispeed(tp) (tp)->sg.sg_ispeed |
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#else /* USE_TERMIO */ |
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# ifndef TCSANOW |
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# ifdef TCSETS |
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# define TCSANOW TCSETS |
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# define TCSADRAIN TCSETSW |
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# define tcgetattr(f, t) ioctl(f, TCGETS, (char *)t) |
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# else |
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# ifdef TCSETA |
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# define TCSANOW TCSETA |
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# define TCSADRAIN TCSETAW |
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# define tcgetattr(f, t) ioctl(f, TCGETA, (char *)t) |
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# else |
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# define TCSANOW TIOCSETA |
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# define TCSADRAIN TIOCSETAW |
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# define tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t) |
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# endif |
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# endif |
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# define tcsetattr(f, a, t) ioctl(f, a, t) |
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# define cfsetospeed(tp, val) (tp)->c_cflag &= ~CBAUD; \ |
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(tp)->c_cflag |= (val) |
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# define cfgetospeed(tp) ((tp)->c_cflag & CBAUD) |
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# ifdef CIBAUD |
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# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CIBAUD; \ |
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(tp)->c_cflag |= ((val)<<IBSHIFT) |
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# define cfgetispeed(tp) (((tp)->c_cflag & CIBAUD)>>IBSHIFT) |
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# else |
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# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CBAUD; \ |
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(tp)->c_cflag |= (val) |
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# define cfgetispeed(tp) ((tp)->c_cflag & CBAUD) |
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# endif |
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# endif /* TCSANOW */ |
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#endif /* USE_TERMIO */ |
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/* |
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* The following are some clocks used to decide how to interpret |
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* the relationship between various variables. |
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*/ |
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struct clocks_t { |
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int |
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system, /* what the current time is */ |
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echotoggle, /* last time user entered echo character */ |
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modenegotiated, /* last time operating mode negotiated */ |
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didnetreceive, /* last time we read data from network */ |
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ttypesubopt, /* ttype subopt is received */ |
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tspeedsubopt, /* tspeed subopt is received */ |
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environsubopt, /* environ subopt is received */ |
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oenvironsubopt, /* old environ subopt is received */ |
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xdisplocsubopt, /* xdisploc subopt is received */ |
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baseline, /* time started to do timed action */ |
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gotDM; /* when did we last see a data mark */ |
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}; |
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typedef struct { |
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noit_hash_table _env; |
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unsigned char *_subbuffer; |
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unsigned char *_subpointer; |
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unsigned char *_subend; |
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unsigned char *_subsave; |
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unsigned char _pty_buf[1024]; |
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int _pty_fill; |
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slcfun _slctab[NSLC + 1]; |
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char _options[256]; |
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char _do_dont_resp[256]; |
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char _will_wont_resp[256]; |
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int _SYNCHing; |
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int _flowmode; |
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int _restartany; |
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int __terminit; |
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int _linemode; |
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int _uselinemode; |
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int _alwayslinemode; |
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int _editmode; |
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int _useeditmode; |
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unsigned char *_def_slcbuf; |
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int _def_slclen; |
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int _slcchange; /* change to slc is requested */ |
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unsigned char *_slcptr; /* pointer into slc buffer */ |
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unsigned char _slcbuf[NSLC*6]; /* buffer for slc negotiation */ |
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int _def_tspeed; /* This one */ |
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int _def_rspeed; /* and this one, need init to -1 */ |
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#if !defined(LINEMODE) || !defined(KLUDGELINEMODE) |
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int _turn_on_sga; |
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#endif |
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#ifdef TIOCSWINSZ |
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int _def_row; |
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int _def_col; |
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#endif |
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char _terminalname[41]; |
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struct clocks_t _clocks; |
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#ifdef USE_TERMIO |
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struct termios _termbuf, _termbuf2; /* pty control structure */ |
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#else |
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struct termbuf _termbuf, _termbuf2; /* pty control structure */ |
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#endif |
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} *noit_console_telnet_closure_t; |
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/* |
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* We keep track of each side of the option negotiation. |
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*/ |
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#define MY_STATE_WILL 0x01 |
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#define MY_WANT_STATE_WILL 0x02 |
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#define MY_STATE_DO 0x04 |
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#define MY_WANT_STATE_DO 0x08 |
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/* |
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* Macros to check the current state of things |
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*/ |
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#define my_state_is_do(opt) (ncct->telnet->_options[opt]&MY_STATE_DO) |
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#define my_state_is_will(opt) (ncct->telnet->_options[opt]&MY_STATE_WILL) |
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#define my_want_state_is_do(opt) (ncct->telnet->_options[opt]&MY_WANT_STATE_DO) |
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#define my_want_state_is_will(opt) (ncct->telnet->_options[opt]&MY_WANT_STATE_WILL) |
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#define my_state_is_dont(opt) (!my_state_is_do(opt)) |
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#define my_state_is_wont(opt) (!my_state_is_will(opt)) |
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#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) |
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#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) |
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#define set_my_state_do(opt) (ncct->telnet->_options[opt] |= MY_STATE_DO) |
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#define set_my_state_will(opt) (ncct->telnet->_options[opt] |= MY_STATE_WILL) |
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#define set_my_want_state_do(opt) (ncct->telnet->_options[opt] |= MY_WANT_STATE_DO) |
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#define set_my_want_state_will(opt) (ncct->telnet->_options[opt] |= MY_WANT_STATE_WILL) |
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#define set_my_state_dont(opt) (ncct->telnet->_options[opt] &= ~MY_STATE_DO) |
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#define set_my_state_wont(opt) (ncct->telnet->_options[opt] &= ~MY_STATE_WILL) |
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#define set_my_want_state_dont(opt) (ncct->telnet->_options[opt] &= ~MY_WANT_STATE_DO) |
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#define set_my_want_state_wont(opt) (ncct->telnet->_options[opt] &= ~MY_WANT_STATE_WILL) |
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/* |
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* Tricky code here. What we want to know is if the MY_STATE_WILL |
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* and MY_WANT_STATE_WILL bits have the same value. Since the two |
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* bits are adjacent, a little arithmatic will show that by adding |
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* in the lower bit, the upper bit will be set if the two bits were |
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* different, and clear if they were the same. |
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*/ |
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#define my_will_wont_is_changing(opt) \ |
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((ncct->telnet->_options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL) |
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#define my_do_dont_is_changing(opt) \ |
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((ncct->telnet->_options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO) |
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/* |
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* Make everything symmetrical |
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*/ |
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#define HIS_STATE_WILL MY_STATE_DO |
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#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO |
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#define HIS_STATE_DO MY_STATE_WILL |
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#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL |
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#define his_state_is_do my_state_is_will |
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#define his_state_is_will my_state_is_do |
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#define his_want_state_is_do my_want_state_is_will |
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#define his_want_state_is_will my_want_state_is_do |
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#define his_state_is_dont my_state_is_wont |
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#define his_state_is_wont my_state_is_dont |
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#define his_want_state_is_dont my_want_state_is_wont |
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#define his_want_state_is_wont my_want_state_is_dont |
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#define set_his_state_do set_my_state_will |
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#define set_his_state_will set_my_state_do |
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#define set_his_want_state_do set_my_want_state_will |
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#define set_his_want_state_will set_my_want_state_do |
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#define set_his_state_dont set_my_state_wont |
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#define set_his_state_wont set_my_state_dont |
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#define set_his_want_state_dont set_my_want_state_wont |
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#define set_his_want_state_wont set_my_want_state_dont |
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#define his_will_wont_is_changing my_do_dont_is_changing |
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#define his_do_dont_is_changing my_will_wont_is_changing |
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struct __noit_console_closure; |
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void |
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noit_console_telnet_willoption(struct __noit_console_closure *ncct, |
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int option); |
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void |
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noit_console_telnet_wontoption(struct __noit_console_closure *ncct, |
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int option); |
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void |
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noit_console_telnet_dooption(struct __noit_console_closure *ncct, |
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int option); |
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void |
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noit_console_telnet_dontoption(struct __noit_console_closure *ncct, |
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int option); |
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void |
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noit_console_telnet_send_do(struct __noit_console_closure *ncct, |
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int option, int init); |
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void |
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noit_console_telnet_send_dont(struct __noit_console_closure *ncct, |
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int option, int init); |
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void |
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noit_console_telnet_send_will(struct __noit_console_closure *ncct, |
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int option, int init); |
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void |
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noit_console_telnet_send_wont(struct __noit_console_closure *ncct, |
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int option, int init); |
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void |
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noit_console_telnet_doclientstat(struct __noit_console_closure *ncct); |
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void |
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noit_console_telnet_send_status(struct __noit_console_closure *ncct); |
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void noit_console_telnet_free(noit_console_telnet_closure_t); |
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noit_console_telnet_closure_t |
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noit_console_telnet_alloc(struct __noit_console_closure *ncct); |
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int |
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noit_console_telnet_telrcv(struct __noit_console_closure *ncct, |
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const void *buf, int buflen); |
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void ptyflush(struct __noit_console_closure *ncct); |
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#endif |
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