mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-16 15:44:04 +01:00
447 lines
8.6 KiB
C
447 lines
8.6 KiB
C
/*
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* tty.c
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*
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* By Ross Ridge
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* Public Domain
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* 92/02/01 07:30:49
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*
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* Do some tty related things
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*
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*/
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#include "defs.h"
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#include <term.h>
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#ifdef USE_SCCS_IDS
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static const char SCCSid[] = "@(#) mytinfo tty.c 3.2 92/02/01 public domain, By Ross Ridge";
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#endif
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#ifndef EXTA_IS
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#define EXTA_IS 19200
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#endif
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#ifndef EXTB_IS
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#define EXTB_IS 38400
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#endif
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#ifdef lint
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#define ioctl _ioctl
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/* shutup lint */
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/* ARGSUSED */
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/* VARARGS1 */
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static int ioctl(a, b, p) int a; long b; anyptr *p; { return 0; }
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#endif
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#if defined(USE_TERMIO) || defined(USE_TERMIOS)
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#ifdef USE_TERMIOS
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speed_t _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800,
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2400, 4800, 9600, EXTA_IS, EXTB_IS
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#ifdef B57600
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,57600
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#endif
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#ifdef B115200
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,115200
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#endif
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};
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#else
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#ifdef USE_SMALLMEM
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unsigned short _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
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1800, 2400, 4800, 9600, EXTA_IS, EXTB_IS};
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#else
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long _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800,
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2400, 4800, 9600, EXTA_IS, EXTB_IS};
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#endif
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#endif
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#ifdef USE_TERMIO
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static struct termio old;
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#else
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static struct termios old;
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#endif
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int
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_lit_output() {
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#ifdef USE_TERMIO
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struct termio tmp;
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if (ioctl(cur_term->fd, TCGETA, &old) == -1)
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return 0;
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#else
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struct termios tmp;
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if (tcgetattr(cur_term->fd, &old) == -1)
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return 0;
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#endif
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if (!(old.c_oflag & OPOST) || !(old.c_oflag & ONLCR))
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return 0;
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memcpy((anyptr)&tmp, (anyptr)&old, sizeof(old));
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tmp.c_oflag &= ~OPOST;
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#ifdef USE_TERMIO
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ioctl(cur_term->fd, TCSETA, &tmp);
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#else
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tcsetattr(cur_term->fd, TCSADRAIN, &tmp);
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#endif
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return 1;
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}
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void
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_norm_output() {
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#ifdef USE_TERMIO
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ioctl(cur_term->fd, TCSETA, &old);
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#else
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tcsetattr(cur_term->fd, TCSADRAIN, &old);
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#endif
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}
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int
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_check_tty() {
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if ((cur_term->prog_mode.c_iflag & IXON) && cur_term->xon)
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cur_term->pad = 0;
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else
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cur_term->pad = 1;
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#ifdef USE_TERMIO
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cur_term->baudrate = _baud_tbl[cur_term->prog_mode.c_cflag & CBAUD];
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#else
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cur_term->baudrate = cfgetospeed(&cur_term->prog_mode);
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#endif
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return OK;
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}
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int
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def_prog_mode() {
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#ifdef USE_WINSZ
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#ifdef TIOCGWINSZ
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if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->prog_winsz) < 0)
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return ERR;
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#endif
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#endif
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#ifdef USE_TERMIO
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if (ioctl(cur_term->fd, TCGETA, &cur_term->prog_mode) == 0
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#else
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if (tcgetattr(cur_term->fd, &cur_term->prog_mode) == 0
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#endif
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&& _check_tty() == OK)
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return OK;
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return ERR;
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}
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int
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def_shell_mode() {
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cur_term->termcap = 0;
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#ifdef USE_WINSZ
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#ifdef TIOCGWINSZ
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if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->shell_winsz) < 0)
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return ERR;
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#endif
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#endif
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#ifdef USE_TERMIO
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return ioctl(cur_term->fd, TCGETA, &cur_term->shell_mode)==0 ? OK : ERR;
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#else
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return tcgetattr(cur_term->fd, &cur_term->shell_mode)==0 ? OK : ERR;
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#endif
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}
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int
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reset_prog_mode() {
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#ifdef USE_TERMIO
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return ioctl(cur_term->fd, TCSETA, &cur_term->prog_mode)==0 ? OK : ERR;
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#else
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return tcsetattr(cur_term->fd, TCSADRAIN, &cur_term->prog_mode)==0 ? OK : ERR;
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#endif
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}
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int
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reset_shell_mode() {
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#ifdef USE_TERMIO
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return ioctl(cur_term->fd, TCSETA, &cur_term->shell_mode)==0 ? OK : ERR;
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#else
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return tcsetattr(cur_term->fd, TCSADRAIN, &cur_term->shell_mode)==0 ? OK : ERR;
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#endif
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}
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int
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_init_tty() {
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cur_term->true_lines = lines;
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cur_term->true_columns = columns;
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if (pad_char == NULL)
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cur_term->padch = '\000';
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else
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cur_term->padch = pad_char[0];
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if (def_shell_mode() == ERR || def_prog_mode() == ERR) {
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cur_term->pad = 0;
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cur_term->baudrate = 1;
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cur_term->xon = 0;
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return OK;
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}
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cur_term->xon = (xoff_character == NULL || xoff_character[0] == '\021')
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&& (xon_character == NULL || xon_character[0] == '\023')
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&& xon_xoff;
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#ifdef USE_WINSZ
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#ifdef TIOCGWINSZ
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if (cur_term->prog_winsz.ws_row != 0
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&& cur_term->prog_winsz.ws_col != 0) {
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lines = cur_term->prog_winsz.ws_row;
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columns = cur_term->prog_winsz.ws_col;
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}
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#endif
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#endif
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return OK;
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}
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#else
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#ifdef USE_SGTTY
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#ifdef USE_SMALLMEM
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unsigned short _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
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1800, 2400, 4800, 9600, EXTA_IS, EXTB_IS};
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#else
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long _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
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1800, 2400, 4800, 9600, EXTA_IS, EXTB_IS};
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#endif
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#ifdef TIOCLGET
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static int old;
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int
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_lit_output() {
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struct sgttyb buf;
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int tmp;
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ioctl(cur_term->fd, TIOCGETP, &buf);
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if (buf.sg_flags & RAW)
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return 0;
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ioctl(cur_term->fd, TIOCLGET, &old);
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if (old & LLITOUT)
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return 0;
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tmp = old | LLITOUT;
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ioctl(cur_term->fd, TIOCLSET, &tmp);
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return 1;
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}
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void
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_norm_output() {
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ioctl(cur_term->fd, TIOCLSET, &old);
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}
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#else
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static struct sgttyb old;
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int
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_lit_output() {
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struct sgttyb tmp;
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ioctl(cur_term->fd, TIOCGETP, &old);
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if (old.sg_flags & RAW)
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return 0;
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memcpy((anyptr)&tmp, (anyptr)&old, sizeof(old));
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tmp.sg_flags |= RAW;
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ioctl(cur_term->fd, TIOCSETP, &tmp);
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return 1;
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}
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void
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_norm_output() {
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ioctl(cur_term->fd, TIOCSETP, &old);
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}
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#endif
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int
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_check_tty() {
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if (!(cur_term->prog_mode.v6.sg_flags & RAW) && cur_term->xon)
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cur_term->pad = 0;
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else
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cur_term->pad = 1;
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cur_term->baudrate = _baud_tbl[cur_term->prog_mode.v6.sg_ospeed & 0xf];
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return OK;
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}
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int
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def_shell_mode() {
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if (ioctl(cur_term->fd, TIOCGETP, &cur_term->shell_mode.v6) < 0)
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return ERR;
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#ifdef TIOCGETC
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if (ioctl(cur_term->fd, TIOCGETC, &cur_term->shell_mode.v7) < 0)
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return ERR;
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#endif
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#ifdef TIOCLGET
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if (ioctl(cur_term->fd, TIOCLGET, &cur_term->shell_mode.bsd) < 0)
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return ERR;
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#endif
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#ifdef TIOCGLTC
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if (ioctl(cur_term->fd, TIOCGLTC, &cur_term->shell_mode.bsd_new) < 0)
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return ERR;
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#endif
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#ifdef USE_WINSZ
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#ifdef TIOCGWINSZ
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if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->shell_winsz)<0)
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return ERR;
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#endif
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#endif
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cur_term->termcap = 0;
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return OK;
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}
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int
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def_prog_mode() {
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if (ioctl(cur_term->fd, TIOCGETP, &cur_term->prog_mode.v6) < 0)
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return ERR;
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#ifdef TIOCGETC
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if (ioctl(cur_term->fd, TIOCGETC, &cur_term->prog_mode.v7) < 0)
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return ERR;
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#endif
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#ifdef TIOCLGET
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if (ioctl(cur_term->fd, TIOCLGET, &cur_term->prog_mode.bsd) < 0)
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return ERR;
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#endif
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#ifdef TIOCGLTC
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if (ioctl(cur_term->fd, TIOCGLTC, &cur_term->prog_mode.bsd_new) < 0)
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return ERR;
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#endif
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#ifdef USE_WINSZ
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#ifdef TIOCGWINSZ
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if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->prog_winsz)<0)
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return ERR;
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#endif
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#endif
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return _check_tty();
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}
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int
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reset_shell_mode() {
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if (ioctl(cur_term->fd, TIOCSETP, &cur_term->shell_mode.v6) < 0)
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return ERR;
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#ifdef TIOCGETC
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if (ioctl(cur_term->fd, TIOCSETC, &cur_term->shell_mode.v7) < 0)
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return ERR;
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#endif
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#ifdef TIOCLGET
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if (ioctl(cur_term->fd, TIOCLSET, &cur_term->shell_mode.bsd) < 0)
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return ERR;
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#endif
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#ifdef TIOCGLTC
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if (ioctl(cur_term->fd, TIOCSLTC, &cur_term->shell_mode.bsd_new) < 0)
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return ERR;
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#endif
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return OK;
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}
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int
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reset_prog_mode() {
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if (ioctl(cur_term->fd, TIOCSETP, &cur_term->prog_mode.v6) < 0)
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return ERR;
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#ifdef TIOCGETC
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if (ioctl(cur_term->fd, TIOCSETC, &cur_term->prog_mode.v7) < 0)
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return ERR;
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#endif
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#ifdef TIOCLGET
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if (ioctl(cur_term->fd, TIOCLSET, &cur_term->prog_mode.bsd) < 0)
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return ERR;
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#endif
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#ifdef TIOCGLTC
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if (ioctl(cur_term->fd, TIOCSLTC, &cur_term->prog_mode.bsd_new) < 0)
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return ERR;
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#endif
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return OK;
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}
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int
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_init_tty() {
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cur_term->true_lines = lines;
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cur_term->true_columns = columns;
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if (pad_char == NULL)
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cur_term->padch = '\000';
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else
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cur_term->padch = pad_char[0];
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if (def_shell_mode() == ERR || def_prog_mode() == ERR) {
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cur_term->pad = 0;
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cur_term->baudrate = 1;
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cur_term->xon = 0;
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return OK;
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}
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#ifndef TIOCGETC
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cur_term->xon = (xoff_character == NULL || xoff_character[0] == '\021')
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&& (xon_character == NULL || xon_character[0] == '\023')
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&& xon_xoff;
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#else
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if (xon_xoff) {
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if (xon_character != NULL) {
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cur_term->prog_mode.v7.t_startc = xon_character[0];
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if (ioctl(cur_term->fd, TIOCSETC,
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&cur_term->prog_mode.v7) < 0)
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return ERR;
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}
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if (xoff_character != NULL) {
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cur_term->prog_mode.v7.t_stopc = xoff_character[0];
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if (ioctl(cur_term->fd, TIOCSETC,
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&cur_term->prog_mode.v7) < 0)
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return ERR;
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}
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}
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cur_term->xon = xon_xoff;
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#endif
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#ifdef USE_WINSZ
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#ifdef TIOCGWINSZ
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if (cur_term->prog_winsz.ws_row != 0
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&& cur_term->prog_winsz.ws_col != 0) {
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lines = cur_term->prog_winsz.ws_row;
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columns = cur_term->prog_winsz.ws_col;
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}
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#endif
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#endif
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return OK;
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}
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#else
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int
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_lit_output() {
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return 0;
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}
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void
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_norm_output() {
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return;
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}
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int
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_check_tty() {
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return OK;
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}
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int
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def_prog_mode() {
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return OK;
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}
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int
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reset_prog_mode() {
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return OK;
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}
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int
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def_shell_mode() {
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return OK;
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}
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int
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reset_shell_mode() {
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return OK;
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}
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int
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_init_tty() {
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cur_term->pad = 1;
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cur_term->padch = 0;
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cur_term->baudrate = 1200;
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cur_term->xon = 0;
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cur_term->termcap = 0;
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cur_term->true_lines = lines;
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cur_term->true_columns = columns;
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}
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#endif
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#endif
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