/* $OpenBSD: ibcs2_ioctl.c,v 1.12 2004/09/19 21:34:42 mickey Exp $ */ /* $NetBSD: ibcs2_ioctl.c,v 1.12 1996/08/10 09:08:26 mycroft Exp $ */ /* * Copyright (c) 1994, 1995 Scott Bartram * All rights reserved. * * based on compat/sunos/sun_ioctl.c * * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #include <sys/param.h> #include <sys/systm.h> #include <sys/namei.h> #include <sys/dirent.h> #include <sys/proc.h> #include <sys/file.h> #include <sys/stat.h> #include <sys/filedesc.h> #include <sys/ioctl.h> #include <sys/kernel.h> #include <sys/malloc.h> #include <sys/mbuf.h> #include <sys/mman.h> #include <sys/mount.h> #include <sys/reboot.h> #include <sys/resource.h> #include <sys/resourcevar.h> #include <sys/signal.h> #include <sys/signalvar.h> #include <sys/socket.h> #include <sys/termios.h> #include <sys/time.h> #include <sys/times.h> #include <sys/tty.h> #include <sys/vnode.h> #include <sys/uio.h> #include <sys/wait.h> #include <sys/utsname.h> #include <sys/unistd.h> #include <net/if.h> #include <sys/syscallargs.h> #include <compat/ibcs2/ibcs2_types.h> #include <compat/ibcs2/ibcs2_signal.h> #include <compat/ibcs2/ibcs2_socksys.h> #include <compat/ibcs2/ibcs2_stropts.h> #include <compat/ibcs2/ibcs2_syscallargs.h> #include <compat/ibcs2/ibcs2_termios.h> #include <compat/ibcs2/ibcs2_util.h> /* * iBCS2 ioctl calls. */ static const struct speedtab sptab[] = { { 0, 0 }, { 50, 1 }, { 75, 2 }, { 110, 3 }, { 134, 4 }, { 135, 4 }, { 150, 5 }, { 200, 6 }, { 300, 7 }, { 600, 8 }, { 1200, 9 }, { 1800, 10 }, { 2400, 11 }, { 4800, 12 }, { 9600, 13 }, { 19200, 14 }, { 38400, 15 }, { -1, -1 } }; static const u_long s2btab[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, }; static void stios2btios(struct ibcs2_termios *, struct termios *); static void btios2stios(struct termios *, struct ibcs2_termios *); static void stios2stio(struct ibcs2_termios *, struct ibcs2_termio *); static void stio2stios(struct ibcs2_termio *, struct ibcs2_termios *); static void stios2btios(st, bt) struct ibcs2_termios *st; struct termios *bt; { register u_long l, r; l = st->c_iflag; r = 0; if (l & IBCS2_IGNBRK) r |= IGNBRK; if (l & IBCS2_BRKINT) r |= BRKINT; if (l & IBCS2_IGNPAR) r |= IGNPAR; if (l & IBCS2_PARMRK) r |= PARMRK; if (l & IBCS2_INPCK) r |= INPCK; if (l & IBCS2_ISTRIP) r |= ISTRIP; if (l & IBCS2_INLCR) r |= INLCR; if (l & IBCS2_IGNCR) r |= IGNCR; if (l & IBCS2_ICRNL) r |= ICRNL; if (l & IBCS2_IXON) r |= IXON; if (l & IBCS2_IXANY) r |= IXANY; if (l & IBCS2_IXOFF) r |= IXOFF; if (l & IBCS2_IMAXBEL) r |= IMAXBEL; bt->c_iflag = r; l = st->c_oflag; r = 0; if (l & IBCS2_OPOST) r |= OPOST; if (l & IBCS2_ONLCR) r |= ONLCR; if (l & IBCS2_TAB3) r |= OXTABS; bt->c_oflag = r; l = st->c_cflag; r = 0; switch (l & IBCS2_CSIZE) { case IBCS2_CS5: r |= CS5; break; case IBCS2_CS6: r |= CS6; break; case IBCS2_CS7: r |= CS7; break; case IBCS2_CS8: r |= CS8; break; } if (l & IBCS2_CSTOPB) r |= CSTOPB; if (l & IBCS2_CREAD) r |= CREAD; if (l & IBCS2_PARENB) r |= PARENB; if (l & IBCS2_PARODD) r |= PARODD; if (l & IBCS2_HUPCL) r |= HUPCL; if (l & IBCS2_CLOCAL) r |= CLOCAL; bt->c_cflag = r; l = st->c_lflag; r = 0; if (l & IBCS2_ISIG) r |= ISIG; if (l & IBCS2_ICANON) r |= ICANON; if (l & IBCS2_ECHO) r |= ECHO; if (l & IBCS2_ECHOE) r |= ECHOE; if (l & IBCS2_ECHOK) r |= ECHOK; if (l & IBCS2_ECHONL) r |= ECHONL; if (l & IBCS2_NOFLSH) r |= NOFLSH; if (l & IBCS2_TOSTOP) r |= TOSTOP; bt->c_lflag = r; bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f]; bt->c_cc[VINTR] = st->c_cc[IBCS2_VINTR] ? st->c_cc[IBCS2_VINTR] : _POSIX_VDISABLE; bt->c_cc[VQUIT] = st->c_cc[IBCS2_VQUIT] ? st->c_cc[IBCS2_VQUIT] : _POSIX_VDISABLE; bt->c_cc[VERASE] = st->c_cc[IBCS2_VERASE] ? st->c_cc[IBCS2_VERASE] : _POSIX_VDISABLE; bt->c_cc[VKILL] = st->c_cc[IBCS2_VKILL] ? st->c_cc[IBCS2_VKILL] : _POSIX_VDISABLE; if (bt->c_lflag & ICANON) { bt->c_cc[VEOF] = st->c_cc[IBCS2_VEOF] ? st->c_cc[IBCS2_VEOF] : _POSIX_VDISABLE; bt->c_cc[VEOL] = st->c_cc[IBCS2_VEOL] ? st->c_cc[IBCS2_VEOL] : _POSIX_VDISABLE; } else { bt->c_cc[VMIN] = st->c_cc[IBCS2_VMIN]; bt->c_cc[VTIME] = st->c_cc[IBCS2_VTIME]; } bt->c_cc[VEOL2] = st->c_cc[IBCS2_VEOL2] ? st->c_cc[IBCS2_VEOL2] : _POSIX_VDISABLE; #if 0 bt->c_cc[VSWTCH] = st->c_cc[IBCS2_VSWTCH] ? st->c_cc[IBCS2_VSWTCH] : _POSIX_VDISABLE; #endif bt->c_cc[VSTART] = st->c_cc[IBCS2_VSTART] ? st->c_cc[IBCS2_VSTART] : _POSIX_VDISABLE; bt->c_cc[VSTOP] = st->c_cc[IBCS2_VSTOP] ? st->c_cc[IBCS2_VSTOP] : _POSIX_VDISABLE; bt->c_cc[VSUSP] = st->c_cc[IBCS2_VSUSP] ? st->c_cc[IBCS2_VSUSP] : _POSIX_VDISABLE; bt->c_cc[VDSUSP] = _POSIX_VDISABLE; bt->c_cc[VREPRINT] = _POSIX_VDISABLE; bt->c_cc[VDISCARD] = _POSIX_VDISABLE; bt->c_cc[VWERASE] = _POSIX_VDISABLE; bt->c_cc[VLNEXT] = _POSIX_VDISABLE; bt->c_cc[VSTATUS] = _POSIX_VDISABLE; } static void btios2stios(bt, st) struct termios *bt; struct ibcs2_termios *st; { register u_long l, r; l = bt->c_iflag; r = 0; if (l & IGNBRK) r |= IBCS2_IGNBRK; if (l & BRKINT) r |= IBCS2_BRKINT; if (l & IGNPAR) r |= IBCS2_IGNPAR; if (l & PARMRK) r |= IBCS2_PARMRK; if (l & INPCK) r |= IBCS2_INPCK; if (l & ISTRIP) r |= IBCS2_ISTRIP; if (l & INLCR) r |= IBCS2_INLCR; if (l & IGNCR) r |= IBCS2_IGNCR; if (l & ICRNL) r |= IBCS2_ICRNL; if (l & IXON) r |= IBCS2_IXON; if (l & IXANY) r |= IBCS2_IXANY; if (l & IXOFF) r |= IBCS2_IXOFF; if (l & IMAXBEL) r |= IBCS2_IMAXBEL; st->c_iflag = r; l = bt->c_oflag; r = 0; if (l & OPOST) r |= IBCS2_OPOST; if (l & ONLCR) r |= IBCS2_ONLCR; if (l & OXTABS) r |= IBCS2_TAB3; st->c_oflag = r; l = bt->c_cflag; r = 0; switch (l & CSIZE) { case CS5: r |= IBCS2_CS5; break; case CS6: r |= IBCS2_CS6; break; case CS7: r |= IBCS2_CS7; break; case CS8: r |= IBCS2_CS8; break; } if (l & CSTOPB) r |= IBCS2_CSTOPB; if (l & CREAD) r |= IBCS2_CREAD; if (l & PARENB) r |= IBCS2_PARENB; if (l & PARODD) r |= IBCS2_PARODD; if (l & HUPCL) r |= IBCS2_HUPCL; if (l & CLOCAL) r |= IBCS2_CLOCAL; st->c_cflag = r; l = bt->c_lflag; r = 0; if (l & ISIG) r |= IBCS2_ISIG; if (l & ICANON) r |= IBCS2_ICANON; if (l & ECHO) r |= IBCS2_ECHO; if (l & ECHOE) r |= IBCS2_ECHOE; if (l & ECHOK) r |= IBCS2_ECHOK; if (l & ECHONL) r |= IBCS2_ECHONL; if (l & NOFLSH) r |= IBCS2_NOFLSH; if (l & TOSTOP) r |= IBCS2_TOSTOP; st->c_lflag = r; l = ttspeedtab(bt->c_ospeed, sptab); if (l >= 0) st->c_cflag |= l; st->c_cc[IBCS2_VINTR] = bt->c_cc[VINTR] != _POSIX_VDISABLE ? bt->c_cc[VINTR] : 0; st->c_cc[IBCS2_VQUIT] = bt->c_cc[VQUIT] != _POSIX_VDISABLE ? bt->c_cc[VQUIT] : 0; st->c_cc[IBCS2_VERASE] = bt->c_cc[VERASE] != _POSIX_VDISABLE ? bt->c_cc[VERASE] : 0; st->c_cc[IBCS2_VKILL] = bt->c_cc[VKILL] != _POSIX_VDISABLE ? bt->c_cc[VKILL] : 0; if (bt->c_lflag & ICANON) { st->c_cc[IBCS2_VEOF] = bt->c_cc[VEOF] != _POSIX_VDISABLE ? bt->c_cc[VEOF] : 0; st->c_cc[IBCS2_VEOL] = bt->c_cc[VEOL] != _POSIX_VDISABLE ? bt->c_cc[VEOL] : 0; } else { st->c_cc[IBCS2_VMIN] = bt->c_cc[VMIN]; st->c_cc[IBCS2_VTIME] = bt->c_cc[VTIME]; } st->c_cc[IBCS2_VEOL2] = bt->c_cc[VEOL2] != _POSIX_VDISABLE ? bt->c_cc[VEOL2] : 0; st->c_cc[IBCS2_VSWTCH] = 0; st->c_cc[IBCS2_VSUSP] = bt->c_cc[VSUSP] != _POSIX_VDISABLE ? bt->c_cc[VSUSP] : 0; st->c_cc[IBCS2_VSTART] = bt->c_cc[VSTART] != _POSIX_VDISABLE ? bt->c_cc[VSTART] : 0; st->c_cc[IBCS2_VSTOP] = bt->c_cc[VSTOP] != _POSIX_VDISABLE ? bt->c_cc[VSTOP] : 0; st->c_line = 0; } static void stios2stio(ts, t) struct ibcs2_termios *ts; struct ibcs2_termio *t; { t->c_iflag = ts->c_iflag; t->c_oflag = ts->c_oflag; t->c_cflag = ts->c_cflag; t->c_lflag = ts->c_lflag; t->c_line = ts->c_line; bcopy(ts->c_cc, t->c_cc, IBCS2_NCC); } static void stio2stios(t, ts) struct ibcs2_termio *t; struct ibcs2_termios *ts; { ts->c_iflag = t->c_iflag; ts->c_oflag = t->c_oflag; ts->c_cflag = t->c_cflag; ts->c_lflag = t->c_lflag; ts->c_line = t->c_line; bcopy(t->c_cc, ts->c_cc, IBCS2_NCC); } int ibcs2_sys_ioctl(p, v, retval) struct proc *p; void *v; register_t *retval; { struct ibcs2_sys_ioctl_args /* { syscallarg(int) fd; syscallarg(int) cmd; syscallarg(caddr_t) data; } */ *uap = v; struct filedesc *fdp = p->p_fd; struct file *fp; int (*ctl)(struct file *, u_long, caddr_t, struct proc *); int error; if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL) return (EBADF); FREF(fp); if ((fp->f_flag & (FREAD|FWRITE)) == 0) { DPRINTF(("ibcs2_ioctl(%d): bad fp flag ", p->p_pid)); error = EBADF; goto out; } ctl = fp->f_ops->fo_ioctl; switch (SCARG(uap, cmd)) { case IBCS2_TCGETA: case IBCS2_XCGETA: case IBCS2_OXCGETA: { struct termios bts; struct ibcs2_termios sts; struct ibcs2_termio st; if ((error = (*ctl)(fp, TIOCGETA, (caddr_t)&bts, p)) != 0) goto out; btios2stios (&bts, &sts); if (SCARG(uap, cmd) == IBCS2_TCGETA) { stios2stio (&sts, &st); error = copyout((caddr_t)&st, SCARG(uap, data), sizeof (st)); if (error) DPRINTF(("ibcs2_ioctl(%d): copyout failed ", p->p_pid)); goto out; } else { error = copyout((caddr_t)&sts, SCARG(uap, data), sizeof (sts)); goto out; } /*NOTREACHED*/ } case IBCS2_TCSETA: case IBCS2_TCSETAW: case IBCS2_TCSETAF: { struct termios bts; struct ibcs2_termios sts; struct ibcs2_termio st; if ((error = copyin(SCARG(uap, data), (caddr_t)&st, sizeof(st))) != 0) { DPRINTF(("ibcs2_ioctl(%d): TCSET copyin failed ", p->p_pid)); goto out; } /* get full BSD termios so we don't lose information */ if ((error = (*ctl)(fp, TIOCGETA, (caddr_t)&bts, p)) != 0) { DPRINTF(("ibcs2_ioctl(%d): TCSET ctl failed fd %d ", p->p_pid, SCARG(uap, fd))); goto out; } /* * convert to iBCS2 termios, copy in information from * termio, and convert back, then set new values. */ btios2stios(&bts, &sts); stio2stios(&st, &sts); stios2btios(&sts, &bts); error = (*ctl)(fp, SCARG(uap, cmd) - IBCS2_TCSETA + TIOCSETA, (caddr_t)&bts, p); goto out; } case IBCS2_XCSETA: case IBCS2_XCSETAW: case IBCS2_XCSETAF: { struct termios bts; struct ibcs2_termios sts; if ((error = copyin(SCARG(uap, data), (caddr_t)&sts, sizeof (sts))) != 0) { goto out; } stios2btios (&sts, &bts); error = (*ctl)(fp, SCARG(uap, cmd) - IBCS2_XCSETA + TIOCSETA, (caddr_t)&bts, p); goto out; } case IBCS2_OXCSETA: case IBCS2_OXCSETAW: case IBCS2_OXCSETAF: { struct termios bts; struct ibcs2_termios sts; if ((error = copyin(SCARG(uap, data), (caddr_t)&sts, sizeof (sts))) != 0) { goto out; } stios2btios (&sts, &bts); error = (*ctl)(fp, SCARG(uap, cmd) - IBCS2_OXCSETA + TIOCSETA, (caddr_t)&bts, p); goto out; } case IBCS2_TCSBRK: DPRINTF(("ibcs2_ioctl(%d): TCSBRK ", p->p_pid)); error = ENOSYS; goto out; case IBCS2_TCXONC: { switch ((int)SCARG(uap, data)) { case 0: case 1: DPRINTF(("ibcs2_ioctl(%d): TCXONC ", p->p_pid)); error = ENOSYS; goto out; case 2: error = (*ctl)(fp, TIOCSTOP, (caddr_t)0, p); goto out; case 3: error = (*ctl)(fp, TIOCSTART, (caddr_t)1, p); goto out; default: error = EINVAL; goto out; } } case IBCS2_TCFLSH: { int arg; switch ((int)SCARG(uap, data)) { case 0: arg = FREAD; break; case 1: arg = FWRITE; break; case 2: arg = FREAD | FWRITE; break; default: error = EINVAL; goto out; } error = (*ctl)(fp, TIOCFLUSH, (caddr_t)&arg, p); goto out; } case IBCS2_TIOCGWINSZ: SCARG(uap, cmd) = TIOCGWINSZ; error = sys_ioctl(p, uap, retval); goto out; case IBCS2_TIOCSWINSZ: SCARG(uap, cmd) = TIOCSWINSZ; error = sys_ioctl(p, uap, retval); goto out; case IBCS2_TIOCGPGRP: error = copyout((caddr_t)&p->p_pgrp->pg_id, SCARG(uap, data), sizeof(p->p_pgrp->pg_id)); goto out; case IBCS2_TIOCSPGRP: /* XXX - is uap->data a pointer to pgid? */ { struct sys_setpgid_args sa; SCARG(&sa, pid) = 0; SCARG(&sa, pgid) = (int)SCARG(uap, data); if ((error = sys_setpgid(p, &sa, retval)) != 0) goto out; error = 0; goto out; } case IBCS2_TCGETSC: /* SCO console - get scancode flags */ error = ENOSYS; goto out; case IBCS2_TCSETSC: /* SCO console - set scancode flags */ error = ENOSYS; goto out; case IBCS2_SIOCSOCKSYS: error = ibcs2_socksys(p, uap, retval); goto out; case IBCS2_FIONBIO: { int arg; if ((error = copyin(SCARG(uap, data), &arg, sizeof(arg))) != 0) goto out; error = (*ctl)(fp, FIONBIO, (caddr_t)&arg, p); goto out; } case IBCS2_FIONREAD: case IBCS2_I_NREAD: /* STREAMS */ SCARG(uap, cmd) = FIONREAD; error = sys_ioctl(p, uap, retval); goto out; default: DPRINTF(("ibcs2_ioctl(%d): unknown cmd 0x%lx ", p->p_pid, SCARG(uap, cmd))); error = ENOSYS; goto out; } error = ENOSYS; out: FRELE(fp); return (error); }