/* $NetBSD: svr4_ttold.c,v 1.34 2014/11/09 18:16:55 maxv Exp $ */ /*- * Copyright (c) 1994, 2008 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christos Zoulas. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include __KERNEL_RCSID(0, "$NetBSD: svr4_ttold.c,v 1.34 2014/11/09 18:16:55 maxv Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void svr4_tchars_to_bsd_tchars(const struct svr4_tchars *st, struct tchars *bt); static void bsd_tchars_to_svr4_tchars(const struct tchars *bt, struct svr4_tchars *st); static void svr4_sgttyb_to_bsd_sgttyb(const struct svr4_sgttyb *ss, struct sgttyb *bs); static void bsd_sgttyb_to_svr4_sgttyb(const struct sgttyb *bs, struct svr4_sgttyb *ss); static void svr4_ltchars_to_bsd_ltchars(const struct svr4_ltchars *sl, struct ltchars *bl); static void bsd_ltchars_to_svr4_ltchars(const struct ltchars *bl, struct svr4_ltchars *sl); #ifdef DEBUG_SVR4 static void print_svr4_sgttyb(const char *, struct svr4_sgttyb *); static void print_svr4_tchars(const char *, struct svr4_tchars *); static void print_svr4_ltchars(const char *, struct svr4_ltchars *); static void print_svr4_sgttyb(const char *str, struct svr4_sgttyb *ss) { uprintf("%s\nispeed=%o ospeed=%o ", str, ss->sg_ispeed, ss->sg_ospeed); uprintf("erase=%o kill=%o flags=%o\n", ss->sg_erase, ss->sg_kill, ss->sg_flags); } static void print_svr4_tchars(const char *str, struct svr4_tchars *st) { uprintf("%s\nintrc=%o quitc=%o ", str, st->t_intrc, st->t_quitc); uprintf("startc=%o stopc=%o eofc=%o brkc=%o\n", st->t_startc, st->t_stopc, st->t_eofc, st->t_brkc); } static void print_svr4_ltchars(const char *str, struct svr4_ltchars *sl) { uprintf("%s\nsuspc=%o dsuspc=%o ", str, sl->t_suspc, sl->t_dsuspc); uprintf("rprntc=%o flushc=%o werasc=%o lnextc=%o\n", sl->t_rprntc, sl->t_flushc, sl->t_werasc, sl->t_lnextc); } #endif /* DEBUG_SVR4 */ static void svr4_tchars_to_bsd_tchars(const struct svr4_tchars *st, struct tchars *bt) { bt->t_intrc = st->t_intrc; bt->t_quitc = st->t_quitc; bt->t_startc = st->t_startc; bt->t_stopc = st->t_stopc; bt->t_eofc = st->t_eofc; bt->t_brkc = st->t_brkc; } static void bsd_tchars_to_svr4_tchars(const struct tchars *bt, struct svr4_tchars *st) { st->t_intrc = bt->t_intrc; st->t_quitc = bt->t_quitc; st->t_startc = bt->t_startc; st->t_stopc = bt->t_stopc; st->t_eofc = bt->t_eofc; st->t_brkc = bt->t_brkc; } static void svr4_sgttyb_to_bsd_sgttyb(const struct svr4_sgttyb *ss, struct sgttyb *bs) { bs->sg_ispeed = ss->sg_ispeed; bs->sg_ospeed = ss->sg_ospeed; bs->sg_erase = ss->sg_erase; bs->sg_kill = ss->sg_kill; bs->sg_flags = ss->sg_flags; } static void bsd_sgttyb_to_svr4_sgttyb(const struct sgttyb *bs, struct svr4_sgttyb *ss) { ss->sg_ispeed = bs->sg_ispeed; ss->sg_ospeed = bs->sg_ospeed; ss->sg_erase = bs->sg_erase; ss->sg_kill = bs->sg_kill; ss->sg_flags = bs->sg_flags; } static void svr4_ltchars_to_bsd_ltchars(const struct svr4_ltchars *sl, struct ltchars *bl) { bl->t_suspc = sl->t_suspc; bl->t_dsuspc = sl->t_dsuspc; bl->t_rprntc = sl->t_rprntc; bl->t_flushc = sl->t_flushc; bl->t_werasc = sl->t_werasc; bl->t_lnextc = sl->t_lnextc; } static void bsd_ltchars_to_svr4_ltchars(const struct ltchars *bl, struct svr4_ltchars *sl) { sl->t_suspc = bl->t_suspc; sl->t_dsuspc = bl->t_dsuspc; sl->t_rprntc = bl->t_rprntc; sl->t_flushc = bl->t_flushc; sl->t_werasc = bl->t_werasc; sl->t_lnextc = bl->t_lnextc; } int svr4_ttold_ioctl(file_t *fp, struct lwp *l, register_t *retval, int fd, u_long cmd, void *data) { int error; int (*ctl)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; *retval = 0; switch (cmd) { case SVR4_TIOCGPGRP: { pid_t pid; if ((error = (*ctl)(fp, TIOCGPGRP, &pid)) != 0) return error; DPRINTF(("TIOCGPGRP %d\n", pid)); if ((error = copyout(&pid, data, sizeof(pid))) != 0) return error; } case SVR4_TIOCSPGRP: { pid_t pid; if ((error = copyin(data, &pid, sizeof(pid))) != 0) return error; DPRINTF(("TIOCSPGRP %d\n", pid)); return (*ctl)(fp, TIOCSPGRP, &pid); } case SVR4_TIOCGSID: { pid_t pid; if ((error = (*ctl)(fp, TIOCGSID, &pid)) != 0) return error; DPRINTF(("TIOCGSID %d\n", pid)); return copyout(&pid, data, sizeof(pid)); } case SVR4_TIOCGETP: { struct sgttyb bs; struct svr4_sgttyb ss; error = (*ctl)(fp, TIOCGETP, &bs); if (error) return error; bsd_sgttyb_to_svr4_sgttyb(&bs, &ss); #ifdef DEBUG_SVR4 print_svr4_sgttyb("SVR4_TIOCGETP", &ss); #endif /* DEBUG_SVR4 */ return copyout(&ss, data, sizeof(ss)); } case SVR4_TIOCSETP: case SVR4_TIOCSETN: { struct sgttyb bs; struct svr4_sgttyb ss; if ((error = copyin(data, &ss, sizeof(ss))) != 0) return error; svr4_sgttyb_to_bsd_sgttyb(&ss, &bs); #ifdef DEBUG_SVR4 print_svr4_sgttyb("SVR4_TIOCSET{P,N}", &ss); #endif /* DEBUG_SVR4 */ cmd = (cmd == SVR4_TIOCSETP) ? TIOCSETP : TIOCSETN; return (*ctl)(fp, cmd, &bs); } case SVR4_TIOCGETC: { struct tchars bt; struct svr4_tchars st; error = (*ctl)(fp, TIOCGETC, &bt); if (error) return error; bsd_tchars_to_svr4_tchars(&bt, &st); #ifdef DEBUG_SVR4 print_svr4_tchars("SVR4_TIOCGETC", &st); #endif /* DEBUG_SVR4 */ return copyout(&st, data, sizeof(st)); } case SVR4_TIOCSETC: { struct tchars bt; struct svr4_tchars st; if ((error = copyin(data, &st, sizeof(st))) != 0) return error; svr4_tchars_to_bsd_tchars(&st, &bt); #ifdef DEBUG_SVR4 print_svr4_tchars("SVR4_TIOCSETC", &st); #endif /* DEBUG_SVR4 */ return (*ctl)(fp, TIOCSETC, &bt); } case SVR4_TIOCGLTC: { struct ltchars bl; struct svr4_ltchars sl; error = (*ctl)(fp, TIOCGLTC, &bl); if (error) return error; bsd_ltchars_to_svr4_ltchars(&bl, &sl); #ifdef DEBUG_SVR4 print_svr4_ltchars("SVR4_TIOCGLTC", &sl); #endif /* DEBUG_SVR4 */ return copyout(&sl, data, sizeof(sl)); } case SVR4_TIOCSLTC: { struct ltchars bl; struct svr4_ltchars sl; if ((error = copyin(data, &sl, sizeof(sl))) != 0) return error; svr4_ltchars_to_bsd_ltchars(&sl, &bl); #ifdef DEBUG_SVR4 print_svr4_ltchars("SVR4_TIOCSLTC", &sl); #endif /* DEBUG_SVR4 */ return (*ctl)(fp, TIOCSLTC, &bl); } case SVR4_TIOCLGET: { int flags; if ((error = (*ctl)(fp, TIOCLGET, &flags)) != 0) return error; DPRINTF(("SVR4_TIOCLGET %o\n", flags)); return copyout(&flags, data, sizeof(flags)); } case SVR4_TIOCLSET: case SVR4_TIOCLBIS: case SVR4_TIOCLBIC: { int flags; if ((error = copyin(data, &flags, sizeof(flags))) != 0) return error; switch (cmd) { case SVR4_TIOCLSET: cmd = TIOCLSET; break; case SVR4_TIOCLBIS: cmd = TIOCLBIS; break; case SVR4_TIOCLBIC: cmd = TIOCLBIC; break; } DPRINTF(("SVR4_TIOCL{SET,BIS,BIC} %o\n", flags)); return (*ctl)(fp, cmd, &flags); } default: DPRINTF(("Unknown svr4 ttold %lx\n", cmd)); return 0; /* ENOSYS really */ } }