sys/emulation/svr4/svr4_ttold.c

   1 /*
   2  * Copyright (c) 1998 Mark Newton
   3  * Copyright (c) 1994 Christos Zoulas
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * $FreeBSD: src/sys/svr4/svr4_ttold.c,v 1.7 1999/12/08 12:00:49 newton Exp $
  29  */
  30
  31 #include <sys/param.h>
  32 #include <sys/proc.h>
  33 #include <sys/systm.h>
  34 #include <sys/file.h>
  35 #include <sys/filedesc.h>
  36 #include <sys/ioctl_compat.h>
  37 #include <sys/termios.h>
  38
  39 #include <svr4/svr4.h>
  40 #include <svr4/svr4_util.h>
  41 #include <svr4/svr4_ttold.h>
  42 #include <svr4/svr4_ioctl.h>
  43
  44
  45 static void svr4_tchars_to_bsd_tchars __P((const struct svr4_tchars *st,
  46                                            struct tchars *bt));
  47 static void bsd_tchars_to_svr4_tchars __P((const struct tchars *bt,
  48                                            struct svr4_tchars *st));
  49 static void svr4_sgttyb_to_bsd_sgttyb __P((const struct svr4_sgttyb *ss,
  50                                            struct sgttyb *bs));
  51 static void bsd_sgttyb_to_svr4_sgttyb __P((const struct sgttyb *bs,
  52                                            struct svr4_sgttyb *ss));
  53 static void svr4_ltchars_to_bsd_ltchars __P((const struct svr4_ltchars *sl,
  54                                              struct ltchars *bl));
  55 static void bsd_ltchars_to_svr4_ltchars __P((const struct ltchars *bl,
  56                                              struct svr4_ltchars *sl));
  57
  58 #ifdef DEBUG_SVR4
  59 static void print_svr4_sgttyb __P((const char *, struct svr4_sgttyb *));
  60 static void print_svr4_tchars __P((const char *, struct svr4_tchars *));
  61 static void print_svr4_ltchars __P((const char *, struct svr4_ltchars *));
  62
  63 static void
  64 print_svr4_sgttyb(str, ss)
  65         const char *str;
  66         struct svr4_sgttyb *ss;
  67 {
  68
  69         uprintf("%s\nispeed=%o ospeed=%o ", str, ss->sg_ispeed, ss->sg_ospeed);
  70         uprintf("erase=%o kill=%o flags=%o\n", ss->sg_erase, ss->sg_kill,
  71             ss->sg_flags);
  72 }
  73
  74 static void
  75 print_svr4_tchars(str, st)
  76         const char *str;
  77         struct svr4_tchars *st;
  78 {
  79         uprintf("%s\nintrc=%o quitc=%o ", str, st->t_intrc, st->t_quitc);
  80         uprintf("startc=%o stopc=%o eofc=%o brkc=%o\n", st->t_startc,
  81             st->t_stopc, st->t_eofc, st->t_brkc);
  82 }
  83
  84 static void
  85 print_svr4_ltchars(str, sl)
  86         const char *str;
  87         struct svr4_ltchars *sl;
  88 {
  89         uprintf("%s\nsuspc=%o dsuspc=%o ", str, sl->t_suspc, sl->t_dsuspc);
  90         uprintf("rprntc=%o flushc=%o werasc=%o lnextc=%o\n", sl->t_rprntc,
  91             sl->t_flushc, sl->t_werasc, sl->t_lnextc);
  92 }
  93 #endif /* DEBUG_SVR4 */
  94
  95 static void
  96 svr4_tchars_to_bsd_tchars(st, bt)
  97         const struct svr4_tchars        *st;
  98         struct tchars                   *bt;
  99 {
 100         bt->t_intrc  = st->t_intrc;
 101         bt->t_quitc  = st->t_quitc;
 102         bt->t_startc = st->t_startc;
 103         bt->t_stopc  = st->t_stopc;
 104         bt->t_eofc   = st->t_eofc;
 105         bt->t_brkc   = st->t_brkc;
 106 }
 107
 108
 109 static void
 110 bsd_tchars_to_svr4_tchars(bt, st)
 111         const struct tchars     *bt;
 112         struct svr4_tchars      *st;
 113 {
 114         st->t_intrc  = bt->t_intrc;
 115         st->t_quitc  = bt->t_quitc;
 116         st->t_startc = bt->t_startc;
 117         st->t_stopc  = bt->t_stopc;
 118         st->t_eofc   = bt->t_eofc;
 119         st->t_brkc   = bt->t_brkc;
 120 }
 121
 122
 123 static void
 124 svr4_sgttyb_to_bsd_sgttyb(ss, bs)
 125         const struct svr4_sgttyb        *ss;
 126         struct sgttyb                   *bs;
 127 {
 128         bs->sg_ispeed = ss->sg_ispeed;
 129         bs->sg_ospeed = ss->sg_ospeed;
 130         bs->sg_erase  = ss->sg_erase;
 131         bs->sg_kill   = ss->sg_kill;
 132         bs->sg_flags  = ss->sg_flags;
 133 };
 134
 135
 136 static void
 137 bsd_sgttyb_to_svr4_sgttyb(bs, ss)
 138         const struct sgttyb     *bs;
 139         struct svr4_sgttyb      *ss;
 140 {
 141         ss->sg_ispeed = bs->sg_ispeed;
 142         ss->sg_ospeed = bs->sg_ospeed;
 143         ss->sg_erase  = bs->sg_erase;
 144         ss->sg_kill   = bs->sg_kill;
 145         ss->sg_flags  = bs->sg_flags;
 146 }
 147
 148
 149 static void
 150 svr4_ltchars_to_bsd_ltchars(sl, bl)
 151         const struct svr4_ltchars       *sl;
 152         struct ltchars                  *bl;
 153 {
 154         bl->t_suspc  = sl->t_suspc;
 155         bl->t_dsuspc = sl->t_dsuspc;
 156         bl->t_rprntc = sl->t_rprntc;
 157         bl->t_flushc = sl->t_flushc;
 158         bl->t_werasc = sl->t_werasc;
 159         bl->t_lnextc = sl->t_lnextc;
 160 }
 161
 162
 163 static void
 164 bsd_ltchars_to_svr4_ltchars(bl, sl)
 165         const struct ltchars    *bl;
 166         struct svr4_ltchars     *sl;
 167 {
 168         sl->t_suspc  = bl->t_suspc;
 169         sl->t_dsuspc = bl->t_dsuspc;
 170         sl->t_rprntc = bl->t_rprntc;
 171         sl->t_flushc = bl->t_flushc;
 172         sl->t_werasc = bl->t_werasc;
 173         sl->t_lnextc = bl->t_lnextc;
 174 }
 175
 176
 177 int
 178 svr4_ttold_ioctl(fp, p, retval, fd, cmd, data)
 179         struct file *fp;
 180         struct proc *p;
 181         register_t *retval;
 182         int fd;
 183         u_long cmd;
 184         caddr_t data;
 185 {
 186         int                     error;
 187
 188         *retval = 0;
 189
 190         switch (cmd) {
 191         case SVR4_TIOCGPGRP:
 192                 {
 193                         pid_t pid;
 194
 195                         if ((error = fo_ioctl(fp, TIOCGPGRP, (caddr_t) &pid, p)) != 0)
 196                             return error;
 197
 198                         DPRINTF(("TIOCGPGRP %d\n", pid));
 199
 200                         if ((error = copyout(&pid, data, sizeof(pid))) != 0)
 201                                 return error;
 202
 203                 }
 204
 205         case SVR4_TIOCSPGRP:
 206                 {
 207                         pid_t pid;
 208
 209                         if ((error = copyin(data, &pid, sizeof(pid))) != 0)
 210                                 return error;
 211
 212                         DPRINTF(("TIOCSPGRP %d\n", pid));
 213
 214                         return fo_ioctl(fp, TIOCSPGRP, (caddr_t) &pid, p);
 215                 }
 216
 217         case SVR4_TIOCGSID:
 218                 {
 219 #if defined(TIOCGSID)
 220                         pid_t pid;
 221                         if ((error = fo_ioctl(fp, TIOCGSID, (caddr_t) &pid, p)) != 0)
 222                                 return error;
 223
 224                         DPRINTF(("TIOCGSID %d\n", pid));
 225
 226                         return copyout(&pid, data, sizeof(pid));
 227 #else
 228                         uprintf("ioctl(TIOCGSID) for pid %d unsupported\n", p->p_pid);
 229                         return EINVAL;
 230 #endif
 231                 }
 232
 233         case SVR4_TIOCGETP:
 234                 {
 235                         struct sgttyb bs;
 236                         struct svr4_sgttyb ss;
 237
 238                         error = fo_ioctl(fp, TIOCGETP, (caddr_t) &bs, p);
 239                         if (error)
 240                                 return error;
 241
 242                         bsd_sgttyb_to_svr4_sgttyb(&bs, &ss);
 243 #ifdef DEBUG_SVR4
 244                         print_svr4_sgttyb("SVR4_TIOCGETP", &ss);
 245 #endif /* DEBUG_SVR4 */
 246                         return copyout(&ss, data, sizeof(ss));
 247                 }
 248
 249         case SVR4_TIOCSETP:
 250         case SVR4_TIOCSETN:
 251                 {
 252                         struct sgttyb bs;
 253                         struct svr4_sgttyb ss;
 254
 255                         if ((error = copyin(data, &ss, sizeof(ss))) != 0)
 256                                 return error;
 257
 258                         svr4_sgttyb_to_bsd_sgttyb(&ss, &bs);
 259 #ifdef DEBUG_SVR4
 260                         print_svr4_sgttyb("SVR4_TIOCSET{P,N}", &ss);
 261 #endif /* DEBUG_SVR4 */
 262                         cmd = (cmd == SVR4_TIOCSETP) ? TIOCSETP : TIOCSETN;
 263                         return fo_ioctl(fp, cmd, (caddr_t) &bs, p);
 264                 }
 265
 266         case SVR4_TIOCGETC:
 267                 {
 268                         struct tchars bt;
 269                         struct svr4_tchars st;
 270
 271                         error = fo_ioctl(fp, TIOCGETC, (caddr_t) &bt, p);
 272                         if (error)
 273                                 return error;
 274
 275                         bsd_tchars_to_svr4_tchars(&bt, &st);
 276 #ifdef DEBUG_SVR4
 277                         print_svr4_tchars("SVR4_TIOCGETC", &st);
 278 #endif /* DEBUG_SVR4 */
 279                         return copyout(&st, data, sizeof(st));
 280                 }
 281
 282         case SVR4_TIOCSETC:
 283                 {
 284                         struct tchars bt;
 285                         struct svr4_tchars st;
 286
 287                         if ((error = copyin(data, &st, sizeof(st))) != 0)
 288                                 return error;
 289
 290                         svr4_tchars_to_bsd_tchars(&st, &bt);
 291 #ifdef DEBUG_SVR4
 292                         print_svr4_tchars("SVR4_TIOCSETC", &st);
 293 #endif /* DEBUG_SVR4 */
 294                         return fo_ioctl(fp, TIOCSETC, (caddr_t) &bt, p);
 295                 }
 296
 297         case SVR4_TIOCGLTC:
 298                 {
 299                         struct ltchars bl;
 300                         struct svr4_ltchars sl;
 301
 302                         error = fo_ioctl(fp, TIOCGLTC, (caddr_t) &bl, p);
 303                         if (error)
 304                                 return error;
 305
 306                         bsd_ltchars_to_svr4_ltchars(&bl, &sl);
 307 #ifdef DEBUG_SVR4
 308                         print_svr4_ltchars("SVR4_TIOCGLTC", &sl);
 309 #endif /* DEBUG_SVR4 */
 310                         return copyout(&sl, data, sizeof(sl));
 311                 }
 312
 313         case SVR4_TIOCSLTC:
 314                 {
 315                         struct ltchars bl;
 316                         struct svr4_ltchars sl;
 317
 318                         if ((error = copyin(data, &sl, sizeof(sl))) != 0)
 319                                 return error;
 320
 321                         svr4_ltchars_to_bsd_ltchars(&sl, &bl);
 322 #ifdef DEBUG_SVR4
 323                         print_svr4_ltchars("SVR4_TIOCSLTC", &sl);
 324 #endif /* DEBUG_SVR4 */
 325                         return fo_ioctl(fp, TIOCSLTC, (caddr_t) &bl, p);
 326                 }
 327
 328         case SVR4_TIOCLGET:
 329                 {
 330                         int flags;
 331                         if ((error = fo_ioctl(fp, TIOCLGET, (caddr_t) &flags, p)) != 0)
 332                                 return error;
 333                         DPRINTF(("SVR4_TIOCLGET %o\n", flags));
 334                         return copyout(&flags, data, sizeof(flags));
 335                 }
 336
 337         case SVR4_TIOCLSET:
 338         case SVR4_TIOCLBIS:
 339         case SVR4_TIOCLBIC:
 340                 {
 341                         int flags;
 342
 343                         if ((error = copyin(data, &flags, sizeof(flags))) != 0)
 344                                 return error;
 345
 346                         switch (cmd) {
 347                         case SVR4_TIOCLSET:
 348                                 cmd = TIOCLSET;
 349                                 break;
 350                         case SVR4_TIOCLBIS:
 351                                 cmd = TIOCLBIS;
 352                                 break;
 353                         case SVR4_TIOCLBIC:
 354                                 cmd = TIOCLBIC;
 355                                 break;
 356                         }
 357
 358                         DPRINTF(("SVR4_TIOCL{SET,BIS,BIC} %o\n", flags));
 359                         return fo_ioctl(fp, cmd, (caddr_t) &flags, p);
 360                 }
 361
 362         default:
 363                 DPRINTF(("Unknown svr4 ttold %lx\n", cmd));
 364                 return 0;       /* ENOSYS really */
 365         }
 366 }