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  * $DragonFly: src/sys/emulation/svr4/Attic/svr4_ttold.c,v 1.2 2003/06/17 04:28:58 dillon Exp $
  30  */
  31
  32 #include <sys/param.h>
  33 #include <sys/proc.h>
  34 #include <sys/systm.h>
  35 #include <sys/file.h>
  36 #include <sys/filedesc.h>
  37 #include <sys/ioctl_compat.h>
  38 #include <sys/termios.h>
  39
  40 #include <svr4/svr4.h>
  41 #include <svr4/svr4_util.h>
  42 #include <svr4/svr4_ttold.h>
  43 #include <svr4/svr4_ioctl.h>
  44
  45
  46 static void svr4_tchars_to_bsd_tchars __P((const struct svr4_tchars *st,
  47                                            struct tchars *bt));
  48 static void bsd_tchars_to_svr4_tchars __P((const struct tchars *bt,
  49                                            struct svr4_tchars *st));
  50 static void svr4_sgttyb_to_bsd_sgttyb __P((const struct svr4_sgttyb *ss,
  51                                            struct sgttyb *bs));
  52 static void bsd_sgttyb_to_svr4_sgttyb __P((const struct sgttyb *bs,
  53                                            struct svr4_sgttyb *ss));
  54 static void svr4_ltchars_to_bsd_ltchars __P((const struct svr4_ltchars *sl,
  55                                              struct ltchars *bl));
  56 static void bsd_ltchars_to_svr4_ltchars __P((const struct ltchars *bl,
  57                                              struct svr4_ltchars *sl));
  58
  59 #ifdef DEBUG_SVR4
  60 static void print_svr4_sgttyb __P((const char *, struct svr4_sgttyb *));
  61 static void print_svr4_tchars __P((const char *, struct svr4_tchars *));
  62 static void print_svr4_ltchars __P((const char *, struct svr4_ltchars *));
  63
  64 static void
  65 print_svr4_sgttyb(str, ss)
  66         const char *str;
  67         struct svr4_sgttyb *ss;
  68 {
  69
  70         uprintf("%s\nispeed=%o ospeed=%o ", str, ss->sg_ispeed, ss->sg_ospeed);
  71         uprintf("erase=%o kill=%o flags=%o\n", ss->sg_erase, ss->sg_kill,
  72             ss->sg_flags);
  73 }
  74
  75 static void
  76 print_svr4_tchars(str, st)
  77         const char *str;
  78         struct svr4_tchars *st;
  79 {
  80         uprintf("%s\nintrc=%o quitc=%o ", str, st->t_intrc, st->t_quitc);
  81         uprintf("startc=%o stopc=%o eofc=%o brkc=%o\n", st->t_startc,
  82             st->t_stopc, st->t_eofc, st->t_brkc);
  83 }
  84
  85 static void
  86 print_svr4_ltchars(str, sl)
  87         const char *str;
  88         struct svr4_ltchars *sl;
  89 {
  90         uprintf("%s\nsuspc=%o dsuspc=%o ", str, sl->t_suspc, sl->t_dsuspc);
  91         uprintf("rprntc=%o flushc=%o werasc=%o lnextc=%o\n", sl->t_rprntc,
  92             sl->t_flushc, sl->t_werasc, sl->t_lnextc);
  93 }
  94 #endif /* DEBUG_SVR4 */
  95
  96 static void
  97 svr4_tchars_to_bsd_tchars(st, bt)
  98         const struct svr4_tchars        *st;
  99         struct tchars                   *bt;
 100 {
 101         bt->t_intrc  = st->t_intrc;
 102         bt->t_quitc  = st->t_quitc;
 103         bt->t_startc = st->t_startc;
 104         bt->t_stopc  = st->t_stopc;
 105         bt->t_eofc   = st->t_eofc;
 106         bt->t_brkc   = st->t_brkc;
 107 }
 108
 109
 110 static void
 111 bsd_tchars_to_svr4_tchars(bt, st)
 112         const struct tchars     *bt;
 113         struct svr4_tchars      *st;
 114 {
 115         st->t_intrc  = bt->t_intrc;
 116         st->t_quitc  = bt->t_quitc;
 117         st->t_startc = bt->t_startc;
 118         st->t_stopc  = bt->t_stopc;
 119         st->t_eofc   = bt->t_eofc;
 120         st->t_brkc   = bt->t_brkc;
 121 }
 122
 123
 124 static void
 125 svr4_sgttyb_to_bsd_sgttyb(ss, bs)
 126         const struct svr4_sgttyb        *ss;
 127         struct sgttyb                   *bs;
 128 {
 129         bs->sg_ispeed = ss->sg_ispeed;
 130         bs->sg_ospeed = ss->sg_ospeed;
 131         bs->sg_erase  = ss->sg_erase;
 132         bs->sg_kill   = ss->sg_kill;
 133         bs->sg_flags  = ss->sg_flags;
 134 };
 135
 136
 137 static void
 138 bsd_sgttyb_to_svr4_sgttyb(bs, ss)
 139         const struct sgttyb     *bs;
 140         struct svr4_sgttyb      *ss;
 141 {
 142         ss->sg_ispeed = bs->sg_ispeed;
 143         ss->sg_ospeed = bs->sg_ospeed;
 144         ss->sg_erase  = bs->sg_erase;
 145         ss->sg_kill   = bs->sg_kill;
 146         ss->sg_flags  = bs->sg_flags;
 147 }
 148
 149
 150 static void
 151 svr4_ltchars_to_bsd_ltchars(sl, bl)
 152         const struct svr4_ltchars       *sl;
 153         struct ltchars                  *bl;
 154 {
 155         bl->t_suspc  = sl->t_suspc;
 156         bl->t_dsuspc = sl->t_dsuspc;
 157         bl->t_rprntc = sl->t_rprntc;
 158         bl->t_flushc = sl->t_flushc;
 159         bl->t_werasc = sl->t_werasc;
 160         bl->t_lnextc = sl->t_lnextc;
 161 }
 162
 163
 164 static void
 165 bsd_ltchars_to_svr4_ltchars(bl, sl)
 166         const struct ltchars    *bl;
 167         struct svr4_ltchars     *sl;
 168 {
 169         sl->t_suspc  = bl->t_suspc;
 170         sl->t_dsuspc = bl->t_dsuspc;
 171         sl->t_rprntc = bl->t_rprntc;
 172         sl->t_flushc = bl->t_flushc;
 173         sl->t_werasc = bl->t_werasc;
 174         sl->t_lnextc = bl->t_lnextc;
 175 }
 176
 177
 178 int
 179 svr4_ttold_ioctl(fp, p, retval, fd, cmd, data)
 180         struct file *fp;
 181         struct proc *p;
 182         register_t *retval;
 183         int fd;
 184         u_long cmd;
 185         caddr_t data;
 186 {
 187         int                     error;
 188
 189         *retval = 0;
 190
 191         switch (cmd) {
 192         case SVR4_TIOCGPGRP:
 193                 {
 194                         pid_t pid;
 195
 196                         if ((error = fo_ioctl(fp, TIOCGPGRP, (caddr_t) &pid, p)) != 0)
 197                             return error;
 198
 199                         DPRINTF(("TIOCGPGRP %d\n", pid));
 200
 201                         if ((error = copyout(&pid, data, sizeof(pid))) != 0)
 202                                 return error;
 203
 204                 }
 205
 206         case SVR4_TIOCSPGRP:
 207                 {
 208                         pid_t pid;
 209
 210                         if ((error = copyin(data, &pid, sizeof(pid))) != 0)
 211                                 return error;
 212
 213                         DPRINTF(("TIOCSPGRP %d\n", pid));
 214
 215                         return fo_ioctl(fp, TIOCSPGRP, (caddr_t) &pid, p);
 216                 }
 217
 218         case SVR4_TIOCGSID:
 219                 {
 220 #if defined(TIOCGSID)
 221                         pid_t pid;
 222                         if ((error = fo_ioctl(fp, TIOCGSID, (caddr_t) &pid, p)) != 0)
 223                                 return error;
 224
 225                         DPRINTF(("TIOCGSID %d\n", pid));
 226
 227                         return copyout(&pid, data, sizeof(pid));
 228 #else
 229                         uprintf("ioctl(TIOCGSID) for pid %d unsupported\n", p->p_pid);
 230                         return EINVAL;
 231 #endif
 232                 }
 233
 234         case SVR4_TIOCGETP:
 235                 {
 236                         struct sgttyb bs;
 237                         struct svr4_sgttyb ss;
 238
 239                         error = fo_ioctl(fp, TIOCGETP, (caddr_t) &bs, p);
 240                         if (error)
 241                                 return error;
 242
 243                         bsd_sgttyb_to_svr4_sgttyb(&bs, &ss);
 244 #ifdef DEBUG_SVR4
 245                         print_svr4_sgttyb("SVR4_TIOCGETP", &ss);
 246 #endif /* DEBUG_SVR4 */
 247                         return copyout(&ss, data, sizeof(ss));
 248                 }
 249
 250         case SVR4_TIOCSETP:
 251         case SVR4_TIOCSETN:
 252                 {
 253                         struct sgttyb bs;
 254                         struct svr4_sgttyb ss;
 255
 256                         if ((error = copyin(data, &ss, sizeof(ss))) != 0)
 257                                 return error;
 258
 259                         svr4_sgttyb_to_bsd_sgttyb(&ss, &bs);
 260 #ifdef DEBUG_SVR4
 261                         print_svr4_sgttyb("SVR4_TIOCSET{P,N}", &ss);
 262 #endif /* DEBUG_SVR4 */
 263                         cmd = (cmd == SVR4_TIOCSETP) ? TIOCSETP : TIOCSETN;
 264                         return fo_ioctl(fp, cmd, (caddr_t) &bs, p);
 265                 }
 266
 267         case SVR4_TIOCGETC:
 268                 {
 269                         struct tchars bt;
 270                         struct svr4_tchars st;
 271
 272                         error = fo_ioctl(fp, TIOCGETC, (caddr_t) &bt, p);
 273                         if (error)
 274                                 return error;
 275
 276                         bsd_tchars_to_svr4_tchars(&bt, &st);
 277 #ifdef DEBUG_SVR4
 278                         print_svr4_tchars("SVR4_TIOCGETC", &st);
 279 #endif /* DEBUG_SVR4 */
 280                         return copyout(&st, data, sizeof(st));
 281                 }
 282
 283         case SVR4_TIOCSETC:
 284                 {
 285                         struct tchars bt;
 286                         struct svr4_tchars st;
 287
 288                         if ((error = copyin(data, &st, sizeof(st))) != 0)
 289                                 return error;
 290
 291                         svr4_tchars_to_bsd_tchars(&st, &bt);
 292 #ifdef DEBUG_SVR4
 293                         print_svr4_tchars("SVR4_TIOCSETC", &st);
 294 #endif /* DEBUG_SVR4 */
 295                         return fo_ioctl(fp, TIOCSETC, (caddr_t) &bt, p);
 296                 }
 297
 298         case SVR4_TIOCGLTC:
 299                 {
 300                         struct ltchars bl;
 301                         struct svr4_ltchars sl;
 302
 303                         error = fo_ioctl(fp, TIOCGLTC, (caddr_t) &bl, p);
 304                         if (error)
 305                                 return error;
 306
 307                         bsd_ltchars_to_svr4_ltchars(&bl, &sl);
 308 #ifdef DEBUG_SVR4
 309                         print_svr4_ltchars("SVR4_TIOCGLTC", &sl);
 310 #endif /* DEBUG_SVR4 */
 311                         return copyout(&sl, data, sizeof(sl));
 312                 }
 313
 314         case SVR4_TIOCSLTC:
 315                 {
 316                         struct ltchars bl;
 317                         struct svr4_ltchars sl;
 318
 319                         if ((error = copyin(data, &sl, sizeof(sl))) != 0)
 320                                 return error;
 321
 322                         svr4_ltchars_to_bsd_ltchars(&sl, &bl);
 323 #ifdef DEBUG_SVR4
 324                         print_svr4_ltchars("SVR4_TIOCSLTC", &sl);
 325 #endif /* DEBUG_SVR4 */
 326                         return fo_ioctl(fp, TIOCSLTC, (caddr_t) &bl, p);
 327                 }
 328
 329         case SVR4_TIOCLGET:
 330                 {
 331                         int flags;
 332                         if ((error = fo_ioctl(fp, TIOCLGET, (caddr_t) &flags, p)) != 0)
 333                                 return error;
 334                         DPRINTF(("SVR4_TIOCLGET %o\n", flags));
 335                         return copyout(&flags, data, sizeof(flags));
 336                 }
 337
 338         case SVR4_TIOCLSET:
 339         case SVR4_TIOCLBIS:
 340         case SVR4_TIOCLBIC:
 341                 {
 342                         int flags;
 343
 344                         if ((error = copyin(data, &flags, sizeof(flags))) != 0)
 345                                 return error;
 346
 347                         switch (cmd) {
 348                         case SVR4_TIOCLSET:
 349                                 cmd = TIOCLSET;
 350                                 break;
 351                         case SVR4_TIOCLBIS:
 352                                 cmd = TIOCLBIS;
 353                                 break;
 354                         case SVR4_TIOCLBIC:
 355                                 cmd = TIOCLBIC;
 356                                 break;
 357                         }
 358
 359                         DPRINTF(("SVR4_TIOCL{SET,BIS,BIC} %o\n", flags));
 360                         return fo_ioctl(fp, cmd, (caddr_t) &flags, p);
 361                 }
 362
 363         default:
 364                 DPRINTF(("Unknown svr4 ttold %lx\n", cmd));
 365                 return 0;       /* ENOSYS really */
 366         }
 367 }