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 1.6 2005/12/10 16:06:20 swildner 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 #include <sys/file2.h>
  40
  41 #include "svr4.h"
  42 #include "svr4_util.h"
  43 #include "svr4_ttold.h"
  44 #include "svr4_ioctl.h"
  45
  46
  47 static void svr4_tchars_to_bsd_tchars (const struct svr4_tchars *st,
  48                                            struct tchars *bt);
  49 static void bsd_tchars_to_svr4_tchars (const struct tchars *bt,
  50                                            struct svr4_tchars *st);
  51 static void svr4_sgttyb_to_bsd_sgttyb (const struct svr4_sgttyb *ss,
  52                                            struct sgttyb *bs);
  53 static void bsd_sgttyb_to_svr4_sgttyb (const struct sgttyb *bs,
  54                                            struct svr4_sgttyb *ss);
  55 static void svr4_ltchars_to_bsd_ltchars (const struct svr4_ltchars *sl,
  56                                              struct ltchars *bl);
  57 static void bsd_ltchars_to_svr4_ltchars (const struct ltchars *bl,
  58                                              struct svr4_ltchars *sl);
  59
  60 #ifdef DEBUG_SVR4
  61 static void print_svr4_sgttyb (const char *, struct svr4_sgttyb *);
  62 static void print_svr4_tchars (const char *, struct svr4_tchars *);
  63 static void print_svr4_ltchars (const char *, struct svr4_ltchars *);
  64
  65 static void
  66 print_svr4_sgttyb(str, ss)
  67         const char *str;
  68         struct svr4_sgttyb *ss;
  69 {
  70
  71         uprintf("%s\nispeed=%o ospeed=%o ", str, ss->sg_ispeed, ss->sg_ospeed);
  72         uprintf("erase=%o kill=%o flags=%o\n", ss->sg_erase, ss->sg_kill,
  73             ss->sg_flags);
  74 }
  75
  76 static void
  77 print_svr4_tchars(str, st)
  78         const char *str;
  79         struct svr4_tchars *st;
  80 {
  81         uprintf("%s\nintrc=%o quitc=%o ", str, st->t_intrc, st->t_quitc);
  82         uprintf("startc=%o stopc=%o eofc=%o brkc=%o\n", st->t_startc,
  83             st->t_stopc, st->t_eofc, st->t_brkc);
  84 }
  85
  86 static void
  87 print_svr4_ltchars(str, sl)
  88         const char *str;
  89         struct svr4_ltchars *sl;
  90 {
  91         uprintf("%s\nsuspc=%o dsuspc=%o ", str, sl->t_suspc, sl->t_dsuspc);
  92         uprintf("rprntc=%o flushc=%o werasc=%o lnextc=%o\n", sl->t_rprntc,
  93             sl->t_flushc, sl->t_werasc, sl->t_lnextc);
  94 }
  95 #endif /* DEBUG_SVR4 */
  96
  97 static void
  98 svr4_tchars_to_bsd_tchars(const struct svr4_tchars *st, 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(const struct tchars *bt, struct svr4_tchars *st)
 111 {
 112         st->t_intrc  = bt->t_intrc;
 113         st->t_quitc  = bt->t_quitc;
 114         st->t_startc = bt->t_startc;
 115         st->t_stopc  = bt->t_stopc;
 116         st->t_eofc   = bt->t_eofc;
 117         st->t_brkc   = bt->t_brkc;
 118 }
 119
 120
 121 static void
 122 svr4_sgttyb_to_bsd_sgttyb(const struct svr4_sgttyb *ss, struct sgttyb *bs)
 123 {
 124         bs->sg_ispeed = ss->sg_ispeed;
 125         bs->sg_ospeed = ss->sg_ospeed;
 126         bs->sg_erase  = ss->sg_erase;
 127         bs->sg_kill   = ss->sg_kill;
 128         bs->sg_flags  = ss->sg_flags;
 129 };
 130
 131
 132 static void
 133 bsd_sgttyb_to_svr4_sgttyb(const struct sgttyb *bs, struct svr4_sgttyb *ss)
 134 {
 135         ss->sg_ispeed = bs->sg_ispeed;
 136         ss->sg_ospeed = bs->sg_ospeed;
 137         ss->sg_erase  = bs->sg_erase;
 138         ss->sg_kill   = bs->sg_kill;
 139         ss->sg_flags  = bs->sg_flags;
 140 }
 141
 142
 143 static void
 144 svr4_ltchars_to_bsd_ltchars(const struct svr4_ltchars *sl, struct ltchars *bl)
 145 {
 146         bl->t_suspc  = sl->t_suspc;
 147         bl->t_dsuspc = sl->t_dsuspc;
 148         bl->t_rprntc = sl->t_rprntc;
 149         bl->t_flushc = sl->t_flushc;
 150         bl->t_werasc = sl->t_werasc;
 151         bl->t_lnextc = sl->t_lnextc;
 152 }
 153
 154
 155 static void
 156 bsd_ltchars_to_svr4_ltchars(const struct ltchars *bl, struct svr4_ltchars *sl)
 157 {
 158         sl->t_suspc  = bl->t_suspc;
 159         sl->t_dsuspc = bl->t_dsuspc;
 160         sl->t_rprntc = bl->t_rprntc;
 161         sl->t_flushc = bl->t_flushc;
 162         sl->t_werasc = bl->t_werasc;
 163         sl->t_lnextc = bl->t_lnextc;
 164 }
 165
 166
 167 int
 168 svr4_ttold_ioctl(struct file *fp, struct thread *td, register_t *retval,
 169                  int fd, u_long cmd, caddr_t data)
 170 {
 171         int                     error;
 172
 173         *retval = 0;
 174
 175         switch (cmd) {
 176         case SVR4_TIOCGPGRP:
 177                 {
 178                         pid_t pid;
 179
 180                         if ((error = fo_ioctl(fp, TIOCGPGRP, (caddr_t) &pid, td)) != 0)
 181                             return error;
 182
 183                         DPRINTF(("TIOCGPGRP %d\n", pid));
 184
 185                         if ((error = copyout(&pid, data, sizeof(pid))) != 0)
 186                                 return error;
 187
 188                 }
 189
 190         case SVR4_TIOCSPGRP:
 191                 {
 192                         pid_t pid;
 193
 194                         if ((error = copyin(data, &pid, sizeof(pid))) != 0)
 195                                 return error;
 196
 197                         DPRINTF(("TIOCSPGRP %d\n", pid));
 198
 199                         return fo_ioctl(fp, TIOCSPGRP, (caddr_t) &pid, td);
 200                 }
 201
 202         case SVR4_TIOCGSID:
 203                 {
 204 #if defined(TIOCGSID)
 205                         pid_t pid;
 206                         if ((error = fo_ioctl(fp, TIOCGSID, (caddr_t) &pid, td)) != 0)
 207                                 return error;
 208
 209                         DPRINTF(("TIOCGSID %d\n", pid));
 210
 211                         return copyout(&pid, data, sizeof(pid));
 212 #else
 213                         uprintf("ioctl(TIOCGSID) for td %p unsupported\n", td);
 214                         return EINVAL;
 215 #endif
 216                 }
 217
 218         case SVR4_TIOCGETP:
 219                 {
 220                         struct sgttyb bs;
 221                         struct svr4_sgttyb ss;
 222
 223                         error = fo_ioctl(fp, TIOCGETP, (caddr_t) &bs, td);
 224                         if (error)
 225                                 return error;
 226
 227                         bsd_sgttyb_to_svr4_sgttyb(&bs, &ss);
 228 #ifdef DEBUG_SVR4
 229                         print_svr4_sgttyb("SVR4_TIOCGETP", &ss);
 230 #endif /* DEBUG_SVR4 */
 231                         return copyout(&ss, data, sizeof(ss));
 232                 }
 233
 234         case SVR4_TIOCSETP:
 235         case SVR4_TIOCSETN:
 236                 {
 237                         struct sgttyb bs;
 238                         struct svr4_sgttyb ss;
 239
 240                         if ((error = copyin(data, &ss, sizeof(ss))) != 0)
 241                                 return error;
 242
 243                         svr4_sgttyb_to_bsd_sgttyb(&ss, &bs);
 244 #ifdef DEBUG_SVR4
 245                         print_svr4_sgttyb("SVR4_TIOCSET{P,N}", &ss);
 246 #endif /* DEBUG_SVR4 */
 247                         cmd = (cmd == SVR4_TIOCSETP) ? TIOCSETP : TIOCSETN;
 248                         return fo_ioctl(fp, cmd, (caddr_t) &bs, td);
 249                 }
 250
 251         case SVR4_TIOCGETC:
 252                 {
 253                         struct tchars bt;
 254                         struct svr4_tchars st;
 255
 256                         error = fo_ioctl(fp, TIOCGETC, (caddr_t) &bt, td);
 257                         if (error)
 258                                 return error;
 259
 260                         bsd_tchars_to_svr4_tchars(&bt, &st);
 261 #ifdef DEBUG_SVR4
 262                         print_svr4_tchars("SVR4_TIOCGETC", &st);
 263 #endif /* DEBUG_SVR4 */
 264                         return copyout(&st, data, sizeof(st));
 265                 }
 266
 267         case SVR4_TIOCSETC:
 268                 {
 269                         struct tchars bt;
 270                         struct svr4_tchars st;
 271
 272                         if ((error = copyin(data, &st, sizeof(st))) != 0)
 273                                 return error;
 274
 275                         svr4_tchars_to_bsd_tchars(&st, &bt);
 276 #ifdef DEBUG_SVR4
 277                         print_svr4_tchars("SVR4_TIOCSETC", &st);
 278 #endif /* DEBUG_SVR4 */
 279                         return fo_ioctl(fp, TIOCSETC, (caddr_t) &bt, td);
 280                 }
 281
 282         case SVR4_TIOCGLTC:
 283                 {
 284                         struct ltchars bl;
 285                         struct svr4_ltchars sl;
 286
 287                         error = fo_ioctl(fp, TIOCGLTC, (caddr_t) &bl, td);
 288                         if (error)
 289                                 return error;
 290
 291                         bsd_ltchars_to_svr4_ltchars(&bl, &sl);
 292 #ifdef DEBUG_SVR4
 293                         print_svr4_ltchars("SVR4_TIOCGLTC", &sl);
 294 #endif /* DEBUG_SVR4 */
 295                         return copyout(&sl, data, sizeof(sl));
 296                 }
 297
 298         case SVR4_TIOCSLTC:
 299                 {
 300                         struct ltchars bl;
 301                         struct svr4_ltchars sl;
 302
 303                         if ((error = copyin(data, &sl, sizeof(sl))) != 0)
 304                                 return error;
 305
 306                         svr4_ltchars_to_bsd_ltchars(&sl, &bl);
 307 #ifdef DEBUG_SVR4
 308                         print_svr4_ltchars("SVR4_TIOCSLTC", &sl);
 309 #endif /* DEBUG_SVR4 */
 310                         return fo_ioctl(fp, TIOCSLTC, (caddr_t) &bl, td);
 311                 }
 312
 313         case SVR4_TIOCLGET:
 314                 {
 315                         int flags;
 316                         if ((error = fo_ioctl(fp, TIOCLGET, (caddr_t) &flags, td)) != 0)
 317                                 return error;
 318                         DPRINTF(("SVR4_TIOCLGET %o\n", flags));
 319                         return copyout(&flags, data, sizeof(flags));
 320                 }
 321
 322         case SVR4_TIOCLSET:
 323         case SVR4_TIOCLBIS:
 324         case SVR4_TIOCLBIC:
 325                 {
 326                         int flags;
 327
 328                         if ((error = copyin(data, &flags, sizeof(flags))) != 0)
 329                                 return error;
 330
 331                         switch (cmd) {
 332                         case SVR4_TIOCLSET:
 333                                 cmd = TIOCLSET;
 334                                 break;
 335                         case SVR4_TIOCLBIS:
 336                                 cmd = TIOCLBIS;
 337                                 break;
 338                         case SVR4_TIOCLBIC:
 339                                 cmd = TIOCLBIC;
 340                                 break;
 341                         }
 342
 343                         DPRINTF(("SVR4_TIOCL{SET,BIS,BIC} %o\n", flags));
 344                         return fo_ioctl(fp, cmd, (caddr_t) &flags, td);
 345                 }
 346
 347         default:
 348                 DPRINTF(("Unknown svr4 ttold %lx\n", cmd));
 349                 return 0;       /* ENOSYS really */
 350         }
 351 }