netbsd32_time.c revision 1.34.8.3
1 /* $NetBSD: netbsd32_time.c,v 1.34.8.3 2009/01/04 02:56:09 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_time.c,v 1.34.8.3 2009/01/04 02:56:09 christos Exp $"); 31 32 #if defined(_KERNEL_OPT) 33 #include "opt_ntp.h" 34 #include "opt_compat_netbsd.h" 35 #endif 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/mount.h> 40 #include <sys/time.h> 41 #include <sys/timex.h> 42 #include <sys/timevar.h> 43 #include <sys/timetc.h> 44 #include <sys/proc.h> 45 #include <sys/pool.h> 46 #include <sys/resourcevar.h> 47 #include <sys/dirent.h> 48 #include <sys/kauth.h> 49 50 #include <compat/netbsd32/netbsd32.h> 51 #include <compat/netbsd32/netbsd32_syscallargs.h> 52 #include <compat/netbsd32/netbsd32_conv.h> 53 54 #ifdef NTP 55 56 int 57 netbsd32___ntp_gettime50(struct lwp *l, 58 const struct netbsd32___ntp_gettime50_args *uap, register_t *retval) 59 { 60 /* { 61 syscallarg(netbsd32_ntptimevalp_t) ntvp; 62 } */ 63 struct netbsd32_ntptimeval ntv32; 64 struct ntptimeval ntv; 65 int error = 0; 66 67 if (SCARG_P32(uap, ntvp)) { 68 ntp_gettime(&ntv); 69 70 ntv32.time.tv_sec = ntv.time.tv_sec; 71 ntv32.time.tv_nsec = ntv.time.tv_nsec; 72 ntv32.maxerror = (netbsd32_long)ntv.maxerror; 73 ntv32.esterror = (netbsd32_long)ntv.esterror; 74 ntv32.tai = (netbsd32_long)ntv.tai; 75 ntv32.time_state = ntv.time_state; 76 error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32)); 77 } 78 if (!error) { 79 *retval = ntp_timestatus(); 80 } 81 82 return (error); 83 } 84 85 #ifdef COMPAT_50 86 int 87 compat_50_netbsd32_ntp_gettime(struct lwp *l, 88 const struct compat_50_netbsd32_ntp_gettime_args *uap, register_t *retval) 89 { 90 /* { 91 syscallarg(netbsd32_ntptimeval50p_t) ntvp; 92 } */ 93 struct netbsd32_ntptimeval50 ntv32; 94 struct ntptimeval ntv; 95 int error = 0; 96 97 if (SCARG_P32(uap, ntvp)) { 98 ntp_gettime(&ntv); 99 100 ntv32.time.tv_sec = (int32_t)ntv.time.tv_sec; 101 ntv32.time.tv_nsec = ntv.time.tv_nsec; 102 ntv32.maxerror = (netbsd32_long)ntv.maxerror; 103 ntv32.esterror = (netbsd32_long)ntv.esterror; 104 ntv32.tai = (netbsd32_long)ntv.tai; 105 ntv32.time_state = ntv.time_state; 106 error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32)); 107 } 108 if (!error) { 109 *retval = ntp_timestatus(); 110 } 111 112 return (error); 113 } 114 #endif 115 116 #ifdef COMPAT_30 117 int 118 compat_30_netbsd32_ntp_gettime(struct lwp *l, const struct compat_30_netbsd32_ntp_gettime_args *uap, register_t *retval) 119 { 120 /* { 121 syscallarg(netbsd32_ntptimevalp_t) ntvp; 122 } */ 123 struct netbsd32_ntptimeval30 ntv32; 124 struct ntptimeval ntv; 125 int error = 0; 126 127 if (SCARG_P32(uap, ntvp)) { 128 ntp_gettime(&ntv); 129 130 ntv32.time.tv_sec = ntv.time.tv_sec; 131 ntv32.time.tv_usec = ntv.time.tv_nsec / 1000; 132 ntv32.maxerror = (netbsd32_long)ntv.maxerror; 133 ntv32.esterror = (netbsd32_long)ntv.esterror; 134 error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32)); 135 } 136 if (!error) { 137 *retval = ntp_timestatus(); 138 } 139 140 return (error); 141 } 142 #endif 143 144 int 145 netbsd32_ntp_adjtime(struct lwp *l, const struct netbsd32_ntp_adjtime_args *uap, register_t *retval) 146 { 147 /* { 148 syscallarg(netbsd32_timexp_t) tp; 149 } */ 150 struct netbsd32_timex ntv32; 151 struct timex ntv; 152 int error = 0; 153 int modes; 154 155 if ((error = copyin(SCARG_P32(uap, tp), &ntv32, sizeof(ntv32)))) 156 return (error); 157 158 netbsd32_to_timex(&ntv32, &ntv); 159 160 /* 161 * Update selected clock variables - only the superuser can 162 * change anything. Note that there is no error checking here on 163 * the assumption the superuser should know what it is doing. 164 */ 165 modes = ntv.modes; 166 if (modes != 0 && (error = kauth_authorize_system(l->l_cred, 167 KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_NTPADJTIME, NULL, NULL, 168 NULL))) 169 return (error); 170 171 ntp_adjtime1(&ntv); 172 173 netbsd32_from_timex(&ntv, &ntv32); 174 error = copyout(&ntv32, SCARG_P32(uap, tp), sizeof(ntv32)); 175 if (!error) { 176 *retval = ntp_timestatus(); 177 } 178 return error; 179 } 180 #else /* !NTP */ 181 int 182 netbsd32___ntp_gettime50(struct lwp *l, const struct netbsd32___ntp_gettime50_args *uap, register_t *retval) 183 { 184 185 return (ENOSYS); 186 } 187 188 #ifdef COMPAT_30 189 int 190 compat_30_netbsd32_ntp_gettime(struct lwp *l, const struct compat_30_netbsd32_ntp_gettime_args *uap, register_t *retval) 191 { 192 193 return (ENOSYS); 194 } 195 #endif 196 197 int 198 netbsd32_ntp_adjtime(struct lwp *l, const struct netbsd32_ntp_adjtime_args *uap, register_t *retval) 199 { 200 201 return (ENOSYS); 202 } 203 #endif /* NTP */ 204 205 int 206 netbsd32___setitimer50(struct lwp *l, const struct netbsd32___setitimer50_args *uap, register_t *retval) 207 { 208 /* { 209 syscallarg(int) which; 210 syscallarg(const netbsd32_itimervalp_t) itv; 211 syscallarg(netbsd32_itimervalp_t) oitv; 212 } */ 213 struct proc *p = l->l_proc; 214 struct netbsd32_itimerval s32it, *itv32; 215 int which = SCARG(uap, which); 216 struct netbsd32___getitimer50_args getargs; 217 struct itimerval aitv; 218 int error; 219 220 if ((u_int)which > ITIMER_PROF) 221 return (EINVAL); 222 itv32 = SCARG_P32(uap, itv); 223 if (itv32) { 224 if ((error = copyin(itv32, &s32it, sizeof(s32it)))) 225 return (error); 226 netbsd32_to_itimerval(&s32it, &aitv); 227 } 228 if (SCARG_P32(uap, oitv) != 0) { 229 SCARG(&getargs, which) = which; 230 SCARG(&getargs, itv) = SCARG(uap, oitv); 231 if ((error = netbsd32___getitimer50(l, &getargs, retval)) != 0) 232 return (error); 233 } 234 if (itv32 == 0) 235 return 0; 236 237 return dosetitimer(p, which, &aitv); 238 } 239 240 int 241 netbsd32___getitimer50(struct lwp *l, const struct netbsd32___getitimer50_args *uap, register_t *retval) 242 { 243 /* { 244 syscallarg(int) which; 245 syscallarg(netbsd32_itimervalp_t) itv; 246 } */ 247 struct proc *p = l->l_proc; 248 struct netbsd32_itimerval s32it; 249 struct itimerval aitv; 250 int error; 251 252 error = dogetitimer(p, SCARG(uap, which), &aitv); 253 if (error) 254 return error; 255 256 netbsd32_from_itimerval(&aitv, &s32it); 257 return copyout(&s32it, SCARG_P32(uap, itv), sizeof(s32it)); 258 } 259 260 int 261 netbsd32___gettimeofday50(struct lwp *l, const struct netbsd32___gettimeofday50_args *uap, register_t *retval) 262 { 263 /* { 264 syscallarg(netbsd32_timevalp_t) tp; 265 syscallarg(netbsd32_timezonep_t) tzp; 266 } */ 267 struct timeval atv; 268 struct netbsd32_timeval tv32; 269 int error = 0; 270 struct netbsd32_timezone tzfake; 271 272 if (SCARG_P32(uap, tp)) { 273 microtime(&atv); 274 netbsd32_from_timeval(&atv, &tv32); 275 error = copyout(&tv32, SCARG_P32(uap, tp), sizeof(tv32)); 276 if (error) 277 return (error); 278 } 279 if (SCARG_P32(uap, tzp)) { 280 /* 281 * NetBSD has no kernel notion of time zone, so we just 282 * fake up a timezone struct and return it if demanded. 283 */ 284 tzfake.tz_minuteswest = 0; 285 tzfake.tz_dsttime = 0; 286 error = copyout(&tzfake, SCARG_P32(uap, tzp), sizeof(tzfake)); 287 } 288 return (error); 289 } 290 291 int 292 netbsd32___settimeofday50(struct lwp *l, const struct netbsd32___settimeofday50_args *uap, register_t *retval) 293 { 294 /* { 295 syscallarg(const netbsd32_timevalp_t) tv; 296 syscallarg(const netbsd32_timezonep_t) tzp; 297 } */ 298 struct netbsd32_timeval atv32; 299 struct timeval atv; 300 struct timespec ats; 301 int error; 302 struct proc *p = l->l_proc; 303 304 /* Verify all parameters before changing time. */ 305 306 /* 307 * NetBSD has no kernel notion of time zone, and only an 308 * obsolete program would try to set it, so we log a warning. 309 */ 310 if (SCARG_P32(uap, tzp)) 311 printf("pid %d attempted to set the " 312 "(obsolete) kernel time zone\n", p->p_pid); 313 314 if (SCARG_P32(uap, tv) == 0) 315 return 0; 316 317 if ((error = copyin(SCARG_P32(uap, tv), &atv32, sizeof(atv32))) != 0) 318 return error; 319 320 netbsd32_to_timeval(&atv32, &atv); 321 TIMEVAL_TO_TIMESPEC(&atv, &ats); 322 return settime(p, &ats); 323 } 324 325 int 326 netbsd32___adjtime50(struct lwp *l, const struct netbsd32___adjtime50_args *uap, register_t *retval) 327 { 328 /* { 329 syscallarg(const netbsd32_timevalp_t) delta; 330 syscallarg(netbsd32_timevalp_t) olddelta; 331 } */ 332 struct netbsd32_timeval atv; 333 int error; 334 335 extern int time_adjusted; /* in kern_ntptime.c */ 336 extern int64_t time_adjtime; /* in kern_ntptime.c */ 337 338 if ((error = kauth_authorize_system(l->l_cred, 339 KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_ADJTIME, NULL, NULL, 340 NULL)) != 0) 341 return (error); 342 343 if (SCARG_P32(uap, olddelta)) { 344 atv.tv_sec = time_adjtime / 1000000; 345 atv.tv_usec = time_adjtime % 1000000; 346 if (atv.tv_usec < 0) { 347 atv.tv_usec += 1000000; 348 atv.tv_sec--; 349 } 350 (void) copyout(&atv, 351 SCARG_P32(uap, olddelta), 352 sizeof(atv)); 353 if (error) 354 return (error); 355 } 356 357 if (SCARG_P32(uap, delta)) { 358 error = copyin(SCARG_P32(uap, delta), &atv, 359 sizeof(struct timeval)); 360 if (error) 361 return (error); 362 363 time_adjtime = (int64_t)atv.tv_sec * 1000000 + atv.tv_usec; 364 365 if (time_adjtime) 366 /* We need to save the system time during shutdown */ 367 time_adjusted |= 1; 368 } 369 370 return (0); 371 } 372 373 int 374 netbsd32___clock_gettime50(struct lwp *l, const struct netbsd32___clock_gettime50_args *uap, register_t *retval) 375 { 376 /* { 377 syscallarg(netbsd32_clockid_t) clock_id; 378 syscallarg(netbsd32_timespecp_t) tp; 379 } */ 380 clockid_t clock_id; 381 struct timespec ats; 382 struct netbsd32_timespec ts32; 383 384 clock_id = SCARG(uap, clock_id); 385 if (clock_id != CLOCK_REALTIME) 386 return (EINVAL); 387 388 nanotime(&ats); 389 netbsd32_from_timespec(&ats, &ts32); 390 391 return copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32)); 392 } 393 394 int 395 netbsd32___clock_settime50(struct lwp *l, const struct netbsd32___clock_settime50_args *uap, register_t *retval) 396 { 397 /* { 398 syscallarg(netbsd32_clockid_t) clock_id; 399 syscallarg(const netbsd32_timespecp_t) tp; 400 } */ 401 struct netbsd32_timespec ts32; 402 clockid_t clock_id; 403 struct timespec ats; 404 int error; 405 406 clock_id = SCARG(uap, clock_id); 407 if (clock_id != CLOCK_REALTIME) 408 return (EINVAL); 409 410 if ((error = copyin(SCARG_P32(uap, tp), &ts32, sizeof(ts32))) != 0) 411 return (error); 412 413 netbsd32_to_timespec(&ts32, &ats); 414 return settime(l->l_proc, &ats); 415 } 416 417 int 418 netbsd32___clock_getres50(struct lwp *l, const struct netbsd32___clock_getres50_args *uap, register_t *retval) 419 { 420 /* { 421 syscallarg(netbsd32_clockid_t) clock_id; 422 syscallarg(netbsd32_timespecp_t) tp; 423 } */ 424 struct netbsd32_timespec ts32; 425 clockid_t clock_id; 426 struct timespec ts; 427 int error = 0; 428 429 clock_id = SCARG(uap, clock_id); 430 if (clock_id != CLOCK_REALTIME) 431 return (EINVAL); 432 433 if (SCARG_P32(uap, tp)) { 434 ts.tv_sec = 0; 435 ts.tv_nsec = 1000000000 / hz; 436 437 netbsd32_from_timespec(&ts, &ts32); 438 error = copyout(&ts, SCARG_P32(uap, tp), sizeof(ts)); 439 } 440 441 return error; 442 } 443 444 int 445 netbsd32___nanosleep50(struct lwp *l, const struct netbsd32___nanosleep50_args *uap, register_t *retval) 446 { 447 /* { 448 syscallarg(const netbsd32_timespecp_t) rqtp; 449 syscallarg(netbsd32_timespecp_t) rmtp; 450 } */ 451 static int nanowait; 452 struct netbsd32_timespec ts32; 453 struct timespec rqt, ctime, rmt; 454 int error, timo; 455 456 error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32)); 457 if (error) 458 return (error); 459 460 netbsd32_to_timespec(&ts32, &rqt); 461 if (itimespecfix(&rqt)) 462 return (EINVAL); 463 464 getnanotime(&ctime); 465 timespecadd(&rqt, &ctime, &rqt); 466 timo = tshzto(&rqt); 467 /* 468 * Avoid inadvertantly sleeping forever 469 */ 470 if (timo == 0) 471 timo = 1; 472 473 error = tsleep(&nanowait, PWAIT | PCATCH, "nanosleep", timo); 474 if (error == ERESTART) 475 error = EINTR; 476 if (error == EWOULDBLOCK) 477 error = 0; 478 479 if (SCARG_P32(uap, rmtp)) { 480 int error1; 481 482 getnanotime(&rmt); 483 484 timespecsub(&rqt, &rmt, &rmt); 485 if (rmt.tv_sec < 0) 486 timespecclear(&rmt); 487 488 netbsd32_from_timespec(&rmt, &ts32); 489 error1 = copyout(&ts32, SCARG_P32(uap,rmtp), sizeof(ts32)); 490 if (error1) 491 return (error1); 492 } 493 494 return error; 495 } 496 497 static int 498 netbsd32_timer_create_fetch(const void *src, void *dst, size_t size) 499 { 500 struct sigevent *evp = dst; 501 struct netbsd32_sigevent ev32; 502 int error; 503 504 error = copyin(src, &ev32, sizeof(ev32)); 505 if (error) 506 return error; 507 508 netbsd32_to_sigevent(&ev32, evp); 509 return 0; 510 } 511 512 int 513 netbsd32_timer_create(struct lwp *l, const struct netbsd32_timer_create_args *uap, register_t *retval) 514 { 515 /* { 516 syscallarg(netbsd32_clockid_t) clock_id; 517 syscallarg(netbsd32_sigeventp_t) evp; 518 syscallarg(netbsd32_timerp_t) timerid; 519 } */ 520 521 return timer_create1(SCARG_P32(uap, timerid), 522 SCARG(uap, clock_id), SCARG_P32(uap, evp), 523 netbsd32_timer_create_fetch, l); 524 } 525 526 int 527 netbsd32_timer_delete(struct lwp *l, const struct netbsd32_timer_delete_args *uap, register_t *retval) 528 { 529 /* { 530 syscallarg(netbsd32_timer_t) timerid; 531 } */ 532 struct sys_timer_delete_args ua; 533 534 NETBSD32TO64_UAP(timerid); 535 return sys_timer_delete(l, (void *)&ua, retval); 536 } 537 538 int 539 netbsd32___timer_settime50(struct lwp *l, const struct netbsd32___timer_settime50_args *uap, register_t *retval) 540 { 541 /* { 542 syscallarg(netbsd32_timer_t) timerid; 543 syscallarg(int) flags; 544 syscallarg(const netbsd32_itimerspecp_t) value; 545 syscallarg(netbsd32_itimerspecp_t) ovalue; 546 } */ 547 int error; 548 struct itimerspec value, ovalue, *ovp = NULL; 549 struct netbsd32_itimerspec its32; 550 551 if ((error = copyin(SCARG_P32(uap, value), &its32, sizeof(its32))) != 0) 552 return (error); 553 netbsd32_to_timespec(&its32.it_interval, &value.it_interval); 554 netbsd32_to_timespec(&its32.it_value, &value.it_value); 555 556 if (SCARG_P32(uap, ovalue)) 557 ovp = &ovalue; 558 559 if ((error = dotimer_settime(SCARG(uap, timerid), &value, ovp, 560 SCARG(uap, flags), l->l_proc)) != 0) 561 return error; 562 563 if (ovp) { 564 netbsd32_from_timespec(&ovp->it_interval, &its32.it_interval); 565 netbsd32_from_timespec(&ovp->it_value, &its32.it_value); 566 return copyout(&its32, SCARG_P32(uap, ovalue), sizeof(its32)); 567 } 568 return 0; 569 } 570 571 int 572 netbsd32___timer_gettime50(struct lwp *l, const struct netbsd32___timer_gettime50_args *uap, register_t *retval) 573 { 574 /* { 575 syscallarg(netbsd32_timer_t) timerid; 576 syscallarg(netbsd32_itimerspecp_t) value; 577 } */ 578 int error; 579 struct itimerspec its; 580 struct netbsd32_itimerspec its32; 581 582 if ((error = dotimer_gettime(SCARG(uap, timerid), l->l_proc, 583 &its)) != 0) 584 return error; 585 586 netbsd32_from_timespec(&its.it_interval, &its32.it_interval); 587 netbsd32_from_timespec(&its.it_value, &its32.it_value); 588 589 return copyout(&its32, SCARG_P32(uap, value), sizeof(its32)); 590 } 591 592 int 593 netbsd32_timer_getoverrun(struct lwp *l, const struct netbsd32_timer_getoverrun_args *uap, register_t *retval) 594 { 595 /* { 596 syscallarg(netbsd32_timer_t) timerid; 597 } */ 598 struct sys_timer_getoverrun_args ua; 599 600 NETBSD32TO64_UAP(timerid); 601 return sys_timer_getoverrun(l, (void *)&ua, retval); 602 } 603
Indexes created Fri Sep 26 20:09:58 GMT 2025