1 /* $NetBSD: sunos_misc.c,v 1.156 2007/12/08 19:29:39 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 41 * 42 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 43 */ 44 45 /* 46 * SunOS compatibility module. 47 * 48 * SunOS system calls that are implemented differently in BSD are 49 * handled here. 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.156 2007/12/08 19:29:39 pooka Exp $"); 54 55 #if defined(_KERNEL_OPT) 56 #include "opt_nfsserver.h" 57 #include "opt_ptrace.h" 58 #include "fs_nfs.h" 59 #endif 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/dirent.h> 66 #include <sys/file.h> 67 #include <sys/stat.h> 68 #include <sys/filedesc.h> 69 #include <sys/ioctl.h> 70 #include <sys/kernel.h> 71 #include <sys/reboot.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/mman.h> 75 #include <sys/mount.h> 76 #include <sys/ptrace.h> 77 #include <sys/resource.h> 78 #include <sys/resourcevar.h> 79 #include <sys/signal.h> 80 #include <sys/signalvar.h> 81 #include <sys/socket.h> 82 #include <sys/tty.h> 83 #include <sys/vnode.h> 84 #include <sys/uio.h> 85 #include <sys/wait.h> 86 #include <sys/utsname.h> 87 #include <sys/unistd.h> 88 #include <sys/syscall.h> 89 #include <sys/syscallargs.h> 90 #include <sys/conf.h> 91 #include <sys/socketvar.h> 92 #include <sys/exec.h> 93 #include <sys/swap.h> 94 #include <sys/kauth.h> 95 96 #include <compat/sys/signal.h> 97 98 #include <compat/sunos/sunos.h> 99 #include <compat/sunos/sunos_syscallargs.h> 100 #include <compat/common/compat_util.h> 101 #include <compat/sunos/sunos_dirent.h> 102 #include <compat/sys/mount.h> 103 104 #include <netinet/in.h> 105 106 #include <miscfs/specfs/specdev.h> 107 108 #include <nfs/rpcv2.h> 109 #include <nfs/nfsproto.h> 110 #include <nfs/nfs.h> 111 #include <nfs/nfsmount.h> 112 113 static int sunstatfs(struct statvfs *, void *); 114 115 int 116 sunos_sys_stime(struct lwp *l, void *v, register_t *retval) 117 { 118 struct sunos_sys_stime_args *uap = v; 119 struct timeval tv; 120 int error; 121 122 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); 123 if (error) 124 return error; 125 tv.tv_usec = 0; 126 127 return settimeofday1(&tv, false, NULL, l, true); 128 } 129 130 int 131 sunos_sys_wait4(struct lwp *l, void *v, register_t *retval) 132 { 133 struct sunos_sys_wait4_args *uap = v; 134 if (SCARG(uap, pid) == 0) 135 SCARG(uap, pid) = WAIT_ANY; 136 return (sys_wait4(l, uap, retval)); 137 } 138 139 int 140 sunos_sys_creat(struct lwp *l, void *v, register_t *retval) 141 { 142 struct sunos_sys_creat_args *uap = v; 143 struct sys_open_args ouap; 144 145 SCARG(&ouap, path) = SCARG(uap, path); 146 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; 147 SCARG(&ouap, mode) = SCARG(uap, mode); 148 149 return (sys_open(l, &ouap, retval)); 150 } 151 152 int 153 sunos_sys_access(struct lwp *l, void *v, register_t *retval) 154 { 155 struct sunos_sys_lstat_args *uap = v; 156 157 return (sys_access(l, uap, retval)); 158 } 159 160 int 161 sunos_sys_stat(struct lwp *l, void *v, register_t *retval) 162 { 163 struct sunos_sys_lstat_args *uap = v; 164 165 return (compat_43_sys_stat(l, uap, retval)); 166 } 167 168 int 169 sunos_sys_lstat(struct lwp *l, void *v, register_t *retval) 170 { 171 struct sunos_sys_lstat_args *uap = v; 172 173 return (compat_43_sys_lstat(l, uap, retval)); 174 } 175 176 int 177 sunos_sys_execv(struct lwp *l, void *v, register_t *retval) 178 { 179 struct sunos_sys_execv_args /* { 180 syscallarg(const char *) path; 181 syscallarg(char **) argv; 182 } */ *uap = v; 183 struct sys_execve_args ap; 184 185 SCARG(&ap, path) = SCARG(uap, path); 186 SCARG(&ap, argp) = SCARG(uap, argp); 187 SCARG(&ap, envp) = NULL; 188 189 return (sys_execve(l, &ap, retval)); 190 } 191 192 int 193 sunos_sys_execve(struct lwp *l, void *v, register_t *retval) 194 { 195 struct sunos_sys_execve_args /* { 196 syscallarg(const char *) path; 197 syscallarg(char **) argv; 198 syscallarg(char **) envp; 199 } */ *uap = v; 200 struct sys_execve_args ap; 201 202 SCARG(&ap, path) = SCARG(uap, path); 203 SCARG(&ap, argp) = SCARG(uap, argp); 204 SCARG(&ap, envp) = SCARG(uap, envp); 205 206 return (sys_execve(l, &ap, retval)); 207 } 208 209 int 210 sunos_sys_omsync(struct lwp *l, void *v, register_t *retval) 211 { 212 struct sunos_sys_omsync_args *uap = v; 213 struct sys___msync13_args ouap; 214 215 SCARG(&ouap, addr) = SCARG(uap, addr); 216 SCARG(&ouap, len) = SCARG(uap, len); 217 SCARG(&ouap, flags) = SCARG(uap, flags); 218 219 return (sys___msync13(l, &ouap, retval)); 220 } 221 222 int 223 sunos_sys_unmount(struct lwp *l, void *v, register_t *retval) 224 { 225 struct sunos_sys_unmount_args *uap = v; 226 struct sys_unmount_args ouap; 227 228 SCARG(&ouap, path) = SCARG(uap, path); 229 SCARG(&ouap, flags) = 0; 230 231 return (sys_unmount(l, &ouap, retval)); 232 } 233 234 /* 235 * Conversion table for SunOS NFS mount flags. 236 */ 237 static struct { 238 int sun_flg; 239 int bsd_flg; 240 } sunnfs_flgtab[] = { 241 { SUNNFS_SOFT, NFSMNT_SOFT }, 242 { SUNNFS_WSIZE, NFSMNT_WSIZE }, 243 { SUNNFS_RSIZE, NFSMNT_RSIZE }, 244 { SUNNFS_TIMEO, NFSMNT_TIMEO }, 245 { SUNNFS_RETRANS, NFSMNT_RETRANS }, 246 { SUNNFS_HOSTNAME, 0 }, /* Ignored */ 247 { SUNNFS_INT, NFSMNT_INT }, 248 { SUNNFS_NOAC, 0 }, /* Ignored */ 249 { SUNNFS_ACREGMIN, 0 }, /* Ignored */ 250 { SUNNFS_ACREGMAX, 0 }, /* Ignored */ 251 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ 252 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ 253 { SUNNFS_SECURE, 0 }, /* Ignored */ 254 { SUNNFS_NOCTO, 0 }, /* Ignored */ 255 { SUNNFS_POSIX, 0 } /* Ignored */ 256 }; 257 258 int 259 sunos_sys_mount(struct lwp *l, void *v, register_t *retval) 260 { 261 struct sunos_sys_mount_args *uap = v; 262 int oflags = SCARG(uap, flags), nflags, error; 263 char fsname[MFSNAMELEN]; 264 register_t dummy; 265 266 if (oflags & (SUNM_NOSUB | SUNM_SYS5)) 267 return (EINVAL); 268 if ((oflags & SUNM_NEWTYPE) == 0) 269 return (EINVAL); 270 nflags = 0; 271 if (oflags & SUNM_RDONLY) 272 nflags |= MNT_RDONLY; 273 if (oflags & SUNM_NOSUID) 274 nflags |= MNT_NOSUID; 275 if (oflags & SUNM_REMOUNT) 276 nflags |= MNT_UPDATE; 277 278 error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); 279 if (error) 280 return (error); 281 282 if (strcmp(fsname, "nfs") == 0) { 283 struct sunos_nfs_args sna; 284 struct nfs_args na; 285 int n; 286 287 error = copyin(SCARG(uap, data), &sna, sizeof sna); 288 if (error) 289 return (error); 290 /* sa.sa_len = sizeof(sain); */ 291 na.version = NFS_ARGSVERSION; 292 na.addr = (void *)sna.addr; 293 na.addrlen = sizeof(struct sockaddr); 294 na.sotype = SOCK_DGRAM; 295 na.proto = IPPROTO_UDP; 296 na.fh = sna.fh; 297 na.fhsize = NFSX_V2FH; 298 na.flags = 0; 299 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); 300 while (--n >= 0) 301 if (sna.flags & sunnfs_flgtab[n].sun_flg) 302 na.flags |= sunnfs_flgtab[n].bsd_flg; 303 na.wsize = sna.wsize; 304 na.rsize = sna.rsize; 305 if (na.flags & NFSMNT_RSIZE) { 306 na.flags |= NFSMNT_READDIRSIZE; 307 na.readdirsize = na.rsize; 308 } 309 na.timeo = sna.timeo; 310 na.retrans = sna.retrans; 311 na.hostname = /* (char *)(u_long) */ sna.hostname; 312 313 return do_sys_mount(l, vfs_getopsbyname("nfs"), NULL, 314 SCARG(uap, dir), nflags, &na, 315 UIO_SYSSPACE, sizeof na, &dummy); 316 } 317 318 if (strcmp(fsname, "4.2") == 0) 319 strcpy(fsname, "ffs"); 320 321 return do_sys_mount(l, vfs_getopsbyname(fsname), NULL, 322 SCARG(uap, dir), nflags, SCARG(uap, data), 323 UIO_USERSPACE, 0, &dummy); 324 } 325 326 #if defined(NFS) 327 int 328 async_daemon(struct lwp *l, void *v, register_t *retval) 329 { 330 struct sys_nfssvc_args ouap; 331 332 SCARG(&ouap, flag) = NFSSVC_BIOD; 333 SCARG(&ouap, argp) = NULL; 334 335 return (sys_nfssvc(l, &ouap, retval)); 336 } 337 #endif /* NFS */ 338 339 void native_to_sunos_sigset(const sigset_t *, int *); 340 void sunos_to_native_sigset(const int, sigset_t *); 341 342 inline void 343 native_to_sunos_sigset(const sigset_t *ss, int *mask) 344 { 345 *mask = ss->__bits[0]; 346 } 347 348 inline void 349 sunos_to_native_sigset(const int mask, sigset_t *ss) 350 { 351 352 ss->__bits[0] = mask; 353 ss->__bits[1] = 0; 354 ss->__bits[2] = 0; 355 ss->__bits[3] = 0; 356 } 357 358 int 359 sunos_sys_sigpending(struct lwp *l, void *v, register_t *retval) 360 { 361 struct sunos_sys_sigpending_args *uap = v; 362 sigset_t ss; 363 int mask; 364 365 sigpending1(l, &ss); 366 native_to_sunos_sigset(&ss, &mask); 367 368 return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); 369 } 370 371 int 372 sunos_sys_sigsuspend(struct lwp *l, void *v, register_t *retval) 373 { 374 struct sunos_sys_sigsuspend_args /* { 375 syscallarg(int) mask; 376 } */ *uap = v; 377 int mask; 378 sigset_t ss; 379 380 mask = SCARG(uap, mask); 381 sunos_to_native_sigset(mask, &ss); 382 return (sigsuspend1(l, &ss)); 383 } 384 385 /* 386 * Read Sun-style directory entries. We suck them into kernel space so 387 * that they can be massaged before being copied out to user code. Like 388 * SunOS, we squish out `empty' entries. 389 * 390 * This is quite ugly, but what do you expect from compatibility code? 391 */ 392 int 393 sunos_sys_getdents(struct lwp *l, void *v, register_t *retval) 394 { 395 struct sunos_sys_getdents_args *uap = v; 396 struct proc *p = l->l_proc; 397 struct dirent *bdp; 398 struct vnode *vp; 399 char *inp, *buf; /* BSD-format */ 400 int len, reclen; /* BSD-format */ 401 char *outp; /* Sun-format */ 402 int resid, sunos_reclen;/* Sun-format */ 403 struct file *fp; 404 struct uio auio; 405 struct iovec aiov; 406 struct sunos_dirent idb; 407 off_t off; /* true file offset */ 408 int buflen, error, eofflag; 409 off_t *cookiebuf, *cookie; 410 int ncookies; 411 412 /* getvnode() will use the descriptor for us */ 413 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 414 return (error); 415 416 if ((fp->f_flag & FREAD) == 0) { 417 error = EBADF; 418 goto out1; 419 } 420 421 vp = (struct vnode *)fp->f_data; 422 if (vp->v_type != VDIR) { 423 error = EINVAL; 424 goto out1; 425 } 426 427 buflen = min(MAXBSIZE, SCARG(uap, nbytes)); 428 buf = malloc(buflen, M_TEMP, M_WAITOK); 429 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 430 off = fp->f_offset; 431 again: 432 aiov.iov_base = buf; 433 aiov.iov_len = buflen; 434 auio.uio_iov = &aiov; 435 auio.uio_iovcnt = 1; 436 auio.uio_rw = UIO_READ; 437 auio.uio_resid = buflen; 438 auio.uio_offset = off; 439 UIO_SETUP_SYSSPACE(&auio); 440 /* 441 * First we read into the malloc'ed buffer, then 442 * we massage it into user space, one record at a time. 443 */ 444 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf, 445 &ncookies); 446 if (error) 447 goto out; 448 449 inp = buf; 450 outp = SCARG(uap, buf); 451 resid = SCARG(uap, nbytes); 452 if ((len = buflen - auio.uio_resid) == 0) 453 goto eof; 454 455 for (cookie = cookiebuf; len > 0; len -= reclen) { 456 bdp = (struct dirent *)inp; 457 reclen = bdp->d_reclen; 458 if (reclen & 3) 459 panic("sunos_getdents"); 460 if ((*cookie >> 32) != 0) { 461 compat_offseterr(vp, "sunos_getdents"); 462 error = EINVAL; 463 goto out; 464 } 465 if (bdp->d_fileno == 0) { 466 inp += reclen; /* it is a hole; squish it out */ 467 if (cookie) 468 off = *cookie++; 469 else 470 off += reclen; 471 continue; 472 } 473 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); 474 if (reclen > len || resid < sunos_reclen) { 475 /* entry too big for buffer, so just stop */ 476 outp++; 477 break; 478 } 479 if (cookie) 480 off = *cookie++; /* each entry points to next */ 481 else 482 off += reclen; 483 /* 484 * Massage in place to make a Sun-shaped dirent (otherwise 485 * we have to worry about touching user memory outside of 486 * the copyout() call). 487 */ 488 idb.d_fileno = bdp->d_fileno; 489 idb.d_off = off; 490 idb.d_reclen = sunos_reclen; 491 idb.d_namlen = bdp->d_namlen; 492 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); 493 if ((error = copyout((void *)&idb, outp, sunos_reclen)) != 0) 494 goto out; 495 /* advance past this real entry */ 496 inp += reclen; 497 /* advance output past Sun-shaped entry */ 498 outp += sunos_reclen; 499 resid -= sunos_reclen; 500 } 501 502 /* if we squished out the whole block, try again */ 503 if (outp == SCARG(uap, buf)) 504 goto again; 505 fp->f_offset = off; /* update the vnode offset */ 506 507 eof: 508 *retval = SCARG(uap, nbytes) - resid; 509 out: 510 VOP_UNLOCK(vp, 0); 511 free(cookiebuf, M_TEMP); 512 free(buf, M_TEMP); 513 out1: 514 FILE_UNUSE(fp, l); 515 return (error); 516 } 517 518 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 519 520 int 521 sunos_sys_mmap(struct lwp *l, void *v, register_t *retval) 522 { 523 struct sunos_sys_mmap_args *uap = v; 524 struct sys_mmap_args ouap; 525 526 /* 527 * Verify the arguments. 528 */ 529 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 530 return (EINVAL); /* XXX still needed? */ 531 532 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) 533 return (EINVAL); 534 535 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; 536 SCARG(&ouap, addr) = SCARG(uap, addr); 537 SCARG(&ouap, len) = SCARG(uap, len); 538 SCARG(&ouap, prot) = SCARG(uap, prot); 539 SCARG(&ouap, fd) = SCARG(uap, fd); 540 SCARG(&ouap, pos) = SCARG(uap, pos); 541 542 return (sys_mmap(l, &ouap, retval)); 543 } 544 545 #define MC_SYNC 1 546 #define MC_LOCK 2 547 #define MC_UNLOCK 3 548 #define MC_ADVISE 4 549 #define MC_LOCKAS 5 550 #define MC_UNLOCKAS 6 551 552 int 553 sunos_sys_mctl(struct lwp *l, void *v, register_t *retval) 554 { 555 struct sunos_sys_mctl_args *uap = v; 556 557 switch (SCARG(uap, func)) { 558 case MC_ADVISE: /* ignore for now */ 559 return (0); 560 case MC_SYNC: /* translate to msync */ 561 return (sys___msync13(l, uap, retval)); 562 default: 563 return (EINVAL); 564 } 565 } 566 567 int 568 sunos_sys_setsockopt(struct lwp *l, void *v, register_t *retval) 569 { 570 struct sunos_sys_setsockopt_args *uap = v; 571 struct proc *p = l->l_proc; 572 struct file *fp; 573 struct mbuf *m = NULL; 574 int error; 575 576 /* getsock() will use the descriptor for us */ 577 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 578 return (error); 579 #define SO_DONTLINGER (~SO_LINGER) 580 if (SCARG(uap, name) == SO_DONTLINGER) { 581 m = m_get(M_WAIT, MT_SOOPTS); 582 mtod(m, struct linger *)->l_onoff = 0; 583 m->m_len = sizeof(struct linger); 584 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 585 SO_LINGER, m); 586 goto out; 587 } 588 if (SCARG(uap, level) == IPPROTO_IP) { 589 #define SUNOS_IP_MULTICAST_IF 2 590 #define SUNOS_IP_MULTICAST_TTL 3 591 #define SUNOS_IP_MULTICAST_LOOP 4 592 #define SUNOS_IP_ADD_MEMBERSHIP 5 593 #define SUNOS_IP_DROP_MEMBERSHIP 6 594 static const int ipoptxlat[] = { 595 IP_MULTICAST_IF, 596 IP_MULTICAST_TTL, 597 IP_MULTICAST_LOOP, 598 IP_ADD_MEMBERSHIP, 599 IP_DROP_MEMBERSHIP 600 }; 601 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && 602 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { 603 SCARG(uap, name) = 604 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; 605 } 606 } 607 if (SCARG(uap, valsize) > MLEN) { 608 error = EINVAL; 609 goto out; 610 } 611 if (SCARG(uap, val)) { 612 m = m_get(M_WAIT, MT_SOOPTS); 613 error = copyin(SCARG(uap, val), mtod(m, void *), 614 (u_int)SCARG(uap, valsize)); 615 if (error) { 616 (void) m_free(m); 617 goto out; 618 } 619 m->m_len = SCARG(uap, valsize); 620 } 621 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 622 SCARG(uap, name), m); 623 out: 624 FILE_UNUSE(fp, l); 625 return (error); 626 } 627 628 static inline int sunos_sys_socket_common(struct lwp *, register_t *, 629 int type); 630 static inline int 631 sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) 632 { 633 struct socket *so; 634 struct file *fp; 635 int error, fd; 636 637 /* getsock() will use the descriptor for us */ 638 fd = (int)*retval; 639 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) { 640 so = (struct socket *)fp->f_data; 641 if (type == SOCK_DGRAM) 642 so->so_options |= SO_BROADCAST; 643 } 644 FILE_UNUSE(fp, l); 645 return (error); 646 } 647 648 int 649 sunos_sys_socket(struct lwp *l, void *v, register_t *retval) 650 { 651 struct sunos_sys_socket_args /* { 652 syscallarg(int) domain; 653 syscallarg(int) type; 654 syscallarg(int) protocol; 655 } */ *uap = v; 656 int error; 657 658 error = compat_30_sys_socket(l, v, retval); 659 if (error) 660 return (error); 661 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 662 } 663 664 int 665 sunos_sys_socketpair(struct lwp *l, void *v, register_t *retval) 666 { 667 struct sunos_sys_socketpair_args /* { 668 syscallarg(int) domain; 669 syscallarg(int) type; 670 syscallarg(int) protocol; 671 syscallarg(int *) rsv; 672 } */ *uap = v; 673 int error; 674 675 error = sys_socketpair(l, v, retval); 676 if (error) 677 return (error); 678 return sunos_sys_socket_common(l, retval, SCARG(uap, type)); 679 } 680 681 /* 682 * XXX: This needs cleaning up. 683 */ 684 int 685 sunos_sys_auditsys(struct lwp *l, void *v, register_t *retval) 686 { 687 return 0; 688 } 689 690 int 691 sunos_sys_uname(struct lwp *l, void *v, register_t *retval) 692 { 693 struct sunos_sys_uname_args *uap = v; 694 struct sunos_utsname sut; 695 696 memset(&sut, 0, sizeof(sut)); 697 698 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 699 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 700 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 701 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 702 memcpy(sut.version, "1", sizeof(sut.version) - 1); 703 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 704 705 return copyout((void *)&sut, (void *)SCARG(uap, name), 706 sizeof(struct sunos_utsname)); 707 } 708 709 int 710 sunos_sys_setpgrp(struct lwp *l, void *v, register_t *retval) 711 { 712 struct sunos_sys_setpgrp_args *uap = v; 713 struct proc *p = l->l_proc; 714 715 /* 716 * difference to our setpgid call is to include backwards 717 * compatibility to pre-setsid() binaries. Do setsid() 718 * instead of setpgid() in those cases where the process 719 * tries to create a new session the old way. 720 */ 721 if (!SCARG(uap, pgid) && 722 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 723 return sys_setsid(l, uap, retval); 724 else 725 return sys_setpgid(l, uap, retval); 726 } 727 728 int 729 sunos_sys_open(struct lwp *l, void *v, register_t *retval) 730 { 731 struct sunos_sys_open_args *uap = v; 732 struct proc *p = l->l_proc; 733 int smode, nmode; 734 int noctty; 735 int ret; 736 737 /* convert mode into NetBSD mode */ 738 smode = SCARG(uap, flags); 739 noctty = smode & 0x8000; 740 nmode = smode & 741 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); 742 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 743 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); 744 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); 745 nmode |= ((smode & 0x2000) ? O_FSYNC : 0); 746 747 SCARG(uap, flags) = nmode; 748 ret = sys_open(l, (struct sys_open_args *)uap, retval); 749 750 /* XXXSMP */ 751 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { 752 struct filedesc *fdp = p->p_fd; 753 struct file *fp; 754 755 fp = fd_getfile(fdp, *retval); 756 757 /* ignore any error, just give it a try */ 758 if (fp != NULL) { 759 FILE_USE(fp); 760 if (fp->f_type == DTYPE_VNODE) 761 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL, l); 762 FILE_UNUSE(fp, l); 763 } 764 } 765 return ret; 766 } 767 768 #if defined (NFSSERVER) 769 int 770 sunos_sys_nfssvc(struct lwp *l, void *v, register_t *retval) 771 { 772 #if 0 773 struct sunos_sys_nfssvc_args *uap = v; 774 struct proc *p = l->l_proc; 775 struct emul *e = p->p_emul; 776 struct sys_nfssvc_args outuap; 777 struct sockaddr sa; 778 int error; 779 void *sg = stackgap_init(p, 0); 780 781 memset(&outuap, 0, sizeof outuap); 782 SCARG(&outuap, fd) = SCARG(uap, fd); 783 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa)); 784 SCARG(&outuap, msklen) = sizeof(sa); 785 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa)); 786 SCARG(&outuap, mtchlen) = sizeof(sa); 787 788 memset(&sa, 0, sizeof sa); 789 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 790 return (error); 791 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 792 return (error); 793 794 return nfssvc(l, &outuap, retval); 795 #else 796 return (ENOSYS); 797 #endif 798 } 799 #endif /* NFSSERVER */ 800 801 int 802 sunos_sys_ustat(struct lwp *l, void *v, register_t *retval) 803 { 804 struct sunos_sys_ustat_args *uap = v; 805 struct sunos_ustat us; 806 int error; 807 808 memset(&us, 0, sizeof us); 809 810 /* 811 * XXX: should set f_tfree and f_tinode at least 812 * How do we translate dev -> fstat? (and then to sunos_ustat) 813 */ 814 815 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 816 return (error); 817 return 0; 818 } 819 820 int 821 sunos_sys_quotactl(struct lwp *l, void *v, register_t *retval) 822 { 823 824 return EINVAL; 825 } 826 827 int 828 sunos_sys_vhangup(struct lwp *l, void *v, register_t *retval) 829 { 830 struct proc *p = l->l_proc; 831 struct session *sp = p->p_session; 832 833 if (sp->s_ttyvp == 0) 834 return 0; 835 836 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) 837 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); 838 839 (void) ttywait(sp->s_ttyp); 840 if (sp->s_ttyvp) 841 VOP_REVOKE(sp->s_ttyvp, REVOKEALL); 842 if (sp->s_ttyvp) 843 vrele(sp->s_ttyvp); 844 sp->s_ttyvp = NULL; 845 846 return 0; 847 } 848 849 static int 850 sunstatfs(struct statvfs *sp, void *buf) 851 { 852 struct sunos_statfs ssfs; 853 854 memset(&ssfs, 0, sizeof ssfs); 855 ssfs.f_type = 0; 856 ssfs.f_bsize = sp->f_bsize; 857 ssfs.f_blocks = sp->f_blocks; 858 ssfs.f_bfree = sp->f_bfree; 859 ssfs.f_bavail = sp->f_bavail; 860 ssfs.f_files = sp->f_files; 861 ssfs.f_ffree = sp->f_ffree; 862 ssfs.f_fsid = sp->f_fsidx; 863 return copyout((void *)&ssfs, buf, sizeof ssfs); 864 } 865 866 int 867 sunos_sys_statfs(struct lwp *l, void *v, register_t *retval) 868 { 869 struct sunos_sys_statfs_args *uap = v; 870 struct mount *mp; 871 struct statvfs *sp; 872 int error; 873 struct nameidata nd; 874 875 NDINIT(&nd, LOOKUP, FOLLOW | TRYEMULROOT, UIO_USERSPACE, 876 SCARG(uap, path)); 877 if ((error = namei(&nd)) != 0) 878 return (error); 879 mp = nd.ni_vp->v_mount; 880 sp = &mp->mnt_stat; 881 vrele(nd.ni_vp); 882 if ((error = VFS_STATVFS(mp, sp)) != 0) 883 return (error); 884 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 885 return sunstatfs(sp, (void *)SCARG(uap, buf)); 886 } 887 888 int 889 sunos_sys_fstatfs(struct lwp *l, void *v, register_t *retval) 890 { 891 struct sunos_sys_fstatfs_args *uap = v; 892 struct proc *p = l->l_proc; 893 struct file *fp; 894 struct mount *mp; 895 struct statvfs *sp; 896 int error; 897 898 /* getvnode() will use the descriptor for us */ 899 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 900 return (error); 901 mp = ((struct vnode *)fp->f_data)->v_mount; 902 sp = &mp->mnt_stat; 903 if ((error = VFS_STATVFS(mp, sp)) != 0) 904 goto out; 905 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; 906 error = sunstatfs(sp, (void *)SCARG(uap, buf)); 907 out: 908 FILE_UNUSE(fp, l); 909 return (error); 910 } 911 912 int 913 sunos_sys_exportfs(struct lwp *l, void *v, register_t *retval) 914 { 915 /* 916 * XXX: should perhaps translate into a mount(2) 917 * with MOUNT_EXPORT? 918 */ 919 return 0; 920 } 921 922 int 923 sunos_sys_mknod(struct lwp *l, void *v, register_t *retval) 924 { 925 struct sunos_sys_mknod_args *uap = v; 926 927 if (S_ISFIFO(SCARG(uap, mode))) 928 return sys_mkfifo(l, uap, retval); 929 930 return sys_mknod(l, (struct sys_mknod_args *)uap, retval); 931 } 932 933 #define SUNOS_SC_ARG_MAX 1 934 #define SUNOS_SC_CHILD_MAX 2 935 #define SUNOS_SC_CLK_TCK 3 936 #define SUNOS_SC_NGROUPS_MAX 4 937 #define SUNOS_SC_OPEN_MAX 5 938 #define SUNOS_SC_JOB_CONTROL 6 939 #define SUNOS_SC_SAVED_IDS 7 940 #define SUNOS_SC_VERSION 8 941 942 int 943 sunos_sys_sysconf(struct lwp *l, void *v, register_t *retval) 944 { 945 struct sunos_sys_sysconf_args *uap = v; 946 extern int maxfiles; 947 948 switch(SCARG(uap, name)) { 949 case SUNOS_SC_ARG_MAX: 950 *retval = ARG_MAX; 951 break; 952 case SUNOS_SC_CHILD_MAX: 953 *retval = maxproc; 954 break; 955 case SUNOS_SC_CLK_TCK: 956 *retval = 60; /* should this be `hz', ie. 100? */ 957 break; 958 case SUNOS_SC_NGROUPS_MAX: 959 *retval = NGROUPS_MAX; 960 break; 961 case SUNOS_SC_OPEN_MAX: 962 *retval = maxfiles; 963 break; 964 case SUNOS_SC_JOB_CONTROL: 965 *retval = 1; 966 break; 967 case SUNOS_SC_SAVED_IDS: 968 #ifdef _POSIX_SAVED_IDS 969 *retval = 1; 970 #else 971 *retval = 0; 972 #endif 973 break; 974 case SUNOS_SC_VERSION: 975 *retval = 198808; 976 break; 977 default: 978 return EINVAL; 979 } 980 return 0; 981 } 982 983 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ 984 #define SUNOS_RLIM_NLIMITS 7 985 986 int 987 sunos_sys_getrlimit(struct lwp *l, void *v, register_t *retval) 988 { 989 struct sunos_sys_getrlimit_args *uap = v; 990 991 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 992 return EINVAL; 993 994 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 995 SCARG(uap, which) = RLIMIT_NOFILE; 996 997 return compat_43_sys_getrlimit(l, uap, retval); 998 } 999 1000 int 1001 sunos_sys_setrlimit(struct lwp *l, void *v, register_t *retval) 1002 { 1003 struct sunos_sys_getrlimit_args *uap = v; 1004 1005 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) 1006 return EINVAL; 1007 1008 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) 1009 SCARG(uap, which) = RLIMIT_NOFILE; 1010 1011 return compat_43_sys_setrlimit(l, uap, retval); 1012 } 1013 1014 #if defined(PTRACE) || defined(_LKM) 1015 /* for the m68k machines */ 1016 #ifndef PT_GETFPREGS 1017 #define PT_GETFPREGS -1 1018 #endif 1019 #ifndef PT_SETFPREGS 1020 #define PT_SETFPREGS -1 1021 #endif 1022 1023 static const int sreq2breq[] = { 1024 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, 1025 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, 1026 PT_KILL, -1, PT_ATTACH, PT_DETACH, 1027 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS 1028 }; 1029 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); 1030 #endif /* PTRACE || _LKM */ 1031 1032 int 1033 sunos_sys_ptrace(struct lwp *l, void *v, register_t *retval) 1034 { 1035 #if defined(PTRACE) || defined(_LKM) 1036 struct sunos_sys_ptrace_args *uap = v; 1037 struct sys_ptrace_args pa; 1038 int req; 1039 1040 #ifdef _LKM 1041 #define sys_ptrace sysent[SYS_ptrace].sy_call 1042 if (sys_ptrace == sys_nosys) 1043 return ENOSYS; 1044 #endif 1045 1046 req = SCARG(uap, req); 1047 1048 if (req < 0 || req >= nreqs) 1049 return (EINVAL); 1050 1051 req = sreq2breq[req]; 1052 if (req == -1) 1053 return (EINVAL); 1054 1055 SCARG(&pa, req) = req; 1056 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); 1057 SCARG(&pa, addr) = (void *)SCARG(uap, addr); 1058 SCARG(&pa, data) = SCARG(uap, data); 1059 1060 return sys_ptrace(l, &pa, retval); 1061 #else 1062 return ENOSYS; 1063 #endif /* PTRACE || _LKM */ 1064 } 1065 1066 /* 1067 * SunOS reboot system call (for compatibility). 1068 * Sun lets you pass in a boot string which the PROM 1069 * saves and provides to the next boot program. 1070 */ 1071 1072 #define SUNOS_RB_ASKNAME 0x001 1073 #define SUNOS_RB_SINGLE 0x002 1074 #define SUNOS_RB_NOSYNC 0x004 1075 #define SUNOS_RB_HALT 0x008 1076 #define SUNOS_RB_DUMP 0x080 1077 #define SUNOS_RB_STRING 0x200 1078 1079 static struct sunos_howto_conv { 1080 int sun_howto; 1081 int bsd_howto; 1082 } sunos_howto_conv[] = { 1083 { SUNOS_RB_ASKNAME, RB_ASKNAME }, 1084 { SUNOS_RB_SINGLE, RB_SINGLE }, 1085 { SUNOS_RB_NOSYNC, RB_NOSYNC }, 1086 { SUNOS_RB_HALT, RB_HALT }, 1087 { SUNOS_RB_DUMP, RB_DUMP }, 1088 { SUNOS_RB_STRING, RB_STRING }, 1089 { 0x000, 0 }, 1090 }; 1091 1092 int 1093 sunos_sys_reboot(struct lwp *l, void *v, register_t *retval) 1094 { 1095 struct sunos_sys_reboot_args *uap = v; 1096 struct sys_reboot_args ua; 1097 struct sunos_howto_conv *convp; 1098 int error, bsd_howto, sun_howto; 1099 char *bootstr; 1100 1101 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 1102 0, NULL, NULL, NULL)) != 0) 1103 return (error); 1104 1105 /* 1106 * Convert howto bits to BSD format. 1107 */ 1108 sun_howto = SCARG(uap, howto); 1109 bsd_howto = 0; 1110 convp = sunos_howto_conv; 1111 while (convp->sun_howto) { 1112 if (sun_howto & convp->sun_howto) 1113 bsd_howto |= convp->bsd_howto; 1114 convp++; 1115 } 1116 1117 /* 1118 * Sun RB_STRING (Get user supplied bootstring.) 1119 * If the machine supports passing a string to the 1120 * next booted kernel. 1121 */ 1122 if (sun_howto & SUNOS_RB_STRING) { 1123 char bs[128]; 1124 1125 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); 1126 1127 if (error) 1128 bootstr = NULL; 1129 else 1130 bootstr = bs; 1131 } else 1132 bootstr = NULL; 1133 1134 SCARG(&ua, opt) = bsd_howto; 1135 SCARG(&ua, bootstr) = bootstr; 1136 sys_reboot(l, &ua, retval); 1137 return(0); 1138 } 1139 1140 /* 1141 * Generalized interface signal handler, 4.3-compatible. 1142 */ 1143 /* ARGSUSED */ 1144 int 1145 sunos_sys_sigvec(struct lwp *l, void *v, register_t *retval) 1146 { 1147 struct sunos_sys_sigvec_args /* { 1148 syscallarg(int) signum; 1149 syscallarg(struct sigvec *) nsv; 1150 syscallarg(struct sigvec *) osv; 1151 } */ *uap = v; 1152 struct sigvec nsv, osv; 1153 struct sigaction nsa, osa; 1154 int error; 1155 /*XXX*/extern void compat_43_sigvec_to_sigaction 1156 (const struct sigvec *, struct sigaction *); 1157 /*XXX*/extern void compat_43_sigaction_to_sigvec 1158 (const struct sigaction *, struct sigvec *); 1159 1160 if (SCARG(uap, nsv)) { 1161 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 1162 if (error != 0) 1163 return (error); 1164 1165 /* 1166 * SunOS uses the mask 0x0004 as SV_RESETHAND 1167 * meaning: `reset to SIG_DFL on delivery'. 1168 * We support only the bits in: 0xF 1169 * (those bits are the same as ours) 1170 */ 1171 if (nsv.sv_flags & ~0xF) 1172 return (EINVAL); 1173 1174 compat_43_sigvec_to_sigaction(&nsv, &nsa); 1175 } 1176 error = sigaction1(l, SCARG(uap, signum), 1177 SCARG(uap, nsv) ? &nsa : 0, 1178 SCARG(uap, osv) ? &osa : 0, 1179 NULL, 0); 1180 if (error != 0) 1181 return (error); 1182 1183 if (SCARG(uap, osv)) { 1184 compat_43_sigaction_to_sigvec(&osa, &osv); 1185 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 1186 if (error != 0) 1187 return (error); 1188 } 1189 1190 return (0); 1191 } 1192