ultrix_misc.c revision 1.18
1 /* $NetBSD: ultrix_misc.c,v 1.18 1995/12/26 04:23:14 jonathan 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. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * 45 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 46 * 47 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 48 */ 49 50 /* 51 * SunOS compatibility module. 52 * 53 * SunOS system calls that are implemented differently in BSD are 54 * handled here. 55 */ 56 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/namei.h> 60 #include <sys/dir.h> 61 #include <sys/proc.h> 62 #include <sys/file.h> 63 #include <sys/stat.h> 64 #include <sys/filedesc.h> 65 #include <sys/ioctl.h> 66 #include <sys/kernel.h> 67 #include <sys/exec.h> 68 #include <sys/malloc.h> 69 #include <sys/mbuf.h> 70 #include <sys/mman.h> 71 #include <sys/mount.h> 72 #include <sys/resource.h> 73 #include <sys/resourcevar.h> 74 #include <sys/signal.h> 75 #include <sys/signalvar.h> 76 #include <sys/socket.h> 77 #include <sys/vnode.h> 78 #include <sys/uio.h> 79 #include <sys/wait.h> 80 #include <sys/utsname.h> 81 #include <sys/unistd.h> 82 #include <sys/syscallargs.h> 83 84 #include <compat/ultrix/ultrix_syscall.h> 85 #include <compat/ultrix/ultrix_syscallargs.h> 86 87 #include <netinet/in.h> 88 89 #include <miscfs/specfs/specdev.h> 90 91 #include <nfs/rpcv2.h> 92 #include <nfs/nfsv2.h> 93 #include <nfs/nfs.h> 94 95 #include <vm/vm.h> 96 97 extern struct sysent ultrix_sysent[]; 98 extern char *ultrix_syscallnames[]; 99 extern void cpu_exec_ecoff_setregs __P((struct proc *, struct exec_package *, 100 u_long, register_t *)); 101 struct emul emul_ultrix = { 102 "ultrix", 103 NULL, 104 sendsig, 105 ULTRIX_SYS_syscall, 106 ULTRIX_SYS_MAXSYSCALL, 107 ultrix_sysent, 108 ultrix_syscallnames, 109 0, 110 copyargs, 111 cpu_exec_ecoff_setregs, 112 0, 113 0, 114 }; 115 116 #define GSI_PROG_ENV 1 117 118 ultrix_sys_getsysinfo(p, v, retval) 119 struct proc *p; 120 void *v; 121 register_t *retval; 122 { 123 struct ultrix_sys_getsysinfo_args *uap = v; 124 static short progenv = 0; 125 126 switch (SCARG(uap, op)) { 127 /* operations implemented: */ 128 case GSI_PROG_ENV: 129 if (SCARG(uap, nbytes) < sizeof(short)) 130 return EINVAL; 131 *retval = 1; 132 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 133 default: 134 *retval = 0; /* info unavail */ 135 return 0; 136 } 137 } 138 139 ultrix_sys_setsysinfo(p, v, retval) 140 struct proc *p; 141 void *v; 142 register_t *retval; 143 { 144 struct ultrix_sys_setsysinfo_args *uap = v; 145 *retval = 0; 146 return 0; 147 } 148 149 ultrix_sys_waitpid(p, v, retval) 150 struct proc *p; 151 void *v; 152 register_t *retval; 153 { 154 struct ultrix_sys_waitpid_args *uap = v; 155 struct sys_wait4_args ua; 156 157 SCARG(&ua, pid) = SCARG(uap, pid); 158 SCARG(&ua, status) = SCARG(uap, status); 159 SCARG(&ua, options) = SCARG(uap, options); 160 SCARG(&ua, rusage) = 0; 161 162 return (sys_wait4(p, &ua, retval)); 163 } 164 165 ultrix_sys_wait3(p, v, retval) 166 struct proc *p; 167 void *v; 168 register_t *retval; 169 { 170 struct ultrix_sys_wait3_args *uap = v; 171 struct sys_wait4_args ua; 172 173 SCARG(&ua, pid) = -1; 174 SCARG(&ua, status) = SCARG(uap, status); 175 SCARG(&ua, options) = SCARG(uap, options); 176 SCARG(&ua, rusage) = SCARG(uap, rusage); 177 178 return (sys_wait4(p, &ua, retval)); 179 } 180 181 ultrix_sys_execv(p, v, retval) 182 struct proc *p; 183 void *v; 184 register_t *retval; 185 { 186 struct ultrix_sys_execv_args *uap = v; 187 struct sys_execve_args ouap; 188 189 SCARG(&ouap, path) = SCARG(uap, path); 190 SCARG(&ouap, argp) = SCARG(uap, argp); 191 SCARG(&ouap, envp) = NULL; 192 193 return (sys_execve(p, &ouap, retval)); 194 } 195 196 ultrix_sys_select(p, v, retval) 197 struct proc *p; 198 void *v; 199 register_t *retval; 200 { 201 struct sys_select_args *uap = v; 202 struct timeval atv, *tvp; 203 int error; 204 205 /* Limit number of FDs selected on to the native maximum */ 206 207 if (SCARG(uap, nd) > FD_SETSIZE) 208 SCARG(uap, nd) = FD_SETSIZE; 209 210 /* Check for negative timeval */ 211 if (SCARG(uap, tv)) { 212 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 213 sizeof(atv)); 214 if (error) 215 goto done; 216 #ifdef DEBUG 217 /* Ultrix clients sometimes give negative timeouts? */ 218 if (atv.tv_sec < 0 || atv.tv_usec < 0) 219 printf("ultrix select( %d, %d)\n", 220 atv.tv_sec, atv.tv_usec); 221 /*tvp = (timeval *)STACKGAPBASE;*/ 222 #endif 223 224 } 225 error = sys_select(p, (void*) uap, retval); 226 if (error == EINVAL) 227 printf("ultrix select: bad args?\n"); 228 229 done: 230 return error; 231 } 232 233 #if defined(NFSCLIENT) 234 async_daemon(p, v, retval) 235 struct proc *p; 236 void *v; 237 register_t *retval; 238 { 239 struct sys_nfssvc_args ouap; 240 241 SCARG(&ouap, flag) = NFSSVC_BIOD; 242 SCARG(&ouap, argp) = NULL; 243 244 return (sys_nfssvc(p, &ouap, retval)); 245 } 246 #endif /* NFSCLIENT */ 247 248 ultrix_sys_sigpending(p, v, retval) 249 struct proc *p; 250 void *v; 251 register_t *retval; 252 { 253 struct ultrix_sys_sigpending_args *uap = v; 254 int mask = p->p_siglist & p->p_sigmask; 255 256 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 257 } 258 259 #if 0 260 /* XXX: Temporary until sys/dir.h, include/dirent.h and sys/dirent.h are fixed */ 261 struct dirent { 262 u_long d_fileno; /* file number of entry */ 263 u_short d_reclen; /* length of this record */ 264 u_short d_namlen; /* length of string in d_name */ 265 char d_name[255 + 1]; /* name must be no longer than this */ 266 }; 267 #endif 268 269 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 270 271 ultrix_sys_mmap(p, v, retval) 272 register struct proc *p; 273 void *v; 274 register_t *retval; 275 { 276 register struct ultrix_sys_mmap_args *uap = v; 277 struct sys_mmap_args ouap; 278 register struct filedesc *fdp; 279 register struct file *fp; 280 register struct vnode *vp; 281 282 /* 283 * Verify the arguments. 284 */ 285 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 286 return (EINVAL); /* XXX still needed? */ 287 288 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 289 return (EINVAL); 290 291 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 292 SCARG(&ouap, addr) = SCARG(uap, addr); 293 294 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 295 SCARG(&ouap, addr) != 0 && 296 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 297 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 298 299 SCARG(&ouap, len) = SCARG(uap, len); 300 SCARG(&ouap, prot) = SCARG(uap, prot); 301 SCARG(&ouap, fd) = SCARG(uap, fd); 302 SCARG(&ouap, pos) = SCARG(uap, pos); 303 304 /* 305 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 306 */ 307 fdp = p->p_fd; 308 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 309 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 310 fp->f_type == DTYPE_VNODE && /*XXX*/ 311 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 312 iszerodev(vp->v_rdev)) { /*XXX*/ 313 SCARG(&ouap, flags) |= MAP_ANON; 314 SCARG(&ouap, fd) = -1; 315 } 316 317 return (sys_mmap(p, &ouap, retval)); 318 } 319 320 ultrix_sys_setsockopt(p, v, retval) 321 struct proc *p; 322 void *v; 323 register_t *retval; 324 { 325 register struct ultrix_sys_setsockopt_args *uap = v; 326 struct file *fp; 327 struct mbuf *m = NULL; 328 int error; 329 330 if (error = getsock(p->p_fd, SCARG(uap, s), &fp)) 331 return (error); 332 #define SO_DONTLINGER (~SO_LINGER) 333 if (SCARG(uap, name) == SO_DONTLINGER) { 334 m = m_get(M_WAIT, MT_SOOPTS); 335 if (m == NULL) 336 return (ENOBUFS); 337 mtod(m, struct linger *)->l_onoff = 0; 338 m->m_len = sizeof(struct linger); 339 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 340 SO_LINGER, m)); 341 } 342 if (SCARG(uap, valsize) > MLEN) 343 return (EINVAL); 344 if (SCARG(uap, val)) { 345 m = m_get(M_WAIT, MT_SOOPTS); 346 if (m == NULL) 347 return (ENOBUFS); 348 if (error = copyin(SCARG(uap, val), mtod(m, caddr_t), 349 (u_int)SCARG(uap, valsize))) { 350 (void) m_free(m); 351 return (error); 352 } 353 m->m_len = SCARG(uap, valsize); 354 } 355 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 356 SCARG(uap, name), m)); 357 } 358 359 struct ultrix_utsname { 360 char sysname[9]; 361 char nodename[9]; 362 char nodeext[65-9]; 363 char release[9]; 364 char version[9]; 365 char machine[9]; 366 }; 367 368 ultrix_sys_uname(p, v, retval) 369 struct proc *p; 370 void *v; 371 register_t *retval; 372 { 373 struct ultrix_sys_uname_args *uap = v; 374 struct ultrix_utsname sut; 375 extern char ostype[], machine[], osrelease[]; 376 377 bzero(&sut, sizeof(sut)); 378 379 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 380 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 381 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 382 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 383 bcopy("1", sut.version, sizeof(sut.version) - 1); 384 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 385 386 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 387 sizeof(struct ultrix_utsname)); 388 } 389 390 int 391 ultrix_sys_setpgrp(p, v, retval) 392 struct proc *p; 393 void *v; 394 register_t *retval; 395 { 396 struct ultrix_sys_setpgrp_args *uap = v; 397 398 /* 399 * difference to our setpgid call is to include backwards 400 * compatibility to pre-setsid() binaries. Do setsid() 401 * instead of setpgid() in those cases where the process 402 * tries to create a new session the old way. 403 */ 404 if (!SCARG(uap, pgid) && 405 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 406 return sys_setsid(p, uap, retval); 407 else 408 return sys_setpgid(p, uap, retval); 409 } 410 411 ultrix_sys_open(p, v, retval) 412 struct proc *p; 413 void *v; 414 register_t *retval; 415 { 416 struct ultrix_sys_open_args *uap = v; 417 int l, r; 418 int noctty; 419 int ret; 420 421 /* convert open flags into NetBSD flags */ 422 l = SCARG(uap, flags); 423 noctty = l & 0x8000; 424 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 425 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 426 r |= ((l & 0x0080) ? O_SHLOCK : 0); 427 r |= ((l & 0x0100) ? O_EXLOCK : 0); 428 r |= ((l & 0x2000) ? O_FSYNC : 0); 429 430 SCARG(uap, flags) = r; 431 ret = sys_open(p, (struct sys_open_args *)uap, retval); 432 433 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 434 struct filedesc *fdp = p->p_fd; 435 struct file *fp = fdp->fd_ofiles[*retval]; 436 437 /* ignore any error, just give it a try */ 438 if (fp->f_type == DTYPE_VNODE) 439 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 440 } 441 return ret; 442 } 443 444 #if defined (NFSSERVER) 445 ultrix_sys_nfssvc(p, v, retval) 446 struct proc *p; 447 void *v; 448 register_t *retval; 449 { 450 struct ultrix_sys_nfssvc_args *uap = v; 451 struct emul *e = p->p_emul; 452 struct sys_nfssvc_args outuap; 453 struct sockaddr sa; 454 int error; 455 456 #if 0 457 bzero(&outuap, sizeof outuap); 458 SCARG(&outuap, fd) = SCARG(uap, fd); 459 SCARG(&outuap, mskval) = STACKGAPBASE; 460 SCARG(&outuap, msklen) = sizeof sa; 461 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 462 SCARG(&outuap, mtchlen) = sizeof sa; 463 464 bzero(&sa, sizeof sa); 465 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 466 return (error); 467 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 468 return (error); 469 470 return nfssvc(p, &outuap, retval); 471 #else 472 return (ENOSYS); 473 #endif 474 } 475 #endif /* NFSSERVER */ 476 477 struct ultrix_ustat { 478 daddr_t f_tfree; /* total free */ 479 ino_t f_tinode; /* total inodes free */ 480 char f_fname[6]; /* filsys name */ 481 char f_fpack[6]; /* filsys pack name */ 482 }; 483 484 ultrix_sys_ustat(p, v, retval) 485 struct proc *p; 486 void *v; 487 register_t *retval; 488 { 489 struct ultrix_sys_ustat_args *uap = v; 490 struct ultrix_ustat us; 491 int error; 492 493 bzero(&us, sizeof us); 494 495 /* 496 * XXX: should set f_tfree and f_tinode at least 497 * How do we translate dev -> fstat? (and then to ultrix_ustat) 498 */ 499 500 if (error = copyout(&us, SCARG(uap, buf), sizeof us)) 501 return (error); 502 return 0; 503 } 504 505 ultrix_sys_quotactl(p, v, retval) 506 struct proc *p; 507 void *v; 508 register_t *retval; 509 { 510 struct ultrix_sys_quotactl_args *uap = v; 511 512 return EINVAL; 513 } 514 515 ultrix_sys_vhangup(p, v, retval) 516 struct proc *p; 517 void *v; 518 register_t *retval; 519 { 520 521 return 0; 522 } 523 524 struct ultrix_statfs { 525 long f_type; /* type of info, zero for now */ 526 long f_bsize; /* fundamental file system block size */ 527 long f_blocks; /* total blocks in file system */ 528 long f_bfree; /* free blocks */ 529 long f_bavail; /* free blocks available to non-super-user */ 530 long f_files; /* total file nodes in file system */ 531 long f_ffree; /* free file nodes in fs */ 532 fsid_t f_fsid; /* file system id */ 533 long f_spare[7]; /* spare for later */ 534 }; 535 536 static 537 sunstatfs(sp, buf) 538 struct statfs *sp; 539 caddr_t buf; 540 { 541 struct ultrix_statfs ssfs; 542 543 bzero(&ssfs, sizeof ssfs); 544 ssfs.f_type = 0; 545 ssfs.f_bsize = sp->f_bsize; 546 ssfs.f_blocks = sp->f_blocks; 547 ssfs.f_bfree = sp->f_bfree; 548 ssfs.f_bavail = sp->f_bavail; 549 ssfs.f_files = sp->f_files; 550 ssfs.f_ffree = sp->f_ffree; 551 ssfs.f_fsid = sp->f_fsid; 552 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 553 } 554 555 ultrix_sys_statfs(p, v, retval) 556 struct proc *p; 557 void *v; 558 register_t *retval; 559 { 560 struct ultrix_sys_statfs_args *uap = v; 561 register struct mount *mp; 562 register struct statfs *sp; 563 int error; 564 struct nameidata nd; 565 566 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 567 if (error = namei(&nd)) 568 return (error); 569 mp = nd.ni_vp->v_mount; 570 sp = &mp->mnt_stat; 571 vrele(nd.ni_vp); 572 if (error = VFS_STATFS(mp, sp, p)) 573 return (error); 574 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 575 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 576 } 577 578 ultrix_sys_fstatfs(p, v, retval) 579 struct proc *p; 580 void *v; 581 register_t *retval; 582 { 583 struct ultrix_sys_fstatfs_args *uap = v; 584 struct file *fp; 585 struct mount *mp; 586 register struct statfs *sp; 587 int error; 588 589 if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) 590 return (error); 591 mp = ((struct vnode *)fp->f_data)->v_mount; 592 sp = &mp->mnt_stat; 593 if (error = VFS_STATFS(mp, sp, p)) 594 return (error); 595 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 596 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 597 } 598 599 ultrix_sys_exportfs(p, v, retval) 600 struct proc *p; 601 void *v; 602 register_t *retval; 603 { 604 struct ultrix_sys_exportfs_args *uap = v; 605 606 /* 607 * XXX: should perhaps translate into a mount(2) 608 * with MOUNT_EXPORT? 609 */ 610 return 0; 611 } 612 613 ultrix_sys_mknod(p, v, retval) 614 struct proc *p; 615 void *v; 616 register_t *retval; 617 { 618 struct ultrix_sys_mknod_args *uap = v; 619 620 if (S_ISFIFO(SCARG(uap, mode))) 621 return sys_mkfifo(p, uap, retval); 622 623 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 624 } 625 626 int 627 ultrix_sys_sigcleanup(p, v, retval) 628 struct proc *p; 629 void *v; 630 register_t *retval; 631 { 632 struct ultrix_sys_sigcleanup_args *uap = v; 633 634 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 635 } 636
Indexes created Tue Sep 23 07:09:52 GMT 2025