ultrix_misc.c revision 1.16
1 /* $NetBSD: ultrix_misc.c,v 1.16 1995/10/07 06:28:02 mycroft 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 #if defined(NFSCLIENT) 197 async_daemon(p, v, retval) 198 struct proc *p; 199 void *v; 200 register_t *retval; 201 { 202 struct sys_nfssvc_args ouap; 203 204 SCARG(&ouap, flag) = NFSSVC_BIOD; 205 SCARG(&ouap, argp) = NULL; 206 207 return (sys_nfssvc(p, &ouap, retval)); 208 } 209 #endif /* NFSCLIENT */ 210 211 ultrix_sys_sigpending(p, v, retval) 212 struct proc *p; 213 void *v; 214 register_t *retval; 215 { 216 struct ultrix_sys_sigpending_args *uap = v; 217 int mask = p->p_siglist & p->p_sigmask; 218 219 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 220 } 221 222 #if 0 223 /* XXX: Temporary until sys/dir.h, include/dirent.h and sys/dirent.h are fixed */ 224 struct dirent { 225 u_long d_fileno; /* file number of entry */ 226 u_short d_reclen; /* length of this record */ 227 u_short d_namlen; /* length of string in d_name */ 228 char d_name[255 + 1]; /* name must be no longer than this */ 229 }; 230 #endif 231 232 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 233 234 ultrix_sys_mmap(p, v, retval) 235 register struct proc *p; 236 void *v; 237 register_t *retval; 238 { 239 register struct ultrix_sys_mmap_args *uap = v; 240 struct sys_mmap_args ouap; 241 register struct filedesc *fdp; 242 register struct file *fp; 243 register struct vnode *vp; 244 245 /* 246 * Verify the arguments. 247 */ 248 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 249 return (EINVAL); /* XXX still needed? */ 250 251 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 252 return (EINVAL); 253 254 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 255 SCARG(&ouap, addr) = SCARG(uap, addr); 256 257 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 258 SCARG(&ouap, addr) != 0 && 259 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 260 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 261 262 SCARG(&ouap, len) = SCARG(uap, len); 263 SCARG(&ouap, prot) = SCARG(uap, prot); 264 SCARG(&ouap, fd) = SCARG(uap, fd); 265 SCARG(&ouap, pos) = SCARG(uap, pos); 266 267 /* 268 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 269 */ 270 fdp = p->p_fd; 271 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 272 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 273 fp->f_type == DTYPE_VNODE && /*XXX*/ 274 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 275 iszerodev(vp->v_rdev)) { /*XXX*/ 276 SCARG(&ouap, flags) |= MAP_ANON; 277 SCARG(&ouap, fd) = -1; 278 } 279 280 return (sys_mmap(p, &ouap, retval)); 281 } 282 283 ultrix_sys_setsockopt(p, v, retval) 284 struct proc *p; 285 void *v; 286 register_t *retval; 287 { 288 register struct ultrix_sys_setsockopt_args *uap = v; 289 struct file *fp; 290 struct mbuf *m = NULL; 291 int error; 292 293 if (error = getsock(p->p_fd, SCARG(uap, s), &fp)) 294 return (error); 295 #define SO_DONTLINGER (~SO_LINGER) 296 if (SCARG(uap, name) == SO_DONTLINGER) { 297 m = m_get(M_WAIT, MT_SOOPTS); 298 if (m == NULL) 299 return (ENOBUFS); 300 mtod(m, struct linger *)->l_onoff = 0; 301 m->m_len = sizeof(struct linger); 302 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 303 SO_LINGER, m)); 304 } 305 if (SCARG(uap, valsize) > MLEN) 306 return (EINVAL); 307 if (SCARG(uap, val)) { 308 m = m_get(M_WAIT, MT_SOOPTS); 309 if (m == NULL) 310 return (ENOBUFS); 311 if (error = copyin(SCARG(uap, val), mtod(m, caddr_t), 312 (u_int)SCARG(uap, valsize))) { 313 (void) m_free(m); 314 return (error); 315 } 316 m->m_len = SCARG(uap, valsize); 317 } 318 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 319 SCARG(uap, name), m)); 320 } 321 322 struct ultrix_utsname { 323 char sysname[9]; 324 char nodename[9]; 325 char nodeext[65-9]; 326 char release[9]; 327 char version[9]; 328 char machine[9]; 329 }; 330 331 ultrix_sys_uname(p, v, retval) 332 struct proc *p; 333 void *v; 334 register_t *retval; 335 { 336 struct ultrix_sys_uname_args *uap = v; 337 struct ultrix_utsname sut; 338 extern char ostype[], machine[], osrelease[]; 339 340 bzero(&sut, sizeof(sut)); 341 342 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 343 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 344 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 345 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 346 bcopy("1", sut.version, sizeof(sut.version) - 1); 347 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 348 349 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 350 sizeof(struct ultrix_utsname)); 351 } 352 353 int 354 ultrix_sys_setpgrp(p, v, retval) 355 struct proc *p; 356 void *v; 357 register_t *retval; 358 { 359 struct ultrix_sys_setpgrp_args *uap = v; 360 361 /* 362 * difference to our setpgid call is to include backwards 363 * compatibility to pre-setsid() binaries. Do setsid() 364 * instead of setpgid() in those cases where the process 365 * tries to create a new session the old way. 366 */ 367 if (!SCARG(uap, pgid) && 368 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 369 return sys_setsid(p, uap, retval); 370 else 371 return sys_setpgid(p, uap, retval); 372 } 373 374 ultrix_sys_open(p, v, retval) 375 struct proc *p; 376 void *v; 377 register_t *retval; 378 { 379 struct ultrix_sys_open_args *uap = v; 380 int l, r; 381 int noctty; 382 int ret; 383 384 /* convert mode into NetBSD mode */ 385 l = SCARG(uap, mode); 386 noctty = l & 0x8000; 387 r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); 388 r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); 389 r |= ((l & 0x0080) ? O_SHLOCK : 0); 390 r |= ((l & 0x0100) ? O_EXLOCK : 0); 391 r |= ((l & 0x2000) ? O_FSYNC : 0); 392 393 SCARG(uap, flags) = r; 394 ret = sys_open(p, (struct sys_open_args *)uap, retval); 395 396 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { 397 struct filedesc *fdp = p->p_fd; 398 struct file *fp = fdp->fd_ofiles[*retval]; 399 400 /* ignore any error, just give it a try */ 401 if (fp->f_type == DTYPE_VNODE) 402 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); 403 } 404 return ret; 405 } 406 407 #if defined (NFSSERVER) 408 ultrix_sys_nfssvc(p, v, retval) 409 struct proc *p; 410 void *v; 411 register_t *retval; 412 { 413 struct ultrix_sys_nfssvc_args *uap = v; 414 struct emul *e = p->p_emul; 415 struct sys_nfssvc_args outuap; 416 struct sockaddr sa; 417 int error; 418 419 #if 0 420 bzero(&outuap, sizeof outuap); 421 SCARG(&outuap, fd) = SCARG(uap, fd); 422 SCARG(&outuap, mskval) = STACKGAPBASE; 423 SCARG(&outuap, msklen) = sizeof sa; 424 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 425 SCARG(&outuap, mtchlen) = sizeof sa; 426 427 bzero(&sa, sizeof sa); 428 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 429 return (error); 430 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 431 return (error); 432 433 return nfssvc(p, &outuap, retval); 434 #else 435 return (ENOSYS); 436 #endif 437 } 438 #endif /* NFSSERVER */ 439 440 struct ultrix_ustat { 441 daddr_t f_tfree; /* total free */ 442 ino_t f_tinode; /* total inodes free */ 443 char f_fname[6]; /* filsys name */ 444 char f_fpack[6]; /* filsys pack name */ 445 }; 446 447 ultrix_sys_ustat(p, v, retval) 448 struct proc *p; 449 void *v; 450 register_t *retval; 451 { 452 struct ultrix_sys_ustat_args *uap = v; 453 struct ultrix_ustat us; 454 int error; 455 456 bzero(&us, sizeof us); 457 458 /* 459 * XXX: should set f_tfree and f_tinode at least 460 * How do we translate dev -> fstat? (and then to ultrix_ustat) 461 */ 462 463 if (error = copyout(&us, SCARG(uap, buf), sizeof us)) 464 return (error); 465 return 0; 466 } 467 468 ultrix_sys_quotactl(p, v, retval) 469 struct proc *p; 470 void *v; 471 register_t *retval; 472 { 473 struct ultrix_sys_quotactl_args *uap = v; 474 475 return EINVAL; 476 } 477 478 ultrix_sys_vhangup(p, v, retval) 479 struct proc *p; 480 void *v; 481 register_t *retval; 482 { 483 484 return 0; 485 } 486 487 struct ultrix_statfs { 488 long f_type; /* type of info, zero for now */ 489 long f_bsize; /* fundamental file system block size */ 490 long f_blocks; /* total blocks in file system */ 491 long f_bfree; /* free blocks */ 492 long f_bavail; /* free blocks available to non-super-user */ 493 long f_files; /* total file nodes in file system */ 494 long f_ffree; /* free file nodes in fs */ 495 fsid_t f_fsid; /* file system id */ 496 long f_spare[7]; /* spare for later */ 497 }; 498 499 static 500 sunstatfs(sp, buf) 501 struct statfs *sp; 502 caddr_t buf; 503 { 504 struct ultrix_statfs ssfs; 505 506 bzero(&ssfs, sizeof ssfs); 507 ssfs.f_type = 0; 508 ssfs.f_bsize = sp->f_bsize; 509 ssfs.f_blocks = sp->f_blocks; 510 ssfs.f_bfree = sp->f_bfree; 511 ssfs.f_bavail = sp->f_bavail; 512 ssfs.f_files = sp->f_files; 513 ssfs.f_ffree = sp->f_ffree; 514 ssfs.f_fsid = sp->f_fsid; 515 return copyout((caddr_t)&ssfs, buf, sizeof ssfs); 516 } 517 518 ultrix_sys_statfs(p, v, retval) 519 struct proc *p; 520 void *v; 521 register_t *retval; 522 { 523 struct ultrix_sys_statfs_args *uap = v; 524 register struct mount *mp; 525 register struct statfs *sp; 526 int error; 527 struct nameidata nd; 528 529 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 530 if (error = namei(&nd)) 531 return (error); 532 mp = nd.ni_vp->v_mount; 533 sp = &mp->mnt_stat; 534 vrele(nd.ni_vp); 535 if (error = VFS_STATFS(mp, sp, p)) 536 return (error); 537 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 538 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 539 } 540 541 ultrix_sys_fstatfs(p, v, retval) 542 struct proc *p; 543 void *v; 544 register_t *retval; 545 { 546 struct ultrix_sys_fstatfs_args *uap = v; 547 struct file *fp; 548 struct mount *mp; 549 register struct statfs *sp; 550 int error; 551 552 if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) 553 return (error); 554 mp = ((struct vnode *)fp->f_data)->v_mount; 555 sp = &mp->mnt_stat; 556 if (error = VFS_STATFS(mp, sp, p)) 557 return (error); 558 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 559 return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); 560 } 561 562 ultrix_sys_exportfs(p, v, retval) 563 struct proc *p; 564 void *v; 565 register_t *retval; 566 { 567 struct ultrix_sys_exportfs_args *uap = v; 568 569 /* 570 * XXX: should perhaps translate into a mount(2) 571 * with MOUNT_EXPORT? 572 */ 573 return 0; 574 } 575 576 ultrix_sys_mknod(p, v, retval) 577 struct proc *p; 578 void *v; 579 register_t *retval; 580 { 581 struct ultrix_sys_mknod_args *uap = v; 582 583 if (S_ISFIFO(SCARG(uap, mode))) 584 return sys_mkfifo(p, uap, retval); 585 586 return sys_mknod(p, (struct sys_mknod_args *)uap, retval); 587 } 588 589 int 590 ultrix_sys_sigcleanup(p, v, retval) 591 struct proc *p; 592 void *v; 593 register_t *retval; 594 { 595 struct ultrix_sys_sigcleanup_args *uap = v; 596 597 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 598 } 599
Indexes created Tue Sep 23 02:09:52 GMT 2025