ultrix_misc.c revision 1.23
1 /* $NetBSD: ultrix_misc.c,v 1.23 1996/04/07 17:23:04 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1995 5 * Jonathan Stone (hereinafter referred to as the author) 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * Copyright (c) 1992, 1993 33 * The Regents of the University of California. All rights reserved. 34 * 35 * This software was developed by the Computer Systems Engineering group 36 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 37 * contributed to Berkeley. 38 * 39 * All advertising materials mentioning features or use of this software 40 * must display the following acknowledgement: 41 * This product includes software developed by the University of 42 * California, Lawrence Berkeley Laboratory. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 * 72 * 73 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 74 * 75 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 76 */ 77 78 /* 79 * SunOS compatibility module. 80 * 81 * SunOS system calls that are implemented differently in BSD are 82 * handled here. 83 */ 84 85 #include <sys/param.h> 86 #include <sys/systm.h> 87 #include <sys/namei.h> 88 #include <sys/dir.h> 89 #include <sys/proc.h> 90 #include <sys/file.h> 91 #include <sys/filedesc.h> 92 /*#include <sys/stat.h>*/ 93 /*#include <sys/ioctl.h>*/ 94 #include <sys/kernel.h> 95 #include <sys/exec.h> 96 #include <sys/malloc.h> 97 #include <sys/mbuf.h> 98 #include <sys/mman.h> 99 #include <sys/mount.h> 100 #include <sys/resource.h> 101 #include <sys/resourcevar.h> 102 #include <sys/signal.h> 103 #include <sys/signalvar.h> 104 #include <sys/socket.h> 105 #include <sys/vnode.h> 106 #include <sys/uio.h> 107 #include <sys/wait.h> 108 #include <sys/utsname.h> 109 #include <sys/unistd.h> 110 111 #include <sys/syscallargs.h> 112 113 #include <compat/ultrix/ultrix_syscall.h> 114 #include <compat/ultrix/ultrix_syscallargs.h> 115 116 #include <netinet/in.h> 117 118 #include <miscfs/specfs/specdev.h> 119 120 #include <nfs/rpcv2.h> 121 #include <nfs/nfsproto.h> 122 #include <nfs/nfs.h> 123 124 #include <vm/vm.h> 125 126 #include <sys/conf.h> /* iszerodev() */ 127 #include <sys/socketvar.h> /* sosetopt() */ 128 129 extern struct sysent ultrix_sysent[]; 130 extern char *ultrix_syscallnames[]; 131 132 /* 133 * Select the appropriate setregs callback for the target architecture. 134 */ 135 #ifdef mips 136 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 137 #endif /* mips */ 138 139 #ifdef vax 140 #define ULTRIX_EXEC_SETREGS setregs 141 #endif /* mips */ 142 143 144 extern void ULTRIX_EXEC_SETREGS __P((struct proc *, struct exec_package *, 145 u_long, register_t *)); 146 extern char sigcode[], esigcode[]; 147 148 struct emul emul_ultrix = { 149 "ultrix", 150 NULL, 151 sendsig, 152 ULTRIX_SYS_syscall, 153 ULTRIX_SYS_MAXSYSCALL, 154 ultrix_sysent, 155 ultrix_syscallnames, 156 0, 157 copyargs, 158 ULTRIX_EXEC_SETREGS, 159 sigcode, 160 esigcode, 161 }; 162 163 #define GSI_PROG_ENV 1 164 165 int 166 ultrix_sys_getsysinfo(p, v, retval) 167 struct proc *p; 168 void *v; 169 register_t *retval; 170 { 171 struct ultrix_sys_getsysinfo_args *uap = v; 172 static short progenv = 0; 173 174 switch (SCARG(uap, op)) { 175 /* operations implemented: */ 176 case GSI_PROG_ENV: 177 if (SCARG(uap, nbytes) < sizeof(short)) 178 return EINVAL; 179 *retval = 1; 180 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 181 default: 182 *retval = 0; /* info unavail */ 183 return 0; 184 } 185 } 186 187 int 188 ultrix_sys_setsysinfo(p, v, retval) 189 struct proc *p; 190 void *v; 191 register_t *retval; 192 { 193 194 #ifdef notyet 195 struct ultrix_sys_setsysinfo_args *uap = v; 196 #endif 197 198 *retval = 0; 199 return 0; 200 } 201 202 int 203 ultrix_sys_waitpid(p, v, retval) 204 struct proc *p; 205 void *v; 206 register_t *retval; 207 { 208 struct ultrix_sys_waitpid_args *uap = v; 209 struct sys_wait4_args ua; 210 211 SCARG(&ua, pid) = SCARG(uap, pid); 212 SCARG(&ua, status) = SCARG(uap, status); 213 SCARG(&ua, options) = SCARG(uap, options); 214 SCARG(&ua, rusage) = 0; 215 216 return (sys_wait4(p, &ua, retval)); 217 } 218 219 int 220 ultrix_sys_wait3(p, v, retval) 221 struct proc *p; 222 void *v; 223 register_t *retval; 224 { 225 struct ultrix_sys_wait3_args *uap = v; 226 struct sys_wait4_args ua; 227 228 SCARG(&ua, pid) = -1; 229 SCARG(&ua, status) = SCARG(uap, status); 230 SCARG(&ua, options) = SCARG(uap, options); 231 SCARG(&ua, rusage) = SCARG(uap, rusage); 232 233 return (sys_wait4(p, &ua, retval)); 234 } 235 236 /* 237 * Ultrix binaries pass in FD_MAX as the first arg to select(). 238 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 239 * can handle. 240 * Since we can't have more than the (native) FD_MAX descriptors open, 241 * limit nfds to at most FD_MAX. 242 */ 243 int 244 ultrix_sys_select(p, v, retval) 245 struct proc *p; 246 void *v; 247 register_t *retval; 248 { 249 struct sys_select_args *uap = v; 250 struct timeval atv; 251 int error; 252 253 /* Limit number of FDs selected on to the native maximum */ 254 255 if (SCARG(uap, nd) > FD_SETSIZE) 256 SCARG(uap, nd) = FD_SETSIZE; 257 258 /* Check for negative timeval */ 259 if (SCARG(uap, tv)) { 260 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 261 sizeof(atv)); 262 if (error) 263 goto done; 264 #ifdef DEBUG 265 /* Ultrix clients sometimes give negative timeouts? */ 266 if (atv.tv_sec < 0 || atv.tv_usec < 0) 267 printf("ultrix select( %ld, %ld): negative timeout\n", 268 atv.tv_sec, atv.tv_usec); 269 /*tvp = (timeval *)STACKGAPBASE;*/ 270 #endif 271 272 } 273 error = sys_select(p, (void*) uap, retval); 274 if (error == EINVAL) 275 printf("ultrix select: bad args?\n"); 276 277 done: 278 return error; 279 } 280 281 #if defined(NFSCLIENT) 282 int 283 async_daemon(p, v, retval) 284 struct proc *p; 285 void *v; 286 register_t *retval; 287 { 288 struct sys_nfssvc_args ouap; 289 290 SCARG(&ouap, flag) = NFSSVC_BIOD; 291 SCARG(&ouap, argp) = NULL; 292 293 return (sys_nfssvc(p, &ouap, retval)); 294 } 295 #endif /* NFSCLIENT */ 296 297 298 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 299 300 int 301 ultrix_sys_mmap(p, v, retval) 302 register struct proc *p; 303 void *v; 304 register_t *retval; 305 { 306 register struct ultrix_sys_mmap_args *uap = v; 307 struct sys_mmap_args ouap; 308 register struct filedesc *fdp; 309 register struct file *fp; 310 register struct vnode *vp; 311 312 /* 313 * Verify the arguments. 314 */ 315 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 316 return (EINVAL); /* XXX still needed? */ 317 318 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 319 return (EINVAL); 320 321 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 322 SCARG(&ouap, addr) = SCARG(uap, addr); 323 324 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 325 SCARG(&ouap, addr) != 0 && 326 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 327 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 328 329 SCARG(&ouap, len) = SCARG(uap, len); 330 SCARG(&ouap, prot) = SCARG(uap, prot); 331 SCARG(&ouap, fd) = SCARG(uap, fd); 332 SCARG(&ouap, pos) = SCARG(uap, pos); 333 334 /* 335 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 336 */ 337 fdp = p->p_fd; 338 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 339 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 340 fp->f_type == DTYPE_VNODE && /*XXX*/ 341 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 342 iszerodev(vp->v_rdev)) { /*XXX*/ 343 SCARG(&ouap, flags) |= MAP_ANON; 344 SCARG(&ouap, fd) = -1; 345 } 346 347 return (sys_mmap(p, &ouap, retval)); 348 } 349 350 int 351 ultrix_sys_setsockopt(p, v, retval) 352 struct proc *p; 353 void *v; 354 register_t *retval; 355 { 356 register struct ultrix_sys_setsockopt_args *uap = v; 357 struct file *fp; 358 struct mbuf *m = NULL; 359 int error; 360 361 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 362 return (error); 363 #define SO_DONTLINGER (~SO_LINGER) 364 if (SCARG(uap, name) == SO_DONTLINGER) { 365 m = m_get(M_WAIT, MT_SOOPTS); 366 if (m == NULL) 367 return (ENOBUFS); 368 mtod(m, struct linger *)->l_onoff = 0; 369 m->m_len = sizeof(struct linger); 370 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 371 SO_LINGER, m)); 372 } 373 if (SCARG(uap, valsize) > MLEN) 374 return (EINVAL); 375 if (SCARG(uap, val)) { 376 m = m_get(M_WAIT, MT_SOOPTS); 377 if (m == NULL) 378 return (ENOBUFS); 379 if ((error = copyin(SCARG(uap, val), mtod(m, caddr_t), 380 (u_int)SCARG(uap, valsize))) != 0) { 381 (void) m_free(m); 382 return (error); 383 } 384 m->m_len = SCARG(uap, valsize); 385 } 386 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 387 SCARG(uap, name), m)); 388 } 389 390 struct ultrix_utsname { 391 char sysname[9]; 392 char nodename[9]; 393 char nodeext[65-9]; 394 char release[9]; 395 char version[9]; 396 char machine[9]; 397 }; 398 399 int 400 ultrix_sys_uname(p, v, retval) 401 struct proc *p; 402 void *v; 403 register_t *retval; 404 { 405 struct ultrix_sys_uname_args *uap = v; 406 struct ultrix_utsname sut; 407 extern char ostype[], machine[], osrelease[]; 408 409 bzero(&sut, sizeof(sut)); 410 411 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 412 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 413 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 414 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 415 bcopy("1", sut.version, sizeof(sut.version) - 1); 416 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 417 418 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 419 sizeof(struct ultrix_utsname)); 420 } 421 422 int 423 ultrix_sys_setpgrp(p, v, retval) 424 struct proc *p; 425 void *v; 426 register_t *retval; 427 { 428 struct ultrix_sys_setpgrp_args *uap = v; 429 430 /* 431 * difference to our setpgid call is to include backwards 432 * compatibility to pre-setsid() binaries. Do setsid() 433 * instead of setpgid() in those cases where the process 434 * tries to create a new session the old way. 435 */ 436 if (!SCARG(uap, pgid) && 437 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 438 return sys_setsid(p, uap, retval); 439 else 440 return sys_setpgid(p, uap, retval); 441 } 442 443 #if defined (NFSSERVER) 444 int 445 ultrix_sys_nfssvc(p, v, retval) 446 struct proc *p; 447 void *v; 448 register_t *retval; 449 { 450 451 #if 0 /* XXX */ 452 struct ultrix_sys_nfssvc_args *uap = v; 453 struct emul *e = p->p_emul; 454 struct sys_nfssvc_args outuap; 455 struct sockaddr sa; 456 int error; 457 458 bzero(&outuap, sizeof outuap); 459 SCARG(&outuap, fd) = SCARG(uap, fd); 460 SCARG(&outuap, mskval) = STACKGAPBASE; 461 SCARG(&outuap, msklen) = sizeof sa; 462 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 463 SCARG(&outuap, mtchlen) = sizeof sa; 464 465 bzero(&sa, sizeof sa); 466 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 467 return (error); 468 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 469 return (error); 470 471 return nfssvc(p, &outuap, retval); 472 #else 473 return (ENOSYS); 474 #endif 475 } 476 #endif /* NFSSERVER */ 477 478 struct ultrix_ustat { 479 daddr_t f_tfree; /* total free */ 480 ino_t f_tinode; /* total inodes free */ 481 char f_fname[6]; /* filsys name */ 482 char f_fpack[6]; /* filsys pack name */ 483 }; 484 485 int 486 ultrix_sys_ustat(p, v, retval) 487 struct proc *p; 488 void *v; 489 register_t *retval; 490 { 491 struct ultrix_sys_ustat_args *uap = v; 492 struct ultrix_ustat us; 493 int error; 494 495 bzero(&us, sizeof us); 496 497 /* 498 * XXX: should set f_tfree and f_tinode at least 499 * How do we translate dev -> fstat? (and then to ultrix_ustat) 500 */ 501 502 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 503 return (error); 504 return 0; 505 } 506 507 int 508 ultrix_sys_quotactl(p, v, retval) 509 struct proc *p; 510 void *v; 511 register_t *retval; 512 { 513 514 #ifdef notyet 515 struct ultrix_sys_quotactl_args *uap = v; 516 #endif 517 518 return EINVAL; 519 } 520 521 int 522 ultrix_sys_vhangup(p, v, retval) 523 struct proc *p; 524 void *v; 525 register_t *retval; 526 { 527 528 return 0; 529 } 530 531 int 532 ultrix_sys_exportfs(p, v, retval) 533 struct proc *p; 534 void *v; 535 register_t *retval; 536 { 537 #ifdef notyet 538 struct ultrix_sys_exportfs_args *uap = v; 539 #endif 540 541 /* 542 * XXX: should perhaps translate into a mount(2) 543 * with MOUNT_EXPORT? 544 */ 545 return 0; 546 } 547 548 int 549 ultrix_sys_sigpending(p, v, retval) 550 struct proc *p; 551 void *v; 552 register_t *retval; 553 { 554 struct ultrix_sys_sigpending_args *uap = v; 555 int mask = p->p_siglist & p->p_sigmask; 556 557 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 558 } 559 560 int 561 ultrix_sys_sigcleanup(p, v, retval) 562 struct proc *p; 563 void *v; 564 register_t *retval; 565 { 566 struct ultrix_sys_sigcleanup_args *uap = v; 567 568 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 569 } 570 571 int 572 ultrix_sys_sigreturn(p, v, retval) 573 struct proc *p; 574 void *v; 575 register_t *retval; 576 { 577 struct ultrix_sys_sigcleanup_args *uap = v; 578 579 #ifdef DEBUG 580 printf("ultrix sigreturn\n"); 581 #endif 582 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 583 } 584
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