ultrix_misc.c revision 1.22
1 /* $NetBSD: ultrix_misc.c,v 1.22 1996/04/07 16:38:03 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/filedesc.h> 64 /*#include <sys/stat.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 83 #include <sys/syscallargs.h> 84 85 #include <compat/ultrix/ultrix_syscall.h> 86 #include <compat/ultrix/ultrix_syscallargs.h> 87 88 #include <netinet/in.h> 89 90 #include <miscfs/specfs/specdev.h> 91 92 #include <nfs/rpcv2.h> 93 #include <nfs/nfsproto.h> 94 #include <nfs/nfs.h> 95 96 #include <vm/vm.h> 97 98 extern struct sysent ultrix_sysent[]; 99 extern char *ultrix_syscallnames[]; 100 101 /* 102 * Select the appropriate setregs callback for the target architecture. 103 */ 104 #ifdef mips 105 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 106 #endif /* mips */ 107 108 #ifdef vax 109 #define ULTRIX_EXEC_SETREGS setregs 110 #endif /* mips */ 111 112 113 extern void ULTRIX_EXEC_SETREGS __P((struct proc *, struct exec_package *, 114 u_long, register_t *)); 115 extern char sigcode[], esigcode[]; 116 117 struct emul emul_ultrix = { 118 "ultrix", 119 NULL, 120 sendsig, 121 ULTRIX_SYS_syscall, 122 ULTRIX_SYS_MAXSYSCALL, 123 ultrix_sysent, 124 ultrix_syscallnames, 125 0, 126 copyargs, 127 ULTRIX_EXEC_SETREGS, 128 sigcode, 129 esigcode, 130 }; 131 132 #define GSI_PROG_ENV 1 133 134 ultrix_sys_getsysinfo(p, v, retval) 135 struct proc *p; 136 void *v; 137 register_t *retval; 138 { 139 struct ultrix_sys_getsysinfo_args *uap = v; 140 static short progenv = 0; 141 142 switch (SCARG(uap, op)) { 143 /* operations implemented: */ 144 case GSI_PROG_ENV: 145 if (SCARG(uap, nbytes) < sizeof(short)) 146 return EINVAL; 147 *retval = 1; 148 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 149 default: 150 *retval = 0; /* info unavail */ 151 return 0; 152 } 153 } 154 155 ultrix_sys_setsysinfo(p, v, retval) 156 struct proc *p; 157 void *v; 158 register_t *retval; 159 { 160 struct ultrix_sys_setsysinfo_args *uap = v; 161 *retval = 0; 162 return 0; 163 } 164 165 ultrix_sys_waitpid(p, v, retval) 166 struct proc *p; 167 void *v; 168 register_t *retval; 169 { 170 struct ultrix_sys_waitpid_args *uap = v; 171 struct sys_wait4_args ua; 172 173 SCARG(&ua, pid) = SCARG(uap, pid); 174 SCARG(&ua, status) = SCARG(uap, status); 175 SCARG(&ua, options) = SCARG(uap, options); 176 SCARG(&ua, rusage) = 0; 177 178 return (sys_wait4(p, &ua, retval)); 179 } 180 181 ultrix_sys_wait3(p, v, retval) 182 struct proc *p; 183 void *v; 184 register_t *retval; 185 { 186 struct ultrix_sys_wait3_args *uap = v; 187 struct sys_wait4_args ua; 188 189 SCARG(&ua, pid) = -1; 190 SCARG(&ua, status) = SCARG(uap, status); 191 SCARG(&ua, options) = SCARG(uap, options); 192 SCARG(&ua, rusage) = SCARG(uap, rusage); 193 194 return (sys_wait4(p, &ua, retval)); 195 } 196 197 /* 198 * Ultrix binaries pass in FD_MAX as the first arg to select(). 199 * On Ultrix, that is 4096, which is more than the NetBSD sys_select() 200 * can handle. 201 */ 202 ultrix_sys_select(p, v, retval) 203 struct proc *p; 204 void *v; 205 register_t *retval; 206 { 207 struct sys_select_args *uap = v; 208 struct timeval atv, *tvp; 209 int error; 210 211 /* Limit number of FDs selected on to the native maximum */ 212 213 if (SCARG(uap, nd) > FD_SETSIZE) 214 SCARG(uap, nd) = FD_SETSIZE; 215 216 /* Check for negative timeval */ 217 if (SCARG(uap, tv)) { 218 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 219 sizeof(atv)); 220 if (error) 221 goto done; 222 #ifdef DEBUG 223 /* Ultrix clients sometimes give negative timeouts? */ 224 if (atv.tv_sec < 0 || atv.tv_usec < 0) 225 printf("ultrix select( %d, %d)\n", 226 atv.tv_sec, atv.tv_usec); 227 /*tvp = (timeval *)STACKGAPBASE;*/ 228 #endif 229 230 } 231 error = sys_select(p, (void*) uap, retval); 232 if (error == EINVAL) 233 printf("ultrix select: bad args?\n"); 234 235 done: 236 return error; 237 } 238 239 #if defined(NFSCLIENT) 240 async_daemon(p, v, retval) 241 struct proc *p; 242 void *v; 243 register_t *retval; 244 { 245 struct sys_nfssvc_args ouap; 246 247 SCARG(&ouap, flag) = NFSSVC_BIOD; 248 SCARG(&ouap, argp) = NULL; 249 250 return (sys_nfssvc(p, &ouap, retval)); 251 } 252 #endif /* NFSCLIENT */ 253 254 255 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 256 257 int 258 ultrix_sys_mmap(p, v, retval) 259 register struct proc *p; 260 void *v; 261 register_t *retval; 262 { 263 register struct ultrix_sys_mmap_args *uap = v; 264 struct sys_mmap_args ouap; 265 register struct filedesc *fdp; 266 register struct file *fp; 267 register struct vnode *vp; 268 269 /* 270 * Verify the arguments. 271 */ 272 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 273 return (EINVAL); /* XXX still needed? */ 274 275 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 276 return (EINVAL); 277 278 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 279 SCARG(&ouap, addr) = SCARG(uap, addr); 280 281 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 282 SCARG(&ouap, addr) != 0 && 283 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 284 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 285 286 SCARG(&ouap, len) = SCARG(uap, len); 287 SCARG(&ouap, prot) = SCARG(uap, prot); 288 SCARG(&ouap, fd) = SCARG(uap, fd); 289 SCARG(&ouap, pos) = SCARG(uap, pos); 290 291 /* 292 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 293 */ 294 fdp = p->p_fd; 295 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 296 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 297 fp->f_type == DTYPE_VNODE && /*XXX*/ 298 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 299 iszerodev(vp->v_rdev)) { /*XXX*/ 300 SCARG(&ouap, flags) |= MAP_ANON; 301 SCARG(&ouap, fd) = -1; 302 } 303 304 return (sys_mmap(p, &ouap, retval)); 305 } 306 307 ultrix_sys_setsockopt(p, v, retval) 308 struct proc *p; 309 void *v; 310 register_t *retval; 311 { 312 register struct ultrix_sys_setsockopt_args *uap = v; 313 struct file *fp; 314 struct mbuf *m = NULL; 315 int error; 316 317 if (error = getsock(p->p_fd, SCARG(uap, s), &fp)) 318 return (error); 319 #define SO_DONTLINGER (~SO_LINGER) 320 if (SCARG(uap, name) == SO_DONTLINGER) { 321 m = m_get(M_WAIT, MT_SOOPTS); 322 if (m == NULL) 323 return (ENOBUFS); 324 mtod(m, struct linger *)->l_onoff = 0; 325 m->m_len = sizeof(struct linger); 326 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 327 SO_LINGER, m)); 328 } 329 if (SCARG(uap, valsize) > MLEN) 330 return (EINVAL); 331 if (SCARG(uap, val)) { 332 m = m_get(M_WAIT, MT_SOOPTS); 333 if (m == NULL) 334 return (ENOBUFS); 335 if (error = copyin(SCARG(uap, val), mtod(m, caddr_t), 336 (u_int)SCARG(uap, valsize))) { 337 (void) m_free(m); 338 return (error); 339 } 340 m->m_len = SCARG(uap, valsize); 341 } 342 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 343 SCARG(uap, name), m)); 344 } 345 346 struct ultrix_utsname { 347 char sysname[9]; 348 char nodename[9]; 349 char nodeext[65-9]; 350 char release[9]; 351 char version[9]; 352 char machine[9]; 353 }; 354 355 int 356 ultrix_sys_uname(p, v, retval) 357 struct proc *p; 358 void *v; 359 register_t *retval; 360 { 361 struct ultrix_sys_uname_args *uap = v; 362 struct ultrix_utsname sut; 363 extern char ostype[], machine[], osrelease[]; 364 365 bzero(&sut, sizeof(sut)); 366 367 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 368 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 369 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 370 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 371 bcopy("1", sut.version, sizeof(sut.version) - 1); 372 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 373 374 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 375 sizeof(struct ultrix_utsname)); 376 } 377 378 int 379 ultrix_sys_setpgrp(p, v, retval) 380 struct proc *p; 381 void *v; 382 register_t *retval; 383 { 384 struct ultrix_sys_setpgrp_args *uap = v; 385 386 /* 387 * difference to our setpgid call is to include backwards 388 * compatibility to pre-setsid() binaries. Do setsid() 389 * instead of setpgid() in those cases where the process 390 * tries to create a new session the old way. 391 */ 392 if (!SCARG(uap, pgid) && 393 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 394 return sys_setsid(p, uap, retval); 395 else 396 return sys_setpgid(p, uap, retval); 397 } 398 399 #if defined (NFSSERVER) 400 int 401 ultrix_sys_nfssvc(p, v, retval) 402 struct proc *p; 403 void *v; 404 register_t *retval; 405 { 406 struct ultrix_sys_nfssvc_args *uap = v; 407 struct emul *e = p->p_emul; 408 struct sys_nfssvc_args outuap; 409 struct sockaddr sa; 410 int error; 411 412 #if 0 413 bzero(&outuap, sizeof outuap); 414 SCARG(&outuap, fd) = SCARG(uap, fd); 415 SCARG(&outuap, mskval) = STACKGAPBASE; 416 SCARG(&outuap, msklen) = sizeof sa; 417 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 418 SCARG(&outuap, mtchlen) = sizeof sa; 419 420 bzero(&sa, sizeof sa); 421 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 422 return (error); 423 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 424 return (error); 425 426 return nfssvc(p, &outuap, retval); 427 #else 428 return (ENOSYS); 429 #endif 430 } 431 #endif /* NFSSERVER */ 432 433 struct ultrix_ustat { 434 daddr_t f_tfree; /* total free */ 435 ino_t f_tinode; /* total inodes free */ 436 char f_fname[6]; /* filsys name */ 437 char f_fpack[6]; /* filsys pack name */ 438 }; 439 440 int 441 ultrix_sys_ustat(p, v, retval) 442 struct proc *p; 443 void *v; 444 register_t *retval; 445 { 446 struct ultrix_sys_ustat_args *uap = v; 447 struct ultrix_ustat us; 448 int error; 449 450 bzero(&us, sizeof us); 451 452 /* 453 * XXX: should set f_tfree and f_tinode at least 454 * How do we translate dev -> fstat? (and then to ultrix_ustat) 455 */ 456 457 if (error = copyout(&us, SCARG(uap, buf), sizeof us)) 458 return (error); 459 return 0; 460 } 461 462 int 463 ultrix_sys_quotactl(p, v, retval) 464 struct proc *p; 465 void *v; 466 register_t *retval; 467 { 468 struct ultrix_sys_quotactl_args *uap = v; 469 470 return EINVAL; 471 } 472 473 int 474 ultrix_sys_vhangup(p, v, retval) 475 struct proc *p; 476 void *v; 477 register_t *retval; 478 { 479 480 return 0; 481 } 482 483 int 484 ultrix_sys_exportfs(p, v, retval) 485 struct proc *p; 486 void *v; 487 register_t *retval; 488 { 489 struct ultrix_sys_exportfs_args *uap = v; 490 491 /* 492 * XXX: should perhaps translate into a mount(2) 493 * with MOUNT_EXPORT? 494 */ 495 return 0; 496 } 497 498 int 499 ultrix_sys_sigpending(p, v, retval) 500 struct proc *p; 501 void *v; 502 register_t *retval; 503 { 504 struct ultrix_sys_sigpending_args *uap = v; 505 int mask = p->p_siglist & p->p_sigmask; 506 507 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 508 } 509 510 int 511 ultrix_sys_sigcleanup(p, v, retval) 512 struct proc *p; 513 void *v; 514 register_t *retval; 515 { 516 struct ultrix_sys_sigcleanup_args *uap = v; 517 518 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 519 } 520 521 int 522 ultrix_sys_sigreturn(p, v, retval) 523 struct proc *p; 524 void *v; 525 register_t *retval; 526 { 527 struct ultrix_sys_sigcleanup_args *uap = v; 528 529 #ifdef DEBUG 530 printf("ultrix sigreturn\n"); 531 #endif 532 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 533 } 534
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