ultrix_misc.c revision 1.20
1 /* $NetBSD: ultrix_misc.c,v 1.20 1996/01/07 13:38:51 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/nfsv2.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 extern void cpu_exec_ecoff_setregs __P((struct proc *, struct exec_package *, 101 u_long, register_t *)); 102 extern char sigcode[], esigcode[]; 103 104 struct emul emul_ultrix = { 105 "ultrix", 106 NULL, 107 sendsig, 108 ULTRIX_SYS_syscall, 109 ULTRIX_SYS_MAXSYSCALL, 110 ultrix_sysent, 111 ultrix_syscallnames, 112 0, 113 copyargs, 114 cpu_exec_ecoff_setregs, 115 sigcode, 116 esigcode, 117 }; 118 119 #define GSI_PROG_ENV 1 120 121 ultrix_sys_getsysinfo(p, v, retval) 122 struct proc *p; 123 void *v; 124 register_t *retval; 125 { 126 struct ultrix_sys_getsysinfo_args *uap = v; 127 static short progenv = 0; 128 129 switch (SCARG(uap, op)) { 130 /* operations implemented: */ 131 case GSI_PROG_ENV: 132 if (SCARG(uap, nbytes) < sizeof(short)) 133 return EINVAL; 134 *retval = 1; 135 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 136 default: 137 *retval = 0; /* info unavail */ 138 return 0; 139 } 140 } 141 142 ultrix_sys_setsysinfo(p, v, retval) 143 struct proc *p; 144 void *v; 145 register_t *retval; 146 { 147 struct ultrix_sys_setsysinfo_args *uap = v; 148 *retval = 0; 149 return 0; 150 } 151 152 ultrix_sys_waitpid(p, v, retval) 153 struct proc *p; 154 void *v; 155 register_t *retval; 156 { 157 struct ultrix_sys_waitpid_args *uap = v; 158 struct sys_wait4_args ua; 159 160 SCARG(&ua, pid) = SCARG(uap, pid); 161 SCARG(&ua, status) = SCARG(uap, status); 162 SCARG(&ua, options) = SCARG(uap, options); 163 SCARG(&ua, rusage) = 0; 164 165 return (sys_wait4(p, &ua, retval)); 166 } 167 168 ultrix_sys_wait3(p, v, retval) 169 struct proc *p; 170 void *v; 171 register_t *retval; 172 { 173 struct ultrix_sys_wait3_args *uap = v; 174 struct sys_wait4_args ua; 175 176 SCARG(&ua, pid) = -1; 177 SCARG(&ua, status) = SCARG(uap, status); 178 SCARG(&ua, options) = SCARG(uap, options); 179 SCARG(&ua, rusage) = SCARG(uap, rusage); 180 181 return (sys_wait4(p, &ua, retval)); 182 } 183 184 /* 185 * Ultrix binaries pass in FD_MAX as the first arg to select(). 186 * On Ultrix, that is 4096, which is more than the NetBSD sys_select() 187 * can handle. 188 */ 189 ultrix_sys_select(p, v, retval) 190 struct proc *p; 191 void *v; 192 register_t *retval; 193 { 194 struct sys_select_args *uap = v; 195 struct timeval atv, *tvp; 196 int error; 197 198 /* Limit number of FDs selected on to the native maximum */ 199 200 if (SCARG(uap, nd) > FD_SETSIZE) 201 SCARG(uap, nd) = FD_SETSIZE; 202 203 /* Check for negative timeval */ 204 if (SCARG(uap, tv)) { 205 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 206 sizeof(atv)); 207 if (error) 208 goto done; 209 #ifdef DEBUG 210 /* Ultrix clients sometimes give negative timeouts? */ 211 if (atv.tv_sec < 0 || atv.tv_usec < 0) 212 printf("ultrix select( %d, %d)\n", 213 atv.tv_sec, atv.tv_usec); 214 /*tvp = (timeval *)STACKGAPBASE;*/ 215 #endif 216 217 } 218 error = sys_select(p, (void*) uap, retval); 219 if (error == EINVAL) 220 printf("ultrix select: bad args?\n"); 221 222 done: 223 return error; 224 } 225 226 #if defined(NFSCLIENT) 227 async_daemon(p, v, retval) 228 struct proc *p; 229 void *v; 230 register_t *retval; 231 { 232 struct sys_nfssvc_args ouap; 233 234 SCARG(&ouap, flag) = NFSSVC_BIOD; 235 SCARG(&ouap, argp) = NULL; 236 237 return (sys_nfssvc(p, &ouap, retval)); 238 } 239 #endif /* NFSCLIENT */ 240 241 #if 0 242 /* XXX: Temporary until sys/dir.h, include/dirent.h and sys/dirent.h are fixed */ 243 struct dirent { 244 u_long d_fileno; /* file number of entry */ 245 u_short d_reclen; /* length of this record */ 246 u_short d_namlen; /* length of string in d_name */ 247 char d_name[255 + 1]; /* name must be no longer than this */ 248 }; 249 #endif 250 251 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 252 253 int 254 ultrix_sys_mmap(p, v, retval) 255 register struct proc *p; 256 void *v; 257 register_t *retval; 258 { 259 register struct ultrix_sys_mmap_args *uap = v; 260 struct sys_mmap_args ouap; 261 register struct filedesc *fdp; 262 register struct file *fp; 263 register struct vnode *vp; 264 265 /* 266 * Verify the arguments. 267 */ 268 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 269 return (EINVAL); /* XXX still needed? */ 270 271 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 272 return (EINVAL); 273 274 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 275 SCARG(&ouap, addr) = SCARG(uap, addr); 276 277 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 278 SCARG(&ouap, addr) != 0 && 279 SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 280 SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 281 282 SCARG(&ouap, len) = SCARG(uap, len); 283 SCARG(&ouap, prot) = SCARG(uap, prot); 284 SCARG(&ouap, fd) = SCARG(uap, fd); 285 SCARG(&ouap, pos) = SCARG(uap, pos); 286 287 /* 288 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 289 */ 290 fdp = p->p_fd; 291 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 292 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 293 fp->f_type == DTYPE_VNODE && /*XXX*/ 294 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 295 iszerodev(vp->v_rdev)) { /*XXX*/ 296 SCARG(&ouap, flags) |= MAP_ANON; 297 SCARG(&ouap, fd) = -1; 298 } 299 300 return (sys_mmap(p, &ouap, retval)); 301 } 302 303 ultrix_sys_setsockopt(p, v, retval) 304 struct proc *p; 305 void *v; 306 register_t *retval; 307 { 308 register struct ultrix_sys_setsockopt_args *uap = v; 309 struct file *fp; 310 struct mbuf *m = NULL; 311 int error; 312 313 if (error = getsock(p->p_fd, SCARG(uap, s), &fp)) 314 return (error); 315 #define SO_DONTLINGER (~SO_LINGER) 316 if (SCARG(uap, name) == SO_DONTLINGER) { 317 m = m_get(M_WAIT, MT_SOOPTS); 318 if (m == NULL) 319 return (ENOBUFS); 320 mtod(m, struct linger *)->l_onoff = 0; 321 m->m_len = sizeof(struct linger); 322 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 323 SO_LINGER, m)); 324 } 325 if (SCARG(uap, valsize) > MLEN) 326 return (EINVAL); 327 if (SCARG(uap, val)) { 328 m = m_get(M_WAIT, MT_SOOPTS); 329 if (m == NULL) 330 return (ENOBUFS); 331 if (error = copyin(SCARG(uap, val), mtod(m, caddr_t), 332 (u_int)SCARG(uap, valsize))) { 333 (void) m_free(m); 334 return (error); 335 } 336 m->m_len = SCARG(uap, valsize); 337 } 338 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 339 SCARG(uap, name), m)); 340 } 341 342 struct ultrix_utsname { 343 char sysname[9]; 344 char nodename[9]; 345 char nodeext[65-9]; 346 char release[9]; 347 char version[9]; 348 char machine[9]; 349 }; 350 351 int 352 ultrix_sys_uname(p, v, retval) 353 struct proc *p; 354 void *v; 355 register_t *retval; 356 { 357 struct ultrix_sys_uname_args *uap = v; 358 struct ultrix_utsname sut; 359 extern char ostype[], machine[], osrelease[]; 360 361 bzero(&sut, sizeof(sut)); 362 363 bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); 364 bcopy(hostname, sut.nodename, sizeof(sut.nodename)); 365 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 366 bcopy(osrelease, sut.release, sizeof(sut.release) - 1); 367 bcopy("1", sut.version, sizeof(sut.version) - 1); 368 bcopy(machine, sut.machine, sizeof(sut.machine) - 1); 369 370 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 371 sizeof(struct ultrix_utsname)); 372 } 373 374 int 375 ultrix_sys_setpgrp(p, v, retval) 376 struct proc *p; 377 void *v; 378 register_t *retval; 379 { 380 struct ultrix_sys_setpgrp_args *uap = v; 381 382 /* 383 * difference to our setpgid call is to include backwards 384 * compatibility to pre-setsid() binaries. Do setsid() 385 * instead of setpgid() in those cases where the process 386 * tries to create a new session the old way. 387 */ 388 if (!SCARG(uap, pgid) && 389 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 390 return sys_setsid(p, uap, retval); 391 else 392 return sys_setpgid(p, uap, retval); 393 } 394 395 #if defined (NFSSERVER) 396 int 397 ultrix_sys_nfssvc(p, v, retval) 398 struct proc *p; 399 void *v; 400 register_t *retval; 401 { 402 struct ultrix_sys_nfssvc_args *uap = v; 403 struct emul *e = p->p_emul; 404 struct sys_nfssvc_args outuap; 405 struct sockaddr sa; 406 int error; 407 408 #if 0 409 bzero(&outuap, sizeof outuap); 410 SCARG(&outuap, fd) = SCARG(uap, fd); 411 SCARG(&outuap, mskval) = STACKGAPBASE; 412 SCARG(&outuap, msklen) = sizeof sa; 413 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 414 SCARG(&outuap, mtchlen) = sizeof sa; 415 416 bzero(&sa, sizeof sa); 417 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 418 return (error); 419 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 420 return (error); 421 422 return nfssvc(p, &outuap, retval); 423 #else 424 return (ENOSYS); 425 #endif 426 } 427 #endif /* NFSSERVER */ 428 429 struct ultrix_ustat { 430 daddr_t f_tfree; /* total free */ 431 ino_t f_tinode; /* total inodes free */ 432 char f_fname[6]; /* filsys name */ 433 char f_fpack[6]; /* filsys pack name */ 434 }; 435 436 int 437 ultrix_sys_ustat(p, v, retval) 438 struct proc *p; 439 void *v; 440 register_t *retval; 441 { 442 struct ultrix_sys_ustat_args *uap = v; 443 struct ultrix_ustat us; 444 int error; 445 446 bzero(&us, sizeof us); 447 448 /* 449 * XXX: should set f_tfree and f_tinode at least 450 * How do we translate dev -> fstat? (and then to ultrix_ustat) 451 */ 452 453 if (error = copyout(&us, SCARG(uap, buf), sizeof us)) 454 return (error); 455 return 0; 456 } 457 458 int 459 ultrix_sys_quotactl(p, v, retval) 460 struct proc *p; 461 void *v; 462 register_t *retval; 463 { 464 struct ultrix_sys_quotactl_args *uap = v; 465 466 return EINVAL; 467 } 468 469 int 470 ultrix_sys_vhangup(p, v, retval) 471 struct proc *p; 472 void *v; 473 register_t *retval; 474 { 475 476 return 0; 477 } 478 479 int 480 ultrix_sys_exportfs(p, v, retval) 481 struct proc *p; 482 void *v; 483 register_t *retval; 484 { 485 struct ultrix_sys_exportfs_args *uap = v; 486 487 /* 488 * XXX: should perhaps translate into a mount(2) 489 * with MOUNT_EXPORT? 490 */ 491 return 0; 492 } 493 494 int 495 ultrix_sys_sigpending(p, v, retval) 496 struct proc *p; 497 void *v; 498 register_t *retval; 499 { 500 struct ultrix_sys_sigpending_args *uap = v; 501 int mask = p->p_siglist & p->p_sigmask; 502 503 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 504 } 505 506 int 507 ultrix_sys_sigcleanup(p, v, retval) 508 struct proc *p; 509 void *v; 510 register_t *retval; 511 { 512 struct ultrix_sys_sigcleanup_args *uap = v; 513 514 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 515 } 516 517 int 518 ultrix_sys_sigreturn(p, v, retval) 519 struct proc *p; 520 void *v; 521 register_t *retval; 522 { 523 struct ultrix_sys_sigcleanup_args *uap = v; 524 525 #ifdef DEBUG 526 printf("ultrix sigreturn\n"); 527 #endif 528 return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval); 529 } 530
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