freebsd32_misc.c revision 192895
113044Sasami/*- 2116111Sphk * Copyright (c) 2002 Doug Rabson 313044Sasami * All rights reserved. 413044Sasami * 513044Sasami * Redistribution and use in source and binary forms, with or without 613044Sasami * modification, are permitted provided that the following conditions 713044Sasami * are met: 813044Sasami * 1. Redistributions of source code must retain the above copyright 913044Sasami * notice, this list of conditions and the following disclaimer. 1013044Sasami * 2. Redistributions in binary form must reproduce the above copyright 1113044Sasami * notice, this list of conditions and the following disclaimer in the 1213044Sasami * documentation and/or other materials provided with the distribution. 1313044Sasami * 1413044Sasami * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1513044Sasami * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1613044Sasami * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1713044Sasami * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1813044Sasami * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1913044Sasami * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2013044Sasami * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2113044Sasami * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2213044Sasami * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2313044Sasami * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2413044Sasami * SUCH DAMAGE. 2513044Sasami */ 2613044Sasami 2713044Sasami#include <sys/cdefs.h> 2813044Sasami__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 192895 2009-05-27 14:11:23Z jamie $"); 2913044Sasami 3013044Sasami#include "opt_compat.h" 3113044Sasami#include "opt_inet.h" 3213044Sasami#include "opt_inet6.h" 3313044Sasami 34114589Sobrien#include <sys/param.h> 35114589Sobrien#include <sys/bus.h> 3636628Scharnier#include <sys/clock.h> 3713044Sasami#include <sys/exec.h> 3848568Sbillf#include <sys/fcntl.h> 3945329Speter#include <sys/filedesc.h> 4013044Sasami#include <sys/imgact.h> 4113044Sasami#include <sys/jail.h> 4213044Sasami#include <sys/kernel.h> 4313044Sasami#include <sys/limits.h> 4469793Sobrien#include <sys/lock.h> 4513044Sasami#include <sys/malloc.h> 4613044Sasami#include <sys/file.h> /* Must come after sys/malloc.h */ 4713044Sasami#include <sys/mbuf.h> 4813044Sasami#include <sys/mman.h> 49115730Sphk#include <sys/module.h> 5013044Sasami#include <sys/mount.h> 51116111Sphk#include <sys/mutex.h> 52116111Sphk#include <sys/namei.h> 53157740Scracauer#include <sys/proc.h> 54157740Scracauer#include <sys/reboot.h> 5513044Sasami#include <sys/resource.h> 5613044Sasami#include <sys/resourcevar.h> 5713044Sasami#include <sys/selinfo.h> 5813044Sasami#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 5913044Sasami#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 60109417Sphk#include <sys/signal.h> 6113044Sasami#include <sys/signalvar.h> 62227081Sed#include <sys/socket.h> 63109417Sphk#include <sys/socketvar.h> 64116111Sphk#include <sys/stat.h> 6513044Sasami#include <sys/syscall.h> 6613044Sasami#include <sys/syscallsubr.h> 67116111Sphk#include <sys/sysctl.h> 6813762Sasami#include <sys/sysent.h> 69116111Sphk#include <sys/sysproto.h> 70157740Scracauer#include <sys/systm.h> 71157740Scracauer#include <sys/thr.h> 72157740Scracauer#include <sys/unistd.h> 73157740Scracauer#include <sys/ucontext.h> 74116111Sphk#include <sys/vnode.h> 7513044Sasami#include <sys/wait.h> 7613044Sasami#include <sys/ipc.h> 7713044Sasami#include <sys/msg.h> 7813044Sasami#include <sys/sem.h> 7913044Sasami#include <sys/shm.h> 8013044Sasami 8113044Sasami#ifdef INET 8213044Sasami#include <netinet/in.h> 8313044Sasami#endif 8492539Simp 8592539Simp#include <vm/vm.h> 8692539Simp#include <vm/vm_kern.h> 8792539Simp#include <vm/vm_param.h> 88109417Sphk#include <vm/pmap.h> 8992539Simp#include <vm/vm_map.h> 9013044Sasami#include <vm/vm_object.h> 9113044Sasami#include <vm/vm_extern.h> 9292539Simp 9313044Sasami#include <machine/cpu.h> 9413044Sasami 9513044Sasami#include <security/audit/audit.h> 9683329Sru 9713044Sasami#include <compat/freebsd32/freebsd32_util.h> 9813044Sasami#include <compat/freebsd32/freebsd32.h> 9913044Sasami#include <compat/freebsd32/freebsd32_ipc.h> 10013044Sasami#include <compat/freebsd32/freebsd32_signal.h> 10113044Sasami#include <compat/freebsd32/freebsd32_proto.h> 10213044Sasami 10313044SasamiCTASSERT(sizeof(struct timeval32) == 8); 10413044SasamiCTASSERT(sizeof(struct timespec32) == 8); 10513044SasamiCTASSERT(sizeof(struct itimerval32) == 16); 10613044SasamiCTASSERT(sizeof(struct statfs32) == 256); 10713044SasamiCTASSERT(sizeof(struct rusage32) == 72); 10813044SasamiCTASSERT(sizeof(struct sigaltstack32) == 12); 10913044SasamiCTASSERT(sizeof(struct kevent32) == 20); 11013044SasamiCTASSERT(sizeof(struct iovec32) == 8); 11113044SasamiCTASSERT(sizeof(struct msghdr32) == 28); 11213044SasamiCTASSERT(sizeof(struct stat32) == 96); 11313044SasamiCTASSERT(sizeof(struct sigaction32) == 24); 11413044Sasami 11513044Sasamistatic int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 11613044Sasamistatic int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 11713044Sasami 11813044Sasamiint 11913044Sasamifreebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 12013044Sasami{ 12113044Sasami int error, status; 12213044Sasami struct rusage32 ru32; 12313044Sasami struct rusage ru, *rup; 12413044Sasami 12513044Sasami if (uap->rusage != NULL) 12613044Sasami rup = &ru; 12713044Sasami else 12813044Sasami rup = NULL; 12913044Sasami error = kern_wait(td, uap->pid, &status, uap->options, rup); 13013044Sasami if (error) 13113044Sasami return (error); 13213044Sasami if (uap->status != NULL) 13313044Sasami error = copyout(&status, uap->status, sizeof(status)); 13413044Sasami if (uap->rusage != NULL && error == 0) { 13513044Sasami TV_CP(ru, ru32, ru_utime); 13613044Sasami TV_CP(ru, ru32, ru_stime); 13713044Sasami CP(ru, ru32, ru_maxrss); 13813044Sasami CP(ru, ru32, ru_ixrss); 13913044Sasami CP(ru, ru32, ru_idrss); 140116111Sphk CP(ru, ru32, ru_isrss); 14145329Speter CP(ru, ru32, ru_minflt); 142116126Sphk CP(ru, ru32, ru_majflt); 143116126Sphk CP(ru, ru32, ru_nswap); 14445329Speter CP(ru, ru32, ru_inblock); 14545329Speter CP(ru, ru32, ru_oublock); 14613044Sasami CP(ru, ru32, ru_msgsnd); 14713044Sasami CP(ru, ru32, ru_msgrcv); 14813044Sasami CP(ru, ru32, ru_nsignals); 14913044Sasami CP(ru, ru32, ru_nvcsw); 15013044Sasami CP(ru, ru32, ru_nivcsw); 15113044Sasami error = copyout(&ru32, uap->rusage, sizeof(ru32)); 15213044Sasami } 15313044Sasami return (error); 15413044Sasami} 15513044Sasami 15613044Sasami#ifdef COMPAT_FREEBSD4 15713044Sasamistatic void 15813044Sasamicopy_statfs(struct statfs *in, struct statfs32 *out) 15913044Sasami{ 16013044Sasami 16113044Sasami statfs_scale_blocks(in, INT32_MAX); 16236628Scharnier bzero(out, sizeof(*out)); 16313044Sasami CP(*in, *out, f_bsize); 16413044Sasami out->f_iosize = MIN(in->f_iosize, INT32_MAX); 16513044Sasami CP(*in, *out, f_blocks); 16692539Simp CP(*in, *out, f_bfree); 16713044Sasami CP(*in, *out, f_bavail); 168116111Sphk out->f_files = MIN(in->f_files, INT32_MAX); 169116111Sphk out->f_ffree = MIN(in->f_ffree, INT32_MAX); 170116111Sphk CP(*in, *out, f_fsid); 171116111Sphk CP(*in, *out, f_owner); 172116111Sphk CP(*in, *out, f_type); 173116111Sphk CP(*in, *out, f_flags); 17413044Sasami out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 17513044Sasami out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 17613044Sasami strlcpy(out->f_fstypename, 17713044Sasami in->f_fstypename, MFSNAMELEN); 17813044Sasami strlcpy(out->f_mntonname, 179116111Sphk in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 180209052Suqs out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 18113044Sasami out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 182109472Sphk strlcpy(out->f_mntfromname, 18313044Sasami in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 18413044Sasami} 18513044Sasami#endif 186116111Sphk 187116111Sphk#ifdef COMPAT_FREEBSD4 188116111Sphkint 189116111Sphkfreebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 190116111Sphk{ 191116111Sphk struct statfs *buf, *sp; 192116111Sphk struct statfs32 stat32; 19313044Sasami size_t count, size; 19413044Sasami int error; 195116111Sphk 196116111Sphk count = uap->bufsize / sizeof(struct statfs32); 197116111Sphk size = count * sizeof(struct statfs); 198116111Sphk error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 199116111Sphk if (size > 0) { 200116111Sphk count = td->td_retval[0]; 201116111Sphk sp = buf; 20213044Sasami while (count > 0 && error == 0) { 203116111Sphk copy_statfs(sp, &stat32); 20413044Sasami error = copyout(&stat32, uap->buf, sizeof(stat32)); 20513044Sasami sp++; 20613044Sasami uap->buf++; 20748568Sbillf count--; 20813044Sasami } 20913044Sasami free(buf, M_TEMP); 21013044Sasami } 21113044Sasami return (error); 21213044Sasami} 21313044Sasami#endif 21413044Sasami 21513044Sasamiint 21613044Sasamifreebsd32_sigaltstack(struct thread *td, 21713044Sasami struct freebsd32_sigaltstack_args *uap) 21848568Sbillf{ 21913044Sasami struct sigaltstack32 s32; 22013044Sasami struct sigaltstack ss, oss, *ssp; 22113044Sasami int error; 222109472Sphk 22313044Sasami if (uap->ss != NULL) { 22413044Sasami error = copyin(uap->ss, &s32, sizeof(s32)); 22513044Sasami if (error) 22613044Sasami return (error); 22713044Sasami PTRIN_CP(s32, ss, ss_sp); 22813044Sasami CP(s32, ss, ss_size); 22913044Sasami CP(s32, ss, ss_flags); 23013044Sasami ssp = &ss; 23113044Sasami } else 23213044Sasami ssp = NULL; 23313044Sasami error = kern_sigaltstack(td, ssp, &oss); 23413044Sasami if (error == 0 && uap->oss != NULL) { 23513044Sasami PTROUT_CP(oss, s32, ss_sp); 23613044Sasami CP(oss, s32, ss_size); 23713044Sasami CP(oss, s32, ss_flags); 23813044Sasami error = copyout(&s32, uap->oss, sizeof(s32)); 23913044Sasami } 24013044Sasami return (error); 24113044Sasami} 24213044Sasami 24313044Sasami/* 244116111Sphk * Custom version of exec_copyin_args() so that we can translate 245116111Sphk * the pointers. 246116111Sphk */ 247116111Sphkstatic int 248116111Sphkfreebsd32_exec_copyin_args(struct image_args *args, char *fname, 249116111Sphk enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 250116111Sphk{ 251116111Sphk char *argp, *envp; 252116111Sphk u_int32_t *p32, arg; 253157740Scracauer size_t length; 254157740Scracauer int error; 255157740Scracauer 256157740Scracauer bzero(args, sizeof(*args)); 257116111Sphk if (argv == NULL) 258116111Sphk return (EFAULT); 259116111Sphk 260116111Sphk /* 261116111Sphk * Allocate temporary demand zeroed space for argument and 262116111Sphk * environment strings 263116111Sphk */ 26413044Sasami args->buf = (char *) kmem_alloc_wait(exec_map, 265116111Sphk PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 266116111Sphk if (args->buf == NULL) 267116111Sphk return (ENOMEM); 268116111Sphk args->begin_argv = args->buf; 269116111Sphk args->endp = args->begin_argv; 27013044Sasami args->stringspace = ARG_MAX; 271116111Sphk 272116111Sphk /* 27313044Sasami * Copy the file name. 274116111Sphk */ 275116111Sphk if (fname != NULL) { 276116111Sphk args->fname = args->buf + ARG_MAX; 277116111Sphk error = (segflg == UIO_SYSSPACE) ? 27813044Sasami copystr(fname, args->fname, PATH_MAX, &length) : 27913044Sasami copyinstr(fname, args->fname, PATH_MAX, &length); 28013044Sasami if (error != 0) 28192539Simp goto err_exit; 28213044Sasami } else 28313044Sasami args->fname = NULL; 28413044Sasami 28513044Sasami /* 28613044Sasami * extract arguments first 28732116Simp */ 28813044Sasami p32 = argv; 28951690Sbillf for (;;) { 29032116Simp error = copyin(p32++, &arg, sizeof(arg)); 291241848Seadler if (error) 292241848Seadler goto err_exit; 29313044Sasami if (arg == 0) 294241848Seadler break; 295241848Seadler argp = PTRIN(arg); 29613044Sasami error = copyinstr(argp, args->endp, args->stringspace, &length); 29713044Sasami if (error) { 29813044Sasami if (error == ENAMETOOLONG) 299241848Seadler error = E2BIG; 300241848Seadler goto err_exit; 30113044Sasami } 30213044Sasami args->stringspace -= length; 30313044Sasami args->endp += length; 30413044Sasami args->argc++; 30513044Sasami } 30613044Sasami 30713044Sasami args->begin_envv = args->endp; 30813044Sasami 30913044Sasami /* 31013044Sasami * extract environment strings 31113044Sasami */ 31213044Sasami if (envv) { 31313044Sasami p32 = envv; 31413044Sasami for (;;) { 31513044Sasami error = copyin(p32++, &arg, sizeof(arg)); 31613044Sasami if (error) 31713044Sasami goto err_exit; 31813044Sasami if (arg == 0) 31913044Sasami break; 32013044Sasami envp = PTRIN(arg); 32113044Sasami error = copyinstr(envp, args->endp, args->stringspace, 32213044Sasami &length); 32313044Sasami if (error) { 32413044Sasami if (error == ENAMETOOLONG) 32513044Sasami error = E2BIG; 32613044Sasami goto err_exit; 32713044Sasami } 32813044Sasami args->stringspace -= length; 32913044Sasami args->endp += length; 33013044Sasami args->envc++; 33113044Sasami } 33213044Sasami } 33313044Sasami 33413044Sasami return (0); 33513044Sasami 33613044Sasamierr_exit: 33713044Sasami kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 33813044Sasami PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 33913044Sasami args->buf = NULL; 34013044Sasami return (error); 34113044Sasami} 34213044Sasami 34313044Sasamiint 34413044Sasamifreebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 34513044Sasami{ 34613044Sasami struct image_args eargs; 34713044Sasami int error; 34892539Simp 34913044Sasami error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 35013044Sasami uap->argv, uap->envv); 351109417Sphk if (error == 0) 352109417Sphk error = kern_execve(td, &eargs, NULL); 353109417Sphk return (error); 354109417Sphk} 355109417Sphk 356109417Sphkint 357109417Sphkfreebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 358109417Sphk{ 35913044Sasami struct image_args eargs; 36013044Sasami int error; 36113044Sasami 362115731Sphk error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 36313044Sasami uap->argv, uap->envv); 364115731Sphk if (error == 0) { 365115731Sphk eargs.fd = uap->fd; 366115731Sphk error = kern_execve(td, &eargs, NULL); 367109417Sphk } 368115730Sphk return (error); 36913044Sasami} 370115730Sphk 371115731Sphk#ifdef __ia64__ 372115731Sphkstatic int 373115730Sphkfreebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 374115730Sphk int prot, int fd, off_t pos) 375115731Sphk{ 376115731Sphk vm_map_t map; 377115730Sphk vm_map_entry_t entry; 378115731Sphk int rv; 379115731Sphk 380115731Sphk map = &td->td_proc->p_vmspace->vm_map; 381115731Sphk if (fd != -1) 382115731Sphk prot |= VM_PROT_WRITE; 383115731Sphk 384115731Sphk if (vm_map_lookup_entry(map, start, &entry)) { 385115731Sphk if ((entry->protection & prot) != prot) { 386115730Sphk rv = vm_map_protect(map, 387115731Sphk trunc_page(start), 388115731Sphk round_page(end), 38913044Sasami entry->protection | prot, 39013044Sasami FALSE); 39113044Sasami if (rv != KERN_SUCCESS) 392115731Sphk return (EINVAL); 393115731Sphk } 39413044Sasami } else { 395118632Sjohan vm_offset_t addr = trunc_page(start); 39613044Sasami rv = vm_map_find(map, 0, 0, 397115731Sphk &addr, PAGE_SIZE, FALSE, prot, 398118632Sjohan VM_PROT_ALL, 0); 399115731Sphk if (rv != KERN_SUCCESS) 400118632Sjohan return (EINVAL); 401118632Sjohan } 402118632Sjohan 40313044Sasami if (fd != -1) { 404118632Sjohan struct pread_args r; 40513044Sasami r.fd = fd; 40613044Sasami r.buf = (void *) start; 40713044Sasami r.nbyte = end - start; 40892539Simp r.offset = pos; 40913044Sasami return (pread(td, &r)); 41013044Sasami } else { 411116111Sphk while (start < end) { 41213044Sasami subyte((void *) start, 0); 413116111Sphk start++; 414116111Sphk } 415116111Sphk return (0); 416116111Sphk } 417116111Sphk} 418116111Sphk#endif 419116111Sphk 42013044Sasamiint 42113044Sasamifreebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 42213044Sasami{ 42313044Sasami struct mmap_args ap; 42413044Sasami vm_offset_t addr = (vm_offset_t) uap->addr; 42513044Sasami vm_size_t len = uap->len; 42613044Sasami int prot = uap->prot; 42713044Sasami int flags = uap->flags; 42813044Sasami int fd = uap->fd; 42913044Sasami off_t pos = (uap->poslo 43013044Sasami | ((off_t)uap->poshi << 32)); 431116111Sphk#ifdef __ia64__ 43213044Sasami vm_size_t pageoff; 43313044Sasami int error; 43413044Sasami 43513044Sasami /* 43613044Sasami * Attempt to handle page size hassles. 43713044Sasami */ 438116111Sphk pageoff = (pos & PAGE_MASK); 43913044Sasami if (flags & MAP_FIXED) { 44013044Sasami vm_offset_t start, end; 44113044Sasami start = addr; 44292539Simp end = addr + len; 44313044Sasami 44426541Scharnier if (start != trunc_page(start)) { 445141611Sru error = freebsd32_mmap_partial(td, start, 44626541Scharnier round_page(start), prot, 447141611Sru fd, pos); 44826541Scharnier if (fd != -1) 449141611Sru pos += round_page(start) - start; 45013044Sasami start = round_page(start); 45113044Sasami } 452 if (end != round_page(end)) { 453 vm_offset_t t = trunc_page(end); 454 error = freebsd32_mmap_partial(td, t, end, 455 prot, fd, 456 pos + t - start); 457 end = trunc_page(end); 458 } 459 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 460 /* 461 * We can't map this region at all. The specified 462 * address doesn't have the same alignment as the file 463 * position. Fake the mapping by simply reading the 464 * entire region into memory. First we need to make 465 * sure the region exists. 466 */ 467 vm_map_t map; 468 struct pread_args r; 469 int rv; 470 471 prot |= VM_PROT_WRITE; 472 map = &td->td_proc->p_vmspace->vm_map; 473 rv = vm_map_remove(map, start, end); 474 if (rv != KERN_SUCCESS) 475 return (EINVAL); 476 rv = vm_map_find(map, 0, 0, 477 &start, end - start, FALSE, 478 prot, VM_PROT_ALL, 0); 479 if (rv != KERN_SUCCESS) 480 return (EINVAL); 481 r.fd = fd; 482 r.buf = (void *) start; 483 r.nbyte = end - start; 484 r.offset = pos; 485 error = pread(td, &r); 486 if (error) 487 return (error); 488 489 td->td_retval[0] = addr; 490 return (0); 491 } 492 if (end == start) { 493 /* 494 * After dealing with the ragged ends, there 495 * might be none left. 496 */ 497 td->td_retval[0] = addr; 498 return (0); 499 } 500 addr = start; 501 len = end - start; 502 } 503#endif 504 505 ap.addr = (void *) addr; 506 ap.len = len; 507 ap.prot = prot; 508 ap.flags = flags; 509 ap.fd = fd; 510 ap.pos = pos; 511 512 return (mmap(td, &ap)); 513} 514 515#ifdef COMPAT_FREEBSD6 516int 517freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 518{ 519 struct freebsd32_mmap_args ap; 520 521 ap.addr = uap->addr; 522 ap.len = uap->len; 523 ap.prot = uap->prot; 524 ap.flags = uap->flags; 525 ap.fd = uap->fd; 526 ap.poslo = uap->poslo; 527 ap.poshi = uap->poshi; 528 529 return (freebsd32_mmap(td, &ap)); 530} 531#endif 532 533int 534freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 535{ 536 struct itimerval itv, oitv, *itvp; 537 struct itimerval32 i32; 538 int error; 539 540 if (uap->itv != NULL) { 541 error = copyin(uap->itv, &i32, sizeof(i32)); 542 if (error) 543 return (error); 544 TV_CP(i32, itv, it_interval); 545 TV_CP(i32, itv, it_value); 546 itvp = &itv; 547 } else 548 itvp = NULL; 549 error = kern_setitimer(td, uap->which, itvp, &oitv); 550 if (error || uap->oitv == NULL) 551 return (error); 552 TV_CP(oitv, i32, it_interval); 553 TV_CP(oitv, i32, it_value); 554 return (copyout(&i32, uap->oitv, sizeof(i32))); 555} 556 557int 558freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 559{ 560 struct itimerval itv; 561 struct itimerval32 i32; 562 int error; 563 564 error = kern_getitimer(td, uap->which, &itv); 565 if (error || uap->itv == NULL) 566 return (error); 567 TV_CP(itv, i32, it_interval); 568 TV_CP(itv, i32, it_value); 569 return (copyout(&i32, uap->itv, sizeof(i32))); 570} 571 572int 573freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 574{ 575 struct timeval32 tv32; 576 struct timeval tv, *tvp; 577 int error; 578 579 if (uap->tv != NULL) { 580 error = copyin(uap->tv, &tv32, sizeof(tv32)); 581 if (error) 582 return (error); 583 CP(tv32, tv, tv_sec); 584 CP(tv32, tv, tv_usec); 585 tvp = &tv; 586 } else 587 tvp = NULL; 588 /* 589 * XXX big-endian needs to convert the fd_sets too. 590 * XXX Do pointers need PTRIN()? 591 */ 592 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp)); 593} 594 595/* 596 * Copy 'count' items into the destination list pointed to by uap->eventlist. 597 */ 598static int 599freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 600{ 601 struct freebsd32_kevent_args *uap; 602 struct kevent32 ks32[KQ_NEVENTS]; 603 int i, error = 0; 604 605 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 606 uap = (struct freebsd32_kevent_args *)arg; 607 608 for (i = 0; i < count; i++) { 609 CP(kevp[i], ks32[i], ident); 610 CP(kevp[i], ks32[i], filter); 611 CP(kevp[i], ks32[i], flags); 612 CP(kevp[i], ks32[i], fflags); 613 CP(kevp[i], ks32[i], data); 614 PTROUT_CP(kevp[i], ks32[i], udata); 615 } 616 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 617 if (error == 0) 618 uap->eventlist += count; 619 return (error); 620} 621 622/* 623 * Copy 'count' items from the list pointed to by uap->changelist. 624 */ 625static int 626freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 627{ 628 struct freebsd32_kevent_args *uap; 629 struct kevent32 ks32[KQ_NEVENTS]; 630 int i, error = 0; 631 632 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 633 uap = (struct freebsd32_kevent_args *)arg; 634 635 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 636 if (error) 637 goto done; 638 uap->changelist += count; 639 640 for (i = 0; i < count; i++) { 641 CP(ks32[i], kevp[i], ident); 642 CP(ks32[i], kevp[i], filter); 643 CP(ks32[i], kevp[i], flags); 644 CP(ks32[i], kevp[i], fflags); 645 CP(ks32[i], kevp[i], data); 646 PTRIN_CP(ks32[i], kevp[i], udata); 647 } 648done: 649 return (error); 650} 651 652int 653freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 654{ 655 struct timespec32 ts32; 656 struct timespec ts, *tsp; 657 struct kevent_copyops k_ops = { uap, 658 freebsd32_kevent_copyout, 659 freebsd32_kevent_copyin}; 660 int error; 661 662 663 if (uap->timeout) { 664 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 665 if (error) 666 return (error); 667 CP(ts32, ts, tv_sec); 668 CP(ts32, ts, tv_nsec); 669 tsp = &ts; 670 } else 671 tsp = NULL; 672 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 673 &k_ops, tsp); 674 return (error); 675} 676 677int 678freebsd32_gettimeofday(struct thread *td, 679 struct freebsd32_gettimeofday_args *uap) 680{ 681 struct timeval atv; 682 struct timeval32 atv32; 683 struct timezone rtz; 684 int error = 0; 685 686 if (uap->tp) { 687 microtime(&atv); 688 CP(atv, atv32, tv_sec); 689 CP(atv, atv32, tv_usec); 690 error = copyout(&atv32, uap->tp, sizeof (atv32)); 691 } 692 if (error == 0 && uap->tzp != NULL) { 693 rtz.tz_minuteswest = tz_minuteswest; 694 rtz.tz_dsttime = tz_dsttime; 695 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 696 } 697 return (error); 698} 699 700int 701freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 702{ 703 struct rusage32 s32; 704 struct rusage s; 705 int error; 706 707 error = kern_getrusage(td, uap->who, &s); 708 if (error) 709 return (error); 710 if (uap->rusage != NULL) { 711 TV_CP(s, s32, ru_utime); 712 TV_CP(s, s32, ru_stime); 713 CP(s, s32, ru_maxrss); 714 CP(s, s32, ru_ixrss); 715 CP(s, s32, ru_idrss); 716 CP(s, s32, ru_isrss); 717 CP(s, s32, ru_minflt); 718 CP(s, s32, ru_majflt); 719 CP(s, s32, ru_nswap); 720 CP(s, s32, ru_inblock); 721 CP(s, s32, ru_oublock); 722 CP(s, s32, ru_msgsnd); 723 CP(s, s32, ru_msgrcv); 724 CP(s, s32, ru_nsignals); 725 CP(s, s32, ru_nvcsw); 726 CP(s, s32, ru_nivcsw); 727 error = copyout(&s32, uap->rusage, sizeof(s32)); 728 } 729 return (error); 730} 731 732static int 733freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 734{ 735 struct iovec32 iov32; 736 struct iovec *iov; 737 struct uio *uio; 738 u_int iovlen; 739 int error, i; 740 741 *uiop = NULL; 742 if (iovcnt > UIO_MAXIOV) 743 return (EINVAL); 744 iovlen = iovcnt * sizeof(struct iovec); 745 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 746 iov = (struct iovec *)(uio + 1); 747 for (i = 0; i < iovcnt; i++) { 748 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 749 if (error) { 750 free(uio, M_IOV); 751 return (error); 752 } 753 iov[i].iov_base = PTRIN(iov32.iov_base); 754 iov[i].iov_len = iov32.iov_len; 755 } 756 uio->uio_iov = iov; 757 uio->uio_iovcnt = iovcnt; 758 uio->uio_segflg = UIO_USERSPACE; 759 uio->uio_offset = -1; 760 uio->uio_resid = 0; 761 for (i = 0; i < iovcnt; i++) { 762 if (iov->iov_len > INT_MAX - uio->uio_resid) { 763 free(uio, M_IOV); 764 return (EINVAL); 765 } 766 uio->uio_resid += iov->iov_len; 767 iov++; 768 } 769 *uiop = uio; 770 return (0); 771} 772 773int 774freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 775{ 776 struct uio *auio; 777 int error; 778 779 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 780 if (error) 781 return (error); 782 error = kern_readv(td, uap->fd, auio); 783 free(auio, M_IOV); 784 return (error); 785} 786 787int 788freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 789{ 790 struct uio *auio; 791 int error; 792 793 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 794 if (error) 795 return (error); 796 error = kern_writev(td, uap->fd, auio); 797 free(auio, M_IOV); 798 return (error); 799} 800 801int 802freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 803{ 804 struct uio *auio; 805 int error; 806 807 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 808 if (error) 809 return (error); 810 error = kern_preadv(td, uap->fd, auio, uap->offset); 811 free(auio, M_IOV); 812 return (error); 813} 814 815int 816freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 817{ 818 struct uio *auio; 819 int error; 820 821 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 822 if (error) 823 return (error); 824 error = kern_pwritev(td, uap->fd, auio, uap->offset); 825 free(auio, M_IOV); 826 return (error); 827} 828 829static int 830freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 831 int error) 832{ 833 struct iovec32 iov32; 834 struct iovec *iov; 835 u_int iovlen; 836 int i; 837 838 *iovp = NULL; 839 if (iovcnt > UIO_MAXIOV) 840 return (error); 841 iovlen = iovcnt * sizeof(struct iovec); 842 iov = malloc(iovlen, M_IOV, M_WAITOK); 843 for (i = 0; i < iovcnt; i++) { 844 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 845 if (error) { 846 free(iov, M_IOV); 847 return (error); 848 } 849 iov[i].iov_base = PTRIN(iov32.iov_base); 850 iov[i].iov_len = iov32.iov_len; 851 } 852 *iovp = iov; 853 return (0); 854} 855 856static int 857freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 858{ 859 struct msghdr32 m32; 860 int error; 861 862 error = copyin(msg32, &m32, sizeof(m32)); 863 if (error) 864 return (error); 865 msg->msg_name = PTRIN(m32.msg_name); 866 msg->msg_namelen = m32.msg_namelen; 867 msg->msg_iov = PTRIN(m32.msg_iov); 868 msg->msg_iovlen = m32.msg_iovlen; 869 msg->msg_control = PTRIN(m32.msg_control); 870 msg->msg_controllen = m32.msg_controllen; 871 msg->msg_flags = m32.msg_flags; 872 return (0); 873} 874 875static int 876freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 877{ 878 struct msghdr32 m32; 879 int error; 880 881 m32.msg_name = PTROUT(msg->msg_name); 882 m32.msg_namelen = msg->msg_namelen; 883 m32.msg_iov = PTROUT(msg->msg_iov); 884 m32.msg_iovlen = msg->msg_iovlen; 885 m32.msg_control = PTROUT(msg->msg_control); 886 m32.msg_controllen = msg->msg_controllen; 887 m32.msg_flags = msg->msg_flags; 888 error = copyout(&m32, msg32, sizeof(m32)); 889 return (error); 890} 891 892#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 893#define FREEBSD32_ALIGN(p) \ 894 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 895#define FREEBSD32_CMSG_SPACE(l) \ 896 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 897 898#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 899 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 900static int 901freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 902{ 903 struct cmsghdr *cm; 904 void *data; 905 socklen_t clen, datalen; 906 int error; 907 caddr_t ctlbuf; 908 int len, maxlen, copylen; 909 struct mbuf *m; 910 error = 0; 911 912 len = msg->msg_controllen; 913 maxlen = msg->msg_controllen; 914 msg->msg_controllen = 0; 915 916 m = control; 917 ctlbuf = msg->msg_control; 918 919 while (m && len > 0) { 920 cm = mtod(m, struct cmsghdr *); 921 clen = m->m_len; 922 923 while (cm != NULL) { 924 925 if (sizeof(struct cmsghdr) > clen || 926 cm->cmsg_len > clen) { 927 error = EINVAL; 928 break; 929 } 930 931 data = CMSG_DATA(cm); 932 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 933 934 /* Adjust message length */ 935 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 936 datalen; 937 938 939 /* Copy cmsghdr */ 940 copylen = sizeof(struct cmsghdr); 941 if (len < copylen) { 942 msg->msg_flags |= MSG_CTRUNC; 943 copylen = len; 944 } 945 946 error = copyout(cm,ctlbuf,copylen); 947 if (error) 948 goto exit; 949 950 ctlbuf += FREEBSD32_ALIGN(copylen); 951 len -= FREEBSD32_ALIGN(copylen); 952 953 if (len <= 0) 954 break; 955 956 /* Copy data */ 957 copylen = datalen; 958 if (len < copylen) { 959 msg->msg_flags |= MSG_CTRUNC; 960 copylen = len; 961 } 962 963 error = copyout(data,ctlbuf,copylen); 964 if (error) 965 goto exit; 966 967 ctlbuf += FREEBSD32_ALIGN(copylen); 968 len -= FREEBSD32_ALIGN(copylen); 969 970 if (CMSG_SPACE(datalen) < clen) { 971 clen -= CMSG_SPACE(datalen); 972 cm = (struct cmsghdr *) 973 ((caddr_t)cm + CMSG_SPACE(datalen)); 974 } else { 975 clen = 0; 976 cm = NULL; 977 } 978 } 979 m = m->m_next; 980 } 981 982 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 983 984exit: 985 return (error); 986 987} 988 989int 990freebsd32_recvmsg(td, uap) 991 struct thread *td; 992 struct freebsd32_recvmsg_args /* { 993 int s; 994 struct msghdr32 *msg; 995 int flags; 996 } */ *uap; 997{ 998 struct msghdr msg; 999 struct msghdr32 m32; 1000 struct iovec *uiov, *iov; 1001 struct mbuf *control = NULL; 1002 struct mbuf **controlp; 1003 1004 int error; 1005 error = copyin(uap->msg, &m32, sizeof(m32)); 1006 if (error) 1007 return (error); 1008 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1009 if (error) 1010 return (error); 1011 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1012 EMSGSIZE); 1013 if (error) 1014 return (error); 1015 msg.msg_flags = uap->flags; 1016 uiov = msg.msg_iov; 1017 msg.msg_iov = iov; 1018 1019 controlp = (msg.msg_control != NULL) ? &control : NULL; 1020 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1021 if (error == 0) { 1022 msg.msg_iov = uiov; 1023 1024 if (control != NULL) 1025 error = freebsd32_copy_msg_out(&msg, control); 1026 1027 if (error == 0) 1028 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1029 } 1030 free(iov, M_IOV); 1031 1032 if (control != NULL) 1033 m_freem(control); 1034 1035 return (error); 1036} 1037 1038 1039static int 1040freebsd32_convert_msg_in(struct mbuf **controlp) 1041{ 1042 struct mbuf *control = *controlp; 1043 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1044 void *data; 1045 socklen_t clen = control->m_len, datalen; 1046 int error; 1047 1048 error = 0; 1049 *controlp = NULL; 1050 1051 while (cm != NULL) { 1052 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1053 error = EINVAL; 1054 break; 1055 } 1056 1057 data = FREEBSD32_CMSG_DATA(cm); 1058 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1059 1060 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1061 cm->cmsg_level); 1062 controlp = &(*controlp)->m_next; 1063 1064 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1065 clen -= FREEBSD32_CMSG_SPACE(datalen); 1066 cm = (struct cmsghdr *) 1067 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1068 } else { 1069 clen = 0; 1070 cm = NULL; 1071 } 1072 } 1073 1074 m_freem(control); 1075 return (error); 1076} 1077 1078 1079int 1080freebsd32_sendmsg(struct thread *td, 1081 struct freebsd32_sendmsg_args *uap) 1082{ 1083 struct msghdr msg; 1084 struct msghdr32 m32; 1085 struct iovec *iov; 1086 struct mbuf *control = NULL; 1087 struct sockaddr *to = NULL; 1088 int error; 1089 1090 error = copyin(uap->msg, &m32, sizeof(m32)); 1091 if (error) 1092 return (error); 1093 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1094 if (error) 1095 return (error); 1096 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1097 EMSGSIZE); 1098 if (error) 1099 return (error); 1100 msg.msg_iov = iov; 1101 if (msg.msg_name != NULL) { 1102 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1103 if (error) { 1104 to = NULL; 1105 goto out; 1106 } 1107 msg.msg_name = to; 1108 } 1109 1110 if (msg.msg_control) { 1111 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1112 error = EINVAL; 1113 goto out; 1114 } 1115 1116 error = sockargs(&control, msg.msg_control, 1117 msg.msg_controllen, MT_CONTROL); 1118 if (error) 1119 goto out; 1120 1121 error = freebsd32_convert_msg_in(&control); 1122 if (error) 1123 goto out; 1124 } 1125 1126 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1127 UIO_USERSPACE); 1128 1129out: 1130 free(iov, M_IOV); 1131 if (to) 1132 free(to, M_SONAME); 1133 return (error); 1134} 1135 1136int 1137freebsd32_recvfrom(struct thread *td, 1138 struct freebsd32_recvfrom_args *uap) 1139{ 1140 struct msghdr msg; 1141 struct iovec aiov; 1142 int error; 1143 1144 if (uap->fromlenaddr) { 1145 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1146 sizeof(msg.msg_namelen)); 1147 if (error) 1148 return (error); 1149 } else { 1150 msg.msg_namelen = 0; 1151 } 1152 1153 msg.msg_name = PTRIN(uap->from); 1154 msg.msg_iov = &aiov; 1155 msg.msg_iovlen = 1; 1156 aiov.iov_base = PTRIN(uap->buf); 1157 aiov.iov_len = uap->len; 1158 msg.msg_control = NULL; 1159 msg.msg_flags = uap->flags; 1160 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1161 if (error == 0 && uap->fromlenaddr) 1162 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1163 sizeof (msg.msg_namelen)); 1164 return (error); 1165} 1166 1167int 1168freebsd32_settimeofday(struct thread *td, 1169 struct freebsd32_settimeofday_args *uap) 1170{ 1171 struct timeval32 tv32; 1172 struct timeval tv, *tvp; 1173 struct timezone tz, *tzp; 1174 int error; 1175 1176 if (uap->tv) { 1177 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1178 if (error) 1179 return (error); 1180 CP(tv32, tv, tv_sec); 1181 CP(tv32, tv, tv_usec); 1182 tvp = &tv; 1183 } else 1184 tvp = NULL; 1185 if (uap->tzp) { 1186 error = copyin(uap->tzp, &tz, sizeof(tz)); 1187 if (error) 1188 return (error); 1189 tzp = &tz; 1190 } else 1191 tzp = NULL; 1192 return (kern_settimeofday(td, tvp, tzp)); 1193} 1194 1195int 1196freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1197{ 1198 struct timeval32 s32[2]; 1199 struct timeval s[2], *sp; 1200 int error; 1201 1202 if (uap->tptr != NULL) { 1203 error = copyin(uap->tptr, s32, sizeof(s32)); 1204 if (error) 1205 return (error); 1206 CP(s32[0], s[0], tv_sec); 1207 CP(s32[0], s[0], tv_usec); 1208 CP(s32[1], s[1], tv_sec); 1209 CP(s32[1], s[1], tv_usec); 1210 sp = s; 1211 } else 1212 sp = NULL; 1213 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1214} 1215 1216int 1217freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1218{ 1219 struct timeval32 s32[2]; 1220 struct timeval s[2], *sp; 1221 int error; 1222 1223 if (uap->tptr != NULL) { 1224 error = copyin(uap->tptr, s32, sizeof(s32)); 1225 if (error) 1226 return (error); 1227 CP(s32[0], s[0], tv_sec); 1228 CP(s32[0], s[0], tv_usec); 1229 CP(s32[1], s[1], tv_sec); 1230 CP(s32[1], s[1], tv_usec); 1231 sp = s; 1232 } else 1233 sp = NULL; 1234 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1235} 1236 1237int 1238freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1239{ 1240 struct timeval32 s32[2]; 1241 struct timeval s[2], *sp; 1242 int error; 1243 1244 if (uap->tptr != NULL) { 1245 error = copyin(uap->tptr, s32, sizeof(s32)); 1246 if (error) 1247 return (error); 1248 CP(s32[0], s[0], tv_sec); 1249 CP(s32[0], s[0], tv_usec); 1250 CP(s32[1], s[1], tv_sec); 1251 CP(s32[1], s[1], tv_usec); 1252 sp = s; 1253 } else 1254 sp = NULL; 1255 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1256} 1257 1258int 1259freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1260{ 1261 struct timeval32 s32[2]; 1262 struct timeval s[2], *sp; 1263 int error; 1264 1265 if (uap->times != NULL) { 1266 error = copyin(uap->times, s32, sizeof(s32)); 1267 if (error) 1268 return (error); 1269 CP(s32[0], s[0], tv_sec); 1270 CP(s32[0], s[0], tv_usec); 1271 CP(s32[1], s[1], tv_sec); 1272 CP(s32[1], s[1], tv_usec); 1273 sp = s; 1274 } else 1275 sp = NULL; 1276 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1277 sp, UIO_SYSSPACE)); 1278} 1279 1280int 1281freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1282{ 1283 struct timeval32 tv32; 1284 struct timeval delta, olddelta, *deltap; 1285 int error; 1286 1287 if (uap->delta) { 1288 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1289 if (error) 1290 return (error); 1291 CP(tv32, delta, tv_sec); 1292 CP(tv32, delta, tv_usec); 1293 deltap = δ 1294 } else 1295 deltap = NULL; 1296 error = kern_adjtime(td, deltap, &olddelta); 1297 if (uap->olddelta && error == 0) { 1298 CP(olddelta, tv32, tv_sec); 1299 CP(olddelta, tv32, tv_usec); 1300 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1301 } 1302 return (error); 1303} 1304 1305#ifdef COMPAT_FREEBSD4 1306int 1307freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1308{ 1309 struct statfs32 s32; 1310 struct statfs s; 1311 int error; 1312 1313 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1314 if (error) 1315 return (error); 1316 copy_statfs(&s, &s32); 1317 return (copyout(&s32, uap->buf, sizeof(s32))); 1318} 1319#endif 1320 1321#ifdef COMPAT_FREEBSD4 1322int 1323freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1324{ 1325 struct statfs32 s32; 1326 struct statfs s; 1327 int error; 1328 1329 error = kern_fstatfs(td, uap->fd, &s); 1330 if (error) 1331 return (error); 1332 copy_statfs(&s, &s32); 1333 return (copyout(&s32, uap->buf, sizeof(s32))); 1334} 1335#endif 1336 1337#ifdef COMPAT_FREEBSD4 1338int 1339freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1340{ 1341 struct statfs32 s32; 1342 struct statfs s; 1343 fhandle_t fh; 1344 int error; 1345 1346 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1347 return (error); 1348 error = kern_fhstatfs(td, fh, &s); 1349 if (error) 1350 return (error); 1351 copy_statfs(&s, &s32); 1352 return (copyout(&s32, uap->buf, sizeof(s32))); 1353} 1354#endif 1355 1356static void 1357freebsd32_ipcperm_in(struct ipc_perm32 *ip32, struct ipc_perm *ip) 1358{ 1359 1360 CP(*ip32, *ip, cuid); 1361 CP(*ip32, *ip, cgid); 1362 CP(*ip32, *ip, uid); 1363 CP(*ip32, *ip, gid); 1364 CP(*ip32, *ip, mode); 1365 CP(*ip32, *ip, seq); 1366 CP(*ip32, *ip, key); 1367} 1368 1369static void 1370freebsd32_ipcperm_out(struct ipc_perm *ip, struct ipc_perm32 *ip32) 1371{ 1372 1373 CP(*ip, *ip32, cuid); 1374 CP(*ip, *ip32, cgid); 1375 CP(*ip, *ip32, uid); 1376 CP(*ip, *ip32, gid); 1377 CP(*ip, *ip32, mode); 1378 CP(*ip, *ip32, seq); 1379 CP(*ip, *ip32, key); 1380} 1381 1382int 1383freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1384{ 1385 1386 switch (uap->which) { 1387 case 0: 1388 return (freebsd32_semctl(td, 1389 (struct freebsd32_semctl_args *)&uap->a2)); 1390 default: 1391 return (semsys(td, (struct semsys_args *)uap)); 1392 } 1393} 1394 1395int 1396freebsd32_semctl(struct thread *td, struct freebsd32_semctl_args *uap) 1397{ 1398 struct semid_ds32 dsbuf32; 1399 struct semid_ds dsbuf; 1400 union semun semun; 1401 union semun32 arg; 1402 register_t rval; 1403 int error; 1404 1405 switch (uap->cmd) { 1406 case SEM_STAT: 1407 case IPC_SET: 1408 case IPC_STAT: 1409 case GETALL: 1410 case SETVAL: 1411 case SETALL: 1412 error = copyin(uap->arg, &arg, sizeof(arg)); 1413 if (error) 1414 return (error); 1415 break; 1416 } 1417 1418 switch (uap->cmd) { 1419 case SEM_STAT: 1420 case IPC_STAT: 1421 semun.buf = &dsbuf; 1422 break; 1423 case IPC_SET: 1424 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1425 if (error) 1426 return (error); 1427 freebsd32_ipcperm_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1428 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1429 CP(dsbuf32, dsbuf, sem_nsems); 1430 CP(dsbuf32, dsbuf, sem_otime); 1431 CP(dsbuf32, dsbuf, sem_pad1); 1432 CP(dsbuf32, dsbuf, sem_ctime); 1433 CP(dsbuf32, dsbuf, sem_pad2); 1434 CP(dsbuf32, dsbuf, sem_pad3[0]); 1435 CP(dsbuf32, dsbuf, sem_pad3[1]); 1436 CP(dsbuf32, dsbuf, sem_pad3[2]); 1437 CP(dsbuf32, dsbuf, sem_pad3[3]); 1438 semun.buf = &dsbuf; 1439 break; 1440 case GETALL: 1441 case SETALL: 1442 semun.array = PTRIN(arg.array); 1443 break; 1444 case SETVAL: 1445 semun.val = arg.val; 1446 break; 1447 } 1448 1449 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1450 &rval); 1451 if (error) 1452 return (error); 1453 1454 switch (uap->cmd) { 1455 case SEM_STAT: 1456 case IPC_STAT: 1457 freebsd32_ipcperm_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1458 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1459 CP(dsbuf, dsbuf32, sem_nsems); 1460 CP(dsbuf, dsbuf32, sem_otime); 1461 CP(dsbuf, dsbuf32, sem_pad1); 1462 CP(dsbuf, dsbuf32, sem_ctime); 1463 CP(dsbuf, dsbuf32, sem_pad2); 1464 CP(dsbuf, dsbuf32, sem_pad3[0]); 1465 CP(dsbuf, dsbuf32, sem_pad3[1]); 1466 CP(dsbuf, dsbuf32, sem_pad3[2]); 1467 CP(dsbuf, dsbuf32, sem_pad3[3]); 1468 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1469 break; 1470 } 1471 1472 if (error == 0) 1473 td->td_retval[0] = rval; 1474 return (error); 1475} 1476 1477int 1478freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1479{ 1480 1481 switch (uap->which) { 1482 case 0: 1483 return (freebsd32_msgctl(td, 1484 (struct freebsd32_msgctl_args *)&uap->a2)); 1485 case 2: 1486 return (freebsd32_msgsnd(td, 1487 (struct freebsd32_msgsnd_args *)&uap->a2)); 1488 case 3: 1489 return (freebsd32_msgrcv(td, 1490 (struct freebsd32_msgrcv_args *)&uap->a2)); 1491 default: 1492 return (msgsys(td, (struct msgsys_args *)uap)); 1493 } 1494} 1495 1496int 1497freebsd32_msgctl(struct thread *td, struct freebsd32_msgctl_args *uap) 1498{ 1499 struct msqid_ds msqbuf; 1500 struct msqid_ds32 msqbuf32; 1501 int error; 1502 1503 if (uap->cmd == IPC_SET) { 1504 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1505 if (error) 1506 return (error); 1507 freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1508 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1509 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1510 CP(msqbuf32, msqbuf, msg_cbytes); 1511 CP(msqbuf32, msqbuf, msg_qnum); 1512 CP(msqbuf32, msqbuf, msg_qbytes); 1513 CP(msqbuf32, msqbuf, msg_lspid); 1514 CP(msqbuf32, msqbuf, msg_lrpid); 1515 CP(msqbuf32, msqbuf, msg_stime); 1516 CP(msqbuf32, msqbuf, msg_pad1); 1517 CP(msqbuf32, msqbuf, msg_rtime); 1518 CP(msqbuf32, msqbuf, msg_pad2); 1519 CP(msqbuf32, msqbuf, msg_ctime); 1520 CP(msqbuf32, msqbuf, msg_pad3); 1521 CP(msqbuf32, msqbuf, msg_pad4[0]); 1522 CP(msqbuf32, msqbuf, msg_pad4[1]); 1523 CP(msqbuf32, msqbuf, msg_pad4[2]); 1524 CP(msqbuf32, msqbuf, msg_pad4[3]); 1525 } 1526 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1527 if (error) 1528 return (error); 1529 if (uap->cmd == IPC_STAT) { 1530 freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1531 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1532 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1533 CP(msqbuf, msqbuf32, msg_cbytes); 1534 CP(msqbuf, msqbuf32, msg_qnum); 1535 CP(msqbuf, msqbuf32, msg_qbytes); 1536 CP(msqbuf, msqbuf32, msg_lspid); 1537 CP(msqbuf, msqbuf32, msg_lrpid); 1538 CP(msqbuf, msqbuf32, msg_stime); 1539 CP(msqbuf, msqbuf32, msg_pad1); 1540 CP(msqbuf, msqbuf32, msg_rtime); 1541 CP(msqbuf, msqbuf32, msg_pad2); 1542 CP(msqbuf, msqbuf32, msg_ctime); 1543 CP(msqbuf, msqbuf32, msg_pad3); 1544 CP(msqbuf, msqbuf32, msg_pad4[0]); 1545 CP(msqbuf, msqbuf32, msg_pad4[1]); 1546 CP(msqbuf, msqbuf32, msg_pad4[2]); 1547 CP(msqbuf, msqbuf32, msg_pad4[3]); 1548 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1549 } 1550 return (error); 1551} 1552 1553int 1554freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1555{ 1556 const void *msgp; 1557 long mtype; 1558 int32_t mtype32; 1559 int error; 1560 1561 msgp = PTRIN(uap->msgp); 1562 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1563 return (error); 1564 mtype = mtype32; 1565 return (kern_msgsnd(td, uap->msqid, 1566 (const char *)msgp + sizeof(mtype32), 1567 uap->msgsz, uap->msgflg, mtype)); 1568} 1569 1570int 1571freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1572{ 1573 void *msgp; 1574 long mtype; 1575 int32_t mtype32; 1576 int error; 1577 1578 msgp = PTRIN(uap->msgp); 1579 if ((error = kern_msgrcv(td, uap->msqid, 1580 (char *)msgp + sizeof(mtype32), uap->msgsz, 1581 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1582 return (error); 1583 mtype32 = (int32_t)mtype; 1584 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1585} 1586 1587int 1588freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1589{ 1590 1591 switch (uap->which) { 1592 case 0: { /* shmat */ 1593 struct shmat_args ap; 1594 1595 ap.shmid = uap->a2; 1596 ap.shmaddr = PTRIN(uap->a3); 1597 ap.shmflg = uap->a4; 1598 return (sysent[SYS_shmat].sy_call(td, &ap)); 1599 } 1600 case 2: { /* shmdt */ 1601 struct shmdt_args ap; 1602 1603 ap.shmaddr = PTRIN(uap->a2); 1604 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1605 } 1606 case 3: { /* shmget */ 1607 struct shmget_args ap; 1608 1609 ap.key = uap->a2; 1610 ap.size = uap->a3; 1611 ap.shmflg = uap->a4; 1612 return (sysent[SYS_shmget].sy_call(td, &ap)); 1613 } 1614 case 4: { /* shmctl */ 1615 struct freebsd32_shmctl_args ap; 1616 1617 ap.shmid = uap->a2; 1618 ap.cmd = uap->a3; 1619 ap.buf = PTRIN(uap->a4); 1620 return (freebsd32_shmctl(td, &ap)); 1621 } 1622 case 1: /* oshmctl */ 1623 default: 1624 return (EINVAL); 1625 } 1626} 1627 1628int 1629freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1630{ 1631 int error = 0; 1632 union { 1633 struct shmid_ds shmid_ds; 1634 struct shm_info shm_info; 1635 struct shminfo shminfo; 1636 } u; 1637 union { 1638 struct shmid_ds32 shmid_ds32; 1639 struct shm_info32 shm_info32; 1640 struct shminfo32 shminfo32; 1641 } u32; 1642 size_t sz; 1643 1644 if (uap->cmd == IPC_SET) { 1645 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1646 sizeof(u32.shmid_ds32)))) 1647 goto done; 1648 freebsd32_ipcperm_in(&u32.shmid_ds32.shm_perm, 1649 &u.shmid_ds.shm_perm); 1650 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1651 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1652 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1653 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1654 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1655 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1656 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1657 PTRIN_CP(u32.shmid_ds32, u.shmid_ds, shm_internal); 1658 } 1659 1660 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1661 if (error) 1662 goto done; 1663 1664 /* Cases in which we need to copyout */ 1665 switch (uap->cmd) { 1666 case IPC_INFO: 1667 CP(u.shminfo, u32.shminfo32, shmmax); 1668 CP(u.shminfo, u32.shminfo32, shmmin); 1669 CP(u.shminfo, u32.shminfo32, shmmni); 1670 CP(u.shminfo, u32.shminfo32, shmseg); 1671 CP(u.shminfo, u32.shminfo32, shmall); 1672 error = copyout(&u32.shminfo32, uap->buf, 1673 sizeof(u32.shminfo32)); 1674 break; 1675 case SHM_INFO: 1676 CP(u.shm_info, u32.shm_info32, used_ids); 1677 CP(u.shm_info, u32.shm_info32, shm_rss); 1678 CP(u.shm_info, u32.shm_info32, shm_tot); 1679 CP(u.shm_info, u32.shm_info32, shm_swp); 1680 CP(u.shm_info, u32.shm_info32, swap_attempts); 1681 CP(u.shm_info, u32.shm_info32, swap_successes); 1682 error = copyout(&u32.shm_info32, uap->buf, 1683 sizeof(u32.shm_info32)); 1684 break; 1685 case SHM_STAT: 1686 case IPC_STAT: 1687 freebsd32_ipcperm_out(&u.shmid_ds.shm_perm, 1688 &u32.shmid_ds32.shm_perm); 1689 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1690 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1691 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1692 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1693 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1694 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1695 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1696 PTROUT_CP(u.shmid_ds, u32.shmid_ds32, shm_internal); 1697 error = copyout(&u32.shmid_ds32, uap->buf, 1698 sizeof(u32.shmid_ds32)); 1699 break; 1700 } 1701 1702done: 1703 if (error) { 1704 /* Invalidate the return value */ 1705 td->td_retval[0] = -1; 1706 } 1707 return (error); 1708} 1709 1710int 1711freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1712{ 1713 struct pread_args ap; 1714 1715 ap.fd = uap->fd; 1716 ap.buf = uap->buf; 1717 ap.nbyte = uap->nbyte; 1718 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1719 return (pread(td, &ap)); 1720} 1721 1722int 1723freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1724{ 1725 struct pwrite_args ap; 1726 1727 ap.fd = uap->fd; 1728 ap.buf = uap->buf; 1729 ap.nbyte = uap->nbyte; 1730 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1731 return (pwrite(td, &ap)); 1732} 1733 1734int 1735freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1736{ 1737 int error; 1738 struct lseek_args ap; 1739 off_t pos; 1740 1741 ap.fd = uap->fd; 1742 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1743 ap.whence = uap->whence; 1744 error = lseek(td, &ap); 1745 /* Expand the quad return into two parts for eax and edx */ 1746 pos = *(off_t *)(td->td_retval); 1747 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1748 td->td_retval[1] = pos >> 32; /* %edx */ 1749 return error; 1750} 1751 1752int 1753freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1754{ 1755 struct truncate_args ap; 1756 1757 ap.path = uap->path; 1758 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1759 return (truncate(td, &ap)); 1760} 1761 1762int 1763freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1764{ 1765 struct ftruncate_args ap; 1766 1767 ap.fd = uap->fd; 1768 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1769 return (ftruncate(td, &ap)); 1770} 1771 1772int 1773freebsd32_getdirentries(struct thread *td, 1774 struct freebsd32_getdirentries_args *uap) 1775{ 1776 long base; 1777 int32_t base32; 1778 int error; 1779 1780 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 1781 if (error) 1782 return (error); 1783 if (uap->basep != NULL) { 1784 base32 = base; 1785 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1786 } 1787 return (error); 1788} 1789 1790#ifdef COMPAT_FREEBSD6 1791/* versions with the 'int pad' argument */ 1792int 1793freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1794{ 1795 struct pread_args ap; 1796 1797 ap.fd = uap->fd; 1798 ap.buf = uap->buf; 1799 ap.nbyte = uap->nbyte; 1800 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1801 return (pread(td, &ap)); 1802} 1803 1804int 1805freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1806{ 1807 struct pwrite_args ap; 1808 1809 ap.fd = uap->fd; 1810 ap.buf = uap->buf; 1811 ap.nbyte = uap->nbyte; 1812 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1813 return (pwrite(td, &ap)); 1814} 1815 1816int 1817freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1818{ 1819 int error; 1820 struct lseek_args ap; 1821 off_t pos; 1822 1823 ap.fd = uap->fd; 1824 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1825 ap.whence = uap->whence; 1826 error = lseek(td, &ap); 1827 /* Expand the quad return into two parts for eax and edx */ 1828 pos = *(off_t *)(td->td_retval); 1829 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1830 td->td_retval[1] = pos >> 32; /* %edx */ 1831 return error; 1832} 1833 1834int 1835freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1836{ 1837 struct truncate_args ap; 1838 1839 ap.path = uap->path; 1840 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1841 return (truncate(td, &ap)); 1842} 1843 1844int 1845freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1846{ 1847 struct ftruncate_args ap; 1848 1849 ap.fd = uap->fd; 1850 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1851 return (ftruncate(td, &ap)); 1852} 1853#endif /* COMPAT_FREEBSD6 */ 1854 1855struct sf_hdtr32 { 1856 uint32_t headers; 1857 int hdr_cnt; 1858 uint32_t trailers; 1859 int trl_cnt; 1860}; 1861 1862static int 1863freebsd32_do_sendfile(struct thread *td, 1864 struct freebsd32_sendfile_args *uap, int compat) 1865{ 1866 struct sendfile_args ap; 1867 struct sf_hdtr32 hdtr32; 1868 struct sf_hdtr hdtr; 1869 struct uio *hdr_uio, *trl_uio; 1870 struct iovec32 *iov32; 1871 int error; 1872 1873 hdr_uio = trl_uio = NULL; 1874 1875 ap.fd = uap->fd; 1876 ap.s = uap->s; 1877 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1878 ap.nbytes = uap->nbytes; 1879 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1880 ap.sbytes = uap->sbytes; 1881 ap.flags = uap->flags; 1882 1883 if (uap->hdtr != NULL) { 1884 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1885 if (error) 1886 goto out; 1887 PTRIN_CP(hdtr32, hdtr, headers); 1888 CP(hdtr32, hdtr, hdr_cnt); 1889 PTRIN_CP(hdtr32, hdtr, trailers); 1890 CP(hdtr32, hdtr, trl_cnt); 1891 1892 if (hdtr.headers != NULL) { 1893 iov32 = PTRIN(hdtr32.headers); 1894 error = freebsd32_copyinuio(iov32, 1895 hdtr32.hdr_cnt, &hdr_uio); 1896 if (error) 1897 goto out; 1898 } 1899 if (hdtr.trailers != NULL) { 1900 iov32 = PTRIN(hdtr32.trailers); 1901 error = freebsd32_copyinuio(iov32, 1902 hdtr32.trl_cnt, &trl_uio); 1903 if (error) 1904 goto out; 1905 } 1906 } 1907 1908 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1909out: 1910 if (hdr_uio) 1911 free(hdr_uio, M_IOV); 1912 if (trl_uio) 1913 free(trl_uio, M_IOV); 1914 return (error); 1915} 1916 1917#ifdef COMPAT_FREEBSD4 1918int 1919freebsd4_freebsd32_sendfile(struct thread *td, 1920 struct freebsd4_freebsd32_sendfile_args *uap) 1921{ 1922 return (freebsd32_do_sendfile(td, 1923 (struct freebsd32_sendfile_args *)uap, 1)); 1924} 1925#endif 1926 1927int 1928freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1929{ 1930 1931 return (freebsd32_do_sendfile(td, uap, 0)); 1932} 1933 1934static void 1935copy_stat( struct stat *in, struct stat32 *out) 1936{ 1937 CP(*in, *out, st_dev); 1938 CP(*in, *out, st_ino); 1939 CP(*in, *out, st_mode); 1940 CP(*in, *out, st_nlink); 1941 CP(*in, *out, st_uid); 1942 CP(*in, *out, st_gid); 1943 CP(*in, *out, st_rdev); 1944 TS_CP(*in, *out, st_atimespec); 1945 TS_CP(*in, *out, st_mtimespec); 1946 TS_CP(*in, *out, st_ctimespec); 1947 CP(*in, *out, st_size); 1948 CP(*in, *out, st_blocks); 1949 CP(*in, *out, st_blksize); 1950 CP(*in, *out, st_flags); 1951 CP(*in, *out, st_gen); 1952} 1953 1954int 1955freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1956{ 1957 struct stat sb; 1958 struct stat32 sb32; 1959 int error; 1960 1961 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1962 if (error) 1963 return (error); 1964 copy_stat(&sb, &sb32); 1965 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1966 return (error); 1967} 1968 1969int 1970freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1971{ 1972 struct stat ub; 1973 struct stat32 ub32; 1974 int error; 1975 1976 error = kern_fstat(td, uap->fd, &ub); 1977 if (error) 1978 return (error); 1979 copy_stat(&ub, &ub32); 1980 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1981 return (error); 1982} 1983 1984int 1985freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1986{ 1987 struct stat ub; 1988 struct stat32 ub32; 1989 int error; 1990 1991 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1992 if (error) 1993 return (error); 1994 copy_stat(&ub, &ub32); 1995 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1996 return (error); 1997} 1998 1999int 2000freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 2001{ 2002 struct stat sb; 2003 struct stat32 sb32; 2004 int error; 2005 2006 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 2007 if (error) 2008 return (error); 2009 copy_stat(&sb, &sb32); 2010 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2011 return (error); 2012} 2013 2014/* 2015 * MPSAFE 2016 */ 2017int 2018freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 2019{ 2020 int error, name[CTL_MAXNAME]; 2021 size_t j, oldlen; 2022 2023 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2024 return (EINVAL); 2025 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2026 if (error) 2027 return (error); 2028 if (uap->oldlenp) 2029 oldlen = fuword32(uap->oldlenp); 2030 else 2031 oldlen = 0; 2032 error = userland_sysctl(td, name, uap->namelen, 2033 uap->old, &oldlen, 1, 2034 uap->new, uap->newlen, &j, SCTL_MASK32); 2035 if (error && error != ENOMEM) 2036 return (error); 2037 if (uap->oldlenp) 2038 suword32(uap->oldlenp, j); 2039 return (0); 2040} 2041 2042int 2043freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2044{ 2045 uint32_t version; 2046 int error; 2047 struct jail j; 2048 2049 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2050 if (error) 2051 return (error); 2052 2053 switch (version) { 2054 case 0: 2055 { 2056 /* FreeBSD single IPv4 jails. */ 2057 struct jail32_v0 j32_v0; 2058 2059 bzero(&j, sizeof(struct jail)); 2060 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2061 if (error) 2062 return (error); 2063 CP(j32_v0, j, version); 2064 PTRIN_CP(j32_v0, j, path); 2065 PTRIN_CP(j32_v0, j, hostname); 2066 j.ip4s = j32_v0.ip_number; 2067 break; 2068 } 2069 2070 case 1: 2071 /* 2072 * Version 1 was used by multi-IPv4 jail implementations 2073 * that never made it into the official kernel. 2074 */ 2075 return (EINVAL); 2076 2077 case 2: /* JAIL_API_VERSION */ 2078 { 2079 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2080 struct jail32 j32; 2081 2082 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2083 if (error) 2084 return (error); 2085 CP(j32, j, version); 2086 PTRIN_CP(j32, j, path); 2087 PTRIN_CP(j32, j, hostname); 2088 PTRIN_CP(j32, j, jailname); 2089 CP(j32, j, ip4s); 2090 CP(j32, j, ip6s); 2091 PTRIN_CP(j32, j, ip4); 2092 PTRIN_CP(j32, j, ip6); 2093 break; 2094 } 2095 2096 default: 2097 /* Sci-Fi jails are not supported, sorry. */ 2098 return (EINVAL); 2099 } 2100 return (kern_jail(td, &j)); 2101} 2102 2103int 2104freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2105{ 2106 struct uio *auio; 2107 int error; 2108 2109 /* Check that we have an even number of iovecs. */ 2110 if (uap->iovcnt & 1) 2111 return (EINVAL); 2112 2113 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2114 if (error) 2115 return (error); 2116 error = kern_jail_set(td, auio, uap->flags); 2117 free(auio, M_IOV); 2118 return (error); 2119} 2120 2121int 2122freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2123{ 2124 struct iovec32 iov32; 2125 struct uio *auio; 2126 int error, i; 2127 2128 /* Check that we have an even number of iovecs. */ 2129 if (uap->iovcnt & 1) 2130 return (EINVAL); 2131 2132 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2133 if (error) 2134 return (error); 2135 error = kern_jail_get(td, auio, uap->flags); 2136 if (error == 0) 2137 for (i = 0; i < uap->iovcnt; i++) { 2138 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2139 CP(auio->uio_iov[i], iov32, iov_len); 2140 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2141 if (error != 0) 2142 break; 2143 } 2144 free(auio, M_IOV); 2145 return (error); 2146} 2147 2148int 2149freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2150{ 2151 struct sigaction32 s32; 2152 struct sigaction sa, osa, *sap; 2153 int error; 2154 2155 if (uap->act) { 2156 error = copyin(uap->act, &s32, sizeof(s32)); 2157 if (error) 2158 return (error); 2159 sa.sa_handler = PTRIN(s32.sa_u); 2160 CP(s32, sa, sa_flags); 2161 CP(s32, sa, sa_mask); 2162 sap = &sa; 2163 } else 2164 sap = NULL; 2165 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2166 if (error == 0 && uap->oact != NULL) { 2167 s32.sa_u = PTROUT(osa.sa_handler); 2168 CP(osa, s32, sa_flags); 2169 CP(osa, s32, sa_mask); 2170 error = copyout(&s32, uap->oact, sizeof(s32)); 2171 } 2172 return (error); 2173} 2174 2175#ifdef COMPAT_FREEBSD4 2176int 2177freebsd4_freebsd32_sigaction(struct thread *td, 2178 struct freebsd4_freebsd32_sigaction_args *uap) 2179{ 2180 struct sigaction32 s32; 2181 struct sigaction sa, osa, *sap; 2182 int error; 2183 2184 if (uap->act) { 2185 error = copyin(uap->act, &s32, sizeof(s32)); 2186 if (error) 2187 return (error); 2188 sa.sa_handler = PTRIN(s32.sa_u); 2189 CP(s32, sa, sa_flags); 2190 CP(s32, sa, sa_mask); 2191 sap = &sa; 2192 } else 2193 sap = NULL; 2194 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2195 if (error == 0 && uap->oact != NULL) { 2196 s32.sa_u = PTROUT(osa.sa_handler); 2197 CP(osa, s32, sa_flags); 2198 CP(osa, s32, sa_mask); 2199 error = copyout(&s32, uap->oact, sizeof(s32)); 2200 } 2201 return (error); 2202} 2203#endif 2204 2205#ifdef COMPAT_43 2206struct osigaction32 { 2207 u_int32_t sa_u; 2208 osigset_t sa_mask; 2209 int sa_flags; 2210}; 2211 2212#define ONSIG 32 2213 2214int 2215ofreebsd32_sigaction(struct thread *td, 2216 struct ofreebsd32_sigaction_args *uap) 2217{ 2218 struct osigaction32 s32; 2219 struct sigaction sa, osa, *sap; 2220 int error; 2221 2222 if (uap->signum <= 0 || uap->signum >= ONSIG) 2223 return (EINVAL); 2224 2225 if (uap->nsa) { 2226 error = copyin(uap->nsa, &s32, sizeof(s32)); 2227 if (error) 2228 return (error); 2229 sa.sa_handler = PTRIN(s32.sa_u); 2230 CP(s32, sa, sa_flags); 2231 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2232 sap = &sa; 2233 } else 2234 sap = NULL; 2235 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2236 if (error == 0 && uap->osa != NULL) { 2237 s32.sa_u = PTROUT(osa.sa_handler); 2238 CP(osa, s32, sa_flags); 2239 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2240 error = copyout(&s32, uap->osa, sizeof(s32)); 2241 } 2242 return (error); 2243} 2244 2245int 2246ofreebsd32_sigprocmask(struct thread *td, 2247 struct ofreebsd32_sigprocmask_args *uap) 2248{ 2249 sigset_t set, oset; 2250 int error; 2251 2252 OSIG2SIG(uap->mask, set); 2253 error = kern_sigprocmask(td, uap->how, &set, &oset, 1); 2254 SIG2OSIG(oset, td->td_retval[0]); 2255 return (error); 2256} 2257 2258int 2259ofreebsd32_sigpending(struct thread *td, 2260 struct ofreebsd32_sigpending_args *uap) 2261{ 2262 struct proc *p = td->td_proc; 2263 sigset_t siglist; 2264 2265 PROC_LOCK(p); 2266 siglist = p->p_siglist; 2267 SIGSETOR(siglist, td->td_siglist); 2268 PROC_UNLOCK(p); 2269 SIG2OSIG(siglist, td->td_retval[0]); 2270 return (0); 2271} 2272 2273struct sigvec32 { 2274 u_int32_t sv_handler; 2275 int sv_mask; 2276 int sv_flags; 2277}; 2278 2279int 2280ofreebsd32_sigvec(struct thread *td, 2281 struct ofreebsd32_sigvec_args *uap) 2282{ 2283 struct sigvec32 vec; 2284 struct sigaction sa, osa, *sap; 2285 int error; 2286 2287 if (uap->signum <= 0 || uap->signum >= ONSIG) 2288 return (EINVAL); 2289 2290 if (uap->nsv) { 2291 error = copyin(uap->nsv, &vec, sizeof(vec)); 2292 if (error) 2293 return (error); 2294 sa.sa_handler = PTRIN(vec.sv_handler); 2295 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2296 sa.sa_flags = vec.sv_flags; 2297 sa.sa_flags ^= SA_RESTART; 2298 sap = &sa; 2299 } else 2300 sap = NULL; 2301 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2302 if (error == 0 && uap->osv != NULL) { 2303 vec.sv_handler = PTROUT(osa.sa_handler); 2304 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2305 vec.sv_flags = osa.sa_flags; 2306 vec.sv_flags &= ~SA_NOCLDWAIT; 2307 vec.sv_flags ^= SA_RESTART; 2308 error = copyout(&vec, uap->osv, sizeof(vec)); 2309 } 2310 return (error); 2311} 2312 2313int 2314ofreebsd32_sigblock(struct thread *td, 2315 struct ofreebsd32_sigblock_args *uap) 2316{ 2317 struct proc *p = td->td_proc; 2318 sigset_t set; 2319 2320 OSIG2SIG(uap->mask, set); 2321 SIG_CANTMASK(set); 2322 PROC_LOCK(p); 2323 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2324 SIGSETOR(td->td_sigmask, set); 2325 PROC_UNLOCK(p); 2326 return (0); 2327} 2328 2329int 2330ofreebsd32_sigsetmask(struct thread *td, 2331 struct ofreebsd32_sigsetmask_args *uap) 2332{ 2333 struct proc *p = td->td_proc; 2334 sigset_t set; 2335 2336 OSIG2SIG(uap->mask, set); 2337 SIG_CANTMASK(set); 2338 PROC_LOCK(p); 2339 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2340 SIGSETLO(td->td_sigmask, set); 2341 signotify(td); 2342 PROC_UNLOCK(p); 2343 return (0); 2344} 2345 2346int 2347ofreebsd32_sigsuspend(struct thread *td, 2348 struct ofreebsd32_sigsuspend_args *uap) 2349{ 2350 struct proc *p = td->td_proc; 2351 sigset_t mask; 2352 2353 PROC_LOCK(p); 2354 td->td_oldsigmask = td->td_sigmask; 2355 td->td_pflags |= TDP_OLDMASK; 2356 OSIG2SIG(uap->mask, mask); 2357 SIG_CANTMASK(mask); 2358 SIGSETLO(td->td_sigmask, mask); 2359 signotify(td); 2360 while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE|PCATCH, "opause", 0) == 0) 2361 /* void */; 2362 PROC_UNLOCK(p); 2363 /* always return EINTR rather than ERESTART... */ 2364 return (EINTR); 2365} 2366 2367struct sigstack32 { 2368 u_int32_t ss_sp; 2369 int ss_onstack; 2370}; 2371 2372int 2373ofreebsd32_sigstack(struct thread *td, 2374 struct ofreebsd32_sigstack_args *uap) 2375{ 2376 struct sigstack32 s32; 2377 struct sigstack nss, oss; 2378 int error = 0, unss; 2379 2380 if (uap->nss != NULL) { 2381 error = copyin(uap->nss, &s32, sizeof(s32)); 2382 if (error) 2383 return (error); 2384 nss.ss_sp = PTRIN(s32.ss_sp); 2385 CP(s32, nss, ss_onstack); 2386 unss = 1; 2387 } else { 2388 unss = 0; 2389 } 2390 oss.ss_sp = td->td_sigstk.ss_sp; 2391 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2392 if (unss) { 2393 td->td_sigstk.ss_sp = nss.ss_sp; 2394 td->td_sigstk.ss_size = 0; 2395 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2396 td->td_pflags |= TDP_ALTSTACK; 2397 } 2398 if (uap->oss != NULL) { 2399 s32.ss_sp = PTROUT(oss.ss_sp); 2400 CP(oss, s32, ss_onstack); 2401 error = copyout(&s32, uap->oss, sizeof(s32)); 2402 } 2403 return (error); 2404} 2405#endif 2406 2407int 2408freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2409{ 2410 struct timespec32 rmt32, rqt32; 2411 struct timespec rmt, rqt; 2412 int error; 2413 2414 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2415 if (error) 2416 return (error); 2417 2418 CP(rqt32, rqt, tv_sec); 2419 CP(rqt32, rqt, tv_nsec); 2420 2421 if (uap->rmtp && 2422 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2423 return (EFAULT); 2424 error = kern_nanosleep(td, &rqt, &rmt); 2425 if (error && uap->rmtp) { 2426 int error2; 2427 2428 CP(rmt, rmt32, tv_sec); 2429 CP(rmt, rmt32, tv_nsec); 2430 2431 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2432 if (error2) 2433 error = error2; 2434 } 2435 return (error); 2436} 2437 2438int 2439freebsd32_clock_gettime(struct thread *td, 2440 struct freebsd32_clock_gettime_args *uap) 2441{ 2442 struct timespec ats; 2443 struct timespec32 ats32; 2444 int error; 2445 2446 error = kern_clock_gettime(td, uap->clock_id, &ats); 2447 if (error == 0) { 2448 CP(ats, ats32, tv_sec); 2449 CP(ats, ats32, tv_nsec); 2450 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2451 } 2452 return (error); 2453} 2454 2455int 2456freebsd32_clock_settime(struct thread *td, 2457 struct freebsd32_clock_settime_args *uap) 2458{ 2459 struct timespec ats; 2460 struct timespec32 ats32; 2461 int error; 2462 2463 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2464 if (error) 2465 return (error); 2466 CP(ats32, ats, tv_sec); 2467 CP(ats32, ats, tv_nsec); 2468 2469 return (kern_clock_settime(td, uap->clock_id, &ats)); 2470} 2471 2472int 2473freebsd32_clock_getres(struct thread *td, 2474 struct freebsd32_clock_getres_args *uap) 2475{ 2476 struct timespec ts; 2477 struct timespec32 ts32; 2478 int error; 2479 2480 if (uap->tp == NULL) 2481 return (0); 2482 error = kern_clock_getres(td, uap->clock_id, &ts); 2483 if (error == 0) { 2484 CP(ts, ts32, tv_sec); 2485 CP(ts, ts32, tv_nsec); 2486 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2487 } 2488 return (error); 2489} 2490 2491int 2492freebsd32_thr_new(struct thread *td, 2493 struct freebsd32_thr_new_args *uap) 2494{ 2495 struct thr_param32 param32; 2496 struct thr_param param; 2497 int error; 2498 2499 if (uap->param_size < 0 || 2500 uap->param_size > sizeof(struct thr_param32)) 2501 return (EINVAL); 2502 bzero(¶m, sizeof(struct thr_param)); 2503 bzero(¶m32, sizeof(struct thr_param32)); 2504 error = copyin(uap->param, ¶m32, uap->param_size); 2505 if (error != 0) 2506 return (error); 2507 param.start_func = PTRIN(param32.start_func); 2508 param.arg = PTRIN(param32.arg); 2509 param.stack_base = PTRIN(param32.stack_base); 2510 param.stack_size = param32.stack_size; 2511 param.tls_base = PTRIN(param32.tls_base); 2512 param.tls_size = param32.tls_size; 2513 param.child_tid = PTRIN(param32.child_tid); 2514 param.parent_tid = PTRIN(param32.parent_tid); 2515 param.flags = param32.flags; 2516 param.rtp = PTRIN(param32.rtp); 2517 param.spare[0] = PTRIN(param32.spare[0]); 2518 param.spare[1] = PTRIN(param32.spare[1]); 2519 param.spare[2] = PTRIN(param32.spare[2]); 2520 2521 return (kern_thr_new(td, ¶m)); 2522} 2523 2524int 2525freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2526{ 2527 struct timespec32 ts32; 2528 struct timespec ts, *tsp; 2529 int error; 2530 2531 error = 0; 2532 tsp = NULL; 2533 if (uap->timeout != NULL) { 2534 error = copyin((const void *)uap->timeout, (void *)&ts32, 2535 sizeof(struct timespec32)); 2536 if (error != 0) 2537 return (error); 2538 ts.tv_sec = ts32.tv_sec; 2539 ts.tv_nsec = ts32.tv_nsec; 2540 tsp = &ts; 2541 } 2542 return (kern_thr_suspend(td, tsp)); 2543} 2544 2545void 2546siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2547{ 2548 bzero(dst, sizeof(*dst)); 2549 dst->si_signo = src->si_signo; 2550 dst->si_errno = src->si_errno; 2551 dst->si_code = src->si_code; 2552 dst->si_pid = src->si_pid; 2553 dst->si_uid = src->si_uid; 2554 dst->si_status = src->si_status; 2555 dst->si_addr = (uintptr_t)src->si_addr; 2556 dst->si_value.sigval_int = src->si_value.sival_int; 2557 dst->si_timerid = src->si_timerid; 2558 dst->si_overrun = src->si_overrun; 2559} 2560 2561int 2562freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2563{ 2564 struct timespec32 ts32; 2565 struct timespec ts; 2566 struct timespec *timeout; 2567 sigset_t set; 2568 ksiginfo_t ksi; 2569 struct siginfo32 si32; 2570 int error; 2571 2572 if (uap->timeout) { 2573 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2574 if (error) 2575 return (error); 2576 ts.tv_sec = ts32.tv_sec; 2577 ts.tv_nsec = ts32.tv_nsec; 2578 timeout = &ts; 2579 } else 2580 timeout = NULL; 2581 2582 error = copyin(uap->set, &set, sizeof(set)); 2583 if (error) 2584 return (error); 2585 2586 error = kern_sigtimedwait(td, set, &ksi, timeout); 2587 if (error) 2588 return (error); 2589 2590 if (uap->info) { 2591 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2592 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2593 } 2594 2595 if (error == 0) 2596 td->td_retval[0] = ksi.ksi_signo; 2597 return (error); 2598} 2599 2600/* 2601 * MPSAFE 2602 */ 2603int 2604freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2605{ 2606 ksiginfo_t ksi; 2607 struct siginfo32 si32; 2608 sigset_t set; 2609 int error; 2610 2611 error = copyin(uap->set, &set, sizeof(set)); 2612 if (error) 2613 return (error); 2614 2615 error = kern_sigtimedwait(td, set, &ksi, NULL); 2616 if (error) 2617 return (error); 2618 2619 if (uap->info) { 2620 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2621 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2622 } 2623 if (error == 0) 2624 td->td_retval[0] = ksi.ksi_signo; 2625 return (error); 2626} 2627 2628int 2629freebsd32_cpuset_setid(struct thread *td, 2630 struct freebsd32_cpuset_setid_args *uap) 2631{ 2632 struct cpuset_setid_args ap; 2633 2634 ap.which = uap->which; 2635 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2636 ap.setid = uap->setid; 2637 2638 return (cpuset_setid(td, &ap)); 2639} 2640 2641int 2642freebsd32_cpuset_getid(struct thread *td, 2643 struct freebsd32_cpuset_getid_args *uap) 2644{ 2645 struct cpuset_getid_args ap; 2646 2647 ap.level = uap->level; 2648 ap.which = uap->which; 2649 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2650 ap.setid = uap->setid; 2651 2652 return (cpuset_getid(td, &ap)); 2653} 2654 2655int 2656freebsd32_cpuset_getaffinity(struct thread *td, 2657 struct freebsd32_cpuset_getaffinity_args *uap) 2658{ 2659 struct cpuset_getaffinity_args ap; 2660 2661 ap.level = uap->level; 2662 ap.which = uap->which; 2663 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2664 ap.cpusetsize = uap->cpusetsize; 2665 ap.mask = uap->mask; 2666 2667 return (cpuset_getaffinity(td, &ap)); 2668} 2669 2670int 2671freebsd32_cpuset_setaffinity(struct thread *td, 2672 struct freebsd32_cpuset_setaffinity_args *uap) 2673{ 2674 struct cpuset_setaffinity_args ap; 2675 2676 ap.level = uap->level; 2677 ap.which = uap->which; 2678 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2679 ap.cpusetsize = uap->cpusetsize; 2680 ap.mask = uap->mask; 2681 2682 return (cpuset_setaffinity(td, &ap)); 2683} 2684 2685int 2686freebsd32_nmount(struct thread *td, 2687 struct freebsd32_nmount_args /* { 2688 struct iovec *iovp; 2689 unsigned int iovcnt; 2690 int flags; 2691 } */ *uap) 2692{ 2693 struct uio *auio; 2694 int error; 2695 2696 AUDIT_ARG(fflags, uap->flags); 2697 2698 /* 2699 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2700 * userspace to set this flag, but we must filter it out if we want 2701 * MNT_UPDATE on the root file system to work. 2702 * MNT_ROOTFS should only be set in the kernel in vfs_mountroot_try(). 2703 */ 2704 uap->flags &= ~MNT_ROOTFS; 2705 2706 /* 2707 * check that we have an even number of iovec's 2708 * and that we have at least two options. 2709 */ 2710 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2711 return (EINVAL); 2712 2713 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2714 if (error) 2715 return (error); 2716 error = vfs_donmount(td, uap->flags, auio); 2717 2718 free(auio, M_IOV); 2719 return error; 2720} 2721 2722#if 0 2723int 2724freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2725{ 2726 struct yyy32 *p32, s32; 2727 struct yyy *p = NULL, s; 2728 struct xxx_arg ap; 2729 int error; 2730 2731 if (uap->zzz) { 2732 error = copyin(uap->zzz, &s32, sizeof(s32)); 2733 if (error) 2734 return (error); 2735 /* translate in */ 2736 p = &s; 2737 } 2738 error = kern_xxx(td, p); 2739 if (error) 2740 return (error); 2741 if (uap->zzz) { 2742 /* translate out */ 2743 error = copyout(&s32, p32, sizeof(s32)); 2744 } 2745 return (error); 2746} 2747#endif 2748 2749int 2750syscall32_register(int *offset, struct sysent *new_sysent, 2751 struct sysent *old_sysent) 2752{ 2753 if (*offset == NO_SYSCALL) { 2754 int i; 2755 2756 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2757 if (freebsd32_sysent[i].sy_call == 2758 (sy_call_t *)lkmnosys) 2759 break; 2760 if (i == SYS_MAXSYSCALL) 2761 return (ENFILE); 2762 *offset = i; 2763 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2764 return (EINVAL); 2765 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2766 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2767 return (EEXIST); 2768 2769 *old_sysent = freebsd32_sysent[*offset]; 2770 freebsd32_sysent[*offset] = *new_sysent; 2771 return 0; 2772} 2773 2774int 2775syscall32_deregister(int *offset, struct sysent *old_sysent) 2776{ 2777 2778 if (*offset) 2779 freebsd32_sysent[*offset] = *old_sysent; 2780 return 0; 2781} 2782 2783int 2784syscall32_module_handler(struct module *mod, int what, void *arg) 2785{ 2786 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2787 modspecific_t ms; 2788 int error; 2789 2790 switch (what) { 2791 case MOD_LOAD: 2792 error = syscall32_register(data->offset, data->new_sysent, 2793 &data->old_sysent); 2794 if (error) { 2795 /* Leave a mark so we know to safely unload below. */ 2796 data->offset = NULL; 2797 return error; 2798 } 2799 ms.intval = *data->offset; 2800 MOD_XLOCK; 2801 module_setspecific(mod, &ms); 2802 MOD_XUNLOCK; 2803 if (data->chainevh) 2804 error = data->chainevh(mod, what, data->chainarg); 2805 return (error); 2806 case MOD_UNLOAD: 2807 /* 2808 * MOD_LOAD failed, so just return without calling the 2809 * chained handler since we didn't pass along the MOD_LOAD 2810 * event. 2811 */ 2812 if (data->offset == NULL) 2813 return (0); 2814 if (data->chainevh) { 2815 error = data->chainevh(mod, what, data->chainarg); 2816 if (error) 2817 return (error); 2818 } 2819 error = syscall32_deregister(data->offset, &data->old_sysent); 2820 return (error); 2821 default: 2822 error = EOPNOTSUPP; 2823 if (data->chainevh) 2824 error = data->chainevh(mod, what, data->chainarg); 2825 return (error); 2826 } 2827} 2828