freebsd32_misc.c revision 174268
1163302Sru/*- 2153761Swollman * Copyright (c) 2002 Doug Rabson 367578Swollman * All rights reserved. 42742Swollman * 52742Swollman * Redistribution and use in source and binary forms, with or without 62742Swollman * modification, are permitted provided that the following conditions 72742Swollman * are met: 8158421Swollman * 1. Redistributions of source code must retain the above copyright 92742Swollman * notice, this list of conditions and the following disclaimer. 102742Swollman * 2. Redistributions in binary form must reproduce the above copyright 11158421Swollman * notice, this list of conditions and the following disclaimer in the 12158421Swollman * documentation and/or other materials provided with the distribution. 132742Swollman * 1486222Swollman * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1520094Swollman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1620094Swollman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1720094Swollman * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1820094Swollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1920094Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20158421Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21158421Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2220094Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 232742Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 242742Swollman * SUCH DAMAGE. 252742Swollman */ 262742Swollman 2714343Swollman#include <sys/cdefs.h> 2858787Sru__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 174268 2007-12-04 20:25:41Z jkim $"); 2914343Swollman 3030711Swollman#include "opt_compat.h" 3130711Swollman 32149514Swollman#include <sys/param.h> 3330711Swollman#include <sys/systm.h> 3430711Swollman#include <sys/bus.h> 3530711Swollman#include <sys/clock.h> 3630711Swollman#include <sys/exec.h> 3730711Swollman#include <sys/fcntl.h> 382742Swollman#include <sys/filedesc.h> 3930711Swollman#include <sys/namei.h> 4030711Swollman#include <sys/imgact.h> 4130711Swollman#include <sys/kernel.h> 4230711Swollman#include <sys/limits.h> 4330711Swollman#include <sys/lock.h> 442742Swollman#include <sys/malloc.h> 4530711Swollman#include <sys/file.h> /* Must come after sys/malloc.h */ 4630711Swollman#include <sys/mbuf.h> 4730711Swollman#include <sys/mman.h> 4830711Swollman#include <sys/module.h> 4930711Swollman#include <sys/mount.h> 5030711Swollman#include <sys/mutex.h> 5130711Swollman#include <sys/proc.h> 5230711Swollman#include <sys/reboot.h> 5330711Swollman#include <sys/resource.h> 5430711Swollman#include <sys/resourcevar.h> 552742Swollman#include <sys/selinfo.h> 5630711Swollman#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 5730711Swollman#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 5830711Swollman#include <sys/signal.h> 5986222Swollman#include <sys/signalvar.h> 6030711Swollman#include <sys/socket.h> 6130711Swollman#include <sys/socketvar.h> 622742Swollman#include <sys/stat.h> 6330711Swollman#include <sys/syscall.h> 642742Swollman#include <sys/syscallsubr.h> 652742Swollman#include <sys/sysctl.h> 662742Swollman#include <sys/sysent.h> 6719878Swollman#include <sys/sysproto.h> 68158421Swollman#include <sys/thr.h> 6919878Swollman#include <sys/unistd.h> 7019878Swollman#include <sys/ucontext.h> 7119878Swollman#include <sys/vnode.h> 7219878Swollman#include <sys/wait.h> 732742Swollman#include <sys/ipc.h> 7419878Swollman#include <sys/shm.h> 752742Swollman 7619878Swollman#include <vm/vm.h> 772742Swollman#include <vm/vm_kern.h> 78158421Swollman#include <vm/vm_param.h> 792742Swollman#include <vm/pmap.h> 802742Swollman#include <vm/vm_map.h> 8119878Swollman#include <vm/vm_object.h> 822742Swollman#include <vm/vm_extern.h> 8319878Swollman 842742Swollman#include <machine/cpu.h> 8519878Swollman 862742Swollman#include <compat/freebsd32/freebsd32_util.h> 8719878Swollman#include <compat/freebsd32/freebsd32.h> 882742Swollman#include <compat/freebsd32/freebsd32_signal.h> 89158421Swollman#include <compat/freebsd32/freebsd32_proto.h> 90158421Swollman 912742SwollmanCTASSERT(sizeof(struct timeval32) == 8); 922742SwollmanCTASSERT(sizeof(struct timespec32) == 8); 9314343SwollmanCTASSERT(sizeof(struct statfs32) == 256); 9419878SwollmanCTASSERT(sizeof(struct rusage32) == 72); 9519878Swollman 962742Swollmanint 9719878Swollmanfreebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 9819878Swollman{ 9919878Swollman int error, status; 10019878Swollman struct rusage32 ru32; 10119878Swollman struct rusage ru, *rup; 1022742Swollman 1032742Swollman if (uap->rusage != NULL) 1042742Swollman rup = &ru; 1052742Swollman else 10686222Swollman rup = NULL; 10730711Swollman error = kern_wait(td, uap->pid, &status, uap->options, rup); 1082742Swollman if (error) 1092742Swollman return (error); 110158421Swollman if (uap->status != NULL) 111158421Swollman error = copyout(&status, uap->status, sizeof(status)); 1122742Swollman if (uap->rusage != NULL && error == 0) { 1132742Swollman TV_CP(ru, ru32, ru_utime); 11430711Swollman TV_CP(ru, ru32, ru_stime); 11530711Swollman CP(ru, ru32, ru_maxrss); 1162742Swollman CP(ru, ru32, ru_ixrss); 1172742Swollman CP(ru, ru32, ru_idrss); 1182742Swollman CP(ru, ru32, ru_isrss); 1192742Swollman CP(ru, ru32, ru_minflt); 12030711Swollman CP(ru, ru32, ru_majflt); 12130711Swollman CP(ru, ru32, ru_nswap); 12230711Swollman CP(ru, ru32, ru_inblock); 1232742Swollman CP(ru, ru32, ru_oublock); 1242742Swollman CP(ru, ru32, ru_msgsnd); 1252742Swollman CP(ru, ru32, ru_msgrcv); 1262742Swollman CP(ru, ru32, ru_nsignals); 12730711Swollman CP(ru, ru32, ru_nvcsw); 1282742Swollman CP(ru, ru32, ru_nivcsw); 1292742Swollman error = copyout(&ru32, uap->rusage, sizeof(ru32)); 1302742Swollman } 1312742Swollman return (error); 13230711Swollman} 1332742Swollman 1342742Swollman#ifdef COMPAT_FREEBSD4 135158421Swollmanstatic void 1362742Swollmancopy_statfs(struct statfs *in, struct statfs32 *out) 1372742Swollman{ 13830711Swollman 1392742Swollman statfs_scale_blocks(in, INT32_MAX); 1402742Swollman bzero(out, sizeof(*out)); 1412742Swollman CP(*in, *out, f_bsize); 1422742Swollman out->f_iosize = MIN(in->f_iosize, INT32_MAX); 1432742Swollman CP(*in, *out, f_blocks); 1442742Swollman CP(*in, *out, f_bfree); 1452742Swollman CP(*in, *out, f_bavail); 14619878Swollman out->f_files = MIN(in->f_files, INT32_MAX); 1472742Swollman out->f_ffree = MIN(in->f_ffree, INT32_MAX); 1482742Swollman CP(*in, *out, f_fsid); 1492742Swollman CP(*in, *out, f_owner); 1502742Swollman CP(*in, *out, f_type); 15130711Swollman CP(*in, *out, f_flags); 1522742Swollman out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 1532742Swollman out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 1542742Swollman strlcpy(out->f_fstypename, 1552742Swollman in->f_fstypename, MFSNAMELEN); 15630711Swollman strlcpy(out->f_mntonname, 15730711Swollman in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 15830711Swollman out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 1592742Swollman out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 1602742Swollman strlcpy(out->f_mntfromname, 1612742Swollman in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 1622742Swollman} 1632742Swollman#endif 1642742Swollman 16530711Swollman#ifdef COMPAT_FREEBSD4 1662742Swollmanint 16730711Swollmanfreebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 16830711Swollman{ 16930711Swollman struct statfs *buf, *sp; 17030711Swollman struct statfs32 stat32; 17130711Swollman size_t count, size; 17230711Swollman int error; 17330711Swollman 1742742Swollman count = uap->bufsize / sizeof(struct statfs32); 17530711Swollman size = count * sizeof(struct statfs); 1762742Swollman error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 1772742Swollman if (size > 0) { 1782742Swollman count = td->td_retval[0]; 1792742Swollman sp = buf; 18030711Swollman while (count > 0 && error == 0) { 1812742Swollman copy_statfs(sp, &stat32); 1822742Swollman error = copyout(&stat32, uap->buf, sizeof(stat32)); 1832742Swollman sp++; 1842742Swollman uap->buf++; 1852742Swollman count--; 1862742Swollman } 1872742Swollman free(buf, M_TEMP); 1882742Swollman } 1892742Swollman return (error); 1902742Swollman} 1912742Swollman#endif 19219878Swollman 1932742SwollmanCTASSERT(sizeof(struct sigaltstack32) == 12); 19419878Swollman 1952742Swollmanint 19619878Swollmanfreebsd32_sigaltstack(struct thread *td, 1972742Swollman struct freebsd32_sigaltstack_args *uap) 1982742Swollman{ 19919878Swollman struct sigaltstack32 s32; 20019878Swollman struct sigaltstack ss, oss, *ssp; 2012742Swollman int error; 20219878Swollman 20319878Swollman if (uap->ss != NULL) { 2042742Swollman error = copyin(uap->ss, &s32, sizeof(s32)); 20530711Swollman if (error) 20619878Swollman return (error); 20719878Swollman PTRIN_CP(s32, ss, ss_sp); 20819878Swollman CP(s32, ss, ss_size); 20919878Swollman CP(s32, ss, ss_flags); 21030711Swollman ssp = &ss; 21143014Swollman } else 21243543Swollman ssp = NULL; 21358787Sru error = kern_sigaltstack(td, ssp, &oss); 214163302Sru if (error == 0 && uap->oss != NULL) { 215163302Sru PTROUT_CP(oss, s32, ss_sp); 216163302Sru CP(oss, s32, ss_size); 217163302Sru CP(oss, s32, ss_flags); 218163302Sru error = copyout(&s32, uap->oss, sizeof(s32)); 219163302Sru } 220163302Sru return (error); 221163302Sru} 22220094Swollman 2232742Swollman/* 2242742Swollman * Custom version of exec_copyin_args() so that we can translate 22519878Swollman * the pointers. 2262742Swollman */ 2272742Swollmanstatic int 2282742Swollmanfreebsd32_exec_copyin_args(struct image_args *args, char *fname, 2292742Swollman enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 23030711Swollman{ 23130711Swollman char *argp, *envp; 2322742Swollman u_int32_t *p32, arg; 2332742Swollman size_t length; 2342742Swollman int error; 2352742Swollman 23619878Swollman bzero(args, sizeof(*args)); 23730711Swollman if (argv == NULL) 2382742Swollman return (EFAULT); 2392742Swollman 2402742Swollman /* 241158421Swollman * Allocate temporary demand zeroed space for argument and 242158421Swollman * environment strings 243158421Swollman */ 24430711Swollman args->buf = (char *) kmem_alloc_wait(exec_map, 2452742Swollman PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 2462742Swollman if (args->buf == NULL) 24730711Swollman return (ENOMEM); 2482742Swollman args->begin_argv = args->buf; 2492742Swollman args->endp = args->begin_argv; 2502742Swollman args->stringspace = ARG_MAX; 2512742Swollman 2522742Swollman args->fname = args->buf + ARG_MAX; 25330711Swollman 2542742Swollman /* 2552742Swollman * Copy the file name. 2562742Swollman */ 2572742Swollman error = (segflg == UIO_SYSSPACE) ? 25819878Swollman copystr(fname, args->fname, PATH_MAX, &length) : 25930711Swollman copyinstr(fname, args->fname, PATH_MAX, &length); 26030711Swollman if (error != 0) 2612742Swollman goto err_exit; 2622742Swollman 2632742Swollman /* 264158421Swollman * extract arguments first 265158421Swollman */ 26630711Swollman p32 = argv; 26730711Swollman for (;;) { 2682742Swollman error = copyin(p32++, &arg, sizeof(arg)); 2692742Swollman if (error) 2702742Swollman goto err_exit; 2712742Swollman if (arg == 0) 2722742Swollman break; 2732742Swollman argp = PTRIN(arg); 2742742Swollman error = copyinstr(argp, args->endp, args->stringspace, &length); 27530711Swollman if (error) { 27630711Swollman if (error == ENAMETOOLONG) 27730711Swollman error = E2BIG; 2782742Swollman goto err_exit; 2792742Swollman } 2802742Swollman args->stringspace -= length; 2812742Swollman args->endp += length; 28230711Swollman args->argc++; 28330711Swollman } 2842742Swollman 2852742Swollman args->begin_envv = args->endp; 2862742Swollman 2872742Swollman /* 2882742Swollman * extract environment strings 28930711Swollman */ 29086222Swollman if (envv) { 2912742Swollman p32 = envv; 2922742Swollman for (;;) { 2932742Swollman error = copyin(p32++, &arg, sizeof(arg)); 2942742Swollman if (error) 2952742Swollman goto err_exit; 29630711Swollman if (arg == 0) 2972742Swollman break; 29830711Swollman envp = PTRIN(arg); 2992742Swollman error = copyinstr(envp, args->endp, args->stringspace, 3002742Swollman &length); 301158421Swollman if (error) { 3022742Swollman if (error == ENAMETOOLONG) 30386222Swollman error = E2BIG; 30414343Swollman goto err_exit; 305158421Swollman } 306158421Swollman args->stringspace -= length; 307158421Swollman args->endp += length; 308158421Swollman args->envc++; 3092742Swollman } 3102742Swollman } 3112742Swollman 31219878Swollman return (0); 31330711Swollman 3142742Swollmanerr_exit: 3152742Swollman kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 3162742Swollman PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 3172742Swollman args->buf = NULL; 3182742Swollman return (error); 3192742Swollman} 32019878Swollman 3212742Swollmanint 32219878Swollmanfreebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 3232742Swollman{ 32419878Swollman struct image_args eargs; 3252742Swollman int error; 32619878Swollman 3272742Swollman error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 32819878Swollman uap->argv, uap->envv); 32919878Swollman if (error == 0) 3302742Swollman error = kern_execve(td, &eargs, NULL); 33119878Swollman return (error); 332149514Swollman} 3332742Swollman 3342742Swollman#ifdef __ia64__ 33519878Swollmanstatic int 3362742Swollmanfreebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 33758787Sru int prot, int fd, off_t pos) 338158421Swollman{ 33958787Sru vm_map_t map; 34058787Sru vm_map_entry_t entry; 34158787Sru int rv; 34258787Sru 34343014Swollman map = &td->td_proc->p_vmspace->vm_map; 3442742Swollman if (fd != -1) 3452742Swollman prot |= VM_PROT_WRITE; 3462742Swollman 3472742Swollman if (vm_map_lookup_entry(map, start, &entry)) { 3482742Swollman if ((entry->protection & prot) != prot) { 3492742Swollman rv = vm_map_protect(map, 3502742Swollman trunc_page(start), 3512742Swollman round_page(end), 3522742Swollman entry->protection | prot, 3532742Swollman FALSE); 3542742Swollman if (rv != KERN_SUCCESS) 35530711Swollman return (EINVAL); 3562742Swollman } 3572742Swollman } else { 3582742Swollman vm_offset_t addr = trunc_page(start); 3592742Swollman rv = vm_map_find(map, 0, 0, 36030711Swollman &addr, PAGE_SIZE, FALSE, prot, 36130711Swollman VM_PROT_ALL, 0); 36230711Swollman if (rv != KERN_SUCCESS) 3632742Swollman return (EINVAL); 3642742Swollman } 3652742Swollman 3662742Swollman if (fd != -1) { 36730711Swollman struct pread_args r; 36830711Swollman r.fd = fd; 36930711Swollman r.buf = (void *) start; 3702742Swollman r.nbyte = end - start; 3712742Swollman r.offset = pos; 3722742Swollman return (pread(td, &r)); 3732742Swollman } else { 37419878Swollman while (start < end) { 3752742Swollman subyte((void *) start, 0); 3762742Swollman start++; 3772742Swollman } 3782742Swollman return (0); 3792742Swollman } 38014343Swollman} 3812742Swollman#endif 3822742Swollman 3832742Swollmanint 38430711Swollmanfreebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 38520094Swollman{ 38619878Swollman struct mmap_args ap; 3872742Swollman vm_offset_t addr = (vm_offset_t) uap->addr; 38819878Swollman vm_size_t len = uap->len; 3892742Swollman int prot = uap->prot; 39019878Swollman int flags = uap->flags; 3912742Swollman int fd = uap->fd; 39219878Swollman off_t pos = (uap->poslo 3932742Swollman | ((off_t)uap->poshi << 32)); 39419878Swollman#ifdef __ia64__ 3952742Swollman vm_size_t pageoff; 39619878Swollman int error; 3972742Swollman 3982742Swollman /* 39919878Swollman * Attempt to handle page size hassles. 4002742Swollman */ 4012742Swollman pageoff = (pos & PAGE_MASK); 4022742Swollman if (flags & MAP_FIXED) { 40319878Swollman vm_offset_t start, end; 40419878Swollman start = addr; 4052742Swollman end = addr + len; 40619878Swollman 40719878Swollman if (start != trunc_page(start)) { 40830711Swollman error = freebsd32_mmap_partial(td, start, 40919878Swollman round_page(start), prot, 4108029Swollman fd, pos); 4112742Swollman if (fd != -1) 4122742Swollman pos += round_page(start) - start; 4132742Swollman start = round_page(start); 41430711Swollman } 4152742Swollman if (end != round_page(end)) { 4162742Swollman vm_offset_t t = trunc_page(end); 417158421Swollman error = freebsd32_mmap_partial(td, t, end, 418158421Swollman prot, fd, 41920094Swollman pos + t - start); 42020094Swollman end = trunc_page(end); 42120094Swollman } 4222742Swollman if (end > start && fd != -1 && (pos & PAGE_MASK)) { 4232742Swollman /* 4242742Swollman * We can't map this region at all. The specified 42530711Swollman * address doesn't have the same alignment as the file 4262742Swollman * position. Fake the mapping by simply reading the 42730711Swollman * entire region into memory. First we need to make 42830711Swollman * sure the region exists. 42930711Swollman */ 4302742Swollman vm_map_t map; 4312742Swollman struct pread_args r; 4322742Swollman int rv; 43330711Swollman 43430711Swollman prot |= VM_PROT_WRITE; 43530711Swollman map = &td->td_proc->p_vmspace->vm_map; 43630711Swollman rv = vm_map_remove(map, start, end); 4372742Swollman if (rv != KERN_SUCCESS) 4382742Swollman return (EINVAL); 4392742Swollman rv = vm_map_find(map, 0, 0, 4402742Swollman &start, end - start, FALSE, 44130711Swollman prot, VM_PROT_ALL, 0); 4422742Swollman if (rv != KERN_SUCCESS) 4432742Swollman return (EINVAL); 4442742Swollman r.fd = fd; 44514343Swollman r.buf = (void *) start; 44619878Swollman r.nbyte = end - start; 44743014Swollman r.offset = pos; 44843014Swollman error = pread(td, &r); 44943014Swollman if (error) 45058787Sru return (error); 45158787Sru 45258787Sru td->td_retval[0] = addr; 45343014Swollman return (0); 45443014Swollman } 45543014Swollman if (end == start) { 45643014Swollman /* 45743014Swollman * After dealing with the ragged ends, there 45843014Swollman * might be none left. 4592742Swollman */ 4602742Swollman td->td_retval[0] = addr; 4612742Swollman return (0); 4622742Swollman } 46330711Swollman addr = start; 4642742Swollman len = end - start; 4652742Swollman } 4662742Swollman#endif 4672742Swollman 46830711Swollman ap.addr = (void *) addr; 4692742Swollman ap.len = len; 47014343Swollman ap.prot = prot; 47130711Swollman ap.flags = flags; 47230711Swollman ap.fd = fd; 47358787Sru ap.pos = pos; 47458787Sru 47530711Swollman return (mmap(td, &ap)); 47614343Swollman} 4772742Swollman 4782742Swollman#ifdef COMPAT_FREEBSD6 4792742Swollmanint 48019878Swollmanfreebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 48130711Swollman{ 4822742Swollman struct freebsd32_mmap_args ap; 4832742Swollman 4842742Swollman ap.addr = uap->addr; 4852742Swollman ap.len = uap->len; 48630711Swollman ap.prot = uap->prot; 48730711Swollman ap.flags = uap->flags; 4882742Swollman ap.fd = uap->fd; 4892742Swollman ap.poslo = uap->poslo; 4902742Swollman ap.poshi = uap->poshi; 4912742Swollman 49219878Swollman return (freebsd32_mmap(td, &ap)); 49386222Swollman} 49486222Swollman#endif 49586222Swollman 49686222Swollmanstruct itimerval32 { 49786222Swollman struct timeval32 it_interval; 49886222Swollman struct timeval32 it_value; 4992742Swollman}; 5002742Swollman 5012742SwollmanCTASSERT(sizeof(struct itimerval32) == 16); 502158421Swollman 50330711Swollmanint 50430711Swollmanfreebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 50530711Swollman{ 50630711Swollman struct itimerval itv, oitv, *itvp; 5072742Swollman struct itimerval32 i32; 5082742Swollman int error; 50919878Swollman 51030711Swollman if (uap->itv != NULL) { 51130711Swollman error = copyin(uap->itv, &i32, sizeof(i32)); 5122742Swollman if (error) 5132742Swollman return (error); 5142742Swollman TV_CP(i32, itv, it_interval); 5152742Swollman TV_CP(i32, itv, it_value); 5162742Swollman itvp = &itv; 51730711Swollman } else 5182742Swollman itvp = NULL; 5192742Swollman error = kern_setitimer(td, uap->which, itvp, &oitv); 5202742Swollman if (error || uap->oitv == NULL) 5212742Swollman return (error); 52230711Swollman TV_CP(oitv, i32, it_interval); 5232742Swollman TV_CP(oitv, i32, it_value); 5242742Swollman return (copyout(&i32, uap->oitv, sizeof(i32))); 5252742Swollman} 52630711Swollman 52730711Swollmanint 52830711Swollmanfreebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 52958787Sru{ 5302742Swollman struct itimerval itv; 5312742Swollman struct itimerval32 i32; 5322742Swollman int error; 53358787Sru 53458787Sru error = kern_getitimer(td, uap->which, &itv); 53558787Sru if (error || uap->itv == NULL) 53658787Sru return (error); 53758787Sru TV_CP(itv, i32, it_interval); 53858787Sru TV_CP(itv, i32, it_value); 53958787Sru return (copyout(&i32, uap->itv, sizeof(i32))); 54058787Sru} 5412742Swollman 54219878Swollmanint 54314343Swollmanfreebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 54419878Swollman{ 54519878Swollman struct timeval32 tv32; 5462742Swollman struct timeval tv, *tvp; 5472742Swollman int error; 54858787Sru 54958787Sru if (uap->tv != NULL) { 5502742Swollman error = copyin(uap->tv, &tv32, sizeof(tv32)); 5512742Swollman if (error) 5522742Swollman return (error); 5532742Swollman CP(tv32, tv, tv_sec); 55430711Swollman CP(tv32, tv, tv_usec); 5552742Swollman tvp = &tv; 5562742Swollman } else 5572742Swollman tvp = NULL; 5582742Swollman /* 5592742Swollman * XXX big-endian needs to convert the fd_sets too. 56086222Swollman * XXX Do pointers need PTRIN()? 5612742Swollman */ 5622742Swollman return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp)); 5632742Swollman} 5642742Swollman 5652742Swollmanstruct kevent32 { 56630711Swollman u_int32_t ident; /* identifier for this event */ 5672742Swollman short filter; /* filter for event */ 5682742Swollman u_short flags; 569149514Swollman u_int fflags; 570149514Swollman int32_t data; 571149514Swollman u_int32_t udata; /* opaque user data identifier */ 572149514Swollman}; 573149514Swollman 574149514SwollmanCTASSERT(sizeof(struct kevent32) == 20); 575149514Swollmanstatic int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 576149514Swollmanstatic int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 577149514Swollman 578149514Swollman/* 579149514Swollman * Copy 'count' items into the destination list pointed to by uap->eventlist. 580149514Swollman */ 581149514Swollmanstatic int 582149514Swollmanfreebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 583149514Swollman{ 584158421Swollman struct freebsd32_kevent_args *uap; 585158421Swollman struct kevent32 ks32[KQ_NEVENTS]; 586158421Swollman int i, error = 0; 587158421Swollman 588158421Swollman KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 589158421Swollman uap = (struct freebsd32_kevent_args *)arg; 590149514Swollman 5912742Swollman for (i = 0; i < count; i++) { 59219878Swollman CP(kevp[i], ks32[i], ident); 5932742Swollman CP(kevp[i], ks32[i], filter); 59419878Swollman CP(kevp[i], ks32[i], flags); 5952742Swollman CP(kevp[i], ks32[i], fflags); 59619878Swollman CP(kevp[i], ks32[i], data); 5972742Swollman PTROUT_CP(kevp[i], ks32[i], udata); 59819878Swollman } 5992742Swollman error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 60019878Swollman if (error == 0) 6012742Swollman uap->eventlist += count; 60219878Swollman return (error); 6032742Swollman} 6042742Swollman 60519878Swollman/* 6062742Swollman * Copy 'count' items from the list pointed to by uap->changelist. 60719878Swollman */ 6082742Swollmanstatic int 60919878Swollmanfreebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 61020094Swollman{ 61119878Swollman struct freebsd32_kevent_args *uap; 61219878Swollman struct kevent32 ks32[KQ_NEVENTS]; 613149514Swollman int i, error = 0; 614149514Swollman 615158421Swollman KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 616158421Swollman uap = (struct freebsd32_kevent_args *)arg; 617158421Swollman 618158421Swollman error = copyin(uap->changelist, ks32, count * sizeof *ks32); 619158421Swollman if (error) 6202742Swollman goto done; 6212742Swollman uap->changelist += count; 62214343Swollman 62319878Swollman for (i = 0; i < count; i++) { 6242742Swollman CP(ks32[i], kevp[i], ident); 6252742Swollman CP(ks32[i], kevp[i], filter); 6262742Swollman CP(ks32[i], kevp[i], flags); 6272742Swollman CP(ks32[i], kevp[i], fflags); 6282742Swollman CP(ks32[i], kevp[i], data); 6292742Swollman PTRIN_CP(ks32[i], kevp[i], udata); 63086222Swollman } 6312742Swollmandone: 6322742Swollman return (error); 6332742Swollman} 6342742Swollman 6352742Swollmanint 63630711Swollmanfreebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 6372742Swollman{ 6382742Swollman struct timespec32 ts32; 6392742Swollman struct timespec ts, *tsp; 6402742Swollman struct kevent_copyops k_ops = { uap, 64130711Swollman freebsd32_kevent_copyout, 642 freebsd32_kevent_copyin}; 643 int error; 644 645 646 if (uap->timeout) { 647 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 648 if (error) 649 return (error); 650 CP(ts32, ts, tv_sec); 651 CP(ts32, ts, tv_nsec); 652 tsp = &ts; 653 } else 654 tsp = NULL; 655 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 656 &k_ops, tsp); 657 return (error); 658} 659 660int 661freebsd32_gettimeofday(struct thread *td, 662 struct freebsd32_gettimeofday_args *uap) 663{ 664 struct timeval atv; 665 struct timeval32 atv32; 666 struct timezone rtz; 667 int error = 0; 668 669 if (uap->tp) { 670 microtime(&atv); 671 CP(atv, atv32, tv_sec); 672 CP(atv, atv32, tv_usec); 673 error = copyout(&atv32, uap->tp, sizeof (atv32)); 674 } 675 if (error == 0 && uap->tzp != NULL) { 676 rtz.tz_minuteswest = tz_minuteswest; 677 rtz.tz_dsttime = tz_dsttime; 678 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 679 } 680 return (error); 681} 682 683int 684freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 685{ 686 struct rusage32 s32; 687 struct rusage s; 688 int error; 689 690 error = kern_getrusage(td, uap->who, &s); 691 if (error) 692 return (error); 693 if (uap->rusage != NULL) { 694 TV_CP(s, s32, ru_utime); 695 TV_CP(s, s32, ru_stime); 696 CP(s, s32, ru_maxrss); 697 CP(s, s32, ru_ixrss); 698 CP(s, s32, ru_idrss); 699 CP(s, s32, ru_isrss); 700 CP(s, s32, ru_minflt); 701 CP(s, s32, ru_majflt); 702 CP(s, s32, ru_nswap); 703 CP(s, s32, ru_inblock); 704 CP(s, s32, ru_oublock); 705 CP(s, s32, ru_msgsnd); 706 CP(s, s32, ru_msgrcv); 707 CP(s, s32, ru_nsignals); 708 CP(s, s32, ru_nvcsw); 709 CP(s, s32, ru_nivcsw); 710 error = copyout(&s32, uap->rusage, sizeof(s32)); 711 } 712 return (error); 713} 714 715struct iovec32 { 716 u_int32_t iov_base; 717 int iov_len; 718}; 719 720CTASSERT(sizeof(struct iovec32) == 8); 721 722static int 723freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 724{ 725 struct iovec32 iov32; 726 struct iovec *iov; 727 struct uio *uio; 728 u_int iovlen; 729 int error, i; 730 731 *uiop = NULL; 732 if (iovcnt > UIO_MAXIOV) 733 return (EINVAL); 734 iovlen = iovcnt * sizeof(struct iovec); 735 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 736 iov = (struct iovec *)(uio + 1); 737 for (i = 0; i < iovcnt; i++) { 738 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 739 if (error) { 740 free(uio, M_IOV); 741 return (error); 742 } 743 iov[i].iov_base = PTRIN(iov32.iov_base); 744 iov[i].iov_len = iov32.iov_len; 745 } 746 uio->uio_iov = iov; 747 uio->uio_iovcnt = iovcnt; 748 uio->uio_segflg = UIO_USERSPACE; 749 uio->uio_offset = -1; 750 uio->uio_resid = 0; 751 for (i = 0; i < iovcnt; i++) { 752 if (iov->iov_len > INT_MAX - uio->uio_resid) { 753 free(uio, M_IOV); 754 return (EINVAL); 755 } 756 uio->uio_resid += iov->iov_len; 757 iov++; 758 } 759 *uiop = uio; 760 return (0); 761} 762 763int 764freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 765{ 766 struct uio *auio; 767 int error; 768 769 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 770 if (error) 771 return (error); 772 error = kern_readv(td, uap->fd, auio); 773 free(auio, M_IOV); 774 return (error); 775} 776 777int 778freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 779{ 780 struct uio *auio; 781 int error; 782 783 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 784 if (error) 785 return (error); 786 error = kern_writev(td, uap->fd, auio); 787 free(auio, M_IOV); 788 return (error); 789} 790 791int 792freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 793{ 794 struct uio *auio; 795 int error; 796 797 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 798 if (error) 799 return (error); 800 error = kern_preadv(td, uap->fd, auio, uap->offset); 801 free(auio, M_IOV); 802 return (error); 803} 804 805int 806freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 807{ 808 struct uio *auio; 809 int error; 810 811 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 812 if (error) 813 return (error); 814 error = kern_pwritev(td, uap->fd, auio, uap->offset); 815 free(auio, M_IOV); 816 return (error); 817} 818 819static int 820freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 821 int error) 822{ 823 struct iovec32 iov32; 824 struct iovec *iov; 825 u_int iovlen; 826 int i; 827 828 *iovp = NULL; 829 if (iovcnt > UIO_MAXIOV) 830 return (error); 831 iovlen = iovcnt * sizeof(struct iovec); 832 iov = malloc(iovlen, M_IOV, M_WAITOK); 833 for (i = 0; i < iovcnt; i++) { 834 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 835 if (error) { 836 free(iov, M_IOV); 837 return (error); 838 } 839 iov[i].iov_base = PTRIN(iov32.iov_base); 840 iov[i].iov_len = iov32.iov_len; 841 } 842 *iovp = iov; 843 return (0); 844} 845 846struct msghdr32 { 847 u_int32_t msg_name; 848 socklen_t msg_namelen; 849 u_int32_t msg_iov; 850 int msg_iovlen; 851 u_int32_t msg_control; 852 socklen_t msg_controllen; 853 int msg_flags; 854}; 855CTASSERT(sizeof(struct msghdr32) == 28); 856 857static int 858freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 859{ 860 struct msghdr32 m32; 861 int error; 862 863 error = copyin(msg32, &m32, sizeof(m32)); 864 if (error) 865 return (error); 866 msg->msg_name = PTRIN(m32.msg_name); 867 msg->msg_namelen = m32.msg_namelen; 868 msg->msg_iov = PTRIN(m32.msg_iov); 869 msg->msg_iovlen = m32.msg_iovlen; 870 msg->msg_control = PTRIN(m32.msg_control); 871 msg->msg_controllen = m32.msg_controllen; 872 msg->msg_flags = m32.msg_flags; 873 return (0); 874} 875 876static int 877freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 878{ 879 struct msghdr32 m32; 880 int error; 881 882 m32.msg_name = PTROUT(msg->msg_name); 883 m32.msg_namelen = msg->msg_namelen; 884 m32.msg_iov = PTROUT(msg->msg_iov); 885 m32.msg_iovlen = msg->msg_iovlen; 886 m32.msg_control = PTROUT(msg->msg_control); 887 m32.msg_controllen = msg->msg_controllen; 888 m32.msg_flags = msg->msg_flags; 889 error = copyout(&m32, msg32, sizeof(m32)); 890 return (error); 891} 892 893#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 894#define FREEBSD32_ALIGN(p) \ 895 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 896#define FREEBSD32_CMSG_SPACE(l) \ 897 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 898 899#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 900 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 901static int 902freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 903{ 904 struct cmsghdr *cm; 905 void *data; 906 socklen_t clen, datalen; 907 int error; 908 caddr_t ctlbuf; 909 int len, maxlen, copylen; 910 struct mbuf *m; 911 error = 0; 912 913 len = msg->msg_controllen; 914 maxlen = msg->msg_controllen; 915 msg->msg_controllen = 0; 916 917 m = control; 918 ctlbuf = msg->msg_control; 919 920 while (m && len > 0) { 921 cm = mtod(m, struct cmsghdr *); 922 clen = m->m_len; 923 924 while (cm != NULL) { 925 926 if (sizeof(struct cmsghdr) > clen || 927 cm->cmsg_len > clen) { 928 error = EINVAL; 929 break; 930 } 931 932 data = CMSG_DATA(cm); 933 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 934 935 /* Adjust message length */ 936 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 937 datalen; 938 939 940 /* Copy cmsghdr */ 941 copylen = sizeof(struct cmsghdr); 942 if (len < copylen) { 943 msg->msg_flags |= MSG_CTRUNC; 944 copylen = len; 945 } 946 947 error = copyout(cm,ctlbuf,copylen); 948 if (error) 949 goto exit; 950 951 ctlbuf += FREEBSD32_ALIGN(copylen); 952 len -= FREEBSD32_ALIGN(copylen); 953 954 if (len <= 0) 955 break; 956 957 /* Copy data */ 958 copylen = datalen; 959 if (len < copylen) { 960 msg->msg_flags |= MSG_CTRUNC; 961 copylen = len; 962 } 963 964 error = copyout(data,ctlbuf,copylen); 965 if (error) 966 goto exit; 967 968 ctlbuf += FREEBSD32_ALIGN(copylen); 969 len -= FREEBSD32_ALIGN(copylen); 970 971 if (CMSG_SPACE(datalen) < clen) { 972 clen -= CMSG_SPACE(datalen); 973 cm = (struct cmsghdr *) 974 ((caddr_t)cm + CMSG_SPACE(datalen)); 975 } else { 976 clen = 0; 977 cm = NULL; 978 } 979 } 980 m = m->m_next; 981 } 982 983 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 984 985exit: 986 return (error); 987 988} 989 990int 991freebsd32_recvmsg(td, uap) 992 struct thread *td; 993 struct freebsd32_recvmsg_args /* { 994 int s; 995 struct msghdr32 *msg; 996 int flags; 997 } */ *uap; 998{ 999 struct msghdr msg; 1000 struct msghdr32 m32; 1001 struct iovec *uiov, *iov; 1002 struct mbuf *control = NULL; 1003 struct mbuf **controlp; 1004 1005 int error; 1006 error = copyin(uap->msg, &m32, sizeof(m32)); 1007 if (error) 1008 return (error); 1009 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1010 if (error) 1011 return (error); 1012 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1013 EMSGSIZE); 1014 if (error) 1015 return (error); 1016 msg.msg_flags = uap->flags; 1017 uiov = msg.msg_iov; 1018 msg.msg_iov = iov; 1019 1020 controlp = (msg.msg_control != NULL) ? &control : NULL; 1021 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1022 if (error == 0) { 1023 msg.msg_iov = uiov; 1024 1025 if (control != NULL) 1026 error = freebsd32_copy_msg_out(&msg, control); 1027 1028 if (error == 0) 1029 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1030 } 1031 free(iov, M_IOV); 1032 1033 if (control != NULL) 1034 m_freem(control); 1035 1036 return (error); 1037} 1038 1039 1040static int 1041freebsd32_convert_msg_in(struct mbuf **controlp) 1042{ 1043 struct mbuf *control = *controlp; 1044 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1045 void *data; 1046 socklen_t clen = control->m_len, datalen; 1047 int error; 1048 1049 error = 0; 1050 *controlp = NULL; 1051 1052 while (cm != NULL) { 1053 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1054 error = EINVAL; 1055 break; 1056 } 1057 1058 data = FREEBSD32_CMSG_DATA(cm); 1059 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1060 1061 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1062 cm->cmsg_level); 1063 controlp = &(*controlp)->m_next; 1064 1065 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1066 clen -= FREEBSD32_CMSG_SPACE(datalen); 1067 cm = (struct cmsghdr *) 1068 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1069 } else { 1070 clen = 0; 1071 cm = NULL; 1072 } 1073 } 1074 1075 m_freem(control); 1076 return (error); 1077} 1078 1079 1080int 1081freebsd32_sendmsg(struct thread *td, 1082 struct freebsd32_sendmsg_args *uap) 1083{ 1084 struct msghdr msg; 1085 struct msghdr32 m32; 1086 struct iovec *iov; 1087 struct mbuf *control = NULL; 1088 struct sockaddr *to = NULL; 1089 int error; 1090 1091 error = copyin(uap->msg, &m32, sizeof(m32)); 1092 if (error) 1093 return (error); 1094 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1095 if (error) 1096 return (error); 1097 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1098 EMSGSIZE); 1099 if (error) 1100 return (error); 1101 msg.msg_iov = iov; 1102 if (msg.msg_name != NULL) { 1103 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1104 if (error) { 1105 to = NULL; 1106 goto out; 1107 } 1108 msg.msg_name = to; 1109 } 1110 1111 if (msg.msg_control) { 1112 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1113 error = EINVAL; 1114 goto out; 1115 } 1116 1117 error = sockargs(&control, msg.msg_control, 1118 msg.msg_controllen, MT_CONTROL); 1119 if (error) 1120 goto out; 1121 1122 error = freebsd32_convert_msg_in(&control); 1123 if (error) 1124 goto out; 1125 } 1126 1127 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1128 UIO_USERSPACE); 1129 1130out: 1131 free(iov, M_IOV); 1132 if (to) 1133 free(to, M_SONAME); 1134 return (error); 1135} 1136 1137int 1138freebsd32_recvfrom(struct thread *td, 1139 struct freebsd32_recvfrom_args *uap) 1140{ 1141 struct msghdr msg; 1142 struct iovec aiov; 1143 int error; 1144 1145 if (uap->fromlenaddr) { 1146 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1147 sizeof(msg.msg_namelen)); 1148 if (error) 1149 return (error); 1150 } else { 1151 msg.msg_namelen = 0; 1152 } 1153 1154 msg.msg_name = PTRIN(uap->from); 1155 msg.msg_iov = &aiov; 1156 msg.msg_iovlen = 1; 1157 aiov.iov_base = PTRIN(uap->buf); 1158 aiov.iov_len = uap->len; 1159 msg.msg_control = NULL; 1160 msg.msg_flags = uap->flags; 1161 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1162 if (error == 0 && uap->fromlenaddr) 1163 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1164 sizeof (msg.msg_namelen)); 1165 return (error); 1166} 1167 1168int 1169freebsd32_settimeofday(struct thread *td, 1170 struct freebsd32_settimeofday_args *uap) 1171{ 1172 struct timeval32 tv32; 1173 struct timeval tv, *tvp; 1174 struct timezone tz, *tzp; 1175 int error; 1176 1177 if (uap->tv) { 1178 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1179 if (error) 1180 return (error); 1181 CP(tv32, tv, tv_sec); 1182 CP(tv32, tv, tv_usec); 1183 tvp = &tv; 1184 } else 1185 tvp = NULL; 1186 if (uap->tzp) { 1187 error = copyin(uap->tzp, &tz, sizeof(tz)); 1188 if (error) 1189 return (error); 1190 tzp = &tz; 1191 } else 1192 tzp = NULL; 1193 return (kern_settimeofday(td, tvp, tzp)); 1194} 1195 1196int 1197freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1198{ 1199 struct timeval32 s32[2]; 1200 struct timeval s[2], *sp; 1201 int error; 1202 1203 if (uap->tptr != NULL) { 1204 error = copyin(uap->tptr, s32, sizeof(s32)); 1205 if (error) 1206 return (error); 1207 CP(s32[0], s[0], tv_sec); 1208 CP(s32[0], s[0], tv_usec); 1209 CP(s32[1], s[1], tv_sec); 1210 CP(s32[1], s[1], tv_usec); 1211 sp = s; 1212 } else 1213 sp = NULL; 1214 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1215} 1216 1217int 1218freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1219{ 1220 struct timeval32 s32[2]; 1221 struct timeval s[2], *sp; 1222 int error; 1223 1224 if (uap->tptr != NULL) { 1225 error = copyin(uap->tptr, s32, sizeof(s32)); 1226 if (error) 1227 return (error); 1228 CP(s32[0], s[0], tv_sec); 1229 CP(s32[0], s[0], tv_usec); 1230 CP(s32[1], s[1], tv_sec); 1231 CP(s32[1], s[1], tv_usec); 1232 sp = s; 1233 } else 1234 sp = NULL; 1235 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1236} 1237 1238int 1239freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1240{ 1241 struct timeval32 s32[2]; 1242 struct timeval s[2], *sp; 1243 int error; 1244 1245 if (uap->tptr != NULL) { 1246 error = copyin(uap->tptr, s32, sizeof(s32)); 1247 if (error) 1248 return (error); 1249 CP(s32[0], s[0], tv_sec); 1250 CP(s32[0], s[0], tv_usec); 1251 CP(s32[1], s[1], tv_sec); 1252 CP(s32[1], s[1], tv_usec); 1253 sp = s; 1254 } else 1255 sp = NULL; 1256 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1257} 1258 1259 1260int 1261freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1262{ 1263 struct timeval32 tv32; 1264 struct timeval delta, olddelta, *deltap; 1265 int error; 1266 1267 if (uap->delta) { 1268 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1269 if (error) 1270 return (error); 1271 CP(tv32, delta, tv_sec); 1272 CP(tv32, delta, tv_usec); 1273 deltap = δ 1274 } else 1275 deltap = NULL; 1276 error = kern_adjtime(td, deltap, &olddelta); 1277 if (uap->olddelta && error == 0) { 1278 CP(olddelta, tv32, tv_sec); 1279 CP(olddelta, tv32, tv_usec); 1280 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1281 } 1282 return (error); 1283} 1284 1285#ifdef COMPAT_FREEBSD4 1286int 1287freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1288{ 1289 struct statfs32 s32; 1290 struct statfs s; 1291 int error; 1292 1293 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1294 if (error) 1295 return (error); 1296 copy_statfs(&s, &s32); 1297 return (copyout(&s32, uap->buf, sizeof(s32))); 1298} 1299#endif 1300 1301#ifdef COMPAT_FREEBSD4 1302int 1303freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1304{ 1305 struct statfs32 s32; 1306 struct statfs s; 1307 int error; 1308 1309 error = kern_fstatfs(td, uap->fd, &s); 1310 if (error) 1311 return (error); 1312 copy_statfs(&s, &s32); 1313 return (copyout(&s32, uap->buf, sizeof(s32))); 1314} 1315#endif 1316 1317#ifdef COMPAT_FREEBSD4 1318int 1319freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1320{ 1321 struct statfs32 s32; 1322 struct statfs s; 1323 fhandle_t fh; 1324 int error; 1325 1326 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1327 return (error); 1328 error = kern_fhstatfs(td, fh, &s); 1329 if (error) 1330 return (error); 1331 copy_statfs(&s, &s32); 1332 return (copyout(&s32, uap->buf, sizeof(s32))); 1333} 1334#endif 1335 1336int 1337freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1338{ 1339 /* 1340 * Vector through to semsys if it is loaded. 1341 */ 1342 return sysent[SYS_semsys].sy_call(td, uap); 1343} 1344 1345int 1346freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1347{ 1348 switch (uap->which) { 1349 case 2: 1350 return (freebsd32_msgsnd(td, 1351 (struct freebsd32_msgsnd_args *)&uap->a2)); 1352 break; 1353 case 3: 1354 return (freebsd32_msgrcv(td, 1355 (struct freebsd32_msgrcv_args *)&uap->a2)); 1356 break; 1357 default: 1358 /* 1359 * Vector through to msgsys if it is loaded. 1360 */ 1361 return (sysent[SYS_msgsys].sy_call(td, uap)); 1362 break; 1363 } 1364} 1365 1366int 1367freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1368{ 1369 const void *msgp; 1370 long mtype; 1371 int32_t mtype32; 1372 int error; 1373 1374 msgp = PTRIN(uap->msgp); 1375 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1376 return (error); 1377 mtype = mtype32; 1378 return (kern_msgsnd(td, uap->msqid, 1379 (const char *)msgp + sizeof(mtype32), 1380 uap->msgsz, uap->msgflg, mtype)); 1381} 1382 1383int 1384freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1385{ 1386 void *msgp; 1387 long mtype; 1388 int32_t mtype32; 1389 int error; 1390 1391 msgp = PTRIN(uap->msgp); 1392 if ((error = kern_msgrcv(td, uap->msqid, 1393 (char *)msgp + sizeof(mtype32), uap->msgsz, 1394 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1395 return (error); 1396 mtype32 = (int32_t)mtype; 1397 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1398} 1399 1400int 1401freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1402{ 1403 1404 switch (uap->which) { 1405 case 0: { /* shmat */ 1406 struct shmat_args ap; 1407 1408 ap.shmid = uap->a2; 1409 ap.shmaddr = PTRIN(uap->a3); 1410 ap.shmflg = uap->a4; 1411 return (sysent[SYS_shmat].sy_call(td, &ap)); 1412 } 1413 case 2: { /* shmdt */ 1414 struct shmdt_args ap; 1415 1416 ap.shmaddr = PTRIN(uap->a2); 1417 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1418 } 1419 case 3: { /* shmget */ 1420 struct shmget_args ap; 1421 1422 ap.key = uap->a2; 1423 ap.size = uap->a3; 1424 ap.shmflg = uap->a4; 1425 return (sysent[SYS_shmget].sy_call(td, &ap)); 1426 } 1427 case 4: { /* shmctl */ 1428 struct freebsd32_shmctl_args ap; 1429 1430 ap.shmid = uap->a2; 1431 ap.cmd = uap->a3; 1432 ap.buf = PTRIN(uap->a4); 1433 return (freebsd32_shmctl(td, &ap)); 1434 } 1435 case 1: /* oshmctl */ 1436 default: 1437 return (EINVAL); 1438 } 1439} 1440 1441struct ipc_perm32 { 1442 uint16_t cuid; 1443 uint16_t cgid; 1444 uint16_t uid; 1445 uint16_t gid; 1446 uint16_t mode; 1447 uint16_t seq; 1448 uint32_t key; 1449}; 1450struct shmid_ds32 { 1451 struct ipc_perm32 shm_perm; 1452 int32_t shm_segsz; 1453 int32_t shm_lpid; 1454 int32_t shm_cpid; 1455 int16_t shm_nattch; 1456 int32_t shm_atime; 1457 int32_t shm_dtime; 1458 int32_t shm_ctime; 1459 uint32_t shm_internal; 1460}; 1461struct shm_info32 { 1462 int32_t used_ids; 1463 uint32_t shm_tot; 1464 uint32_t shm_rss; 1465 uint32_t shm_swp; 1466 uint32_t swap_attempts; 1467 uint32_t swap_successes; 1468}; 1469struct shminfo32 { 1470 uint32_t shmmax; 1471 uint32_t shmmin; 1472 uint32_t shmmni; 1473 uint32_t shmseg; 1474 uint32_t shmall; 1475}; 1476 1477int 1478freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1479{ 1480 int error = 0; 1481 union { 1482 struct shmid_ds shmid_ds; 1483 struct shm_info shm_info; 1484 struct shminfo shminfo; 1485 } u; 1486 union { 1487 struct shmid_ds32 shmid_ds32; 1488 struct shm_info32 shm_info32; 1489 struct shminfo32 shminfo32; 1490 } u32; 1491 size_t sz; 1492 1493 if (uap->cmd == IPC_SET) { 1494 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1495 sizeof(u32.shmid_ds32)))) 1496 goto done; 1497 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.cuid); 1498 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.cgid); 1499 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.uid); 1500 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.gid); 1501 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.mode); 1502 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.seq); 1503 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.key); 1504 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1505 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1506 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1507 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1508 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1509 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1510 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1511 PTRIN_CP(u32.shmid_ds32, u.shmid_ds, shm_internal); 1512 } 1513 1514 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1515 if (error) 1516 goto done; 1517 1518 /* Cases in which we need to copyout */ 1519 switch (uap->cmd) { 1520 case IPC_INFO: 1521 CP(u.shminfo, u32.shminfo32, shmmax); 1522 CP(u.shminfo, u32.shminfo32, shmmin); 1523 CP(u.shminfo, u32.shminfo32, shmmni); 1524 CP(u.shminfo, u32.shminfo32, shmseg); 1525 CP(u.shminfo, u32.shminfo32, shmall); 1526 error = copyout(&u32.shminfo32, uap->buf, 1527 sizeof(u32.shminfo32)); 1528 break; 1529 case SHM_INFO: 1530 CP(u.shm_info, u32.shm_info32, used_ids); 1531 CP(u.shm_info, u32.shm_info32, shm_rss); 1532 CP(u.shm_info, u32.shm_info32, shm_tot); 1533 CP(u.shm_info, u32.shm_info32, shm_swp); 1534 CP(u.shm_info, u32.shm_info32, swap_attempts); 1535 CP(u.shm_info, u32.shm_info32, swap_successes); 1536 error = copyout(&u32.shm_info32, uap->buf, 1537 sizeof(u32.shm_info32)); 1538 break; 1539 case SHM_STAT: 1540 case IPC_STAT: 1541 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.cuid); 1542 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.cgid); 1543 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.uid); 1544 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.gid); 1545 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.mode); 1546 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.seq); 1547 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.key); 1548 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1549 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1550 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1551 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1552 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1553 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1554 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1555 PTROUT_CP(u.shmid_ds, u32.shmid_ds32, shm_internal); 1556 error = copyout(&u32.shmid_ds32, uap->buf, 1557 sizeof(u32.shmid_ds32)); 1558 break; 1559 } 1560 1561done: 1562 if (error) { 1563 /* Invalidate the return value */ 1564 td->td_retval[0] = -1; 1565 } 1566 return (error); 1567} 1568 1569int 1570freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1571{ 1572 struct pread_args ap; 1573 1574 ap.fd = uap->fd; 1575 ap.buf = uap->buf; 1576 ap.nbyte = uap->nbyte; 1577 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1578 return (pread(td, &ap)); 1579} 1580 1581int 1582freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1583{ 1584 struct pwrite_args ap; 1585 1586 ap.fd = uap->fd; 1587 ap.buf = uap->buf; 1588 ap.nbyte = uap->nbyte; 1589 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1590 return (pwrite(td, &ap)); 1591} 1592 1593int 1594freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1595{ 1596 int error; 1597 struct lseek_args ap; 1598 off_t pos; 1599 1600 ap.fd = uap->fd; 1601 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1602 ap.whence = uap->whence; 1603 error = lseek(td, &ap); 1604 /* Expand the quad return into two parts for eax and edx */ 1605 pos = *(off_t *)(td->td_retval); 1606 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1607 td->td_retval[1] = pos >> 32; /* %edx */ 1608 return error; 1609} 1610 1611int 1612freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1613{ 1614 struct truncate_args ap; 1615 1616 ap.path = uap->path; 1617 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1618 return (truncate(td, &ap)); 1619} 1620 1621int 1622freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1623{ 1624 struct ftruncate_args ap; 1625 1626 ap.fd = uap->fd; 1627 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1628 return (ftruncate(td, &ap)); 1629} 1630 1631#ifdef COMPAT_FREEBSD6 1632/* versions with the 'int pad' argument */ 1633int 1634freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1635{ 1636 struct pread_args ap; 1637 1638 ap.fd = uap->fd; 1639 ap.buf = uap->buf; 1640 ap.nbyte = uap->nbyte; 1641 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1642 return (pread(td, &ap)); 1643} 1644 1645int 1646freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1647{ 1648 struct pwrite_args ap; 1649 1650 ap.fd = uap->fd; 1651 ap.buf = uap->buf; 1652 ap.nbyte = uap->nbyte; 1653 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1654 return (pwrite(td, &ap)); 1655} 1656 1657int 1658freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1659{ 1660 int error; 1661 struct lseek_args ap; 1662 off_t pos; 1663 1664 ap.fd = uap->fd; 1665 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1666 ap.whence = uap->whence; 1667 error = lseek(td, &ap); 1668 /* Expand the quad return into two parts for eax and edx */ 1669 pos = *(off_t *)(td->td_retval); 1670 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1671 td->td_retval[1] = pos >> 32; /* %edx */ 1672 return error; 1673} 1674 1675int 1676freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1677{ 1678 struct truncate_args ap; 1679 1680 ap.path = uap->path; 1681 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1682 return (truncate(td, &ap)); 1683} 1684 1685int 1686freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1687{ 1688 struct ftruncate_args ap; 1689 1690 ap.fd = uap->fd; 1691 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1692 return (ftruncate(td, &ap)); 1693} 1694#endif /* COMPAT_FREEBSD6 */ 1695 1696struct sf_hdtr32 { 1697 uint32_t headers; 1698 int hdr_cnt; 1699 uint32_t trailers; 1700 int trl_cnt; 1701}; 1702 1703static int 1704freebsd32_do_sendfile(struct thread *td, 1705 struct freebsd32_sendfile_args *uap, int compat) 1706{ 1707 struct sendfile_args ap; 1708 struct sf_hdtr32 hdtr32; 1709 struct sf_hdtr hdtr; 1710 struct uio *hdr_uio, *trl_uio; 1711 struct iovec32 *iov32; 1712 int error; 1713 1714 hdr_uio = trl_uio = NULL; 1715 1716 ap.fd = uap->fd; 1717 ap.s = uap->s; 1718 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1719 ap.nbytes = uap->nbytes; 1720 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1721 ap.sbytes = uap->sbytes; 1722 ap.flags = uap->flags; 1723 1724 if (uap->hdtr != NULL) { 1725 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1726 if (error) 1727 goto out; 1728 PTRIN_CP(hdtr32, hdtr, headers); 1729 CP(hdtr32, hdtr, hdr_cnt); 1730 PTRIN_CP(hdtr32, hdtr, trailers); 1731 CP(hdtr32, hdtr, trl_cnt); 1732 1733 if (hdtr.headers != NULL) { 1734 iov32 = PTRIN(hdtr32.headers); 1735 error = freebsd32_copyinuio(iov32, 1736 hdtr32.hdr_cnt, &hdr_uio); 1737 if (error) 1738 goto out; 1739 } 1740 if (hdtr.trailers != NULL) { 1741 iov32 = PTRIN(hdtr32.trailers); 1742 error = freebsd32_copyinuio(iov32, 1743 hdtr32.trl_cnt, &trl_uio); 1744 if (error) 1745 goto out; 1746 } 1747 } 1748 1749 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1750out: 1751 if (hdr_uio) 1752 free(hdr_uio, M_IOV); 1753 if (trl_uio) 1754 free(trl_uio, M_IOV); 1755 return (error); 1756} 1757 1758#ifdef COMPAT_FREEBSD4 1759int 1760freebsd4_freebsd32_sendfile(struct thread *td, 1761 struct freebsd4_freebsd32_sendfile_args *uap) 1762{ 1763 return (freebsd32_do_sendfile(td, 1764 (struct freebsd32_sendfile_args *)uap, 1)); 1765} 1766#endif 1767 1768int 1769freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1770{ 1771 1772 return (freebsd32_do_sendfile(td, uap, 0)); 1773} 1774 1775struct stat32 { 1776 dev_t st_dev; 1777 ino_t st_ino; 1778 mode_t st_mode; 1779 nlink_t st_nlink; 1780 uid_t st_uid; 1781 gid_t st_gid; 1782 dev_t st_rdev; 1783 struct timespec32 st_atimespec; 1784 struct timespec32 st_mtimespec; 1785 struct timespec32 st_ctimespec; 1786 off_t st_size; 1787 int64_t st_blocks; 1788 u_int32_t st_blksize; 1789 u_int32_t st_flags; 1790 u_int32_t st_gen; 1791 struct timespec32 st_birthtimespec; 1792 unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec32)); 1793 unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec32)); 1794}; 1795 1796 1797CTASSERT(sizeof(struct stat32) == 96); 1798 1799static void 1800copy_stat( struct stat *in, struct stat32 *out) 1801{ 1802 CP(*in, *out, st_dev); 1803 CP(*in, *out, st_ino); 1804 CP(*in, *out, st_mode); 1805 CP(*in, *out, st_nlink); 1806 CP(*in, *out, st_uid); 1807 CP(*in, *out, st_gid); 1808 CP(*in, *out, st_rdev); 1809 TS_CP(*in, *out, st_atimespec); 1810 TS_CP(*in, *out, st_mtimespec); 1811 TS_CP(*in, *out, st_ctimespec); 1812 CP(*in, *out, st_size); 1813 CP(*in, *out, st_blocks); 1814 CP(*in, *out, st_blksize); 1815 CP(*in, *out, st_flags); 1816 CP(*in, *out, st_gen); 1817} 1818 1819int 1820freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1821{ 1822 struct stat sb; 1823 struct stat32 sb32; 1824 int error; 1825 1826 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1827 if (error) 1828 return (error); 1829 copy_stat(&sb, &sb32); 1830 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1831 return (error); 1832} 1833 1834int 1835freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1836{ 1837 struct stat ub; 1838 struct stat32 ub32; 1839 int error; 1840 1841 error = kern_fstat(td, uap->fd, &ub); 1842 if (error) 1843 return (error); 1844 copy_stat(&ub, &ub32); 1845 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1846 return (error); 1847} 1848 1849int 1850freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1851{ 1852 struct stat sb; 1853 struct stat32 sb32; 1854 int error; 1855 1856 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1857 if (error) 1858 return (error); 1859 copy_stat(&sb, &sb32); 1860 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1861 return (error); 1862} 1863 1864/* 1865 * MPSAFE 1866 */ 1867int 1868freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1869{ 1870 int error, name[CTL_MAXNAME]; 1871 size_t j, oldlen; 1872 1873 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1874 return (EINVAL); 1875 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1876 if (error) 1877 return (error); 1878 mtx_lock(&Giant); 1879 if (uap->oldlenp) 1880 oldlen = fuword32(uap->oldlenp); 1881 else 1882 oldlen = 0; 1883 error = userland_sysctl(td, name, uap->namelen, 1884 uap->old, &oldlen, 1, 1885 uap->new, uap->newlen, &j, SCTL_MASK32); 1886 if (error && error != ENOMEM) 1887 goto done2; 1888 if (uap->oldlenp) 1889 suword32(uap->oldlenp, j); 1890done2: 1891 mtx_unlock(&Giant); 1892 return (error); 1893} 1894 1895struct sigaction32 { 1896 u_int32_t sa_u; 1897 int sa_flags; 1898 sigset_t sa_mask; 1899}; 1900 1901CTASSERT(sizeof(struct sigaction32) == 24); 1902 1903int 1904freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1905{ 1906 struct sigaction32 s32; 1907 struct sigaction sa, osa, *sap; 1908 int error; 1909 1910 if (uap->act) { 1911 error = copyin(uap->act, &s32, sizeof(s32)); 1912 if (error) 1913 return (error); 1914 sa.sa_handler = PTRIN(s32.sa_u); 1915 CP(s32, sa, sa_flags); 1916 CP(s32, sa, sa_mask); 1917 sap = &sa; 1918 } else 1919 sap = NULL; 1920 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 1921 if (error == 0 && uap->oact != NULL) { 1922 s32.sa_u = PTROUT(osa.sa_handler); 1923 CP(osa, s32, sa_flags); 1924 CP(osa, s32, sa_mask); 1925 error = copyout(&s32, uap->oact, sizeof(s32)); 1926 } 1927 return (error); 1928} 1929 1930#ifdef COMPAT_FREEBSD4 1931int 1932freebsd4_freebsd32_sigaction(struct thread *td, 1933 struct freebsd4_freebsd32_sigaction_args *uap) 1934{ 1935 struct sigaction32 s32; 1936 struct sigaction sa, osa, *sap; 1937 int error; 1938 1939 if (uap->act) { 1940 error = copyin(uap->act, &s32, sizeof(s32)); 1941 if (error) 1942 return (error); 1943 sa.sa_handler = PTRIN(s32.sa_u); 1944 CP(s32, sa, sa_flags); 1945 CP(s32, sa, sa_mask); 1946 sap = &sa; 1947 } else 1948 sap = NULL; 1949 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 1950 if (error == 0 && uap->oact != NULL) { 1951 s32.sa_u = PTROUT(osa.sa_handler); 1952 CP(osa, s32, sa_flags); 1953 CP(osa, s32, sa_mask); 1954 error = copyout(&s32, uap->oact, sizeof(s32)); 1955 } 1956 return (error); 1957} 1958#endif 1959 1960#ifdef COMPAT_43 1961struct osigaction32 { 1962 u_int32_t sa_u; 1963 osigset_t sa_mask; 1964 int sa_flags; 1965}; 1966 1967#define ONSIG 32 1968 1969int 1970ofreebsd32_sigaction(struct thread *td, 1971 struct ofreebsd32_sigaction_args *uap) 1972{ 1973 struct osigaction32 s32; 1974 struct sigaction sa, osa, *sap; 1975 int error; 1976 1977 if (uap->signum <= 0 || uap->signum >= ONSIG) 1978 return (EINVAL); 1979 1980 if (uap->nsa) { 1981 error = copyin(uap->nsa, &s32, sizeof(s32)); 1982 if (error) 1983 return (error); 1984 sa.sa_handler = PTRIN(s32.sa_u); 1985 CP(s32, sa, sa_flags); 1986 OSIG2SIG(s32.sa_mask, sa.sa_mask); 1987 sap = &sa; 1988 } else 1989 sap = NULL; 1990 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 1991 if (error == 0 && uap->osa != NULL) { 1992 s32.sa_u = PTROUT(osa.sa_handler); 1993 CP(osa, s32, sa_flags); 1994 SIG2OSIG(osa.sa_mask, s32.sa_mask); 1995 error = copyout(&s32, uap->osa, sizeof(s32)); 1996 } 1997 return (error); 1998} 1999 2000int 2001ofreebsd32_sigprocmask(struct thread *td, 2002 struct ofreebsd32_sigprocmask_args *uap) 2003{ 2004 sigset_t set, oset; 2005 int error; 2006 2007 OSIG2SIG(uap->mask, set); 2008 error = kern_sigprocmask(td, uap->how, &set, &oset, 1); 2009 SIG2OSIG(oset, td->td_retval[0]); 2010 return (error); 2011} 2012 2013int 2014ofreebsd32_sigpending(struct thread *td, 2015 struct ofreebsd32_sigpending_args *uap) 2016{ 2017 struct proc *p = td->td_proc; 2018 sigset_t siglist; 2019 2020 PROC_LOCK(p); 2021 siglist = p->p_siglist; 2022 SIGSETOR(siglist, td->td_siglist); 2023 PROC_UNLOCK(p); 2024 SIG2OSIG(siglist, td->td_retval[0]); 2025 return (0); 2026} 2027 2028struct sigvec32 { 2029 u_int32_t sv_handler; 2030 int sv_mask; 2031 int sv_flags; 2032}; 2033 2034int 2035ofreebsd32_sigvec(struct thread *td, 2036 struct ofreebsd32_sigvec_args *uap) 2037{ 2038 struct sigvec32 vec; 2039 struct sigaction sa, osa, *sap; 2040 int error; 2041 2042 if (uap->signum <= 0 || uap->signum >= ONSIG) 2043 return (EINVAL); 2044 2045 if (uap->nsv) { 2046 error = copyin(uap->nsv, &vec, sizeof(vec)); 2047 if (error) 2048 return (error); 2049 sa.sa_handler = PTRIN(vec.sv_handler); 2050 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2051 sa.sa_flags = vec.sv_flags; 2052 sa.sa_flags ^= SA_RESTART; 2053 sap = &sa; 2054 } else 2055 sap = NULL; 2056 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2057 if (error == 0 && uap->osv != NULL) { 2058 vec.sv_handler = PTROUT(osa.sa_handler); 2059 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2060 vec.sv_flags = osa.sa_flags; 2061 vec.sv_flags &= ~SA_NOCLDWAIT; 2062 vec.sv_flags ^= SA_RESTART; 2063 error = copyout(&vec, uap->osv, sizeof(vec)); 2064 } 2065 return (error); 2066} 2067 2068int 2069ofreebsd32_sigblock(struct thread *td, 2070 struct ofreebsd32_sigblock_args *uap) 2071{ 2072 struct proc *p = td->td_proc; 2073 sigset_t set; 2074 2075 OSIG2SIG(uap->mask, set); 2076 SIG_CANTMASK(set); 2077 PROC_LOCK(p); 2078 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2079 SIGSETOR(td->td_sigmask, set); 2080 PROC_UNLOCK(p); 2081 return (0); 2082} 2083 2084int 2085ofreebsd32_sigsetmask(struct thread *td, 2086 struct ofreebsd32_sigsetmask_args *uap) 2087{ 2088 struct proc *p = td->td_proc; 2089 sigset_t set; 2090 2091 OSIG2SIG(uap->mask, set); 2092 SIG_CANTMASK(set); 2093 PROC_LOCK(p); 2094 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2095 SIGSETLO(td->td_sigmask, set); 2096 signotify(td); 2097 PROC_UNLOCK(p); 2098 return (0); 2099} 2100 2101int 2102ofreebsd32_sigsuspend(struct thread *td, 2103 struct ofreebsd32_sigsuspend_args *uap) 2104{ 2105 struct proc *p = td->td_proc; 2106 sigset_t mask; 2107 2108 PROC_LOCK(p); 2109 td->td_oldsigmask = td->td_sigmask; 2110 td->td_pflags |= TDP_OLDMASK; 2111 OSIG2SIG(uap->mask, mask); 2112 SIG_CANTMASK(mask); 2113 SIGSETLO(td->td_sigmask, mask); 2114 signotify(td); 2115 while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE|PCATCH, "opause", 0) == 0) 2116 /* void */; 2117 PROC_UNLOCK(p); 2118 /* always return EINTR rather than ERESTART... */ 2119 return (EINTR); 2120} 2121 2122struct sigstack32 { 2123 u_int32_t ss_sp; 2124 int ss_onstack; 2125}; 2126 2127int 2128ofreebsd32_sigstack(struct thread *td, 2129 struct ofreebsd32_sigstack_args *uap) 2130{ 2131 struct sigstack32 s32; 2132 struct sigstack nss, oss; 2133 int error = 0, unss; 2134 2135 if (uap->nss != NULL) { 2136 error = copyin(uap->nss, &s32, sizeof(s32)); 2137 if (error) 2138 return (error); 2139 nss.ss_sp = PTRIN(s32.ss_sp); 2140 CP(s32, nss, ss_onstack); 2141 unss = 1; 2142 } else { 2143 unss = 0; 2144 } 2145 oss.ss_sp = td->td_sigstk.ss_sp; 2146 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2147 if (unss) { 2148 td->td_sigstk.ss_sp = nss.ss_sp; 2149 td->td_sigstk.ss_size = 0; 2150 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2151 td->td_pflags |= TDP_ALTSTACK; 2152 } 2153 if (uap->oss != NULL) { 2154 s32.ss_sp = PTROUT(oss.ss_sp); 2155 CP(oss, s32, ss_onstack); 2156 error = copyout(&s32, uap->oss, sizeof(s32)); 2157 } 2158 return (error); 2159} 2160#endif 2161 2162int 2163freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2164{ 2165 struct timespec32 rmt32, rqt32; 2166 struct timespec rmt, rqt; 2167 int error; 2168 2169 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2170 if (error) 2171 return (error); 2172 2173 CP(rqt32, rqt, tv_sec); 2174 CP(rqt32, rqt, tv_nsec); 2175 2176 if (uap->rmtp && 2177 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2178 return (EFAULT); 2179 error = kern_nanosleep(td, &rqt, &rmt); 2180 if (error && uap->rmtp) { 2181 int error2; 2182 2183 CP(rmt, rmt32, tv_sec); 2184 CP(rmt, rmt32, tv_nsec); 2185 2186 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2187 if (error2) 2188 error = error2; 2189 } 2190 return (error); 2191} 2192 2193int 2194freebsd32_clock_gettime(struct thread *td, 2195 struct freebsd32_clock_gettime_args *uap) 2196{ 2197 struct timespec ats; 2198 struct timespec32 ats32; 2199 int error; 2200 2201 error = kern_clock_gettime(td, uap->clock_id, &ats); 2202 if (error == 0) { 2203 CP(ats, ats32, tv_sec); 2204 CP(ats, ats32, tv_nsec); 2205 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2206 } 2207 return (error); 2208} 2209 2210int 2211freebsd32_clock_settime(struct thread *td, 2212 struct freebsd32_clock_settime_args *uap) 2213{ 2214 struct timespec ats; 2215 struct timespec32 ats32; 2216 int error; 2217 2218 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2219 if (error) 2220 return (error); 2221 CP(ats32, ats, tv_sec); 2222 CP(ats32, ats, tv_nsec); 2223 2224 return (kern_clock_settime(td, uap->clock_id, &ats)); 2225} 2226 2227int 2228freebsd32_clock_getres(struct thread *td, 2229 struct freebsd32_clock_getres_args *uap) 2230{ 2231 struct timespec ts; 2232 struct timespec32 ts32; 2233 int error; 2234 2235 if (uap->tp == NULL) 2236 return (0); 2237 error = kern_clock_getres(td, uap->clock_id, &ts); 2238 if (error == 0) { 2239 CP(ts, ts32, tv_sec); 2240 CP(ts, ts32, tv_nsec); 2241 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2242 } 2243 return (error); 2244} 2245 2246int 2247freebsd32_thr_new(struct thread *td, 2248 struct freebsd32_thr_new_args *uap) 2249{ 2250 struct thr_param32 param32; 2251 struct thr_param param; 2252 int error; 2253 2254 if (uap->param_size < 0 || 2255 uap->param_size > sizeof(struct thr_param32)) 2256 return (EINVAL); 2257 bzero(¶m, sizeof(struct thr_param)); 2258 bzero(¶m32, sizeof(struct thr_param32)); 2259 error = copyin(uap->param, ¶m32, uap->param_size); 2260 if (error != 0) 2261 return (error); 2262 param.start_func = PTRIN(param32.start_func); 2263 param.arg = PTRIN(param32.arg); 2264 param.stack_base = PTRIN(param32.stack_base); 2265 param.stack_size = param32.stack_size; 2266 param.tls_base = PTRIN(param32.tls_base); 2267 param.tls_size = param32.tls_size; 2268 param.child_tid = PTRIN(param32.child_tid); 2269 param.parent_tid = PTRIN(param32.parent_tid); 2270 param.flags = param32.flags; 2271 param.rtp = PTRIN(param32.rtp); 2272 param.spare[0] = PTRIN(param32.spare[0]); 2273 param.spare[1] = PTRIN(param32.spare[1]); 2274 param.spare[2] = PTRIN(param32.spare[2]); 2275 2276 return (kern_thr_new(td, ¶m)); 2277} 2278 2279int 2280freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2281{ 2282 struct timespec32 ts32; 2283 struct timespec ts, *tsp; 2284 int error; 2285 2286 error = 0; 2287 tsp = NULL; 2288 if (uap->timeout != NULL) { 2289 error = copyin((const void *)uap->timeout, (void *)&ts32, 2290 sizeof(struct timespec32)); 2291 if (error != 0) 2292 return (error); 2293 ts.tv_sec = ts32.tv_sec; 2294 ts.tv_nsec = ts32.tv_nsec; 2295 tsp = &ts; 2296 } 2297 return (kern_thr_suspend(td, tsp)); 2298} 2299 2300void 2301siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2302{ 2303 bzero(dst, sizeof(*dst)); 2304 dst->si_signo = src->si_signo; 2305 dst->si_errno = src->si_errno; 2306 dst->si_code = src->si_code; 2307 dst->si_pid = src->si_pid; 2308 dst->si_uid = src->si_uid; 2309 dst->si_status = src->si_status; 2310 dst->si_addr = dst->si_addr; 2311 dst->si_value.sigval_int = src->si_value.sival_int; 2312 dst->si_timerid = src->si_timerid; 2313 dst->si_overrun = src->si_overrun; 2314} 2315 2316int 2317freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2318{ 2319 struct timespec32 ts32; 2320 struct timespec ts; 2321 struct timespec *timeout; 2322 sigset_t set; 2323 ksiginfo_t ksi; 2324 struct siginfo32 si32; 2325 int error; 2326 2327 if (uap->timeout) { 2328 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2329 if (error) 2330 return (error); 2331 ts.tv_sec = ts32.tv_sec; 2332 ts.tv_nsec = ts32.tv_nsec; 2333 timeout = &ts; 2334 } else 2335 timeout = NULL; 2336 2337 error = copyin(uap->set, &set, sizeof(set)); 2338 if (error) 2339 return (error); 2340 2341 error = kern_sigtimedwait(td, set, &ksi, timeout); 2342 if (error) 2343 return (error); 2344 2345 if (uap->info) { 2346 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2347 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2348 } 2349 2350 if (error == 0) 2351 td->td_retval[0] = ksi.ksi_signo; 2352 return (error); 2353} 2354 2355/* 2356 * MPSAFE 2357 */ 2358int 2359freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2360{ 2361 ksiginfo_t ksi; 2362 struct siginfo32 si32; 2363 sigset_t set; 2364 int error; 2365 2366 error = copyin(uap->set, &set, sizeof(set)); 2367 if (error) 2368 return (error); 2369 2370 error = kern_sigtimedwait(td, set, &ksi, NULL); 2371 if (error) 2372 return (error); 2373 2374 if (uap->info) { 2375 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2376 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2377 } 2378 if (error == 0) 2379 td->td_retval[0] = ksi.ksi_signo; 2380 return (error); 2381} 2382 2383#if 0 2384 2385int 2386freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2387{ 2388 int error; 2389 struct yyy32 *p32, s32; 2390 struct yyy *p = NULL, s; 2391 2392 if (uap->zzz) { 2393 error = copyin(uap->zzz, &s32, sizeof(s32)); 2394 if (error) 2395 return (error); 2396 /* translate in */ 2397 p = &s; 2398 } 2399 error = kern_xxx(td, p); 2400 if (error) 2401 return (error); 2402 if (uap->zzz) { 2403 /* translate out */ 2404 error = copyout(&s32, p32, sizeof(s32)); 2405 } 2406 return (error); 2407} 2408 2409#endif 2410