freebsd32_misc.c revision 255426
1139825Simp/*- 245386Swpaul * Copyright (c) 2002 Doug Rabson 345386Swpaul * All rights reserved. 445386Swpaul * 545386Swpaul * Redistribution and use in source and binary forms, with or without 645386Swpaul * modification, are permitted provided that the following conditions 745386Swpaul * are met: 845386Swpaul * 1. Redistributions of source code must retain the above copyright 945386Swpaul * notice, this list of conditions and the following disclaimer. 1045386Swpaul * 2. Redistributions in binary form must reproduce the above copyright 1145386Swpaul * notice, this list of conditions and the following disclaimer in the 1245386Swpaul * documentation and/or other materials provided with the distribution. 1345386Swpaul * 1445386Swpaul * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1545386Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1645386Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1745386Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1845386Swpaul * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1945386Swpaul * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2045386Swpaul * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2145386Swpaul * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2245386Swpaul * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2345386Swpaul * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2445386Swpaul * SUCH DAMAGE. 2545386Swpaul */ 2645386Swpaul 2745386Swpaul#include <sys/cdefs.h> 2845386Swpaul__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 255426 2013-09-09 18:11:59Z jhb $"); 2945386Swpaul 3045386Swpaul#include "opt_compat.h" 3145386Swpaul#include "opt_inet.h" 3250477Speter#include "opt_inet6.h" 3345386Swpaul 3445386Swpaul#define __ELF_WORD_SIZE 32 3545386Swpaul 3645386Swpaul#include <sys/param.h> 3745386Swpaul#include <sys/bus.h> 3845386Swpaul#include <sys/capability.h> 3945386Swpaul#include <sys/clock.h> 4045386Swpaul#include <sys/exec.h> 4145386Swpaul#include <sys/fcntl.h> 4245386Swpaul#include <sys/filedesc.h> 4345386Swpaul#include <sys/imgact.h> 4445386Swpaul#include <sys/jail.h> 4545386Swpaul#include <sys/kernel.h> 4645386Swpaul#include <sys/limits.h> 4745386Swpaul#include <sys/linker.h> 4845386Swpaul#include <sys/lock.h> 4945386Swpaul#include <sys/malloc.h> 5045386Swpaul#include <sys/file.h> /* Must come after sys/malloc.h */ 5145386Swpaul#include <sys/imgact.h> 5245386Swpaul#include <sys/mbuf.h> 5345386Swpaul#include <sys/mman.h> 5445386Swpaul#include <sys/module.h> 5545386Swpaul#include <sys/mount.h> 5645386Swpaul#include <sys/mutex.h> 5745386Swpaul#include <sys/namei.h> 5845386Swpaul#include <sys/proc.h> 5945386Swpaul#include <sys/reboot.h> 6045386Swpaul#include <sys/resource.h> 6145386Swpaul#include <sys/resourcevar.h> 6245386Swpaul#include <sys/selinfo.h> 6363699Swpaul#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 6445386Swpaul#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 6545386Swpaul#include <sys/signal.h> 6645386Swpaul#include <sys/signalvar.h> 6745386Swpaul#include <sys/socket.h> 6845386Swpaul#include <sys/socketvar.h> 6945386Swpaul#include <sys/stat.h> 7045386Swpaul#include <sys/syscall.h> 7145386Swpaul#include <sys/syscallsubr.h> 7245386Swpaul#include <sys/sysctl.h> 7345386Swpaul#include <sys/sysent.h> 7445386Swpaul#include <sys/sysproto.h> 7545386Swpaul#include <sys/systm.h> 7664139Swpaul#include <sys/thr.h> 7745386Swpaul#include <sys/unistd.h> 7845386Swpaul#include <sys/ucontext.h> 7945386Swpaul#include <sys/vnode.h> 8045386Swpaul#include <sys/wait.h> 8145386Swpaul#include <sys/ipc.h> 8245386Swpaul#include <sys/msg.h> 8345386Swpaul#include <sys/sem.h> 8445386Swpaul#include <sys/shm.h> 8556206Swpaul 8656206Swpaul#ifdef INET 8756206Swpaul#include <netinet/in.h> 8856206Swpaul#endif 8956206Swpaul 9056206Swpaul#include <vm/vm.h> 9156206Swpaul#include <vm/vm_param.h> 9245386Swpaul#include <vm/pmap.h> 9345386Swpaul#include <vm/vm_map.h> 9445386Swpaul#include <vm/vm_object.h> 9545386Swpaul#include <vm/vm_extern.h> 9645386Swpaul 9745386Swpaul#include <machine/cpu.h> 9845386Swpaul#include <machine/elf.h> 9945386Swpaul 10045386Swpaul#include <security/audit/audit.h> 10145386Swpaul 10245386Swpaul#include <compat/freebsd32/freebsd32_util.h> 10345386Swpaul#include <compat/freebsd32/freebsd32.h> 10445386Swpaul#include <compat/freebsd32/freebsd32_ipc.h> 10545386Swpaul#include <compat/freebsd32/freebsd32_misc.h> 10645386Swpaul#include <compat/freebsd32/freebsd32_signal.h> 10745386Swpaul#include <compat/freebsd32/freebsd32_proto.h> 10845386Swpaul 10945386SwpaulFEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 11045386Swpaul 11145386Swpaul#ifndef __mips__ 11245386SwpaulCTASSERT(sizeof(struct timeval32) == 8); 11345386SwpaulCTASSERT(sizeof(struct timespec32) == 8); 11445386SwpaulCTASSERT(sizeof(struct itimerval32) == 16); 11545386Swpaul#endif 11645386SwpaulCTASSERT(sizeof(struct statfs32) == 256); 11745386Swpaul#ifndef __mips__ 11845386SwpaulCTASSERT(sizeof(struct rusage32) == 72); 11945386Swpaul#endif 12045386SwpaulCTASSERT(sizeof(struct sigaltstack32) == 12); 12145386SwpaulCTASSERT(sizeof(struct kevent32) == 20); 12245386SwpaulCTASSERT(sizeof(struct iovec32) == 8); 12345386SwpaulCTASSERT(sizeof(struct msghdr32) == 28); 12445386Swpaul#ifndef __mips__ 12545386SwpaulCTASSERT(sizeof(struct stat32) == 96); 12645386Swpaul#endif 12745386SwpaulCTASSERT(sizeof(struct sigaction32) == 24); 12845386Swpaul 12945386Swpaulstatic int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 13045386Swpaulstatic int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 13145386Swpaul 13245386Swpaulvoid 13345386Swpaulfreebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 13445386Swpaul{ 13545386Swpaul 13645386Swpaul TV_CP(*s, *s32, ru_utime); 13745386Swpaul TV_CP(*s, *s32, ru_stime); 13845386Swpaul CP(*s, *s32, ru_maxrss); 13963699Swpaul CP(*s, *s32, ru_ixrss); 14098849Sken CP(*s, *s32, ru_idrss); 14145386Swpaul CP(*s, *s32, ru_isrss); 14245386Swpaul CP(*s, *s32, ru_minflt); 14345386Swpaul CP(*s, *s32, ru_majflt); 14445386Swpaul CP(*s, *s32, ru_nswap); 14545386Swpaul CP(*s, *s32, ru_inblock); 14645386Swpaul CP(*s, *s32, ru_oublock); 14745386Swpaul CP(*s, *s32, ru_msgsnd); 14845386Swpaul CP(*s, *s32, ru_msgrcv); 14945386Swpaul CP(*s, *s32, ru_nsignals); 15045386Swpaul CP(*s, *s32, ru_nvcsw); 15145386Swpaul CP(*s, *s32, ru_nivcsw); 15245386Swpaul} 15345386Swpaul 15445386Swpaulint 15576033Swpaulfreebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 15676033Swpaul{ 15776033Swpaul int error, status; 15876033Swpaul struct rusage32 ru32; 15976033Swpaul struct rusage ru, *rup; 16076033Swpaul 16145386Swpaul if (uap->rusage != NULL) 16245386Swpaul rup = &ru; 16345386Swpaul else 16445386Swpaul rup = NULL; 16545386Swpaul error = kern_wait(td, uap->pid, &status, uap->options, rup); 16645386Swpaul if (error) 16745386Swpaul return (error); 16845386Swpaul if (uap->status != NULL) 16945386Swpaul error = copyout(&status, uap->status, sizeof(status)); 17045386Swpaul if (uap->rusage != NULL && error == 0) { 17145386Swpaul freebsd32_rusage_out(&ru, &ru32); 17245386Swpaul error = copyout(&ru32, uap->rusage, sizeof(ru32)); 17345386Swpaul } 17445386Swpaul return (error); 17545386Swpaul} 17645386Swpaul 17745386Swpaulint 17845386Swpaulfreebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 17945386Swpaul{ 18045386Swpaul struct wrusage32 wru32; 18145386Swpaul struct __wrusage wru, *wrup; 18245386Swpaul struct siginfo32 si32; 18345386Swpaul struct __siginfo si, *sip; 18445386Swpaul int error, status; 18545386Swpaul 18645386Swpaul if (uap->wrusage != NULL) 18745386Swpaul wrup = &wru; 18845386Swpaul else 18945386Swpaul wrup = NULL; 19045386Swpaul if (uap->info != NULL) { 19145386Swpaul sip = &si; 19245386Swpaul bzero(sip, sizeof(*sip)); 19345386Swpaul } else 19445386Swpaul sip = NULL; 19545386Swpaul error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 19645386Swpaul &status, uap->options, wrup, sip); 19745386Swpaul if (error != 0) 19845386Swpaul return (error); 19945386Swpaul if (uap->status != NULL) 20045386Swpaul error = copyout(&status, uap->status, sizeof(status)); 20145386Swpaul if (uap->wrusage != NULL && error == 0) { 20245386Swpaul freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 20345386Swpaul freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 20445386Swpaul error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 20545386Swpaul } 20645386Swpaul if (uap->info != NULL && error == 0) { 20745386Swpaul siginfo_to_siginfo32 (&si, &si32); 20845386Swpaul error = copyout(&si32, uap->info, sizeof(si32)); 20945386Swpaul } 21045386Swpaul return (error); 21145386Swpaul} 21245386Swpaul 21345386Swpaul#ifdef COMPAT_FREEBSD4 21445386Swpaulstatic void 21545386Swpaulcopy_statfs(struct statfs *in, struct statfs32 *out) 21645386Swpaul{ 21745386Swpaul 21845386Swpaul statfs_scale_blocks(in, INT32_MAX); 21945386Swpaul bzero(out, sizeof(*out)); 22045386Swpaul CP(*in, *out, f_bsize); 22145386Swpaul out->f_iosize = MIN(in->f_iosize, INT32_MAX); 22245386Swpaul CP(*in, *out, f_blocks); 22345386Swpaul CP(*in, *out, f_bfree); 22445386Swpaul CP(*in, *out, f_bavail); 22545386Swpaul out->f_files = MIN(in->f_files, INT32_MAX); 22645386Swpaul out->f_ffree = MIN(in->f_ffree, INT32_MAX); 22745386Swpaul CP(*in, *out, f_fsid); 22845386Swpaul CP(*in, *out, f_owner); 22945386Swpaul CP(*in, *out, f_type); 23045386Swpaul CP(*in, *out, f_flags); 23145386Swpaul out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 23245386Swpaul out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 23345386Swpaul strlcpy(out->f_fstypename, 23445386Swpaul in->f_fstypename, MFSNAMELEN); 23545386Swpaul strlcpy(out->f_mntonname, 23645386Swpaul in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 23745386Swpaul out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 23845386Swpaul out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 23945386Swpaul strlcpy(out->f_mntfromname, 24045386Swpaul in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 24145386Swpaul} 24245386Swpaul#endif 24345386Swpaul 24445386Swpaul#ifdef COMPAT_FREEBSD4 24545386Swpaulint 24645386Swpaulfreebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 24745386Swpaul{ 24845386Swpaul struct statfs *buf, *sp; 24945386Swpaul struct statfs32 stat32; 25045386Swpaul size_t count, size; 25145386Swpaul int error; 25245386Swpaul 25345386Swpaul count = uap->bufsize / sizeof(struct statfs32); 25445386Swpaul size = count * sizeof(struct statfs); 25545386Swpaul error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 25645386Swpaul if (size > 0) { 25745386Swpaul count = td->td_retval[0]; 25845386Swpaul sp = buf; 25945386Swpaul while (count > 0 && error == 0) { 26045386Swpaul copy_statfs(sp, &stat32); 26145386Swpaul error = copyout(&stat32, uap->buf, sizeof(stat32)); 26245386Swpaul sp++; 26345386Swpaul uap->buf++; 26445386Swpaul count--; 26545386Swpaul } 26645386Swpaul free(buf, M_TEMP); 26745386Swpaul } 26845386Swpaul return (error); 26945386Swpaul} 27045386Swpaul#endif 27145386Swpaul 27245386Swpaulint 27345386Swpaulfreebsd32_sigaltstack(struct thread *td, 27445386Swpaul struct freebsd32_sigaltstack_args *uap) 27545386Swpaul{ 27645386Swpaul struct sigaltstack32 s32; 27745386Swpaul struct sigaltstack ss, oss, *ssp; 27845386Swpaul int error; 27945386Swpaul 28045386Swpaul if (uap->ss != NULL) { 28145386Swpaul error = copyin(uap->ss, &s32, sizeof(s32)); 28245386Swpaul if (error) 28345386Swpaul return (error); 28445386Swpaul PTRIN_CP(s32, ss, ss_sp); 28545386Swpaul CP(s32, ss, ss_size); 28645386Swpaul CP(s32, ss, ss_flags); 28745386Swpaul ssp = &ss; 28845386Swpaul } else 28945386Swpaul ssp = NULL; 29045386Swpaul error = kern_sigaltstack(td, ssp, &oss); 29145386Swpaul if (error == 0 && uap->oss != NULL) { 29245386Swpaul PTROUT_CP(oss, s32, ss_sp); 29345386Swpaul CP(oss, s32, ss_size); 29445386Swpaul CP(oss, s32, ss_flags); 29545386Swpaul error = copyout(&s32, uap->oss, sizeof(s32)); 29645386Swpaul } 29745386Swpaul return (error); 29845386Swpaul} 29945386Swpaul 30045386Swpaul/* 30145386Swpaul * Custom version of exec_copyin_args() so that we can translate 30245386Swpaul * the pointers. 30345386Swpaul */ 30445386Swpaulint 30545386Swpaulfreebsd32_exec_copyin_args(struct image_args *args, char *fname, 30645386Swpaul enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 30745386Swpaul{ 30845386Swpaul char *argp, *envp; 30945386Swpaul u_int32_t *p32, arg; 31045386Swpaul size_t length; 31145386Swpaul int error; 31245386Swpaul 31345386Swpaul bzero(args, sizeof(*args)); 31445386Swpaul if (argv == NULL) 31545386Swpaul return (EFAULT); 31645386Swpaul 31745386Swpaul /* 31845386Swpaul * Allocate demand-paged memory for the file name, argument, and 31945386Swpaul * environment strings. 32045386Swpaul */ 32145386Swpaul error = exec_alloc_args(args); 322153770Syongari if (error != 0) 32345386Swpaul return (error); 32445386Swpaul 32545386Swpaul /* 32645386Swpaul * Copy the file name. 32745386Swpaul */ 32845386Swpaul if (fname != NULL) { 32945386Swpaul args->fname = args->buf; 33045386Swpaul error = (segflg == UIO_SYSSPACE) ? 33145386Swpaul copystr(fname, args->fname, PATH_MAX, &length) : 33245386Swpaul copyinstr(fname, args->fname, PATH_MAX, &length); 33345386Swpaul if (error != 0) 33445386Swpaul goto err_exit; 33545386Swpaul } else 33645386Swpaul length = 0; 33745386Swpaul 33845386Swpaul args->begin_argv = args->buf + length; 33945386Swpaul args->endp = args->begin_argv; 34045386Swpaul args->stringspace = ARG_MAX; 34145386Swpaul 34245386Swpaul /* 34345386Swpaul * extract arguments first 34445386Swpaul */ 34545386Swpaul p32 = argv; 34645386Swpaul for (;;) { 34745386Swpaul error = copyin(p32++, &arg, sizeof(arg)); 34845386Swpaul if (error) 34945386Swpaul goto err_exit; 35045386Swpaul if (arg == 0) 35198849Sken break; 35245386Swpaul argp = PTRIN(arg); 35345386Swpaul error = copyinstr(argp, args->endp, args->stringspace, &length); 35445386Swpaul if (error) { 35545386Swpaul if (error == ENAMETOOLONG) 35645386Swpaul error = E2BIG; 35745386Swpaul goto err_exit; 35845386Swpaul } 35945386Swpaul args->stringspace -= length; 36045386Swpaul args->endp += length; 36145386Swpaul args->argc++; 36245386Swpaul } 36345386Swpaul 36445386Swpaul args->begin_envv = args->endp; 36545386Swpaul 36645386Swpaul /* 36745386Swpaul * extract environment strings 36845386Swpaul */ 36945386Swpaul if (envv) { 37045386Swpaul p32 = envv; 37145386Swpaul for (;;) { 37245386Swpaul error = copyin(p32++, &arg, sizeof(arg)); 37345386Swpaul if (error) 37445386Swpaul goto err_exit; 37545386Swpaul if (arg == 0) 37645386Swpaul break; 37745386Swpaul envp = PTRIN(arg); 37845386Swpaul error = copyinstr(envp, args->endp, args->stringspace, 37945386Swpaul &length); 38045386Swpaul if (error) { 38145386Swpaul if (error == ENAMETOOLONG) 38245386Swpaul error = E2BIG; 38345386Swpaul goto err_exit; 38445386Swpaul } 38545386Swpaul args->stringspace -= length; 38645386Swpaul args->endp += length; 38745386Swpaul args->envc++; 38845386Swpaul } 38945386Swpaul } 39045386Swpaul 39145386Swpaul return (0); 39245386Swpaul 39345386Swpaulerr_exit: 39445386Swpaul exec_free_args(args); 39545386Swpaul return (error); 39645386Swpaul} 39745386Swpaul 39845386Swpaulint 39945386Swpaulfreebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 40045386Swpaul{ 40145386Swpaul struct image_args eargs; 402153982Syongari int error; 403229441Syongari 404229441Syongari error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 405153396Sscottl uap->argv, uap->envv); 40645386Swpaul if (error == 0) 40745386Swpaul error = kern_execve(td, &eargs, NULL); 40845386Swpaul return (error); 40945386Swpaul} 41045386Swpaul 41145386Swpaulint 41245386Swpaulfreebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 41345386Swpaul{ 41445386Swpaul struct image_args eargs; 41545386Swpaul int error; 41645386Swpaul 41745386Swpaul error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 41845386Swpaul uap->argv, uap->envv); 41945386Swpaul if (error == 0) { 42045386Swpaul eargs.fd = uap->fd; 42145386Swpaul error = kern_execve(td, &eargs, NULL); 42245386Swpaul } 42345386Swpaul return (error); 42445386Swpaul} 42545386Swpaul 42645386Swpaul#ifdef __ia64__ 42745386Swpaulstatic int 42845386Swpaulfreebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 42945386Swpaul int prot, int fd, off_t pos) 43045386Swpaul{ 43198849Sken vm_map_t map; 43298849Sken vm_map_entry_t entry; 43398849Sken int rv; 43498849Sken 43598849Sken map = &td->td_proc->p_vmspace->vm_map; 43698849Sken if (fd != -1) 43798849Sken prot |= VM_PROT_WRITE; 43898849Sken 43998849Sken if (vm_map_lookup_entry(map, start, &entry)) { 44098849Sken if ((entry->protection & prot) != prot) { 44198849Sken rv = vm_map_protect(map, 44298849Sken trunc_page(start), 44398849Sken round_page(end), 44498849Sken entry->protection | prot, 44598849Sken FALSE); 44698849Sken if (rv != KERN_SUCCESS) 44798849Sken return (EINVAL); 44898849Sken } 44998849Sken } else { 45098849Sken vm_offset_t addr = trunc_page(start); 45198849Sken rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0, 45298849Sken VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 45398849Sken if (rv != KERN_SUCCESS) 45498849Sken return (EINVAL); 45598849Sken } 45698849Sken 45798849Sken if (fd != -1) { 45898849Sken struct pread_args r; 45998849Sken r.fd = fd; 46098849Sken r.buf = (void *) start; 46198849Sken r.nbyte = end - start; 46298849Sken r.offset = pos; 46398849Sken return (sys_pread(td, &r)); 46498849Sken } else { 46598849Sken while (start < end) { 46698849Sken subyte((void *) start, 0); 46798849Sken start++; 46898849Sken } 46998849Sken return (0); 47098849Sken } 47198849Sken} 47298849Sken#endif 47398849Sken 47498849Skenint 47598849Skenfreebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 47698849Sken{ 47798849Sken struct mprotect_args ap; 47845386Swpaul 47945386Swpaul ap.addr = PTRIN(uap->addr); 48045386Swpaul ap.len = uap->len; 48145386Swpaul ap.prot = uap->prot; 482229404Syongari#if defined(__amd64__) || defined(__ia64__) 483229404Syongari if (i386_read_exec && (ap.prot & PROT_READ) != 0) 48445386Swpaul ap.prot |= PROT_EXEC; 48545386Swpaul#endif 486153396Sscottl return (sys_mprotect(td, &ap)); 487153396Sscottl} 488153396Sscottl 489153396Sscottlint 490153396Sscottlfreebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 491153396Sscottl{ 492153396Sscottl struct mmap_args ap; 493153396Sscottl vm_offset_t addr = (vm_offset_t) uap->addr; 494153396Sscottl vm_size_t len = uap->len; 495153396Sscottl int prot = uap->prot; 496153396Sscottl int flags = uap->flags; 497153396Sscottl int fd = uap->fd; 49845386Swpaul off_t pos = PAIR32TO64(off_t,uap->pos); 49945386Swpaul#ifdef __ia64__ 50045386Swpaul vm_size_t pageoff; 50145386Swpaul int error; 50245386Swpaul 50345386Swpaul /* 50445386Swpaul * Attempt to handle page size hassles. 50545386Swpaul */ 50645386Swpaul pageoff = (pos & PAGE_MASK); 50745386Swpaul if (flags & MAP_FIXED) { 50845386Swpaul vm_offset_t start, end; 50945386Swpaul start = addr; 51045386Swpaul end = addr + len; 51145386Swpaul 51245386Swpaul if (start != trunc_page(start)) { 51345386Swpaul error = freebsd32_mmap_partial(td, start, 51445386Swpaul round_page(start), prot, 51545386Swpaul fd, pos); 51645386Swpaul if (fd != -1) 51745386Swpaul pos += round_page(start) - start; 51845386Swpaul start = round_page(start); 51945386Swpaul } 52045386Swpaul if (end != round_page(end)) { 521229404Syongari vm_offset_t t = trunc_page(end); 522229404Syongari error = freebsd32_mmap_partial(td, t, end, 52345386Swpaul prot, fd, 524229404Syongari pos + t - start); 525229404Syongari end = trunc_page(end); 52645386Swpaul } 527229404Syongari if (end > start && fd != -1 && (pos & PAGE_MASK)) { 52845386Swpaul /* 52945386Swpaul * We can't map this region at all. The specified 53045386Swpaul * address doesn't have the same alignment as the file 53145386Swpaul * position. Fake the mapping by simply reading the 53245386Swpaul * entire region into memory. First we need to make 53345386Swpaul * sure the region exists. 53445386Swpaul */ 53545386Swpaul vm_map_t map; 53645386Swpaul struct pread_args r; 53745386Swpaul int rv; 53845386Swpaul 53945386Swpaul prot |= VM_PROT_WRITE; 54045386Swpaul map = &td->td_proc->p_vmspace->vm_map; 541229404Syongari rv = vm_map_remove(map, start, end); 542229404Syongari if (rv != KERN_SUCCESS) 54345386Swpaul return (EINVAL); 54445386Swpaul rv = vm_map_find(map, NULL, 0, &start, end - start, 54545386Swpaul 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 54645386Swpaul if (rv != KERN_SUCCESS) 54745386Swpaul return (EINVAL); 54845386Swpaul r.fd = fd; 54945386Swpaul r.buf = (void *) start; 55045386Swpaul r.nbyte = end - start; 55145386Swpaul r.offset = pos; 55245386Swpaul error = sys_pread(td, &r); 55345386Swpaul if (error) 55445386Swpaul return (error); 55545386Swpaul 55645386Swpaul td->td_retval[0] = addr; 55745386Swpaul return (0); 55845386Swpaul } 55945386Swpaul if (end == start) { 56045386Swpaul /* 56145386Swpaul * After dealing with the ragged ends, there 56245386Swpaul * might be none left. 56345386Swpaul */ 56445386Swpaul td->td_retval[0] = addr; 56545386Swpaul return (0); 56645386Swpaul } 56745386Swpaul addr = start; 56845386Swpaul len = end - start; 56945386Swpaul } 57045386Swpaul#endif 57145386Swpaul 57245386Swpaul#if defined(__amd64__) || defined(__ia64__) 57345386Swpaul if (i386_read_exec && (prot & PROT_READ)) 57445386Swpaul prot |= PROT_EXEC; 57545386Swpaul#endif 576229404Syongari 577229404Syongari ap.addr = (void *) addr; 57845386Swpaul ap.len = len; 579229404Syongari ap.prot = prot; 580229404Syongari ap.flags = flags; 58145386Swpaul ap.fd = fd; 58245386Swpaul ap.pos = pos; 583229404Syongari 584229404Syongari return (sys_mmap(td, &ap)); 58545386Swpaul} 586229404Syongari 587229404Syongari#ifdef COMPAT_FREEBSD6 58845386Swpaulint 58945386Swpaulfreebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 590229404Syongari{ 591229404Syongari struct freebsd32_mmap_args ap; 59245386Swpaul 593229404Syongari ap.addr = uap->addr; 594229404Syongari ap.len = uap->len; 59545386Swpaul ap.prot = uap->prot; 59645386Swpaul ap.flags = uap->flags; 597229404Syongari ap.fd = uap->fd; 598229404Syongari ap.pos1 = uap->pos1; 59945386Swpaul ap.pos2 = uap->pos2; 600229404Syongari 601229404Syongari return (freebsd32_mmap(td, &ap)); 60245386Swpaul} 603229404Syongari#endif 604229404Syongari 60545386Swpaulint 60645386Swpaulfreebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 607229441Syongari{ 608229441Syongari struct itimerval itv, oitv, *itvp; 609229441Syongari struct itimerval32 i32; 610229441Syongari int error; 61145386Swpaul 61245386Swpaul if (uap->itv != NULL) { 61345386Swpaul error = copyin(uap->itv, &i32, sizeof(i32)); 61445386Swpaul if (error) 61545386Swpaul return (error); 616229404Syongari TV_CP(i32, itv, it_interval); 617229404Syongari TV_CP(i32, itv, it_value); 61845386Swpaul itvp = &itv; 619229404Syongari } else 620229404Syongari itvp = NULL; 62145386Swpaul error = kern_setitimer(td, uap->which, itvp, &oitv); 62245386Swpaul if (error || uap->oitv == NULL) 623229404Syongari return (error); 624229404Syongari TV_CP(oitv, i32, it_interval); 62545386Swpaul TV_CP(oitv, i32, it_value); 626229404Syongari return (copyout(&i32, uap->oitv, sizeof(i32))); 627229404Syongari} 62845386Swpaul 62945386Swpaulint 63045386Swpaulfreebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 631229404Syongari{ 632229404Syongari struct itimerval itv; 63345386Swpaul struct itimerval32 i32; 634229404Syongari int error; 635229404Syongari 63645386Swpaul error = kern_getitimer(td, uap->which, &itv); 63745386Swpaul if (error || uap->itv == NULL) 638229404Syongari return (error); 639229404Syongari TV_CP(itv, i32, it_interval); 64045386Swpaul TV_CP(itv, i32, it_value); 641229404Syongari return (copyout(&i32, uap->itv, sizeof(i32))); 642229404Syongari} 64345386Swpaul 64445386Swpaulint 645229404Syongarifreebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 646229404Syongari{ 64745386Swpaul struct timeval32 tv32; 648229404Syongari struct timeval tv, *tvp; 649229404Syongari int error; 65045386Swpaul 65145386Swpaul if (uap->tv != NULL) { 652229404Syongari error = copyin(uap->tv, &tv32, sizeof(tv32)); 653229404Syongari if (error) 65445386Swpaul return (error); 655229404Syongari CP(tv32, tv, tv_sec); 656229404Syongari CP(tv32, tv, tv_usec); 65745386Swpaul tvp = &tv; 658229404Syongari } else 659229404Syongari tvp = NULL; 66045386Swpaul /* 66145386Swpaul * XXX Do pointers need PTRIN()? 662229441Syongari */ 663229441Syongari return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 664229441Syongari sizeof(int32_t) * 8)); 665229441Syongari} 666229441Syongari 667229441Syongariint 668229441Syongarifreebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 669229441Syongari{ 67045386Swpaul struct timespec32 ts32; 67145386Swpaul struct timespec ts; 67245386Swpaul struct timeval tv, *tvp; 67345386Swpaul sigset_t set, *uset; 67445386Swpaul int error; 67545386Swpaul 676229404Syongari if (uap->ts != NULL) { 677229404Syongari error = copyin(uap->ts, &ts32, sizeof(ts32)); 67845386Swpaul if (error != 0) 679229404Syongari return (error); 680229404Syongari CP(ts32, ts, tv_sec); 68145386Swpaul CP(ts32, ts, tv_nsec); 68245386Swpaul TIMESPEC_TO_TIMEVAL(&tv, &ts); 683229404Syongari tvp = &tv; 684229404Syongari } else 68545386Swpaul tvp = NULL; 686229404Syongari if (uap->sm != NULL) { 687229404Syongari error = copyin(uap->sm, &set, sizeof(set)); 68845386Swpaul if (error != 0) 68945386Swpaul return (error); 69045386Swpaul uset = &set; 691229441Syongari } else 692229441Syongari uset = NULL; 69345386Swpaul /* 69445386Swpaul * XXX Do pointers need PTRIN()? 69545386Swpaul */ 69645386Swpaul error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 69745386Swpaul uset, sizeof(int32_t) * 8); 698150716Sjhb return (error); 69945386Swpaul} 70045386Swpaul 70145386Swpaul/* 70245386Swpaul * Copy 'count' items into the destination list pointed to by uap->eventlist. 70349036Swpaul */ 70445386Swpaulstatic int 70545386Swpaulfreebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 70645386Swpaul{ 70745386Swpaul struct freebsd32_kevent_args *uap; 70845386Swpaul struct kevent32 ks32[KQ_NEVENTS]; 70945386Swpaul int i, error = 0; 71045386Swpaul 71145386Swpaul KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 71245386Swpaul uap = (struct freebsd32_kevent_args *)arg; 71345386Swpaul 71445386Swpaul for (i = 0; i < count; i++) { 71545386Swpaul CP(kevp[i], ks32[i], ident); 71645386Swpaul CP(kevp[i], ks32[i], filter); 71745386Swpaul CP(kevp[i], ks32[i], flags); 71845386Swpaul CP(kevp[i], ks32[i], fflags); 71945386Swpaul CP(kevp[i], ks32[i], data); 72045386Swpaul PTROUT_CP(kevp[i], ks32[i], udata); 72145386Swpaul } 72245386Swpaul error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 72345386Swpaul if (error == 0) 72445386Swpaul uap->eventlist += count; 72545386Swpaul return (error); 72645386Swpaul} 72745386Swpaul 72845386Swpaul/* 72945386Swpaul * Copy 'count' items from the list pointed to by uap->changelist. 73045386Swpaul */ 73145386Swpaulstatic int 73245386Swpaulfreebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 73345386Swpaul{ 73445386Swpaul struct freebsd32_kevent_args *uap; 73545386Swpaul struct kevent32 ks32[KQ_NEVENTS]; 73645386Swpaul int i, error = 0; 73745386Swpaul 73845386Swpaul KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 73945386Swpaul uap = (struct freebsd32_kevent_args *)arg; 74045386Swpaul 74145386Swpaul error = copyin(uap->changelist, ks32, count * sizeof *ks32); 74245386Swpaul if (error) 74345386Swpaul goto done; 74445386Swpaul uap->changelist += count; 74545386Swpaul 74645386Swpaul for (i = 0; i < count; i++) { 74745386Swpaul CP(ks32[i], kevp[i], ident); 74845386Swpaul CP(ks32[i], kevp[i], filter); 74945386Swpaul CP(ks32[i], kevp[i], flags); 75045386Swpaul CP(ks32[i], kevp[i], fflags); 75145386Swpaul CP(ks32[i], kevp[i], data); 75245386Swpaul PTRIN_CP(ks32[i], kevp[i], udata); 75345386Swpaul } 75445386Swpauldone: 75545386Swpaul return (error); 75645386Swpaul} 75745386Swpaul 75845386Swpaulint 75945386Swpaulfreebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 76045386Swpaul{ 76145386Swpaul struct timespec32 ts32; 76245386Swpaul struct timespec ts, *tsp; 76345386Swpaul struct kevent_copyops k_ops = { uap, 76445386Swpaul freebsd32_kevent_copyout, 76545386Swpaul freebsd32_kevent_copyin}; 76645386Swpaul int error; 76745386Swpaul 76845386Swpaul 76945386Swpaul if (uap->timeout) { 77045386Swpaul error = copyin(uap->timeout, &ts32, sizeof(ts32)); 77145386Swpaul if (error) 772229404Syongari return (error); 77345386Swpaul CP(ts32, ts, tv_sec); 77445386Swpaul CP(ts32, ts, tv_nsec); 775153770Syongari tsp = &ts; 776153770Syongari } else 777153770Syongari tsp = NULL; 778153770Syongari error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 77945386Swpaul &k_ops, tsp); 78045386Swpaul return (error); 78145386Swpaul} 78245386Swpaul 78345386Swpaulint 78445386Swpaulfreebsd32_gettimeofday(struct thread *td, 78545386Swpaul struct freebsd32_gettimeofday_args *uap) 78645386Swpaul{ 78745386Swpaul struct timeval atv; 78845386Swpaul struct timeval32 atv32; 78945386Swpaul struct timezone rtz; 79045386Swpaul int error = 0; 79145386Swpaul 79245386Swpaul if (uap->tp) { 79345386Swpaul microtime(&atv); 79445386Swpaul CP(atv, atv32, tv_sec); 79545386Swpaul CP(atv, atv32, tv_usec); 79645386Swpaul error = copyout(&atv32, uap->tp, sizeof (atv32)); 79745386Swpaul } 79845386Swpaul if (error == 0 && uap->tzp != NULL) { 79945386Swpaul rtz.tz_minuteswest = tz_minuteswest; 80045386Swpaul rtz.tz_dsttime = tz_dsttime; 80145386Swpaul error = copyout(&rtz, uap->tzp, sizeof (rtz)); 80245386Swpaul } 80345386Swpaul return (error); 80445386Swpaul} 80545386Swpaul 80645386Swpaulint 80745386Swpaulfreebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 80845386Swpaul{ 80945386Swpaul struct rusage32 s32; 81045386Swpaul struct rusage s; 81145386Swpaul int error; 81245386Swpaul 81345386Swpaul error = kern_getrusage(td, uap->who, &s); 81445386Swpaul if (error) 81545386Swpaul return (error); 81645386Swpaul if (uap->rusage != NULL) { 81745386Swpaul freebsd32_rusage_out(&s, &s32); 81845386Swpaul error = copyout(&s32, uap->rusage, sizeof(s32)); 81945386Swpaul } 82045386Swpaul return (error); 82145386Swpaul} 82245386Swpaul 82345386Swpaulstatic int 82445386Swpaulfreebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 825153770Syongari{ 826153770Syongari struct iovec32 iov32; 827153770Syongari struct iovec *iov; 828153770Syongari struct uio *uio; 82945386Swpaul u_int iovlen; 830153770Syongari int error, i; 831153770Syongari 832153770Syongari *uiop = NULL; 833153770Syongari if (iovcnt > UIO_MAXIOV) 83445386Swpaul return (EINVAL); 83545386Swpaul iovlen = iovcnt * sizeof(struct iovec); 83645386Swpaul uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 83745386Swpaul iov = (struct iovec *)(uio + 1); 838153770Syongari for (i = 0; i < iovcnt; i++) { 83945386Swpaul error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 840153770Syongari if (error) { 841153770Syongari free(uio, M_IOV); 842153770Syongari return (error); 843153770Syongari } 844153770Syongari iov[i].iov_base = PTRIN(iov32.iov_base); 845153770Syongari iov[i].iov_len = iov32.iov_len; 84645386Swpaul } 84745386Swpaul uio->uio_iov = iov; 848153770Syongari uio->uio_iovcnt = iovcnt; 84945386Swpaul uio->uio_segflg = UIO_USERSPACE; 850153770Syongari uio->uio_offset = -1; 851153770Syongari uio->uio_resid = 0; 852153770Syongari for (i = 0; i < iovcnt; i++) { 853153770Syongari if (iov->iov_len > INT_MAX - uio->uio_resid) { 854153770Syongari free(uio, M_IOV); 855153770Syongari return (EINVAL); 85645386Swpaul } 85745386Swpaul uio->uio_resid += iov->iov_len; 85845386Swpaul iov++; 85945386Swpaul } 86045386Swpaul *uiop = uio; 861229404Syongari return (0); 862229404Syongari} 86345386Swpaul 864229441Syongariint 86545386Swpaulfreebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 866153770Syongari{ 867153770Syongari struct uio *auio; 868153770Syongari int error; 869153770Syongari 87045386Swpaul error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 87145386Swpaul if (error) 87245386Swpaul return (error); 87345386Swpaul error = kern_readv(td, uap->fd, auio); 87445386Swpaul free(auio, M_IOV); 87545386Swpaul return (error); 87645386Swpaul} 87745386Swpaul 87845386Swpaulint 87945386Swpaulfreebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 88045386Swpaul{ 88145386Swpaul struct uio *auio; 88245386Swpaul int error; 88345386Swpaul 88445386Swpaul error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 88545386Swpaul if (error) 88645386Swpaul return (error); 88745386Swpaul error = kern_writev(td, uap->fd, auio); 88845386Swpaul free(auio, M_IOV); 88945386Swpaul return (error); 89045386Swpaul} 89145386Swpaul 89245386Swpaulint 89345386Swpaulfreebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 89445386Swpaul{ 89545386Swpaul struct uio *auio; 89645386Swpaul int error; 897153770Syongari 89845386Swpaul error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 89945386Swpaul if (error) 900153770Syongari return (error); 90145386Swpaul error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 90245386Swpaul free(auio, M_IOV); 903153770Syongari return (error); 90445386Swpaul} 905153770Syongari 90645386Swpaulint 907153982Syongarifreebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 908153982Syongari{ 909153982Syongari struct uio *auio; 910153982Syongari int error; 911153982Syongari 912153982Syongari error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 913153982Syongari if (error) 914153982Syongari return (error); 915229441Syongari error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 91645386Swpaul free(auio, M_IOV); 91745386Swpaul return (error); 918229441Syongari} 919229441Syongari 920229441Syongariint 92145386Swpaulfreebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 92245386Swpaul int error) 923229404Syongari{ 92445386Swpaul struct iovec32 iov32; 925229404Syongari struct iovec *iov; 92645386Swpaul u_int iovlen; 927229404Syongari int i; 92845386Swpaul 92945386Swpaul *iovp = NULL; 930229441Syongari if (iovcnt > UIO_MAXIOV) 931229441Syongari return (error); 932229441Syongari iovlen = iovcnt * sizeof(struct iovec); 933229441Syongari iov = malloc(iovlen, M_IOV, M_WAITOK); 934229441Syongari for (i = 0; i < iovcnt; i++) { 935229441Syongari error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 936229441Syongari if (error) { 937229441Syongari free(iov, M_IOV); 938229441Syongari return (error); 939229441Syongari } 940229441Syongari iov[i].iov_base = PTRIN(iov32.iov_base); 941229441Syongari iov[i].iov_len = iov32.iov_len; 942229441Syongari } 943229441Syongari *iovp = iov; 944229441Syongari return (0); 945229441Syongari} 946229441Syongari 947229441Syongaristatic int 948229441Syongarifreebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 949229441Syongari{ 950229441Syongari struct msghdr32 m32; 951229441Syongari int error; 952229441Syongari 953229441Syongari error = copyin(msg32, &m32, sizeof(m32)); 954229441Syongari if (error) 955229441Syongari return (error); 956229441Syongari msg->msg_name = PTRIN(m32.msg_name); 957229441Syongari msg->msg_namelen = m32.msg_namelen; 958153770Syongari msg->msg_iov = PTRIN(m32.msg_iov); 95945386Swpaul msg->msg_iovlen = m32.msg_iovlen; 96045386Swpaul msg->msg_control = PTRIN(m32.msg_control); 96145386Swpaul msg->msg_controllen = m32.msg_controllen; 96245386Swpaul msg->msg_flags = m32.msg_flags; 96345386Swpaul return (0); 96445386Swpaul} 965229441Syongari 966229441Syongaristatic int 967229441Syongarifreebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 968229441Syongari{ 969229441Syongari struct msghdr32 m32; 970229441Syongari int error; 971229441Syongari 972229441Syongari m32.msg_name = PTROUT(msg->msg_name); 973229441Syongari m32.msg_namelen = msg->msg_namelen; 974229441Syongari m32.msg_iov = PTROUT(msg->msg_iov); 975153982Syongari m32.msg_iovlen = msg->msg_iovlen; 976153982Syongari m32.msg_control = PTROUT(msg->msg_control); 977153982Syongari m32.msg_controllen = msg->msg_controllen; 978229441Syongari m32.msg_flags = msg->msg_flags; 979229441Syongari error = copyout(&m32, msg32, sizeof(m32)); 980229441Syongari return (error); 981229441Syongari} 982229441Syongari 98345386Swpaul#ifndef __mips__ 984153396Sscottl#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 985229432Syongari#else 986229441Syongari#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 987229441Syongari#endif 988229441Syongari#define FREEBSD32_ALIGN(p) \ 98945386Swpaul (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 990153396Sscottl#define FREEBSD32_CMSG_SPACE(l) \ 991229432Syongari (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 992229441Syongari 993229441Syongari#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 994229441Syongari FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 99545386Swpaulstatic int 996153396Sscottlfreebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 997229432Syongari{ 99845386Swpaul struct cmsghdr *cm; 99945386Swpaul void *data; 100045386Swpaul socklen_t clen, datalen; 1001229404Syongari int error; 1002229404Syongari caddr_t ctlbuf; 1003219547Smarius int len, maxlen, copylen; 100445386Swpaul struct mbuf *m; 100545386Swpaul error = 0; 100645386Swpaul 100745386Swpaul len = msg->msg_controllen; 100845386Swpaul maxlen = msg->msg_controllen; 100945386Swpaul msg->msg_controllen = 0; 101045386Swpaul 101145386Swpaul m = control; 101245386Swpaul ctlbuf = msg->msg_control; 101360938Sjake 101445386Swpaul while (m && len > 0) { 101545386Swpaul cm = mtod(m, struct cmsghdr *); 101698849Sken clen = m->m_len; 101798849Sken 101898849Sken while (cm != NULL) { 101998849Sken 102098849Sken if (sizeof(struct cmsghdr) > clen || 102198849Sken cm->cmsg_len > clen) { 102245386Swpaul error = EINVAL; 1023153396Sscottl break; 1024147256Sbrooks } 102545386Swpaul 102645386Swpaul data = CMSG_DATA(cm); 102749011Swpaul datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 102849011Swpaul 102949011Swpaul /* Adjust message length */ 103045386Swpaul cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1031229404Syongari datalen; 1032229404Syongari 1033229404Syongari 103498849Sken /* Copy cmsghdr */ 1035229441Syongari copylen = sizeof(struct cmsghdr); 1036229441Syongari if (len < copylen) { 103745386Swpaul msg->msg_flags |= MSG_CTRUNC; 1038229441Syongari copylen = len; 1039229441Syongari } 1040229441Syongari 1041153982Syongari error = copyout(cm,ctlbuf,copylen); 1042153982Syongari if (error) 1043153982Syongari goto exit; 1044153982Syongari 1045153982Syongari ctlbuf += FREEBSD32_ALIGN(copylen); 1046153982Syongari len -= FREEBSD32_ALIGN(copylen); 1047153982Syongari 1048153982Syongari if (len <= 0) 104960938Sjake break; 1050229404Syongari 1051229404Syongari /* Copy data */ 1052229404Syongari copylen = datalen; 1053229404Syongari if (len < copylen) { 1054229404Syongari msg->msg_flags |= MSG_CTRUNC; 1055229404Syongari copylen = len; 105645386Swpaul } 105748011Swpaul 105867087Swpaul error = copyout(data,ctlbuf,copylen); 1059199559Sjhb if (error) 1060199559Sjhb goto exit; 106198849Sken 1062229438Syongari ctlbuf += FREEBSD32_ALIGN(copylen); 1063229438Syongari len -= FREEBSD32_ALIGN(copylen); 1064153396Sscottl 106545386Swpaul if (CMSG_SPACE(datalen) < clen) { 106645386Swpaul clen -= CMSG_SPACE(datalen); 106772200Sbmilekic cm = (struct cmsghdr *) 106872200Sbmilekic ((caddr_t)cm + CMSG_SPACE(datalen)); 1069122689Ssam } else { 107067087Swpaul clen = 0; 107145386Swpaul cm = NULL; 107245386Swpaul } 107345386Swpaul } 107445386Swpaul m = m->m_next; 107545386Swpaul } 107645386Swpaul 107745386Swpaul msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 107845386Swpaul 107945386Swpaulexit: 1080153770Syongari return (error); 108145386Swpaul 108245386Swpaul} 108345386Swpaul 108445386Swpaulint 1085153770Syongarifreebsd32_recvmsg(td, uap) 1086153770Syongari struct thread *td; 108745386Swpaul struct freebsd32_recvmsg_args /* { 108845386Swpaul int s; 108945386Swpaul struct msghdr32 *msg; 109045386Swpaul int flags; 109145386Swpaul } */ *uap; 1092153770Syongari{ 109345386Swpaul struct msghdr msg; 109445386Swpaul struct msghdr32 m32; 109545386Swpaul struct iovec *uiov, *iov; 109645386Swpaul struct mbuf *control = NULL; 109745386Swpaul struct mbuf **controlp; 109845386Swpaul 1099153770Syongari int error; 1100153770Syongari error = copyin(uap->msg, &m32, sizeof(m32)); 1101 if (error) 1102 return (error); 1103 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1104 if (error) 1105 return (error); 1106 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1107 EMSGSIZE); 1108 if (error) 1109 return (error); 1110 msg.msg_flags = uap->flags; 1111 uiov = msg.msg_iov; 1112 msg.msg_iov = iov; 1113 1114 controlp = (msg.msg_control != NULL) ? &control : NULL; 1115 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1116 if (error == 0) { 1117 msg.msg_iov = uiov; 1118 1119 if (control != NULL) 1120 error = freebsd32_copy_msg_out(&msg, control); 1121 else 1122 msg.msg_controllen = 0; 1123 1124 if (error == 0) 1125 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1126 } 1127 free(iov, M_IOV); 1128 1129 if (control != NULL) 1130 m_freem(control); 1131 1132 return (error); 1133} 1134 1135 1136static int 1137freebsd32_convert_msg_in(struct mbuf **controlp) 1138{ 1139 struct mbuf *control = *controlp; 1140 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1141 void *data; 1142 socklen_t clen = control->m_len, datalen; 1143 int error; 1144 1145 error = 0; 1146 *controlp = NULL; 1147 1148 while (cm != NULL) { 1149 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1150 error = EINVAL; 1151 break; 1152 } 1153 1154 data = FREEBSD32_CMSG_DATA(cm); 1155 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1156 1157 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1158 cm->cmsg_level); 1159 controlp = &(*controlp)->m_next; 1160 1161 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1162 clen -= FREEBSD32_CMSG_SPACE(datalen); 1163 cm = (struct cmsghdr *) 1164 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1165 } else { 1166 clen = 0; 1167 cm = NULL; 1168 } 1169 } 1170 1171 m_freem(control); 1172 return (error); 1173} 1174 1175 1176int 1177freebsd32_sendmsg(struct thread *td, 1178 struct freebsd32_sendmsg_args *uap) 1179{ 1180 struct msghdr msg; 1181 struct msghdr32 m32; 1182 struct iovec *iov; 1183 struct mbuf *control = NULL; 1184 struct sockaddr *to = NULL; 1185 int error; 1186 1187 error = copyin(uap->msg, &m32, sizeof(m32)); 1188 if (error) 1189 return (error); 1190 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1191 if (error) 1192 return (error); 1193 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1194 EMSGSIZE); 1195 if (error) 1196 return (error); 1197 msg.msg_iov = iov; 1198 if (msg.msg_name != NULL) { 1199 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1200 if (error) { 1201 to = NULL; 1202 goto out; 1203 } 1204 msg.msg_name = to; 1205 } 1206 1207 if (msg.msg_control) { 1208 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1209 error = EINVAL; 1210 goto out; 1211 } 1212 1213 error = sockargs(&control, msg.msg_control, 1214 msg.msg_controllen, MT_CONTROL); 1215 if (error) 1216 goto out; 1217 1218 error = freebsd32_convert_msg_in(&control); 1219 if (error) 1220 goto out; 1221 } 1222 1223 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1224 UIO_USERSPACE); 1225 1226out: 1227 free(iov, M_IOV); 1228 if (to) 1229 free(to, M_SONAME); 1230 return (error); 1231} 1232 1233int 1234freebsd32_recvfrom(struct thread *td, 1235 struct freebsd32_recvfrom_args *uap) 1236{ 1237 struct msghdr msg; 1238 struct iovec aiov; 1239 int error; 1240 1241 if (uap->fromlenaddr) { 1242 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1243 sizeof(msg.msg_namelen)); 1244 if (error) 1245 return (error); 1246 } else { 1247 msg.msg_namelen = 0; 1248 } 1249 1250 msg.msg_name = PTRIN(uap->from); 1251 msg.msg_iov = &aiov; 1252 msg.msg_iovlen = 1; 1253 aiov.iov_base = PTRIN(uap->buf); 1254 aiov.iov_len = uap->len; 1255 msg.msg_control = NULL; 1256 msg.msg_flags = uap->flags; 1257 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1258 if (error == 0 && uap->fromlenaddr) 1259 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1260 sizeof (msg.msg_namelen)); 1261 return (error); 1262} 1263 1264int 1265freebsd32_settimeofday(struct thread *td, 1266 struct freebsd32_settimeofday_args *uap) 1267{ 1268 struct timeval32 tv32; 1269 struct timeval tv, *tvp; 1270 struct timezone tz, *tzp; 1271 int error; 1272 1273 if (uap->tv) { 1274 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1275 if (error) 1276 return (error); 1277 CP(tv32, tv, tv_sec); 1278 CP(tv32, tv, tv_usec); 1279 tvp = &tv; 1280 } else 1281 tvp = NULL; 1282 if (uap->tzp) { 1283 error = copyin(uap->tzp, &tz, sizeof(tz)); 1284 if (error) 1285 return (error); 1286 tzp = &tz; 1287 } else 1288 tzp = NULL; 1289 return (kern_settimeofday(td, tvp, tzp)); 1290} 1291 1292int 1293freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1294{ 1295 struct timeval32 s32[2]; 1296 struct timeval s[2], *sp; 1297 int error; 1298 1299 if (uap->tptr != NULL) { 1300 error = copyin(uap->tptr, s32, sizeof(s32)); 1301 if (error) 1302 return (error); 1303 CP(s32[0], s[0], tv_sec); 1304 CP(s32[0], s[0], tv_usec); 1305 CP(s32[1], s[1], tv_sec); 1306 CP(s32[1], s[1], tv_usec); 1307 sp = s; 1308 } else 1309 sp = NULL; 1310 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1311} 1312 1313int 1314freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1315{ 1316 struct timeval32 s32[2]; 1317 struct timeval s[2], *sp; 1318 int error; 1319 1320 if (uap->tptr != NULL) { 1321 error = copyin(uap->tptr, s32, sizeof(s32)); 1322 if (error) 1323 return (error); 1324 CP(s32[0], s[0], tv_sec); 1325 CP(s32[0], s[0], tv_usec); 1326 CP(s32[1], s[1], tv_sec); 1327 CP(s32[1], s[1], tv_usec); 1328 sp = s; 1329 } else 1330 sp = NULL; 1331 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1332} 1333 1334int 1335freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1336{ 1337 struct timeval32 s32[2]; 1338 struct timeval s[2], *sp; 1339 int error; 1340 1341 if (uap->tptr != NULL) { 1342 error = copyin(uap->tptr, s32, sizeof(s32)); 1343 if (error) 1344 return (error); 1345 CP(s32[0], s[0], tv_sec); 1346 CP(s32[0], s[0], tv_usec); 1347 CP(s32[1], s[1], tv_sec); 1348 CP(s32[1], s[1], tv_usec); 1349 sp = s; 1350 } else 1351 sp = NULL; 1352 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1353} 1354 1355int 1356freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1357{ 1358 struct timeval32 s32[2]; 1359 struct timeval s[2], *sp; 1360 int error; 1361 1362 if (uap->times != NULL) { 1363 error = copyin(uap->times, s32, sizeof(s32)); 1364 if (error) 1365 return (error); 1366 CP(s32[0], s[0], tv_sec); 1367 CP(s32[0], s[0], tv_usec); 1368 CP(s32[1], s[1], tv_sec); 1369 CP(s32[1], s[1], tv_usec); 1370 sp = s; 1371 } else 1372 sp = NULL; 1373 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1374 sp, UIO_SYSSPACE)); 1375} 1376 1377int 1378freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1379{ 1380 struct timeval32 tv32; 1381 struct timeval delta, olddelta, *deltap; 1382 int error; 1383 1384 if (uap->delta) { 1385 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1386 if (error) 1387 return (error); 1388 CP(tv32, delta, tv_sec); 1389 CP(tv32, delta, tv_usec); 1390 deltap = δ 1391 } else 1392 deltap = NULL; 1393 error = kern_adjtime(td, deltap, &olddelta); 1394 if (uap->olddelta && error == 0) { 1395 CP(olddelta, tv32, tv_sec); 1396 CP(olddelta, tv32, tv_usec); 1397 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1398 } 1399 return (error); 1400} 1401 1402#ifdef COMPAT_FREEBSD4 1403int 1404freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1405{ 1406 struct statfs32 s32; 1407 struct statfs s; 1408 int error; 1409 1410 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1411 if (error) 1412 return (error); 1413 copy_statfs(&s, &s32); 1414 return (copyout(&s32, uap->buf, sizeof(s32))); 1415} 1416#endif 1417 1418#ifdef COMPAT_FREEBSD4 1419int 1420freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1421{ 1422 struct statfs32 s32; 1423 struct statfs s; 1424 int error; 1425 1426 error = kern_fstatfs(td, uap->fd, &s); 1427 if (error) 1428 return (error); 1429 copy_statfs(&s, &s32); 1430 return (copyout(&s32, uap->buf, sizeof(s32))); 1431} 1432#endif 1433 1434#ifdef COMPAT_FREEBSD4 1435int 1436freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1437{ 1438 struct statfs32 s32; 1439 struct statfs s; 1440 fhandle_t fh; 1441 int error; 1442 1443 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1444 return (error); 1445 error = kern_fhstatfs(td, fh, &s); 1446 if (error) 1447 return (error); 1448 copy_statfs(&s, &s32); 1449 return (copyout(&s32, uap->buf, sizeof(s32))); 1450} 1451#endif 1452 1453int 1454freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1455{ 1456 struct pread_args ap; 1457 1458 ap.fd = uap->fd; 1459 ap.buf = uap->buf; 1460 ap.nbyte = uap->nbyte; 1461 ap.offset = PAIR32TO64(off_t,uap->offset); 1462 return (sys_pread(td, &ap)); 1463} 1464 1465int 1466freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1467{ 1468 struct pwrite_args ap; 1469 1470 ap.fd = uap->fd; 1471 ap.buf = uap->buf; 1472 ap.nbyte = uap->nbyte; 1473 ap.offset = PAIR32TO64(off_t,uap->offset); 1474 return (sys_pwrite(td, &ap)); 1475} 1476 1477#ifdef COMPAT_43 1478int 1479ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1480{ 1481 struct lseek_args nuap; 1482 1483 nuap.fd = uap->fd; 1484 nuap.offset = uap->offset; 1485 nuap.whence = uap->whence; 1486 return (sys_lseek(td, &nuap)); 1487} 1488#endif 1489 1490int 1491freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1492{ 1493 int error; 1494 struct lseek_args ap; 1495 off_t pos; 1496 1497 ap.fd = uap->fd; 1498 ap.offset = PAIR32TO64(off_t,uap->offset); 1499 ap.whence = uap->whence; 1500 error = sys_lseek(td, &ap); 1501 /* Expand the quad return into two parts for eax and edx */ 1502 pos = *(off_t *)(td->td_retval); 1503 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1504 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1505 return error; 1506} 1507 1508int 1509freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1510{ 1511 struct truncate_args ap; 1512 1513 ap.path = uap->path; 1514 ap.length = PAIR32TO64(off_t,uap->length); 1515 return (sys_truncate(td, &ap)); 1516} 1517 1518int 1519freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1520{ 1521 struct ftruncate_args ap; 1522 1523 ap.fd = uap->fd; 1524 ap.length = PAIR32TO64(off_t,uap->length); 1525 return (sys_ftruncate(td, &ap)); 1526} 1527 1528#ifdef COMPAT_43 1529int 1530ofreebsd32_getdirentries(struct thread *td, 1531 struct ofreebsd32_getdirentries_args *uap) 1532{ 1533 struct ogetdirentries_args ap; 1534 int error; 1535 long loff; 1536 int32_t loff_cut; 1537 1538 ap.fd = uap->fd; 1539 ap.buf = uap->buf; 1540 ap.count = uap->count; 1541 ap.basep = NULL; 1542 error = kern_ogetdirentries(td, &ap, &loff); 1543 if (error == 0) { 1544 loff_cut = loff; 1545 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1546 } 1547 return (error); 1548} 1549#endif 1550 1551int 1552freebsd32_getdirentries(struct thread *td, 1553 struct freebsd32_getdirentries_args *uap) 1554{ 1555 long base; 1556 int32_t base32; 1557 int error; 1558 1559 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1560 NULL, UIO_USERSPACE); 1561 if (error) 1562 return (error); 1563 if (uap->basep != NULL) { 1564 base32 = base; 1565 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1566 } 1567 return (error); 1568} 1569 1570#ifdef COMPAT_FREEBSD6 1571/* versions with the 'int pad' argument */ 1572int 1573freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1574{ 1575 struct pread_args ap; 1576 1577 ap.fd = uap->fd; 1578 ap.buf = uap->buf; 1579 ap.nbyte = uap->nbyte; 1580 ap.offset = PAIR32TO64(off_t,uap->offset); 1581 return (sys_pread(td, &ap)); 1582} 1583 1584int 1585freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1586{ 1587 struct pwrite_args ap; 1588 1589 ap.fd = uap->fd; 1590 ap.buf = uap->buf; 1591 ap.nbyte = uap->nbyte; 1592 ap.offset = PAIR32TO64(off_t,uap->offset); 1593 return (sys_pwrite(td, &ap)); 1594} 1595 1596int 1597freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1598{ 1599 int error; 1600 struct lseek_args ap; 1601 off_t pos; 1602 1603 ap.fd = uap->fd; 1604 ap.offset = PAIR32TO64(off_t,uap->offset); 1605 ap.whence = uap->whence; 1606 error = sys_lseek(td, &ap); 1607 /* Expand the quad return into two parts for eax and edx */ 1608 pos = *(off_t *)(td->td_retval); 1609 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1610 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1611 return error; 1612} 1613 1614int 1615freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1616{ 1617 struct truncate_args ap; 1618 1619 ap.path = uap->path; 1620 ap.length = PAIR32TO64(off_t,uap->length); 1621 return (sys_truncate(td, &ap)); 1622} 1623 1624int 1625freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1626{ 1627 struct ftruncate_args ap; 1628 1629 ap.fd = uap->fd; 1630 ap.length = PAIR32TO64(off_t,uap->length); 1631 return (sys_ftruncate(td, &ap)); 1632} 1633#endif /* COMPAT_FREEBSD6 */ 1634 1635struct sf_hdtr32 { 1636 uint32_t headers; 1637 int hdr_cnt; 1638 uint32_t trailers; 1639 int trl_cnt; 1640}; 1641 1642static int 1643freebsd32_do_sendfile(struct thread *td, 1644 struct freebsd32_sendfile_args *uap, int compat) 1645{ 1646 struct sf_hdtr32 hdtr32; 1647 struct sf_hdtr hdtr; 1648 struct uio *hdr_uio, *trl_uio; 1649 struct iovec32 *iov32; 1650 struct file *fp; 1651 cap_rights_t rights; 1652 off_t offset; 1653 int error; 1654 1655 offset = PAIR32TO64(off_t, uap->offset); 1656 if (offset < 0) 1657 return (EINVAL); 1658 1659 hdr_uio = trl_uio = NULL; 1660 1661 if (uap->hdtr != NULL) { 1662 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1663 if (error) 1664 goto out; 1665 PTRIN_CP(hdtr32, hdtr, headers); 1666 CP(hdtr32, hdtr, hdr_cnt); 1667 PTRIN_CP(hdtr32, hdtr, trailers); 1668 CP(hdtr32, hdtr, trl_cnt); 1669 1670 if (hdtr.headers != NULL) { 1671 iov32 = PTRIN(hdtr32.headers); 1672 error = freebsd32_copyinuio(iov32, 1673 hdtr32.hdr_cnt, &hdr_uio); 1674 if (error) 1675 goto out; 1676 } 1677 if (hdtr.trailers != NULL) { 1678 iov32 = PTRIN(hdtr32.trailers); 1679 error = freebsd32_copyinuio(iov32, 1680 hdtr32.trl_cnt, &trl_uio); 1681 if (error) 1682 goto out; 1683 } 1684 } 1685 1686 AUDIT_ARG_FD(uap->fd); 1687 1688 if ((error = fget_read(td, uap->fd, 1689 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) { 1690 goto out; 1691 } 1692 1693 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1694 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1695 fdrop(fp, td); 1696 1697out: 1698 if (hdr_uio) 1699 free(hdr_uio, M_IOV); 1700 if (trl_uio) 1701 free(trl_uio, M_IOV); 1702 return (error); 1703} 1704 1705#ifdef COMPAT_FREEBSD4 1706int 1707freebsd4_freebsd32_sendfile(struct thread *td, 1708 struct freebsd4_freebsd32_sendfile_args *uap) 1709{ 1710 return (freebsd32_do_sendfile(td, 1711 (struct freebsd32_sendfile_args *)uap, 1)); 1712} 1713#endif 1714 1715int 1716freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1717{ 1718 1719 return (freebsd32_do_sendfile(td, uap, 0)); 1720} 1721 1722static void 1723copy_stat(struct stat *in, struct stat32 *out) 1724{ 1725 1726 CP(*in, *out, st_dev); 1727 CP(*in, *out, st_ino); 1728 CP(*in, *out, st_mode); 1729 CP(*in, *out, st_nlink); 1730 CP(*in, *out, st_uid); 1731 CP(*in, *out, st_gid); 1732 CP(*in, *out, st_rdev); 1733 TS_CP(*in, *out, st_atim); 1734 TS_CP(*in, *out, st_mtim); 1735 TS_CP(*in, *out, st_ctim); 1736 CP(*in, *out, st_size); 1737 CP(*in, *out, st_blocks); 1738 CP(*in, *out, st_blksize); 1739 CP(*in, *out, st_flags); 1740 CP(*in, *out, st_gen); 1741 TS_CP(*in, *out, st_birthtim); 1742} 1743 1744#ifdef COMPAT_43 1745static void 1746copy_ostat(struct stat *in, struct ostat32 *out) 1747{ 1748 1749 CP(*in, *out, st_dev); 1750 CP(*in, *out, st_ino); 1751 CP(*in, *out, st_mode); 1752 CP(*in, *out, st_nlink); 1753 CP(*in, *out, st_uid); 1754 CP(*in, *out, st_gid); 1755 CP(*in, *out, st_rdev); 1756 CP(*in, *out, st_size); 1757 TS_CP(*in, *out, st_atim); 1758 TS_CP(*in, *out, st_mtim); 1759 TS_CP(*in, *out, st_ctim); 1760 CP(*in, *out, st_blksize); 1761 CP(*in, *out, st_blocks); 1762 CP(*in, *out, st_flags); 1763 CP(*in, *out, st_gen); 1764} 1765#endif 1766 1767int 1768freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1769{ 1770 struct stat sb; 1771 struct stat32 sb32; 1772 int error; 1773 1774 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1775 if (error) 1776 return (error); 1777 copy_stat(&sb, &sb32); 1778 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1779 return (error); 1780} 1781 1782#ifdef COMPAT_43 1783int 1784ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1785{ 1786 struct stat sb; 1787 struct ostat32 sb32; 1788 int error; 1789 1790 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1791 if (error) 1792 return (error); 1793 copy_ostat(&sb, &sb32); 1794 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1795 return (error); 1796} 1797#endif 1798 1799int 1800freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1801{ 1802 struct stat ub; 1803 struct stat32 ub32; 1804 int error; 1805 1806 error = kern_fstat(td, uap->fd, &ub); 1807 if (error) 1808 return (error); 1809 copy_stat(&ub, &ub32); 1810 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1811 return (error); 1812} 1813 1814#ifdef COMPAT_43 1815int 1816ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1817{ 1818 struct stat ub; 1819 struct ostat32 ub32; 1820 int error; 1821 1822 error = kern_fstat(td, uap->fd, &ub); 1823 if (error) 1824 return (error); 1825 copy_ostat(&ub, &ub32); 1826 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1827 return (error); 1828} 1829#endif 1830 1831int 1832freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1833{ 1834 struct stat ub; 1835 struct stat32 ub32; 1836 int error; 1837 1838 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1839 if (error) 1840 return (error); 1841 copy_stat(&ub, &ub32); 1842 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1843 return (error); 1844} 1845 1846int 1847freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1848{ 1849 struct stat sb; 1850 struct stat32 sb32; 1851 int error; 1852 1853 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1854 if (error) 1855 return (error); 1856 copy_stat(&sb, &sb32); 1857 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1858 return (error); 1859} 1860 1861#ifdef COMPAT_43 1862int 1863ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1864{ 1865 struct stat sb; 1866 struct ostat32 sb32; 1867 int error; 1868 1869 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1870 if (error) 1871 return (error); 1872 copy_ostat(&sb, &sb32); 1873 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1874 return (error); 1875} 1876#endif 1877 1878int 1879freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1880{ 1881 int error, name[CTL_MAXNAME]; 1882 size_t j, oldlen; 1883 1884 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1885 return (EINVAL); 1886 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1887 if (error) 1888 return (error); 1889 if (uap->oldlenp) 1890 oldlen = fuword32(uap->oldlenp); 1891 else 1892 oldlen = 0; 1893 error = userland_sysctl(td, name, uap->namelen, 1894 uap->old, &oldlen, 1, 1895 uap->new, uap->newlen, &j, SCTL_MASK32); 1896 if (error && error != ENOMEM) 1897 return (error); 1898 if (uap->oldlenp) 1899 suword32(uap->oldlenp, j); 1900 return (0); 1901} 1902 1903int 1904freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1905{ 1906 uint32_t version; 1907 int error; 1908 struct jail j; 1909 1910 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1911 if (error) 1912 return (error); 1913 1914 switch (version) { 1915 case 0: 1916 { 1917 /* FreeBSD single IPv4 jails. */ 1918 struct jail32_v0 j32_v0; 1919 1920 bzero(&j, sizeof(struct jail)); 1921 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1922 if (error) 1923 return (error); 1924 CP(j32_v0, j, version); 1925 PTRIN_CP(j32_v0, j, path); 1926 PTRIN_CP(j32_v0, j, hostname); 1927 j.ip4s = j32_v0.ip_number; 1928 break; 1929 } 1930 1931 case 1: 1932 /* 1933 * Version 1 was used by multi-IPv4 jail implementations 1934 * that never made it into the official kernel. 1935 */ 1936 return (EINVAL); 1937 1938 case 2: /* JAIL_API_VERSION */ 1939 { 1940 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1941 struct jail32 j32; 1942 1943 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1944 if (error) 1945 return (error); 1946 CP(j32, j, version); 1947 PTRIN_CP(j32, j, path); 1948 PTRIN_CP(j32, j, hostname); 1949 PTRIN_CP(j32, j, jailname); 1950 CP(j32, j, ip4s); 1951 CP(j32, j, ip6s); 1952 PTRIN_CP(j32, j, ip4); 1953 PTRIN_CP(j32, j, ip6); 1954 break; 1955 } 1956 1957 default: 1958 /* Sci-Fi jails are not supported, sorry. */ 1959 return (EINVAL); 1960 } 1961 return (kern_jail(td, &j)); 1962} 1963 1964int 1965freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1966{ 1967 struct uio *auio; 1968 int error; 1969 1970 /* Check that we have an even number of iovecs. */ 1971 if (uap->iovcnt & 1) 1972 return (EINVAL); 1973 1974 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1975 if (error) 1976 return (error); 1977 error = kern_jail_set(td, auio, uap->flags); 1978 free(auio, M_IOV); 1979 return (error); 1980} 1981 1982int 1983freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1984{ 1985 struct iovec32 iov32; 1986 struct uio *auio; 1987 int error, i; 1988 1989 /* Check that we have an even number of iovecs. */ 1990 if (uap->iovcnt & 1) 1991 return (EINVAL); 1992 1993 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1994 if (error) 1995 return (error); 1996 error = kern_jail_get(td, auio, uap->flags); 1997 if (error == 0) 1998 for (i = 0; i < uap->iovcnt; i++) { 1999 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2000 CP(auio->uio_iov[i], iov32, iov_len); 2001 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2002 if (error != 0) 2003 break; 2004 } 2005 free(auio, M_IOV); 2006 return (error); 2007} 2008 2009int 2010freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2011{ 2012 struct sigaction32 s32; 2013 struct sigaction sa, osa, *sap; 2014 int error; 2015 2016 if (uap->act) { 2017 error = copyin(uap->act, &s32, sizeof(s32)); 2018 if (error) 2019 return (error); 2020 sa.sa_handler = PTRIN(s32.sa_u); 2021 CP(s32, sa, sa_flags); 2022 CP(s32, sa, sa_mask); 2023 sap = &sa; 2024 } else 2025 sap = NULL; 2026 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2027 if (error == 0 && uap->oact != NULL) { 2028 s32.sa_u = PTROUT(osa.sa_handler); 2029 CP(osa, s32, sa_flags); 2030 CP(osa, s32, sa_mask); 2031 error = copyout(&s32, uap->oact, sizeof(s32)); 2032 } 2033 return (error); 2034} 2035 2036#ifdef COMPAT_FREEBSD4 2037int 2038freebsd4_freebsd32_sigaction(struct thread *td, 2039 struct freebsd4_freebsd32_sigaction_args *uap) 2040{ 2041 struct sigaction32 s32; 2042 struct sigaction sa, osa, *sap; 2043 int error; 2044 2045 if (uap->act) { 2046 error = copyin(uap->act, &s32, sizeof(s32)); 2047 if (error) 2048 return (error); 2049 sa.sa_handler = PTRIN(s32.sa_u); 2050 CP(s32, sa, sa_flags); 2051 CP(s32, sa, sa_mask); 2052 sap = &sa; 2053 } else 2054 sap = NULL; 2055 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2056 if (error == 0 && uap->oact != NULL) { 2057 s32.sa_u = PTROUT(osa.sa_handler); 2058 CP(osa, s32, sa_flags); 2059 CP(osa, s32, sa_mask); 2060 error = copyout(&s32, uap->oact, sizeof(s32)); 2061 } 2062 return (error); 2063} 2064#endif 2065 2066#ifdef COMPAT_43 2067struct osigaction32 { 2068 u_int32_t sa_u; 2069 osigset_t sa_mask; 2070 int sa_flags; 2071}; 2072 2073#define ONSIG 32 2074 2075int 2076ofreebsd32_sigaction(struct thread *td, 2077 struct ofreebsd32_sigaction_args *uap) 2078{ 2079 struct osigaction32 s32; 2080 struct sigaction sa, osa, *sap; 2081 int error; 2082 2083 if (uap->signum <= 0 || uap->signum >= ONSIG) 2084 return (EINVAL); 2085 2086 if (uap->nsa) { 2087 error = copyin(uap->nsa, &s32, sizeof(s32)); 2088 if (error) 2089 return (error); 2090 sa.sa_handler = PTRIN(s32.sa_u); 2091 CP(s32, sa, sa_flags); 2092 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2093 sap = &sa; 2094 } else 2095 sap = NULL; 2096 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2097 if (error == 0 && uap->osa != NULL) { 2098 s32.sa_u = PTROUT(osa.sa_handler); 2099 CP(osa, s32, sa_flags); 2100 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2101 error = copyout(&s32, uap->osa, sizeof(s32)); 2102 } 2103 return (error); 2104} 2105 2106int 2107ofreebsd32_sigprocmask(struct thread *td, 2108 struct ofreebsd32_sigprocmask_args *uap) 2109{ 2110 sigset_t set, oset; 2111 int error; 2112 2113 OSIG2SIG(uap->mask, set); 2114 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2115 SIG2OSIG(oset, td->td_retval[0]); 2116 return (error); 2117} 2118 2119int 2120ofreebsd32_sigpending(struct thread *td, 2121 struct ofreebsd32_sigpending_args *uap) 2122{ 2123 struct proc *p = td->td_proc; 2124 sigset_t siglist; 2125 2126 PROC_LOCK(p); 2127 siglist = p->p_siglist; 2128 SIGSETOR(siglist, td->td_siglist); 2129 PROC_UNLOCK(p); 2130 SIG2OSIG(siglist, td->td_retval[0]); 2131 return (0); 2132} 2133 2134struct sigvec32 { 2135 u_int32_t sv_handler; 2136 int sv_mask; 2137 int sv_flags; 2138}; 2139 2140int 2141ofreebsd32_sigvec(struct thread *td, 2142 struct ofreebsd32_sigvec_args *uap) 2143{ 2144 struct sigvec32 vec; 2145 struct sigaction sa, osa, *sap; 2146 int error; 2147 2148 if (uap->signum <= 0 || uap->signum >= ONSIG) 2149 return (EINVAL); 2150 2151 if (uap->nsv) { 2152 error = copyin(uap->nsv, &vec, sizeof(vec)); 2153 if (error) 2154 return (error); 2155 sa.sa_handler = PTRIN(vec.sv_handler); 2156 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2157 sa.sa_flags = vec.sv_flags; 2158 sa.sa_flags ^= SA_RESTART; 2159 sap = &sa; 2160 } else 2161 sap = NULL; 2162 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2163 if (error == 0 && uap->osv != NULL) { 2164 vec.sv_handler = PTROUT(osa.sa_handler); 2165 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2166 vec.sv_flags = osa.sa_flags; 2167 vec.sv_flags &= ~SA_NOCLDWAIT; 2168 vec.sv_flags ^= SA_RESTART; 2169 error = copyout(&vec, uap->osv, sizeof(vec)); 2170 } 2171 return (error); 2172} 2173 2174int 2175ofreebsd32_sigblock(struct thread *td, 2176 struct ofreebsd32_sigblock_args *uap) 2177{ 2178 sigset_t set, oset; 2179 2180 OSIG2SIG(uap->mask, set); 2181 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2182 SIG2OSIG(oset, td->td_retval[0]); 2183 return (0); 2184} 2185 2186int 2187ofreebsd32_sigsetmask(struct thread *td, 2188 struct ofreebsd32_sigsetmask_args *uap) 2189{ 2190 sigset_t set, oset; 2191 2192 OSIG2SIG(uap->mask, set); 2193 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2194 SIG2OSIG(oset, td->td_retval[0]); 2195 return (0); 2196} 2197 2198int 2199ofreebsd32_sigsuspend(struct thread *td, 2200 struct ofreebsd32_sigsuspend_args *uap) 2201{ 2202 sigset_t mask; 2203 2204 OSIG2SIG(uap->mask, mask); 2205 return (kern_sigsuspend(td, mask)); 2206} 2207 2208struct sigstack32 { 2209 u_int32_t ss_sp; 2210 int ss_onstack; 2211}; 2212 2213int 2214ofreebsd32_sigstack(struct thread *td, 2215 struct ofreebsd32_sigstack_args *uap) 2216{ 2217 struct sigstack32 s32; 2218 struct sigstack nss, oss; 2219 int error = 0, unss; 2220 2221 if (uap->nss != NULL) { 2222 error = copyin(uap->nss, &s32, sizeof(s32)); 2223 if (error) 2224 return (error); 2225 nss.ss_sp = PTRIN(s32.ss_sp); 2226 CP(s32, nss, ss_onstack); 2227 unss = 1; 2228 } else { 2229 unss = 0; 2230 } 2231 oss.ss_sp = td->td_sigstk.ss_sp; 2232 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2233 if (unss) { 2234 td->td_sigstk.ss_sp = nss.ss_sp; 2235 td->td_sigstk.ss_size = 0; 2236 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2237 td->td_pflags |= TDP_ALTSTACK; 2238 } 2239 if (uap->oss != NULL) { 2240 s32.ss_sp = PTROUT(oss.ss_sp); 2241 CP(oss, s32, ss_onstack); 2242 error = copyout(&s32, uap->oss, sizeof(s32)); 2243 } 2244 return (error); 2245} 2246#endif 2247 2248int 2249freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2250{ 2251 struct timespec32 rmt32, rqt32; 2252 struct timespec rmt, rqt; 2253 int error; 2254 2255 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2256 if (error) 2257 return (error); 2258 2259 CP(rqt32, rqt, tv_sec); 2260 CP(rqt32, rqt, tv_nsec); 2261 2262 if (uap->rmtp && 2263 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2264 return (EFAULT); 2265 error = kern_nanosleep(td, &rqt, &rmt); 2266 if (error && uap->rmtp) { 2267 int error2; 2268 2269 CP(rmt, rmt32, tv_sec); 2270 CP(rmt, rmt32, tv_nsec); 2271 2272 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2273 if (error2) 2274 error = error2; 2275 } 2276 return (error); 2277} 2278 2279int 2280freebsd32_clock_gettime(struct thread *td, 2281 struct freebsd32_clock_gettime_args *uap) 2282{ 2283 struct timespec ats; 2284 struct timespec32 ats32; 2285 int error; 2286 2287 error = kern_clock_gettime(td, uap->clock_id, &ats); 2288 if (error == 0) { 2289 CP(ats, ats32, tv_sec); 2290 CP(ats, ats32, tv_nsec); 2291 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2292 } 2293 return (error); 2294} 2295 2296int 2297freebsd32_clock_settime(struct thread *td, 2298 struct freebsd32_clock_settime_args *uap) 2299{ 2300 struct timespec ats; 2301 struct timespec32 ats32; 2302 int error; 2303 2304 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2305 if (error) 2306 return (error); 2307 CP(ats32, ats, tv_sec); 2308 CP(ats32, ats, tv_nsec); 2309 2310 return (kern_clock_settime(td, uap->clock_id, &ats)); 2311} 2312 2313int 2314freebsd32_clock_getres(struct thread *td, 2315 struct freebsd32_clock_getres_args *uap) 2316{ 2317 struct timespec ts; 2318 struct timespec32 ts32; 2319 int error; 2320 2321 if (uap->tp == NULL) 2322 return (0); 2323 error = kern_clock_getres(td, uap->clock_id, &ts); 2324 if (error == 0) { 2325 CP(ts, ts32, tv_sec); 2326 CP(ts, ts32, tv_nsec); 2327 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2328 } 2329 return (error); 2330} 2331 2332int freebsd32_ktimer_create(struct thread *td, 2333 struct freebsd32_ktimer_create_args *uap) 2334{ 2335 struct sigevent32 ev32; 2336 struct sigevent ev, *evp; 2337 int error, id; 2338 2339 if (uap->evp == NULL) { 2340 evp = NULL; 2341 } else { 2342 evp = &ev; 2343 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2344 if (error != 0) 2345 return (error); 2346 error = convert_sigevent32(&ev32, &ev); 2347 if (error != 0) 2348 return (error); 2349 } 2350 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2351 if (error == 0) { 2352 error = copyout(&id, uap->timerid, sizeof(int)); 2353 if (error != 0) 2354 kern_ktimer_delete(td, id); 2355 } 2356 return (error); 2357} 2358 2359int 2360freebsd32_ktimer_settime(struct thread *td, 2361 struct freebsd32_ktimer_settime_args *uap) 2362{ 2363 struct itimerspec32 val32, oval32; 2364 struct itimerspec val, oval, *ovalp; 2365 int error; 2366 2367 error = copyin(uap->value, &val32, sizeof(val32)); 2368 if (error != 0) 2369 return (error); 2370 ITS_CP(val32, val); 2371 ovalp = uap->ovalue != NULL ? &oval : NULL; 2372 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2373 if (error == 0 && uap->ovalue != NULL) { 2374 ITS_CP(oval, oval32); 2375 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2376 } 2377 return (error); 2378} 2379 2380int 2381freebsd32_ktimer_gettime(struct thread *td, 2382 struct freebsd32_ktimer_gettime_args *uap) 2383{ 2384 struct itimerspec32 val32; 2385 struct itimerspec val; 2386 int error; 2387 2388 error = kern_ktimer_gettime(td, uap->timerid, &val); 2389 if (error == 0) { 2390 ITS_CP(val, val32); 2391 error = copyout(&val32, uap->value, sizeof(val32)); 2392 } 2393 return (error); 2394} 2395 2396int 2397freebsd32_clock_getcpuclockid2(struct thread *td, 2398 struct freebsd32_clock_getcpuclockid2_args *uap) 2399{ 2400 clockid_t clk_id; 2401 int error; 2402 2403 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2404 uap->which, &clk_id); 2405 if (error == 0) 2406 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2407 return (error); 2408} 2409 2410int 2411freebsd32_thr_new(struct thread *td, 2412 struct freebsd32_thr_new_args *uap) 2413{ 2414 struct thr_param32 param32; 2415 struct thr_param param; 2416 int error; 2417 2418 if (uap->param_size < 0 || 2419 uap->param_size > sizeof(struct thr_param32)) 2420 return (EINVAL); 2421 bzero(¶m, sizeof(struct thr_param)); 2422 bzero(¶m32, sizeof(struct thr_param32)); 2423 error = copyin(uap->param, ¶m32, uap->param_size); 2424 if (error != 0) 2425 return (error); 2426 param.start_func = PTRIN(param32.start_func); 2427 param.arg = PTRIN(param32.arg); 2428 param.stack_base = PTRIN(param32.stack_base); 2429 param.stack_size = param32.stack_size; 2430 param.tls_base = PTRIN(param32.tls_base); 2431 param.tls_size = param32.tls_size; 2432 param.child_tid = PTRIN(param32.child_tid); 2433 param.parent_tid = PTRIN(param32.parent_tid); 2434 param.flags = param32.flags; 2435 param.rtp = PTRIN(param32.rtp); 2436 param.spare[0] = PTRIN(param32.spare[0]); 2437 param.spare[1] = PTRIN(param32.spare[1]); 2438 param.spare[2] = PTRIN(param32.spare[2]); 2439 2440 return (kern_thr_new(td, ¶m)); 2441} 2442 2443int 2444freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2445{ 2446 struct timespec32 ts32; 2447 struct timespec ts, *tsp; 2448 int error; 2449 2450 error = 0; 2451 tsp = NULL; 2452 if (uap->timeout != NULL) { 2453 error = copyin((const void *)uap->timeout, (void *)&ts32, 2454 sizeof(struct timespec32)); 2455 if (error != 0) 2456 return (error); 2457 ts.tv_sec = ts32.tv_sec; 2458 ts.tv_nsec = ts32.tv_nsec; 2459 tsp = &ts; 2460 } 2461 return (kern_thr_suspend(td, tsp)); 2462} 2463 2464void 2465siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2466{ 2467 bzero(dst, sizeof(*dst)); 2468 dst->si_signo = src->si_signo; 2469 dst->si_errno = src->si_errno; 2470 dst->si_code = src->si_code; 2471 dst->si_pid = src->si_pid; 2472 dst->si_uid = src->si_uid; 2473 dst->si_status = src->si_status; 2474 dst->si_addr = (uintptr_t)src->si_addr; 2475 dst->si_value.sival_int = src->si_value.sival_int; 2476 dst->si_timerid = src->si_timerid; 2477 dst->si_overrun = src->si_overrun; 2478} 2479 2480int 2481freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2482{ 2483 struct timespec32 ts32; 2484 struct timespec ts; 2485 struct timespec *timeout; 2486 sigset_t set; 2487 ksiginfo_t ksi; 2488 struct siginfo32 si32; 2489 int error; 2490 2491 if (uap->timeout) { 2492 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2493 if (error) 2494 return (error); 2495 ts.tv_sec = ts32.tv_sec; 2496 ts.tv_nsec = ts32.tv_nsec; 2497 timeout = &ts; 2498 } else 2499 timeout = NULL; 2500 2501 error = copyin(uap->set, &set, sizeof(set)); 2502 if (error) 2503 return (error); 2504 2505 error = kern_sigtimedwait(td, set, &ksi, timeout); 2506 if (error) 2507 return (error); 2508 2509 if (uap->info) { 2510 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2511 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2512 } 2513 2514 if (error == 0) 2515 td->td_retval[0] = ksi.ksi_signo; 2516 return (error); 2517} 2518 2519/* 2520 * MPSAFE 2521 */ 2522int 2523freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2524{ 2525 ksiginfo_t ksi; 2526 struct siginfo32 si32; 2527 sigset_t set; 2528 int error; 2529 2530 error = copyin(uap->set, &set, sizeof(set)); 2531 if (error) 2532 return (error); 2533 2534 error = kern_sigtimedwait(td, set, &ksi, NULL); 2535 if (error) 2536 return (error); 2537 2538 if (uap->info) { 2539 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2540 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2541 } 2542 if (error == 0) 2543 td->td_retval[0] = ksi.ksi_signo; 2544 return (error); 2545} 2546 2547int 2548freebsd32_cpuset_setid(struct thread *td, 2549 struct freebsd32_cpuset_setid_args *uap) 2550{ 2551 struct cpuset_setid_args ap; 2552 2553 ap.which = uap->which; 2554 ap.id = PAIR32TO64(id_t,uap->id); 2555 ap.setid = uap->setid; 2556 2557 return (sys_cpuset_setid(td, &ap)); 2558} 2559 2560int 2561freebsd32_cpuset_getid(struct thread *td, 2562 struct freebsd32_cpuset_getid_args *uap) 2563{ 2564 struct cpuset_getid_args ap; 2565 2566 ap.level = uap->level; 2567 ap.which = uap->which; 2568 ap.id = PAIR32TO64(id_t,uap->id); 2569 ap.setid = uap->setid; 2570 2571 return (sys_cpuset_getid(td, &ap)); 2572} 2573 2574int 2575freebsd32_cpuset_getaffinity(struct thread *td, 2576 struct freebsd32_cpuset_getaffinity_args *uap) 2577{ 2578 struct cpuset_getaffinity_args ap; 2579 2580 ap.level = uap->level; 2581 ap.which = uap->which; 2582 ap.id = PAIR32TO64(id_t,uap->id); 2583 ap.cpusetsize = uap->cpusetsize; 2584 ap.mask = uap->mask; 2585 2586 return (sys_cpuset_getaffinity(td, &ap)); 2587} 2588 2589int 2590freebsd32_cpuset_setaffinity(struct thread *td, 2591 struct freebsd32_cpuset_setaffinity_args *uap) 2592{ 2593 struct cpuset_setaffinity_args ap; 2594 2595 ap.level = uap->level; 2596 ap.which = uap->which; 2597 ap.id = PAIR32TO64(id_t,uap->id); 2598 ap.cpusetsize = uap->cpusetsize; 2599 ap.mask = uap->mask; 2600 2601 return (sys_cpuset_setaffinity(td, &ap)); 2602} 2603 2604int 2605freebsd32_nmount(struct thread *td, 2606 struct freebsd32_nmount_args /* { 2607 struct iovec *iovp; 2608 unsigned int iovcnt; 2609 int flags; 2610 } */ *uap) 2611{ 2612 struct uio *auio; 2613 uint64_t flags; 2614 int error; 2615 2616 /* 2617 * Mount flags are now 64-bits. On 32-bit archtectures only 2618 * 32-bits are passed in, but from here on everything handles 2619 * 64-bit flags correctly. 2620 */ 2621 flags = uap->flags; 2622 2623 AUDIT_ARG_FFLAGS(flags); 2624 2625 /* 2626 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2627 * userspace to set this flag, but we must filter it out if we want 2628 * MNT_UPDATE on the root file system to work. 2629 * MNT_ROOTFS should only be set by the kernel when mounting its 2630 * root file system. 2631 */ 2632 flags &= ~MNT_ROOTFS; 2633 2634 /* 2635 * check that we have an even number of iovec's 2636 * and that we have at least two options. 2637 */ 2638 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2639 return (EINVAL); 2640 2641 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2642 if (error) 2643 return (error); 2644 error = vfs_donmount(td, flags, auio); 2645 2646 free(auio, M_IOV); 2647 return error; 2648} 2649 2650#if 0 2651int 2652freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2653{ 2654 struct yyy32 *p32, s32; 2655 struct yyy *p = NULL, s; 2656 struct xxx_arg ap; 2657 int error; 2658 2659 if (uap->zzz) { 2660 error = copyin(uap->zzz, &s32, sizeof(s32)); 2661 if (error) 2662 return (error); 2663 /* translate in */ 2664 p = &s; 2665 } 2666 error = kern_xxx(td, p); 2667 if (error) 2668 return (error); 2669 if (uap->zzz) { 2670 /* translate out */ 2671 error = copyout(&s32, p32, sizeof(s32)); 2672 } 2673 return (error); 2674} 2675#endif 2676 2677int 2678syscall32_register(int *offset, struct sysent *new_sysent, 2679 struct sysent *old_sysent) 2680{ 2681 if (*offset == NO_SYSCALL) { 2682 int i; 2683 2684 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2685 if (freebsd32_sysent[i].sy_call == 2686 (sy_call_t *)lkmnosys) 2687 break; 2688 if (i == SYS_MAXSYSCALL) 2689 return (ENFILE); 2690 *offset = i; 2691 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2692 return (EINVAL); 2693 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2694 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2695 return (EEXIST); 2696 2697 *old_sysent = freebsd32_sysent[*offset]; 2698 freebsd32_sysent[*offset] = *new_sysent; 2699 return 0; 2700} 2701 2702int 2703syscall32_deregister(int *offset, struct sysent *old_sysent) 2704{ 2705 2706 if (*offset) 2707 freebsd32_sysent[*offset] = *old_sysent; 2708 return 0; 2709} 2710 2711int 2712syscall32_module_handler(struct module *mod, int what, void *arg) 2713{ 2714 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2715 modspecific_t ms; 2716 int error; 2717 2718 switch (what) { 2719 case MOD_LOAD: 2720 error = syscall32_register(data->offset, data->new_sysent, 2721 &data->old_sysent); 2722 if (error) { 2723 /* Leave a mark so we know to safely unload below. */ 2724 data->offset = NULL; 2725 return error; 2726 } 2727 ms.intval = *data->offset; 2728 MOD_XLOCK; 2729 module_setspecific(mod, &ms); 2730 MOD_XUNLOCK; 2731 if (data->chainevh) 2732 error = data->chainevh(mod, what, data->chainarg); 2733 return (error); 2734 case MOD_UNLOAD: 2735 /* 2736 * MOD_LOAD failed, so just return without calling the 2737 * chained handler since we didn't pass along the MOD_LOAD 2738 * event. 2739 */ 2740 if (data->offset == NULL) 2741 return (0); 2742 if (data->chainevh) { 2743 error = data->chainevh(mod, what, data->chainarg); 2744 if (error) 2745 return (error); 2746 } 2747 error = syscall32_deregister(data->offset, &data->old_sysent); 2748 return (error); 2749 default: 2750 error = EOPNOTSUPP; 2751 if (data->chainevh) 2752 error = data->chainevh(mod, what, data->chainarg); 2753 return (error); 2754 } 2755} 2756 2757int 2758syscall32_helper_register(struct syscall_helper_data *sd) 2759{ 2760 struct syscall_helper_data *sd1; 2761 int error; 2762 2763 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2764 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2765 &sd1->old_sysent); 2766 if (error != 0) { 2767 syscall32_helper_unregister(sd); 2768 return (error); 2769 } 2770 sd1->registered = 1; 2771 } 2772 return (0); 2773} 2774 2775int 2776syscall32_helper_unregister(struct syscall_helper_data *sd) 2777{ 2778 struct syscall_helper_data *sd1; 2779 2780 for (sd1 = sd; sd1->registered != 0; sd1++) { 2781 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2782 sd1->registered = 0; 2783 } 2784 return (0); 2785} 2786 2787register_t * 2788freebsd32_copyout_strings(struct image_params *imgp) 2789{ 2790 int argc, envc, i; 2791 u_int32_t *vectp; 2792 char *stringp, *destp; 2793 u_int32_t *stack_base; 2794 struct freebsd32_ps_strings *arginfo; 2795 char canary[sizeof(long) * 8]; 2796 int32_t pagesizes32[MAXPAGESIZES]; 2797 size_t execpath_len; 2798 int szsigcode; 2799 2800 /* 2801 * Calculate string base and vector table pointers. 2802 * Also deal with signal trampoline code for this exec type. 2803 */ 2804 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2805 execpath_len = strlen(imgp->execpath) + 1; 2806 else 2807 execpath_len = 0; 2808 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2809 sv_psstrings; 2810 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2811 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2812 else 2813 szsigcode = 0; 2814 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2815 roundup(execpath_len, sizeof(char *)) - 2816 roundup(sizeof(canary), sizeof(char *)) - 2817 roundup(sizeof(pagesizes32), sizeof(char *)) - 2818 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2819 2820 /* 2821 * install sigcode 2822 */ 2823 if (szsigcode != 0) 2824 copyout(imgp->proc->p_sysent->sv_sigcode, 2825 ((caddr_t)arginfo - szsigcode), szsigcode); 2826 2827 /* 2828 * Copy the image path for the rtld. 2829 */ 2830 if (execpath_len != 0) { 2831 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2832 copyout(imgp->execpath, (void *)imgp->execpathp, 2833 execpath_len); 2834 } 2835 2836 /* 2837 * Prepare the canary for SSP. 2838 */ 2839 arc4rand(canary, sizeof(canary), 0); 2840 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2841 sizeof(canary); 2842 copyout(canary, (void *)imgp->canary, sizeof(canary)); 2843 imgp->canarylen = sizeof(canary); 2844 2845 /* 2846 * Prepare the pagesizes array. 2847 */ 2848 for (i = 0; i < MAXPAGESIZES; i++) 2849 pagesizes32[i] = (uint32_t)pagesizes[i]; 2850 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2851 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2852 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2853 imgp->pagesizeslen = sizeof(pagesizes32); 2854 2855 /* 2856 * If we have a valid auxargs ptr, prepare some room 2857 * on the stack. 2858 */ 2859 if (imgp->auxargs) { 2860 /* 2861 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2862 * lower compatibility. 2863 */ 2864 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2865 : (AT_COUNT * 2); 2866 /* 2867 * The '+ 2' is for the null pointers at the end of each of 2868 * the arg and env vector sets,and imgp->auxarg_size is room 2869 * for argument of Runtime loader. 2870 */ 2871 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2872 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2873 sizeof(u_int32_t)); 2874 } else 2875 /* 2876 * The '+ 2' is for the null pointers at the end of each of 2877 * the arg and env vector sets 2878 */ 2879 vectp = (u_int32_t *) 2880 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2881 2882 /* 2883 * vectp also becomes our initial stack base 2884 */ 2885 stack_base = vectp; 2886 2887 stringp = imgp->args->begin_argv; 2888 argc = imgp->args->argc; 2889 envc = imgp->args->envc; 2890 /* 2891 * Copy out strings - arguments and environment. 2892 */ 2893 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2894 2895 /* 2896 * Fill in "ps_strings" struct for ps, w, etc. 2897 */ 2898 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2899 suword32(&arginfo->ps_nargvstr, argc); 2900 2901 /* 2902 * Fill in argument portion of vector table. 2903 */ 2904 for (; argc > 0; --argc) { 2905 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2906 while (*stringp++ != 0) 2907 destp++; 2908 destp++; 2909 } 2910 2911 /* a null vector table pointer separates the argp's from the envp's */ 2912 suword32(vectp++, 0); 2913 2914 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2915 suword32(&arginfo->ps_nenvstr, envc); 2916 2917 /* 2918 * Fill in environment portion of vector table. 2919 */ 2920 for (; envc > 0; --envc) { 2921 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2922 while (*stringp++ != 0) 2923 destp++; 2924 destp++; 2925 } 2926 2927 /* end of vector table is a null pointer */ 2928 suword32(vectp, 0); 2929 2930 return ((register_t *)stack_base); 2931} 2932 2933int 2934freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2935{ 2936 struct kld_file_stat stat; 2937 struct kld32_file_stat stat32; 2938 int error, version; 2939 2940 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2941 != 0) 2942 return (error); 2943 if (version != sizeof(struct kld32_file_stat_1) && 2944 version != sizeof(struct kld32_file_stat)) 2945 return (EINVAL); 2946 2947 error = kern_kldstat(td, uap->fileid, &stat); 2948 if (error != 0) 2949 return (error); 2950 2951 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2952 CP(stat, stat32, refs); 2953 CP(stat, stat32, id); 2954 PTROUT_CP(stat, stat32, address); 2955 CP(stat, stat32, size); 2956 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2957 return (copyout(&stat32, uap->stat, version)); 2958} 2959 2960int 2961freebsd32_posix_fallocate(struct thread *td, 2962 struct freebsd32_posix_fallocate_args *uap) 2963{ 2964 2965 return (kern_posix_fallocate(td, uap->fd, 2966 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); 2967} 2968 2969int 2970freebsd32_posix_fadvise(struct thread *td, 2971 struct freebsd32_posix_fadvise_args *uap) 2972{ 2973 2974 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2975 PAIR32TO64(off_t, uap->len), uap->advice)); 2976} 2977 2978int 2979convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2980{ 2981 2982 CP(*sig32, *sig, sigev_notify); 2983 switch (sig->sigev_notify) { 2984 case SIGEV_NONE: 2985 break; 2986 case SIGEV_THREAD_ID: 2987 CP(*sig32, *sig, sigev_notify_thread_id); 2988 /* FALLTHROUGH */ 2989 case SIGEV_SIGNAL: 2990 CP(*sig32, *sig, sigev_signo); 2991 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2992 break; 2993 case SIGEV_KEVENT: 2994 CP(*sig32, *sig, sigev_notify_kqueue); 2995 CP(*sig32, *sig, sigev_notify_kevent_flags); 2996 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2997 break; 2998 default: 2999 return (EINVAL); 3000 } 3001 return (0); 3002} 3003