e7d939bda2
This includes: o All directories named *ia64* o All files named *ia64* o All ia64-specific code guarded by __ia64__ o All ia64-specific makefile logic o Mention of ia64 in comments and documentation This excludes: o Everything under contrib/ o Everything under crypto/ o sys/xen/interface o sys/sys/elf_common.h Discussed at: BSDcan
2983 lines
66 KiB
C
2983 lines
66 KiB
C
/*-
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* Copyright (c) 2002 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_compat.h"
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#include "opt_inet.h"
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#include "opt_inet6.h"
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#define __ELF_WORD_SIZE 32
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/capsicum.h>
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#include <sys/clock.h>
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#include <sys/exec.h>
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#include <sys/fcntl.h>
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#include <sys/filedesc.h>
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#include <sys/imgact.h>
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#include <sys/jail.h>
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#include <sys/kernel.h>
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#include <sys/limits.h>
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#include <sys/linker.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/file.h> /* Must come after sys/malloc.h */
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#include <sys/imgact.h>
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#include <sys/mbuf.h>
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#include <sys/mman.h>
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#include <sys/module.h>
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#include <sys/mount.h>
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#include <sys/mutex.h>
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#include <sys/namei.h>
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#include <sys/proc.h>
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#include <sys/procctl.h>
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#include <sys/reboot.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <sys/selinfo.h>
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#include <sys/eventvar.h> /* Must come after sys/selinfo.h */
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#include <sys/pipe.h> /* Must come after sys/selinfo.h */
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/stat.h>
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#include <sys/syscall.h>
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#include <sys/syscallsubr.h>
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#include <sys/sysctl.h>
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#include <sys/sysent.h>
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#include <sys/sysproto.h>
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#include <sys/systm.h>
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#include <sys/thr.h>
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#include <sys/unistd.h>
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#include <sys/ucontext.h>
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#include <sys/vnode.h>
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#include <sys/wait.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <sys/condvar.h>
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#include <sys/sf_buf.h>
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#include <sys/sf_sync.h>
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#include <sys/sf_base.h>
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#ifdef INET
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#include <netinet/in.h>
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#endif
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <vm/vm_map.h>
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#include <vm/vm_object.h>
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#include <vm/vm_extern.h>
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#include <machine/cpu.h>
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#include <machine/elf.h>
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#include <security/audit/audit.h>
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#include <compat/freebsd32/freebsd32_util.h>
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#include <compat/freebsd32/freebsd32.h>
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#include <compat/freebsd32/freebsd32_ipc.h>
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#include <compat/freebsd32/freebsd32_misc.h>
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#include <compat/freebsd32/freebsd32_signal.h>
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#include <compat/freebsd32/freebsd32_proto.h>
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FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD");
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#ifndef __mips__
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CTASSERT(sizeof(struct timeval32) == 8);
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CTASSERT(sizeof(struct timespec32) == 8);
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CTASSERT(sizeof(struct itimerval32) == 16);
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#endif
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CTASSERT(sizeof(struct statfs32) == 256);
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#ifndef __mips__
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CTASSERT(sizeof(struct rusage32) == 72);
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#endif
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CTASSERT(sizeof(struct sigaltstack32) == 12);
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CTASSERT(sizeof(struct kevent32) == 20);
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CTASSERT(sizeof(struct iovec32) == 8);
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CTASSERT(sizeof(struct msghdr32) == 28);
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#ifndef __mips__
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CTASSERT(sizeof(struct stat32) == 96);
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#endif
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CTASSERT(sizeof(struct sigaction32) == 24);
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static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
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static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
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void
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freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32)
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{
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TV_CP(*s, *s32, ru_utime);
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TV_CP(*s, *s32, ru_stime);
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CP(*s, *s32, ru_maxrss);
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CP(*s, *s32, ru_ixrss);
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CP(*s, *s32, ru_idrss);
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CP(*s, *s32, ru_isrss);
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CP(*s, *s32, ru_minflt);
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CP(*s, *s32, ru_majflt);
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CP(*s, *s32, ru_nswap);
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CP(*s, *s32, ru_inblock);
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CP(*s, *s32, ru_oublock);
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CP(*s, *s32, ru_msgsnd);
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CP(*s, *s32, ru_msgrcv);
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CP(*s, *s32, ru_nsignals);
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CP(*s, *s32, ru_nvcsw);
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CP(*s, *s32, ru_nivcsw);
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}
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int
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freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
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{
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int error, status;
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struct rusage32 ru32;
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struct rusage ru, *rup;
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if (uap->rusage != NULL)
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rup = &ru;
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else
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rup = NULL;
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error = kern_wait(td, uap->pid, &status, uap->options, rup);
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if (error)
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return (error);
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if (uap->status != NULL)
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error = copyout(&status, uap->status, sizeof(status));
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if (uap->rusage != NULL && error == 0) {
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freebsd32_rusage_out(&ru, &ru32);
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error = copyout(&ru32, uap->rusage, sizeof(ru32));
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}
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return (error);
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}
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int
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freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap)
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{
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struct wrusage32 wru32;
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struct __wrusage wru, *wrup;
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struct siginfo32 si32;
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struct __siginfo si, *sip;
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int error, status;
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if (uap->wrusage != NULL)
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wrup = &wru;
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else
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wrup = NULL;
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if (uap->info != NULL) {
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sip = &si;
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bzero(sip, sizeof(*sip));
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} else
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sip = NULL;
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error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id),
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&status, uap->options, wrup, sip);
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if (error != 0)
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return (error);
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if (uap->status != NULL)
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error = copyout(&status, uap->status, sizeof(status));
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if (uap->wrusage != NULL && error == 0) {
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freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self);
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freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children);
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error = copyout(&wru32, uap->wrusage, sizeof(wru32));
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}
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if (uap->info != NULL && error == 0) {
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siginfo_to_siginfo32 (&si, &si32);
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error = copyout(&si32, uap->info, sizeof(si32));
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}
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return (error);
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}
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#ifdef COMPAT_FREEBSD4
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static void
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copy_statfs(struct statfs *in, struct statfs32 *out)
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{
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statfs_scale_blocks(in, INT32_MAX);
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bzero(out, sizeof(*out));
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CP(*in, *out, f_bsize);
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out->f_iosize = MIN(in->f_iosize, INT32_MAX);
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CP(*in, *out, f_blocks);
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CP(*in, *out, f_bfree);
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CP(*in, *out, f_bavail);
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out->f_files = MIN(in->f_files, INT32_MAX);
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out->f_ffree = MIN(in->f_ffree, INT32_MAX);
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CP(*in, *out, f_fsid);
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CP(*in, *out, f_owner);
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CP(*in, *out, f_type);
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CP(*in, *out, f_flags);
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out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX);
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out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX);
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strlcpy(out->f_fstypename,
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in->f_fstypename, MFSNAMELEN);
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strlcpy(out->f_mntonname,
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in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
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out->f_syncreads = MIN(in->f_syncreads, INT32_MAX);
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out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX);
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strlcpy(out->f_mntfromname,
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in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
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}
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#endif
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#ifdef COMPAT_FREEBSD4
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int
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freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap)
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{
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struct statfs *buf, *sp;
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struct statfs32 stat32;
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size_t count, size;
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int error;
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count = uap->bufsize / sizeof(struct statfs32);
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size = count * sizeof(struct statfs);
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error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags);
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if (size > 0) {
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count = td->td_retval[0];
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sp = buf;
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while (count > 0 && error == 0) {
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copy_statfs(sp, &stat32);
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error = copyout(&stat32, uap->buf, sizeof(stat32));
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sp++;
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uap->buf++;
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count--;
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}
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free(buf, M_TEMP);
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}
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return (error);
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}
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#endif
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int
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freebsd32_sigaltstack(struct thread *td,
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struct freebsd32_sigaltstack_args *uap)
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{
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struct sigaltstack32 s32;
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struct sigaltstack ss, oss, *ssp;
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int error;
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if (uap->ss != NULL) {
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error = copyin(uap->ss, &s32, sizeof(s32));
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if (error)
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return (error);
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PTRIN_CP(s32, ss, ss_sp);
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CP(s32, ss, ss_size);
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CP(s32, ss, ss_flags);
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ssp = &ss;
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} else
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ssp = NULL;
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error = kern_sigaltstack(td, ssp, &oss);
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if (error == 0 && uap->oss != NULL) {
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PTROUT_CP(oss, s32, ss_sp);
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CP(oss, s32, ss_size);
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CP(oss, s32, ss_flags);
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error = copyout(&s32, uap->oss, sizeof(s32));
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}
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return (error);
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}
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|
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/*
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* Custom version of exec_copyin_args() so that we can translate
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* the pointers.
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*/
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int
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freebsd32_exec_copyin_args(struct image_args *args, char *fname,
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enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv)
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{
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char *argp, *envp;
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u_int32_t *p32, arg;
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size_t length;
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int error;
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bzero(args, sizeof(*args));
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if (argv == NULL)
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return (EFAULT);
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|
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/*
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* Allocate demand-paged memory for the file name, argument, and
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* environment strings.
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*/
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error = exec_alloc_args(args);
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if (error != 0)
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return (error);
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|
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/*
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* Copy the file name.
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*/
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if (fname != NULL) {
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args->fname = args->buf;
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error = (segflg == UIO_SYSSPACE) ?
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copystr(fname, args->fname, PATH_MAX, &length) :
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copyinstr(fname, args->fname, PATH_MAX, &length);
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if (error != 0)
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goto err_exit;
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} else
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length = 0;
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args->begin_argv = args->buf + length;
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args->endp = args->begin_argv;
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args->stringspace = ARG_MAX;
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|
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/*
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* extract arguments first
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|
*/
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p32 = argv;
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for (;;) {
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error = copyin(p32++, &arg, sizeof(arg));
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if (error)
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goto err_exit;
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if (arg == 0)
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break;
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argp = PTRIN(arg);
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error = copyinstr(argp, args->endp, args->stringspace, &length);
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if (error) {
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if (error == ENAMETOOLONG)
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error = E2BIG;
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goto err_exit;
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}
|
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args->stringspace -= length;
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args->endp += length;
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args->argc++;
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}
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|
|
|
args->begin_envv = args->endp;
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|
|
|
/*
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* extract environment strings
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|
*/
|
|
if (envv) {
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p32 = envv;
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for (;;) {
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error = copyin(p32++, &arg, sizeof(arg));
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if (error)
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goto err_exit;
|
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if (arg == 0)
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break;
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envp = PTRIN(arg);
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error = copyinstr(envp, args->endp, args->stringspace,
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&length);
|
|
if (error) {
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if (error == ENAMETOOLONG)
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error = E2BIG;
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goto err_exit;
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}
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args->stringspace -= length;
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|
args->endp += length;
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|
args->envc++;
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}
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|
}
|
|
|
|
return (0);
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|
|
|
err_exit:
|
|
exec_free_args(args);
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|
return (error);
|
|
}
|
|
|
|
int
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|
freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
|
|
{
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|
struct image_args eargs;
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|
int error;
|
|
|
|
error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
|
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uap->argv, uap->envv);
|
|
if (error == 0)
|
|
error = kern_execve(td, &eargs, NULL);
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return (error);
|
|
}
|
|
|
|
int
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|
freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
|
|
{
|
|
struct image_args eargs;
|
|
int error;
|
|
|
|
error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
|
|
uap->argv, uap->envv);
|
|
if (error == 0) {
|
|
eargs.fd = uap->fd;
|
|
error = kern_execve(td, &eargs, NULL);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap)
|
|
{
|
|
struct mprotect_args ap;
|
|
|
|
ap.addr = PTRIN(uap->addr);
|
|
ap.len = uap->len;
|
|
ap.prot = uap->prot;
|
|
#if defined(__amd64__)
|
|
if (i386_read_exec && (ap.prot & PROT_READ) != 0)
|
|
ap.prot |= PROT_EXEC;
|
|
#endif
|
|
return (sys_mprotect(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
|
|
{
|
|
struct mmap_args ap;
|
|
vm_offset_t addr = (vm_offset_t) uap->addr;
|
|
vm_size_t len = uap->len;
|
|
int prot = uap->prot;
|
|
int flags = uap->flags;
|
|
int fd = uap->fd;
|
|
off_t pos = PAIR32TO64(off_t,uap->pos);
|
|
|
|
#if defined(__amd64__)
|
|
if (i386_read_exec && (prot & PROT_READ))
|
|
prot |= PROT_EXEC;
|
|
#endif
|
|
|
|
ap.addr = (void *) addr;
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|
ap.len = len;
|
|
ap.prot = prot;
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|
ap.flags = flags;
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|
ap.fd = fd;
|
|
ap.pos = pos;
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|
|
|
return (sys_mmap(td, &ap));
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD6
|
|
int
|
|
freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap)
|
|
{
|
|
struct freebsd32_mmap_args ap;
|
|
|
|
ap.addr = uap->addr;
|
|
ap.len = uap->len;
|
|
ap.prot = uap->prot;
|
|
ap.flags = uap->flags;
|
|
ap.fd = uap->fd;
|
|
ap.pos1 = uap->pos1;
|
|
ap.pos2 = uap->pos2;
|
|
|
|
return (freebsd32_mmap(td, &ap));
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
|
|
{
|
|
struct itimerval itv, oitv, *itvp;
|
|
struct itimerval32 i32;
|
|
int error;
|
|
|
|
if (uap->itv != NULL) {
|
|
error = copyin(uap->itv, &i32, sizeof(i32));
|
|
if (error)
|
|
return (error);
|
|
TV_CP(i32, itv, it_interval);
|
|
TV_CP(i32, itv, it_value);
|
|
itvp = &itv;
|
|
} else
|
|
itvp = NULL;
|
|
error = kern_setitimer(td, uap->which, itvp, &oitv);
|
|
if (error || uap->oitv == NULL)
|
|
return (error);
|
|
TV_CP(oitv, i32, it_interval);
|
|
TV_CP(oitv, i32, it_value);
|
|
return (copyout(&i32, uap->oitv, sizeof(i32)));
|
|
}
|
|
|
|
int
|
|
freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
|
|
{
|
|
struct itimerval itv;
|
|
struct itimerval32 i32;
|
|
int error;
|
|
|
|
error = kern_getitimer(td, uap->which, &itv);
|
|
if (error || uap->itv == NULL)
|
|
return (error);
|
|
TV_CP(itv, i32, it_interval);
|
|
TV_CP(itv, i32, it_value);
|
|
return (copyout(&i32, uap->itv, sizeof(i32)));
|
|
}
|
|
|
|
int
|
|
freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
|
|
{
|
|
struct timeval32 tv32;
|
|
struct timeval tv, *tvp;
|
|
int error;
|
|
|
|
if (uap->tv != NULL) {
|
|
error = copyin(uap->tv, &tv32, sizeof(tv32));
|
|
if (error)
|
|
return (error);
|
|
CP(tv32, tv, tv_sec);
|
|
CP(tv32, tv, tv_usec);
|
|
tvp = &tv;
|
|
} else
|
|
tvp = NULL;
|
|
/*
|
|
* XXX Do pointers need PTRIN()?
|
|
*/
|
|
return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
|
|
sizeof(int32_t) * 8));
|
|
}
|
|
|
|
int
|
|
freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
|
|
{
|
|
struct timespec32 ts32;
|
|
struct timespec ts;
|
|
struct timeval tv, *tvp;
|
|
sigset_t set, *uset;
|
|
int error;
|
|
|
|
if (uap->ts != NULL) {
|
|
error = copyin(uap->ts, &ts32, sizeof(ts32));
|
|
if (error != 0)
|
|
return (error);
|
|
CP(ts32, ts, tv_sec);
|
|
CP(ts32, ts, tv_nsec);
|
|
TIMESPEC_TO_TIMEVAL(&tv, &ts);
|
|
tvp = &tv;
|
|
} else
|
|
tvp = NULL;
|
|
if (uap->sm != NULL) {
|
|
error = copyin(uap->sm, &set, sizeof(set));
|
|
if (error != 0)
|
|
return (error);
|
|
uset = &set;
|
|
} else
|
|
uset = NULL;
|
|
/*
|
|
* XXX Do pointers need PTRIN()?
|
|
*/
|
|
error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
|
|
uset, sizeof(int32_t) * 8);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Copy 'count' items into the destination list pointed to by uap->eventlist.
|
|
*/
|
|
static int
|
|
freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
|
|
{
|
|
struct freebsd32_kevent_args *uap;
|
|
struct kevent32 ks32[KQ_NEVENTS];
|
|
int i, error = 0;
|
|
|
|
KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
|
|
uap = (struct freebsd32_kevent_args *)arg;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
CP(kevp[i], ks32[i], ident);
|
|
CP(kevp[i], ks32[i], filter);
|
|
CP(kevp[i], ks32[i], flags);
|
|
CP(kevp[i], ks32[i], fflags);
|
|
CP(kevp[i], ks32[i], data);
|
|
PTROUT_CP(kevp[i], ks32[i], udata);
|
|
}
|
|
error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
|
|
if (error == 0)
|
|
uap->eventlist += count;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Copy 'count' items from the list pointed to by uap->changelist.
|
|
*/
|
|
static int
|
|
freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
|
|
{
|
|
struct freebsd32_kevent_args *uap;
|
|
struct kevent32 ks32[KQ_NEVENTS];
|
|
int i, error = 0;
|
|
|
|
KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
|
|
uap = (struct freebsd32_kevent_args *)arg;
|
|
|
|
error = copyin(uap->changelist, ks32, count * sizeof *ks32);
|
|
if (error)
|
|
goto done;
|
|
uap->changelist += count;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
CP(ks32[i], kevp[i], ident);
|
|
CP(ks32[i], kevp[i], filter);
|
|
CP(ks32[i], kevp[i], flags);
|
|
CP(ks32[i], kevp[i], fflags);
|
|
CP(ks32[i], kevp[i], data);
|
|
PTRIN_CP(ks32[i], kevp[i], udata);
|
|
}
|
|
done:
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
|
|
{
|
|
struct timespec32 ts32;
|
|
struct timespec ts, *tsp;
|
|
struct kevent_copyops k_ops = { uap,
|
|
freebsd32_kevent_copyout,
|
|
freebsd32_kevent_copyin};
|
|
int error;
|
|
|
|
|
|
if (uap->timeout) {
|
|
error = copyin(uap->timeout, &ts32, sizeof(ts32));
|
|
if (error)
|
|
return (error);
|
|
CP(ts32, ts, tv_sec);
|
|
CP(ts32, ts, tv_nsec);
|
|
tsp = &ts;
|
|
} else
|
|
tsp = NULL;
|
|
error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
|
|
&k_ops, tsp);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_gettimeofday(struct thread *td,
|
|
struct freebsd32_gettimeofday_args *uap)
|
|
{
|
|
struct timeval atv;
|
|
struct timeval32 atv32;
|
|
struct timezone rtz;
|
|
int error = 0;
|
|
|
|
if (uap->tp) {
|
|
microtime(&atv);
|
|
CP(atv, atv32, tv_sec);
|
|
CP(atv, atv32, tv_usec);
|
|
error = copyout(&atv32, uap->tp, sizeof (atv32));
|
|
}
|
|
if (error == 0 && uap->tzp != NULL) {
|
|
rtz.tz_minuteswest = tz_minuteswest;
|
|
rtz.tz_dsttime = tz_dsttime;
|
|
error = copyout(&rtz, uap->tzp, sizeof (rtz));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
|
|
{
|
|
struct rusage32 s32;
|
|
struct rusage s;
|
|
int error;
|
|
|
|
error = kern_getrusage(td, uap->who, &s);
|
|
if (error)
|
|
return (error);
|
|
if (uap->rusage != NULL) {
|
|
freebsd32_rusage_out(&s, &s32);
|
|
error = copyout(&s32, uap->rusage, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
|
|
{
|
|
struct iovec32 iov32;
|
|
struct iovec *iov;
|
|
struct uio *uio;
|
|
u_int iovlen;
|
|
int error, i;
|
|
|
|
*uiop = NULL;
|
|
if (iovcnt > UIO_MAXIOV)
|
|
return (EINVAL);
|
|
iovlen = iovcnt * sizeof(struct iovec);
|
|
uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
|
|
iov = (struct iovec *)(uio + 1);
|
|
for (i = 0; i < iovcnt; i++) {
|
|
error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
|
|
if (error) {
|
|
free(uio, M_IOV);
|
|
return (error);
|
|
}
|
|
iov[i].iov_base = PTRIN(iov32.iov_base);
|
|
iov[i].iov_len = iov32.iov_len;
|
|
}
|
|
uio->uio_iov = iov;
|
|
uio->uio_iovcnt = iovcnt;
|
|
uio->uio_segflg = UIO_USERSPACE;
|
|
uio->uio_offset = -1;
|
|
uio->uio_resid = 0;
|
|
for (i = 0; i < iovcnt; i++) {
|
|
if (iov->iov_len > INT_MAX - uio->uio_resid) {
|
|
free(uio, M_IOV);
|
|
return (EINVAL);
|
|
}
|
|
uio->uio_resid += iov->iov_len;
|
|
iov++;
|
|
}
|
|
*uiop = uio;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
|
|
{
|
|
struct uio *auio;
|
|
int error;
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = kern_readv(td, uap->fd, auio);
|
|
free(auio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
|
|
{
|
|
struct uio *auio;
|
|
int error;
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = kern_writev(td, uap->fd, auio);
|
|
free(auio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
|
|
{
|
|
struct uio *auio;
|
|
int error;
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
|
|
free(auio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
|
|
{
|
|
struct uio *auio;
|
|
int error;
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
|
|
free(auio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
|
|
int error)
|
|
{
|
|
struct iovec32 iov32;
|
|
struct iovec *iov;
|
|
u_int iovlen;
|
|
int i;
|
|
|
|
*iovp = NULL;
|
|
if (iovcnt > UIO_MAXIOV)
|
|
return (error);
|
|
iovlen = iovcnt * sizeof(struct iovec);
|
|
iov = malloc(iovlen, M_IOV, M_WAITOK);
|
|
for (i = 0; i < iovcnt; i++) {
|
|
error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
|
|
if (error) {
|
|
free(iov, M_IOV);
|
|
return (error);
|
|
}
|
|
iov[i].iov_base = PTRIN(iov32.iov_base);
|
|
iov[i].iov_len = iov32.iov_len;
|
|
}
|
|
*iovp = iov;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg)
|
|
{
|
|
struct msghdr32 m32;
|
|
int error;
|
|
|
|
error = copyin(msg32, &m32, sizeof(m32));
|
|
if (error)
|
|
return (error);
|
|
msg->msg_name = PTRIN(m32.msg_name);
|
|
msg->msg_namelen = m32.msg_namelen;
|
|
msg->msg_iov = PTRIN(m32.msg_iov);
|
|
msg->msg_iovlen = m32.msg_iovlen;
|
|
msg->msg_control = PTRIN(m32.msg_control);
|
|
msg->msg_controllen = m32.msg_controllen;
|
|
msg->msg_flags = m32.msg_flags;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
|
|
{
|
|
struct msghdr32 m32;
|
|
int error;
|
|
|
|
m32.msg_name = PTROUT(msg->msg_name);
|
|
m32.msg_namelen = msg->msg_namelen;
|
|
m32.msg_iov = PTROUT(msg->msg_iov);
|
|
m32.msg_iovlen = msg->msg_iovlen;
|
|
m32.msg_control = PTROUT(msg->msg_control);
|
|
m32.msg_controllen = msg->msg_controllen;
|
|
m32.msg_flags = msg->msg_flags;
|
|
error = copyout(&m32, msg32, sizeof(m32));
|
|
return (error);
|
|
}
|
|
|
|
#ifndef __mips__
|
|
#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
|
|
#else
|
|
#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1)
|
|
#endif
|
|
#define FREEBSD32_ALIGN(p) \
|
|
(((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
|
|
#define FREEBSD32_CMSG_SPACE(l) \
|
|
(FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
|
|
|
|
#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
|
|
FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
|
|
static int
|
|
freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
|
|
{
|
|
struct cmsghdr *cm;
|
|
void *data;
|
|
socklen_t clen, datalen;
|
|
int error;
|
|
caddr_t ctlbuf;
|
|
int len, maxlen, copylen;
|
|
struct mbuf *m;
|
|
error = 0;
|
|
|
|
len = msg->msg_controllen;
|
|
maxlen = msg->msg_controllen;
|
|
msg->msg_controllen = 0;
|
|
|
|
m = control;
|
|
ctlbuf = msg->msg_control;
|
|
|
|
while (m && len > 0) {
|
|
cm = mtod(m, struct cmsghdr *);
|
|
clen = m->m_len;
|
|
|
|
while (cm != NULL) {
|
|
|
|
if (sizeof(struct cmsghdr) > clen ||
|
|
cm->cmsg_len > clen) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
data = CMSG_DATA(cm);
|
|
datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
|
|
|
|
/* Adjust message length */
|
|
cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
|
|
datalen;
|
|
|
|
|
|
/* Copy cmsghdr */
|
|
copylen = sizeof(struct cmsghdr);
|
|
if (len < copylen) {
|
|
msg->msg_flags |= MSG_CTRUNC;
|
|
copylen = len;
|
|
}
|
|
|
|
error = copyout(cm,ctlbuf,copylen);
|
|
if (error)
|
|
goto exit;
|
|
|
|
ctlbuf += FREEBSD32_ALIGN(copylen);
|
|
len -= FREEBSD32_ALIGN(copylen);
|
|
|
|
if (len <= 0)
|
|
break;
|
|
|
|
/* Copy data */
|
|
copylen = datalen;
|
|
if (len < copylen) {
|
|
msg->msg_flags |= MSG_CTRUNC;
|
|
copylen = len;
|
|
}
|
|
|
|
error = copyout(data,ctlbuf,copylen);
|
|
if (error)
|
|
goto exit;
|
|
|
|
ctlbuf += FREEBSD32_ALIGN(copylen);
|
|
len -= FREEBSD32_ALIGN(copylen);
|
|
|
|
if (CMSG_SPACE(datalen) < clen) {
|
|
clen -= CMSG_SPACE(datalen);
|
|
cm = (struct cmsghdr *)
|
|
((caddr_t)cm + CMSG_SPACE(datalen));
|
|
} else {
|
|
clen = 0;
|
|
cm = NULL;
|
|
}
|
|
}
|
|
m = m->m_next;
|
|
}
|
|
|
|
msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control;
|
|
|
|
exit:
|
|
return (error);
|
|
|
|
}
|
|
|
|
int
|
|
freebsd32_recvmsg(td, uap)
|
|
struct thread *td;
|
|
struct freebsd32_recvmsg_args /* {
|
|
int s;
|
|
struct msghdr32 *msg;
|
|
int flags;
|
|
} */ *uap;
|
|
{
|
|
struct msghdr msg;
|
|
struct msghdr32 m32;
|
|
struct iovec *uiov, *iov;
|
|
struct mbuf *control = NULL;
|
|
struct mbuf **controlp;
|
|
|
|
int error;
|
|
error = copyin(uap->msg, &m32, sizeof(m32));
|
|
if (error)
|
|
return (error);
|
|
error = freebsd32_copyinmsghdr(uap->msg, &msg);
|
|
if (error)
|
|
return (error);
|
|
error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
|
|
EMSGSIZE);
|
|
if (error)
|
|
return (error);
|
|
msg.msg_flags = uap->flags;
|
|
uiov = msg.msg_iov;
|
|
msg.msg_iov = iov;
|
|
|
|
controlp = (msg.msg_control != NULL) ? &control : NULL;
|
|
error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
|
|
if (error == 0) {
|
|
msg.msg_iov = uiov;
|
|
|
|
if (control != NULL)
|
|
error = freebsd32_copy_msg_out(&msg, control);
|
|
else
|
|
msg.msg_controllen = 0;
|
|
|
|
if (error == 0)
|
|
error = freebsd32_copyoutmsghdr(&msg, uap->msg);
|
|
}
|
|
free(iov, M_IOV);
|
|
|
|
if (control != NULL)
|
|
m_freem(control);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Copy-in the array of control messages constructed using alignment
|
|
* and padding suitable for a 32-bit environment and construct an
|
|
* mbuf using alignment and padding suitable for a 64-bit kernel.
|
|
* The alignment and padding are defined indirectly by CMSG_DATA(),
|
|
* CMSG_SPACE() and CMSG_LEN().
|
|
*/
|
|
static int
|
|
freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
|
|
{
|
|
struct mbuf *m;
|
|
void *md;
|
|
u_int idx, len, msglen;
|
|
int error;
|
|
|
|
buflen = FREEBSD32_ALIGN(buflen);
|
|
|
|
if (buflen > MCLBYTES)
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* Iterate over the buffer and get the length of each message
|
|
* in there. This has 32-bit alignment and padding. Use it to
|
|
* determine the length of these messages when using 64-bit
|
|
* alignment and padding.
|
|
*/
|
|
idx = 0;
|
|
len = 0;
|
|
while (idx < buflen) {
|
|
error = copyin(buf + idx, &msglen, sizeof(msglen));
|
|
if (error)
|
|
return (error);
|
|
if (msglen < sizeof(struct cmsghdr))
|
|
return (EINVAL);
|
|
msglen = FREEBSD32_ALIGN(msglen);
|
|
if (idx + msglen > buflen)
|
|
return (EINVAL);
|
|
idx += msglen;
|
|
msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) -
|
|
FREEBSD32_ALIGN(sizeof(struct cmsghdr));
|
|
len += CMSG_ALIGN(msglen);
|
|
}
|
|
|
|
if (len > MCLBYTES)
|
|
return (EINVAL);
|
|
|
|
m = m_get(M_WAITOK, MT_CONTROL);
|
|
if (len > MLEN)
|
|
MCLGET(m, M_WAITOK);
|
|
m->m_len = len;
|
|
|
|
md = mtod(m, void *);
|
|
while (buflen > 0) {
|
|
error = copyin(buf, md, sizeof(struct cmsghdr));
|
|
if (error)
|
|
break;
|
|
msglen = *(u_int *)md;
|
|
msglen = FREEBSD32_ALIGN(msglen);
|
|
|
|
/* Modify the message length to account for alignment. */
|
|
*(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) -
|
|
FREEBSD32_ALIGN(sizeof(struct cmsghdr));
|
|
|
|
md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr));
|
|
buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr));
|
|
buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
|
|
|
|
msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
|
|
if (msglen > 0) {
|
|
error = copyin(buf, md, msglen);
|
|
if (error)
|
|
break;
|
|
md = (char *)md + CMSG_ALIGN(msglen);
|
|
buf += msglen;
|
|
buflen -= msglen;
|
|
}
|
|
}
|
|
|
|
if (error)
|
|
m_free(m);
|
|
else
|
|
*mp = m;
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_sendmsg(struct thread *td,
|
|
struct freebsd32_sendmsg_args *uap)
|
|
{
|
|
struct msghdr msg;
|
|
struct msghdr32 m32;
|
|
struct iovec *iov;
|
|
struct mbuf *control = NULL;
|
|
struct sockaddr *to = NULL;
|
|
int error;
|
|
|
|
error = copyin(uap->msg, &m32, sizeof(m32));
|
|
if (error)
|
|
return (error);
|
|
error = freebsd32_copyinmsghdr(uap->msg, &msg);
|
|
if (error)
|
|
return (error);
|
|
error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
|
|
EMSGSIZE);
|
|
if (error)
|
|
return (error);
|
|
msg.msg_iov = iov;
|
|
if (msg.msg_name != NULL) {
|
|
error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
|
|
if (error) {
|
|
to = NULL;
|
|
goto out;
|
|
}
|
|
msg.msg_name = to;
|
|
}
|
|
|
|
if (msg.msg_control) {
|
|
if (msg.msg_controllen < sizeof(struct cmsghdr)) {
|
|
error = EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
error = freebsd32_copyin_control(&control, msg.msg_control,
|
|
msg.msg_controllen);
|
|
if (error)
|
|
goto out;
|
|
|
|
msg.msg_control = NULL;
|
|
msg.msg_controllen = 0;
|
|
}
|
|
|
|
error = kern_sendit(td, uap->s, &msg, uap->flags, control,
|
|
UIO_USERSPACE);
|
|
|
|
out:
|
|
free(iov, M_IOV);
|
|
if (to)
|
|
free(to, M_SONAME);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_recvfrom(struct thread *td,
|
|
struct freebsd32_recvfrom_args *uap)
|
|
{
|
|
struct msghdr msg;
|
|
struct iovec aiov;
|
|
int error;
|
|
|
|
if (uap->fromlenaddr) {
|
|
error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
|
|
sizeof(msg.msg_namelen));
|
|
if (error)
|
|
return (error);
|
|
} else {
|
|
msg.msg_namelen = 0;
|
|
}
|
|
|
|
msg.msg_name = PTRIN(uap->from);
|
|
msg.msg_iov = &aiov;
|
|
msg.msg_iovlen = 1;
|
|
aiov.iov_base = PTRIN(uap->buf);
|
|
aiov.iov_len = uap->len;
|
|
msg.msg_control = NULL;
|
|
msg.msg_flags = uap->flags;
|
|
error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
|
|
if (error == 0 && uap->fromlenaddr)
|
|
error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
|
|
sizeof (msg.msg_namelen));
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_settimeofday(struct thread *td,
|
|
struct freebsd32_settimeofday_args *uap)
|
|
{
|
|
struct timeval32 tv32;
|
|
struct timeval tv, *tvp;
|
|
struct timezone tz, *tzp;
|
|
int error;
|
|
|
|
if (uap->tv) {
|
|
error = copyin(uap->tv, &tv32, sizeof(tv32));
|
|
if (error)
|
|
return (error);
|
|
CP(tv32, tv, tv_sec);
|
|
CP(tv32, tv, tv_usec);
|
|
tvp = &tv;
|
|
} else
|
|
tvp = NULL;
|
|
if (uap->tzp) {
|
|
error = copyin(uap->tzp, &tz, sizeof(tz));
|
|
if (error)
|
|
return (error);
|
|
tzp = &tz;
|
|
} else
|
|
tzp = NULL;
|
|
return (kern_settimeofday(td, tvp, tzp));
|
|
}
|
|
|
|
int
|
|
freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
|
|
{
|
|
struct timeval32 s32[2];
|
|
struct timeval s[2], *sp;
|
|
int error;
|
|
|
|
if (uap->tptr != NULL) {
|
|
error = copyin(uap->tptr, s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32[0], s[0], tv_sec);
|
|
CP(s32[0], s[0], tv_usec);
|
|
CP(s32[1], s[1], tv_sec);
|
|
CP(s32[1], s[1], tv_usec);
|
|
sp = s;
|
|
} else
|
|
sp = NULL;
|
|
return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
|
|
}
|
|
|
|
int
|
|
freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
|
|
{
|
|
struct timeval32 s32[2];
|
|
struct timeval s[2], *sp;
|
|
int error;
|
|
|
|
if (uap->tptr != NULL) {
|
|
error = copyin(uap->tptr, s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32[0], s[0], tv_sec);
|
|
CP(s32[0], s[0], tv_usec);
|
|
CP(s32[1], s[1], tv_sec);
|
|
CP(s32[1], s[1], tv_usec);
|
|
sp = s;
|
|
} else
|
|
sp = NULL;
|
|
return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
|
|
}
|
|
|
|
int
|
|
freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
|
|
{
|
|
struct timeval32 s32[2];
|
|
struct timeval s[2], *sp;
|
|
int error;
|
|
|
|
if (uap->tptr != NULL) {
|
|
error = copyin(uap->tptr, s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32[0], s[0], tv_sec);
|
|
CP(s32[0], s[0], tv_usec);
|
|
CP(s32[1], s[1], tv_sec);
|
|
CP(s32[1], s[1], tv_usec);
|
|
sp = s;
|
|
} else
|
|
sp = NULL;
|
|
return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
|
|
}
|
|
|
|
int
|
|
freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
|
|
{
|
|
struct timeval32 s32[2];
|
|
struct timeval s[2], *sp;
|
|
int error;
|
|
|
|
if (uap->times != NULL) {
|
|
error = copyin(uap->times, s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
CP(s32[0], s[0], tv_sec);
|
|
CP(s32[0], s[0], tv_usec);
|
|
CP(s32[1], s[1], tv_sec);
|
|
CP(s32[1], s[1], tv_usec);
|
|
sp = s;
|
|
} else
|
|
sp = NULL;
|
|
return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
|
|
sp, UIO_SYSSPACE));
|
|
}
|
|
|
|
int
|
|
freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
|
|
{
|
|
struct timeval32 tv32;
|
|
struct timeval delta, olddelta, *deltap;
|
|
int error;
|
|
|
|
if (uap->delta) {
|
|
error = copyin(uap->delta, &tv32, sizeof(tv32));
|
|
if (error)
|
|
return (error);
|
|
CP(tv32, delta, tv_sec);
|
|
CP(tv32, delta, tv_usec);
|
|
deltap = δ
|
|
} else
|
|
deltap = NULL;
|
|
error = kern_adjtime(td, deltap, &olddelta);
|
|
if (uap->olddelta && error == 0) {
|
|
CP(olddelta, tv32, tv_sec);
|
|
CP(olddelta, tv32, tv_usec);
|
|
error = copyout(&tv32, uap->olddelta, sizeof(tv32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
|
|
{
|
|
struct statfs32 s32;
|
|
struct statfs s;
|
|
int error;
|
|
|
|
error = kern_statfs(td, uap->path, UIO_USERSPACE, &s);
|
|
if (error)
|
|
return (error);
|
|
copy_statfs(&s, &s32);
|
|
return (copyout(&s32, uap->buf, sizeof(s32)));
|
|
}
|
|
#endif
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
|
|
{
|
|
struct statfs32 s32;
|
|
struct statfs s;
|
|
int error;
|
|
|
|
error = kern_fstatfs(td, uap->fd, &s);
|
|
if (error)
|
|
return (error);
|
|
copy_statfs(&s, &s32);
|
|
return (copyout(&s32, uap->buf, sizeof(s32)));
|
|
}
|
|
#endif
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
|
|
{
|
|
struct statfs32 s32;
|
|
struct statfs s;
|
|
fhandle_t fh;
|
|
int error;
|
|
|
|
if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
|
|
return (error);
|
|
error = kern_fhstatfs(td, fh, &s);
|
|
if (error)
|
|
return (error);
|
|
copy_statfs(&s, &s32);
|
|
return (copyout(&s32, uap->buf, sizeof(s32)));
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
|
|
{
|
|
struct pread_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.nbyte = uap->nbyte;
|
|
ap.offset = PAIR32TO64(off_t,uap->offset);
|
|
return (sys_pread(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
|
|
{
|
|
struct pwrite_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.nbyte = uap->nbyte;
|
|
ap.offset = PAIR32TO64(off_t,uap->offset);
|
|
return (sys_pwrite(td, &ap));
|
|
}
|
|
|
|
#ifdef COMPAT_43
|
|
int
|
|
ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
|
|
{
|
|
struct lseek_args nuap;
|
|
|
|
nuap.fd = uap->fd;
|
|
nuap.offset = uap->offset;
|
|
nuap.whence = uap->whence;
|
|
return (sys_lseek(td, &nuap));
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
|
|
{
|
|
int error;
|
|
struct lseek_args ap;
|
|
off_t pos;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.offset = PAIR32TO64(off_t,uap->offset);
|
|
ap.whence = uap->whence;
|
|
error = sys_lseek(td, &ap);
|
|
/* Expand the quad return into two parts for eax and edx */
|
|
pos = td->td_uretoff.tdu_off;
|
|
td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
|
|
td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
|
|
return error;
|
|
}
|
|
|
|
int
|
|
freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
|
|
{
|
|
struct truncate_args ap;
|
|
|
|
ap.path = uap->path;
|
|
ap.length = PAIR32TO64(off_t,uap->length);
|
|
return (sys_truncate(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
|
|
{
|
|
struct ftruncate_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.length = PAIR32TO64(off_t,uap->length);
|
|
return (sys_ftruncate(td, &ap));
|
|
}
|
|
|
|
#ifdef COMPAT_43
|
|
int
|
|
ofreebsd32_getdirentries(struct thread *td,
|
|
struct ofreebsd32_getdirentries_args *uap)
|
|
{
|
|
struct ogetdirentries_args ap;
|
|
int error;
|
|
long loff;
|
|
int32_t loff_cut;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.count = uap->count;
|
|
ap.basep = NULL;
|
|
error = kern_ogetdirentries(td, &ap, &loff);
|
|
if (error == 0) {
|
|
loff_cut = loff;
|
|
error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_getdirentries(struct thread *td,
|
|
struct freebsd32_getdirentries_args *uap)
|
|
{
|
|
long base;
|
|
int32_t base32;
|
|
int error;
|
|
|
|
error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base,
|
|
NULL, UIO_USERSPACE);
|
|
if (error)
|
|
return (error);
|
|
if (uap->basep != NULL) {
|
|
base32 = base;
|
|
error = copyout(&base32, uap->basep, sizeof(int32_t));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD6
|
|
/* versions with the 'int pad' argument */
|
|
int
|
|
freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
|
|
{
|
|
struct pread_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.nbyte = uap->nbyte;
|
|
ap.offset = PAIR32TO64(off_t,uap->offset);
|
|
return (sys_pread(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
|
|
{
|
|
struct pwrite_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.buf = uap->buf;
|
|
ap.nbyte = uap->nbyte;
|
|
ap.offset = PAIR32TO64(off_t,uap->offset);
|
|
return (sys_pwrite(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
|
|
{
|
|
int error;
|
|
struct lseek_args ap;
|
|
off_t pos;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.offset = PAIR32TO64(off_t,uap->offset);
|
|
ap.whence = uap->whence;
|
|
error = sys_lseek(td, &ap);
|
|
/* Expand the quad return into two parts for eax and edx */
|
|
pos = *(off_t *)(td->td_retval);
|
|
td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
|
|
td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
|
|
return error;
|
|
}
|
|
|
|
int
|
|
freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
|
|
{
|
|
struct truncate_args ap;
|
|
|
|
ap.path = uap->path;
|
|
ap.length = PAIR32TO64(off_t,uap->length);
|
|
return (sys_truncate(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
|
|
{
|
|
struct ftruncate_args ap;
|
|
|
|
ap.fd = uap->fd;
|
|
ap.length = PAIR32TO64(off_t,uap->length);
|
|
return (sys_ftruncate(td, &ap));
|
|
}
|
|
#endif /* COMPAT_FREEBSD6 */
|
|
|
|
struct sf_hdtr32 {
|
|
uint32_t headers;
|
|
int hdr_cnt;
|
|
uint32_t trailers;
|
|
int trl_cnt;
|
|
};
|
|
|
|
struct sf_hdtr_kq32 {
|
|
int kq_fd;
|
|
uint32_t kq_flags;
|
|
uint32_t kq_udata; /* 32-bit void ptr */
|
|
uint32_t kq_ident; /* 32-bit uintptr_t */
|
|
};
|
|
|
|
static int
|
|
freebsd32_do_sendfile(struct thread *td,
|
|
struct freebsd32_sendfile_args *uap, int compat)
|
|
{
|
|
struct sf_hdtr32 hdtr32;
|
|
struct sf_hdtr hdtr;
|
|
struct sf_hdtr_kq32 hdtr_kq32;
|
|
struct sf_hdtr_kq hdtr_kq;
|
|
struct uio *hdr_uio, *trl_uio;
|
|
struct iovec32 *iov32;
|
|
off_t offset;
|
|
int error;
|
|
off_t sbytes;
|
|
|
|
offset = PAIR32TO64(off_t, uap->offset);
|
|
if (offset < 0)
|
|
return (EINVAL);
|
|
|
|
hdr_uio = trl_uio = NULL;
|
|
|
|
if (uap->hdtr != NULL) {
|
|
error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
|
|
if (error)
|
|
goto out;
|
|
PTRIN_CP(hdtr32, hdtr, headers);
|
|
CP(hdtr32, hdtr, hdr_cnt);
|
|
PTRIN_CP(hdtr32, hdtr, trailers);
|
|
CP(hdtr32, hdtr, trl_cnt);
|
|
|
|
if (hdtr.headers != NULL) {
|
|
iov32 = PTRIN(hdtr32.headers);
|
|
error = freebsd32_copyinuio(iov32,
|
|
hdtr32.hdr_cnt, &hdr_uio);
|
|
if (error)
|
|
goto out;
|
|
}
|
|
if (hdtr.trailers != NULL) {
|
|
iov32 = PTRIN(hdtr32.trailers);
|
|
error = freebsd32_copyinuio(iov32,
|
|
hdtr32.trl_cnt, &trl_uio);
|
|
if (error)
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* If SF_KQUEUE is set, then we need to also copy in
|
|
* the kqueue data after the normal hdtr set and set do_kqueue=1.
|
|
*/
|
|
if (uap->flags & SF_KQUEUE) {
|
|
error = copyin(((char *) uap->hdtr) + sizeof(hdtr32),
|
|
&hdtr_kq32,
|
|
sizeof(hdtr_kq32));
|
|
if (error != 0)
|
|
goto out;
|
|
|
|
/* 32->64 bit fields */
|
|
CP(hdtr_kq32, hdtr_kq, kq_fd);
|
|
CP(hdtr_kq32, hdtr_kq, kq_flags);
|
|
PTRIN_CP(hdtr_kq32, hdtr_kq, kq_udata);
|
|
CP(hdtr_kq32, hdtr_kq, kq_ident);
|
|
}
|
|
}
|
|
|
|
|
|
/* Call sendfile */
|
|
/* XXX stack depth! */
|
|
error = _do_sendfile(td, uap->fd, uap->s, uap->flags, compat,
|
|
offset, uap->nbytes, &sbytes, hdr_uio, trl_uio, &hdtr_kq);
|
|
|
|
if (uap->sbytes != NULL)
|
|
copyout(&sbytes, uap->sbytes, sizeof(off_t));
|
|
|
|
out:
|
|
if (hdr_uio)
|
|
free(hdr_uio, M_IOV);
|
|
if (trl_uio)
|
|
free(trl_uio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_sendfile(struct thread *td,
|
|
struct freebsd4_freebsd32_sendfile_args *uap)
|
|
{
|
|
return (freebsd32_do_sendfile(td,
|
|
(struct freebsd32_sendfile_args *)uap, 1));
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
|
|
{
|
|
|
|
return (freebsd32_do_sendfile(td, uap, 0));
|
|
}
|
|
|
|
static void
|
|
copy_stat(struct stat *in, struct stat32 *out)
|
|
{
|
|
|
|
CP(*in, *out, st_dev);
|
|
CP(*in, *out, st_ino);
|
|
CP(*in, *out, st_mode);
|
|
CP(*in, *out, st_nlink);
|
|
CP(*in, *out, st_uid);
|
|
CP(*in, *out, st_gid);
|
|
CP(*in, *out, st_rdev);
|
|
TS_CP(*in, *out, st_atim);
|
|
TS_CP(*in, *out, st_mtim);
|
|
TS_CP(*in, *out, st_ctim);
|
|
CP(*in, *out, st_size);
|
|
CP(*in, *out, st_blocks);
|
|
CP(*in, *out, st_blksize);
|
|
CP(*in, *out, st_flags);
|
|
CP(*in, *out, st_gen);
|
|
TS_CP(*in, *out, st_birthtim);
|
|
}
|
|
|
|
#ifdef COMPAT_43
|
|
static void
|
|
copy_ostat(struct stat *in, struct ostat32 *out)
|
|
{
|
|
|
|
CP(*in, *out, st_dev);
|
|
CP(*in, *out, st_ino);
|
|
CP(*in, *out, st_mode);
|
|
CP(*in, *out, st_nlink);
|
|
CP(*in, *out, st_uid);
|
|
CP(*in, *out, st_gid);
|
|
CP(*in, *out, st_rdev);
|
|
CP(*in, *out, st_size);
|
|
TS_CP(*in, *out, st_atim);
|
|
TS_CP(*in, *out, st_mtim);
|
|
TS_CP(*in, *out, st_ctim);
|
|
CP(*in, *out, st_blksize);
|
|
CP(*in, *out, st_blocks);
|
|
CP(*in, *out, st_flags);
|
|
CP(*in, *out, st_gen);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
|
|
{
|
|
struct stat sb;
|
|
struct stat32 sb32;
|
|
int error;
|
|
|
|
error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&sb, &sb32);
|
|
error = copyout(&sb32, uap->ub, sizeof (sb32));
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_43
|
|
int
|
|
ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
|
|
{
|
|
struct stat sb;
|
|
struct ostat32 sb32;
|
|
int error;
|
|
|
|
error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
|
|
if (error)
|
|
return (error);
|
|
copy_ostat(&sb, &sb32);
|
|
error = copyout(&sb32, uap->ub, sizeof (sb32));
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
|
|
{
|
|
struct stat ub;
|
|
struct stat32 ub32;
|
|
int error;
|
|
|
|
error = kern_fstat(td, uap->fd, &ub);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&ub, &ub32);
|
|
error = copyout(&ub32, uap->ub, sizeof(ub32));
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_43
|
|
int
|
|
ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
|
|
{
|
|
struct stat ub;
|
|
struct ostat32 ub32;
|
|
int error;
|
|
|
|
error = kern_fstat(td, uap->fd, &ub);
|
|
if (error)
|
|
return (error);
|
|
copy_ostat(&ub, &ub32);
|
|
error = copyout(&ub32, uap->ub, sizeof(ub32));
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
|
|
{
|
|
struct stat ub;
|
|
struct stat32 ub32;
|
|
int error;
|
|
|
|
error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&ub, &ub32);
|
|
error = copyout(&ub32, uap->buf, sizeof(ub32));
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
|
|
{
|
|
struct stat sb;
|
|
struct stat32 sb32;
|
|
int error;
|
|
|
|
error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
|
|
if (error)
|
|
return (error);
|
|
copy_stat(&sb, &sb32);
|
|
error = copyout(&sb32, uap->ub, sizeof (sb32));
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_43
|
|
int
|
|
ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
|
|
{
|
|
struct stat sb;
|
|
struct ostat32 sb32;
|
|
int error;
|
|
|
|
error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
|
|
if (error)
|
|
return (error);
|
|
copy_ostat(&sb, &sb32);
|
|
error = copyout(&sb32, uap->ub, sizeof (sb32));
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
|
|
{
|
|
int error, name[CTL_MAXNAME];
|
|
size_t j, oldlen;
|
|
|
|
if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
|
|
return (EINVAL);
|
|
error = copyin(uap->name, name, uap->namelen * sizeof(int));
|
|
if (error)
|
|
return (error);
|
|
if (uap->oldlenp)
|
|
oldlen = fuword32(uap->oldlenp);
|
|
else
|
|
oldlen = 0;
|
|
error = userland_sysctl(td, name, uap->namelen,
|
|
uap->old, &oldlen, 1,
|
|
uap->new, uap->newlen, &j, SCTL_MASK32);
|
|
if (error && error != ENOMEM)
|
|
return (error);
|
|
if (uap->oldlenp)
|
|
suword32(uap->oldlenp, j);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
|
|
{
|
|
uint32_t version;
|
|
int error;
|
|
struct jail j;
|
|
|
|
error = copyin(uap->jail, &version, sizeof(uint32_t));
|
|
if (error)
|
|
return (error);
|
|
|
|
switch (version) {
|
|
case 0:
|
|
{
|
|
/* FreeBSD single IPv4 jails. */
|
|
struct jail32_v0 j32_v0;
|
|
|
|
bzero(&j, sizeof(struct jail));
|
|
error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
|
|
if (error)
|
|
return (error);
|
|
CP(j32_v0, j, version);
|
|
PTRIN_CP(j32_v0, j, path);
|
|
PTRIN_CP(j32_v0, j, hostname);
|
|
j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
|
|
break;
|
|
}
|
|
|
|
case 1:
|
|
/*
|
|
* Version 1 was used by multi-IPv4 jail implementations
|
|
* that never made it into the official kernel.
|
|
*/
|
|
return (EINVAL);
|
|
|
|
case 2: /* JAIL_API_VERSION */
|
|
{
|
|
/* FreeBSD multi-IPv4/IPv6,noIP jails. */
|
|
struct jail32 j32;
|
|
|
|
error = copyin(uap->jail, &j32, sizeof(struct jail32));
|
|
if (error)
|
|
return (error);
|
|
CP(j32, j, version);
|
|
PTRIN_CP(j32, j, path);
|
|
PTRIN_CP(j32, j, hostname);
|
|
PTRIN_CP(j32, j, jailname);
|
|
CP(j32, j, ip4s);
|
|
CP(j32, j, ip6s);
|
|
PTRIN_CP(j32, j, ip4);
|
|
PTRIN_CP(j32, j, ip6);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
/* Sci-Fi jails are not supported, sorry. */
|
|
return (EINVAL);
|
|
}
|
|
return (kern_jail(td, &j));
|
|
}
|
|
|
|
int
|
|
freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
|
|
{
|
|
struct uio *auio;
|
|
int error;
|
|
|
|
/* Check that we have an even number of iovecs. */
|
|
if (uap->iovcnt & 1)
|
|
return (EINVAL);
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = kern_jail_set(td, auio, uap->flags);
|
|
free(auio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
|
|
{
|
|
struct iovec32 iov32;
|
|
struct uio *auio;
|
|
int error, i;
|
|
|
|
/* Check that we have an even number of iovecs. */
|
|
if (uap->iovcnt & 1)
|
|
return (EINVAL);
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = kern_jail_get(td, auio, uap->flags);
|
|
if (error == 0)
|
|
for (i = 0; i < uap->iovcnt; i++) {
|
|
PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
|
|
CP(auio->uio_iov[i], iov32, iov_len);
|
|
error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
|
|
if (error != 0)
|
|
break;
|
|
}
|
|
free(auio, M_IOV);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
|
|
{
|
|
struct sigaction32 s32;
|
|
struct sigaction sa, osa, *sap;
|
|
int error;
|
|
|
|
if (uap->act) {
|
|
error = copyin(uap->act, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
sa.sa_handler = PTRIN(s32.sa_u);
|
|
CP(s32, sa, sa_flags);
|
|
CP(s32, sa, sa_mask);
|
|
sap = &sa;
|
|
} else
|
|
sap = NULL;
|
|
error = kern_sigaction(td, uap->sig, sap, &osa, 0);
|
|
if (error == 0 && uap->oact != NULL) {
|
|
s32.sa_u = PTROUT(osa.sa_handler);
|
|
CP(osa, s32, sa_flags);
|
|
CP(osa, s32, sa_mask);
|
|
error = copyout(&s32, uap->oact, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD4
|
|
int
|
|
freebsd4_freebsd32_sigaction(struct thread *td,
|
|
struct freebsd4_freebsd32_sigaction_args *uap)
|
|
{
|
|
struct sigaction32 s32;
|
|
struct sigaction sa, osa, *sap;
|
|
int error;
|
|
|
|
if (uap->act) {
|
|
error = copyin(uap->act, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
sa.sa_handler = PTRIN(s32.sa_u);
|
|
CP(s32, sa, sa_flags);
|
|
CP(s32, sa, sa_mask);
|
|
sap = &sa;
|
|
} else
|
|
sap = NULL;
|
|
error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
|
|
if (error == 0 && uap->oact != NULL) {
|
|
s32.sa_u = PTROUT(osa.sa_handler);
|
|
CP(osa, s32, sa_flags);
|
|
CP(osa, s32, sa_mask);
|
|
error = copyout(&s32, uap->oact, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
#ifdef COMPAT_43
|
|
struct osigaction32 {
|
|
u_int32_t sa_u;
|
|
osigset_t sa_mask;
|
|
int sa_flags;
|
|
};
|
|
|
|
#define ONSIG 32
|
|
|
|
int
|
|
ofreebsd32_sigaction(struct thread *td,
|
|
struct ofreebsd32_sigaction_args *uap)
|
|
{
|
|
struct osigaction32 s32;
|
|
struct sigaction sa, osa, *sap;
|
|
int error;
|
|
|
|
if (uap->signum <= 0 || uap->signum >= ONSIG)
|
|
return (EINVAL);
|
|
|
|
if (uap->nsa) {
|
|
error = copyin(uap->nsa, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
sa.sa_handler = PTRIN(s32.sa_u);
|
|
CP(s32, sa, sa_flags);
|
|
OSIG2SIG(s32.sa_mask, sa.sa_mask);
|
|
sap = &sa;
|
|
} else
|
|
sap = NULL;
|
|
error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
|
|
if (error == 0 && uap->osa != NULL) {
|
|
s32.sa_u = PTROUT(osa.sa_handler);
|
|
CP(osa, s32, sa_flags);
|
|
SIG2OSIG(osa.sa_mask, s32.sa_mask);
|
|
error = copyout(&s32, uap->osa, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
ofreebsd32_sigprocmask(struct thread *td,
|
|
struct ofreebsd32_sigprocmask_args *uap)
|
|
{
|
|
sigset_t set, oset;
|
|
int error;
|
|
|
|
OSIG2SIG(uap->mask, set);
|
|
error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
|
|
SIG2OSIG(oset, td->td_retval[0]);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
ofreebsd32_sigpending(struct thread *td,
|
|
struct ofreebsd32_sigpending_args *uap)
|
|
{
|
|
struct proc *p = td->td_proc;
|
|
sigset_t siglist;
|
|
|
|
PROC_LOCK(p);
|
|
siglist = p->p_siglist;
|
|
SIGSETOR(siglist, td->td_siglist);
|
|
PROC_UNLOCK(p);
|
|
SIG2OSIG(siglist, td->td_retval[0]);
|
|
return (0);
|
|
}
|
|
|
|
struct sigvec32 {
|
|
u_int32_t sv_handler;
|
|
int sv_mask;
|
|
int sv_flags;
|
|
};
|
|
|
|
int
|
|
ofreebsd32_sigvec(struct thread *td,
|
|
struct ofreebsd32_sigvec_args *uap)
|
|
{
|
|
struct sigvec32 vec;
|
|
struct sigaction sa, osa, *sap;
|
|
int error;
|
|
|
|
if (uap->signum <= 0 || uap->signum >= ONSIG)
|
|
return (EINVAL);
|
|
|
|
if (uap->nsv) {
|
|
error = copyin(uap->nsv, &vec, sizeof(vec));
|
|
if (error)
|
|
return (error);
|
|
sa.sa_handler = PTRIN(vec.sv_handler);
|
|
OSIG2SIG(vec.sv_mask, sa.sa_mask);
|
|
sa.sa_flags = vec.sv_flags;
|
|
sa.sa_flags ^= SA_RESTART;
|
|
sap = &sa;
|
|
} else
|
|
sap = NULL;
|
|
error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
|
|
if (error == 0 && uap->osv != NULL) {
|
|
vec.sv_handler = PTROUT(osa.sa_handler);
|
|
SIG2OSIG(osa.sa_mask, vec.sv_mask);
|
|
vec.sv_flags = osa.sa_flags;
|
|
vec.sv_flags &= ~SA_NOCLDWAIT;
|
|
vec.sv_flags ^= SA_RESTART;
|
|
error = copyout(&vec, uap->osv, sizeof(vec));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
ofreebsd32_sigblock(struct thread *td,
|
|
struct ofreebsd32_sigblock_args *uap)
|
|
{
|
|
sigset_t set, oset;
|
|
|
|
OSIG2SIG(uap->mask, set);
|
|
kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
|
|
SIG2OSIG(oset, td->td_retval[0]);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ofreebsd32_sigsetmask(struct thread *td,
|
|
struct ofreebsd32_sigsetmask_args *uap)
|
|
{
|
|
sigset_t set, oset;
|
|
|
|
OSIG2SIG(uap->mask, set);
|
|
kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
|
|
SIG2OSIG(oset, td->td_retval[0]);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ofreebsd32_sigsuspend(struct thread *td,
|
|
struct ofreebsd32_sigsuspend_args *uap)
|
|
{
|
|
sigset_t mask;
|
|
|
|
OSIG2SIG(uap->mask, mask);
|
|
return (kern_sigsuspend(td, mask));
|
|
}
|
|
|
|
struct sigstack32 {
|
|
u_int32_t ss_sp;
|
|
int ss_onstack;
|
|
};
|
|
|
|
int
|
|
ofreebsd32_sigstack(struct thread *td,
|
|
struct ofreebsd32_sigstack_args *uap)
|
|
{
|
|
struct sigstack32 s32;
|
|
struct sigstack nss, oss;
|
|
int error = 0, unss;
|
|
|
|
if (uap->nss != NULL) {
|
|
error = copyin(uap->nss, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
nss.ss_sp = PTRIN(s32.ss_sp);
|
|
CP(s32, nss, ss_onstack);
|
|
unss = 1;
|
|
} else {
|
|
unss = 0;
|
|
}
|
|
oss.ss_sp = td->td_sigstk.ss_sp;
|
|
oss.ss_onstack = sigonstack(cpu_getstack(td));
|
|
if (unss) {
|
|
td->td_sigstk.ss_sp = nss.ss_sp;
|
|
td->td_sigstk.ss_size = 0;
|
|
td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
|
|
td->td_pflags |= TDP_ALTSTACK;
|
|
}
|
|
if (uap->oss != NULL) {
|
|
s32.ss_sp = PTROUT(oss.ss_sp);
|
|
CP(oss, s32, ss_onstack);
|
|
error = copyout(&s32, uap->oss, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
|
|
{
|
|
struct timespec32 rmt32, rqt32;
|
|
struct timespec rmt, rqt;
|
|
int error;
|
|
|
|
error = copyin(uap->rqtp, &rqt32, sizeof(rqt32));
|
|
if (error)
|
|
return (error);
|
|
|
|
CP(rqt32, rqt, tv_sec);
|
|
CP(rqt32, rqt, tv_nsec);
|
|
|
|
if (uap->rmtp &&
|
|
!useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
|
|
return (EFAULT);
|
|
error = kern_nanosleep(td, &rqt, &rmt);
|
|
if (error && uap->rmtp) {
|
|
int error2;
|
|
|
|
CP(rmt, rmt32, tv_sec);
|
|
CP(rmt, rmt32, tv_nsec);
|
|
|
|
error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32));
|
|
if (error2)
|
|
error = error2;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_clock_gettime(struct thread *td,
|
|
struct freebsd32_clock_gettime_args *uap)
|
|
{
|
|
struct timespec ats;
|
|
struct timespec32 ats32;
|
|
int error;
|
|
|
|
error = kern_clock_gettime(td, uap->clock_id, &ats);
|
|
if (error == 0) {
|
|
CP(ats, ats32, tv_sec);
|
|
CP(ats, ats32, tv_nsec);
|
|
error = copyout(&ats32, uap->tp, sizeof(ats32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_clock_settime(struct thread *td,
|
|
struct freebsd32_clock_settime_args *uap)
|
|
{
|
|
struct timespec ats;
|
|
struct timespec32 ats32;
|
|
int error;
|
|
|
|
error = copyin(uap->tp, &ats32, sizeof(ats32));
|
|
if (error)
|
|
return (error);
|
|
CP(ats32, ats, tv_sec);
|
|
CP(ats32, ats, tv_nsec);
|
|
|
|
return (kern_clock_settime(td, uap->clock_id, &ats));
|
|
}
|
|
|
|
int
|
|
freebsd32_clock_getres(struct thread *td,
|
|
struct freebsd32_clock_getres_args *uap)
|
|
{
|
|
struct timespec ts;
|
|
struct timespec32 ts32;
|
|
int error;
|
|
|
|
if (uap->tp == NULL)
|
|
return (0);
|
|
error = kern_clock_getres(td, uap->clock_id, &ts);
|
|
if (error == 0) {
|
|
CP(ts, ts32, tv_sec);
|
|
CP(ts, ts32, tv_nsec);
|
|
error = copyout(&ts32, uap->tp, sizeof(ts32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int freebsd32_ktimer_create(struct thread *td,
|
|
struct freebsd32_ktimer_create_args *uap)
|
|
{
|
|
struct sigevent32 ev32;
|
|
struct sigevent ev, *evp;
|
|
int error, id;
|
|
|
|
if (uap->evp == NULL) {
|
|
evp = NULL;
|
|
} else {
|
|
evp = &ev;
|
|
error = copyin(uap->evp, &ev32, sizeof(ev32));
|
|
if (error != 0)
|
|
return (error);
|
|
error = convert_sigevent32(&ev32, &ev);
|
|
if (error != 0)
|
|
return (error);
|
|
}
|
|
error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
|
|
if (error == 0) {
|
|
error = copyout(&id, uap->timerid, sizeof(int));
|
|
if (error != 0)
|
|
kern_ktimer_delete(td, id);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_ktimer_settime(struct thread *td,
|
|
struct freebsd32_ktimer_settime_args *uap)
|
|
{
|
|
struct itimerspec32 val32, oval32;
|
|
struct itimerspec val, oval, *ovalp;
|
|
int error;
|
|
|
|
error = copyin(uap->value, &val32, sizeof(val32));
|
|
if (error != 0)
|
|
return (error);
|
|
ITS_CP(val32, val);
|
|
ovalp = uap->ovalue != NULL ? &oval : NULL;
|
|
error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
|
|
if (error == 0 && uap->ovalue != NULL) {
|
|
ITS_CP(oval, oval32);
|
|
error = copyout(&oval32, uap->ovalue, sizeof(oval32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_ktimer_gettime(struct thread *td,
|
|
struct freebsd32_ktimer_gettime_args *uap)
|
|
{
|
|
struct itimerspec32 val32;
|
|
struct itimerspec val;
|
|
int error;
|
|
|
|
error = kern_ktimer_gettime(td, uap->timerid, &val);
|
|
if (error == 0) {
|
|
ITS_CP(val, val32);
|
|
error = copyout(&val32, uap->value, sizeof(val32));
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_clock_getcpuclockid2(struct thread *td,
|
|
struct freebsd32_clock_getcpuclockid2_args *uap)
|
|
{
|
|
clockid_t clk_id;
|
|
int error;
|
|
|
|
error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
|
|
uap->which, &clk_id);
|
|
if (error == 0)
|
|
error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_thr_new(struct thread *td,
|
|
struct freebsd32_thr_new_args *uap)
|
|
{
|
|
struct thr_param32 param32;
|
|
struct thr_param param;
|
|
int error;
|
|
|
|
if (uap->param_size < 0 ||
|
|
uap->param_size > sizeof(struct thr_param32))
|
|
return (EINVAL);
|
|
bzero(¶m, sizeof(struct thr_param));
|
|
bzero(¶m32, sizeof(struct thr_param32));
|
|
error = copyin(uap->param, ¶m32, uap->param_size);
|
|
if (error != 0)
|
|
return (error);
|
|
param.start_func = PTRIN(param32.start_func);
|
|
param.arg = PTRIN(param32.arg);
|
|
param.stack_base = PTRIN(param32.stack_base);
|
|
param.stack_size = param32.stack_size;
|
|
param.tls_base = PTRIN(param32.tls_base);
|
|
param.tls_size = param32.tls_size;
|
|
param.child_tid = PTRIN(param32.child_tid);
|
|
param.parent_tid = PTRIN(param32.parent_tid);
|
|
param.flags = param32.flags;
|
|
param.rtp = PTRIN(param32.rtp);
|
|
param.spare[0] = PTRIN(param32.spare[0]);
|
|
param.spare[1] = PTRIN(param32.spare[1]);
|
|
param.spare[2] = PTRIN(param32.spare[2]);
|
|
|
|
return (kern_thr_new(td, ¶m));
|
|
}
|
|
|
|
int
|
|
freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
|
|
{
|
|
struct timespec32 ts32;
|
|
struct timespec ts, *tsp;
|
|
int error;
|
|
|
|
error = 0;
|
|
tsp = NULL;
|
|
if (uap->timeout != NULL) {
|
|
error = copyin((const void *)uap->timeout, (void *)&ts32,
|
|
sizeof(struct timespec32));
|
|
if (error != 0)
|
|
return (error);
|
|
ts.tv_sec = ts32.tv_sec;
|
|
ts.tv_nsec = ts32.tv_nsec;
|
|
tsp = &ts;
|
|
}
|
|
return (kern_thr_suspend(td, tsp));
|
|
}
|
|
|
|
void
|
|
siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
|
|
{
|
|
bzero(dst, sizeof(*dst));
|
|
dst->si_signo = src->si_signo;
|
|
dst->si_errno = src->si_errno;
|
|
dst->si_code = src->si_code;
|
|
dst->si_pid = src->si_pid;
|
|
dst->si_uid = src->si_uid;
|
|
dst->si_status = src->si_status;
|
|
dst->si_addr = (uintptr_t)src->si_addr;
|
|
dst->si_value.sival_int = src->si_value.sival_int;
|
|
dst->si_timerid = src->si_timerid;
|
|
dst->si_overrun = src->si_overrun;
|
|
}
|
|
|
|
int
|
|
freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
|
|
{
|
|
struct timespec32 ts32;
|
|
struct timespec ts;
|
|
struct timespec *timeout;
|
|
sigset_t set;
|
|
ksiginfo_t ksi;
|
|
struct siginfo32 si32;
|
|
int error;
|
|
|
|
if (uap->timeout) {
|
|
error = copyin(uap->timeout, &ts32, sizeof(ts32));
|
|
if (error)
|
|
return (error);
|
|
ts.tv_sec = ts32.tv_sec;
|
|
ts.tv_nsec = ts32.tv_nsec;
|
|
timeout = &ts;
|
|
} else
|
|
timeout = NULL;
|
|
|
|
error = copyin(uap->set, &set, sizeof(set));
|
|
if (error)
|
|
return (error);
|
|
|
|
error = kern_sigtimedwait(td, set, &ksi, timeout);
|
|
if (error)
|
|
return (error);
|
|
|
|
if (uap->info) {
|
|
siginfo_to_siginfo32(&ksi.ksi_info, &si32);
|
|
error = copyout(&si32, uap->info, sizeof(struct siginfo32));
|
|
}
|
|
|
|
if (error == 0)
|
|
td->td_retval[0] = ksi.ksi_signo;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* MPSAFE
|
|
*/
|
|
int
|
|
freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
|
|
{
|
|
ksiginfo_t ksi;
|
|
struct siginfo32 si32;
|
|
sigset_t set;
|
|
int error;
|
|
|
|
error = copyin(uap->set, &set, sizeof(set));
|
|
if (error)
|
|
return (error);
|
|
|
|
error = kern_sigtimedwait(td, set, &ksi, NULL);
|
|
if (error)
|
|
return (error);
|
|
|
|
if (uap->info) {
|
|
siginfo_to_siginfo32(&ksi.ksi_info, &si32);
|
|
error = copyout(&si32, uap->info, sizeof(struct siginfo32));
|
|
}
|
|
if (error == 0)
|
|
td->td_retval[0] = ksi.ksi_signo;
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
freebsd32_cpuset_setid(struct thread *td,
|
|
struct freebsd32_cpuset_setid_args *uap)
|
|
{
|
|
struct cpuset_setid_args ap;
|
|
|
|
ap.which = uap->which;
|
|
ap.id = PAIR32TO64(id_t,uap->id);
|
|
ap.setid = uap->setid;
|
|
|
|
return (sys_cpuset_setid(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_cpuset_getid(struct thread *td,
|
|
struct freebsd32_cpuset_getid_args *uap)
|
|
{
|
|
struct cpuset_getid_args ap;
|
|
|
|
ap.level = uap->level;
|
|
ap.which = uap->which;
|
|
ap.id = PAIR32TO64(id_t,uap->id);
|
|
ap.setid = uap->setid;
|
|
|
|
return (sys_cpuset_getid(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_cpuset_getaffinity(struct thread *td,
|
|
struct freebsd32_cpuset_getaffinity_args *uap)
|
|
{
|
|
struct cpuset_getaffinity_args ap;
|
|
|
|
ap.level = uap->level;
|
|
ap.which = uap->which;
|
|
ap.id = PAIR32TO64(id_t,uap->id);
|
|
ap.cpusetsize = uap->cpusetsize;
|
|
ap.mask = uap->mask;
|
|
|
|
return (sys_cpuset_getaffinity(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_cpuset_setaffinity(struct thread *td,
|
|
struct freebsd32_cpuset_setaffinity_args *uap)
|
|
{
|
|
struct cpuset_setaffinity_args ap;
|
|
|
|
ap.level = uap->level;
|
|
ap.which = uap->which;
|
|
ap.id = PAIR32TO64(id_t,uap->id);
|
|
ap.cpusetsize = uap->cpusetsize;
|
|
ap.mask = uap->mask;
|
|
|
|
return (sys_cpuset_setaffinity(td, &ap));
|
|
}
|
|
|
|
int
|
|
freebsd32_nmount(struct thread *td,
|
|
struct freebsd32_nmount_args /* {
|
|
struct iovec *iovp;
|
|
unsigned int iovcnt;
|
|
int flags;
|
|
} */ *uap)
|
|
{
|
|
struct uio *auio;
|
|
uint64_t flags;
|
|
int error;
|
|
|
|
/*
|
|
* Mount flags are now 64-bits. On 32-bit archtectures only
|
|
* 32-bits are passed in, but from here on everything handles
|
|
* 64-bit flags correctly.
|
|
*/
|
|
flags = uap->flags;
|
|
|
|
AUDIT_ARG_FFLAGS(flags);
|
|
|
|
/*
|
|
* Filter out MNT_ROOTFS. We do not want clients of nmount() in
|
|
* userspace to set this flag, but we must filter it out if we want
|
|
* MNT_UPDATE on the root file system to work.
|
|
* MNT_ROOTFS should only be set by the kernel when mounting its
|
|
* root file system.
|
|
*/
|
|
flags &= ~MNT_ROOTFS;
|
|
|
|
/*
|
|
* check that we have an even number of iovec's
|
|
* and that we have at least two options.
|
|
*/
|
|
if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
|
|
return (EINVAL);
|
|
|
|
error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
|
|
if (error)
|
|
return (error);
|
|
error = vfs_donmount(td, flags, auio);
|
|
|
|
free(auio, M_IOV);
|
|
return error;
|
|
}
|
|
|
|
#if 0
|
|
int
|
|
freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
|
|
{
|
|
struct yyy32 *p32, s32;
|
|
struct yyy *p = NULL, s;
|
|
struct xxx_arg ap;
|
|
int error;
|
|
|
|
if (uap->zzz) {
|
|
error = copyin(uap->zzz, &s32, sizeof(s32));
|
|
if (error)
|
|
return (error);
|
|
/* translate in */
|
|
p = &s;
|
|
}
|
|
error = kern_xxx(td, p);
|
|
if (error)
|
|
return (error);
|
|
if (uap->zzz) {
|
|
/* translate out */
|
|
error = copyout(&s32, p32, sizeof(s32));
|
|
}
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
syscall32_register(int *offset, struct sysent *new_sysent,
|
|
struct sysent *old_sysent)
|
|
{
|
|
if (*offset == NO_SYSCALL) {
|
|
int i;
|
|
|
|
for (i = 1; i < SYS_MAXSYSCALL; ++i)
|
|
if (freebsd32_sysent[i].sy_call ==
|
|
(sy_call_t *)lkmnosys)
|
|
break;
|
|
if (i == SYS_MAXSYSCALL)
|
|
return (ENFILE);
|
|
*offset = i;
|
|
} else if (*offset < 0 || *offset >= SYS_MAXSYSCALL)
|
|
return (EINVAL);
|
|
else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys &&
|
|
freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys)
|
|
return (EEXIST);
|
|
|
|
*old_sysent = freebsd32_sysent[*offset];
|
|
freebsd32_sysent[*offset] = *new_sysent;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
syscall32_deregister(int *offset, struct sysent *old_sysent)
|
|
{
|
|
|
|
if (*offset)
|
|
freebsd32_sysent[*offset] = *old_sysent;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
syscall32_module_handler(struct module *mod, int what, void *arg)
|
|
{
|
|
struct syscall_module_data *data = (struct syscall_module_data*)arg;
|
|
modspecific_t ms;
|
|
int error;
|
|
|
|
switch (what) {
|
|
case MOD_LOAD:
|
|
error = syscall32_register(data->offset, data->new_sysent,
|
|
&data->old_sysent);
|
|
if (error) {
|
|
/* Leave a mark so we know to safely unload below. */
|
|
data->offset = NULL;
|
|
return error;
|
|
}
|
|
ms.intval = *data->offset;
|
|
MOD_XLOCK;
|
|
module_setspecific(mod, &ms);
|
|
MOD_XUNLOCK;
|
|
if (data->chainevh)
|
|
error = data->chainevh(mod, what, data->chainarg);
|
|
return (error);
|
|
case MOD_UNLOAD:
|
|
/*
|
|
* MOD_LOAD failed, so just return without calling the
|
|
* chained handler since we didn't pass along the MOD_LOAD
|
|
* event.
|
|
*/
|
|
if (data->offset == NULL)
|
|
return (0);
|
|
if (data->chainevh) {
|
|
error = data->chainevh(mod, what, data->chainarg);
|
|
if (error)
|
|
return (error);
|
|
}
|
|
error = syscall32_deregister(data->offset, &data->old_sysent);
|
|
return (error);
|
|
default:
|
|
error = EOPNOTSUPP;
|
|
if (data->chainevh)
|
|
error = data->chainevh(mod, what, data->chainarg);
|
|
return (error);
|
|
}
|
|
}
|
|
|
|
int
|
|
syscall32_helper_register(struct syscall_helper_data *sd)
|
|
{
|
|
struct syscall_helper_data *sd1;
|
|
int error;
|
|
|
|
for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) {
|
|
error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent,
|
|
&sd1->old_sysent);
|
|
if (error != 0) {
|
|
syscall32_helper_unregister(sd);
|
|
return (error);
|
|
}
|
|
sd1->registered = 1;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
syscall32_helper_unregister(struct syscall_helper_data *sd)
|
|
{
|
|
struct syscall_helper_data *sd1;
|
|
|
|
for (sd1 = sd; sd1->registered != 0; sd1++) {
|
|
syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent);
|
|
sd1->registered = 0;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
register_t *
|
|
freebsd32_copyout_strings(struct image_params *imgp)
|
|
{
|
|
int argc, envc, i;
|
|
u_int32_t *vectp;
|
|
char *stringp;
|
|
uintptr_t destp;
|
|
u_int32_t *stack_base;
|
|
struct freebsd32_ps_strings *arginfo;
|
|
char canary[sizeof(long) * 8];
|
|
int32_t pagesizes32[MAXPAGESIZES];
|
|
size_t execpath_len;
|
|
int szsigcode;
|
|
|
|
/*
|
|
* Calculate string base and vector table pointers.
|
|
* Also deal with signal trampoline code for this exec type.
|
|
*/
|
|
if (imgp->execpath != NULL && imgp->auxargs != NULL)
|
|
execpath_len = strlen(imgp->execpath) + 1;
|
|
else
|
|
execpath_len = 0;
|
|
arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
|
|
sv_psstrings;
|
|
if (imgp->proc->p_sysent->sv_sigcode_base == 0)
|
|
szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
|
|
else
|
|
szsigcode = 0;
|
|
destp = (uintptr_t)arginfo;
|
|
|
|
/*
|
|
* install sigcode
|
|
*/
|
|
if (szsigcode != 0) {
|
|
destp -= szsigcode;
|
|
destp = rounddown2(destp, sizeof(uint32_t));
|
|
copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp,
|
|
szsigcode);
|
|
}
|
|
|
|
/*
|
|
* Copy the image path for the rtld.
|
|
*/
|
|
if (execpath_len != 0) {
|
|
destp -= execpath_len;
|
|
imgp->execpathp = destp;
|
|
copyout(imgp->execpath, (void *)destp, execpath_len);
|
|
}
|
|
|
|
/*
|
|
* Prepare the canary for SSP.
|
|
*/
|
|
arc4rand(canary, sizeof(canary), 0);
|
|
destp -= sizeof(canary);
|
|
imgp->canary = destp;
|
|
copyout(canary, (void *)destp, sizeof(canary));
|
|
imgp->canarylen = sizeof(canary);
|
|
|
|
/*
|
|
* Prepare the pagesizes array.
|
|
*/
|
|
for (i = 0; i < MAXPAGESIZES; i++)
|
|
pagesizes32[i] = (uint32_t)pagesizes[i];
|
|
destp -= sizeof(pagesizes32);
|
|
destp = rounddown2(destp, sizeof(uint32_t));
|
|
imgp->pagesizes = destp;
|
|
copyout(pagesizes32, (void *)destp, sizeof(pagesizes32));
|
|
imgp->pagesizeslen = sizeof(pagesizes32);
|
|
|
|
destp -= ARG_MAX - imgp->args->stringspace;
|
|
destp = rounddown2(destp, sizeof(uint32_t));
|
|
|
|
/*
|
|
* If we have a valid auxargs ptr, prepare some room
|
|
* on the stack.
|
|
*/
|
|
if (imgp->auxargs) {
|
|
/*
|
|
* 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
|
|
* lower compatibility.
|
|
*/
|
|
imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
|
|
: (AT_COUNT * 2);
|
|
/*
|
|
* The '+ 2' is for the null pointers at the end of each of
|
|
* the arg and env vector sets,and imgp->auxarg_size is room
|
|
* for argument of Runtime loader.
|
|
*/
|
|
vectp = (u_int32_t *) (destp - (imgp->args->argc +
|
|
imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
|
|
sizeof(u_int32_t));
|
|
} else {
|
|
/*
|
|
* The '+ 2' is for the null pointers at the end of each of
|
|
* the arg and env vector sets
|
|
*/
|
|
vectp = (u_int32_t *)(destp - (imgp->args->argc +
|
|
imgp->args->envc + 2) * sizeof(u_int32_t));
|
|
}
|
|
|
|
/*
|
|
* vectp also becomes our initial stack base
|
|
*/
|
|
stack_base = vectp;
|
|
|
|
stringp = imgp->args->begin_argv;
|
|
argc = imgp->args->argc;
|
|
envc = imgp->args->envc;
|
|
/*
|
|
* Copy out strings - arguments and environment.
|
|
*/
|
|
copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace);
|
|
|
|
/*
|
|
* Fill in "ps_strings" struct for ps, w, etc.
|
|
*/
|
|
suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp);
|
|
suword32(&arginfo->ps_nargvstr, argc);
|
|
|
|
/*
|
|
* Fill in argument portion of vector table.
|
|
*/
|
|
for (; argc > 0; --argc) {
|
|
suword32(vectp++, (u_int32_t)(intptr_t)destp);
|
|
while (*stringp++ != 0)
|
|
destp++;
|
|
destp++;
|
|
}
|
|
|
|
/* a null vector table pointer separates the argp's from the envp's */
|
|
suword32(vectp++, 0);
|
|
|
|
suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp);
|
|
suword32(&arginfo->ps_nenvstr, envc);
|
|
|
|
/*
|
|
* Fill in environment portion of vector table.
|
|
*/
|
|
for (; envc > 0; --envc) {
|
|
suword32(vectp++, (u_int32_t)(intptr_t)destp);
|
|
while (*stringp++ != 0)
|
|
destp++;
|
|
destp++;
|
|
}
|
|
|
|
/* end of vector table is a null pointer */
|
|
suword32(vectp, 0);
|
|
|
|
return ((register_t *)stack_base);
|
|
}
|
|
|
|
int
|
|
freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
|
|
{
|
|
struct kld_file_stat stat;
|
|
struct kld32_file_stat stat32;
|
|
int error, version;
|
|
|
|
if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
|
|
!= 0)
|
|
return (error);
|
|
if (version != sizeof(struct kld32_file_stat_1) &&
|
|
version != sizeof(struct kld32_file_stat))
|
|
return (EINVAL);
|
|
|
|
error = kern_kldstat(td, uap->fileid, &stat);
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name));
|
|
CP(stat, stat32, refs);
|
|
CP(stat, stat32, id);
|
|
PTROUT_CP(stat, stat32, address);
|
|
CP(stat, stat32, size);
|
|
bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname));
|
|
return (copyout(&stat32, uap->stat, version));
|
|
}
|
|
|
|
int
|
|
freebsd32_posix_fallocate(struct thread *td,
|
|
struct freebsd32_posix_fallocate_args *uap)
|
|
{
|
|
|
|
td->td_retval[0] = kern_posix_fallocate(td, uap->fd,
|
|
PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
freebsd32_posix_fadvise(struct thread *td,
|
|
struct freebsd32_posix_fadvise_args *uap)
|
|
{
|
|
|
|
td->td_retval[0] = kern_posix_fadvise(td, uap->fd,
|
|
PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len),
|
|
uap->advice);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
|
|
{
|
|
|
|
CP(*sig32, *sig, sigev_notify);
|
|
switch (sig->sigev_notify) {
|
|
case SIGEV_NONE:
|
|
break;
|
|
case SIGEV_THREAD_ID:
|
|
CP(*sig32, *sig, sigev_notify_thread_id);
|
|
/* FALLTHROUGH */
|
|
case SIGEV_SIGNAL:
|
|
CP(*sig32, *sig, sigev_signo);
|
|
PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
|
|
break;
|
|
case SIGEV_KEVENT:
|
|
CP(*sig32, *sig, sigev_notify_kqueue);
|
|
CP(*sig32, *sig, sigev_notify_kevent_flags);
|
|
PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
|
|
break;
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
|
|
{
|
|
void *data;
|
|
int error, flags;
|
|
|
|
switch (uap->com) {
|
|
case PROC_SPROTECT:
|
|
error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
|
|
if (error)
|
|
return (error);
|
|
data = &flags;
|
|
break;
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
return (kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
|
|
uap->com, data));
|
|
}
|