/*- * Copyright (c) 2002 Doug Rabson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_compat.h" #include "opt_inet.h" #include "opt_inet6.h" #define __ELF_WORD_SIZE 32 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Must come after sys/malloc.h */ #include #include #include #include #include #include #include #include #include #include #include #include #include /* Must come after sys/selinfo.h */ #include /* Must come after sys/selinfo.h */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); #ifndef __mips__ CTASSERT(sizeof(struct timeval32) == 8); CTASSERT(sizeof(struct timespec32) == 8); CTASSERT(sizeof(struct itimerval32) == 16); #endif CTASSERT(sizeof(struct statfs32) == 256); #ifndef __mips__ CTASSERT(sizeof(struct rusage32) == 72); #endif CTASSERT(sizeof(struct sigaltstack32) == 12); CTASSERT(sizeof(struct kevent32) == 20); CTASSERT(sizeof(struct iovec32) == 8); CTASSERT(sizeof(struct msghdr32) == 28); #ifndef __mips__ CTASSERT(sizeof(struct stat32) == 96); #endif CTASSERT(sizeof(struct sigaction32) == 24); static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); void freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) { TV_CP(*s, *s32, ru_utime); TV_CP(*s, *s32, ru_stime); CP(*s, *s32, ru_maxrss); CP(*s, *s32, ru_ixrss); CP(*s, *s32, ru_idrss); CP(*s, *s32, ru_isrss); CP(*s, *s32, ru_minflt); CP(*s, *s32, ru_majflt); CP(*s, *s32, ru_nswap); CP(*s, *s32, ru_inblock); CP(*s, *s32, ru_oublock); CP(*s, *s32, ru_msgsnd); CP(*s, *s32, ru_msgrcv); CP(*s, *s32, ru_nsignals); CP(*s, *s32, ru_nvcsw); CP(*s, *s32, ru_nivcsw); } int freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) { int error, status; struct rusage32 ru32; struct rusage ru, *rup; if (uap->rusage != NULL) rup = &ru; else rup = NULL; error = kern_wait(td, uap->pid, &status, uap->options, rup); if (error) return (error); if (uap->status != NULL) error = copyout(&status, uap->status, sizeof(status)); if (uap->rusage != NULL && error == 0) { freebsd32_rusage_out(&ru, &ru32); error = copyout(&ru32, uap->rusage, sizeof(ru32)); } return (error); } int freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) { struct wrusage32 wru32; struct __wrusage wru, *wrup; struct siginfo32 si32; struct __siginfo si, *sip; int error, status; if (uap->wrusage != NULL) wrup = &wru; else wrup = NULL; if (uap->info != NULL) { sip = &si; bzero(sip, sizeof(*sip)); } else sip = NULL; error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), &status, uap->options, wrup, sip); if (error != 0) return (error); if (uap->status != NULL) error = copyout(&status, uap->status, sizeof(status)); if (uap->wrusage != NULL && error == 0) { freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); error = copyout(&wru32, uap->wrusage, sizeof(wru32)); } if (uap->info != NULL && error == 0) { siginfo_to_siginfo32 (&si, &si32); error = copyout(&si32, uap->info, sizeof(si32)); } return (error); } #ifdef COMPAT_FREEBSD4 static void copy_statfs(struct statfs *in, struct statfs32 *out) { statfs_scale_blocks(in, INT32_MAX); bzero(out, sizeof(*out)); CP(*in, *out, f_bsize); out->f_iosize = MIN(in->f_iosize, INT32_MAX); CP(*in, *out, f_blocks); CP(*in, *out, f_bfree); CP(*in, *out, f_bavail); out->f_files = MIN(in->f_files, INT32_MAX); out->f_ffree = MIN(in->f_ffree, INT32_MAX); CP(*in, *out, f_fsid); CP(*in, *out, f_owner); CP(*in, *out, f_type); CP(*in, *out, f_flags); out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); strlcpy(out->f_fstypename, in->f_fstypename, MFSNAMELEN); strlcpy(out->f_mntonname, in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); strlcpy(out->f_mntfromname, in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); } #endif #ifdef COMPAT_FREEBSD4 int freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) { struct statfs *buf, *sp; struct statfs32 stat32; size_t count, size; int error; count = uap->bufsize / sizeof(struct statfs32); size = count * sizeof(struct statfs); error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); if (size > 0) { count = td->td_retval[0]; sp = buf; while (count > 0 && error == 0) { copy_statfs(sp, &stat32); error = copyout(&stat32, uap->buf, sizeof(stat32)); sp++; uap->buf++; count--; } free(buf, M_TEMP); } return (error); } #endif int freebsd32_sigaltstack(struct thread *td, struct freebsd32_sigaltstack_args *uap) { struct sigaltstack32 s32; struct sigaltstack ss, oss, *ssp; int error; if (uap->ss != NULL) { error = copyin(uap->ss, &s32, sizeof(s32)); if (error) return (error); PTRIN_CP(s32, ss, ss_sp); CP(s32, ss, ss_size); CP(s32, ss, ss_flags); ssp = &ss; } else ssp = NULL; error = kern_sigaltstack(td, ssp, &oss); if (error == 0 && uap->oss != NULL) { PTROUT_CP(oss, s32, ss_sp); CP(oss, s32, ss_size); CP(oss, s32, ss_flags); error = copyout(&s32, uap->oss, sizeof(s32)); } return (error); } /* * Custom version of exec_copyin_args() so that we can translate * the pointers. */ int freebsd32_exec_copyin_args(struct image_args *args, char *fname, enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) { char *argp, *envp; u_int32_t *p32, arg; size_t length; int error; bzero(args, sizeof(*args)); if (argv == NULL) return (EFAULT); /* * Allocate demand-paged memory for the file name, argument, and * environment strings. */ error = exec_alloc_args(args); if (error != 0) return (error); /* * Copy the file name. */ if (fname != NULL) { args->fname = args->buf; error = (segflg == UIO_SYSSPACE) ? copystr(fname, args->fname, PATH_MAX, &length) : copyinstr(fname, args->fname, PATH_MAX, &length); if (error != 0) goto err_exit; } else length = 0; args->begin_argv = args->buf + length; args->endp = args->begin_argv; args->stringspace = ARG_MAX; /* * extract arguments first */ p32 = argv; for (;;) { error = copyin(p32++, &arg, sizeof(arg)); if (error) goto err_exit; if (arg == 0) break; argp = PTRIN(arg); error = copyinstr(argp, args->endp, args->stringspace, &length); if (error) { if (error == ENAMETOOLONG) error = E2BIG; goto err_exit; } args->stringspace -= length; args->endp += length; args->argc++; } args->begin_envv = args->endp; /* * extract environment strings */ if (envv) { p32 = envv; for (;;) { error = copyin(p32++, &arg, sizeof(arg)); if (error) goto err_exit; if (arg == 0) break; envp = PTRIN(arg); error = copyinstr(envp, args->endp, args->stringspace, &length); if (error) { if (error == ENAMETOOLONG) error = E2BIG; goto err_exit; } args->stringspace -= length; args->endp += length; args->envc++; } } return (0); err_exit: exec_free_args(args); return (error); } int freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) { struct image_args eargs; int error; error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, uap->argv, uap->envv); if (error == 0) error = kern_execve(td, &eargs, NULL); return (error); } int 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); } #ifdef __ia64__ static int freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, int prot, int fd, off_t pos) { vm_map_t map; vm_map_entry_t entry; int rv; map = &td->td_proc->p_vmspace->vm_map; if (fd != -1) prot |= VM_PROT_WRITE; if (vm_map_lookup_entry(map, start, &entry)) { if ((entry->protection & prot) != prot) { rv = vm_map_protect(map, trunc_page(start), round_page(end), entry->protection | prot, FALSE); if (rv != KERN_SUCCESS) return (EINVAL); } } else { vm_offset_t addr = trunc_page(start); rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); if (rv != KERN_SUCCESS) return (EINVAL); } if (fd != -1) { struct pread_args r; r.fd = fd; r.buf = (void *) start; r.nbyte = end - start; r.offset = pos; return (sys_pread(td, &r)); } else { while (start < end) { subyte((void *) start, 0); start++; } return (0); } } #endif 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__) || defined(__ia64__) 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); #ifdef __ia64__ vm_size_t pageoff; int error; /* * Attempt to handle page size hassles. */ pageoff = (pos & PAGE_MASK); if (flags & MAP_FIXED) { vm_offset_t start, end; start = addr; end = addr + len; if (start != trunc_page(start)) { error = freebsd32_mmap_partial(td, start, round_page(start), prot, fd, pos); if (fd != -1) pos += round_page(start) - start; start = round_page(start); } if (end != round_page(end)) { vm_offset_t t = trunc_page(end); error = freebsd32_mmap_partial(td, t, end, prot, fd, pos + t - start); end = trunc_page(end); } if (end > start && fd != -1 && (pos & PAGE_MASK)) { /* * We can't map this region at all. The specified * address doesn't have the same alignment as the file * position. Fake the mapping by simply reading the * entire region into memory. First we need to make * sure the region exists. */ vm_map_t map; struct pread_args r; int rv; prot |= VM_PROT_WRITE; map = &td->td_proc->p_vmspace->vm_map; rv = vm_map_remove(map, start, end); if (rv != KERN_SUCCESS) return (EINVAL); rv = vm_map_find(map, NULL, 0, &start, end - start, 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); if (rv != KERN_SUCCESS) return (EINVAL); r.fd = fd; r.buf = (void *) start; r.nbyte = end - start; r.offset = pos; error = sys_pread(td, &r); if (error) return (error); td->td_retval[0] = addr; return (0); } if (end == start) { /* * After dealing with the ragged ends, there * might be none left. */ td->td_retval[0] = addr; return (0); } addr = start; len = end - start; } #endif #if defined(__amd64__) || defined(__ia64__) if (i386_read_exec && (prot & PROT_READ)) prot |= PROT_EXEC; #endif ap.addr = (void *) addr; ap.len = len; ap.prot = prot; ap.flags = flags; ap.fd = fd; ap.pos = pos; 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); } static int freebsd32_convert_msg_in(struct mbuf **controlp) { struct mbuf *control = *controlp; struct cmsghdr *cm = mtod(control, struct cmsghdr *); void *data; socklen_t clen = control->m_len, datalen; int error; error = 0; *controlp = NULL; while (cm != NULL) { if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { error = EINVAL; break; } data = FREEBSD32_CMSG_DATA(cm); datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, cm->cmsg_level); controlp = &(*controlp)->m_next; if (FREEBSD32_CMSG_SPACE(datalen) < clen) { clen -= FREEBSD32_CMSG_SPACE(datalen); cm = (struct cmsghdr *) ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); } else { clen = 0; cm = NULL; } } m_freem(control); 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 = sockargs(&control, msg.msg_control, msg.msg_controllen, MT_CONTROL); if (error) goto out; error = freebsd32_convert_msg_in(&control); if (error) goto out; } 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 = *(off_t *)(td->td_retval); 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; }; static int freebsd32_do_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap, int compat) { struct sf_hdtr32 hdtr32; struct sf_hdtr hdtr; struct uio *hdr_uio, *trl_uio; struct iovec32 *iov32; struct file *fp; cap_rights_t rights; off_t offset; int error; 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; } } AUDIT_ARG_FD(uap->fd); if ((error = fget_read(td, uap->fd, cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) { goto out; } error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); fdrop(fp, td); 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 = j32_v0.ip_number; 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, *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 = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - roundup(execpath_len, sizeof(char *)) - roundup(sizeof(canary), sizeof(char *)) - roundup(sizeof(pagesizes32), sizeof(char *)) - roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); /* * install sigcode */ if (szsigcode != 0) copyout(imgp->proc->p_sysent->sv_sigcode, ((caddr_t)arginfo - szsigcode), szsigcode); /* * Copy the image path for the rtld. */ if (execpath_len != 0) { imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; copyout(imgp->execpath, (void *)imgp->execpathp, execpath_len); } /* * Prepare the canary for SSP. */ arc4rand(canary, sizeof(canary), 0); imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - sizeof(canary); copyout(canary, (void *)imgp->canary, sizeof(canary)); imgp->canarylen = sizeof(canary); /* * Prepare the pagesizes array. */ for (i = 0; i < MAXPAGESIZES; i++) pagesizes32[i] = (uint32_t)pagesizes[i]; imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); imgp->pagesizeslen = sizeof(pagesizes32); /* * 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, 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) { return (kern_posix_fallocate(td, uap->fd, PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); } int freebsd32_posix_fadvise(struct thread *td, struct freebsd32_posix_fadvise_args *uap) { return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len), uap->advice)); } 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); }