/*- * Copyright (c) 1994-1995 Søren Schmidt * 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 * in this position and unchanged. * 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. * * $FreeBSD: src/sys/compat/linux/linux_file.c,v 1.41.2.6 2003/01/06 09:19:43 fjoe Exp $ * $DragonFly: src/sys/emulation/linux/linux_file.c,v 1.4 2003/06/25 03:55:44 dillon Exp $ */ #include "opt_compat.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef __alpha__ int linux_creat(struct linux_creat_args *args) { struct open_args /* { char *path; int flags; int mode; } */ bsd_open_args; caddr_t sg; sg = stackgap_init(); CHECKALTCREAT(&sg, args->path); #ifdef DEBUG if (ldebug(creat)) printf(ARGS(creat, "%s, %d"), args->path, args->mode); #endif bsd_open_args.path = args->path; bsd_open_args.mode = args->mode; bsd_open_args.flags = O_WRONLY | O_CREAT | O_TRUNC; return open(&bsd_open_args); } #endif /*!__alpha__*/ int linux_open(struct linux_open_args *args) { struct open_args /* { char *path; int flags; int mode; } */ bsd_open_args; int error; caddr_t sg; struct thread *td = curthread; struct proc *p = td->td_proc; KKASSERT(p); sg = stackgap_init(); if (args->flags & LINUX_O_CREAT) CHECKALTCREAT(&sg, args->path); else CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(open)) printf(ARGS(open, "%s, 0x%x, 0x%x"), args->path, args->flags, args->mode); #endif bsd_open_args.flags = 0; if (args->flags & LINUX_O_RDONLY) bsd_open_args.flags |= O_RDONLY; if (args->flags & LINUX_O_WRONLY) bsd_open_args.flags |= O_WRONLY; if (args->flags & LINUX_O_RDWR) bsd_open_args.flags |= O_RDWR; if (args->flags & LINUX_O_NDELAY) bsd_open_args.flags |= O_NONBLOCK; if (args->flags & LINUX_O_APPEND) bsd_open_args.flags |= O_APPEND; if (args->flags & LINUX_O_SYNC) bsd_open_args.flags |= O_FSYNC; if (args->flags & LINUX_O_NONBLOCK) bsd_open_args.flags |= O_NONBLOCK; if (args->flags & LINUX_FASYNC) bsd_open_args.flags |= O_ASYNC; if (args->flags & LINUX_O_CREAT) bsd_open_args.flags |= O_CREAT; if (args->flags & LINUX_O_TRUNC) bsd_open_args.flags |= O_TRUNC; if (args->flags & LINUX_O_EXCL) bsd_open_args.flags |= O_EXCL; if (args->flags & LINUX_O_NOCTTY) bsd_open_args.flags |= O_NOCTTY; bsd_open_args.path = args->path; bsd_open_args.mode = args->mode; error = open(&bsd_open_args); if (!error && !(bsd_open_args.flags & O_NOCTTY) && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { struct filedesc *fdp = p->p_fd; struct file *fp = fdp->fd_ofiles[p->p_retval[0]]; if (fp->f_type == DTYPE_VNODE) fo_ioctl(fp, TIOCSCTTY, (caddr_t) 0, td); } #ifdef DEBUG if (ldebug(open)) printf(LMSG("open returns error %d"), error); #endif return error; } int linux_lseek(struct linux_lseek_args *args) { struct lseek_args /* { int fd; int pad; off_t offset; int whence; } */ tmp_args; int error; #ifdef DEBUG if (ldebug(lseek)) printf(ARGS(lseek, "%d, %ld, %d"), args->fdes, (long)args->off, args->whence); #endif tmp_args.fd = args->fdes; tmp_args.offset = (off_t)args->off; tmp_args.whence = args->whence; error = lseek(&tmp_args); return error; } #ifndef __alpha__ int linux_llseek(struct linux_llseek_args *args) { struct proc *p = curproc; struct lseek_args bsd_args; int error; off_t off; #ifdef DEBUG if (ldebug(llseek)) printf(ARGS(llseek, "%d, %d:%d, %d"), args->fd, args->ohigh, args->olow, args->whence); #endif off = (args->olow) | (((off_t) args->ohigh) << 32); bsd_args.fd = args->fd; bsd_args.offset = off; bsd_args.whence = args->whence; if ((error = lseek(&bsd_args))) return error; if ((error = copyout(p->p_retval, (caddr_t)args->res, sizeof (off_t)))) return error; p->p_retval[0] = 0; return 0; } #endif /*!__alpha__*/ #ifndef __alpha__ int linux_readdir(struct linux_readdir_args *args) { struct linux_getdents_args lda; lda.fd = args->fd; lda.dent = args->dent; lda.count = 1; return linux_getdents(&lda); } #endif /*!__alpha__*/ /* * Note that linux_getdents(2) and linux_getdents64(2) have the same * arguments. They only differ in the definition of struct dirent they * operate on. We use this to common the code, with the exception of * accessing struct dirent. Note that linux_readdir(2) is implemented * by means of linux_getdents(2). In this case we never operate on * struct dirent64 and thus don't need to handle it... */ struct l_dirent { l_long d_ino; l_off_t d_off; l_ushort d_reclen; char d_name[LINUX_NAME_MAX + 1]; }; struct l_dirent64 { uint64_t d_ino; int64_t d_off; l_ushort d_reclen; u_char d_type; char d_name[LINUX_NAME_MAX + 1]; }; #define LINUX_RECLEN(de,namlen) \ ALIGN((((char *)&(de)->d_name - (char *)de) + (namlen) + 1)) #define LINUX_DIRBLKSIZ 512 static int getdents_common(struct linux_getdents64_args *args, int is64bit) { struct thread *td = curthread; struct proc *p = td->td_proc; struct dirent *bdp; struct vnode *vp; caddr_t inp, buf; /* BSD-format */ int len, reclen; /* BSD-format */ caddr_t outp; /* Linux-format */ int resid, linuxreclen=0; /* Linux-format */ struct file *fp; struct uio auio; struct iovec aiov; struct vattr va; off_t off; struct l_dirent linux_dirent; struct l_dirent64 linux_dirent64; int buflen, error, eofflag, nbytes, justone; u_long *cookies = NULL, *cookiep; int ncookies; KKASSERT(p); if ((error = getvnode(p->p_fd, args->fd, &fp)) != 0) return (error); if ((fp->f_flag & FREAD) == 0) return (EBADF); vp = (struct vnode *) fp->f_data; if (vp->v_type != VDIR) return (EINVAL); if ((error = VOP_GETATTR(vp, &va, p->p_ucred, td))) return (error); nbytes = args->count; if (nbytes == 1) { /* readdir(2) case. Always struct dirent. */ if (is64bit) return (EINVAL); nbytes = sizeof(linux_dirent); justone = 1; } else justone = 0; off = fp->f_offset; buflen = max(LINUX_DIRBLKSIZ, nbytes); buflen = min(buflen, MAXBSIZE); buf = malloc(buflen, M_TEMP, M_WAITOK); vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td); again: aiov.iov_base = buf; aiov.iov_len = buflen; auio.uio_iov = &aiov; auio.uio_iovcnt = 1; auio.uio_rw = UIO_READ; auio.uio_segflg = UIO_SYSSPACE; auio.uio_td = td; auio.uio_resid = buflen; auio.uio_offset = off; if (cookies) { free(cookies, M_TEMP); cookies = NULL; } if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies))) goto out; inp = buf; outp = (caddr_t)args->dirent; resid = nbytes; if ((len = buflen - auio.uio_resid) <= 0) goto eof; cookiep = cookies; if (cookies) { /* * When using cookies, the vfs has the option of reading from * a different offset than that supplied (UFS truncates the * offset to a block boundary to make sure that it never reads * partway through a directory entry, even if the directory * has been compacted). */ while (len > 0 && ncookies > 0 && *cookiep <= off) { bdp = (struct dirent *) inp; len -= bdp->d_reclen; inp += bdp->d_reclen; cookiep++; ncookies--; } } while (len > 0) { if (cookiep && ncookies == 0) break; bdp = (struct dirent *) inp; reclen = bdp->d_reclen; if (reclen & 3) { error = EFAULT; goto out; } if (bdp->d_fileno == 0) { inp += reclen; if (cookiep) { off = *cookiep++; ncookies--; } else off += reclen; len -= reclen; continue; } linuxreclen = (is64bit) ? LINUX_RECLEN(&linux_dirent64, bdp->d_namlen) : LINUX_RECLEN(&linux_dirent, bdp->d_namlen); if (reclen > len || resid < linuxreclen) { outp++; break; } if (justone) { /* readdir(2) case. */ linux_dirent.d_ino = (l_long)bdp->d_fileno; linux_dirent.d_off = (l_off_t)linuxreclen; linux_dirent.d_reclen = (l_ushort)bdp->d_namlen; strcpy(linux_dirent.d_name, bdp->d_name); error = copyout(&linux_dirent, outp, linuxreclen); } else { if (is64bit) { linux_dirent64.d_ino = bdp->d_fileno; linux_dirent64.d_off = (cookiep) ? (l_off_t)*cookiep : (l_off_t)(off + reclen); linux_dirent64.d_reclen = (l_ushort)linuxreclen; linux_dirent64.d_type = bdp->d_type; strcpy(linux_dirent64.d_name, bdp->d_name); error = copyout(&linux_dirent64, outp, linuxreclen); } else { linux_dirent.d_ino = bdp->d_fileno; linux_dirent.d_off = (cookiep) ? (l_off_t)*cookiep : (l_off_t)(off + reclen); linux_dirent.d_reclen = (l_ushort)linuxreclen; strcpy(linux_dirent.d_name, bdp->d_name); error = copyout(&linux_dirent, outp, linuxreclen); } } if (error) goto out; inp += reclen; if (cookiep) { off = *cookiep++; ncookies--; } else off += reclen; outp += linuxreclen; resid -= linuxreclen; len -= reclen; if (justone) break; } if (outp == (caddr_t)args->dirent) goto again; fp->f_offset = off; if (justone) nbytes = resid + linuxreclen; eof: p->p_retval[0] = nbytes - resid; out: if (cookies) free(cookies, M_TEMP); VOP_UNLOCK(vp, 0, td); free(buf, M_TEMP); return (error); } int linux_getdents(struct linux_getdents_args *args) { #ifdef DEBUG if (ldebug(getdents)) printf(ARGS(getdents, "%d, *, %d"), args->fd, args->count); #endif return (getdents_common((struct linux_getdents64_args*)args, 0)); } int linux_getdents64(struct linux_getdents64_args *args) { #ifdef DEBUG if (ldebug(getdents64)) printf(ARGS(getdents64, "%d, *, %d"), args->fd, args->count); #endif return (getdents_common(args, 1)); } /* * These exist mainly for hooks for doing /compat/linux translation. */ int linux_access(struct linux_access_args *args) { struct access_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(access)) printf(ARGS(access, "%s, %d"), args->path, args->flags); #endif bsd.path = args->path; bsd.flags = args->flags; return access(&bsd); } int linux_unlink(struct linux_unlink_args *args) { struct unlink_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(unlink)) printf(ARGS(unlink, "%s"), args->path); #endif bsd.path = args->path; return unlink(&bsd); } int linux_chdir(struct linux_chdir_args *args) { struct chdir_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(chdir)) printf(ARGS(chdir, "%s"), args->path); #endif bsd.path = args->path; return chdir(&bsd); } int linux_chmod(struct linux_chmod_args *args) { struct chmod_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(chmod)) printf(ARGS(chmod, "%s, %d"), args->path, args->mode); #endif bsd.path = args->path; bsd.mode = args->mode; return chmod(&bsd); } int linux_mkdir(struct linux_mkdir_args *args) { struct mkdir_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTCREAT(&sg, args->path); #ifdef DEBUG if (ldebug(mkdir)) printf(ARGS(mkdir, "%s, %d"), args->path, args->mode); #endif bsd.path = args->path; bsd.mode = args->mode; return mkdir(&bsd); } int linux_rmdir(struct linux_rmdir_args *args) { struct rmdir_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(rmdir)) printf(ARGS(rmdir, "%s"), args->path); #endif bsd.path = args->path; return rmdir(&bsd); } int linux_rename(struct linux_rename_args *args) { struct rename_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->from); CHECKALTCREAT(&sg, args->to); #ifdef DEBUG if (ldebug(rename)) printf(ARGS(rename, "%s, %s"), args->from, args->to); #endif bsd.from = args->from; bsd.to = args->to; return rename(&bsd); } int linux_symlink(struct linux_symlink_args *args) { struct symlink_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); CHECKALTCREAT(&sg, args->to); #ifdef DEBUG if (ldebug(symlink)) printf(ARGS(symlink, "%s, %s"), args->path, args->to); #endif bsd.path = args->path; bsd.link = args->to; return symlink(&bsd); } int linux_readlink(struct linux_readlink_args *args) { struct readlink_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->name); #ifdef DEBUG if (ldebug(readlink)) printf(ARGS(readlink, "%s, %p, %d"), args->name, (void *)args->buf, args->count); #endif bsd.path = args->name; bsd.buf = args->buf; bsd.count = args->count; return readlink(&bsd); } int linux_truncate(struct linux_truncate_args *args) { struct truncate_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(truncate)) printf(ARGS(truncate, "%s, %ld"), args->path, (long)args->length); #endif bsd.path = args->path; bsd.length = args->length; return truncate(&bsd); } int linux_link(struct linux_link_args *args) { struct link_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); CHECKALTCREAT(&sg, args->to); #ifdef DEBUG if (ldebug(link)) printf(ARGS(link, "%s, %s"), args->path, args->to); #endif bsd.path = args->path; bsd.link = args->to; return link(&bsd); } #ifndef __alpha__ int linux_fdatasync(struct linux_fdatasync_args *uap) { struct fsync_args bsd; bsd.fd = uap->fd; return fsync(&bsd); } #endif /*!__alpha__*/ int linux_pread(struct linux_pread_args *uap) { struct pread_args bsd; bsd.fd = uap->fd; bsd.buf = uap->buf; bsd.nbyte = uap->nbyte; bsd.offset = uap->offset; return pread(&bsd); } int linux_pwrite(struct linux_pwrite_args *uap) { struct pwrite_args bsd; bsd.fd = uap->fd; bsd.buf = uap->buf; bsd.nbyte = uap->nbyte; bsd.offset = uap->offset; return pwrite(&bsd); } int linux_oldumount(struct linux_oldumount_args *args) { struct linux_umount_args args2; args2.path = args->path; args2.flags = 0; return (linux_umount(&args2)); } int linux_umount(struct linux_umount_args *args) { struct unmount_args bsd; bsd.path = args->path; bsd.flags = args->flags; /* XXX correct? */ return (unmount(&bsd)); } /* * fcntl family of syscalls */ struct l_flock { l_short l_type; l_short l_whence; l_off_t l_start; l_off_t l_len; l_pid_t l_pid; }; static void linux_to_bsd_flock(struct l_flock *linux_flock, struct flock *bsd_flock) { switch (linux_flock->l_type) { case LINUX_F_RDLCK: bsd_flock->l_type = F_RDLCK; break; case LINUX_F_WRLCK: bsd_flock->l_type = F_WRLCK; break; case LINUX_F_UNLCK: bsd_flock->l_type = F_UNLCK; break; default: bsd_flock->l_type = -1; break; } bsd_flock->l_whence = linux_flock->l_whence; bsd_flock->l_start = (off_t)linux_flock->l_start; bsd_flock->l_len = (off_t)linux_flock->l_len; bsd_flock->l_pid = (pid_t)linux_flock->l_pid; } static void bsd_to_linux_flock(struct flock *bsd_flock, struct l_flock *linux_flock) { switch (bsd_flock->l_type) { case F_RDLCK: linux_flock->l_type = LINUX_F_RDLCK; break; case F_WRLCK: linux_flock->l_type = LINUX_F_WRLCK; break; case F_UNLCK: linux_flock->l_type = LINUX_F_UNLCK; break; } linux_flock->l_whence = bsd_flock->l_whence; linux_flock->l_start = (l_off_t)bsd_flock->l_start; linux_flock->l_len = (l_off_t)bsd_flock->l_len; linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid; } #if defined(__i386__) struct l_flock64 { l_short l_type; l_short l_whence; l_loff_t l_start; l_loff_t l_len; l_pid_t l_pid; }; static void linux_to_bsd_flock64(struct l_flock64 *linux_flock, struct flock *bsd_flock) { switch (linux_flock->l_type) { case LINUX_F_RDLCK: bsd_flock->l_type = F_RDLCK; break; case LINUX_F_WRLCK: bsd_flock->l_type = F_WRLCK; break; case LINUX_F_UNLCK: bsd_flock->l_type = F_UNLCK; break; default: bsd_flock->l_type = -1; break; } bsd_flock->l_whence = linux_flock->l_whence; bsd_flock->l_start = (off_t)linux_flock->l_start; bsd_flock->l_len = (off_t)linux_flock->l_len; bsd_flock->l_pid = (pid_t)linux_flock->l_pid; } static void bsd_to_linux_flock64(struct flock *bsd_flock, struct l_flock64 *linux_flock) { switch (bsd_flock->l_type) { case F_RDLCK: linux_flock->l_type = LINUX_F_RDLCK; break; case F_WRLCK: linux_flock->l_type = LINUX_F_WRLCK; break; case F_UNLCK: linux_flock->l_type = LINUX_F_UNLCK; break; } linux_flock->l_whence = bsd_flock->l_whence; linux_flock->l_start = (l_loff_t)bsd_flock->l_start; linux_flock->l_len = (l_loff_t)bsd_flock->l_len; linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid; } #endif /* __i386__ */ #if defined(__alpha__) #define linux_fcntl64_args linux_fcntl_args #endif static int fcntl_common(struct linux_fcntl64_args *args) { struct proc *p = curproc; struct l_flock linux_flock; struct flock *bsd_flock; struct fcntl_args fcntl_args; struct filedesc *fdp; struct file *fp; int error, result; caddr_t sg; sg = stackgap_init(); bsd_flock = (struct flock *)stackgap_alloc(&sg, sizeof(bsd_flock)); fcntl_args.fd = args->fd; switch (args->cmd) { case LINUX_F_DUPFD: fcntl_args.cmd = F_DUPFD; fcntl_args.arg = args->arg; return (fcntl(&fcntl_args)); case LINUX_F_GETFD: fcntl_args.cmd = F_GETFD; return (fcntl(&fcntl_args)); case LINUX_F_SETFD: fcntl_args.cmd = F_SETFD; fcntl_args.arg = args->arg; return (fcntl(&fcntl_args)); case LINUX_F_GETFL: fcntl_args.cmd = F_GETFL; error = fcntl(&fcntl_args); result = p->p_retval[0]; p->p_retval[0] = 0; if (result & O_RDONLY) p->p_retval[0] |= LINUX_O_RDONLY; if (result & O_WRONLY) p->p_retval[0] |= LINUX_O_WRONLY; if (result & O_RDWR) p->p_retval[0] |= LINUX_O_RDWR; if (result & O_NDELAY) p->p_retval[0] |= LINUX_O_NONBLOCK; if (result & O_APPEND) p->p_retval[0] |= LINUX_O_APPEND; if (result & O_FSYNC) p->p_retval[0] |= LINUX_O_SYNC; if (result & O_ASYNC) p->p_retval[0] |= LINUX_FASYNC; return (error); case LINUX_F_SETFL: fcntl_args.arg = 0; if (args->arg & LINUX_O_NDELAY) fcntl_args.arg |= O_NONBLOCK; if (args->arg & LINUX_O_APPEND) fcntl_args.arg |= O_APPEND; if (args->arg & LINUX_O_SYNC) fcntl_args.arg |= O_FSYNC; if (args->arg & LINUX_FASYNC) fcntl_args.arg |= O_ASYNC; fcntl_args.cmd = F_SETFL; return (fcntl(&fcntl_args)); case LINUX_F_GETLK: error = copyin((caddr_t)args->arg, &linux_flock, sizeof(linux_flock)); if (error) return (error); linux_to_bsd_flock(&linux_flock, bsd_flock); fcntl_args.fd = args->fd; fcntl_args.cmd = F_GETLK; fcntl_args.arg = (long)bsd_flock; error = fcntl(&fcntl_args); if (error) return (error); bsd_to_linux_flock(bsd_flock, &linux_flock); return (copyout(&linux_flock, (caddr_t)args->arg, sizeof(linux_flock))); case LINUX_F_SETLK: error = copyin((caddr_t)args->arg, &linux_flock, sizeof(linux_flock)); if (error) return (error); linux_to_bsd_flock(&linux_flock, bsd_flock); fcntl_args.fd = args->fd; fcntl_args.cmd = F_SETLK; fcntl_args.arg = (long)bsd_flock; return (fcntl(&fcntl_args)); case LINUX_F_SETLKW: error = copyin((caddr_t)args->arg, &linux_flock, sizeof(linux_flock)); if (error) return (error); linux_to_bsd_flock(&linux_flock, bsd_flock); fcntl_args.fd = args->fd; fcntl_args.cmd = F_SETLKW; fcntl_args.arg = (long)bsd_flock; return (fcntl(&fcntl_args)); case LINUX_F_GETOWN: fcntl_args.cmd = F_GETOWN; return (fcntl(&fcntl_args)); case LINUX_F_SETOWN: /* * XXX some Linux applications depend on F_SETOWN having no * significant effect for pipes (SIGIO is not delivered for * pipes under Linux-2.2.35 at least). */ fdp = p->p_fd; if ((u_int)args->fd >= fdp->fd_nfiles || (fp = fdp->fd_ofiles[args->fd]) == NULL) return (EBADF); if (fp->f_type == DTYPE_PIPE) return (EINVAL); fcntl_args.cmd = F_SETOWN; fcntl_args.arg = args->arg; return (fcntl(&fcntl_args)); } return (EINVAL); } int linux_fcntl(struct linux_fcntl_args *args) { struct linux_fcntl64_args args64; #ifdef DEBUG if (ldebug(fcntl)) printf(ARGS(fcntl, "%d, %08x, *"), args->fd, args->cmd); #endif args64.fd = args->fd; args64.cmd = args->cmd; args64.arg = args->arg; return (fcntl_common(&args64)); } #if defined(__i386__) int linux_fcntl64(struct linux_fcntl64_args *args) { struct fcntl_args fcntl_args; struct l_flock64 linux_flock; struct flock *bsd_flock; int error; caddr_t sg; sg = stackgap_init(); bsd_flock = (struct flock *)stackgap_alloc(&sg, sizeof(bsd_flock)); #ifdef DEBUG if (ldebug(fcntl64)) printf(ARGS(fcntl64, "%d, %08x, *"), args->fd, args->cmd); #endif switch (args->cmd) { case LINUX_F_GETLK64: error = copyin((caddr_t)args->arg, &linux_flock, sizeof(linux_flock)); if (error) return (error); linux_to_bsd_flock64(&linux_flock, bsd_flock); fcntl_args.fd = args->fd; fcntl_args.cmd = F_GETLK; fcntl_args.arg = (long)bsd_flock; error = fcntl(&fcntl_args); if (error) return (error); bsd_to_linux_flock64(bsd_flock, &linux_flock); return (copyout(&linux_flock, (caddr_t)args->arg, sizeof(linux_flock))); case LINUX_F_SETLK64: error = copyin((caddr_t)args->arg, &linux_flock, sizeof(linux_flock)); if (error) return (error); linux_to_bsd_flock64(&linux_flock, bsd_flock); fcntl_args.fd = args->fd; fcntl_args.cmd = F_SETLK; fcntl_args.arg = (long)bsd_flock; return (fcntl(&fcntl_args)); case LINUX_F_SETLKW64: error = copyin((caddr_t)args->arg, &linux_flock, sizeof(linux_flock)); if (error) return (error); linux_to_bsd_flock64(&linux_flock, bsd_flock); fcntl_args.fd = args->fd; fcntl_args.cmd = F_SETLKW; fcntl_args.arg = (long)bsd_flock; return (fcntl(&fcntl_args)); } return (fcntl_common(args)); } #endif /* __i386__ */ int linux_chown(struct linux_chown_args *args) { struct chown_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(chown)) printf(ARGS(chown, "%s, %d, %d"), args->path, args->uid, args->gid); #endif bsd.path = args->path; bsd.uid = args->uid; bsd.gid = args->gid; return (chown(&bsd)); } int linux_lchown(struct linux_lchown_args *args) { struct lchown_args bsd; caddr_t sg; sg = stackgap_init(); CHECKALTEXIST(&sg, args->path); #ifdef DEBUG if (ldebug(lchown)) printf(ARGS(lchown, "%s, %d, %d"), args->path, args->uid, args->gid); #endif bsd.path = args->path; bsd.uid = args->uid; bsd.gid = args->gid; return (lchown(&bsd)); }