/* $OpenBSD: ntfs_vnops.c,v 1.10 2006/01/09 12:43:16 pedro Exp $ */ /* $NetBSD: ntfs_vnops.c,v 1.6 2003/04/10 21:57:26 jdolecek Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * John Heidemann of the UCLA Ficus project. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * Id: ntfs_vnops.c,v 1.5 1999/05/12 09:43:06 semenu Exp * */ #include #ifdef __KERNEL_RCSID __KERNEL_RCSID(0, "$NetBSD: ntfs_vnops.c,v 1.6 2003/04/10 21:57:26 jdolecek Exp $"); #endif #include #include #include #include #include #include #include #include #include #include #include #if !defined(__NetBSD__) && !defined(__OpenBSD__) #include #endif #if defined(__FreeBSD__) #include #endif #include /*#define NTFS_DEBUG 1*/ #if defined(__FreeBSD__) || defined(__NetBSD__) #include #include #include #include #else #include #include #include #endif #include #include /* for pathconf(2) constants */ static int ntfs_bypass(struct vop_generic_args *ap); static int ntfs_read(struct vop_read_args *); static int ntfs_write(struct vop_write_args *ap); static int ntfs_getattr(struct vop_getattr_args *ap); static int ntfs_inactive(struct vop_inactive_args *ap); static int ntfs_print(struct vop_print_args *ap); static int ntfs_reclaim(struct vop_reclaim_args *ap); static int ntfs_strategy(struct vop_strategy_args *ap); static int ntfs_access(struct vop_access_args *ap); static int ntfs_open(struct vop_open_args *ap); static int ntfs_close(struct vop_close_args *ap); static int ntfs_readdir(struct vop_readdir_args *ap); static int ntfs_lookup(struct vop_lookup_args *ap); static int ntfs_bmap(struct vop_bmap_args *ap); #if defined(__FreeBSD__) static int ntfs_getpages(struct vop_getpages_args *ap); static int ntfs_putpages(struct vop_putpages_args *); #endif #if defined(__FreeBSD__) || defined(__OpenBSD__) static int ntfs_fsync(struct vop_fsync_args *ap); #endif static int ntfs_pathconf(void *); int ntfs_prtactive = 1; /* 1 => print out reclaim of active vnodes */ #if defined(__FreeBSD__) int ntfs_getpages(ap) struct vop_getpages_args *ap; { return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count, ap->a_reqpage); } int ntfs_putpages(ap) struct vop_putpages_args *ap; { return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count, ap->a_sync, ap->a_rtvals); } #endif /* * This is a noop, simply returning what one has been given. */ int ntfs_bmap(ap) struct vop_bmap_args /* { struct vnode *a_vp; daddr_t a_bn; struct vnode **a_vpp; daddr_t *a_bnp; int *a_runp; int *a_runb; } */ *ap; { dprintf(("ntfs_bmap: vn: %p, blk: %d\n", ap->a_vp,(u_int32_t)ap->a_bn)); if (ap->a_vpp != NULL) *ap->a_vpp = ap->a_vp; if (ap->a_bnp != NULL) *ap->a_bnp = ap->a_bn; if (ap->a_runp != NULL) *ap->a_runp = 0; #if !defined(__NetBSD__) && !defined(__OpenBSD__) if (ap->a_runb != NULL) *ap->a_runb = 0; #endif return (0); } static int ntfs_read(ap) struct vop_read_args /* { struct vnode *a_vp; struct uio *a_uio; int a_ioflag; struct ucred *a_cred; } */ *ap; { struct vnode *vp = ap->a_vp; struct fnode *fp = VTOF(vp); struct ntnode *ip = FTONT(fp); struct uio *uio = ap->a_uio; struct ntfsmount *ntmp = ip->i_mp; u_int64_t toread; int error; dprintf(("ntfs_read: ino: %d, off: %d resid: %d, segflg: %d\n",ip->i_number,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg)); dprintf(("ntfs_read: filesize: %d",(u_int32_t)fp->f_size)); /* don't allow reading after end of file */ if (uio->uio_offset > fp->f_size) toread = 0; else toread = MIN(uio->uio_resid, fp->f_size - uio->uio_offset ); dprintf((", toread: %d\n",(u_int32_t)toread)); if (toread == 0) return (0); error = ntfs_readattr(ntmp, ip, fp->f_attrtype, fp->f_attrname, uio->uio_offset, toread, NULL, uio); if (error) { printf("ntfs_read: ntfs_readattr failed: %d\n",error); return (error); } return (0); } static int ntfs_bypass(ap) struct vop_generic_args /* { struct vnodeop_desc *a_desc; } */ *ap; { int error = ENOTTY; dprintf(("ntfs_bypass: %s\n", ap->a_desc->vdesc_name)); return (error); } static int ntfs_getattr(ap) struct vop_getattr_args /* { struct vnode *a_vp; struct vattr *a_vap; struct ucred *a_cred; struct proc *a_p; } */ *ap; { struct vnode *vp = ap->a_vp; struct fnode *fp = VTOF(vp); struct ntnode *ip = FTONT(fp); struct vattr *vap = ap->a_vap; dprintf(("ntfs_getattr: %d, flags: %d\n",ip->i_number,ip->i_flag)); #if defined(__FreeBSD__) vap->va_fsid = dev2udev(ip->i_dev); #else /* NetBSD */ vap->va_fsid = ip->i_dev; #endif vap->va_fileid = ip->i_number; vap->va_mode = ip->i_mp->ntm_mode; vap->va_nlink = ip->i_nlink; vap->va_uid = ip->i_mp->ntm_uid; vap->va_gid = ip->i_mp->ntm_gid; vap->va_rdev = 0; /* XXX UNODEV ? */ vap->va_size = fp->f_size; vap->va_bytes = fp->f_allocated; vap->va_atime = ntfs_nttimetounix(fp->f_times.t_access); vap->va_mtime = ntfs_nttimetounix(fp->f_times.t_write); vap->va_ctime = ntfs_nttimetounix(fp->f_times.t_create); vap->va_flags = ip->i_flag; vap->va_gen = 0; vap->va_blocksize = ip->i_mp->ntm_spc * ip->i_mp->ntm_bps; vap->va_type = vp->v_type; vap->va_filerev = 0; return (0); } /* * Last reference to an ntnode. If necessary, write or delete it. */ int ntfs_inactive(ap) struct vop_inactive_args /* { struct vnode *a_vp; struct proc *a_p; } */ *ap; { struct vnode *vp = ap->a_vp; #ifdef __OpenBSD__ struct proc *p = ap->a_p; #endif #ifdef NTFS_DEBUG struct ntnode *ip = VTONT(vp); #endif dprintf(("ntfs_inactive: vnode: %p, ntnode: %d\n", vp, ip->i_number)); #ifdef DIAGNOSTIC if (ntfs_prtactive && vp->v_usecount != 0) vprint("ntfs_inactive: pushing active", vp); #endif VOP__UNLOCK(vp, 0, p); /* XXX since we don't support any filesystem changes * right now, nothing more needs to be done */ return (0); } /* * Reclaim an fnode/ntnode so that it can be used for other purposes. */ int ntfs_reclaim(ap) struct vop_reclaim_args /* { struct vnode *a_vp; struct proc *a_p; } */ *ap; { struct vnode *vp = ap->a_vp; struct fnode *fp = VTOF(vp); struct ntnode *ip = FTONT(fp); #ifdef __OpenBSD__ struct proc *p = ap->a_p; #endif int error; dprintf(("ntfs_reclaim: vnode: %p, ntnode: %d\n", vp, ip->i_number)); #ifdef DIAGNOSTIC if (ntfs_prtactive && vp->v_usecount != 0) vprint("ntfs_reclaim: pushing active", vp); #endif #ifndef __OpenBSD__ if ((error = ntfs_ntget(ip)) != 0) #else if ((error = ntfs_ntget(ip, p)) != 0) #endif return (error); /* Purge old data structures associated with the inode. */ cache_purge(vp); ntfs_frele(fp); #ifndef __OpenBSD__ ntfs_ntput(ip); #else ntfs_ntput(ip, p); #endif vp->v_data = NULL; return (0); } static int ntfs_print(ap) struct vop_print_args /* { struct vnode *a_vp; } */ *ap; { struct ntnode *ip = VTONT(ap->a_vp); printf("tag VT_NTFS, ino %u, flag %#x, usecount %d, nlink %ld\n", ip->i_number, ip->i_flag, ip->i_usecount, ip->i_nlink); return (0); } /* * Calculate the logical to physical mapping if not done already, * then call the device strategy routine. */ int ntfs_strategy(ap) struct vop_strategy_args /* { struct buf *a_bp; } */ *ap; { struct buf *bp = ap->a_bp; struct vnode *vp = bp->b_vp; struct fnode *fp = VTOF(vp); struct ntnode *ip = FTONT(fp); struct ntfsmount *ntmp = ip->i_mp; int error; #ifdef __FreeBSD__ dprintf(("ntfs_strategy: offset: %d, blkno: %d, lblkno: %d\n", (u_int32_t)bp->b_offset,(u_int32_t)bp->b_blkno, (u_int32_t)bp->b_lblkno)); #else dprintf(("ntfs_strategy: blkno: %d, lblkno: %d\n", (u_int32_t)bp->b_blkno, (u_int32_t)bp->b_lblkno)); #endif dprintf(("strategy: bcount: %u flags: 0x%x\n", (u_int32_t)bp->b_bcount,bp->b_flags)); if (bp->b_flags & B_READ) { u_int32_t toread; if (ntfs_cntob(bp->b_blkno) >= fp->f_size) { clrbuf(bp); error = 0; } else { toread = MIN(bp->b_bcount, fp->f_size - ntfs_cntob(bp->b_blkno)); dprintf(("ntfs_strategy: toread: %d, fsize: %d\n", toread,(u_int32_t)fp->f_size)); error = ntfs_readattr(ntmp, ip, fp->f_attrtype, fp->f_attrname, ntfs_cntob(bp->b_blkno), toread, bp->b_data, NULL); if (error) { printf("ntfs_strategy: ntfs_readattr failed\n"); bp->b_error = error; bp->b_flags |= B_ERROR; } bzero(bp->b_data + toread, bp->b_bcount - toread); } } else { size_t tmp; u_int32_t towrite; if (ntfs_cntob(bp->b_blkno) + bp->b_bcount >= fp->f_size) { printf("ntfs_strategy: CAN'T EXTEND FILE\n"); bp->b_error = error = EFBIG; bp->b_flags |= B_ERROR; } else { towrite = MIN(bp->b_bcount, fp->f_size - ntfs_cntob(bp->b_blkno)); dprintf(("ntfs_strategy: towrite: %d, fsize: %d\n", towrite,(u_int32_t)fp->f_size)); error = ntfs_writeattr_plain(ntmp, ip, fp->f_attrtype, fp->f_attrname, ntfs_cntob(bp->b_blkno),towrite, bp->b_data, &tmp, NULL); if (error) { printf("ntfs_strategy: ntfs_writeattr fail\n"); bp->b_error = error; bp->b_flags |= B_ERROR; } } } biodone(bp); return (error); } static int ntfs_write(ap) struct vop_write_args /* { struct vnode *a_vp; struct uio *a_uio; int a_ioflag; struct ucred *a_cred; } */ *ap; { struct vnode *vp = ap->a_vp; struct fnode *fp = VTOF(vp); struct ntnode *ip = FTONT(fp); struct uio *uio = ap->a_uio; struct ntfsmount *ntmp = ip->i_mp; u_int64_t towrite; size_t written; int error; dprintf(("ntfs_write: ino: %d, off: %d resid: %d, segflg: %d\n",ip->i_number,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg)); dprintf(("ntfs_write: filesize: %d",(u_int32_t)fp->f_size)); if (uio->uio_resid + uio->uio_offset > fp->f_size) { printf("ntfs_write: CAN'T WRITE BEYOND END OF FILE\n"); return (EFBIG); } towrite = MIN(uio->uio_resid, fp->f_size - uio->uio_offset); dprintf((", towrite: %d\n",(u_int32_t)towrite)); error = ntfs_writeattr_plain(ntmp, ip, fp->f_attrtype, fp->f_attrname, uio->uio_offset, towrite, NULL, &written, uio); #ifdef NTFS_DEBUG if (error) printf("ntfs_write: ntfs_writeattr failed: %d\n", error); #endif return (error); } int ntfs_access(ap) struct vop_access_args /* { struct vnode *a_vp; int a_mode; struct ucred *a_cred; struct proc *a_p; } */ *ap; { struct vnode *vp = ap->a_vp; struct ntnode *ip = VTONT(vp); struct ucred *cred = ap->a_cred; mode_t mask, mode = ap->a_mode; gid_t *gp; int i; dprintf(("ntfs_access: %d\n",ip->i_number)); /* * Disallow write attempts on read-only file systems; * unless the file is a socket, fifo, or a block or * character device resident on the file system. */ if (mode & VWRITE) { switch ((int)vp->v_type) { case VDIR: case VLNK: case VREG: if (vp->v_mount->mnt_flag & MNT_RDONLY) return (EROFS); break; } } /* Otherwise, user id 0 always gets access. */ if (cred->cr_uid == 0) return (0); mask = 0; /* Otherwise, check the owner. */ if (cred->cr_uid == ip->i_mp->ntm_uid) { if (mode & VEXEC) mask |= S_IXUSR; if (mode & VREAD) mask |= S_IRUSR; if (mode & VWRITE) mask |= S_IWUSR; return ((ip->i_mp->ntm_mode & mask) == mask ? 0 : EACCES); } /* Otherwise, check the groups. */ for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++) if (ip->i_mp->ntm_gid == *gp) { if (mode & VEXEC) mask |= S_IXGRP; if (mode & VREAD) mask |= S_IRGRP; if (mode & VWRITE) mask |= S_IWGRP; return ((ip->i_mp->ntm_mode&mask) == mask ? 0 : EACCES); } /* Otherwise, check everyone else. */ if (mode & VEXEC) mask |= S_IXOTH; if (mode & VREAD) mask |= S_IROTH; if (mode & VWRITE) mask |= S_IWOTH; return ((ip->i_mp->ntm_mode & mask) == mask ? 0 : EACCES); } /* * Open called. * * Nothing to do. */ /* ARGSUSED */ static int ntfs_open(ap) struct vop_open_args /* { struct vnode *a_vp; int a_mode; struct ucred *a_cred; struct proc *a_p; } */ *ap; { #if NTFS_DEBUG struct vnode *vp = ap->a_vp; struct ntnode *ip = VTONT(vp); printf("ntfs_open: %d\n",ip->i_number); #endif /* * Files marked append-only must be opened for appending. */ return (0); } /* * Close called. * * Update the times on the inode. */ /* ARGSUSED */ static int ntfs_close(ap) struct vop_close_args /* { struct vnode *a_vp; int a_fflag; struct ucred *a_cred; struct proc *a_p; } */ *ap; { #if NTFS_DEBUG struct vnode *vp = ap->a_vp; struct ntnode *ip = VTONT(vp); printf("ntfs_close: %d\n",ip->i_number); #endif return (0); } int ntfs_readdir(ap) struct vop_readdir_args /* { struct vnode *a_vp; struct uio *a_uio; struct ucred *a_cred; int *a_eofflag; int *a_ncookies; u_long **a_cookies; } */ *ap; { struct vnode *vp = ap->a_vp; struct fnode *fp = VTOF(vp); struct ntnode *ip = FTONT(fp); struct uio *uio = ap->a_uio; struct ntfsmount *ntmp = ip->i_mp; int i, error = 0; u_int32_t faked = 0, num; int ncookies = 0; struct dirent *cde; off_t off; dprintf(("ntfs_readdir %d off: %d resid: %d\n",ip->i_number,(u_int32_t)uio->uio_offset,uio->uio_resid)); off = uio->uio_offset; MALLOC(cde, struct dirent *, sizeof(struct dirent), M_TEMP, M_WAITOK); /* Simulate . in every dir except ROOT */ if (ip->i_number != NTFS_ROOTINO && uio->uio_offset < sizeof(struct dirent)) { cde->d_fileno = ip->i_number; cde->d_reclen = sizeof(struct dirent); cde->d_type = DT_DIR; cde->d_namlen = 1; strncpy(cde->d_name, ".", 2); error = uiomove((void *)cde, sizeof(struct dirent), uio); if (error) goto out; ncookies++; } /* Simulate .. in every dir including ROOT */ if (uio->uio_offset < 2 * sizeof(struct dirent)) { cde->d_fileno = NTFS_ROOTINO; /* XXX */ cde->d_reclen = sizeof(struct dirent); cde->d_type = DT_DIR; cde->d_namlen = 2; strncpy(cde->d_name, "..", 3); error = uiomove((void *) cde, sizeof(struct dirent), uio); if (error) goto out; ncookies++; } faked = (ip->i_number == NTFS_ROOTINO) ? 1 : 2; num = uio->uio_offset / sizeof(struct dirent) - faked; while (uio->uio_resid >= sizeof(struct dirent)) { struct attr_indexentry *iep; char *fname; size_t remains; int sz; #ifndef __OpenBSD__ error = ntfs_ntreaddir(ntmp, fp, num, &iep); #else error = ntfs_ntreaddir(ntmp, fp, num, &iep, uio->uio_procp); #endif if (error) goto out; if (NULL == iep) break; for(; !(iep->ie_flag & NTFS_IEFLAG_LAST) && (uio->uio_resid >= sizeof(struct dirent)); iep = NTFS_NEXTREC(iep, struct attr_indexentry *)) { if(!ntfs_isnamepermitted(ntmp,iep)) continue; remains = sizeof(cde->d_name) - 1; fname = cde->d_name; for(i=0; iie_fnamelen; i++) { sz = (*ntmp->ntm_wput)(fname, remains, iep->ie_fname[i]); fname += sz; remains -= sz; } *fname = '\0'; dprintf(("ntfs_readdir: elem: %d, fname:[%s] type: %d, flag: %d, ", num, cde->d_name, iep->ie_fnametype, iep->ie_flag)); cde->d_namlen = fname - (char *) cde->d_name; cde->d_fileno = iep->ie_number; cde->d_type = (iep->ie_fflag & NTFS_FFLAG_DIR) ? DT_DIR : DT_REG; cde->d_reclen = sizeof(struct dirent); dprintf(("%s\n", (cde->d_type == DT_DIR) ? "dir":"reg")); error = uiomove((void *)cde, sizeof(struct dirent), uio); if (error) goto out; ncookies++; num++; } } dprintf(("ntfs_readdir: %d entries (%d bytes) read\n", ncookies,(u_int)(uio->uio_offset - off))); dprintf(("ntfs_readdir: off: %d resid: %d\n", (u_int32_t)uio->uio_offset,uio->uio_resid)); if (!error && ap->a_ncookies != NULL) { struct dirent* dpStart; struct dirent* dp; #if defined(__FreeBSD__) || defined(__OpenBSD__) u_long *cookies; u_long *cookiep; #else /* defined(__NetBSD__) */ off_t *cookies; off_t *cookiep; #endif dprintf(("ntfs_readdir: %d cookies\n",ncookies)); if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1) panic("ntfs_readdir: unexpected uio from NFS server"); dpStart = (struct dirent *) ((caddr_t)uio->uio_iov->iov_base - (uio->uio_offset - off)); #if defined(__FreeBSD__) MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP, M_WAITOK); #else /* defined(__NetBSD__) */ cookies = malloc(ncookies * sizeof(off_t), M_TEMP, M_WAITOK); #endif for (dp = dpStart, cookiep = cookies, i=0; i < ncookies; dp = (struct dirent *)((caddr_t) dp + dp->d_reclen), i++) { off += dp->d_reclen; *cookiep++ = (u_int) off; } *ap->a_ncookies = ncookies; *ap->a_cookies = cookies; } /* if (ap->a_eofflag) *ap->a_eofflag = VTONT(ap->a_vp)->i_size <= uio->uio_offset; */ out: FREE(cde, M_TEMP); return (error); } int ntfs_lookup(ap) struct vop_lookup_args /* { struct vnode *a_dvp; struct vnode **a_vpp; struct componentname *a_cnp; } */ *ap; { struct vnode *dvp = ap->a_dvp; struct ntnode *dip = VTONT(dvp); struct ntfsmount *ntmp = dip->i_mp; struct componentname *cnp = ap->a_cnp; struct ucred *cred = cnp->cn_cred; int error; int lockparent = cnp->cn_flags & LOCKPARENT; #ifdef __OpenBSD__ struct proc *p = cnp->cn_proc; #endif #if NTFS_DEBUG int wantparent = cnp->cn_flags & (LOCKPARENT|WANTPARENT); #endif dprintf(("ntfs_lookup: \"%.*s\" (%ld bytes) in %d, lp: %d, wp: %d \n", (int)cnp->cn_namelen, cnp->cn_nameptr, cnp->cn_namelen, dip->i_number, lockparent, wantparent)); error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_proc); if(error) return (error); if ((cnp->cn_flags & ISLASTCN) && (dvp->v_mount->mnt_flag & MNT_RDONLY) && (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME)) return (EROFS); #if defined(__NetBSD__) || defined(__OpenBSD__) /* * We now have a segment name to search for, and a directory * to search. * * Before tediously performing a linear scan of the directory, * check the name cache to see if the directory/name pair * we are looking for is known already. */ if ((error = cache_lookup(ap->a_dvp, ap->a_vpp, cnp)) >= 0) return (error); #endif if(cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') { dprintf(("ntfs_lookup: faking . directory in %d\n", dip->i_number)); VREF(dvp); *ap->a_vpp = dvp; error = 0; } else if (cnp->cn_flags & ISDOTDOT) { struct ntvattr *vap; dprintf(("ntfs_lookup: faking .. directory in %d\n", dip->i_number)); VOP__UNLOCK(dvp, 0, p); cnp->cn_flags |= PDIRUNLOCK; error = ntfs_ntvattrget(ntmp, dip, NTFS_A_NAME, NULL, 0, &vap); if(error) return (error); dprintf(("ntfs_lookup: parentdir: %d\n", vap->va_a_name->n_pnumber)); error = VFS_VGET(ntmp->ntm_mountp, vap->va_a_name->n_pnumber,ap->a_vpp); ntfs_ntvattrrele(vap); if (error) { if (VN_LOCK(dvp, LK_EXCLUSIVE | LK_RETRY, p) == 0) cnp->cn_flags &= ~PDIRUNLOCK; return (error); } if (lockparent && (cnp->cn_flags & ISLASTCN)) { error = VN_LOCK(dvp, LK_EXCLUSIVE, p); if (error) { vput( *(ap->a_vpp) ); return (error); } cnp->cn_flags &= ~PDIRUNLOCK; } } else { #ifndef __OpenBSD__ error = ntfs_ntlookupfile(ntmp, dvp, cnp, ap->a_vpp); #else error = ntfs_ntlookupfile(ntmp, dvp, cnp, ap->a_vpp, p); #endif if (error) { dprintf(("ntfs_ntlookupfile: returned %d\n", error)); return (error); } dprintf(("ntfs_lookup: found ino: %d\n", VTONT(*ap->a_vpp)->i_number)); if(!lockparent || (cnp->cn_flags & ISLASTCN) == 0) { VOP__UNLOCK(dvp, 0, p); cnp->cn_flags |= PDIRUNLOCK; } } if (cnp->cn_flags & MAKEENTRY) cache_enter(dvp, *ap->a_vpp, cnp); return (error); } #if defined(__FreeBSD__) || defined(__OpenBSD__) /* * Flush the blocks of a file to disk. * * This function is worthless for vnodes that represent directories. Maybe we * could just do a sync if they try an fsync on a directory file. */ static int ntfs_fsync(ap) struct vop_fsync_args /* { struct vnode *a_vp; struct ucred *a_cred; int a_waitfor; off_t offlo; off_t offhi; struct proc *a_p; } */ *ap; { return (0); } #endif /* * Return POSIX pathconf information applicable to NTFS filesystem */ static int ntfs_pathconf(v) void *v; { struct vop_pathconf_args /* { struct vnode *a_vp; int a_name; register_t *a_retval; } */ *ap = v; switch (ap->a_name) { case _PC_LINK_MAX: *ap->a_retval = 1; return (0); case _PC_NAME_MAX: *ap->a_retval = NTFS_MAXFILENAME; return (0); case _PC_PATH_MAX: *ap->a_retval = PATH_MAX; return (0); case _PC_CHOWN_RESTRICTED: *ap->a_retval = 1; return (0); case _PC_NO_TRUNC: *ap->a_retval = 0; return (0); #ifdef __NetBSD__ case _PC_SYNC_IO: *ap->a_retval = 1; return (0); case _PC_FILESIZEBITS: *ap->a_retval = 64; return (0); #endif default: return (EINVAL); } /* NOTREACHED */ } /* * Global vfs data structures */ vop_t **ntfs_vnodeop_p; #if defined(__FreeBSD__) static struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = { { &vop_default_desc, (vop_t *)ntfs_bypass }, { &vop_getattr_desc, (vop_t *)ntfs_getattr }, { &vop_inactive_desc, (vop_t *)ntfs_inactive }, { &vop_reclaim_desc, (vop_t *)ntfs_reclaim }, { &vop_print_desc, (vop_t *)ntfs_print }, { &vop_pathconf_desc, ntfs_pathconf }, { &vop_islocked_desc, (vop_t *)vop_stdislocked }, { &vop_unlock_desc, (vop_t *)vop_stdunlock }, { &vop_lock_desc, (vop_t *)vop_stdlock }, { &vop_cachedlookup_desc, (vop_t *)ntfs_lookup }, { &vop_lookup_desc, (vop_t *)vfs_cache_lookup }, { &vop_access_desc, (vop_t *)ntfs_access }, { &vop_close_desc, (vop_t *)ntfs_close }, { &vop_open_desc, (vop_t *)ntfs_open }, { &vop_readdir_desc, (vop_t *)ntfs_readdir }, { &vop_fsync_desc, (vop_t *)ntfs_fsync }, { &vop_bmap_desc, (vop_t *)ntfs_bmap }, { &vop_getpages_desc, (vop_t *) ntfs_getpages }, { &vop_putpages_desc, (vop_t *) ntfs_putpages }, { &vop_strategy_desc, (vop_t *)ntfs_strategy }, { &vop_bwrite_desc, (vop_t *)vop_stdbwrite }, { &vop_read_desc, (vop_t *)ntfs_read }, { &vop_write_desc, (vop_t *)ntfs_write }, { NULL, NULL } }; static struct vnodeopv_desc ntfs_vnodeop_opv_desc = { &ntfs_vnodeop_p, ntfs_vnodeop_entries }; VNODEOP_SET(ntfs_vnodeop_opv_desc); #elif defined(__OpenBSD__) static struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = { { &vop_default_desc, (vop_t *)ntfs_bypass }, { &vop_getattr_desc, (vop_t *)ntfs_getattr }, { &vop_inactive_desc, (vop_t *)ntfs_inactive }, { &vop_reclaim_desc, (vop_t *)ntfs_reclaim }, { &vop_print_desc, (vop_t *)ntfs_print }, { &vop_pathconf_desc, ntfs_pathconf }, { &vop_islocked_desc, (vop_t *)vop_generic_islocked }, { &vop_unlock_desc, (vop_t *)vop_generic_unlock }, { &vop_lock_desc, (vop_t *)vop_generic_lock }, { &vop_lookup_desc, (vop_t *)ntfs_lookup }, { &vop_access_desc, (vop_t *)ntfs_access }, { &vop_close_desc, (vop_t *)ntfs_close }, { &vop_open_desc, (vop_t *)ntfs_open }, { &vop_readdir_desc, (vop_t *)ntfs_readdir }, { &vop_fsync_desc, (vop_t *)ntfs_fsync }, { &vop_bmap_desc, (vop_t *)ntfs_bmap }, { &vop_strategy_desc, (vop_t *)ntfs_strategy }, { &vop_bwrite_desc, (vop_t *)vop_generic_bwrite }, { &vop_read_desc, (vop_t *)ntfs_read }, { &vop_write_desc, (vop_t *)ntfs_write }, { NULL, NULL } }; const struct vnodeopv_desc ntfs_vnodeop_opv_desc = { &ntfs_vnodeop_p, ntfs_vnodeop_entries }; #else /* !FreeBSD && !OpenBSD*/ const struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = { { &vop_default_desc, (vop_t *) ntfs_bypass }, { &vop_lookup_desc, (vop_t *) ntfs_lookup }, /* lookup */ { &vop_create_desc, genfs_eopnotsupp }, /* create */ { &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */ { &vop_open_desc, (vop_t *) ntfs_open }, /* open */ { &vop_close_desc,(vop_t *) ntfs_close }, /* close */ { &vop_access_desc, (vop_t *) ntfs_access }, /* access */ { &vop_getattr_desc, (vop_t *) ntfs_getattr }, /* getattr */ { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */ { &vop_read_desc, (vop_t *) ntfs_read }, /* read */ { &vop_write_desc, (vop_t *) ntfs_write }, /* write */ { &vop_lease_desc, genfs_lease_check }, /* lease */ { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */ { &vop_poll_desc, genfs_poll }, /* poll */ { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ { &vop_revoke_desc, genfs_revoke }, /* revoke */ { &vop_mmap_desc, genfs_mmap }, /* mmap */ { &vop_fsync_desc, genfs_fsync }, /* fsync */ { &vop_seek_desc, genfs_seek }, /* seek */ { &vop_remove_desc, genfs_eopnotsupp }, /* remove */ { &vop_link_desc, genfs_eopnotsupp }, /* link */ { &vop_rename_desc, genfs_eopnotsupp }, /* rename */ { &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */ { &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */ { &vop_symlink_desc, genfs_eopnotsupp }, /* symlink */ { &vop_readdir_desc, (vop_t *) ntfs_readdir }, /* readdir */ { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */ { &vop_abortop_desc, genfs_abortop }, /* abortop */ { &vop_inactive_desc, (vop_t *) ntfs_inactive }, /* inactive */ { &vop_reclaim_desc, (vop_t *) ntfs_reclaim }, /* reclaim */ { &vop_lock_desc, genfs_lock }, /* lock */ { &vop_unlock_desc, genfs_unlock }, /* unlock */ { &vop_bmap_desc, (vop_t *) ntfs_bmap }, /* bmap */ { &vop_strategy_desc, (vop_t *) ntfs_strategy }, /* strategy */ { &vop_print_desc, (vop_t *) ntfs_print }, /* print */ { &vop_islocked_desc, genfs_islocked }, /* islocked */ { &vop_pathconf_desc, ntfs_pathconf }, /* pathconf */ { &vop_advlock_desc, genfs_nullop }, /* advlock */ { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */ { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */ { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */ { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */ { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */ { &vop_update_desc, genfs_eopnotsupp }, /* update */ { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ { &vop_getpages_desc, genfs_compat_getpages }, /* getpages */ { &vop_putpages_desc, genfs_putpages }, /* putpages */ { NULL, NULL } }; const struct vnodeopv_desc ntfs_vnodeop_opv_desc = { &ntfs_vnodeop_p, ntfs_vnodeop_entries }; #endif