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-rw-r--r--sys/fs/nwfs/nwfs_vnops.c1098
1 files changed, 1098 insertions, 0 deletions
diff --git a/sys/fs/nwfs/nwfs_vnops.c b/sys/fs/nwfs/nwfs_vnops.c
new file mode 100644
index 0000000..22df1b3
--- /dev/null
+++ b/sys/fs/nwfs/nwfs_vnops.c
@@ -0,0 +1,1098 @@
+/*
+ * Copyright (c) 1999, Boris Popov
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Boris Popov.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/namei.h>
+#include <sys/kernel.h>
+#include <sys/buf.h>
+#include <sys/proc.h>
+#include <sys/fcntl.h>
+#include <sys/mount.h>
+#include <sys/unistd.h>
+#include <sys/vnode.h>
+
+#include <vm/vm.h>
+#include <vm/vm_extern.h>
+#include <vm/vm_zone.h>
+
+#include <netncp/ncp.h>
+#include <netncp/ncp_conn.h>
+#include <netncp/ncp_subr.h>
+#include <netncp/nwerror.h>
+#include <netncp/ncp_nls.h>
+
+#include <nwfs/nwfs.h>
+#include <nwfs/nwfs_node.h>
+#include <nwfs/nwfs_subr.h>
+
+/*
+ * Prototypes for NWFS vnode operations
+ */
+static int nwfs_create __P((struct vop_create_args *));
+static int nwfs_mknod __P((struct vop_mknod_args *));
+static int nwfs_open __P((struct vop_open_args *));
+static int nwfs_close __P((struct vop_close_args *));
+static int nwfs_access __P((struct vop_access_args *));
+static int nwfs_getattr __P((struct vop_getattr_args *));
+static int nwfs_setattr __P((struct vop_setattr_args *));
+static int nwfs_read __P((struct vop_read_args *));
+static int nwfs_write __P((struct vop_write_args *));
+static int nwfs_fsync __P((struct vop_fsync_args *));
+static int nwfs_remove __P((struct vop_remove_args *));
+static int nwfs_link __P((struct vop_link_args *));
+static int nwfs_lookup __P((struct vop_lookup_args *));
+static int nwfs_rename __P((struct vop_rename_args *));
+static int nwfs_mkdir __P((struct vop_mkdir_args *));
+static int nwfs_rmdir __P((struct vop_rmdir_args *));
+static int nwfs_symlink __P((struct vop_symlink_args *));
+static int nwfs_readdir __P((struct vop_readdir_args *));
+static int nwfs_bmap __P((struct vop_bmap_args *));
+static int nwfs_strategy __P((struct vop_strategy_args *));
+static int nwfs_print __P((struct vop_print_args *));
+static int nwfs_pathconf __P((struct vop_pathconf_args *ap));
+
+/* Global vfs data structures for nwfs */
+vop_t **nwfs_vnodeop_p;
+static struct vnodeopv_entry_desc nwfs_vnodeop_entries[] = {
+ { &vop_default_desc, (vop_t *) vop_defaultop },
+ { &vop_access_desc, (vop_t *) nwfs_access },
+ { &vop_bmap_desc, (vop_t *) nwfs_bmap },
+ { &vop_open_desc, (vop_t *) nwfs_open },
+ { &vop_close_desc, (vop_t *) nwfs_close },
+ { &vop_create_desc, (vop_t *) nwfs_create },
+ { &vop_fsync_desc, (vop_t *) nwfs_fsync },
+ { &vop_getattr_desc, (vop_t *) nwfs_getattr },
+ { &vop_getpages_desc, (vop_t *) nwfs_getpages },
+ { &vop_putpages_desc, (vop_t *) nwfs_putpages },
+ { &vop_ioctl_desc, (vop_t *) nwfs_ioctl },
+ { &vop_inactive_desc, (vop_t *) nwfs_inactive },
+ { &vop_islocked_desc, (vop_t *) vop_noislocked },
+ { &vop_link_desc, (vop_t *) nwfs_link },
+ { &vop_lock_desc, (vop_t *) vop_sharedlock },
+ { &vop_lookup_desc, (vop_t *) nwfs_lookup },
+ { &vop_mkdir_desc, (vop_t *) nwfs_mkdir },
+ { &vop_mknod_desc, (vop_t *) nwfs_mknod },
+ { &vop_pathconf_desc, (vop_t *) nwfs_pathconf },
+ { &vop_print_desc, (vop_t *) nwfs_print },
+ { &vop_read_desc, (vop_t *) nwfs_read },
+ { &vop_readdir_desc, (vop_t *) nwfs_readdir },
+ { &vop_reclaim_desc, (vop_t *) nwfs_reclaim },
+ { &vop_remove_desc, (vop_t *) nwfs_remove },
+ { &vop_rename_desc, (vop_t *) nwfs_rename },
+ { &vop_rmdir_desc, (vop_t *) nwfs_rmdir },
+ { &vop_setattr_desc, (vop_t *) nwfs_setattr },
+ { &vop_strategy_desc, (vop_t *) nwfs_strategy },
+ { &vop_symlink_desc, (vop_t *) nwfs_symlink },
+ { &vop_unlock_desc, (vop_t *) vop_nounlock },
+ { &vop_write_desc, (vop_t *) nwfs_write },
+ { NULL, NULL }
+};
+static struct vnodeopv_desc nwfs_vnodeop_opv_desc =
+ { &nwfs_vnodeop_p, nwfs_vnodeop_entries };
+
+VNODEOP_SET(nwfs_vnodeop_opv_desc);
+
+void nwfs_createname(char *_name,struct vnode *vp,struct componentname *cnp);
+
+
+void nwfs_createname(char *_name,struct vnode *vp,struct componentname *cnp){
+ strncpy(_name, cnp->cn_nameptr, cnp->cn_namelen);
+ _name[cnp->cn_namelen] = '\0';
+ ncp_str_upper(_name);
+}
+/*
+ * nwfs_access vnode op
+ * for now just return ok
+ */
+static int
+nwfs_access(ap)
+ struct vop_access_args /* {
+ struct vnode *a_vp;
+ int a_mode;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ struct ucred *cred = ap->a_cred;
+ u_int mode = ap->a_mode;
+ struct nwmount *nmp = VTONWFS(vp);
+ int error = 0;
+
+ NCPVNDEBUG("\n");
+ if ((ap->a_mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
+ switch (vp->v_type) {
+ case VREG: case VDIR: case VLNK:
+ return (EROFS);
+ default:
+ break;
+ }
+ }
+ if (cred->cr_uid == 0)
+ return 0;
+ if (cred->cr_uid != nmp->m.uid) {
+ mode >>= 3;
+ if (!groupmember(nmp->m.gid, cred))
+ mode >>= 3;
+ }
+ error = (((vp->v_type == VREG) ? nmp->m.file_mode : nmp->m.dir_mode) & mode) == mode ? 0 : EACCES;
+ return error;
+}
+/*
+ * nwfs_open vnode op
+ */
+/* ARGSUSED */
+static int
+nwfs_open(ap)
+ struct vop_open_args /* {
+ struct vnode *a_vp;
+ int a_mode;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ int mode = ap->a_mode;
+ struct nwnode *np = VTONW(vp);
+ struct ncp_open_info no;
+ struct nwmount *nmp = VTONWFS(vp);
+ struct vattr vattr;
+ int error, nwm;
+
+ NCPVNDEBUG("%s,%d\n",np->n_name, np->opened);
+ if (vp->v_type != VREG && vp->v_type != VDIR) {
+ NCPFATAL("open eacces vtype=%d\n", vp->v_type);
+ return (EACCES);
+ }
+ if (vp->v_type == VDIR) return 0; /* nothing to do now */
+ if (np->n_flag & NMODIFIED) {
+ if ((error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_cred, ap->a_p, 1)) == EINTR)
+ return (error);
+ np->n_atime = 0;
+ error = VOP_GETATTR(vp, &vattr, ap->a_cred, ap->a_p);
+ if (error) return (error);
+ np->n_mtime = vattr.va_mtime.tv_sec;
+ } else {
+ error = VOP_GETATTR(vp, &vattr, ap->a_cred, ap->a_p);
+ if (error) return (error);
+ if (np->n_mtime != vattr.va_mtime.tv_sec) {
+ if ((error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_cred, ap->a_p, 1)) == EINTR)
+ return (error);
+ np->n_mtime = vattr.va_mtime.tv_sec;
+ }
+ }
+ if (np->opened) {
+ np->opened++;
+ return 0;
+ }
+ nwm = AR_READ;
+ if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
+ nwm |= AR_WRITE;
+ error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
+ 0, nwm, &no, ap->a_p, ap->a_cred);
+ if (error) {
+ if (mode & FWRITE)
+ return EACCES;
+ nwm = AR_READ;
+ error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
+ nwm, &no, ap->a_p,ap->a_cred);
+ }
+ if (!error) {
+ np->opened++;
+ np->n_fh = no.fh;
+ np->n_origfh = no.origfh;
+ }
+ np->n_atime = 0;
+ return (error);
+}
+
+static int
+nwfs_close(ap)
+ struct vop_close_args /* {
+ struct vnodeop_desc *a_desc;
+ struct vnode *a_vp;
+ int a_fflag;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct nwnode *np = VTONW(vp);
+ int error;
+
+ NCPVNDEBUG("name=%s,pid=%d,c=%d\n",np->n_name,ap->a_p->p_pid,np->opened);
+
+ if (vp->v_type == VDIR) return 0; /* nothing to do now */
+ error = 0;
+ simple_lock(&vp->v_interlock);
+ if (np->opened == 0) {
+ simple_unlock(&vp->v_interlock);
+ return 0;
+ }
+ simple_unlock(&vp->v_interlock);
+ error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_cred, ap->a_p, 1);
+ simple_lock(&vp->v_interlock);
+ if (np->opened == 0) {
+ simple_unlock(&vp->v_interlock);
+ return 0;
+ }
+ if (--np->opened == 0)
+ error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
+ ap->a_p, ap->a_cred);
+ simple_unlock(&vp->v_interlock);
+ np->n_atime = 0;
+ return (error);
+}
+
+/*
+ * nwfs_getattr call from vfs.
+ */
+static int
+nwfs_getattr(ap)
+ struct vop_getattr_args /* {
+ struct vnode *a_vp;
+ struct vattr *a_vap;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct nwnode *np = VTONW(vp);
+ struct vattr *va=ap->a_vap;
+ struct nwmount *nmp = VTONWFS(vp);
+ struct nw_entry_info fattr;
+ int error;
+ u_int32_t oldsize;
+
+ NCPVNDEBUG("%lx:%d: '%s' %d\n", (long)vp, nmp->n_volume, np->n_name, (vp->v_flag & VROOT) != 0);
+ error = nwfs_attr_cachelookup(vp,va);
+ if (!error) return 0;
+ NCPVNDEBUG("not in cache\n");
+ oldsize = np->n_size;
+ if (np->n_flag & NVOLUME) {
+ error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, &fattr,
+ ap->a_p,ap->a_cred);
+ } else {
+ error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
+ np->n_name, &fattr, ap->a_p, ap->a_cred);
+ }
+ if (error) {
+ NCPVNDEBUG("error %d\n", error);
+ return error;
+ }
+ nwfs_attr_cacheenter(vp, &fattr);
+ *va = np->n_vattr;
+ if (np->opened)
+ np->n_size = oldsize;
+ return (0);
+}
+/*
+ * nwfs_setattr call from vfs.
+ */
+static int
+nwfs_setattr(ap)
+ struct vop_setattr_args /* {
+ struct vnode *a_vp;
+ struct vattr *a_vap;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct nwnode *np = VTONW(vp);
+ register struct vattr *vap = ap->a_vap;
+ u_quad_t tsize=0;
+ int error = 0;
+
+ NCPVNDEBUG("\n");
+ if (vap->va_flags != VNOVAL)
+ return (EOPNOTSUPP);
+ /*
+ * Disallow write attempts if the filesystem is mounted read-only.
+ */
+ if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
+ vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
+ vap->va_mode != (mode_t)VNOVAL) &&(vp->v_mount->mnt_flag & MNT_RDONLY))
+ return (EROFS);
+ if (vap->va_size != VNOVAL) {
+ switch (vp->v_type) {
+ case VDIR:
+ return (EISDIR);
+ case VREG:
+ /*
+ * Disallow write attempts if the filesystem is
+ * mounted read-only.
+ */
+ if (vp->v_mount->mnt_flag & MNT_RDONLY)
+ return (EROFS);
+ vnode_pager_setsize(vp, (u_long)vap->va_size);
+ tsize = np->n_size;
+ np->n_size = vap->va_size;
+ break;
+ default:
+ return EINVAL;
+ };
+ }
+ error = ncp_setattr(vp, vap, ap->a_cred, ap->a_p);
+ if (error && vap->va_size != VNOVAL) {
+ np->n_size = tsize;
+ vnode_pager_setsize(vp, (u_long)tsize);
+ }
+ np->n_atime = 0; /* invalidate cache */
+ VOP_GETATTR(vp, vap, ap->a_cred, ap->a_p);
+ np->n_mtime = vap->va_mtime.tv_sec;
+ return (0);
+}
+/*
+ * nwfs_read call.
+ */
+static int
+nwfs_read(ap)
+ struct vop_read_args /* {
+ struct vnode *a_vp;
+ struct uio *a_uio;
+ int a_ioflag;
+ struct ucred *a_cred;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ struct uio *uio=ap->a_uio;
+ int error;
+ NCPVNDEBUG("nwfs_read:\n");
+
+ if (vp->v_type != VREG && vp->v_type != VDIR)
+ return (EPERM);
+ error = nwfs_readvnode(vp, uio, ap->a_cred);
+ return error;
+}
+
+static int
+nwfs_write(ap)
+ struct vop_write_args /* {
+ struct vnode *a_vp;
+ struct uio *a_uio;
+ int a_ioflag;
+ struct ucred *a_cred;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ struct uio *uio = ap->a_uio;
+ int error;
+
+ NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
+
+ if (vp->v_type != VREG)
+ return (EPERM);
+ error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
+ return(error);
+}
+/*
+ * nwfs_create call
+ * Create a regular file. On entry the directory to contain the file being
+ * created is locked. We must release before we return. We must also free
+ * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
+ * only if the SAVESTART bit in cn_flags is clear on success.
+ */
+static int
+nwfs_create(ap)
+ struct vop_create_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ } */ *ap;
+{
+ register struct vnode *dvp = ap->a_dvp;
+ register struct vattr *vap = ap->a_vap;
+ struct vnode **vpp=ap->a_vpp;
+ register struct componentname *cnp = ap->a_cnp;
+ struct vnode *vp = (struct vnode *)0;
+ int error = 0, fmode;
+ struct vattr vattr;
+ struct nwnode *np;
+ struct ncp_open_info no;
+ struct nwmount *nmp=VTONWFS(dvp);
+ ncpfid fid;
+
+
+ NCPVNDEBUG("\n");
+ *vpp = NULL;
+ if (vap->va_type == VSOCK)
+ return (EOPNOTSUPP);
+ if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred, cnp->cn_proc))) {
+ return (error);
+ }
+ fmode = AR_READ | AR_WRITE;
+/* if (vap->va_vaflags & VA_EXCLUSIVE)
+ fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
+
+ error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
+ OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
+ 0, fmode, &no, cnp->cn_proc, cnp->cn_cred);
+ if (!error) {
+ error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_proc,cnp->cn_cred);
+ fid.f_parent = VTONW(dvp)->n_fid.f_id;
+ fid.f_id = no.fattr.dirEntNum;
+ error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
+ if (!error) {
+ np = VTONW(vp);
+ np->opened = 0;
+ *vpp = vp;
+ }
+ if (cnp->cn_flags & MAKEENTRY)
+ cache_enter(dvp, vp, cnp);
+ }
+ return (error);
+}
+
+/*
+ * nwfs_remove call. It isn't possible to emulate UFS behaivour because
+ * NetWare doesn't allow delete/rename operations on an opened file.
+ */
+static int
+nwfs_remove(ap)
+ struct vop_remove_args /* {
+ struct vnodeop_desc *a_desc;
+ struct vnode * a_dvp;
+ struct vnode * a_vp;
+ struct componentname * a_cnp;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct vnode *dvp = ap->a_dvp;
+ register struct componentname *cnp = ap->a_cnp;
+ register struct nwnode *np = VTONW(vp);
+ struct nwmount *nmp = VTONWFS(vp);
+ int error;
+
+ if (vp->v_type == VDIR || np->opened || vp->v_usecount != 1) {
+ error = EPERM;
+ } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
+ error = EIO;
+ } else {
+ cache_purge(vp);
+ error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
+ cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_proc,cnp->cn_cred);
+ if (error == 0x899c) error = EACCES;
+ }
+ return (error);
+}
+
+/*
+ * nwfs_file rename call
+ */
+static int
+nwfs_rename(ap)
+ struct vop_rename_args /* {
+ struct vnode *a_fdvp;
+ struct vnode *a_fvp;
+ struct componentname *a_fcnp;
+ struct vnode *a_tdvp;
+ struct vnode *a_tvp;
+ struct componentname *a_tcnp;
+ } */ *ap;
+{
+ register struct vnode *fvp = ap->a_fvp;
+ register struct vnode *tvp = ap->a_tvp;
+ register struct vnode *fdvp = ap->a_fdvp;
+ register struct vnode *tdvp = ap->a_tdvp;
+ register struct componentname *tcnp = ap->a_tcnp;
+ register struct componentname *fcnp = ap->a_fcnp;
+ struct nwmount *nmp=VTONWFS(fvp);
+ u_int16_t oldtype = 6;
+ int error=0;
+
+ /* Check for cross-device rename */
+ if ((fvp->v_mount != tdvp->v_mount) ||
+ (tvp && (fvp->v_mount != tvp->v_mount))) {
+ error = EXDEV;
+ goto out;
+ }
+
+ if (tvp && tvp->v_usecount > 1) {
+ error = EBUSY;
+ goto out;
+ }
+ if (tvp && tvp != fvp) {
+ error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
+ tcnp->cn_namelen, tcnp->cn_nameptr,
+ tcnp->cn_proc, tcnp->cn_cred);
+ if (error == 0x899c) error = EACCES;
+ if (error)
+ goto out;
+ }
+ if (fvp->v_type == VDIR) {
+ oldtype |= NW_TYPE_SUBDIR;
+ } else if (fvp->v_type == VREG) {
+ oldtype |= NW_TYPE_FILE;
+ } else
+ return EINVAL;
+ error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
+ oldtype, &nmp->m.nls,
+ VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
+ VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
+ tcnp->cn_proc,tcnp->cn_cred);
+
+ if (error == 0x8992)
+ error = EEXIST;
+ if (fvp->v_type == VDIR) {
+ if (tvp != NULL && tvp->v_type == VDIR)
+ cache_purge(tdvp);
+ cache_purge(fdvp);
+ }
+out:
+ if (tdvp == tvp)
+ vrele(tdvp);
+ else
+ vput(tdvp);
+ if (tvp)
+ vput(tvp);
+ vrele(fdvp);
+ vrele(fvp);
+ nwfs_attr_cacheremove(fdvp);
+ nwfs_attr_cacheremove(tdvp);
+ /*
+ * Need to get rid of old vnodes, because netware will change
+ * file id on rename
+ */
+ vgone(fvp);
+ if (tvp)
+ vgone(tvp);
+ /*
+ * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
+ */
+ if (error == ENOENT)
+ error = 0;
+ return (error);
+}
+
+/*
+ * nwfs hard link create call
+ * Netware filesystems don't know what links are.
+ */
+static int
+nwfs_link(ap)
+ struct vop_link_args /* {
+ struct vnode *a_tdvp;
+ struct vnode *a_vp;
+ struct componentname *a_cnp;
+ } */ *ap;
+{
+ return EOPNOTSUPP;
+}
+
+/*
+ * nwfs_symlink link create call
+ * Netware filesystems don't know what symlinks are.
+ */
+static int
+nwfs_symlink(ap)
+ struct vop_symlink_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ char *a_target;
+ } */ *ap;
+{
+ return (EOPNOTSUPP);
+}
+
+static int nwfs_mknod(ap)
+ struct vop_mknod_args /* {
+ } */ *ap;
+{
+ return (EOPNOTSUPP);
+}
+
+/*
+ * nwfs_mkdir call
+ */
+static int
+nwfs_mkdir(ap)
+ struct vop_mkdir_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ } */ *ap;
+{
+ register struct vnode *dvp = ap->a_dvp;
+/* register struct vattr *vap = ap->a_vap;*/
+ register struct componentname *cnp = ap->a_cnp;
+ register int len=cnp->cn_namelen;
+ struct ncp_open_info no;
+ struct nwnode *np;
+ struct vnode *newvp = (struct vnode *)0;
+ ncpfid fid;
+ int error = 0;
+ struct vattr vattr;
+ char *name=cnp->cn_nameptr;
+
+ if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred, cnp->cn_proc))) {
+ return (error);
+ }
+ if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
+ return EEXIST;
+ }
+ if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
+ cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
+ &no, cnp->cn_proc, cnp->cn_cred) != 0) {
+ error = EACCES;
+ } else {
+ error = 0;
+ }
+ if (!error) {
+ fid.f_parent = VTONW(dvp)->n_fid.f_id;
+ fid.f_id = no.fattr.dirEntNum;
+ error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &newvp);
+ if (!error) {
+ np = VTONW(newvp);
+ newvp->v_type = VDIR;
+ *ap->a_vpp = newvp;
+ }
+ }
+ return (error);
+}
+
+/*
+ * nwfs_remove directory call
+ */
+static int
+nwfs_rmdir(ap)
+ struct vop_rmdir_args /* {
+ struct vnode *a_dvp;
+ struct vnode *a_vp;
+ struct componentname *a_cnp;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct vnode *dvp = ap->a_dvp;
+ register struct componentname *cnp = ap->a_cnp;
+ struct nwmount *nmp = VTONWFS(vp);
+ struct nwnode *dnp = VTONW(dvp);
+ int error = EIO;
+
+ if (dvp == vp) return EINVAL;
+ if (!ncp_conn_valid(NWFSTOCONN(nmp))) return(error);
+
+ error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
+ cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_proc,cnp->cn_cred);
+ if (error == NWE_DIR_NOT_EMPTY) error = ENOTEMPTY;
+ dnp->n_flag |= NMODIFIED;
+ nwfs_attr_cacheremove(dvp);
+ cache_purge(dvp);
+ cache_purge(vp);
+ return (error);
+}
+
+/*
+ * nwfs_readdir call
+ */
+static int
+nwfs_readdir(ap)
+ struct vop_readdir_args /* {
+ struct vnode *a_vp;
+ struct uio *a_uio;
+ struct ucred *a_cred;
+ int *a_eofflag;
+ u_long *a_cookies;
+ int a_ncookies;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct uio *uio = ap->a_uio;
+ int error;
+
+ if (vp->v_type != VDIR)
+ return (EPERM);
+ if (ap->a_ncookies) {
+ printf("nwfs_readdir: no support for cookies now...");
+ return (EOPNOTSUPP);
+ }
+
+ error = nwfs_readvnode(vp, uio, ap->a_cred);
+ return error;
+}
+/* ARGSUSED */
+static int
+nwfs_fsync(ap)
+ struct vop_fsync_args /* {
+ struct vnodeop_desc *a_desc;
+ struct vnode * a_vp;
+ struct ucred * a_cred;
+ int a_waitfor;
+ struct proc * a_p;
+ } */ *ap;
+{
+/* return (nfs_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_p, 1));*/
+ return (0);
+}
+/* ARGSUSED */
+static
+int nwfs_print (ap)
+ struct vop_print_args /* {
+ struct vnode *a_vp;
+ } */ *ap;
+{
+ return (0);
+}
+
+static int nwfs_pathconf (ap)
+ struct vop_pathconf_args /* {
+ struct vnode *vp;
+ int name;
+ register_t *retval;
+ } */ *ap;
+{
+ int name=ap->a_name, error=0;
+ register_t *retval=ap->a_retval;
+
+ switch(name){
+ case _PC_LINK_MAX:
+ *retval=0;
+ break;
+ case _PC_NAME_MAX:
+ *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
+ break;
+ case _PC_PATH_MAX:
+ *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
+ break;
+ default:
+ error=EINVAL;
+ }
+ return(error);
+}
+
+static int nwfs_strategy (ap)
+ struct vop_strategy_args /* {
+ struct buf *a_bp
+ } */ *ap;
+{
+ struct buf *bp=ap->a_bp;
+ struct ucred *cr;
+ struct proc *p;
+ int error = 0;
+
+ NCPVNDEBUG("\n");
+ if (bp->b_flags & B_PHYS)
+ panic("nwfs physio");
+ if (bp->b_flags & B_ASYNC)
+ p = (struct proc *)0;
+ else
+ p = curproc; /* XXX */
+ if (bp->b_flags & B_READ)
+ cr = bp->b_rcred;
+ else
+ cr = bp->b_wcred;
+ /*
+ * If the op is asynchronous and an i/o daemon is waiting
+ * queue the request, wake it up and wait for completion
+ * otherwise just do it ourselves.
+ */
+ if ((bp->b_flags & B_ASYNC) == 0 )
+ error = nwfs_doio(bp, cr, p);
+ return (error);
+}
+
+static int
+nwfs_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;
+{
+ register struct vnode *vp = ap->a_vp;
+
+ if (ap->a_vpp != NULL)
+ *ap->a_vpp = vp;
+ if (ap->a_bnp != NULL)
+ *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize);
+ if (ap->a_runp != NULL)
+ *ap->a_runp = 0;
+ if (ap->a_runb != NULL)
+ *ap->a_runb = 0;
+ return (0);
+}
+
+int
+nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
+ struct vnode *dvp, struct vnode **vpp)
+{
+ int error;
+ struct nwnode *newnp;
+ struct vnode *vp;
+
+ *vpp = NULL;
+ error = nwfs_allocvp(mp, fid, &vp);
+ if (error)
+ return error;
+ newnp = VTONW(vp);
+ if (fap) {
+ if (newnp->n_flag & NNEW) {
+ newnp->n_nmlen = fap->nameLen;
+ bcopy(fap->entryName, newnp->n_name, newnp->n_nmlen);
+ newnp->n_name[fap->nameLen] = 0;
+ }
+ newnp->n_attr = fap->attributes;
+ newnp->n_dosfid = fap->DosDirNum;
+ vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
+ nwfs_attr_cacheenter(vp, fap);
+ }
+ if (dvp) {
+ newnp->n_parent = VTONW(dvp)->n_fid;
+ if ((newnp->n_flag & NNEW) && vp->v_type == VDIR) {
+ if ((dvp->v_flag & VROOT) == 0) {
+ newnp->n_refparent = 1;
+ vref(dvp); /* vhold */
+ }
+ }
+ } else {
+ if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
+ printf("new vnode '%s' borned without parent ?\n",newnp->n_name);
+ }
+ newnp->n_flag &= ~NNEW;
+ *vpp = vp;
+ return 0;
+}
+
+/*
+ * How to keep the brain busy ...
+ * Currently lookup routine can make two lookup for vnode. This can be
+ * avoided by reorg the code.
+ */
+int
+nwfs_lookup(ap)
+ struct vop_lookup_args /* {
+ struct vnodeop_desc *a_desc;
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ } */ *ap;
+{
+ struct componentname *cnp = ap->a_cnp;
+ struct vnode *dvp = ap->a_dvp;
+ struct vnode **vpp = ap->a_vpp;
+ int flags = cnp->cn_flags;
+ struct vnode *vp;
+ struct nwmount *nmp;
+ struct mount *mp = dvp->v_mount;
+ struct nwnode *dnp, *npp;
+ struct nw_entry_info fattr, *fap;
+ ncpfid fid;
+ int nameiop=cnp->cn_nameiop, islastcn;
+ int lockparent, wantparent, error = 0, notfound;
+ struct proc *p = cnp->cn_proc;
+ char _name[cnp->cn_namelen+1];
+ bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
+ _name[cnp->cn_namelen]=0;
+
+ if (dvp->v_type != VDIR)
+ return (ENOTDIR);
+ if ((flags & ISDOTDOT) && (dvp->v_flag & VROOT)) {
+ printf("nwfs_lookup: invalid '..'\n");
+ return EIO;
+ }
+
+ NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
+ VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
+
+ islastcn = flags & ISLASTCN;
+ if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
+ return (EROFS);
+ if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, p)))
+ return (error);
+ lockparent = flags & LOCKPARENT;
+ wantparent = flags & (LOCKPARENT|WANTPARENT);
+ nmp = VFSTONWFS(mp);
+ dnp = VTONW(dvp);
+/*
+printf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & ISDOTDOT);
+*/
+ error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
+ (nameiop == CREATE || nameiop == RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
+ if (error)
+ return ENOENT;
+
+ error = cache_lookup(dvp, vpp, cnp);
+ NCPVNDEBUG("cache_lookup returned %d\n",error);
+ if (error > 0)
+ return error;
+ if (error) { /* name was found */
+ struct vattr vattr;
+ int vpid;
+
+ vp = *vpp;
+ vpid = vp->v_id;
+ if (dvp == vp) { /* lookup on current */
+ vref(vp);
+ error = 0;
+ NCPVNDEBUG("cached '.'");
+ } else if (flags & ISDOTDOT) {
+ VOP_UNLOCK(dvp, 0, p); /* unlock parent */
+ error = vget(vp, LK_EXCLUSIVE, p);
+ if (!error && lockparent && islastcn)
+ error = vn_lock(dvp, LK_EXCLUSIVE, p);
+ } else {
+ error = vget(vp, LK_EXCLUSIVE, p);
+ if (!lockparent || error || !islastcn)
+ VOP_UNLOCK(dvp, 0, p);
+ }
+ if (!error) {
+ if (vpid == vp->v_id) {
+ if (!VOP_GETATTR(vp, &vattr, cnp->cn_cred, p)
+ && vattr.va_ctime.tv_sec == VTONW(vp)->n_ctime) {
+ if (nameiop != LOOKUP && islastcn)
+ cnp->cn_flags |= SAVENAME;
+ NCPVNDEBUG("use cached vnode");
+ return (0);
+ }
+ cache_purge(vp);
+ }
+ vput(vp);
+ if (lockparent && dvp != vp && islastcn)
+ VOP_UNLOCK(dvp, 0, p);
+ }
+ error = vn_lock(dvp, LK_EXCLUSIVE, p);
+ *vpp = NULLVP;
+ if (error)
+ return (error);
+ }
+ /* not in cache, so ... */
+ error = 0;
+ *vpp = NULLVP;
+ fap = NULL;
+ if (flags & ISDOTDOT) {
+ if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
+ fid = nmp->n_rootent;
+ fap = NULL;
+ notfound = 0;
+ } else {
+ error = nwfs_lookupnp(nmp, dnp->n_parent, &npp);
+ if (error) {
+ return error;
+ }
+ fid = dnp->n_parent;
+ fap = &fattr;
+ /*np = *npp;*/
+ notfound = ncp_obtain_info(nmp, npp->n_dosfid,
+ 0, NULL, fap, p, cnp->cn_cred);
+ }
+ } else {
+ fap = &fattr;
+ notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
+ fap, p, cnp->cn_cred);
+ fid.f_id = fap->dirEntNum;
+ if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
+ fid.f_parent = dnp->n_fid.f_parent;
+ } else
+ fid.f_parent = dnp->n_fid.f_id;
+ NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
+ }
+ if (notfound && notfound < 0x80 )
+ return (notfound); /* hard error */
+ if (notfound) { /* entry not found */
+ /* Handle RENAME or CREATE case... */
+ if ((nameiop == CREATE || nameiop == RENAME) && wantparent && islastcn) {
+ cnp->cn_flags |= SAVENAME;
+ if (!lockparent)
+ VOP_UNLOCK(dvp, 0, p);
+ return (EJUSTRETURN);
+ }
+ return ENOENT;
+ }/* else {
+ NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
+ }*/
+ /* handle DELETE case ... */
+ if (nameiop == DELETE && islastcn) { /* delete last component */
+ error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, cnp->cn_proc);
+ if (error) return (error);
+ if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
+ VREF(dvp);
+ *vpp = dvp;
+ return 0;
+ }
+ error = nwfs_nget(mp, fid, fap, dvp, &vp);
+ if (error) return (error);
+ *vpp = vp;
+ cnp->cn_flags |= SAVENAME; /* I free it later */
+ if (!lockparent) VOP_UNLOCK(dvp,0,p);
+ return (0);
+ }
+ if (nameiop == RENAME && islastcn && wantparent) {
+ error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, cnp->cn_proc);
+ if (error) return (error);
+ if (NWCMPF(&dnp->n_fid, &fid)) return EISDIR;
+ error = nwfs_nget(mp, fid, fap, dvp, &vp);
+ if (error) return (error);
+ *vpp = vp;
+ cnp->cn_flags |= SAVENAME;
+ if (!lockparent)
+ VOP_UNLOCK(dvp,0,p);
+ return (0);
+ }
+ if (flags & ISDOTDOT) {
+ VOP_UNLOCK(dvp, 0, p); /* race to get the inode */
+ error = nwfs_nget(mp, fid, NULL, NULL, &vp);
+ if (error) {
+ vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, p);
+ return (error);
+ }
+ if (lockparent && islastcn &&
+ (error = vn_lock(dvp, LK_EXCLUSIVE, p))) {
+ vput(vp);
+ return (error);
+ }
+ *vpp = vp;
+ } else if (NWCMPF(&dnp->n_fid, &fid)) {
+ vref(dvp);
+ *vpp = dvp;
+ } else {
+ error = nwfs_nget(mp, fid, fap, dvp, &vp);
+ if (error) return (error);
+ *vpp = vp;
+ NCPVNDEBUG("lookup: getnewvp!\n");
+ if (!lockparent || !islastcn)
+ VOP_UNLOCK(dvp, 0, p);
+ }
+ if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
+ VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;
+ cache_enter(dvp, *vpp, cnp);
+ }
+ return (0);
+}
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