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-rw-r--r--sys/fs/portalfs/portal_vfsops.c263
1 files changed, 0 insertions, 263 deletions
diff --git a/sys/fs/portalfs/portal_vfsops.c b/sys/fs/portalfs/portal_vfsops.c
deleted file mode 100644
index 62131dc..0000000
--- a/sys/fs/portalfs/portal_vfsops.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/*-
- * Copyright (c) 1992, 1993, 1995
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software donated to Berkeley by
- * Jan-Simon Pendry.
- *
- * 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.
- * 4. 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.
- *
- * @(#)portal_vfsops.c 8.11 (Berkeley) 5/14/95
- *
- * $FreeBSD$
- */
-
-/*
- * Portal Filesystem
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/capability.h>
-#include <sys/domain.h>
-#include <sys/filedesc.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <sys/malloc.h>
-#include <sys/file.h> /* Must come after sys/malloc.h */
-#include <sys/mount.h>
-#include <sys/proc.h>
-#include <sys/protosw.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/vnode.h>
-
-#include <fs/portalfs/portal.h>
-
-static MALLOC_DEFINE(M_PORTALFSMNT, "portal_mount", "PORTAL mount structure");
-
-static vfs_unmount_t portal_unmount;
-static vfs_root_t portal_root;
-static vfs_statfs_t portal_statfs;
-
-static const char *portal_opts[] = {
- "socket", "config",
- NULL
-};
-
-static int
-portal_cmount(struct mntarg *ma, void *data, uint64_t flags)
-{
- struct portal_args args;
- int error;
-
- if (data == NULL)
- return (EINVAL);
- error = copyin(data, &args, sizeof args);
- if (error)
- return (error);
-
- ma = mount_argf(ma, "socket", "%d", args.pa_socket);
- ma = mount_argsu(ma, "config", args.pa_config, MAXPATHLEN);
- error = kernel_mount(ma, flags);
-
- return (error);
-}
-
-/*
- * Mount the per-process file descriptors (/dev/fd)
- */
-static int
-portal_mount(struct mount *mp)
-{
- struct file *fp;
- struct portalmount *fmp;
- struct socket *so;
- struct vnode *rvp;
- struct thread *td;
- struct portalnode *pn;
- int error, v;
- char *p;
-
- td = curthread;
- if (vfs_filteropt(mp->mnt_optnew, portal_opts))
- return (EINVAL);
-
- error = vfs_scanopt(mp->mnt_optnew, "socket", "%d", &v);
- if (error != 1)
- return (EINVAL);
- error = vfs_getopt(mp->mnt_optnew, "config", (void **)&p, NULL);
- if (error)
- return (error);
-
- /*
- * Capsicum is not incompatible with portalfs, but we don't really
- * know what rights are required. In the spirit of "better safe than
- * sorry", pretend that all rights are required for now.
- */
- if ((error = fget(td, v, CAP_MASK_VALID, &fp)) != 0)
- return (error);
- if (fp->f_type != DTYPE_SOCKET) {
- fdrop(fp, td);
- return(ENOTSOCK);
- }
- so = fp->f_data; /* XXX race against userland */
- if (so->so_proto->pr_domain->dom_family != AF_UNIX) {
- fdrop(fp, td);
- return (ESOCKTNOSUPPORT);
- }
-
- pn = malloc(sizeof(struct portalnode),
- M_TEMP, M_WAITOK);
-
- fmp = malloc(sizeof(struct portalmount),
- M_PORTALFSMNT, M_WAITOK); /* XXX */
-
- error = getnewvnode("portal", mp, &portal_vnodeops, &rvp); /* XXX */
- if (error) {
- free(fmp, M_PORTALFSMNT);
- free(pn, M_TEMP);
- fdrop(fp, td);
- return (error);
- }
-
- error = insmntque(rvp, mp); /* XXX: Too early for mpsafe fs */
- if (error != 0) {
- free(fmp, M_PORTALFSMNT);
- free(pn, M_TEMP);
- fdrop(fp, td);
- return (error);
- }
- rvp->v_data = pn;
- rvp->v_type = VDIR;
- rvp->v_vflag |= VV_ROOT;
- VTOPORTAL(rvp)->pt_arg = 0;
- VTOPORTAL(rvp)->pt_size = 0;
- VTOPORTAL(rvp)->pt_fileid = PORTAL_ROOTFILEID;
- fmp->pm_root = rvp;
- fhold(fp);
- fmp->pm_server = fp;
-
- MNT_ILOCK(mp);
- mp->mnt_flag |= MNT_LOCAL;
- MNT_IUNLOCK(mp);
- mp->mnt_data = fmp;
- vfs_getnewfsid(mp);
-
- vfs_mountedfrom(mp, p);
- fdrop(fp, td);
- return (0);
-}
-
-static int
-portal_unmount(mp, mntflags)
- struct mount *mp;
- int mntflags;
-{
- int error, flags = 0;
-
-
- if (mntflags & MNT_FORCE)
- flags |= FORCECLOSE;
-
- /*
- * Clear out buffer cache. I don't think we
- * ever get anything cached at this level at the
- * moment, but who knows...
- */
-#ifdef notyet
- mntflushbuf(mp, 0);
- if (mntinvalbuf(mp, 1))
- return (EBUSY);
-#endif
- /* There is 1 extra root vnode reference (pm_root). */
- error = vflush(mp, 1, flags, curthread);
- if (error)
- return (error);
-
- /*
- * Shutdown the socket. This will cause the select in the
- * daemon to wake up, and then the accept will get ECONNABORTED
- * which it interprets as a request to go and bury itself.
- */
- soshutdown(VFSTOPORTAL(mp)->pm_server->f_data, 2);
- /*
- * Discard reference to underlying file. Must call closef because
- * this may be the last reference.
- */
- closef(VFSTOPORTAL(mp)->pm_server, (struct thread *) 0);
- /*
- * Finally, throw away the portalmount structure
- */
- free(mp->mnt_data, M_PORTALFSMNT); /* XXX */
- mp->mnt_data = NULL;
- return (0);
-}
-
-static int
-portal_root(mp, flags, vpp)
- struct mount *mp;
- int flags;
- struct vnode **vpp;
-{
- struct vnode *vp;
-
- /*
- * Return locked reference to root.
- */
- vp = VFSTOPORTAL(mp)->pm_root;
- VREF(vp);
- vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
- *vpp = vp;
- return (0);
-}
-
-static int
-portal_statfs(mp, sbp)
- struct mount *mp;
- struct statfs *sbp;
-{
-
- sbp->f_flags = 0;
- sbp->f_bsize = DEV_BSIZE;
- sbp->f_iosize = DEV_BSIZE;
- sbp->f_blocks = 2; /* 1K to keep df happy */
- sbp->f_bfree = 0;
- sbp->f_bavail = 0;
- sbp->f_files = 1; /* Allow for "." */
- sbp->f_ffree = 0; /* See comments above */
- return (0);
-}
-
-static struct vfsops portal_vfsops = {
- .vfs_cmount = portal_cmount,
- .vfs_mount = portal_mount,
- .vfs_root = portal_root,
- .vfs_statfs = portal_statfs,
- .vfs_unmount = portal_unmount,
-};
-
-VFS_SET(portal_vfsops, portalfs, VFCF_SYNTHETIC);
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