830 lines
19 KiB
C
830 lines
19 KiB
C
/*
|
|
* Copyright (c) 1992 The Regents of the University of California
|
|
* Copyright (c) 1990, 1992 Jan-Simon Pendry
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 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.
|
|
*
|
|
* From:
|
|
* Id: portal_vnops.c,v 1.5 1993/09/22 17:57:20 jsp Exp
|
|
*
|
|
* $Id: portal_vnops.c,v 1.1 1994/01/05 14:23:29 cgd Exp $
|
|
*/
|
|
|
|
/*
|
|
* Portal Filesystem
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/proc.h>
|
|
/*#include <sys/resourcevar.h>*/
|
|
#include <sys/filedesc.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/file.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/namei.h>
|
|
/*#include <sys/buf.h>*/
|
|
#include <sys/mbuf.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/un.h>
|
|
#include <sys/unpcb.h>
|
|
#include <miscfs/portal/portal.h>
|
|
|
|
static int portal_fileid = PORTAL_ROOTFILEID+1;
|
|
|
|
static void
|
|
portal_closefd(p, fd)
|
|
struct proc *p;
|
|
int fd;
|
|
{
|
|
int error;
|
|
struct {
|
|
int fd;
|
|
} ua;
|
|
int rc;
|
|
|
|
ua.fd = fd;
|
|
error = close(p, &ua, &rc);
|
|
/*
|
|
* We should never get an error, and there isn't anything
|
|
* we could do if we got one, so just print a message.
|
|
*/
|
|
if (error)
|
|
printf("portal_closefd: error = %d\n", error);
|
|
}
|
|
|
|
/*
|
|
* vp is the current namei directory
|
|
* ndp is the name to locate in that directory...
|
|
*/
|
|
portal_lookup(dvp, ndp, p)
|
|
struct vnode *dvp;
|
|
struct nameidata *ndp;
|
|
struct proc *p;
|
|
{
|
|
char *pname = ndp->ni_ptr;
|
|
struct portalnode *pt;
|
|
int error;
|
|
struct vnode *fvp = 0;
|
|
char *path;
|
|
int size;
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_lookup(%s)\n", pname);
|
|
#endif
|
|
if (ndp->ni_namelen == 1 && *pname == '.') {
|
|
ndp->ni_dvp = dvp;
|
|
ndp->ni_vp = dvp;
|
|
VREF(dvp);
|
|
/*VOP_LOCK(dvp);*/
|
|
return (0);
|
|
}
|
|
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_lookup: allocate new vnode\n");
|
|
#endif
|
|
error = getnewvnode(VT_UFS, dvp->v_mount, &portal_vnodeops, &fvp);
|
|
if (error)
|
|
goto bad;
|
|
fvp->v_type = VREG;
|
|
|
|
pt = VTOPORTAL(fvp);
|
|
/*
|
|
* Save all of the remaining pathname and
|
|
* advance the namei next pointer to the end
|
|
* of the string.
|
|
*/
|
|
for (size = 0, path = pname; *path; path++)
|
|
size++;
|
|
ndp->ni_next = path;
|
|
ndp->ni_pathlen -= size - ndp->ni_namelen;
|
|
pt->pt_arg = malloc(size+1, M_TEMP, M_WAITOK);
|
|
pt->pt_size = size+1;
|
|
bcopy(pname, pt->pt_arg, pt->pt_size);
|
|
pt->pt_fileid = portal_fileid++;
|
|
|
|
ndp->ni_dvp = dvp;
|
|
ndp->ni_vp = fvp;
|
|
/*VOP_LOCK(fvp);*/
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_lookup: newvp = %x\n", fvp);
|
|
#endif
|
|
return (0);
|
|
|
|
bad:;
|
|
if (fvp) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_lookup: vrele(%x)\n", fvp);
|
|
#endif
|
|
vrele(fvp);
|
|
}
|
|
ndp->ni_dvp = dvp;
|
|
ndp->ni_vp = NULL;
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_lookup: error = %d\n", error);
|
|
#endif
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
portal_connect(so, so2)
|
|
struct socket *so;
|
|
struct socket *so2;
|
|
{
|
|
/* from unp_connect, bypassing the namei stuff... */
|
|
|
|
struct socket *so3;
|
|
struct unpcb *unp2;
|
|
struct unpcb *unp3;
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_connect\n");
|
|
#endif
|
|
|
|
if (so2 == 0)
|
|
return (ECONNREFUSED);
|
|
|
|
if (so->so_type != so2->so_type)
|
|
return (EPROTOTYPE);
|
|
|
|
if ((so2->so_options & SO_ACCEPTCONN) == 0)
|
|
return (ECONNREFUSED);
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_connect: calling sonewconn\n");
|
|
#endif
|
|
|
|
if ((so3 = sonewconn(so2, 0)) == 0)
|
|
return (ECONNREFUSED);
|
|
|
|
unp2 = sotounpcb(so2);
|
|
unp3 = sotounpcb(so3);
|
|
if (unp2->unp_addr)
|
|
unp3->unp_addr = m_copy(unp2->unp_addr, 0, (int)M_COPYALL);
|
|
|
|
so2 = so3;
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_connect: calling unp_connect2\n");
|
|
#endif
|
|
|
|
return (unp_connect2(so, so2));
|
|
}
|
|
|
|
portal_open(vp, mode, cred, p)
|
|
struct vnode *vp;
|
|
int mode;
|
|
struct ucred *cred;
|
|
struct proc *p;
|
|
{
|
|
struct socket *so = 0;
|
|
struct portalnode *pt;
|
|
int s;
|
|
struct uio auio;
|
|
struct iovec aiov[2];
|
|
int res;
|
|
struct mbuf *cm = 0;
|
|
struct cmsghdr *cmsg;
|
|
int newfds;
|
|
int *ip;
|
|
int fd;
|
|
int error;
|
|
int len;
|
|
struct portalmount *fmp;
|
|
struct file *fp;
|
|
struct portal_cred pcred;
|
|
|
|
/*
|
|
* Nothing to do when opening the root node.
|
|
*/
|
|
if (vp->v_flag & VROOT)
|
|
return (0);
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open(%x)\n", vp);
|
|
#endif
|
|
|
|
/*
|
|
* Can't be opened unless the caller is set up
|
|
* to deal with the side effects. Check for this
|
|
* by testing whether the p_dupfd has been set.
|
|
*/
|
|
if (p->p_dupfd >= 0)
|
|
return (ENODEV);
|
|
|
|
pt = VTOPORTAL(vp);
|
|
fmp = VFSTOPORTAL(vp->v_mount);
|
|
|
|
/*
|
|
* Create a new socket.
|
|
*/
|
|
error = socreate(AF_UNIX, &so, SOCK_STREAM, 0);
|
|
if (error)
|
|
goto bad;
|
|
|
|
/*
|
|
* Reserve some buffer space
|
|
*/
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: calling soreserve\n");
|
|
#endif
|
|
res = max(512, pt->pt_size + 128);
|
|
error = soreserve(so, res, res);
|
|
if (error)
|
|
goto bad;
|
|
|
|
/*
|
|
* Kick off connection
|
|
*/
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: calling portal_connect\n");
|
|
#endif
|
|
error = portal_connect(so, (struct socket *)fmp->pm_server->f_data);
|
|
if (error)
|
|
goto bad;
|
|
|
|
/*
|
|
* Wait for connection to complete
|
|
*/
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: waiting for connect\n");
|
|
#endif
|
|
/*
|
|
* XXX: Since the mount point is holding a reference on the
|
|
* underlying server socket, it is not easy to find out whether
|
|
* the server process is still running. To handle this problem
|
|
* we loop waiting for the new socket to be connected (something
|
|
* which will only happen if the server is still running) or for
|
|
* the reference count on the server socket to drop to 1, which
|
|
* will happen if the server dies. Sleep for 5 second intervals
|
|
* and keep polling the reference count. XXX.
|
|
*/
|
|
s = splnet();
|
|
while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) {
|
|
if (fmp->pm_server->f_count == 1) {
|
|
error = ECONNREFUSED;
|
|
splx(s);
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: server process has gone away\n");
|
|
#endif
|
|
goto bad;
|
|
}
|
|
(void) tsleep((caddr_t) &so->so_timeo, PSOCK, "portalcon", 5 * hz);
|
|
}
|
|
splx(s);
|
|
|
|
if (so->so_error) {
|
|
error = so->so_error;
|
|
goto bad;
|
|
}
|
|
|
|
/*
|
|
* Set miscellaneous flags
|
|
*/
|
|
so->so_rcv.sb_timeo = 0;
|
|
so->so_snd.sb_timeo = 0;
|
|
so->so_rcv.sb_flags |= SB_NOINTR;
|
|
so->so_snd.sb_flags |= SB_NOINTR;
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: constructing data uio\n");
|
|
#endif
|
|
|
|
pcred.pcr_uid = cred->cr_uid;
|
|
pcred.pcr_gid = cred->cr_gid;
|
|
aiov[0].iov_base = (caddr_t) &pcred;
|
|
aiov[0].iov_len = sizeof(pcred);
|
|
aiov[1].iov_base = pt->pt_arg;
|
|
aiov[1].iov_len = pt->pt_size;
|
|
auio.uio_iov = aiov;
|
|
auio.uio_iovcnt = 2;
|
|
auio.uio_rw = UIO_WRITE;
|
|
auio.uio_segflg = UIO_SYSSPACE;
|
|
auio.uio_procp = p;
|
|
auio.uio_offset = 0;
|
|
auio.uio_resid = aiov[0].iov_len + aiov[1].iov_len;
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: sending data to server\n");
|
|
#endif
|
|
error = sosend(so, (struct mbuf *) 0, &auio,
|
|
(struct mbuf *) 0, (struct mbuf *) 0, 0);
|
|
if (error)
|
|
goto bad;
|
|
|
|
len = auio.uio_resid = sizeof(int);
|
|
do {
|
|
struct mbuf *m = 0;
|
|
int flags = MSG_WAITALL;
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: receiving data from server\n");
|
|
printf("portal_open: so = %x, cm = %x, resid = %d\n",
|
|
so, cm, auio.uio_resid);
|
|
printf("portal_open, uio=%x, mp0=%x, controlp=%x\n", &auio, &cm);
|
|
#endif
|
|
error = soreceive(so, (struct mbuf **) 0, &auio,
|
|
&m, &cm, &flags);
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: after receiving data\n");
|
|
printf("portal_open: so = %x, cm = %x, resid = %d\n",
|
|
so, cm, auio.uio_resid);
|
|
#endif
|
|
if (error)
|
|
goto bad;
|
|
|
|
/*
|
|
* Grab an error code from the mbuf.
|
|
*/
|
|
if (m) {
|
|
m = m_pullup(m, sizeof(int)); /* Needed? */
|
|
if (m) {
|
|
error = *(mtod(m, int *));
|
|
m_freem(m);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: error returned is %d\n", error);
|
|
#endif
|
|
} else {
|
|
if (cm == 0) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: no rights received\n");
|
|
#endif
|
|
error = ECONNRESET; /* XXX */
|
|
#ifdef notdef
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
} while (cm == 0 && auio.uio_resid == len && !error);
|
|
|
|
if (cm == 0)
|
|
goto bad;
|
|
|
|
if (auio.uio_resid) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: still need another %d bytes\n", auio.uio_resid);
|
|
#endif
|
|
error = 0;
|
|
#ifdef notdef
|
|
error = EMSGSIZE;
|
|
goto bad;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* XXX: Break apart the control message, and retrieve the
|
|
* received file descriptor. Note that more than one descriptor
|
|
* may have been received, or that the rights chain may have more
|
|
* than a single mbuf in it. What to do?
|
|
*/
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: about to break apart control message\n");
|
|
#endif
|
|
cmsg = mtod(cm, struct cmsghdr *);
|
|
newfds = (cmsg->cmsg_len - sizeof(*cmsg)) / sizeof (int);
|
|
if (newfds == 0) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: received no fds\n");
|
|
#endif
|
|
error = ECONNREFUSED;
|
|
goto bad;
|
|
}
|
|
/*
|
|
* At this point the rights message consists of a control message
|
|
* header, followed by a data region containing a vector of
|
|
* integer file descriptors. The fds were allocated by the action
|
|
* of receiving the control message.
|
|
*/
|
|
ip = (int *) (cmsg + 1);
|
|
fd = *ip++;
|
|
if (newfds > 1) {
|
|
/*
|
|
* Close extra fds.
|
|
*/
|
|
int i;
|
|
printf("portal_open: %d extra fds\n", newfds - 1);
|
|
for (i = 1; i < newfds; i++) {
|
|
portal_closefd(p, *ip);
|
|
ip++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check that the mode the file is being opened for is a subset
|
|
* of the mode of the existing descriptor.
|
|
*/
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: checking file flags, fd = %d\n", fd);
|
|
#endif
|
|
fp = p->p_fd->fd_ofiles[fd];
|
|
if (((mode & (FREAD|FWRITE)) | fp->f_flag) != fp->f_flag) {
|
|
portal_closefd(p, fd);
|
|
error = EACCES;
|
|
goto bad;
|
|
}
|
|
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: got fd = %d\n", fd);
|
|
#endif
|
|
/*
|
|
* Save the dup fd in the proc structure then return the
|
|
* special error code (ENXIO) which causes magic things to
|
|
* happen in vn_open. The whole concept is, well, hmmm.
|
|
*/
|
|
p->p_dupfd = fd;
|
|
error = ENXIO;
|
|
|
|
bad:;
|
|
/*
|
|
* And discard the control message.
|
|
*/
|
|
if (cm) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: free'ing control message\n");
|
|
#endif
|
|
m_freem(cm);
|
|
}
|
|
|
|
if (so) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: calling soshutdown\n");
|
|
#endif
|
|
soshutdown(so, 2);
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_open: calling soclose\n");
|
|
#endif
|
|
soclose(so);
|
|
}
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
if (error != ENODEV)
|
|
printf("portal_open: error = %d\n", error);
|
|
#endif
|
|
return (error);
|
|
|
|
#if 0
|
|
/*
|
|
* XXX Kludge: set curproc->p_dupfd to contain the value of the
|
|
* the file descriptor being sought for duplication. The error
|
|
* return ensures that the vnode for this device will be released
|
|
* by vn_open. Open will detect this special error and take the
|
|
* actions in dupfdopen. Other callers of vn_open or VOP_OPEN
|
|
* will simply report the error.
|
|
*/
|
|
|
|
fdp = p->p_fd;
|
|
dfd = VTOPORTAL(vp)->f_fd;
|
|
|
|
/*
|
|
* Check that the file descriptor is valid
|
|
*/
|
|
if (dfd >= fdp->fd_nfiles ||
|
|
(fp = fdp->fd_ofiles[dfd]) == NULL)
|
|
return (EBADF);
|
|
|
|
/*
|
|
* Check that the mode the file is being opened for is a subset
|
|
* of the mode of the existing descriptor.
|
|
*/
|
|
if (((mode & (FREAD|FWRITE)) | fp->f_flag) != fp->f_flag)
|
|
return (EACCES);
|
|
|
|
/*
|
|
* Go ahead and dup the file descriptor.
|
|
* The file pointer will be stolen back in
|
|
* dupfdopen, and the file descriptor freed.
|
|
*/
|
|
if (error = fdalloc(p, 0, &fd))
|
|
return (error);
|
|
fdp->fd_ofiles[fd] = fp;
|
|
fdp->fd_ofileflags[fd] = fdp->fd_ofileflags[dfd] /* &~ UF_EXCLOSE */;
|
|
fp->f_count++;
|
|
if (fd > fdp->fd_lastfile)
|
|
fdp->fd_lastfile = fd;
|
|
p->p_dupfd = fd; /* XXX */
|
|
return (ENODEV);
|
|
#endif
|
|
}
|
|
|
|
portal_getattr(vp, vap, cred, p)
|
|
struct vnode *vp;
|
|
struct vattr *vap;
|
|
struct ucred *cred;
|
|
struct proc *p;
|
|
{
|
|
unsigned fd;
|
|
int error;
|
|
|
|
bzero((caddr_t) vap, sizeof(*vap));
|
|
vattr_null(vap);
|
|
vap->va_uid = 0;
|
|
vap->va_gid = 0;
|
|
vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
|
|
vap->va_size = DEV_BSIZE;
|
|
vap->va_blocksize = DEV_BSIZE;
|
|
microtime(&vap->va_atime);
|
|
vap->va_mtime = vap->va_atime;
|
|
vap->va_ctime = vap->va_ctime;
|
|
vap->va_gen = 0;
|
|
vap->va_flags = 0;
|
|
vap->va_rdev = 0;
|
|
/* vap->va_qbytes = 0; */
|
|
vap->va_bytes = 0;
|
|
/* vap->va_qsize = 0; */
|
|
if (vp->v_flag & VROOT) {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_getattr: stat rootdir\n");
|
|
#endif
|
|
vap->va_type = VDIR;
|
|
vap->va_mode = S_IRUSR|S_IWUSR|S_IXUSR|
|
|
S_IRGRP|S_IWGRP|S_IXGRP|
|
|
S_IROTH|S_IWOTH|S_IXOTH;
|
|
vap->va_nlink = 2;
|
|
vap->va_fileid = 2;
|
|
} else {
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
printf("portal_getattr: stat portal\n");
|
|
#endif
|
|
vap->va_type = VREG;
|
|
vap->va_mode = S_IRUSR|S_IWUSR|
|
|
S_IRGRP|S_IWGRP|
|
|
S_IROTH|S_IWOTH;
|
|
vap->va_nlink = 1;
|
|
vap->va_fileid = VTOPORTAL(vp)->pt_fileid;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
portal_setattr(vp, vap, cred, p)
|
|
struct vnode *vp;
|
|
struct vattr *vap;
|
|
struct ucred *cred;
|
|
struct proc *p;
|
|
{
|
|
/*
|
|
* Can't mess with the root vnode
|
|
*/
|
|
if (vp->v_flag & VROOT)
|
|
return (EACCES);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Fake readdir, just return empty directory.
|
|
* It is hard to deal with '.' and '..' so don't bother.
|
|
*/
|
|
portal_readdir(vp, uio, cred, eofflagp, cookies, ncookies)
|
|
struct vnode *vp;
|
|
struct uio *uio;
|
|
struct ucred *cred;
|
|
int *eofflagp;
|
|
u_int *cookies;
|
|
int ncookies;
|
|
{
|
|
*eofflagp = 1;
|
|
return (0);
|
|
}
|
|
|
|
portal_inactive(vp, p)
|
|
struct vnode *vp;
|
|
struct proc *p;
|
|
{
|
|
#ifdef PORTAL_DIAGNOSTIC
|
|
if (VTOPORTAL(vp)->pt_arg)
|
|
printf("portal_inactive(%x, %s)\n", vp, VTOPORTAL(vp)->pt_arg);
|
|
else
|
|
printf("portal_inactive(%x)\n", vp);
|
|
#endif
|
|
/*vgone(vp);*/
|
|
return (0);
|
|
}
|
|
|
|
portal_reclaim(vp)
|
|
struct vnode *vp;
|
|
{
|
|
struct portalnode *pt = VTOPORTAL(vp);
|
|
if (pt->pt_arg) {
|
|
free((caddr_t) pt->pt_arg, M_TEMP);
|
|
pt->pt_arg = 0;
|
|
}
|
|
printf("portal_reclaim(%x)\n", vp);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Print out the contents of a Portal vnode.
|
|
*/
|
|
/* ARGSUSED */
|
|
portal_print(vp)
|
|
struct vnode *vp;
|
|
{
|
|
printf("tag VT_PORTAL, portal vnode\n");
|
|
}
|
|
|
|
/*
|
|
* Portal vnode unsupported operation
|
|
*/
|
|
portal_enotsupp()
|
|
{
|
|
return (EOPNOTSUPP);
|
|
}
|
|
|
|
/*
|
|
* Portal "should never get here" operation
|
|
*/
|
|
portal_badop()
|
|
{
|
|
panic("portal: bad op");
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
/*
|
|
* Portal vnode null operation
|
|
*/
|
|
portal_nullop()
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
#define portal_create ((int (*) __P(( \
|
|
struct nameidata *ndp, \
|
|
struct vattr *vap, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_mknod ((int (*) __P(( \
|
|
struct nameidata *ndp, \
|
|
struct vattr *vap, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_close ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int fflag, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) nullop)
|
|
#define portal_access ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int mode, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) nullop)
|
|
#define portal_read ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
struct uio *uio, \
|
|
int ioflag, \
|
|
struct ucred *cred))) portal_enotsupp)
|
|
#define portal_write ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
struct uio *uio, \
|
|
int ioflag, \
|
|
struct ucred *cred))) portal_enotsupp)
|
|
#define portal_ioctl ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int command, \
|
|
caddr_t data, \
|
|
int fflag, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_select ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int which, \
|
|
int fflags, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_mmap ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int fflags, \
|
|
struct ucred *cred, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_fsync ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
int fflags, \
|
|
struct ucred *cred, \
|
|
int waitfor, \
|
|
struct proc *p))) nullop)
|
|
#define portal_seek ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
off_t oldoff, \
|
|
off_t newoff, \
|
|
struct ucred *cred))) nullop)
|
|
#define portal_remove ((int (*) __P(( \
|
|
struct nameidata *ndp, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_link ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
struct nameidata *ndp, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_rename ((int (*) __P(( \
|
|
struct nameidata *fndp, \
|
|
struct nameidata *tdnp, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_mkdir ((int (*) __P(( \
|
|
struct nameidata *ndp, \
|
|
struct vattr *vap, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_rmdir ((int (*) __P(( \
|
|
struct nameidata *ndp, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_symlink ((int (*) __P(( \
|
|
struct nameidata *ndp, \
|
|
struct vattr *vap, \
|
|
char *target, \
|
|
struct proc *p))) portal_enotsupp)
|
|
#define portal_readlink ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
struct uio *uio, \
|
|
struct ucred *cred))) portal_enotsupp)
|
|
#define portal_abortop ((int (*) __P(( \
|
|
struct nameidata *ndp))) nullop)
|
|
#define portal_lock ((int (*) __P(( \
|
|
struct vnode *vp))) nullop)
|
|
#define portal_unlock ((int (*) __P(( \
|
|
struct vnode *vp))) nullop)
|
|
#define portal_bmap ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
daddr_t bn, \
|
|
struct vnode **vpp, \
|
|
daddr_t *bnp))) portal_badop)
|
|
#define portal_strategy ((int (*) __P(( \
|
|
struct buf *bp))) portal_badop)
|
|
#define portal_islocked ((int (*) __P(( \
|
|
struct vnode *vp))) nullop)
|
|
#define portal_advlock ((int (*) __P(( \
|
|
struct vnode *vp, \
|
|
caddr_t id, \
|
|
int op, \
|
|
struct flock *fl, \
|
|
int flags))) portal_enotsupp)
|
|
|
|
struct vnodeops portal_vnodeops = {
|
|
portal_lookup, /* lookup */
|
|
portal_create, /* create */
|
|
portal_mknod, /* mknod */
|
|
portal_open, /* open */
|
|
portal_close, /* close */
|
|
portal_access, /* access */
|
|
portal_getattr, /* getattr */
|
|
portal_setattr, /* setattr */
|
|
portal_read, /* read */
|
|
portal_write, /* write */
|
|
portal_ioctl, /* ioctl */
|
|
portal_select, /* select */
|
|
portal_mmap, /* mmap */
|
|
portal_fsync, /* fsync */
|
|
portal_seek, /* seek */
|
|
portal_remove, /* remove */
|
|
portal_link, /* link */
|
|
portal_rename, /* rename */
|
|
portal_mkdir, /* mkdir */
|
|
portal_rmdir, /* rmdir */
|
|
portal_symlink, /* symlink */
|
|
portal_readdir, /* readdir */
|
|
portal_readlink, /* readlink */
|
|
portal_abortop, /* abortop */
|
|
portal_inactive, /* inactive */
|
|
portal_reclaim, /* reclaim */
|
|
portal_lock, /* lock */
|
|
portal_unlock, /* unlock */
|
|
portal_bmap, /* bmap */
|
|
portal_strategy, /* strategy */
|
|
portal_print, /* print */
|
|
portal_islocked, /* islocked */
|
|
portal_advlock, /* advlock */
|
|
};
|