int
xfs_fhtovp(struct mount * mp,
struct fid * fhp,
struct mbuf * nam,
struct vnode ** vpp,
int *exflagsp,
struct ucred ** credanonp)
{
static struct ucred fhtovpcred;
int error;
/* XXX: Should see if we is exported to this client */
#if 0
np = vfs_export_lookup(mp, &ump->um_export, nam);
if (np == NULL)
return EACCES;
#endif
error = common_fhtovp(mp, fhp, vpp);
if (error == 0) {
fhtovpcred.cr_uid = 0;
fhtovpcred.cr_gid = 0;
fhtovpcred.cr_ngroups = 0;
#ifdef MNT_EXPUBLIC
*exflagsp = MNT_EXPUBLIC;
#else
*exflagsp = 0;
#endif
*credanonp = &fhtovpcred;
}
return error;
}
/*
* Verify a remote client has export rights and return these rights via.
* exflagsp and credanonp.
*/
int
ufs_check_export(struct mount *mp, struct mbuf *nam, int *exflagsp,
struct ucred **credanonp)
{
struct netcred *np;
struct ufsmount *ump = VFSTOUFS(mp);
/*
* Get the export permission structure for this <mp, client> tuple.
*/
np = vfs_export_lookup(mp, &ump->um_export, nam);
if (np == NULL)
return (EACCES);
*exflagsp = np->netc_exflags;
*credanonp = &np->netc_anon;
return (0);
}
/*
* Verify a remote client has export rights and return these rights via.
* exflagsp and credanonp.
*/
static int
ntfs_checkexp(struct mount *mp, struct sockaddr *nam,
int *exflagsp, struct ucred **credanonp)
{
struct netcred *np;
struct ntfsmount *ntm = VFSTONTFS(mp);
/*
* Get the export permission structure for this <mp, client> tuple.
*/
np = vfs_export_lookup(mp, &ntm->ntm_export, nam);
if (np == NULL)
return (EACCES);
*exflagsp = np->netc_exflags;
*credanonp = &np->netc_anon;
return (0);
}
int
xfs_checkexp (struct mount *mp,
#ifdef __FreeBSD__
struct sockaddr *nam,
#else
struct mbuf *nam,
#endif
int *exflagsp,
struct ucred **credanonp)
{
NNPFSDEB(XDEBVFOPS, ("xfs_checkexp\n"));
#if 0
np = vfs_export_lookup(mp, &ump->um_export, nam);
if (np == NULL)
return EACCES;
#endif
return 0;
}
int
vfs_stdcheckexp(struct mount *mp, struct sockaddr *nam, int *extflagsp,
struct ucred **credanonp, int *numsecflavors, int **secflavors)
{
struct netcred *np;
lockmgr(&mp->mnt_explock, LK_SHARED, NULL);
np = vfs_export_lookup(mp, nam);
if (np == NULL) {
lockmgr(&mp->mnt_explock, LK_RELEASE, NULL);
*credanonp = NULL;
return (EACCES);
}
*extflagsp = np->netc_exflags;
if ((*credanonp = np->netc_anon) != NULL)
crhold(*credanonp);
if (numsecflavors)
*numsecflavors = np->netc_numsecflavors;
if (secflavors)
*secflavors = np->netc_secflavors;
lockmgr(&mp->mnt_explock, LK_RELEASE, NULL);
return (0);
}