diff options
Diffstat (limited to 'sys/contrib/lomac/lomacfs_subr.c')
| -rw-r--r-- | sys/contrib/lomac/lomacfs_subr.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/sys/contrib/lomac/lomacfs_subr.c b/sys/contrib/lomac/lomacfs_subr.c deleted file mode 100644 index 02db1b9..0000000 --- a/sys/contrib/lomac/lomacfs_subr.c +++ /dev/null @@ -1,118 +0,0 @@ -/*- - * Copyright (c) 2001 Networks Associates Technology, Inc. - * 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. - * - * 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/lock.h> -#include <sys/mutex.h> -#include <sys/namei.h> - -#include <vm/vm.h> -#include <vm/vm_extern.h> - -#include "lomacfs.h" -#include "kernel_plm.h" - -int -lomacfs_node_alloc(struct mount *mp, struct componentname *cnp, - struct vnode *dvp, struct vnode *lowervp, struct vnode **vpp) { - lomac_object_t lobj; - struct thread *td = curthread; - struct vnode *vp; - struct lomac_node *lp; - lattr_t subjlattr, objlattr; - int error; - - KASSERT((cnp == NULL) == (dvp == NULL), - ("lomacfs_node_alloc: dvp and cnp do not match")); - lp = malloc(sizeof(*lp), M_LOMACFS, M_WAITOK); - if (dvp != NULL) { - error = cache_lookup(dvp, vpp, cnp); - if (error == -1) { /* lost the race; return EEXIST and the vp */ - vput(lowervp); - error = vget(*vpp, LK_EXCLUSIVE, td); - free(lp, M_LOMACFS); - if (error) { - *vpp = NULL; - return (error); - } else - return (EEXIST); - } - } - error = getnewvnode(VT_NULL, mp, lomacfs_vnodeop_p, vpp); - if (error) { - vput(lowervp); - free(lp, M_LOMACFS); - return (error); - } - vp = *vpp; - - vp->v_type = lowervp != NULL ? lowervp->v_type : VBAD; - if (vp->v_type == VCHR) - vp->v_rdev = lowervp->v_rdev; - vp->v_data = lp; - lp->ln_vp = vp; - lp->ln_lowervp = lowervp; - if (lowervp != NULL) - vhold(lowervp); - get_subject_lattr(curthread->td_proc, &subjlattr); - lp->ln_flags = 0; - lomac_plm_init_lomacfs_vnode(dvp, vp, cnp, &subjlattr); - /* retrieve the just-initialized attributes */ - lobj.lo_type = LO_TYPE_LVNODE; - lobj.lo_object.vnode = vp; - get_object_lattr(&lobj, &objlattr); - /* propogate the lattr to the underlying vnode */ - lobj.lo_type = LO_TYPE_UVNODE; - lobj.lo_object.vnode = lowervp; - set_object_lattr(&lobj, objlattr); -#if defined(LOMAC_DEBUG_INCNAME) - if (cnp == NULL) - strncpy(lp->ln_name, "/", sizeof(lp->ln_name)); - else { - strncpy(lp->ln_name, cnp->cn_nameptr, cnp->cn_namelen); - lp->ln_name[cnp->cn_namelen] = '\0'; - } -#endif - error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY | LK_THISLAYER, td); - if (error) - panic("lomacfs_node_alloc: can't lock new vnode\n"); - if (cnp == NULL) - vp->v_flag |= VROOT; - else if (cnp->cn_flags & MAKEENTRY) - cache_enter(dvp, vp, cnp); - -#if defined(LOMAC_DEBUG_NODE_ALLOC) - printf("lomacfs: made vp %p for lvp %p \"%.*s\" in dvp %p from %s\n", - vp, lowervp, cnp ? (int)cnp->cn_namelen : 0, - cnp ? cnp->cn_nameptr : "", dvp, - lowervp != NULL ? lowervp->v_mount->mnt_stat.f_mntonname : ""); -#endif - - return (0); -} |
