Current Path : /sys/security/mac_bsdextended/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/security/mac_bsdextended/ugidfw_vnode.c |
/*- * Copyright (c) 1999-2002, 2007-2008 Robert N. M. Watson * Copyright (c) 2001-2005 Networks Associates Technology, Inc. * Copyright (c) 2005 Tom Rhodes * Copyright (c) 2006 SPARTA, Inc. * All rights reserved. * * This software was developed by Robert Watson for the TrustedBSD Project. * It was later enhanced by Tom Rhodes for the TrustedBSD Project. * * This software was developed for the FreeBSD Project in part by Network * Associates Laboratories, the Security Research Division of Network * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), * as part of the DARPA CHATS research program. * * This software was enhanced by SPARTA ISSO under SPAWAR contract * N66001-04-C-6019 ("SEFOS"). * * 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: release/9.1.0/sys/security/mac_bsdextended/ugidfw_vnode.c 189533 2009-03-08 12:32:06Z rwatson $ */ #include <sys/param.h> #include <sys/acl.h> #include <sys/kernel.h> #include <sys/jail.h> #include <sys/lock.h> #include <sys/malloc.h> #include <sys/module.h> #include <sys/mount.h> #include <sys/mutex.h> #include <sys/priv.h> #include <sys/systm.h> #include <sys/vnode.h> #include <sys/sysctl.h> #include <sys/syslog.h> #include <sys/stat.h> #include <security/mac/mac_policy.h> #include <security/mac_bsdextended/mac_bsdextended.h> #include <security/mac_bsdextended/ugidfw_internal.h> int ugidfw_vnode_check_access(struct ucred *cred, struct vnode *vp, struct label *vplabel, accmode_t accmode) { return (ugidfw_check_vp(cred, vp, ugidfw_accmode2mbi(accmode))); } int ugidfw_vnode_check_chdir(struct ucred *cred, struct vnode *dvp, struct label *dvplabel) { return (ugidfw_check_vp(cred, dvp, MBI_EXEC)); } int ugidfw_vnode_check_chroot(struct ucred *cred, struct vnode *dvp, struct label *dvplabel) { return (ugidfw_check_vp(cred, dvp, MBI_EXEC)); } int ugidfw_check_create_vnode(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct componentname *cnp, struct vattr *vap) { return (ugidfw_check_vp(cred, dvp, MBI_WRITE)); } int ugidfw_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, struct label *vplabel, acl_type_t type) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace, const char *name) { return (ugidfw_check_vp(cred, vp, MBI_WRITE)); } int ugidfw_vnode_check_exec(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct image_params *imgp, struct label *execlabel) { return (ugidfw_check_vp(cred, vp, MBI_READ|MBI_EXEC)); } int ugidfw_vnode_check_getacl(struct ucred *cred, struct vnode *vp, struct label *vplabel, acl_type_t type) { return (ugidfw_check_vp(cred, vp, MBI_STAT)); } int ugidfw_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace, const char *name) { return (ugidfw_check_vp(cred, vp, MBI_READ)); } int ugidfw_vnode_check_link(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *label, struct componentname *cnp) { int error; error = ugidfw_check_vp(cred, dvp, MBI_WRITE); if (error) return (error); error = ugidfw_check_vp(cred, vp, MBI_WRITE); if (error) return (error); return (0); } int ugidfw_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace) { return (ugidfw_check_vp(cred, vp, MBI_READ)); } int ugidfw_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct componentname *cnp) { return (ugidfw_check_vp(cred, dvp, MBI_EXEC)); } int ugidfw_vnode_check_open(struct ucred *cred, struct vnode *vp, struct label *vplabel, accmode_t accmode) { return (ugidfw_check_vp(cred, vp, ugidfw_accmode2mbi(accmode))); } int ugidfw_vnode_check_readdir(struct ucred *cred, struct vnode *dvp, struct label *dvplabel) { return (ugidfw_check_vp(cred, dvp, MBI_READ)); } int ugidfw_vnode_check_readdlink(struct ucred *cred, struct vnode *vp, struct label *vplabel) { return (ugidfw_check_vp(cred, vp, MBI_READ)); } int ugidfw_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *vplabel, struct componentname *cnp) { int error; error = ugidfw_check_vp(cred, dvp, MBI_WRITE); if (error) return (error); return (ugidfw_check_vp(cred, vp, MBI_WRITE)); } int ugidfw_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *vplabel, int samedir, struct componentname *cnp) { int error; error = ugidfw_check_vp(cred, dvp, MBI_WRITE); if (error) return (error); if (vp != NULL) error = ugidfw_check_vp(cred, vp, MBI_WRITE); return (error); } int ugidfw_vnode_check_revoke(struct ucred *cred, struct vnode *vp, struct label *vplabel) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_check_setacl_vnode(struct ucred *cred, struct vnode *vp, struct label *vplabel, acl_type_t type, struct acl *acl) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace, const char *name) { return (ugidfw_check_vp(cred, vp, MBI_WRITE)); } int ugidfw_vnode_check_setflags(struct ucred *cred, struct vnode *vp, struct label *vplabel, u_long flags) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_vnode_check_setmode(struct ucred *cred, struct vnode *vp, struct label *vplabel, mode_t mode) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_vnode_check_setowner(struct ucred *cred, struct vnode *vp, struct label *vplabel, uid_t uid, gid_t gid) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct timespec atime, struct timespec utime) { return (ugidfw_check_vp(cred, vp, MBI_ADMIN)); } int ugidfw_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred, struct vnode *vp, struct label *vplabel) { return (ugidfw_check_vp(active_cred, vp, MBI_STAT)); } int ugidfw_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *vplabel, struct componentname *cnp) { int error; error = ugidfw_check_vp(cred, dvp, MBI_WRITE); if (error) return (error); return (ugidfw_check_vp(cred, vp, MBI_WRITE)); }