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-rw-r--r--sys/compat/opensolaris/kern/opensolaris_policy.c261
1 files changed, 0 insertions, 261 deletions
diff --git a/sys/compat/opensolaris/kern/opensolaris_policy.c b/sys/compat/opensolaris/kern/opensolaris_policy.c
deleted file mode 100644
index a09c9ec..0000000
--- a/sys/compat/opensolaris/kern/opensolaris_policy.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*-
- * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
- * 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 AUTHORS 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 AUTHORS 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/priv.h>
-#include <sys/vnode.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/policy.h>
-
-int
-secpolicy_zfs(struct ucred *cred)
-{
-
- return (priv_check_cred(cred, PRIV_VFS_MOUNT, 0));
-}
-
-int
-secpolicy_sys_config(struct ucred *cred, int checkonly __unused)
-{
-
- return (priv_check_cred(cred, PRIV_ZFS_POOL_CONFIG, 0));
-}
-
-int
-secpolicy_zinject(struct ucred *cred)
-{
-
- return (priv_check_cred(cred, PRIV_ZFS_INJECT, 0));
-}
-
-int
-secpolicy_fs_unmount(struct ucred *cred, struct mount *vfsp __unused)
-{
-
- return (priv_check_cred(cred, PRIV_VFS_UNMOUNT, 0));
-}
-
-/*
- * This check is done in kern_link(), so we could just return 0 here.
- */
-extern int hardlink_check_uid;
-int
-secpolicy_basic_link(struct ucred *cred)
-{
-
- if (!hardlink_check_uid)
- return (0);
- return (priv_check_cred(cred, PRIV_VFS_LINK, 0));
-}
-
-int
-secpolicy_vnode_stky_modify(struct ucred *cred)
-{
-
- return (EPERM);
-}
-
-int
-secpolicy_vnode_remove(struct ucred *cred)
-{
-
- return (priv_check_cred(cred, PRIV_VFS_ADMIN, 0));
-}
-
-int
-secpolicy_vnode_access(struct ucred *cred, struct vnode *vp, uint64_t owner,
- int mode)
-{
-
- if ((mode & VREAD) && priv_check_cred(cred, PRIV_VFS_READ, 0) != 0) {
- return (EACCES);
- }
- if ((mode & VWRITE) &&
- priv_check_cred(cred, PRIV_VFS_WRITE, 0) != 0) {
- return (EACCES);
- }
- if (mode & VEXEC) {
- if (vp->v_type == VDIR) {
- if (priv_check_cred(cred, PRIV_VFS_LOOKUP, 0) != 0) {
- return (EACCES);
- }
- } else {
- if (priv_check_cred(cred, PRIV_VFS_EXEC, 0) != 0) {
- return (EACCES);
- }
- }
- }
- return (0);
-}
-
-int
-secpolicy_vnode_setdac(struct ucred *cred, uid_t owner)
-{
-
- if (owner == cred->cr_uid)
- return (0);
- return (priv_check_cred(cred, PRIV_VFS_ADMIN, 0));
-}
-
-int
-secpolicy_vnode_setattr(struct ucred *cred, struct vnode *vp, struct vattr *vap,
- const struct vattr *ovap, int flags,
- int unlocked_access(void *, int, struct ucred *), void *node)
-{
- int mask = vap->va_mask;
- int error;
-
- if (mask & AT_SIZE) {
- if (vp->v_type == VDIR)
- return (EISDIR);
- error = unlocked_access(node, VWRITE, cred);
- if (error)
- return (error);
- }
- if (mask & AT_MODE) {
- /*
- * If not the owner of the file then check privilege
- * for two things: the privilege to set the mode at all
- * and, if we're setting setuid, we also need permissions
- * to add the set-uid bit, if we're not the owner.
- * In the specific case of creating a set-uid root
- * file, we need even more permissions.
- */
- error = secpolicy_vnode_setdac(cred, ovap->va_uid);
- if (error)
- return (error);
- error = secpolicy_setid_setsticky_clear(vp, vap, ovap, cred);
- if (error)
- return (error);
- } else {
- vap->va_mode = ovap->va_mode;
- }
- if (mask & (AT_UID | AT_GID)) {
- error = secpolicy_vnode_setdac(cred, ovap->va_uid);
- if (error)
- return (error);
-
- /*
- * To change the owner of a file, or change the group of a file to a
- * group of which we are not a member, the caller must have
- * privilege.
- */
- if (((mask & AT_UID) && vap->va_uid != ovap->va_uid) ||
- ((mask & AT_GID) && vap->va_gid != ovap->va_gid &&
- !groupmember(vap->va_gid, cred))) {
- error = priv_check_cred(cred, PRIV_VFS_CHOWN, 0);
- if (error)
- return (error);
- }
-
- if (((mask & AT_UID) && vap->va_uid != ovap->va_uid) ||
- ((mask & AT_GID) && vap->va_gid != ovap->va_gid)) {
- secpolicy_setid_clear(vap, cred);
- }
- }
- if (mask & (AT_ATIME | AT_MTIME)) {
- /*
- * From utimes(2):
- * If times is NULL, ... The caller must be the owner of
- * the file, have permission to write the file, or be the
- * super-user.
- * If times is non-NULL, ... The caller must be the owner of
- * the file or be the super-user.
- */
- error = secpolicy_vnode_setdac(cred, ovap->va_uid);
- if (error && (vap->va_vaflags & VA_UTIMES_NULL))
- error = unlocked_access(node, VWRITE, cred);
- if (error)
- return (error);
- }
- return (0);
-}
-
-int
-secpolicy_vnode_create_gid(struct ucred *cred)
-{
-
- return (EPERM);
-}
-
-int
-secpolicy_vnode_setids_setgids(struct ucred *cred, gid_t gid)
-{
-
- if (!groupmember(gid, cred))
- return (priv_check_cred(cred, PRIV_VFS_SETGID, 0));
- return (0);
-}
-
-int
-secpolicy_vnode_setid_retain(struct ucred *cred, boolean_t issuidroot __unused)
-{
-
- return (priv_check_cred(cred, PRIV_VFS_RETAINSUGID, 0));
-}
-
-void
-secpolicy_setid_clear(struct vattr *vap, struct ucred *cred)
-{
-
- if ((vap->va_mode & (S_ISUID | S_ISGID)) != 0) {
- if (priv_check_cred(cred, PRIV_VFS_RETAINSUGID, 0)) {
- vap->va_mask |= AT_MODE;
- vap->va_mode &= ~(S_ISUID|S_ISGID);
- }
- }
-}
-
-int
-secpolicy_setid_setsticky_clear(struct vnode *vp, struct vattr *vap,
- const struct vattr *ovap, struct ucred *cred)
-{
- int error;
-
- /*
- * Privileged processes may set the sticky bit on non-directories,
- * as well as set the setgid bit on a file with a group that the process
- * is not a member of. Both of these are allowed in jail(8).
- */
- if (vp->v_type != VDIR && (vap->va_mode & S_ISTXT)) {
- if (priv_check_cred(cred, PRIV_VFS_STICKYFILE, 0))
- return (EFTYPE);
- }
- /*
- * Check for privilege if attempting to set the
- * group-id bit.
- */
- if ((vap->va_mode & S_ISGID) != 0) {
- error = secpolicy_vnode_setids_setgids(cred, ovap->va_gid);
- if (error)
- return (error);
- }
- return (0);
-}
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