1 files changed, 0 insertions, 429 deletions
diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_policy.c b/sys/cddl/compat/opensolaris/kern/opensolaris_policy.c
deleted file mode 100644
index e49cee11a101..000000000000
--- a/sys/cddl/compat/opensolaris/kern/opensolaris_policy.c
+++ /dev/null
@@ -1,429 +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/mntent.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/jail.h>
-#include <sys/policy.h>
-#include <sys/zfs_vfsops.h>
-
-int
-secpolicy_nfs(cred_t *cr)
-{
-
-	return (priv_check_cred(cr, PRIV_NFS_DAEMON));
-}
-
-int
-secpolicy_zfs(cred_t *cr)
-{
-
-	return (priv_check_cred(cr, PRIV_VFS_MOUNT));
-}
-
-int
-secpolicy_sys_config(cred_t *cr, int checkonly __unused)
-{
-
-	return (priv_check_cred(cr, PRIV_ZFS_POOL_CONFIG));
-}
-
-int
-secpolicy_zinject(cred_t *cr)
-{
-
-	return (priv_check_cred(cr, PRIV_ZFS_INJECT));
-}
-
-int
-secpolicy_fs_unmount(cred_t *cr, struct mount *vfsp __unused)
-{
-
-	return (priv_check_cred(cr, PRIV_VFS_UNMOUNT));
-}
-
-int
-secpolicy_fs_owner(struct mount *mp, cred_t *cr)
-{
-
-	if (zfs_super_owner) {
-		if (cr->cr_uid == mp->mnt_cred->cr_uid &&
-		    cr->cr_prison == mp->mnt_cred->cr_prison) {
-			return (0);
-		}
-	}
-	return (EPERM);
-}
-
-/*
- * This check is done in kern_link(), so we could just return 0 here.
- */
-extern int hardlink_check_uid;
-int
-secpolicy_basic_link(vnode_t *vp, cred_t *cr)
-{
-
-	if (!hardlink_check_uid)
-		return (0);
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_LINK));
-}
-
-int
-secpolicy_vnode_stky_modify(cred_t *cr)
-{
-
-	return (EPERM);
-}
-
-int
-secpolicy_vnode_remove(vnode_t *vp, cred_t *cr)
-{
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_ADMIN));
-}
-
-int
-secpolicy_vnode_access(cred_t *cr, vnode_t *vp, uid_t owner, accmode_t accmode)
-{
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-
-	if ((accmode & VREAD) && priv_check_cred(cr, PRIV_VFS_READ) != 0)
-		return (EACCES);
-	if ((accmode & VWRITE) &&
-	    priv_check_cred(cr, PRIV_VFS_WRITE) != 0) {
-		return (EACCES);
-	}
-	if (accmode & VEXEC) {
-		if (vp->v_type == VDIR) {
-			if (priv_check_cred(cr, PRIV_VFS_LOOKUP) != 0)
-				return (EACCES);
-		} else {
-			if (priv_check_cred(cr, PRIV_VFS_EXEC) != 0)
-				return (EACCES);
-		}
-	}
-	return (0);
-}
-
-/*
- * Like secpolicy_vnode_access() but we get the actual wanted mode and the
- * current mode of the file, not the missing bits.
- */
-int
-secpolicy_vnode_access2(cred_t *cr, vnode_t *vp, uid_t owner,
-    accmode_t curmode, accmode_t wantmode)
-{
-	accmode_t mode;
-
-	mode = ~curmode & wantmode;
-
-	if (mode == 0)
-		return (0);
-
-	return (secpolicy_vnode_access(cr, vp, owner, mode));
-}
-
-int
-secpolicy_vnode_any_access(cred_t *cr, vnode_t *vp, uid_t owner)
-{
-	static int privs[] = {
-	    PRIV_VFS_ADMIN,
-	    PRIV_VFS_READ,
-	    PRIV_VFS_WRITE,
-	    PRIV_VFS_EXEC,
-	    PRIV_VFS_LOOKUP
-	};
-	int i;
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-
-	/* Same as secpolicy_vnode_setdac */
-	if (owner == cr->cr_uid)
-		return (0);
-
-	for (i = 0; i < sizeof (privs)/sizeof (int); i++) {
-		boolean_t allzone = B_FALSE;
-		int priv;
-
-		switch (priv = privs[i]) {
-		case PRIV_VFS_EXEC:
-			if (vp->v_type == VDIR)
-				continue;
-			break;
-		case PRIV_VFS_LOOKUP:
-			if (vp->v_type != VDIR)
-				continue;
-			break;
-		}
-		if (priv_check_cred(cr, priv) == 0)
-			return (0);
-	}
-	return (EPERM);
-}
-
-int
-secpolicy_vnode_setdac(vnode_t *vp, cred_t *cr, uid_t owner)
-{
-
-	if (owner == cr->cr_uid)
-		return (0);
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_ADMIN));
-}
-
-int
-secpolicy_vnode_setattr(cred_t *cr, vnode_t *vp, struct vattr *vap,
-    const struct vattr *ovap, int flags,
-    int unlocked_access(void *, int, cred_t *), 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, cr);
-		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(vp, cr, ovap->va_uid);
-		if (error)
-			return (error);
-		error = secpolicy_setid_setsticky_clear(vp, vap, ovap, cr);
-		if (error)
-			return (error);
-	} else {
-		vap->va_mode = ovap->va_mode;
-	}
-	if (mask & (AT_UID | AT_GID)) {
-		error = secpolicy_vnode_setdac(vp, cr, 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, cr))) {
-			if (secpolicy_fs_owner(vp->v_mount, cr) != 0) {
-				error = priv_check_cred(cr, PRIV_VFS_CHOWN);
-				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, vp, cr);
-		}
-	}
-	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(vp, cr, ovap->va_uid);
-		if (error && (vap->va_vaflags & VA_UTIMES_NULL))
-			error = unlocked_access(node, VWRITE, cr);
-		if (error)
-			return (error);
-	}
-	return (0);
-}
-
-int
-secpolicy_vnode_create_gid(cred_t *cr)
-{
-
-	return (EPERM);
-}
-
-int
-secpolicy_vnode_setids_setgids(vnode_t *vp, cred_t *cr, gid_t gid)
-{
-
-	if (groupmember(gid, cr))
-		return (0);
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_SETGID));
-}
-
-int
-secpolicy_vnode_setid_retain(vnode_t *vp, cred_t *cr,
-    boolean_t issuidroot __unused)
-{
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_RETAINSUGID));
-}
-
-void
-secpolicy_setid_clear(struct vattr *vap, vnode_t *vp, cred_t *cr)
-{
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return;
-
-	if ((vap->va_mode & (S_ISUID | S_ISGID)) != 0) {
-		if (priv_check_cred(cr, PRIV_VFS_RETAINSUGID)) {
-			vap->va_mask |= AT_MODE;
-			vap->va_mode &= ~(S_ISUID|S_ISGID);
-		}
-	}
-}
-
-int
-secpolicy_setid_setsticky_clear(vnode_t *vp, struct vattr *vap,
-    const struct vattr *ovap, cred_t *cr)
-{
-        int error;
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-
-	/*
-	 * 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(cr, PRIV_VFS_STICKYFILE))
-			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(vp, cr, ovap->va_gid);
-		if (error)
-			return (error);
-	}
-	/*
-	 * Deny setting setuid if we are not the file owner.
-	 */
-	if ((vap->va_mode & S_ISUID) && ovap->va_uid != cr->cr_uid) {
-		error = priv_check_cred(cr, PRIV_VFS_ADMIN);
-		if (error)
-			return (error);
-	}
-	return (0);
-}
-
-int
-secpolicy_fs_mount(cred_t *cr, vnode_t *mvp, struct mount *vfsp)
-{
-
-	return (priv_check_cred(cr, PRIV_VFS_MOUNT));
-}
-
-int
-secpolicy_vnode_owner(vnode_t *vp, cred_t *cr, uid_t owner)
-{
-
-	if (owner == cr->cr_uid)
-		return (0);
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-
-	/* XXX: vfs_suser()? */
-	return (priv_check_cred(cr, PRIV_VFS_MOUNT_OWNER));
-}
-
-int
-secpolicy_vnode_chown(vnode_t *vp, cred_t *cr, uid_t owner)
-{
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_CHOWN));
-}
-
-void
-secpolicy_fs_mount_clearopts(cred_t *cr, struct mount *vfsp)
-{
-
-	if (priv_check_cred(cr, PRIV_VFS_MOUNT_NONUSER) != 0) {
-		MNT_ILOCK(vfsp);
-		vfsp->vfs_flag |= VFS_NOSETUID | MNT_USER;
-		vfs_clearmntopt(vfsp, MNTOPT_SETUID);
-		vfs_setmntopt(vfsp, MNTOPT_NOSETUID, NULL, 0);
-		MNT_IUNLOCK(vfsp);
-	}
-}
-
-/*
- * Check privileges for setting xvattr attributes
- */
-int
-secpolicy_xvattr(vnode_t *vp, xvattr_t *xvap, uid_t owner, cred_t *cr,
-    vtype_t vtype)
-{
-
-	if (secpolicy_fs_owner(vp->v_mount, cr) == 0)
-		return (0);
-	return (priv_check_cred(cr, PRIV_VFS_SYSFLAGS));
-}
-
-int
-secpolicy_smb(cred_t *cr)
-{
-
-	return (priv_check_cred(cr, PRIV_NETSMB));
-}