diff options
author | jb <jb@FreeBSD.org> | 2008-03-28 00:08:47 +0000 |
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committer | jb <jb@FreeBSD.org> | 2008-03-28 00:08:47 +0000 |
commit | 291b24b7551a7f0ab80c6cc152155e317f53be0a (patch) | |
tree | 9edd0223cc16fd15bec321b8d36de00f35487d3b /sys/compat/opensolaris/kern/opensolaris_policy.c | |
parent | 5794ada908cc2e195ebcb0217b7164e3bd207e1b (diff) | |
download | FreeBSD-src-291b24b7551a7f0ab80c6cc152155e317f53be0a.zip FreeBSD-src-291b24b7551a7f0ab80c6cc152155e317f53be0a.tar.gz |
Remove files that have been repo copied to their new location
in cddl-specific parts of the source tree.
Diffstat (limited to 'sys/compat/opensolaris/kern/opensolaris_policy.c')
-rw-r--r-- | sys/compat/opensolaris/kern/opensolaris_policy.c | 261 |
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); -} |