/* * Copyright (c) 2007 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /*- * Copyright (c) 2002, 2003 Networks Associates Technology, Inc. * Copyright (c) 2005 SPARTA, Inc. * All rights reserved. * * 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. * * 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. */ #include #include #include #include #include #include #include #include #include #include #include struct label * mac_pipe_label_alloc(void) { struct label *label; label = mac_labelzone_alloc(MAC_WAITOK); if (label == NULL) return (NULL); MAC_PERFORM(pipe_label_init, label); return (label); } void mac_pipe_label_init(struct pipe *cpipe) { cpipe->pipe_label = mac_pipe_label_alloc(); } void mac_pipe_label_free(struct label *label) { MAC_PERFORM(pipe_label_destroy, label); mac_labelzone_free(label); } void mac_pipe_label_destroy(struct pipe *cpipe) { mac_pipe_label_free(cpipe->pipe_label); cpipe->pipe_label = NULL; } void mac_pipe_label_copy(struct label *src, struct label *dest) { MAC_PERFORM(pipe_label_copy, src, dest); } int mac_pipe_label_externalize(struct label *label, char *elements, char *outbuf, size_t outbuflen) { int error; error = MAC_EXTERNALIZE(pipe, label, elements, outbuf, outbuflen); return (error); } int mac_pipe_label_internalize(struct label *label, char *string) { int error; error = MAC_INTERNALIZE(pipe, label, string); return (error); } void mac_pipe_label_associate(kauth_cred_t cred, struct pipe *cpipe) { MAC_PERFORM(pipe_label_associate, cred, cpipe, cpipe->pipe_label); } int mac_pipe_check_kqfilter(kauth_cred_t cred, struct knote *kn, struct pipe *cpipe) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_kqfilter, cred, kn, cpipe, cpipe->pipe_label); return (error); } int mac_pipe_check_ioctl(kauth_cred_t cred, struct pipe *cpipe, u_int cmd) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_ioctl, cred, cpipe, cpipe->pipe_label, cmd); return (error); } int mac_pipe_check_read(kauth_cred_t cred, struct pipe *cpipe) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_read, cred, cpipe, cpipe->pipe_label); return (error); } static int mac_pipe_check_label_update(kauth_cred_t cred, struct pipe *cpipe, struct label *newlabel) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_label_update, cred, cpipe, cpipe->pipe_label, newlabel); return (error); } int mac_pipe_check_select(kauth_cred_t cred, struct pipe *cpipe, int which) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_select, cred, cpipe, cpipe->pipe_label, which); return (error); } int mac_pipe_check_stat(kauth_cred_t cred, struct pipe *cpipe) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_stat, cred, cpipe, cpipe->pipe_label); return (error); } int mac_pipe_check_write(kauth_cred_t cred, struct pipe *cpipe) { int error; if (!mac_pipe_enforce) return (0); MAC_CHECK(pipe_check_write, cred, cpipe, cpipe->pipe_label); return (error); } int mac_pipe_label_update(kauth_cred_t cred, struct pipe *cpipe, struct label *label) { int error; error = mac_pipe_check_label_update(cred, cpipe, label); if (error) return (error); MAC_PERFORM(pipe_label_update, cred, cpipe, cpipe->pipe_label, label); return (0); }