| mac_lomac.c (126097) | mac_lomac.c (126121) |
|---|---|
| 1/*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2003 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed by Robert Watson for the TrustedBSD Project. 7 * 8 * This software was developed for the FreeBSD Project in part by NAI Labs, --- 17 unchanged lines hidden (view full) --- 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * | 1/*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2003 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed by Robert Watson for the TrustedBSD Project. 7 * 8 * This software was developed for the FreeBSD Project in part by NAI Labs, --- 17 unchanged lines hidden (view full) --- 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * |
| 34 * $FreeBSD: head/sys/security/mac_lomac/mac_lomac.c 126097 2004-02-22 00:33:12Z rwatson $ | 34 * $FreeBSD: head/sys/security/mac_lomac/mac_lomac.c 126121 2004-02-22 12:31:44Z pjd $ |
| 35 */ 36 37/* 38 * Developed by the TrustedBSD Project. 39 * Low-watermark floating label mandatory integrity policy. 40 */ 41 42#include <sys/types.h> --- 2015 unchanged lines hidden (view full) --- 2058 2059 if (!mac_lomac_high_single(obj)) 2060 return (EACCES); 2061 2062 return (0); 2063} 2064 2065static int | 35 */ 36 37/* 38 * Developed by the TrustedBSD Project. 39 * Low-watermark floating label mandatory integrity policy. 40 */ 41 42#include <sys/types.h> --- 2015 unchanged lines hidden (view full) --- 2058 2059 if (!mac_lomac_high_single(obj)) 2060 return (EACCES); 2061 2062 return (0); 2063} 2064 2065static int |
| 2066mac_lomac_check_system_sysctl(struct ucred *cred, int *name, u_int namelen, 2067 void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen) | 2066mac_lomac_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 2067 void *arg1, int arg2, struct sysctl_req *req) |
| 2068{ 2069 struct mac_lomac *subj; 2070 2071 if (!mac_lomac_enabled) 2072 return (0); 2073 2074 subj = SLOT(cred->cr_label); 2075 2076 /* | 2068{ 2069 struct mac_lomac *subj; 2070 2071 if (!mac_lomac_enabled) 2072 return (0); 2073 2074 subj = SLOT(cred->cr_label); 2075 2076 /* |
| 2077 * In general, treat sysctl variables as lomac/high, but also 2078 * require privilege to change them, since they are a 2079 * communications channel between grades. Exempt MIB 2080 * queries from this due to undocmented sysctl magic. 2081 * XXXMAC: This probably requires some more review. | 2077 * Treat sysctl variables without CTLFLAG_ANYBODY flag as 2078 * lomac/high, but also require privilege to change them. |
| 2082 */ | 2079 */ |
| 2083 if (new != NULL) { 2084 if (namelen > 0 && name[0] == 0) 2085 return (0); 2086 | 2080 if (req->newptr != NULL && (oidp->oid_kind & CTLFLAG_ANYBODY) == 0) { |
| 2087#ifdef notdef 2088 if (!mac_lomac_subject_dominate_high(subj)) 2089 return (EACCES); 2090#endif 2091 2092 if (mac_lomac_subject_privileged(subj)) 2093 return (EPERM); 2094 } --- 664 unchanged lines hidden --- | 2081#ifdef notdef 2082 if (!mac_lomac_subject_dominate_high(subj)) 2083 return (EACCES); 2084#endif 2085 2086 if (mac_lomac_subject_privileged(subj)) 2087 return (EPERM); 2088 } --- 664 unchanged lines hidden --- |