79856499bd
use '-' in probe names, matching the probe names in Solaris.[1] Add userland SDT probes definitions to sys/sdt.h. Sponsored by: The FreeBSD Foundation Discussed with: rwaston [1]
517 lines
18 KiB
C
517 lines
18 KiB
C
/*-
|
|
* Copyright (c) 1999-2002, 2006, 2009 Robert N. M. Watson
|
|
* Copyright (c) 2001 Ilmar S. Habibulin
|
|
* Copyright (c) 2001-2004 Networks Associates Technology, Inc.
|
|
* Copyright (c) 2006 nCircle Network Security, Inc.
|
|
* Copyright (c) 2006 SPARTA, Inc.
|
|
* Copyright (c) 2009 Apple, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by Robert Watson and Ilmar Habibulin for the
|
|
* TrustedBSD Project.
|
|
*
|
|
* 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.
|
|
*
|
|
* This software was developed by Robert N. M. Watson for the TrustedBSD
|
|
* Project under contract to nCircle Network Security, Inc.
|
|
*
|
|
* This software was enhanced by SPARTA ISSO under SPAWAR contract
|
|
* N66001-04-C-6019 ("SEFOS").
|
|
*
|
|
* This software was developed at the University of Cambridge Computer
|
|
* Laboratory with support from a grant from Google, Inc.
|
|
*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _SECURITY_MAC_MAC_INTERNAL_H_
|
|
#define _SECURITY_MAC_MAC_INTERNAL_H_
|
|
|
|
#ifndef _KERNEL
|
|
#error "no user-serviceable parts inside"
|
|
#endif
|
|
|
|
#include <sys/lock.h>
|
|
#include <sys/rmlock.h>
|
|
|
|
/*
|
|
* MAC Framework sysctl namespace.
|
|
*/
|
|
#ifdef SYSCTL_DECL
|
|
SYSCTL_DECL(_security_mac);
|
|
#endif /* SYSCTL_DECL */
|
|
|
|
/*
|
|
* MAC Framework SDT DTrace probe namespace, macros for declaring entry
|
|
* point probes, macros for invoking them.
|
|
*/
|
|
#ifdef SDT_PROVIDER_DECLARE
|
|
SDT_PROVIDER_DECLARE(mac); /* MAC Framework-level events. */
|
|
SDT_PROVIDER_DECLARE(mac_framework); /* Entry points to MAC. */
|
|
|
|
#define MAC_CHECK_PROBE_DEFINE4(name, arg0, arg1, arg2, arg3) \
|
|
SDT_PROBE_DEFINE5(mac_framework, kernel, name, mac_check_err, \
|
|
mac-check-ok, "int", arg0, arg1, arg2, arg3); \
|
|
SDT_PROBE_DEFINE5(mac_framework, kernel, name, mac_check_ok, \
|
|
mac-check-ok, "int", arg0, arg1, arg2, arg3);
|
|
|
|
#define MAC_CHECK_PROBE_DEFINE3(name, arg0, arg1, arg2) \
|
|
SDT_PROBE_DEFINE4(mac_framework, kernel, name, mac_check_err, \
|
|
mac-check-err, "int", arg0, arg1, arg2); \
|
|
SDT_PROBE_DEFINE4(mac_framework, kernel, name, mac_check_ok, \
|
|
mac-check-ok, "int", arg0, arg1, arg2);
|
|
|
|
#define MAC_CHECK_PROBE_DEFINE2(name, arg0, arg1) \
|
|
SDT_PROBE_DEFINE3(mac_framework, kernel, name, mac_check_err, \
|
|
mac-check-err, "int", arg0, arg1); \
|
|
SDT_PROBE_DEFINE3(mac_framework, kernel, name, mac_check_ok, \
|
|
mac-check-ok, "int", arg0, arg1);
|
|
|
|
#define MAC_CHECK_PROBE_DEFINE1(name, arg0) \
|
|
SDT_PROBE_DEFINE2(mac_framework, kernel, name, mac_check_err, \
|
|
mac-check-err, "int", arg0); \
|
|
SDT_PROBE_DEFINE2(mac_framework, kernel, name, mac_check_ok, \
|
|
mac-check-ok, "int", arg0);
|
|
|
|
#define MAC_CHECK_PROBE4(name, error, arg0, arg1, arg2, arg3) do { \
|
|
if (error) { \
|
|
SDT_PROBE(mac_framework, kernel, name, mac_check_err, \
|
|
error, arg0, arg1, arg2, arg3); \
|
|
} else { \
|
|
SDT_PROBE(mac_framework, kernel, name, mac_check_ok, \
|
|
0, arg0, arg1, arg2, arg3); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define MAC_CHECK_PROBE3(name, error, arg0, arg1, arg2) \
|
|
MAC_CHECK_PROBE4(name, error, arg0, arg1, arg2, 0)
|
|
#define MAC_CHECK_PROBE2(name, error, arg0, arg1) \
|
|
MAC_CHECK_PROBE3(name, error, arg0, arg1, 0)
|
|
#define MAC_CHECK_PROBE1(name, error, arg0) \
|
|
MAC_CHECK_PROBE2(name, error, arg0, 0)
|
|
#endif
|
|
|
|
#define MAC_GRANT_PROBE_DEFINE2(name, arg0, arg1) \
|
|
SDT_PROBE_DEFINE3(mac_framework, kernel, name, mac_grant_err, \
|
|
mac-grant-err, "int", arg0, arg1); \
|
|
SDT_PROBE_DEFINE3(mac_framework, kernel, name, mac_grant_ok, \
|
|
mac-grant-ok, "INT", arg0, arg1);
|
|
|
|
#define MAC_GRANT_PROBE2(name, error, arg0, arg1) do { \
|
|
if (error) { \
|
|
SDT_PROBE(mac_framework, kernel, name, mac_grant_err, \
|
|
error, arg0, arg1, 0, 0); \
|
|
} else { \
|
|
SDT_PROBE(mac_framework, kernel, name, mac_grant_ok, \
|
|
error, arg0, arg1, 0, 0); \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* MAC Framework global types and typedefs.
|
|
*/
|
|
LIST_HEAD(mac_policy_list_head, mac_policy_conf);
|
|
#ifdef MALLOC_DECLARE
|
|
MALLOC_DECLARE(M_MACTEMP);
|
|
#endif
|
|
|
|
/*
|
|
* MAC labels -- in-kernel storage format.
|
|
*
|
|
* In general, struct label pointers are embedded in kernel data structures
|
|
* representing objects that may be labeled (and protected). Struct label is
|
|
* opaque to both kernel services that invoke the MAC Framework and MAC
|
|
* policy modules. In particular, we do not wish to encode the layout of the
|
|
* label structure into any ABIs. Historically, the slot array contained
|
|
* unions of {long, void} but now contains uintptr_t.
|
|
*/
|
|
#define MAC_MAX_SLOTS 4
|
|
#define MAC_FLAG_INITIALIZED 0x0000001 /* Is initialized for use. */
|
|
struct label {
|
|
int l_flags;
|
|
intptr_t l_perpolicy[MAC_MAX_SLOTS];
|
|
};
|
|
|
|
|
|
/*
|
|
* Flags for mac_labeled, a bitmask of object types need across the union of
|
|
* all policies currently registered with the MAC Framework, used to key
|
|
* whether or not labels are allocated and constructors for the type are
|
|
* invoked.
|
|
*/
|
|
#define MPC_OBJECT_CRED 0x0000000000000001
|
|
#define MPC_OBJECT_PROC 0x0000000000000002
|
|
#define MPC_OBJECT_VNODE 0x0000000000000004
|
|
#define MPC_OBJECT_INPCB 0x0000000000000008
|
|
#define MPC_OBJECT_SOCKET 0x0000000000000010
|
|
#define MPC_OBJECT_DEVFS 0x0000000000000020
|
|
#define MPC_OBJECT_MBUF 0x0000000000000040
|
|
#define MPC_OBJECT_IPQ 0x0000000000000080
|
|
#define MPC_OBJECT_IFNET 0x0000000000000100
|
|
#define MPC_OBJECT_BPFDESC 0x0000000000000200
|
|
#define MPC_OBJECT_PIPE 0x0000000000000400
|
|
#define MPC_OBJECT_MOUNT 0x0000000000000800
|
|
#define MPC_OBJECT_POSIXSEM 0x0000000000001000
|
|
#define MPC_OBJECT_POSIXSHM 0x0000000000002000
|
|
#define MPC_OBJECT_SYSVMSG 0x0000000000004000
|
|
#define MPC_OBJECT_SYSVMSQ 0x0000000000008000
|
|
#define MPC_OBJECT_SYSVSEM 0x0000000000010000
|
|
#define MPC_OBJECT_SYSVSHM 0x0000000000020000
|
|
#define MPC_OBJECT_SYNCACHE 0x0000000000040000
|
|
#define MPC_OBJECT_IP6Q 0x0000000000080000
|
|
|
|
/*
|
|
* MAC Framework global variables.
|
|
*/
|
|
extern struct mac_policy_list_head mac_policy_list;
|
|
extern struct mac_policy_list_head mac_static_policy_list;
|
|
extern u_int mac_policy_count;
|
|
extern uint64_t mac_labeled;
|
|
extern struct mtx mac_ifnet_mtx;
|
|
|
|
/*
|
|
* MAC Framework infrastructure functions.
|
|
*/
|
|
int mac_error_select(int error1, int error2);
|
|
|
|
void mac_policy_slock_nosleep(struct rm_priotracker *tracker);
|
|
void mac_policy_slock_sleep(void);
|
|
void mac_policy_sunlock_nosleep(struct rm_priotracker *tracker);
|
|
void mac_policy_sunlock_sleep(void);
|
|
|
|
struct label *mac_labelzone_alloc(int flags);
|
|
void mac_labelzone_free(struct label *label);
|
|
void mac_labelzone_init(void);
|
|
|
|
void mac_init_label(struct label *label);
|
|
void mac_destroy_label(struct label *label);
|
|
int mac_check_structmac_consistent(struct mac *mac);
|
|
int mac_allocate_slot(void);
|
|
|
|
#define MAC_IFNET_LOCK(ifp) mtx_lock(&mac_ifnet_mtx)
|
|
#define MAC_IFNET_UNLOCK(ifp) mtx_unlock(&mac_ifnet_mtx)
|
|
|
|
/*
|
|
* MAC Framework per-object type functions. It's not yet clear how the
|
|
* namespaces, etc, should work for these, so for now, sort by object type.
|
|
*/
|
|
struct label *mac_cred_label_alloc(void);
|
|
void mac_cred_label_free(struct label *label);
|
|
struct label *mac_pipe_label_alloc(void);
|
|
void mac_pipe_label_free(struct label *label);
|
|
struct label *mac_socket_label_alloc(int flag);
|
|
void mac_socket_label_free(struct label *label);
|
|
struct label *mac_vnode_label_alloc(void);
|
|
void mac_vnode_label_free(struct label *label);
|
|
|
|
int mac_cred_check_relabel(struct ucred *cred, struct label *newlabel);
|
|
int mac_cred_externalize_label(struct label *label, char *elements,
|
|
char *outbuf, size_t outbuflen);
|
|
int mac_cred_internalize_label(struct label *label, char *string);
|
|
void mac_cred_relabel(struct ucred *cred, struct label *newlabel);
|
|
|
|
struct label *mac_mbuf_to_label(struct mbuf *m);
|
|
|
|
void mac_pipe_copy_label(struct label *src, struct label *dest);
|
|
int mac_pipe_externalize_label(struct label *label, char *elements,
|
|
char *outbuf, size_t outbuflen);
|
|
int mac_pipe_internalize_label(struct label *label, char *string);
|
|
|
|
int mac_socket_label_set(struct ucred *cred, struct socket *so,
|
|
struct label *label);
|
|
void mac_socket_copy_label(struct label *src, struct label *dest);
|
|
int mac_socket_externalize_label(struct label *label, char *elements,
|
|
char *outbuf, size_t outbuflen);
|
|
int mac_socket_internalize_label(struct label *label, char *string);
|
|
|
|
int mac_vnode_externalize_label(struct label *label, char *elements,
|
|
char *outbuf, size_t outbuflen);
|
|
int mac_vnode_internalize_label(struct label *label, char *string);
|
|
void mac_vnode_check_mmap_downgrade(struct ucred *cred, struct vnode *vp,
|
|
int *prot);
|
|
int vn_setlabel(struct vnode *vp, struct label *intlabel,
|
|
struct ucred *cred);
|
|
|
|
/*
|
|
* MAC Framework composition macros invoke all registered MAC policies for a
|
|
* specific entry point. They come in two forms: one which permits policies
|
|
* to sleep/block, and another that does not.
|
|
*
|
|
* MAC_POLICY_CHECK performs the designated check by walking the policy
|
|
* module list and checking with each as to how it feels about the request.
|
|
* Note that it returns its value via 'error' in the scope of the caller.
|
|
*/
|
|
#define MAC_POLICY_CHECK(check, args...) do { \
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
error = 0; \
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## check != NULL) \
|
|
error = mac_error_select( \
|
|
mpc->mpc_ops->mpo_ ## check (args), \
|
|
error); \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
mac_policy_slock_sleep(); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## check != NULL) \
|
|
error = mac_error_select( \
|
|
mpc->mpc_ops->mpo_ ## check (args), \
|
|
error); \
|
|
} \
|
|
mac_policy_sunlock_sleep(); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define MAC_POLICY_CHECK_NOSLEEP(check, args...) do { \
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
error = 0; \
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## check != NULL) \
|
|
error = mac_error_select( \
|
|
mpc->mpc_ops->mpo_ ## check (args), \
|
|
error); \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
struct rm_priotracker tracker; \
|
|
\
|
|
mac_policy_slock_nosleep(&tracker); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## check != NULL) \
|
|
error = mac_error_select( \
|
|
mpc->mpc_ops->mpo_ ## check (args), \
|
|
error); \
|
|
} \
|
|
mac_policy_sunlock_nosleep(&tracker); \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* MAC_POLICY_GRANT performs the designated check by walking the policy
|
|
* module list and checking with each as to how it feels about the request.
|
|
* Unlike MAC_POLICY_CHECK, it grants if any policies return '0', and
|
|
* otherwise returns EPERM. Note that it returns its value via 'error' in
|
|
* the scope of the caller.
|
|
*/
|
|
#define MAC_POLICY_GRANT_NOSLEEP(check, args...) do { \
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
error = EPERM; \
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## check != NULL) { \
|
|
if (mpc->mpc_ops->mpo_ ## check(args) == 0) \
|
|
error = 0; \
|
|
} \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
struct rm_priotracker tracker; \
|
|
\
|
|
mac_policy_slock_nosleep(&tracker); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## check != NULL) { \
|
|
if (mpc->mpc_ops->mpo_ ## check (args) \
|
|
== 0) \
|
|
error = 0; \
|
|
} \
|
|
} \
|
|
mac_policy_sunlock_nosleep(&tracker); \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* MAC_POLICY_BOOLEAN performs the designated boolean composition by walking
|
|
* the module list, invoking each instance of the operation, and combining
|
|
* the results using the passed C operator. Note that it returns its value
|
|
* via 'result' in the scope of the caller, which should be initialized by
|
|
* the caller in a meaningful way to get a meaningful result.
|
|
*/
|
|
#define MAC_POLICY_BOOLEAN(operation, composition, args...) do { \
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
result = result composition \
|
|
mpc->mpc_ops->mpo_ ## operation (args); \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
mac_policy_slock_sleep(); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
result = result composition \
|
|
mpc->mpc_ops->mpo_ ## operation \
|
|
(args); \
|
|
} \
|
|
mac_policy_sunlock_sleep(); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define MAC_POLICY_BOOLEAN_NOSLEEP(operation, composition, args...) do {\
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
result = result composition \
|
|
mpc->mpc_ops->mpo_ ## operation (args); \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
struct rm_priotracker tracker; \
|
|
\
|
|
mac_policy_slock_nosleep(&tracker); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
result = result composition \
|
|
mpc->mpc_ops->mpo_ ## operation \
|
|
(args); \
|
|
} \
|
|
mac_policy_sunlock_nosleep(&tracker); \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* MAC_POLICY_EXTERNALIZE queries each policy to see if it can generate an
|
|
* externalized version of a label element by name. Policies declare whether
|
|
* they have matched a particular element name, parsed from the string by
|
|
* MAC_POLICY_EXTERNALIZE, and an error is returned if any element is matched
|
|
* by no policy.
|
|
*/
|
|
#define MAC_POLICY_EXTERNALIZE(type, label, elementlist, outbuf, \
|
|
outbuflen) do { \
|
|
int claimed, first, ignorenotfound, savedlen; \
|
|
char *element_name, *element_temp; \
|
|
struct sbuf sb; \
|
|
\
|
|
error = 0; \
|
|
first = 1; \
|
|
sbuf_new(&sb, outbuf, outbuflen, SBUF_FIXEDLEN); \
|
|
element_temp = elementlist; \
|
|
while ((element_name = strsep(&element_temp, ",")) != NULL) { \
|
|
if (element_name[0] == '?') { \
|
|
element_name++; \
|
|
ignorenotfound = 1; \
|
|
} else \
|
|
ignorenotfound = 0; \
|
|
savedlen = sbuf_len(&sb); \
|
|
if (first) \
|
|
error = sbuf_printf(&sb, "%s/", element_name); \
|
|
else \
|
|
error = sbuf_printf(&sb, ",%s/", element_name); \
|
|
if (error == -1) { \
|
|
error = EINVAL; /* XXX: E2BIG? */ \
|
|
break; \
|
|
} \
|
|
claimed = 0; \
|
|
MAC_POLICY_CHECK(type ## _externalize_label, label, \
|
|
element_name, &sb, &claimed); \
|
|
if (error) \
|
|
break; \
|
|
if (claimed == 0 && ignorenotfound) { \
|
|
/* Revert last label name. */ \
|
|
sbuf_setpos(&sb, savedlen); \
|
|
} else if (claimed != 1) { \
|
|
error = EINVAL; /* XXX: ENOLABEL? */ \
|
|
break; \
|
|
} else { \
|
|
first = 0; \
|
|
} \
|
|
} \
|
|
sbuf_finish(&sb); \
|
|
} while (0)
|
|
|
|
/*
|
|
* MAC_POLICY_INTERNALIZE presents parsed element names and data to each
|
|
* policy to see if any is willing to claim it and internalize the label
|
|
* data. If no policies match, an error is returned.
|
|
*/
|
|
#define MAC_POLICY_INTERNALIZE(type, label, instring) do { \
|
|
char *element, *element_name, *element_data; \
|
|
int claimed; \
|
|
\
|
|
error = 0; \
|
|
element = instring; \
|
|
while ((element_name = strsep(&element, ",")) != NULL) { \
|
|
element_data = element_name; \
|
|
element_name = strsep(&element_data, "/"); \
|
|
if (element_data == NULL) { \
|
|
error = EINVAL; \
|
|
break; \
|
|
} \
|
|
claimed = 0; \
|
|
MAC_POLICY_CHECK(type ## _internalize_label, label, \
|
|
element_name, element_data, &claimed); \
|
|
if (error) \
|
|
break; \
|
|
if (claimed != 1) { \
|
|
/* XXXMAC: Another error here? */ \
|
|
error = EINVAL; \
|
|
break; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* MAC_POLICY_PERFORM performs the designated operation by walking the policy
|
|
* module list and invoking that operation for each policy.
|
|
*/
|
|
#define MAC_POLICY_PERFORM(operation, args...) do { \
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
mpc->mpc_ops->mpo_ ## operation (args); \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
mac_policy_slock_sleep(); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
mpc->mpc_ops->mpo_ ## operation (args); \
|
|
} \
|
|
mac_policy_sunlock_sleep(); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define MAC_POLICY_PERFORM_NOSLEEP(operation, args...) do { \
|
|
struct mac_policy_conf *mpc; \
|
|
\
|
|
LIST_FOREACH(mpc, &mac_static_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
mpc->mpc_ops->mpo_ ## operation (args); \
|
|
} \
|
|
if (!LIST_EMPTY(&mac_policy_list)) { \
|
|
struct rm_priotracker tracker; \
|
|
\
|
|
mac_policy_slock_nosleep(&tracker); \
|
|
LIST_FOREACH(mpc, &mac_policy_list, mpc_list) { \
|
|
if (mpc->mpc_ops->mpo_ ## operation != NULL) \
|
|
mpc->mpc_ops->mpo_ ## operation (args); \
|
|
} \
|
|
mac_policy_sunlock_nosleep(&tracker); \
|
|
} \
|
|
} while (0)
|
|
|
|
#endif /* !_SECURITY_MAC_MAC_INTERNAL_H_ */
|