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* Remove AppleTalk support.glebius2014-03-141-13/+0
| | | | | | | | | | AppleTalk was a network transport protocol for Apple Macintosh devices in 80s and then 90s. Starting with Mac OS X in 2000 the AppleTalk was a legacy protocol and primary networking protocol is TCP/IP. The last Mac OS X release to support AppleTalk happened in 2009. The same year routing equipment vendors (namely Cisco) end their support. Thus, AppleTalk won't be supported in FreeBSD 11.0-RELEASE.
* Implement read(2)/write(2) and neccessary lseek(2) for posix shmfd.kib2013-08-211-0/+32
| | | | | | | | | | | | | Add MAC framework entries for posix shm read and write. Do not allow implicit extension of the underlying memory segment past the limit set by ftruncate(2) by either of the syscalls. Read and write returns short i/o, lseek(2) fails with EINVAL when resulting offset does not fit into the limit. Discussed with: alc Tested by: pho Sponsored by: The FreeBSD Foundation
* Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs.ed2011-11-071-2/+2
| | | | | | The SYSCTL_NODE macro defines a list that stores all child-elements of that node. If there's no SYSCTL_DECL macro anywhere else, there's no reason why it shouldn't be static.
* Correct several issues in the integration of POSIX shared memory objectsrwatson2011-09-021-2/+12
| | | | | | | | | | | | | | | | | | | | | | and the new setmode and setowner fileops in FreeBSD 9.0: - Add new MAC Framework entry point mac_posixshm_check_create() to allow MAC policies to authorise shared memory use. Provide a stub policy and test policy templates. - Add missing Biba and MLS implementations of mac_posixshm_check_setmode() and mac_posixshm_check_setowner(). - Add 'accmode' argument to mac_posixshm_check_open() -- unlike the mac_posixsem_check_open() entry point it was modeled on, the access mode is required as shared memory access can be read-only as well as writable; this isn't true of POSIX semaphores. - Implement full range of POSIX shared memory entry points for Biba and MLS. Sponsored by: Google Inc. Obtained from: TrustedBSD Project Approved by: re (kib)
* Add the fo_chown and fo_chmod methods to struct fileops and use themkib2011-08-161-0/+52
| | | | | | | | | | to implement fchown(2) and fchmod(2) support for several file types that previously lacked it. Add MAC entries for chown/chmod done on posix shared memory and (old) in-kernel posix semaphores. Based on the submission by: glebius Reviewed by: rwatson Approved by: re (bz)
* Continue work to optimize performance of "options MAC" when no MAC policyrwatson2009-06-031-4/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | modules are loaded by avoiding mbuf label lookups when policies aren't loaded, pushing further socket locking into MAC policy modules, and avoiding locking MAC ifnet locks when no policies are loaded: - Check mac_policies_count before looking for mbuf MAC label m_tags in MAC Framework entry points. We will still pay label lookup costs if MAC policies are present but don't require labels (typically a single mbuf header field read, but perhaps further indirection if IPSEC or other m_tag consumers are in use). - Further push socket locking for socket-related access control checks and events into MAC policies from the MAC Framework, so that sockets are only locked if a policy specifically requires a lock to protect a label. This resolves lock order issues during sonewconn() and also in local domain socket cross-connect where multiple socket locks could not be held at once for the purposes of propagatig MAC labels across multiple sockets. Eliminate mac_policy_count check in some entry points where it no longer avoids locking. - Add mac_policy_count checking in some entry points relating to network interfaces that otherwise lock a global MAC ifnet lock used to protect ifnet labels. Obtained from: TrustedBSD Project
* Remove 'uio' argument from MAC Framework and MAC policy entry points forrwatson2009-03-081-4/+2
| | | | | | | | | extended attribute get/set; in the case of get an uninitialized user buffer was passed before the EA was retrieved, making it of relatively little use; the latter was simply unused by any policies. Obtained from: TrustedBSD Project Sponsored by: Google, Inc.
* Improve the consistency of MAC Framework and MAC policy entry pointrwatson2009-03-081-149/+152
| | | | | | | | | | | | | | | | | | | | | | | naming by renaming certain "proc" entry points to "cred" entry points, reflecting their manipulation of credentials. For some entry points, the process was passed into the framework but not into policies; in these cases, stop passing in the process since we don't need it. mac_proc_check_setaudit -> mac_cred_check_setaudit mac_proc_check_setaudit_addr -> mac_cred_check_setaudit_addr mac_proc_check_setauid -> mac_cred_check_setauid mac_proc_check_setegid -> mac_cred_check_setegid mac_proc_check_seteuid -> mac_cred_check_seteuid mac_proc_check_setgid -> mac_cred_check_setgid mac_proc_check_setgroups -> mac_cred_ceck_setgroups mac_proc_check_setregid -> mac_cred_check_setregid mac_proc_check_setresgid -> mac_cred_check_setresgid mac_proc_check_setresuid -> mac_cred_check_setresuid mac_proc_check_setreuid -> mac_cred_check_setreuid mac_proc_check_setuid -> mac_cred_check_setuid Obtained from: TrustedBSD Project Sponsored by: Google, Inc.
* Rather than having MAC policies explicitly declare what object typesrwatson2009-01-101-22/+1
| | | | | | | | | | | | | | they label, derive that information implicitly from the set of label initializers in their policy operations set. This avoids a possible class of programmer errors, while retaining the structure that allows us to avoid allocating labels for objects that don't need them. As before, we regenerate a global mask of labeled objects each time a policy is loaded or unloaded, stored in mac_labeled. Discussed with: csjp Suggested by: Jacques Vidrine <nectar at apple.com> Obtained from: TrustedBSD Project Sponsored by: Apple, Inc.
* Use MPC_OBJECT_IP6Q to indicate labeling of struct ip6q rather thanrwatson2009-01-101-0/+1
| | | | | | | MPC_OBJECT_IPQ; it was already defined, just not used. Obtained from: TrustedBSD Project Sponsored by: Apple, Inc.
* Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessarytrasz2008-10-281-2/+2
| | | | | | | to add more V* constants, and the variables changed by this patch were often being assigned to mode_t variables, which is 16 bit. Approved by: rwatson (mentor)
* Rename three MAC entry points from _proc_ to _cred_ to reflect the factrwatson2008-10-281-20/+20
| | | | | | | that they operate directly on credentials: mac_proc_create_swapper(), mac_proc_create_init(), and mac_proc_associate_nfsd(). Update policies. Obtained from: TrustedBSD Project
* Implement MAC policy support for IPv6 fragment reassembly queues,rwatson2008-10-261-1/+79
| | | | | | modeled on IPv4 fragment reassembly queue support. Obtained from: TrustedBSD Project
* Add a mac_inpcb_check_visible implementation to all MAC policiesbz2008-10-171-0/+14
| | | | | | | that handle mac_socket_check_visible. Reviewed by: rwatson MFC after: 3 months (set timer; decide then)
* Introduce two related changes to the TrustedBSD MAC Framework:rwatson2008-08-231-1/+22
| | | | | | | | | | | | | | | | | | | | | | | | | (1) Abstract interpreter vnode labeling in execve(2) and mac_execve(2) so that the general exec code isn't aware of the details of allocating, copying, and freeing labels, rather, simply passes in a void pointer to start and stop functions that will be used by the framework. This change will be MFC'd. (2) Introduce a new flags field to the MAC_POLICY_SET(9) interface allowing policies to declare which types of objects require label allocation, initialization, and destruction, and define a set of flags covering various supported object types (MPC_OBJECT_PROC, MPC_OBJECT_VNODE, MPC_OBJECT_INPCB, ...). This change reduces the overhead of compiling the MAC Framework into the kernel if policies aren't loaded, or if policies require labels on only a small number or even no object types. Each time a policy is loaded or unloaded, we recalculate a mask of labeled object types across all policies present in the system. Eliminate MAC_ALWAYS_LABEL_MBUF option as it is no longer required. MFC after: 1 week ((1) only) Reviewed by: csjp Obtained from: TrustedBSD Project Sponsored by: Apple, Inc.
* Rework the lifetime management of the kernel implementation of POSIXjhb2008-06-271-9/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | semaphores. Specifically, semaphores are now represented as new file descriptor type that is set to close on exec. This removes the need for all of the manual process reference counting (and fork, exec, and exit event handlers) as the normal file descriptor operations handle all of that for us nicely. It is also suggested as one possible implementation in the spec and at least one other OS (OS X) uses this approach. Some bugs that were fixed as a result include: - References to a named semaphore whose name is removed still work after the sem_unlink() operation. Prior to this patch, if a semaphore's name was removed, valid handles from sem_open() would get EINVAL errors from sem_getvalue(), sem_post(), etc. This fixes that. - Unnamed semaphores created with sem_init() were not cleaned up when a process exited or exec'd. They were only cleaned up if the process did an explicit sem_destroy(). This could result in a leak of semaphore objects that could never be cleaned up. - On the other hand, if another process guessed the id (kernel pointer to 'struct ksem' of an unnamed semaphore (created via sem_init)) and had write access to the semaphore based on UID/GID checks, then that other process could manipulate the semaphore via sem_destroy(), sem_post(), sem_wait(), etc. - As part of the permission check (UID/GID), the umask of the proces creating the semaphore was not honored. Thus if your umask denied group read/write access but the explicit mode in the sem_init() call allowed it, the semaphore would be readable/writable by other users in the same group, for example. This includes access via the previous bug. - If the module refused to unload because there were active semaphores, then it might have deregistered one or more of the semaphore system calls before it noticed that there was a problem. I'm not sure if this actually happened as the order that modules are discovered by the kernel linker depends on how the actual .ko file is linked. One can make the order deterministic by using a single module with a mod_event handler that explicitly registers syscalls (and deregisters during unload after any checks). This also fixes a race where even if the sem_module unloaded first it would have destroyed locks that the syscalls might be trying to access if they are still executing when they are unloaded. XXX: By the way, deregistering system calls doesn't do any blocking to drain any threads from the calls. - Some minor fixes to errno values on error. For example, sem_init() isn't documented to return ENFILE or EMFILE if we run out of semaphores the way that sem_open() can. Instead, it should return ENOSPC in that case. Other changes: - Kernel semaphores now use a hash table to manage the namespace of named semaphores nearly in a similar fashion to the POSIX shared memory object file descriptors. Kernel semaphores can now also have names longer than 14 chars (up to MAXPATHLEN) and can include subdirectories in their pathname. - The UID/GID permission checks for access to a named semaphore are now done via vaccess() rather than a home-rolled set of checks. - Now that kernel semaphores have an associated file object, the various MAC checks for POSIX semaphores accept both a file credential and an active credential. There is also a new posixsem_check_stat() since it is possible to fstat() a semaphore file descriptor. - A small set of regression tests (using the ksem API directly) is present in src/tools/regression/posixsem. Reported by: kris (1) Tested by: kris Reviewed by: rwatson (lightly) MFC after: 1 month
* Add missing counter increments for posix shm checks.jhb2008-06-261-0/+5
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* Remove the posixsem_check_destroy() MAC check. It is semantically identicaljhb2008-06-231-14/+0
| | | | | | | to doing a MAC check for close(), but no other types of close() (including close(2) and ksem_close(2)) have MAC checks. Discussed with: rwatson
* The TrustedBSD MAC Framework named struct ipq instances 'ipq', which is therwatson2008-06-131-9/+9
| | | | | | | | | | | same as the global variable defined in ip_input.c. Instead, adopt the name 'q' as found in about 1/2 of uses in ip_input.c, preventing a collision on the name. This is non-harmful, but means that search and replace on the global works less well (as in the virtualization work), as well as indexing tools. MFC after: 1 week Reported by: julian
* Add a new file descriptor type for IPC shared memory objects and use it tojhb2008-01-081-0/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | implement shm_open(2) and shm_unlink(2) in the kernel: - Each shared memory file descriptor is associated with a swap-backed vm object which provides the backing store. Each descriptor starts off with a size of zero, but the size can be altered via ftruncate(2). The shared memory file descriptors also support fstat(2). read(2), write(2), ioctl(2), select(2), poll(2), and kevent(2) are not supported on shared memory file descriptors. - shm_open(2) and shm_unlink(2) are now implemented as system calls that manage shared memory file descriptors. The virtual namespace that maps pathnames to shared memory file descriptors is implemented as a hash table where the hash key is generated via the 32-bit Fowler/Noll/Vo hash of the pathname. - As an extension, the constant 'SHM_ANON' may be specified in place of the path argument to shm_open(2). In this case, an unnamed shared memory file descriptor will be created similar to the IPC_PRIVATE key for shmget(2). Note that the shared memory object can still be shared among processes by sharing the file descriptor via fork(2) or sendmsg(2), but it is unnamed. This effectively serves to implement the getmemfd() idea bandied about the lists several times over the years. - The backing store for shared memory file descriptors are garbage collected when they are not referenced by any open file descriptors or the shm_open(2) virtual namespace. Submitted by: dillon, peter (previous versions) Submitted by: rwatson (I based this on his version) Reviewed by: alc (suggested converting getmemfd() to shm_open())
* Add a new 'why' argument to kdb_enter(), and a set of constants to userwatson2007-12-251-1/+1
| | | | | | | | | for that argument. This will allow DDB to detect the broad category of reason why the debugger has been entered, which it can use for the purposes of deciding which DDB script to run. Assign approximate why values to all current consumers of the kdb_enter() interface.
* Implement per-object type consistency checks for labels passed torwatson2007-10-301-20/+65
| | | | | | 'internalize' operations rather than using a single common check. Obtained from: TrustedBSD Project
* Canonicalize names of local variables.rwatson2007-10-291-66/+66
| | | | | | Add some missing label checks in mac_test. Obtained from: TrustedBSD Project
* Resort TrustedBSD MAC Framework policy entry point implementations andrwatson2007-10-291-1243/+1256
| | | | | | | declarations to match the object, operation sort order in the framework itself. Obtained from: TrustedBSD Project
* Add missing mac_test labeling and sleep checks for the syncache.rwatson2007-10-281-0/+48
| | | | | Discussed with: csjp Obtained from: TrustedBSD Project
* Garbage collect mac_mbuf_create_multicast_encap TrustedBSD MAC Frameworkrwatson2007-10-281-14/+0
| | | | | | | | entry point, which is no longer required now that we don't support old-style multicast tunnels. This removes the last mbuf object class entry point that isn't init/copy/destroy. Obtained from: TrustedBSD Project
* Continue to move from generic network entry points in the TrustedBSD MACrwatson2007-10-281-15/+14
| | | | | | | | | | | | | | Framework by moving from mac_mbuf_create_netlayer() to more specific entry points for specific network services: - mac_netinet_firewall_reply() to be used when replying to in-bound TCP segments in pf and ipfw (etc). - Rename mac_netinet_icmp_reply() to mac_netinet_icmp_replyinplace() and add mac_netinet_icmp_reply(), reflecting that in some cases we overwrite a label in place, but in others we apply the label to a new mbuf. Obtained from: TrustedBSD Project
* Move towards more explicit support for various network protocol stacksrwatson2007-10-281-12/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | in the TrustedBSD MAC Framework: - Add mac_atalk.c and add explicit entry point mac_netatalk_aarp_send() for AARP packet labeling, rather than using a generic link layer entry point. - Add mac_inet6.c and add explicit entry point mac_netinet6_nd6_send() for ND6 packet labeling, rather than using a generic link layer entry point. - Add expliict entry point mac_netinet_arp_send() for ARP packet labeling, and mac_netinet_igmp_send() for IGMP packet labeling, rather than using a generic link layer entry point. - Remove previous genering link layer entry point, mac_mbuf_create_linklayer() as it is no longer used. - Add implementations of new entry points to various policies, largely by replicating the existing link layer entry point for them; remove old link layer entry point implementation. - Make MAC_IFNET_LOCK(), MAC_IFNET_UNLOCK(), and mac_ifnet_mtx global to the MAC Framework rather than static to mac_net.c as it is now needed outside of mac_net.c. Obtained from: TrustedBSD Project
* Perform explicit label type checks for externalize entry points, rather thanrwatson2007-10-281-10/+70
| | | | | | a generic initialized test. Obtained from: TrustedBSD Project
* Give each posixsem MAC Framework entry point its own counter and test caserwatson2007-10-271-9/+74
| | | | | | | in the mac_test policy, rather than sharing a single function for all of the access control checks. Obtained from: TrustedBSD Project
* Rename 'mac_mbuf_create_from_firewall' to 'mac_netinet_firewall_send' asrwatson2007-10-261-4/+4
| | | | | | | | | | we move towards netinet as a pseudo-object for the MAC Framework. Rename 'mac_create_mbuf_linklayer' to 'mac_mbuf_create_linklayer' to reflect general object-first ordering preference. Sponsored by: SPARTA (original patches against Mac OS X) Obtained from: TrustedBSD Project, Apple Computer
* Consistently name functions for mac_<policy> as <policy>_whatever ratherrwatson2007-10-251-414/+414
| | | | | | | | | | | than mac_<policy>_whatever, as this shortens the names and makes the code a bit easier to read. When dealing with label structures, name variables 'mb', 'ml', 'mm rather than the longer 'mac_biba', 'mac_lomac', and 'mac_mls', likewise making the code a little easier to read. Obtained from: TrustedBSD Project
* Further MAC Framework cleanup: normalize some local variable names andrwatson2007-10-251-18/+18
| | | | | | clean up some comments. Obtained from: TrustedBSD Project
* Merge first in a series of TrustedBSD MAC Framework KPI changesrwatson2007-10-241-797/+802
| | | | | | | | | | | | | | | | | | | | | | | from Mac OS X Leopard--rationalize naming for entry points to the following general forms: mac_<object>_<method/action> mac_<object>_check_<method/action> The previous naming scheme was inconsistent and mostly reversed from the new scheme. Also, make object types more consistent and remove spaces from object types that contain multiple parts ("posix_sem" -> "posixsem") to make mechanical parsing easier. Introduce a new "netinet" object type for certain IPv4/IPv6-related methods. Also simplify, slightly, some entry point names. All MAC policy modules will need to be recompiled, and modules not updates as part of this commit will need to be modified to conform to the new KPI. Sponsored by: SPARTA (original patches against Mac OS X) Obtained from: TrustedBSD Project, Apple Computer
* Canonicalize naming of local variables for struct ksem and associatedrwatson2007-10-211-6/+6
| | | | | | | labels to 'ks' and 'kslabel' to reflect the convention in posix_sem.c. MFC after: 3 days Obtained from: TrustedBSD Project
* Rename mac_check_vnode_delete() MAC Framework and MAC Policy entryrwatson2007-09-101-16/+16
| | | | | | | | | | | | | | point to mac_check_vnode_unlink(), reflecting UNIX naming conventions. This is the first of several commits to synchronize the MAC Framework in FreeBSD 7.0 with the MAC Framework as it will appear in Mac OS X Leopard. Reveiwed by: csjp, Samy Bahra <sbahra at gwu dot edu> Submitted by: Jacques Vidrine <nectar at apple dot com> Obtained from: Apple Computer, Inc. Sponsored by: SPARTA, SPAWAR Approved by: re (bmah)
* Add a new MAC framework and policy entry point,rwatson2007-06-261-0/+13
| | | | | | | | | mpo_check_proc_setaudit_addr to be used when controlling use of setaudit_addr(), rather than mpo_check_proc_setaudit(), which takes a different argument type. Reviewed by: csjp Approved by: re (kensmith)
* Rename mac*devfsdirent*() to mac*devfs*() to synchronize with SEDarwin,rwatson2007-04-231-14/+13
| | | | | | | | where similar data structures exist to support devfs and the MAC Framework, but are named differently. Obtained from: TrustedBSD Project Sponsored by: SPARTA, Inc.
* Apply variable name normalization to MAC policies: adopt global conventionsrwatson2007-04-231-151/+153
| | | | | | for the naming of variables associated with specific data structures. Obtained from: TrustedBSD Project
* In the MAC Framework implementation, file systems have two per-mountpointrwatson2007-04-221-30/+9
| | | | | | | | | | | | | labels: the mount label (label of the mountpoint) and the fs label (label of the file system). In practice, policies appear to only ever use one, and the distinction is not helpful. Combine mnt_mntlabel and mnt_fslabel into a single mnt_label, and eliminate extra machinery required to maintain the additional label. Update policies to reflect removal of extra entry points and label. Obtained from: TrustedBSD Project Sponsored by: SPARTA, Inc.
* Remove MAC Framework access control check entry points made redundant withrwatson2007-04-221-36/+0
| | | | | | | | | | | | | | | | | | the introduction of priv(9) and MAC Framework entry points for privilege checking/granting. These entry points exactly aligned with privileges and provided no additional security context: - mac_check_sysarch_ioperm() - mac_check_kld_unload() - mac_check_settime() - mac_check_system_nfsd() Add mpo_priv_check() implementations to Biba and LOMAC policies, which, for each privilege, determine if they can be granted to processes considered unprivileged by those two policies. These mostly, but not entirely, align with the set of privileges granted in jails. Obtained from: TrustedBSD Project
* Further MAC test policy cleanup and enhancement:rwatson2007-04-221-141/+478
| | | | | | | | | | | | | | | | | | | | | - Redistribute counter declarations to where they are used, rather than at the file header, so it's more clear where we do (and don't) have counters. - Add many more counters, one per policy entry point, so that many individual access controls and object life cycle events are tracked. - Perform counter increments for label destruction explicitly in entry point functions rather than in LABEL_DESTROY(). - Use LABEL_INIT() instead of SLOT_SET() directly in label init functions to be symmetric with destruction. - Align counter names more carefully with entry point names. - More constant and variable name normalization. Obtained from: TrustedBSD Project
* Perform overdue clean up mac_test policy:rwatson2007-04-221-719/+476
| | | | | | | | | | | | | | | | | | | | | | | | | - Add a more detailed comment describing the mac_test policy. - Add COUNTER_DECL() and COUNTER_INC() macros to declare and manage various test counters, reducing the verbosity of the test policy quite a bit. - Add LABEL_CHECK() macro to abbreviate normal validation of labels. Unlike the previous check macros, this checks for a NULL label and doesn't test NULL labels. This means that optionally passed labels will now be handled automatically, although in the case of optional credentials, NULL-checks are still required. - Add LABEL_DESTROY() macro to abbreviate the handling of label validation and tear-down. - Add LABEL_NOTFREE() macro to abbreviate check for non-free labels. - Normalize the names of counters, magic values. - Remove unused policy "enabled" flag. Obtained from: TrustedBSD Project
* Allow MAC policy modules to control access to audit configuration systemrwatson2007-04-211-3/+60
| | | | | | | | | | | | | | | | calls. Add MAC Framework entry points and MAC policy entry points for audit(), auditctl(), auditon(), setaudit(), aud setauid(). MAC Framework entry points are only added for audit system calls where additional argument context may be useful for policy decision-making; other audit system calls without arguments may be controlled via the priv(9) entry points. Update various policy modules to implement audit-related checks, and in some cases, other missing system-related checks. Obtained from: TrustedBSD Project Sponsored by: SPARTA, Inc.
* More unnecessary include reduction.rwatson2007-02-231-12/+4
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* Remove empty entry point functions (init, destroy, syscall) fromrwatson2007-02-231-25/+0
| | | | policies that don't need them.
* Introduce accessor functions mac_label_get() and mac_label_set() to replacerwatson2007-02-061-40/+41
| | | | | | | | | | | | | | | | | | | LABEL_TO_SLOT() macro used by policy modules to query and set label data in struct label. Instead of using a union, store an intptr_t, simplifying the API. Update policies: in most cases this required only small tweaks to current wrapper macros. In two cases, a single wrapper macros had to be split into separate get and set macros. Move struct label definition from _label.h to mac_internal.h and remove _label.h. With this change, policies may now treat struct label * as opaque, allowing us to change the layout of struct label without breaking the policy module ABI. For example, we could make the maximum number of policies with labels modifiable at boot-time rather than just at compile-time. Obtained from: TrustedBSD Project
* Continue 7-CURRENT MAC Framework rearrangement and cleanup:rwatson2007-02-061-1/+0
| | | | | | | | | | | | | | Don't perform a nested include of _label.h in mac.h, as mac.h now describes only the user API to MAC, and _label.h defines the in-kernel representation of MAC labels. Remove mac.h includes from policies and MAC framework components that do not use userspace MAC API definitions. Add _KERNEL inclusion checks to mac_internal.h and mac_policy.h, as these are kernel-only include files Obtained from: TrustedBSD Project
* Move src/sys/sys/mac_policy.h, the kernel interface between the MACrwatson2006-12-221-1/+1
| | | | | | | | | | | Framework and security modules, to src/sys/security/mac/mac_policy.h, completing the removal of kernel-only MAC Framework include files from src/sys/sys. Update the MAC Framework and MAC policy modules. Delete the old mac_policy.h. Third party policy modules will need similar updating. Obtained from: TrustedBSD Project
* Merge posix4/* into normal kernel hierarchy.trhodes2006-11-111-2/+1
| | | | | Reviewed by: glanced at by jhb Approved by: silence on -arch@ and -standards@
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